[Perf] (MG_Backend/DirectVulkanTMP): Optimize buffer uploads with staging ring + batched copies.

.clang-tidy

@@ -14,6 +14,7 @@ bugprone-forwarding-reference-overload,
 bugprone-inaccurate-erase,
 bugprone-incorrect-roundings,
 bugprone-integer-division,
+bugprone-lambda-function-name,
 bugprone-macro-parentheses,
 bugprone-macro-repeated-side-effects,
 bugprone-misplaced-operator-in-strlen-in-alloc,
@@ -62,6 +63,7 @@ cert-str34-c,
 cppcoreguidelines-interfaces-global-init,
 cppcoreguidelines-narrowing-conversions,
 cppcoreguidelines-pro-type-member-init,
+cppcoreguidelines-pro-type-static-cast-downcast,
 cppcoreguidelines-slicing,
 google-default-arguments,
 google-runtime-operator,

.github/workflows/benchmark.yml

@@ -28,13 +28,6 @@ jobs:
       - name: Get CMake
         uses: lukka/get-cmake@latest
 
-      - name: Prepare Vulkan SDK
-        uses: humbletim/setup-vulkan-sdk@v1.2.1
-        with:
-          vulkan-query-version: 1.4.304.1
-          vulkan-components: Vulkan-Headers, Vulkan-Loader
-          vulkan-use-cache: true
-
       - name: Update glslang external sources
         working-directory: ${{env.BENCH_ROOT}}/3rdparty/glslang
         run: python update_glslang_sources.py

.github/workflows/test.yml

@@ -28,13 +28,6 @@ jobs:
       - name: Get CMake
         uses: lukka/get-cmake@latest
 
-      - name: Prepare Vulkan SDK
-        uses: humbletim/setup-vulkan-sdk@v1.2.1
-        with:
-          vulkan-query-version: 1.4.304.1
-          vulkan-components: Vulkan-Headers, Vulkan-Loader
-          vulkan-use-cache: true
-
       - name: Update glslang external sources
         working-directory: ${{env.TEST_ROOT}}/3rdparty/glslang
         run: python update_glslang_sources.py

.gitignore

@@ -14,8 +14,4 @@ MobileGLCodeManager
 .vscode
 .clangd
 MobileGL/MG_Test/build
-/build_*
-/cmake-build*
-.idea
-MobileGL/MG*/build*
-MobileGL/MG*/cmake-build*
+/build_*

.gitmodules

@@ -16,15 +16,3 @@
 [submodule "3rdparty/xxHash"]
 	path = 3rdparty/xxHash
 	url = https://github.com/Cyan4973/xxHash.git
-[submodule "3rdparty/VulkanMemoryAllocator"]
-	path = 3rdparty/VulkanMemoryAllocator
-	url = https://github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator.git
-[submodule "3rdparty/Vulkan-Utility-Libraries"]
-	path = 3rdparty/Vulkan-Utility-Libraries
-	url = https://github.com/KhronosGroup/Vulkan-Utility-Libraries.git
-[submodule "3rdparty/Vulkan-Headers"]
-	path = 3rdparty/Vulkan-Headers
-	url = https://github.com/KhronosGroup/Vulkan-Headers.git
-[submodule "3rdparty/SPIRV-Reflect"]
-	path = 3rdparty/SPIRV-Reflect
-	url = https://github.com/KhronosGroup/SPIRV-Reflect.git

CMakeLists.txt

@@ -104,20 +104,9 @@ set(SPIRV_CROSS_ENABLE_CPP     OFF CACHE BOOL "Disable C++ API target" FORCE)
 set(SPIRV_CROSS_CLI            OFF CACHE BOOL "Disable CLI binary" FORCE)
 set(SPIRV_CROSS_STATIC         ON  CACHE BOOL "Prefer static libs" FORCE)
 
-set(SPIRV_REFLECT_EXECUTABLE     OFF CACHE BOOL "Build spirv-reflect executable" FORCE)
-set(SPIRV_REFLECT_STATIC_LIB     ON  CACHE BOOL "Build a SPIRV-Reflect static library" FORCE)
-set(SPIRV_REFLECT_BUILD_TESTS    OFF CACHE BOOL "Build the SPIRV-Reflect test suite" FORCE)
-set(SPIRV_REFLECT_ENABLE_ASSERTS OFF CACHE BOOL  "Enable asserts for debugging" FORCE)
-set(SPIRV_REFLECT_ENABLE_ASAN    OFF CACHE BOOL "Use address sanitization" FORCE)
-set(SPIRV_REFLECT_INSTALL        OFF CACHE BOOL "Whether to install" FORCE)
-
 # add_subdirectory(3rdparty/DiligentCore)
 add_subdirectory(3rdparty/glslang)
 add_subdirectory(3rdparty/SPIRV-Cross)
-add_subdirectory(3rdparty/VulkanMemoryAllocator)
-add_subdirectory(3rdparty/Vulkan-Headers)
-add_subdirectory(3rdparty/Vulkan-Utility-Libraries)
-add_subdirectory(3rdparty/SPIRV-Reflect)
 
 set(XXHASH_BUILD_XXHSUM OFF)
 option(BUILD_SHARED_LIBS OFF)
@@ -138,7 +127,6 @@ endif ()
 set(SOURCE_FILES
     MobileGL/Init.cpp
     MobileGL/GlobalObjects.cpp
-    MobileGL/ConfigLoader.cpp
 
     MobileGL/MG_Util/Debug/Log.cpp
 
@@ -170,8 +158,6 @@ set(SOURCE_FILES
     MobileGL/MG_Util/Converters/GLToMG/RenderStateEnumConverter.cpp
     MobileGL/MG_Util/Converters/GLToMG/ProgramEnumConverter.cpp
     MobileGL/MG_Util/Converters/MGToMG/TextureEnumConverter.cpp
-    MobileGL/MG_Util/Converters/MGToVk/RenderStateEnumConverter.cpp
-    MobileGL/MG_Util/Converters/MGToVk/TextureEnumConverter.cpp
 
     MobileGL/MG_Util/Classifiers/TextureEnumClassifier.cpp
 
@@ -223,27 +209,16 @@ set(SOURCE_FILES
     MobileGL/MG_Backend/DirectGLES/Utils.cpp
     MobileGL/MG_Backend/DirectGLES/Managers.cpp
 
-    MobileGL/MG_Backend/DirectVulkan/DirectVulkan.cpp
-    MobileGL/MG_Backend/DirectVulkan/BackendObject_DirectVulkan.cpp
-    MobileGL/MG_Backend/DirectVulkan/VmaImpl.cpp
-    MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
-    MobileGL/MG_Backend/DirectVulkan/Renderer/SwapchainObject.cpp
-    MobileGL/MG_Backend/DirectVulkan/Renderer/FrameContext.cpp
-    MobileGL/MG_Backend/DirectVulkan/Renderer/PipelineFactory.cpp
-    MobileGL/MG_Backend/DirectVulkan/Renderer/ProgramFactory.cpp
-        MobileGL/MG_Backend/DirectVulkan/Renderer/UniformManager.cpp
-    MobileGL/MG_Backend/DirectVulkan/Renderer/BufferArena.cpp
-    MobileGL/MG_Backend/DirectVulkan/Renderer/VkBufferManager.cpp
-    MobileGL/MG_Backend/DirectVulkan/Renderer/VertexInputStateBuilder.cpp
-    MobileGL/MG_Backend/DirectVulkan/Renderer/VertexInputStateFactory.cpp
-    MobileGL/MG_Backend/DirectVulkan/Renderer/VkBufferObject.cpp
-    MobileGL/MG_Backend/DirectVulkan/Renderer/VkTextureManager.cpp
-    MobileGL/MG_Backend/DirectVulkan/Renderer/VkSamplerManager.cpp
-    MobileGL/MG_Backend/DirectVulkan/Renderer/VkClearManager.cpp
-    MobileGL/MG_Backend/DirectVulkan/Renderer/VkRenderPassManager.cpp
+    MobileGL/MG_Backend/DirectVulkanTMP/DirectVulkanTMP.cpp
+    MobileGL/MG_Backend/DirectVulkanTMP/TmpImpl.cpp
+    MobileGL/MG_Backend/DirectVulkanTMP/BackendObject_DirectVulkanTMP.cpp
+    MobileGL/MG_Backend/DirectVulkanTMP/Renderer/VulkanContext.cpp
+    MobileGL/MG_Backend/DirectVulkanTMP/Renderer/SwapchainManager.cpp
+    MobileGL/MG_Backend/DirectVulkanTMP/Renderer/PipelineManager.cpp
+    MobileGL/MG_Backend/DirectVulkanTMP/Renderer/FrameContext.cpp
+    MobileGL/MG_Backend/DirectVulkanTMP/Managers/ProgramManager.cpp
 
     MobileGL/MG_State/GLState/Core.cpp
-    MobileGL/MG_State/EGLState/Core.cpp
     MobileGL/MG_State/GLState/ErrorState/Error.cpp
     MobileGL/MG_State/GLState/BufferState/BufferState.cpp
     MobileGL/MG_State/GLState/BufferState/BufferObject.cpp
@@ -276,19 +251,8 @@ set(MOBILEGL_LINK_LIBRARIES
         SPIRV-Tools-opt
         SPIRV-Tools
         xxHash::xxhash
-        GPUOpen::VulkanMemoryAllocator
-        Vulkan::UtilityHeaders
-        spirv-reflect-static
 )
 
-set(MOBILEGL_COMPILE_DEF
-        -DVMA_STATIC_VULKAN_FUNCTIONS=0
-        -DVMA_DYNAMIC_VULKAN_FUNCTIONS=1
-        -DVMA_VULKAN_VERSION=1001000
-)
-
-message(STATUS "MOBILEGL_COMPILE_DEF=${MOBILEGL_COMPILE_DEF}")
-
 set(MOBILEGL_INCLUDE_DIR
         ${CMAKE_SOURCE_DIR}/include
         ${CMAKE_SOURCE_DIR}/MobileGL
@@ -321,15 +285,10 @@ target_include_directories(${CMAKE_PROJECT_NAME} PUBLIC
 )
 
 target_link_libraries(${CMAKE_PROJECT_NAME}
-    PUBLIC
+    PRIVATE
     ${MOBILEGL_LINK_LIBRARIES}
 )
 
-target_compile_definitions(${CMAKE_PROJECT_NAME}
-        PUBLIC
-        ${MOBILEGL_COMPILE_DEF}
-)
-
 if(NOT ANDROID)
     add_library(${CMAKE_PROJECT_NAME}_s STATIC 
         ${SOURCE_FILES}
@@ -354,14 +313,9 @@ if(NOT ANDROID)
     )
 
     target_link_libraries(${CMAKE_PROJECT_NAME}_s
-        PUBLIC
+        PRIVATE
         ${MOBILEGL_LINK_LIBRARIES}
     )
-
-    target_compile_definitions(${CMAKE_PROJECT_NAME}_s
-            PUBLIC
-            ${MOBILEGL_COMPILE_DEF}
-    )
 endif()
 
 if (TRACY_ENABLE)

MobileGL/Config.h

@@ -14,9 +14,8 @@ namespace MobileGL::MG_Config {
     inline const String ProjectName = "MobileGL";
     inline const String CoreName = "MobileGL Core";
     inline const String CoreVendor = "MobileGL-Dev (BZLZHH, Swung0x48, Tungsten)";
-    inline const Version CoreVersion = {26, 3, 0, "-dev", VersionType::Development};
+    inline const Version CoreVersion = {26, 2, 0, "-dev", VersionType::Development};
     inline const VersionStringFormatAttrib DefaultVersionStringFormatAttrib = {2, 2, 0, true, true};
-    inline const Uint64 CacheVersion = 0;
 
     extern BackendType ActiveBackendType;
 } // namespace MobileGL::MG_Config

MobileGL/ConfigLoader.cpp

@@ -1,84 +0,0 @@
-// MobileGL - MobileGL/ConfigLoader.cpp
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#include "Config.h"
-
-namespace MobileGL::MG_ConfigLoader {
-    static UniquePtr<UnorderedMap<String, String>> acceptedEnvVariablesMap;
-
-    static Bool IsAcceptedPrefix(const String& key) {
-        return (key.compare(0, 6, "LIBGL_") == 0 || key.compare(0, 9, "MOBILEGL_") == 0);
-    }
-
-    inline void InitializeAcceptedEnvVariables() {
-        if (!acceptedEnvVariablesMap) {
-            acceptedEnvVariablesMap = MakeUnique<UnorderedMap<String, String>>();
-        } else {
-            acceptedEnvVariablesMap->clear();
-        }
-
-        char** envPtr = nullptr;
-
-#ifdef _WIN32
-        envPtr = _environ;
-#else // POSIX
-        envPtr = ::environ;
-#endif
-
-        if (envPtr == nullptr) return;
-
-        for (char** env = envPtr; *env != nullptr; ++env) {
-            String entry(*env);
-            SizeT pos = entry.find('=');
-            if (pos != String::npos) {
-                String key = entry.substr(0, pos);
-                String value = entry.substr(pos + 1);
-
-                if (IsAcceptedPrefix(key)) {
-                    (*acceptedEnvVariablesMap)[key] = value;
-                    MGLOG_D("Config: Accepted env variable: %s=%s", key.c_str(), value.c_str());
-                }
-            }
-        }
-    }
-
-    inline void QueryEnvVariable(const String& key, String& outValue, const String& defaultValue) {
-        auto it = acceptedEnvVariablesMap->find(key);
-        if (it != acceptedEnvVariablesMap->end()) {
-            outValue = it->second;
-        } else {
-            outValue = defaultValue;
-        }
-    }
-
-    inline void InitBackendType() {
-        String backendTypeStr;
-        QueryEnvVariable("MOBILEGL_BACKEND_TYPE", backendTypeStr, "DirectGLES");
-#define ENTRY(backendType)                                                                                             \
-    if (backendTypeStr == #backendType) {                                                                              \
-        MG_Config::ActiveBackendType = BackendType::backendType;                                                       \
-        MGLOG_I("Config: Active backend type set to " #backendType);                                                   \
-        return;                                                                                                        \
-    }
-        ENTRY(DirectGLES)
-        ENTRY(DirectVulkan)
-        ENTRY(Unknown)
-        MG_Config::ActiveBackendType = BackendType::Unknown;
-#undef ENTRY
-    }
-
-    void Init() {
-        MGLOG_D("Loading configuration from environment variables...");
-        InitializeAcceptedEnvVariables();
-
-        InitBackendType();
-
-        // Destroy the map since we won't need it anymore
-        acceptedEnvVariablesMap.reset();
-    }
-} // namespace MobileGL::MG_ConfigLoader

MobileGL/Defines.h

@@ -34,7 +34,7 @@
 #define MOBILEGL_EGL_API MOBILEGL_API
 
 // ====================== MobileGL configurations ======================= //
-#define MOBILEGL_LOG_ACTIVE_LEVEL MOBILEGL_LOG_LEVEL_DEBUG
+#define MOBILEGL_LOG_ACTIVE_LEVEL MOBILEGL_LOG_LEVEL_INFO
 
 #define MOBILEGL_LOG_ENABLE_CONSOLE 0
 #define MOBILEGL_LOG_ENABLE_FILE 1

MobileGL/GlobalObjects.cpp

@@ -10,7 +10,7 @@
 
 namespace MobileGL {
     namespace MG_Config {
-        BackendType ActiveBackendType;
+        BackendType ActiveBackendType = BackendType::DirectVulkanTMP;
     } // namespace MG_Config
 
     namespace MG_Backend {

MobileGL/Includes.h

@@ -38,6 +38,7 @@
 #include <expected>
 #include <iostream>
 #include <optional>
+#include <xxhash.h>
 #include <algorithm>
 #include <stdexcept>
 #include <functional>
@@ -50,9 +51,6 @@
 // Include FastSTL
 #include <FastSTL/UnorderedMap.h>
 
-// Include xxHash
-#include <xxhash.h>
-
 // Include spirv_cross
 #include <spirv_cross/spirv_cross_c.h>
 
@@ -62,9 +60,7 @@
 #endif
 #include <EGL/egl.h>
 #define GL_GLEXT_PROTOTYPES
-#ifndef NO_GL_H
 #include "GL/gl.h"
-#endif
 #include <GL/glcorearb.h>
 #undef GL_GLEXT_PROTOTYPES
 
@@ -96,21 +92,12 @@
 #endif
 
 #ifdef __ANDROID__
+#define VK_USE_PLATFORM_ANDROID_KHR
 #include <unistd.h>
 #include <pthread.h>
 #include <android/log.h>
 #include <android/native_window.h>
 #endif
-
-#ifdef __ANDROID__
-#define VK_USE_PLATFORM_ANDROID_KHR
-#elif _WIN32
-#define VK_USE_PLATFORM_WIN32_KHR
-#elif defined(__APPLE__)
-#define VK_USE_PLATFORM_METAL_EXT
-#else
-#warning "VK_USE_PLATFORM_*_KHR not defined for this platform!"
-#endif
 #include <vulkan/vulkan.h>
 
 #ifdef TRACY_ENABLE

MobileGL/Init.cpp

@@ -8,36 +8,33 @@
 
 #include "Init.h"
 #include "Config.h"
+#include <MG_Impl/Init.h>
 #include <MG_Backend/BackendObjects.h>
 #include <MG_State/GLState/Core.h>
-#include <MG_State/EGLState/Core.h>
 #include <MG_Impl/GLImpl/Texture/ProxyTexture.h>
 #include <MG_Impl/GLImpl/Framebuffer/GL_Framebuffer.h>
 
 namespace MobileGL {
-    void Initialize() {
+    void MG_Initialize() {
         MG_Util::Debug::InitFile();
         MGLOG_I("Initializing MobileGL...");
-        MG_ConfigLoader::Init();
-        MGLOG_I("Config loaded");
         MG_State::Init();
-        MGLOG_D("MG_State initialized");
+        MGLOG_D("MobileGL State initialized");
         MG_Backend::Init();
-        MGLOG_D("MG_Backend initialized");
+        MGLOG_D("MobileGL Backend initialized");
         MG_Impl::Init();
-        MGLOG_D("MG_Impl initialized");
+        MGLOG_D("MobileGL Implementation initialized");
         glslang::InitializeProcess();
         MGLOG_D("glslang initialized");
         MGLOG_I("MobileGL initialized");
     }
 
-    void Destroy() {
+    void MG_Destroy() {
         MGLOG_I("MobileGL closing...");
         glslang::FinalizeProcess();
-        MG_State::pGLContext.reset();
-        MG_State::pEGLContext.reset();
-        MG_Impl::GLImpl::TextureImpl::pProxyTextureManager.reset();
-        MG_Impl::GLImpl::FramebufferImpl::pDefaultFramebufferInfo.reset();
+        delete MG_State::pGLContext;
+        delete MG_Impl::GLImpl::TextureImpl::pProxyTextureManager;
+        delete MG_Impl::GLImpl::FramebufferImpl::pDefaultFramebufferInfo;
         MG_Util::Debug::Close();
 
         // TODO: add and use Destroy functions for other subsystems
@@ -45,11 +42,11 @@ namespace MobileGL {
 
 #if defined(__linux__) || defined(__APPLE__)
     __attribute__((constructor)) static void AutoInit() {
-        Initialize();
+        MG_Initialize();
     }
 
     __attribute__((destructor)) static void AutoDestroy() {
-        Destroy();
+        MG_Destroy();
     }
 #endif
 
@@ -57,11 +54,11 @@ namespace MobileGL {
     BOOL WINAPI DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) {
         switch (ul_reason_for_call) {
         case DLL_PROCESS_ATTACH:
-            Initialize();
+            MG_Initialize();
             break;
 
         case DLL_PROCESS_DETACH:
-            Destroy();
+            MG_Destroy();
             break;
         }
         return TRUE;

MobileGL/Init.h

@@ -10,22 +10,6 @@
 #include "Includes.h"
 
 namespace MobileGL {
-    void Initialize();
-    void Destroy();
-
-    namespace MG_Util::Debug {
-        void InitFile();
-    } // namespace MG_Util::Debug
-
-    namespace MG_ConfigLoader {
-        void Init();
-    } // namespace MG_ConfigLoader
-
-    namespace MG_Backend {
-        void Init();
-    } // namespace MG_Backend
-
-    namespace MG_Impl {
-        void Init();
-    } // namespace MG_Impl
-} // namespace MobileGL
+    void MG_Initialize();
+    void MG_Destroy();
+} // namespace MobileGL

MobileGL/MG_Backend/BackendObject.cpp

@@ -9,133 +9,7 @@
 #include "BackendObject.h"
 
 namespace MobileGL::MG_Backend {
-    namespace {
-        Bool IsReleaseCurrentRequest(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx) {
-            return dpy == EGL_NO_DISPLAY && draw == EGL_NO_SURFACE && read == EGL_NO_SURFACE && ctx == EGL_NO_CONTEXT;
-        }
-
-        std::thread::id CurrentThreadKey() {
-            return std::this_thread::get_id();
-        }
-    } // namespace
-
-    Bool BackendObject::InitializeEGLDisplay(EGLDisplay dpy, EGLint* major, EGLint* minor) {
-        const std::lock_guard<std::recursive_mutex> lock(m_eglStateMutex);
-        if (dpy == EGL_NO_DISPLAY) {
-            MGLOG_E("InitializeEGLDisplay failed: invalid EGLDisplay");
-            return false;
-        }
-
-        if (m_eglDisplayInitialized && m_eglDisplay != dpy) {
-            MGLOG_E("InitializeEGLDisplay failed: backend already bound to a different EGLDisplay");
-            return false;
-        }
-
-        m_eglDisplay = dpy;
-        m_eglDisplayInitialized = true;
-        if (major) {
-            *major = 1;
-        }
-        if (minor) {
-            *minor = 5;
-        }
-        return true;
-    }
-
-    Bool BackendObject::CreateEGLWindowSurface(const WindowHandle& handle) {
-        const std::lock_guard<std::recursive_mutex> lock(m_eglStateMutex);
-        if (!m_eglDisplayInitialized) {
-            MGLOG_E("CreateEGLWindowSurface failed: EGL display is not initialized");
-            return false;
-        }
-        if (handle.Backend == WindowBackend::Unknown || !handle.Handle) {
-            MGLOG_E("CreateEGLWindowSurface failed: invalid native window handle");
-            return false;
-        }
-
-        if (m_eglWindowSurfaceInitialized && m_windowHandle.Backend == handle.Backend && m_windowHandle.Handle == handle.Handle) {
-            return true;
-        }
-
-        SetWindowHandle(handle);
-        if (!InitWindowSurface()) {
-            MGLOG_E("CreateEGLWindowSurface failed: backend InitWindowSurface failed");
-            return false;
-        }
-
-        m_eglWindowSurfaceInitialized = true;
-        m_eglCurrentThreads.clear();
-        m_backendCapabilitiesInitialized = false;
-        return true;
-    }
-
-    Bool BackendObject::MakeEGLCurrent(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx) {
-        const std::lock_guard<std::recursive_mutex> lock(m_eglStateMutex);
-        const auto threadKey = CurrentThreadKey();
-        if (IsReleaseCurrentRequest(dpy, draw, read, ctx)) {
-            m_eglCurrentThreads.erase(threadKey);
-            return true;
-        }
-
-        if (!m_eglDisplayInitialized || m_eglDisplay != dpy) {
-            MGLOG_E("MakeEGLCurrent failed: EGL display mismatch or not initialized");
-            return false;
-        }
-        if (!m_eglWindowSurfaceInitialized) {
-            MGLOG_E("MakeEGLCurrent failed: EGL window surface is not initialized");
-            return false;
-        }
-        if (draw == EGL_NO_SURFACE || read == EGL_NO_SURFACE || ctx == EGL_NO_CONTEXT) {
-            MGLOG_E("MakeEGLCurrent failed: draw/read/context is invalid");
-            return false;
-        }
-
-        if (!m_backendCapabilitiesInitialized) {
-            if (!InitCapabilities()) {
-                MGLOG_E("MakeEGLCurrent failed: InitCapabilities failed");
-                return false;
-            }
-            m_backendCapabilitiesInitialized = true;
-        }
-
-        m_eglCurrentThreads[threadKey] = true;
-        return true;
-    }
-
-    void BackendObject::ResetEGLRuntimeState() {
-        const std::lock_guard<std::recursive_mutex> lock(m_eglStateMutex);
-        m_eglWindowSurfaceInitialized = false;
-        m_backendCapabilitiesInitialized = false;
-        m_eglCurrentThreads.clear();
-    }
-
-    Bool BackendObject::SwapEGLBuffers(EGLDisplay dpy, EGLSurface draw) {
-        const std::lock_guard<std::recursive_mutex> lock(m_eglStateMutex);
-        if (!m_eglDisplayInitialized || m_eglDisplay != dpy) {
-            MGLOG_E("SwapEGLBuffers failed: EGL display mismatch or not initialized");
-            return false;
-        }
-        if (m_eglCurrentThreads.find(CurrentThreadKey()) == m_eglCurrentThreads.end()) {
-            MGLOG_E("SwapEGLBuffers failed: no current context attached");
-            return false;
-        }
-        if (!m_eglWindowSurfaceInitialized || draw == EGL_NO_SURFACE) {
-            MGLOG_E("SwapEGLBuffers failed: invalid draw surface");
-            return false;
-        }
-
-        const auto& backendFunctions = GetBackendFunctions();
-        if (!backendFunctions.Present) {
-            MGLOG_E("SwapEGLBuffers failed: backend Present function is null");
-            return false;
-        }
-
-        backendFunctions.Present();
-        return true;
-    }
-
     void BackendObject::SetWindowHandle(const WindowHandle& handle) {
-        const std::lock_guard<std::recursive_mutex> lock(m_eglStateMutex);
         m_windowHandle = handle;
     }
 } // namespace MobileGL::MG_Backend

MobileGL/MG_Backend/BackendObject.h

@@ -12,7 +12,7 @@
 namespace MobileGL {
     enum class BackendType {
         DirectGLES,
-        DirectVulkan,
+        DirectVulkanTMP,
         BackendTypeCount,
         Unknown = -1
     };
@@ -91,13 +91,8 @@ namespace MobileGL {
             virtual ~BackendObject() = default;
 
             virtual void Initialize() = 0;
-            virtual Bool InitCapabilities() = 0;
-            virtual Bool InitWindowSurface() = 0;
-
-            virtual Bool InitializeEGLDisplay(EGLDisplay dpy, EGLint* major, EGLint* minor);
-            virtual Bool CreateEGLWindowSurface(const WindowHandle& handle);
-            virtual Bool MakeEGLCurrent(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx);
-            virtual Bool SwapEGLBuffers(EGLDisplay dpy, EGLSurface draw);
+            virtual void InitCapabilities() = 0;
+            virtual void InitWindowSurface() = 0;
 
             void SetWindowHandle(const WindowHandle& handle);
 
@@ -108,15 +103,7 @@ namespace MobileGL {
             virtual BackendType GetBackendType() const = 0;
 
         protected:
-            void ResetEGLRuntimeState();
-
-            mutable std::recursive_mutex m_eglStateMutex;
             WindowHandle m_windowHandle;
-            EGLDisplay m_eglDisplay = EGL_NO_DISPLAY;
-            Bool m_eglDisplayInitialized = false;
-            Bool m_eglWindowSurfaceInitialized = false;
-            Bool m_backendCapabilitiesInitialized = false;
-            UnorderedMap<std::thread::id, Bool> m_eglCurrentThreads;
         };
     } // namespace MG_Backend
 } // namespace MobileGL

MobileGL/MG_Backend/BackendObjects.h

@@ -10,9 +10,11 @@
 #include <Includes.h>
 #include "BackendObject.h"
 #include "DirectGLES/BackendObject_DirectGLES.h"
-#include "DirectVulkan/BackendObject_DirectVulkan.h"
+#include "DirectVulkanTMP/BackendObject_DirectVulkanTMP.h"
 
 namespace MobileGL::MG_Backend {
     extern UniquePtr<BackendObject> pActiveBackendObject;
     extern GlobalBackendFunctionsTable gBackendFunctionsTable;
+
+    void Init();
 } // namespace MobileGL::MG_Backend

MobileGL/MG_Backend/DirectGLES/BackendObject_DirectGLES.cpp

@@ -13,24 +13,16 @@
 #include <format>
 
 namespace MobileGL::MG_Backend::DirectGLES {
-    namespace {
-        Bool IsReleaseCurrentRequest(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx) {
-            return dpy == EGL_NO_DISPLAY && draw == EGL_NO_SURFACE && read == EGL_NO_SURFACE && ctx == EGL_NO_CONTEXT;
-        }
-    } // namespace
-
     BackendObject_DirectGLES::~BackendObject_DirectGLES() {
         DestroyEGLContext();
     }
 
-    Bool BackendObject_DirectGLES::InitWindowSurface() {
+    void BackendObject_DirectGLES::InitWindowSurface() {
         // Only use EGL for now
         auto nativeWindow = reinterpret_cast<NativeWindowType>(m_windowHandle.Handle);
         if (!DirectGLES::InitWindowSurface(nativeWindow)) {
             MGLOG_E("Failed to initialize window surface for DirectGLES backend");
-            return false;
         }
-        return true;
     }
 
     void BackendObject_DirectGLES::Initialize() {
@@ -48,65 +40,18 @@ namespace MobileGL::MG_Backend::DirectGLES {
         DirectGLES::SetGLESFuncsTable(m_GLESFunctions);
     }
 
-    Bool BackendObject_DirectGLES::InitCapabilities() {
+    void BackendObject_DirectGLES::InitCapabilities() {
         if (!m_initialized) {
             MGLOG_E("DirectGLES backend not initialized");
-            return false;
+            return;
         }
 
         if (!MG_Util::BackendLoader::FillInGLESCapabilities(m_GLESCapabilities, m_GLESFunctions)) {
             MGLOG_E("Failed to fill in GLES capabilities for DirectGLES backend");
-            return false;
+            return;
         }
         DirectGLES::SetGLESCapabilities(m_GLESCapabilities);
         UpdateDynamicBackendParameters();
-        return true;
-    }
-
-    Bool BackendObject_DirectGLES::InitializeEGLDisplay(EGLDisplay dpy, EGLint* major, EGLint* minor) {
-        if (!m_initialized) {
-            MGLOG_E("DirectGLES backend not initialized");
-            return false;
-        }
-        return BackendObject::InitializeEGLDisplay(dpy, major, minor);
-    }
-
-    Bool BackendObject_DirectGLES::CreateEGLWindowSurface(const WindowHandle& handle) {
-        const std::lock_guard<std::recursive_mutex> lock(m_eglStateMutex);
-        if (!m_initialized) {
-            MGLOG_E("DirectGLES backend not initialized");
-            return false;
-        }
-
-        if (handle.Backend != WindowBackend::Android || !handle.Handle) {
-            MGLOG_E("DirectGLES backend only supports Android native windows");
-            return false;
-        }
-
-        const Bool sameHandle =
-            m_eglWindowSurfaceInitialized && m_windowHandle.Backend == handle.Backend && m_windowHandle.Handle == handle.Handle;
-        if (sameHandle) {
-            return true;
-        }
-
-        if (m_eglWindowSurfaceInitialized) {
-            DestroyEGLContext();
-            ResetEGLRuntimeState();
-        }
-
-        return BackendObject::CreateEGLWindowSurface(handle);
-    }
-
-    Bool BackendObject_DirectGLES::MakeEGLCurrent(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx) {
-        if (IsReleaseCurrentRequest(dpy, draw, read, ctx)) {
-            return BackendObject::MakeEGLCurrent(dpy, draw, read, ctx);
-        }
-
-        return BackendObject::MakeEGLCurrent(dpy, draw, read, ctx);
-    }
-
-    Bool BackendObject_DirectGLES::SwapEGLBuffers(EGLDisplay dpy, EGLSurface draw) {
-        return BackendObject::SwapEGLBuffers(dpy, draw);
     }
 
     const RendererInfo& BackendObject_DirectGLES::GetRendererInfo() const {

MobileGL/MG_Backend/DirectGLES/BackendObject_DirectGLES.h

@@ -17,12 +17,8 @@ namespace MobileGL::MG_Backend::DirectGLES {
         ~BackendObject_DirectGLES() override;
 
         void Initialize() override;
-        Bool InitCapabilities() override;
-        Bool InitWindowSurface() override;
-        Bool InitializeEGLDisplay(EGLDisplay dpy, EGLint* major, EGLint* minor) override;
-        Bool CreateEGLWindowSurface(const WindowHandle& handle) override;
-        Bool MakeEGLCurrent(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx) override;
-        Bool SwapEGLBuffers(EGLDisplay dpy, EGLSurface draw) override;
+        void InitCapabilities() override;
+        void InitWindowSurface() override;
 
         const RendererInfo& GetRendererInfo() const override;
         String GetBackendAPIVersionString() const override;

MobileGL/MG_Backend/DirectGLES/DirectGLES.cpp

@@ -8,7 +8,6 @@
 
 #include "DirectGLES.h"
 #include "EGL/egl.h"
-#include "MG_Util/Types.h"
 #include "Utils.h"
 #include "Managers.h"
 #include <MG_Util/Converters/GLToMG/TextureEnumConverter.h>
@@ -46,7 +45,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
 
     namespace DebugImpl {
 #if MOBILEGL_LOG_ACTIVE_LEVEL <= MOBILEGL_LOG_LEVEL_DEBUG
-        void ErrorLopper::Loop(const std::function<void(GLenum)>& func) {
+        void ErrorLopper::Loop(std::function<void(GLenum)> func) {
             GLenum err = g_GLESFuncs.glGetError();
             while (err != GL_NO_ERROR) {
                 func(err);
@@ -69,14 +68,14 @@ namespace MobileGL::MG_Backend::DirectGLES {
             Clear();
         }
 #else
-        void ErrorLopper::Loop(const std::function<void(GLenum)>& func) {}
+        void ErrorLopper::Loop(std::function<void(GLenum)> func) {}
         void ErrorLopper::Clear() {}
-        ErrorLopper::ErrorLopper() = default;
-        ErrorLopper::~ErrorLopper() = default;
+        ErrorLopper::ErrorLopper() {}
+        ErrorLopper::~ErrorLopper() {}
 #endif
 
 #if MOBILEGL_LOG_ACTIVE_LEVEL <= MOBILEGL_LOG_LEVEL_DEBUG
-        OpenGLScopeMarker::OpenGLScopeMarker(const String& scopeName) {
+        OpenGLScopeMarker::OpenGLScopeMarker(String scopeName) {
             g_GLESFuncs.glPushDebugGroup(GL_DEBUG_SOURCE_APPLICATION, 0, -1, scopeName.c_str());
         }
 
@@ -84,7 +83,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             g_GLESFuncs.glPopDebugGroup();
         }
 #else
-        OpenGLScopeMarker::OpenGLScopeMarker(const String& scopeName) {}
+        OpenGLScopeMarker::OpenGLScopeMarker(String scopeName) {}
 
         OpenGLScopeMarker::~OpenGLScopeMarker() {}
 #endif
@@ -93,28 +92,31 @@ namespace MobileGL::MG_Backend::DirectGLES {
     // TODO: deletion for deleted objects
 
     namespace BufferImpl {
-        void CreateAndSyncBufferObject(const SharedPtr<MG_State::GLState::BufferObject>& bufferObject) {
+        void CreateAndSyncBufferObject(SharedPtr<MG_State::GLState::BufferObject>& bufferObject) {
             if (!(bufferObject->GetChangeBits() & BufferChangeBits::DirtyBit)) return;
 
-            const auto& backendBufferIt = g_backendBufferObjects.find(bufferObject.get());
-            Bool exist = (backendBufferIt != g_backendBufferObjects.end());
-            auto& backendObj = exist ? backendBufferIt->second : g_backendBufferObjects.GetOrCreate(bufferObject);
-            if (!exist) {
-                backendObj = MakeShared<BackendBufferObject>();
+            const auto& backendBufferIt = g_backendBufferObjects.find(bufferObject);
+            SharedPtr<BackendBufferObject> backendBufferObject;
+            if (backendBufferIt == g_backendBufferObjects.end()) {
+                backendBufferObject = MakeShared<BackendBufferObject>();
+                g_backendBufferObjects[bufferObject] = backendBufferObject;
+            } else {
+                backendBufferObject = backendBufferIt->second;
             }
-            backendObj->SyncToBackend(bufferObject);
+            backendBufferObject->SyncToBackend(bufferObject);
         }
 
         void SyncNeccessaryBuffers(Bool includeIBO = false, Bool includeIndirectBuffer = false) {
 #ifdef TRACY_ENABLE
             ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
 #endif
-            g_backendBufferObjects.CollectGarbageIfNeeded();
-
             // All buffers we need are:
             //   1.VBO 2.IBO (if needed) 3.UBO 4.IndirectBuffer (if needed) 5.SSBO (TODO)
             // PBO is not needed since it should be handled in frontend
 
+            // static Vector<SharedPtr<MG_State::GLState::BufferObject>> buffersToSync;
+            // buffersToSync.clear();
+
             const auto& currentVAOObject = MG_State::pGLContext->GetBoundVertexArray();
             if (!currentVAOObject) {
                 MGLOG_E("No VAO is currently bound, cannot sync necessary buffers.");
@@ -124,7 +126,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             // VBO
             for (const auto& attrib : currentVAOObject->GetAllAttributes()) {
                 if (!attrib.Enabled) continue;
-                auto& bufferObject = attrib.Buffer;
+                auto bufferObject = attrib.Buffer;
                 if (bufferObject) {
                     CreateAndSyncBufferObject(bufferObject);
                 }
@@ -132,7 +134,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
 
             // IBO
             if (includeIBO) {
-                auto& possibleIBO = currentVAOObject->GetIndexBufferBindingSlot().GetBoundObject();
+                auto possibleIBO = currentVAOObject->GetIndexBufferBindingSlot().GetBoundObject();
                 if (possibleIBO) {
                     CreateAndSyncBufferObject(possibleIBO);
                 }
@@ -140,7 +142,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
 
             // Indirect Buffer Object
             if (includeIndirectBuffer) {
-                auto& possibleIndirectBuffer =
+                auto possibleIndirectBuffer =
                     MG_State::pGLContext->GetBufferBindingSlot(BufferTarget::DrawIndirect).GetBoundObject();
                 if (possibleIndirectBuffer) {
                     CreateAndSyncBufferObject(possibleIndirectBuffer);
@@ -151,7 +153,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             auto uboBindingPointCnt = MG_State::pGLContext->GetBufferBindingPointCount(BufferTarget::Uniform);
             for (SizeT i = 0; i < uboBindingPointCnt; ++i) {
                 auto& point = MG_State::pGLContext->GetBufferBindingPoint(BufferTarget::Uniform, i);
-                auto& obj = point.GetBoundObject();
+                auto obj = point.GetBoundObject();
                 if (obj) {
                     CreateAndSyncBufferObject(obj);
                 }
@@ -164,49 +166,48 @@ namespace MobileGL::MG_Backend::DirectGLES {
 #ifdef TRACY_ENABLE
             ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
 #endif
-            g_backendVertexArrayObjects.CollectGarbageIfNeeded();
-
-            auto& currentVAOObject = MG_State::pGLContext->GetBoundVertexArray();
+            auto currentVAOObject = MG_State::pGLContext->GetBoundVertexArray();
             if (!currentVAOObject) {
                 MGLOG_E("No VAO is currently bound, cannot sync current VAO.");
                 return;
             }
 
-            const auto& backendVAOIt = g_backendVertexArrayObjects.find(currentVAOObject.get());
-            Bool exist = (backendVAOIt != g_backendVertexArrayObjects.end());
-            auto& backendObj = exist ? backendVAOIt->second : g_backendVertexArrayObjects.GetOrCreate(currentVAOObject);
-            if (!exist) {
-                backendObj = MakeShared<VertexArrayImpl::BackendVertexArrayObject>();
+            const auto& backendVAOIt = g_backendVertexArrayObjects.find(currentVAOObject);
+            SharedPtr<VertexArrayImpl::BackendVertexArrayObject> backendVAOObject;
+            if (backendVAOIt == g_backendVertexArrayObjects.end()) {
+                backendVAOObject = MakeShared<VertexArrayImpl::BackendVertexArrayObject>();
+                g_backendVertexArrayObjects[currentVAOObject] = backendVAOObject;
+            } else {
+                backendVAOObject = backendVAOIt->second;
             }
-            backendObj->SyncToBackend(currentVAOObject);
+            backendVAOObject->SyncToBackend(currentVAOObject);
         }
     } // namespace VertexArrayImpl
 
     namespace TextureImpl {
-        SharedPtr<BackendTextureObject>& SyncTextureObjectToBackend(
-            const SharedPtr<MG_State::GLState::ITextureObject>& textureObject) {
+        SharedPtr<BackendTextureObject> SyncTextureObjectToBackend(
+            SharedPtr<MG_State::GLState::ITextureObject>& textureObject) {
 #ifdef TRACY_ENABLE
             ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
 #endif
-            const auto& backendTextureIt = g_backendTextureObjects.find(textureObject.get());
-            Bool exist = (backendTextureIt != g_backendTextureObjects.end());
-            auto& backendObj = exist ? backendTextureIt->second : g_backendTextureObjects.GetOrCreate(textureObject);
-            if (!exist) {
-                backendObj = MakeShared<BackendTextureObject>();
+            const auto& backendTextureIt = g_backendTextureObjects.find(textureObject);
+            SharedPtr<BackendTextureObject> backendTextureObject;
+            if (backendTextureIt == g_backendTextureObjects.end()) {
+                backendTextureObject = MakeShared<BackendTextureObject>();
+                g_backendTextureObjects[textureObject] = backendTextureObject;
+            } else {
+                backendTextureObject = backendTextureIt->second;
             }
-            backendObj->SyncTextureParamsToBackend(textureObject);
-            backendObj->SyncBuiltinSamplerToBackend(textureObject);
-            backendObj->SyncMipmapsToBackend(textureObject);
-
-            return backendObj;
+            backendTextureObject->SyncTextureParamsToBackend(textureObject);
+            backendTextureObject->SyncBuiltinSamplerToBackend(textureObject);
+            backendTextureObject->SyncMipmapsToBackend(textureObject);
+            return backendTextureObject;
         }
 
         void SyncNeccessaryTextures() {
 #ifdef TRACY_ENABLE
             ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
 #endif
-            g_backendTextureObjects.CollectGarbageIfNeeded();
-
             // All textures we need are:
             //   1. textures bound to texture units (TODO: only sync ones that are used in current program)
             //   2. textures used in current FBO
@@ -215,7 +216,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             for (int index = 0; index < MG_State::GLState::TextureState::MAX_TEXTURE_IMAGE_UNITS; ++index) {
                 auto& unit = MG_State::pGLContext->GetTextureUnitObject(index);
                 for (const auto& bindingSlot : unit.GetAllBindingSlots()) {
-                    auto& textureObject = bindingSlot.GetBoundObject();
+                    auto textureObject = bindingSlot.GetBoundObject();
                     if (textureObject) {
                         SyncTextureObjectToBackend(textureObject);
                     }
@@ -227,7 +228,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             if (currentFBO) {
                 for (const auto& attachment : currentFBO->GetAllAttachmentObjects()) {
                     if (!attachment.IsTexture()) continue;
-                    auto& textureObject = attachment.GetTexture();
+                    auto textureObject = attachment.GetTexture();
                     if (textureObject) {
                         SyncTextureObjectToBackend(textureObject);
                     }
@@ -241,20 +242,16 @@ namespace MobileGL::MG_Backend::DirectGLES {
 #ifdef TRACY_ENABLE
             ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
 #endif
-            g_backendFramebufferObjects.CollectGarbageIfNeeded();
-            TextureImpl::g_backendTextureObjects.CollectGarbageIfNeeded();
-            RenderbufferImpl::g_backendRenderbufferObjects.CollectGarbageIfNeeded();
-
             const FramebufferTarget fboTargets[] = {FramebufferTarget::Draw, FramebufferTarget::Read};
 
             MG_State::GLState::FramebufferObject* lastUpdatedFBO = nullptr;
 
-            for (auto& target : fboTargets) {
-                auto& slot = MG_State::pGLContext->GetFramebufferBindingSlot(target);
+            for (auto target : fboTargets) {
+                auto slot = MG_State::pGLContext->GetFramebufferBindingSlot(target);
                 auto version = slot.GetVersion();
                 if (version == g_fboBindVersions[SizeT(target)]) continue;
 
-                auto& currentFBO = slot.GetBoundObject();
+                auto currentFBO = slot.GetBoundObject();
 
                 if (!currentFBO) {
                     MGLOG_E("No FBO is currently bound, cannot sync current FBO.");
@@ -266,18 +263,20 @@ namespace MobileGL::MG_Backend::DirectGLES {
                     continue;
                 }
 
-                if (currentFBO.get() == lastUpdatedFBO) {
-                    MGLOG_D("Draw FBO and read FBO are the same, skipping sync.");
-                    continue;
+                const auto& backendFBOIt = g_backendFramebufferObjects.find(currentFBO);
+                SharedPtr<BackendFramebufferObject> backendFBOObject;
+                if (backendFBOIt == g_backendFramebufferObjects.end()) {
+                    backendFBOObject = MakeShared<BackendFramebufferObject>();
+                    g_backendFramebufferObjects[currentFBO] = backendFBOObject;
+                } else {
+                    backendFBOObject = backendFBOIt->second;
                 }
 
-                const auto& backendFBOIt = g_backendFramebufferObjects.find(currentFBO.get());
-                Bool exist = (backendFBOIt != g_backendFramebufferObjects.end());
-                auto& backendObj = exist ? backendFBOIt->second : g_backendFramebufferObjects.GetOrCreate(currentFBO);
-                if (!exist) {
-                    backendObj = MakeShared<BackendFramebufferObject>();
+                if (currentFBO.get() == lastUpdatedFBO) {
+                    MGLOG_D("Draw FBO and read FBO are the same, skipping sync.");
+                } else {
+                    backendFBOObject->SyncToBackend(currentFBO, target);
                 }
-                backendObj->SyncToBackend(currentFBO, target);
 
                 lastUpdatedFBO = currentFBO.get();
             }
@@ -467,23 +466,21 @@ namespace MobileGL::MG_Backend::DirectGLES {
 #ifdef TRACY_ENABLE
             ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
 #endif
-            g_backendProgramObjects.CollectGarbageIfNeeded();
-            SamplerImpl::g_backendSamplerObjects.CollectGarbageIfNeeded();
-
-            auto& currentProgram = MG_State::pGLContext->GetCurrentProgram();
+            auto currentProgram = MG_State::pGLContext->GetCurrentProgram();
             if (!currentProgram || !currentProgram->GetLinkStatus()) {
                 g_GLESFuncs.glUseProgram(0);
                 return;
             }
-            const auto& backendProgramIt = g_backendProgramObjects.find(currentProgram.get());
-            Bool exist = (backendProgramIt != g_backendProgramObjects.end());
-            auto& backendObj = exist ? backendProgramIt->second : g_backendProgramObjects.GetOrCreate(currentProgram);
-            if (!exist) {
-                backendObj = MakeShared<BackendProgramObjectImpl>();
-                backendObj->SyncToBackend(currentProgram);
+            const auto& backendProgramIt = g_backendProgramObjects.find(currentProgram);
+            SharedPtr<BackendProgramObjectImpl> backendProgram;
+            if (backendProgramIt == g_backendProgramObjects.end()) {
+                backendProgram = MakeShared<BackendProgramObjectImpl>();
+                g_backendProgramObjects[currentProgram] = backendProgram;
+                backendProgram->SyncToBackend(currentProgram);
             } else {
-                if (!backendObj->GetBackendProgramId()) {
-                    backendObj->SyncToBackend(currentProgram);
+                backendProgram = backendProgramIt->second;
+                if (!backendProgram->GetBackendProgramId()) {
+                    backendProgram->SyncToBackend(currentProgram);
                 }
             }
         }
@@ -498,7 +495,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
 
         const auto& currentFBO = slot.GetBoundObject();
         if (currentFBO && currentFBO != MG_Impl::GLImpl::FramebufferImpl::pDefaultFramebufferInfo->defaultFBO) {
-            const auto& backendFBOIt = FramebufferImpl::g_backendFramebufferObjects.find(currentFBO.get());
+            const auto& backendFBOIt = FramebufferImpl::g_backendFramebufferObjects.find(currentFBO);
             if (backendFBOIt != FramebufferImpl::g_backendFramebufferObjects.end()) {
                 backendFBOIt->second->Bind(target);
             } else {
@@ -531,7 +528,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
 #endif
             const auto& currentVAO = MG_State::pGLContext->GetBoundVertexArray();
             if (currentVAO) {
-                const auto& backendVAOIt = VertexArrayImpl::g_backendVertexArrayObjects.find(currentVAO.get());
+                const auto& backendVAOIt = VertexArrayImpl::g_backendVertexArrayObjects.find(currentVAO);
                 if (backendVAOIt != VertexArrayImpl::g_backendVertexArrayObjects.end()) {
                     backendVAOIt->second->Bind();
                 }
@@ -559,7 +556,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
                                 MG_Util::ConvertTextureTargetToString(target).c_str());
                         continue;
                     }
-                    const auto& backendTextureIt = TextureImpl::g_backendTextureObjects.find(textureObject.get());
+                    const auto& backendTextureIt = TextureImpl::g_backendTextureObjects.find(textureObject);
                     if (backendTextureIt == TextureImpl::g_backendTextureObjects.end()) continue;
 
                     GLenum targetGL = MG_Util::ConvertTextureTargetToGLEnum(target);
@@ -569,7 +566,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
                 // Bind sampler object if necessary
                 const auto& samplerObject = textureUnit.GetSamplerObject();
                 if (samplerObject) {
-                    const auto& backendSamplerIt = SamplerImpl::g_backendSamplerObjects.find(samplerObject.get());
+                    const auto& backendSamplerIt = SamplerImpl::g_backendSamplerObjects.find(samplerObject);
                     if (backendSamplerIt != SamplerImpl::g_backendSamplerObjects.end()) {
                         backendSamplerIt->second->Bind(unit);
                     }
@@ -584,7 +581,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
 #ifdef TRACY_ENABLE
             ZoneScopedNC("BindCurrentProgram", TRACY_ZONECOLOR_BACKEND);
 #endif
-            const auto& backendProgramIt = PrgramImpl::g_backendProgramObjects.find(currentProgram.get());
+            const auto& backendProgramIt = PrgramImpl::g_backendProgramObjects.find(currentProgram);
             if (backendProgramIt != PrgramImpl::g_backendProgramObjects.end()) {
                 backendProgramIt->second->Use();
                 auto backendProgramId = backendProgramIt->second->GetBackendProgramId();
@@ -626,11 +623,11 @@ namespace MobileGL::MG_Backend::DirectGLES {
 
                         // Connect buffer to backend binding point
                         auto& point = MG_State::pGLContext->GetBufferBindingPoint(BufferTarget::Uniform, binding);
-                        auto& bufferObj = point.GetBoundObject();
+                        auto bufferObj = point.GetBoundObject();
                         auto range = point.GetRange();
 
                         if (bufferObj) {
-                            const auto& backendBufferIt = BufferImpl::g_backendBufferObjects.find(bufferObj.get());
+                            const auto& backendBufferIt = BufferImpl::g_backendBufferObjects.find(bufferObj);
                             if (backendBufferIt != BufferImpl::g_backendBufferObjects.end()) {
                                 const auto& backendBufferObject = backendBufferIt->second;
                                 backendBufferObject->Bind(GL_UNIFORM_BUFFER);
@@ -638,9 +635,9 @@ namespace MobileGL::MG_Backend::DirectGLES {
                                     g_GLESFuncs.glBindBufferBase(GL_UNIFORM_BUFFER, lastUBOBinding,
                                                                  backendBufferObject->GetBackendBufferId());
                                 } else {
-                                    g_GLESFuncs.glBindBufferRange(
-                                        GL_UNIFORM_BUFFER, lastUBOBinding, backendBufferObject->GetBackendBufferId(),
-                                        (GLintptr)range.start, (GLintptr)(range.end - range.start));
+                                    g_GLESFuncs.glBindBufferRange(GL_UNIFORM_BUFFER, lastUBOBinding,
+                                                                  backendBufferObject->GetBackendBufferId(),
+                                                                  range.start, range.end - range.start);
                                 }
                             } else {
                                 MGLOG_E("No backend buffer found for UBO binding, cannot bind UBO.");
@@ -663,18 +660,18 @@ namespace MobileGL::MG_Backend::DirectGLES {
                             backendProgramIt->second->GetBackendProgramId(), name.c_str());
                         g_GLESFuncs.glUniform1i(locAtBackend, unit);
 
-                        auto& samplerObject = MG_State::pGLContext->GetTextureUnitObject(unit).GetSamplerObject();
+                        auto samplerObject = MG_State::pGLContext->GetTextureUnitObject(unit).GetSamplerObject();
 
                         if (samplerObject) {
-                            const auto& backendSamplerIt =
-                                SamplerImpl::g_backendSamplerObjects.find(samplerObject.get());
-                            Bool exist = (backendSamplerIt != SamplerImpl::g_backendSamplerObjects.end());
-                            auto& backendObj = exist ? backendSamplerIt->second
-                                                     : SamplerImpl::g_backendSamplerObjects.GetOrCreate(samplerObject);
-                            if (!exist) {
-                                backendObj = MakeShared<SamplerImpl::BackendSamplerObject>();
+                            const auto& backendSamplerIt = SamplerImpl::g_backendSamplerObjects.find(samplerObject);
+                            SharedPtr<SamplerImpl::BackendSamplerObject> backendSamplerObject;
+                            if (backendSamplerIt == SamplerImpl::g_backendSamplerObjects.end()) {
+                                backendSamplerObject = MakeShared<SamplerImpl::BackendSamplerObject>();
+                                SamplerImpl::g_backendSamplerObjects[samplerObject] = backendSamplerObject;
+                            } else {
+                                backendSamplerObject = backendSamplerIt->second;
                             }
-                            backendObj->SyncToBackend(samplerObject);
+                            backendSamplerObject->SyncToBackend(samplerObject);
                         } else {
                             SamplerImpl::UnbindSampler(unit);
                         }
@@ -848,29 +845,30 @@ namespace MobileGL::MG_Backend::DirectGLES {
 #if MOBILEGL_LOG_ACTIVE_LEVEL <= MOBILEGL_LOG_LEVEL_DEBUG && MOBILEGL_ENABLE_SCOPE_MARKER
         DebugImpl::OpenGLScopeMarker marker(__func__);
 #endif
+        DebugImpl::ErrorLopper errorLopper;
 
         TextureImpl::SyncNeccessaryTextures();
-        DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__](auto err) {
+        errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
             MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
         });
         FramebufferImpl::SyncCurrentFBO();
-        DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__](auto err) {
+        errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
             MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
         });
         RenderStateImpl::SyncRenderState();
-        DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__](auto err) {
+        errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
             MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
         });
 
         BindCurrentFBO(FramebufferTarget::Draw);
         BindCurrentFBO(FramebufferTarget::Read);
-        DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__](auto err) {
+        errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
             MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
         });
         MGLOG_D("ES %s(%d, %d, %d, %d, %d, %d, %d, %d, 0x%x, %s)", __func__, srcX0, srcY0, srcX1, srcY1, dstX0, dstY0,
                 dstX1, dstY1, mask, MG_Util::ConvertGLEnumToString(filter).c_str());
         g_GLESFuncs.glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
-        DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__](auto err) {
+        errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
             MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
         });
     }
@@ -897,14 +895,15 @@ namespace MobileGL::MG_Backend::DirectGLES {
                         MG_Util::ConvertTextureTargetToString(textureTarget).c_str());
             }
 
-            const auto& backendTextureIt = TextureImpl::g_backendTextureObjects.find(textureObject.get());
-            Bool exist = (backendTextureIt != TextureImpl::g_backendTextureObjects.end());
-            auto& backendObj =
-                exist ? backendTextureIt->second : TextureImpl::g_backendTextureObjects.GetOrCreate(textureObject);
-            if (!exist) {
-                backendObj = MakeShared<TextureImpl::BackendTextureObject>();
+            const auto& backendTextureIt = TextureImpl::g_backendTextureObjects.find(textureObject);
+            SharedPtr<TextureImpl::BackendTextureObject> backendTextureObject;
+            if (backendTextureIt == TextureImpl::g_backendTextureObjects.end()) {
+                backendTextureObject = MakeShared<TextureImpl::BackendTextureObject>();
+                TextureImpl::g_backendTextureObjects[textureObject] = backendTextureObject;
+            } else {
+                backendTextureObject = backendTextureIt->second;
             }
-            backendObj->Bind(target, unit);
+            backendTextureObject->Bind(target, unit);
         }
         return true;
     }
@@ -954,15 +953,15 @@ namespace MobileGL::MG_Backend::DirectGLES {
         DebugImpl::ErrorLopper errorLopper;
         MGLOG_D("%s: Backend", __func__);
         TextureImpl::SyncNeccessaryTextures();
-        DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__](auto err) {
+        errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
             MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
         });
         FramebufferImpl::SyncCurrentFBO();
-        DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__](auto err) {
+        errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
             MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
         });
         RenderStateImpl::SyncRenderState();
-        DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__](auto err) {
+        errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
             MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
         });
         if (!UpdateTextureBindingAtTarget(target)) return;
@@ -970,10 +969,10 @@ namespace MobileGL::MG_Backend::DirectGLES {
         // Bind necessary FBO and texture
         BindCurrentFBO(FramebufferTarget::Read);
         Uint activeTextureUnit = MG_State::pGLContext->GetActiveTextureUnit();
-        const auto& textureObject = MG_State::pGLContext->GetTextureUnitObject((Int)activeTextureUnit)
+        const auto& textureObject = MG_State::pGLContext->GetTextureUnitObject(activeTextureUnit)
                                         .GetBindingSlot(MG_Util::ConvertGLEnumToTextureTarget(target))
                                         .GetBoundObject();
-        const auto& backendTextureIt = TextureImpl::g_backendTextureObjects.find(textureObject.get());
+        const auto& backendTextureIt = TextureImpl::g_backendTextureObjects.find(textureObject);
         if (backendTextureIt == TextureImpl::g_backendTextureObjects.end()) {
             MGLOG_E("CopyTexSubImage2D: No backend texture found for texture %u.",
                     textureObject ? textureObject->GetExternalIndex() : 0);
@@ -999,19 +998,19 @@ namespace MobileGL::MG_Backend::DirectGLES {
 
         if (!isDepthFormat) {
             g_GLESFuncs.glCopyTexImage2D(target, level, internalformat, x, y, width, height, border);
-            DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__](auto err) {
+            errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
                 MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
             });
         } else {
             MGLOG_D("%s: Backend depth", __func__);
             g_GLESFuncs.glTexImage2D(target, level, (GLint)internalformat, width, height, border, format, type,
                                      nullptr);
-            DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__](auto err) {
+            errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
                 MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
             });
 
-            auto currentTex = (GLint)backendTextureIt->second->GetBackendTextureId();
-            DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__](auto err) {
+            GLint currentTex = backendTextureIt->second->GetBackendTextureId();
+            errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
                 MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
             });
 
@@ -1027,7 +1026,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             g_GLESFuncs.glBlitFramebuffer(x, y, x + width, y + height, 0, 0, width, height,
                                           GL_DEPTH_BUFFER_BIT | (isStencilFormat ? GL_STENCIL_BUFFER_BIT : 0),
                                           GL_NEAREST);
-            DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__](auto err) {
+            errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
                 MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
             });
         }
@@ -1042,15 +1041,15 @@ namespace MobileGL::MG_Backend::DirectGLES {
 
         MGLOG_D("%s: Backend", __func__);
         TextureImpl::SyncNeccessaryTextures();
-        DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__](auto err) {
+        errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
             MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
         });
         FramebufferImpl::SyncCurrentFBO();
-        DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__](auto err) {
+        errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
             MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
         });
         RenderStateImpl::SyncRenderState();
-        DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__](auto err) {
+        errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
             MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
         });
 
@@ -1058,11 +1057,11 @@ namespace MobileGL::MG_Backend::DirectGLES {
 
         // Bind necessary FBO and texture
         BindCurrentFBO(FramebufferTarget::Read);
-        auto activeTextureUnit = MG_State::pGLContext->GetActiveTextureUnit();
+        Uint activeTextureUnit = MG_State::pGLContext->GetActiveTextureUnit();
         const auto& textureObject = MG_State::pGLContext->GetTextureUnitObject(activeTextureUnit)
                                         .GetBindingSlot(MG_Util::ConvertGLEnumToTextureTarget(target))
                                         .GetBoundObject();
-        const auto& backendTextureIt = TextureImpl::g_backendTextureObjects.find(textureObject.get());
+        const auto& backendTextureIt = TextureImpl::g_backendTextureObjects.find(textureObject);
         if (backendTextureIt == TextureImpl::g_backendTextureObjects.end()) {
             MGLOG_E("CopyTexSubImage2D: No backend texture found for texture %u.",
                     textureObject ? textureObject->GetExternalIndex() : 0);
@@ -1070,12 +1069,12 @@ namespace MobileGL::MG_Backend::DirectGLES {
         }
         backendTextureIt->second->Bind(target, activeTextureUnit);
 
-        DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__](auto err) {
+        errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
             MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
         });
         GLenum internalFormat;
         g_GLESFuncs.glGetTexLevelParameteriv(target, level, GL_TEXTURE_INTERNAL_FORMAT, (GLint*)&internalFormat);
-        DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__](auto err) {
+        errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
             MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
         });
         auto mgInternalFormat = MG_Util::ConvertGLEnumToTextureInternalFormat(internalFormat);
@@ -1085,19 +1084,19 @@ namespace MobileGL::MG_Backend::DirectGLES {
 
         if (!isDepthFormat) {
             g_GLESFuncs.glCopyTexSubImage2D(target, level, xoffset, yoffset, x, y, width, height);
-            DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__](auto err) {
+            errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
                 MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
             });
         } else {
             MGLOG_D("%s: Backend depth", __func__);
-            auto currentTex = backendTextureIt->second->GetBackendTextureId();
-            DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__](auto err) {
+            GLint currentTex = backendTextureIt->second->GetBackendTextureId();
+            errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
                 MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
             });
             GLenum attachment = isStencilFormat ? GL_DEPTH_STENCIL_ATTACHMENT : GL_DEPTH_ATTACHMENT;
             TempFBOBinder tempFBOBinder(false);
             g_GLESFuncs.glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, attachment, target, currentTex, level);
-            DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__](auto err) {
+            errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
                 MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
             });
             if (g_GLESFuncs.glCheckFramebufferStatus(GL_DRAW_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
@@ -1108,7 +1107,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             g_GLESFuncs.glBlitFramebuffer(
                 x, y, x + width, y + height, xoffset, yoffset, xoffset + width, yoffset + height,
                 GL_DEPTH_BUFFER_BIT | (isStencilFormat ? GL_STENCIL_BUFFER_BIT : 0), GL_NEAREST);
-            DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__](auto err) {
+            errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
                 MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
             });
         }
@@ -1121,8 +1120,8 @@ namespace MobileGL::MG_Backend::DirectGLES {
         auto unitIndex = MG_State::pGLContext->GetActiveTextureUnit();
         auto& unit = MG_State::pGLContext->GetTextureUnitObject(unitIndex);
         auto& slot = unit.GetBindingSlot(MG_Util::ConvertGLEnumToTextureTarget(target));
-        auto& texture = slot.GetBoundObject();
-        auto& backendTexture = TextureImpl::SyncTextureObjectToBackend(texture);
+        auto texture = slot.GetBoundObject();
+        auto backendTexture = TextureImpl::SyncTextureObjectToBackend(texture);
 
         backendTexture->Bind(target, unitIndex);
         g_GLESFuncs.glGenerateMipmap(target);
@@ -1185,7 +1184,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
 
         PixelStoreParameters m_prevParams;
 
-        static PixelStoreParameters QueryCurrentGLPixelStoreParams(Bool isUnpack) {
+        PixelStoreParameters QueryCurrentGLPixelStoreParams(Bool isUnpack) {
             PixelStoreParameters p;
             if (!isUnpack) {
                 g_GLESFuncs.glGetIntegerv(GL_PACK_ALIGNMENT, (GLint*)&p.Alignment);
@@ -1215,7 +1214,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             return p;
         }
 
-        static void Sync(Bool isUnpack, const PixelStoreParameters& params) {
+        void Sync(Bool isUnpack, const PixelStoreParameters& params) {
             if (!isUnpack) {
                 g_GLESFuncs.glPixelStorei(GL_PACK_ALIGNMENT, params.Alignment);
                 g_GLESFuncs.glPixelStorei(GL_PACK_ROW_LENGTH, params.RowLength);
@@ -1272,7 +1271,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
         }
 
         // Handle PBO
-        auto& pixelPackBufferObject =
+        auto pixelPackBufferObject =
             MG_State::pGLContext->GetBufferBindingSlot(BufferTarget::PixelPack).GetBoundObject();
         Bool usePBO;
         GLuint prevPixelPackBuffer = 0;
@@ -1280,7 +1279,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             BufferImpl::CreateAndSyncBufferObject(pixelPackBufferObject);
             MGLOG_D("ReadPixels: Using PBO %u", pixelPackBufferObject->GetExternalIndex());
             usePBO = true;
-            const auto& backendBufferIt = BufferImpl::g_backendBufferObjects.find(pixelPackBufferObject.get());
+            const auto& backendBufferIt = BufferImpl::g_backendBufferObjects.find(pixelPackBufferObject);
 
             if (backendBufferIt == BufferImpl::g_backendBufferObjects.end()) {
                 MGLOG_E("ReadPixels: No backend buffer found for PBO %u.",
@@ -1300,8 +1299,8 @@ namespace MobileGL::MG_Backend::DirectGLES {
         if (usePBO) {
             // pull back to client memory if PBO is used
             MGLOG_D("ReadPixels: PBO used, mapping buffer to client memory");
-            GLvoid* pboMappedPtr = g_GLESFuncs.glMapBufferRange(
-                GL_PIXEL_PACK_BUFFER, 0, (GLsizeiptr)pixelPackBufferObject->GetSize(), GL_MAP_READ_BIT);
+            GLvoid* pboMappedPtr = g_GLESFuncs.glMapBufferRange(GL_PIXEL_PACK_BUFFER, 0,
+                                                                pixelPackBufferObject->GetSize(), GL_MAP_READ_BIT);
             if (pboMappedPtr) {
                 MGLOG_D("ReadPixels: Copying data from PBO to client memory");
                 SizeT size = pixelPackBufferObject->GetSize();
@@ -1346,7 +1345,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
         MGLOG_D("GetTexImage: SyncCurrentFBO()");
         FramebufferImpl::SyncCurrentFBO();
 
-        auto activeTextureUnit = MG_State::pGLContext->GetActiveTextureUnit();
+        Uint activeTextureUnit = MG_State::pGLContext->GetActiveTextureUnit();
         MGLOG_D("GetTexImage: active texture unit = %u", activeTextureUnit);
 
         const auto& textureObject = MG_State::pGLContext->GetTextureUnitObject(activeTextureUnit)
@@ -1356,7 +1355,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
         MGLOG_D("GetTexImage: bound texture object = %p (name=%u)", textureObject.get(),
                 textureObject ? textureObject->GetExternalIndex() : 0);
 
-        const auto& backendTextureIt = TextureImpl::g_backendTextureObjects.find(textureObject.get());
+        const auto& backendTextureIt = TextureImpl::g_backendTextureObjects.find(textureObject);
 
         if (backendTextureIt == TextureImpl::g_backendTextureObjects.end()) {
             MGLOG_E("GetTexImage: No backend texture found for texture %u.",
@@ -1384,14 +1383,14 @@ namespace MobileGL::MG_Backend::DirectGLES {
             return;
         }
 
-        DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__](auto err) {
+        errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
             MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
         });
 
         MGLOG_D("GetTexImage: Applying TempPixelStoreParameterSync (PACK)");
         TempPixelStoreParameterSync tempPackParamsSync(false);
 
-        DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__](auto err) {
+        errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
             MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
         });
 
@@ -1405,7 +1404,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
 
         auto* textureMipmapObject = static_cast<MG_State::GLState::TextureObjectMipmap*>(textureObject.get());
 
-        auto& levelRange = textureMipmapObject->GetLevelRange();
+        auto levelRange = textureMipmapObject->GetLevelRange();
         MGLOG_D("GetTexImage: mipmap level range = [%d, %d)", levelRange.x(), levelRange.y());
 
         if (level < levelRange.x() || level >= levelRange.y()) {
@@ -1422,7 +1421,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
         MGLOG_D("GetTexImage: mip level %d size = %dx%d", level, size.x(), size.y());
 
         // Handle PBO
-        auto& pixelPackBufferObject =
+        auto pixelPackBufferObject =
             MG_State::pGLContext->GetBufferBindingSlot(BufferTarget::PixelPack).GetBoundObject();
         Bool usePBO;
         GLuint prevPixelPackBuffer = 0;
@@ -1430,7 +1429,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             BufferImpl::CreateAndSyncBufferObject(pixelPackBufferObject);
             MGLOG_D("GetTexImage: Using PBO %u", pixelPackBufferObject->GetExternalIndex());
             usePBO = true;
-            const auto& backendBufferIt = BufferImpl::g_backendBufferObjects.find(pixelPackBufferObject.get());
+            const auto& backendBufferIt = BufferImpl::g_backendBufferObjects.find(pixelPackBufferObject);
             if (backendBufferIt == BufferImpl::g_backendBufferObjects.end()) {
                 MGLOG_E("GetTexImage: No backend buffer found for PBO %u.",
                         pixelPackBufferObject ? pixelPackBufferObject->GetExternalIndex() : 0);
@@ -1444,7 +1443,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             MGLOG_D("GetTexImage: Not using PBO");
         }
 
-        DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__](auto err) {
+        errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
             MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
         });
         MGLOG_D("GetTexImage: glReadPixels(0, 0, %d, %d, %s, %s, %p)", size.x(), size.y(),
@@ -1452,14 +1451,14 @@ namespace MobileGL::MG_Backend::DirectGLES {
                 pixels);
         g_GLESFuncs.glReadPixels(0, 0, size.x(), size.y(), esFormat, esType, pixels);
 
-        DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__](auto err) {
+        errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
             MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
         });
         if (usePBO) {
             // pull back to client memory if PBO is used
             MGLOG_D("ReadPixels: PBO used, mapping buffer to client memory");
-            GLvoid* pboMappedPtr = g_GLESFuncs.glMapBufferRange(
-                GL_PIXEL_PACK_BUFFER, 0, (GLsizeiptr)pixelPackBufferObject->GetSize(), GL_MAP_READ_BIT);
+            GLvoid* pboMappedPtr = g_GLESFuncs.glMapBufferRange(GL_PIXEL_PACK_BUFFER, 0,
+                                                                pixelPackBufferObject->GetSize(), GL_MAP_READ_BIT);
             if (pboMappedPtr) {
                 MGLOG_D("ReadPixels: Copying data from PBO to client memory");
                 SizeT size = pixelPackBufferObject->GetSize();
@@ -1480,7 +1479,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             }
         }
 
-        DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__](auto err) {
+        errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
             MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
         });
         MGLOG_D("GetTexImage: finished");

MobileGL/MG_Backend/DirectGLES/Managers.cpp

@@ -7,6 +7,10 @@
 // End of Source File Header
 
 #include "Managers.h"
+#include "MG_State/GLState/TextureState/TextureEnum.h"
+#include "MG_State/GLState/TextureState/TextureObject.h"
+#include "MG_State/GLState/TextureState/TextureState.h"
+#include "MG_Util/Converters/GLToMG/TextureEnumConverter.h"
 #include "Utils.h"
 #include "DirectGLES.h"
 
@@ -14,7 +18,6 @@
 #include <MG_Util/Converters/GLToStr/GLEnumConverter.h>
 #include <MG_Util/Converters/MGToGL/DataTypeConverter.h>
 #include <MG_Util/Converters/MGToGL/BufferEnumConverter.h>
-#include <MG_Util/Converters/GLToMG/TextureEnumConverter.h>
 #include <MG_Util/Converters/MGToGL/ProgramEnumConverter.h>
 #include <MG_Util/Converters/MGToGL/TextureEnumConverter.h>
 #include <MG_Util/Converters/MGToStr/TextureEnumConverter.h>
@@ -41,7 +44,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             }
         }
 
-        void BackendBufferObject::SyncToBackend(const SharedPtr<MG_State::GLState::BufferObject>& stateBufferObject) {
+        void BackendBufferObject::SyncToBackend(SharedPtr<MG_State::GLState::BufferObject>& stateBufferObject) {
 #ifdef TRACY_ENABLE
             ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
 #endif
@@ -102,7 +105,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
         }
 
         void BackendBufferObject::SyncToBackend_glBufferData(
-            const SharedPtr<MG_State::GLState::BufferObject>& stateBufferObject) {
+            SharedPtr<MG_State::GLState::BufferObject>& stateBufferObject) {
 #ifdef TRACY_ENABLE
             ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
 #endif
@@ -114,11 +117,11 @@ namespace MobileGL::MG_Backend::DirectGLES {
             GLenum usage = MG_Util::ConvertBufferUsageToGLEnum(stateBufferObject->GetUsage());
 
             Bind();
-            g_GLESFuncs.glBufferData(TempBufferTarget, (GLsizeiptr)size, data, usage);
+            g_GLESFuncs.glBufferData(TempBufferTarget, size, data, usage);
         }
 
         void BackendBufferObject::SyncToBackend_glBufferSubData(
-            const SharedPtr<MG_State::GLState::BufferObject>& stateBufferObject) {
+            SharedPtr<MG_State::GLState::BufferObject>& stateBufferObject) {
 #ifdef TRACY_ENABLE
             ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
 #endif
@@ -127,7 +130,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
 
             const void* data = stateBufferObject->GetDataReadOnly()->data();
             // dirty range: [range.start, range.end)
-            auto& ranges = stateBufferObject->GetDirtyRanges();
+            auto ranges = stateBufferObject->GetDirtyRanges();
             if (ranges.empty()) {
                 MGLOG_D("No dirty range to sync for buffer with ID: %u", m_backendBufferId);
                 return;
@@ -135,21 +138,20 @@ namespace MobileGL::MG_Backend::DirectGLES {
 
             for (const auto& range : ranges) {
                 Bind();
-                g_GLESFuncs.glBufferSubData(TempBufferTarget, (GLintptr)range.start,
-                                            (GLintptr)(range.end - range.start),
+                g_GLESFuncs.glBufferSubData(TempBufferTarget, range.start, range.end - range.start,
                                             reinterpret_cast<const char*>(data) + range.start);
             }
         }
 
         void BackendBufferObject::SyncToBackend_glMapBufferRange(
-            const SharedPtr<MG_State::GLState::BufferObject>& stateBufferObject, Bool invalidate, Bool unsynchronized) {
+            SharedPtr<MG_State::GLState::BufferObject>& stateBufferObject, Bool invalidate, Bool unsynchronized) {
 #ifdef TRACY_ENABLE
             ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
 #endif
 
             MGLOG_D("Syncing buffer map (glMapBuffer) for object with ID : %u", m_backendBufferId);
             MGLOG_D("Mapping buffer with ID: %u", m_backendBufferId);
-            auto& ranges = stateBufferObject->GetDirtyRanges();
+            auto ranges = stateBufferObject->GetDirtyRanges();
             if (ranges.empty()) {
                 MGLOG_D("No dirty range to sync for buffer with ID: %u", m_backendBufferId);
                 return;
@@ -157,18 +159,18 @@ namespace MobileGL::MG_Backend::DirectGLES {
             SizeT minStart = ranges.GetOverallMinStart();
             SizeT maxEnd = ranges.GetOverallMaxEnd();
             Bind();
-            void* mappedData = g_GLESFuncs.glMapBufferRange(
-                TempBufferTarget, (GLintptr)minStart, (GLintptr)(maxEnd - minStart),
-                (invalidate ? GL_MAP_INVALIDATE_RANGE_BIT : 0) | (unsynchronized ? GL_MAP_UNSYNCHRONIZED_BIT : 0) |
-                    GL_MAP_WRITE_BIT | GL_MAP_FLUSH_EXPLICIT_BIT);
+            void* mappedData = g_GLESFuncs.glMapBufferRange(TempBufferTarget, minStart, maxEnd - minStart,
+                                                            (invalidate ? GL_MAP_INVALIDATE_RANGE_BIT : 0) |
+                                                                (unsynchronized ? GL_MAP_UNSYNCHRONIZED_BIT : 0) |
+                                                                GL_MAP_WRITE_BIT | GL_MAP_FLUSH_EXPLICIT_BIT);
             const void* data = stateBufferObject->GetDataReadOnly()->data();
             if (mappedData) {
                 MGLOG_D("Mapped buffer data successfully for object with ID: %u", m_backendBufferId);
                 Memcpy(mappedData, reinterpret_cast<const char*>(data) + minStart, maxEnd - minStart);
                 // Explicitly flush the dirty ranges
                 for (const auto& range : ranges) {
-                    g_GLESFuncs.glFlushMappedBufferRange(TempBufferTarget, (GLintptr)(range.start - minStart),
-                                                         (GLintptr)(range.end - range.start));
+                    g_GLESFuncs.glFlushMappedBufferRange(TempBufferTarget, range.start - minStart,
+                                                         range.end - range.start);
                 }
                 g_GLESFuncs.glUnmapBuffer(TempBufferTarget);
             } else {
@@ -189,7 +191,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             g_GLESFuncs.glBindBuffer(target, m_backendBufferId);
         }
 
-        StateBackendObjectRegistry<MG_State::GLState::BufferObject, BackendBufferObject> g_backendBufferObjects;
+        UnorderedMap<SharedPtr<MG_State::GLState::BufferObject>, SharedPtr<BackendBufferObject>> g_backendBufferObjects;
         BackendBufferObject* g_boundVertexBufferObject = nullptr;
     } // namespace BufferImpl
 
@@ -207,21 +209,22 @@ namespace MobileGL::MG_Backend::DirectGLES {
             }
         }
 
-        void BackendVertexArrayObject::Bind() const {
+        void BackendVertexArrayObject::Bind() {
 #ifdef TRACY_ENABLE
             ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
 #endif
             g_GLESFuncs.glBindVertexArray(m_backendVAOId);
         }
 
-        inline void BindAttributeBuffer(const MG_State::GLState::VertexAttribute& attrib) {
+        void BackendVertexArrayObject::BindAttributeBuffer(Uint index,
+                                                           const MG_State::GLState::VertexAttribute& attrib) {
             const auto& bufferObject = attrib.Buffer;
             if (!bufferObject) {
                 MGLOG_W("Attribute has no bound buffer, skipping.");
                 return;
             }
 
-            const auto& backendBufferIt = BufferImpl::g_backendBufferObjects.find(bufferObject.get());
+            const auto& backendBufferIt = BufferImpl::g_backendBufferObjects.find(bufferObject);
             if (backendBufferIt == BufferImpl::g_backendBufferObjects.end()) {
                 MGLOG_E("No backend buffer found for attribute's buffer, cannot bind attribute.");
                 return;
@@ -231,8 +234,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             backendBufferObject->Bind(GL_ARRAY_BUFFER);
         }
 
-        void BackendVertexArrayObject::SyncToBackend(
-            const SharedPtr<MG_State::GLState::VertexArrayObject>& stateVAOObject) {
+        void BackendVertexArrayObject::SyncToBackend(SharedPtr<MG_State::GLState::VertexArrayObject>& stateVAOObject) {
 #ifdef TRACY_ENABLE
             ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
 #endif
@@ -266,7 +268,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
                                        m_syncedAttributeVersions[attribIndex].BufferVersion;
                 if (!needsSyncFormat && !needsSyncBuffer) continue;
 
-                BindAttributeBuffer(attrib);
+                BindAttributeBuffer(attribIndex, attrib);
 
                 if (!attrib.IsInteger) {
                     g_GLESFuncs.glVertexAttribPointer(
@@ -287,7 +289,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             if (currentIndexBufferVersion != m_syncedIndexBufferVersion) {
                 const auto& indexBufferBinding = stateVAOObject->GetIndexBufferBindingSlot().GetBoundObject();
                 if (indexBufferBinding) {
-                    const auto& backendBufferIt = BufferImpl::g_backendBufferObjects.find(indexBufferBinding.get());
+                    const auto& backendBufferIt = BufferImpl::g_backendBufferObjects.find(indexBufferBinding);
                     if (backendBufferIt != BufferImpl::g_backendBufferObjects.end()) {
                         const auto& backendBufferObject = backendBufferIt->second;
                         backendBufferObject->Bind(GL_ELEMENT_ARRAY_BUFFER);
@@ -301,7 +303,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             m_syncedAttributeVersions = allAttributeVersions;
         }
 
-        StateBackendObjectRegistry<MG_State::GLState::VertexArrayObject, BackendVertexArrayObject>
+        UnorderedMap<SharedPtr<MG_State::GLState::VertexArrayObject>, SharedPtr<BackendVertexArrayObject>>
             g_backendVertexArrayObjects;
     } // namespace VertexArrayImpl
 
@@ -334,7 +336,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             g_boundTexturesCache[unit][targetN] = this;
         }
 
-        Uint BackendTextureObject::GetBackendTextureId() const {
+        Uint BackendTextureObject::GetBackendTextureId() {
 #ifdef TRACY_ENABLE
             ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
 #endif
@@ -342,7 +344,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
         }
 
         void BackendTextureObject::SyncMipmapsToBackend(
-            const SharedPtr<MG_State::GLState::ITextureObject>& stateTextureObject) {
+            SharedPtr<MG_State::GLState::ITextureObject>& stateTextureObject) {
             if (!stateTextureObject) {
                 MGLOG_E("State texture object is null, cannot sync to backend.");
                 return;
@@ -351,6 +353,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
 #ifdef TRACY_ENABLE
             ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
 #endif
+            DebugImpl::ErrorLopper errorLopper;
 
             MGLOG_D("Syncing texture mipmaps with backend ID %u to backend for state ID %u", m_backendTextureId,
                     stateTextureObject->GetExternalIndex());
@@ -378,7 +381,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             }
 
             Bind(target);
-            DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
+            errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
                 MGLOG_D("%s(%s:%d) ES error: %s", func, file, line, MG_Util::ConvertGLEnumToString(err).c_str());
             });
             const auto baseSize = stateTextureObject->GetBaseSize();
@@ -411,7 +414,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
                                                            &glFormat, &glType);
 
                     const auto& uploadTargets = textureMipmapObject->GetUploadTargets();
-                    for (auto& uploadTarget : uploadTargets) {
+                    for (auto uploadTarget : uploadTargets) {
                         for (SizeT level = 0; level < mipmapCount; ++level) {
                             auto levelTexelSize = textureMipmapObject->GetMipmapTexelSize(uploadTarget, level);
                             auto levelByteSize = textureMipmapObject->GetMipmapByteSize(uploadTarget, level);
@@ -426,22 +429,22 @@ namespace MobileGL::MG_Backend::DirectGLES {
                                 levelTexelSize.x(), levelTexelSize.y(), levelTexelSize.z(), levelByteSize, pData,
                                 levelDirty ? "true" : "false");
 
-                            DebugImpl::ErrorLopper::Clear();
+                            errorLopper.Clear();
                             g_GLESFuncs.glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
                             auto textureTarget = stateTextureObject->GetTarget();
                             // TODO: handle more texture types
                             switch (textureTarget) {
                             case TextureTarget::Texture2D:
                             case TextureTarget::TextureCubeMap: {
-                                g_GLESFuncs.glTexImage2D(
-                                    glUploadTarget, static_cast<GLint>(level), (GLint)glInternalFormat,
-                                    static_cast<GLsizei>(levelTexelSize.x()), static_cast<GLsizei>(levelTexelSize.y()),
-                                    0, glFormat, glType, pData);
+                                g_GLESFuncs.glTexImage2D(glUploadTarget, static_cast<GLint>(level), glInternalFormat,
+                                                         static_cast<GLsizei>(levelTexelSize.x()),
+                                                         static_cast<GLsizei>(levelTexelSize.y()), 0, glFormat, glType,
+                                                         pData);
                                 break;
                             }
                             case TextureTarget::Texture3D: {
                                 g_GLESFuncs.glTexImage3D(
-                                    glUploadTarget, static_cast<GLint>(level), (GLint)glInternalFormat,
+                                    glUploadTarget, static_cast<GLint>(level), glInternalFormat,
                                     static_cast<GLsizei>(levelTexelSize.x()), static_cast<GLsizei>(levelTexelSize.y()),
                                     static_cast<GLsizei>(levelTexelSize.z()), 0, glFormat, glType, pData);
                                 break;
@@ -451,9 +454,8 @@ namespace MobileGL::MG_Backend::DirectGLES {
                                         MG_Util::ConvertTextureTargetToString(textureTarget).c_str());
                             }
                             }
-                            DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__, func = __func__,
-                                                          glUploadTarget, glInternalFormat, glFormat, glType,
-                                                          pData](GLenum err) {
+                            errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__, glUploadTarget,
+                                              glInternalFormat, glFormat, glType, pData](GLenum err) {
                                 MGLOG_D("%s(%s:%d) ES error: %s. glTexImage*: target=%s, internalformat=%s, format=%s, "
                                         "type=%s, pixels=%p",
                                         func, file, line, MG_Util::ConvertGLEnumToString(err).c_str(),
@@ -476,7 +478,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
                     TextureImpl::GenerateTextureFormatInfo(textureMipmapObject->GetFormat(), &glInternalFormat,
                                                            &glFormat, &glType);
                     const auto& uploadTargets = textureMipmapObject->GetUploadTargets();
-                    for (auto& uploadTarget : uploadTargets) {
+                    for (auto uploadTarget : uploadTargets) {
                         for (SizeT level = 0; level < mipmapCount; ++level) {
                             if (!textureMipmapObject->IsStorageDirty(uploadTarget, level)) {
                                 continue;
@@ -497,11 +499,10 @@ namespace MobileGL::MG_Backend::DirectGLES {
 
                             auto glUploadTarget = MG_Util::ConvertTextureUploadTargetToGLEnum(uploadTarget);
                             g_GLESFuncs.glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
-                            DebugImpl::ErrorLopper::Loop(
-                                [file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
-                                    MGLOG_D("%s(%s:%d) ES error: %s", func, file, line,
-                                            MG_Util::ConvertGLEnumToString(err).c_str());
-                                });
+                            errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
+                                MGLOG_D("%s(%s:%d) ES error: %s", func, file, line,
+                                        MG_Util::ConvertGLEnumToString(err).c_str());
+                            });
                             auto texelSize = textureMipmapObject->GetMipmapTexelSize(uploadTarget, level);
                             g_GLESFuncs.glTexSubImage2D(glUploadTarget, static_cast<GLint>(level), 0, 0,
                                                         static_cast<GLsizei>(texelSize.x()),
@@ -517,7 +518,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
                 auto* textureBufferObject =
                     static_cast<MG_State::GLState::TextureObjectBuffer*>(stateTextureObject.get());
                 auto& slot = textureBufferObject->GetBufferBindingSlot();
-                auto& buffer = slot.GetBoundObject();
+                auto buffer = slot.GetBoundObject();
                 auto bufferIndex = buffer->GetExternalIndex();
                 currentTextureInfo.bufferExternalIndex = bufferIndex;
 
@@ -529,13 +530,10 @@ namespace MobileGL::MG_Backend::DirectGLES {
                 // Need to sync texture buffer if not synced yet
                 auto& backendBuffers = BufferImpl::g_backendBufferObjects;
                 SharedPtr<BufferImpl::BackendBufferObject> backendBufferObject;
-                const auto& backendBufferIt = backendBuffers.find(buffer.get());
+                const auto& backendBufferIt = backendBuffers.find(buffer);
                 if (backendBufferIt == backendBuffers.end()) {
-                    auto& backendBufferSlot = backendBuffers.GetOrCreate(buffer);
-                    if (!backendBufferSlot) {
-                        backendBufferSlot = MakeShared<BufferImpl::BackendBufferObject>();
-                    }
-                    backendBufferObject = backendBufferSlot;
+                    backendBufferObject = MakeShared<BufferImpl::BackendBufferObject>();
+                    backendBuffers[buffer] = backendBufferObject;
                 } else {
                     backendBufferObject = backendBufferIt->second;
                 }
@@ -555,7 +553,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
                 THROW_UNIMPL_EXCEPTION;
             }
 
-            DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
+            errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
                 MGLOG_D("%s(%s:%d) ES error: %s", func, file, line, MG_Util::ConvertGLEnumToString(err).c_str());
             });
 
@@ -563,11 +561,11 @@ namespace MobileGL::MG_Backend::DirectGLES {
         }
 
         void BackendTextureObject::SyncBuiltinSamplerToBackend(
-            const SharedPtr<MG_State::GLState::ITextureObject>& stateTextureObject) {
+            SharedPtr<MG_State::GLState::ITextureObject>& stateTextureObject) {
 #ifdef TRACY_ENABLE
             ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
 #endif
-
+            DebugImpl::ErrorLopper errorLopper;
             if (!stateTextureObject) {
                 MGLOG_E("State texture object is null, cannot sync to backend.");
                 return;
@@ -596,7 +594,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             }
 
             Bind(target);
-            DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
+            errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
                 MGLOG_D("%s(%s:%d) ES error: %s", func, file, line, MG_Util::ConvertGLEnumToString(err).c_str());
             });
 
@@ -609,29 +607,28 @@ namespace MobileGL::MG_Backend::DirectGLES {
         g_GLESFuncs.glTexParameteri(target, glName,                                                                    \
                                     MG_Util::ConvertSampler##type##ToGLEnum(samplerParams.internalName));              \
         m_cacheSamplerParameters.internalName = samplerParams.internalName;                                            \
-        DebugImpl::ErrorLopper::Loop(                                                                                  \
-            [file = __FILE__, line = __LINE__, func = __func__,                                                        \
-             t = MG_Util::ConvertSampler##type##ToGLEnum(samplerParams.internalName)](GLenum err) {                    \
-                MGLOG_D("%s(%s:%d) ES error %s, GL_TEXTURE_MIN_FILTER = %s", func, file, line,                         \
-                        MG_Util::ConvertGLEnumToString(err).c_str(), MG_Util::ConvertGLEnumToString(t).c_str());       \
-            });                                                                                                        \
+        errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__,                                           \
+                          t = MG_Util::ConvertSampler##type##ToGLEnum(samplerParams.internalName)](GLenum err) {       \
+            MGLOG_D("%s(%s:%d) ES error %s, GL_TEXTURE_MIN_FILTER = %s", func, file, line,                             \
+                    MG_Util::ConvertGLEnumToString(err).c_str(), MG_Util::ConvertGLEnumToString(t).c_str());           \
+        });                                                                                                            \
     }
 
             if (m_cacheSamplerParameters.minFilter != samplerParams.minFilter ||
                 m_cacheSamplerParameters.mipmapMode != samplerParams.mipmapMode) {
-                g_GLESFuncs.glTexParameteri(target, GL_TEXTURE_MIN_FILTER,
-                                            (GLint)MG_Util::ConvertSamplerFilterModeToGLEnum(samplerParams.minFilter,
-                                                                                             samplerParams.mipmapMode));
+                g_GLESFuncs.glTexParameteri(
+                    target, GL_TEXTURE_MIN_FILTER,
+                    MG_Util::ConvertSamplerFilterModeToGLEnum(samplerParams.minFilter, samplerParams.mipmapMode));
                 m_cacheSamplerParameters.minFilter = samplerParams.minFilter;
                 m_cacheSamplerParameters.mipmapMode = samplerParams.mipmapMode;
             }
             if (m_cacheSamplerParameters.magFilter != samplerParams.magFilter) {
                 g_GLESFuncs.glTexParameteri(
                     target, GL_TEXTURE_MAG_FILTER,
-                    (GLint)MG_Util::ConvertSamplerFilterModeToGLEnum(samplerParams.magFilter, SamplerMipmapMode::None));
+                    MG_Util::ConvertSamplerFilterModeToGLEnum(samplerParams.magFilter, SamplerMipmapMode::None));
                 m_cacheSamplerParameters.magFilter = samplerParams.magFilter;
             }
-            DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
+            errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
                 MGLOG_D("%s(%s:%d) ES error %s", func, file, line, MG_Util::ConvertGLEnumToString(err).c_str());
             });
 
@@ -648,18 +645,18 @@ namespace MobileGL::MG_Backend::DirectGLES {
                 g_GLESFuncs.glTexParameterf(target, GL_TEXTURE_MAX_LOD, samplerParams.maxLod);
                 m_cacheSamplerParameters.maxLod = samplerParams.maxLod;
             }
-            DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
+            errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
                 MGLOG_D("%s(%s:%d) ES error %s", func, file, line, MG_Util::ConvertGLEnumToString(err).c_str());
             });
 #undef SYNC_TEX_SAMPLER_PARAM_IF_CHANGED
         }
 
         void BackendTextureObject::SyncTextureParamsToBackend(
-            const SharedPtr<MG_State::GLState::ITextureObject>& stateTextureObject) {
+            SharedPtr<MG_State::GLState::ITextureObject>& stateTextureObject) {
 #ifdef TRACY_ENABLE
             ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
 #endif
-
+            DebugImpl::ErrorLopper errorLopper;
             if (!stateTextureObject) {
                 MGLOG_E("State texture object is null, cannot sync to backend.");
                 return;
@@ -686,7 +683,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             }
 
             Bind(target);
-            DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
+            errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
                 MGLOG_D("%s(%s:%d) ES error: %s", func, file, line, MG_Util::ConvertGLEnumToString(err).c_str());
             });
 
@@ -699,14 +696,14 @@ namespace MobileGL::MG_Backend::DirectGLES {
                 g_GLESFuncs.glTexParameteri(target, GL_TEXTURE_BASE_LEVEL, static_cast<GLint>(levelRange.x()));
                 m_cacheLodRange.x() = levelRange.x();
             }
-            DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
+            errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
                 MGLOG_D("%s(%s:%d) ES error %s", func, file, line, MG_Util::ConvertGLEnumToString(err).c_str());
             });
             if (m_cacheLodRange.y() != levelRange.y()) {
                 g_GLESFuncs.glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, static_cast<GLint>(levelRange.y()));
                 m_cacheLodRange.y() = levelRange.y();
             }
-            DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
+            errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
                 MGLOG_D("%s(%s:%d) ES error %s", func, file, line, MG_Util::ConvertGLEnumToString(err).c_str());
             });
 
@@ -723,7 +720,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
                 SYNC_TEX_SWIZZLE_PARAM_IF_CHANGED(a(), GL_TEXTURE_SWIZZLE_A);
 #undef SYNC_TEX_SWIZZLE_PARAM_IF_CHANGED
                 m_cacheSwizzleParams = swizzleParams;
-                DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
+                errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
                     MGLOG_D("%s(%s:%d) ES error %s", func, file, line, MG_Util::ConvertGLEnumToString(err).c_str());
                 });
             }
@@ -733,7 +730,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
                 GLfloat borderColorArray[4] = {borderColor.x(), borderColor.y(), borderColor.z(), borderColor.w()};
                 g_GLESFuncs.glTexParameterfv(target, GL_TEXTURE_BORDER_COLOR, borderColorArray);
                 m_cacheBorderColor = borderColor;
-                DebugImpl::ErrorLopper::Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
+                errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
                     MGLOG_D("%s(%s:%d) ES error %s", func, file, line, MG_Util::ConvertGLEnumToString(err).c_str());
                 });
             }
@@ -763,7 +760,8 @@ namespace MobileGL::MG_Backend::DirectGLES {
         Array<Array<BackendTextureObject*, (SizeT)TextureTarget::TextureTargetCount>,
               MG_State::GLState::TextureState::MAX_TEXTURE_IMAGE_UNITS>
             g_boundTexturesCache;
-        StateBackendObjectRegistry<MG_State::GLState::ITextureObject, BackendTextureObject> g_backendTextureObjects;
+        UnorderedMap<SharedPtr<MG_State::GLState::ITextureObject>, SharedPtr<BackendTextureObject>>
+            g_backendTextureObjects;
     } // namespace TextureImpl
 
     namespace FramebufferImpl {
@@ -780,7 +778,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             }
         }
 
-        void BackendFramebufferObject::Bind(FramebufferTarget target) const {
+        void BackendFramebufferObject::Bind(FramebufferTarget target) {
 #ifdef TRACY_ENABLE
             ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
 #endif
@@ -790,12 +788,12 @@ namespace MobileGL::MG_Backend::DirectGLES {
                 g_GLESFuncs.glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_backendFBOId);
         }
 
-        static Bool SyncAttachmentObject(GLenum glFBOTarget,
-                                         const MG_State::GLState::FramebufferAttachmentObject& attachmentObject,
-                                         GLenum glBackendAttachment) {
+        Bool BackendFramebufferObject::SyncAttachmentObject(
+            GLenum glFBOTarget, const MG_State::GLState::FramebufferAttachmentObject& attachmentObject,
+            GLenum glBackendAttachment) {
             if (attachmentObject.IsTexture()) {
                 const auto& textureObject = attachmentObject.GetTexture();
-                const auto& backendTextureIt = TextureImpl::g_backendTextureObjects.find(textureObject.get());
+                const auto& backendTextureIt = TextureImpl::g_backendTextureObjects.find(textureObject);
                 if (backendTextureIt == TextureImpl::g_backendTextureObjects.end()) {
                     MGLOG_E("%s: No backend texture found for FBO attachment, cannot bind texture.", __func__);
                     return false;
@@ -809,15 +807,11 @@ namespace MobileGL::MG_Backend::DirectGLES {
             } else if (attachmentObject.IsRenderbuffer()) {
                 const auto& renderbufferObject = attachmentObject.GetRenderbuffer();
                 const auto& backendRenderbufferIt =
-                    RenderbufferImpl::g_backendRenderbufferObjects.find(renderbufferObject.get());
+                    RenderbufferImpl::g_backendRenderbufferObjects.find(renderbufferObject);
                 SharedPtr<RenderbufferImpl::BackendRenderbufferObject> backendRenderbufferObject;
                 if (backendRenderbufferIt == RenderbufferImpl::g_backendRenderbufferObjects.end()) {
-                    auto& backendRenderbufferSlot =
-                        RenderbufferImpl::g_backendRenderbufferObjects.GetOrCreate(renderbufferObject);
-                    if (!backendRenderbufferSlot) {
-                        backendRenderbufferSlot = MakeShared<RenderbufferImpl::BackendRenderbufferObject>();
-                    }
-                    backendRenderbufferObject = backendRenderbufferSlot;
+                    backendRenderbufferObject = MakeShared<RenderbufferImpl::BackendRenderbufferObject>();
+                    RenderbufferImpl::g_backendRenderbufferObjects[renderbufferObject] = backendRenderbufferObject;
                 } else {
                     backendRenderbufferObject = backendRenderbufferIt->second;
                 }
@@ -830,8 +824,8 @@ namespace MobileGL::MG_Backend::DirectGLES {
             return true;
         }
 
-        void BackendFramebufferObject::SyncToBackend(
-            const SharedPtr<MG_State::GLState::FramebufferObject>& stateFBOObject, FramebufferTarget asTarget) {
+        void BackendFramebufferObject::SyncToBackend(SharedPtr<MG_State::GLState::FramebufferObject>& stateFBOObject,
+                                                     FramebufferTarget asTarget) {
 #ifdef TRACY_ENABLE
             ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
 #endif
@@ -859,7 +853,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
                 std::fill(m_backendDrawBuffers, m_backendDrawBuffers + FramebufferObject::MAX_DRAW_BUFFERS, GL_NONE);
                 int nEffectiveBuffers = 0;
                 for (GLint i = 0; i < FramebufferObject::MAX_DRAW_BUFFERS; ++i) {
-                    auto& frontendBuf = stateDrawBuffers[i];
+                    auto frontendBuf = stateDrawBuffers[i];
                     if (frontendBuf == FramebufferAttachmentType::None) {
                         m_backendDrawBuffers[i] = GL_NONE;
                         continue;
@@ -898,7 +892,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             const auto& attachmentVersions = stateFBOObject->GetAllFramebufferAttachmentVersions();
             for (SizeT i = 0; i < attachments.size(); ++i) {
                 const auto& attachmentObject = attachments[i];
-                auto frontendType = static_cast<FramebufferAttachmentType>(i);
+                FramebufferAttachmentType frontendType = static_cast<FramebufferAttachmentType>(i);
                 GLenum glBackendAttachment = GL_NONE;
                 if (frontendType >= FramebufferAttachmentType::Color0 &&
                     frontendType <= FramebufferAttachmentType::Color31)
@@ -934,7 +928,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
                     // Verify that the backend object's name and parameters match the frontend attachment state
                     if (attachmentObject.IsTexture()) {
                         const auto& textureObject = attachmentObject.GetTexture();
-                        auto backendTextureIt = TextureImpl::g_backendTextureObjects.find(textureObject.get());
+                        auto backendTextureIt = TextureImpl::g_backendTextureObjects.find(textureObject);
                         MOBILEGL_ASSERT(backendTextureIt != TextureImpl::g_backendTextureObjects.end(),
                                         "No backend texture found while framebuffer reports texture attachment.");
                         GLuint backendTexId = backendTextureIt->second->GetBackendTextureId();
@@ -950,8 +944,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
                                         "Attachment texture level mismatch between GLES and state object.");
                     } else if (attachmentObject.IsRenderbuffer()) {
                         const auto& renderbufferObject = attachmentObject.GetRenderbuffer();
-                        auto backendRboIt =
-                            RenderbufferImpl::g_backendRenderbufferObjects.find(renderbufferObject.get());
+                        auto backendRboIt = RenderbufferImpl::g_backendRenderbufferObjects.find(renderbufferObject);
                         MOBILEGL_ASSERT(
                             backendRboIt != RenderbufferImpl::g_backendRenderbufferObjects.end(),
                             "No backend renderbuffer found while framebuffer reports renderbuffer attachment.");
@@ -982,13 +975,14 @@ namespace MobileGL::MG_Backend::DirectGLES {
             return glBackendReadBuffer;
         }
 
-        StateBackendObjectRegistry<MG_State::GLState::FramebufferObject, BackendFramebufferObject>
+        UnorderedMap<SharedPtr<MG_State::GLState::FramebufferObject>, SharedPtr<BackendFramebufferObject>>
             g_backendFramebufferObjects;
         Array<Uint16, SizeT(FramebufferTarget::FramebufferTargetCount)> g_fboBindVersions = {0};
     } // namespace FramebufferImpl
 
     namespace PrgramImpl {
-        StateBackendObjectRegistry<MG_State::GLState::ProgramObject, BackendProgramObjectImpl> g_backendProgramObjects;
+        UnorderedMap<SharedPtr<MG_State::GLState::ProgramObject>, SharedPtr<BackendProgramObjectImpl>>
+            g_backendProgramObjects;
 
         BackendProgramObjectImpl::BackendProgramObjectImpl() {
 #ifdef TRACY_ENABLE
@@ -1014,8 +1008,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             }
         }
 
-        void BackendProgramObjectImpl::SyncToBackend(
-            const SharedPtr<MG_State::GLState::ProgramObject>& stateProgramObject) {
+        void BackendProgramObjectImpl::SyncToBackend(SharedPtr<MG_State::GLState::ProgramObject>& stateProgramObject) {
 #ifdef TRACY_ENABLE
             ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
 #endif
@@ -1075,8 +1068,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
                 String source;
                 auto& spirvCode = shaderSpirvs[index];
 
-                MG_Util::ShaderTranspiler::SpvcSession spvcSession(spirvCode,
-                    MG_Util::ShaderTranspiler::SessionUsageBit::Transpile);
+                MG_Util::ShaderTranspiler::SpvcSession spvcSession(spirvCode);
 
                 spvc_compiler_options options;
                 spvcSession.CreateOptions(&options);
@@ -1169,7 +1161,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             MGLOG_D("Program sync completed. backend ID %u", m_backendProgramId);
         }
 
-        void BackendProgramObjectImpl::Use() const {
+        void BackendProgramObjectImpl::Use() {
 #ifdef TRACY_ENABLE
             ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
 #endif
@@ -1192,8 +1184,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             }
         }
 
-        void BackendSamplerObject::SyncToBackend(
-            const SharedPtr<MG_State::GLState::SamplerObject>& stateSamplerObject) {
+        void BackendSamplerObject::SyncToBackend(SharedPtr<MG_State::GLState::SamplerObject>& stateSamplerObject) {
 #ifdef TRACY_ENABLE
             ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
 #endif
@@ -1219,22 +1210,22 @@ namespace MobileGL::MG_Backend::DirectGLES {
 #define SYNC_SAMPLER_PARAM_IF_CHANGED(internalName, glName, type)                                                      \
     if (m_cacheSamplerParameters.internalName != samplerParams.internalName) {                                         \
         g_GLESFuncs.glSamplerParameteri(m_backendSamplerId, glName,                                                    \
-                                        (GLint)MG_Util::ConvertSampler##type##ToGLEnum(samplerParams.internalName));   \
+                                        MG_Util::ConvertSampler##type##ToGLEnum(samplerParams.internalName));          \
         m_cacheSamplerParameters.internalName = samplerParams.internalName;                                            \
     }
 
             if (m_cacheSamplerParameters.minFilter != samplerParams.minFilter ||
                 m_cacheSamplerParameters.mipmapMode != samplerParams.mipmapMode) {
-                g_GLESFuncs.glSamplerParameteri(m_backendSamplerId, GL_TEXTURE_MIN_FILTER,
-                                                (GLint)MG_Util::ConvertSamplerFilterModeToGLEnum(
-                                                    samplerParams.minFilter, samplerParams.mipmapMode));
+                g_GLESFuncs.glSamplerParameteri(
+                    m_backendSamplerId, GL_TEXTURE_MIN_FILTER,
+                    MG_Util::ConvertSamplerFilterModeToGLEnum(samplerParams.minFilter, samplerParams.mipmapMode));
                 m_cacheSamplerParameters.minFilter = samplerParams.minFilter;
                 m_cacheSamplerParameters.mipmapMode = samplerParams.mipmapMode;
             }
             if (m_cacheSamplerParameters.magFilter != samplerParams.magFilter) {
                 g_GLESFuncs.glSamplerParameteri(
                     m_backendSamplerId, GL_TEXTURE_MAG_FILTER,
-                    (GLint)MG_Util::ConvertSamplerFilterModeToGLEnum(samplerParams.magFilter, SamplerMipmapMode::None));
+                    MG_Util::ConvertSamplerFilterModeToGLEnum(samplerParams.magFilter, SamplerMipmapMode::None));
                 m_cacheSamplerParameters.magFilter = samplerParams.magFilter;
             }
 
@@ -1265,7 +1256,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             g_boundSamplersCache[unit] = this;
         }
 
-        Uint BackendSamplerObject::GetBackendSamplerId() const {
+        Uint BackendSamplerObject::GetBackendSamplerId() {
 #ifdef TRACY_ENABLE
             ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
 #endif
@@ -1280,7 +1271,8 @@ namespace MobileGL::MG_Backend::DirectGLES {
         }
 
         Array<BackendSamplerObject*, MG_State::GLState::TextureState::MAX_TEXTURE_IMAGE_UNITS> g_boundSamplersCache;
-        StateBackendObjectRegistry<MG_State::GLState::SamplerObject, BackendSamplerObject> g_backendSamplerObjects;
+        UnorderedMap<SharedPtr<MG_State::GLState::SamplerObject>, SharedPtr<BackendSamplerObject>>
+            g_backendSamplerObjects;
     } // namespace SamplerImpl
 
     namespace RenderbufferImpl {
@@ -1295,7 +1287,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             }
         }
 
-        void BackendRenderbufferObject::Bind() const {
+        void BackendRenderbufferObject::Bind() {
 #ifdef TRACY_ENABLE
             ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
 #endif
@@ -1342,7 +1334,9 @@ namespace MobileGL::MG_Backend::DirectGLES {
             MGLOG_D("RBO %u sync completed. backend ID %u", stateRBOObject->GetExternalIndex(), m_backendRBOId);
         }
 
-        StateBackendObjectRegistry<MG_State::GLState::RenderbufferObject, BackendRenderbufferObject>
+        UnorderedMap<SharedPtr<MG_State::GLState::RenderbufferObject>, SharedPtr<BackendRenderbufferObject>>
             g_backendRenderbufferObjects;
     } // namespace RenderbufferImpl
+
+    namespace Utils {} // namespace Utils
 } // namespace MobileGL::MG_Backend::DirectGLES

MobileGL/MG_Backend/DirectGLES/Managers.h

@@ -15,113 +15,19 @@
 #include <MG_State/GLState/Core.h>
 
 namespace MobileGL::MG_Backend::DirectGLES {
-    template <typename StateObject, typename BackendObject>
-    class StateBackendObjectRegistry {
-    public:
-        using StatePtr = SharedPtr<StateObject>;
-        using StateWeakPtr = std::weak_ptr<StateObject>;
-        using BackendPtr = SharedPtr<BackendObject>;
-        using BackendMap = UnorderedMap<StateObject*, BackendPtr>;
-        using StateRefMap = UnorderedMap<StateObject*, StateWeakPtr>;
-        using iterator = typename BackendMap::iterator;
-        using const_iterator = typename BackendMap::const_iterator;
-
-        BackendPtr& GetOrCreate(const StatePtr& stateObj) {
-            MOBILEGL_ASSERT(stateObj != nullptr, "State object must not be null");
-
-            auto* key = stateObj.get();
-            auto trackedStateIt = m_stateRefs.find(key);
-            if (trackedStateIt != m_stateRefs.end() && trackedStateIt->second.expired()) {
-                EraseByKey(key);
-            }
-            m_stateRefs[key] = stateObj;
-            return m_backendObjects[key];
-        }
-
-        iterator find(StateObject* stateObj) {
-            if (!IsAlive(stateObj)) {
-                EraseByKey(stateObj);
-                return m_backendObjects.end();
-            }
-            return m_backendObjects.find(stateObj);
-        }
-
-        const_iterator find(StateObject* stateObj) const {
-            return const_cast<StateBackendObjectRegistry*>(this)->find(stateObj);
-        }
-
-        iterator end() { return m_backendObjects.end(); }
-        const_iterator end() const { return m_backendObjects.end(); }
-
-        void CollectGarbageIfNeeded() {
-            ++m_gcTick;
-            if (m_gcTick < kGCInterval) {
-                return;
-            }
-            CollectGarbage();
-            m_gcTick = 0;
-        }
-
-        void CollectGarbageNow() { CollectGarbage(); }
-
-    private:
-        bool IsAlive(StateObject* stateObj) const {
-            const auto trackedStateIt = m_stateRefs.find(stateObj);
-            if (trackedStateIt == m_stateRefs.end()) {
-                return false;
-            }
-            return !trackedStateIt->second.expired();
-        }
-
-        void EraseByKey(StateObject* stateObj) {
-            m_stateRefs.erase(stateObj);
-            m_backendObjects.erase(stateObj);
-        }
-
-        void CollectGarbage() {
-            if (m_isCollecting) {
-                return;
-            }
-
-            m_isCollecting = true;
-
-            Vector<StateObject*> staleKeys;
-            staleKeys.reserve(m_stateRefs.size());
-            for (const auto& [stateKey, stateWeakRef] : m_stateRefs) {
-                if (stateWeakRef.expired()) {
-                    staleKeys.push_back(stateKey);
-                }
-            }
-
-            for (auto* stateKey : staleKeys) {
-                m_stateRefs.erase(stateKey);
-                m_backendObjects.erase(stateKey);
-            }
-
-            m_isCollecting = false;
-        }
-
-    private:
-        static constexpr Uint32 kGCInterval = 1024;
-        StateRefMap m_stateRefs;
-        BackendMap m_backendObjects;
-        Uint32 m_gcTick = 0;
-        Bool m_isCollecting = false;
-    };
-
     namespace BufferImpl {
         const GLenum TempBufferTarget = GL_ARRAY_BUFFER;
         class BackendBufferObject {
         public:
             BackendBufferObject();
-            void SyncToBackend(const SharedPtr<MG_State::GLState::BufferObject>& stateBufferObject);
-            Uint GetBackendBufferId() const { return m_backendBufferId; }
+            void SyncToBackend(SharedPtr<MG_State::GLState::BufferObject>& stateBufferObject);
+            Uint GetBackendBufferId() { return m_backendBufferId; }
             void Bind(GLenum target = TempBufferTarget);
 
         private:
-            void SyncToBackend_glBufferData(const SharedPtr<MG_State::GLState::BufferObject>& stateBufferObject);
-            void SyncToBackend_glBufferSubData(const SharedPtr<MG_State::GLState::BufferObject>& stateBufferObject);
-            void SyncToBackend_glMapBufferRange(const SharedPtr<MG_State::GLState::BufferObject>& stateBufferObject,
+            void SyncToBackend_glBufferData(SharedPtr<MG_State::GLState::BufferObject>& stateBufferObject);
+            void SyncToBackend_glBufferSubData(SharedPtr<MG_State::GLState::BufferObject>& stateBufferObject);
+            void SyncToBackend_glMapBufferRange(SharedPtr<MG_State::GLState::BufferObject>& stateBufferObject,
                                                 Bool invalidate = true, Bool unsynchronized = true);
 
             Uint m_backendBufferId = 0;
@@ -130,18 +36,21 @@ namespace MobileGL::MG_Backend::DirectGLES {
         };
 
         extern BackendBufferObject* g_boundVertexBufferObject;
-        extern StateBackendObjectRegistry<MG_State::GLState::BufferObject, BackendBufferObject> g_backendBufferObjects;
+        extern UnorderedMap<SharedPtr<MG_State::GLState::BufferObject>, SharedPtr<BackendBufferObject>>
+            g_backendBufferObjects;
     } // namespace BufferImpl
 
     namespace VertexArrayImpl {
         class BackendVertexArrayObject {
         public:
             BackendVertexArrayObject();
-            void SyncToBackend(const SharedPtr<MG_State::GLState::VertexArrayObject>& stateVAOObject);
-            Uint GetBackendVertexArrayId() const { return m_backendVAOId; }
-            void Bind() const;
+            void SyncToBackend(SharedPtr<MG_State::GLState::VertexArrayObject>& stateVAOObject);
+            Uint GetBackendVertexArrayId() { return m_backendVAOId; }
+            void Bind();
 
         private:
+            void BindAttributeBuffer(Uint index, const MG_State::GLState::VertexAttribute& attrib);
+
             Uint m_backendVAOId = 0;
             Bool m_isInitialized = false;
             Uint16 m_syncedIndexBufferVersion = 0;
@@ -149,7 +58,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
                 m_syncedAttributeVersions;
         };
 
-        extern StateBackendObjectRegistry<MG_State::GLState::VertexArrayObject, BackendVertexArrayObject>
+        extern UnorderedMap<SharedPtr<MG_State::GLState::VertexArrayObject>, SharedPtr<BackendVertexArrayObject>>
             g_backendVertexArrayObjects;
     } // namespace VertexArrayImpl
 
@@ -183,11 +92,11 @@ namespace MobileGL::MG_Backend::DirectGLES {
         class BackendTextureObject {
         public:
             BackendTextureObject();
-            void SyncMipmapsToBackend(const SharedPtr<MG_State::GLState::ITextureObject>& stateTextureObject);
-            void SyncBuiltinSamplerToBackend(const SharedPtr<MG_State::GLState::ITextureObject>& stateTextureObject);
-            void SyncTextureParamsToBackend(const SharedPtr<MG_State::GLState::ITextureObject>& stateTextureObject);
+            void SyncMipmapsToBackend(SharedPtr<MG_State::GLState::ITextureObject>& stateTextureObject);
+            void SyncBuiltinSamplerToBackend(SharedPtr<MG_State::GLState::ITextureObject>& stateTextureObject);
+            void SyncTextureParamsToBackend(SharedPtr<MG_State::GLState::ITextureObject>& stateTextureObject);
             void Bind(GLenum target, Uint unit = TempTextureUnit);
-            Uint GetBackendTextureId() const;
+            Uint GetBackendTextureId();
 
         private:
             Uint m_backendTextureId = 0;
@@ -204,7 +113,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
 
         void ActivateTextureUnit(Uint unit);
         void UnbindTexture(Uint unit, GLenum target);
-        extern StateBackendObjectRegistry<MG_State::GLState::ITextureObject, BackendTextureObject>
+        extern UnorderedMap<SharedPtr<MG_State::GLState::ITextureObject>, SharedPtr<BackendTextureObject>>
             g_backendTextureObjects;
         extern Array<Array<BackendTextureObject*, (SizeT)TextureTarget::TextureTargetCount>,
                      MG_State::GLState::TextureState::MAX_TEXTURE_IMAGE_UNITS>
@@ -216,10 +125,13 @@ namespace MobileGL::MG_Backend::DirectGLES {
         class BackendFramebufferObject {
         public:
             BackendFramebufferObject();
-            void SyncToBackend(const SharedPtr<MG_State::GLState::FramebufferObject>& stateFBOObject,
+            void SyncToBackend(SharedPtr<MG_State::GLState::FramebufferObject>& stateFBOObject,
                                FramebufferTarget asTarget);
-            Uint GetBackendFramebufferId() const { return m_backendFBOId; }
-            void Bind(FramebufferTarget target) const;
+            Uint GetBackendFramebufferId() { return m_backendFBOId; }
+            void Bind(FramebufferTarget target);
+            bool SyncAttachmentObject(GLenum glFBOTarget,
+                                      const MG_State::GLState::FramebufferAttachmentObject& attachmentObject,
+                                      GLenum glBackendAttachment);
             //            FramebufferAttachmentType GetCompactedAttachmentTypeAtDrawBufferIndex(Int index);
             GLenum GetBackendAttachmentType(FramebufferAttachmentType frontendAtt) const;
 
@@ -247,7 +159,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             FramebufferObject::FramebufferAttachmentVersionArray m_syncedFrontendAttachmentVersions = {0};
         };
 
-        extern StateBackendObjectRegistry<MG_State::GLState::FramebufferObject, BackendFramebufferObject>
+        extern UnorderedMap<SharedPtr<MG_State::GLState::FramebufferObject>, SharedPtr<BackendFramebufferObject>>
             g_backendFramebufferObjects;
         extern Array<Uint16, SizeT(FramebufferTarget::FramebufferTargetCount)> g_fboBindVersions;
     } // namespace FramebufferImpl
@@ -257,8 +169,8 @@ namespace MobileGL::MG_Backend::DirectGLES {
         public:
             BackendProgramObjectImpl();
             ~BackendProgramObjectImpl();
-            void SyncToBackend(const SharedPtr<MG_State::GLState::ProgramObject>& stateProgramObject);
-            void Use() const;
+            void SyncToBackend(SharedPtr<MG_State::GLState::ProgramObject>& stateProgramObject);
+            void Use();
             Uint GetBackendProgramId() const { return m_backendProgramId; }
             Uint GetBackendGlobalUBOId() const { return m_backendGlobalUBOId; }
 
@@ -268,7 +180,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             Bool m_isInitialized = false;
         };
 
-        extern StateBackendObjectRegistry<MG_State::GLState::ProgramObject, BackendProgramObjectImpl>
+        extern UnorderedMap<SharedPtr<MG_State::GLState::ProgramObject>, SharedPtr<BackendProgramObjectImpl>>
             g_backendProgramObjects;
     } // namespace PrgramImpl
 
@@ -276,9 +188,9 @@ namespace MobileGL::MG_Backend::DirectGLES {
         class BackendSamplerObject {
         public:
             BackendSamplerObject();
-            void SyncToBackend(const SharedPtr<MG_State::GLState::SamplerObject>& stateSamplerObject);
+            void SyncToBackend(SharedPtr<MG_State::GLState::SamplerObject>& stateSamplerObject);
             void Bind(Uint unit);
-            Uint GetBackendSamplerId() const;
+            Uint GetBackendSamplerId();
 
         private:
             Uint m_backendSamplerId = 0;
@@ -291,7 +203,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
 
         extern Array<BackendSamplerObject*, MG_State::GLState::TextureState::MAX_TEXTURE_IMAGE_UNITS>
             g_boundSamplersCache;
-        extern StateBackendObjectRegistry<MG_State::GLState::SamplerObject, BackendSamplerObject>
+        extern UnorderedMap<SharedPtr<MG_State::GLState::SamplerObject>, SharedPtr<BackendSamplerObject>>
             g_backendSamplerObjects;
     } // namespace SamplerImpl
 
@@ -300,8 +212,8 @@ namespace MobileGL::MG_Backend::DirectGLES {
         public:
             BackendRenderbufferObject();
             void SyncToBackend(const SharedPtr<MG_State::GLState::RenderbufferObject>& stateRBOObject);
-            Uint GetBackendRenderbufferId() const { return m_backendRBOId; }
-            void Bind() const;
+            Uint GetBackendRenderbufferId() { return m_backendRBOId; }
+            void Bind();
 
         private:
             Uint m_backendRBOId = 0;
@@ -311,7 +223,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             Int m_cacheHeight = 0;
         };
 
-        extern StateBackendObjectRegistry<MG_State::GLState::RenderbufferObject, BackendRenderbufferObject>
+        extern UnorderedMap<SharedPtr<MG_State::GLState::RenderbufferObject>, SharedPtr<BackendRenderbufferObject>>
             g_backendRenderbufferObjects;
     } // namespace RenderbufferImpl
 } // namespace MobileGL::MG_Backend::DirectGLES

MobileGL/MG_Backend/DirectGLES/Utils.cpp

@@ -19,6 +19,10 @@
 #include <MG_Util/Converters/MGToGL/FramebufferEnumConverter.h>
 
 namespace MobileGL::MG_Backend::DirectGLES {
+    namespace BufferImpl {} // namespace BufferImpl
+
+    namespace VertexArrayImpl {} // namespace VertexArrayImpl
+
     namespace TextureImpl {
         void GenerateTextureFormatInfo(TextureInternalFormat internalFormat, GLenum* outInternalFormat,
                                        GLenum* outFormat, GLenum* outType) {
@@ -32,6 +36,9 @@ namespace MobileGL::MG_Backend::DirectGLES {
                                  outInternalFormat, outFormat, outType);
         }
     } // namespace TextureImpl
+
+    namespace FramebufferImpl {} // namespace FramebufferImpl
+
     namespace PrgramImpl {
         String ProcessOutColorLocations(const String& glslCode) {
 #ifdef TRACY_ENABLE
@@ -159,6 +166,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
                 return GL_UNIFORM_BUFFER_BINDING;
 
             case GL_FRAMEBUFFER:
+                return GL_FRAMEBUFFER_BINDING;
             case GL_DRAW_FRAMEBUFFER:
                 return GL_DRAW_FRAMEBUFFER_BINDING;
             case GL_READ_FRAMEBUFFER:
@@ -168,6 +176,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
                 return GL_RENDERBUFFER_BINDING;
 
             case GL_VERTEX_ARRAY:
+                return GL_VERTEX_ARRAY_BINDING;
             case GL_VERTEX_ARRAY_BINDING:
                 return GL_VERTEX_ARRAY_BINDING;
 

MobileGL/MG_Backend/DirectGLES/Utils.h

@@ -14,15 +14,15 @@ namespace MobileGL::MG_Backend::DirectGLES {
     namespace DebugImpl {
         class ErrorLopper {
         public:
-            static void Loop(const std::function<void(GLenum)>&);
-            static void Clear();
+            void Loop(std::function<void(GLenum)>);
+            void Clear();
             ErrorLopper();
             ~ErrorLopper();
         };
 
         class OpenGLScopeMarker {
         public:
-            explicit OpenGLScopeMarker(const String& scopeName);
+            explicit OpenGLScopeMarker(String scopeName);
             ~OpenGLScopeMarker();
         };
     } // namespace DebugImpl

MobileGL/MG_Backend/DirectVulkan/BackendObject_DirectVulkan.cpp

@@ -1,187 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/BackendObject_DirectVulkan.cpp
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#include "BackendObject_DirectVulkan.h"
-#include "MG_Backend/BackendObject.h"
-#include "DirectVulkan.h"
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    namespace {
-        Bool IsReleaseCurrentRequest(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx) {
-            return dpy == EGL_NO_DISPLAY && draw == EGL_NO_SURFACE && read == EGL_NO_SURFACE && ctx == EGL_NO_CONTEXT;
-        }
-    } // namespace
-
-    BackendObject_DirectVulkan::~BackendObject_DirectVulkan() = default;
-
-    Bool BackendObject_DirectVulkan::InitWindowSurface() {
-        if (!m_windowHandle.Handle) {
-            MGLOG_E("Cannot initialize DirectVulkan window surface: native window handle is null");
-            return false;
-        }
-
-        auto nativeWindow = reinterpret_cast<NativeWindowType>(m_windowHandle.Handle);
-
-        pVulkanRenderer = MakeUnique<MG_Backend::DirectVulkan::VulkanRenderer>(nativeWindow);
-        MOBILEGL_ASSERT(pVulkanRenderer != nullptr, "InitWindowSurface: VulkanRenderer creation failed");
-        pVulkanRenderer->Initialize();
-        return true;
-    }
-
-    void BackendObject_DirectVulkan::Initialize() {
-        m_initialized = true;
-    }
-
-    Bool BackendObject_DirectVulkan::InitCapabilities() {
-        if (!m_initialized) {
-            MGLOG_E("Cannot initialize capabilities before backend is initialized");
-            return false;
-        }
-        if (!pVulkanRenderer) {
-            MGLOG_E("Cannot initialize capabilities: Vulkan renderer has not been created");
-            return false;
-        }
-
-        MG_Util::BackendLoader::FillInVulkanCapabilities(m_vulkanCaps, pVulkanRenderer->GetPhysicalDevice().properties);
-        UpdateDynamicBackendParameters();
-        return true;
-    }
-
-    Bool BackendObject_DirectVulkan::InitializeEGLDisplay(EGLDisplay dpy, EGLint* major, EGLint* minor) {
-        if (!m_initialized) {
-            MGLOG_E("DirectVulkan backend not initialized");
-            return false;
-        }
-        return BackendObject::InitializeEGLDisplay(dpy, major, minor);
-    }
-
-    Bool BackendObject_DirectVulkan::CreateEGLWindowSurface(const WindowHandle& handle) {
-        const std::lock_guard<std::recursive_mutex> lock(m_eglStateMutex);
-        if (!m_initialized) {
-            MGLOG_E("DirectVulkan backend not initialized");
-            return false;
-        }
-        if (handle.Backend != WindowBackend::Android || !handle.Handle) {
-            MGLOG_E("DirectVulkan backend only supports Android native windows");
-            return false;
-        }
-
-        const Bool sameHandle =
-            m_eglWindowSurfaceInitialized && m_windowHandle.Backend == handle.Backend && m_windowHandle.Handle == handle.Handle;
-        if (sameHandle) {
-            return true;
-        }
-
-        if (m_eglWindowSurfaceInitialized || pVulkanRenderer) {
-            pVulkanRenderer.reset();
-            ResetEGLRuntimeState();
-        }
-
-        return BackendObject::CreateEGLWindowSurface(handle);
-    }
-
-    Bool BackendObject_DirectVulkan::MakeEGLCurrent(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx) {
-        const std::lock_guard<std::recursive_mutex> lock(m_eglStateMutex);
-        if (IsReleaseCurrentRequest(dpy, draw, read, ctx)) {
-            return BackendObject::MakeEGLCurrent(dpy, draw, read, ctx);
-        }
-        if (!pVulkanRenderer) {
-            MGLOG_E("DirectVulkan renderer is not initialized");
-            return false;
-        }
-        return BackendObject::MakeEGLCurrent(dpy, draw, read, ctx);
-    }
-
-    Bool BackendObject_DirectVulkan::SwapEGLBuffers(EGLDisplay dpy, EGLSurface draw) {
-        const std::lock_guard<std::recursive_mutex> lock(m_eglStateMutex);
-        if (!pVulkanRenderer) {
-            MGLOG_E("DirectVulkan renderer is not initialized");
-            return false;
-        }
-        return BackendObject::SwapEGLBuffers(dpy, draw);
-    }
-
-    const RendererInfo& BackendObject_DirectVulkan::GetRendererInfo() const {
-        static RendererInfo RendererInfo = {
-            .RendererName = "Magma",          // Renderer Name
-            .BackendName = "Direct (Vulkan)", // Backend Name
-            .ExtraVendor = Nullopt,           // Extra vendor
-            .RendererGLInfo =
-                {
-                    .TargetGLVersion = {3, 3, 0},                      // Target OpenGL Version
-                    .TargetGLSLVersion = {4, 6, 0},                    // Target Shading Language Version
-                    .Extensions = {V_OpenGL30, V_OpenGL31, V_OpenGL32, // OpenGL Extensions
-                                   V_OpenGL33},
-                    .IsCompatibilityProfile = false // Is Compatibility Profile
-                },
-            .StaticBackendCapability = {.AllowVSOnlyPrograms = false} // Backend Capability
-        };
-        return RendererInfo;
-    }
-
-    String BackendObject_DirectVulkan::GetBackendAPIVersionString() const {
-        if (!m_initialized) {
-            return "<uninitialized DirectVulkan backend>";
-        }
-        // Format:
-        // <GPU Name>, Vulkan <Vulkan Version>, Driver <Driver Version>
-        String str = m_vulkanCaps.DeviceName + ", Vulkan " + m_vulkanCaps.VulkanAPIVersion.toString() + ", Driver " +
-                     m_vulkanCaps.DriverVersionString;
-        return str;
-    }
-
-    BackendType BackendObject_DirectVulkan::GetBackendType() const {
-        return BackendType::DirectVulkan;
-    }
-
-    const GlobalBackendFunctionsTable& BackendObject_DirectVulkan::GetBackendFunctions() const {
-        static GlobalBackendFunctionsTable funcsTable;
-        static Bool funcsTableInitialized = false;
-        if (!funcsTableInitialized) {
-            funcsTable.Present = Present;
-            funcsTable.GL.DrawArrays = DrawArrays;
-            funcsTable.GL.DrawElements = DrawElements;
-            funcsTable.GL.DrawElementsBaseVertex = DrawElementsBaseVertex;
-            funcsTable.GL.MultiDrawElements = MultiDrawElements;
-            funcsTable.GL.MultiDrawElementsBaseVertex = MultiDrawElementsBaseVertex;
-            funcsTable.GL.MultiDrawElementsIndirect = MultiDrawElementsIndirect;
-            funcsTable.GL.MultiDrawArraysIndirect = MultiDrawArraysIndirect;
-            funcsTable.GL.DrawRangeElementsBaseVertex = DrawRangeElementsBaseVertex;
-            funcsTable.GL.DrawRangeElements = DrawRangeElements;
-            funcsTable.GL.DrawElementsInstancedBaseVertexBaseInstance = DrawElementsInstancedBaseVertexBaseInstance;
-            funcsTable.GL.DrawElementsInstancedBaseVertex = DrawElementsInstancedBaseVertex;
-            funcsTable.GL.DrawElementsInstancedBaseInstance = DrawElementsInstancedBaseInstance;
-            funcsTable.GL.DrawElementsInstanced = DrawElementsInstanced;
-            funcsTable.GL.DrawArraysInstancedBaseInstance = DrawArraysInstancedBaseInstance;
-            funcsTable.GL.DrawArraysInstanced = DrawArraysInstanced;
-            funcsTable.GL.DrawElementsIndirect = DrawElementsIndirect;
-            funcsTable.GL.DrawArraysIndirect = DrawArraysIndirect;
-            funcsTable.GL.Clear = Clear;
-            funcsTable.GL.ClearBufferfi = ClearBufferfi;
-            funcsTable.GL.ClearBufferfv = ClearBufferfv;
-            funcsTable.GL.ClearBufferuiv = ClearBufferuiv;
-            funcsTable.GL.ClearBufferiv = ClearBufferiv;
-            funcsTable.GL.BlitFramebuffer = BlitFramebuffer;
-            funcsTable.GL.CopyTexImage2D = CopyTexImage2D;
-            funcsTable.GL.CopyTexSubImage2D = CopyTexSubImage2D;
-            funcsTable.GL.GenerateMipmap = GenerateMipmap;
-            funcsTable.GL.ReadPixels = ReadPixels;
-            funcsTable.GL.GetTexImage = GetTexImage;
-            funcsTableInitialized = true;
-        }
-        return funcsTable;
-    }
-
-    const DynamicBackendParameters& BackendObject_DirectVulkan::GetDynamicParameters() const {
-        return m_dynamicParameters;
-    }
-
-    void BackendObject_DirectVulkan::UpdateDynamicBackendParameters() {
-        m_dynamicParameters.UniformBufferOffsetAlignment = m_vulkanCaps.UniformBufferOffsetAlignment;
-    }
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/DirectVulkan.cpp

@@ -1,171 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/DirectVulkan.cpp
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#include "DirectVulkan.h"
-#include "MG_State/GLState/Core.h"
-#include "MG_Impl/GLImpl/Framebuffer/GL_Framebuffer.h"
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    UniquePtr<VulkanRenderer> pVulkanRenderer = nullptr;
-
-    void ClearBufferfi(GLenum buffer, GLint drawbuffer, GLfloat depth, GLint stencil) {}
-    void ClearBufferfv(GLenum buffer, GLint drawbuffer, const GLfloat* value) {}
-    void ClearBufferuiv(GLenum buffer, GLint drawbuffer, const GLuint* value) {}
-    void ClearBufferiv(GLenum buffer, GLint drawbuffer, const GLint* value) {}
-
-    void MultiDrawElementsIndirect(GLenum mode, GLenum type, const void* indirect, GLsizei drawcount, GLsizei stride) {}
-    void MultiDrawArraysIndirect(GLenum mode, const void* indirect, GLsizei drawcount, GLsizei stride) {}
-    void DrawRangeElementsBaseVertex(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type,
-                                     const void* indices, GLint basevertex) {}
-    void DrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const void* indices) {}
-    void DrawElementsInstancedBaseVertexBaseInstance(GLenum mode, GLsizei count, GLenum type, const void* indices,
-                                                     GLsizei instancecount, GLint basevertex, GLuint baseinstance) {}
-    void DrawElementsInstancedBaseVertex(GLenum mode, GLsizei count, GLenum type, const void* indices,
-                                         GLsizei instancecount, GLint basevertex) {}
-    void DrawElementsInstancedBaseInstance(GLenum mode, GLsizei count, GLenum type, const void* indices,
-                                           GLsizei instancecount, GLuint baseinstance) {}
-    void DrawElementsInstanced(GLenum mode, GLsizei count, GLenum type, const void* indices, GLsizei instancecount) {}
-    void DrawElementsIndirect(GLenum mode, GLenum type, const void* indirect) {}
-    void DrawArraysInstancedBaseInstance(GLenum mode, GLint first, GLsizei count, GLsizei instancecount,
-                                         GLuint baseinstance) {}
-    void DrawArraysInstanced(GLenum mode, GLint first, GLsizei count, GLsizei instancecount) {}
-    void DrawArraysIndirect(GLenum mode, const void* indirect) {}
-    void CopyTexImage2D(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width,
-                        GLsizei height, GLint border) {}
-    void CopyTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width,
-                           GLsizei height) {}
-    void GenerateMipmap(GLenum target) {}
-    void ReadPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, void* pixels) {}
-    void GetTexImage(GLenum target, GLint level, GLenum format, GLenum type, GLvoid* pixels) {}
-
-    void Clear(GLbitfield mask) {
-        MOBILEGL_ASSERT(pVulkanRenderer, "DirectVulkan::Clear called with null VulkanRenderer");
-        MOBILEGL_ASSERT(MG_State::pGLContext, "DirectVulkan::Clear called with null GL context");
-        pVulkanRenderer->Clear(mask);
-    }
-
-    void DrawArrays(GLenum mode, GLint first, GLsizei count) {
-        MOBILEGL_ASSERT(pVulkanRenderer, "DirectVulkan::DrawArrays called with null VulkanRenderer");
-        MOBILEGL_ASSERT(MG_State::pGLContext, "DirectVulkan::DrawArrays called with null GL context");
-
-        DrawCmd payload{};
-        payload.mode = mode;
-        payload.params.firstVertex = first;
-        payload.params.vertexCount = count;
-
-        pVulkanRenderer->DrawArrays(payload);
-    }
-
-    void DrawElements(GLenum mode, GLsizei count, GLenum type, const void* indices) {
-        MOBILEGL_ASSERT(pVulkanRenderer, "DirectVulkan::DrawElements called with null VulkanRenderer");
-        MOBILEGL_ASSERT(MG_State::pGLContext, "DirectVulkan::DrawElements called with null GL context");
-
-        DrawIndexedCmd payload{};
-        payload.mode = mode;
-        payload.indexBufferView.indexType = type;
-        payload.indexBufferView.indexByteOffset = reinterpret_cast<SizeT>(indices);
-        payload.indexBufferView.indexByteSize = count * MG_Util::GetGLTypeSize(type);
-        payload.params.indexCount = count;
-        payload.params.instanceCount = 1;
-
-        pVulkanRenderer->DrawElements(payload);
-    }
-
-    void MultiDrawElements(GLenum mode, const GLsizei* count, GLenum type, const GLvoid* const* indices,
-                           GLsizei drawcount) {
-        MOBILEGL_ASSERT(pVulkanRenderer, "DirectVulkan::MultiDrawElements called with null VulkanRenderer");
-        MOBILEGL_ASSERT(MG_State::pGLContext, "DirectVulkan::MultiDrawElements called with null GL context");
-
-        // Vector<DrawElementCmd> cmds;
-        // cmds.reserve(static_cast<SizeT>(drawcount));
-        // for (GLsizei i = 0; i < drawcount; ++i) {
-        //     if (count[i] == 0) {
-        //         continue;
-        //     }
-        //
-        //     DrawElementCmd payload{};
-        //     payload.mode = mode;
-        //     payload.firstVertex = 0;
-        //     payload.indexCount = count[i];
-        //     payload.indexType = type;
-        //     payload.indexByteOffset = reinterpret_cast<SizeT>(indices[i]);
-        //     cmds.push_back(payload);
-        // }
-        //
-        // if (cmds.empty()) {
-        //     return;
-        // }
-        // pVulkanRenderer->MultiDrawElements(cmds);
-    }
-
-    void DrawElementsBaseVertex(GLenum mode, GLsizei count, GLenum type, const GLvoid* indices, GLint basevertex) {
-        MOBILEGL_ASSERT(pVulkanRenderer, "DirectVulkan::DrawElementsBaseVertex called with null VulkanRenderer");
-        MOBILEGL_ASSERT(MG_State::pGLContext, "DirectVulkan::DrawElementsBaseVertex called with null GL context");
-        DrawIndexedCmd payload{};
-        payload.mode = mode;
-        payload.indexBufferView.indexType = type;
-        payload.indexBufferView.indexByteOffset = reinterpret_cast<SizeT>(indices);
-        payload.indexBufferView.indexByteSize = count * MG_Util::GetGLTypeSize(type);
-        payload.params.indexCount = count;
-        payload.params.instanceCount = 1;
-        payload.params.firstIndex = 0;
-        payload.params.vertexOffset = basevertex;
-        payload.params.firstInstance = 0;
-        pVulkanRenderer->DrawElements(payload);
-    }
-
-    void MultiDrawElementsBaseVertex(GLenum mode, const GLsizei* count, GLenum type, const GLvoid* const* indices,
-                                     GLsizei drawcount, const GLint* basevertex) {
-        MOBILEGL_ASSERT(pVulkanRenderer, "DirectVulkan::MultiDrawElements called with null VulkanRenderer");
-        MOBILEGL_ASSERT(MG_State::pGLContext, "DirectVulkan::MultiDrawElements called with null GL context");
-        MultiDrawIndexedCmd payload{};
-        payload.mode = mode;
-        payload.indexBufferView.indexType = type;
-
-        // TODO: allocate draw cmd buf elsewhere
-        static Vector<DrawIndexedCmdParam> params;
-        params.clear();
-        params.resize(drawcount);
-
-        for (GLsizei i = 0; i < drawcount; ++i) {
-            if (count[i] == 0) {
-                continue;
-            }
-
-            // TODO: this index view needs a redesign, now there's a lotta redundant uploads
-
-            payload.indexBufferView.indexByteOffset = 0;
-            payload.indexBufferView.indexByteSize =
-                    std::max(reinterpret_cast<SizeT>(indices[i]) + count[i] * MG_Util::GetGLTypeSize(type),
-                             payload.indexBufferView.indexByteSize);
-
-            auto& param = params[i];
-
-            param.indexCount = count[i];
-            param.instanceCount = 1;
-            param.firstIndex = reinterpret_cast<SizeT>(indices[i]) / MG_Util::GetGLTypeSize(type);
-            param.vertexOffset = basevertex[i];
-            param.firstInstance = 0;
-        }
-        payload.drawCount = drawcount;
-        payload.pParams = params.data();
-        pVulkanRenderer->MultiDrawElements(payload);
-    }
-
-    void BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1,
-                         GLint dstY1, GLbitfield mask, GLenum filter) {
-        MOBILEGL_ASSERT(pVulkanRenderer, "DirectVulkan::BlitFramebuffer called with null VulkanRenderer");
-        MOBILEGL_ASSERT(MG_State::pGLContext, "DirectVulkan::BlitFramebuffer called with null GL context");
-        pVulkanRenderer->BlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
-    }
-
-    void Present() {
-        MOBILEGL_ASSERT(pVulkanRenderer, "DirectVulkan::Present called with null VulkanRenderer");
-        pVulkanRenderer->Present();
-    }
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/BufferArena.cpp

@@ -1,138 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/BufferArena.cpp
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#include "BufferArena.h"
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    Bool BufferArena::Initialize(const BufferArenaDesc& desc) {
-        Shutdown();
-
-        MOBILEGL_ASSERT(desc.allocator != nullptr, "BufferArena::Initialize requires valid allocator");
-        MOBILEGL_ASSERT(desc.frameCount > 0, "BufferArena::Initialize requires non-zero frame count");
-        MOBILEGL_ASSERT(desc.usage != 0, "BufferArena::Initialize requires non-zero buffer usage");
-
-        m_desc = desc;
-        m_frames.clear();
-        m_frames.resize(desc.frameCount);
-        m_deferredReleases.resize(desc.frameCount);
-        return true;
-    }
-
-    void BufferArena::Shutdown() {
-        for (auto& frame : m_frames) {
-            frame.buffer.Destroy();
-            frame.writeCursor = 0;
-        }
-        m_frames.clear();
-        m_deferredReleases.clear();
-        m_desc = {};
-    }
-
-    void BufferArena::BeginFrame(Uint32 frameIndex) {
-        CollectDeferredReleases(frameIndex);
-        ResetFrame(frameIndex);
-    }
-
-    void BufferArena::ResetFrame(Uint32 frameIndex) {
-        AssertValidFrameIndex(frameIndex);
-        m_frames[frameIndex].writeCursor = 0;
-    }
-
-    void BufferArena::CollectDeferredReleases(Uint32 frameIndex) {
-        AssertValidFrameIndex(frameIndex);
-        m_deferredReleases[frameIndex].clear();
-    }
-
-    Bool BufferArena::Allocate(Uint32 frameIndex, VkDeviceSize size, VkDeviceSize alignment, BufferSlice& outSlice) {
-        AssertValidFrameIndex(frameIndex);
-        MOBILEGL_ASSERT(size > 0, "BufferArena::Allocate requires non-zero size");
-
-        auto& frame = m_frames[frameIndex];
-        const VkDeviceSize resolvedAlignment = alignment > 0 ? alignment : 1;
-        const VkDeviceSize offset = (frame.writeCursor + resolvedAlignment - 1) & ~(resolvedAlignment - 1);
-        const VkDeviceSize endOffset = offset + size;
-
-        if (!EnsureCapacity(frameIndex, endOffset)) {
-            return false;
-        }
-
-        frame.writeCursor = endOffset;
-        outSlice = frame.buffer.GetSlice(offset, size);
-        return outSlice.IsValid();
-    }
-
-    Bool BufferArena::Upload(Uint32 frameIndex, const void* data, VkDeviceSize size, VkDeviceSize alignment,
-                             BufferSlice& outSlice) {
-        MOBILEGL_ASSERT(data != nullptr || size == 0, "BufferArena::Upload data pointer is null");
-        if (!Allocate(frameIndex, size, alignment, outSlice)) {
-            return false;
-        }
-
-        if (outSlice.mapped != nullptr) {
-            Memcpy(outSlice.mapped, data, static_cast<SizeT>(size));
-            return true;
-        }
-
-        return m_frames[frameIndex].buffer.Upload(data, size, outSlice.offset);
-    }
-
-    VkDeviceSize BufferArena::GetWriteCursor(Uint32 frameIndex) const {
-        AssertValidFrameIndex(frameIndex);
-        return m_frames[frameIndex].writeCursor;
-    }
-
-    Uint32 BufferArena::GetFrameCount() const {
-        return static_cast<Uint32>(m_frames.size());
-    }
-
-    Bool BufferArena::EnsureCapacity(Uint32 frameIndex, VkDeviceSize requiredEndOffset) {
-        AssertValidFrameIndex(frameIndex);
-        auto& frame = m_frames[frameIndex];
-        auto& buffer = frame.buffer;
-
-        if (buffer.IsValid() && buffer.GetSize() >= requiredEndOffset) {
-            return true;
-        }
-
-        VkDeviceSize newCapacity = buffer.IsValid() ? buffer.GetSize() : 0;
-        if (newCapacity < m_desc.minBufferSize) {
-            newCapacity = m_desc.minBufferSize;
-        }
-        if (newCapacity == 0) {
-            newCapacity = requiredEndOffset;
-        }
-        while (newCapacity < requiredEndOffset) {
-            newCapacity *= 2;
-        }
-
-        if (buffer.IsValid()) {
-            m_deferredReleases[frameIndex].push_back(std::move(buffer));
-        }
-
-        VkBufferObjectDesc bufferDesc{};
-        bufferDesc.allocator = m_desc.allocator;
-        bufferDesc.size = newCapacity;
-        bufferDesc.usage = m_desc.usage;
-        bufferDesc.memoryUsage = m_desc.memoryUsage;
-        bufferDesc.allocationFlags = m_desc.allocationFlags;
-        if (!buffer.Create(bufferDesc)) {
-            return false;
-        }
-        if (m_desc.persistentlyMapped && buffer.Map() == nullptr) {
-            buffer.Destroy();
-            return false;
-        }
-
-        frame.writeCursor = 0;
-        return true;
-    }
-
-    void BufferArena::AssertValidFrameIndex(Uint32 frameIndex) const {
-        MOBILEGL_ASSERT(frameIndex < m_frames.size(), "BufferArena frame index out of range");
-    }
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/BufferArena.h

@@ -1,56 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/BufferArena.h
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#pragma once
-
-#include "BufferSlice.h"
-#include "VkBufferObject.h"
-#include "../VkIncludes.h"
-#include <Includes.h>
-#include <vk_mem_alloc.h>
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    struct BufferArenaDesc {
-        VmaAllocator allocator = nullptr;
-        Uint32 frameCount = 0;
-        VkBufferUsageFlags usage = 0;
-        VmaMemoryUsage memoryUsage = VMA_MEMORY_USAGE_AUTO;
-        VmaAllocationCreateFlags allocationFlags = 0;
-        VkDeviceSize minBufferSize = 0;
-        Bool persistentlyMapped = false;
-    };
-
-    class BufferArena {
-    public:
-        Bool Initialize(const BufferArenaDesc& desc);
-        void Shutdown();
-
-        void BeginFrame(Uint32 frameIndex);
-        void ResetFrame(Uint32 frameIndex);
-        void CollectDeferredReleases(Uint32 frameIndex);
-
-        Bool Allocate(Uint32 frameIndex, VkDeviceSize size, VkDeviceSize alignment, BufferSlice& outSlice);
-        Bool Upload(Uint32 frameIndex, const void* data, VkDeviceSize size, VkDeviceSize alignment, BufferSlice& outSlice);
-
-        VkDeviceSize GetWriteCursor(Uint32 frameIndex) const;
-        Uint32 GetFrameCount() const;
-
-    private:
-        struct FrameResources {
-            VkBufferObject buffer;
-            VkDeviceSize writeCursor = 0;
-        };
-
-        Bool EnsureCapacity(Uint32 frameIndex, VkDeviceSize requiredEndOffset);
-        void AssertValidFrameIndex(Uint32 frameIndex) const;
-
-        BufferArenaDesc m_desc{};
-        Vector<FrameResources> m_frames;
-        Vector<Vector<VkBufferObject>> m_deferredReleases;
-    };
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/BufferSlice.h

@@ -1,23 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/BufferSlice.h
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#pragma once
-
-#include "../VkIncludes.h"
-#include <Includes.h>
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    struct BufferSlice {
-        VkBuffer buffer = VK_NULL_HANDLE;
-        VkDeviceSize offset = 0;
-        VkDeviceSize size = 0;
-        void* mapped = nullptr;
-
-        Bool IsValid() const { return buffer != VK_NULL_HANDLE; }
-    };
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/FrameContext.cpp

@@ -1,281 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/FrameContext.cpp
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#include "FrameContext.h"
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    VkResult FrameContext::Initialize(VkDevice device, VkCommandPool commandPool, Uint32 frameCount) {
-        Destroy(device, commandPool);
-        m_frames.assign(frameCount, {});
-        currentFrameIndex = 0;
-
-        Vector<VkCommandBuffer> commandBuffers(frameCount, VK_NULL_HANDLE);
-        VkCommandBufferAllocateInfo allocInfo{};
-        allocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
-        allocInfo.commandPool = commandPool;
-        allocInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
-        allocInfo.commandBufferCount = frameCount;
-        VkResult result = vkAllocateCommandBuffers(device, &allocInfo, commandBuffers.data());
-        if (result != VK_SUCCESS) {
-            return result;
-        }
-        for (Uint32 i = 0; i < frameCount; ++i) {
-            m_frames[i].commandBuffer = commandBuffers[i];
-        }
-
-        VkSemaphoreCreateInfo semaphoreInfo{VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO};
-        VkFenceCreateInfo fenceInfo{VK_STRUCTURE_TYPE_FENCE_CREATE_INFO};
-        fenceInfo.flags = VK_FENCE_CREATE_SIGNALED_BIT;
-
-        for (Uint32 i = 0; i < frameCount; ++i) {
-            result = CreateSyncObjectsForFrame(device, i, semaphoreInfo, fenceInfo);
-            if (result != VK_SUCCESS) {
-                Destroy(device, commandPool);
-                return result;
-            }
-        }
-
-        return VK_SUCCESS;
-    }
-
-    void FrameContext::Destroy(VkDevice device, VkCommandPool commandPool) {
-        const Uint32 frameCount = static_cast<Uint32>(m_frames.size());
-        Vector<VkCommandBuffer> commandBuffers(frameCount, VK_NULL_HANDLE);
-        for (Uint32 i = 0; i < frameCount; ++i) {
-            commandBuffers[i] = m_frames[i].commandBuffer;
-        }
-
-        for (Uint32 i = 0; i < frameCount; ++i) {
-            DestroySyncObjectsForFrame(device, i);
-        }
-        DestroySwapchainSemaphores(device);
-        if (device != VK_NULL_HANDLE && commandPool != VK_NULL_HANDLE && !m_frames.empty()) {
-            vkFreeCommandBuffers(device, commandPool, frameCount, commandBuffers.data());
-        }
-        m_frames.clear();
-        currentFrameIndex = 0;
-    }
-
-    FrameContext::FrameData& FrameContext::GetCurrent() {
-        MOBILEGL_ASSERT(!m_frames.empty(), "FrameContext is not initialized");
-        return m_frames[currentFrameIndex];
-    }
-
-    const FrameContext::FrameData& FrameContext::GetCurrent() const {
-        MOBILEGL_ASSERT(!m_frames.empty(), "FrameContext is not initialized");
-        return m_frames[currentFrameIndex];
-    }
-
-    Bool FrameContext::IsCommandRecording() const {
-        return GetCurrent().isCommandRecording;
-    }
-
-    void FrameContext::AdvanceToNext() {
-        MOBILEGL_ASSERT(!m_frames.empty(), "FrameContext is not initialized");
-        currentFrameIndex = (currentFrameIndex + 1) % static_cast<Uint32>(m_frames.size());
-        GetCurrent().isCommandRecording = false;
-        GetCurrent().hasCommandBufferRecorded = false;
-    }
-
-    VkCommandBuffer& FrameContext::BeginCommandRecording(VkCommandBufferUsageFlags flags,
-                                                         const VkCommandBufferInheritanceInfo* pInheritanceInfo) {
-        auto& frame = GetCurrent();
-        MOBILEGL_ASSERT(!frame.isCommandRecording, "BeginCommandRecording called while command buffer is already recording");
-
-        frame.hasCommandBufferRecorded = false;
-        VK_VERIFY(vkResetCommandBuffer(frame.commandBuffer, 0), "BeginCommandRecording, vkResetCommandBuffer");
-
-        VkCommandBufferBeginInfo beginInfo{};
-        beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
-        beginInfo.flags = flags;
-        beginInfo.pInheritanceInfo = pInheritanceInfo;
-        VK_VERIFY(vkBeginCommandBuffer(frame.commandBuffer, &beginInfo), "BeginCommandRecording, vkBeginCommandBuffer");
-
-        frame.isCommandRecording = true;
-        return frame.commandBuffer;
-    }
-
-    void FrameContext::EndCommandRecording() {
-        auto& frame = GetCurrent();
-        MOBILEGL_ASSERT(frame.isCommandRecording, "EndCommandRecording called without active command buffer recording");
-        VK_VERIFY(vkEndCommandBuffer(frame.commandBuffer), "EndCommandRecording, vkEndCommandBuffer");
-        frame.isCommandRecording = false;
-        frame.hasCommandBufferRecorded = true;
-    }
-
-    VkResult FrameContext::InitializeSwapchainSemaphores(VkDevice device, Uint32 swapchainImageCount) {
-        DestroySwapchainSemaphores(device);
-        if (swapchainImageCount == 0) {
-            return VK_SUCCESS;
-        }
-
-        m_swapchainImageRenderFinishedSemaphores.assign(swapchainImageCount, VK_NULL_HANDLE);
-        VkSemaphoreCreateInfo semaphoreInfo{VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO};
-        for (Uint32 imageIndex = 0; imageIndex < swapchainImageCount; ++imageIndex) {
-            VkResult result =
-                vkCreateSemaphore(device, &semaphoreInfo, nullptr, &m_swapchainImageRenderFinishedSemaphores[imageIndex]);
-            if (result != VK_SUCCESS) {
-                DestroySwapchainSemaphores(device);
-                return result;
-            }
-        }
-        return VK_SUCCESS;
-    }
-
-    void FrameContext::DestroySwapchainSemaphores(VkDevice device) {
-        if (device != VK_NULL_HANDLE) {
-            for (auto semaphore : m_swapchainImageRenderFinishedSemaphores) {
-                if (semaphore != VK_NULL_HANDLE) {
-                    vkDestroySemaphore(device, semaphore, nullptr);
-                }
-            }
-        }
-        m_swapchainImageRenderFinishedSemaphores.clear();
-    }
-
-    Bool FrameContext::TransitionToPresent(VkImage image, VkImageLayout oldLayout, VkImageLayout presentLayout) {
-        auto& frame = GetCurrent();
-        if (frame.hasCommandBufferRecorded || frame.isCommandRecording || oldLayout == presentLayout ||
-            oldLayout == VK_IMAGE_LAYOUT_SHARED_PRESENT_KHR) {
-            return false;
-        }
-
-        auto& commandBuffer = BeginCommandRecording();
-
-        VkImageMemoryBarrier presentBarrier{};
-        presentBarrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
-        presentBarrier.srcAccessMask = 0;
-        presentBarrier.dstAccessMask = 0;
-        presentBarrier.oldLayout = oldLayout;
-        presentBarrier.newLayout = presentLayout;
-        presentBarrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
-        presentBarrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
-        presentBarrier.image = image;
-        presentBarrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
-        presentBarrier.subresourceRange.baseMipLevel = 0;
-        presentBarrier.subresourceRange.levelCount = 1;
-        presentBarrier.subresourceRange.baseArrayLayer = 0;
-        presentBarrier.subresourceRange.layerCount = 1;
-        vkCmdPipelineBarrier(commandBuffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0, 0,
-                             nullptr, 0, nullptr, 1, &presentBarrier);
-
-        EndCommandRecording();
-        return true;
-    }
-
-    FrameContext::SubmitInfoPacket FrameContext::GetSubmitInfo(Bool shouldSubmitCommandBuffer,
-                                                               Uint32 swapchainImageIndex) const {
-        const auto& frame = GetCurrent();
-        MOBILEGL_ASSERT(!frame.isCommandRecording, "GetSubmitInfo called while command buffer recording is still active");
-        AssertValidSwapchainImageIndex(swapchainImageIndex);
-        SubmitInfoPacket packet{};
-        packet.waitSemaphore = frame.imageAvailableSemaphore;
-        packet.signalSemaphore = m_swapchainImageRenderFinishedSemaphores[swapchainImageIndex];
-        packet.commandBuffer = frame.commandBuffer;
-
-        packet.submitInfo.waitSemaphoreCount = 1;
-        packet.submitInfo.pWaitSemaphores = &packet.waitSemaphore;
-        packet.submitInfo.pWaitDstStageMask = &packet.waitDstStageMask;
-        packet.submitInfo.commandBufferCount = shouldSubmitCommandBuffer ? 1U : 0U;
-        packet.submitInfo.pCommandBuffers = shouldSubmitCommandBuffer ? &packet.commandBuffer : nullptr;
-        packet.submitInfo.signalSemaphoreCount = 1;
-        packet.submitInfo.pSignalSemaphores = &packet.signalSemaphore;
-        return packet;
-    }
-
-    FrameContext::PresentInfoPacket FrameContext::GetPresentInfo(VkSwapchainKHR swapchain, const Uint32& imageIndex) const {
-        AssertValidSwapchainImageIndex(imageIndex);
-        PresentInfoPacket packet{};
-        packet.waitSemaphore = m_swapchainImageRenderFinishedSemaphores[imageIndex];
-        packet.swapchain = swapchain;
-        packet.imageIndex = &imageIndex;
-
-        packet.presentInfo.waitSemaphoreCount = 1;
-        packet.presentInfo.pWaitSemaphores = &packet.waitSemaphore;
-        packet.presentInfo.swapchainCount = 1;
-        packet.presentInfo.pSwapchains = &packet.swapchain;
-        packet.presentInfo.pImageIndices = packet.imageIndex;
-        packet.presentInfo.pResults = nullptr;
-        return packet;
-    }
-
-    VkResult FrameContext::WaitAndAcquireNextImage(VkDevice device, VkSwapchainKHR swapchain, Uint32& outImageIndex,
-                                                   Uint64 timeout, VkFence acquireFence) {
-        auto& frame = GetCurrent();
-        VkResult result = vkWaitForFences(device, 1, &frame.imageInFlightFence, VK_TRUE, timeout);
-        if (result != VK_SUCCESS) {
-            return result;
-        }
-
-        result = vkResetFences(device, 1, &frame.imageInFlightFence);
-        if (result != VK_SUCCESS) {
-            return result;
-        }
-
-        return vkAcquireNextImageKHR(device, swapchain, timeout, frame.imageAvailableSemaphore, acquireFence,
-                                     &outImageIndex);
-    }
-
-    Uint32 FrameContext::GetCurrentFrameIndex() const {
-        return currentFrameIndex;
-    }
-
-    Uint32 FrameContext::GetFrameCount() const {
-        return static_cast<Uint32>(m_frames.size());
-    }
-
-    void FrameContext::AssertValidFrameIndex(Uint32 frameIndex) const {
-        MOBILEGL_ASSERT(frameIndex < m_frames.size(), "FrameContext index out of range");
-    }
-
-    void FrameContext::AssertValidSwapchainImageIndex(Uint32 imageIndex) const {
-        MOBILEGL_ASSERT(imageIndex < m_swapchainImageRenderFinishedSemaphores.size(),
-                        "FrameContext swapchain image index out of range");
-    }
-
-    VkResult FrameContext::CreateSyncObjectsForFrame(VkDevice device, Uint32 frameIndex,
-                                                     const VkSemaphoreCreateInfo& semaphoreInfo,
-                                                     const VkFenceCreateInfo& fenceInfo) {
-        AssertValidFrameIndex(frameIndex);
-        DestroySyncObjectsForFrame(device, frameIndex);
-
-        auto& frame = m_frames[frameIndex];
-        VkResult result =
-            vkCreateSemaphore(device, &semaphoreInfo, nullptr, &frame.imageAvailableSemaphore);
-        if (result != VK_SUCCESS) {
-            return result;
-        }
-
-        result = vkCreateFence(device, &fenceInfo, nullptr, &frame.imageInFlightFence);
-        if (result != VK_SUCCESS) {
-            vkDestroySemaphore(device, frame.imageAvailableSemaphore, nullptr);
-            frame.imageAvailableSemaphore = VK_NULL_HANDLE;
-            return result;
-        }
-
-        frame.hasCommandBufferRecorded = false;
-        frame.isCommandRecording = false;
-        return VK_SUCCESS;
-    }
-
-    void FrameContext::DestroySyncObjectsForFrame(VkDevice device, Uint32 frameIndex) {
-        AssertValidFrameIndex(frameIndex);
-        auto& frame = m_frames[frameIndex];
-        if (device != VK_NULL_HANDLE && frame.imageInFlightFence != VK_NULL_HANDLE) {
-            vkDestroyFence(device, frame.imageInFlightFence, nullptr);
-        }
-        frame.imageInFlightFence = VK_NULL_HANDLE;
-
-        if (device != VK_NULL_HANDLE && frame.imageAvailableSemaphore != VK_NULL_HANDLE) {
-            vkDestroySemaphore(device, frame.imageAvailableSemaphore, nullptr);
-        }
-        frame.imageAvailableSemaphore = VK_NULL_HANDLE;
-        frame.isCommandRecording = false;
-        frame.hasCommandBufferRecorded = false;
-    }
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/FrameContext.h

@@ -1,76 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/FrameContext.h
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#pragma once
-
-#include "../VkIncludes.h"
-#include <Includes.h>
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    class FrameContext {
-    public:
-        struct SubmitInfoPacket {
-            VkPipelineStageFlags waitDstStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
-            VkSemaphore waitSemaphore = VK_NULL_HANDLE;
-            VkSemaphore signalSemaphore = VK_NULL_HANDLE;
-            VkCommandBuffer commandBuffer = VK_NULL_HANDLE;
-            VkSubmitInfo submitInfo{VK_STRUCTURE_TYPE_SUBMIT_INFO};
-        };
-
-        struct PresentInfoPacket {
-            VkSemaphore waitSemaphore = VK_NULL_HANDLE;
-            VkSwapchainKHR swapchain = VK_NULL_HANDLE;
-            const Uint32* imageIndex = nullptr;
-            VkPresentInfoKHR presentInfo{VK_STRUCTURE_TYPE_PRESENT_INFO_KHR};
-        };
-
-        struct FrameData {
-            VkCommandBuffer commandBuffer = VK_NULL_HANDLE;
-            VkSemaphore imageAvailableSemaphore = VK_NULL_HANDLE;
-            VkFence imageInFlightFence = VK_NULL_HANDLE;
-            Bool isCommandRecording = false;
-            Bool hasCommandBufferRecorded = false;
-        };
-
-        VkResult Initialize(VkDevice device, VkCommandPool commandPool, Uint32 frameCount);
-        void Destroy(VkDevice device, VkCommandPool commandPool);
-
-        // Lifecycle functions
-        FrameData& GetCurrent();
-        const FrameData& GetCurrent() const;
-        Bool IsCommandRecording() const;
-        void AdvanceToNext();
-        VkCommandBuffer& BeginCommandRecording(VkCommandBufferUsageFlags flags = 0,
-                                               const VkCommandBufferInheritanceInfo* pInheritanceInfo = nullptr);
-        void EndCommandRecording();
-        VkResult InitializeSwapchainSemaphores(VkDevice device, Uint32 swapchainImageCount);
-        void DestroySwapchainSemaphores(VkDevice device);
-        Bool TransitionToPresent(VkImage image, VkImageLayout oldLayout,
-                                 VkImageLayout presentLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR);
-        SubmitInfoPacket GetSubmitInfo(Bool shouldSubmitCommandBuffer, Uint32 swapchainImageIndex) const;
-        PresentInfoPacket GetPresentInfo(VkSwapchainKHR swapchain, const Uint32& imageIndex) const;
-        VkResult WaitAndAcquireNextImage(VkDevice device, VkSwapchainKHR swapchain, Uint32& outImageIndex,
-                                         Uint64 timeout = UINT64_MAX, VkFence acquireFence = VK_NULL_HANDLE);
-
-        Uint32 GetCurrentFrameIndex() const;
-        Uint32 GetFrameCount() const;
-
-    private:
-        void AssertValidFrameIndex(Uint32 frameIndex) const;
-        void AssertValidSwapchainImageIndex(Uint32 imageIndex) const;
-
-        VkResult CreateSyncObjectsForFrame(VkDevice device, Uint32 frameIndex,
-                                           const VkSemaphoreCreateInfo& semaphoreInfo,
-                                           const VkFenceCreateInfo& fenceInfo);
-        void DestroySyncObjectsForFrame(VkDevice device, Uint32 frameIndex);
-
-        Vector<FrameData> m_frames;
-        Vector<VkSemaphore> m_swapchainImageRenderFinishedSemaphores;
-        Uint32 currentFrameIndex = 0;
-    };
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/PipelineFactory.cpp

@@ -1,131 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/PipelineFactory.cpp
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#include "PipelineFactory.h"
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    PipelineFactory::~PipelineFactory() {
-        DestroyAll();
-    }
-
-    PipelineFactory::HashType PipelineFactory::ComputeHash(const PipelineCreatePayload& payload) const {
-        XXHASH_VERIFY(XXH64_reset(m_hashState, m_config.CacheVersion));
-        XXHASH_VERIFY(XXH64_update(m_hashState, &payload.programHash, sizeof(payload.programHash)));
-        XXHASH_VERIFY(XXH64_update(m_hashState, &payload.vertexInputHash, sizeof(payload.vertexInputHash)));
-        XXHASH_VERIFY(XXH64_update(m_hashState, &payload.pipelineLayout, sizeof(payload.pipelineLayout)));
-        XXHASH_VERIFY(XXH64_update(m_hashState, &payload.renderPass, sizeof(payload.renderPass)));
-        XXHASH_VERIFY(XXH64_update(m_hashState, &payload.subpass, sizeof(payload.subpass)));
-        XXHASH_VERIFY(XXH64_update(m_hashState, &payload.topology, sizeof(payload.topology)));
-        XXHASH_VERIFY(XXH64_update(m_hashState, &payload.cullMode, sizeof(payload.cullMode)));
-        XXHASH_VERIFY(XXH64_update(m_hashState, &payload.frontFace, sizeof(payload.frontFace)));
-        XXHASH_VERIFY(XXH64_update(m_hashState, &payload.depthTestEnable, sizeof(payload.depthTestEnable)));
-        XXHASH_VERIFY(XXH64_update(m_hashState, &payload.depthWriteEnable, sizeof(payload.depthWriteEnable)));
-        XXHASH_VERIFY(XXH64_update(m_hashState, &payload.depthCompareOp, sizeof(payload.depthCompareOp)));
-        XXHASH_VERIFY(XXH64_update(m_hashState, &payload.blendEnable, sizeof(payload.blendEnable)));
-        XXHASH_VERIFY(XXH64_update(m_hashState, &payload.srcColorBlendFactor, sizeof(payload.srcColorBlendFactor)));
-        XXHASH_VERIFY(XXH64_update(m_hashState, &payload.dstColorBlendFactor, sizeof(payload.dstColorBlendFactor)));
-        XXHASH_VERIFY(XXH64_update(m_hashState, &payload.srcAlphaBlendFactor, sizeof(payload.srcAlphaBlendFactor)));
-        XXHASH_VERIFY(XXH64_update(m_hashState, &payload.dstAlphaBlendFactor, sizeof(payload.dstAlphaBlendFactor)));
-        XXHASH_VERIFY(XXH64_update(m_hashState, &payload.colorWriteMask, sizeof(payload.colorWriteMask)));
-        return XXH64_digest(m_hashState);
-    }
-
-    VkPipeline PipelineFactory::GetOrCreatePipeline(const PipelineCreatePayload& payload) {
-        const HashType hash = ComputeHash(payload);
-        auto it = m_cache.find(hash);
-        if (it != m_cache.end()) {
-            return it->second;
-        }
-
-        VkPipeline pipeline = CreatePipeline(payload);
-        m_cache.emplace(hash, pipeline);
-        return pipeline;
-    }
-
-    void PipelineFactory::DestroyAll() {
-        for (auto& pair : m_cache) {
-            if (pair.second != VK_NULL_HANDLE) {
-                vkDestroyPipeline(m_device, pair.second, nullptr);
-            }
-        }
-        m_cache.clear();
-    }
-
-    VkPipeline PipelineFactory::CreatePipeline(const PipelineCreatePayload& payload) const {
-        MOBILEGL_ASSERT(payload.stages != nullptr && !payload.stages->empty(), "PipelineFactory: stages are empty");
-        MOBILEGL_ASSERT(payload.vertexInputState != nullptr, "PipelineFactory: vertexInputState is null");
-        MOBILEGL_ASSERT(payload.pipelineLayout != VK_NULL_HANDLE, "PipelineFactory: pipelineLayout is null");
-        MOBILEGL_ASSERT(payload.renderPass != VK_NULL_HANDLE, "PipelineFactory: renderPass is null");
-
-        static constexpr VkDynamicState kDynamicStates[] = {
-            VK_DYNAMIC_STATE_VIEWPORT,
-            VK_DYNAMIC_STATE_SCISSOR
-        };
-
-        VkPipelineDynamicStateCreateInfo dynamicState{};
-        dynamicState.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO;
-        dynamicState.dynamicStateCount = static_cast<uint32_t>(std::size(kDynamicStates));
-        dynamicState.pDynamicStates = kDynamicStates;
-
-        VkPipelineInputAssemblyStateCreateInfo ia{VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO};
-        ia.topology = payload.topology;
-
-        VkPipelineViewportStateCreateInfo vpci{VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO};
-        vpci.viewportCount = 1;
-        vpci.scissorCount = 1;
-
-        VkPipelineRasterizationStateCreateInfo raster{VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO};
-        raster.polygonMode = VK_POLYGON_MODE_FILL;
-        raster.cullMode = payload.cullMode;
-        raster.frontFace = payload.frontFace;
-        raster.lineWidth = 1.0f;
-
-        VkPipelineMultisampleStateCreateInfo ms{VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO};
-        ms.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
-
-        VkPipelineDepthStencilStateCreateInfo depthStencil{VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO};
-        depthStencil.depthTestEnable = payload.depthTestEnable ? VK_TRUE : VK_FALSE;
-        depthStencil.depthWriteEnable = payload.depthWriteEnable ? VK_TRUE : VK_FALSE;
-        depthStencil.depthCompareOp = payload.depthCompareOp;
-        depthStencil.depthBoundsTestEnable = VK_FALSE;
-        depthStencil.stencilTestEnable = VK_FALSE;
-
-        VkPipelineColorBlendAttachmentState colorAttach{};
-        colorAttach.colorWriteMask = payload.colorWriteMask;
-        colorAttach.blendEnable = payload.blendEnable ? VK_TRUE : VK_FALSE;
-        colorAttach.srcColorBlendFactor = payload.srcColorBlendFactor;
-        colorAttach.dstColorBlendFactor = payload.dstColorBlendFactor;
-        colorAttach.colorBlendOp = VK_BLEND_OP_ADD;
-        colorAttach.srcAlphaBlendFactor = payload.srcAlphaBlendFactor;
-        colorAttach.dstAlphaBlendFactor = payload.dstAlphaBlendFactor;
-        colorAttach.alphaBlendOp = VK_BLEND_OP_ADD;
-        VkPipelineColorBlendStateCreateInfo blend{VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO};
-        blend.attachmentCount = 1;
-        blend.pAttachments = &colorAttach;
-
-        VkGraphicsPipelineCreateInfo gpi{VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO};
-        gpi.stageCount = static_cast<Uint32>(payload.stages->size());
-        gpi.pStages = payload.stages->data();
-        gpi.pVertexInputState = payload.vertexInputState;
-        gpi.pInputAssemblyState = &ia;
-        gpi.pViewportState = &vpci;
-        gpi.pRasterizationState = &raster;
-        gpi.pMultisampleState = &ms;
-        gpi.pDepthStencilState = &depthStencil;
-        gpi.pColorBlendState = &blend;
-        gpi.pDynamicState = &dynamicState;
-        gpi.layout = payload.pipelineLayout;
-        gpi.renderPass = payload.renderPass;
-        gpi.subpass = payload.subpass;
-
-        VkPipeline pipeline = VK_NULL_HANDLE;
-        VK_VERIFY(vkCreateGraphicsPipelines(m_device, VK_NULL_HANDLE, 1, &gpi, nullptr, &pipeline),
-                  "vkCreateGraphicsPipelines");
-        return pipeline;
-    }
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/PipelineFactory.h

@@ -1,61 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/PipelineFactory.h
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#pragma once
-
-#include "Config.h"
-#include "../VkIncludes.h"
-#include <Includes.h>
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    class PipelineFactory {
-    public:
-        using HashType = Uint64;
-
-        struct PipelineCreatePayload {
-            HashType programHash = 0;
-            HashType vertexInputHash = 0;
-            VkPipelineLayout pipelineLayout = VK_NULL_HANDLE;
-            VkRenderPass renderPass = VK_NULL_HANDLE;
-            Uint32 subpass = 0;
-            VkPrimitiveTopology topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
-            VkCullModeFlags cullMode = VK_CULL_MODE_BACK_BIT;
-            VkFrontFace frontFace = VK_FRONT_FACE_CLOCKWISE;
-            Bool depthTestEnable = false;
-            Bool depthWriteEnable = false;
-            VkCompareOp depthCompareOp = VK_COMPARE_OP_ALWAYS;
-            Bool blendEnable = false;
-            VkBlendFactor srcColorBlendFactor = VK_BLEND_FACTOR_ONE;
-            VkBlendFactor dstColorBlendFactor = VK_BLEND_FACTOR_ZERO;
-            VkBlendFactor srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE;
-            VkBlendFactor dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO;
-            VkColorComponentFlags colorWriteMask =
-                VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT |
-                VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
-            const Vector<VkPipelineShaderStageCreateInfo>* stages = nullptr;
-            const VkPipelineVertexInputStateCreateInfo* vertexInputState = nullptr;
-        };
-
-        explicit PipelineFactory(VkDevice device, const VulkanRendererConfig& config):
-            m_device(device), m_config(config) {}
-        ~PipelineFactory();
-        PipelineFactory(const PipelineFactory&) = delete;
-
-        HashType ComputeHash(const PipelineCreatePayload& payload) const;
-        VkPipeline GetOrCreatePipeline(const PipelineCreatePayload& payload);
-        void DestroyAll();
-
-    private:
-        VkPipeline CreatePipeline(const PipelineCreatePayload& payload) const;
-
-        VkDevice m_device = VK_NULL_HANDLE;
-        const VulkanRendererConfig& m_config;
-        UnorderedMap<HashType, VkPipeline> m_cache;
-        static inline XXH64_state_t* m_hashState = XXH64_createState();
-    };
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/ProgramFactory.cpp

@@ -1,576 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/ProgramFactory.cpp
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#include "ProgramFactory.h"
-
-#include "MG_Util/ShaderTranspiler/SpvcSession.h"
-#include "MG_Util/ShaderTranspiler/Types.h"
-#include <cstring>
-#include <spirv-tools/libspirv.h>
-#include <spirv-tools/optimizer.hpp>
-#include <source/opt/constants.h>
-#include <source/opt/instruction.h>
-#include <source/opt/ir_builder.h>
-#include <source/opt/ir_context.h>
-#include <source/opt/module.h>
-#include <source/opt/pass.h>
-#include <source/opt/type_manager.h>
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    namespace {
-        using ShaderObject = MG_State::GLState::ShaderObject;
-        using SpvcSession = MG_Util::ShaderTranspiler::SpvcSession;
-        using SessionUsageBit = MG_Util::ShaderTranspiler::SessionUsageBit;
-
-        struct PositionTargetInfo {
-            Uint32 variableId = 0;
-            Uint32 vectorTypeId = 0;
-            Uint32 floatTypeId = 0;
-            Uint32 vectorPtrTypeId = 0;
-            Uint32 memberIndex = 0;
-            Bool isMember = false;
-        };
-
-        Bool IsVec4Float32(spvtools::opt::IRContext* context, Uint32 typeId, Uint32* outFloatTypeId) {
-            auto* vecInst = context->get_def_use_mgr()->GetDef(typeId);
-            if (!vecInst || vecInst->opcode() != spv::Op::OpTypeVector) return false;
-            if (vecInst->GetSingleWordInOperand(1) != 4) return false;
-
-            const Uint32 floatTypeId = vecInst->GetSingleWordInOperand(0);
-            auto* floatInst = context->get_def_use_mgr()->GetDef(floatTypeId);
-            if (!floatInst || floatInst->opcode() != spv::Op::OpTypeFloat) return false;
-            if (floatInst->GetSingleWordInOperand(0) != 32) return false;
-
-            if (outFloatTypeId) *outFloatTypeId = floatTypeId;
-            return true;
-        }
-
-        Bool ResolveDirectPositionTarget(spvtools::opt::IRContext* context, Uint32 variableId,
-                                         PositionTargetInfo* outTarget) {
-            auto* varInst = context->get_def_use_mgr()->GetDef(variableId);
-            if (!varInst || varInst->opcode() != spv::Op::OpVariable) return false;
-            if (varInst->GetSingleWordInOperand(0) != static_cast<Uint32>(spv::StorageClass::Output)) return false;
-
-            auto* ptrTypeInst = context->get_def_use_mgr()->GetDef(varInst->type_id());
-            if (!ptrTypeInst || ptrTypeInst->opcode() != spv::Op::OpTypePointer) return false;
-            if (ptrTypeInst->GetSingleWordInOperand(0) != static_cast<Uint32>(spv::StorageClass::Output)) return false;
-
-            PositionTargetInfo target{};
-            target.variableId = variableId;
-            target.vectorTypeId = ptrTypeInst->GetSingleWordInOperand(1);
-            if (!IsVec4Float32(context, target.vectorTypeId, &target.floatTypeId)) return false;
-            target.vectorPtrTypeId = varInst->type_id();
-            target.isMember = false;
-
-            *outTarget = target;
-            return true;
-        }
-
-        Uint32 FindOutputVectorPointerTypeId(spvtools::opt::IRContext* context, Uint32 vectorTypeId) {
-            auto* vectorType = context->get_type_mgr()->GetType(vectorTypeId);
-            if (!vectorType) return 0;
-            spvtools::opt::analysis::Pointer ptrType(vectorType, spv::StorageClass::Output);
-            return context->get_type_mgr()->GetTypeInstruction(&ptrType);
-        }
-
-        Bool ResolveMemberPositionTarget(spvtools::opt::IRContext* context, Uint32 structTypeId, Uint32 memberIndex,
-                                         PositionTargetInfo* outTarget) {
-            auto* structInst = context->get_def_use_mgr()->GetDef(structTypeId);
-            if (!structInst || structInst->opcode() != spv::Op::OpTypeStruct) return false;
-            if (memberIndex >= structInst->NumInOperands()) return false;
-
-            const Uint32 vectorTypeId = structInst->GetSingleWordInOperand(memberIndex);
-            Uint32 floatTypeId = 0;
-            if (!IsVec4Float32(context, vectorTypeId, &floatTypeId)) return false;
-
-            const Uint32 vectorPtrTypeId = FindOutputVectorPointerTypeId(context, vectorTypeId);
-            if (vectorPtrTypeId == 0) return false;
-
-            for (auto& inst : context->module()->types_values()) {
-                if (inst.opcode() != spv::Op::OpVariable) continue;
-                if (inst.GetSingleWordInOperand(0) != static_cast<Uint32>(spv::StorageClass::Output)) continue;
-
-                auto* ptrTypeInst = context->get_def_use_mgr()->GetDef(inst.type_id());
-                if (!ptrTypeInst || ptrTypeInst->opcode() != spv::Op::OpTypePointer) continue;
-                if (ptrTypeInst->GetSingleWordInOperand(0) != static_cast<Uint32>(spv::StorageClass::Output)) continue;
-                if (ptrTypeInst->GetSingleWordInOperand(1) != structTypeId) continue;
-
-                PositionTargetInfo target{};
-                target.variableId = inst.result_id();
-                target.vectorTypeId = vectorTypeId;
-                target.floatTypeId = floatTypeId;
-                target.vectorPtrTypeId = vectorPtrTypeId;
-                target.memberIndex = memberIndex;
-                target.isMember = true;
-                *outTarget = target;
-                return true;
-            }
-
-            return false;
-        }
-
-        Bool FindPositionTarget(spvtools::opt::IRContext* context, PositionTargetInfo* outTarget) {
-            Vector<Pair<Uint32, Uint32>> memberCandidates;
-            constexpr auto kDecorationBuiltIn = static_cast<Uint32>(spv::Decoration::BuiltIn);
-            constexpr auto kBuiltInPosition = static_cast<Uint32>(spv::BuiltIn::Position);
-
-            for (auto& inst : context->module()->annotations()) {
-                if (inst.opcode() == spv::Op::OpDecorate) {
-                    if (inst.NumInOperands() < 3) continue;
-                    if (inst.GetSingleWordInOperand(1) != kDecorationBuiltIn) continue;
-                    if (inst.GetSingleWordInOperand(2) != kBuiltInPosition) continue;
-                    if (ResolveDirectPositionTarget(context, inst.GetSingleWordInOperand(0), outTarget)) return true;
-                } else if (inst.opcode() == spv::Op::OpMemberDecorate) {
-                    if (inst.NumInOperands() < 4) continue;
-                    if (inst.GetSingleWordInOperand(2) != kDecorationBuiltIn) continue;
-                    if (inst.GetSingleWordInOperand(3) != kBuiltInPosition) continue;
-                    memberCandidates.emplace_back(inst.GetSingleWordInOperand(0), inst.GetSingleWordInOperand(1));
-                }
-            }
-
-            for (const auto& [structTypeId, memberIndex] : memberCandidates) {
-                if (ResolveMemberPositionTarget(context, structTypeId, memberIndex, outTarget)) return true;
-            }
-            return false;
-        }
-
-        Bool InsertPositionFixup(spvtools::opt::IRContext* context, spvtools::opt::Instruction* insertBefore,
-                                 const PositionTargetInfo& target, Uint32 halfConstId, Bool doYFlip, Bool doZRemap,
-                                 Bool doSurfaceRotate90, Bool doSurfaceRotate180, Bool doSurfaceRotate270) {
-            using namespace spvtools::opt;
-            InstructionBuilder builder(context, insertBefore,
-                                       IRContext::kAnalysisDefUse | IRContext::kAnalysisInstrToBlockMapping);
-
-            Uint32 positionPtrId = target.variableId;
-            if (target.isMember) {
-                const Uint32 memberIndexId = builder.GetUintConstantId(target.memberIndex);
-                if (memberIndexId == 0) return false;
-                auto* access = builder.AddAccessChain(target.vectorPtrTypeId, target.variableId, {memberIndexId});
-                if (!access) return false;
-                positionPtrId = access->result_id();
-            }
-
-            auto* position = builder.AddLoad(target.vectorTypeId, positionPtrId);
-            if (!position) return false;
-            auto* x = builder.AddCompositeExtract(target.floatTypeId, position->result_id(), {0});
-            auto* y = builder.AddCompositeExtract(target.floatTypeId, position->result_id(), {1});
-            auto* z = builder.AddCompositeExtract(target.floatTypeId, position->result_id(), {2});
-            auto* w = builder.AddCompositeExtract(target.floatTypeId, position->result_id(), {3});
-            if (!x || !y || !z || !w) return false;
-
-            if (!doYFlip && !doZRemap && !doSurfaceRotate90 && !doSurfaceRotate180 && !doSurfaceRotate270) {
-                return false;
-            }
-
-            Uint32 xValueId = x->result_id();
-            Uint32 yValueId = y->result_id();
-            if (doYFlip) {
-                auto* negY = builder.AddUnaryOp(target.floatTypeId, spv::Op::OpFNegate, y->result_id());
-                if (!negY) return false;
-                yValueId = negY->result_id();
-            }
-
-            if (doSurfaceRotate90) {
-                auto* negY = builder.AddUnaryOp(target.floatTypeId, spv::Op::OpFNegate, yValueId);
-                if (!negY) return false;
-                xValueId = negY->result_id();
-                yValueId = x->result_id();
-            } else if (doSurfaceRotate180) {
-                auto* negX = builder.AddUnaryOp(target.floatTypeId, spv::Op::OpFNegate, xValueId);
-                auto* negY = builder.AddUnaryOp(target.floatTypeId, spv::Op::OpFNegate, yValueId);
-                if (!negX || !negY) return false;
-                xValueId = negX->result_id();
-                yValueId = negY->result_id();
-            } else if (doSurfaceRotate270) {
-                auto* negX = builder.AddUnaryOp(target.floatTypeId, spv::Op::OpFNegate, xValueId);
-                if (!negX) return false;
-                xValueId = yValueId;
-                yValueId = negX->result_id();
-            }
-
-            Uint32 zValueId = z->result_id();
-            if (doZRemap) {
-                auto* zPlusW = builder.AddBinaryOp(target.floatTypeId, spv::Op::OpFAdd, z->result_id(), w->result_id());
-                if (!zPlusW) return false;
-                auto* mappedZ =
-                    builder.AddBinaryOp(target.floatTypeId, spv::Op::OpFMul, zPlusW->result_id(), halfConstId);
-                if (!mappedZ) return false;
-                zValueId = mappedZ->result_id();
-            }
-
-            auto* fixedPosition = builder.AddCompositeConstruct(target.vectorTypeId,
-                                                                {xValueId, yValueId, zValueId, w->result_id()});
-            if (!fixedPosition) return false;
-
-            return builder.AddStore(positionPtrId, fixedPosition->result_id()) != nullptr;
-        }
-
-        class GlToVulkanPositionFixPass final : public spvtools::opt::Pass {
-        public:
-            const char* name() const override { return "gl-to-vulkan-position-fix"; }
-            explicit GlToVulkanPositionFixPass(ProgramFactory::CompileOptionFlags transformFlags)
-                : m_transformFlags(transformFlags) {}
-
-            Status Process() override {
-                if (!m_transformFlags) return Status::SuccessWithoutChange;
-                PositionTargetInfo target{};
-                if (!FindPositionTarget(context(), &target)) return Status::SuccessWithoutChange;
-
-                auto* floatType = context()->get_type_mgr()->GetType(target.floatTypeId);
-                if (!floatType) return Status::SuccessWithoutChange;
-
-                const auto halfBits = std::bit_cast<Uint32>(0.5f);
-                const auto* halfConst = context()->get_constant_mgr()->GetConstant(floatType, {halfBits});
-                auto* halfInst = context()->get_constant_mgr()->GetDefiningInstruction(halfConst);
-                if (!halfInst) return Status::SuccessWithoutChange;
-                const Uint32 halfConstId = halfInst->result_id();
-
-                const Bool doYFlip = (m_transformFlags & ProgramFactory::CompileOptionBit::PositionYFlip);
-                const Bool doZRemap = (m_transformFlags & ProgramFactory::CompileOptionBit::PositionZRemap);
-                const Bool doSurfaceRotate90 = (m_transformFlags & ProgramFactory::CompileOptionBit::SurfaceRotate90);
-                const Bool doSurfaceRotate180 =
-                    (m_transformFlags & ProgramFactory::CompileOptionBit::SurfaceRotate180);
-                const Bool doSurfaceRotate270 =
-                    (m_transformFlags & ProgramFactory::CompileOptionBit::SurfaceRotate270);
-
-                Bool modified = false;
-                for (auto& entryPoint : get_module()->entry_points()) {
-                    if (entryPoint.opcode() != spv::Op::OpEntryPoint) continue;
-                    if (entryPoint.NumInOperands() < 2) continue;
-
-                    const auto model = static_cast<spv::ExecutionModel>(entryPoint.GetSingleWordInOperand(0));
-                    if (model != spv::ExecutionModel::Vertex && model != spv::ExecutionModel::TessellationEvaluation &&
-                        model != spv::ExecutionModel::Geometry) {
-                        continue;
-                    }
-
-                    auto* function = context()->GetFunction(entryPoint.GetSingleWordInOperand(1));
-                    if (!function) continue;
-
-                    for (auto& bb : *function) {
-                        for (auto instIter = bb.begin(); instIter != bb.end(); ++instIter) {
-                            auto* inst = &*instIter;
-                            const Bool needsFixup =
-                                (model == spv::ExecutionModel::Geometry && inst->opcode() == spv::Op::OpEmitVertex) ||
-                                (model != spv::ExecutionModel::Geometry && inst->opcode() == spv::Op::OpReturn);
-                            if (!needsFixup) continue;
-
-                            modified |= InsertPositionFixup(context(), inst, target, halfConstId, doYFlip, doZRemap,
-                                                             doSurfaceRotate90, doSurfaceRotate180, doSurfaceRotate270);
-                        }
-                    }
-                }
-
-                if (!modified) return Status::SuccessWithoutChange;
-                context()->InvalidateAnalysesExceptFor(spvtools::opt::IRContext::kAnalysisDefUse |
-                                                       spvtools::opt::IRContext::kAnalysisInstrToBlockMapping);
-                return Status::SuccessWithChange;
-            }
-
-        private:
-            ProgramFactory::CompileOptionFlags m_transformFlags;
-        };
-
-        spvtools::Optimizer::PassToken CreateGlToVulkanPositionFixPass(
-            ProgramFactory::CompileOptionFlags transformFlags) {
-            return spvtools::Optimizer::PassToken(MakeUnique<GlToVulkanPositionFixPass>(transformFlags));
-        }
-
-        Bool TransformSpirvForVulkanPositionFix(const Vector<Uint>& input, Vector<Uint>& output,
-                                                ProgramFactory::CompileOptionFlags transformFlags) {
-            if (input.empty()) {
-                output.clear();
-                return true;
-            }
-
-            if (!transformFlags) {
-                output = input;
-                return true;
-            }
-
-            spvtools::Optimizer optimizer(SPV_ENV_VULKAN_1_3);
-            spvtools::OptimizerOptions options;
-            options.set_run_validator(false);
-            optimizer.RegisterPass(CreateGlToVulkanPositionFixPass(transformFlags));
-
-            const Bool success = optimizer.Run(input.data(), input.size(), &output, options);
-            if (!success) {
-                MGLOG_E("Vulkan: failed to run GL->Vulkan position fix pass");
-                output = input;
-            }
-            return success;
-        }
-
-        ShaderStage PickClipFixupStage(const Vector<SharedPtr<ShaderObject>>& shaders) {
-            Bool hasGeometry = false;
-            Bool hasTessEval = false;
-            Bool hasVertex = false;
-
-            for (const auto& shader : shaders) {
-                if (!shader) continue;
-                const auto stage = shader->GetShaderStage();
-                hasGeometry |= (stage == ShaderStage::Geometry);
-                hasTessEval |= (stage == ShaderStage::TessEval);
-                hasVertex |= (stage == ShaderStage::Vertex);
-            }
-
-            if (hasGeometry) return ShaderStage::Geometry;
-            if (hasTessEval) return ShaderStage::TessEval;
-            if (hasVertex) return ShaderStage::Vertex;
-            return ShaderStage::Unknown;
-        }
-    } // namespace
-
-    VkShaderStageFlagBits ProgramFactory::ToVkStage(ShaderStage stage) {
-        switch (stage) {
-        case ShaderStage::Vertex:
-            return VK_SHADER_STAGE_VERTEX_BIT;
-        case ShaderStage::Fragment:
-            return VK_SHADER_STAGE_FRAGMENT_BIT;
-        case ShaderStage::Geometry:
-            return VK_SHADER_STAGE_GEOMETRY_BIT;
-        case ShaderStage::TessControl:
-            return VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT;
-        case ShaderStage::TessEval:
-            return VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT;
-        case ShaderStage::Compute:
-            return VK_SHADER_STAGE_COMPUTE_BIT;
-        default:
-            return VK_SHADER_STAGE_ALL_GRAPHICS;
-        }
-    }
-
-    ProgramFactory::HashType ProgramFactory::ComputeHash(const MG_State::GLState::ProgramObject& program,
-                                                         CompileOptionFlags flags) const {
-        XXHASH_VERIFY(XXH64_reset(m_hashState, m_config.CacheVersion));
-        // We expect shader stages in program object are sorted
-        const auto& spirvs = program.GetGeneratedSpirv();
-        for (const auto& spv : spirvs) {
-            XXHASH_VERIFY(XXH64_update(m_hashState, spv.data(), spv.size() * sizeof(Uint)));
-        }
-        XXHASH_VERIFY(XXH64_update(m_hashState, &flags, sizeof(CompileOptionFlags)));
-
-        // Include UBO block bindings in hash so different binding configurations produce different entries
-        const Uint32 blockCount = static_cast<Uint32>(program.GetActiveUniformBlocksCount());
-        XXHASH_VERIFY(XXH64_update(m_hashState, &blockCount, sizeof(blockCount)));
-        for (Uint32 i = 0; i < blockCount; ++i) {
-            const Uint32 binding = program.GetUniformBlockBinding(i);
-            XXHASH_VERIFY(XXH64_update(m_hashState, &binding, sizeof(binding)));
-        }
-
-        HashType hash = XXH64_digest(m_hashState);
-        return hash;
-    }
-
-    TextureTarget ProgramFactory::UniformTypeToTextureTarget(GLenum glType) {
-        switch (glType) {
-        case GL_SAMPLER_1D:
-        case GL_INT_SAMPLER_1D:
-        case GL_UNSIGNED_INT_SAMPLER_1D:
-            return TextureTarget::Texture1D;
-        case GL_SAMPLER_3D:
-        case GL_INT_SAMPLER_3D:
-        case GL_UNSIGNED_INT_SAMPLER_3D:
-            return TextureTarget::Texture3D;
-        case GL_SAMPLER_CUBE:
-        case GL_SAMPLER_CUBE_SHADOW:
-        case GL_INT_SAMPLER_CUBE:
-        case GL_UNSIGNED_INT_SAMPLER_CUBE:
-            return TextureTarget::TextureCubeMap;
-        case GL_SAMPLER_2D_MULTISAMPLE:
-        case GL_INT_SAMPLER_2D_MULTISAMPLE:
-        case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE:
-            return TextureTarget::Texture2DMultisample;
-        case GL_SAMPLER_BUFFER:
-        case GL_INT_SAMPLER_BUFFER:
-        case GL_UNSIGNED_INT_SAMPLER_BUFFER:
-            return TextureTarget::TextureBuffer;
-        case GL_SAMPLER_1D_ARRAY:
-        case GL_SAMPLER_1D_ARRAY_SHADOW:
-        case GL_INT_SAMPLER_1D_ARRAY:
-        case GL_UNSIGNED_INT_SAMPLER_1D_ARRAY:
-            return TextureTarget::Texture1DArray;
-        case GL_SAMPLER_2D_ARRAY:
-        case GL_SAMPLER_2D_ARRAY_SHADOW:
-        case GL_INT_SAMPLER_2D_ARRAY:
-        case GL_UNSIGNED_INT_SAMPLER_2D_ARRAY:
-            return TextureTarget::Texture2DArray;
-        case GL_SAMPLER_2D_MULTISAMPLE_ARRAY:
-        case GL_INT_SAMPLER_2D_MULTISAMPLE_ARRAY:
-        case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE_ARRAY:
-            return TextureTarget::Texture2DMultisampleArray;
-        case GL_SAMPLER_2D_RECT:
-        case GL_SAMPLER_2D_RECT_SHADOW:
-        case GL_INT_SAMPLER_2D_RECT:
-        case GL_UNSIGNED_INT_SAMPLER_2D_RECT:
-            return TextureTarget::TextureRectangle;
-        case GL_SAMPLER_2D:
-        case GL_SAMPLER_2D_SHADOW:
-        case GL_INT_SAMPLER_2D:
-        case GL_UNSIGNED_INT_SAMPLER_2D:
-        default:
-            return TextureTarget::Texture2D;
-        }
-    }
-
-    void ProgramFactory::ReflectLayout(const MG_State::GLState::ProgramObject& program,
-                                       VkProgramObject& entry) const {
-        // Initialize layout vectors
-        entry.bindingKinds.assign(m_maxBindings, DescriptorBindingKind::None);
-        entry.samplerUniformLocationByBinding.assign(m_maxBindings, -1);
-        entry.samplerTextureTargetByBinding.assign(m_maxBindings, TextureTarget::Texture2D);
-        entry.globalUboBinding = -1;
-        entry.dynamicBindings.clear();
-
-        // Use SpvcSession (Reflection mode) to reflect all SPIR-V modules in a single pass per module
-        const auto& spirv = program.GetGeneratedSpirv();
-        for (const auto& module : spirv) {
-            if (module.empty()) {
-                continue;
-            }
-
-            SpvcSession session(module, SessionUsageBit::Reflection);
-
-            // Reflect uniform buffers
-            auto ubos = session.GetShaderInterface(SPVC_RESOURCE_TYPE_UNIFORM_BUFFER);
-            for (const auto& ubo : ubos) {
-                const Uint32 binding = ubo.location; // GetShaderInterface stores binding in location field
-                if (binding >= m_maxBindings) {
-                    continue;
-                }
-                if (entry.bindingKinds[binding] == DescriptorBindingKind::None) {
-                    entry.bindingKinds[binding] = DescriptorBindingKind::UniformBufferDynamic;
-                }
-
-                // Check for global UBO
-                if (entry.globalUboBinding < 0 &&
-                    std::strstr(ubo.name.c_str(), MG_Util::ShaderTranspiler::GLOBAL_UBO_NAME) != nullptr) {
-                    entry.globalUboBinding = static_cast<Int>(binding);
-                }
-            }
-
-            // Reflect sampled images
-            auto samplers = session.GetShaderInterface(SPVC_RESOURCE_TYPE_SAMPLED_IMAGE);
-            for (const auto& sampler : samplers) {
-                const Uint32 binding = sampler.location; // GetShaderInterface stores binding in location field
-                if (binding >= m_maxBindings) {
-                    continue;
-                }
-
-                // Sampler always wins over UBO for a binding slot
-                entry.bindingKinds[binding] = DescriptorBindingKind::CombinedImageSampler;
-
-                // Resolve uniform location for this sampler
-                String uniformName = sampler.name;
-                Int location = program.GetUniformLocation(uniformName);
-                if (location < 0) {
-                    const auto arraySuffix = uniformName.find("[0]");
-                    if (arraySuffix != String::npos) {
-                        uniformName = uniformName.substr(0, arraySuffix);
-                        location = program.GetUniformLocation(uniformName);
-                    }
-                }
-                if (location < 0) {
-                    continue;
-                }
-
-                entry.samplerUniformLocationByBinding[binding] = location;
-                entry.samplerTextureTargetByBinding[binding] =
-                    UniformTypeToTextureTarget(program.GetUniformType(static_cast<Uint>(location)));
-            }
-        }
-
-        // Build Vulkan descriptor set layout and pipeline layout from reflected binding kinds
-        Vector<VkDescriptorSetLayoutBinding> bindings;
-        bindings.reserve(m_maxBindings);
-        for (Uint32 binding = 0; binding < m_maxBindings; ++binding) {
-            const auto kind = entry.bindingKinds[binding];
-            if (kind == DescriptorBindingKind::None) {
-                continue;
-            }
-
-            VkDescriptorSetLayoutBinding layoutBinding{};
-            layoutBinding.binding = binding;
-            layoutBinding.descriptorCount = 1;
-            layoutBinding.stageFlags = VK_SHADER_STAGE_ALL_GRAPHICS;
-            layoutBinding.pImmutableSamplers = nullptr;
-            if (kind == DescriptorBindingKind::UniformBufferDynamic) {
-                layoutBinding.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC;
-                entry.dynamicBindings.push_back(binding);
-            } else {
-                layoutBinding.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
-            }
-            bindings.push_back(layoutBinding);
-        }
-
-        VkDescriptorSetLayoutCreateInfo setLayoutInfo{};
-        setLayoutInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
-        setLayoutInfo.bindingCount = static_cast<Uint32>(bindings.size());
-        setLayoutInfo.pBindings = bindings.data();
-        VK_VERIFY(vkCreateDescriptorSetLayout(m_device, &setLayoutInfo, nullptr, &entry.descriptorSetLayout),
-                  "ProgramFactory::ReflectLayout, vkCreateDescriptorSetLayout");
-
-        VkPipelineLayoutCreateInfo pipelineLayoutInfo{};
-        pipelineLayoutInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
-        pipelineLayoutInfo.setLayoutCount = 1;
-        pipelineLayoutInfo.pSetLayouts = &entry.descriptorSetLayout;
-        VK_VERIFY(vkCreatePipelineLayout(m_device, &pipelineLayoutInfo, nullptr, &entry.pipelineLayout),
-                  "ProgramFactory::ReflectLayout, vkCreatePipelineLayout");
-    }
-
-    const ProgramFactory::VkProgramObject& ProgramFactory::GetOrCreateProgram(
-        const MG_State::GLState::ProgramObject& program, CompileOptionFlags flags) {
-        auto hash = ComputeHash(program, flags);
-        auto it = m_cache.find(hash);
-        if (it != m_cache.end()) {
-            return it->second;
-        }
-
-        auto& entry = m_cache[hash];
-        entry.hash = hash;
-        auto& shaders = program.GetAttachedShaders();
-        auto& spirv = program.GetGeneratedSpirv();
-
-        const ShaderStage fixupStage = PickClipFixupStage(shaders);
-
-        for (SizeT i = 0; i < shaders.size(); ++i) {
-            auto& spv = spirv[i];
-            if (spv.empty()) continue;
-
-            Vector<Uint> moduleSpv;
-
-            // Apply position fixup if needed
-            if (fixupStage != ShaderStage::Unknown && shaders[i] && shaders[i]->GetShaderStage() == fixupStage) {
-                TransformSpirvForVulkanPositionFix(spv, moduleSpv, flags);
-            } else {
-                moduleSpv = spv;
-            }
-
-            VkShaderModuleCreateInfo smci{VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO};
-            smci.codeSize = moduleSpv.size() * sizeof(Uint);
-            smci.pCode = moduleSpv.data();
-
-            VkShaderModule module = VK_NULL_HANDLE;
-            VK_VERIFY(vkCreateShaderModule(m_device, &smci, nullptr, &module), "vkCreateShaderModule");
-
-            VkPipelineShaderStageCreateInfo stage{VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO};
-            ShaderStage shaderStage = shaders[i]->GetShaderStage();
-            stage.stage = ToVkStage(shaderStage);
-            stage.module = module;
-            stage.pName = "main";
-
-            entry.modules.push_back(module);
-            entry.stages.push_back(stage);
-        }
-
-        // Reflect and create layout as part of the program object
-        ReflectLayout(program, entry);
-
-        return entry;
-    }
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/ProgramFactory.h

@@ -1,144 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/ProgramFactory.h
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#pragma once
-
-#include "../VkIncludes.h"
-#include "MG_State/GLState/ProgramState/ProgramObject.h"
-#include "MG_State/GLState/ProgramState/ShaderObject.h"
-#include "MG_State/GLState/TextureState/TextureEnum.h"
-
-#include <Includes.h>
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    class ProgramFactory {
-    public:
-        enum class DescriptorBindingKind : Uint8 {
-            None = 0,
-            UniformBufferDynamic,
-            CombinedImageSampler
-        };
-
-        enum class CompileOptionBit : Uint {
-            None = 0,
-            PositionYFlip = 1 << 0,
-            PositionZRemap = 1 << 1,
-            SurfaceRotate90 = 1 << 2,
-            SurfaceRotate180 = 1 << 3,
-            SurfaceRotate270 = 1 << 4,
-        };
-        using CompileOptionFlags = Flags<CompileOptionBit>;
-        using HashType = Uint64;
-
-        struct VkProgramObject {
-            HashType hash = 0;
-            Vector<VkPipelineShaderStageCreateInfo> stages;
-            Vector<VkShaderModule> modules;
-
-            // Layout data (previously in separate VkProgramLayout)
-            VkDescriptorSetLayout descriptorSetLayout = VK_NULL_HANDLE;
-            VkPipelineLayout pipelineLayout = VK_NULL_HANDLE;
-            Vector<DescriptorBindingKind> bindingKinds;
-            Vector<Uint32> dynamicBindings;
-            Vector<Int> samplerUniformLocationByBinding;
-            Vector<TextureTarget> samplerTextureTargetByBinding;
-            Int globalUboBinding = -1;
-
-            static inline VkDevice s_device = VK_NULL_HANDLE;
-
-            VkProgramObject() = default;
-            VkProgramObject(const VkProgramObject&) = delete;
-            VkProgramObject& operator=(const VkProgramObject&) = delete;
-            VkProgramObject(VkProgramObject&& other) noexcept {
-                hash = other.hash;
-                stages = std::move(other.stages);
-                modules = std::move(other.modules);
-                descriptorSetLayout = other.descriptorSetLayout;
-                pipelineLayout = other.pipelineLayout;
-                bindingKinds = std::move(other.bindingKinds);
-                dynamicBindings = std::move(other.dynamicBindings);
-                samplerUniformLocationByBinding = std::move(other.samplerUniformLocationByBinding);
-                samplerTextureTargetByBinding = std::move(other.samplerTextureTargetByBinding);
-                globalUboBinding = other.globalUboBinding;
-                other.hash = 0;
-                other.descriptorSetLayout = VK_NULL_HANDLE;
-                other.pipelineLayout = VK_NULL_HANDLE;
-                other.globalUboBinding = -1;
-            }
-            VkProgramObject& operator=(VkProgramObject&& other) noexcept {
-                if (this == &other) {
-                    return *this;
-                }
-                Destroy();
-                hash = other.hash;
-                stages = std::move(other.stages);
-                modules = std::move(other.modules);
-                descriptorSetLayout = other.descriptorSetLayout;
-                pipelineLayout = other.pipelineLayout;
-                bindingKinds = std::move(other.bindingKinds);
-                dynamicBindings = std::move(other.dynamicBindings);
-                samplerUniformLocationByBinding = std::move(other.samplerUniformLocationByBinding);
-                samplerTextureTargetByBinding = std::move(other.samplerTextureTargetByBinding);
-                globalUboBinding = other.globalUboBinding;
-                other.hash = 0;
-                other.descriptorSetLayout = VK_NULL_HANDLE;
-                other.pipelineLayout = VK_NULL_HANDLE;
-                other.globalUboBinding = -1;
-                return *this;
-            }
-
-            ~VkProgramObject() {
-                Destroy();
-            }
-
-        private:
-            void Destroy() {
-                if (s_device != VK_NULL_HANDLE) {
-                    if (pipelineLayout != VK_NULL_HANDLE) {
-                        vkDestroyPipelineLayout(s_device, pipelineLayout, nullptr);
-                        pipelineLayout = VK_NULL_HANDLE;
-                    }
-                    if (descriptorSetLayout != VK_NULL_HANDLE) {
-                        vkDestroyDescriptorSetLayout(s_device, descriptorSetLayout, nullptr);
-                        descriptorSetLayout = VK_NULL_HANDLE;
-                    }
-                    for (auto module : modules) {
-                        if (module != VK_NULL_HANDLE) {
-                            vkDestroyShaderModule(s_device, module, nullptr);
-                        }
-                    }
-                }
-                modules.clear();
-                stages.clear();
-            }
-        };
-
-        explicit ProgramFactory(VkDevice device, const VulkanRendererConfig& config, Uint32 maxBindings = 16)
-            : m_device(device), m_config(config), m_maxBindings(maxBindings) {
-            VkProgramObject::s_device = device;
-        }
-        ~ProgramFactory() = default;
-        ProgramFactory(const ProgramFactory&) = delete;
-
-        HashType ComputeHash(const MG_State::GLState::ProgramObject& program, CompileOptionFlags flags) const;
-        const VkProgramObject& GetOrCreateProgram(
-            const MG_State::GLState::ProgramObject& program, CompileOptionFlags flags);
-
-        static VkShaderStageFlagBits ToVkStage(ShaderStage stage);
-
-    private:
-        static TextureTarget UniformTypeToTextureTarget(GLenum glType);
-        void ReflectLayout(const MG_State::GLState::ProgramObject& program, VkProgramObject& entry) const;
-
-        VkDevice m_device = VK_NULL_HANDLE;
-        Uint32 m_maxBindings = 0;
-        UnorderedMap<HashType, VkProgramObject> m_cache;
-        const VulkanRendererConfig& m_config;
-        static inline XXH64_state_t* m_hashState = XXH64_createState();
-    };
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/SwapchainObject.cpp

@@ -1,433 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/SwapchainObject.cpp
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#include "SwapchainObject.h"
-
-#include "MG_Impl/GLImpl/Framebuffer/GL_Framebuffer.h"
-#include "MG_State/GLState/TextureState/TextureObject2D.h"
-
-#if defined(__has_include)
-#if __has_include(<vulkan/vk_enum_string_helper.h>)
-#include <vulkan/vk_enum_string_helper.h>
-#define MOBILEGL_HAS_VK_ENUM_STRING_HELPER 1
-#else
-#define MOBILEGL_HAS_VK_ENUM_STRING_HELPER 0
-#endif
-#else
-#define MOBILEGL_HAS_VK_ENUM_STRING_HELPER 0
-#endif
-
-#if !MOBILEGL_HAS_VK_ENUM_STRING_HELPER
-static const char* string_VkFormat(VkFormat) {
-    return "VkFormat(unknown)";
-}
-
-static const char* string_VkColorSpaceKHR(VkColorSpaceKHR) {
-    return "VkColorSpaceKHR(unknown)";
-}
-
-static const char* string_VkPresentModeKHR(VkPresentModeKHR) {
-    return "VkPresentModeKHR(unknown)";
-}
-
-static const char* string_VkSurfaceTransformFlagBitsKHR(VkSurfaceTransformFlagBitsKHR) {
-    return "VkSurfaceTransformFlagBitsKHR(unknown)";
-}
-#endif
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    namespace {
-        Bool HasStencilComponent(VkFormat format) {
-            return format == VK_FORMAT_D24_UNORM_S8_UINT || format == VK_FORMAT_D32_SFLOAT_S8_UINT;
-        }
-
-        VkFormat FindSupportedDepthStencilFormat(VkPhysicalDevice physicalDevice) {
-            const VkFormat candidates[] = {VK_FORMAT_D24_UNORM_S8_UINT, VK_FORMAT_D32_SFLOAT_S8_UINT,
-                                           VK_FORMAT_D32_SFLOAT};
-            for (VkFormat format : candidates) {
-                VkFormatProperties props{};
-                vkGetPhysicalDeviceFormatProperties(physicalDevice, format, &props);
-                if ((props.optimalTilingFeatures & VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT) != 0) {
-                    return format;
-                }
-            }
-            return VK_FORMAT_UNDEFINED;
-        }
-
-        Uint32 FindMemoryType(VkPhysicalDevice physicalDevice, Uint32 typeFilter, VkMemoryPropertyFlags properties) {
-            VkPhysicalDeviceMemoryProperties memProperties{};
-            vkGetPhysicalDeviceMemoryProperties(physicalDevice, &memProperties);
-
-            for (Uint32 i = 0; i < memProperties.memoryTypeCount; i++) {
-                if ((typeFilter & (1 << i)) &&
-                    (memProperties.memoryTypes[i].propertyFlags & properties) == properties) {
-                    return i;
-                }
-            }
-
-            MOBILEGL_ASSERT(false, "Failed to find suitable memory type.");
-            return 0;
-        }
-    } // namespace
-
-    SwapchainObject::SwapchainCapabilities SwapchainObject::GetSwapchainCapabilities(VkPhysicalDevice physicalDevice,
-                                                                                      VkSurfaceKHR surface) {
-        SwapchainCapabilities swapchainCapabilities{};
-
-        VK_VERIFY(
-            vkGetPhysicalDeviceSurfaceCapabilitiesKHR(physicalDevice, surface, &swapchainCapabilities.capabilities));
-
-        Uint32 formatCount = 0;
-        VK_VERIFY(vkGetPhysicalDeviceSurfaceFormatsKHR(physicalDevice, surface, &formatCount, nullptr));
-        if (formatCount != 0) {
-            swapchainCapabilities.surfaceFormats.resize(formatCount);
-            VK_VERIFY(vkGetPhysicalDeviceSurfaceFormatsKHR(
-                physicalDevice, surface, &formatCount, swapchainCapabilities.surfaceFormats.data()));
-        }
-
-        Uint32 presentModeCount = 0;
-        VK_VERIFY(
-            vkGetPhysicalDeviceSurfacePresentModesKHR(physicalDevice, surface, &presentModeCount, nullptr));
-        if (presentModeCount != 0) {
-            swapchainCapabilities.presentModes.resize(presentModeCount);
-            VK_VERIFY(vkGetPhysicalDeviceSurfacePresentModesKHR(
-                physicalDevice, surface, &presentModeCount, swapchainCapabilities.presentModes.data()));
-        }
-
-        return swapchainCapabilities;
-    }
-
-    VkSurfaceFormatKHR SwapchainObject::ChooseSwapchainSurfaceFormat(
-        const Vector<VkSurfaceFormatKHR>& availableFormats) {
-        for (const auto& availableFormat : availableFormats) {
-            if (availableFormat.format == VK_FORMAT_B8G8R8A8_SRGB &&
-                availableFormat.colorSpace == VK_COLOR_SPACE_SRGB_NONLINEAR_KHR) {
-                return availableFormat;
-            }
-        }
-
-        // TODO: Properly rank other formats
-        return availableFormats[0];
-    }
-
-    VkPresentModeKHR SwapchainObject::ChooseSwapchainPresentMode(
-        const Vector<VkPresentModeKHR>& availablePresentModes) {
-        for (auto desiredPresentMode : s_desiredPresentModes) {
-            for (const auto& presentMode : availablePresentModes) {
-                if (presentMode == desiredPresentMode) {
-                    return presentMode;
-                }
-            }
-        }
-
-        // TODO: Properly rank other modes
-        return availablePresentModes[0];
-    }
-
-    void SwapchainObject::Create(VkDevice device, VkPhysicalDevice physicalDevice, VkSurfaceKHR surface,
-                                 Uint32 graphicsQueueFamily, Uint32 presentQueueFamily, Uint32 minImageCountHint) {
-        const auto swapchainCapabilities = GetSwapchainCapabilities(physicalDevice, surface);
-        MOBILEGL_ASSERT(swapchainCapabilities.IsComplete(),
-                        "SwapchainObject::Create failed: incomplete swapchain capabilities");
-
-        MGLOG_I("Got %d surface formats:", swapchainCapabilities.surfaceFormats.size());
-        for (const auto& sf : swapchainCapabilities.surfaceFormats) {
-            MGLOG_I("    [%s, %s]", string_VkFormat(sf.format), string_VkColorSpaceKHR(sf.colorSpace));
-        }
-
-        const auto pickedSurfaceFormat = ChooseSwapchainSurfaceFormat(swapchainCapabilities.surfaceFormats);
-        MGLOG_I("Picked surface format: [%s, %s]", string_VkFormat(pickedSurfaceFormat.format),
-                string_VkColorSpaceKHR(pickedSurfaceFormat.colorSpace));
-
-        MGLOG_I("Got %d present modes:", swapchainCapabilities.presentModes.size());
-        for (const auto& pm : swapchainCapabilities.presentModes) {
-            MGLOG_I("    %s", string_VkPresentModeKHR(pm));
-        }
-
-        const auto presentMode = ChooseSwapchainPresentMode(swapchainCapabilities.presentModes);
-        MGLOG_I("Picked present mode: %s", string_VkPresentModeKHR(presentMode));
-
-        const auto& swapchainCaps = swapchainCapabilities.capabilities;
-        const auto targetImageCount = std::max<Uint32>(minImageCountHint, swapchainCaps.minImageCount);
-        MGLOG_I("Set minImageCount = %u", targetImageCount);
-        MGLOG_I("Swapchain currentTransform = %s",
-                string_VkSurfaceTransformFlagBitsKHR(swapchainCaps.currentTransform));
-
-        VkSwapchainCreateInfoKHR createInfo{VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR};
-        createInfo.surface = surface;
-        createInfo.minImageCount = targetImageCount;
-        createInfo.imageFormat = pickedSurfaceFormat.format;
-        createInfo.imageColorSpace = pickedSurfaceFormat.colorSpace;
-        createInfo.imageExtent = swapchainCaps.currentExtent;
-        if (swapchainCaps.currentTransform == VK_SURFACE_TRANSFORM_ROTATE_90_BIT_KHR ||
-            swapchainCaps.currentTransform == VK_SURFACE_TRANSFORM_ROTATE_270_BIT_KHR) {
-            std::swap(createInfo.imageExtent.width, createInfo.imageExtent.height);
-        }
-
-        createInfo.imageArrayLayers = 1;
-        const VkImageUsageFlags requiredImageUsage =
-            VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT;
-        MOBILEGL_ASSERT((swapchainCaps.supportedUsageFlags & requiredImageUsage) == requiredImageUsage,
-                        "Swapchain does not support required usage flags (COLOR_ATTACHMENT | TRANSFER_DST). "
-                        "supportedUsageFlags=0x%x",
-                        static_cast<Uint32>(swapchainCaps.supportedUsageFlags));
-
-        VkImageUsageFlags imageUsage = requiredImageUsage;
-        if ((swapchainCaps.supportedUsageFlags & VK_IMAGE_USAGE_TRANSFER_SRC_BIT) != 0) {
-            imageUsage |= VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
-        }
-        createInfo.imageUsage = imageUsage;
-        MGLOG_I("Swapchain imageUsage = 0x%x (supportedUsageFlags = 0x%x)", static_cast<Uint32>(createInfo.imageUsage),
-                static_cast<Uint32>(swapchainCaps.supportedUsageFlags));
-        Uint32 queueFamilyIndices[] = {graphicsQueueFamily, presentQueueFamily};
-        if (graphicsQueueFamily != presentQueueFamily) {
-            createInfo.imageSharingMode = VK_SHARING_MODE_CONCURRENT;
-            createInfo.queueFamilyIndexCount = 2;
-            createInfo.pQueueFamilyIndices = queueFamilyIndices;
-        } else {
-            createInfo.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
-            createInfo.queueFamilyIndexCount = 0;
-            createInfo.pQueueFamilyIndices = nullptr;
-        }
-        createInfo.preTransform = swapchainCaps.currentTransform;
-        MGLOG_I("Set swapchain preTransform = %s", string_VkSurfaceTransformFlagBitsKHR(createInfo.preTransform));
-        const VkCompositeAlphaFlagBitsKHR compositeAlphaCandidates[] = {
-            VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR,
-            VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR,
-            VK_COMPOSITE_ALPHA_POST_MULTIPLIED_BIT_KHR,
-            VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR
-        };
-        createInfo.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
-        for (auto candidate : compositeAlphaCandidates) {
-            if ((swapchainCaps.supportedCompositeAlpha & candidate) != 0) {
-                createInfo.compositeAlpha = candidate;
-                break;
-            }
-        }
-        createInfo.presentMode = presentMode;
-        createInfo.clipped = VK_TRUE;
-        createInfo.oldSwapchain = VK_NULL_HANDLE;
-
-        m_surfaceFormat = {createInfo.imageFormat, createInfo.imageColorSpace};
-        m_extent = createInfo.imageExtent;
-        m_preTransform = createInfo.preTransform;
-
-        VK_VERIFY(vkCreateSwapchainKHR(device, &createInfo, nullptr, &m_swapchain));
-
-        Uint32 imageCount = 0;
-        VK_VERIFY(vkGetSwapchainImagesKHR(device, m_swapchain, &imageCount, nullptr));
-
-        m_images.resize(imageCount, VK_NULL_HANDLE);
-        VK_VERIFY(vkGetSwapchainImagesKHR(device, m_swapchain, &imageCount, m_images.data()));
-        m_imageLayouts.assign(imageCount, VK_IMAGE_LAYOUT_UNDEFINED);
-
-        CreateImageViews(device);
-        CreateDepthStencilResources(device, physicalDevice);
-
-        MGLOG_I("Swapchain created, extent = %dx%d, swapchain imageCount = %d", m_extent.width, m_extent.height,
-                imageCount);
-
-        // Properly initialize Default FBO here
-        auto& defaultFBOInfo = MG_Impl::GLImpl::FramebufferImpl::pDefaultFramebufferInfo;
-        auto* colorTex = static_cast<MG_State::GLState::TextureObject2D*>(defaultFBOInfo->colorAttachment.get());
-        colorTex->AllocateStorage(
-            TextureUploadTarget::Texture2D, 0, {
-                {(Int)createInfo.imageExtent.width, (Int)createInfo.imageExtent.height, 1},
-                createInfo.imageExtent.width * (Int)createInfo.imageExtent.height * 4}); // TODO: 4 is format size
-        TextureInternalFormat depthFormat = TextureInternalFormat::Depth24Stencil8;
-        switch (m_depthStencilFormat) {
-            case VK_FORMAT_D24_UNORM_S8_UINT:
-                depthFormat = TextureInternalFormat::Depth24Stencil8;
-                break;
-            case VK_FORMAT_D32_SFLOAT_S8_UINT:
-                depthFormat = TextureInternalFormat::Depth32FStencil8;
-                break;
-            case VK_FORMAT_D32_SFLOAT:
-                depthFormat = TextureInternalFormat::DepthComponent32F;
-                break;
-            default:
-                depthFormat = TextureInternalFormat::Depth24Stencil8;
-                break;
-        }
-        auto* depthTex = static_cast<MG_State::GLState::TextureObject2D*>(defaultFBOInfo->depthAttachment.get());
-        depthTex->SetInternalFormat(depthFormat);
-        depthTex->AllocateStorage(TextureUploadTarget::Texture2D, 0, {
-            {(Int)createInfo.imageExtent.width, (Int)createInfo.imageExtent.height, 1},
-                        createInfo.imageExtent.width * createInfo.imageExtent.width * 4}); // TODO: 4 is format size
-
-    }
-
-    void SwapchainObject::CreateDepthStencilResources(VkDevice device, VkPhysicalDevice physicalDevice) {
-        DestroyDepthStencilResources(device);
-
-        const auto imageCount = static_cast<Uint32>(m_images.size());
-        if (imageCount == 0) {
-            return;
-        }
-
-        m_depthStencilFormat = FindSupportedDepthStencilFormat(physicalDevice);
-        MOBILEGL_ASSERT(m_depthStencilFormat != VK_FORMAT_UNDEFINED, "No supported depth/stencil format found.");
-
-        m_depthStencilImages.assign(imageCount, VK_NULL_HANDLE);
-        m_depthStencilImageMemories.assign(imageCount, VK_NULL_HANDLE);
-        m_depthStencilImageViews.assign(imageCount, VK_NULL_HANDLE);
-        m_depthStencilImageLayouts.assign(imageCount, VK_IMAGE_LAYOUT_UNDEFINED);
-
-        for (Uint32 i = 0; i < imageCount; ++i) {
-            VkImageCreateInfo imageInfo{};
-            imageInfo.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
-            imageInfo.imageType = VK_IMAGE_TYPE_2D;
-            imageInfo.extent.width = m_extent.width;
-            imageInfo.extent.height = m_extent.height;
-            imageInfo.extent.depth = 1;
-            imageInfo.mipLevels = 1;
-            imageInfo.arrayLayers = 1;
-            imageInfo.format = m_depthStencilFormat;
-            imageInfo.tiling = VK_IMAGE_TILING_OPTIMAL;
-            imageInfo.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
-            imageInfo.usage = VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
-            imageInfo.samples = VK_SAMPLE_COUNT_1_BIT;
-            imageInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
-            VK_VERIFY(vkCreateImage(device, &imageInfo, nullptr, &m_depthStencilImages[i]), "vkCreateImage(depth)");
-
-            VkMemoryRequirements memRequirements{};
-            vkGetImageMemoryRequirements(device, m_depthStencilImages[i], &memRequirements);
-
-            VkMemoryAllocateInfo allocInfo{};
-            allocInfo.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
-            allocInfo.allocationSize = memRequirements.size;
-            allocInfo.memoryTypeIndex =
-                FindMemoryType(physicalDevice, memRequirements.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
-            VK_VERIFY(vkAllocateMemory(device, &allocInfo, nullptr, &m_depthStencilImageMemories[i]),
-                      "vkAllocateMemory(depth)");
-            VK_VERIFY(vkBindImageMemory(device, m_depthStencilImages[i], m_depthStencilImageMemories[i], 0),
-                      "vkBindImageMemory(depth)");
-
-            VkImageViewCreateInfo viewInfo{};
-            viewInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
-            viewInfo.image = m_depthStencilImages[i];
-            viewInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
-            viewInfo.format = m_depthStencilFormat;
-            viewInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT;
-            if (HasStencilComponent(m_depthStencilFormat)) {
-                viewInfo.subresourceRange.aspectMask |= VK_IMAGE_ASPECT_STENCIL_BIT;
-            }
-            viewInfo.subresourceRange.baseMipLevel = 0;
-            viewInfo.subresourceRange.levelCount = 1;
-            viewInfo.subresourceRange.baseArrayLayer = 0;
-            viewInfo.subresourceRange.layerCount = 1;
-            VK_VERIFY(vkCreateImageView(device, &viewInfo, nullptr, &m_depthStencilImageViews[i]),
-                      "vkCreateImageView(depth)");
-        }
-    }
-
-    void SwapchainObject::DestroyDepthStencilResources(VkDevice device) {
-        for (auto view : m_depthStencilImageViews) {
-            if (view != VK_NULL_HANDLE) {
-                vkDestroyImageView(device, view, nullptr);
-            }
-        }
-        m_depthStencilImageViews.clear();
-
-        for (auto image : m_depthStencilImages) {
-            if (image != VK_NULL_HANDLE) {
-                vkDestroyImage(device, image, nullptr);
-            }
-        }
-        m_depthStencilImages.clear();
-
-        for (auto memory : m_depthStencilImageMemories) {
-            if (memory != VK_NULL_HANDLE) {
-                vkFreeMemory(device, memory, nullptr);
-            }
-        }
-        m_depthStencilImageMemories.clear();
-        m_depthStencilImageLayouts.clear();
-        m_depthStencilFormat = VK_FORMAT_UNDEFINED;
-    }
-
-    void SwapchainObject::Shutdown(VkDevice device) {
-        DestroyDepthStencilResources(device);
-
-        for (auto imageView : m_imageViews) {
-            vkDestroyImageView(device, imageView, nullptr);
-        }
-        m_imageViews.clear();
-
-        if (m_swapchain != VK_NULL_HANDLE) {
-            vkDestroySwapchainKHR(device, m_swapchain, nullptr);
-            m_swapchain = VK_NULL_HANDLE;
-        }
-
-        m_images.clear();
-        m_imageLayouts.clear();
-        m_preTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
-    }
-
-    VkImage SwapchainObject::GetImage(Uint32 index) const {
-        MOBILEGL_ASSERT(index < m_images.size(), "Swapchain image index out of range");
-        return m_images[index];
-    }
-
-    VkImageLayout SwapchainObject::GetImageLayout(Uint32 index) const {
-        MOBILEGL_ASSERT(index < m_imageLayouts.size(), "Swapchain image layout index out of range");
-        return m_imageLayouts[index];
-    }
-
-    void SwapchainObject::SetImageLayout(Uint32 index, VkImageLayout layout) {
-        MOBILEGL_ASSERT(index < m_imageLayouts.size(), "Swapchain image layout index out of range");
-        m_imageLayouts[index] = layout;
-    }
-
-    VkImage SwapchainObject::GetDepthStencilImage(Uint32 index) const {
-        MOBILEGL_ASSERT(index < m_depthStencilImages.size(), "Swapchain depth/stencil image index out of range");
-        return m_depthStencilImages[index];
-    }
-
-    VkImageView SwapchainObject::GetDepthStencilImageView(Uint32 index) const {
-        MOBILEGL_ASSERT(index < m_depthStencilImageViews.size(),
-                        "Swapchain depth/stencil image view index out of range");
-        return m_depthStencilImageViews[index];
-    }
-
-    VkImageLayout SwapchainObject::GetDepthStencilImageLayout(Uint32 index) const {
-        MOBILEGL_ASSERT(index < m_depthStencilImageLayouts.size(),
-                        "Swapchain depth/stencil image layout index out of range");
-        return m_depthStencilImageLayouts[index];
-    }
-
-    void SwapchainObject::SetDepthStencilImageLayout(Uint32 index, VkImageLayout layout) {
-        MOBILEGL_ASSERT(index < m_depthStencilImageLayouts.size(),
-                        "Swapchain depth/stencil image layout index out of range");
-        m_depthStencilImageLayouts[index] = layout;
-    }
-
-    void SwapchainObject::CreateImageViews(VkDevice device) {
-        m_imageViews.resize(m_images.size(), VK_NULL_HANDLE);
-        for (SizeT i = 0; i < m_imageViews.size(); i++) {
-            VkImageViewCreateInfo createInfo{};
-            createInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
-            createInfo.image = m_images[i];
-            createInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
-            createInfo.format = m_surfaceFormat.format;
-            createInfo.components.r = VK_COMPONENT_SWIZZLE_IDENTITY;
-            createInfo.components.g = VK_COMPONENT_SWIZZLE_IDENTITY;
-            createInfo.components.b = VK_COMPONENT_SWIZZLE_IDENTITY;
-            createInfo.components.a = VK_COMPONENT_SWIZZLE_IDENTITY;
-            createInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
-            createInfo.subresourceRange.baseMipLevel = 0;
-            createInfo.subresourceRange.levelCount = 1;
-            createInfo.subresourceRange.baseArrayLayer = 0;
-            createInfo.subresourceRange.layerCount = 1;
-            VK_VERIFY(vkCreateImageView(device, &createInfo, nullptr, &m_imageViews[i]));
-        }
-        MGLOG_I("Swapchain image views created");
-    }
-
-#undef VK_VERIFY
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/SwapchainObject.h

@@ -1,77 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/SwapchainObject.h
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#pragma once
-
-#include <Includes.h>
-#include "../VkIncludes.h"
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    class SwapchainObject {
-    public:
-        struct SwapchainCapabilities {
-            VkSurfaceCapabilitiesKHR capabilities;
-            Vector<VkSurfaceFormatKHR> surfaceFormats;
-            Vector<VkPresentModeKHR> presentModes;
-
-            Bool IsComplete() const {
-                return !surfaceFormats.empty() && !presentModes.empty();
-            }
-        };
-
-        static SwapchainCapabilities GetSwapchainCapabilities(VkPhysicalDevice physicalDevice, VkSurfaceKHR surface);
-        static VkSurfaceFormatKHR ChooseSwapchainSurfaceFormat(const Vector<VkSurfaceFormatKHR>& availableFormats);
-        static VkPresentModeKHR ChooseSwapchainPresentMode(const Vector<VkPresentModeKHR>& availablePresentModes);
-
-        void Create(VkDevice device, VkPhysicalDevice physicalDevice, VkSurfaceKHR surface, Uint32 graphicsQueueFamily,
-                    Uint32 presentQueueFamily, Uint32 minImageCountHint);
-        void Shutdown(VkDevice device);
-
-        VkSwapchainKHR GetHandle() const { return m_swapchain; }
-        const VkSurfaceFormatKHR& GetSurfaceFormat() const { return m_surfaceFormat; }
-        VkExtent2D GetExtent() const { return m_extent; }
-        VkSurfaceTransformFlagBitsKHR GetPreTransform() const { return m_preTransform; }
-        const Vector<VkImage>& GetImages() const { return m_images; }
-        const Vector<VkImageView>& GetImageViews() const { return m_imageViews; }
-        VkFormat GetDepthStencilFormat() const { return m_depthStencilFormat; }
-        const Vector<VkImageView>& GetDepthStencilImageViews() const { return m_depthStencilImageViews; }
-        VkImage GetDepthStencilImage(Uint32 index) const;
-        VkImageView GetDepthStencilImageView(Uint32 index) const;
-        VkImageLayout GetDepthStencilImageLayout(Uint32 index) const;
-        void SetDepthStencilImageLayout(Uint32 index, VkImageLayout layout);
-        VkImage GetImage(Uint32 index) const;
-        VkImageLayout GetImageLayout(Uint32 index) const;
-        void SetImageLayout(Uint32 index, VkImageLayout layout);
-        SizeT GetImageCount() const { return m_images.size(); }
-
-    private:
-        void CreateImageViews(VkDevice device);
-        void CreateDepthStencilResources(VkDevice device, VkPhysicalDevice physicalDevice);
-        void DestroyDepthStencilResources(VkDevice device);
-        static constexpr VkPresentModeKHR s_desiredPresentModes[] {
-            VK_PRESENT_MODE_MAILBOX_KHR,
-            VK_PRESENT_MODE_IMMEDIATE_KHR,
-            VK_PRESENT_MODE_FIFO_RELAXED_KHR,
-            VK_PRESENT_MODE_FIFO_KHR
-        };
-
-        VkSwapchainKHR m_swapchain = VK_NULL_HANDLE;
-        VkSurfaceFormatKHR m_surfaceFormat{};
-        VkExtent2D m_extent{};
-        VkSurfaceTransformFlagBitsKHR m_preTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
-        Vector<VkImage> m_images;
-        Vector<VkImageView> m_imageViews;
-        Vector<VkImageLayout> m_imageLayouts;
-
-        VkFormat m_depthStencilFormat = VK_FORMAT_UNDEFINED;
-        Vector<VkImage> m_depthStencilImages;
-        Vector<VkDeviceMemory> m_depthStencilImageMemories;
-        Vector<VkImageView> m_depthStencilImageViews;
-        Vector<VkImageLayout> m_depthStencilImageLayouts;
-    };
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/UniformManager.cpp

@@ -1,556 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/UniformDescriptorBinder.cpp
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#include "UniformManager.h"
-
-#include "MG_State/GLState/Core.h"
-#include "MG_State/GLState/ProgramState/ProgramObject.h"
-#include "MG_Util/Converters/MGToStr/FramebufferEnumConverter.h"
-#include <limits>
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    static Bool FindFramebufferAttachmentForTexture(const MG_State::GLState::FramebufferObject& framebuffer,
-                                                    const MG_State::GLState::ITextureObject& texture,
-                                                    FramebufferAttachmentType& outAttachment, Int& outLevel) {
-        const auto& attachments = framebuffer.GetAllAttachmentObjects();
-        for (SizeT i = 0; i < attachments.size(); ++i) {
-            const auto attachmentType = static_cast<FramebufferAttachmentType>(i);
-            if (attachmentType == FramebufferAttachmentType::None) {
-                continue;
-            }
-
-            const auto& attachment = attachments[i];
-            if (!attachment.IsTexture()) {
-                continue;
-            }
-
-            auto attachedTexture = attachment.GetTexture();
-            if (attachedTexture && attachedTexture.get() == &texture) {
-                outAttachment = attachmentType;
-                outLevel = attachment.GetTextureLevel();
-                return true;
-            }
-        }
-
-        return false;
-    }
-
-    static Bool IsValidSampledImageLayout(VkImageLayout layout) {
-        switch (layout) {
-        case VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL:
-        case VK_IMAGE_LAYOUT_GENERAL:
-        case VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL:
-        case VK_IMAGE_LAYOUT_DEPTH_READ_ONLY_STENCIL_ATTACHMENT_OPTIMAL:
-        case VK_IMAGE_LAYOUT_DEPTH_ATTACHMENT_STENCIL_READ_ONLY_OPTIMAL:
-            return true;
-        default:
-            return false;
-        }
-    }
-
-    Bool UniformManager::Initialize(VkDevice device, VkBufferManager* bufferManager,
-                                             ProgramFactory* programFactory,
-                                             VkDeviceSize minUniformBufferOffsetAlignment, Uint32 frameCount,
-                                             Uint32 maxBindings, Uint32 setsPerFrame,
-                                             VkTextureManager* textureManager, VkSamplerManager* samplerManager) {
-        Shutdown();
-
-        MOBILEGL_ASSERT(device != VK_NULL_HANDLE, "UniformDescriptorBinder::Initialize requires valid VkDevice");
-        MOBILEGL_ASSERT(bufferManager != nullptr, "UniformDescriptorBinder::Initialize requires valid buffer manager");
-        MOBILEGL_ASSERT(programFactory != nullptr,
-                        "UniformDescriptorBinder::Initialize requires valid program factory");
-        MOBILEGL_ASSERT(frameCount > 0, "UniformDescriptorBinder::Initialize requires frameCount > 0");
-        MOBILEGL_ASSERT(maxBindings > 0, "UniformDescriptorBinder::Initialize requires maxBindings > 0");
-        MOBILEGL_ASSERT(setsPerFrame > 0, "UniformDescriptorBinder::Initialize requires setsPerFrame > 0");
-        MOBILEGL_ASSERT(textureManager != nullptr,
-                        "UniformDescriptorBinder::Initialize requires valid texture manager");
-        MOBILEGL_ASSERT(samplerManager != nullptr,
-                        "UniformDescriptorBinder::Initialize requires valid sampler manager");
-
-        m_device = device;
-        m_bufferManager = bufferManager;
-        m_programFactory = programFactory;
-        m_minDynamicOffsetAlignment = std::max<VkDeviceSize>(1, minUniformBufferOffsetAlignment);
-        m_frameCount = frameCount;
-        m_maxBindings = maxBindings;
-        m_setsPerFrame = setsPerFrame;
-        m_peakDescriptorSetsObserved = 0;
-        m_textureManager = textureManager;
-        m_samplerManager = samplerManager;
-
-        m_frames.resize(m_frameCount);
-        for (Uint32 frameIndex = 0; frameIndex < m_frameCount; ++frameIndex) {
-            auto& frame = m_frames[frameIndex];
-            frame.activeDescriptorPoolIndex = 0;
-            frame.allocatedSetsThisFrame = 0;
-            frame.peakAllocatedSetsThisFrame = 0;
-            frame.descriptorPools.clear();
-
-            VkDescriptorPool initialPool = VK_NULL_HANDLE;
-            if (!CreateDescriptorPool(m_setsPerFrame, initialPool)) {
-                MGLOG_E("UniformDescriptorBinder::Initialize failed: cannot create frame descriptor pool %u",
-                        frameIndex);
-                Shutdown();
-                return false;
-            }
-            frame.descriptorPools.push_back({initialPool, m_setsPerFrame, 0});
-            MGLOG_D("UniformDescriptorBinder: frame %u descriptor pool created (maxSets=%u)", frameIndex,
-                    m_setsPerFrame);
-        }
-
-        return true;
-    }
-
-    void UniformManager::Shutdown() {
-        for (auto& frame : m_frames) {
-            if (m_device != VK_NULL_HANDLE) {
-                for (auto& bucket : frame.descriptorPools) {
-                    if (bucket.handle != VK_NULL_HANDLE) {
-                        vkDestroyDescriptorPool(m_device, bucket.handle, nullptr);
-                        bucket.handle = VK_NULL_HANDLE;
-                    }
-                }
-            }
-            frame.descriptorPools.clear();
-            frame.activeDescriptorPoolIndex = 0;
-            frame.allocatedSetsThisFrame = 0;
-            frame.peakAllocatedSetsThisFrame = 0;
-        }
-        m_frames.clear();
-
-        m_bufferManager = nullptr;
-        m_programFactory = nullptr;
-        m_device = VK_NULL_HANDLE;
-        m_minDynamicOffsetAlignment = 1;
-        m_frameCount = 0;
-        m_maxBindings = 0;
-        m_setsPerFrame = 0;
-        m_peakDescriptorSetsObserved = 0;
-        m_textureManager = nullptr;
-        m_samplerManager = nullptr;
-    }
-
-    void UniformManager::BeginFrame(Uint32 frameIndex) {
-        MOBILEGL_ASSERT(frameIndex < m_frames.size(), "UniformDescriptorBinder::BeginFrame invalid frame index");
-        auto& frame = m_frames[frameIndex];
-        if (frame.peakAllocatedSetsThisFrame > m_peakDescriptorSetsObserved) {
-            m_peakDescriptorSetsObserved = frame.peakAllocatedSetsThisFrame;
-            MGLOG_D(
-                "UniformDescriptorBinder: new descriptor set peak observed=%u (base setsPerFrame=%u, frame=%u, pools=%zu)",
-                m_peakDescriptorSetsObserved, m_setsPerFrame, frameIndex, frame.descriptorPools.size());
-        }
-        frame.activeDescriptorPoolIndex = 0;
-        frame.allocatedSetsThisFrame = 0;
-        frame.peakAllocatedSetsThisFrame = 0;
-        for (auto& bucket : frame.descriptorPools) {
-            bucket.allocatedSets = 0;
-            if (bucket.handle == VK_NULL_HANDLE) {
-                continue;
-            }
-            VK_VERIFY(vkResetDescriptorPool(m_device, bucket.handle, 0),
-                      "UniformDescriptorBinder::BeginFrame, vkResetDescriptorPool");
-        }
-    }
-
-    Bool UniformManager::ResolveSamplerDescriptor(VkCommandBuffer commandBuffer,
-                                                            const MG_State::GLState::ProgramObject& program,
-                                                            const ProgramFactory::VkProgramObject& programObj,
-                                                            Uint32 binding, VkDescriptorImageInfo& outImageInfo) const {
-        (void)commandBuffer;
-        MOBILEGL_ASSERT(m_textureManager != nullptr, "ResolveSamplerDescriptor: texture manager is null");
-        MOBILEGL_ASSERT(m_samplerManager != nullptr, "ResolveSamplerDescriptor: sampler manager is null");
-        SharedPtr<MG_State::GLState::ITextureObject> texture;
-        if (!ResolveSamplerTexture(program, programObj, binding, texture)) {
-            return false;
-        }
-
-        const Int location = programObj.samplerUniformLocationByBinding[binding];
-        const Int unit = program.GetUniformSamplerOrImageUnitIndex(static_cast<Uint>(location));
-        auto& textureUnit = MG_State::pGLContext->GetTextureUnitObject(unit);
-        const auto samplerOverride = textureUnit.GetSamplerObject();
-        if (!texture) {
-            return false;
-        }
-
-        const MG_State::GLState::SamplerObject* samplerToUse =
-            samplerOverride ? samplerOverride.get() : texture->GetSamplerObject().get();
-        if (!samplerToUse) {
-            return false;
-        }
-        VkTextureManager::TextureResource* resource = m_textureManager->SyncTextureAndGetDescriptor(*texture);
-        if (resource == nullptr) {
-            return false;
-        }
-        if (!IsValidSampledImageLayout(resource->layout)) {
-            auto drawFbo = MG_State::pGLContext->GetFramebufferBindingSlot(FramebufferTarget::Draw).GetBoundObject();
-            FramebufferAttachmentType attachmentType = FramebufferAttachmentType::None;
-            Int attachmentLevel = 0;
-            if (drawFbo &&
-                FindFramebufferAttachmentForTexture(*drawFbo, *texture, attachmentType, attachmentLevel)) {
-                MOBILEGL_ASSERT(false,
-                                "ResolveSamplerDescriptor: framebuffer feedback loop detected: textureId=%d is bound "
-                                "for sampling at binding=%u, but is also attached to drawFbo=%u as %s (level=%d, "
-                                "trackedLayout=%d)",
-                                texture->GetExternalIndex(), binding, drawFbo->GetExternalIndex(),
-                                MG_Util::ConvertFramebufferAttachmentTypeToString(attachmentType).c_str(),
-                                attachmentLevel, static_cast<Int>(resource->layout));
-            }
-
-            MOBILEGL_ASSERT(false,
-                            "ResolveSamplerDescriptor: invalid sampled image layout=%d for textureId=%d, binding=%u",
-                            static_cast<Int>(resource->layout), texture->GetExternalIndex(), binding);
-            return false;
-        }
-        outImageInfo = {
-            .sampler = m_samplerManager->GetOrCreateSampler(*samplerToUse),
-            .imageView = resource->fullView,
-            .imageLayout = resource->layout,
-        };
-        return outImageInfo.sampler != VK_NULL_HANDLE;
-    }
-
-    Bool UniformManager::ResolveSamplerDescriptorOverride(
-        const SamplerBindingOverride& samplerBindingOverride, VkDescriptorImageInfo& outImageInfo) const {
-        MOBILEGL_ASSERT(m_textureManager != nullptr, "ResolveSamplerDescriptorOverride: texture manager is null");
-        MOBILEGL_ASSERT(m_samplerManager != nullptr, "ResolveSamplerDescriptorOverride: sampler manager is null");
-        if (samplerBindingOverride.texture == nullptr || samplerBindingOverride.sampler == nullptr) {
-            return false;
-        }
-
-        auto* resource = m_textureManager->SyncTextureAndGetDescriptor(*samplerBindingOverride.texture);
-        if (resource == nullptr || !IsValidSampledImageLayout(resource->layout)) {
-            return false;
-        }
-
-        outImageInfo = {
-            .sampler = m_samplerManager->GetOrCreateSampler(*samplerBindingOverride.sampler),
-            .imageView = resource->fullView,
-            .imageLayout = resource->layout,
-        };
-        return outImageInfo.sampler != VK_NULL_HANDLE;
-    }
-
-    Bool UniformManager::ResolveSamplerTexture(const MG_State::GLState::ProgramObject& program,
-                                                         const ProgramFactory::VkProgramObject& programObj, Uint32 binding,
-                                                         SharedPtr<MG_State::GLState::ITextureObject>& outTexture) const {
-        outTexture.reset();
-        if (!MG_State::pGLContext || binding >= programObj.samplerUniformLocationByBinding.size()) {
-            return false;
-        }
-
-        const Int location = programObj.samplerUniformLocationByBinding[binding];
-        if (location < 0) {
-            return false;
-        }
-
-        const Int unit = program.GetUniformSamplerOrImageUnitIndex(static_cast<Uint>(location));
-        if (unit < 0) {
-            return false;
-        }
-
-        auto& textureUnit = MG_State::pGLContext->GetTextureUnitObject(unit);
-        const TextureTarget preferredTarget = programObj.samplerTextureTargetByBinding[binding];
-        outTexture = textureUnit.GetBindingSlot(preferredTarget).GetBoundObject();
-        return outTexture != nullptr;
-    }
-
-    Bool UniformManager::CollectSampledTextures(const MG_State::GLState::ProgramObject& program,
-                                                          const ProgramFactory::VkProgramObject& programObj,
-                                                          Vector<MG_State::GLState::ITextureObject*>& outTextures) {
-        outTextures.clear();
-
-        const Uint32 bindingCount =
-            std::min<Uint32>(m_maxBindings, static_cast<Uint32>(programObj.bindingKinds.size()));
-        for (Uint32 binding = 0; binding < bindingCount; ++binding) {
-            if (programObj.bindingKinds[binding] != ProgramFactory::DescriptorBindingKind::CombinedImageSampler) {
-                continue;
-            }
-
-            SharedPtr<MG_State::GLState::ITextureObject> texture;
-            if (!ResolveSamplerTexture(program, programObj, binding, texture) || !texture) {
-                continue;
-            }
-
-            auto found = std::find(outTextures.begin(), outTextures.end(), texture.get());
-            if (found == outTextures.end()) {
-                outTextures.push_back(texture.get());
-            }
-        }
-        return true;
-    }
-
-    Bool UniformManager::GatherBindingPayloads(const MG_State::GLState::ProgramObject& program,
-                                                        Vector<const void*>& outData,
-                                                        Vector<VkDeviceSize>& outSizes) const {
-        outData.assign(m_maxBindings, nullptr);
-        outSizes.assign(m_maxBindings, 0);
-
-        const Uint32 activeUniformBlockCount = static_cast<Uint32>(program.GetActiveUniformBlocksCount());
-        const Uint32 uniformBindingPointCount =
-            static_cast<Uint32>(MG_State::pGLContext->GetBufferBindingPointCount(BufferTarget::Uniform));
-
-        for (Uint32 blockIndex = 0; blockIndex < activeUniformBlockCount; ++blockIndex) {
-            const Uint32 binding = program.GetUniformBlockBinding(blockIndex);
-            if (binding >= m_maxBindings) {
-                continue;
-            }
-
-            VkDeviceSize blockSize = static_cast<VkDeviceSize>(program.GetUBOSizeAt(blockIndex));
-            if (blockSize == 0) {
-                continue;
-            }
-
-            if (binding >= uniformBindingPointCount) {
-                continue;
-            }
-            auto& bindingPoint = MG_State::pGLContext->GetBufferBindingPoint(BufferTarget::Uniform, binding);
-            const auto bufferObject = bindingPoint.GetBoundObject();
-            if (!bufferObject) {
-                continue;
-            }
-
-            const auto bufferData = bufferObject->GetDataReadOnly();
-            if (!bufferData || bufferData->empty()) {
-                continue;
-            }
-
-            const auto range = bindingPoint.GetRange();
-            const VkDeviceSize bufferSize = static_cast<VkDeviceSize>(bufferObject->GetSize());
-            VkDeviceSize rangeStart = static_cast<VkDeviceSize>(range.start);
-            VkDeviceSize rangeEnd = static_cast<VkDeviceSize>(range.end);
-
-            if (rangeStart >= bufferSize) {
-                continue;
-            }
-            if (rangeEnd <= rangeStart || rangeEnd > bufferSize) {
-                rangeEnd = bufferSize;
-            }
-
-            VkDeviceSize available = rangeEnd - rangeStart;
-            if (available == 0) {
-                continue;
-            }
-
-            outData[binding] = bufferData->data() + static_cast<SizeT>(rangeStart);
-            outSizes[binding] = std::min(blockSize, available);
-        }
-
-        return true;
-    }
-
-    Bool UniformManager::CreateDescriptorPool(Uint32 maxSets, VkDescriptorPool& outPool) const {
-        outPool = VK_NULL_HANDLE;
-        if (m_device == VK_NULL_HANDLE || maxSets == 0 || m_maxBindings == 0) {
-            return false;
-        }
-
-        const Uint64 descriptorCount64 = static_cast<Uint64>(maxSets) * static_cast<Uint64>(m_maxBindings);
-        if (descriptorCount64 > static_cast<Uint64>(std::numeric_limits<Uint32>::max())) {
-            MGLOG_E("UniformDescriptorBinder::CreateDescriptorPool failed: descriptorCount overflow");
-            return false;
-        }
-
-        const Uint32 descriptorCount = static_cast<Uint32>(descriptorCount64);
-        VkDescriptorPoolSize poolSizes[2]{};
-        poolSizes[0].type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC;
-        poolSizes[0].descriptorCount = descriptorCount;
-        poolSizes[1].type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
-        poolSizes[1].descriptorCount = descriptorCount;
-
-        VkDescriptorPoolCreateInfo poolInfo{};
-        poolInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
-        poolInfo.maxSets = maxSets;
-        poolInfo.poolSizeCount = static_cast<Uint32>(std::size(poolSizes));
-        poolInfo.pPoolSizes = poolSizes;
-
-        const VkResult result = vkCreateDescriptorPool(m_device, &poolInfo, nullptr, &outPool);
-        if (result != VK_SUCCESS) {
-            MGLOG_E("UniformDescriptorBinder::CreateDescriptorPool failed: vkCreateDescriptorPool returned %d",
-                    result);
-            return false;
-        }
-        return true;
-    }
-
-    Bool UniformManager::GrowFrameDescriptorPool(FrameResources& frame, Uint32 frameIndex) {
-        if (frame.descriptorPools.empty()) {
-            return false;
-        }
-
-        const auto& currentBucket = frame.descriptorPools[frame.activeDescriptorPoolIndex];
-        const Uint32 currentMaxSets = std::max<Uint32>(1, currentBucket.maxSets);
-        const Uint32 grownMaxSets = currentMaxSets <= (std::numeric_limits<Uint32>::max() / 2) ? (currentMaxSets * 2)
-                                                                                                 : currentMaxSets;
-
-        VkDescriptorPool grownPool = VK_NULL_HANDLE;
-        if (!CreateDescriptorPool(grownMaxSets, grownPool)) {
-            MGLOG_E("UniformDescriptorBinder::GrowFrameDescriptorPool failed: cannot create grown pool (%u -> %u sets)",
-                    currentMaxSets, grownMaxSets);
-            return false;
-        }
-
-        frame.descriptorPools.push_back({grownPool, grownMaxSets, 0});
-        frame.activeDescriptorPoolIndex = static_cast<Uint32>(frame.descriptorPools.size() - 1);
-        MGLOG_D(
-            "UniformDescriptorBinder: frame %u descriptor pool exhausted, grew pool (%u -> %u sets), poolCount=%zu",
-            frameIndex, currentMaxSets, grownMaxSets, frame.descriptorPools.size());
-        return true;
-    }
-
-    VkResult UniformManager::AllocateDescriptorSetsFromActivePool(Uint32 frameIndex, const ProgramFactory::VkProgramObject& programObj, VkDescriptorSet& outDescriptorSet) {
-        auto& frame = m_frames[frameIndex];
-        auto& bucket = frame.descriptorPools[frame.activeDescriptorPoolIndex];
-        VkDescriptorSetAllocateInfo allocInfo{};
-        allocInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
-        allocInfo.descriptorSetCount = 1;
-        allocInfo.pSetLayouts = &programObj.descriptorSetLayout;
-
-        allocInfo.descriptorPool = bucket.handle;
-        VkResult result = vkAllocateDescriptorSets(m_device, &allocInfo, &outDescriptorSet);
-        if (result == VK_SUCCESS) {
-            ++bucket.allocatedSets;
-            ++frame.allocatedSetsThisFrame;
-            frame.peakAllocatedSetsThisFrame =
-                std::max(frame.peakAllocatedSetsThisFrame, frame.allocatedSetsThisFrame);
-        }
-        return result;
-    }
-
-    Bool UniformManager::BindProgramUniformBuffers(VkCommandBuffer commandBuffer,
-                                                             const MG_State::GLState::ProgramObject& program,
-                                                             const ProgramFactory::VkProgramObject& programObj,
-                                                             Uint32 frameIndex,
-                                                             const SamplerBindingOverride* samplerBindingOverride) {
-        auto& frame = m_frames[frameIndex];
-        if (frame.descriptorPools.empty()) {
-            MGLOG_E("UniformDescriptorBinder::BindProgramUniformBuffers failed: frame descriptor pools are invalid");
-            return false;
-        }
-        if (frame.activeDescriptorPoolIndex >= frame.descriptorPools.size()) {
-            frame.activeDescriptorPoolIndex = 0;
-        }
-
-        VkDescriptorSet descriptorSet = VK_NULL_HANDLE;
-        VkResult allocResult = AllocateDescriptorSetsFromActivePool(frameIndex, programObj, descriptorSet);
-        if (allocResult == VK_ERROR_OUT_OF_POOL_MEMORY || allocResult == VK_ERROR_FRAGMENTED_POOL) {
-            if (!GrowFrameDescriptorPool(frame, frameIndex)) {
-                MGLOG_E("UniformDescriptorBinder::BindProgramUniformBuffers failed: descriptor pool growth failed");
-                return false;
-            }
-            allocResult = AllocateDescriptorSetsFromActivePool(frameIndex, programObj, descriptorSet);
-        }
-        if (allocResult != VK_SUCCESS || descriptorSet == VK_NULL_HANDLE) {
-            MGLOG_E("UniformDescriptorBinder::BindProgramUniformBuffers failed: vkAllocateDescriptorSets returned %d",
-                    allocResult);
-            return false;
-        }
-
-        Vector<const void*> bindingData;
-        Vector<VkDeviceSize> bindingSizes;
-        if (!GatherBindingPayloads(program, bindingData, bindingSizes)) {
-            MGLOG_E("UniformDescriptorBinder::BindProgramUniformBuffers failed: cannot gather UBO payloads");
-            return false;
-        }
-
-        MOBILEGL_ASSERT(m_textureManager != nullptr, "BindProgramUniformBuffers: texture manager is null");
-        MOBILEGL_ASSERT(m_samplerManager != nullptr, "BindProgramUniformBuffers: sampler manager is null");
-        MOBILEGL_ASSERT(m_bufferManager != nullptr, "BindProgramUniformBuffers: buffer manager is null");
-
-        Vector<VkWriteDescriptorSet> writes;
-        writes.reserve(m_maxBindings);
-        Vector<VkDescriptorBufferInfo> bufferInfos;
-        Vector<VkDescriptorImageInfo> imageInfos;
-        Vector<Uint32> dynamicOffsets;
-        bufferInfos.reserve(m_maxBindings);
-        imageInfos.reserve(m_maxBindings);
-        dynamicOffsets.reserve(programObj.dynamicBindings.size());
-
-        const Uint32 bindingCount =
-            std::min<Uint32>(m_maxBindings, static_cast<Uint32>(programObj.bindingKinds.size()));
-        for (Uint32 binding = 0; binding < bindingCount; ++binding) {
-            const auto kind = programObj.bindingKinds[binding];
-            if (kind == ProgramFactory::DescriptorBindingKind::None) {
-                continue;
-            }
-
-            VkWriteDescriptorSet write{};
-            write.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
-            write.dstSet = descriptorSet;
-            write.dstBinding = binding;
-            write.dstArrayElement = 0;
-            write.descriptorCount = 1;
-
-            if (kind == ProgramFactory::DescriptorBindingKind::UniformBufferDynamic) {
-                const void* payload = bindingData[binding];
-                VkDeviceSize payloadSize = bindingSizes[binding];
-                if (payload == nullptr || payloadSize == 0) {
-                    if (programObj.globalUboBinding == static_cast<Int>(binding)) {
-                        const void* globalUboData = program.GetUBOData();
-                        const VkDeviceSize globalUboSize = static_cast<VkDeviceSize>(program.GetUBOSize());
-                        if (globalUboData != nullptr && globalUboSize > 0) {
-                            payload = globalUboData;
-                            payloadSize = globalUboSize;
-                        }
-                    }
-                }
-
-                BufferSlice slice{};
-                if (!m_bufferManager->UploadTransient(BufferKind::Uniform, frameIndex, payload, payloadSize,
-                                                     m_minDynamicOffsetAlignment, slice)) {
-                    MOBILEGL_ASSERT(false, "UniformDescriptorBinder::BindProgramUniformBuffers failed: UBO upload failed on binding %u",
-                            binding);
-                    return false;
-                }
-
-                VkDescriptorBufferInfo bufferInfo{};
-                bufferInfo.buffer = slice.buffer;
-                bufferInfo.offset = 0;
-                bufferInfo.range = payloadSize;
-                bufferInfos.push_back(bufferInfo);
-
-                write.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC;
-                write.pBufferInfo = &bufferInfos.back();
-                writes.push_back(write);
-                dynamicOffsets.push_back(static_cast<Uint32>(slice.offset));
-            } else {
-                VkDescriptorImageInfo imageInfo{};
-                Bool hasImage = false;
-                if (samplerBindingOverride != nullptr &&
-                    samplerBindingOverride->binding == binding &&
-                    samplerBindingOverride->texture != nullptr &&
-                    samplerBindingOverride->sampler != nullptr) {
-                    hasImage = ResolveSamplerDescriptorOverride(*samplerBindingOverride, imageInfo);
-                } else {
-                    hasImage = ResolveSamplerDescriptor(commandBuffer, program, programObj, binding, imageInfo);
-                }
-                if (!hasImage) {
-                    MGLOG_E("UniformDescriptorBinder::BindProgramUniformBuffers failed: sampler binding %u has no valid texture descriptor",
-                            binding);
-                    return false;
-                }
-                if (imageInfo.sampler == VK_NULL_HANDLE || imageInfo.imageView == VK_NULL_HANDLE) {
-                    MGLOG_E("UniformDescriptorBinder::BindProgramUniformBuffers failed: sampler binding %u has null sampler or imageView",
-                            binding);
-                    return false;
-                }
-                imageInfos.push_back(imageInfo);
-                write.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
-                write.pImageInfo = &imageInfos.back();
-                writes.push_back(write);
-            }
-        }
-
-        if (!writes.empty()) {
-            vkUpdateDescriptorSets(m_device, static_cast<Uint32>(writes.size()), writes.data(), 0, nullptr);
-        }
-
-        vkCmdBindDescriptorSets(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, programObj.pipelineLayout, 0, 1,
-                                &descriptorSet, static_cast<Uint32>(dynamicOffsets.size()), dynamicOffsets.data());
-        return true;
-    }
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/UniformManager.h

@@ -1,93 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/UniformDescriptorBinder.h
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#pragma once
-
-#include "ProgramFactory.h"
-#include "VkBufferManager.h"
-#include "VkSamplerManager.h"
-#include "VkTextureManager.h"
-#include "../VkIncludes.h"
-#include <Includes.h>
-
-namespace MobileGL::MG_State::GLState {
-    class ITextureObject;
-    class ProgramObject;
-    class SamplerObject;
-}
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    class UniformManager {
-    public:
-        struct SamplerBindingOverride {
-            Uint32 binding = 0;
-            MG_State::GLState::ITextureObject* texture = nullptr;
-            const MG_State::GLState::SamplerObject* sampler = nullptr;
-        };
-
-        Bool Initialize(VkDevice device, VkBufferManager* bufferManager,
-                        ProgramFactory* programFactory,
-                        VkDeviceSize minUniformBufferOffsetAlignment, Uint32 frameCount,
-                        Uint32 maxBindings = 16, Uint32 setsPerFrame = 64,
-                        VkTextureManager* textureManager = nullptr, VkSamplerManager* samplerManager = nullptr);
-        void Shutdown();
-
-        void BeginFrame(Uint32 frameIndex);
-        Bool CollectSampledTextures(const MG_State::GLState::ProgramObject& program,
-                                    const ProgramFactory::VkProgramObject& programObj,
-                                    Vector<MG_State::GLState::ITextureObject*>& outTextures);
-        Bool BindProgramUniformBuffers(VkCommandBuffer commandBuffer,
-                                       const MG_State::GLState::ProgramObject& program,
-                                       const ProgramFactory::VkProgramObject& programObj,
-                                       Uint32 frameIndex,
-                                       const SamplerBindingOverride* samplerBindingOverride = nullptr);
-
-    private:
-        struct DescriptorPoolBucket {
-            VkDescriptorPool handle = VK_NULL_HANDLE;
-            Uint32 maxSets = 0;
-            Uint32 allocatedSets = 0;
-        };
-
-        struct FrameResources {
-            Vector<DescriptorPoolBucket> descriptorPools;
-            Uint32 activeDescriptorPoolIndex = 0;
-            Uint32 allocatedSetsThisFrame = 0;
-            Uint32 peakAllocatedSetsThisFrame = 0;
-        };
-
-        Bool ResolveSamplerTexture(const MG_State::GLState::ProgramObject& program,
-                                   const ProgramFactory::VkProgramObject& programObj, Uint32 binding,
-                                   SharedPtr<MG_State::GLState::ITextureObject>& outTexture) const;
-        Bool ResolveSamplerDescriptor(VkCommandBuffer commandBuffer, const MG_State::GLState::ProgramObject& program,
-                                      const ProgramFactory::VkProgramObject& programObj, Uint32 binding,
-                                      VkDescriptorImageInfo& outImageInfo) const;
-        Bool ResolveSamplerDescriptorOverride(const SamplerBindingOverride& samplerBindingOverride,
-                                              VkDescriptorImageInfo& outImageInfo) const;
-        Bool GatherBindingPayloads(const MG_State::GLState::ProgramObject& program, Vector<const void*>& outData,
-                                   Vector<VkDeviceSize>& outSizes) const;
-        Bool CreateDescriptorPool(Uint32 maxSets, VkDescriptorPool& outPool) const;
-        Bool GrowFrameDescriptorPool(FrameResources& frame, Uint32 frameIndex);
-        VkResult AllocateDescriptorSetsFromActivePool(
-            Uint32 frameIndex, const ProgramFactory::VkProgramObject& programObj, VkDescriptorSet& outDescriptorSet);
-
-        VkDevice m_device = VK_NULL_HANDLE;
-        VkBufferManager* m_bufferManager = nullptr;
-        ProgramFactory* m_programFactory = nullptr;
-        Vector<FrameResources> m_frames;
-
-        VkDeviceSize m_minDynamicOffsetAlignment = 1;
-        Uint32 m_frameCount = 0;
-        Uint32 m_maxBindings = 0;
-        Uint32 m_setsPerFrame = 0;
-        Uint32 m_peakDescriptorSetsObserved = 0;
-        VkTextureManager* m_textureManager = nullptr;
-        VkSamplerManager* m_samplerManager = nullptr;
-    };
-} // namespace MobileGL::MG_Backend::DirectVulkan
-

MobileGL/MG_Backend/DirectVulkan/Renderer/VertexInputStateBuilder.cpp

@@ -1,64 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/VertexInputStateBuilder.cpp
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#include "VertexInputStateBuilder.h"
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    VertexInputStateBuilder::VertexInputStateBuilder() {
-        Reset();
-    }
-
-    void VertexInputStateBuilder::Reset() {
-        m_bindings.clear();
-        m_attributes.clear();
-
-        m_state = {};
-        m_state.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
-        m_state.vertexBindingDescriptionCount = 0;
-        m_state.pVertexBindingDescriptions = nullptr;
-        m_state.vertexAttributeDescriptionCount = 0;
-        m_state.pVertexAttributeDescriptions = nullptr;
-    }
-
-    VertexInputStateBuilder& VertexInputStateBuilder::AddBinding(
-        Uint32 binding, Uint32 stride, VkVertexInputRate inputRate) {
-        VkVertexInputBindingDescription desc{};
-        desc.binding = binding;
-        desc.stride = stride;
-        desc.inputRate = inputRate;
-        m_bindings.push_back(desc);
-        return *this;
-    }
-
-    VertexInputStateBuilder& VertexInputStateBuilder::AddAttribute(
-        Uint32 location, Uint32 binding, VkFormat format, Uint32 offset) {
-        VkVertexInputAttributeDescription desc{};
-        desc.location = location;
-        desc.binding = binding;
-        desc.format = format;
-        desc.offset = offset;
-        m_attributes.push_back(desc);
-        return *this;
-    }
-
-    const VkPipelineVertexInputStateCreateInfo& VertexInputStateBuilder::Build() {
-        m_state.vertexBindingDescriptionCount = static_cast<Uint32>(m_bindings.size());
-        m_state.pVertexBindingDescriptions = m_bindings.empty() ? nullptr : m_bindings.data();
-        m_state.vertexAttributeDescriptionCount = static_cast<Uint32>(m_attributes.size());
-        m_state.pVertexAttributeDescriptions = m_attributes.empty() ? nullptr : m_attributes.data();
-        return m_state;
-    }
-
-    const Vector<VkVertexInputBindingDescription>& VertexInputStateBuilder::GetBindings() const {
-        return m_bindings;
-    }
-
-    const Vector<VkVertexInputAttributeDescription>& VertexInputStateBuilder::GetAttributes() const {
-        return m_attributes;
-    }
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/VertexInputStateBuilder.h

@@ -1,31 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/VertexInputStateBuilder.h
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#pragma once
-#include <Includes.h>
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    class VertexInputStateBuilder {
-    public:
-        VertexInputStateBuilder();
-
-        void Reset();
-        VertexInputStateBuilder& AddBinding(
-            Uint32 binding, Uint32 stride, VkVertexInputRate inputRate = VK_VERTEX_INPUT_RATE_VERTEX);
-        VertexInputStateBuilder& AddAttribute(Uint32 location, Uint32 binding, VkFormat format, Uint32 offset);
-
-        const VkPipelineVertexInputStateCreateInfo& Build();
-        const Vector<VkVertexInputBindingDescription>& GetBindings() const;
-        const Vector<VkVertexInputAttributeDescription>& GetAttributes() const;
-
-    private:
-        VkPipelineVertexInputStateCreateInfo m_state{};
-        Vector<VkVertexInputBindingDescription> m_bindings;
-        Vector<VkVertexInputAttributeDescription> m_attributes;
-    };
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/VertexInputStateFactory.cpp

@@ -1,237 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/VertexInputStateFactory.cpp
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#include "VertexInputStateFactory.h"
-#include "MG_Util/Converters/MGToStr/DataTypeConverter.h"
-#include <utility>
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    VertexInputStateFactory::HashType VertexInputStateFactory::ComputeHash(
-        const MG_State::GLState::VertexArrayObject& vao) const {
-        XXHASH_VERIFY(XXH64_reset(m_hashState, m_config.CacheVersion));
-
-        for (Int i = 0; i < MG_State::GLState::VertexArrayObject::MAX_VERTEX_ATTRIBS; ++i) {
-            const auto& attr = vao.GetAttribute(i);
-
-            XXHASH_VERIFY(XXH64_update(m_hashState, &attr.Enabled, sizeof(attr.Enabled)));
-            if (!attr.Enabled) {
-                continue;
-            }
-
-            XXHASH_VERIFY(XXH64_update(m_hashState, &attr.Size, sizeof(attr.Size)));
-            XXHASH_VERIFY(XXH64_update(m_hashState, &attr.Type, sizeof(attr.Type)));
-            XXHASH_VERIFY(XXH64_update(m_hashState, &attr.Normalized, sizeof(attr.Normalized)));
-            XXHASH_VERIFY(XXH64_update(m_hashState, &attr.Stride, sizeof(attr.Stride)));
-            XXHASH_VERIFY(XXH64_update(m_hashState, &attr.Offset, sizeof(attr.Offset)));
-            XXHASH_VERIFY(XXH64_update(m_hashState, &attr.IsInteger, sizeof(attr.IsInteger)));
-            XXHASH_VERIFY(XXH64_update(m_hashState, &attr.Divisor, sizeof(attr.Divisor)));
-
-            const SizeT bufferKey = reinterpret_cast<SizeT>(attr.Buffer.get());
-            XXHASH_VERIFY(XXH64_update(m_hashState, &bufferKey, sizeof(bufferKey)));
-        }
-
-        return XXH64_digest(m_hashState);
-    }
-
-    const VertexInputStateFactory::BackendVertexInputState& VertexInputStateFactory::GetOrCreateVertexInputState(
-        const MG_State::GLState::VertexArrayObject& vao) {
-        const HashType hash = ComputeHash(vao);
-        auto it = m_cache.find(hash);
-        if (it != m_cache.end()) {
-            return it->second;
-        }
-
-        VertexInputStateBuilder builder;
-        UnorderedMap<SizeT, Uint32> bindingByBufferKey;
-        UnorderedMap<SizeT, Uint32> strideByBufferKey;
-        UnorderedMap<SizeT, VkVertexInputRate> inputRateByBufferKey;
-        Vector<SizeT> bindingBufferKeys;
-
-        for (Uint32 location = 0; location < MG_State::GLState::VertexArrayObject::MAX_VERTEX_ATTRIBS; ++location) {
-            const auto& attr = vao.GetAttribute(location);
-            if (!attr.Enabled || !attr.Buffer) {
-                continue;
-            }
-
-            const auto vkFormat = ToVkVertexFormat(attr.Type, attr.Size, attr.Normalized, attr.IsInteger);
-            if (vkFormat == VK_FORMAT_UNDEFINED) {
-                MGLOG_D("Skipping unsupported vertex attribute layout (location=%u, type=%s, size=%d)",
-                        location, MG_Util::ConvertDataTypeToString(attr.Type).c_str(), attr.Size);
-                continue;
-            }
-
-            const SizeT componentSize = GetComponentSize(attr.Type);
-            if (componentSize == 0) {
-                MGLOG_D("Skipping vertex attribute with unknown component size (location=%u, type=%s)",
-                        location, MG_Util::ConvertDataTypeToString(attr.Type).c_str());
-                continue;
-            }
-
-            const Uint32 stride = attr.Stride > 0
-                                      ? static_cast<Uint32>(attr.Stride)
-                                      : static_cast<Uint32>(componentSize * static_cast<SizeT>(attr.Size));
-            const VkVertexInputRate inputRate =
-                (attr.Divisor == 0) ? VK_VERTEX_INPUT_RATE_VERTEX : VK_VERTEX_INPUT_RATE_INSTANCE;
-
-            const SizeT bufferKey = reinterpret_cast<SizeT>(attr.Buffer.get());
-            Uint32 binding = 0;
-            auto itBinding = bindingByBufferKey.find(bufferKey);
-            if (itBinding == bindingByBufferKey.end()) {
-                binding = static_cast<Uint32>(bindingByBufferKey.size());
-                bindingByBufferKey.emplace(bufferKey, binding);
-                strideByBufferKey.emplace(bufferKey, stride);
-                inputRateByBufferKey.emplace(bufferKey, inputRate);
-                bindingBufferKeys.push_back(bufferKey);
-                builder.AddBinding(binding, stride, inputRate);
-            } else {
-                binding = itBinding->second;
-                if (strideByBufferKey[bufferKey] != stride) {
-                    MGLOG_D("Skipping vertex attribute at location %u: stride mismatch (%u vs %u) on same buffer",
-                            location, stride, strideByBufferKey[bufferKey]);
-                    continue;
-                }
-                if (inputRateByBufferKey[bufferKey] != inputRate) {
-                    MGLOG_D("Skipping vertex attribute at location %u: input-rate mismatch on same buffer", location);
-                    continue;
-                }
-            }
-
-            builder.AddAttribute(location, binding, vkFormat, static_cast<Uint32>(attr.Offset));
-        }
-
-        const auto& state = builder.Build();
-
-        auto& entry = m_cache[hash];
-        entry.hash = hash;
-        entry.bindings = builder.GetBindings();
-        entry.attributes = builder.GetAttributes();
-        entry.bindingBufferKeys = std::move(bindingBufferKeys);
-        entry.state = state;
-        entry.state.pVertexBindingDescriptions = entry.bindings.empty() ? nullptr : entry.bindings.data();
-        entry.state.pVertexAttributeDescriptions = entry.attributes.empty() ? nullptr : entry.attributes.data();
-        return entry;
-    }
-
-    VkFormat VertexInputStateFactory::ToVkVertexFormat(DataType type, Int size, Bool normalized, Bool isInteger) {
-        switch (type) {
-        case DataType::Float32:
-            switch (size) {
-            case 1: return VK_FORMAT_R32_SFLOAT;
-            case 2: return VK_FORMAT_R32G32_SFLOAT;
-            case 3: return VK_FORMAT_R32G32B32_SFLOAT;
-            case 4: return VK_FORMAT_R32G32B32A32_SFLOAT;
-            default: return VK_FORMAT_UNDEFINED;
-            }
-        case DataType::Int32:
-            if (!isInteger || normalized) return VK_FORMAT_UNDEFINED;
-            switch (size) {
-            case 1: return VK_FORMAT_R32_SINT;
-            case 2: return VK_FORMAT_R32G32_SINT;
-            case 3: return VK_FORMAT_R32G32B32_SINT;
-            case 4: return VK_FORMAT_R32G32B32A32_SINT;
-            default: return VK_FORMAT_UNDEFINED;
-            }
-        case DataType::Uint32:
-            if (!isInteger || normalized) return VK_FORMAT_UNDEFINED;
-            switch (size) {
-            case 1: return VK_FORMAT_R32_UINT;
-            case 2: return VK_FORMAT_R32G32_UINT;
-            case 3: return VK_FORMAT_R32G32B32_UINT;
-            case 4: return VK_FORMAT_R32G32B32A32_UINT;
-            default: return VK_FORMAT_UNDEFINED;
-            }
-        case DataType::Int16:
-            switch (size) {
-            case 1:
-                return isInteger ? VK_FORMAT_R16_SINT
-                                 : (normalized ? VK_FORMAT_R16_SNORM : VK_FORMAT_R16_SSCALED);
-            case 2:
-                return isInteger ? VK_FORMAT_R16G16_SINT
-                                 : (normalized ? VK_FORMAT_R16G16_SNORM : VK_FORMAT_R16G16_SSCALED);
-            case 3:
-                return isInteger ? VK_FORMAT_R16G16B16_SINT
-                                 : (normalized ? VK_FORMAT_R16G16B16_SNORM : VK_FORMAT_R16G16B16_SSCALED);
-            case 4:
-                return isInteger ? VK_FORMAT_R16G16B16A16_SINT
-                                 : (normalized ? VK_FORMAT_R16G16B16A16_SNORM : VK_FORMAT_R16G16B16A16_SSCALED);
-            default: return VK_FORMAT_UNDEFINED;
-            }
-        case DataType::Uint16:
-            switch (size) {
-            case 1:
-                return isInteger ? VK_FORMAT_R16_UINT
-                                 : (normalized ? VK_FORMAT_R16_UNORM : VK_FORMAT_R16_USCALED);
-            case 2:
-                return isInteger ? VK_FORMAT_R16G16_UINT
-                                 : (normalized ? VK_FORMAT_R16G16_UNORM : VK_FORMAT_R16G16_USCALED);
-            case 3:
-                return isInteger ? VK_FORMAT_R16G16B16_UINT
-                                 : (normalized ? VK_FORMAT_R16G16B16_UNORM : VK_FORMAT_R16G16B16_USCALED);
-            case 4:
-                return isInteger ? VK_FORMAT_R16G16B16A16_UINT
-                                 : (normalized ? VK_FORMAT_R16G16B16A16_UNORM : VK_FORMAT_R16G16B16A16_USCALED);
-            default: return VK_FORMAT_UNDEFINED;
-            }
-        case DataType::Int8:
-            switch (size) {
-            case 1:
-                return isInteger ? VK_FORMAT_R8_SINT
-                                 : (normalized ? VK_FORMAT_R8_SNORM : VK_FORMAT_R8_SSCALED);
-            case 2:
-                return isInteger ? VK_FORMAT_R8G8_SINT
-                                 : (normalized ? VK_FORMAT_R8G8_SNORM : VK_FORMAT_R8G8_SSCALED);
-            case 3:
-                return isInteger ? VK_FORMAT_R8G8B8_SINT
-                                 : (normalized ? VK_FORMAT_R8G8B8_SNORM : VK_FORMAT_R8G8B8_SSCALED);
-            case 4:
-                return isInteger ? VK_FORMAT_R8G8B8A8_SINT
-                                 : (normalized ? VK_FORMAT_R8G8B8A8_SNORM : VK_FORMAT_R8G8B8A8_SSCALED);
-            default: return VK_FORMAT_UNDEFINED;
-            }
-        case DataType::Uint8:
-            switch (size) {
-            case 1:
-                return isInteger ? VK_FORMAT_R8_UINT
-                                 : (normalized ? VK_FORMAT_R8_UNORM : VK_FORMAT_R8_USCALED);
-            case 2:
-                return isInteger ? VK_FORMAT_R8G8_UINT
-                                 : (normalized ? VK_FORMAT_R8G8_UNORM : VK_FORMAT_R8G8_USCALED);
-            case 3:
-                return isInteger ? VK_FORMAT_R8G8B8_UINT
-                                 : (normalized ? VK_FORMAT_R8G8B8_UNORM : VK_FORMAT_R8G8B8_USCALED);
-            case 4:
-                return isInteger ? VK_FORMAT_R8G8B8A8_UINT
-                                 : (normalized ? VK_FORMAT_R8G8B8A8_UNORM : VK_FORMAT_R8G8B8A8_USCALED);
-            default: return VK_FORMAT_UNDEFINED;
-            }
-        default:
-            return VK_FORMAT_UNDEFINED;
-        }
-    }
-
-    SizeT VertexInputStateFactory::GetComponentSize(DataType type) {
-        switch (type) {
-        case DataType::Int8:
-        case DataType::Uint8:
-            return 1;
-        case DataType::Int16:
-        case DataType::Uint16:
-        case DataType::Float16:
-            return 2;
-        case DataType::Int32:
-        case DataType::Uint32:
-        case DataType::Float32:
-        case DataType::Fixed32:
-            return 4;
-        case DataType::Float64:
-            return 8;
-        default:
-            return 0;
-        }
-    }
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/VertexInputStateFactory.h

@@ -1,48 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/VertexInputStateFactory.h
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#pragma once
-
-#include "Config.h"
-#include "VertexInputStateBuilder.h"
-#include "MG_State/GLState/VertexArrayState/VertexArrayObject.h"
-#include <Includes.h>
-#include "../VkIncludes.h"
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    class VertexInputStateFactory {
-    public:
-        using HashType = Uint64;
-
-        struct BackendVertexInputState {
-            HashType hash = 0;
-            Vector<VkVertexInputBindingDescription> bindings;
-            Vector<VkVertexInputAttributeDescription> attributes;
-            Vector<SizeT> bindingBufferKeys;
-            VkPipelineVertexInputStateCreateInfo state{
-                VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO
-            };
-        };
-
-        explicit VertexInputStateFactory(const VulkanRendererConfig& config):
-            m_config(config) {}
-        ~VertexInputStateFactory() = default;
-        VertexInputStateFactory(const VertexInputStateFactory&) = delete;
-
-        HashType ComputeHash(const MG_State::GLState::VertexArrayObject& vao) const;
-        const BackendVertexInputState& GetOrCreateVertexInputState(const MG_State::GLState::VertexArrayObject& vao);
-
-    private:
-        static VkFormat ToVkVertexFormat(DataType type, Int size, Bool normalized, Bool isInteger);
-        static SizeT GetComponentSize(DataType type);
-
-        const VulkanRendererConfig& m_config;
-        UnorderedMap<HashType, BackendVertexInputState> m_cache;
-        static inline XXH64_state_t* m_hashState = XXH64_createState();
-    };
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/VkBufferManager.cpp

@@ -1,246 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/VkBufferManager.cpp
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#include "VkBufferManager.h"
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    namespace {
-        constexpr Uint32 kResidentBufferGCInterval = 60;
-        constexpr VmaAllocationCreateFlags kResidentBufferAllocationFlags =
-            VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT;
-    } // namespace
-
-    Bool VkBufferManager::Initialize(const VkBufferManagerInitInfo& initInfo) {
-        Shutdown();
-
-        MOBILEGL_ASSERT(initInfo.allocator != nullptr, "VkBufferManager::Initialize requires valid allocator");
-        MOBILEGL_ASSERT(initInfo.frameCount > 0, "VkBufferManager::Initialize requires non-zero frame count");
-
-        m_initInfo = initInfo;
-        m_deferredResidentReleases.resize(initInfo.frameCount);
-        m_currentFrameIndex = 0;
-        return InitializeTransientArenas();
-    }
-
-    void VkBufferManager::Shutdown() {
-        m_transientUploadArena.Shutdown();
-        DestroyResidentBuffers();
-        DestroyDeferredResidentReleases();
-        m_initInfo = {};
-        m_currentFrameIndex = 0;
-        m_residentGcTick = 0;
-    }
-
-    Bool VkBufferManager::RecreateTransientArenas(Uint32 frameCount) {
-        MOBILEGL_ASSERT(m_initInfo.allocator != nullptr, "VkBufferManager::RecreateTransientArenas requires initialized manager");
-        MOBILEGL_ASSERT(frameCount > 0, "VkBufferManager::RecreateTransientArenas requires non-zero frame count");
-
-        m_transientUploadArena.Shutdown();
-        m_initInfo.frameCount = frameCount;
-        DestroyDeferredResidentReleases();
-        m_deferredResidentReleases.resize(frameCount);
-        m_currentFrameIndex = 0;
-        return InitializeTransientArenas();
-    }
-
-    void VkBufferManager::BeginFrame(Uint32 frameIndex) {
-        MOBILEGL_ASSERT(frameIndex < m_deferredResidentReleases.size(),
-                        "VkBufferManager::BeginFrame frame index out of range");
-        m_currentFrameIndex = frameIndex;
-        CollectDeferredResidentReleases(frameIndex);
-        m_transientUploadArena.BeginFrame(frameIndex);
-    }
-
-    Bool VkBufferManager::UploadTransient(BufferKind kind, Uint32 frameIndex, const void* data,
-                                          VkDeviceSize size, VkDeviceSize alignment, BufferSlice& outSlice) {
-        (void)kind;
-        return m_transientUploadArena.Upload(frameIndex, data, size, alignment, outSlice);
-    }
-
-    Bool VkBufferManager::InitializeTransientArenas() {
-        return m_transientUploadArena.Initialize({
-            .allocator = m_initInfo.allocator,
-            .frameCount = m_initInfo.frameCount,
-            .usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT |
-                     VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
-            .memoryUsage = m_initInfo.transientMemoryUsage,
-            .allocationFlags = m_initInfo.transientAllocationFlags,
-            .minBufferSize = m_initInfo.minUploadBytes,
-            .persistentlyMapped = m_initInfo.transientPersistentMapping,
-        });
-    }
-
-    Bool VkBufferManager::SyncResidentBuffer(BufferKind kind,
-                                             const SharedPtr<MG_State::GLState::BufferObject>& bufferObject,
-                                             BufferSlice& outSlice) {
-        const VkBufferUsageFlags requiredUsage = GetVkBufferUsage(kind);
-        MOBILEGL_ASSERT(requiredUsage != 0,
-                        "VkBufferManager::SyncResidentBuffer only supports resident vertex/index buffers");
-        MOBILEGL_ASSERT(bufferObject != nullptr, "VkBufferManager::SyncResidentBuffer requires valid buffer object");
-        CollectResidentGarbageIfNeeded();
-
-        const auto* bufferData = bufferObject->GetDataReadOnly().get();
-        MOBILEGL_ASSERT(bufferData != nullptr, "VkBufferManager::SyncResidentBuffer requires frontend buffer data");
-
-        const VkDeviceSize bufferSize = static_cast<VkDeviceSize>(bufferObject->GetSize());
-        if (bufferSize == 0) {
-            MGLOG_E("VkBufferManager::SyncResidentBuffer failed: buffer size is zero");
-            return false;
-        }
-
-        auto& entry = m_residentBuffers[bufferObject.get()];
-        entry.aliveRef = bufferObject;
-
-        const auto changeBits = bufferObject->GetChangeBits();
-        const Bool needsRecreate = !entry.buffer.IsValid() || entry.size != bufferSize ||
-                                   ((entry.usage & requiredUsage) != requiredUsage) ||
-                                   (changeBits & BufferChangeBits::PreferReallocationBit);
-        if (needsRecreate) {
-            const VkBufferUsageFlags recreatedUsage = entry.usage | requiredUsage;
-            DeferResidentRelease(std::move(entry.buffer));
-            const Bool created = entry.buffer.Create({
-                .allocator = m_initInfo.allocator,
-                .size = bufferSize,
-                .usage = recreatedUsage,
-                .memoryUsage = VMA_MEMORY_USAGE_AUTO,
-                .allocationFlags = kResidentBufferAllocationFlags,
-            });
-            if (!created || entry.buffer.Map() == nullptr) {
-                MGLOG_E("VkBufferManager::SyncResidentBuffer failed: unable to create resident buffer");
-                entry.buffer.Destroy();
-                entry.size = 0;
-                entry.usage = 0;
-                return false;
-            }
-            if (!entry.buffer.Upload(bufferData->data(), bufferSize, 0)) {
-                MGLOG_E("VkBufferManager::SyncResidentBuffer failed: initial upload failed");
-                entry.buffer.Destroy();
-                entry.size = 0;
-                entry.usage = 0;
-                return false;
-            }
-            entry.size = bufferSize;
-            entry.usage = recreatedUsage;
-            bufferObject->ClearDirty();
-            outSlice = entry.buffer.GetSlice(0, bufferSize);
-            return true;
-        }
-
-        if (changeBits & BufferChangeBits::DirtyBit) {
-            const auto& dirtyRanges = bufferObject->GetDirtyRanges();
-            for (const auto& range : dirtyRanges) {
-                const VkDeviceSize rangeOffset = static_cast<VkDeviceSize>(range.start);
-                const VkDeviceSize rangeSize = static_cast<VkDeviceSize>(range.end - range.start);
-                if (rangeSize == 0) {
-                    continue;
-                }
-                if (!entry.buffer.Upload(bufferData->data() + range.start, rangeSize, rangeOffset)) {
-                    MGLOG_E("VkBufferManager::SyncResidentBuffer failed: dirty range upload failed");
-                    return false;
-                }
-            }
-            bufferObject->ClearDirty();
-        }
-
-        outSlice = entry.buffer.GetSlice(0, bufferSize);
-        return true;
-    }
-
-    void VkBufferManager::DowngradeResidentBufferToTransient(const SharedPtr<MG_State::GLState::BufferObject>& bufferObject) {
-        if (bufferObject == nullptr) {
-            return;
-        }
-
-        auto it = m_residentBuffers.find(bufferObject.get());
-        if (it == m_residentBuffers.end()) {
-            return;
-        }
-
-        DeferResidentRelease(std::move(it->second.buffer));
-        m_residentBuffers.erase(it);
-    }
-
-    void VkBufferManager::DeferResidentRelease(VkBufferObject&& buffer) {
-        if (!buffer.IsValid()) {
-            return;
-        }
-
-        if (m_deferredResidentReleases.empty()) {
-            buffer.Destroy();
-            return;
-        }
-
-        MOBILEGL_ASSERT(m_currentFrameIndex < m_deferredResidentReleases.size(),
-                        "VkBufferManager::DeferResidentRelease current frame index out of range");
-        m_deferredResidentReleases[m_currentFrameIndex].push_back(std::move(buffer));
-    }
-
-    void VkBufferManager::CollectDeferredResidentReleases(Uint32 frameIndex) {
-        MOBILEGL_ASSERT(frameIndex < m_deferredResidentReleases.size(),
-                        "VkBufferManager::CollectDeferredResidentReleases frame index out of range");
-        m_deferredResidentReleases[frameIndex].clear();
-    }
-
-    VkBufferUsageFlags VkBufferManager::GetVkBufferUsage(BufferKind kind) {
-        switch (kind) {
-        case BufferKind::Vertex:
-        case BufferKind::Index:
-            // A GL buffer can be rebound between ARRAY_BUFFER and ELEMENT_ARRAY_BUFFER,
-            // and may even be used as both within the same draw setup. Keep resident
-            // vertex/index buffers compatible with both roles from the start so we
-            // never need to recreate a buffer after it has already been bound.
-            return VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT;
-        case BufferKind::Uniform:
-        default:
-            return 0;
-        }
-    }
-
-    void VkBufferManager::CollectResidentGarbageIfNeeded() {
-        ++m_residentGcTick;
-        if (m_residentGcTick < kResidentBufferGCInterval) {
-            return;
-        }
-        CollectResidentGarbageNow();
-        m_residentGcTick = 0;
-    }
-
-    void VkBufferManager::CollectResidentGarbageNow() {
-        Vector<MG_State::GLState::BufferObject*> staleBuffers;
-        staleBuffers.reserve(m_residentBuffers.size());
-
-        for (const auto& [rawBuffer, entry] : m_residentBuffers) {
-            if (entry.aliveRef.expired()) {
-                staleBuffers.push_back(rawBuffer);
-            }
-        }
-
-        for (const auto* rawBuffer : staleBuffers) {
-            auto it = m_residentBuffers.find(const_cast<MG_State::GLState::BufferObject*>(rawBuffer));
-            if (it == m_residentBuffers.end()) {
-                continue;
-            }
-            DeferResidentRelease(std::move(it->second.buffer));
-            m_residentBuffers.erase(it);
-        }
-    }
-
-    void VkBufferManager::DestroyDeferredResidentReleases() {
-        for (auto& deferredReleases : m_deferredResidentReleases) {
-            deferredReleases.clear();
-        }
-        m_deferredResidentReleases.clear();
-    }
-
-    void VkBufferManager::DestroyResidentBuffers() {
-        for (auto& [_, entry] : m_residentBuffers) {
-            entry.buffer.Destroy();
-        }
-        m_residentBuffers.clear();
-    }
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/VkBufferManager.h

@@ -1,72 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/VkBufferManager.h
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#pragma once
-
-#include "BufferArena.h"
-#include "MG_State/GLState/BufferState/BufferObject.h"
-#include "../VkIncludes.h"
-#include <Includes.h>
-#include <vk_mem_alloc.h>
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    enum class BufferKind : Uint8 {
-        Vertex,
-        Index,
-        Uniform,
-    };
-
-    struct VkBufferManagerInitInfo {
-        VmaAllocator allocator = nullptr;
-        Uint32 frameCount = 0;
-        VkDeviceSize minUploadBytes = 4 * 1024 * 1024;
-        VmaMemoryUsage transientMemoryUsage = VMA_MEMORY_USAGE_AUTO;
-        VmaAllocationCreateFlags transientAllocationFlags = VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT;
-        Bool transientPersistentMapping = false;
-    };
-
-    class VkBufferManager {
-    public:
-        Bool Initialize(const VkBufferManagerInitInfo& initInfo);
-        void Shutdown();
-
-        // Recreate all per-frame transient arenas
-        Bool RecreateTransientArenas(Uint32 frameCount);
-        void BeginFrame(Uint32 frameIndex);
-
-        Bool UploadTransient(BufferKind kind, Uint32 frameIndex, const void* data, VkDeviceSize size,
-                             VkDeviceSize alignment, BufferSlice& outSlice);
-        Bool SyncResidentBuffer(BufferKind kind, const SharedPtr<MG_State::GLState::BufferObject>& bufferObject,
-                                BufferSlice& outSlice);
-        void DowngradeResidentBufferToTransient(const SharedPtr<MG_State::GLState::BufferObject>& bufferObject);
-
-    private:
-        struct ResidentBufferEntry {
-            WeakPtr<MG_State::GLState::BufferObject> aliveRef;
-            VkBufferObject buffer;
-            VkDeviceSize size = 0;
-            VkBufferUsageFlags usage = 0;
-        };
-
-        Bool InitializeTransientArenas();
-        static VkBufferUsageFlags GetVkBufferUsage(BufferKind kind);
-        void DeferResidentRelease(VkBufferObject&& buffer);
-        void CollectDeferredResidentReleases(Uint32 frameIndex);
-        void CollectResidentGarbageIfNeeded();
-        void CollectResidentGarbageNow();
-        void DestroyDeferredResidentReleases();
-        void DestroyResidentBuffers();
-
-        VkBufferManagerInitInfo m_initInfo{};
-        BufferArena m_transientUploadArena;
-        UnorderedMap<MG_State::GLState::BufferObject*, ResidentBufferEntry> m_residentBuffers;
-        Vector<Vector<VkBufferObject>> m_deferredResidentReleases;
-        Uint32 m_currentFrameIndex = 0;
-        Uint32 m_residentGcTick = 0;
-    };
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/VkBufferObject.cpp

@@ -1,161 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/VkBufferObject.cpp
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#include "VkBufferObject.h"
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    VkBufferObject::VkBufferObject(VkBufferObject&& other) noexcept {
-        m_allocator = other.m_allocator;
-        m_buffer = other.m_buffer;
-        m_allocation = other.m_allocation;
-        m_mappedData = other.m_mappedData;
-        m_size = other.m_size;
-
-        other.m_allocator = nullptr;
-        other.m_buffer = VK_NULL_HANDLE;
-        other.m_allocation = nullptr;
-        other.m_mappedData = nullptr;
-        other.m_size = 0;
-    }
-
-    VkBufferObject& VkBufferObject::operator=(VkBufferObject&& other) noexcept {
-        if (this == &other) {
-            return *this;
-        }
-
-        Destroy();
-
-        m_allocator = other.m_allocator;
-        m_buffer = other.m_buffer;
-        m_allocation = other.m_allocation;
-        m_mappedData = other.m_mappedData;
-        m_size = other.m_size;
-
-        other.m_allocator = nullptr;
-        other.m_buffer = VK_NULL_HANDLE;
-        other.m_allocation = nullptr;
-        other.m_mappedData = nullptr;
-        other.m_size = 0;
-        return *this;
-    }
-
-    VkBufferObject::~VkBufferObject() {
-        Destroy();
-    }
-
-    Bool VkBufferObject::Create(const VkBufferObjectDesc& desc) {
-        return Create(desc.allocator, desc.size, desc.usage, desc.memoryUsage, desc.allocationFlags);
-    }
-
-    Bool VkBufferObject::Create(VmaAllocator allocator, VkDeviceSize size, VkBufferUsageFlags usage,
-                                VmaMemoryUsage memoryUsage, VmaAllocationCreateFlags allocationFlags) {
-        MOBILEGL_ASSERT(allocator != nullptr, "VkBufferObject::Create requires valid VMA allocator");
-        MOBILEGL_ASSERT(size > 0, "VkBufferObject::Create requires non-zero size");
-
-        Destroy();
-        m_allocator = allocator;
-
-        VkBufferCreateInfo bufferInfo{};
-        bufferInfo.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
-        bufferInfo.size = size;
-        bufferInfo.usage = usage;
-        bufferInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
-
-        VmaAllocationCreateInfo allocationInfo{};
-        allocationInfo.usage = memoryUsage;
-        allocationInfo.flags = allocationFlags;
-
-        const VkResult result =
-            vmaCreateBuffer(m_allocator, &bufferInfo, &allocationInfo, &m_buffer, &m_allocation, nullptr);
-        if (result != VK_SUCCESS) {
-            MGLOG_E("VkBufferObject::Create failed: vmaCreateBuffer returned %d", result);
-            m_allocator = nullptr;
-            m_buffer = VK_NULL_HANDLE;
-            m_allocation = nullptr;
-            m_size = 0;
-            return false;
-        }
-
-        m_size = size;
-        return true;
-    }
-
-    void VkBufferObject::Destroy() {
-        Unmap();
-        if (m_allocator != nullptr && m_buffer != VK_NULL_HANDLE && m_allocation != nullptr) {
-            vmaDestroyBuffer(m_allocator, m_buffer, m_allocation);
-        }
-        m_buffer = VK_NULL_HANDLE;
-        m_allocation = nullptr;
-        m_allocator = nullptr;
-        m_size = 0;
-    }
-
-    void* VkBufferObject::Map() {
-        MOBILEGL_ASSERT(IsValid(), "VkBufferObject::Map called on invalid buffer");
-
-        if (m_mappedData != nullptr) {
-            return m_mappedData;
-        }
-
-        const VkResult mapResult = vmaMapMemory(m_allocator, m_allocation, &m_mappedData);
-        if (mapResult != VK_SUCCESS || m_mappedData == nullptr) {
-            MGLOG_E("VkBufferObject::Map failed: vmaMapMemory returned %d", mapResult);
-            m_mappedData = nullptr;
-            return nullptr;
-        }
-
-        return m_mappedData;
-    }
-
-    void VkBufferObject::Unmap() {
-        if (!IsValid() || m_mappedData == nullptr) {
-            m_mappedData = nullptr;
-            return;
-        }
-
-        vmaUnmapMemory(m_allocator, m_allocation);
-        m_mappedData = nullptr;
-    }
-
-    Bool VkBufferObject::Upload(const void* data, VkDeviceSize size, VkDeviceSize offset) {
-        MOBILEGL_ASSERT(IsValid(), "VkBufferObject::Upload called on invalid buffer");
-        MOBILEGL_ASSERT(data != nullptr || size == 0, "VkBufferObject::Upload data pointer is null");
-        MOBILEGL_ASSERT(offset + size <= m_size, "VkBufferObject::Upload out of range");
-
-        if (size == 0) {
-            return true;
-        }
-
-        const Bool wasMapped = IsMapped();
-        void* mapped = wasMapped ? m_mappedData : Map();
-        if (mapped == nullptr) {
-            MGLOG_E("VkBufferObject::Upload failed: unable to map buffer");
-            return false;
-        }
-
-        Memcpy(static_cast<Uint8*>(mapped) + offset, data, static_cast<SizeT>(size));
-        if (!wasMapped) {
-            Unmap();
-        }
-        return true;
-    }
-
-    BufferSlice VkBufferObject::GetSlice(VkDeviceSize offset, VkDeviceSize size) const {
-        MOBILEGL_ASSERT(offset <= m_size, "VkBufferObject::GetSlice offset out of range");
-        const VkDeviceSize resolvedSize = (size == VK_WHOLE_SIZE) ? (m_size - offset) : size;
-        MOBILEGL_ASSERT(offset + resolvedSize <= m_size, "VkBufferObject::GetSlice range out of bounds");
-
-        BufferSlice slice{};
-        slice.buffer = m_buffer;
-        slice.offset = offset;
-        slice.size = resolvedSize;
-        slice.mapped = (m_mappedData != nullptr) ? static_cast<Uint8*>(m_mappedData) + offset : nullptr;
-        return slice;
-    }
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/VkBufferObject.h

@@ -1,58 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/VkBufferObject.h
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#pragma once
-
-#include "BufferSlice.h"
-#include "../VkIncludes.h"
-#include <Includes.h>
-#include <vk_mem_alloc.h>
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    struct VkBufferObjectDesc {
-        VmaAllocator allocator = nullptr;
-        VkDeviceSize size = 0;
-        VkBufferUsageFlags usage = 0;
-        VmaMemoryUsage memoryUsage = VMA_MEMORY_USAGE_AUTO;
-        VmaAllocationCreateFlags allocationFlags = 0;
-    };
-
-    class VkBufferObject {
-    public:
-        VkBufferObject() = default;
-        ~VkBufferObject();
-
-        VkBufferObject(const VkBufferObject&) = delete;
-        VkBufferObject& operator=(const VkBufferObject&) = delete;
-        VkBufferObject(VkBufferObject&& other) noexcept;
-        VkBufferObject& operator=(VkBufferObject&& other) noexcept;
-
-        Bool Create(const VkBufferObjectDesc& desc);
-        Bool Create(VmaAllocator allocator, VkDeviceSize size, VkBufferUsageFlags usage,
-                    VmaMemoryUsage memoryUsage, VmaAllocationCreateFlags allocationFlags = 0);
-        void Destroy();
-
-        void* Map();
-        void Unmap();
-        Bool Upload(const void* data, VkDeviceSize size, VkDeviceSize offset = 0);
-
-        VkBuffer GetHandle() const { return m_buffer; }
-        VkDeviceSize GetSize() const { return m_size; }
-        BufferSlice GetSlice(VkDeviceSize offset = 0, VkDeviceSize size = VK_WHOLE_SIZE) const;
-        void* GetMappedData() const { return m_mappedData; }
-        Bool IsMapped() const { return m_mappedData != nullptr; }
-        Bool IsValid() const { return m_allocator != nullptr && m_buffer != VK_NULL_HANDLE && m_allocation != nullptr; }
-
-    private:
-        VmaAllocator m_allocator = nullptr;
-        VkBuffer m_buffer = VK_NULL_HANDLE;
-        VmaAllocation m_allocation = nullptr;
-        void* m_mappedData = nullptr;
-        VkDeviceSize m_size = 0;
-    };
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/VkClearManager.cpp

@@ -1,118 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/VkClearManager.cpp
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#include "VkClearManager.h"
-
-#include "MG_Util/Converters/MGToStr/FramebufferEnumConverter.h"
-#include "MG_Util/Converters/MGToStr/TextureEnumConverter.h"
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    Bool VkClearManager::Initialize() {
-        return true;
-    }
-
-    void VkClearManager::Shutdown() {
-
-    }
-
-    void VkClearManager::QueueClear(GLbitfield mask, const ClearFramebufferPayload& clearPayload,
-                                    const MG_State::GLState::FramebufferObject& drawFbo) {
-        if (mask & GL_COLOR_BUFFER_BIT) {
-            auto& drawbufs = drawFbo.GetDrawBuffers();
-            // This should automatically work on default & offscreen FBO
-            for (auto drawbuf: drawbufs) {
-                if (drawbuf == FramebufferAttachmentType::None ||
-                    drawFbo.GetAttachment(drawbuf).IsRenderbuffer())
-                    continue;
-
-                QueueClear({
-                    .color = clearPayload.color,
-                    .attachmentType = drawbuf
-                }, drawFbo.GetAttachment(drawbuf).GetTexture());
-                MGLOG_D("%s: %s (texture %d) - color = (%.2f, %.2f, %.2f, %.2f)", __func__,
-                    MG_Util::ConvertFramebufferAttachmentTypeToString(drawbuf).c_str(),
-                    drawFbo.GetAttachment(drawbuf).GetTexture()->GetExternalIndex(),
-                    clearPayload.color[0], clearPayload.color[1], clearPayload.color[2], clearPayload.color[3]);
-            }
-        }
-
-        if (mask & GL_DEPTH_BUFFER_BIT &&
-            !drawFbo.GetAttachment(FramebufferAttachmentType::Depth).IsRenderbuffer()) {
-            QueueClear({
-                .depth = clearPayload.depth,
-                .attachmentType = FramebufferAttachmentType::Depth,
-            }, drawFbo.GetAttachment(FramebufferAttachmentType::Depth).GetTexture());
-            MGLOG_D("%s: Depth (texture %d) - depth = (%.2f)", __func__,
-                drawFbo.GetAttachment(FramebufferAttachmentType::Depth).GetTexture()->GetExternalIndex(), clearPayload.depth);
-        }
-
-        if (mask & GL_STENCIL_BUFFER_BIT &&
-            !drawFbo.GetAttachment(FramebufferAttachmentType::Stencil).IsRenderbuffer()) {
-            QueueClear({
-                .stencil = clearPayload.stencil,
-                .attachmentType = FramebufferAttachmentType::Stencil,
-            }, drawFbo.GetAttachment(FramebufferAttachmentType::Stencil).GetTexture());
-            MGLOG_D("%s: Stencil (texture %d) - stencil = (%u)", __func__,
-                drawFbo.GetAttachment(FramebufferAttachmentType::Stencil).GetTexture()->GetExternalIndex(), clearPayload.stencil);
-        }
-    }
-
-    void VkClearManager::QueueClear(const ClearAttachmentPayload& clearPayload,
-                                    const SharedPtr<MG_State::GLState::ITextureObject>& texture) {
-        WeakPtr<MG_State::GLState::ITextureObject> weakTexturePtr = texture;
-        if (weakTexturePtr.expired())
-            return;
-        auto* pTexture = weakTexturePtr.lock().get();
-        m_aliveObjects[pTexture] = weakTexturePtr;
-        m_pendingClears[pTexture] = clearPayload;
-    }
-
-    Bool VkClearManager::HasPendingClear(MG_State::GLState::ITextureObject* texture) {
-        return m_pendingClears.find(texture) != m_pendingClears.end();
-    }
-
-    Bool VkClearManager::GetPendingClear(MG_State::GLState::ITextureObject* texture, ClearAttachmentPayload& outPayload) {
-        if (m_aliveObjects.find(texture) == m_aliveObjects.end() ||
-            m_pendingClears.find(texture) == m_pendingClears.end()) {
-            MGLOG_D("%s: Failed getting pending clear for texture %d", __func__, texture->GetExternalIndex());
-            return false;
-        }
-
-        outPayload = m_pendingClears[texture];
-        MGLOG_D("%s: Got pending clear for texture %d (%s), clear value: color = (%.2f, %.2f, %.2f, %.2f), depth = (%.2f), stencil = (%u)", __func__,
-            texture->GetExternalIndex(),
-            MG_Util::ConvertTextureInternalFormatToString(texture->GetFormat()).c_str(),
-            outPayload.color[0], outPayload.color[1], outPayload.color[2], outPayload.color[3],
-            outPayload.depth,
-            outPayload.stencil);
-        return true;
-    }
-
-    void VkClearManager::PopPendingClear(MG_State::GLState::ITextureObject* texture) {
-        MGLOG_D("%s: Pop pending clear for texture %d", __func__, texture->GetExternalIndex());
-        m_aliveObjects.erase(texture);
-        m_pendingClears.erase(texture);
-    }
-
-    SizeT VkClearManager::CollectGarbage() {
-        m_gcCounter++;
-        if (m_gcCounter != 0) {
-            return 0;
-        }
-
-        SizeT count = 0;
-        for (const auto& [raw, weak]: m_aliveObjects) {
-            if (weak.expired()) {
-                count++;
-                m_pendingClears.erase(raw);
-                m_aliveObjects.erase(raw);
-            }
-        }
-        return count;
-    }
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/VkClearManager.h

@@ -1,52 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/VkClearManager.h
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#pragma once
-
-#include "../VkIncludes.h"
-#include "../VulkanRendererConfig.h"
-#include "MG_State/GLState/FramebufferState/FramebufferObject.h"
-#include "MG_Util/Math/VectorTypes.h"
-
-#include <Includes.h>
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    struct ClearFramebufferPayload {
-        FloatVec4 color;
-        Float depth{};
-        Uint32 stencil{};
-    };
-
-    struct ClearAttachmentPayload {
-        union {
-            FloatVec4 color;
-            Float depth{};
-            Uint32 stencil;
-        };
-        FramebufferAttachmentType attachmentType = FramebufferAttachmentType::Color0;
-    };
-
-    class VkClearManager {
-    public:
-        Bool Initialize();
-        void Shutdown();
-
-        void QueueClear(GLbitfield mask, const ClearFramebufferPayload& clearPayload, const MG_State::GLState::FramebufferObject& drawFbo);
-        void QueueClear(
-            const ClearAttachmentPayload& clearPayload,
-            const SharedPtr<MG_State::GLState::ITextureObject>& texture);
-        Bool HasPendingClear(MG_State::GLState::ITextureObject* texture);
-        Bool GetPendingClear(MG_State::GLState::ITextureObject* texture, ClearAttachmentPayload& outPayload);
-        void PopPendingClear(MG_State::GLState::ITextureObject* texture);
-        SizeT CollectGarbage();
-    private:
-        Uint8 m_gcCounter = 0;
-        UnorderedMap<MG_State::GLState::ITextureObject*, ClearAttachmentPayload> m_pendingClears;
-        UnorderedMap<MG_State::GLState::ITextureObject*, WeakPtr<MG_State::GLState::ITextureObject>> m_aliveObjects;
-    };
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/VkRenderPassManager.cpp

@@ -1,507 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/VkRenderPassManager.cpp
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#include "VkRenderPassManager.h"
-
-#include "MG_Impl/GLImpl/Framebuffer/GL_Framebuffer.h"
-#include "MG_State/GLState/TextureState/TextureObject2D.h"
-#include "MG_Util/Converters/MGToVk/TextureEnumConverter.h"
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    VkRenderPassManager::VkRenderPassManager(VkDevice device,
-        const VulkanRendererConfig& config, VkClearManager& clearManager, VkTextureManager& textureManager,
-        SwapchainObject& swapchainObject):
-        m_device(device), m_config(config), m_clearManager(clearManager), m_textureManager(textureManager),
-        m_swapchainObject(swapchainObject) {
-        RenderPassEntry::s_device = m_device;
-        s_clearManager = &m_clearManager;
-        s_textureManager = &m_textureManager;
-        s_swapchainObject = &m_swapchainObject;
-    }
-
-    VkRenderPassManager::~VkRenderPassManager() {}
-
-    Bool VkRenderPassManager::Initialize() {
-        return true;
-    }
-
-    void VkRenderPassManager::Shutdown() {
-    }
-
-    VkRenderPassManager::HashType VkRenderPassManager::ComputeHash(
-        const MG_State::GLState::FramebufferObject& fbo, Uint32 swapchainImageIndex, Bool includePendingClear) const {
-        XXHASH_VERIFY(XXH64_reset(m_hashState, m_config.CacheVersion));
-        const Bool isDefaultFbo = (&fbo == MG_Impl::GLImpl::FramebufferImpl::pDefaultFramebufferInfo->defaultFBO.get());
-        if (isDefaultFbo) {
-            XXHASH_VERIFY(XXH64_update(m_hashState, &swapchainImageIndex, sizeof(swapchainImageIndex)));
-        }
-        auto& drawBuffers = fbo.GetDrawBuffers();
-        XXHASH_VERIFY(XXH64_update(m_hashState, drawBuffers.data(), drawBuffers.size() * sizeof(drawBuffers[0])));
-        auto readBuffer = fbo.GetReadBuffer();
-        XXHASH_VERIFY(XXH64_update(m_hashState, &readBuffer, sizeof(FramebufferAttachmentType)));
-        Int validDrawBufCount = 0;
-        for (Int i = 0; i < drawBuffers.size(); ++i) {
-            auto drawbuf = drawBuffers[i];
-            if (drawbuf != FramebufferAttachmentType::None)
-                validDrawBufCount = std::max(validDrawBufCount, i + 1);
-        }
-        XXHASH_VERIFY(XXH64_update(m_hashState, &validDrawBufCount, sizeof(validDrawBufCount)));
-
-        auto combineFramebufferAttachmentObjHash = [&](FramebufferAttachmentType attachment) {
-            auto& att = fbo.GetAttachment(attachment);
-
-            Int type = 0;
-            if (att.IsEmpty()) type = 0;
-            else if (att.IsTexture()) type = 1;
-            else if (att.IsRenderbuffer()) type = 2;
-            XXHASH_VERIFY(XXH64_update(m_hashState, &type, sizeof(type)));
-            void* contentPtr = nullptr;
-            if (att.IsTexture())
-                contentPtr = att.GetTexture().get();
-            else if (att.IsRenderbuffer())
-                contentPtr = att.GetRenderbuffer().get();
-            XXHASH_VERIFY(XXH64_update(m_hashState, &contentPtr, sizeof(contentPtr)));
-            if (att.IsTexture()) {
-                const Int textureLevel = att.GetTextureLevel();
-                XXHASH_VERIFY(XXH64_update(m_hashState, &textureLevel, sizeof(textureLevel)));
-            }
-
-            if (includePendingClear && att.IsTexture()) {
-                auto* texture = att.GetTexture().get();
-                auto hasClear = m_clearManager.HasPendingClear(texture);
-                XXHASH_VERIFY(XXH64_update(m_hashState, &hasClear, sizeof(hasClear)));
-                if (hasClear) {
-                    ClearAttachmentPayload clearPayload{};
-                    Bool hasPayload = m_clearManager.GetPendingClear(texture, clearPayload);
-                    XXHASH_VERIFY(XXH64_update(m_hashState, &hasPayload, sizeof(hasPayload)));
-                    if (hasPayload) {
-                        XXHASH_VERIFY(XXH64_update(
-                            m_hashState, &clearPayload.attachmentType, sizeof(clearPayload.attachmentType)));
-                    }
-                }
-
-                VkImageLayout currentLayout = VK_IMAGE_LAYOUT_UNDEFINED;
-                if (isDefaultFbo) {
-                    if (attachment >= FramebufferAttachmentType::Color0 &&
-                        attachment <= FramebufferAttachmentType::Color31) {
-                        currentLayout = m_swapchainObject.GetImageLayout(swapchainImageIndex);
-                    } else if (attachment == FramebufferAttachmentType::Depth ||
-                               attachment == FramebufferAttachmentType::Stencil) {
-                        currentLayout = m_swapchainObject.GetDepthStencilImageLayout(swapchainImageIndex);
-                    }
-                } else {
-                    auto* resource = m_textureManager.SyncTextureAndGetDescriptor(*texture);
-                    if (resource != nullptr) {
-                        currentLayout = resource->layout;
-                    }
-                }
-                XXHASH_VERIFY(XXH64_update(m_hashState, &currentLayout, sizeof(currentLayout)));
-            }
-        };
-
-        for (Int i = 0; i < validDrawBufCount; ++i) {
-            auto drawbuf = drawBuffers[i];
-            combineFramebufferAttachmentObjHash(drawbuf);
-        }
-
-        combineFramebufferAttachmentObjHash(FramebufferAttachmentType::Depth);
-        combineFramebufferAttachmentObjHash(FramebufferAttachmentType::Stencil);
-
-        return XXH64_digest(m_hashState);
-    }
-
-    RenderPassEntry& VkRenderPassManager::GetOrCreateRenderPass(const MG_State::GLState::FramebufferObject& fbo,
-                                                                Uint32 swapchainImageIndex) {
-        auto hasPendingClearOnFramebuffer = [&]() -> Bool {
-            const auto& drawBuffers = fbo.GetDrawBuffers();
-            for (auto attachment : drawBuffers) {
-                if (attachment == FramebufferAttachmentType::None) {
-                    continue;
-                }
-
-                const auto& att = fbo.GetAttachment(attachment);
-                if (att.IsTexture() && m_clearManager.HasPendingClear(att.GetTexture().get())) {
-                    return true;
-                }
-            }
-
-            const auto& depthAtt = fbo.GetAttachment(FramebufferAttachmentType::Depth);
-            if (depthAtt.IsTexture() && m_clearManager.HasPendingClear(depthAtt.GetTexture().get())) {
-                return true;
-            }
-
-            const auto& stencilAtt = fbo.GetAttachment(FramebufferAttachmentType::Stencil);
-            if (stencilAtt.IsTexture() && m_clearManager.HasPendingClear(stencilAtt.GetTexture().get())) {
-                return true;
-            }
-
-            return false;
-        };
-
-        // retrieve from cache first
-        auto* activeRenderPass = GetActiveRenderPass();
-        auto compatibilityHash = ComputeHash(fbo, swapchainImageIndex, false);
-        if (activeRenderPass != nullptr &&
-            activeRenderPass->CompatibleWith(compatibilityHash) &&
-            !hasPendingClearOnFramebuffer()) {
-            auto activeIt = m_renderPasses.find(activeRenderPass->hash);
-            MOBILEGL_ASSERT(activeIt != m_renderPasses.end(),
-                            "GetOrCreateRenderPass: active render pass hash=0x%llx is missing from cache",
-                            static_cast<unsigned long long>(activeRenderPass->hash));
-            return activeIt->second;
-        }
-        auto hash = ComputeHash(fbo, swapchainImageIndex, true);
-        auto it = m_renderPasses.find(hash);
-        if (it != m_renderPasses.end())
-            return it->second;
-
-        Bool isDefaultFbo = (&fbo == MG_Impl::GLImpl::FramebufferImpl::pDefaultFramebufferInfo->defaultFBO.get());
-        // Color attachment
-        auto& drawbufs = fbo.GetDrawBuffers();
-        Int validDrawBufCount = 0;
-        for (Int i = 0; i < drawbufs.size(); ++i) {
-            auto drawbuf = drawbufs[i];
-            if (drawbuf != FramebufferAttachmentType::None)
-                validDrawBufCount = std::max(validDrawBufCount, i + 1);
-        }
-
-        Int width = 0;
-        Int height = 0;
-        Vector<VkAttachmentDescription> attachmentDescriptions(validDrawBufCount);
-        Vector<VkAttachmentReference> colorAttachmentRefs(validDrawBufCount);
-        Vector<PendingClearAttachmentInfo> pendingClearAttachments;
-        Vector<TrackedAttachmentLayoutInfo> trackedAttachmentLayouts;
-        auto& textureResources = RenderPassEntry::s_textureResourcesScratch;
-        textureResources.clear();
-        textureResources.resize(validDrawBufCount, nullptr);
-        Vector<VkImageView> attachmentViews(validDrawBufCount, VK_NULL_HANDLE);
-        // This should automatically work on default & offscreen FBO
-        // assuming default FBO has the right param
-        for (Int i = 0; i < validDrawBufCount; ++i) {
-            auto drawbuf = drawbufs[i];
-            if (drawbuf == FramebufferAttachmentType::None ||
-                fbo.GetAttachment(drawbuf).IsRenderbuffer())
-                continue;
-
-            auto& att = fbo.GetAttachment(drawbuf);
-            auto* texture = att.GetTexture().get();
-            const Uint32 attachmentMipLevel = static_cast<Uint32>(std::max(att.GetTextureLevel(), 0));
-            const auto textureTarget = texture->GetTarget();
-
-            // Color attachment description
-            VkAttachmentDescription& desc = attachmentDescriptions[i];
-            switch (textureTarget) {
-                case TextureTarget::Texture2D: {
-                    auto* texture2d =
-                        static_cast<MG_State::GLState::TextureObject2D*>(texture);
-                    desc.flags = 0;
-                    desc.format =
-                        MG_Util::ConvertTextureInternalFormatToVkEnum(
-                            texture2d->GetFormat());
-                    desc.samples = VK_SAMPLE_COUNT_1_BIT;
-                    ClearAttachmentPayload clearPayload{};
-                    Bool hasClear = m_clearManager.GetPendingClear(texture, clearPayload);
-                    VkImageLayout trackedColorLayout = VK_IMAGE_LAYOUT_UNDEFINED;
-                    desc.loadOp = hasClear ?
-                        VK_ATTACHMENT_LOAD_OP_CLEAR :
-                        VK_ATTACHMENT_LOAD_OP_LOAD;
-                    desc.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
-                    desc.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
-                    desc.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
-                    desc.finalLayout = isDefaultFbo ?
-                        VK_IMAGE_LAYOUT_PRESENT_SRC_KHR :
-                        VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
-                    if (hasClear) {
-                        pendingClearAttachments.emplace_back(PendingClearAttachmentInfo {
-                            .attachmentIndex = static_cast<Uint32>(i),
-                            .texture = texture
-                        });
-                    }
-                    if (width == 0)
-                        width = att.GetSize().x();
-                    if (height == 0)
-                        height = att.GetSize().y();
-
-                    if (isDefaultFbo) {
-                        const auto& swapchainViews = m_swapchainObject.GetImageViews();
-                        MOBILEGL_ASSERT(swapchainImageIndex < swapchainViews.size(),
-                                        "GetOrCreateRenderPass: swapchain image index out of range");
-                        trackedColorLayout = m_swapchainObject.GetImageLayout(swapchainImageIndex);
-                        trackedAttachmentLayouts.emplace_back(TrackedAttachmentLayoutInfo {
-                            .target = TrackedAttachmentTarget::SwapchainColor,
-                            .swapchainImageIndex = swapchainImageIndex,
-                            .finalLayout = desc.finalLayout,
-                        });
-                        attachmentViews[i] = swapchainViews[swapchainImageIndex];
-                    } else {
-                        textureResources[i] = m_textureManager.SyncTextureAndGetDescriptor(*texture);
-                        MOBILEGL_ASSERT(textureResources[i],
-                                        "GetOrCreateRenderPass: SyncTextureAndGetDescriptor failed at color attachment %d", i);
-                        trackedColorLayout = textureResources[i]->layout;
-                        trackedAttachmentLayouts.emplace_back(TrackedAttachmentLayoutInfo {
-                            .target = TrackedAttachmentTarget::Texture,
-                            .texture = texture,
-                            .finalLayout = desc.finalLayout,
-                        });
-                        attachmentViews[i] = m_textureManager.GetOrCreateViewAtMipLevel(*texture, attachmentMipLevel);
-                        MOBILEGL_ASSERT(attachmentViews[i] != VK_NULL_HANDLE,
-                                        "GetOrCreateRenderPass: GetOrCreateAttachmentView failed at color attachment %d", i);
-                    }
-
-                    if (!hasClear && trackedColorLayout == VK_IMAGE_LAYOUT_UNDEFINED) {
-                        MGLOG_W("GetOrCreateRenderPass: color attachment textureId=%d starts with undefined layout and no clear; "
-                                "using LOAD_OP_DONT_CARE",
-                                texture->GetExternalIndex());
-                        desc.loadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
-                    }
-                    desc.initialLayout = (hasClear || trackedColorLayout == VK_IMAGE_LAYOUT_UNDEFINED) ?
-                        VK_IMAGE_LAYOUT_UNDEFINED :
-                        trackedColorLayout;
-
-                    break;
-                }
-                default:
-                    MOBILEGL_ASSERT(false, "Unsupported texture target");
-            }
-
-            // Attachment reference
-            VkAttachmentReference& attachmentRef = colorAttachmentRefs[i];
-            attachmentRef.attachment = i;
-            attachmentRef.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
-        }
-
-        // Depth attachment description
-        auto& depthAtt = fbo.GetAttachment(FramebufferAttachmentType::Depth);
-        VkAttachmentDescription depthAttachmentDescription;
-        VkAttachmentReference depthAttachmentRef;
-        depthAttachmentRef.attachment = VK_ATTACHMENT_UNUSED;
-        depthAttachmentRef.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
-        VkTextureManager::TextureResource* depthTextureResource = nullptr;
-        if (depthAtt.IsComplete() && depthAtt.IsTexture()) {
-            auto& texture = *depthAtt.GetTexture();
-            const Uint32 attachmentMipLevel = static_cast<Uint32>(std::max(depthAtt.GetTextureLevel(), 0));
-            const Uint32 depthAttachmentIndex = static_cast<Uint32>(attachmentDescriptions.size());
-            ClearAttachmentPayload clearPayload{};
-            Bool hasClear = m_clearManager.GetPendingClear(&texture, clearPayload);
-            Bool clearDepth = hasClear && clearPayload.attachmentType == FramebufferAttachmentType::Depth;
-            Bool clearStencil = hasClear && clearPayload.attachmentType == FramebufferAttachmentType::Stencil;
-            VkImageLayout trackedDepthLayout = isDefaultFbo ?
-                m_swapchainObject.GetDepthStencilImageLayout(swapchainImageIndex) :
-                VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
-            if (!isDefaultFbo) {
-                depthTextureResource = m_textureManager.SyncTextureAndGetDescriptor(texture);
-                MOBILEGL_ASSERT(depthTextureResource,
-                                "GetOrCreateRenderPass: SyncTextureAndGetDescriptor failed at depth attachment");
-                trackedDepthLayout = depthTextureResource->layout;
-            }
-            depthAttachmentDescription.flags = 0;
-            depthAttachmentDescription.format =
-                MG_Util::ConvertTextureInternalFormatToVkEnum(texture.GetFormat());
-            depthAttachmentDescription.samples = VK_SAMPLE_COUNT_1_BIT;
-            depthAttachmentDescription.loadOp = clearDepth ?
-                VK_ATTACHMENT_LOAD_OP_CLEAR :
-                VK_ATTACHMENT_LOAD_OP_LOAD;
-            depthAttachmentDescription.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
-            depthAttachmentDescription.stencilLoadOp = clearStencil ?
-                VK_ATTACHMENT_LOAD_OP_CLEAR :
-                VK_ATTACHMENT_LOAD_OP_LOAD;
-            depthAttachmentDescription.stencilStoreOp = VK_ATTACHMENT_STORE_OP_STORE;
-            depthAttachmentDescription.finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
-            if (trackedDepthLayout == VK_IMAGE_LAYOUT_UNDEFINED) {
-                if (!clearDepth) {
-                    depthAttachmentDescription.loadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
-                }
-                if (!clearStencil) {
-                    depthAttachmentDescription.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
-                }
-            }
-            depthAttachmentDescription.initialLayout =
-                (clearDepth && clearStencil) || trackedDepthLayout == VK_IMAGE_LAYOUT_UNDEFINED ?
-                    VK_IMAGE_LAYOUT_UNDEFINED :
-                    trackedDepthLayout;
-            if (hasClear) {
-                pendingClearAttachments.emplace_back(PendingClearAttachmentInfo {
-                    .attachmentIndex = depthAttachmentIndex,
-                    .texture = &texture
-                });
-            }
-            if (isDefaultFbo) {
-                trackedAttachmentLayouts.emplace_back(TrackedAttachmentLayoutInfo {
-                    .target = TrackedAttachmentTarget::SwapchainDepthStencil,
-                    .swapchainImageIndex = swapchainImageIndex,
-                    .finalLayout = depthAttachmentDescription.finalLayout,
-                });
-                attachmentViews.emplace_back(m_swapchainObject.GetDepthStencilImageView(swapchainImageIndex));
-            } else {
-                MOBILEGL_ASSERT(clearDepth || clearStencil || depthTextureResource->layout != VK_IMAGE_LAYOUT_UNDEFINED,
-                                "GetOrCreateRenderPass: depth attachment textureId=%d has undefined tracked layout with LOAD_OP_LOAD",
-                                texture.GetExternalIndex());
-                trackedAttachmentLayouts.emplace_back(TrackedAttachmentLayoutInfo {
-                    .target = TrackedAttachmentTarget::Texture,
-                    .texture = &texture,
-                    .finalLayout = depthAttachmentDescription.finalLayout,
-                });
-                textureResources.emplace_back(depthTextureResource);
-                attachmentViews.emplace_back(m_textureManager.GetOrCreateViewAtMipLevel(texture, attachmentMipLevel));
-                MOBILEGL_ASSERT(attachmentViews.back() != VK_NULL_HANDLE,
-                                "GetOrCreateRenderPass: GetOrCreateAttachmentView failed at depth attachment");
-                if (width == 0 || height == 0) {
-                    width = depthAtt.GetSize().x();
-                    height = depthAtt.GetSize().y();
-                }
-            }
-            attachmentDescriptions.emplace_back(depthAttachmentDescription);
-            depthAttachmentRef.attachment = depthAttachmentIndex;
-        }
-
-        // Subpass
-        VkSubpassDescription subpassDesc;
-        subpassDesc.flags = 0;
-        subpassDesc.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
-        subpassDesc.inputAttachmentCount = 0;
-        subpassDesc.pInputAttachments = nullptr;
-        subpassDesc.colorAttachmentCount = colorAttachmentRefs.size();
-        subpassDesc.pColorAttachments = colorAttachmentRefs.data();
-        subpassDesc.pResolveAttachments = nullptr;
-        subpassDesc.pDepthStencilAttachment = depthAtt.IsComplete() ? &depthAttachmentRef : VK_NULL_HANDLE;
-        subpassDesc.preserveAttachmentCount = 0;
-        subpassDesc.pPreserveAttachments = nullptr;
-
-        // Render Pass
-        VkRenderPassCreateInfo renderPassCreateInfo;
-        renderPassCreateInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
-        renderPassCreateInfo.pNext = VK_NULL_HANDLE;
-        renderPassCreateInfo.flags = 0;
-        renderPassCreateInfo.attachmentCount = attachmentDescriptions.size();
-        renderPassCreateInfo.pAttachments = attachmentDescriptions.data();
-        renderPassCreateInfo.subpassCount = 1;
-        renderPassCreateInfo.pSubpasses = &subpassDesc;
-        renderPassCreateInfo.dependencyCount = 0;
-        renderPassCreateInfo.pDependencies = nullptr;
-
-        VkRenderPass renderPass = VK_NULL_HANDLE;
-        VK_VERIFY(vkCreateRenderPass(m_device, &renderPassCreateInfo, nullptr, &renderPass));
-
-        // Framebuffer
-        VkFramebufferCreateInfo framebufferCreateInfo;
-        framebufferCreateInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
-        framebufferCreateInfo.pNext = nullptr;
-        framebufferCreateInfo.flags = 0;
-        framebufferCreateInfo.renderPass = renderPass;
-        framebufferCreateInfo.attachmentCount = attachmentViews.size();
-        framebufferCreateInfo.pAttachments = attachmentViews.data();
-        framebufferCreateInfo.width = width;
-        framebufferCreateInfo.height = height;
-        framebufferCreateInfo.layers = 1;
-        VkFramebuffer framebuffer = VK_NULL_HANDLE;
-        VK_VERIFY(vkCreateFramebuffer(m_device, &framebufferCreateInfo, nullptr, &framebuffer));
-        IntVec2 extent = {width, height};
-        RenderPassEntry renderPassEntry {
-            hash,
-            renderPass,
-            framebuffer,
-            compatibilityHash,
-            Move(pendingClearAttachments),
-            Move(trackedAttachmentLayouts),
-            static_cast<Uint32>(attachmentViews.size()),
-            extent,
-            1 };
-        auto [insertedIt, _] = m_renderPasses.emplace(hash, Move(renderPassEntry));
-        return insertedIt->second;
-    }
-
-    Bool VkRenderPassManager::BeginRenderPass(VkCommandBuffer commandBuffer, RenderPassEntry& renderPassEntry) {
-        // TODO: Transition all the attachments into proper layout before starting the render pass
-        VkRenderPassBeginInfo renderPassBeginInfo;
-        renderPassBeginInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
-        renderPassBeginInfo.pNext = nullptr;
-        renderPassBeginInfo.renderPass = renderPassEntry.renderPass;
-        renderPassBeginInfo.framebuffer = renderPassEntry.framebuffer;
-        renderPassBeginInfo.renderArea.offset = { 0, 0 };
-        renderPassBeginInfo.renderArea.extent = {
-            (Uint32)renderPassEntry.extent.x(), (Uint32)renderPassEntry.extent.y() };
-
-        Vector<VkClearValue> clearValues(renderPassEntry.attachmentCount);
-        for (auto& clearValue: clearValues) {
-            clearValue.color = {0.0f, 0.0f, 0.0f, 1.0f};
-            clearValue.depthStencil = {1.0f, 0};
-        }
-        for (const auto& pending: renderPassEntry.pendingClearAttachments) {
-            if (!pending.texture || pending.attachmentIndex >= clearValues.size()) {
-                continue;
-            }
-            ClearAttachmentPayload clearPayload{};
-            if (!s_clearManager->GetPendingClear(pending.texture, clearPayload)) {
-                continue;
-            }
-            if (clearPayload.attachmentType >= FramebufferAttachmentType::Color0 &&
-                clearPayload.attachmentType <= FramebufferAttachmentType::Color31) {
-                clearValues[pending.attachmentIndex].color = {
-                    clearPayload.color.x(),
-                    clearPayload.color.y(),
-                    clearPayload.color.z(),
-                    clearPayload.color.w()
-                };
-            } else if (clearPayload.attachmentType == FramebufferAttachmentType::Depth) {
-                clearValues[pending.attachmentIndex].depthStencil.depth = clearPayload.depth;
-            } else if (clearPayload.attachmentType == FramebufferAttachmentType::Stencil) {
-                clearValues[pending.attachmentIndex].depthStencil.stencil = clearPayload.stencil;
-            }
-        }
-
-        renderPassBeginInfo.clearValueCount = static_cast<Uint32>(clearValues.size());
-        renderPassBeginInfo.pClearValues = clearValues.data();
-
-        vkCmdBeginRenderPass(commandBuffer, &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
-        for (const auto& pending: renderPassEntry.pendingClearAttachments) {
-            s_clearManager->PopPendingClear(pending.texture);
-        }
-        s_activeRenderPass.hash = renderPassEntry.hash;
-        s_activeRenderPass.compatibilityHash = renderPassEntry.compatibilityHash;
-        s_activeRenderPass.trackedAttachmentLayouts = renderPassEntry.trackedAttachmentLayouts;
-        s_activeRenderPass.extent = renderPassEntry.extent;
-        s_hasActiveRenderPass = true;
-
-        return true;
-    }
-
-    Bool VkRenderPassManager::EndRenderPass(VkCommandBuffer commandBuffer) {
-        auto* activeRenderPass = GetActiveRenderPass();
-        vkCmdEndRenderPass(commandBuffer);
-        if (activeRenderPass != nullptr && !activeRenderPass->trackedAttachmentLayouts.empty()) {
-            for (const auto& trackedAttachment : activeRenderPass->trackedAttachmentLayouts) {
-                switch (trackedAttachment.target) {
-                    case TrackedAttachmentTarget::Texture:
-                        MOBILEGL_ASSERT(s_textureManager != nullptr, "EndRenderPass: texture manager is null");
-                        s_textureManager->UpdateTrackedImageLayout(trackedAttachment.texture, trackedAttachment.finalLayout);
-                        break;
-                    case TrackedAttachmentTarget::SwapchainColor:
-                        MOBILEGL_ASSERT(s_swapchainObject != nullptr, "EndRenderPass: swapchain object is null");
-                        s_swapchainObject->SetImageLayout(trackedAttachment.swapchainImageIndex, trackedAttachment.finalLayout);
-                        break;
-                    case TrackedAttachmentTarget::SwapchainDepthStencil:
-                        MOBILEGL_ASSERT(s_swapchainObject != nullptr, "EndRenderPass: swapchain object is null");
-                        s_swapchainObject->SetDepthStencilImageLayout(trackedAttachment.swapchainImageIndex,
-                                                                      trackedAttachment.finalLayout);
-                        break;
-                    default:
-                        MOBILEGL_ASSERT(false, "EndRenderPass: unsupported tracked attachment target=%d",
-                                        static_cast<Int>(trackedAttachment.target));
-                        break;
-                }
-            }
-        }
-        s_activeRenderPass = {};
-        s_hasActiveRenderPass = false;
-        return true;
-    }
-
-    ActiveRenderPassInfo* VkRenderPassManager::GetActiveRenderPass() {
-        return s_hasActiveRenderPass ? &s_activeRenderPass : nullptr;
-    }
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/VkRenderPassManager.h

@@ -1,151 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/VkRenderPassManager.h
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#pragma once
-
-#include "SwapchainObject.h"
-#include "VkClearManager.h"
-#include "VkTextureManager.h"
-#include "../VkIncludes.h"
-#include "../VulkanRendererConfig.h"
-#include "MG_State/GLState/FramebufferState/FramebufferObject.h"
-
-#include <Includes.h>
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    enum class TrackedAttachmentTarget : Uint8 {
-        Texture,
-        SwapchainColor,
-        SwapchainDepthStencil
-    };
-
-    struct PendingClearAttachmentInfo {
-        Uint32 attachmentIndex = 0;
-        MG_State::GLState::ITextureObject* texture = nullptr;
-    };
-
-    struct TrackedAttachmentLayoutInfo {
-        TrackedAttachmentTarget target = TrackedAttachmentTarget::Texture;
-        MG_State::GLState::ITextureObject* texture = nullptr;
-        Uint32 swapchainImageIndex = 0;
-        VkImageLayout finalLayout = VK_IMAGE_LAYOUT_UNDEFINED;
-    };
-
-    struct RenderPassEntry {
-        static inline VkDevice s_device;
-        static inline Vector<VkTextureManager::TextureResource*> s_textureResourcesScratch;
-        Uint64 hash = 0;
-        VkRenderPass renderPass = VK_NULL_HANDLE;
-        VkFramebuffer framebuffer = VK_NULL_HANDLE;
-        Uint64 compatibilityHash = 0;
-        Vector<PendingClearAttachmentInfo> pendingClearAttachments;
-        Vector<TrackedAttachmentLayoutInfo> trackedAttachmentLayouts;
-        Uint32 attachmentCount = 0;
-        IntVec2 extent = {0, 0};
-        Uint32 subpass = 0;
-
-        RenderPassEntry() = default;
-        RenderPassEntry(const RenderPassEntry&) = delete;
-        RenderPassEntry(RenderPassEntry&& that) noexcept {
-            std::swap(hash, that.hash);
-            std::swap(renderPass, that.renderPass);
-            std::swap(framebuffer, that.framebuffer);
-            std::swap(compatibilityHash, that.compatibilityHash);
-            std::swap(pendingClearAttachments, that.pendingClearAttachments);
-            std::swap(trackedAttachmentLayouts, that.trackedAttachmentLayouts);
-            std::swap(attachmentCount, that.attachmentCount);
-            std::swap(extent, that.extent);
-            std::swap(subpass, that.subpass);
-        }
-        RenderPassEntry(
-            Uint64 hash,
-            VkRenderPass renderpass,
-            VkFramebuffer framebuffer,
-            Uint64 compatibilityHash,
-            const Vector<PendingClearAttachmentInfo>& pendingClearAttachments,
-            const Vector<TrackedAttachmentLayoutInfo>& trackedAttachmentLayouts,
-            Uint32 attachmentCount,
-            IntVec2 extent, int subpass):
-            hash(hash),
-            renderPass(renderpass),
-            framebuffer(framebuffer),
-            compatibilityHash(compatibilityHash),
-            pendingClearAttachments(Move(pendingClearAttachments)),
-            trackedAttachmentLayouts(Move(trackedAttachmentLayouts)),
-            attachmentCount(attachmentCount),
-            extent(extent),
-            subpass(subpass)
-        {}
-
-        ~RenderPassEntry() {
-            if (renderPass != VK_NULL_HANDLE) {
-                vkDestroyRenderPass(s_device, renderPass, nullptr);
-            }
-            if (framebuffer != VK_NULL_HANDLE) {
-                vkDestroyFramebuffer(s_device, framebuffer, nullptr);
-            }
-        }
-
-        Bool CompatibleWith(const RenderPassEntry& that) const {
-            return this->compatibilityHash == that.compatibilityHash;
-        }
-
-        Bool CompatibleWith(Uint64 compatibilityHash) const {
-            return this->compatibilityHash == compatibilityHash;
-        }
-    };
-
-    struct ActiveRenderPassInfo {
-        Uint64 hash = 0;
-        Uint64 compatibilityHash = 0;
-        Vector<TrackedAttachmentLayoutInfo> trackedAttachmentLayouts;
-        IntVec2 extent = {0, 0};
-
-        Bool CompatibleWith(const RenderPassEntry& that) const {
-            return compatibilityHash == that.compatibilityHash;
-        }
-
-        Bool CompatibleWith(Uint64 thatCompatibilityHash) const {
-            return compatibilityHash == thatCompatibilityHash;
-        }
-    };
-
-    class VkRenderPassManager {
-    public:
-        using HashType = Uint64;
-        VkRenderPassManager(VkDevice device,
-            const VulkanRendererConfig& config, VkClearManager& clearManager, VkTextureManager& textureManager,
-            SwapchainObject& swapchainObject);
-        ~VkRenderPassManager();
-
-        Bool Initialize();
-        void Shutdown();
-
-        HashType ComputeHash(
-            const MG_State::GLState::FramebufferObject& fbo,
-            Uint32 swapchainImageIndex,
-            Bool includePendingClear = true) const;
-        RenderPassEntry& GetOrCreateRenderPass(const MG_State::GLState::FramebufferObject& fbo, Uint32 swapchainImageIndex);
-        static Bool BeginRenderPass(VkCommandBuffer commandBuffer, RenderPassEntry& renderPassEntry);
-        static Bool EndRenderPass(VkCommandBuffer commandBuffer);
-        static ActiveRenderPassInfo* GetActiveRenderPass();
-    private:
-        VkDevice m_device = VK_NULL_HANDLE;
-        const VulkanRendererConfig& m_config;
-        VkClearManager& m_clearManager;
-        VkTextureManager& m_textureManager;
-        SwapchainObject& m_swapchainObject;
-        UnorderedMap<Uint64, RenderPassEntry> m_renderPasses;
-        static inline XXH64_state_t* m_hashState = XXH64_createState();
-        static inline ActiveRenderPassInfo s_activeRenderPass{};
-        static inline Bool s_hasActiveRenderPass = false;
-        static inline VkClearManager* s_clearManager = nullptr;
-        static inline VkTextureManager* s_textureManager = nullptr;
-        static inline SwapchainObject* s_swapchainObject = nullptr;
-    };
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/VkSamplerManager.cpp

@@ -1,156 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/VkSamplerManager.cpp
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#include "VkSamplerManager.h"
-
-#include "MG_State/GLState/Core.h"
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    Bool VkSamplerManager::Initialize(const InitInfo& initInfo) {
-        Shutdown();
-
-        m_device = initInfo.device;
-        m_config = initInfo.config;
-        MOBILEGL_ASSERT(m_device != VK_NULL_HANDLE && m_config != nullptr,
-                        "VkSamplerManager::Initialize failed: invalid initialization info");
-        return true;
-    }
-
-    void VkSamplerManager::Shutdown() {
-        for (auto& [_, sampler] : m_samplers) {
-            if (m_device != VK_NULL_HANDLE && sampler.handle != VK_NULL_HANDLE) {
-                vkDestroySampler(m_device, sampler.handle, nullptr);
-            }
-            sampler.handle = VK_NULL_HANDLE;
-        }
-        m_samplers.clear();
-
-        m_device = VK_NULL_HANDLE;
-        m_config = nullptr;
-    }
-
-    Uint64 VkSamplerManager::BuildSamplerKey(const MG_State::GLState::SamplerObject& sampler) const {
-        MOBILEGL_ASSERT(m_config != nullptr, "VkSamplerManager::BuildSamplerKey: m_config is null");
-        XXHASH_VERIFY(XXH64_reset(m_hashState, m_config->CacheVersion));
-
-        const auto minFilter = sampler.GetMinFilter();
-        XXHASH_VERIFY(XXH64_update(m_hashState, &minFilter, sizeof(minFilter)));
-        const auto magFilter = sampler.GetMagFilter();
-        XXHASH_VERIFY(XXH64_update(m_hashState, &magFilter, sizeof(magFilter)));
-        const auto mipmapMode = sampler.GetMipmapMode();
-        XXHASH_VERIFY(XXH64_update(m_hashState, &mipmapMode, sizeof(mipmapMode)));
-        const auto wrapS = sampler.GetWrapS();
-        XXHASH_VERIFY(XXH64_update(m_hashState, &wrapS, sizeof(wrapS)));
-        const auto wrapT = sampler.GetWrapT();
-        XXHASH_VERIFY(XXH64_update(m_hashState, &wrapT, sizeof(wrapT)));
-        const auto wrapR = sampler.GetWrapR();
-        XXHASH_VERIFY(XXH64_update(m_hashState, &wrapR, sizeof(wrapR)));
-        const auto minLod = sampler.GetMinLod();
-        XXHASH_VERIFY(XXH64_update(m_hashState, &minLod, sizeof(minLod)));
-        const auto maxLod = sampler.GetMaxLod();
-        XXHASH_VERIFY(XXH64_update(m_hashState, &maxLod, sizeof(maxLod)));
-        const auto lodBias = sampler.GetLodBias();
-        XXHASH_VERIFY(XXH64_update(m_hashState, &lodBias, sizeof(lodBias)));
-        const auto compareMode = sampler.GetCompareMode();
-        XXHASH_VERIFY(XXH64_update(m_hashState, &compareMode, sizeof(compareMode)));
-        const auto compareFunc = sampler.GetSamplerCompareFunc();
-        XXHASH_VERIFY(XXH64_update(m_hashState, &compareFunc, sizeof(compareFunc)));
-        return XXH64_digest(m_hashState);
-    }
-
-    VkSampler VkSamplerManager::GetOrCreateSampler(const MG_State::GLState::SamplerObject& sampler) {
-        const Uint64 key = BuildSamplerKey(sampler);
-        auto it = m_samplers.find(key);
-        if (it != m_samplers.end()) {
-            return it->second.handle;
-        }
-
-        VkSamplerCreateInfo samplerInfo{};
-        samplerInfo.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
-        samplerInfo.magFilter = ToVkFilter(sampler.GetMagFilter());
-        samplerInfo.minFilter = ToVkFilter(sampler.GetMinFilter());
-        samplerInfo.mipmapMode = ToVkMipmapMode(sampler.GetMipmapMode());
-        samplerInfo.addressModeU = ToVkAddressMode(sampler.GetWrapS());
-        samplerInfo.addressModeV = ToVkAddressMode(sampler.GetWrapT());
-        samplerInfo.addressModeW = ToVkAddressMode(sampler.GetWrapR());
-        samplerInfo.mipLodBias = sampler.GetLodBias();
-        samplerInfo.anisotropyEnable = VK_FALSE;
-        samplerInfo.maxAnisotropy = 1.0f;
-        samplerInfo.compareEnable = sampler.GetCompareMode() == SamplerCompareMode::CompareToTexture ? VK_TRUE : VK_FALSE;
-        samplerInfo.compareOp = ToVkCompareOp(sampler.GetSamplerCompareFunc());
-        samplerInfo.minLod = sampler.GetMinLod();
-        samplerInfo.maxLod = sampler.GetMaxLod();
-        samplerInfo.borderColor = VK_BORDER_COLOR_FLOAT_TRANSPARENT_BLACK;
-        samplerInfo.unnormalizedCoordinates = VK_FALSE;
-
-        VkSampler vkSampler = VK_NULL_HANDLE;
-        VK_VERIFY(vkCreateSampler(m_device, &samplerInfo, nullptr, &vkSampler), "vkCreateSampler(texture)");
-
-        SamplerCacheEntry entry{};
-        entry.handle = vkSampler;
-        entry.externalIndex = sampler.GetExternalIndex();
-        entry.version = sampler.GetVersion();
-        m_samplers[key] = entry;
-        return vkSampler;
-    }
-
-    VkFilter VkSamplerManager::ToVkFilter(SamplerFilterMode mode) {
-        return mode == SamplerFilterMode::Nearest ? VK_FILTER_NEAREST : VK_FILTER_LINEAR;
-    }
-
-    VkSamplerMipmapMode VkSamplerManager::ToVkMipmapMode(SamplerMipmapMode mode) {
-        switch (mode) {
-        case SamplerMipmapMode::Nearest:
-            return VK_SAMPLER_MIPMAP_MODE_NEAREST;
-        case SamplerMipmapMode::Linear:
-            return VK_SAMPLER_MIPMAP_MODE_LINEAR;
-        case SamplerMipmapMode::None:
-        default:
-            return VK_SAMPLER_MIPMAP_MODE_NEAREST;
-        }
-    }
-
-    VkSamplerAddressMode VkSamplerManager::ToVkAddressMode(SamplerWrapMode mode) {
-        switch (mode) {
-        case SamplerWrapMode::ClampToEdge:
-            return VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
-        case SamplerWrapMode::MirroredRepeat:
-            return VK_SAMPLER_ADDRESS_MODE_MIRRORED_REPEAT;
-        case SamplerWrapMode::Repeat:
-            return VK_SAMPLER_ADDRESS_MODE_REPEAT;
-        case SamplerWrapMode::ClampToBorder:
-            return VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_BORDER;
-        case SamplerWrapMode::MirrorClampToEdge:
-            return VK_SAMPLER_ADDRESS_MODE_MIRROR_CLAMP_TO_EDGE;
-        default:
-            return VK_SAMPLER_ADDRESS_MODE_REPEAT;
-        }
-    }
-
-    VkCompareOp VkSamplerManager::ToVkCompareOp(SamplerCompareFunc func) {
-        switch (func) {
-        case SamplerCompareFunc::Never:
-            return VK_COMPARE_OP_NEVER;
-        case SamplerCompareFunc::Less:
-            return VK_COMPARE_OP_LESS;
-        case SamplerCompareFunc::Equal:
-            return VK_COMPARE_OP_EQUAL;
-        case SamplerCompareFunc::LessEqual:
-            return VK_COMPARE_OP_LESS_OR_EQUAL;
-        case SamplerCompareFunc::Greater:
-            return VK_COMPARE_OP_GREATER;
-        case SamplerCompareFunc::NotEqual:
-            return VK_COMPARE_OP_NOT_EQUAL;
-        case SamplerCompareFunc::GreaterEqual:
-            return VK_COMPARE_OP_GREATER_OR_EQUAL;
-        case SamplerCompareFunc::Always:
-        default:
-            return VK_COMPARE_OP_ALWAYS;
-        }
-    }
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/VkSamplerManager.h

@@ -1,51 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/VkSamplerManager.h
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#pragma once
-
-#include "../VkIncludes.h"
-#include "../VulkanRendererConfig.h"
-#include <Includes.h>
-#include <MG_State/GLState/SamplerState/SamplerObject.h>
-
-namespace MobileGL::MG_State::GLState {
-class SamplerObject;
-}
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-class VkSamplerManager {
-public:
-    struct InitInfo {
-        VkDevice device = VK_NULL_HANDLE;
-        const VulkanRendererConfig* config = nullptr;
-    };
-
-    Bool Initialize(const InitInfo& initInfo);
-    void Shutdown();
-
-    VkSampler GetOrCreateSampler(const MG_State::GLState::SamplerObject& sampler);
-
-private:
-    struct SamplerCacheEntry {
-        VkSampler handle = VK_NULL_HANDLE;
-        Uint externalIndex = 0;
-        Uint16 version = 0;
-    };
-
-    Uint64 BuildSamplerKey(const MG_State::GLState::SamplerObject& sampler) const;
-    static VkFilter ToVkFilter(SamplerFilterMode mode);
-    static VkSamplerMipmapMode ToVkMipmapMode(SamplerMipmapMode mode);
-    static VkSamplerAddressMode ToVkAddressMode(SamplerWrapMode mode);
-    static VkCompareOp ToVkCompareOp(SamplerCompareFunc func);
-
-    VkDevice m_device = VK_NULL_HANDLE;
-    const VulkanRendererConfig* m_config = nullptr;
-    UnorderedMap<Uint64, SamplerCacheEntry> m_samplers;
-    static inline XXH64_state_t* m_hashState = XXH64_createState();
-};
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/VkTextureManager.cpp

@@ -1,617 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/VkTextureManager.cpp
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#include "VkTextureManager.h"
-
-#include "MG_State/GLState/Core.h"
-#include "MG_Util/Converters/MGToVk/TextureEnumConverter.h"
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    static constexpr VkPipelineStageFlags kGraphicsSampledReadStages = VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT;
-
-    static Bool IsValidSampledImageLayout(VkImageLayout layout) {
-        switch (layout) {
-        case VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL:
-        case VK_IMAGE_LAYOUT_GENERAL:
-        case VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL:
-        case VK_IMAGE_LAYOUT_DEPTH_READ_ONLY_STENCIL_ATTACHMENT_OPTIMAL:
-        case VK_IMAGE_LAYOUT_DEPTH_ATTACHMENT_STENCIL_READ_ONLY_OPTIMAL:
-            return true;
-        default:
-            return false;
-        }
-    }
-
-    Bool VkTextureManager::Initialize(const InitInfo& initInfo) {
-        Shutdown();
-
-        m_device = initInfo.device;
-        m_physicalDevice = initInfo.physicalDevice;
-        m_allocator = initInfo.allocator;
-        m_commandPool = initInfo.commandPool;
-        m_graphicsQueue = initInfo.graphicsQueue;
-
-        MOBILEGL_ASSERT(m_device != VK_NULL_HANDLE && m_physicalDevice != VK_NULL_HANDLE && m_allocator != nullptr &&
-                            m_commandPool != VK_NULL_HANDLE && m_graphicsQueue != VK_NULL_HANDLE,
-                        "VkTextureManager::Initialize failed: invalid initialization info");
-
-        TextureResource::s_device = m_device;
-        TextureResource::s_allocator = m_allocator;
-
-        return true;
-    }
-
-    void VkTextureManager::Shutdown() {
-        m_textureResources.clear();
-
-        m_device = VK_NULL_HANDLE;
-        m_physicalDevice = VK_NULL_HANDLE;
-        m_allocator = nullptr;
-        m_commandPool = VK_NULL_HANDLE;
-        m_graphicsQueue = VK_NULL_HANDLE;
-    }
-
-    VkTextureManager::TextureResource* VkTextureManager::SyncTextureAndGetDescriptor(MG_State::GLState::ITextureObject& texture) {
-        MOBILEGL_ASSERT(m_device != VK_NULL_HANDLE, "SyncTextureAndGetDescriptor: m_device == VK_NULL_HANDLE");
-
-        auto it = m_textureResources.find(&texture);
-        if (it == m_textureResources.end()) {
-            TextureResource initial{};
-            auto [insertIt, _] = m_textureResources.emplace(&texture, Move(initial));
-            it = insertIt;
-        }
-
-        if (!SyncTexture(texture, it->second)) {
-            MGLOG_D("%s: Syncing texture %d failed", __func__, texture.GetExternalIndex());
-            return nullptr;
-        }
-
-        return &(it->second);
-    }
-
-    VkImageView VkTextureManager::GetOrCreateViewAtMipLevel(MG_State::GLState::ITextureObject& texture, Uint32 mipLevel) {
-        TextureResource* resource = SyncTextureAndGetDescriptor(texture);
-        if (resource == nullptr || resource->image == VK_NULL_HANDLE || mipLevel >= resource->mipLevels) {
-            return VK_NULL_HANDLE;
-        }
-
-        if (resource->perMipViews.size() != resource->mipLevels) {
-            resource->perMipViews.resize(resource->mipLevels, VK_NULL_HANDLE);
-        }
-
-        VkImageView& perMipView = resource->perMipViews[mipLevel];
-        if (perMipView != VK_NULL_HANDLE) {
-            return perMipView;
-        }
-
-        perMipView = CreateImageView(resource->image, resource->format, resource->aspect, mipLevel, 1);
-        if (perMipView == VK_NULL_HANDLE) {
-            MGLOG_D("%s: CreateImageView failed for textureId=%d mipLevel=%u", __func__, texture.GetExternalIndex(), mipLevel);
-            return VK_NULL_HANDLE;
-        }
-
-        return perMipView;
-    }
-
-    void VkTextureManager::UpdateTrackedImageLayout(MG_State::GLState::ITextureObject* texture, VkImageLayout newLayout) {
-        MOBILEGL_ASSERT(texture != nullptr, "UpdateTrackedImageLayout: texture is null");
-        auto it = m_textureResources.find(texture);
-        MOBILEGL_ASSERT(it != m_textureResources.end(),
-                        "UpdateTrackedImageLayout: textureId=%d has no tracked resource", texture->GetExternalIndex());
-        MOBILEGL_ASSERT(it->second.image != VK_NULL_HANDLE,
-                        "UpdateTrackedImageLayout: textureId=%d has null image", texture->GetExternalIndex());
-        it->second.layout = newLayout;
-    }
-
-    Bool VkTextureManager::TransitionTextureForSampling(VkCommandBuffer commandBuffer, MG_State::GLState::ITextureObject& texture) {
-        TextureResource* resource = SyncTextureAndGetDescriptor(texture);
-        if (resource == nullptr) {
-            return false;
-        }
-        if (IsValidSampledImageLayout(resource->layout)) {
-            return true;
-        }
-        if (resource->layout == VK_IMAGE_LAYOUT_UNDEFINED) {
-            MGLOG_W("TransitionTextureForSampling: textureId=%d is still in VK_IMAGE_LAYOUT_UNDEFINED before sampling",
-                    texture.GetExternalIndex());
-        }
-
-        VkImageLayout targetLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
-        VkPipelineStageFlags srcStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
-        VkAccessFlags srcAccessMask = 0;
-        if ((resource->aspect & VK_IMAGE_ASPECT_COLOR_BIT) != 0) {
-            MOBILEGL_ASSERT(resource->layout == VK_IMAGE_LAYOUT_UNDEFINED ||
-                            resource->layout == VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
-                            "TransitionTextureForSampling: unsupported color layout=%d for textureId=%d",
-                            static_cast<Int>(resource->layout), texture.GetExternalIndex());
-            if (resource->layout == VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL) {
-                srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
-                srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
-            }
-            targetLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
-        } else if ((resource->aspect & (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT)) != 0) {
-            MOBILEGL_ASSERT(resource->layout == VK_IMAGE_LAYOUT_UNDEFINED ||
-                            resource->layout == VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
-                            "TransitionTextureForSampling: unsupported depth/stencil layout=%d for textureId=%d",
-                            static_cast<Int>(resource->layout), texture.GetExternalIndex());
-            if (resource->layout == VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL) {
-                srcStageMask = VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT | VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT;
-                srcAccessMask = VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
-            }
-            targetLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL;
-        } else {
-            MOBILEGL_ASSERT(false, "TransitionTextureForSampling: unsupported aspect mask=0x%x for textureId=%d",
-                            static_cast<Uint32>(resource->aspect), texture.GetExternalIndex());
-        }
-
-        const Bool ok = TransitionImageLayout(commandBuffer, resource->image, resource->layout, targetLayout, srcStageMask,
-                                              kGraphicsSampledReadStages, srcAccessMask,
-                                              VK_ACCESS_SHADER_READ_BIT, resource->aspect, 0, resource->mipLevels);
-        MOBILEGL_ASSERT(ok, "TransitionTextureForSampling: transition failed for textureId=%d", texture.GetExternalIndex());
-        return ok;
-    }
-
-    Bool VkTextureManager::TransitionImageLayout(VkCommandBuffer commandBuffer, VkImage image,
-                                                 VkImageLayout& trackedLayout, VkImageLayout newLayout,
-                                                 VkPipelineStageFlags srcStageMask, VkPipelineStageFlags dstStageMask,
-                                                 VkAccessFlags srcAccessMask, VkAccessFlags dstAccessMask,
-                                                 VkImageAspectFlags aspectMask, Uint32 baseMipLevel, Uint32 levelCount) {
-        MOBILEGL_ASSERT(image != VK_NULL_HANDLE, "TransitionImageLayout: m_image == VK_NULL_HANDLE");
-        MOBILEGL_ASSERT(!((dstAccessMask & VK_ACCESS_TRANSFER_READ_BIT) != 0 &&
-                          (dstStageMask & VK_PIPELINE_STAGE_TRANSFER_BIT) == 0),
-                        "TransitionImageLayout: invalid dstAccess/dstStage pair (dstAccess=0x%x, dstStage=0x%x, oldLayout=%d, newLayout=%d)",
-                        static_cast<Uint32>(dstAccessMask), static_cast<Uint32>(dstStageMask), static_cast<Int>(trackedLayout),
-                        static_cast<Int>(newLayout));
-
-        if (trackedLayout == newLayout) {
-            return true;
-        }
-
-        VkImageMemoryBarrier barrier{};
-        barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
-        barrier.srcAccessMask = srcAccessMask;
-        barrier.dstAccessMask = dstAccessMask;
-        barrier.oldLayout = trackedLayout;
-        barrier.newLayout = newLayout;
-        barrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
-        barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
-        barrier.image = image;
-        barrier.subresourceRange.aspectMask = aspectMask;
-        barrier.subresourceRange.baseMipLevel = baseMipLevel;
-        barrier.subresourceRange.levelCount = levelCount;
-        barrier.subresourceRange.baseArrayLayer = 0;
-        barrier.subresourceRange.layerCount = 1;
-        vkCmdPipelineBarrier(commandBuffer, srcStageMask, dstStageMask, 0, 0, nullptr, 0, nullptr, 1, &barrier);
-
-        trackedLayout = newLayout;
-        return true;
-    }
-
-    SizeT VkTextureManager::CollectGarbage() {
-        m_gcCounter++;
-        if (m_gcCounter != 0) {
-            return 0;
-        }
-        SizeT count = 0;
-        for (const auto& [raw, weak]: m_aliveObjects) {
-            if (weak.expired()) {
-                count++;
-                m_textureResources.erase(raw);
-                m_aliveObjects.erase(raw);
-            }
-        }
-        return count;
-    }
-
-    Bool VkTextureManager::SyncTexture(MG_State::GLState::ITextureObject &texture,
-                                       TextureResource &outResource) {
-        TextureUploadTarget uploadTarget = TextureUploadTarget::Unknown;
-        IntVec3 texelSize{0, 0, 0};
-        SizeT byteSize = 0;
-        Uint32 mipLevelCount = 0;
-        if (!CheckMipmapCompleteness(texture, uploadTarget, texelSize, byteSize, mipLevelCount)) {
-            MGLOG_D("%s: mipmap not complete", __func__);
-            return false;
-        }
-
-        auto* mipTexture = dynamic_cast<MG_State::GLState::TextureObjectMipmap*>(&texture);
-        if (!mipTexture) {
-            MGLOG_D("%s: not TextureObjectMipmap", __func__);
-            return false;
-        }
-
-        if (!SyncTextureResource(texture, uploadTarget, texelSize, byteSize, mipLevelCount, outResource)) {
-            MGLOG_D("%s: SyncTextureResource failed", __func__);
-            return false;
-        }
-        if (!SyncTextureViews(texture, outResource)) {
-            MGLOG_D("%s: SyncTextureViews failed", __func__);
-            return false;
-        }
-
-        Bool hasDirtyMipLevel = false;
-        for (Uint32 level = 0; level < mipLevelCount; ++level) {
-            if (mipTexture->IsStorageDirty(uploadTarget, level)) {
-                hasDirtyMipLevel = true;
-                break;
-            }
-        }
-        if (!hasDirtyMipLevel) {
-            return true;
-        }
-
-        if (!UploadDirtyMipLevels(*mipTexture, uploadTarget, outResource)) {
-            MGLOG_D("%s: UploadDirtyMipLevels failed", __func__);
-            return false;
-        }
-        return true;
-    }
-
-    Bool VkTextureManager::SyncTextureResource(const MG_State::GLState::ITextureObject &texture,
-                                               TextureUploadTarget uploadTarget,
-                                               const IntVec3 &texelSize, SizeT byteSize, Uint32 mipLevels,
-                                               TextureResource &resource) {
-        const VkFormat format = MG_Util::ConvertTextureInternalFormatToVkEnum(texture.GetFormat());
-        if (format == VK_FORMAT_UNDEFINED) {
-            MGLOG_D("%s: format == VK_FORMAT_UNDEFINED", __func__);
-            return false;
-        }
-        if (texelSize.x() <= 0 || texelSize.y() <= 0 /*|| byteSize == 0*/) {
-            MGLOG_D("%s: texelSize or byteSize is zero", __func__);
-            return false;
-        }
-        if (mipLevels == 0) {
-            MGLOG_D("%s: no mip levels", __func__);
-            return false;
-        }
-        if (uploadTarget != TextureUploadTarget::Texture2D) {
-            MGLOG_D("%s: not Texture2D, unsupported", __func__);
-            return false;
-        }
-
-        const Bool compatible = resource.image != VK_NULL_HANDLE && resource.format == format &&
-                                resource.extent.width == static_cast<Uint32>(texelSize.x()) &&
-                                resource.extent.height == static_cast<Uint32>(texelSize.y()) &&
-                                resource.mipLevels == mipLevels;
-        if (compatible) {
-            if (resource.perMipViews.size() != mipLevels) {
-                resource.perMipViews.resize(mipLevels, VK_NULL_HANDLE);
-            }
-            return true;
-        }
-
-         resource.Reset();
-
-        auto aspect = GetAspectMaskForFormat(format);
-
-        VkImageCreateInfo imageInfo{};
-        imageInfo.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
-        imageInfo.imageType = VK_IMAGE_TYPE_2D;
-        imageInfo.extent.width = static_cast<Uint32>(texelSize.x());
-        imageInfo.extent.height = static_cast<Uint32>(texelSize.y());
-        imageInfo.extent.depth = 1;
-        imageInfo.mipLevels = mipLevels;
-        imageInfo.arrayLayers = 1;
-        imageInfo.format = format;
-        imageInfo.tiling = VK_IMAGE_TILING_OPTIMAL;
-        imageInfo.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
-        imageInfo.usage =
-            VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
-            ((aspect & VK_IMAGE_ASPECT_COLOR_BIT) ?
-                VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT : 0) |
-            ((aspect & VK_IMAGE_ASPECT_DEPTH_BIT || aspect & VK_IMAGE_ASPECT_STENCIL_BIT) ?
-                VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT : 0);
-        imageInfo.samples = VK_SAMPLE_COUNT_1_BIT;
-        imageInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
-        VmaAllocationCreateInfo allocationInfo{};
-        allocationInfo.usage = VMA_MEMORY_USAGE_AUTO_PREFER_DEVICE;
-        allocationInfo.requiredFlags = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT;
-        VK_VERIFY(vmaCreateImage(m_allocator, &imageInfo, &allocationInfo, &resource.image, &resource.allocation, nullptr),
-                  "vmaCreateImage(texture)");
-
-        resource.layout = VK_IMAGE_LAYOUT_UNDEFINED;
-        resource.extent = {static_cast<Uint32>(texelSize.x()), static_cast<Uint32>(texelSize.y())};
-        resource.mipLevels = mipLevels;
-        resource.perMipViews.assign(mipLevels, VK_NULL_HANDLE);
-        resource.sampledBaseMipLevel = 0;
-        resource.sampledLevelCount = mipLevels;
-        resource.format = format;
-        resource.aspect = aspect;
-        resource.syncedTextureParamsVersion = 0;
-        return true;
-    }
-
-    Bool VkTextureManager::SyncTextureViews(const MG_State::GLState::ITextureObject& texture, TextureResource& resource) {
-        MOBILEGL_ASSERT(resource.image != VK_NULL_HANDLE, "SyncTextureViews: image == VK_NULL_HANDLE");
-
-        Uint32 baseMipLevel = 0;
-        Uint32 levelCount = 1;
-        ResolveViewMipRange(texture, resource.mipLevels, baseMipLevel, levelCount);
-
-        const Bool needsRecreate =
-            resource.fullView == VK_NULL_HANDLE ||
-            resource.sampledBaseMipLevel != baseMipLevel ||
-            resource.sampledLevelCount != levelCount ||
-            resource.syncedTextureParamsVersion != texture.GetTextureParamsVersion();
-        if (!needsRecreate) {
-            return true;
-        }
-
-        if (resource.fullView != VK_NULL_HANDLE) {
-            vkDestroyImageView(m_device, resource.fullView, nullptr);
-            resource.fullView = VK_NULL_HANDLE;
-        }
-
-        resource.fullView = CreateImageView(resource.image, resource.format, resource.aspect, baseMipLevel, levelCount);
-        if (resource.fullView == VK_NULL_HANDLE) {
-            return false;
-        }
-
-        resource.sampledBaseMipLevel = baseMipLevel;
-        resource.sampledLevelCount = levelCount;
-        resource.syncedTextureParamsVersion = texture.GetTextureParamsVersion();
-        return true;
-    }
-
-    VkImageView VkTextureManager::CreateImageView(VkImage image, VkFormat format, VkImageAspectFlags aspect,
-                                                  Uint32 baseMipLevel, Uint32 levelCount) const {
-        VkImageViewCreateInfo viewInfo{};
-        viewInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
-        viewInfo.image = image;
-        viewInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
-        viewInfo.format = format;
-        viewInfo.subresourceRange.aspectMask = aspect;
-        viewInfo.subresourceRange.baseMipLevel = baseMipLevel;
-        viewInfo.subresourceRange.levelCount = levelCount;
-        viewInfo.subresourceRange.baseArrayLayer = 0;
-        viewInfo.subresourceRange.layerCount = 1;
-
-        VkImageView view = VK_NULL_HANDLE;
-        VK_VERIFY(vkCreateImageView(m_device, &viewInfo, nullptr, &view), "vkCreateImageView(texture)");
-        return view;
-    }
-
-    Bool VkTextureManager::UploadDirtyMipLevels(MG_State::GLState::TextureObjectMipmap &mipmapTexture,
-                                        TextureUploadTarget uploadTarget,
-                                        TextureResource &outResource) {
-        struct UploadItem {
-            Uint32 level = 0;
-            SizeT byteSize = 0;
-            IntVec3 texelSize = {0, 0, 0};
-            const void* source = nullptr;
-            VkDeviceSize offset = 0;
-        };
-
-        Vector<UploadItem> uploadItems;
-        uploadItems.reserve(outResource.mipLevels);
-
-        VkDeviceSize stagingSize = 0;
-        for (Uint32 level = 0; level < outResource.mipLevels; ++level) {
-            if (!mipmapTexture.IsStorageDirty(uploadTarget, level)) {
-                continue;
-            }
-
-            const auto texelSize = mipmapTexture.GetMipmapTexelSize(uploadTarget, level);
-            const auto byteSize = mipmapTexture.GetMipmapByteSize(uploadTarget, level);
-            if (texelSize.x() <= 0 || texelSize.y() <= 0 || byteSize == 0) {
-                mipmapTexture.MarkStorageDirty(uploadTarget, level, false);
-                continue;
-            }
-
-            const void* source = mipmapTexture.MapMipmapData(uploadTarget, level);
-            if (source == nullptr) {
-                MGLOG_D("%s: MapmipmapData failed at level %d", __func__, level);
-                return false;
-            }
-
-            uploadItems.push_back({level, byteSize, texelSize, source, stagingSize});
-            stagingSize += static_cast<VkDeviceSize>(byteSize);
-        }
-
-        if (uploadItems.empty()) {
-            return true;
-        }
-
-        VkBuffer stagingBuffer = VK_NULL_HANDLE;
-        VmaAllocation stagingAllocation = nullptr;
-
-        VkBufferCreateInfo bufferInfo{};
-        bufferInfo.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
-        bufferInfo.size = stagingSize;
-        bufferInfo.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT;
-        bufferInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
-        VmaAllocationCreateInfo stagingAllocationInfo{};
-        stagingAllocationInfo.usage = VMA_MEMORY_USAGE_AUTO_PREFER_HOST;
-        stagingAllocationInfo.flags = VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT;
-        stagingAllocationInfo.requiredFlags = VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT;
-        VK_VERIFY(vmaCreateBuffer(m_allocator, &bufferInfo, &stagingAllocationInfo, &stagingBuffer, &stagingAllocation, nullptr),
-                  "vmaCreateBuffer(staging texture)");
-
-        void* mapped = nullptr;
-        VK_VERIFY(vmaMapMemory(m_allocator, stagingAllocation, &mapped), "vmaMapMemory(staging texture)");
-        for (const auto& item : uploadItems) {
-            std::memcpy(static_cast<Uint8*>(mapped) + item.offset, item.source, item.byteSize);
-        }
-        vmaUnmapMemory(m_allocator, stagingAllocation);
-
-        VkCommandBufferAllocateInfo allocInfo{};
-        allocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
-        allocInfo.commandPool = m_commandPool;
-        allocInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
-        allocInfo.commandBufferCount = 1;
-
-        VkCommandBuffer commandBuffer = VK_NULL_HANDLE;
-        VK_VERIFY(vkAllocateCommandBuffers(m_device, &allocInfo, &commandBuffer), "vkAllocateCommandBuffers(texture)");
-
-        VkCommandBufferBeginInfo beginInfo{};
-        beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
-        beginInfo.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
-        VK_VERIFY(vkBeginCommandBuffer(commandBuffer, &beginInfo), "vkBeginCommandBuffer(texture)");
-
-        const VkImageAspectFlags aspectMask = GetAspectMaskForFormat(outResource.format);
-        Bool ok = TransitionImageLayout(commandBuffer, outResource.image,
-                              outResource.layout,
-                              VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
-                              outResource.layout == VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL ?
-                                  kGraphicsSampledReadStages :
-                                  VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
-                              VK_PIPELINE_STAGE_TRANSFER_BIT,
-                              outResource.layout == VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL ? VK_ACCESS_SHADER_READ_BIT : 0,
-                              VK_ACCESS_TRANSFER_WRITE_BIT,
-                              aspectMask, 0, outResource.mipLevels);
-        MOBILEGL_ASSERT(ok, "TransitionImageLayout to VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL failed");
-
-        for (const auto& item : uploadItems) {
-            VkBufferImageCopy copy{};
-            copy.bufferOffset = item.offset;
-            copy.bufferRowLength = 0;
-            copy.bufferImageHeight = 0;
-            copy.imageSubresource.aspectMask = aspectMask;
-            copy.imageSubresource.mipLevel = item.level;
-            copy.imageSubresource.baseArrayLayer = 0;
-            copy.imageSubresource.layerCount = 1;
-            copy.imageOffset = {0, 0, 0};
-            copy.imageExtent = {static_cast<Uint32>(item.texelSize.x()), static_cast<Uint32>(item.texelSize.y()), 1};
-            vkCmdCopyBufferToImage(commandBuffer, stagingBuffer, outResource.image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
-                                   1, &copy);
-        }
-
-        ok = TransitionImageLayout(commandBuffer, outResource.image,
-                                        outResource.layout,
-                                        VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
-                                        VK_PIPELINE_STAGE_TRANSFER_BIT,
-                                        kGraphicsSampledReadStages,
-                                        VK_ACCESS_TRANSFER_WRITE_BIT,
-                                        VK_ACCESS_SHADER_READ_BIT,
-                                        aspectMask, 0, outResource.mipLevels);
-        MOBILEGL_ASSERT(ok, "TransitionImageLayout to VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL failed");
-        outResource.layout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
-
-        VK_VERIFY(vkEndCommandBuffer(commandBuffer), "vkEndCommandBuffer(texture)");
-
-        VkSubmitInfo submitInfo{};
-        submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
-        submitInfo.commandBufferCount = 1;
-        submitInfo.pCommandBuffers = &commandBuffer;
-
-        VkFenceCreateInfo fenceInfo{};
-        fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
-        VkFence uploadFence = VK_NULL_HANDLE;
-        VK_VERIFY(vkCreateFence(m_device, &fenceInfo, nullptr, &uploadFence), "vkCreateFence(texture upload)");
-
-        VK_VERIFY(vkQueueSubmit(m_graphicsQueue, 1, &submitInfo, uploadFence), "vkQueueSubmit(texture)");
-        VK_VERIFY(vkWaitForFences(m_device, 1, &uploadFence, VK_TRUE, UINT64_MAX), "vkWaitForFences(texture upload)");
-        vkDestroyFence(m_device, uploadFence, nullptr);
-        vkFreeCommandBuffers(m_device, m_commandPool, 1, &commandBuffer);
-
-        vmaDestroyBuffer(m_allocator, stagingBuffer, stagingAllocation);
-
-        if (!ok) {
-            MGLOG_D("%s: texture upload cmd failed", __func__);
-            return false;
-        }
-        for (const auto& item : uploadItems) {
-            mipmapTexture.MarkStorageDirty(uploadTarget, item.level, false);
-        }
-        outResource.layout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
-        return true;
-    }
-
-    Bool VkTextureManager::CheckMipmapCompleteness(const MG_State::GLState::ITextureObject& texture,
-                                                   TextureUploadTarget& outTarget,
-                                                   IntVec3& outTexelSize,
-                                                   SizeT& outByteSize,
-                                                   Uint32& outMipLevelCount) {
-        const auto* mipTexture = dynamic_cast<const MG_State::GLState::TextureObjectMipmap*>(&texture);
-        if (!mipTexture) {
-            MGLOG_D("%s: not TextureObjectMipmap", __func__);
-            return false;
-        }
-        const auto& targets = texture.GetUploadTargets();
-        if (targets.empty()) {
-            MGLOG_D("%s: upload target empty", __func__);
-            return false;
-        }
-
-        for (const auto target : targets) {
-            const Uint32 mipLevelCount = GetUploadMipLevelCount(*mipTexture, target);
-            if (mipLevelCount == 0) {
-                MGLOG_D("%s: mipLevelCount == 0", __func__);
-                continue;
-            }
-
-            // Backing VkImage allocation still uses storage mip 0 as the physical image extent.
-            // GL_TEXTURE_BASE_LEVEL / MAX_LEVEL are applied later when building the sampled view.
-            const auto storageBaseTexelSize = mipTexture->GetMipmapTexelSize(target, 0);
-            const auto storageBaseByteSize = mipTexture->GetMipmapByteSize(target, 0);
-            if (storageBaseTexelSize.x() <= 0 || storageBaseTexelSize.y() <= 0 /*|| storageBaseByteSize == 0*/) {
-                continue;
-            }
-
-            outTarget = target;
-            outTexelSize = storageBaseTexelSize;
-            outByteSize = storageBaseByteSize;
-            outMipLevelCount = mipLevelCount;
-            return true;
-        }
-        MGLOG_D("%s: no valid target or mipmap", __func__);
-        return false;
-    }
-
-    Uint32 VkTextureManager::GetUploadMipLevelCount(const MG_State::GLState::TextureObjectMipmap& texture,
-                                                    TextureUploadTarget target) {
-        const Uint totalLevelCount = texture.GetMipmapLevelCount();
-        if (totalLevelCount == 0) {
-            return 0;
-        }
-
-        Uint32 validLevelCount = 0;
-        for (Uint level = 0; level < totalLevelCount; ++level) {
-            const auto size = texture.GetMipmapTexelSize(target, level);
-            const auto byteSize = texture.GetMipmapByteSize(target, level);
-            if (size.x() <= 0 || size.y() <= 0 /*|| byteSize == 0*/) {
-                break;
-            }
-            ++validLevelCount;
-        }
-        return validLevelCount;
-    }
-
-    void VkTextureManager::ResolveViewMipRange(const MG_State::GLState::ITextureObject& texture, Uint32 mipLevels,
-                                               Uint32& outBaseMipLevel, Uint32& outLevelCount) {
-        MOBILEGL_ASSERT(mipLevels > 0, "ResolveViewMipRange: mipLevels must be > 0");
-
-        const auto& levelRange = texture.GetLevelRange();
-        const Uint32 maxAvailableMipLevel = mipLevels - 1;
-        const Uint32 requestedBaseMipLevel = std::min(static_cast<Uint32>(levelRange.x()), maxAvailableMipLevel);
-        Uint32 requestedMaxMipLevel = std::min(static_cast<Uint32>(levelRange.y()), maxAvailableMipLevel);
-        if (requestedMaxMipLevel < requestedBaseMipLevel) {
-            requestedMaxMipLevel = requestedBaseMipLevel;
-        }
-
-        outBaseMipLevel = requestedBaseMipLevel;
-        outLevelCount = requestedMaxMipLevel - requestedBaseMipLevel + 1;
-    }
-
-    VkImageAspectFlags VkTextureManager::GetAspectMaskForFormat(VkFormat format) {
-        switch (format) {
-        case VK_FORMAT_D16_UNORM:
-        case VK_FORMAT_X8_D24_UNORM_PACK32:
-        case VK_FORMAT_D32_SFLOAT:
-            return VK_IMAGE_ASPECT_DEPTH_BIT;
-        case VK_FORMAT_S8_UINT:
-            return VK_IMAGE_ASPECT_STENCIL_BIT;
-        case VK_FORMAT_D16_UNORM_S8_UINT:
-        case VK_FORMAT_D24_UNORM_S8_UINT:
-        case VK_FORMAT_D32_SFLOAT_S8_UINT:
-            return VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT;
-        default:
-            return VK_IMAGE_ASPECT_COLOR_BIT;
-        }
-    }
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/VkTextureManager.h

@@ -1,146 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/VkTextureManager.h
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#pragma once
-
-#include "../VkIncludes.h"
-#include <Includes.h>
-#include <MG_State/GLState/TextureState/TextureObject.h>
-#include <vk_mem_alloc.h>
-
-namespace MobileGL::MG_State::GLState {
-class ITextureObject;
-}
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-class VkTextureManager {
-public:
-    struct InitInfo {
-        VkDevice device = VK_NULL_HANDLE;
-        VkPhysicalDevice physicalDevice = VK_NULL_HANDLE;
-        VmaAllocator allocator = nullptr;
-        VkCommandPool commandPool = VK_NULL_HANDLE;
-        VkQueue graphicsQueue = VK_NULL_HANDLE;
-    };
-
-    struct TextureResource {
-        VkImage image = VK_NULL_HANDLE;
-        VmaAllocation allocation = nullptr;
-        VkImageView fullView = VK_NULL_HANDLE;
-        Vector<VkImageView> perMipViews;
-        VkImageLayout layout = VK_IMAGE_LAYOUT_UNDEFINED;
-        VkExtent2D extent = {0, 0};
-        Uint32 mipLevels = 1;
-        Uint32 sampledBaseMipLevel = 0;
-        Uint32 sampledLevelCount = 1;
-        VkFormat format = VK_FORMAT_UNDEFINED;
-        VkImageAspectFlags aspect = VK_IMAGE_ASPECT_NONE;
-        Uint16 syncedTextureParamsVersion = 0;
-
-        TextureResource() = default;
-        TextureResource(const TextureResource&) = delete;
-        TextureResource(TextureResource&& that) noexcept {
-            std::swap(this->image, that.image);
-            std::swap(this->allocation, that.allocation);
-            std::swap(this->fullView, that.fullView);
-            std::swap(this->perMipViews, that.perMipViews);
-            std::swap(this->layout, that.layout);
-            std::swap(this->extent, that.extent);
-            std::swap(this->mipLevels, that.mipLevels);
-            std::swap(this->sampledBaseMipLevel, that.sampledBaseMipLevel);
-            std::swap(this->sampledLevelCount, that.sampledLevelCount);
-            std::swap(this->format, that.format);
-            std::swap(this->aspect, that.aspect);
-            std::swap(this->syncedTextureParamsVersion, that.syncedTextureParamsVersion);
-        }
-
-        void Reset() {
-            if (fullView != VK_NULL_HANDLE) {
-                vkDestroyImageView(s_device, fullView, nullptr);
-            }
-            for (const auto attachmentView : perMipViews) {
-                if (attachmentView != VK_NULL_HANDLE) {
-                    vkDestroyImageView(s_device, attachmentView, nullptr);
-                }
-            }
-            if (image != VK_NULL_HANDLE && allocation != nullptr) {
-                vmaDestroyImage(s_allocator, image, allocation);
-            }
-            fullView = VK_NULL_HANDLE;
-            perMipViews.clear();
-            image = VK_NULL_HANDLE;
-            allocation = nullptr;
-            layout = VK_IMAGE_LAYOUT_UNDEFINED;
-            extent = {0, 0};
-            mipLevels = 1;
-            sampledBaseMipLevel = 0;
-            sampledLevelCount = 1;
-            format = VK_FORMAT_UNDEFINED;
-            aspect = VK_IMAGE_ASPECT_NONE;
-            syncedTextureParamsVersion = 0;
-        }
-
-        ~TextureResource() {
-            Reset();
-        }
-
-        static inline VkDevice s_device = VK_NULL_HANDLE;
-        static inline VmaAllocator s_allocator = VK_NULL_HANDLE;
-    };
-
-    Bool Initialize(const InitInfo& initInfo);
-    void Shutdown();
-
-    TextureResource* SyncTextureAndGetDescriptor(
-        MG_State::GLState::ITextureObject& texture);
-    VkImageView GetOrCreateViewAtMipLevel(MG_State::GLState::ITextureObject& texture, Uint32 mipLevel);
-    void UpdateTrackedImageLayout(MG_State::GLState::ITextureObject* texture, VkImageLayout newLayout);
-    Bool TransitionTextureForSampling(VkCommandBuffer commandBuffer, MG_State::GLState::ITextureObject& texture);
-
-    static Bool TransitionImageLayout(VkCommandBuffer commandBuffer, VkImage image, VkImageLayout& trackedLayout,
-                               VkImageLayout newLayout, VkPipelineStageFlags srcStageMask,
-                               VkPipelineStageFlags dstStageMask, VkAccessFlags srcAccessMask,
-                               VkAccessFlags dstAccessMask, VkImageAspectFlags aspectMask,
-                               Uint32 baseMipLevel = 0, Uint32 levelCount = 1);
-
-    SizeT CollectGarbage();
-private:
-
-    Bool SyncTexture(MG_State::GLState::ITextureObject &texture,
-                     TextureResource &outResource);
-    Bool SyncTextureResource(const MG_State::GLState::ITextureObject &texture,
-                             TextureUploadTarget uploadTarget,
-                             const IntVec3 &texelSize, SizeT byteSize, Uint32 mipLevels,
-                             TextureResource &resource);
-    Bool SyncTextureViews(const MG_State::GLState::ITextureObject& texture, TextureResource& resource);
-    VkImageView CreateImageView(VkImage image, VkFormat format, VkImageAspectFlags aspect,
-                                Uint32 baseMipLevel, Uint32 levelCount) const;
-    Bool UploadDirtyMipLevels(MG_State::GLState::TextureObjectMipmap &mipmapTexture,
-                      TextureUploadTarget uploadTarget,
-                      TextureResource &outResource);
-    static Bool CheckMipmapCompleteness(const MG_State::GLState::ITextureObject& texture,
-                                        TextureUploadTarget& outTarget,
-                                        IntVec3& outTexelSize,
-                                        SizeT& outByteSize,
-                                        Uint32& outMipLevelCount);
-    static Uint32 GetUploadMipLevelCount(const MG_State::GLState::TextureObjectMipmap& texture, TextureUploadTarget target);
-    static void ResolveViewMipRange(const MG_State::GLState::ITextureObject& texture, Uint32 mipLevels,
-                                    Uint32& outBaseMipLevel, Uint32& outLevelCount);
-    static VkImageAspectFlags GetAspectMaskForFormat(VkFormat format);
-
-    VkDevice m_device = VK_NULL_HANDLE;
-    VkPhysicalDevice m_physicalDevice = VK_NULL_HANDLE;
-    VmaAllocator m_allocator = nullptr;
-    VkCommandPool m_commandPool = VK_NULL_HANDLE;
-    VkQueue m_graphicsQueue = VK_NULL_HANDLE;
-
-    Uint8 m_gcCounter = 0;
-    UnorderedMap<MG_State::GLState::ITextureObject*, WeakPtr<MG_State::GLState::ITextureObject>> m_aliveObjects;
-    UnorderedMap<MG_State::GLState::ITextureObject*, TextureResource> m_textureResources;
-};
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.h

@@ -1,256 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.h
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#pragma once
-#include "Config.h"
-#include "FrameContext.h"
-#include "PipelineFactory.h"
-#include "ProgramFactory.h"
-#include "SwapchainObject.h"
-#include "UniformManager.h"
-#include "VertexInputStateFactory.h"
-#include "VkBufferObject.h"
-#include "VkBufferManager.h"
-#include "VkClearManager.h"
-#include "VkRenderPassManager.h"
-#include "VkSamplerManager.h"
-#include "VkTextureManager.h"
-#include "MG_Util/Math/VectorTypes.h"
-#include <Includes.h>
-#include <vk_mem_alloc.h>
-
-#include "../VkIncludes.h"
-
-namespace MobileGL::MG_State::GLState {
-    class FramebufferObject;
-    class ProgramObject;
-    class SamplerObject;
-    class VertexArrayObject;
-} // namespace MobileGL::MG_State::GLState
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    enum class DrawSetupAspect: Uint8 {
-        FramebufferObject  = 1 << 0,
-        VertexArrayObject  = 1 << 1,
-        UniformBuffer      = 1 << 2,
-        VertexBuffer       = 1 << 3,
-        IndexBuffer        = 1 << 4,
-        IndirectDrawBuffer = 1 << 5,
-        Viewport           = 1 << 6,
-        Scissor            = 1 << 7,
-    };
-
-    struct DrawCmdParam {
-        Uint32 vertexCount = 0;
-        Uint32 instanceCount = 1;
-        Uint32 firstVertex = 0;
-        Uint32 firstInstance = 0;
-    };
-
-    struct DrawIndexedCmdParam {
-        Uint32 indexCount = 0;
-        Uint32 instanceCount = 1;
-        Uint32 firstIndex = 0;
-        Int32 vertexOffset = 0;
-        Int32 firstInstance = 0;
-    };
-
-    struct DrawCmd {
-        GLenum mode = GL_TRIANGLES;
-        DrawCmdParam params;
-    };
-
-    struct IndexBufferView {
-        GLenum indexType = GL_UNSIGNED_SHORT;
-        SizeT indexByteOffset = 0;
-        SizeT indexByteSize = 0;
-    };
-
-    struct DrawIndexedCmd {
-        GLenum mode = GL_TRIANGLES;
-        IndexBufferView indexBufferView;
-
-        DrawIndexedCmdParam params;
-    };
-
-    struct MultiDrawIndexedCmd {
-        GLenum mode = GL_TRIANGLES;
-        IndexBufferView indexBufferView;
-
-        Uint32 drawCount = 0;
-        DrawIndexedCmdParam* pParams = nullptr;
-    };
-
-    struct QueueFamilyIndices {
-        Int32 graphicsFamily = -1;
-        Int32 presentFamily = -1;
-    };
-
-    struct PhysicalDevice {
-        QueueFamilyIndices queueFamilies;
-        VkPhysicalDeviceProperties properties;
-        VkPhysicalDevice handle = VK_NULL_HANDLE;
-
-        Bool IsComplete() const {
-            return handle != VK_NULL_HANDLE && queueFamilies.graphicsFamily != -1 && queueFamilies.presentFamily != -1;
-        }
-    };
-
-    class VulkanRenderer {
-    public:
-        VulkanRenderer(NativeWindowType window, const VulkanRendererConfig& cfg = {});
-        ~VulkanRenderer();
-
-        void Initialize();
-        void Shutdown();
-
-        Bool SetupDraw(FrameContext::FrameData& frame, GLenum mode, Flags<DrawSetupAspect> aspects,
-                       const IndexBufferView* pIndexBufferView = nullptr);
-        void ClearAttachmentsOnActiveRenderPass(VkCommandBuffer commandBuffer,
-                                                const RenderPassEntry& compatibleRenderPassEntry);
-
-        void Clear(GLbitfield mask);
-        void BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
-                             GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
-                             GLbitfield mask, GLenum filter);
-        void DrawArrays(const DrawCmd& payload);
-        void DrawElements(const DrawIndexedCmd& payload);
-        void MultiDrawElements(const MultiDrawIndexedCmd& payloads);
-        void Present();
-
-        const PhysicalDevice& GetPhysicalDevice() const;
-        Bool IsDrawIndirectCountExtensionEnabled() const;
-
-        void RecreateSwapchain();
-
-    private:
-        struct BlitUniformData {
-            float srcRect[4] = {0.f, 0.f, 1.f, 1.f};
-            float dstRect[4] = {0.f, 0.f, 1.f, 1.f};
-            Int surfaceTransform = 0;
-            Int padding[3] = {0, 0, 0};
-        };
-
-        struct BlitResources {
-            SharedPtr<MG_State::GLState::ProgramObject> program;
-            SharedPtr<MG_State::GLState::SamplerObject> nearestSampler;
-            SharedPtr<MG_State::GLState::SamplerObject> linearSampler;
-            Int srcRectLocation = -1;
-            Int dstRectLocation = -1;
-            Int surfaceTransformLocation = -1;
-            Uint32 samplerBinding = 0;
-        };
-
-        NativeWindowType m_window = 0;
-        VulkanRendererConfig m_config;
-
-        // Vulkan objects
-        Bool m_validationLayersEnabled = false;
-        Vector<VkExtensionProperties> m_extensions;
-        VkInstance m_instance = VK_NULL_HANDLE;
-        VkDebugUtilsMessengerEXT m_debugMessenger = VK_NULL_HANDLE;
-        PhysicalDevice m_physicalDevice;
-        VkDevice m_device = VK_NULL_HANDLE;
-        VmaAllocator m_allocator = nullptr;
-        VkSurfaceKHR m_surface = VK_NULL_HANDLE;
-        SwapchainObject m_swapchainObject;
-
-        VkQueue m_graphicsQueue = VK_NULL_HANDLE;
-        VkQueue m_presentQueue = VK_NULL_HANDLE;
-        Bool m_drawIndirectCountExtensionEnabled = false;
-        Bool m_indexTypeUint8ExtensionEnabled = false;
-        using PFNDrawIndexedIndirectCountFunc = void(VKAPI_PTR*)(VkCommandBuffer commandBuffer, VkBuffer buffer,
-                                                                 VkDeviceSize offset, VkBuffer countBuffer,
-                                                                 VkDeviceSize countBufferOffset, Uint32 maxDrawCount,
-                                                                 Uint32 stride);
-        static inline PFNDrawIndexedIndirectCountFunc s_vkCmdDrawIndexedIndirectCount = nullptr;
-
-        VkCommandPool m_commandPool = VK_NULL_HANDLE;
-
-        VkBufferManager m_bufferManager;
-        Vector<const MG_State::GLState::BufferObject*> m_transientVertexIndexBuffersThisFrame;
-
-        Uint m_imageIndexAcquired = 0;
-        FrameContext m_frameContext;
-
-        UniquePtr<PipelineFactory> m_pipelineFactory;
-        UniquePtr<ProgramFactory> m_programFactory;
-        UniquePtr<UniformManager> m_uniformManager;
-        UniquePtr<VertexInputStateFactory> m_vertexInputStateFactory;
-        UniquePtr<VkClearManager> m_clearManager;
-        UniquePtr<VkRenderPassManager> m_renderPassManager;
-        UniquePtr<VkTextureManager> m_textureManager;
-        UniquePtr<VkSamplerManager> m_samplerManager;
-        BlitResources m_blitResources;
-
-        void CreateInstance();
-        VkResult SetupDebugMessenger();
-        VkResult DestroyDebugMessenger();
-        VkDebugUtilsMessengerCreateInfoEXT PopulateDebugMessengerCreateInfo();
-        void CreateSurface();
-        void PickPhysicalDevice();
-        void CreateLogicalDeviceAndQueues();
-        void CreateAllocator();
-        void DestroyAllocator();
-        void CreateSwapchain();
-        void CreateCommandPool();
-
-        VkPipeline GetOrCreatePipeline(
-            GLenum mode,
-            const MG_State::GLState::ProgramObject& program,
-            const MG_State::GLState::VertexArrayObject& vao,
-            const RenderPassEntry& renderPassEntry);
-
-        Bool UploadAndBindVertexBuffers(VkCommandBuffer commandBuffer, const MG_State::GLState::VertexArrayObject& vao);
-        Bool UploadAndBindIndexBuffer(FrameContext::FrameData& frame,
-                                     const MG_State::GLState::VertexArrayObject& vao,
-                                      const IndexBufferView* pIndexBufferView = nullptr);
-        Bool InitializeBlitResources();
-        void ShutdownBlitResources();
-        Bool TryBlitToDefaultFramebufferWithShader(FrameContext::FrameData& frame,
-                                                   MG_State::GLState::FramebufferObject& readFbo,
-                                                   MG_State::GLState::FramebufferObject& drawFbo,
-                                                   GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
-                                                   GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
-                                                   GLenum filter);
-        Bool MaterializePendingClearForTexture(VkCommandBuffer commandBuffer,
-                                               MG_State::GLState::ITextureObject& texture);
-        VkPipeline GetOrCreateBlitPipeline(const RenderPassEntry& renderPassEntry);
-
-        void ShutdownSwapchain();
-
-        // Static functions
-        static Int GetPresentQueueFamilyIndex(const PhysicalDevice& physicalDevice, VkSurfaceKHR surface,
-                                              const Vector<VkQueueFamilyProperties>& queueFamilies,
-                                              Int preferredFamilyIndex = -1);
-        static Vector<VkQueueFamilyProperties> GetQueueFamilyFromPhysicalDevice(VkPhysicalDevice device);
-        static Int GetQueueFamilyIndex(const Vector<VkQueueFamilyProperties>& queueFamilies, VkQueueFlagBits flag);
-        static Vector<VkExtensionProperties> EnumerateInstanceExtensions();
-        static Vector<VkExtensionProperties> EnumerateDeviceExtensions(VkPhysicalDevice device);
-        static Bool IsExtensionSupported(const Vector<VkExtensionProperties>& availableExtensions,
-                                         const char* extensionName);
-        static Bool IsExtensionAlreadyEnabled(const Vector<const char*>& enabledExtensions, const char* extensionName);
-        static Bool EnableOptionalDeviceExtension(const Vector<VkExtensionProperties>& availableExtensions,
-                                                  Vector<const char*>& inOutEnabledExtensions,
-                                                  const char* extensionName);
-        void ResolveOptionalDeviceExtensions(const Vector<VkExtensionProperties>& availableExtensions,
-                                             Vector<const char*>& inOutEnabledExtensions);
-        static Bool IsNecessaryDeviceExtensionSupported(VkPhysicalDevice device);
-        static Bool GetMoreCapablePhysicalDevice(VkPhysicalDevice newVkDevice, VkSurfaceKHR surface,
-                                                 const PhysicalDevice& compareWithDevice,
-                                                 PhysicalDevice& outBetterDevice);
-        static constexpr const char* s_validationLayerNames[] = {"VK_LAYER_KHRONOS_validation"};
-        static constexpr const char* s_deviceExtensionNames[] = {VK_KHR_SWAPCHAIN_EXTENSION_NAME};
-        static Bool CheckValidationLayerSupport();
-
-        static VKAPI_ATTR VkBool32 VKAPI_CALL DebugCallback(VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity,
-                                                            VkDebugUtilsMessageTypeFlagsEXT messageType,
-                                                            const VkDebugUtilsMessengerCallbackDataEXT* pCallbackData,
-                                                            void* pUserData);
-    };
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/VkIncludes.h

@@ -1,25 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/VkIncludes.h
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#pragma once
-
-#include "VulkanRendererConfig.h"
-
-#define VK_VERIFY(expr, ...)                                                                                           \
-    do {                                                                                                               \
-        VkResult _vk_verify_result = (expr);                                                                           \
-        MOBILEGL_ASSERT(_vk_verify_result == VK_SUCCESS, "Vulkan error %d at %s:%d" __VA_OPT__(" - ") __VA_ARGS__, _vk_verify_result, __FILE__, __LINE__);  \
-    } while (0)
-
-#define ENUM_STR_CASE(c) case c: return #c;
-
-#define XXHASH_VERIFY(expr, ...)                                                                                       \
-    do {                                                                                                               \
-        XXH_errorcode _xxh_verify_result = (expr);                                                                     \
-        MOBILEGL_ASSERT(_xxh_verify_result == XXH_OK, "XXHash error %d at %s:%d" __VA_OPT__(" - ") __VA_ARGS__, _xxh_verify_result, __FILE__, __LINE__);  \
-    } while (0)

MobileGL/MG_Backend/DirectVulkan/VulkanRendererConfig.h

@@ -1,20 +0,0 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRendererConfig.h
-// Copyright (c) 2025-2026 MobileGL-Dev
-// Licensed under the GNU Lesser General Public License v3.0:
-//   https://www.gnu.org/licenses/gpl-3.0.txt
-//   https://www.gnu.org/licenses/lgpl-3.0.txt
-// SPDX-License-Identifier: LGPL-3.0-only
-// End of Source File Header
-
-#pragma once
-#include "Config.h"
-
-namespace MobileGL::MG_Backend::DirectVulkan {
-    struct VulkanRendererConfig {
-        Uint32 MaxFramesInFlight = 2;
-        String AppName = "MobileGL-VulkanRenderer";
-        MobileGL::Version Version = MG_Config::CoreVersion;
-        Uint64 CacheVersion = MG_Config::CacheVersion;
-        Bool EnableValidationLayers = true;
-    };
-} // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkanTMP/BackendObject_DirectVulkanTMP.cpp

@@ -0,0 +1,119 @@
+// MobileGL - MobileGL/MG_Backend/DirectVulkanTMP/BackendObject_DirectVulkanTMP.cpp
+// Copyright (c) 2025-2026 MobileGL-Dev
+// Licensed under the GNU Lesser General Public License v3.0:
+//   https://www.gnu.org/licenses/gpl-3.0.txt
+//   https://www.gnu.org/licenses/lgpl-3.0.txt
+// SPDX-License-Identifier: LGPL-3.0-only
+// End of Source File Header
+
+#include "BackendObject_DirectVulkanTMP.h"
+#include "MG_Backend/BackendObject.h"
+#include "DirectVulkanTMP.h"
+#include "TmpImpl.h"
+#include <MG_Util/BackendLoaders/OpenGL/Loader.h>
+
+namespace MobileGL::MG_Backend::DirectVulkanTMP {
+    BackendObject_DirectVulkanTMP::~BackendObject_DirectVulkanTMP() = default;
+
+    void BackendObject_DirectVulkanTMP::InitWindowSurface() {
+        auto nativeWindow = reinterpret_cast<NativeWindowType>(m_windowHandle.Handle);
+        if (!DirectVulkanTMP::InitWindowSurface(nativeWindow)) {
+            MGLOG_E("Failed to initialize window surface for DirectVulkanTMP backend");
+        }
+    }
+
+    void BackendObject_DirectVulkanTMP::Initialize() {
+        m_initialized = true;
+    }
+
+    void BackendObject_DirectVulkanTMP::InitCapabilities() {
+        if (!m_initialized) {
+            MGLOG_E("Cannot initialize capabilities before backend is initialized");
+            return;
+        }
+
+        MG_Util::BackendLoader::QueryVulkanCapabilities(m_vulkanCaps,
+                                                        DirectVulkanTMP::GetVulkanState().ctx->GetPhysicalDevice());
+        UpdateDynamicBackendParameters();
+    }
+
+    const RendererInfo& BackendObject_DirectVulkanTMP::GetRendererInfo() const {
+        static RendererInfo RendererInfo = {
+            .RendererName = "Magma-TMP",          // Renderer Name
+            .BackendName = "Direct (Vulkan) TMP", // Backend Name
+            .ExtraVendor = Nullopt,               // Extra vendor
+            .RendererGLInfo =
+                {
+                    .TargetGLVersion = {3, 3, 0},                      // Target OpenGL Version
+                    .TargetGLSLVersion = {4, 6, 0},                    // Target Shading Language Version
+                    .Extensions = {V_OpenGL30, V_OpenGL31, V_OpenGL32, // OpenGL Extensions
+                                   V_OpenGL33},
+                    .IsCompatibilityProfile = false // Is Compatibility Profile
+                },
+            .StaticBackendCapability = {.AllowVSOnlyPrograms = false} // Backend Capability
+        };
+        return RendererInfo;
+    }
+
+    String BackendObject_DirectVulkanTMP::GetBackendAPIVersionString() const {
+        if (!m_initialized) {
+            return "<uninitialized DirectVulkanTMP backend>";
+        }
+        // Format:
+        // <GPU Name>, Vulkan <Vulkan Version>, Driver <Driver Version>
+        // TODO
+        String str = m_vulkanCaps.DeviceName + ", Vulkan " + m_vulkanCaps.VulkanAPIVersion.toString() + ", Driver " +
+                     m_vulkanCaps.DriverVersionString;
+        return str;
+    }
+
+    BackendType BackendObject_DirectVulkanTMP::GetBackendType() const {
+        return BackendType::DirectVulkanTMP;
+    }
+
+    const GlobalBackendFunctionsTable& BackendObject_DirectVulkanTMP::GetBackendFunctions() const {
+        static GlobalBackendFunctionsTable funcsTable;
+        static Bool funcsTableInitialized = false;
+        if (!funcsTableInitialized) {
+            funcsTable.Present = DirectVulkanTMP::Present;
+            funcsTable.GL.DrawArrays = DrawArrays;
+            funcsTable.GL.DrawElements = DrawElements;
+            funcsTable.GL.DrawElementsBaseVertex = DrawElementsBaseVertex;
+            funcsTable.GL.MultiDrawElements = MultiDrawElements;
+            funcsTable.GL.MultiDrawElementsBaseVertex = MultiDrawElementsBaseVertex;
+            funcsTable.GL.MultiDrawElementsIndirect = MultiDrawElementsIndirect;
+            funcsTable.GL.MultiDrawArraysIndirect = MultiDrawArraysIndirect;
+            funcsTable.GL.DrawRangeElementsBaseVertex = DrawRangeElementsBaseVertex;
+            funcsTable.GL.DrawRangeElements = DrawRangeElements;
+            funcsTable.GL.DrawElementsInstancedBaseVertexBaseInstance = DrawElementsInstancedBaseVertexBaseInstance;
+            funcsTable.GL.DrawElementsInstancedBaseVertex = DrawElementsInstancedBaseVertex;
+            funcsTable.GL.DrawElementsInstancedBaseInstance = DrawElementsInstancedBaseInstance;
+            funcsTable.GL.DrawElementsInstanced = DrawElementsInstanced;
+            funcsTable.GL.DrawArraysInstancedBaseInstance = DrawArraysInstancedBaseInstance;
+            funcsTable.GL.DrawArraysInstanced = DrawArraysInstanced;
+            funcsTable.GL.DrawElementsIndirect = DrawElementsIndirect;
+            funcsTable.GL.DrawArraysIndirect = DrawArraysIndirect;
+            funcsTable.GL.Clear = Clear;
+            funcsTable.GL.ClearBufferfi = ClearBufferfi;
+            funcsTable.GL.ClearBufferfv = ClearBufferfv;
+            funcsTable.GL.ClearBufferuiv = ClearBufferuiv;
+            funcsTable.GL.ClearBufferiv = ClearBufferiv;
+            funcsTable.GL.BlitFramebuffer = BlitFramebuffer;
+            funcsTable.GL.CopyTexImage2D = CopyTexImage2D;
+            funcsTable.GL.CopyTexSubImage2D = CopyTexSubImage2D;
+            funcsTable.GL.GenerateMipmap = GenerateMipmap;
+            funcsTable.GL.ReadPixels = ReadPixels;
+            funcsTable.GL.GetTexImage = GetTexImage;
+            funcsTableInitialized = true;
+        }
+        return funcsTable;
+    }
+
+    const DynamicBackendParameters& BackendObject_DirectVulkanTMP::GetDynamicParameters() const {
+        return m_dynamicParameters;
+    }
+
+    void BackendObject_DirectVulkanTMP::UpdateDynamicBackendParameters() {
+        m_dynamicParameters.UniformBufferOffsetAlignment = m_vulkanCaps.UniformBufferOffsetAlignment;
+    }
+} // namespace MobileGL::MG_Backend::DirectVulkanTMP

MobileGL/MG_Backend/DirectVulkanTMP/BackendObject_DirectVulkanTMP.h

@@ -1,4 +1,4 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/BackendObject_DirectVulkan.h
+// MobileGL - MobileGL/MG_Backend/DirectVulkanTMP/BackendObject_DirectVulkanTMP.h
 // Copyright (c) 2025-2026 MobileGL-Dev
 // Licensed under the GNU Lesser General Public License v3.0:
 //   https://www.gnu.org/licenses/gpl-3.0.txt
@@ -11,18 +11,14 @@
 #include "../BackendObject.h"
 #include <MG_Util/BackendLoaders/Vulkan/Loader.h>
 
-namespace MobileGL::MG_Backend::DirectVulkan {
-    class BackendObject_DirectVulkan : public BackendObject {
+namespace MobileGL::MG_Backend::DirectVulkanTMP {
+    class BackendObject_DirectVulkanTMP : public BackendObject {
     public:
-        ~BackendObject_DirectVulkan() override;
+        ~BackendObject_DirectVulkanTMP() override;
 
         void Initialize() override;
-        Bool InitWindowSurface() override;
-        Bool InitCapabilities() override;
-        Bool InitializeEGLDisplay(EGLDisplay dpy, EGLint* major, EGLint* minor) override;
-        Bool CreateEGLWindowSurface(const WindowHandle& handle) override;
-        Bool MakeEGLCurrent(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx) override;
-        Bool SwapEGLBuffers(EGLDisplay dpy, EGLSurface draw) override;
+        void InitWindowSurface() override;
+        void InitCapabilities() override;
 
         const RendererInfo& GetRendererInfo() const override;
         String GetBackendAPIVersionString() const override;
@@ -37,4 +33,4 @@ namespace MobileGL::MG_Backend::DirectVulkan {
         DynamicBackendParameters m_dynamicParameters;
         MG_External::VulkanCapabilities m_vulkanCaps;
     };
-} // namespace MobileGL::MG_Backend::DirectVulkan
+} // namespace MobileGL::MG_Backend::DirectVulkanTMP

MobileGL/MG_Backend/DirectVulkanTMP/DirectVulkanTMP.cpp

@@ -0,0 +1,74 @@
+// MobileGL - MobileGL/MG_Backend/DirectVulkanTMP/DirectVulkanTMP.cpp
+// Copyright (c) 2025-2026 MobileGL-Dev
+// Licensed under the GNU Lesser General Public License v3.0:
+//   https://www.gnu.org/licenses/gpl-3.0.txt
+//   https://www.gnu.org/licenses/lgpl-3.0.txt
+// SPDX-License-Identifier: LGPL-3.0-only
+// End of Source File Header
+
+#include "DirectVulkanTMP.h"
+#include "TmpImpl.h"
+
+namespace MobileGL::MG_Backend::DirectVulkanTMP {
+    void Clear(GLbitfield mask) {
+        MobileGL::MG_Backend::DirectVulkanTMP::TmpImpl::Clear(mask);
+    }
+
+    void DrawElements(GLenum mode, GLsizei count, GLenum type, const void* indices) {
+        MobileGL::MG_Backend::DirectVulkanTMP::TmpImpl::DrawElements(mode, count, type, indices);
+    }
+
+    void ClearBufferfi(GLenum buffer, GLint drawbuffer, GLfloat depth, GLint stencil) {}
+    void ClearBufferfv(GLenum buffer, GLint drawbuffer, const GLfloat* value) {}
+    void ClearBufferuiv(GLenum buffer, GLint drawbuffer, const GLuint* value) {}
+    void ClearBufferiv(GLenum buffer, GLint drawbuffer, const GLint* value) {}
+    void DrawArrays(GLenum mode, GLint first, GLsizei count) {}
+    void DrawElementsBaseVertex(GLenum mode, GLsizei count, GLenum type, const GLvoid* indices, GLint basevertex) {}
+    void MultiDrawElements(GLenum mode, const GLsizei* count, GLenum type, const GLvoid* const* indices,
+                           GLsizei drawcount) {}
+    void MultiDrawElementsBaseVertex(GLenum mode, const GLsizei* count, GLenum type, const GLvoid* const* indices,
+                                     GLsizei drawcount, const GLint* basevertex) {}
+    void MultiDrawElementsIndirect(GLenum mode, GLenum type, const void* indirect, GLsizei drawcount, GLsizei stride) {}
+    void MultiDrawArraysIndirect(GLenum mode, const void* indirect, GLsizei drawcount, GLsizei stride) {}
+    void DrawRangeElementsBaseVertex(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type,
+                                     const void* indices, GLint basevertex) {}
+    void DrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const void* indices) {}
+    void DrawElementsInstancedBaseVertexBaseInstance(GLenum mode, GLsizei count, GLenum type, const void* indices,
+                                                     GLsizei instancecount, GLint basevertex, GLuint baseinstance) {}
+    void DrawElementsInstancedBaseVertex(GLenum mode, GLsizei count, GLenum type, const void* indices,
+                                         GLsizei instancecount, GLint basevertex) {}
+    void DrawElementsInstancedBaseInstance(GLenum mode, GLsizei count, GLenum type, const void* indices,
+                                           GLsizei instancecount, GLuint baseinstance) {}
+    void DrawElementsInstanced(GLenum mode, GLsizei count, GLenum type, const void* indices, GLsizei instancecount) {}
+    void DrawElementsIndirect(GLenum mode, GLenum type, const void* indirect) {}
+    void DrawArraysInstancedBaseInstance(GLenum mode, GLint first, GLsizei count, GLsizei instancecount,
+                                         GLuint baseinstance) {}
+    void DrawArraysInstanced(GLenum mode, GLint first, GLsizei count, GLsizei instancecount) {}
+    void DrawArraysIndirect(GLenum mode, const void* indirect) {}
+    void BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1,
+                         GLint dstY1, GLbitfield mask, GLenum filter) {}
+    void CopyTexImage2D(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width,
+                        GLsizei height, GLint border) {}
+    void CopyTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width,
+                           GLsizei height) {}
+    void GenerateMipmap(GLenum target) {}
+    void ReadPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, void* pixels) {}
+    void GetTexImage(GLenum target, GLint level, GLenum format, GLenum type, GLvoid* pixels) {}
+
+    Bool InitWindowSurface(NativeWindowType window) {
+        if (!window) {
+            MGLOG_E("Cannot initialize Vulkan window surface: invalid window handle");
+            return false;
+        }
+        TmpImpl::InitVulkan(window);
+        return true;
+    }
+
+    void Present() {
+        TmpImpl::Present();
+    }
+
+    const TmpImpl::VulkanState& GetVulkanState() {
+        return TmpImpl::GetVulkanState();
+    }
+} // namespace MobileGL::MG_Backend::DirectVulkanTMP

MobileGL/MG_Backend/DirectVulkanTMP/DirectVulkanTMP.h

@@ -1,4 +1,4 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/DirectVulkan.h
+// MobileGL - MobileGL/MG_Backend/DirectVulkanTMP/DirectVulkanTMP.h
 // Copyright (c) 2025-2026 MobileGL-Dev
 // Licensed under the GNU Lesser General Public License v3.0:
 //   https://www.gnu.org/licenses/gpl-3.0.txt
@@ -8,10 +8,11 @@
 
 #pragma once
 #include <Includes.h>
-#include "Renderer/VulkanRenderer.h"
 
-namespace MobileGL::MG_Backend::DirectVulkan {
-    extern UniquePtr<VulkanRenderer> pVulkanRenderer;
+namespace MobileGL::MG_Backend::DirectVulkanTMP {
+    namespace TmpImpl {
+        class VulkanState;
+    } // namespace TmpImpl
 
     void ClearBufferfi(GLenum buffer, GLint drawbuffer, GLfloat depth, GLint stencil);
     void ClearBufferfv(GLenum buffer, GLint drawbuffer, const GLfloat* value);
@@ -51,5 +52,7 @@ namespace MobileGL::MG_Backend::DirectVulkan {
     void GenerateMipmap(GLenum target);
     void ReadPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, void* pixels);
     void GetTexImage(GLenum target, GLint level, GLenum format, GLenum type, GLvoid* pixels);
+    Bool InitWindowSurface(NativeWindowType window);
     void Present();
-} // namespace MobileGL::MG_Backend::DirectVulkan
+    const TmpImpl::VulkanState& GetVulkanState();
+} // namespace MobileGL::MG_Backend::DirectVulkanTMP

MobileGL/MG_Backend/DirectVulkanTMP/Managers/ProgramManager.cpp

@@ -0,0 +1,447 @@
+// MobileGL - MobileGL/MG_Backend/DirectVulkanTMP/Managers/ProgramManager.cpp
+// Copyright (c) 2025-2026 MobileGL-Dev
+// Licensed under the GNU Lesser General Public License v3.0:
+//   https://www.gnu.org/licenses/gpl-3.0.txt
+//   https://www.gnu.org/licenses/lgpl-3.0.txt
+// SPDX-License-Identifier: LGPL-3.0-only
+// End of Source File Header
+
+#include "ProgramManager.h"
+
+#include "MG_Util/Debug/Log.h"
+#include "spirv-tools/libspirv.h"
+#include "spirv-tools/optimizer.hpp"
+#include "source/opt/constants.h"
+#include "source/opt/instruction.h"
+#include "source/opt/ir_builder.h"
+#include "source/opt/ir_context.h"
+#include "source/opt/module.h"
+#include "source/opt/pass.h"
+#include "source/opt/type_manager.h"
+
+#include <bit>
+
+namespace MobileGL::MG_Backend::DirectVulkanTMP::VkManager {
+    namespace {
+        using ProgramObject = MG_State::GLState::ProgramObject;
+        using ShaderObject = MG_State::GLState::ShaderObject;
+
+        struct PositionTargetInfo {
+            uint32_t variableId = 0;
+            uint32_t vectorTypeId = 0;
+            uint32_t floatTypeId = 0;
+            uint32_t vectorPtrTypeId = 0;
+            uint32_t memberIndex = 0;
+            bool isMember = false;
+        };
+
+        bool IsVec4Float32(spvtools::opt::IRContext* context, uint32_t typeId, uint32_t* outFloatTypeId) {
+            auto* vecInst = context->get_def_use_mgr()->GetDef(typeId);
+            if (!vecInst || vecInst->opcode() != spv::Op::OpTypeVector) return false;
+            if (vecInst->GetSingleWordInOperand(1) != 4) return false;
+
+            const uint32_t floatTypeId = vecInst->GetSingleWordInOperand(0);
+            auto* floatInst = context->get_def_use_mgr()->GetDef(floatTypeId);
+            if (!floatInst || floatInst->opcode() != spv::Op::OpTypeFloat) return false;
+            if (floatInst->GetSingleWordInOperand(0) != 32) return false;
+
+            if (outFloatTypeId) *outFloatTypeId = floatTypeId;
+            return true;
+        }
+
+        bool ResolveDirectPositionTarget(spvtools::opt::IRContext* context, uint32_t variableId,
+                                         PositionTargetInfo* outTarget) {
+            auto* varInst = context->get_def_use_mgr()->GetDef(variableId);
+            if (!varInst || varInst->opcode() != spv::Op::OpVariable) return false;
+            if (varInst->GetSingleWordInOperand(0) != static_cast<uint32_t>(spv::StorageClass::Output)) return false;
+
+            auto* ptrTypeInst = context->get_def_use_mgr()->GetDef(varInst->type_id());
+            if (!ptrTypeInst || ptrTypeInst->opcode() != spv::Op::OpTypePointer) return false;
+            if (ptrTypeInst->GetSingleWordInOperand(0) != static_cast<uint32_t>(spv::StorageClass::Output))
+                return false;
+
+            PositionTargetInfo target{};
+            target.variableId = variableId;
+            target.vectorTypeId = ptrTypeInst->GetSingleWordInOperand(1);
+            if (!IsVec4Float32(context, target.vectorTypeId, &target.floatTypeId)) return false;
+            target.vectorPtrTypeId = varInst->type_id();
+            target.isMember = false;
+
+            *outTarget = target;
+            return true;
+        }
+
+        uint32_t FindOutputVectorPointerTypeId(spvtools::opt::IRContext* context, uint32_t vectorTypeId) {
+            auto* vectorType = context->get_type_mgr()->GetType(vectorTypeId);
+            if (!vectorType) return 0;
+            spvtools::opt::analysis::Pointer ptrType(vectorType, spv::StorageClass::Output);
+            return context->get_type_mgr()->GetTypeInstruction(&ptrType);
+        }
+
+        bool ResolveMemberPositionTarget(spvtools::opt::IRContext* context, uint32_t structTypeId, uint32_t memberIndex,
+                                         PositionTargetInfo* outTarget) {
+            auto* structInst = context->get_def_use_mgr()->GetDef(structTypeId);
+            if (!structInst || structInst->opcode() != spv::Op::OpTypeStruct) return false;
+            if (memberIndex >= structInst->NumInOperands()) return false;
+
+            const uint32_t vectorTypeId = structInst->GetSingleWordInOperand(memberIndex);
+            uint32_t floatTypeId = 0;
+            if (!IsVec4Float32(context, vectorTypeId, &floatTypeId)) return false;
+
+            const uint32_t vectorPtrTypeId = FindOutputVectorPointerTypeId(context, vectorTypeId);
+            if (vectorPtrTypeId == 0) return false;
+
+            for (auto& inst : context->module()->types_values()) {
+                if (inst.opcode() != spv::Op::OpVariable) continue;
+                if (inst.GetSingleWordInOperand(0) != static_cast<uint32_t>(spv::StorageClass::Output)) continue;
+
+                auto* ptrTypeInst = context->get_def_use_mgr()->GetDef(inst.type_id());
+                if (!ptrTypeInst || ptrTypeInst->opcode() != spv::Op::OpTypePointer) continue;
+                if (ptrTypeInst->GetSingleWordInOperand(0) != static_cast<uint32_t>(spv::StorageClass::Output))
+                    continue;
+                if (ptrTypeInst->GetSingleWordInOperand(1) != structTypeId) continue;
+
+                PositionTargetInfo target{};
+                target.variableId = inst.result_id();
+                target.vectorTypeId = vectorTypeId;
+                target.floatTypeId = floatTypeId;
+                target.vectorPtrTypeId = vectorPtrTypeId;
+                target.memberIndex = memberIndex;
+                target.isMember = true;
+                *outTarget = target;
+                return true;
+            }
+
+            return false;
+        }
+
+        bool FindPositionTarget(spvtools::opt::IRContext* context, PositionTargetInfo* outTarget) {
+            Vector<Pair<uint32_t, uint32_t>> memberCandidates;
+            constexpr uint32_t kDecorationBuiltIn = static_cast<uint32_t>(spv::Decoration::BuiltIn);
+            constexpr uint32_t kBuiltInPosition = static_cast<uint32_t>(spv::BuiltIn::Position);
+
+            for (auto& inst : context->module()->annotations()) {
+                if (inst.opcode() == spv::Op::OpDecorate) {
+                    if (inst.NumInOperands() < 3) continue;
+                    if (inst.GetSingleWordInOperand(1) != kDecorationBuiltIn) continue;
+                    if (inst.GetSingleWordInOperand(2) != kBuiltInPosition) continue;
+                    if (ResolveDirectPositionTarget(context, inst.GetSingleWordInOperand(0), outTarget)) return true;
+                } else if (inst.opcode() == spv::Op::OpMemberDecorate) {
+                    if (inst.NumInOperands() < 4) continue;
+                    if (inst.GetSingleWordInOperand(2) != kDecorationBuiltIn) continue;
+                    if (inst.GetSingleWordInOperand(3) != kBuiltInPosition) continue;
+                    memberCandidates.emplace_back(inst.GetSingleWordInOperand(0), inst.GetSingleWordInOperand(1));
+                }
+            }
+
+            for (const auto& [structTypeId, memberIndex] : memberCandidates) {
+                if (ResolveMemberPositionTarget(context, structTypeId, memberIndex, outTarget)) return true;
+            }
+            return false;
+        }
+
+        bool InsertPositionFixup(spvtools::opt::IRContext* context, spvtools::opt::Instruction* insertBefore,
+                                 const PositionTargetInfo& target, uint32_t halfConstId, bool doYFlip, bool doZRemap) {
+            using namespace spvtools::opt;
+            InstructionBuilder builder(context, insertBefore,
+                                       IRContext::kAnalysisDefUse | IRContext::kAnalysisInstrToBlockMapping);
+
+            uint32_t positionPtrId = target.variableId;
+            if (target.isMember) {
+                const uint32_t memberIndexId = builder.GetUintConstantId(target.memberIndex);
+                if (memberIndexId == 0) return false;
+                auto* access = builder.AddAccessChain(target.vectorPtrTypeId, target.variableId, {memberIndexId});
+                if (!access) return false;
+                positionPtrId = access->result_id();
+            }
+
+            auto* position = builder.AddLoad(target.vectorTypeId, positionPtrId);
+            if (!position) return false;
+            auto* x = builder.AddCompositeExtract(target.floatTypeId, position->result_id(), {0});
+            auto* y = builder.AddCompositeExtract(target.floatTypeId, position->result_id(), {1});
+            auto* z = builder.AddCompositeExtract(target.floatTypeId, position->result_id(), {2});
+            auto* w = builder.AddCompositeExtract(target.floatTypeId, position->result_id(), {3});
+            if (!x || !y || !z || !w) return false;
+
+            if (!doYFlip && !doZRemap) return false;
+
+            uint32_t yValueId = y->result_id();
+            if (doYFlip) {
+                auto* negY = builder.AddUnaryOp(target.floatTypeId, spv::Op::OpFNegate, y->result_id());
+                if (!negY) return false;
+                yValueId = negY->result_id();
+            }
+
+            uint32_t zValueId = z->result_id();
+            if (doZRemap) {
+                auto* zPlusW = builder.AddBinaryOp(target.floatTypeId, spv::Op::OpFAdd, z->result_id(), w->result_id());
+                if (!zPlusW) return false;
+                auto* mappedZ =
+                    builder.AddBinaryOp(target.floatTypeId, spv::Op::OpFMul, zPlusW->result_id(), halfConstId);
+                if (!mappedZ) return false;
+                zValueId = mappedZ->result_id();
+            }
+
+            auto* fixedPosition = builder.AddCompositeConstruct(target.vectorTypeId,
+                                                                {x->result_id(), yValueId, zValueId, w->result_id()});
+            if (!fixedPosition) return false;
+
+            return builder.AddStore(positionPtrId, fixedPosition->result_id()) != nullptr;
+        }
+
+        class GlToVulkanPositionFixPass final : public spvtools::opt::Pass {
+        public:
+            const char* name() const override { return "gl-to-vulkan-position-fix"; }
+            explicit GlToVulkanPositionFixPass(ShaderTransformFlags transformFlags)
+                : m_transformFlags(transformFlags) {}
+
+            Status Process() override {
+                if (!m_transformFlags) return Status::SuccessWithoutChange;
+                PositionTargetInfo target{};
+                if (!FindPositionTarget(context(), &target)) return Status::SuccessWithoutChange;
+
+                auto* floatType = context()->get_type_mgr()->GetType(target.floatTypeId);
+                if (!floatType) return Status::SuccessWithoutChange;
+
+                const uint32_t halfBits = std::bit_cast<uint32_t>(0.5f);
+                const auto* halfConst = context()->get_constant_mgr()->GetConstant(floatType, {halfBits});
+                auto* halfInst = context()->get_constant_mgr()->GetDefiningInstruction(halfConst);
+                if (!halfInst) return Status::SuccessWithoutChange;
+                const uint32_t halfConstId = halfInst->result_id();
+
+                const bool doYFlip = (m_transformFlags & ShaderTransformBit::PositionYFlip);
+                const bool doZRemap = (m_transformFlags & ShaderTransformBit::PositionZRemap);
+
+                bool modified = false;
+                for (auto& entryPoint : get_module()->entry_points()) {
+                    if (entryPoint.opcode() != spv::Op::OpEntryPoint) continue;
+                    if (entryPoint.NumInOperands() < 2) continue;
+
+                    const auto model = static_cast<spv::ExecutionModel>(entryPoint.GetSingleWordInOperand(0));
+                    if (model != spv::ExecutionModel::Vertex && model != spv::ExecutionModel::TessellationEvaluation &&
+                        model != spv::ExecutionModel::Geometry) {
+                        continue;
+                    }
+
+                    auto* function = context()->GetFunction(entryPoint.GetSingleWordInOperand(1));
+                    if (!function) continue;
+
+                    for (auto& bb : *function) {
+                        for (auto instIter = bb.begin(); instIter != bb.end(); ++instIter) {
+                            auto* inst = &*instIter;
+                            const bool needsFixup =
+                                (model == spv::ExecutionModel::Geometry && inst->opcode() == spv::Op::OpEmitVertex) ||
+                                (model != spv::ExecutionModel::Geometry && inst->opcode() == spv::Op::OpReturn);
+                            if (!needsFixup) continue;
+
+                            modified |= InsertPositionFixup(context(), inst, target, halfConstId, doYFlip, doZRemap);
+                        }
+                    }
+                }
+
+                if (!modified) return Status::SuccessWithoutChange;
+                context()->InvalidateAnalysesExceptFor(spvtools::opt::IRContext::kAnalysisDefUse |
+                                                       spvtools::opt::IRContext::kAnalysisInstrToBlockMapping);
+                return Status::SuccessWithChange;
+            }
+
+        private:
+            ShaderTransformFlags m_transformFlags;
+        };
+
+        spvtools::Optimizer::PassToken CreateGlToVulkanPositionFixPass(ShaderTransformFlags transformFlags) {
+            return spvtools::Optimizer::PassToken(MakeUnique<GlToVulkanPositionFixPass>(transformFlags));
+        }
+
+        bool TransformSpirvForVulkanPositionFix(const Vector<Uint32>& input, Vector<Uint32>& output,
+                                                ShaderTransformFlags transformFlags) {
+            if (input.empty()) {
+                output.clear();
+                return true;
+            }
+
+            if (!transformFlags) {
+                output = input;
+                return true;
+            }
+
+            spvtools::Optimizer optimizer(SPV_ENV_VULKAN_1_3);
+            spvtools::OptimizerOptions options;
+            options.set_run_validator(false);
+            optimizer.RegisterPass(CreateGlToVulkanPositionFixPass(transformFlags));
+
+            const bool success = optimizer.Run(input.data(), input.size(), &output, options);
+            if (!success) {
+                MGLOG_E("Vulkan: failed to run GL->Vulkan position fix pass");
+                output = input;
+            }
+            return success;
+        }
+
+        ShaderStage PickClipFixupStage(const Vector<SharedPtr<ShaderObject>>& shaders) {
+            bool hasGeometry = false;
+            bool hasTessEval = false;
+            bool hasVertex = false;
+
+            for (const auto& shader : shaders) {
+                if (!shader) continue;
+                const auto stage = shader->GetShaderStage();
+                hasGeometry |= (stage == ShaderStage::Geometry);
+                hasTessEval |= (stage == ShaderStage::TessEval);
+                hasVertex |= (stage == ShaderStage::Vertex);
+            }
+
+            if (hasGeometry) return ShaderStage::Geometry;
+            if (hasTessEval) return ShaderStage::TessEval;
+            if (hasVertex) return ShaderStage::Vertex;
+            return ShaderStage::Unknown;
+        }
+    } // namespace
+
+    ProgramManager::~ProgramManager() {
+        for (auto& [_, stages] : m_cache) {
+            DestroyStages(stages);
+        }
+        m_cache.clear();
+    }
+
+    ProgramManager::HashType ProgramManager::ComputeSourceSpvHash(MG_State::GLState::ProgramObject* program) const {
+        if (!program) return 0;
+        XXH64_state_t* state = XXH64_createState();
+        XXH64_reset(state, 0xC0FFEEu);
+        auto& spirvs = program->GetGeneratedSpirv();
+        for (const auto& spv : spirvs) {
+            if (spv.empty()) continue;
+            XXH64_update(state, spv.data(), spv.size() * sizeof(Uint));
+        }
+        HashType hash = XXH64_digest(state);
+        XXH64_freeState(state);
+        return hash;
+    }
+
+    ProgramManager::HashType ProgramManager::ComputeSpvHash(const Vector<Vector<Uint32>>& spirvs) const {
+        XXH64_state_t* state = XXH64_createState();
+        XXH64_reset(state, 0xC0FFEEu);
+        for (const auto& spv : spirvs) {
+            if (spv.empty()) continue;
+            XXH64_update(state, spv.data(), spv.size() * sizeof(Uint32));
+        }
+        HashType hash = XXH64_digest(state);
+        XXH64_freeState(state);
+        return hash;
+    }
+
+    void ProgramManager::BuildPipelineSpirvModules(MG_State::GLState::ProgramObject* program,
+                                                   Vector<Vector<Uint32>>& outSpirvs,
+                                                   ShaderTransformFlags transformFlags) const {
+        outSpirvs.clear();
+        if (!program) return;
+
+        auto& spirvs = program->GetGeneratedSpirv();
+        auto& shaders = program->GetAttachedShaders();
+        const ShaderStage fixupStage = PickClipFixupStage(shaders);
+
+        outSpirvs.reserve(spirvs.size());
+        for (SizeT i = 0; i < spirvs.size(); ++i) {
+            Vector<Uint32> module = spirvs[i];
+
+            ShaderStage stage = ShaderStage::Unknown;
+            if (i < shaders.size() && shaders[i]) stage = shaders[i]->GetShaderStage();
+
+            if (!module.empty() && fixupStage != ShaderStage::Unknown && stage == fixupStage) {
+                Vector<Uint32> transformed;
+                TransformSpirvForVulkanPositionFix(module, transformed, transformFlags);
+                module = Move(transformed);
+            }
+            outSpirvs.push_back(Move(module));
+        }
+    }
+
+    ProgramManager::HashType ProgramManager::ComputeSpvHash(MG_State::GLState::ProgramObject* program,
+                                                            ShaderTransformFlags transformFlags) const {
+        Vector<Vector<Uint32>> spirvs;
+        BuildPipelineSpirvModules(program, spirvs, transformFlags);
+        return ComputeSpvHash(spirvs);
+    }
+
+    ProgramManager::HashType ProgramManager::ComputeProgramHash(MG_State::GLState::ProgramObject* program,
+                                                                ShaderTransformFlags transformFlags) const {
+        if (!program) return 0;
+        const HashType sourceHash = ComputeSourceSpvHash(program);
+        auto it = m_cache.find(program);
+        if (it != m_cache.end() && it->second.sourceHash == sourceHash) return it->second.hash;
+        return ComputeSpvHash(program, transformFlags);
+    }
+
+    VkShaderStageFlagBits ProgramManager::ToVkStage(ShaderStage stage) const {
+        switch (stage) {
+        case ShaderStage::Vertex:
+            return VK_SHADER_STAGE_VERTEX_BIT;
+        case ShaderStage::Fragment:
+            return VK_SHADER_STAGE_FRAGMENT_BIT;
+        case ShaderStage::Geometry:
+            return VK_SHADER_STAGE_GEOMETRY_BIT;
+        case ShaderStage::TessControl:
+            return VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT;
+        case ShaderStage::TessEval:
+            return VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT;
+        case ShaderStage::Compute:
+            return VK_SHADER_STAGE_COMPUTE_BIT;
+        default:
+            return VK_SHADER_STAGE_ALL_GRAPHICS;
+        }
+    }
+
+    void ProgramManager::DestroyStages(ProgramStages& stages) {
+        for (auto module : stages.modules) {
+            if (module != VK_NULL_HANDLE) {
+                vkDestroyShaderModule(m_ctx.GetDevice(), module, nullptr);
+            }
+        }
+        stages.modules.clear();
+        stages.stages.clear();
+        stages.sourceHash = 0;
+        stages.hash = 0;
+    }
+
+    Vector<VkPipelineShaderStageCreateInfo>& ProgramManager::CreatePipelineShaderStages(
+        MG_State::GLState::ProgramObject* program, ShaderTransformFlags transformFlags) {
+        auto& entry = m_cache[program];
+        HashType sourceHash = ComputeSourceSpvHash(program);
+        if (!entry.stages.empty() && entry.sourceHash == sourceHash) return entry.stages;
+
+        DestroyStages(entry);
+        entry.sourceHash = sourceHash;
+
+        if (!program) return entry.stages;
+
+        Vector<Vector<Uint32>> spirvs;
+        BuildPipelineSpirvModules(program, spirvs, transformFlags);
+        entry.hash = ComputeSpvHash(spirvs);
+        auto& shaders = program->GetAttachedShaders();
+
+        for (SizeT i = 0; i < spirvs.size(); ++i) {
+            auto& spv = spirvs[i];
+            if (spv.empty()) continue;
+
+            VkShaderModuleCreateInfo smci{VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO};
+            smci.codeSize = spv.size() * sizeof(Uint);
+            smci.pCode = spv.data();
+
+            VkShaderModule module = VK_NULL_HANDLE;
+            VK_VERIFY(vkCreateShaderModule(m_ctx.GetDevice(), &smci, nullptr, &module), "vkCreateShaderModule");
+
+            VkPipelineShaderStageCreateInfo stage{VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO};
+            ShaderStage shaderStage = ShaderStage::Unknown;
+            if (i < shaders.size() && shaders[i]) shaderStage = shaders[i]->GetShaderStage();
+            stage.stage = ToVkStage(shaderStage);
+            stage.module = module;
+            stage.pName = "main";
+
+            entry.modules.push_back(module);
+            entry.stages.push_back(stage);
+        }
+
+        return entry.stages;
+    }
+} // namespace MobileGL::MG_Backend::DirectVulkanTMP::VkManager

MobileGL/MG_Backend/DirectVulkanTMP/Managers/ProgramManager.h

@@ -0,0 +1,58 @@
+// MobileGL - MobileGL/MG_Backend/DirectVulkanTMP/Managers/ProgramManager.h
+// Copyright (c) 2025-2026 MobileGL-Dev
+// Licensed under the GNU Lesser General Public License v3.0:
+//   https://www.gnu.org/licenses/gpl-3.0.txt
+//   https://www.gnu.org/licenses/lgpl-3.0.txt
+// SPDX-License-Identifier: LGPL-3.0-only
+// End of Source File Header
+
+#pragma once
+#include <Includes.h>
+#include "../Renderer/VulkanContext.h"
+#include "../Renderer/VkCommon.h"
+#include "MG_State/GLState/ProgramState/ProgramObject.h"
+
+namespace MobileGL::MG_Backend::DirectVulkanTMP::VkManager {
+    enum class ShaderTransformBit : Uint {
+        None = 0,
+        PositionYFlip = 1 << 0,
+        PositionZRemap = 1 << 1,
+    };
+    using ShaderTransformFlags = Flags<ShaderTransformBit>;
+
+    class ProgramManager {
+    public:
+        using HashType = Uint64;
+
+        explicit ProgramManager(VulkanContext& ctx) : m_ctx(ctx) {}
+        ~ProgramManager();
+
+        ProgramManager(const ProgramManager&) = delete;
+        ProgramManager& operator=(const ProgramManager&) = delete;
+
+        Vector<VkPipelineShaderStageCreateInfo>& CreatePipelineShaderStages(
+            MG_State::GLState::ProgramObject* program,
+            ShaderTransformFlags transformFlags = ShaderTransformBit::PositionZRemap);
+        HashType ComputeProgramHash(MG_State::GLState::ProgramObject* program,
+                                    ShaderTransformFlags transformFlags = ShaderTransformBit::PositionZRemap) const;
+
+    private:
+        struct ProgramStages {
+            HashType sourceHash = 0;
+            HashType hash = 0;
+            Vector<VkPipelineShaderStageCreateInfo> stages;
+            Vector<VkShaderModule> modules;
+        };
+
+        void DestroyStages(ProgramStages& stages);
+        HashType ComputeSourceSpvHash(MG_State::GLState::ProgramObject* program) const;
+        HashType ComputeSpvHash(MG_State::GLState::ProgramObject* program, ShaderTransformFlags transformFlags) const;
+        HashType ComputeSpvHash(const Vector<Vector<Uint32>>& spirvs) const;
+        void BuildPipelineSpirvModules(MG_State::GLState::ProgramObject* program, Vector<Vector<Uint32>>& outSpirvs,
+                                       ShaderTransformFlags transformFlags) const;
+        VkShaderStageFlagBits ToVkStage(ShaderStage stage) const;
+
+        VulkanContext& m_ctx;
+        UnorderedMap<const MG_State::GLState::ProgramObject*, ProgramStages> m_cache;
+    };
+} // namespace MobileGL::MG_Backend::DirectVulkanTMP::VkManager

MobileGL/MG_Backend/DirectVulkanTMP/Renderer/FrameContext.cpp

@@ -0,0 +1,49 @@
+// MobileGL - MobileGL/MG_Backend/DirectVulkanTMP/Renderer/FrameContext.cpp
+// Copyright (c) 2025-2026 MobileGL-Dev
+// Licensed under the GNU Lesser General Public License v3.0:
+//   https://www.gnu.org/licenses/gpl-3.0.txt
+//   https://www.gnu.org/licenses/lgpl-3.0.txt
+// SPDX-License-Identifier: LGPL-3.0-only
+// End of Source File Header
+
+#include "FrameContext.h"
+
+namespace MobileGL::MG_Backend::DirectVulkanTMP::VkManager {
+    void FrameContext::Initialize(VulkanContext& ctx, VkCommandPool pool) {
+        CommandPool = pool;
+        VkCommandBufferAllocateInfo abci{VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO};
+        abci.commandPool = pool;
+        abci.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
+        abci.commandBufferCount = 1;
+        VK_VERIFY(vkAllocateCommandBuffers(ctx.GetDevice(), &abci, &CommandBuffer), "vkAllocateCommandBuffers");
+
+        VkSemaphoreCreateInfo sci{VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO};
+        VK_VERIFY(vkCreateSemaphore(ctx.GetDevice(), &sci, nullptr, &ImageAvailable), "vkCreateSemaphore");
+        VK_VERIFY(vkCreateSemaphore(ctx.GetDevice(), &sci, nullptr, &RenderFinished), "vkCreateSemaphore");
+
+        VkFenceCreateInfo fci{VK_STRUCTURE_TYPE_FENCE_CREATE_INFO};
+        fci.flags = VK_FENCE_CREATE_SIGNALED_BIT;
+        VK_VERIFY(vkCreateFence(ctx.GetDevice(), &fci, nullptr, &InFlightFence), "vkCreateFence");
+    }
+
+    void FrameContext::Cleanup(VulkanContext& ctx) {
+        auto device = ctx.GetDevice();
+        if (InFlightFence != VK_NULL_HANDLE) {
+            vkDestroyFence(device, InFlightFence, nullptr);
+            InFlightFence = VK_NULL_HANDLE;
+        }
+        if (ImageAvailable != VK_NULL_HANDLE) {
+            vkDestroySemaphore(device, ImageAvailable, nullptr);
+            ImageAvailable = VK_NULL_HANDLE;
+        }
+        if (RenderFinished != VK_NULL_HANDLE) {
+            vkDestroySemaphore(device, RenderFinished, nullptr);
+            RenderFinished = VK_NULL_HANDLE;
+        }
+        if (CommandBuffer != VK_NULL_HANDLE) {
+            vkFreeCommandBuffers(device, CommandPool, 1, &CommandBuffer);
+            CommandBuffer = VK_NULL_HANDLE;
+        }
+        CommandPool = VK_NULL_HANDLE;
+    }
+} // namespace MobileGL::MG_Backend::DirectVulkanTMP::VkManager

MobileGL/MG_Backend/DirectVulkanTMP/Renderer/FrameContext.h

@@ -0,0 +1,42 @@
+// MobileGL - MobileGL/MG_Backend/DirectVulkanTMP/Renderer/FrameContext.h
+// Copyright (c) 2025-2026 MobileGL-Dev
+// Licensed under the GNU Lesser General Public License v3.0:
+//   https://www.gnu.org/licenses/gpl-3.0.txt
+//   https://www.gnu.org/licenses/lgpl-3.0.txt
+// SPDX-License-Identifier: LGPL-3.0-only
+// End of Source File Header
+
+#pragma once
+#include <Includes.h>
+#include "VulkanContext.h"
+#include "VkCommon.h"
+
+namespace MobileGL::MG_Backend::DirectVulkanTMP {
+    struct TrashBuffer {
+        VkBuffer buffer = VK_NULL_HANDLE;
+        VkDeviceMemory memory = VK_NULL_HANDLE;
+        Bool mapped = false;
+    };
+    struct TrashImage {
+        VkImage image = VK_NULL_HANDLE;
+        VkDeviceMemory memory = VK_NULL_HANDLE;
+        VkImageView view = VK_NULL_HANDLE;
+        Vector<VkImageView> mipViews;
+    };
+    namespace VkManager {
+        struct FrameContext {
+            VkCommandBuffer CommandBuffer = VK_NULL_HANDLE;
+            VkSemaphore ImageAvailable = VK_NULL_HANDLE;
+            VkSemaphore RenderFinished = VK_NULL_HANDLE;
+            VkFence InFlightFence = VK_NULL_HANDLE;
+            Uint32 CurrentImageIndex = 0;
+            VkCommandPool CommandPool = VK_NULL_HANDLE;
+            Vector<TrashBuffer> TrashBuffers;
+            Vector<TrashImage> TrashImages;
+            // VkCommandPool CommandPool = VK_NULL_HANDLE;
+
+            void Initialize(VulkanContext& ctx, VkCommandPool pool);
+            void Cleanup(VulkanContext& ctx);
+        };
+    } // namespace VkManager
+} // namespace MobileGL::MG_Backend::DirectVulkanTMP

MobileGL/MG_Backend/DirectVulkanTMP/Renderer/PipelineManager.cpp

@@ -1,4 +1,4 @@
-// MobileGL - MobileGL/MG_Backend/DirectVulkan/VmaImpl.cpp
+// MobileGL - MobileGL/MG_Backend/DirectVulkanTMP/Renderer/PipelineManager.cpp
 // Copyright (c) 2025-2026 MobileGL-Dev
 // Licensed under the GNU Lesser General Public License v3.0:
 //   https://www.gnu.org/licenses/gpl-3.0.txt
@@ -6,5 +6,6 @@
 // SPDX-License-Identifier: LGPL-3.0-only
 // End of Source File Header
 
-#define VMA_IMPLEMENTATION
-#include <vk_mem_alloc.h>
+#include <Includes.h>
+
+namespace MobileGL::MG_Backend::DirectVulkanTMP::VkManager {}

MobileGL/MG_Backend/DirectVulkanTMP/Renderer/SwapchainManager.cpp

@@ -0,0 +1,166 @@
+// MobileGL - MobileGL/MG_Backend/DirectVulkanTMP/Renderer/SwapchainManager.cpp
+// Copyright (c) 2025-2026 MobileGL-Dev
+// Licensed under the GNU Lesser General Public License v3.0:
+//   https://www.gnu.org/licenses/gpl-3.0.txt
+//   https://www.gnu.org/licenses/lgpl-3.0.txt
+// SPDX-License-Identifier: LGPL-3.0-only
+// End of Source File Header
+
+#include "SwapchainManager.h"
+
+namespace MobileGL::MG_Backend::DirectVulkanTMP::VkManager {
+    namespace {
+        VkSurfaceFormatKHR ChooseSurfaceFormat(const Vector<VkSurfaceFormatKHR>& formats) {
+            for (const auto& f : formats) {
+                if ((f.format == VK_FORMAT_R8G8B8A8_UNORM || f.format == VK_FORMAT_B8G8R8A8_UNORM) &&
+                    f.colorSpace == VK_COLOR_SPACE_SRGB_NONLINEAR_KHR) {
+                    return f;
+                }
+            }
+            return formats.empty() ? VkSurfaceFormatKHR{VK_FORMAT_B8G8R8A8_UNORM, VK_COLOR_SPACE_SRGB_NONLINEAR_KHR}
+                                   : formats[0];
+        }
+
+        VkPresentModeKHR ChoosePresentMode(const Vector<VkPresentModeKHR>& modes) {
+            for (const auto& m : modes) {
+                if (m == VK_PRESENT_MODE_MAILBOX_KHR) return m;
+            }
+            return VK_PRESENT_MODE_FIFO_KHR;
+        }
+
+        VkExtent2D ChooseExtent(const VkSurfaceCapabilitiesKHR& caps, ANativeWindow* window) {
+            if (caps.currentExtent.width != UINT32_MAX) return caps.currentExtent;
+            // try to get frontend viewport size
+            VkExtent2D extent{640, 480};
+#ifdef VK_USE_PLATFORM_ANDROID_KHR
+            if (window) {
+                extent.width = static_cast<Uint32>(ANativeWindow_getWidth(window));
+                extent.height = static_cast<Uint32>(ANativeWindow_getHeight(window));
+            }
+#else
+            (void)window;
+#endif
+            extent.width = std::max(caps.minImageExtent.width, std::min(caps.maxImageExtent.width, extent.width));
+            extent.height = std::max(caps.minImageExtent.height, std::min(caps.maxImageExtent.height, extent.height));
+            return extent;
+        }
+    } // namespace
+
+    SwapchainManager::~SwapchainManager() {
+        DestroySwapchain();
+    }
+
+    void SwapchainManager::Initialize() {
+        CreateSwapchain(VK_NULL_HANDLE);
+    }
+
+    void SwapchainManager::Recreate() {
+        DestroySwapchain();
+        CreateSwapchain(VK_NULL_HANDLE);
+    }
+
+    void SwapchainManager::SetFramebuffers(Vector<VkFramebuffer>&& framebuffers) {
+        m_framebuffers = Move(framebuffers);
+    }
+
+    void SwapchainManager::DestroySwapchain() {
+        auto device = m_ctx.GetDevice();
+        if (device == VK_NULL_HANDLE) return;
+        for (auto fb : m_framebuffers) {
+            if (fb != VK_NULL_HANDLE) vkDestroyFramebuffer(device, fb, nullptr);
+        }
+        m_framebuffers.clear();
+
+        for (auto view : m_imageViews) {
+            if (view != VK_NULL_HANDLE) vkDestroyImageView(device, view, nullptr);
+        }
+        m_imageViews.clear();
+        m_images.clear();
+        m_imagesInFlight.clear();
+
+        if (m_swapchain != VK_NULL_HANDLE) {
+            vkDestroySwapchainKHR(device, m_swapchain, nullptr);
+            m_swapchain = VK_NULL_HANDLE;
+        }
+        m_format = VK_FORMAT_UNDEFINED;
+        m_extent = {0, 0};
+    }
+
+    void SwapchainManager::CreateSwapchain(VkSwapchainKHR oldSwapchain) {
+        VkSurfaceCapabilitiesKHR caps{};
+        VK_VERIFY(vkGetPhysicalDeviceSurfaceCapabilitiesKHR(m_ctx.GetPhysicalDevice(), m_ctx.GetSurface(), &caps),
+                  "vkGetPhysicalDeviceSurfaceCapabilitiesKHR");
+
+        Uint32 fmtCount = 0;
+        vkGetPhysicalDeviceSurfaceFormatsKHR(m_ctx.GetPhysicalDevice(), m_ctx.GetSurface(), &fmtCount, nullptr);
+        Vector<VkSurfaceFormatKHR> formats(fmtCount);
+        if (fmtCount > 0) {
+            vkGetPhysicalDeviceSurfaceFormatsKHR(m_ctx.GetPhysicalDevice(), m_ctx.GetSurface(), &fmtCount,
+                                                 formats.data());
+        }
+
+        Uint32 modeCount = 0;
+        vkGetPhysicalDeviceSurfacePresentModesKHR(m_ctx.GetPhysicalDevice(), m_ctx.GetSurface(), &modeCount, nullptr);
+        Vector<VkPresentModeKHR> modes(modeCount);
+        if (modeCount > 0) {
+            vkGetPhysicalDeviceSurfacePresentModesKHR(m_ctx.GetPhysicalDevice(), m_ctx.GetSurface(), &modeCount,
+                                                      modes.data());
+        }
+
+        VkSurfaceFormatKHR surfaceFormat = ChooseSurfaceFormat(formats);
+        VkPresentModeKHR presentMode = ChoosePresentMode(modes);
+        VkExtent2D extent;
+        if (m_viewportSize.x() == 0 || m_viewportSize.y() == 0) {
+            extent = ChooseExtent(caps, m_ctx.GetWindow());
+        } else {
+            extent = {m_viewportSize.x(), m_viewportSize.y()};
+        }
+
+        Uint32 imageCount = caps.minImageCount + 1;
+        if (caps.maxImageCount > 0 && imageCount > caps.maxImageCount) imageCount = caps.maxImageCount;
+
+        VkSwapchainCreateInfoKHR sci{VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR};
+        sci.surface = m_ctx.GetSurface();
+        sci.minImageCount = imageCount;
+        sci.imageFormat = surfaceFormat.format;
+        sci.imageColorSpace = surfaceFormat.colorSpace;
+        sci.imageExtent = extent;
+        sci.imageArrayLayers = 1;
+        sci.imageUsage =
+            VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
+        sci.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
+        sci.preTransform = caps.currentTransform;
+        sci.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
+        sci.presentMode = presentMode;
+        sci.clipped = VK_TRUE;
+        sci.oldSwapchain = oldSwapchain;
+
+        VK_VERIFY(vkCreateSwapchainKHR(m_ctx.GetDevice(), &sci, nullptr, &m_swapchain), "vkCreateSwapchainKHR");
+
+        Uint32 actualCount = 0;
+        vkGetSwapchainImagesKHR(m_ctx.GetDevice(), m_swapchain, &actualCount, nullptr);
+        m_images.resize(actualCount);
+        vkGetSwapchainImagesKHR(m_ctx.GetDevice(), m_swapchain, &actualCount, m_images.data());
+
+        m_imageViews.clear();
+        m_imageViews.reserve(actualCount);
+        for (auto image : m_images) {
+            VkImageViewCreateInfo ivci{VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO};
+            ivci.image = image;
+            ivci.viewType = VK_IMAGE_VIEW_TYPE_2D;
+            ivci.format = surfaceFormat.format;
+            ivci.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
+            ivci.subresourceRange.baseMipLevel = 0;
+            ivci.subresourceRange.levelCount = 1;
+            ivci.subresourceRange.baseArrayLayer = 0;
+            ivci.subresourceRange.layerCount = 1;
+            VkImageView view = VK_NULL_HANDLE;
+            VK_VERIFY(vkCreateImageView(m_ctx.GetDevice(), &ivci, nullptr, &view), "vkCreateImageView swapchain");
+            m_imageViews.push_back(view);
+        }
+
+        m_imagesInFlight.assign(actualCount, VK_NULL_HANDLE);
+        m_format = surfaceFormat.format;
+        m_extent = extent;
+    }
+} // namespace MobileGL::MG_Backend::DirectVulkanTMP::VkManager

MobileGL/MG_Backend/DirectVulkanTMP/Renderer/SwapchainManager.h

@@ -0,0 +1,52 @@
+// MobileGL - MobileGL/MG_Backend/DirectVulkanTMP/Renderer/SwapchainManager.h
+// Copyright (c) 2025-2026 MobileGL-Dev
+// Licensed under the GNU Lesser General Public License v3.0:
+//   https://www.gnu.org/licenses/gpl-3.0.txt
+//   https://www.gnu.org/licenses/lgpl-3.0.txt
+// SPDX-License-Identifier: LGPL-3.0-only
+// End of Source File Header
+
+#pragma once
+#include <Includes.h>
+#include "MG_Util/Math/VectorTypes.h"
+#include "VulkanContext.h"
+#include "VkCommon.h"
+
+namespace MobileGL::MG_Backend::DirectVulkanTMP::VkManager {
+    class SwapchainManager {
+    public:
+        explicit SwapchainManager(VulkanContext& ctx) : m_ctx(ctx) {}
+        ~SwapchainManager();
+
+        SwapchainManager(const SwapchainManager&) = delete;
+        SwapchainManager& operator=(const SwapchainManager&) = delete;
+
+        void Initialize();
+        void Recreate();
+        void SetViewportSize(const UintVec2& size) { m_viewportSize = size; }
+
+        VkSwapchainKHR GetSwapchain() const { return m_swapchain; }
+        VkFormat GetFormat() const { return m_format; }
+        VkExtent2D GetExtent() const { return m_extent; }
+        const Vector<VkImage>& GetImages() const { return m_images; }
+        const Vector<VkImageView>& GetImageViews() const { return m_imageViews; }
+        const Vector<VkFramebuffer>& GetFramebuffers() const { return m_framebuffers; }
+        void SetFramebuffers(Vector<VkFramebuffer>&& framebuffers);
+        Vector<VkFence>& GetImagesInFlight() { return m_imagesInFlight; }
+        const UintVec2& GetViewportSize() const { return m_viewportSize; }
+
+    private:
+        void CreateSwapchain(VkSwapchainKHR oldSwapchain);
+        void DestroySwapchain();
+
+        VulkanContext& m_ctx;
+        VkSwapchainKHR m_swapchain = VK_NULL_HANDLE;
+        VkFormat m_format = VK_FORMAT_UNDEFINED;
+        VkExtent2D m_extent{0, 0};
+        Vector<VkImage> m_images;
+        Vector<VkImageView> m_imageViews;
+        Vector<VkFramebuffer> m_framebuffers;
+        Vector<VkFence> m_imagesInFlight;
+        UintVec2 m_viewportSize{0, 0};
+    };
+} // namespace MobileGL::MG_Backend::DirectVulkanTMP::VkManager

MobileGL/MG_Backend/DirectVulkanTMP/Renderer/VkCommon.h

@@ -0,0 +1,22 @@
+// MobileGL - MobileGL/MG_Backend/DirectVulkanTMP/Renderer/VkCommon.h
+// Copyright (c) 2025-2026 MobileGL-Dev
+// Licensed under the GNU Lesser General Public License v3.0:
+//   https://www.gnu.org/licenses/gpl-3.0.txt
+//   https://www.gnu.org/licenses/lgpl-3.0.txt
+// SPDX-License-Identifier: LGPL-3.0-only
+// End of Source File Header
+
+#pragma once
+#include <Includes.h>
+
+namespace MobileGL::MG_Backend::DirectVulkanTMP::VkManager {
+    inline void VkCheck(VkResult result, const char* msg) {
+        if (result == VK_SUCCESS || result == VK_SUBOPTIMAL_KHR) return;
+        MGLOG_E("Vulkan error %d at %s", static_cast<Int>(result), msg ? msg : "(unknown)");
+        throw RuntimeError(msg ? msg : "Vulkan error");
+    }
+} // namespace MobileGL::MG_Backend::DirectVulkanTMP::VkManager
+
+#ifndef VK_VERIFY
+#define VK_VERIFY(res, msg) ::MobileGL::MG_Backend::DirectVulkanTMP::VkManager::VkCheck((res), (msg))
+#endif

MobileGL/MG_Backend/DirectVulkanTMP/Renderer/VulkanContext.cpp

@@ -0,0 +1,191 @@
+// MobileGL - MobileGL/MG_Backend/DirectVulkanTMP/Renderer/VulkanContext.cpp
+// Copyright (c) 2025-2026 MobileGL-Dev
+// Licensed under the GNU Lesser General Public License v3.0:
+//   https://www.gnu.org/licenses/gpl-3.0.txt
+//   https://www.gnu.org/licenses/lgpl-3.0.txt
+// SPDX-License-Identifier: LGPL-3.0-only
+// End of Source File Header
+
+#include "VulkanContext.h"
+
+namespace MobileGL::MG_Backend::DirectVulkanTMP::VkManager {
+    namespace {
+        Bool CheckDeviceExtensionSupport(VkPhysicalDevice device, const Vector<const char*>& required) {
+            Uint32 count = 0;
+            vkEnumerateDeviceExtensionProperties(device, nullptr, &count, nullptr);
+            Vector<VkExtensionProperties> props(count);
+            if (count > 0) vkEnumerateDeviceExtensionProperties(device, nullptr, &count, props.data());
+
+            for (auto* ext : required) {
+                Bool found = false;
+                for (const auto& p : props) {
+                    if (std::strcmp(p.extensionName, ext) == 0) {
+                        found = true;
+                        break;
+                    }
+                }
+                if (!found) return false;
+            }
+            return true;
+        }
+
+        Bool FindGraphicsQueueFamily(VkPhysicalDevice device, VkSurfaceKHR surface, Uint32& outFamily) {
+            Uint32 count = 0;
+            vkGetPhysicalDeviceQueueFamilyProperties(device, &count, nullptr);
+            if (count == 0) return false;
+            Vector<VkQueueFamilyProperties> props(count);
+            vkGetPhysicalDeviceQueueFamilyProperties(device, &count, props.data());
+
+            for (Uint32 i = 0; i < count; ++i) {
+                if (!(props[i].queueFlags & VK_QUEUE_GRAPHICS_BIT)) continue;
+                if (surface != VK_NULL_HANDLE) {
+                    VkBool32 presentSupport = VK_FALSE;
+                    vkGetPhysicalDeviceSurfaceSupportKHR(device, i, surface, &presentSupport);
+                    if (!presentSupport) continue;
+                }
+                outFamily = i;
+                return true;
+            }
+            return false;
+        }
+
+        Bool SupportsDynamicRendering(VkPhysicalDevice device) {
+            VkPhysicalDeviceVulkan13Features vk13{VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VULKAN_1_3_FEATURES};
+            VkPhysicalDeviceFeatures2 features2{VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2};
+            features2.pNext = &vk13;
+            vkGetPhysicalDeviceFeatures2(device, &features2);
+            return vk13.dynamicRendering == VK_TRUE;
+        }
+
+        Bool SupportsTimelineSemaphore(VkPhysicalDevice device) {
+            VkPhysicalDeviceVulkan12Features vk12{VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VULKAN_1_2_FEATURES};
+            VkPhysicalDeviceFeatures2 features2{VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2};
+            features2.pNext = &vk12;
+            vkGetPhysicalDeviceFeatures2(device, &features2);
+            return vk12.timelineSemaphore == VK_TRUE;
+        }
+    } // namespace
+
+    VulkanContext::~VulkanContext() {
+        Cleanup();
+    }
+
+    void VulkanContext::Initialize(ANativeWindow* window, const char* appName) {
+        if (m_instance != VK_NULL_HANDLE) return;
+        m_window = window;
+        CreateInstance(appName ? appName : "MobileGL-Vulkan");
+        CreateSurface(window);
+        PickPhysicalDevice();
+        CreateDevice();
+    }
+
+    void VulkanContext::Cleanup() {
+        if (m_device != VK_NULL_HANDLE) {
+            vkDeviceWaitIdle(m_device);
+            vkDestroyDevice(m_device, nullptr);
+            m_device = VK_NULL_HANDLE;
+        }
+        if (m_surface != VK_NULL_HANDLE) {
+            vkDestroySurfaceKHR(m_instance, m_surface, nullptr);
+            m_surface = VK_NULL_HANDLE;
+        }
+        if (m_instance != VK_NULL_HANDLE) {
+            vkDestroyInstance(m_instance, nullptr);
+            m_instance = VK_NULL_HANDLE;
+        }
+        m_physicalDevice = VK_NULL_HANDLE;
+        m_graphicsQueue = VK_NULL_HANDLE;
+        m_graphicsQueueFamily = ~0u;
+        m_window = nullptr;
+    }
+
+    void VulkanContext::CreateInstance(const char* appName) {
+        VkApplicationInfo app{VK_STRUCTURE_TYPE_APPLICATION_INFO};
+        app.pApplicationName = appName;
+        app.applicationVersion = VK_MAKE_VERSION(1, 3, 0);
+        app.pEngineName = "MobileGL";
+        app.engineVersion = VK_MAKE_VERSION(1, 3, 0);
+        app.apiVersion = VK_API_VERSION_1_3;
+
+        Vector<const char*> extensions;
+        extensions.push_back(VK_KHR_SURFACE_EXTENSION_NAME);
+#ifdef VK_USE_PLATFORM_ANDROID_KHR
+        extensions.push_back(VK_KHR_ANDROID_SURFACE_EXTENSION_NAME);
+#endif
+
+        VkInstanceCreateInfo ici{VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO};
+        ici.pApplicationInfo = &app;
+        ici.enabledExtensionCount = static_cast<Uint32>(extensions.size());
+        ici.ppEnabledExtensionNames = extensions.data();
+
+        VK_VERIFY(vkCreateInstance(&ici, nullptr, &m_instance), "vkCreateInstance");
+    }
+
+    void VulkanContext::CreateSurface(ANativeWindow* window) {
+        if (!window) return;
+#ifdef VK_USE_PLATFORM_ANDROID_KHR
+        VkAndroidSurfaceCreateInfoKHR sci{VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR};
+        sci.window = window;
+        VK_VERIFY(vkCreateAndroidSurfaceKHR(m_instance, &sci, nullptr, &m_surface), "vkCreateAndroidSurfaceKHR");
+#else
+        (void)window;
+#endif
+    }
+
+    void VulkanContext::PickPhysicalDevice() {
+        Uint32 count = 0;
+        VK_VERIFY(vkEnumeratePhysicalDevices(m_instance, &count, nullptr), "vkEnumeratePhysicalDevices");
+        if (count == 0) throw RuntimeError("No Vulkan physical devices found");
+
+        Vector<VkPhysicalDevice> devices(count);
+        VK_VERIFY(vkEnumeratePhysicalDevices(m_instance, &count, devices.data()), "vkEnumeratePhysicalDevices list");
+
+        Vector<const char*> requiredExts = {VK_KHR_SWAPCHAIN_EXTENSION_NAME};
+
+        for (auto device : devices) {
+            Uint32 family = ~0u;
+            if (!FindGraphicsQueueFamily(device, m_surface, family)) continue;
+            if (!CheckDeviceExtensionSupport(device, requiredExts)) continue;
+            if (!SupportsDynamicRendering(device)) continue;
+
+            m_physicalDevice = device;
+            m_graphicsQueueFamily = family;
+            break;
+        }
+
+        if (m_physicalDevice == VK_NULL_HANDLE) {
+            throw RuntimeError("No suitable Vulkan physical device found");
+        }
+    }
+
+    void VulkanContext::CreateDevice() {
+        float priority = 1.0f;
+        VkDeviceQueueCreateInfo qci{VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO};
+        qci.queueFamilyIndex = m_graphicsQueueFamily;
+        qci.queueCount = 1;
+        qci.pQueuePriorities = &priority;
+
+        Vector<const char*> deviceExtensions = {VK_KHR_SWAPCHAIN_EXTENSION_NAME};
+
+        VkPhysicalDeviceFeatures features{};
+        VkPhysicalDeviceVulkan13Features vk13{VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VULKAN_1_3_FEATURES};
+        vk13.dynamicRendering = VK_TRUE;
+        VkPhysicalDeviceVulkan12Features vk12{VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VULKAN_1_2_FEATURES};
+        vk12.timelineSemaphore = SupportsTimelineSemaphore(m_physicalDevice) ? VK_TRUE : VK_FALSE;
+        VkPhysicalDeviceFeatures2 features2{VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2};
+        features2.features = features;
+        vk13.pNext = &vk12;
+        features2.pNext = &vk13;
+
+        VkDeviceCreateInfo dci{VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO};
+        dci.pNext = &features2;
+        dci.queueCreateInfoCount = 1;
+        dci.pQueueCreateInfos = &qci;
+        dci.enabledExtensionCount = static_cast<Uint32>(deviceExtensions.size());
+        dci.ppEnabledExtensionNames = deviceExtensions.data();
+        dci.pEnabledFeatures = nullptr;
+
+        VK_VERIFY(vkCreateDevice(m_physicalDevice, &dci, nullptr, &m_device), "vkCreateDevice");
+        vkGetDeviceQueue(m_device, m_graphicsQueueFamily, 0, &m_graphicsQueue);
+    }
+} // namespace MobileGL::MG_Backend::DirectVulkanTMP::VkManager

MobileGL/MG_Backend/DirectVulkanTMP/Renderer/VulkanContext.h

@@ -0,0 +1,47 @@
+// MobileGL - MobileGL/MG_Backend/DirectVulkanTMP/Renderer/VulkanContext.h
+// Copyright (c) 2025-2026 MobileGL-Dev
+// Licensed under the GNU Lesser General Public License v3.0:
+//   https://www.gnu.org/licenses/gpl-3.0.txt
+//   https://www.gnu.org/licenses/lgpl-3.0.txt
+// SPDX-License-Identifier: LGPL-3.0-only
+// End of Source File Header
+
+#pragma once
+#include <Includes.h>
+#include "VkCommon.h"
+
+namespace MobileGL::MG_Backend::DirectVulkanTMP::VkManager {
+    class VulkanContext {
+    public:
+        VulkanContext() = default;
+        ~VulkanContext();
+
+        VulkanContext(const VulkanContext&) = delete;
+        VulkanContext& operator=(const VulkanContext&) = delete;
+
+        void Initialize(ANativeWindow* window, const char* appName);
+        void Cleanup();
+
+        VkInstance GetInstance() const { return m_instance; }
+        VkPhysicalDevice GetPhysicalDevice() const { return m_physicalDevice; }
+        VkDevice GetDevice() const { return m_device; }
+        VkQueue GetGraphicsQueue() const { return m_graphicsQueue; }
+        Uint32 GetGraphicsQueueFamily() const { return m_graphicsQueueFamily; }
+        VkSurfaceKHR GetSurface() const { return m_surface; }
+        ANativeWindow* GetWindow() const { return m_window; }
+
+    private:
+        void CreateInstance(const char* appName);
+        void CreateSurface(ANativeWindow* window);
+        void PickPhysicalDevice();
+        void CreateDevice();
+
+        VkInstance m_instance = VK_NULL_HANDLE;
+        VkPhysicalDevice m_physicalDevice = VK_NULL_HANDLE;
+        VkDevice m_device = VK_NULL_HANDLE;
+        VkQueue m_graphicsQueue = VK_NULL_HANDLE;
+        VkSurfaceKHR m_surface = VK_NULL_HANDLE;
+        Uint32 m_graphicsQueueFamily = ~0u;
+        ANativeWindow* m_window = nullptr;
+    };
+} // namespace MobileGL::MG_Backend::DirectVulkanTMP::VkManager

MobileGL/MG_Backend/DirectVulkanTMP/TmpImpl.h

@@ -0,0 +1,308 @@
+// MobileGL - MobileGL/MG_Backend/DirectVulkanTMP/TmpImpl.h
+// Copyright (c) 2025-2026 MobileGL-Dev
+// Licensed under the GNU Lesser General Public License v3.0:
+//   https://www.gnu.org/licenses/gpl-3.0.txt
+//   https://www.gnu.org/licenses/lgpl-3.0.txt
+// SPDX-License-Identifier: LGPL-3.0-only
+// End of Source File Header
+
+#pragma once
+#include <Includes.h>
+#include "Renderer/VkCommon.h"
+#include "Renderer/VulkanContext.h"
+#include "Renderer/SwapchainManager.h"
+#include "Renderer/FrameContext.h"
+#include "Managers/ProgramManager.h"
+#include <MG_State/GLState/Core.h>
+
+namespace MobileGL::MG_Backend::DirectVulkanTMP::TmpImpl {
+    namespace DV = MobileGL::MG_Backend::DirectVulkanTMP::VkManager;
+    using BufferObject = MobileGL::MG_State::GLState::BufferObject;
+    using ProgramObject = MobileGL::MG_State::GLState::ProgramObject;
+    using VertexArrayObject = MobileGL::MG_State::GLState::VertexArrayObject;
+    using FramebufferObject = MobileGL::MG_State::GLState::FramebufferObject;
+    using FramebufferAttachmentObject = MobileGL::MG_State::GLState::FramebufferAttachmentObject;
+    using ITextureObject = MobileGL::MG_State::GLState::ITextureObject;
+    using RenderbufferObject = MobileGL::MG_State::GLState::RenderbufferObject;
+    using SamplerObject = MobileGL::MG_State::GLState::SamplerObject;
+    using TextureObjectMipmap = MobileGL::MG_State::GLState::TextureObjectMipmap;
+    using TrashImage = MobileGL::MG_Backend::DirectVulkanTMP::TrashImage;
+
+    struct BufferResource {
+        VkBuffer buffer = VK_NULL_HANDLE;
+        VkDeviceMemory memory = VK_NULL_HANDLE;
+        VkDeviceSize size = 0;
+        VkDeviceSize offset = 0;
+        VkBufferUsageFlags usage = 0;
+        VkMemoryPropertyFlags props = 0;
+        void* mapped = nullptr;
+        Bool fromRing = false;
+        Uint32 lastUsedFrame = ~0u;
+    };
+
+    struct BufferResourceSet {
+        Vector<BufferResource> perFrame;
+    };
+
+    struct PendingBufferCopyBatch {
+        VkBuffer src = VK_NULL_HANDLE;
+        VkBuffer dst = VK_NULL_HANDLE;
+        Vector<VkBufferCopy> regions;
+    };
+
+    struct StagingRing {
+        BufferResource buffer;
+        VkDeviceSize capacity = 0;
+        VkDeviceSize head = 0;
+    };
+
+    struct TextureResource {
+        VkImage image = VK_NULL_HANDLE;
+        VkDeviceMemory memory = VK_NULL_HANDLE;
+        VkImageView view = VK_NULL_HANDLE;
+        UnorderedMap<Uint32, VkImageView> mipViews;
+        VkFormat format = VK_FORMAT_UNDEFINED;
+        VkExtent3D extent{0, 0, 1};
+        VkImageLayout layout = VK_IMAGE_LAYOUT_UNDEFINED;
+        Uint32 mipLevels = 1;
+        Uint16 paramsVersion = 0;
+        bool valid = false;
+    };
+
+    struct RenderbufferResource {
+        VkImage image = VK_NULL_HANDLE;
+        VkDeviceMemory memory = VK_NULL_HANDLE;
+        VkImageView view = VK_NULL_HANDLE;
+        VkFormat format = VK_FORMAT_UNDEFINED;
+        VkExtent2D extent{0, 0};
+        VkImageLayout layout = VK_IMAGE_LAYOUT_UNDEFINED;
+        bool valid = false;
+    };
+
+    struct SamplerResource {
+        VkSampler sampler = VK_NULL_HANDLE;
+        Uint16 version = 0;
+        SamplerParameters params{};
+    };
+
+    struct PendingClearInfo {
+        GLbitfield mask = 0;
+        FloatVec4 clearColor = {0.0f, 0.0f, 0.0f, 1.0f};
+        Float clearDepth = 1.0f;
+    };
+
+    struct UniformBindingInfo {
+        String name;
+        Uint32 binding = 0;
+        Uint32 set = 0;
+        Uint32 blockIndex = 0xFFFFFFFFu;
+        VkShaderStageFlags stages = 0;
+    };
+
+    struct SamplerBindingInfo {
+        String name;
+        Uint32 binding = 0;
+        Uint32 set = 0;
+        VkShaderStageFlags stages = 0;
+    };
+
+    struct ProgramResource {
+        ProgramObject* program = nullptr;
+        Uint64 spvHash = 0;
+        DV::ProgramManager::HashType programHash = 0;
+        Vector<VkPipelineShaderStageCreateInfo>* shaderStages = nullptr;
+
+        VkDescriptorSetLayout setLayout = VK_NULL_HANDLE;
+        VkPipelineLayout pipelineLayout = VK_NULL_HANDLE;
+
+        struct UboPool {
+            Vector<BufferResource> buffers;
+            Uint32 cursor = 0;
+        };
+        Vector<UboPool> uboPools;
+        SizeT uboSize = 0;
+        Int32 uboBinding = -1;
+        Uint32 uniformDescriptorCount = 0;
+        Uint32 samplerDescriptorCount = 0;
+
+        Vector<UniformBindingInfo> uniformBindings;
+        Vector<SamplerBindingInfo> samplerBindings;
+        UnorderedMap<String, Uint32> samplerBindingByName;
+
+        UnorderedMap<Uint64, VkPipeline> pipelines;
+    };
+
+    struct DescriptorPoolConfig {
+        Uint32 maxSets = 0;
+        Uint32 uniformCount = 0;
+        Uint32 samplerCount = 0;
+    };
+
+    struct FrameDescriptorPools {
+        Vector<VkDescriptorPool> pools;
+        DescriptorPoolConfig config;
+        Uint32 activePool = 0;
+    };
+
+    struct VertexAttribKey {
+        Uint8 enabled = 0;
+        Uint8 size = 0;
+        Uint8 type = 0;
+        Uint8 normalized = 0;
+        Uint8 isInteger = 0;
+        Uint8 divisor = 0;
+        Uint16 pad = 0;
+        Uint32 stride = 0;
+        Uint64 offset = 0;
+    };
+
+    struct AttachmentInfo {
+        FramebufferAttachmentType type = FramebufferAttachmentType::None;
+        VkImageView view = VK_NULL_HANDLE;
+        VkFormat format = VK_FORMAT_UNDEFINED;
+        VkImageAspectFlags aspect = 0;
+        VkImageLayout finalLayout = VK_IMAGE_LAYOUT_UNDEFINED;
+        ITextureObject* texture = nullptr;
+        RenderbufferObject* renderbuffer = nullptr;
+    };
+
+    struct BackendFramebufferObject {
+        VkExtent2D extent{0, 0};
+        Uint32 colorAttachmentCount = 0;
+        Bool hasDepth = false;
+        VkFormat depthFormat = VK_FORMAT_UNDEFINED;
+        VkFormat depthAttachmentFormat = VK_FORMAT_UNDEFINED;
+        VkFormat stencilAttachmentFormat = VK_FORMAT_UNDEFINED;
+        Uint64 renderingCompatHash = 0;
+
+        Vector<AttachmentInfo> attachments;
+        Vector<VkFormat> colorAttachmentFormats;
+        Array<Int32, static_cast<SizeT>(FramebufferAttachmentType::FramebufferAttachmentTypeCount)> attachmentIndex =
+            {};
+
+        FramebufferObject::FramebufferAttachmentVersionArray syncedAttachmentVersions = {0};
+        FramebufferObject::FramebufferAttachmentArray frontendDrawBuffers = {FramebufferAttachmentType::None};
+        Array<Int32, FramebufferObject::MAX_DRAW_BUFFERS> drawBufferAttachmentIndices = {};
+        FramebufferAttachmentType frontendReadBuffer = FramebufferAttachmentType::Color0;
+        Uint64 configHash = 0;
+        Uint16 objectVersion = 0;
+
+        Bool IsValid() const { return !attachments.empty() && extent.width > 0 && extent.height > 0; }
+    };
+
+    struct VulkanState {
+        UniquePtr<DV::VulkanContext> ctx;
+        UniquePtr<DV::SwapchainManager> swapchain;
+        UniquePtr<DV::ProgramManager> programMgr;
+        VkCommandPool commandPool = VK_NULL_HANDLE;
+        Vector<UniquePtr<DV::FrameContext>> frames;
+        Vector<FrameDescriptorPools> frameDescriptorPools;
+        Vector<BufferResource> stagingPool;
+        Vector<Vector<BufferResource>> stagingPending;
+        Uint32 currentFrame = 0;
+        Uint32 maxFramesInFlight = 2;
+        Bool initialized = false;
+        UintVec2 viewportSize{0, 0};
+
+        VkImage depthImage = VK_NULL_HANDLE;
+        VkDeviceMemory depthMemory = VK_NULL_HANDLE;
+        VkImageView depthView = VK_NULL_HANDLE;
+        VkFormat depthFormat = VK_FORMAT_UNDEFINED;
+        Uint64 defaultRenderingCompatHash = 0;
+
+        BufferResource nullUbo;
+
+        TextureResource defaultTexture;
+        SamplerResource defaultSampler;
+
+        UnorderedMap<const BufferObject*, BufferResourceSet> buffers;
+        UnorderedMap<const ITextureObject*, TextureResource> textures;
+        UnorderedMap<const RenderbufferObject*, RenderbufferResource> renderbuffers;
+        UnorderedMap<const SamplerObject*, SamplerResource> samplers;
+        UnorderedMap<const ProgramObject*, ProgramResource> programs;
+        UnorderedMap<SharedPtr<MG_State::GLState::FramebufferObject>, SharedPtr<BackendFramebufferObject>> framebuffers;
+        Vector<PendingBufferCopyBatch> pendingBufferCopies;
+        Vector<StagingRing> stagingRings;
+
+        VkExtent2D activeExtent{0, 0};
+        Vector<VkImageView> activeColorViews;
+        Vector<VkImageLayout> activeColorLayouts;
+        Vector<VkFormat> activeColorFormats;
+        Vector<Int32> activeColorAttachmentIndices;
+        VkImageView activeDepthView = VK_NULL_HANDLE;
+        VkImageLayout activeDepthLayout = VK_IMAGE_LAYOUT_UNDEFINED;
+        VkImageView activeStencilView = VK_NULL_HANDLE;
+        VkImageLayout activeStencilLayout = VK_IMAGE_LAYOUT_UNDEFINED;
+        Uint32 activeSwapchainImageIndex = ~0u;
+        Uint32 activeColorAttachmentCount = 1;
+        Bool activeHasDepth = false;
+        VkFormat activeDepthFormat = VK_FORMAT_UNDEFINED;
+        VkFormat activeDepthAttachmentFormat = VK_FORMAT_UNDEFINED;
+        VkFormat activeStencilAttachmentFormat = VK_FORMAT_UNDEFINED;
+        Uint64 activeRenderingCompatHash = 0;
+        Uint64 activeRenderingConfigHash = 0;
+        SharedPtr<MG_State::GLState::FramebufferObject> activeStateFBO = nullptr;
+        SharedPtr<BackendFramebufferObject> activeBackendFBO = nullptr;
+        Bool activeIsDefault = true;
+        Bool activeDefaultColorWrites = true;
+
+        Uint64 recordingRenderingConfigHash = 0;
+        Bool cmdBufferBegun = false;
+
+        Bool recording = false;
+        Bool frameSubmitted = false;
+        FloatVec4 clearColor = {0.0f, 0.0f, 0.0f, 1.0f};
+        Float clearDepth = 1.0f;
+
+        UnorderedMap<SharedPtr<FramebufferObject>, PendingClearInfo> pendingClears;
+
+        Vector<VkImageLayout> swapchainImageLayouts;
+
+        PFN_vkCmdBeginRendering pfnCmdBeginRendering = nullptr;
+        PFN_vkCmdEndRendering pfnCmdEndRendering = nullptr;
+        PFN_vkWaitSemaphores pfnWaitSemaphores = nullptr;
+        VkSemaphore timelineSemaphore = VK_NULL_HANDLE;
+        Uint64 timelineValue = 0;
+    };
+
+    void Present();
+    void FrameBegin();
+    void InitVulkan(ANativeWindow* window);
+    const VulkanState& GetVulkanState();
+    void ClearBufferfi(GLenum buffer, GLint drawbuffer, GLfloat depth, GLint stencil);
+    void ClearBufferfv(GLenum buffer, GLint drawbuffer, const GLfloat* value);
+    void ClearBufferuiv(GLenum buffer, GLint drawbuffer, const GLuint* value);
+    void ClearBufferiv(GLenum buffer, GLint drawbuffer, const GLint* value);
+    void Clear(GLbitfield mask);
+    void DrawElements(GLenum mode, GLsizei count, GLenum type, const void* indices);
+    void DrawArrays(GLenum mode, GLint first, GLsizei count);
+    void DrawElementsBaseVertex(GLenum mode, GLsizei count, GLenum type, const GLvoid* indices, GLint basevertex);
+    void MultiDrawElements(GLenum mode, const GLsizei* count, GLenum type, const GLvoid* const* indices,
+                           GLsizei drawcount);
+    void MultiDrawElementsBaseVertex(GLenum mode, const GLsizei* count, GLenum type, const GLvoid* const* indices,
+                                     GLsizei drawcount, const GLint* basevertex);
+    void MultiDrawElementsIndirect(GLenum mode, GLenum type, const void* indirect, GLsizei drawcount, GLsizei stride);
+    void MultiDrawArraysIndirect(GLenum mode, const void* indirect, GLsizei drawcount, GLsizei stride);
+    void DrawRangeElementsBaseVertex(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type,
+                                     const void* indices, GLint basevertex);
+    void DrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const void* indices);
+    void DrawElementsInstancedBaseVertexBaseInstance(GLenum mode, GLsizei count, GLenum type, const void* indices,
+                                                     GLsizei instancecount, GLint basevertex, GLuint baseinstance);
+    void DrawElementsInstancedBaseVertex(GLenum mode, GLsizei count, GLenum type, const void* indices,
+                                         GLsizei instancecount, GLint basevertex);
+    void DrawElementsInstancedBaseInstance(GLenum mode, GLsizei count, GLenum type, const void* indices,
+                                           GLsizei instancecount, GLuint baseinstance);
+    void DrawElementsInstanced(GLenum mode, GLsizei count, GLenum type, const void* indices, GLsizei instancecount);
+    void DrawElementsIndirect(GLenum mode, GLenum type, const void* indirect);
+    void DrawArraysInstancedBaseInstance(GLenum mode, GLint first, GLsizei count, GLsizei instancecount,
+                                         GLuint baseinstance);
+    void DrawArraysInstanced(GLenum mode, GLint first, GLsizei count, GLsizei instancecount);
+    void DrawArraysIndirect(GLenum mode, const void* indirect);
+    void BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1,
+                         GLint dstY1, GLbitfield mask, GLenum filter);
+    void CopyTexImage2D(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width,
+                        GLsizei height, GLint border);
+    void CopyTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width,
+                           GLsizei height);
+    void GenerateMipmap(GLenum target);
+} // namespace MobileGL::MG_Backend::DirectVulkanTMP::TmpImpl

MobileGL/MG_Backend/Init.cpp

@@ -52,8 +52,8 @@ namespace MobileGL::MG_Backend {
         case BackendType::DirectGLES:
             pActiveBackendObject = MakeUnique<DirectGLES::BackendObject_DirectGLES>();
             break;
-        case BackendType::DirectVulkan:
-            pActiveBackendObject = MakeUnique<DirectVulkan::BackendObject_DirectVulkan>();
+        case BackendType::DirectVulkanTMP:
+            pActiveBackendObject = MakeUnique<DirectVulkanTMP::BackendObject_DirectVulkanTMP>();
             break;
         case BackendType::Unknown:
         default:

MobileGL/MG_Benchmark/Buffer/BufferBench.cpp

@@ -61,7 +61,7 @@ static void BM_CreateBufferObjectsAndBindBuffer(benchmark::State& state) {
 BENCHMARK(BM_CreateBufferObjectsAndBindBuffer)->Unit(benchmark::kMillisecond)->UseRealTime();
 
 static void BM_DeleteBufferObjects(benchmark::State& state) {
-    Initialize();
+    MG_Initialize();
     std::vector<GLuint> buffers(BUFFER_COUNT);
 
     for (auto _ : state) {
@@ -179,7 +179,7 @@ static void BM_UpdateDataPartially(benchmark::State& state) {
 BENCHMARK(BM_UpdateDataPartially)->Unit(benchmark::kMillisecond)->UseRealTime();
 
 int main(int argc, char** argv) {
-    Initialize();
+    MG_Initialize();
     benchmark ::MaybeReenterWithoutASLR(argc, argv);
     char arg0_default[] = "benchmark";
     char* args_default = reinterpret_cast<char*>(arg0_default);

MobileGL/MG_Benchmark/Program/ProgramBench.cpp

@@ -43,7 +43,7 @@ void main(){
     // Use TestMat2 and TestMat3 to prevent optimization
     vec2 dummy2 = TestMat2[0];
     vec3 dummy3 = TestMat3[0];
-
+    
     oneTexel = (1.0 * (fIn1 * fIn2 * fIn3 * fIn4 * fIn5 * fIn6)) / InSize;
 
     texCoord = Position.xy / OutSize;
@@ -221,7 +221,7 @@ static void BM_CompileAndLink(benchmark::State& state) {
 BENCHMARK(BM_CompileAndLink)->Unit(benchmark::kMillisecond);
 
 int main(int argc, char** argv) {
-    Initialize();
+    MG_Initialize();
     benchmark ::MaybeReenterWithoutASLR(argc, argv);
     char arg0_default[] = "benchmark";
     char* args_default = reinterpret_cast<char*>(arg0_default);
@@ -234,4 +234,4 @@ int main(int argc, char** argv) {
     ::benchmark ::RunSpecifiedBenchmarks();
     ::benchmark ::Shutdown();
     return 0;
-}
+}

MobileGL/MG_Impl/EGLImpl/EGLImpl.cpp

@@ -9,451 +9,178 @@
 #include "EGLImpl.h"
 #include "../GetProcAddress.h"
 #include <MG_Backend/BackendObjects.h>
-#include <MG_State/EGLState/Core.h>
-#include <type_traits>
 
 namespace MobileGL::MG_Impl::EGLImpl {
-    namespace {
-        using EGLStateContext = MG_State::EGLState::EGLContext;
-
-        EGLStateContext* GetState() {
-            if (!MG_State::pEGLContext) {
-                MGLOG_E("pEGLContext is null. MG_State may not be initialized.");
-            }
-            return MG_State::pEGLContext.get();
-        }
-
-        MG_Backend::BackendObject* GetBackendObject(EGLStateContext* state) {
-            auto* backendObject = MG_Backend::pActiveBackendObject.get();
-            if (!backendObject && state) {
-                state->SetError(EGL_NOT_INITIALIZED);
-            }
-            return backendObject;
-        }
-
-        MG_Backend::WindowBackend DetectWindowBackend() {
-#if defined(ANDROID) || defined(__ANDROID__)
-            return MG_Backend::WindowBackend::Android;
-#else
-            return MG_Backend::WindowBackend::Unknown;
-#endif
-        }
-
-        template <typename NativeType>
-        Bool IsNullNativeHandle(NativeType nativeHandle) {
-            if constexpr (std::is_pointer_v<NativeType>) {
-                return nativeHandle == nullptr;
-            } else {
-                return nativeHandle == 0;
-            }
-        }
-
-        template <typename NativeType>
-        void* ToVoidHandle(NativeType nativeHandle) {
-            if constexpr (std::is_pointer_v<NativeType>) {
-                return reinterpret_cast<void*>(nativeHandle);
-            } else {
-                return reinterpret_cast<void*>(static_cast<SizeT>(nativeHandle));
-            }
-        }
-    } // namespace
-
     EGLSurface CreateWindowSurface(EGLDisplay dpy, EGLConfig config, NativeWindowType window,
                                    const EGLint* attrib_list) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_NO_SURFACE;
-        }
-        if (!state->IsDisplayInitialized(dpy)) {
-            state->SetError(EGL_NOT_INITIALIZED);
-            return EGL_NO_SURFACE;
-        }
-        if (!state->ValidateConfigOnDisplay(dpy, config)) {
-            state->SetError(EGL_BAD_CONFIG);
-            return EGL_NO_SURFACE;
-        }
-        if (IsNullNativeHandle(window)) {
-            state->SetError(EGL_BAD_NATIVE_WINDOW);
-            return EGL_NO_SURFACE;
-        }
-
-        auto* backendObject = GetBackendObject(state);
-        if (!backendObject) {
+        MGLOG_D("EGLImpl::CreateWindowSurface called with window=%p", window);
+        const auto& activeBackendObject = MG_Backend::pActiveBackendObject;
+        if (!activeBackendObject) {
             MGLOG_E("activeBackendObject not initialized!");
             return EGL_NO_SURFACE;
         }
-
-        const MG_Backend::WindowHandle windowHandle = {
-            .Backend = DetectWindowBackend(),
-            .Handle = ToVoidHandle(window),
-        };
-        if (!backendObject->CreateEGLWindowSurface(windowHandle)) {
-            state->SetError(EGL_BAD_NATIVE_WINDOW);
-            return EGL_NO_SURFACE;
-        }
-
-        return state->CreateWindowSurface(dpy, config, window, attrib_list);
+        activeBackendObject->SetWindowHandle({MG_Backend::WindowBackend::Android, reinterpret_cast<void*>(window)});
+        activeBackendObject->InitWindowSurface();
+        return (EGLSurface)1;
     }
 
     EGLBoolean SwapBuffers(EGLDisplay dpy, EGLSurface draw) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_FALSE;
-        }
-        if (!state->ValidateSurfaceOnDisplay(dpy, draw)) {
-            state->SetError(EGL_BAD_SURFACE);
-            return EGL_FALSE;
-        }
-
-        auto* backendObject = GetBackendObject(state);
-        if (!backendObject) {
-            MGLOG_E("activeBackendObject not initialized!");
-            return EGL_FALSE;
-        }
-        if (!backendObject->SwapEGLBuffers(dpy, draw)) {
-            state->SetError(EGL_BAD_SURFACE);
+        MGLOG_D("EGLImpl::SwapBuffers called with dpy=%p", dpy);
+        if (!MG_Backend::gBackendFunctionsTable.Present) {
+            MGLOG_E("MG_Backend::gBackendFunctionsTable.Present not initialized!");
             return EGL_FALSE;
         }
+        MG_Backend::gBackendFunctionsTable.Present();
         return EGL_TRUE;
     }
 
     EGLBoolean ChooseConfig(EGLDisplay dpy, const EGLint* attrib_list, EGLConfig* configs, EGLint config_size,
                             EGLint* num_config) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_FALSE;
-        }
-        return state->ChooseConfig(dpy, attrib_list, configs, config_size, num_config) ? EGL_TRUE : EGL_FALSE;
+        *num_config = 1;
+        return EGL_TRUE;
     }
 
     EGLContext CreateContext(EGLDisplay dpy, EGLConfig config, EGLContext shareCtx, const EGLint* attrib_list) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_NO_CONTEXT;
-        }
-        return state->CreateContext(dpy, config, shareCtx, attrib_list);
+        return (EGLContext)1;
     }
 
     EGLBoolean Initialize(EGLDisplay dpy, EGLint* major, EGLint* minor) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_FALSE;
-        }
-        if (!state->InitializeDisplay(dpy, major, minor)) {
-            return EGL_FALSE;
-        }
-
-        auto* backendObject = GetBackendObject(state);
-        if (!backendObject) {
-            MGLOG_E("activeBackendObject not initialized!");
-            return EGL_FALSE;
-        }
-        if (!backendObject->InitializeEGLDisplay(dpy, major, minor)) {
-            state->SetError(EGL_NOT_INITIALIZED);
-            return EGL_FALSE;
-        }
+        if (major) *major = 1;
+        if (minor) *minor = 5;
         return EGL_TRUE;
     }
 
     EGLDisplay GetDisplay(NativeDisplayType display) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_NO_DISPLAY;
-        }
-        return state->GetDisplay(display);
+        return (EGLDisplay)1;
     }
 
     EGLint GetError() {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_NOT_INITIALIZED;
-        }
-        return state->ConsumeError();
+        return EGL_SUCCESS;
     }
 
     EGLBoolean MakeCurrent(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_FALSE;
-        }
-
-        const auto oldDisplay = state->GetCurrentDisplay();
-        const auto oldDraw = state->GetCurrentSurface(EGL_DRAW);
-        const auto oldRead = state->GetCurrentSurface(EGL_READ);
-        const auto oldContext = state->GetCurrentContext();
-
-        if (!state->MakeCurrent(dpy, draw, read, ctx)) {
-            return EGL_FALSE;
-        }
-
-        const Bool releaseCurrentRequest =
-            dpy == EGL_NO_DISPLAY && draw == EGL_NO_SURFACE && read == EGL_NO_SURFACE && ctx == EGL_NO_CONTEXT;
-        if (releaseCurrentRequest) {
-            if (auto* backendObject = MG_Backend::pActiveBackendObject.get()) {
-                (void)backendObject->MakeEGLCurrent(dpy, draw, read, ctx);
-            }
-            return EGL_TRUE;
-        }
-
-        auto* backendObject = GetBackendObject(state);
-        if (!backendObject) {
+        MGLOG_D("EGLImpl::CreateWindowSurface called with window=%p", window);
+        const auto& activeBackendObject = MG_Backend::pActiveBackendObject;
+        if (!activeBackendObject) {
             MGLOG_E("activeBackendObject not initialized!");
-            state->MakeCurrent(oldDisplay, oldDraw, oldRead, oldContext);
-            return EGL_FALSE;
-        }
-        if (!backendObject->MakeEGLCurrent(dpy, draw, read, ctx)) {
-            state->SetError(EGL_BAD_ACCESS);
-            state->MakeCurrent(oldDisplay, oldDraw, oldRead, oldContext);
             return EGL_FALSE;
         }
+        activeBackendObject->InitCapabilities();
         return EGL_TRUE;
     }
 
     EGLBoolean DestroyContext(EGLDisplay dpy, EGLContext ctx) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_FALSE;
-        }
-        return state->DestroyContext(dpy, ctx) ? EGL_TRUE : EGL_FALSE;
+        return EGL_TRUE;
     }
 
     EGLBoolean DestroySurface(EGLDisplay dpy, EGLSurface surface) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_FALSE;
-        }
-        return state->DestroySurface(dpy, surface) ? EGL_TRUE : EGL_FALSE;
+        return EGL_TRUE;
     }
 
     EGLBoolean Terminate(EGLDisplay dpy) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_FALSE;
-        }
-        return state->TerminateDisplay(dpy) ? EGL_TRUE : EGL_FALSE;
+        return EGL_TRUE;
     }
 
     EGLBoolean ReleaseThread() {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_FALSE;
-        }
-        state->ReleaseThread();
         return EGL_TRUE;
     }
 
     EGLContext GetCurrentContext() {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_NO_CONTEXT;
-        }
-        return state->GetCurrentContext();
+        return (EGLContext)1;
     }
 
     EGLBoolean GetConfigAttrib(EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint* value) {
-        auto* state = GetState();
-        if (!state) {
+        if (attribute == EGL_NATIVE_VISUAL_ID) {
+#if defined(ANDROID)
+            *value = AHARDWAREBUFFER_FORMAT_R8G8B8A8_UNORM;
+            return EGL_TRUE;
+#elif defined(__linux__)
+            *value = 0;
+            return EGL_TRUE;
+#elif defined(_WIN32)
+            *value = 0;
+            return EGL_TRUE;
+#else
+            *value = 0;
             return EGL_FALSE;
+#endif
         }
-        return state->GetConfigAttrib(dpy, config, attribute, value) ? EGL_TRUE : EGL_FALSE;
+        return EGL_TRUE;
     }
 
     EGLBoolean BindAPI(EGLenum api) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_FALSE;
-        }
-        switch (api) {
-        case EGL_OPENGL_API:
-        case EGL_OPENGL_ES_API:
-        case EGL_OPENVG_API:
-            state->SetBoundAPI(api);
-            return EGL_TRUE;
-        default:
-            state->SetError(EGL_BAD_PARAMETER);
-            return EGL_FALSE;
-        }
+        return EGL_TRUE;
     }
 
     EGLSurface GetCurrentSurface(EGLint readdraw) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_NO_SURFACE;
-        }
-        return state->GetCurrentSurface(readdraw);
+        return (EGLSurface)1;
     }
 
     EGLBoolean QuerySurface(EGLDisplay display, EGLSurface surface, EGLint attribute, EGLint* value) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_FALSE;
-        }
-        return state->QuerySurface(display, surface, attribute, value) ? EGL_TRUE : EGL_FALSE;
+        return EGL_TRUE;
     }
 
     char const* QueryString(EGLDisplay display, EGLint name) {
-        auto* state = GetState();
-        if (!state) {
-            return nullptr;
-        }
-
-        if (display != EGL_NO_DISPLAY && !state->ValidateDisplay(display)) {
-            state->SetError(EGL_BAD_DISPLAY);
-            return nullptr;
-        }
-
-        switch (name) {
-        case EGL_VENDOR:
-            return "MobileGL";
-        case EGL_VERSION:
-            return "1.5 MobileGL";
-        case EGL_CLIENT_APIS:
-            return "OpenGL OpenGL_ES";
-        case EGL_EXTENSIONS:
-            return "";
-        default:
-            state->SetError(EGL_BAD_PARAMETER);
-            return nullptr;
-        }
+        return "";
     }
 
     EGLBoolean SwapInterval(EGLDisplay dpy, EGLint interval) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_FALSE;
-        }
-        return state->SwapInterval(dpy, interval) ? EGL_TRUE : EGL_FALSE;
+        return EGL_TRUE;
     }
 
     EGLSurface CreatePbufferSurface(EGLDisplay dpy, EGLConfig config, const EGLint* attrib_list) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_NO_SURFACE;
-        }
-        return state->CreatePbufferSurface(dpy, config, attrib_list);
+        return (EGLSurface)1;
     }
 
     EGLBoolean BindTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_FALSE;
-        }
-        if (!state->ValidateSurfaceOnDisplay(dpy, surface)) {
-            state->SetError(EGL_BAD_SURFACE);
-            return EGL_FALSE;
-        }
-        if (buffer != EGL_BACK_BUFFER) {
-            state->SetError(EGL_BAD_PARAMETER);
-            return EGL_FALSE;
-        }
         return EGL_TRUE;
     }
 
     EGLBoolean ReleaseTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_FALSE;
-        }
-        if (!state->ValidateSurfaceOnDisplay(dpy, surface)) {
-            state->SetError(EGL_BAD_SURFACE);
-            return EGL_FALSE;
-        }
-        if (buffer != EGL_BACK_BUFFER) {
-            state->SetError(EGL_BAD_PARAMETER);
-            return EGL_FALSE;
-        }
         return EGL_TRUE;
     }
 
     EGLBoolean CopyBuffers(EGLDisplay dpy, EGLSurface surface, EGLNativePixmapType target) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_FALSE;
-        }
-        if (!state->ValidateSurfaceOnDisplay(dpy, surface)) {
-            state->SetError(EGL_BAD_SURFACE);
-            return EGL_FALSE;
-        }
-        if (IsNullNativeHandle(target)) {
-            state->SetError(EGL_BAD_NATIVE_PIXMAP);
-            return EGL_FALSE;
-        }
         return EGL_TRUE;
     }
 
     EGLSurface CreatePbufferFromClientBuffer(EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer, EGLConfig config,
                                              const EGLint* attrib_list) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_NO_SURFACE;
-        }
-        return state->CreatePbufferFromClientBuffer(dpy, buftype, buffer, config, attrib_list);
+        return (EGLSurface)1;
     }
 
     EGLSurface CreatePixmapSurface(EGLDisplay dpy, EGLConfig config, EGLNativePixmapType pixmap,
                                    const EGLint* attrib_list) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_NO_SURFACE;
-        }
-        return state->CreatePixmapSurface(dpy, config, pixmap, attrib_list);
+        return (EGLSurface)1;
     }
 
     EGLBoolean GetConfigs(EGLDisplay dpy, EGLConfig* configs, EGLint config_size, EGLint* num_config) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_FALSE;
+        if (num_config) {
+            *num_config = 1;
         }
-        return state->GetConfigs(dpy, configs, config_size, num_config) ? EGL_TRUE : EGL_FALSE;
+        if (configs && config_size > 0) {
+            configs[0] = (EGLConfig)1;
+        }
+        return EGL_TRUE;
     }
 
     EGLDisplay GetCurrentDisplay() {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_NO_DISPLAY;
-        }
-        return state->GetCurrentDisplay();
+        return (EGLDisplay)1;
     }
 
     EGLenum QueryAPI() {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_OPENGL_API;
-        }
-        return state->GetBoundAPI();
+        return EGL_OPENGL_API;
     }
 
     EGLBoolean QueryContext(EGLDisplay dpy, EGLContext ctx, EGLint attribute, EGLint* value) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_FALSE;
+        if (value) {
+            *value = 1;
         }
-        return state->QueryContext(dpy, ctx, attribute, value) ? EGL_TRUE : EGL_FALSE;
+        return EGL_TRUE;
     }
 
     EGLBoolean SurfaceAttrib(EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value) {
-        (void)value;
-
-        auto* state = GetState();
-        if (!state) {
-            return EGL_FALSE;
-        }
-        if (!state->ValidateSurfaceOnDisplay(dpy, surface)) {
-            state->SetError(EGL_BAD_SURFACE);
-            return EGL_FALSE;
-        }
-
-        switch (attribute) {
-        case EGL_MIPMAP_LEVEL:
-        case EGL_SWAP_BEHAVIOR:
-        case EGL_TEXTURE_FORMAT:
-        case EGL_TEXTURE_TARGET:
-        case EGL_MIPMAP_TEXTURE:
-            return EGL_TRUE;
-        default:
-            state->SetError(EGL_BAD_ATTRIBUTE);
-            return EGL_FALSE;
-        }
+        return EGL_TRUE;
     }
 
     EGLBoolean WaitClient() {
@@ -465,132 +192,60 @@ namespace MobileGL::MG_Impl::EGLImpl {
     }
 
     EGLBoolean WaitNative(EGLint engine) {
-        (void)engine;
         return EGL_TRUE;
     }
 
     EGLSync CreateSync(EGLDisplay dpy, EGLenum type, const EGLAttrib* attrib_list) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_NO_SYNC;
-        }
-        return state->CreateSync(dpy, type, attrib_list);
+        return reinterpret_cast<EGLSync>(0x1);
     }
 
-    EGLBoolean DestroySync(EGLDisplay dpy, EGLSync sync) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_FALSE;
-        }
-        return state->DestroySync(dpy, sync) ? EGL_TRUE : EGL_FALSE;
+    EGLBoolean DestroySync(void* dpy, void* sync) {
+        return EGL_TRUE;
     }
 
     EGLint ClientWaitSync(EGLDisplay dpy, EGLSync sync, EGLint flags, EGLTime timeout) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_FALSE;
-        }
-        return state->ClientWaitSync(dpy, sync, flags, timeout);
+        return EGL_CONDITION_SATISFIED;
     }
 
     EGLBoolean GetSyncAttrib(EGLDisplay dpy, EGLSync sync, EGLint attribute, EGLAttrib* value) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_FALSE;
+        if (value) {
+            *value = 1;
         }
-        return state->GetSyncAttrib(dpy, sync, attribute, value) ? EGL_TRUE : EGL_FALSE;
+        return EGL_TRUE;
     }
 
     EGLImage CreateImage(EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer,
                          const EGLAttrib* attrib_list) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_NO_IMAGE;
-        }
-        return state->CreateImage(dpy, ctx, target, buffer, attrib_list);
+        return reinterpret_cast<EGLImage>(0x1);
     }
 
     EGLBoolean DestroyImage(EGLDisplay dpy, EGLImage image) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_FALSE;
-        }
-        return state->DestroyImage(dpy, image) ? EGL_TRUE : EGL_FALSE;
+        return EGL_TRUE;
     }
 
     EGLDisplay GetPlatformDisplay(EGLenum platform, void* native_display, const EGLAttrib* attrib_list) {
-        (void)attrib_list;
-
-        auto* state = GetState();
-        if (!state) {
-            return EGL_NO_DISPLAY;
-        }
-        return state->GetPlatformDisplay(platform, native_display);
+        return reinterpret_cast<EGLDisplay>(0x1);
     }
 
     EGLSurface CreatePlatformWindowSurface(EGLDisplay dpy, EGLConfig config, void* native_window,
                                            const EGLAttrib* attrib_list) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_NO_SURFACE;
-        }
-        if (native_window == nullptr) {
-            state->SetError(EGL_BAD_NATIVE_WINDOW);
-            return EGL_NO_SURFACE;
-        }
-        if (!state->IsDisplayInitialized(dpy)) {
-            state->SetError(EGL_NOT_INITIALIZED);
-            return EGL_NO_SURFACE;
-        }
-        if (!state->ValidateConfigOnDisplay(dpy, config)) {
-            state->SetError(EGL_BAD_CONFIG);
-            return EGL_NO_SURFACE;
-        }
-
-        auto* backendObject = GetBackendObject(state);
-        if (!backendObject) {
-            MGLOG_E("activeBackendObject not initialized!");
-            return EGL_NO_SURFACE;
-        }
-
-        const MG_Backend::WindowHandle windowHandle = {
-            .Backend = DetectWindowBackend(),
-            .Handle = native_window,
-        };
-        if (!backendObject->CreateEGLWindowSurface(windowHandle)) {
-            state->SetError(EGL_BAD_NATIVE_WINDOW);
-            return EGL_NO_SURFACE;
-        }
-
-        return state->CreatePlatformWindowSurface(dpy, config, native_window, attrib_list);
+        return reinterpret_cast<EGLSurface>(0x1);
     }
 
     EGLSurface CreatePlatformPixmapSurface(EGLDisplay dpy, EGLConfig config, void* native_pixmap,
                                            const EGLAttrib* attrib_list) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_NO_SURFACE;
-        }
-        return state->CreatePlatformPixmapSurface(dpy, config, native_pixmap, attrib_list);
+        return reinterpret_cast<EGLSurface>(0x1);
     }
 
-    EGLBoolean WaitSync(EGLDisplay dpy, EGLSync sync, EGLint flags) {
-        auto* state = GetState();
-        if (!state) {
-            return EGL_FALSE;
-        }
-        return state->WaitSync(dpy, sync, flags) ? EGL_TRUE : EGL_FALSE;
+    EGLBoolean WaitSync(void* dpy, void* sync, int flags) {
+        return EGL_TRUE;
     }
 
     __eglMustCastToProperFunctionPointerType GetProcAddress(const char* name) {
-        if (!name) {
-            return nullptr;
-        }
-
         MGLOG_D("eglGetProcAddress(%s)", name);
         void* proc = MG_Impl::GetProcAddress(name);
         if (!proc) {
-            MGLOG_W("Failed to get function: %s", name);
+            MGLOG_W("Failed to get function: %s", (const char*)name);
             return nullptr;
         }
         return (__eglMustCastToProperFunctionPointerType)proc;

MobileGL/MG_Impl/EGLImpl/EGLImpl.h

@@ -48,7 +48,7 @@ namespace MobileGL::MG_Impl::EGLImpl {
     EGLBoolean WaitGL();
     EGLBoolean WaitNative(EGLint engine);
     EGLSync CreateSync(EGLDisplay dpy, EGLenum type, const EGLAttrib* attrib_list);
-    EGLBoolean DestroySync(EGLDisplay dpy, EGLSync sync);
+    EGLBoolean DestroySync(void* dpy, void* sync);
     EGLint ClientWaitSync(EGLDisplay dpy, EGLSync sync, EGLint flags, EGLTime timeout);
     EGLBoolean GetSyncAttrib(EGLDisplay dpy, EGLSync sync, EGLint attribute, EGLAttrib* value);
     EGLImage CreateImage(EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer,
@@ -59,6 +59,6 @@ namespace MobileGL::MG_Impl::EGLImpl {
                                            const EGLAttrib* attrib_list);
     EGLSurface CreatePlatformPixmapSurface(EGLDisplay dpy, EGLConfig config, void* native_pixmap,
                                            const EGLAttrib* attrib_list);
-    EGLBoolean WaitSync(EGLDisplay dpy, EGLSync sync, EGLint flags);
+    EGLBoolean WaitSync(void* dpy, void* sync, int flags);
     __eglMustCastToProperFunctionPointerType GetProcAddress(const char* name);
 } // namespace MobileGL::MG_Impl::EGLImpl

MobileGL/MG_Impl/GLImpl/Buffer/GL_Buffer.h

@@ -9,22 +9,24 @@
 #pragma once
 #include <Includes.h>
 
-namespace MobileGL::MG_Impl::GLImpl {
-    /* @INSERTION_POINT:FUNCTION_DECLARATION@ */
-    void GetBufferParameteriv(GLenum target, GLenum pname, GLint* params);
-    GLboolean IsBuffer(GLuint buffer);
-    void DeleteBuffers(GLsizei n, const GLuint* buffers);
-    void FlushMappedBufferRange(GLenum target, GLintptr offset, GLsizeiptr length);
-    GLboolean UnmapBuffer(GLenum target);
-    void* MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length, GLbitfield access);
-    void* MapBuffer(GLenum target, GLenum access);
-    void CopyBufferSubData(GLenum readTarget, GLenum writeTarget, GLintptr readOffset, GLintptr writeOffset,
-                           GLsizeiptr size);
-    void BufferSubData(GLenum target, GLintptr offset, GLsizeiptr size, const void* data);
-    void BufferData(GLenum target, GLsizeiptr size, const void* data, GLenum usage);
-    void BindBuffer(GLenum target, GLuint buffer);
-    void GenBuffers(GLsizei n, GLuint* buffers);
-    void BindBufferBase(GLenum target, GLuint index, GLuint buffer);
-    void BindBufferRange(GLenum target, GLuint index, GLuint buffer, GLintptr offset, GLsizeiptr size);
+namespace MobileGL {
+    namespace MG_Impl::GLImpl {
+        /* @INSERTION_POINT:FUNCTION_DECLARATION@ */
+        void GetBufferParameteriv(GLenum target, GLenum pname, GLint* params);
+        GLboolean IsBuffer(GLuint buffer);
+        void DeleteBuffers(GLsizei n, const GLuint* buffers);
+        void FlushMappedBufferRange(GLenum target, GLintptr offset, GLsizeiptr length);
+        GLboolean UnmapBuffer(GLenum target);
+        void* MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length, GLbitfield access);
+        void* MapBuffer(GLenum target, GLenum access);
+        void CopyBufferSubData(GLenum readTarget, GLenum writeTarget, GLintptr readOffset, GLintptr writeOffset,
+                               GLsizeiptr size);
+        void BufferSubData(GLenum target, GLintptr offset, GLsizeiptr size, const void* data);
+        void BufferData(GLenum target, GLsizeiptr size, const void* data, GLenum usage);
+        void BindBuffer(GLenum target, GLuint buffer);
+        void GenBuffers(GLsizei n, GLuint* buffers);
+        void BindBufferBase(GLenum target, GLuint index, GLuint buffer);
+        void BindBufferRange(GLenum target, GLuint index, GLuint buffer, GLintptr offset, GLsizeiptr size);
 
-} // namespace MobileGL::MG_Impl::GLImpl
+    } // namespace MG_Impl::GLImpl
+} // namespace MobileGL

MobileGL/MG_Impl/GLImpl/Buffer/Validators.cpp

@@ -13,100 +13,105 @@
 #include <MG_Util/Converters/MGToGL/BufferEnumConverter.h>
 #include <MG_Util/Converters/MGToStr/BufferEnumConverter.h>
 
-namespace MobileGL::MG_Impl::GLImpl::BufferImpl {
-    Bool ValidateBufferTarget(BufferTarget target) {
-        if (target == BufferTarget::Unknown) {
-            using namespace MG_Util;
-            String bufferTargetStr = ConvertBufferTargetToString(target);
-            String glTargetStr = ConvertGLEnumToString(ConvertBufferTargetToGLEnum(target));
-            MG_State::pGLContext->RecordError(
-                ErrorCode::InvalidEnum, MakeUnique<GenericErrorInfo>(
-                                            "MG_Impl/GLImpl/BufferImpl", "ValidateBufferTarget",
-                                            std::format("Target {} ({}) is not valid.", bufferTargetStr, glTargetStr)));
-            return false;
-        }
+namespace MobileGL::MG_Impl::GLImpl {
+    namespace BufferImpl {
+        Bool ValidateBufferTarget(BufferTarget target) {
+            if (target == BufferTarget::Unknown) {
+                using namespace MG_Util;
+                String bufferTargetStr = ConvertBufferTargetToString(target);
+                String glTargetStr = ConvertGLEnumToString(ConvertBufferTargetToGLEnum(target));
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidEnum,
+                    MakeShared<GenericErrorInfo>(
+                        "MG_Impl/GLImpl/BufferImpl", "ValidateBufferTarget",
+                        std::format("Target {} ({}) is not valid.", bufferTargetStr, glTargetStr)));
+                return false;
+            }
 
-        if (target == BufferTarget::Index && MG_State::pGLContext->GetBoundVertexArray() == nullptr) {
-            MG_State::pGLContext->RecordError(ErrorCode::InvalidOperation,
-                                              MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl/BufferImpl",
-                                                                           "ValidateBufferTarget",
-                                                                           "No vertex array object is bound."));
-            return false;
-        }
+            if (target == BufferTarget::Index && MG_State::pGLContext->GetBoundVertexArray() == nullptr) {
+                MG_State::pGLContext->RecordError(ErrorCode::InvalidOperation,
+                                                  MakeShared<GenericErrorInfo>("MG_Impl/GLImpl/BufferImpl",
+                                                                               "ValidateBufferTarget",
+                                                                               "No vertex array object is bound."));
+                return false;
+            }
 
-        return true;
-    }
-
-    Bool ValidateBufferBindingPointTarget(BufferTarget target) {
-        if (target != BufferTarget::Uniform && target != BufferTarget::AtomicCounter &&
-            target != BufferTarget::TransformFeedback && target != BufferTarget::ShaderStorage) {
-            using namespace MG_Util;
-            String bufferTargetStr = ConvertBufferTargetToString(target);
-            String glTargetStr = ConvertGLEnumToString(ConvertBufferTargetToGLEnum(target));
-            MG_State::pGLContext->RecordError(
-                ErrorCode::InvalidEnum, MakeUnique<GenericErrorInfo>(
-                                            "MG_Impl/GLImpl/BufferImpl", "ValidateBufferTarget",
-                                            std::format("Target {} ({}) is not valid.", bufferTargetStr, glTargetStr)));
-            return false;
-        }
-        return true;
-    }
-
-    Bool ValidateBufferName(Uint index, Bool allowZero) {
-        if (index == 0) {
-            if (allowZero) return true;
-
-            MG_State::pGLContext->RecordError(
-                ErrorCode::InvalidValue, MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl/BufferImpl", "ValidateBufferName",
-                                                                      "Buffer name 0 is not valid."));
-            return false;
-        }
-        Bool isValid = MG_State::pGLContext->ValidateBufferName(index);
-        if (isValid) return true;
-        MG_State::pGLContext->RecordError(
-            ErrorCode::InvalidOperation,
-            MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl/BufferImpl", "ValidateBufferName",
-                                         std::format("Buffer name {} is not valid.", index)));
-        return false;
-    }
-
-    Bool ValidateBufferUsage(BufferUsage usage) {
-        if (usage != BufferUsage::Unknown) {
             return true;
         }
-        using namespace MG_Util;
-        String bufferUsageStr = ConvertBufferUsageToString(usage);
-        String glUsageStr = ConvertGLEnumToString(ConvertBufferUsageToGLEnum(usage));
-        MG_State::pGLContext->RecordError(
-            ErrorCode::InvalidEnum,
-            MakeUnique<GenericErrorInfo>(
-                "MG_Impl/GLImpl/BufferImpl", "ValidateBufferUsage",
-                std::format("Usage {} ({}) is not one of the allowable values.", bufferUsageStr, glUsageStr)));
-        return false;
-    }
 
-    Bool ValidateBufferMappingAccess(Flags<BufferMappingAccessBit> accessBits) {
-        if (accessBits == BufferMappingAccessBit::Null) {
-            MG_State::pGLContext->RecordError(ErrorCode::InvalidEnum,
-                                              MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl/BufferImpl",
-                                                                           "ValidateBufferMappingAccess",
-                                                                           "Access bits cannot be null."));
+        Bool ValidateBufferBindingPointTarget(BufferTarget target) {
+            if (target != BufferTarget::Uniform && target != BufferTarget::AtomicCounter &&
+                target != BufferTarget::TransformFeedback && target != BufferTarget::ShaderStorage) {
+                using namespace MG_Util;
+                String bufferTargetStr = ConvertBufferTargetToString(target);
+                String glTargetStr = ConvertGLEnumToString(ConvertBufferTargetToGLEnum(target));
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidEnum,
+                    MakeShared<GenericErrorInfo>(
+                        "MG_Impl/GLImpl/BufferImpl", "ValidateBufferTarget",
+                        std::format("Target {} ({}) is not valid.", bufferTargetStr, glTargetStr)));
+                return false;
+            }
+            return true;
+        }
+
+        Bool ValidateBufferName(Uint index, Bool allowZero) {
+            if (index == 0) {
+                if (allowZero) return true;
+
+                MG_State::pGLContext->RecordError(ErrorCode::InvalidValue,
+                                                  MakeShared<GenericErrorInfo>("MG_Impl/GLImpl/BufferImpl",
+                                                                               "ValidateBufferName",
+                                                                               "Buffer name 0 is not valid."));
+                return false;
+            }
+            Bool isValid = MG_State::pGLContext->ValidateBufferName(index);
+            if (isValid) return true;
+            MG_State::pGLContext->RecordError(
+                ErrorCode::InvalidOperation,
+                MakeShared<GenericErrorInfo>("MG_Impl/GLImpl/BufferImpl", "ValidateBufferName",
+                                             std::format("Buffer name {} is not valid.", index)));
             return false;
         }
 
-        const auto validBits = BufferMappingAccessBit::Read | BufferMappingAccessBit::Write |
-                               BufferMappingAccessBit::InvalidateRange | BufferMappingAccessBit::InvalidateBuffer |
-                               BufferMappingAccessBit::FlushExplicit | BufferMappingAccessBit::Unsynchronized |
-                               BufferMappingAccessBit::Persistent | BufferMappingAccessBit::Coherent;
-
-        if ((accessBits & validBits) != accessBits) {
+        Bool ValidateBufferUsage(BufferUsage usage) {
+            if (usage != BufferUsage::Unknown) {
+                return true;
+            }
+            using namespace MG_Util;
+            String bufferUsageStr = ConvertBufferUsageToString(usage);
+            String glUsageStr = ConvertGLEnumToString(ConvertBufferUsageToGLEnum(usage));
             MG_State::pGLContext->RecordError(
                 ErrorCode::InvalidEnum,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl/BufferImpl", "ValidateBufferMappingAccess",
-                                             "Access bits cannot contain invalid flags."));
+                MakeShared<GenericErrorInfo>(
+                    "MG_Impl/GLImpl/BufferImpl", "ValidateBufferUsage",
+                    std::format("Usage {} ({}) is not one of the allowable values.", bufferUsageStr, glUsageStr)));
             return false;
         }
 
-        return true;
-    }
-} // namespace MobileGL::MG_Impl::GLImpl::BufferImpl
+        Bool ValidateBufferMappingAccess(Flags<BufferMappingAccessBit> accessBits) {
+            if (accessBits == BufferMappingAccessBit::Null) {
+                MG_State::pGLContext->RecordError(ErrorCode::InvalidEnum,
+                                                  MakeShared<GenericErrorInfo>("MG_Impl/GLImpl/BufferImpl",
+                                                                               "ValidateBufferMappingAccess",
+                                                                               "Access bits cannot be null."));
+                return false;
+            }
+
+            const auto validBits = BufferMappingAccessBit::Read | BufferMappingAccessBit::Write |
+                                   BufferMappingAccessBit::InvalidateRange | BufferMappingAccessBit::InvalidateBuffer |
+                                   BufferMappingAccessBit::FlushExplicit | BufferMappingAccessBit::Unsynchronized |
+                                   BufferMappingAccessBit::Persistent | BufferMappingAccessBit::Coherent;
+
+            if ((accessBits & validBits) != accessBits) {
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidEnum,
+                    MakeShared<GenericErrorInfo>("MG_Impl/GLImpl/BufferImpl", "ValidateBufferMappingAccess",
+                                                 "Access bits cannot contain invalid flags."));
+                return false;
+            }
+
+            return true;
+        }
+    } // namespace BufferImpl
+} // namespace MobileGL::MG_Impl::GLImpl

MobileGL/MG_Impl/GLImpl/Buffer/Validators.h

@@ -10,10 +10,12 @@
 #include <Includes.h>
 #include <MG_State/GLState/BufferState/BufferObject.h>
 
-namespace MobileGL::MG_Impl::GLImpl::BufferImpl {
-    Bool ValidateBufferTarget(BufferTarget target);
-    Bool ValidateBufferName(Uint index, Bool allowZero = false);
-    Bool ValidateBufferUsage(BufferUsage usage);
-    Bool ValidateBufferMappingAccess(Flags<BufferMappingAccessBit> accessBits);
-    Bool ValidateBufferBindingPointTarget(BufferTarget target);
-} // namespace MobileGL::MG_Impl::GLImpl::BufferImpl
+namespace MobileGL::MG_Impl::GLImpl {
+    namespace BufferImpl {
+        Bool ValidateBufferTarget(BufferTarget target);
+        Bool ValidateBufferName(Uint index, Bool allowZero = false);
+        Bool ValidateBufferUsage(BufferUsage usage);
+        Bool ValidateBufferMappingAccess(Flags<BufferMappingAccessBit> accessBits);
+        Bool ValidateBufferBindingPointTarget(BufferTarget target);
+    } // namespace BufferImpl
+} // namespace MobileGL::MG_Impl::GLImpl

MobileGL/MG_Impl/GLImpl/Drawing/GL_Drawing.h

@@ -9,31 +9,34 @@
 #pragma once
 #include <Includes.h>
 
-namespace MobileGL::MG_Impl::GLImpl {
-    /* @INSERTION_POINT:FUNCTION_DECLARATION@ */
-    void MultiDrawElementsIndirect(GLenum mode, GLenum type, const void* indirect, GLsizei drawcount, GLsizei stride);
-    void MultiDrawArraysIndirect(GLenum mode, const void* indirect, GLsizei drawcount, GLsizei stride);
-    void DrawRangeElementsBaseVertex(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type,
-                                     const void* indices, GLint basevertex);
-    void DrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const void* indices);
-    void DrawElementsInstancedBaseVertexBaseInstance(GLenum mode, GLsizei count, GLenum type, const void* indices,
-                                                     GLsizei instancecount, GLint basevertex, GLuint baseinstance);
-    void DrawElementsInstancedBaseVertex(GLenum mode, GLsizei count, GLenum type, const void* indices,
-                                         GLsizei instancecount, GLint basevertex);
-    void DrawElementsInstancedBaseInstance(GLenum mode, GLsizei count, GLenum type, const void* indices,
-                                           GLsizei instancecount, GLuint baseinstance);
-    void DrawElementsInstanced(GLenum mode, GLsizei count, GLenum type, const void* indices, GLsizei instancecount);
-    void DrawElementsIndirect(GLenum mode, GLenum type, const void* indirect);
-    void DrawArraysInstancedBaseInstance(GLenum mode, GLint first, GLsizei count, GLsizei instancecount,
-                                         GLuint baseinstance);
-    void DrawArraysInstanced(GLenum mode, GLint first, GLsizei count, GLsizei instancecount);
-    void DrawArraysIndirect(GLenum mode, const void* indirect);
-    void DrawElementsBaseVertex(GLenum mode, GLsizei count, GLenum type, const void* indices, GLint basevertex);
-    void DrawArrays(GLenum mode, GLint first, GLsizei count);
-    void MultiDrawElements(GLenum mode, const GLsizei* count, GLenum type, const void* const* indices,
-                           GLsizei drawcount);
-    void MultiDrawElementsBaseVertex(GLenum mode, const GLsizei* count, GLenum type, const void* const* indices,
-                                     GLsizei drawcount, const GLint* basevertex);
-    void Clear(GLbitfield mask);
-    void DrawElements(GLenum mode, GLsizei count, GLenum type, const void* indices);
-} // namespace MobileGL::MG_Impl::GLImpl
+namespace MobileGL {
+    namespace MG_Impl::GLImpl {
+        /* @INSERTION_POINT:FUNCTION_DECLARATION@ */
+        void MultiDrawElementsIndirect(GLenum mode, GLenum type, const void* indirect, GLsizei drawcount,
+                                       GLsizei stride);
+        void MultiDrawArraysIndirect(GLenum mode, const void* indirect, GLsizei drawcount, GLsizei stride);
+        void DrawRangeElementsBaseVertex(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type,
+                                         const void* indices, GLint basevertex);
+        void DrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const void* indices);
+        void DrawElementsInstancedBaseVertexBaseInstance(GLenum mode, GLsizei count, GLenum type, const void* indices,
+                                                         GLsizei instancecount, GLint basevertex, GLuint baseinstance);
+        void DrawElementsInstancedBaseVertex(GLenum mode, GLsizei count, GLenum type, const void* indices,
+                                             GLsizei instancecount, GLint basevertex);
+        void DrawElementsInstancedBaseInstance(GLenum mode, GLsizei count, GLenum type, const void* indices,
+                                               GLsizei instancecount, GLuint baseinstance);
+        void DrawElementsInstanced(GLenum mode, GLsizei count, GLenum type, const void* indices, GLsizei instancecount);
+        void DrawElementsIndirect(GLenum mode, GLenum type, const void* indirect);
+        void DrawArraysInstancedBaseInstance(GLenum mode, GLint first, GLsizei count, GLsizei instancecount,
+                                             GLuint baseinstance);
+        void DrawArraysInstanced(GLenum mode, GLint first, GLsizei count, GLsizei instancecount);
+        void DrawArraysIndirect(GLenum mode, const void* indirect);
+        void DrawElementsBaseVertex(GLenum mode, GLsizei count, GLenum type, const void* indices, GLint basevertex);
+        void DrawArrays(GLenum mode, GLint first, GLsizei count);
+        void MultiDrawElements(GLenum mode, const GLsizei* count, GLenum type, const void* const* indices,
+                               GLsizei drawcount);
+        void MultiDrawElementsBaseVertex(GLenum mode, const GLsizei* count, GLenum type, const void* const* indices,
+                                         GLsizei drawcount, const GLint* basevertex);
+        void Clear(GLbitfield mask);
+        void DrawElements(GLenum mode, GLsizei count, GLenum type, const void* indices);
+    } // namespace MG_Impl::GLImpl
+} // namespace MobileGL

MobileGL/MG_Impl/GLImpl/Framebuffer/GL_Framebuffer.cpp

@@ -38,11 +38,11 @@ namespace MobileGL::MG_Impl::GLImpl {
         RenderbufferTarget rbTarget = MG_Util::ConvertGLEnumToRenderbufferTarget(target);
         if (!FramebufferImpl::ValidateRenderbufferTarget(rbTarget)) return;
         auto& bindingSlot = MG_State::pGLContext->GetRenderbufferBindingSlot(rbTarget);
-        auto& renderbufferObject = bindingSlot.GetBoundObject();
+        auto renderbufferObject = bindingSlot.GetBoundObject();
         if (!renderbufferObject) {
             MG_State::pGLContext->RecordError(
                 ErrorCode::InvalidOperation,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "RenderbufferStorage_State",
+                MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "RenderbufferStorage_State",
                                              "Renderbuffer target is bound to no renderbuffer object."));
             return;
         }
@@ -50,7 +50,7 @@ namespace MobileGL::MG_Impl::GLImpl {
         if (!TextureImpl::ValidateTextureInternalFormat(format)) return;
         if (width < 0 || height < 0) {
             MG_State::pGLContext->RecordError(
-                ErrorCode::InvalidValue, MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "RenderbufferStorage_State",
+                ErrorCode::InvalidValue, MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "RenderbufferStorage_State",
                                                                       "Width and height must be non-negative."));
             return;
         }
@@ -74,11 +74,10 @@ namespace MobileGL::MG_Impl::GLImpl {
         if (n < 0) {
             MG_State::pGLContext->RecordError(
                 ErrorCode::InvalidValue,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "GenRenderbuffers_State", "n must be non-negative"));
+                MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "GenRenderbuffers_State", "n must be non-negative"));
             return;
         }
-        static thread_local Vector<GLuint> renderbufferNames;
-        MG_State::pGLContext->GenRenderbufferNames(n, renderbufferNames);
+        auto renderbufferNames = MG_State::pGLContext->GenRenderbufferNames(n);
         Memcpy(renderbuffers, renderbufferNames.data(), sizeof(GLuint) * static_cast<SizeT>(n));
     }
 
@@ -86,11 +85,10 @@ namespace MobileGL::MG_Impl::GLImpl {
         if (n < 0) {
             MG_State::pGLContext->RecordError(
                 ErrorCode::InvalidValue,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "GenFramebuffers_State", "n must be non-negative"));
+                MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "GenFramebuffers_State", "n must be non-negative"));
             return;
         }
-        static thread_local Vector<GLuint> framebuffersNames;
-        MG_State::pGLContext->GenFramebufferNames(n, framebuffersNames);
+        auto framebuffersNames = MG_State::pGLContext->GenFramebufferNames(n);
         Memcpy(framebuffers, framebuffersNames.data(), sizeof(GLuint) * static_cast<SizeT>(n));
     }
 
@@ -121,11 +119,11 @@ namespace MobileGL::MG_Impl::GLImpl {
         if (!TextureImpl::ValidateTextureName(texture, true)) return;
 
         auto& bindingSlot = MG_State::pGLContext->GetFramebufferBindingSlot(framebufferTarget);
-        auto& framebufferObject = bindingSlot.GetBoundObject();
+        auto framebufferObject = bindingSlot.GetBoundObject();
         if (!framebufferObject) {
             MG_State::pGLContext->RecordError(
                 ErrorCode::InvalidOperation,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "FramebufferTexture2D_State",
+                MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "FramebufferTexture2D_State",
                                              "Framebuffer target is bound to no framebuffer object."));
             return;
         }
@@ -135,11 +133,11 @@ namespace MobileGL::MG_Impl::GLImpl {
             return;
         }
 
-        auto& textureObject = MG_State::pGLContext->GetTextureObject(texture);
+        auto textureObject = MG_State::pGLContext->GetTextureObject(texture);
         if (!textureObject) {
             MG_State::pGLContext->RecordError(
                 ErrorCode::InvalidOperation,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "FramebufferTexture2D_State",
+                MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "FramebufferTexture2D_State",
                                              std::format("Texture object {} is not valid.", texture)));
             return;
         }
@@ -168,11 +166,11 @@ namespace MobileGL::MG_Impl::GLImpl {
         if (!FramebufferImpl::ValidateFramebufferTarget(framebufferTarget)) return;
         if (!FramebufferImpl::ValidateRenderbufferName(renderbuffer)) return;
         auto& bindingSlot = MG_State::pGLContext->GetFramebufferBindingSlot(framebufferTarget);
-        auto& framebufferObject = bindingSlot.GetBoundObject();
+        auto framebufferObject = bindingSlot.GetBoundObject();
         if (!framebufferObject) {
             MG_State::pGLContext->RecordError(
                 ErrorCode::InvalidOperation,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "FramebufferRenderbuffer_State",
+                MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "FramebufferRenderbuffer_State",
                                              "Framebuffer target is bound to no framebuffer object."));
             return;
         }
@@ -182,11 +180,11 @@ namespace MobileGL::MG_Impl::GLImpl {
             return;
         }
 
-        auto& renderbufferObject = MG_State::pGLContext->GetRenderbufferObject(renderbuffer);
+        auto renderbufferObject = MG_State::pGLContext->GetRenderbufferObject(renderbuffer);
         if (!renderbufferObject) {
             MG_State::pGLContext->RecordError(
                 ErrorCode::InvalidOperation,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "FramebufferRenderbuffer_State",
+                MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "FramebufferRenderbuffer_State",
                                              std::format("Renderbuffer object {} is not valid.", renderbuffer)));
             return;
         }
@@ -198,18 +196,18 @@ namespace MobileGL::MG_Impl::GLImpl {
         if (n < 0) {
             MG_State::pGLContext->RecordError(
                 ErrorCode::InvalidValue,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", __func__, "`n` is less than 0."));
+                MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", __func__, "`n` is less than 0."));
             return;
         } else if (n > MG_State::GLState::FramebufferObject::MAX_DRAW_BUFFERS) {
             MG_State::pGLContext->RecordError(
                 ErrorCode::InvalidValue,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", __func__, "`n` is greater than `GL_MAX_DRAW_BUFFERS`."));
+                MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", __func__, "`n` is greater than `GL_MAX_DRAW_BUFFERS`."));
             return;
         }
 
         // Get bound framebuffer
         auto& bindingSlot = MG_State::pGLContext->GetFramebufferBindingSlot(FramebufferTarget::Draw);
-        auto& fbo = bindingSlot.GetBoundObject();
+        auto fbo = bindingSlot.GetBoundObject();
         bool isDefaultFBO = (fbo == FramebufferImpl::pDefaultFramebufferInfo->defaultFBO);
 
         static int existenceMap[(SizeT)FramebufferAttachmentType::FramebufferAttachmentTypeCount] = {-1};
@@ -222,7 +220,7 @@ namespace MobileGL::MG_Impl::GLImpl {
             if (attType == FramebufferAttachmentType::Unknown) {
                 MG_State::pGLContext->RecordError(
                     ErrorCode::InvalidEnum,
-                    MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", __func__,
+                    MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", __func__,
                                                  std::format("bufs[{}] = {} is not an accepted value.", i,
                                                              MG_Util::ConvertGLEnumToString(bufs[i]))));
                 return;
@@ -232,7 +230,7 @@ namespace MobileGL::MG_Impl::GLImpl {
                 attType <= FramebufferAttachmentType::Color31) {
                 MG_State::pGLContext->RecordError(
                     ErrorCode::InvalidEnum,
-                    MakeUnique<GenericErrorInfo>(
+                    MakeShared<GenericErrorInfo>(
                         "MG_Impl/GLImpl", __func__,
                         std::format(
                             "FBO is default FBO, but bufs[{}] = {} is one of the `GL_COLOR_ATTACHMENTn` tokens.", i,
@@ -244,7 +242,7 @@ namespace MobileGL::MG_Impl::GLImpl {
                 attType <= FramebufferAttachmentType::BackRight) {
                 MG_State::pGLContext->RecordError(
                     ErrorCode::InvalidEnum,
-                    MakeUnique<GenericErrorInfo>(
+                    MakeShared<GenericErrorInfo>(
                         "MG_Impl/GLImpl", __func__,
                         std::format("FBO is not default FBO, but bufs[{}] = {} is anything other than `GL_NONE` or "
                                     "one of the `GL_COLOR_ATTACHMENTn` tokens.",
@@ -255,7 +253,7 @@ namespace MobileGL::MG_Impl::GLImpl {
             if (attType != FramebufferAttachmentType::None && existenceMap[(SizeT)attType] >= 0) {
                 MG_State::pGLContext->RecordError(
                     ErrorCode::InvalidOperation,
-                    MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", __func__,
+                    MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", __func__,
                                                  std::format("a symbolic constant other than `GL_NONE` appears "
                                                              "more than once in bufs. bufs[{}] == bufs[{}] == {}.",
                                                              i, existenceMap[(SizeT)attType],
@@ -269,7 +267,7 @@ namespace MobileGL::MG_Impl::GLImpl {
                 (SizeT)FramebufferAttachmentType::Color0 + MG_State::GLState::FramebufferObject::MAX_DRAW_BUFFERS) {
                 MG_State::pGLContext->RecordError(
                     ErrorCode::InvalidOperation,
-                    MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", __func__,
+                    MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", __func__,
                                                  std::format("bufs[{}] == {} indicates a color buffer that does "
                                                              "not exist in the current GL context.",
                                                              i, MG_Util::ConvertGLEnumToString(bufs[i]))));
@@ -299,7 +297,7 @@ namespace MobileGL::MG_Impl::GLImpl {
         if (attType == FramebufferAttachmentType::Unknown) {
             MG_State::pGLContext->RecordError(
                 ErrorCode::InvalidEnum,
-                MakeUnique<GenericErrorInfo>(
+                MakeShared<GenericErrorInfo>(
                     "MG_Impl/GLImpl", __func__,
                     std::format("`mode` = {} is not an accepted value.", MG_Util::ConvertGLEnumToString(mode))));
             return;
@@ -307,7 +305,7 @@ namespace MobileGL::MG_Impl::GLImpl {
 
         // Get bound framebuffer
         auto& bindingSlot = MG_State::pGLContext->GetFramebufferBindingSlot(FramebufferTarget::Read);
-        auto& fbo = bindingSlot.GetBoundObject();
+        auto fbo = bindingSlot.GetBoundObject();
         fbo->SetReadBuffer(attType);
     }
 
@@ -315,13 +313,13 @@ namespace MobileGL::MG_Impl::GLImpl {
         if (n < 0) {
             MG_State::pGLContext->RecordError(
                 ErrorCode::InvalidValue,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "DeleteRenderbuffers_State", "n must be non-negative."));
+                MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "DeleteRenderbuffers_State", "n must be non-negative."));
             return;
         }
 
         if (!renderbuffers) {
             MG_State::pGLContext->RecordError(
-                ErrorCode::InvalidValue, MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "DeleteRenderbuffers_State",
+                ErrorCode::InvalidValue, MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "DeleteRenderbuffers_State",
                                                                       "Renderbuffer names array cannot be null."));
             return;
         }
@@ -338,13 +336,13 @@ namespace MobileGL::MG_Impl::GLImpl {
         if (n < 0) {
             MG_State::pGLContext->RecordError(
                 ErrorCode::InvalidValue,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "DeleteFramebuffers_State", "n must be non-negative."));
+                MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "DeleteFramebuffers_State", "n must be non-negative."));
             return;
         }
 
         if (!framebuffers) {
             MG_State::pGLContext->RecordError(ErrorCode::InvalidValue,
-                                              MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "DeleteFramebuffers_State",
+                                              MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "DeleteFramebuffers_State",
                                                                            "Framebuffer names array cannot be null."));
             return;
         }
@@ -362,11 +360,11 @@ namespace MobileGL::MG_Impl::GLImpl {
         if (!FramebufferImpl::ValidateFramebufferTarget(framebufferTarget)) return GL_FRAMEBUFFER_UNDEFINED;
 
         auto& bindingSlot = MG_State::pGLContext->GetFramebufferBindingSlot(framebufferTarget);
-        auto& framebufferObject = bindingSlot.GetBoundObject();
+        auto framebufferObject = bindingSlot.GetBoundObject();
         if (!framebufferObject) {
             MG_State::pGLContext->RecordError(
                 ErrorCode::InvalidOperation,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "CheckFramebufferStatus_State",
+                MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "CheckFramebufferStatus_State",
                                              "Framebuffer target is bound to no framebuffer object."));
             return GL_FRAMEBUFFER_UNDEFINED;
         }
@@ -384,11 +382,11 @@ namespace MobileGL::MG_Impl::GLImpl {
         RenderbufferTarget renderbufferTarget = MG_Util::ConvertGLEnumToRenderbufferTarget(target);
         if (!FramebufferImpl::ValidateRenderbufferTarget(renderbufferTarget)) return;
 
-        Bool doesRenderbufferCreated = MG_State::pGLContext->ValidateRenderbufferObject(renderbuffer);
-        if (!doesRenderbufferCreated) {
+        auto renderbufferObject = MG_State::pGLContext->GetRenderbufferObject(renderbuffer);
+        if (!renderbufferObject) {
             MG_State::pGLContext->CreateRenderbufferObject(renderbuffer);
+            renderbufferObject = MG_State::pGLContext->GetRenderbufferObject(renderbuffer);
         }
-        auto& renderbufferObject = MG_State::pGLContext->GetRenderbufferObject(renderbuffer);
 
         auto& bindingSlot = MG_State::pGLContext->GetRenderbufferBindingSlot(renderbufferTarget);
         bindingSlot.Bind(renderbufferObject);
@@ -405,11 +403,11 @@ namespace MobileGL::MG_Impl::GLImpl {
         FramebufferTarget framebufferTarget = MG_Util::ConvertGLEnumToFramebufferTarget(target);
         if (!FramebufferImpl::ValidateFramebufferTarget(framebufferTarget)) return;
 
-        Bool doesFramebufferCreated = MG_State::pGLContext->ValidateFramebufferObject(framebuffer);
-        if (!doesFramebufferCreated) {
+        auto framebufferObject = MG_State::pGLContext->GetFramebufferObject(framebuffer);
+        if (!framebufferObject) {
             MG_State::pGLContext->CreateFramebufferObject(framebuffer);
+            framebufferObject = MG_State::pGLContext->GetFramebufferObject(framebuffer);
         }
-        auto& framebufferObject = MG_State::pGLContext->GetFramebufferObject(framebuffer);
 
         auto& bindingSlot = MG_State::pGLContext->GetFramebufferBindingSlot(framebufferTarget);
         bindingSlot.Bind(framebufferObject);
@@ -421,11 +419,11 @@ namespace MobileGL::MG_Impl::GLImpl {
         RenderbufferTarget renderbufferTarget = MG_Util::ConvertGLEnumToRenderbufferTarget(target);
         if (!FramebufferImpl::ValidateRenderbufferTarget(renderbufferTarget)) return;
         auto& bindingSlot = MG_State::pGLContext->GetRenderbufferBindingSlot(renderbufferTarget);
-        auto& renderbufferObject = bindingSlot.GetBoundObject();
+        auto renderbufferObject = bindingSlot.GetBoundObject();
         if (!renderbufferObject) {
             MG_State::pGLContext->RecordError(
                 ErrorCode::InvalidOperation,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "GetRenderbufferParameteriv_State",
+                MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "GetRenderbufferParameteriv_State",
                                              "Renderbuffer target is bound to no renderbuffer object."));
             return;
         }
@@ -464,7 +462,7 @@ namespace MobileGL::MG_Impl::GLImpl {
         default:
             MG_State::pGLContext->RecordError(
                 ErrorCode::InvalidEnum,
-                MakeUnique<GenericErrorInfo>(
+                MakeShared<GenericErrorInfo>(
                     "MG_Impl/GLImpl", "GetRenderbufferParameteriv_State",
                     std::format("pname {} is not an accepted value.", MG_Util::ConvertGLEnumToString(pname))));
             return;
@@ -494,7 +492,7 @@ namespace MobileGL::MG_Impl::GLImpl {
         // Check width/height
         if (width < 0 || height < 0) {
             MG_State::pGLContext->RecordError(ErrorCode::InvalidValue,
-                                              MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "ReadPixels_State",
+                                              MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "ReadPixels_State",
                                                                            "Width and height must be non-negative"));
             return;
         }
@@ -503,7 +501,7 @@ namespace MobileGL::MG_Impl::GLImpl {
         if (!TextureImpl::ValidateTextureInputFormat(textureInputFormat)) {
             MG_State::pGLContext->RecordError(
                 ErrorCode::InvalidEnum,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "ReadPixels_State", "Invalid format"));
+                MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "ReadPixels_State", "Invalid format"));
             return;
         }
 
@@ -511,17 +509,17 @@ namespace MobileGL::MG_Impl::GLImpl {
         if (!TextureImpl::ValidateTexturePixelDataType(texturePixelDataType)) {
             MG_State::pGLContext->RecordError(
                 ErrorCode::InvalidEnum,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "ReadPixels_State", "Invalid pixel data type"));
+                MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "ReadPixels_State", "Invalid pixel data type"));
             return;
         }
 
         // Get bound framebuffer
         auto& bindingSlot = MG_State::pGLContext->GetFramebufferBindingSlot(FramebufferTarget::Read);
-        auto& framebufferObject = bindingSlot.GetBoundObject();
+        auto framebufferObject = bindingSlot.GetBoundObject();
 
         if (!framebufferObject) {
             MG_State::pGLContext->RecordError(ErrorCode::InvalidOperation,
-                                              MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "ReadPixels_State",
+                                              MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "ReadPixels_State",
                                                                            "No framebuffer bound to read target"));
             return;
         }
@@ -530,7 +528,7 @@ namespace MobileGL::MG_Impl::GLImpl {
         if (!framebufferObject->CheckCompleteness()) {
             MG_State::pGLContext->RecordError(
                 ErrorCode::InvalidFramebufferOperation,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "ReadPixels_State", "Framebuffer is incomplete"));
+                MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "ReadPixels_State", "Framebuffer is incomplete"));
             return;
         }
 
@@ -539,7 +537,7 @@ namespace MobileGL::MG_Impl::GLImpl {
             if (!framebufferObject->GetAttachment(FramebufferAttachmentType::Stencil).IsValid()) {
                 MG_State::pGLContext->RecordError(
                     ErrorCode::InvalidOperation,
-                    MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "ReadPixels_State",
+                    MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "ReadPixels_State",
                                                  "No stencil buffer for stencil index format"));
                 return;
             }
@@ -547,7 +545,7 @@ namespace MobileGL::MG_Impl::GLImpl {
             if (!framebufferObject->GetAttachment(FramebufferAttachmentType::Depth).IsValid()) {
                 MG_State::pGLContext->RecordError(
                     ErrorCode::InvalidOperation,
-                    MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "ReadPixels_State",
+                    MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "ReadPixels_State",
                                                  "No depth buffer for depth component format"));
                 return;
             }
@@ -556,7 +554,7 @@ namespace MobileGL::MG_Impl::GLImpl {
                 !framebufferObject->GetAttachment(FramebufferAttachmentType::Stencil).IsValid()) {
                 MG_State::pGLContext->RecordError(
                     ErrorCode::InvalidOperation,
-                    MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "ReadPixels_State",
+                    MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "ReadPixels_State",
                                                  "No depth/stencil buffer for depth-stencil format"));
                 return;
             }
@@ -565,7 +563,7 @@ namespace MobileGL::MG_Impl::GLImpl {
             if (texturePixelDataType != TexturePixelDataType::UnsignedInt248 &&
                 texturePixelDataType != TexturePixelDataType::Float32UnsignedInt248Rev) {
                 MG_State::pGLContext->RecordError(
-                    ErrorCode::InvalidEnum, MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "ReadPixels_State",
+                    ErrorCode::InvalidEnum, MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "ReadPixels_State",
                                                                          "Invalid type for depth-stencil format"));
                 return;
             }
@@ -579,7 +577,7 @@ namespace MobileGL::MG_Impl::GLImpl {
             // Check if PBO is mapped
             if (pixelPackBufferObject->IsMapped()) {
                 MG_State::pGLContext->RecordError(
-                    ErrorCode::InvalidOperation, MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "ReadPixels_State",
+                    ErrorCode::InvalidOperation, MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "ReadPixels_State",
                                                                               "Pixel pack buffer is currently mapped"));
                 return;
             }
@@ -589,7 +587,7 @@ namespace MobileGL::MG_Impl::GLImpl {
             if (reinterpret_cast<uintptr_t>(pixels) % typeSize != 0) {
                 MG_State::pGLContext->RecordError(
                     ErrorCode::InvalidOperation,
-                    MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "ReadPixels_State",
+                    MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "ReadPixels_State",
                                                  "Pixel data not aligned for pixel pack buffer"));
                 return;
             }
@@ -597,11 +595,11 @@ namespace MobileGL::MG_Impl::GLImpl {
 
         // Check multisampling
         if (framebufferObject->GetAttachment(FramebufferAttachmentType::Color0).IsRenderbuffer()) {
-            auto& rbo = framebufferObject->GetAttachment(FramebufferAttachmentType::Color0).GetRenderbuffer();
+            auto rbo = framebufferObject->GetAttachment(FramebufferAttachmentType::Color0).GetRenderbuffer();
             if (rbo && rbo->GetSamples() > 1) {
                 MG_State::pGLContext->RecordError(
                     ErrorCode::InvalidOperation,
-                    MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "ReadPixels_State",
+                    MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "ReadPixels_State",
                                                  "ReadPixels not supported for multisampled framebuffers"));
                 return;
             }
@@ -734,6 +732,6 @@ namespace MobileGL::MG_Impl::GLImpl {
     }
 
     namespace FramebufferImpl {
-        UniquePtr<DefaultFramebufferInfo> pDefaultFramebufferInfo;
+        DefaultFramebufferInfo* pDefaultFramebufferInfo;
     } // namespace FramebufferImpl
 } // namespace MobileGL::MG_Impl::GLImpl

MobileGL/MG_Impl/GLImpl/Framebuffer/GL_Framebuffer.h

@@ -11,49 +11,51 @@
 #include <Includes.h>
 #include <MG_State/GLState/Core.h>
 
-namespace MobileGL::MG_Impl::GLImpl {
-    /* @INSERTION_POINT:FUNCTION_DECLARATION@ */
-    void ReadPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, void* pixels);
-    void ClearBufferfi(GLenum buffer, GLint drawbuffer, GLfloat depth, GLint stencil);
-    void ClearBufferfv(GLenum buffer, GLint drawbuffer, const GLfloat* value);
-    void ClearBufferuiv(GLenum buffer, GLint drawbuffer, const GLuint* value);
-    void ClearBufferiv(GLenum buffer, GLint drawbuffer, const GLint* value);
-    void RenderbufferStorageMultisample(GLenum target, GLsizei samples, GLenum internalformat, GLsizei width,
-                                        GLsizei height);
-    void RenderbufferStorage(GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
-    GLboolean IsRenderbuffer(GLuint renderbuffer);
-    void GetRenderbufferParameteriv(GLenum target, GLenum pname, GLint* params);
-    void GenRenderbuffers(GLsizei n, GLuint* renderbuffers);
-    void FramebufferRenderbuffer(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer);
-    void DeleteRenderbuffers(GLsizei n, const GLuint* renderbuffers);
-    void BindRenderbuffer(GLenum target, GLuint renderbuffer);
-    void SampleMaski(GLuint maskNumber, GLbitfield mask);
-    GLboolean IsFramebuffer(GLuint framebuffer);
-    void GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment, GLenum pname, GLint* params);
-    void GenFramebuffers(GLsizei n, GLuint* framebuffers);
-    void FramebufferTextureLayer(GLenum target, GLenum attachment, GLuint texture, GLint level, GLint layer);
-    void FramebufferTexture3D(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level,
-                              GLint zoffset);
-    void FramebufferTexture2D(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
-    void FramebufferTexture1D(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
-    void FramebufferTexture(GLenum target, GLenum attachment, GLuint texture, GLint level);
-    void DrawBuffer(GLenum buf);
-    void DrawBuffers(GLsizei n, const GLenum* bufs);
-    void ReadBuffer(GLenum src);
-    void DeleteFramebuffers(GLsizei n, const GLuint* framebuffers);
-    GLenum CheckFramebufferStatus(GLenum target);
-    void BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1,
-                         GLint dstY1, GLbitfield mask, GLenum filter);
-    void BindFramebuffer(GLenum target, GLuint framebuffer);
+namespace MobileGL {
+    namespace MG_Impl::GLImpl {
+        /* @INSERTION_POINT:FUNCTION_DECLARATION@ */
+        void ReadPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, void* pixels);
+        void ClearBufferfi(GLenum buffer, GLint drawbuffer, GLfloat depth, GLint stencil);
+        void ClearBufferfv(GLenum buffer, GLint drawbuffer, const GLfloat* value);
+        void ClearBufferuiv(GLenum buffer, GLint drawbuffer, const GLuint* value);
+        void ClearBufferiv(GLenum buffer, GLint drawbuffer, const GLint* value);
+        void RenderbufferStorageMultisample(GLenum target, GLsizei samples, GLenum internalformat, GLsizei width,
+                                            GLsizei height);
+        void RenderbufferStorage(GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
+        GLboolean IsRenderbuffer(GLuint renderbuffer);
+        void GetRenderbufferParameteriv(GLenum target, GLenum pname, GLint* params);
+        void GenRenderbuffers(GLsizei n, GLuint* renderbuffers);
+        void FramebufferRenderbuffer(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer);
+        void DeleteRenderbuffers(GLsizei n, const GLuint* renderbuffers);
+        void BindRenderbuffer(GLenum target, GLuint renderbuffer);
+        void SampleMaski(GLuint maskNumber, GLbitfield mask);
+        GLboolean IsFramebuffer(GLuint framebuffer);
+        void GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment, GLenum pname, GLint* params);
+        void GenFramebuffers(GLsizei n, GLuint* framebuffers);
+        void FramebufferTextureLayer(GLenum target, GLenum attachment, GLuint texture, GLint level, GLint layer);
+        void FramebufferTexture3D(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level,
+                                  GLint zoffset);
+        void FramebufferTexture2D(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
+        void FramebufferTexture1D(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
+        void FramebufferTexture(GLenum target, GLenum attachment, GLuint texture, GLint level);
+        void DrawBuffer(GLenum buf);
+        void DrawBuffers(GLsizei n, const GLenum* bufs);
+        void ReadBuffer(GLenum src);
+        void DeleteFramebuffers(GLsizei n, const GLuint* framebuffers);
+        GLenum CheckFramebufferStatus(GLenum target);
+        void BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1,
+                             GLint dstY1, GLbitfield mask, GLenum filter);
+        void BindFramebuffer(GLenum target, GLuint framebuffer);
 
-    namespace FramebufferImpl {
-        struct DefaultFramebufferInfo {
-            SharedPtr<MG_State::GLState::FramebufferObject> defaultFBO;
-            SharedPtr<MG_State::GLState::ITextureObject> colorAttachment;
-            SharedPtr<MG_State::GLState::ITextureObject> depthAttachment;
-            SharedPtr<MG_State::GLState::ITextureObject> stencilAttachment;
-        };
+        namespace FramebufferImpl {
+            struct DefaultFramebufferInfo {
+                SharedPtr<MG_State::GLState::FramebufferObject> defaultFBO;
+                SharedPtr<MG_State::GLState::ITextureObject> colorAttachment;
+                SharedPtr<MG_State::GLState::ITextureObject> depthAttachment;
+                SharedPtr<MG_State::GLState::ITextureObject> stencilAttachment;
+            };
 
-        extern UniquePtr<DefaultFramebufferInfo> pDefaultFramebufferInfo;
-    } // namespace FramebufferImpl
-} // namespace MobileGL::MG_Impl::GLImpl
+            extern DefaultFramebufferInfo* pDefaultFramebufferInfo;
+        } // namespace FramebufferImpl
+    } // namespace MG_Impl::GLImpl
+} // namespace MobileGL

MobileGL/MG_Impl/GLImpl/Framebuffer/Validators.cpp

@@ -13,82 +13,85 @@
 #include <MG_Util/Converters/MGToGL/FramebufferEnumConverter.h>
 #include <MG_Util/Converters/MGToStr/FramebufferEnumConverter.h>
 
-namespace MobileGL::MG_Impl::GLImpl::FramebufferImpl {
-    Bool ValidateFramebufferTarget(FramebufferTarget target) {
-        if (target == FramebufferTarget::Unknown) {
-            using namespace MG_Util;
-            String bufferTargetStr = ConvertFramebufferTargetToString(target);
-            String glTargetStr = ConvertGLEnumToString(ConvertFramebufferTargetToGLEnum(target));
-            MG_State::pGLContext->RecordError(
-                ErrorCode::InvalidEnum, MakeUnique<GenericErrorInfo>(
-                                            "MG_Impl/GLImpl/FramebufferImpl", "ValidateFramebufferTarget",
-                                            std::format("Target {} ({}) is not valid.", bufferTargetStr, glTargetStr)));
-            return false;
+namespace MobileGL::MG_Impl::GLImpl {
+    namespace FramebufferImpl {
+        Bool ValidateFramebufferTarget(FramebufferTarget target) {
+            if (target == FramebufferTarget::Unknown) {
+                using namespace MG_Util;
+                String bufferTargetStr = ConvertFramebufferTargetToString(target);
+                String glTargetStr = ConvertGLEnumToString(ConvertFramebufferTargetToGLEnum(target));
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidEnum,
+                    MakeShared<GenericErrorInfo>(
+                        "MG_Impl/GLImpl/FramebufferImpl", "ValidateFramebufferTarget",
+                        std::format("Target {} ({}) is not valid.", bufferTargetStr, glTargetStr)));
+                return false;
+            }
+            return true;
         }
-        return true;
-    }
 
-    Bool ValidateFramebufferName(Uint index, Bool allowZero) {
-        if (index == 0 && !allowZero) {
+        Bool ValidateFramebufferName(Uint index, Bool allowZero) {
+            if (index == 0 && !allowZero) {
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidValue,
+                    MakeShared<GenericErrorInfo>("MG_Impl/GLImpl/FramebufferImpl", "ValidateFramebufferName",
+                                                 "Framebuffer name 0 is not valid in this situation."));
+                return false;
+            }
+            Bool isValid = MG_State::pGLContext->ValidateFramebufferName(index);
+            if (isValid) return true;
             MG_State::pGLContext->RecordError(
-                ErrorCode::InvalidValue,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl/FramebufferImpl", "ValidateFramebufferName",
-                                             "Framebuffer name 0 is not valid in this situation."));
+                ErrorCode::InvalidOperation,
+                MakeShared<GenericErrorInfo>("MG_Impl/GLImpl/FramebufferImpl", "ValidateFramebufferName",
+                                             std::format("Framebuffer name {} is not valid.", index)));
             return false;
         }
-        Bool isValid = MG_State::pGLContext->ValidateFramebufferName(index);
-        if (isValid) return true;
-        MG_State::pGLContext->RecordError(
-            ErrorCode::InvalidOperation,
-            MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl/FramebufferImpl", "ValidateFramebufferName",
-                                         std::format("Framebuffer name {} is not valid.", index)));
-        return false;
-    }
 
-    Bool ValidateFramebufferAttachmentType(FramebufferAttachmentType attachment) {
-        if (attachment == FramebufferAttachmentType::Unknown) {
-            using namespace MG_Util;
-            String attachmentStr = ConvertFramebufferAttachmentTypeToString(attachment);
-            String glAttachmentStr = ConvertGLEnumToString(ConvertFramebufferAttachmentTypeToGLEnum(attachment));
-            MG_State::pGLContext->RecordError(
-                ErrorCode::InvalidEnum,
-                MakeUnique<GenericErrorInfo>(
-                    "MG_Impl/GLImpl/FramebufferImpl", "ValidateFramebufferAttachmentType",
-                    std::format("Attachment type {} ({}) is not valid.", attachmentStr, glAttachmentStr)));
-            return false;
+        Bool ValidateFramebufferAttachmentType(FramebufferAttachmentType attachment) {
+            if (attachment == FramebufferAttachmentType::Unknown) {
+                using namespace MG_Util;
+                String attachmentStr = ConvertFramebufferAttachmentTypeToString(attachment);
+                String glAttachmentStr = ConvertGLEnumToString(ConvertFramebufferAttachmentTypeToGLEnum(attachment));
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidEnum,
+                    MakeShared<GenericErrorInfo>(
+                        "MG_Impl/GLImpl/FramebufferImpl", "ValidateFramebufferAttachmentType",
+                        std::format("Attachment type {} ({}) is not valid.", attachmentStr, glAttachmentStr)));
+                return false;
+            }
+            return true;
         }
-        return true;
-    }
 
-    Bool ValidateRenderbufferTarget(RenderbufferTarget target) {
-        if (target == RenderbufferTarget::Unknown) {
-            using namespace MG_Util;
-            String renderbufferTargetStr = ConvertRenderbufferTargetToString(target);
-            String glTargetStr = ConvertGLEnumToString(ConvertRenderbufferTargetToGLEnum(target));
-            MG_State::pGLContext->RecordError(
-                ErrorCode::InvalidEnum,
-                MakeUnique<GenericErrorInfo>(
-                    "MG_Impl/GLImpl/FramebufferImpl", "ValidateRenderbufferTarget",
-                    std::format("Target {} ({}) is not valid.", renderbufferTargetStr, glTargetStr)));
-            return false;
+        Bool ValidateRenderbufferTarget(RenderbufferTarget target) {
+            if (target == RenderbufferTarget::Unknown) {
+                using namespace MG_Util;
+                String renderbufferTargetStr = ConvertRenderbufferTargetToString(target);
+                String glTargetStr = ConvertGLEnumToString(ConvertRenderbufferTargetToGLEnum(target));
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidEnum,
+                    MakeShared<GenericErrorInfo>(
+                        "MG_Impl/GLImpl/FramebufferImpl", "ValidateRenderbufferTarget",
+                        std::format("Target {} ({}) is not valid.", renderbufferTargetStr, glTargetStr)));
+                return false;
+            }
+            return true;
         }
-        return true;
-    }
 
-    Bool ValidateRenderbufferName(Uint index, Bool allowZero) {
-        if (index == 0 && !allowZero) {
+        Bool ValidateRenderbufferName(Uint index, Bool allowZero) {
+            if (index == 0 && !allowZero) {
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidValue,
+                    MakeShared<GenericErrorInfo>("MG_Impl/GLImpl/FramebufferImpl", "ValidateRenderbufferName",
+                                                 "Renderbuffer name 0 is not valid in this situation."));
+                return false;
+            }
+            Bool isValid = MG_State::pGLContext->ValidateRenderbufferName(index);
+            if (isValid) return true;
             MG_State::pGLContext->RecordError(
-                ErrorCode::InvalidValue,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl/FramebufferImpl", "ValidateRenderbufferName",
-                                             "Renderbuffer name 0 is not valid in this situation."));
+                ErrorCode::InvalidOperation,
+                MakeShared<GenericErrorInfo>("MG_Impl/GLImpl/FramebufferImpl", "ValidateRenderbufferName",
+                                             std::format("Renderbuffer name {} is not valid.", index)));
             return false;
         }
-        Bool isValid = MG_State::pGLContext->ValidateRenderbufferName(index);
-        if (isValid) return true;
-        MG_State::pGLContext->RecordError(
-            ErrorCode::InvalidOperation,
-            MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl/FramebufferImpl", "ValidateRenderbufferName",
-                                         std::format("Renderbuffer name {} is not valid.", index)));
-        return false;
-    }
-} // namespace MobileGL::MG_Impl::GLImpl::FramebufferImpl
+    } // namespace FramebufferImpl
+} // namespace MobileGL::MG_Impl::GLImpl

MobileGL/MG_Impl/GLImpl/Framebuffer/Validators.h

@@ -10,10 +10,12 @@
 #include <Includes.h>
 #include <MG_State/GLState/FramebufferState/FramebufferObject.h>
 
-namespace MobileGL::MG_Impl::GLImpl::FramebufferImpl {
-    Bool ValidateFramebufferTarget(FramebufferTarget target);
-    Bool ValidateFramebufferName(Uint index, Bool allowZero = true);
-    Bool ValidateFramebufferAttachmentType(FramebufferAttachmentType attachment);
-    Bool ValidateRenderbufferTarget(RenderbufferTarget target);
-    Bool ValidateRenderbufferName(Uint index, Bool allowZero = true);
-} // namespace MobileGL::MG_Impl::GLImpl::FramebufferImpl
+namespace MobileGL::MG_Impl::GLImpl {
+    namespace FramebufferImpl {
+        Bool ValidateFramebufferTarget(FramebufferTarget target);
+        Bool ValidateFramebufferName(Uint index, Bool allowZero = true);
+        Bool ValidateFramebufferAttachmentType(FramebufferAttachmentType attachment);
+        Bool ValidateRenderbufferTarget(RenderbufferTarget target);
+        Bool ValidateRenderbufferName(Uint index, Bool allowZero = true);
+    } // namespace FramebufferImpl
+} // namespace MobileGL::MG_Impl::GLImpl

MobileGL/MG_Impl/GLImpl/Getter/GL_Getter.cpp

@@ -125,7 +125,7 @@ namespace MobileGL::MG_Impl::GLImpl {
         if (!params) {
             MG_State::pGLContext->RecordError(
                 ErrorCode::InvalidValue,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "GetIntegerv", "params pointer cannot be null"));
+                MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "GetIntegerv", "params pointer cannot be null"));
             return;
         }
 
@@ -144,9 +144,9 @@ namespace MobileGL::MG_Impl::GLImpl {
             *params = 0; // TODO
             break;
         case GL_ARRAY_BUFFER_BINDING: {
-            auto& obj = MG_State::pGLContext->GetBufferBindingSlot(BufferTarget::Vertex).GetBoundObject();
+            auto obj = MG_State::pGLContext->GetBufferBindingSlot(BufferTarget::Vertex).GetBoundObject();
             if (obj)
-                *params = (GLint)obj->GetExternalIndex();
+                *params = obj->GetExternalIndex();
             else
                 *params = 0;
             break;
@@ -254,14 +254,14 @@ namespace MobileGL::MG_Impl::GLImpl {
             break;
         case GL_CURRENT_PROGRAM: {
             const auto& currentProgram = MG_State::pGLContext->GetCurrentProgram();
-            *params = currentProgram ? (GLint)currentProgram->GetExternalIndex() : 0;
+            *params = currentProgram ? currentProgram->GetExternalIndex() : 0;
             break;
         }
         case GL_DEPTH_CLEAR_VALUE:
-            *params = (GLint)MG_State::pGLContext->GetClearDepth();
+            *params = MG_State::pGLContext->GetClearDepth();
             break;
         case GL_DEPTH_FUNC:
-            *params = (GLint)MG_Util::ConvertDepthTestFuncToGLEnum(MG_State::pGLContext->GetDepthFunc());
+            *params = MG_Util::ConvertDepthTestFuncToGLEnum(MG_State::pGLContext->GetDepthFunc());
             break;
         case GL_DEPTH_RANGE:
             *params = 0; // TODO
@@ -286,12 +286,12 @@ namespace MobileGL::MG_Impl::GLImpl {
             break;
         case GL_DRAW_FRAMEBUFFER_BINDING: {
             const auto& FBO = MG_State::pGLContext->GetFramebufferBindingSlot(FramebufferTarget::Draw).GetBoundObject();
-            *params = FBO ? (GLint)FBO->GetExternalIndex() : 0;
+            *params = FBO ? FBO->GetExternalIndex() : 0;
             break;
         }
         case GL_READ_FRAMEBUFFER_BINDING: {
             const auto& FBO = MG_State::pGLContext->GetFramebufferBindingSlot(FramebufferTarget::Read).GetBoundObject();
-            *params = FBO ? (GLint)FBO->GetExternalIndex() : 0;
+            *params = FBO ? FBO->GetExternalIndex() : 0;
             break;
         }
         case GL_ELEMENT_ARRAY_BUFFER_BINDING: {
@@ -300,7 +300,7 @@ namespace MobileGL::MG_Impl::GLImpl {
                 break;
             }
             const auto& bufferObject = MG_State::pGLContext->GetBufferBindingSlot(BufferTarget::Index).GetBoundObject();
-            *params = bufferObject ? (GLint)bufferObject->GetExternalIndex() : 0;
+            *params = bufferObject ? bufferObject->GetExternalIndex() : 0;
             break;
         }
         case GL_FRAGMENT_SHADER_DERIVATIVE_HINT:
@@ -884,7 +884,7 @@ namespace MobileGL::MG_Impl::GLImpl {
         default:
             MGLOG_E("glGetIntegerv: Invalid enum %s (0x%X)", MG_Util::ConvertGLEnumToString(pname).c_str(), pname);
             MG_State::pGLContext->RecordError(ErrorCode::InvalidEnum,
-                                              MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "GetIntegerv",
+                                              MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "GetIntegerv",
                                                                            std::format("Invalid enum: 0x{:X}", pname)));
 
             break;
@@ -892,10 +892,7 @@ namespace MobileGL::MG_Impl::GLImpl {
     }
 
     GLenum GetError() {
-        auto error = MG_State::pGLContext->PopGLError();
-        if (!error || !error->get()) {
-            return GL_NO_ERROR;
-        }
-        return MG_Util::ConvertErrorCodeToGLEnum(error->get()->code);
+        ErrorCode errorCode = MG_State::pGLContext->PopGLError().value_or(Error{ErrorCode::NoError, nullptr}).code;
+        return MG_Util::ConvertErrorCodeToGLEnum(errorCode);
     }
 } // namespace MobileGL::MG_Impl::GLImpl

MobileGL/MG_Impl/GLImpl/Program/GL_Program.h

@@ -9,59 +9,61 @@
 #pragma once
 #include <Includes.h>
 
-namespace MobileGL::MG_Impl::GLImpl {
-    void AttachShader(GLuint program, GLuint shader);
-    void BindAttribLocation(GLuint program, GLuint index, const GLchar* name);
-    void CompileShader(GLuint shader);
-    GLuint CreateProgram(void);
-    GLuint CreateShader(GLenum type);
-    void DeleteProgram(GLuint program);
-    void DeleteShader(GLuint shader);
-    void DetachShader(GLuint program, GLuint shader);
-    void GetActiveAttrib(GLuint program, GLuint index, GLsizei bufSize, GLsizei* length, GLint* size, GLenum* type,
-                         GLchar* name);
-    void GetActiveUniform(GLuint program, GLuint index, GLsizei bufSize, GLsizei* length, GLint* size, GLenum* type,
-                          GLchar* name);
-    void GetAttachedShaders(GLuint program, GLsizei maxCount, GLsizei* count, GLuint* shaders);
-    GLint GetAttribLocation(GLuint program, const GLchar* name);
-    void GetProgramiv(GLuint program, GLenum pname, GLint* params);
-    void GetProgramInfoLog(GLuint program, GLsizei bufSize, GLsizei* length, GLchar* infoLog);
-    void GetShaderiv(GLuint shader, GLenum pname, GLint* params);
-    void GetShaderInfoLog(GLuint shader, GLsizei bufSize, GLsizei* length, GLchar* infoLog);
-    void GetShaderSource(GLuint shader, GLsizei bufSize, GLsizei* length, GLchar* source);
-    GLint GetUniformLocation(GLuint program, const GLchar* name);
-    void GetUniformfv(GLuint program, GLint location, GLfloat* params);
-    void GetUniformiv(GLuint program, GLint location, GLint* params);
-    GLboolean IsProgram(GLuint program);
-    GLboolean IsShader(GLuint shader);
-    void LinkProgram(GLuint program);
-    void ShaderSource(GLuint shader, GLsizei count, const GLchar* const* string, const GLint* length);
-    void UseProgram(GLuint program);
-    void Uniform1f(GLint location, GLfloat v0);
-    void Uniform2f(GLint location, GLfloat v0, GLfloat v1);
-    void Uniform3f(GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
-    void Uniform4f(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
-    void Uniform1i(GLint location, GLint v0);
-    void Uniform2i(GLint location, GLint v0, GLint v1);
-    void Uniform3i(GLint location, GLint v0, GLint v1, GLint v2);
-    void Uniform4i(GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
-    void Uniform1fv(GLint location, GLsizei count, const GLfloat* value);
-    void Uniform2fv(GLint location, GLsizei count, const GLfloat* value);
-    void Uniform3fv(GLint location, GLsizei count, const GLfloat* value);
-    void Uniform4fv(GLint location, GLsizei count, const GLfloat* value);
-    void Uniform1iv(GLint location, GLsizei count, const GLint* value);
-    void Uniform2iv(GLint location, GLsizei count, const GLint* value);
-    void Uniform3iv(GLint location, GLsizei count, const GLint* value);
-    void Uniform4iv(GLint location, GLsizei count, const GLint* value);
-    void UniformMatrix2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value);
-    void UniformMatrix3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value);
-    void UniformMatrix4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value);
-    GLuint GetUniformBlockIndex(GLuint program, const GLchar* uniformBlockName);
-    void UniformBlockBinding(GLuint program, GLuint uniformBlockIndex, GLuint uniformBlockBinding);
-    void GetActiveUniformBlockiv(GLuint program, GLuint uniformBlockIndex, GLenum pname, GLint* params);
-    void GetActiveUniformBlockName(GLuint program, GLuint uniformBlockIndex, GLsizei bufSize, GLsizei* length,
-                                   GLchar* uniformBlockName);
-    void BindFragDataLocation(GLuint program, GLuint colorNumber, const char* name);
-    GLint GetFragDataLocation(GLuint program, const char* name);
-    void ValidateProgram(GLuint program);
-} // namespace MobileGL::MG_Impl::GLImpl
+namespace MobileGL {
+    namespace MG_Impl::GLImpl {
+        void AttachShader(GLuint program, GLuint shader);
+        void BindAttribLocation(GLuint program, GLuint index, const GLchar* name);
+        void CompileShader(GLuint shader);
+        GLuint CreateProgram(void);
+        GLuint CreateShader(GLenum type);
+        void DeleteProgram(GLuint program);
+        void DeleteShader(GLuint shader);
+        void DetachShader(GLuint program, GLuint shader);
+        void GetActiveAttrib(GLuint program, GLuint index, GLsizei bufSize, GLsizei* length, GLint* size, GLenum* type,
+                             GLchar* name);
+        void GetActiveUniform(GLuint program, GLuint index, GLsizei bufSize, GLsizei* length, GLint* size, GLenum* type,
+                              GLchar* name);
+        void GetAttachedShaders(GLuint program, GLsizei maxCount, GLsizei* count, GLuint* shaders);
+        GLint GetAttribLocation(GLuint program, const GLchar* name);
+        void GetProgramiv(GLuint program, GLenum pname, GLint* params);
+        void GetProgramInfoLog(GLuint program, GLsizei bufSize, GLsizei* length, GLchar* infoLog);
+        void GetShaderiv(GLuint shader, GLenum pname, GLint* params);
+        void GetShaderInfoLog(GLuint shader, GLsizei bufSize, GLsizei* length, GLchar* infoLog);
+        void GetShaderSource(GLuint shader, GLsizei bufSize, GLsizei* length, GLchar* source);
+        GLint GetUniformLocation(GLuint program, const GLchar* name);
+        void GetUniformfv(GLuint program, GLint location, GLfloat* params);
+        void GetUniformiv(GLuint program, GLint location, GLint* params);
+        GLboolean IsProgram(GLuint program);
+        GLboolean IsShader(GLuint shader);
+        void LinkProgram(GLuint program);
+        void ShaderSource(GLuint shader, GLsizei count, const GLchar* const* string, const GLint* length);
+        void UseProgram(GLuint program);
+        void Uniform1f(GLint location, GLfloat v0);
+        void Uniform2f(GLint location, GLfloat v0, GLfloat v1);
+        void Uniform3f(GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
+        void Uniform4f(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
+        void Uniform1i(GLint location, GLint v0);
+        void Uniform2i(GLint location, GLint v0, GLint v1);
+        void Uniform3i(GLint location, GLint v0, GLint v1, GLint v2);
+        void Uniform4i(GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
+        void Uniform1fv(GLint location, GLsizei count, const GLfloat* value);
+        void Uniform2fv(GLint location, GLsizei count, const GLfloat* value);
+        void Uniform3fv(GLint location, GLsizei count, const GLfloat* value);
+        void Uniform4fv(GLint location, GLsizei count, const GLfloat* value);
+        void Uniform1iv(GLint location, GLsizei count, const GLint* value);
+        void Uniform2iv(GLint location, GLsizei count, const GLint* value);
+        void Uniform3iv(GLint location, GLsizei count, const GLint* value);
+        void Uniform4iv(GLint location, GLsizei count, const GLint* value);
+        void UniformMatrix2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value);
+        void UniformMatrix3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value);
+        void UniformMatrix4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value);
+        GLuint GetUniformBlockIndex(GLuint program, const GLchar* uniformBlockName);
+        void UniformBlockBinding(GLuint program, GLuint uniformBlockIndex, GLuint uniformBlockBinding);
+        void GetActiveUniformBlockiv(GLuint program, GLuint uniformBlockIndex, GLenum pname, GLint* params);
+        void GetActiveUniformBlockName(GLuint program, GLuint uniformBlockIndex, GLsizei bufSize, GLsizei* length,
+                                       GLchar* uniformBlockName);
+        void BindFragDataLocation(GLuint program, GLuint colorNumber, const char* name);
+        GLint GetFragDataLocation(GLuint program, const char* name);
+        void ValidateProgram(GLuint program);
+    } // namespace MG_Impl::GLImpl
+} // namespace MobileGL

MobileGL/MG_Impl/GLImpl/RenderState/GL_RenderState.cpp

@@ -7,467 +7,474 @@
 // End of Source File Header
 
 #include "GL_RenderState.h"
+#include "MG_State/GLState/RenderState/RenderState.h"
+#include "MG_Util/Converters/GLToStr/GLEnumConverter.h"
 #include <MG_State/GLState/Core.h>
-#include <MG_Util/Converters/GLToStr/GLEnumConverter.h>
 #include <MG_Util/Converters/GLToMG/RenderStateEnumConverter.h>
 #include <MG_Util/Converters/MGToGL/RenderStateEnumConverter.h>
 #include <MG_Util/Converters/MGToStr/RenderStateEnumConverter.h>
 
-namespace MobileGL::MG_Impl::GLImpl {
-    void Viewport_State(GLint x, GLint y, GLsizei width, GLsizei height) {
-        if (width < 0 || height < 0) {
-            MG_State::pGLContext->RecordError(ErrorCode::InvalidValue,
-                                              MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "Viewport_State",
-                                                                           "Width abd height must be non-negative."));
-            return;
+namespace MobileGL {
+    namespace MG_Impl::GLImpl {
+        void Viewport_State(GLint x, GLint y, GLsizei width, GLsizei height) {
+            if (width < 0 || height < 0) {
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidValue, MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "Viewport_State",
+                                                                          "Width abd height must be non-negative."));
+                return;
+            }
+
+            MG_State::pGLContext->SetViewport(IntVec4(x, y, width, height));
         }
 
-        MG_State::pGLContext->SetViewport(IntVec4(x, y, width, height));
-    }
-
-    void StencilOpSeparate_State(GLenum face, GLenum sfail, GLenum dpfail, GLenum dppass) {
-        // TODO: implement
-    }
-
-    void StencilOp_State(GLenum fail, GLenum zfail, GLenum zpass) {
-        // TODO: implement
-    }
-
-    void StencilMaskSeparate_State(GLenum face, GLuint mask) {
-        // TODO: implement
-    }
-
-    void StencilMask_State(GLuint mask) {
-        // TODO: implement
-    }
-
-    void StencilFuncSeparate_State(GLenum face, GLenum func, GLint ref, GLuint mask) {
-        // TODO: implement
-    }
-
-    void StencilFunc_State(GLenum func, GLint ref, GLuint mask) {
-        // TODO: implement
-    }
-
-    void Scissor_State(GLint x, GLint y, GLsizei width, GLsizei height) {
-        if (width < 0 || height < 0) {
-            MG_State::pGLContext->RecordError(ErrorCode::InvalidValue,
-                                              MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "Scissor_State",
-                                                                           "Width abd height must be non-negative."));
-            return;
+        void StencilOpSeparate_State(GLenum face, GLenum sfail, GLenum dpfail, GLenum dppass) {
+            // TODO: implement
         }
 
-        MG_State::pGLContext->SetScissorBox(IntVec4(x, y, width, height));
-    }
-
-    void SampleCoverage_State(GLfloat value, GLboolean invert) {
-        // TODO: implement
-    }
-
-    void PolygonOffset_State(GLfloat factor, GLfloat units) {
-        // TODO: implement
-    }
-
-    void PolygonMode_State(GLenum face, GLenum mode) {
-        // TODO: implement
-    }
-
-    void PointSize_State(GLfloat size) {
-        // TODO: implement
-    }
-
-    void PointParameterf_State(GLenum pname, GLfloat param) {
-        // TODO: implement
-    }
-
-    void PointParameteri_State(GLenum pname, GLint param) {
-        // TODO: implement
-    }
-
-    void PixelStorei_State(GLenum pname, GLint param) {
-        MGLOG_D("%s: %s = %d", __func__, MG_Util::ConvertGLEnumToString(pname).c_str(), param);
-        PixelStoreParam pixelStoreParam = MG_Util::ConvertGLEnumToPixelStoreParam(pname);
-        if (pixelStoreParam == PixelStoreParam::Unknown) {
-            MG_State::pGLContext->RecordError(
-                ErrorCode::InvalidEnum,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "PixelStorei_State",
-                                             "Pixel store param enum " +
-                                                 MG_Util::ConvertPixelStoreParamToString(pixelStoreParam) + "(" +
-                                                 MG_Util::ConvertGLEnumToString(pname) + ") is not supported."));
-            return;
+        void StencilOp_State(GLenum fail, GLenum zfail, GLenum zpass) {
+            // TODO: implement
         }
 
-        MG_State::pGLContext->SetPixelStoreParam(pixelStoreParam, param);
-    }
-
-    void LogicOp_State(GLenum opcode) {
-        // TODO: implement
-    }
-
-    void LineWidth_State(GLfloat width) {
-        // TODO: implement
-    }
-
-    GLboolean IsEnabledi_State(GLenum target, GLuint index) {
-        CapabilityInput capInput = MG_Util::ConvertGLEnumToCapabilityInput(target);
-        if (capInput == CapabilityInput::Unknown) {
-            MG_State::pGLContext->RecordError(
-                ErrorCode::InvalidEnum,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "IsEnabledi_State",
-                                             "Capability enum " + MG_Util::ConvertCapabilityInputToString(capInput) +
-                                                 "(" + MG_Util::ConvertGLEnumToString(target) + ") is not supported."));
-            return GL_FALSE;
+        void StencilMaskSeparate_State(GLenum face, GLuint mask) {
+            // TODO: implement
         }
 
-        return MG_State::pGLContext->IsCapabilityEnabledIndexed(capInput, index) ? GL_TRUE : GL_FALSE;
-    }
-
-    GLboolean IsEnabled_State(GLenum cap) {
-        CapabilityInput capInput = MG_Util::ConvertGLEnumToCapabilityInput(cap);
-        if (capInput == CapabilityInput::Unknown) {
-            MG_State::pGLContext->RecordError(
-                ErrorCode::InvalidEnum,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "IsEnabled_State",
-                                             "Capability enum " + MG_Util::ConvertCapabilityInputToString(capInput) +
-                                                 "(" + MG_Util::ConvertGLEnumToString(cap) + ") is not supported."));
-            return GL_FALSE;
+        void StencilMask_State(GLuint mask) {
+            // TODO: implement
         }
 
-        return MG_State::pGLContext->IsCapabilityEnabled(capInput) ? GL_TRUE : GL_FALSE;
-    }
-
-    void Hint_State(GLenum target, GLenum mode) {
-        // TODO: implement
-    }
-
-    void FrontFace_State(GLenum mode) {
-        // TODO: implement
-    }
-
-    void Enable_State(GLenum cap) {
-        CapabilityInput capInput = MG_Util::ConvertGLEnumToCapabilityInput(cap);
-        if (capInput == CapabilityInput::Unknown) {
-            MG_State::pGLContext->RecordError(
-                ErrorCode::InvalidEnum,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "Enable_State",
-                                             "Capability enum " + MG_Util::ConvertCapabilityInputToString(capInput) +
-                                                 "(" + MG_Util::ConvertGLEnumToString(cap) + ") is not supported."));
-            return;
+        void StencilFuncSeparate_State(GLenum face, GLenum func, GLint ref, GLuint mask) {
+            // TODO: implement
         }
 
-        MG_State::pGLContext->SetCapability(capInput, true);
-    }
-
-    void Disable_State(GLenum cap) {
-        CapabilityInput capInput = MG_Util::ConvertGLEnumToCapabilityInput(cap);
-        if (capInput == CapabilityInput::Unknown) {
-            MG_State::pGLContext->RecordError(
-                ErrorCode::InvalidEnum,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "Disable_State",
-                                             "Capability enum " + MG_Util::ConvertCapabilityInputToString(capInput) +
-                                                 "(" + MG_Util::ConvertGLEnumToString(cap) + ") is not supported."));
-            return;
+        void StencilFunc_State(GLenum func, GLint ref, GLuint mask) {
+            // TODO: implement
         }
 
-        MG_State::pGLContext->SetCapability(capInput, false);
-    }
+        void Scissor_State(GLint x, GLint y, GLsizei width, GLsizei height) {
+            if (width < 0 || height < 0) {
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidValue, MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "Scissor_State",
+                                                                          "Width abd height must be non-negative."));
+                return;
+            }
 
-    void DepthRange_State(GLclampd near_val, GLclampd far_val) {
-        // TODO: implement
-    }
-
-    void DepthMask_State(GLboolean flag) {
-        MG_State::pGLContext->SetDepthMask(flag == GL_TRUE);
-    }
-
-    void DepthFunc_State(GLenum func) {
-        DepthTestFunc depthFunc = MG_Util::ConvertGLEnumToDepthTestFunc(func);
-        if (depthFunc == DepthTestFunc::Unknown) {
-            MG_State::pGLContext->RecordError(
-                ErrorCode::InvalidEnum,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "DepthFunc_State",
-                                             "Depth function enum " + MG_Util::ConvertDepthTestFuncToString(depthFunc) +
-                                                 "(" + MG_Util::ConvertGLEnumToString(func) + ") is not supported."));
-            return;
+            MG_State::pGLContext->SetScissorBox(IntVec4(x, y, width, height));
         }
 
-        MG_State::pGLContext->SetDepthFunc(depthFunc);
-    }
-
-    void CullFace_State(GLenum mode) {
-        CullFaceMode cullFaceMode = MG_Util::ConvertGLEnumToCullFaceMode(mode);
-        if (cullFaceMode == CullFaceMode::Unknown) {
-            MG_State::pGLContext->RecordError(
-                ErrorCode::InvalidEnum,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "CullFace_State",
-                                             "Cull face mode enum " +
-                                                 MG_Util::ConvertCullFaceModeToString(cullFaceMode) + "(" +
-                                                 MG_Util::ConvertGLEnumToString(mode) + ") is not supported."));
-            return;
+        void SampleCoverage_State(GLfloat value, GLboolean invert) {
+            // TODO: implement
         }
 
-        MG_State::pGLContext->SetCullFaceMode(cullFaceMode);
-    }
-
-    void ColorMask_State(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha) {
-        MG_State::pGLContext->SetColorMask(
-            BoolVec4(red == GL_TRUE, green == GL_TRUE, blue == GL_TRUE, alpha == GL_TRUE));
-    }
-
-    void ClampColor_State(GLenum target, GLenum clamp) {
-        // TODO: implement
-    }
-
-    void BlendFuncSeparate_State(GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha) {
-        BlendFactor srcRGB = MG_Util::ConvertGLEnumToBlendFactor(sfactorRGB);
-        BlendFactor dstRGB = MG_Util::ConvertGLEnumToBlendFactor(dfactorRGB);
-        BlendFactor srcAlpha = MG_Util::ConvertGLEnumToBlendFactor(sfactorAlpha);
-        BlendFactor dstAlpha = MG_Util::ConvertGLEnumToBlendFactor(dfactorAlpha);
-
-        if (srcRGB == BlendFactor::Unknown || dstRGB == BlendFactor::Unknown || srcAlpha == BlendFactor::Unknown ||
-            dstAlpha == BlendFactor::Unknown) {
-            MG_State::pGLContext->RecordError(
-                ErrorCode::InvalidEnum,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "BlendFuncSeparate_State",
-                                             "One of the blend factor enums is not supported: srcRGB " +
-                                                 MG_Util::ConvertBlendFactorToString(srcRGB) + "(" +
-                                                 MG_Util::ConvertGLEnumToString(sfactorRGB) + "), dstRGB " +
-                                                 MG_Util::ConvertBlendFactorToString(dstRGB) + "(" +
-                                                 MG_Util::ConvertGLEnumToString(dfactorRGB) + "), srcAlpha " +
-                                                 MG_Util::ConvertBlendFactorToString(srcAlpha) + "(" +
-                                                 MG_Util::ConvertGLEnumToString(sfactorAlpha) + "), dstAlpha " +
-                                                 MG_Util::ConvertBlendFactorToString(dstAlpha) + "(" +
-                                                 MG_Util::ConvertGLEnumToString(dfactorAlpha) + ")."));
-            return;
+        void PolygonOffset_State(GLfloat factor, GLfloat units) {
+            // TODO: implement
         }
 
-        MG_State::pGLContext->SetBlendFunc(srcRGB, dstRGB, srcAlpha, dstAlpha);
-    }
-
-    void BlendFunc_State(GLenum sfactor, GLenum dfactor) {
-        BlendFuncSeparate_State(sfactor, dfactor, sfactor, dfactor);
-    }
-
-    void BlendEquation_State(GLenum mode) {
-        // TODO: implement
-    }
-
-    void BlendColor_State(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha) {
-        // TODO: implement
-    }
-
-    void ClearStencil_State(GLint s) {
-        MG_State::pGLContext->SetClearStencil(static_cast<Int>(s));
-    }
-
-    void ClearDepth_State(GLclampd depth) {
-        MG_State::pGLContext->SetClearDepth(static_cast<Float>(depth));
-    }
-
-    void ClearColor_State(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha) {
-        MG_State::pGLContext->SetClearColor(FloatVec4(red, green, blue, alpha));
-    }
-
-    void BlendFuncSeparatei_State(GLuint buf, GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha) {
-        if (buf >= MG_State::GLState::FramebufferObject::MAX_DRAW_BUFFERS) {
-            MG_State::pGLContext->RecordError(
-                ErrorCode::InvalidValue,
-                MakeUnique<GenericErrorInfo>(
-                    "MG_Impl/GLImpl", "BlendFuncSeparatei_State",
-                    "Buffer index " + std::to_string(buf) + " is out of range. Max supported is " +
-                        std::to_string(MG_State::GLState::FramebufferObject::MAX_DRAW_BUFFERS - 1) + "."));
-            return;
+        void PolygonMode_State(GLenum face, GLenum mode) {
+            // TODO: implement
         }
 
-        BlendFactor srcRGBM = MG_Util::ConvertGLEnumToBlendFactor(srcRGB);
-        BlendFactor dstRGBM = MG_Util::ConvertGLEnumToBlendFactor(dstRGB);
-        BlendFactor srcAlphaM = MG_Util::ConvertGLEnumToBlendFactor(srcAlpha);
-        BlendFactor dstAlphaM = MG_Util::ConvertGLEnumToBlendFactor(dstAlpha);
-        MG_State::pGLContext->SetBlendFuncIndexed(buf, srcRGBM, dstRGBM, srcAlphaM, dstAlphaM);
-    }
-
-    void Disablei_State(GLenum target, GLuint index) {
-        auto capInput = MG_Util::ConvertGLEnumToCapabilityInput(target);
-        if (capInput == CapabilityInput::Unknown) {
-            MG_State::pGLContext->RecordError(
-                ErrorCode::InvalidEnum,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "Disablei_State",
-                                             "Capability enum " + MG_Util::ConvertCapabilityInputToString(capInput) +
-                                                 "(" + MG_Util::ConvertGLEnumToString(target) + ") is not supported."));
-            return;
+        void PointSize_State(GLfloat size) {
+            // TODO: implement
         }
 
-        MG_State::pGLContext->SetCapabilityIndexed(capInput, index, false);
-    }
-
-    void Enablei_State(GLenum target, GLuint index) {
-        auto capInput = MG_Util::ConvertGLEnumToCapabilityInput(target);
-        if (capInput == CapabilityInput::Unknown) {
-            MG_State::pGLContext->RecordError(
-                ErrorCode::InvalidEnum,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "Enablei_State",
-                                             "Capability enum " + MG_Util::ConvertCapabilityInputToString(capInput) +
-                                                 "(" + MG_Util::ConvertGLEnumToString(target) + ") is not supported."));
-            return;
+        void PointParameterf_State(GLenum pname, GLfloat param) {
+            // TODO: implement
         }
 
-        MG_State::pGLContext->SetCapabilityIndexed(capInput, index, true);
-    }
+        void PointParameteri_State(GLenum pname, GLint param) {
+            // TODO: implement
+        }
 
-    /* @INSERTION_POINT:FUNCTION_IMPLEMENTATION@ */
-    void BlendFuncSeparatei(GLuint buf, GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha) {
-        BlendFuncSeparatei_State(buf, srcRGB, dstRGB, srcAlpha, dstAlpha);
-    }
+        void PixelStorei_State(GLenum pname, GLint param) {
+            MGLOG_D("%s: %s = %d", __func__, MG_Util::ConvertGLEnumToString(pname).c_str(), param);
+            PixelStoreParam pixelStoreParam = MG_Util::ConvertGLEnumToPixelStoreParam(pname);
+            if (pixelStoreParam == PixelStoreParam::Unknown) {
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidEnum,
+                    MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "PixelStorei_State",
+                                                 "Pixel store param enum " +
+                                                     MG_Util::ConvertPixelStoreParamToString(pixelStoreParam) + "(" +
+                                                     MG_Util::ConvertGLEnumToString(pname) + ") is not supported."));
+                return;
+            }
 
-    void Disablei(GLenum target, GLuint index) {
-        Disablei_State(target, index);
-    }
+            MG_State::pGLContext->SetPixelStoreParam(pixelStoreParam, param);
+        }
 
-    void Enablei(GLenum target, GLuint index) {
-        Enablei_State(target, index);
-    }
+        void LogicOp_State(GLenum opcode) {
+            // TODO: implement
+        }
 
-    void BlendFunc(GLenum sfactor, GLenum dfactor) {
-        BlendFunc_State(sfactor, dfactor);
-    }
+        void LineWidth_State(GLfloat width) {
+            // TODO: implement
+        }
 
-    void Viewport(GLint x, GLint y, GLsizei width, GLsizei height) {
-        Viewport_State(x, y, width, height);
-    }
+        GLboolean IsEnabledi_State(GLenum target, GLuint index) {
+            CapabilityInput capInput = MG_Util::ConvertGLEnumToCapabilityInput(target);
+            if (capInput == CapabilityInput::Unknown) {
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidEnum,
+                    MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "IsEnabledi_State",
+                                                 "Capability enum " +
+                                                     MG_Util::ConvertCapabilityInputToString(capInput) + "(" +
+                                                     MG_Util::ConvertGLEnumToString(target) + ") is not supported."));
+                return GL_FALSE;
+            }
 
-    void StencilOpSeparate(GLenum face, GLenum sfail, GLenum dpfail, GLenum dppass) {
-        StencilOpSeparate_State(face, sfail, dpfail, dppass);
-    }
+            return MG_State::pGLContext->IsCapabilityEnabledIndexed(capInput, index) ? GL_TRUE : GL_FALSE;
+        }
 
-    void StencilOp(GLenum fail, GLenum zfail, GLenum zpass) {
-        StencilOp_State(fail, zfail, zpass);
-    }
+        GLboolean IsEnabled_State(GLenum cap) {
+            CapabilityInput capInput = MG_Util::ConvertGLEnumToCapabilityInput(cap);
+            if (capInput == CapabilityInput::Unknown) {
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidEnum, MakeShared<GenericErrorInfo>(
+                                                "MG_Impl/GLImpl", "IsEnabled_State",
+                                                "Capability enum " + MG_Util::ConvertCapabilityInputToString(capInput) +
+                                                    "(" + MG_Util::ConvertGLEnumToString(cap) + ") is not supported."));
+                return GL_FALSE;
+            }
 
-    void StencilMaskSeparate(GLenum face, GLuint mask) {
-        StencilMaskSeparate_State(face, mask);
-    }
+            return MG_State::pGLContext->IsCapabilityEnabled(capInput) ? GL_TRUE : GL_FALSE;
+        }
 
-    void StencilMask(GLuint mask) {
-        StencilMask_State(mask);
-    }
+        void Hint_State(GLenum target, GLenum mode) {
+            // TODO: implement
+        }
 
-    void StencilFuncSeparate(GLenum face, GLenum func, GLint ref, GLuint mask) {
-        StencilFuncSeparate_State(face, func, ref, mask);
-    }
+        void FrontFace_State(GLenum mode) {
+            // TODO: implement
+        }
 
-    void StencilFunc(GLenum func, GLint ref, GLuint mask) {
-        StencilFunc_State(func, ref, mask);
-    }
+        void Enable_State(GLenum cap) {
+            CapabilityInput capInput = MG_Util::ConvertGLEnumToCapabilityInput(cap);
+            if (capInput == CapabilityInput::Unknown) {
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidEnum, MakeShared<GenericErrorInfo>(
+                                                "MG_Impl/GLImpl", "Enable_State",
+                                                "Capability enum " + MG_Util::ConvertCapabilityInputToString(capInput) +
+                                                    "(" + MG_Util::ConvertGLEnumToString(cap) + ") is not supported."));
+                return;
+            }
 
-    void Scissor(GLint x, GLint y, GLsizei width, GLsizei height) {
-        Scissor_State(x, y, width, height);
-    }
+            MG_State::pGLContext->SetCapability(capInput, true);
+        }
 
-    void SampleCoverage(GLfloat value, GLboolean invert) {
-        SampleCoverage_State(value, invert);
-    }
+        void Disable_State(GLenum cap) {
+            CapabilityInput capInput = MG_Util::ConvertGLEnumToCapabilityInput(cap);
+            if (capInput == CapabilityInput::Unknown) {
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidEnum, MakeShared<GenericErrorInfo>(
+                                                "MG_Impl/GLImpl", "Disable_State",
+                                                "Capability enum " + MG_Util::ConvertCapabilityInputToString(capInput) +
+                                                    "(" + MG_Util::ConvertGLEnumToString(cap) + ") is not supported."));
+                return;
+            }
 
-    void PolygonOffset(GLfloat factor, GLfloat units) {
-        PolygonOffset_State(factor, units);
-    }
+            MG_State::pGLContext->SetCapability(capInput, false);
+        }
 
-    void PolygonMode(GLenum face, GLenum mode) {
-        PolygonMode_State(face, mode);
-    }
+        void DepthRange_State(GLclampd near_val, GLclampd far_val) {
+            // TODO: implement
+        }
 
-    void PointSize(GLfloat size) {
-        PointSize_State(size);
-    }
+        void DepthMask_State(GLboolean flag) {
+            MG_State::pGLContext->SetDepthMask(flag == GL_TRUE);
+        }
 
-    void PointParameterf(GLenum pname, GLfloat param) {
-        PointParameterf_State(pname, param);
-    }
+        void DepthFunc_State(GLenum func) {
+            DepthTestFunc depthFunc = MG_Util::ConvertGLEnumToDepthTestFunc(func);
+            if (depthFunc == DepthTestFunc::Unknown) {
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidEnum,
+                    MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "DepthFunc_State",
+                                                 "Depth function enum " +
+                                                     MG_Util::ConvertDepthTestFuncToString(depthFunc) + "(" +
+                                                     MG_Util::ConvertGLEnumToString(func) + ") is not supported."));
+                return;
+            }
 
-    void PointParameteri(GLenum pname, GLint param) {
-        PointParameteri_State(pname, param);
-    }
+            MG_State::pGLContext->SetDepthFunc(depthFunc);
+        }
 
-    void PixelStorei(GLenum pname, GLint param) {
-        PixelStorei_State(pname, param);
-    }
+        void CullFace_State(GLenum mode) {
+            CullFaceMode cullFaceMode = MG_Util::ConvertGLEnumToCullFaceMode(mode);
+            if (cullFaceMode == CullFaceMode::Unknown) {
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidEnum,
+                    MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "CullFace_State",
+                                                 "Cull face mode enum " +
+                                                     MG_Util::ConvertCullFaceModeToString(cullFaceMode) + "(" +
+                                                     MG_Util::ConvertGLEnumToString(mode) + ") is not supported."));
+                return;
+            }
 
-    void LogicOp(GLenum opcode) {
-        LogicOp_State(opcode);
-    }
+            MG_State::pGLContext->SetCullFaceMode(cullFaceMode);
+        }
 
-    void LineWidth(GLfloat width) {
-        LineWidth_State(width);
-    }
+        void ColorMask_State(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha) {
+            MG_State::pGLContext->SetColorMask(
+                BoolVec4(red == GL_TRUE, green == GL_TRUE, blue == GL_TRUE, alpha == GL_TRUE));
+        }
 
-    GLboolean IsEnabledi(GLenum target, GLuint index) {
-        return IsEnabledi_State(target, index);
-    }
+        void ClampColor_State(GLenum target, GLenum clamp) {
+            // TODO: implement
+        }
 
-    GLboolean IsEnabled(GLenum cap) {
-        return IsEnabled_State(cap);
-    }
+        void BlendFuncSeparate_State(GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha) {
+            BlendFactor srcRGB = MG_Util::ConvertGLEnumToBlendFactor(sfactorRGB);
+            BlendFactor dstRGB = MG_Util::ConvertGLEnumToBlendFactor(dfactorRGB);
+            BlendFactor srcAlpha = MG_Util::ConvertGLEnumToBlendFactor(sfactorAlpha);
+            BlendFactor dstAlpha = MG_Util::ConvertGLEnumToBlendFactor(dfactorAlpha);
 
-    void Hint(GLenum target, GLenum mode) {
-        Hint_State(target, mode);
-    }
+            if (srcRGB == BlendFactor::Unknown || dstRGB == BlendFactor::Unknown || srcAlpha == BlendFactor::Unknown ||
+                dstAlpha == BlendFactor::Unknown) {
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidEnum,
+                    MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "BlendFuncSeparate_State",
+                                                 "One of the blend factor enums is not supported: srcRGB " +
+                                                     MG_Util::ConvertBlendFactorToString(srcRGB) + "(" +
+                                                     MG_Util::ConvertGLEnumToString(sfactorRGB) + "), dstRGB " +
+                                                     MG_Util::ConvertBlendFactorToString(dstRGB) + "(" +
+                                                     MG_Util::ConvertGLEnumToString(dfactorRGB) + "), srcAlpha " +
+                                                     MG_Util::ConvertBlendFactorToString(srcAlpha) + "(" +
+                                                     MG_Util::ConvertGLEnumToString(sfactorAlpha) + "), dstAlpha " +
+                                                     MG_Util::ConvertBlendFactorToString(dstAlpha) + "(" +
+                                                     MG_Util::ConvertGLEnumToString(dfactorAlpha) + ")."));
+                return;
+            }
 
-    void FrontFace(GLenum mode) {
-        FrontFace_State(mode);
-    }
+            MG_State::pGLContext->SetBlendFunc(srcRGB, dstRGB, srcAlpha, dstAlpha);
+        }
 
-    void Enable(GLenum cap) {
-        Enable_State(cap);
-    }
+        void BlendFunc_State(GLenum sfactor, GLenum dfactor) {
+            BlendFuncSeparate_State(sfactor, dfactor, sfactor, dfactor);
+        }
 
-    void Disable(GLenum cap) {
-        Disable_State(cap);
-    }
+        void BlendEquation_State(GLenum mode) {
+            // TODO: implement
+        }
 
-    void DepthRange(GLclampd near_val, GLclampd far_val) {
-        DepthRange_State(near_val, far_val);
-    }
+        void BlendColor_State(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha) {
+            // TODO: implement
+        }
 
-    void DepthMask(GLboolean flag) {
-        DepthMask_State(flag);
-    }
+        void ClearStencil_State(GLint s) {
+            // TODO: implement
+        }
 
-    void DepthFunc(GLenum func) {
-        DepthFunc_State(func);
-    }
+        void ClearDepth_State(GLclampd depth) {
+            MG_State::pGLContext->SetClearDepth(static_cast<Float>(depth));
+        }
 
-    void CullFace(GLenum mode) {
-        CullFace_State(mode);
-    }
+        void ClearColor_State(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha) {
+            MG_State::pGLContext->SetClearColor(FloatVec4(red, green, blue, alpha));
+        }
 
-    void ColorMask(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha) {
-        ColorMask_State(red, green, blue, alpha);
-    }
+        void BlendFuncSeparatei_State(GLuint buf, GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha) {
+            if (buf >= MG_State::GLState::FramebufferObject::MAX_DRAW_BUFFERS) {
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidValue,
+                    MakeShared<GenericErrorInfo>(
+                        "MG_Impl/GLImpl", "BlendFuncSeparatei_State",
+                        "Buffer index " + std::to_string(buf) + " is out of range. Max supported is " +
+                            std::to_string(MG_State::GLState::FramebufferObject::MAX_DRAW_BUFFERS - 1) + "."));
+                return;
+            }
 
-    void ClampColor(GLenum target, GLenum clamp) {
-        ClampColor_State(target, clamp);
-    }
+            BlendFactor srcRGBM = MG_Util::ConvertGLEnumToBlendFactor(srcRGB);
+            BlendFactor dstRGBM = MG_Util::ConvertGLEnumToBlendFactor(dstRGB);
+            BlendFactor srcAlphaM = MG_Util::ConvertGLEnumToBlendFactor(srcAlpha);
+            BlendFactor dstAlphaM = MG_Util::ConvertGLEnumToBlendFactor(dstAlpha);
+            MG_State::pGLContext->SetBlendFuncIndexed(buf, srcRGBM, dstRGBM, srcAlphaM, dstAlphaM);
+        }
 
-    void BlendFuncSeparate(GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha) {
-        BlendFuncSeparate_State(sfactorRGB, dfactorRGB, sfactorAlpha, dfactorAlpha);
-    }
+        void Disablei_State(GLenum target, GLuint index) {
+            auto capInput = MG_Util::ConvertGLEnumToCapabilityInput(target);
+            if (capInput == CapabilityInput::Unknown) {
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidEnum,
+                    MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "Disablei_State",
+                                                 "Capability enum " +
+                                                     MG_Util::ConvertCapabilityInputToString(capInput) + "(" +
+                                                     MG_Util::ConvertGLEnumToString(target) + ") is not supported."));
+                return;
+            }
 
-    void BlendEquation(GLenum mode) {
-        BlendEquation_State(mode);
-    }
+            MG_State::pGLContext->SetCapabilityIndexed(capInput, index, false);
+        }
 
-    void BlendColor(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha) {
-        BlendColor_State(red, green, blue, alpha);
-    }
+        void Enablei_State(GLenum target, GLuint index) {
+            auto capInput = MG_Util::ConvertGLEnumToCapabilityInput(target);
+            if (capInput == CapabilityInput::Unknown) {
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidEnum,
+                    MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "Enablei_State",
+                                                 "Capability enum " +
+                                                     MG_Util::ConvertCapabilityInputToString(capInput) + "(" +
+                                                     MG_Util::ConvertGLEnumToString(target) + ") is not supported."));
+                return;
+            }
 
-    void ClearStencil(GLint s) {
-        ClearStencil_State(s);
-    }
+            MG_State::pGLContext->SetCapabilityIndexed(capInput, index, true);
+        }
 
-    void ClearDepth(GLclampd depth) {
-        ClearDepth_State(depth);
-    }
+        /* @INSERTION_POINT:FUNCTION_IMPLEMENTATION@ */
+        void BlendFuncSeparatei(GLuint buf, GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha) {
+            BlendFuncSeparatei_State(buf, srcRGB, dstRGB, srcAlpha, dstAlpha);
+        }
 
-    void ClearColor(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha) {
-        ClearColor_State(red, green, blue, alpha);
-    }
-} // namespace MobileGL::MG_Impl::GLImpl
+        void Disablei(GLenum target, GLuint index) {
+            Disablei_State(target, index);
+        }
+
+        void Enablei(GLenum target, GLuint index) {
+            Enablei_State(target, index);
+        }
+
+        void BlendFunc(GLenum sfactor, GLenum dfactor) {
+            BlendFunc_State(sfactor, dfactor);
+        }
+
+        void Viewport(GLint x, GLint y, GLsizei width, GLsizei height) {
+            Viewport_State(x, y, width, height);
+        }
+
+        void StencilOpSeparate(GLenum face, GLenum sfail, GLenum dpfail, GLenum dppass) {
+            StencilOpSeparate_State(face, sfail, dpfail, dppass);
+        }
+
+        void StencilOp(GLenum fail, GLenum zfail, GLenum zpass) {
+            StencilOp_State(fail, zfail, zpass);
+        }
+
+        void StencilMaskSeparate(GLenum face, GLuint mask) {
+            StencilMaskSeparate_State(face, mask);
+        }
+
+        void StencilMask(GLuint mask) {
+            StencilMask_State(mask);
+        }
+
+        void StencilFuncSeparate(GLenum face, GLenum func, GLint ref, GLuint mask) {
+            StencilFuncSeparate_State(face, func, ref, mask);
+        }
+
+        void StencilFunc(GLenum func, GLint ref, GLuint mask) {
+            StencilFunc_State(func, ref, mask);
+        }
+
+        void Scissor(GLint x, GLint y, GLsizei width, GLsizei height) {
+            Scissor_State(x, y, width, height);
+        }
+
+        void SampleCoverage(GLfloat value, GLboolean invert) {
+            SampleCoverage_State(value, invert);
+        }
+
+        void PolygonOffset(GLfloat factor, GLfloat units) {
+            PolygonOffset_State(factor, units);
+        }
+
+        void PolygonMode(GLenum face, GLenum mode) {
+            PolygonMode_State(face, mode);
+        }
+
+        void PointSize(GLfloat size) {
+            PointSize_State(size);
+        }
+
+        void PointParameterf(GLenum pname, GLfloat param) {
+            PointParameterf_State(pname, param);
+        }
+
+        void PointParameteri(GLenum pname, GLint param) {
+            PointParameteri_State(pname, param);
+        }
+
+        void PixelStorei(GLenum pname, GLint param) {
+            PixelStorei_State(pname, param);
+        }
+
+        void LogicOp(GLenum opcode) {
+            LogicOp_State(opcode);
+        }
+
+        void LineWidth(GLfloat width) {
+            LineWidth_State(width);
+        }
+
+        GLboolean IsEnabledi(GLenum target, GLuint index) {
+            return IsEnabledi_State(target, index);
+        }
+
+        GLboolean IsEnabled(GLenum cap) {
+            return IsEnabled_State(cap);
+        }
+
+        void Hint(GLenum target, GLenum mode) {
+            Hint_State(target, mode);
+        }
+
+        void FrontFace(GLenum mode) {
+            FrontFace_State(mode);
+        }
+
+        void Enable(GLenum cap) {
+            Enable_State(cap);
+        }
+
+        void Disable(GLenum cap) {
+            Disable_State(cap);
+        }
+
+        void DepthRange(GLclampd near_val, GLclampd far_val) {
+            DepthRange_State(near_val, far_val);
+        }
+
+        void DepthMask(GLboolean flag) {
+            DepthMask_State(flag);
+        }
+
+        void DepthFunc(GLenum func) {
+            DepthFunc_State(func);
+        }
+
+        void CullFace(GLenum mode) {
+            CullFace_State(mode);
+        }
+
+        void ColorMask(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha) {
+            ColorMask_State(red, green, blue, alpha);
+        }
+
+        void ClampColor(GLenum target, GLenum clamp) {
+            ClampColor_State(target, clamp);
+        }
+
+        void BlendFuncSeparate(GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha) {
+            BlendFuncSeparate_State(sfactorRGB, dfactorRGB, sfactorAlpha, dfactorAlpha);
+        }
+
+        void BlendEquation(GLenum mode) {
+            BlendEquation_State(mode);
+        }
+
+        void BlendColor(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha) {
+            BlendColor_State(red, green, blue, alpha);
+        }
+
+        void ClearStencil(GLint s) {
+            ClearStencil_State(s);
+        }
+
+        void ClearDepth(GLclampd depth) {
+            ClearDepth_State(depth);
+        }
+
+        void ClearColor(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha) {
+            ClearColor_State(red, green, blue, alpha);
+        }
+    } // namespace MG_Impl::GLImpl
+} // namespace MobileGL

MobileGL/MG_Impl/GLImpl/RenderState/GL_RenderState.h

@@ -9,45 +9,47 @@
 #pragma once
 #include <Includes.h>
 
-namespace MobileGL::MG_Impl::GLImpl {
-    /* @INSERTION_POINT:FUNCTION_DECLARATION@ */
-    void BlendFuncSeparatei(GLuint buf, GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha);
-    void Disablei(GLenum target, GLuint index);
-    void Enablei(GLenum target, GLuint index);
-    void BlendFunc(GLenum sfactor, GLenum dfactor);
-    void Viewport(GLint x, GLint y, GLsizei width, GLsizei height);
-    void StencilOpSeparate(GLenum face, GLenum sfail, GLenum dpfail, GLenum dppass);
-    void StencilOp(GLenum fail, GLenum zfail, GLenum zpass);
-    void StencilMaskSeparate(GLenum face, GLuint mask);
-    void StencilMask(GLuint mask);
-    void StencilFuncSeparate(GLenum face, GLenum func, GLint ref, GLuint mask);
-    void StencilFunc(GLenum func, GLint ref, GLuint mask);
-    void Scissor(GLint x, GLint y, GLsizei width, GLsizei height);
-    void SampleCoverage(GLfloat value, GLboolean invert);
-    void PolygonOffset(GLfloat factor, GLfloat units);
-    void PolygonMode(GLenum face, GLenum mode);
-    void PointSize(GLfloat size);
-    void PointParameterf(GLenum pname, GLfloat param);
-    void PointParameteri(GLenum pname, GLint param);
-    void PixelStorei(GLenum pname, GLint param);
-    void LogicOp(GLenum opcode);
-    void LineWidth(GLfloat width);
-    GLboolean IsEnabledi(GLenum target, GLuint index);
-    GLboolean IsEnabled(GLenum cap);
-    void Hint(GLenum target, GLenum mode);
-    void FrontFace(GLenum mode);
-    void Enable(GLenum cap);
-    void Disable(GLenum cap);
-    void DepthRange(GLclampd near_val, GLclampd far_val);
-    void DepthMask(GLboolean flag);
-    void DepthFunc(GLenum func);
-    void CullFace(GLenum mode);
-    void ColorMask(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
-    void ClampColor(GLenum target, GLenum clamp);
-    void BlendFuncSeparate(GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha);
-    void BlendEquation(GLenum mode);
-    void BlendColor(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
-    void ClearStencil(GLint s);
-    void ClearDepth(GLclampd depth);
-    void ClearColor(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
-} // namespace MobileGL::MG_Impl::GLImpl
+namespace MobileGL {
+    namespace MG_Impl::GLImpl {
+        /* @INSERTION_POINT:FUNCTION_DECLARATION@ */
+        void BlendFuncSeparatei(GLuint buf, GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha);
+        void Disablei(GLenum target, GLuint index);
+        void Enablei(GLenum target, GLuint index);
+        void BlendFunc(GLenum sfactor, GLenum dfactor);
+        void Viewport(GLint x, GLint y, GLsizei width, GLsizei height);
+        void StencilOpSeparate(GLenum face, GLenum sfail, GLenum dpfail, GLenum dppass);
+        void StencilOp(GLenum fail, GLenum zfail, GLenum zpass);
+        void StencilMaskSeparate(GLenum face, GLuint mask);
+        void StencilMask(GLuint mask);
+        void StencilFuncSeparate(GLenum face, GLenum func, GLint ref, GLuint mask);
+        void StencilFunc(GLenum func, GLint ref, GLuint mask);
+        void Scissor(GLint x, GLint y, GLsizei width, GLsizei height);
+        void SampleCoverage(GLfloat value, GLboolean invert);
+        void PolygonOffset(GLfloat factor, GLfloat units);
+        void PolygonMode(GLenum face, GLenum mode);
+        void PointSize(GLfloat size);
+        void PointParameterf(GLenum pname, GLfloat param);
+        void PointParameteri(GLenum pname, GLint param);
+        void PixelStorei(GLenum pname, GLint param);
+        void LogicOp(GLenum opcode);
+        void LineWidth(GLfloat width);
+        GLboolean IsEnabledi(GLenum target, GLuint index);
+        GLboolean IsEnabled(GLenum cap);
+        void Hint(GLenum target, GLenum mode);
+        void FrontFace(GLenum mode);
+        void Enable(GLenum cap);
+        void Disable(GLenum cap);
+        void DepthRange(GLclampd near_val, GLclampd far_val);
+        void DepthMask(GLboolean flag);
+        void DepthFunc(GLenum func);
+        void CullFace(GLenum mode);
+        void ColorMask(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
+        void ClampColor(GLenum target, GLenum clamp);
+        void BlendFuncSeparate(GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha);
+        void BlendEquation(GLenum mode);
+        void BlendColor(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
+        void ClearStencil(GLint s);
+        void ClearDepth(GLclampd depth);
+        void ClearColor(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
+    } // namespace MG_Impl::GLImpl
+} // namespace MobileGL

MobileGL/MG_Impl/GLImpl/Sampler/GL_Sampler.cpp

@@ -12,258 +12,254 @@
 #include <MG_Util/Converters/GLToMG/TextureEnumConverter.h>
 #include <MG_Util/Converters/MGToGL/TextureEnumConverter.h>
 
-namespace MobileGL::MG_Impl::GLImpl {
-    void SetSamplerParam_State(GLuint sampler, GLenum pname, const void* param, bool isFloat, bool isInteger) {
-        if (!SamplerImpl::ValidateSamplerName(sampler)) return;
-
-        Bool doesSamplerObjectCreated = MG_State::pGLContext->ValidateSamplerObject(sampler);
-        if (!doesSamplerObjectCreated) {
-            // Create one for compatibility
-            MG_State::pGLContext->CreateSamplerObject(sampler);
-        }
-        auto& samplerObj = MG_State::pGLContext->GetSamplerObject(sampler);
-        if (!SamplerImpl::ValidateSamplerObject(sampler)) return;
-
-        using namespace MG_Util;
-        switch (pname) {
-        case GL_TEXTURE_WRAP_S:
-            samplerObj->SetWrapS(MG_Util::ConvertGLEnumToSamplerWrapMode(*(const GLint*)param));
-            break;
-        case GL_TEXTURE_WRAP_T:
-            samplerObj->SetWrapT(MG_Util::ConvertGLEnumToSamplerWrapMode(*(const GLint*)param));
-            break;
-        case GL_TEXTURE_WRAP_R:
-            samplerObj->SetWrapR(MG_Util::ConvertGLEnumToSamplerWrapMode(*(const GLint*)param));
-            break;
-        case GL_TEXTURE_MIN_FILTER:
-            samplerObj->SetMinFilter(MG_Util::ConvertGLEnumToSamplerFilterMode(*(const GLint*)param));
-            samplerObj->SetMipmapMode(MG_Util::ConvertGLEnumToSamplerMipmapMode(*(const GLint*)param));
-            break;
-        case GL_TEXTURE_MAG_FILTER:
-            samplerObj->SetMagFilter(MG_Util::ConvertGLEnumToSamplerFilterMode(*(const GLint*)param));
-            break;
-        case GL_TEXTURE_MIN_LOD:
-            samplerObj->SetLodRange(*(const GLfloat*)param, samplerObj->GetMaxLod());
-            break;
-        case GL_TEXTURE_MAX_LOD:
-            samplerObj->SetLodRange(samplerObj->GetMinLod(), *(const GLfloat*)param);
-            break;
-        case GL_TEXTURE_LOD_BIAS:
-            samplerObj->SetLodBias(*(const GLfloat*)param);
-            break;
-        case GL_TEXTURE_COMPARE_MODE:
-            samplerObj->SetCompareMode(MG_Util::ConvertGLEnumToSamplerCompareMode(*(const GLint*)param));
-            break;
-        case GL_TEXTURE_COMPARE_FUNC:
-            samplerObj->SetSamplerCompareFunc(MG_Util::ConvertGLEnumToSamplerCompareFunc(*(const GLint*)param));
-            break;
-        default:
-            MG_State::pGLContext->RecordError(ErrorCode::InvalidEnum,
-                                              MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "SetSamplerParam_State",
-                                                                           "Invalid pname for sampler parameter"));
-        }
-    }
-
-    void GetSamplerParam_State(GLuint sampler, GLenum pname, void* params, bool isFloat, bool isInteger) {
-        if (!SamplerImpl::ValidateSamplerName(sampler)) return;
-
-        Bool doesSamplerObjectCreated = MG_State::pGLContext->ValidateSamplerObject(sampler);
-        if (!doesSamplerObjectCreated) {
-            // Create one for compatibility
-            MG_State::pGLContext->CreateSamplerObject(sampler);
-        }
-        auto& samplerObj = MG_State::pGLContext->GetSamplerObject(sampler);
-        if (!SamplerImpl::ValidateSamplerObject(sampler)) return;
-
-        using namespace MG_Util;
-        switch (pname) {
-        case GL_TEXTURE_WRAP_S:
-            *(GLuint*)params = MG_Util::ConvertSamplerWrapModeToGLEnum(samplerObj->GetWrapS());
-            break;
-        case GL_TEXTURE_WRAP_T:
-            *(GLuint*)params = MG_Util::ConvertSamplerWrapModeToGLEnum(samplerObj->GetWrapT());
-            break;
-        case GL_TEXTURE_WRAP_R:
-            *(GLuint*)params = MG_Util::ConvertSamplerWrapModeToGLEnum(samplerObj->GetWrapR());
-            break;
-        case GL_TEXTURE_MIN_FILTER:
-            *(GLuint*)params =
-                MG_Util::ConvertSamplerFilterModeToGLEnum(samplerObj->GetMinFilter(), samplerObj->GetMipmapMode());
-            break;
-        case GL_TEXTURE_MAG_FILTER:
-            *(GLuint*)params =
-                MG_Util::ConvertSamplerFilterModeToGLEnum(samplerObj->GetMagFilter(), SamplerMipmapMode::None);
-            break;
-        case GL_TEXTURE_MIN_LOD:
-            *(GLfloat*)params = samplerObj->GetMinLod();
-            break;
-        case GL_TEXTURE_MAX_LOD:
-            *(GLfloat*)params = samplerObj->GetMaxLod();
-            break;
-        case GL_TEXTURE_LOD_BIAS:
-            *(GLfloat*)params = samplerObj->GetLodBias();
-            break;
-        case GL_TEXTURE_COMPARE_MODE:
-            *(GLuint*)params = MG_Util::ConvertSamplerCompareModeToGLEnum(samplerObj->GetCompareMode());
-            break;
-        case GL_TEXTURE_COMPARE_FUNC:
-            *(GLuint*)params = MG_Util::ConvertSamplerCompareFuncToGLEnum(samplerObj->GetSamplerCompareFunc());
-            break;
-        default:
-            MG_State::pGLContext->RecordError(ErrorCode::InvalidEnum,
-                                              MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "GetSamplerParam_State",
-                                                                           "Invalid pname for sampler parameter"));
-        }
-    }
-
-    GLboolean IsSampler_State(GLuint sampler) {
-        return MG_State::pGLContext->ValidateSamplerObject(sampler) ? GL_TRUE : GL_FALSE;
-    }
-
-    // migrate below functions without "_State" into this section
-    void GenSamplers_State(GLsizei count, GLuint* samplers) {
-        if (count < 0) {
-            MG_State::pGLContext->RecordError(
-                ErrorCode::InvalidValue,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "GenSamplers", "count must be non-negative"));
-            return;
-        }
-
-        static thread_local Vector<GLuint> names;
-        MG_State::pGLContext->GenSamplerNames(count, names);
-        Memcpy(samplers, names.data(), count * sizeof(GLuint));
-    }
-
-    void DeleteSamplers_State(GLsizei count, const GLuint* samplers) {
-        if (count < 0) {
-            MG_State::pGLContext->RecordError(
-                ErrorCode::InvalidValue,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "DeleteSamplers", "count must be non-negative"));
-            return;
-        }
-
-        for (GLsizei i = 0; i < count; ++i) {
-            if (samplers[i] != 0) {
-                MG_State::pGLContext->MarkSamplerObjectForDeletion(samplers[i]);
-            }
-        }
-    }
-
-    void CreateSamplers_State(GLsizei n, GLuint* samplers) {
-        if (n < 0) {
-            MG_State::pGLContext->RecordError(
-                ErrorCode::InvalidValue,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "GenSamplers", "count must be non-negative"));
-            return;
-        }
-
-        static thread_local Vector<GLuint> names;
-        MG_State::pGLContext->GenSamplerNames(n, names);
-        Memcpy(samplers, names.data(), n * sizeof(GLuint));
-        for (GLsizei i = 0; i < n; ++i) {
-            samplers[i] = names[i];
-            MG_State::pGLContext->CreateSamplerObject(names[i]);
-        }
-    }
-
-    void BindSampler_State(GLuint unit, GLuint sampler) {
-        if (unit >= MG_State::GLState::TextureState::MAX_TEXTURE_IMAGE_UNITS) {
-            MG_State::pGLContext->RecordError(
-                ErrorCode::InvalidValue,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "BindSampler", "texture unit out of range"));
-            return;
-        }
-
-        auto& textureUnit = MG_State::pGLContext->GetTextureUnitObject((Int)unit);
-        if (sampler == 0) {
-            textureUnit.SetSamplerObject(nullptr);
-        } else {
+namespace MobileGL {
+    namespace MG_Impl::GLImpl {
+        void SetSamplerParam_State(GLuint sampler, GLenum pname, const void* param, bool isFloat, bool isInteger) {
             if (!SamplerImpl::ValidateSamplerName(sampler)) return;
-            Bool doesSamplerObjectCreated = MG_State::pGLContext->ValidateSamplerObject(sampler);
-            if (!doesSamplerObjectCreated) {
-                MG_State::pGLContext->CreateSamplerObject(sampler);
+
+            auto samplerObj = MG_State::pGLContext->GetSamplerObject(sampler);
+            if (!samplerObj) {
+                samplerObj = MG_State::pGLContext->CreateSamplerObject(sampler); // for compatibility
             }
-            auto& samplerObject = MG_State::pGLContext->GetSamplerObject(sampler);
+            if (!SamplerImpl::ValidateSamplerObject(sampler)) return;
 
-            textureUnit.SetSamplerObject(MG_State::pGLContext->GetSamplerObject(sampler));
-        }
-    }
-
-    void BindSamplers_State(GLuint first, GLsizei count, const GLuint* samplers) {
-        if (count < 0) {
-            MG_State::pGLContext->RecordError(
-                ErrorCode::InvalidValue,
-                MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "BindSamplers", "count must be non-negative"));
-            return;
+            using namespace MG_Util;
+            switch (pname) {
+            case GL_TEXTURE_WRAP_S:
+                samplerObj->SetWrapS(MG_Util::ConvertGLEnumToSamplerWrapMode(*(const GLint*)param));
+                break;
+            case GL_TEXTURE_WRAP_T:
+                samplerObj->SetWrapT(MG_Util::ConvertGLEnumToSamplerWrapMode(*(const GLint*)param));
+                break;
+            case GL_TEXTURE_WRAP_R:
+                samplerObj->SetWrapR(MG_Util::ConvertGLEnumToSamplerWrapMode(*(const GLint*)param));
+                break;
+            case GL_TEXTURE_MIN_FILTER:
+                samplerObj->SetMinFilter(MG_Util::ConvertGLEnumToSamplerFilterMode(*(const GLint*)param));
+                samplerObj->SetMipmapMode(MG_Util::ConvertGLEnumToSamplerMipmapMode(*(const GLint*)param));
+                break;
+            case GL_TEXTURE_MAG_FILTER:
+                samplerObj->SetMagFilter(MG_Util::ConvertGLEnumToSamplerFilterMode(*(const GLint*)param));
+                break;
+            case GL_TEXTURE_MIN_LOD:
+                samplerObj->SetLodRange(*(const GLfloat*)param, samplerObj->GetMaxLod());
+                break;
+            case GL_TEXTURE_MAX_LOD:
+                samplerObj->SetLodRange(samplerObj->GetMinLod(), *(const GLfloat*)param);
+                break;
+            case GL_TEXTURE_LOD_BIAS:
+                samplerObj->SetLodBias(*(const GLfloat*)param);
+                break;
+            case GL_TEXTURE_COMPARE_MODE:
+                samplerObj->SetCompareMode(MG_Util::ConvertGLEnumToSamplerCompareMode(*(const GLint*)param));
+                break;
+            case GL_TEXTURE_COMPARE_FUNC:
+                samplerObj->SetSamplerCompareFunc(MG_Util::ConvertGLEnumToSamplerCompareFunc(*(const GLint*)param));
+                break;
+            default:
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidEnum, MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "SetSamplerParam_State",
+                                                                         "Invalid pname for sampler parameter"));
+            }
         }
 
-        for (GLsizei i = 0; i < count; ++i) {
-            BindSampler_State(first + i, samplers ? samplers[i] : 0);
+        void GetSamplerParam_State(GLuint sampler, GLenum pname, void* params, bool isFloat, bool isInteger) {
+            if (!SamplerImpl::ValidateSamplerName(sampler)) return;
+
+            auto samplerObj = MG_State::pGLContext->GetSamplerObject(sampler);
+            if (!samplerObj) {
+                samplerObj = MG_State::pGLContext->CreateSamplerObject(sampler); // for compatibility
+            }
+            if (!SamplerImpl::ValidateSamplerObject(sampler)) return;
+
+            using namespace MG_Util;
+            switch (pname) {
+            case GL_TEXTURE_WRAP_S:
+                *(GLint*)params = MG_Util::ConvertSamplerWrapModeToGLEnum(samplerObj->GetWrapS());
+                break;
+            case GL_TEXTURE_WRAP_T:
+                *(GLint*)params = MG_Util::ConvertSamplerWrapModeToGLEnum(samplerObj->GetWrapT());
+                break;
+            case GL_TEXTURE_WRAP_R:
+                *(GLint*)params = MG_Util::ConvertSamplerWrapModeToGLEnum(samplerObj->GetWrapR());
+                break;
+            case GL_TEXTURE_MIN_FILTER:
+                *(GLint*)params =
+                    MG_Util::ConvertSamplerFilterModeToGLEnum(samplerObj->GetMinFilter(), samplerObj->GetMipmapMode());
+                break;
+            case GL_TEXTURE_MAG_FILTER:
+                *(GLint*)params =
+                    MG_Util::ConvertSamplerFilterModeToGLEnum(samplerObj->GetMagFilter(), SamplerMipmapMode::None);
+                break;
+            case GL_TEXTURE_MIN_LOD:
+                *(GLfloat*)params = samplerObj->GetMinLod();
+                break;
+            case GL_TEXTURE_MAX_LOD:
+                *(GLfloat*)params = samplerObj->GetMaxLod();
+                break;
+            case GL_TEXTURE_LOD_BIAS:
+                *(GLfloat*)params = samplerObj->GetLodBias();
+                break;
+            case GL_TEXTURE_COMPARE_MODE:
+                *(GLint*)params = MG_Util::ConvertSamplerCompareModeToGLEnum(samplerObj->GetCompareMode());
+                break;
+            case GL_TEXTURE_COMPARE_FUNC:
+                *(GLint*)params = MG_Util::ConvertSamplerCompareFuncToGLEnum(samplerObj->GetSamplerCompareFunc());
+                break;
+            default:
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidEnum, MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "GetSamplerParam_State",
+                                                                         "Invalid pname for sampler parameter"));
+            }
         }
-    }
 
-    /* @INSERTION_POINT:FUNCTION_IMPLEMENTATION@ */
-    void GetSamplerParameteriv(GLuint sampler, GLenum pname, GLint* params) {
-        GetSamplerParam_State(sampler, pname, params, false, false);
-    }
+        GLboolean IsSampler_State(GLuint sampler) {
+            return MG_State::pGLContext->ValidateSamplerObject(sampler) ? GL_TRUE : GL_FALSE;
+        }
 
-    void SamplerParameterIuiv(GLuint sampler, GLenum pname, const GLuint* param) {
-        SetSamplerParam_State(sampler, pname, param, false, true);
-    }
+        // migrate below functions without "_State" into this section
+        void GenSamplers_State(GLsizei count, GLuint* samplers) {
+            if (count < 0) {
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidValue,
+                    MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "GenSamplers", "count must be non-negative"));
+                return;
+            }
 
-    void SamplerParameterIiv(GLuint sampler, GLenum pname, const GLint* param) {
-        SetSamplerParam_State(sampler, pname, param, false, true);
-    }
+            auto names = MG_State::pGLContext->GenSamplerNames(count);
+            for (GLsizei i = 0; i < count; ++i) {
+                samplers[i] = names[i];
+            }
+        }
 
-    void SamplerParameteriv(GLuint sampler, GLenum pname, const GLint* param) {
-        SetSamplerParam_State(sampler, pname, param, false, false);
-    }
+        void DeleteSamplers_State(GLsizei count, const GLuint* samplers) {
+            if (count < 0) {
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidValue,
+                    MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "DeleteSamplers", "count must be non-negative"));
+                return;
+            }
 
-    void SamplerParameterfv(GLuint sampler, GLenum pname, const GLfloat* param) {
-        SetSamplerParam_State(sampler, pname, param, true, false);
-    }
+            for (GLsizei i = 0; i < count; ++i) {
+                if (samplers[i] != 0) {
+                    MG_State::pGLContext->MarkSamplerObjectForDeletion(samplers[i]);
+                }
+            }
+        }
 
-    void SamplerParameteri(GLuint sampler, GLenum pname, GLint param) {
-        SamplerParameteriv(sampler, pname, &param);
-    }
+        void CreateSamplers_State(GLsizei n, GLuint* samplers) {
+            if (n < 0) {
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidValue,
+                    MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "GenSamplers", "count must be non-negative"));
+                return;
+            }
 
-    void SamplerParameterf(GLuint sampler, GLenum pname, GLfloat param) {
-        SamplerParameterfv(sampler, pname, &param);
-    }
+            auto names = MG_State::pGLContext->GenSamplerNames(n);
+            for (GLsizei i = 0; i < n; ++i) {
+                samplers[i] = names[i];
+                MG_State::pGLContext->CreateSamplerObject(names[i]);
+            }
+        }
 
-    GLboolean IsSampler(GLuint sampler) {
-        return IsSampler_State(sampler);
-    }
+        void BindSampler_State(GLuint unit, GLuint sampler) {
+            if (unit >= MG_State::GLState::TextureState::MAX_TEXTURE_IMAGE_UNITS) {
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidValue,
+                    MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "BindSampler", "texture unit out of range"));
+                return;
+            }
 
-    void GetSamplerParameterIuiv(GLuint sampler, GLenum pname, GLuint* params) {
-        GetSamplerParam_State(sampler, pname, params, false, true);
-    }
+            auto& textureUnit = MG_State::pGLContext->GetTextureUnitObject(unit);
+            if (sampler == 0) {
+                textureUnit.SetSamplerObject(nullptr);
+            } else {
+                if (!SamplerImpl::ValidateSamplerName(sampler)) return;
+                auto samplerObject = MG_State::pGLContext->GetSamplerObject(sampler);
+                if (!samplerObject) {
+                    samplerObject = MG_State::pGLContext->CreateSamplerObject(sampler);
+                }
 
-    void GetSamplerParameterIiv(GLuint sampler, GLenum pname, GLint* params) {
-        GetSamplerParam_State(sampler, pname, params, false, true);
-    }
+                textureUnit.SetSamplerObject(MG_State::pGLContext->GetSamplerObject(sampler));
+            }
+        }
 
-    void GetSamplerParameterfv(GLuint sampler, GLenum pname, GLfloat* params) {
-        GetSamplerParam_State(sampler, pname, params, true, false);
-    }
+        void BindSamplers_State(GLuint first, GLsizei count, const GLuint* samplers) {
+            if (count < 0) {
+                MG_State::pGLContext->RecordError(
+                    ErrorCode::InvalidValue,
+                    MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "BindSamplers", "count must be non-negative"));
+                return;
+            }
 
-    void GenSamplers(GLsizei count, GLuint* samplers) {
-        GenSamplers_State(count, samplers);
-    }
+            for (GLsizei i = 0; i < count; ++i) {
+                BindSampler_State(first + i, samplers ? samplers[i] : 0);
+            }
+        }
 
-    void DeleteSamplers(GLsizei count, const GLuint* samplers) {
-        DeleteSamplers_State(count, samplers);
-    }
+        /* @INSERTION_POINT:FUNCTION_IMPLEMENTATION@ */
+        void GetSamplerParameteriv(GLuint sampler, GLenum pname, GLint* params) {
+            GetSamplerParam_State(sampler, pname, params, false, false);
+        }
 
-    void CreateSamplers(GLsizei n, GLuint* samplers) {
-        CreateSamplers_State(n, samplers);
-    }
+        void SamplerParameterIuiv(GLuint sampler, GLenum pname, const GLuint* param) {
+            SetSamplerParam_State(sampler, pname, param, false, true);
+        }
 
-    void BindSamplers(GLuint first, GLsizei count, const GLuint* samplers) {
-        BindSamplers_State(first, count, samplers);
-    }
+        void SamplerParameterIiv(GLuint sampler, GLenum pname, const GLint* param) {
+            SetSamplerParam_State(sampler, pname, param, false, true);
+        }
 
-    void BindSampler(GLuint unit, GLuint sampler) {
-        BindSampler_State(unit, sampler);
-    }
-} // namespace MobileGL::MG_Impl::GLImpl
+        void SamplerParameteriv(GLuint sampler, GLenum pname, const GLint* param) {
+            SetSamplerParam_State(sampler, pname, param, false, false);
+        }
+
+        void SamplerParameterfv(GLuint sampler, GLenum pname, const GLfloat* param) {
+            SetSamplerParam_State(sampler, pname, param, true, false);
+        }
+
+        void SamplerParameteri(GLuint sampler, GLenum pname, GLint param) {
+            SamplerParameteriv(sampler, pname, &param);
+        }
+
+        void SamplerParameterf(GLuint sampler, GLenum pname, GLfloat param) {
+            SamplerParameterfv(sampler, pname, &param);
+        }
+
+        GLboolean IsSampler(GLuint sampler) {
+            return IsSampler_State(sampler);
+        }
+
+        void GetSamplerParameterIuiv(GLuint sampler, GLenum pname, GLuint* params) {
+            GetSamplerParam_State(sampler, pname, params, false, true);
+        }
+
+        void GetSamplerParameterIiv(GLuint sampler, GLenum pname, GLint* params) {
+            GetSamplerParam_State(sampler, pname, params, false, true);
+        }
+
+        void GetSamplerParameterfv(GLuint sampler, GLenum pname, GLfloat* params) {
+            GetSamplerParam_State(sampler, pname, params, true, false);
+        }
+
+        void GenSamplers(GLsizei count, GLuint* samplers) {
+            GenSamplers_State(count, samplers);
+        }
+
+        void DeleteSamplers(GLsizei count, const GLuint* samplers) {
+            DeleteSamplers_State(count, samplers);
+        }
+
+        void CreateSamplers(GLsizei n, GLuint* samplers) {
+            CreateSamplers_State(n, samplers);
+        }
+
+        void BindSamplers(GLuint first, GLsizei count, const GLuint* samplers) {
+            BindSamplers_State(first, count, samplers);
+        }
+
+        void BindSampler(GLuint unit, GLuint sampler) {
+            BindSampler_State(unit, sampler);
+        }
+    } // namespace MG_Impl::GLImpl
+} // namespace MobileGL

MobileGL/MG_Impl/GLImpl/Sampler/GL_Sampler.h

@@ -9,22 +9,24 @@
 #pragma once
 #include <Includes.h>
 
-namespace MobileGL::MG_Impl::GLImpl {
-    /* @INSERTION_POINT:FUNCTION_DECLARATION@ */
-    void GetSamplerParameteriv(GLuint sampler, GLenum pname, GLint* params);
-    void SamplerParameterIuiv(GLuint sampler, GLenum pname, const GLuint* param);
-    void SamplerParameterIiv(GLuint sampler, GLenum pname, const GLint* param);
-    void SamplerParameteriv(GLuint sampler, GLenum pname, const GLint* param);
-    void SamplerParameterfv(GLuint sampler, GLenum pname, const GLfloat* param);
-    void SamplerParameteri(GLuint sampler, GLenum pname, GLint param);
-    void SamplerParameterf(GLuint sampler, GLenum pname, GLfloat param);
-    GLboolean IsSampler(GLuint sampler);
-    void GetSamplerParameterIuiv(GLuint sampler, GLenum pname, GLuint* params);
-    void GetSamplerParameterIiv(GLuint sampler, GLenum pname, GLint* params);
-    void GetSamplerParameterfv(GLuint sampler, GLenum pname, GLfloat* params);
-    void GenSamplers(GLsizei count, GLuint* samplers);
-    void DeleteSamplers(GLsizei count, const GLuint* samplers);
-    void CreateSamplers(GLsizei n, GLuint* samplers);
-    void BindSamplers(GLuint first, GLsizei count, const GLuint* samplers);
-    void BindSampler(GLuint unit, GLuint sampler);
-} // namespace MobileGL::MG_Impl::GLImpl
+namespace MobileGL {
+    namespace MG_Impl::GLImpl {
+        /* @INSERTION_POINT:FUNCTION_DECLARATION@ */
+        void GetSamplerParameteriv(GLuint sampler, GLenum pname, GLint* params);
+        void SamplerParameterIuiv(GLuint sampler, GLenum pname, const GLuint* param);
+        void SamplerParameterIiv(GLuint sampler, GLenum pname, const GLint* param);
+        void SamplerParameteriv(GLuint sampler, GLenum pname, const GLint* param);
+        void SamplerParameterfv(GLuint sampler, GLenum pname, const GLfloat* param);
+        void SamplerParameteri(GLuint sampler, GLenum pname, GLint param);
+        void SamplerParameterf(GLuint sampler, GLenum pname, GLfloat param);
+        GLboolean IsSampler(GLuint sampler);
+        void GetSamplerParameterIuiv(GLuint sampler, GLenum pname, GLuint* params);
+        void GetSamplerParameterIiv(GLuint sampler, GLenum pname, GLint* params);
+        void GetSamplerParameterfv(GLuint sampler, GLenum pname, GLfloat* params);
+        void GenSamplers(GLsizei count, GLuint* samplers);
+        void DeleteSamplers(GLsizei count, const GLuint* samplers);
+        void CreateSamplers(GLsizei n, GLuint* samplers);
+        void BindSamplers(GLuint first, GLsizei count, const GLuint* samplers);
+        void BindSampler(GLuint unit, GLuint sampler);
+    } // namespace MG_Impl::GLImpl
+} // namespace MobileGL