Texture Rendering

.vscode/settings.json

@@ -9,6 +9,7 @@
         "tuple": "cpp",
         "type_traits": "cpp",
         "xmemory": "cpp",
-        "xtr1common": "cpp"
+        "xtr1common": "cpp",
+        "chrono": "cpp"
     }
 }

CMakeLists.txt

@@ -9,6 +9,8 @@ set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
 
 project(IAEngine)
 
+add_compile_definitions("__IA_DEBUG=1")
+
 add_subdirectory(Vendor/)
 
 add_subdirectory(Dependencies/IACore)

Src/IAESandbox/imp/cpp/Game.cpp

@@ -4,12 +4,16 @@
 
 #include <IAEngine/ResourceManager.hpp>
 
+#include <IACore/File.hpp>
+
 namespace ia::iae::game
 {
     RefPtr<iae::Scene> scene;
 
     ResourceManager* g_resourceManager{};
 
+    RefPtr<Texture> g_tex;
+
     VOID Game::Initialize()
     {
         g_resourceManager = m_engine->RegisterResourceManager<ResourceManager>();
@@ -18,15 +22,20 @@ namespace ia::iae::game
         m_engine->ChangeScene(scene);
 
         iae::Renderer::AddDebugUIWindow("Debug Window", {100, 100}, {100, 200}, [](){});
+
+        const auto d = File::ReadToVector("Graphics/1.jpg");
+        g_tex = g_resourceManager->CreateTexture(d.data(), d.size());
+
+        
     }
 
     VOID Game::Terminate()
     {
-
+        g_tex.reset();
     }
 
     VOID Game::Update()
     {
-
+        g_tex->Draw({}, {}, {}, false, false, {});
     }
 }

Src/IAEngine/CMakeLists.txt

@@ -6,13 +6,14 @@ set(IAEngine_Sources
     imp/cpp/Input.cpp
     imp/cpp/Scene.cpp
     imp/cpp/Random.cpp
+    imp/cpp/Texture.cpp
 
     imp/cpp/ResourceManager.cpp
 
     imp/cpp/Rendering/Camera.cpp
-    imp/cpp/Rendering/Texture.cpp
     imp/cpp/Rendering/Renderer.cpp
     imp/cpp/Rendering/GPUBuffer.cpp
+    imp/cpp/Rendering/GPUTexture.cpp
 
     imp/cpp/Rendering/Mesh/Quad.cpp
 

Src/IAEngine/imp/cpp/IAEngine.cpp

@@ -84,6 +84,8 @@ namespace ia::iae
     {
         IAE_LOG_INFO("Shutting down IAEngine");
 
+        m_resourceManager.reset();
+
         Physics::Terminate();
         Audio::Terminate();
         Renderer::Terminate();

Src/IAEngine/imp/cpp/Rendering/GPUBuffer.cpp

@@ -21,64 +21,81 @@
 namespace ia::iae
 {
     EXTERN SDL_GPUDevice *g_gpuDevice;
-    
-    UINT32 g_stagingBufferSize = 4096;
-    SDL_GPUTransferBuffer* g_stagingBuffer{};
 
-    RefPtr<GPUBuffer> GPUBuffer::Create(IN PCVOID data, IN UINT32 dataSize)
+    UINT32 g_stagingBufferSize = 4096;
+    SDL_GPUTransferBuffer *g_stagingBuffer{};
+
+    RefPtr<GPUBuffer> GPUBuffer::Create(IN Usage usage, IN PCVOID data, IN UINT32 dataSize)
     {
         const auto res = MakeRefPtr<GPUBuffer>();
 
-        SDL_GPUBufferCreateInfo createInfo{
+        SDL_GPUBufferUsageFlags _usage{};
-            .usage = SDL_GPU_BUFFERUSAGE_VERTEX,
+        switch (usage)
-			.size = dataSize
+        {
-        };
+        case Usage::VERTEX:
-        SDL_GPUBuffer* handle{};
+            _usage = SDL_GPU_BUFFERUSAGE_VERTEX;
-        if(!(handle = SDL_CreateGPUBuffer(g_gpuDevice, &createInfo)))
+            break;
+
+        case Usage::INDEX:
+            _usage = SDL_GPU_BUFFERUSAGE_INDEX;
+            break;
+
+        case Usage::STORAGE:
+            _usage = SDL_GPU_BUFFERUSAGE_GRAPHICS_STORAGE_READ;
+            break;
+
+        default:
+            THROW_INVALID_DATA("Invalid usage value for GPUBuffer");
+            break;
+        }
+        res->m_usage = usage;        
+
+        SDL_GPUBufferCreateInfo createInfo{.usage = _usage, .size = dataSize};
+        SDL_GPUBuffer *handle{};
+        if (!(handle = SDL_CreateGPUBuffer(g_gpuDevice, &createInfo)))
         {
             IAE_LOG_ERROR("Couldn't create a SDL3 GPU Buffer: ", SDL_GetError());
             return nullptr;
         }
 
-        if(data && dataSize)
+        if (data && dataSize)
         {
-            if(!EnsureStagingBufferSize((UINT32)dataSize))
+            if (!EnsureStagingBufferSize((UINT32) dataSize))
                 return nullptr;
 
+            res->m_size = dataSize;
+
             const auto mappedPtr = SDL_MapGPUTransferBuffer(g_gpuDevice, g_stagingBuffer, false);
             memcpy(mappedPtr, data, dataSize);
             SDL_UnmapGPUTransferBuffer(g_gpuDevice, g_stagingBuffer);
 
             const auto cmdBuffer = SDL_AcquireGPUCommandBuffer(g_gpuDevice);
-	        const auto copyPass = SDL_BeginGPUCopyPass(cmdBuffer);
+            const auto copyPass = SDL_BeginGPUCopyPass(cmdBuffer);
 
-            SDL_GPUTransferBufferLocation src{
+            SDL_GPUTransferBufferLocation src{.transfer_buffer = g_stagingBuffer, .offset = 0};
-                .transfer_buffer = g_stagingBuffer,
+            SDL_GPUBufferRegion dst{.buffer = handle, .offset = 0, .size = dataSize};
-			    .offset = 0
-            };
-            SDL_GPUBufferRegion dst{
-                .buffer = handle,
-			    .offset = 0,
-			    .size = dataSize
-            };
             SDL_UploadToGPUBuffer(copyPass, &src, &dst, false);
 
             SDL_EndGPUCopyPass(copyPass);
             SDL_SubmitGPUCommandBuffer(cmdBuffer);
         }
 
-        res->m_handle = (Handle)handle;
+        res->m_handle = (Handle) handle;
 
         return res;
     }
 
+    GPUBuffer::~GPUBuffer()
+    {
+        if (m_handle)
+            SDL_ReleaseGPUBuffer(g_gpuDevice, (SDL_GPUBuffer *) m_handle);
+    }
+
     BOOL GPUBuffer::InitializeStagingBuffer()
     {
-        SDL_GPUTransferBufferCreateInfo createInfo{
+        SDL_GPUTransferBufferCreateInfo createInfo{.usage = SDL_GPU_TRANSFERBUFFERUSAGE_UPLOAD,
-            .usage = SDL_GPU_TRANSFERBUFFERUSAGE_UPLOAD,
+                                                   .size = g_stagingBufferSize};
-			.size = g_stagingBufferSize
+        if (!(g_stagingBuffer = SDL_CreateGPUTransferBuffer(g_gpuDevice, &createInfo)))
-        };
-        if(!(g_stagingBuffer = SDL_CreateGPUTransferBuffer(g_gpuDevice, &createInfo)))
         {
             IAE_LOG_ERROR("Couldn't create a SDL3 GPU Staging Buffer: ", SDL_GetError());
             return false;
@@ -88,7 +105,7 @@ namespace ia::iae
 
     VOID GPUBuffer::TerminateStagingBuffer()
     {
-        if(!g_stagingBuffer)
+        if (!g_stagingBuffer)
             return;
 
         SDL_ReleaseGPUTransferBuffer(g_gpuDevice, g_stagingBuffer);
@@ -96,16 +113,14 @@ namespace ia::iae
 
     BOOL GPUBuffer::EnsureStagingBufferSize(IN UINT32 size)
     {
-        if(!g_stagingBuffer)
+        if (!g_stagingBuffer)
             return false;
-        if(size <= g_stagingBufferSize)
+        if (size <= g_stagingBufferSize)
             return true;
         SDL_ReleaseGPUTransferBuffer(g_gpuDevice, g_stagingBuffer);
-        SDL_GPUTransferBufferCreateInfo createInfo{
+        SDL_GPUTransferBufferCreateInfo createInfo{.usage = SDL_GPU_TRANSFERBUFFERUSAGE_UPLOAD,
-            .usage = SDL_GPU_TRANSFERBUFFERUSAGE_UPLOAD,
+                                                   .size = (g_stagingBufferSize = size)};
-			.size = (g_stagingBufferSize = size)
+        if (!(g_stagingBuffer = SDL_CreateGPUTransferBuffer(g_gpuDevice, &createInfo)))
-        };
-        if(!(g_stagingBuffer = SDL_CreateGPUTransferBuffer(g_gpuDevice, &createInfo)))
         {
             IAE_LOG_ERROR("Couldn't create a SDL3 GPU Staging Buffer: ", SDL_GetError());
             return false;

Src/IAEngine/imp/cpp/Rendering/GPUTexture.cpp

@@ -0,0 +1,98 @@
+// IAEngine: 2D Game Engine by IA
+// Copyright (C) 2025 IAS (ias@iasoft.dev)
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <IAEngine/Rendering/GPUTexture.hpp>
+
+#include <SDL3/SDL_gpu.h>
+
+namespace ia::iae
+{
+    EXTERN SDL_GPUDevice *g_gpuDevice;
+
+    SDL_GPUSampler *g_defaultSampler{};
+
+    VOID GPUTexture::Initialize()
+    {
+        if (g_defaultSampler)
+            return;
+        SDL_GPUSamplerCreateInfo createInfo{
+            .min_filter = SDL_GPU_FILTER_LINEAR,
+            .mag_filter = SDL_GPU_FILTER_LINEAR,
+            .mipmap_mode = SDL_GPU_SAMPLERMIPMAPMODE_LINEAR,
+            .address_mode_u = SDL_GPU_SAMPLERADDRESSMODE_CLAMP_TO_EDGE,
+            .address_mode_v = SDL_GPU_SAMPLERADDRESSMODE_CLAMP_TO_EDGE,
+            .address_mode_w = SDL_GPU_SAMPLERADDRESSMODE_CLAMP_TO_EDGE,
+        };
+        g_defaultSampler = SDL_CreateGPUSampler(g_gpuDevice, &createInfo);
+    }
+
+    VOID GPUTexture::Terminate()
+    {
+        if (g_defaultSampler)
+            SDL_ReleaseGPUSampler(g_gpuDevice, g_defaultSampler);
+    }
+
+    Handle GPUTexture::GetDefaultSampler()
+    {
+        return (Handle) g_defaultSampler;
+    }
+
+    RefPtr<GPUTexture> GPUTexture::Create(IN PCUINT8 rgbaData, IN INT32 width, IN INT32 height)
+    {
+        const auto res = MakeRefPtr<GPUTexture>();
+
+        SDL_GPUTextureCreateInfo createInfo{.type = SDL_GPU_TEXTURETYPE_2D,
+                                            .format = SDL_GPU_TEXTUREFORMAT_R8G8B8A8_UNORM,
+                                            .usage = SDL_GPU_TEXTUREUSAGE_SAMPLER,
+                                            .width  = (UINT32)width,
+                                            .height = (UINT32)height,
+                                            .layer_count_or_depth = 1,
+                                            .num_levels = 1};
+
+        SDL_GPUTexture *handle{};
+        if (!(handle = SDL_CreateGPUTexture(g_gpuDevice, &createInfo)))
+        {
+            IAE_LOG_ERROR("Failed to create a SDL GPU Texture");
+            return nullptr;
+        }
+
+        SDL_GPUTransferBufferCreateInfo stagingBufferCreateInfo{.usage = SDL_GPU_TRANSFERBUFFERUSAGE_UPLOAD,
+                                                                .size = (UINT32)width * (UINT32)height * 4};
+        const auto stagingBuffer = SDL_CreateGPUTransferBuffer(g_gpuDevice, &stagingBufferCreateInfo);
+        const auto mappedPtr = SDL_MapGPUTransferBuffer(g_gpuDevice, stagingBuffer, false);
+        SDL_memcpy(mappedPtr, rgbaData, width * height * 4);
+        SDL_UnmapGPUTransferBuffer(g_gpuDevice, stagingBuffer);
+
+        const auto cmdBuffer = SDL_AcquireGPUCommandBuffer(g_gpuDevice);
+        const auto copyPass = SDL_BeginGPUCopyPass(cmdBuffer);
+        SDL_GPUTextureTransferInfo transferInfo{.transfer_buffer = stagingBuffer, .offset = 0};
+        SDL_GPUTextureRegion region{.texture = handle, .w = (UINT32)width, .h = (UINT32)height, .d = 1};
+        SDL_UploadToGPUTexture(copyPass, &transferInfo, &region, false);
+        SDL_EndGPUCopyPass(copyPass);
+        SDL_SubmitGPUCommandBuffer(cmdBuffer);
+        SDL_ReleaseGPUTransferBuffer(g_gpuDevice, stagingBuffer);
+
+        res->m_handle = (Handle) handle;
+
+        return res;
+    }
+
+    GPUTexture::~GPUTexture()
+    {
+        if (m_handle)
+            SDL_ReleaseGPUTexture(g_gpuDevice, (SDL_GPUTexture *) m_handle);
+    }
+} // namespace ia::iae

Src/IAEngine/imp/cpp/Rendering/Mesh/Quad.cpp

@@ -28,7 +28,7 @@ namespace ia::iae
         Vertex_Mesh vertices[6] = {{iam::Vec3f{-1, 1, 0}, iam::Vec2f{0, 0}}, {iam::Vec3f{1, 1, 0}, iam::Vec2f{1, 0}},
                                    {iam::Vec3f{1, -1, 0}, iam::Vec2f{1, 1}}, {iam::Vec3f{-1, 1, 0}, iam::Vec2f{0, 0}},
                                    {iam::Vec3f{1, -1, 0}, iam::Vec2f{1, 1}}, {iam::Vec3f{-1, -1, 0}, iam::Vec2f{0, 1}}};
-        g_quadMeshVertexBuffer = GPUBuffer::Create(&vertices, sizeof(vertices));
+        g_quadMeshVertexBuffer = GPUBuffer::Create(GPUBuffer::Usage::VERTEX, &vertices, sizeof(vertices));
     }
 
     VOID QuadMesh::Terminate()
@@ -39,6 +39,6 @@ namespace ia::iae
 
     VOID QuadMesh::Draw(IN CONST iam::Vec3f &position, IN CONST iam::Vec3f &scale, IN FLOAT32 rotation)
     {
-        Renderer::Draw((Handle)g_quadMeshVertexBuffer.get(), 6);
+        Renderer::Draw(g_quadMeshVertexBuffer->GetHandle(), 6);
     }
 } // namespace ia::iae

Src/IAEngine/imp/cpp/Rendering/Pipeline/UnlitMesh.cpp

@@ -27,6 +27,8 @@ namespace ia::iae
 
     Pipeline_UnlitMesh::~Pipeline_UnlitMesh()
     {
+        if(m_handle)
+            SDL_ReleaseGPUGraphicsPipeline(g_gpuDevice, (SDL_GPUGraphicsPipeline*)m_handle);
     }
 
     RefPtr<Pipeline_UnlitMesh> Pipeline_UnlitMesh::Create()
@@ -34,7 +36,7 @@ namespace ia::iae
         const auto res = MakeRefPtr<Pipeline_UnlitMesh>();
 
         const auto vertexShader = LoadShaderFromMemory(ShaderStage::VERTEX, SHADER_SOURCE_UNLITMESH_VERT, sizeof(SHADER_SOURCE_UNLITMESH_VERT), 0, 0, 0, 0);
-        const auto pixelShader = LoadShaderFromMemory(ShaderStage::PIXEL, SHADER_SOURCE_UNLITMESH_FRAG, sizeof(SHADER_SOURCE_UNLITMESH_FRAG), 0, 0, 0, 0);
+        const auto pixelShader = LoadShaderFromMemory(ShaderStage::PIXEL, SHADER_SOURCE_UNLITMESH_FRAG, sizeof(SHADER_SOURCE_UNLITMESH_FRAG), 1, 0, 0, 0);
 
         SDL_GPUColorTargetDescription colorTargets[] = {
             {.format = SDL_GetGPUSwapchainTextureFormat(g_gpuDevice, g_windowHandle)}};
@@ -49,7 +51,7 @@ namespace ia::iae
             {.location = 1,
              .buffer_slot = 0,
              .format = SDL_GPU_VERTEXELEMENTFORMAT_FLOAT2,
-             .offset = sizeof(float) * 3}};
+             .offset = sizeof(iam::Vec3f)}};
         SDL_GPUGraphicsPipelineCreateInfo createInfo = {
             .vertex_shader = (SDL_GPUShader *) vertexShader,
             .fragment_shader = (SDL_GPUShader *) pixelShader,

Src/IAEngine/imp/cpp/Rendering/Renderer.cpp

@@ -16,6 +16,7 @@
 
 #include <IAEngine/IAEngine.hpp>
 #include <IAEngine/Rendering/GPUBuffer.hpp>
+#include <IAEngine/Rendering/GPUTexture.hpp>
 #include <IAEngine/Rendering/Mesh/Quad.hpp>
 #include <IAEngine/Rendering/Pipeline/UnlitMesh.hpp>
 #include <IAEngine/Rendering/Renderer.hpp>
@@ -87,6 +88,8 @@ namespace ia::iae
         if (!GPUBuffer::InitializeStagingBuffer())
             return false;
 
+        GPUTexture::Initialize();
+
         g_pipelineUnlitMesh = Pipeline_UnlitMesh::Create();
 
         QuadMesh::Initialize();
@@ -98,8 +101,12 @@ namespace ia::iae
     {
         SDL_WaitForGPUIdle(g_gpuDevice);
 
+        g_pipelineUnlitMesh.reset();
+
         QuadMesh::Terminate();
 
+        GPUTexture::Terminate();
+
         GPUBuffer::TerminateStagingBuffer();
 
         ImGui_ImplSDL3_Shutdown();
@@ -172,6 +179,15 @@ namespace ia::iae
         SDL_SubmitGPUCommandBuffer(g_cmdBuffer);
     }
 
+    VOID Renderer::BindTexture(IN Handle handle, IN INT32 index)
+    {
+        SDL_GPUTextureSamplerBinding binding {
+            .texture = (SDL_GPUTexture*)handle,
+            .sampler = (SDL_GPUSampler*)GPUTexture::GetDefaultSampler()
+        };
+        SDL_BindGPUFragmentSamplers(g_renderPass, index, &binding, 1);
+    }
+
     VOID Renderer::Draw(IN Handle vertexBufferHandle, IN INT32 vertexCount)
     {
         SDL_GPUBufferBinding bindings[] = {{.buffer = (SDL_GPUBuffer *) vertexBufferHandle, .offset = 0}};

Src/IAEngine/imp/cpp/ResourceManager.cpp

@@ -15,6 +15,7 @@
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 #include <IAEngine/IAEngine.hpp>
+#include <IAEngine/Rendering/GPUTexture.hpp>
 #include <IAEngine/ResourceManager.hpp>
 
 #include <SDL3/SDL.h>
@@ -28,6 +29,12 @@ namespace ia::iae
     {
     }
 
+    ResourceManager::~ResourceManager()
+    {
+        for(auto& t: m_textures)
+            t.reset();
+    }
+
     RefPtr<Texture> ResourceManager::CreateTexture(IN CONST Span<CONST UINT8> &encodedData)
     {
         return CreateTexture(encodedData.data(), encodedData.size());
@@ -46,20 +53,8 @@ namespace ia::iae
 
     RefPtr<Texture> ResourceManager::CreateTexture(IN PCUINT8 rgbaData, IN INT32 width, IN INT32 height)
     {
-        //const auto result = MakeRefPtr<Texture>(m_engine);
+        const auto t = GPUTexture::Create(rgbaData, width, height);
-
+        m_textures.pushBack(t);
-        //result->m_width = width;
+        return MakeRefPtr<Texture>(t->GetHandle(), width, height);
-        //result->m_height = height;
-
-        //SDL_Surface *surface =
-        //    SDL_CreateSurfaceFrom(width, height, SDL_PIXELFORMAT_RGBA32, (void *) rgbaData, width << 2);
-        //if (!surface)
-        //    THROW_UNKNOWN("Failed to create SDL surface: ", SDL_GetError());
-        //result->m_handle = SDL_CreateTextureFromSurface((SDL_Renderer *) m_engine->GetRendererHandle(), surface);
-        //if (!result->m_handle)
-        //    THROW_UNKNOWN("Failed to create SDL Texture: ", SDL_GetError());
-        //SDL_DestroySurface(surface);
-
-        return nullptr;
     }
 } // namespace ia::iae

Src/IAEngine/imp/cpp/Texture.cpp

@@ -15,32 +15,26 @@
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 #include <IAEngine/IAEngine.hpp>
-#include <IAEngine/Rendering/Texture.hpp>
+#include <IAEngine/Texture.hpp>
 
-#include <SDL3/SDL.h>
+#include <IAEngine/Rendering/Renderer.hpp>
-
+#include <IAEngine/Rendering/Mesh/Quad.hpp>
-#define TEXTURE_HANDLE (SDL_Texture *) m_handle
 
 namespace ia::iae
 {
-    Texture::Texture()
+    Texture::Texture(IN Handle handle,IN INT32 width, IN INT32 height):
+    m_handle(handle), m_size({(FLOAT32)width, (FLOAT32)height, 1.0f})
     {
     }
 
     Texture::~Texture()
     {
-        SDL_DestroyTexture(TEXTURE_HANDLE);
     }
 
     VOID Texture::Draw(IN CONST iam::Vec3f &position, IN CONST iam::Vec3f &scale, IN FLOAT32 rotation, IN BOOL flipH,
                        IN BOOL flipV, IN CONST iam::Vec4f &colorOverlay) CONST
     {
-       // SDL_FRect rect{.x = position.X, .y = position.Y, .w = m_width * scale.X, .h = m_height * scale.Y};
+        Renderer::BindTexture(m_handle, 0);
-        //SDL_SetTextureColorModFloat(TEXTURE_HANDLE, colorOverlay.X, colorOverlay.Y, colorOverlay.Z);
+        QuadMesh::Draw(position, m_size * scale, rotation);
-        //SDL_SetTextureAlphaModFloat(TEXTURE_HANDLE, colorOverlay.W);
-        //SDL_RenderTextureRotated((SDL_Renderer *) m_engine->GetRendererHandle(), TEXTURE_HANDLE, nullptr, &rect,
-        //                         rotation, nullptr,
-        //                         (SDL_FlipMode) (SDL_FLIP_NONE | (flipV ? SDL_FLIP_VERTICAL : SDL_FLIP_NONE) |
-        //                                         (flipH ? SDL_FLIP_HORIZONTAL : SDL_FLIP_NONE)));
     }
 } // namespace ia::iae

Src/IAEngine/imp/glsl/UnlitMesh/UnlitMesh.frag

@@ -5,7 +5,9 @@ layout(location = 0) in vec2 inTexCoord;
 
 layout(location = 0) out vec4 outColor;
 
+layout(set = 2, binding = 0) uniform sampler2D texSampler;
+
 void main()
 {
-    outColor = vec4(0, 1, 0, 1);
+    outColor = texture(texSampler, inTexCoord);
 }

Src/IAEngine/imp/glsl/UnlitMesh/UnlitMesh.vert

@@ -1,10 +1,13 @@
 #version 450
 #extension GL_ARB_separate_shader_objects : enable
 
+layout (location = 0) in vec3 inPosition;
+layout (location = 1) in vec2 inTexcCoord;
+
 layout(location = 0) out vec2 outTexCoord;
 
 void main()
 {
-    outTexCoord = vec2((gl_VertexIndex << 1) & 2, gl_VertexIndex & 2);
+	gl_Position = vec4(inPosition, 1.0f);
-	gl_Position = vec4(outTexCoord * 2.0f - 1.0f, 0.0f, 1.0f);
+    outTexCoord = inTexcCoord;
 }

Src/IAEngine/inc/IAEngine/Components/AtlasRenderer.hpp

@@ -17,7 +17,7 @@
 #pragma once
 
 #include <IAEngine/Components/Component.hpp>
-#include <IAEngine/Rendering/Texture.hpp>
+#include <IAEngine/Texture.hpp>
 
 namespace ia::iae
 {

Src/IAEngine/inc/IAEngine/Components/SpriteRenderer.hpp

@@ -17,7 +17,7 @@
 #pragma once
 
 #include <IAEngine/Components/Component.hpp>
-#include <IAEngine/Rendering/Texture.hpp>
+#include <IAEngine/Texture.hpp>
 
 namespace ia::iae
 {

Src/IAEngine/inc/IAEngine/Components/TextureRenderer.hpp

@@ -17,7 +17,7 @@
 #pragma once
 
 #include <IAEngine/Components/Component.hpp>
-#include <IAEngine/Rendering/Texture.hpp>
+#include <IAEngine/Texture.hpp>
 
 namespace ia::iae
 {

Src/IAEngine/inc/IAEngine/IAEngine.hpp

@@ -17,7 +17,7 @@
 #pragma once
 
 #include <IAEngine/Nodes/Node.hpp>
-#include <IAEngine/Rendering/Texture.hpp>
+#include <IAEngine/Texture.hpp>
 #include <IAEngine/Rendering/Renderer.hpp>
 #include <IAEngine/ResourceManager.hpp>
 #include <IAEngine/Scene.hpp>

Src/IAEngine/inc/IAEngine/Nodes/Node.hpp

@@ -18,7 +18,7 @@
 
 #include <IAEngine/Components/Component.hpp>
 #include <IAEngine/Nodes/Transform.hpp>
-#include <IAEngine/Rendering/Texture.hpp>
+#include <IAEngine/Texture.hpp>
 
 namespace ia::iae
 {

Src/IAEngine/inc/IAEngine/Rendering/GPUBuffer.hpp

@@ -25,15 +25,33 @@ namespace ia::iae
     class GPUBuffer
     {
       public:
-        STATIC RefPtr<GPUBuffer> Create(IN PCVOID data, IN UINT32 dataSize);
+        enum class Usage
+        {
+            VERTEX,
+            INDEX,
+            STORAGE
+        };
+
+      public:
+        ~GPUBuffer();
+
+        STATIC RefPtr<GPUBuffer> Create(IN Usage usage, IN PCVOID data, IN UINT32 dataSize);
+
+      public:
+        Handle GetHandle() CONST
+        {
+            return m_handle;
+        }
 
       private:
+      Usage m_usage{};
+        UINT32 m_size{};
         Handle m_handle{};
 
       private:
         STATIC BOOL InitializeStagingBuffer();
         STATIC VOID TerminateStagingBuffer();
-        STATIC BOOL EnsureStagingBufferSize(IN UINT32 size); 
+        STATIC BOOL EnsureStagingBufferSize(IN UINT32 size);
 
         friend class Renderer;
     };

Src/IAEngine/inc/IAEngine/Rendering/GPUTexture.hpp

@@ -0,0 +1,44 @@
+// IAEngine: 2D Game Engine by IA
+// Copyright (C) 2025 IAS (ias@iasoft.dev)
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#pragma once
+
+#include <IAEngine/Base.hpp>
+
+namespace ia::iae
+{
+    class GPUTexture
+    {
+      public:
+        STATIC VOID Initialize();
+        STATIC VOID Terminate();
+        STATIC Handle GetDefaultSampler();
+
+      public:
+        ~GPUTexture();
+
+        STATIC RefPtr<GPUTexture> Create(IN PCUINT8 rgbaData, IN INT32 width, IN INT32 height);
+
+      public:
+        Handle GetHandle() CONST
+        {
+            return m_handle;
+        }
+
+      private:
+        Handle m_handle{};
+    };
+} // namespace ia::iae

Src/IAEngine/inc/IAEngine/Rendering/Renderer.hpp

@@ -44,6 +44,8 @@ namespace ia::iae
         STATIC VOID BeginFrame();
         STATIC VOID EndFrame();
 
+        STATIC VOID BindTexture(IN Handle handle, IN INT32 index);
+
         STATIC VOID Draw(IN Handle vertexBufferHandle, IN INT32 vertexCount);
         STATIC VOID Draw(IN Handle vertexBufferHandle, IN Handle indexBufferHandle, IN INT32 indexCount);
 

Src/IAEngine/inc/IAEngine/ResourceManager.hpp

@@ -17,7 +17,7 @@
 #pragma once
 
 #include <IAEngine/Audio.hpp>
-#include <IAEngine/Rendering/Texture.hpp>
+#include <IAEngine/Texture.hpp>
 
 namespace ia::iae
 {
@@ -27,6 +27,7 @@ namespace ia::iae
     {
       public:
         ResourceManager(IN Engine *engine);
+        ~ResourceManager();
 
         RefPtr<Texture> CreateTexture(IN CONST Span<CONST UINT8> &encodedData);
         RefPtr<Texture> CreateTexture(IN PCUINT8 encodedData, IN SIZE_T encodedDataSize);
@@ -45,6 +46,7 @@ namespace ia::iae
 
       protected:
         Engine *CONST m_engine;
+        Vector<RefPtr<class GPUTexture>> m_textures;
 
         friend class Engine;
     };

Src/IAEngine/inc/IAEngine/Texture.hpp

@@ -23,26 +23,26 @@ namespace ia::iae
     class Texture
     {
       public:
-        Texture();
+        Texture(IN Handle handle, IN INT32 width, IN INT32 height);
         ~Texture();
 
       public:
-        VOID Draw(IN CONST iam::Vec3f& position, IN CONST iam::Vec3f& scale, IN FLOAT32 rotation, IN BOOL flipH, IN BOOL flipV, IN CONST iam::Vec4f& colorOverlay) CONST;
+        VOID Draw(IN CONST iam::Vec3f &position, IN CONST iam::Vec3f &scale, IN FLOAT32 rotation, IN BOOL flipH,
+                  IN BOOL flipV, IN CONST iam::Vec4f &colorOverlay) CONST;
 
       public:
         INT32 GetWidth() CONST
         {
-            return m_width;
+            return (INT32)m_size.X;
         }
 
         INT32 GetHeight() CONST
         {
-            return m_height;
+            return (INT32)m_size.Y;
         }
 
       private:
-        INT32 m_width;
+      CONST Handle m_handle{};
-        INT32 m_height;
+      CONST iam::Vec3f m_size;
-        PVOID m_handle{};
     };
 } // namespace ia::iae