Pipeline

.vscode/settings.json

@@ -1,5 +1,14 @@
 {
     "files.associations": {
-        "functional": "cpp"
+        "functional": "cpp",
+        "array": "cpp",
+        "utility": "cpp",
+        "xutility": "cpp",
+        "compare": "cpp",
+        "memory": "cpp",
+        "tuple": "cpp",
+        "type_traits": "cpp",
+        "xmemory": "cpp",
+        "xtr1common": "cpp"
     }
 }

Src/IAEngine/CMakeLists.txt

@@ -9,9 +9,15 @@ set(IAEngine_Sources
 
     imp/cpp/ResourceManager.cpp
 
-    imp/cpp/Rendering/Texture.cpp
     imp/cpp/Rendering/Camera.cpp
+    imp/cpp/Rendering/Texture.cpp
     imp/cpp/Rendering/Renderer.cpp
+    imp/cpp/Rendering/GPUBuffer.cpp
+
+    imp/cpp/Rendering/Mesh/Quad.cpp
+
+    imp/cpp/Rendering/Pipeline/Pipeline.cpp
+    imp/cpp/Rendering/Pipeline/UnlitMesh.cpp
 
     imp/cpp/Physics/Physics.cpp
 

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

@@ -0,0 +1,115 @@
+// 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/GPUBuffer.hpp>
+
+#include <SDL3/SDL_gpu.h>
+
+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)
+    {
+        const auto res = MakeRefPtr<GPUBuffer>();
+
+        SDL_GPUBufferCreateInfo createInfo{
+            .usage = SDL_GPU_BUFFERUSAGE_VERTEX,
+			.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(!EnsureStagingBufferSize((UINT32)dataSize))
+                return nullptr;
+
+            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);
+
+            SDL_GPUTransferBufferLocation src{
+                .transfer_buffer = g_stagingBuffer,
+			    .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;
+
+        return res;
+    }
+
+    BOOL GPUBuffer::InitializeStagingBuffer()
+    {
+        SDL_GPUTransferBufferCreateInfo createInfo{
+            .usage = SDL_GPU_TRANSFERBUFFERUSAGE_UPLOAD,
+			.size = g_stagingBufferSize
+        };
+        if(!(g_stagingBuffer = SDL_CreateGPUTransferBuffer(g_gpuDevice, &createInfo)))
+        {
+            IAE_LOG_ERROR("Couldn't create a SDL3 GPU Staging Buffer: ", SDL_GetError());
+            return false;
+        }
+        return true;
+    }
+
+    VOID GPUBuffer::TerminateStagingBuffer()
+    {
+        if(!g_stagingBuffer)
+            return;
+
+        SDL_ReleaseGPUTransferBuffer(g_gpuDevice, g_stagingBuffer);
+    }
+
+    BOOL GPUBuffer::EnsureStagingBufferSize(IN UINT32 size)
+    {
+        if(!g_stagingBuffer)
+            return false;
+        if(size <= g_stagingBufferSize)
+            return true;
+        SDL_ReleaseGPUTransferBuffer(g_gpuDevice, g_stagingBuffer);
+        SDL_GPUTransferBufferCreateInfo createInfo{
+            .usage = SDL_GPU_TRANSFERBUFFERUSAGE_UPLOAD,
+			.size = (g_stagingBufferSize = size)
+        };
+        if(!(g_stagingBuffer = SDL_CreateGPUTransferBuffer(g_gpuDevice, &createInfo)))
+        {
+            IAE_LOG_ERROR("Couldn't create a SDL3 GPU Staging Buffer: ", SDL_GetError());
+            return false;
+        }
+        return true;
+    }
+} // namespace ia::iae

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

@@ -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/>.
+
+#include <IAEngine/Rendering/GPUBuffer.hpp>
+#include <IAEngine/Rendering/Mesh/Quad.hpp>
+#include <IAEngine/Rendering/Renderer.hpp>
+#include <IAEngine/Rendering/Types.hpp>
+
+namespace ia::iae
+{
+    RefPtr<GPUBuffer> g_quadMeshVertexBuffer{};
+
+    VOID QuadMesh::Initialize()
+    {
+        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));
+    }
+
+    VOID QuadMesh::Terminate()
+    {
+        if(g_quadMeshVertexBuffer)
+            g_quadMeshVertexBuffer.reset();
+    }
+
+    VOID QuadMesh::Draw(IN CONST iam::Vec3f &position, IN CONST iam::Vec3f &scale, IN FLOAT32 rotation)
+    {
+        Renderer::Draw((Handle)g_quadMeshVertexBuffer.get(), 6);
+    }
+} // namespace ia::iae

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

@@ -0,0 +1,83 @@
+// 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/Pipeline/Pipeline.hpp>
+
+#include <IACore/File.hpp>
+
+#include <SDL3/SDL_gpu.h>
+
+namespace ia::iae
+{
+    EXTERN SDL_GPUDevice *g_gpuDevice;
+
+    Handle IPipeline::LoadShaderFromMemory(IN ShaderStage _stage, IN PCUINT8 sourceData, IN SIZE_T sourceLength,
+                                           IN UINT32 samplerCount, IN UINT32 uniformBufferCount,
+                                           IN UINT32 storageBufferCount, IN UINT32 storageTextureCount)
+    {
+        SDL_GPUShader* res{};
+
+        SDL_GPUShaderStage stage{};
+        switch (_stage)
+        {
+        case ShaderStage::VERTEX:
+            stage = SDL_GPU_SHADERSTAGE_VERTEX;
+            break;
+
+        case ShaderStage::PIXEL:
+            stage = SDL_GPU_SHADERSTAGE_FRAGMENT;
+            break;
+
+        default:
+            THROW_INVALID_DATA("Unsupported shader stage");
+            break;
+        }
+
+        SDL_GPUShaderCreateInfo createInfo = {
+            .code_size = sourceLength,
+            .code = sourceData,
+            .entrypoint = "main",
+            .format = SDL_GPU_SHADERFORMAT_SPIRV,
+            .stage = stage,
+            .num_samplers = samplerCount,
+            .num_storage_textures = storageTextureCount,
+            .num_storage_buffers = storageBufferCount,
+            .num_uniform_buffers = uniformBufferCount,
+        };
+        
+        if(!(res = SDL_CreateGPUShader(g_gpuDevice, &createInfo)))
+        {
+            IAE_LOG_ERROR("Failed to create a SDL shader: ", SDL_GetError());
+            return INVALID_HANDLE;
+        }
+
+        return (Handle)res;
+    }
+
+    Handle IPipeline::LoadShaderFromFile(IN ShaderStage stage, IN PCCHAR fileName, IN UINT32 samplerCount,
+                                         IN UINT32 uniformBufferCount, IN UINT32 storageBufferCount,
+                                         IN UINT32 storageTextureCount)
+    {
+        const auto source = File::ReadToVector(fileName);
+        return LoadShaderFromMemory(stage, source.data(), source.size(), samplerCount, uniformBufferCount,
+                                    storageBufferCount, storageTextureCount);
+    }
+
+    VOID IPipeline::UnloadShader(IN Handle handle)
+    {
+        SDL_ReleaseGPUShader(g_gpuDevice, (SDL_GPUShader *) handle);
+    }
+} // namespace ia::iae

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

@@ -0,0 +1,89 @@
+// 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/Pipeline/UnlitMesh.hpp>
+
+#include <SDL3/SDL_gpu.h>
+
+#include <EmbeddedShaders.hpp>
+
+namespace ia::iae
+{
+    EXTERN SDL_GPUDevice *g_gpuDevice;
+    EXTERN SDL_Window *g_windowHandle;
+
+    Pipeline_UnlitMesh::~Pipeline_UnlitMesh()
+    {
+    }
+
+    RefPtr<Pipeline_UnlitMesh> Pipeline_UnlitMesh::Create()
+    {
+        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);
+
+        SDL_GPUColorTargetDescription colorTargets[] = {
+            {.format = SDL_GetGPUSwapchainTextureFormat(g_gpuDevice, g_windowHandle)}};
+        SDL_GPUVertexBufferDescription vertexBuffers[] = {{
+            .slot = 0,
+            .pitch = sizeof(Vertex_Mesh),
+            .input_rate = SDL_GPU_VERTEXINPUTRATE_VERTEX,
+            .instance_step_rate = 0,
+        }};
+        SDL_GPUVertexAttribute vertexAttributes[] = {
+            {.location = 0, .buffer_slot = 0, .format = SDL_GPU_VERTEXELEMENTFORMAT_FLOAT3, .offset = 0},
+            {.location = 1,
+             .buffer_slot = 0,
+             .format = SDL_GPU_VERTEXELEMENTFORMAT_FLOAT2,
+             .offset = sizeof(float) * 3}};
+        SDL_GPUGraphicsPipelineCreateInfo createInfo = {
+            .vertex_shader = (SDL_GPUShader *) vertexShader,
+            .fragment_shader = (SDL_GPUShader *) pixelShader,
+            .vertex_input_state =
+                SDL_GPUVertexInputState{.vertex_buffer_descriptions = vertexBuffers,
+                                        .num_vertex_buffers = sizeof(vertexBuffers) / sizeof(vertexBuffers[0]),
+                                        .vertex_attributes = vertexAttributes,
+                                        .num_vertex_attributes =
+                                            sizeof(vertexAttributes) / sizeof(vertexAttributes[0])},
+            .primitive_type = SDL_GPU_PRIMITIVETYPE_TRIANGLELIST,
+            .target_info =
+                {
+                    .color_target_descriptions = colorTargets,
+                    .num_color_targets = sizeof(colorTargets) / sizeof(colorTargets[0]),
+                },
+        };
+
+        SDL_GPUGraphicsPipeline* handle{};
+        if(!(handle = SDL_CreateGPUGraphicsPipeline(g_gpuDevice, &createInfo)))
+        {
+            IAE_LOG_ERROR("Failed to create a SDL graphics pipeline: ", SDL_GetError());
+            return nullptr;
+        }
+
+        UnloadShader(pixelShader);
+        UnloadShader(vertexShader);
+
+        res->m_handle = (Handle)handle;
+
+        return res;
+    }
+
+    VOID Pipeline_UnlitMesh::Bind(IN Handle renderPassHandle)
+    {
+        SDL_BindGPUGraphicsPipeline((SDL_GPURenderPass*)renderPassHandle, (SDL_GPUGraphicsPipeline*)m_handle);
+    }
+} // namespace ia::iae

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

@@ -15,6 +15,9 @@
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 #include <IAEngine/IAEngine.hpp>
+#include <IAEngine/Rendering/GPUBuffer.hpp>
+#include <IAEngine/Rendering/Mesh/Quad.hpp>
+#include <IAEngine/Rendering/Pipeline/UnlitMesh.hpp>
 #include <IAEngine/Rendering/Renderer.hpp>
 
 #include <SDL3/SDL_gpu.h>
@@ -40,13 +43,13 @@ namespace ia::iae
     ImGuiIO g_imGUIIO{};
     ImDrawData *g_imDrawData{};
 
+    RefPtr<Pipeline_UnlitMesh> g_pipelineUnlitMesh;
+
     BOOL Renderer::Initialize(IN Engine *engine)
     {
         g_windowHandle = (SDL_Window *) engine->GetWindowHandle();
 
-        if (!(g_gpuDevice =
-                  SDL_CreateGPUDevice(SDL_GPU_SHADERFORMAT_SPIRV | SDL_GPU_SHADERFORMAT_DXIL | SDL_GPU_SHADERFORMAT_MSL,
-                                      engine->IsDebugMode, nullptr)))
+        if (!(g_gpuDevice = SDL_CreateGPUDevice(SDL_GPU_SHADERFORMAT_SPIRV, engine->IsDebugMode, nullptr)))
         {
             IAE_LOG_ERROR("Couldn't create SDL3 GPU Device: ", SDL_GetError());
             return false;
@@ -57,7 +60,8 @@ namespace ia::iae
             IAE_LOG_ERROR("Couldn't initialize SDL3 GPU for the window: ", SDL_GetError());
             return false;
         }
-        SDL_SetGPUSwapchainParameters(g_gpuDevice, g_windowHandle, SDL_GPU_SWAPCHAINCOMPOSITION_SDR, SDL_GPU_PRESENTMODE_VSYNC);
+        SDL_SetGPUSwapchainParameters(g_gpuDevice, g_windowHandle, SDL_GPU_SWAPCHAINCOMPOSITION_SDR,
+                                      SDL_GPU_PRESENTMODE_VSYNC);
 
         const auto mainScale = SDL_GetDisplayContentScale(SDL_GetPrimaryDisplay());
 
@@ -73,14 +77,20 @@ namespace ia::iae
         style.ScaleAllSizes(mainScale);
         style.FontScaleDpi = mainScale;
 
-        ImGui_ImplSDLGPU3_InitInfo initInfo{
-            .Device = g_gpuDevice,
-            .ColorTargetFormat = SDL_GetGPUSwapchainTextureFormat(g_gpuDevice, g_windowHandle),
-            .PresentMode = SDL_GPU_PRESENTMODE_VSYNC
-        };
+        ImGui_ImplSDLGPU3_InitInfo initInfo{.Device = g_gpuDevice,
+                                            .ColorTargetFormat =
+                                                SDL_GetGPUSwapchainTextureFormat(g_gpuDevice, g_windowHandle),
+                                            .PresentMode = SDL_GPU_PRESENTMODE_VSYNC};
         ImGui_ImplSDL3_InitForSDLGPU(g_windowHandle);
         ImGui_ImplSDLGPU3_Init(&initInfo);
 
+        if (!GPUBuffer::InitializeStagingBuffer())
+            return false;
+
+        g_pipelineUnlitMesh = Pipeline_UnlitMesh::Create();
+
+        QuadMesh::Initialize();
+
         return true;
     }
 
@@ -88,6 +98,10 @@ namespace ia::iae
     {
         SDL_WaitForGPUIdle(g_gpuDevice);
 
+        QuadMesh::Terminate();
+
+        GPUBuffer::TerminateStagingBuffer();
+
         ImGui_ImplSDL3_Shutdown();
         ImGui_ImplSDLGPU3_Shutdown();
         ImGui::DestroyContext();
@@ -144,6 +158,8 @@ namespace ia::iae
         colorTargetInfo.store_op = SDL_GPU_STOREOP_STORE;
 
         g_renderPass = SDL_BeginGPURenderPass(g_cmdBuffer, &colorTargetInfo, 1, NULL);
+
+        g_pipelineUnlitMesh->Bind((Handle) g_renderPass);
     }
 
     VOID Renderer::EndFrame()
@@ -155,4 +171,20 @@ namespace ia::iae
         SDL_EndGPURenderPass(g_renderPass);
         SDL_SubmitGPUCommandBuffer(g_cmdBuffer);
     }
+
+    VOID Renderer::Draw(IN Handle vertexBufferHandle, IN INT32 vertexCount)
+    {
+        SDL_GPUBufferBinding bindings[] = {{.buffer = (SDL_GPUBuffer *) vertexBufferHandle, .offset = 0}};
+        SDL_BindGPUVertexBuffers(g_renderPass, 0, bindings, 1);
+        SDL_DrawGPUPrimitives(g_renderPass, vertexCount, 1, 0, 0);
+    }
+
+    VOID Renderer::Draw(IN Handle vertexBufferHandle, IN Handle indexBufferHandle, IN INT32 indexCount)
+    {
+        SDL_GPUBufferBinding bindings[] = {{.buffer = (SDL_GPUBuffer *) vertexBufferHandle, .offset = 0},
+                                           {.buffer = (SDL_GPUBuffer *) indexBufferHandle, .offset = 0}};
+        SDL_BindGPUVertexBuffers(g_renderPass, 0, bindings, 1);
+        SDL_BindGPUIndexBuffer(g_renderPass, &bindings[1], SDL_GPU_INDEXELEMENTSIZE_32BIT);
+        SDL_DrawGPUIndexedPrimitives(g_renderPass, indexCount, 1, 0, 0, 0);
+    }
 } // namespace ia::iae

Src/IAEngine/imp/cpp/Rendering/Texture.cpp

@@ -23,7 +23,7 @@
 
 namespace ia::iae
 {
-    Texture::Texture(IN Engine *engine) : m_engine(engine)
+    Texture::Texture()
     {
     }
 
@@ -35,8 +35,7 @@ namespace ia::iae
     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};
-
+       // SDL_FRect rect{.x = position.X, .y = position.Y, .w = m_width * scale.X, .h = m_height * scale.Y};
         //SDL_SetTextureColorModFloat(TEXTURE_HANDLE, colorOverlay.X, colorOverlay.Y, colorOverlay.Z);
         //SDL_SetTextureAlphaModFloat(TEXTURE_HANDLE, colorOverlay.W);
         //SDL_RenderTextureRotated((SDL_Renderer *) m_engine->GetRendererHandle(), TEXTURE_HANDLE, nullptr, &rect,

Src/IAEngine/imp/cpp/ResourceManager.cpp

@@ -46,10 +46,10 @@ 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 result = MakeRefPtr<Texture>(m_engine);
 
-        result->m_width = width;
-        result->m_height = height;
+        //result->m_width = width;
+        //result->m_height = height;
 
         //SDL_Surface *surface =
         //    SDL_CreateSurfaceFrom(width, height, SDL_PIXELFORMAT_RGBA32, (void *) rgbaData, width << 2);
@@ -60,6 +60,6 @@ namespace ia::iae
         //    THROW_UNKNOWN("Failed to create SDL Texture: ", SDL_GetError());
         //SDL_DestroySurface(surface);
 
-        return result;
+        return nullptr;
     }
 } // namespace ia::iae

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

@@ -0,0 +1,11 @@
+#version 450
+#extension GL_ARB_separate_shader_objects : enable
+
+layout(location = 0) in vec2 inTexCoord;
+
+layout(location = 0) out vec4 outColor;
+
+void main()
+{
+    outColor = vec4(0, 1, 0, 1);
+}

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

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

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

@@ -0,0 +1,40 @@
+// 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 Renderer;
+
+    class GPUBuffer
+    {
+      public:
+        STATIC RefPtr<GPUBuffer> Create(IN PCVOID data, IN UINT32 dataSize);
+
+      private:
+        Handle m_handle{};
+
+      private:
+        STATIC BOOL InitializeStagingBuffer();
+        STATIC VOID TerminateStagingBuffer();
+        STATIC BOOL EnsureStagingBufferSize(IN UINT32 size); 
+
+        friend class Renderer;
+    };
+} // namespace ia::iae

Src/IAEngine/inc/IAEngine/Rendering/Mesh/Quad.hpp

@@ -0,0 +1,31 @@
+// 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 QuadMesh
+    {
+      public:
+        STATIC VOID Initialize();
+        STATIC VOID Terminate();
+
+        STATIC VOID Draw(IN CONST iam::Vec3f &position, IN CONST iam::Vec3f &scale, IN FLOAT32 rotation);
+    };
+} // namespace ia::iae

Src/IAEngine/inc/IAEngine/Rendering/Pipeline/Pipeline.hpp

@@ -0,0 +1,47 @@
+// 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/Rendering/Types.hpp>
+
+namespace ia::iae
+{
+    class IPipeline
+    {
+      public:
+        enum class ShaderStage
+        {
+            VERTEX,
+            PIXEL,
+            COMPUTE,
+            GEOMETRY
+        };
+
+      public:
+        PURE_VIRTUAL(VOID Bind(IN Handle renderPassHandle));
+
+      protected:
+        STATIC Handle LoadShaderFromMemory(IN ShaderStage stage, IN PCUINT8 sourceData, IN SIZE_T sourceLength, IN UINT32 samplerCount,
+                                    IN UINT32 uniformBufferCount, IN UINT32 storageBufferCount,
+                                    IN UINT32 storageTextureCount);
+        STATIC Handle LoadShaderFromFile(IN ShaderStage stage, IN PCCHAR fileName, IN UINT32 samplerCount,
+                                  IN UINT32 uniformBufferCount, IN UINT32 storageBufferCount,
+                                  IN UINT32 storageTextureCount);
+
+        STATIC VOID UnloadShader(IN Handle handle);
+    };
+} // namespace ia::iae

Src/IAEngine/inc/IAEngine/Rendering/Pipeline/UnlitMesh.hpp

@@ -0,0 +1,35 @@
+// 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/Rendering/Pipeline/Pipeline.hpp>
+
+namespace ia::iae
+{
+    class Pipeline_UnlitMesh: public IPipeline
+    {
+    public:
+        ~Pipeline_UnlitMesh();
+
+        STATIC RefPtr<Pipeline_UnlitMesh> Create();
+
+        VOID Bind(IN Handle renderPassHandle);
+
+    private:
+        Handle m_handle{INVALID_HANDLE};
+    };
+}

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

@@ -44,6 +44,9 @@ namespace ia::iae
         STATIC VOID BeginFrame();
         STATIC VOID EndFrame();
 
+        STATIC VOID Draw(IN Handle vertexBufferHandle, IN INT32 vertexCount);
+        STATIC VOID Draw(IN Handle vertexBufferHandle, IN Handle indexBufferHandle, IN INT32 indexCount);
+
       public:
         STATIC INT32 Width()
         {

Src/IAEngine/inc/IAEngine/Rendering/Texture.hpp

@@ -20,12 +20,10 @@
 
 namespace ia::iae
 {
-    class Engine;
-
     class Texture
     {
       public:
-        Texture(IN Engine* engine);
+        Texture();
         ~Texture();
 
       public:
@@ -46,10 +44,5 @@ namespace ia::iae
         INT32 m_width;
         INT32 m_height;
         PVOID m_handle{};
-        Engine* CONST m_engine;
-
-      private:
-        friend class Engine;
-        friend class ResourceManager;
     };
 } // namespace ia::iae

Src/IAEngine/inc/IAEngine/Rendering/Types.hpp

@@ -0,0 +1,30 @@
+// 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
+{
+    struct Vertex_Mesh
+    {
+        iam::Vec3f Position{};
+        iam::Vec2f UV{};
+    };
+
+    
+}

Src/IAEngine/srcgen/embed_shaders.py

@@ -0,0 +1,61 @@
+import os
+
+GEN_SOURCE_PREFIX = """// 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/>.
+
+// ----------------------------------------------------------------------
+//                      GENERATED FILE. DO NOT EDIT.
+// ----------------------------------------------------------------------
+
+#pragma once
+
+#include <IAEngine/Base.hpp>
+
+namespace ia::iae
+{
+"""
+
+GEN_SOURCE_SUFFIX = """} // namespace ia::iae\n"""
+GEN_SOURCE_PATH = "Src/IAEngine/imp/hpp/EmbeddedShaders.hpp"
+SHADER_SOURCE_PATH = "Src/IAEngine/imp/glsl"
+
+SHADER_SOURCE_FILES = [
+    "UnlitMesh/UnlitMesh.vert",
+    "UnlitMesh/UnlitMesh.frag"
+]
+
+def file_to_source_array(arrayName, filePath):
+    data = b''
+    with open(filePath, 'rb') as f:
+        data = f.read()
+    res = f"CONSTEXPR UINT8 {arrayName}[{len(data)}] = {{\n"
+    for d in data:
+        res += f"{hex(d)},"
+    res += "};\n"
+    return res
+
+def main():
+    with open(GEN_SOURCE_PATH, 'w') as outFile:
+        outFile.write(GEN_SOURCE_PREFIX)
+        for fileName in SHADER_SOURCE_FILES:
+            p = f"{SHADER_SOURCE_PATH}/{fileName}"
+            os.system(f"glslc {p} -o {p}.spv")
+            src = file_to_source_array(f"SHADER_SOURCE_{fileName.split('/')[-1].upper().replace('.', '_')}", f"{p}.spv")
+            outFile.write(f"{src}\n")
+            os.remove(f"{p}.spv")
+        outFile.write(GEN_SOURCE_SUFFIX)
+    
+main()