[Feat] (MG_Backend/DirectVulkan|MG_Util): Get Vulkan device info.

CMakeLists.txt

@@ -168,6 +168,7 @@ set(SOURCE_FILES
     MobileGL/MG_Util/ShaderTranspiler/SpirvPasses/EliminateFloatEqualsZeroPass.cpp
 
     MobileGL/MG_Util/BackendLoaders/OpenGL/Loader.cpp
+    MobileGL/MG_Util/BackendLoaders/Vulkan/Loader.cpp
 
     MobileGL/MG_Util/Texture/PixelStoreProcessor.cpp
     MobileGL/MG_Util/Texture/TextureFormatProcessor.cpp

MobileGL/MG_Backend/DirectVulkan/BackendObject_DirectVulkan.cpp

@@ -9,8 +9,8 @@
 #include "BackendObject_DirectVulkan.h"
 #include "MG_Backend/BackendObject.h"
 #include <MG_Backend/DirectVulkan/DirectVulkan.h>
+#include <MG_Backend/DirectVulkan/TmpImpl.h>
 #include <MG_Util/BackendLoaders/OpenGL/Loader.h>
-#include <format>
 
 namespace MobileGL::MG_Backend::DirectVulkan {
     BackendObject_DirectVulkan::~BackendObject_DirectVulkan() = default;
@@ -24,7 +24,16 @@ namespace MobileGL::MG_Backend::DirectVulkan {
 
     void BackendObject_DirectVulkan::Initialize() {
         m_initialized = true;
-        // TODO
+    }
+
+    void BackendObject_DirectVulkan::InitCapabilities() {
+        if (!m_initialized) {
+            MGLOG_E("Cannot initialize capabilities before backend is initialized");
+            return;
+        }
+
+        MG_Util::BackendLoader::QueryVulkanCapabilities(m_vulkanCaps,
+                                                        DirectVulkan::GetVulkanState().ctx->GetPhysicalDevice());
         UpdateDynamicBackendParameters();
     }
 
@@ -53,7 +62,9 @@ namespace MobileGL::MG_Backend::DirectVulkan {
         // Format:
         // <GPU Name>, Vulkan <Vulkan Version>, Driver <Driver Version>
         // TODO
-        return "Vulkan";
+        String str = m_vulkanCaps.DeviceName + ", Vulkan " + m_vulkanCaps.VulkanAPIVersion.toString() + ", Driver " +
+                     m_vulkanCaps.DriverVersionString;
+        return str;
     }
 
     BackendType BackendObject_DirectVulkan::GetBackendType() const {
@@ -103,6 +114,6 @@ namespace MobileGL::MG_Backend::DirectVulkan {
     }
 
     void BackendObject_DirectVulkan::UpdateDynamicBackendParameters() {
-        m_dynamicParameters.UniformBufferOffsetAlignment = 256; // TODO
+        m_dynamicParameters.UniformBufferOffsetAlignment = m_vulkanCaps.UniformBufferOffsetAlignment;
     }
 } // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/BackendObject_DirectVulkan.h

@@ -9,13 +9,16 @@
 #pragma once
 #include <Includes.h>
 #include "../BackendObject.h"
+#include <MG_Util/BackendLoaders/Vulkan/Loader.h>
 
 namespace MobileGL::MG_Backend::DirectVulkan {
     class BackendObject_DirectVulkan : public BackendObject {
     public:
         ~BackendObject_DirectVulkan() override;
+
         void Initialize() override;
         void InitWindowSurface() override;
+        void InitCapabilities() override;
 
         const RendererInfo& GetRendererInfo() const override;
         String GetBackendAPIVersionString() const override;
@@ -28,5 +31,6 @@ namespace MobileGL::MG_Backend::DirectVulkan {
 
         Bool m_initialized = false;
         DynamicBackendParameters m_dynamicParameters;
+        MG_External::VulkanCapabilities m_vulkanCaps;
     };
 } // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/DirectVulkan.cpp

@@ -67,4 +67,8 @@ namespace MobileGL::MG_Backend::DirectVulkan {
     void Present() {
         TmpImpl::Present();
     }
+
+    const TmpImpl::VulkanState& GetVulkanState() {
+        return TmpImpl::GetVulkanState();
+    }
 } // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/DirectVulkan.h

@@ -11,6 +11,10 @@
 #include "Renderer/VulkanRenderer.h"
 
 namespace MobileGL::MG_Backend::DirectVulkan {
+    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);
     void ClearBufferuiv(GLenum buffer, GLint drawbuffer, const GLuint* value);
@@ -51,4 +55,5 @@ namespace MobileGL::MG_Backend::DirectVulkan {
     void GetTexImage(GLenum target, GLint level, GLenum format, GLenum type, GLvoid* pixels);
     Bool InitWindowSurface(NativeWindowType window);
     void Present();
+    const TmpImpl::VulkanState& GetVulkanState();
 } // namespace MobileGL::MG_Backend::DirectVulkan

MobileGL/MG_Backend/DirectVulkan/TmpImpl.h

@@ -8,11 +8,229 @@
 
 #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::DirectVulkan::TmpImpl {
+    namespace DV = MobileGL::MG_Backend::DirectVulkan::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::DirectVulkan::TrashImage;
+
+    struct BufferResource {
+        VkBuffer buffer = VK_NULL_HANDLE;
+        VkDeviceMemory memory = VK_NULL_HANDLE;
+        VkDeviceSize size = 0;
+        VkBufferUsageFlags usage = 0;
+        VkMemoryPropertyFlags props = 0;
+        void* mapped = nullptr;
+        Uint32 lastUsedFrame = ~0u;
+    };
+
+    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 {
+        Array<VkRenderPass, 8> renderPasses = {};
+        VkFramebuffer framebuffer = VK_NULL_HANDLE;
+        VkExtent2D extent{0, 0};
+        Uint32 colorAttachmentCount = 0;
+        Bool hasDepth = false;
+        VkFormat depthFormat = VK_FORMAT_UNDEFINED;
+        Uint64 renderPassCompatHash = 0;
+
+        Vector<AttachmentInfo> attachments;
+        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 renderPasses[0] != VK_NULL_HANDLE && framebuffer != VK_NULL_HANDLE; }
+    };
+
+    struct VulkanState {
+        UniquePtr<DV::VulkanContext> ctx;
+        UniquePtr<DV::SwapchainManager> swapchain;
+        UniquePtr<DV::ProgramManager> programMgr;
+        Array<VkRenderPass, 8> renderPasses = {};
+        VkCommandPool commandPool = VK_NULL_HANDLE;
+        Vector<UniquePtr<DV::FrameContext>> frames;
+        Vector<FrameDescriptorPools> frameDescriptorPools;
+        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 defaultRenderPassCompatHash = 0;
+
+        BufferResource nullUbo;
+
+        TextureResource defaultTexture;
+        SamplerResource defaultSampler;
+
+        UnorderedMap<const BufferObject*, BufferResource> 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;
+
+        VkRenderPass activeRenderPass = VK_NULL_HANDLE;
+        VkFramebuffer activeFramebuffer = VK_NULL_HANDLE;
+        VkExtent2D activeExtent{0, 0};
+        Uint32 activeColorAttachmentCount = 1;
+        Bool activeHasDepth = false;
+        VkFormat activeDepthFormat = VK_FORMAT_UNDEFINED;
+        SharedPtr<MG_State::GLState::FramebufferObject> activeStateFBO = nullptr;
+        SharedPtr<BackendFramebufferObject> activeBackendFBO = nullptr;
+        Bool activeIsDefault = true;
+        Bool activeDefaultColorWrites = true;
+
+        VkRenderPass recordingRenderPass = VK_NULL_HANDLE;
+        VkFramebuffer recordingFramebuffer = VK_NULL_HANDLE;
+        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;
+    };
+
     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);
@@ -49,5 +267,4 @@ namespace MobileGL::MG_Backend::DirectVulkan::TmpImpl {
     void CopyTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width,
                            GLsizei height);
     void GenerateMipmap(GLenum target);
-    void Present();
 } // namespace MobileGL::MG_Backend::DirectVulkan::TmpImpl

MobileGL/MG_Impl/GLImpl/Getter/GL_Getter.cpp

@@ -7,8 +7,6 @@
 // End of Source File Header
 
 #include "GL_Getter.h"
-#include "GL/gl.h"
-#include "MG_Util/Debug/Log.h"
 #include <Config.h>
 #include <MGGitHash.h>
 #include <MG_State/GLState/Core.h>

MobileGL/MG_State/GLState/ProgramState/ProgramObject.cpp

@@ -111,9 +111,9 @@ namespace MobileGL {
                 }
 
                 std::sort(m_shaders.begin(), m_shaders.end(),
-                    [](SharedPtr<ShaderObject>& a, SharedPtr<ShaderObject>& b) {
+                          [](SharedPtr<ShaderObject>& a, SharedPtr<ShaderObject>& b) {
-                            return a->GetShaderStage() < b->GetShaderStage();
+                              return a->GetShaderStage() < b->GetShaderStage();
-                });
+                          });
 
                 for (SizeT i = 0; i < m_shaders.size(); i++) {
                     shaderTypes[i] = MG_Util::ConvertShaderStageToGLEnum(m_shaders[i]->GetShaderStage());

MobileGL/MG_State/GLState/ProgramState/ShaderObject.cpp

@@ -31,8 +31,9 @@ namespace MobileGL {
                 // Compile for OpenGL here, so that we can do validation and link
                 // like a real OpenGL driver at linking stage
                 // Will compile for other backends later.
-                ShaderAttrib attrib{
+                ShaderAttrib attrib{.shaderType = MG_Util::ConvertShaderStageToGLEnum(m_stage),
-                    .shaderType = MG_Util::ConvertShaderStageToGLEnum(m_stage), .sourceStr = m_source, .flags = ShaderCompileBits::CompileForOpenGL};
+                                    .sourceStr = m_source,
+                                    .flags = ShaderCompileBits::CompileForOpenGL};
 
                 auto result = ShaderCompiler::CompileShader(attrib);
                 if (result) {

MobileGL/MG_Util/BackendLoaders/Vulkan/Loader.cpp

@@ -0,0 +1,51 @@
+// MobileGL - MobileGL/MG_Util/BackendLoaders/Vulkan/Loader.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 "Loader.h"
+
+namespace MobileGL::MG_Util::BackendLoader {
+    inline Version DecodeApiVersion(uint32_t version) {
+        return {(Int)VK_VERSION_MAJOR(version), (Int)VK_VERSION_MINOR(version), (Int)VK_VERSION_PATCH(version)};
+    }
+
+    inline std::string DecodeDriverVersion(uint32_t driverVersion) {
+        std::ostringstream oss;
+        oss << VK_VERSION_MAJOR(driverVersion) << "." << VK_VERSION_MINOR(driverVersion) << "."
+            << VK_VERSION_PATCH(driverVersion);
+        return oss.str();
+    }
+
+    Bool QueryVulkanCapabilities(MobileGL::MG_External::VulkanCapabilities& caps, VkPhysicalDevice physicalDevice) {
+        if (!physicalDevice) {
+            MGLOG_E("Invalid physical device handle");
+            return false;
+        }
+
+        VkPhysicalDeviceProperties props{};
+        vkGetPhysicalDeviceProperties(physicalDevice, &props);
+
+        if (props.apiVersion < VK_API_VERSION_1_1) {
+            MGLOG_E("Vulkan API version %u.%u.%u is not supported, requires at least 1.1",
+                    VK_VERSION_MAJOR(props.apiVersion), VK_VERSION_MINOR(props.apiVersion),
+                    VK_VERSION_PATCH(props.apiVersion));
+            return false;
+        }
+
+        VkPhysicalDeviceProperties2 props2{};
+        props2.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2;
+        vkGetPhysicalDeviceProperties2(physicalDevice, &props2);
+
+        const VkPhysicalDeviceProperties& p = props2.properties;
+        caps.VulkanAPIVersion = DecodeApiVersion(p.apiVersion);
+        caps.DeviceName = p.deviceName;
+        caps.DriverVersionString = DecodeDriverVersion(p.driverVersion);
+        caps.UniformBufferOffsetAlignment = static_cast<int>(p.limits.minUniformBufferOffsetAlignment);
+
+        return true;
+    }
+} // namespace MobileGL::MG_Util::BackendLoader

MobileGL/MG_Util/BackendLoaders/Vulkan/Loader.h

@@ -0,0 +1,24 @@
+// MobileGL - MobileGL/MG_Util/BackendLoaders/Vulkan/Loader.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 {
+    namespace MG_External {
+        struct VulkanCapabilities {
+            Version VulkanAPIVersion{1, 0, 0};
+            String DeviceName;
+            String DriverVersionString;
+            Int UniformBufferOffsetAlignment = 256;
+        };
+    } // namespace MG_External
+    namespace MG_Util::BackendLoader {
+        Bool QueryVulkanCapabilities(MobileGL::MG_External::VulkanCapabilities& caps, VkPhysicalDevice physicalDevice);
+    } // namespace MG_Util::BackendLoader
+} // namespace MobileGL