use unordered_dense to mitigate __next_prime overflow error

CMakeLists.txt

@@ -8,13 +8,13 @@ set(CMAKE_CXX_STANDARD 17)
 
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -w -fvisibility=hidden -funwind-tables -g -D_THREAD_SAFE -fPIC -stdlib=libc++")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -w -fvisibility=hidden -funwind-tables -g -D_THREAD_SAFE -fPIC")
 
 #set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -w -g -std=gnu99 -funwind-tables -O3 -fvisibility=hidden")
 
-set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libstdc++")
+#set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libstdc++")
 
-set(CMAKE_ANDROID_STL_TYPE c++_static)
+#set(CMAKE_ANDROID_STL_TYPE c++_static)
 
 #set(CMAKE_BUILD_TYPE Release)
 

MG/Includes.h

@@ -108,6 +108,7 @@
 #include <glm/gtc/matrix_transform.hpp>
 #include <glm/glm.hpp>
 #include "GLES3/gl32.h"
+#include <ankerl/unordered_dense.h>
 
 #include "MG_Include/UncertainBool.hpp"
 

MG/MG_GL/State/VertexArray/VertexArrayState.cpp

@@ -13,25 +13,21 @@ VertexArrayState::VertexArrayState() {
 GLenum VertexArrayState::Create(GLuint* array) {
     if (array == nullptr) return GL_INVALID_VALUE;
 
-    GLuint id = freeIds_.empty() ? ++lastId_ : *freeIds_.begin();
+    GLuint id = freeId_.empty() ? lastId_++ : freeId_.back();
-    if (!freeIds_.empty()) {
+    if (!freeId_.empty()) {
-        freeIds_.erase(freeIds_.begin());
+        freeId_.pop_back();
     }
 
     *array = id;
-//    vaos_[id].generated = true;
+    vaos_[id] = { .generated = false };
     return GL_NO_ERROR;
 }
 
 GLenum VertexArrayState::CreateN(GLsizei n, GLuint* arrays) {
-    if (n < 0) {
+    if (n <= 0 || arrays == nullptr) {
         return GL_INVALID_VALUE; 
     }
 
-    if (n > 0 && arrays == nullptr) {
-        return GL_INVALID_VALUE;
-    }
-
     for (GLsizei i = 0; i < n; ++i) {
         if (GLenum error = Create(&arrays[i]); error != GL_NO_ERROR) {
             return error;
@@ -41,7 +37,9 @@ GLenum VertexArrayState::CreateN(GLsizei n, GLuint* arrays) {
 }
 
 GLenum VertexArrayState::Bind(GLuint array) {
-    if (array != 0 && vaos_.find(array) == vaos_.end()) return GL_INVALID_OPERATION;
+    if (array != 0 && vaos_.find(array) == vaos_.end())
+        return GL_INVALID_OPERATION;
+
     currentVao_ = array;
     GetCurrentVAO()->generated = true;
     return GL_NO_ERROR;
@@ -92,5 +90,10 @@ GLuint VertexArrayState::GetBoundElementBuffer() {
 
 VertexArrayObject* VertexArrayState::GetCurrentVAO() {
     auto it = vaos_.find(currentVao_);
-    return (it != vaos_.end()) ? &it->second : &vaos_.at(0);
+    if (it != vaos_.end())
+        return &it->second;
+    else {
+        MG_Util::Debug::LogD("%s: VAO not found, currentVao_ = %u !", __func__, currentVao_);
+        return nullptr;
+    }
 }

MG/MG_GL/State/VertexArray/VertexArrayState.h

@@ -45,8 +45,9 @@ public:
 
 public: // TODO
     std::unordered_map<GLuint, VertexArrayObject> vaos_;
-    std::set<GLuint> freeIds_;
+//    std::set<GLuint> freeIds_;
-    GLuint lastId_ = 0;
+    std::vector<GLuint> freeId_;
+    GLuint lastId_ = 1; // reserve 0 for default vao
     GLuint currentVao_ = 0;
 };
 

MG/MG_RHI/GLES/RHI.cpp

@@ -280,8 +280,8 @@ namespace MG_RHI::GLES {
         SyncAllBuffersToGLES(bufferState);
 
         // VAO
-        GLuint mgVAO = vaState->currentVao_;
+        GLuint mgVAOId = vaState->currentVao_;
-        VertexArrayObject* vao = &vaState->vaos_[vaState->currentVao_];
+        VertexArrayObject* vao = &vaState->vaos_[mgVAOId];
         for (auto& [mgVAOId, mgVAO] : vaState->vaos_) {
             MG_Util::Debug::LogD("Uploading VAO: %d", mgVAOId);
             if (!mgVAO.generated) continue;
@@ -290,6 +290,7 @@ namespace MG_RHI::GLES {
             GLuint glVAO;
             if (vaoMap_.find(mgVAOId) == vaoMap_.end()) {
                 MGL_TRY(::GLES::glGenVertexArrays(1, &glVAO);)
+                MG_Util::Debug::LogD("Saving VAO: %d -> %d", mgVAOId, glVAO);
                 vaoMap_[mgVAOId] = glVAO;
             } else {
                 glVAO = vaoMap_[mgVAOId];
@@ -301,7 +302,7 @@ namespace MG_RHI::GLES {
             }
 
             for (auto& [index, attrib] : mgVAO.attribs) {
-                MG_Util::Debug::LogD("attrib #%s, type = %s, size = %d, stride = %d, pointer = %p",
+                MG_Util::Debug::LogD("attrib #%d, type = %s, size = %d, stride = %d, pointer = %p",
                                      index, MG_Util::Debug::GLEnumToString(attrib.type), attrib.size, attrib.stride, attrib.pointer);
                 if (attrib.buffer != 0 && bufferMap_.count(attrib.buffer)) {
                     MGL_TRY(::GLES::glBindBuffer(GL_ARRAY_BUFFER, bufferMap_[attrib.buffer]);)
@@ -329,11 +330,11 @@ namespace MG_RHI::GLES {
             MGL_TRY(::GLES::glBindVertexArray(0);)
             //}
         }
-        GLuint currentMgVAO = vaState->currentVao_;
+//        GLuint currentMgVAO = vaState->currentVao_;
-        if (vaoMap_.count(currentMgVAO)) {
+        if (vaoMap_.find(mgVAOId) != vaoMap_.end()) {
-            MGL_TRY(::GLES::glBindVertexArray(vaoMap_[currentMgVAO]);)
+            MGL_TRY(::GLES::glBindVertexArray(vaoMap_[mgVAOId]);)
 
-            VertexArrayObject& currentVAO = vaState->vaos_[currentMgVAO];
+            VertexArrayObject& currentVAO = vaState->vaos_[mgVAOId];
             for (auto& [index, attrib] : currentVAO.attribs) {
                 if (attrib.enabled) {
                     MGL_TRY(::GLES::glEnableVertexAttribArray(index);)
@@ -623,8 +624,6 @@ namespace MG_RHI::GLES {
 
                 lastBoundFBO = currentFBO;
             }
-
-            
         }
     }
 }

MG/MG_RHI/GLES/RHI.h

@@ -8,6 +8,9 @@
 #include "../../Includes.h"
 
 namespace MG_RHI::GLES {
+    template <typename K, typename V>
+    using unordered_map = ankerl::unordered_dense::map<K, V>;
+
     enum class State {
         None,
         DrawArrays,
@@ -30,14 +33,14 @@ namespace MG_RHI::GLES {
     private:
 
         State currentState_ = State::None;
-        std::unordered_map<GLuint, GLuint> textureMap_;
+        unordered_map<GLuint, GLuint> textureMap_;
-        std::unordered_map<GLuint, std::unordered_map<GLint, bool>> textureLevelUploaded_;
+        unordered_map<GLuint, GLuint> bufferMap_;
-        std::unordered_map<GLuint, GLuint> bufferMap_;
+        unordered_map<GLuint, GLuint> vaoMap_;
-        std::array<GLuint, 32> lastBoundTextures { 0 };
+        unordered_map<GLuint, GLuint> programMap_;
-        std::unordered_map<GLuint, GLuint> vaoMap_;
+        unordered_map<GLuint, GLuint> framebufferMap_;
 
-        std::unordered_map<GLuint, GLuint> programMap_;
+        unordered_map<GLuint, unordered_map<GLint, bool>> textureLevelUploaded_;
-        std::unordered_map<GLuint, GLuint> framebufferMap_;
+        std::array<GLuint, 32> lastBoundTextures { 0 };
 
         GLuint lastBoundVAO = 0;
         GLuint lastBoundProgram = 0;

MG/MG_UTIL/Debug/Debug.h

@@ -7,7 +7,7 @@
 
 #include "../../Includes.h"
 
-#define FORCE_SYNC_WITH_LOG_FILE 0
+#define FORCE_SYNC_WITH_LOG_FILE 1
 
 namespace MG_Util {
     namespace Debug {

build.gradle

@@ -8,7 +8,7 @@ android {
         minSdk 26
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
-        ndkVersion '27.1.12297006'
+        ndkVersion '27.2.12479018'
     }
 
     buildTypes {