Batch Renderer 1/2

.gitmodules

@@ -14,3 +14,9 @@
 [submodule "Vendor/SDL"]
 	path = Vendor/SDL
 	url = https://github.com/I-A-S/SDL
+[submodule "Vendor/glm"]
+	path = Vendor/glm
+	url = https://github.com/g-truc/glm
+[submodule "Vendor/pugixml"]
+	path = Vendor/pugixml
+	url = https://github.com/zeux/pugixml

.vscode/launch.json

@@ -0,0 +1,20 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "(Windows) Launch",
+            "type": "cppvsdbg",
+            "request": "launch",
+            "args": [],
+            "stopAtEntry": false,
+            "environment": [],
+            "console": "integratedTerminal",
+            "program": "${workspaceFolder}/Build/Windows/bin/IAERPG.exe",
+            "cwd": "${workspaceFolder}/Samples/RPG",
+            "preLaunchTask": "build",
+        }
+    ]
+}

.vscode/tasks.json

@@ -0,0 +1,14 @@
+{
+	"version": "2.0.0",
+    "tasks": [
+        {
+            "type": "shell",
+            "label": "build",
+            "command": "python3 Tools/Scripts/Builder/Build.py",
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            }
+        }
+    ]
+}

Resources/Shaders/Debug.frag

@@ -0,0 +1,16 @@
+#version 450
+#extension GL_ARB_separate_shader_objects : enable
+
+layout(location = 0) in vec2 inTexCoord;
+layout(location = 1) in vec4 inVertexColor;
+
+layout(location = 0) out vec4 outColor;
+
+layout(set = 2, binding = 0) uniform sampler2D texSampler;
+
+void main()
+{
+    outColor = inVertexColor;
+    if(outColor.w < 0.1)
+        discard;
+}

Resources/Shaders/Debug.vert

@@ -0,0 +1,34 @@
+#version 450
+#extension GL_ARB_separate_shader_objects : enable
+
+struct SpriteInstanceData
+{
+    mat4 Transform;
+    vec4 TexCoords;
+    vec4 Color;
+};
+
+layout (location = 0) in vec2 inPosition;
+layout (location = 1) in vec2 inTexCoord;
+
+layout(location = 0) out vec2 outTexCoord;
+layout(location = 1) out vec4 outVertexColor;
+
+layout(set = 0, binding = 0) readonly buffer SBO_SpriteData {
+    SpriteInstanceData data[];
+} sboSpriteData;
+
+layout(set = 1, binding = 0) uniform UBO_Vertex_PerScene {
+    mat4 projection;
+} uboPerScene;
+layout(set = 1, binding = 1) uniform UBO_Vertex_PerFrame {
+    mat4 view;
+} uboPerFrame;
+
+void main()
+{
+    SpriteInstanceData spriteData = sboSpriteData.data[gl_InstanceIndex];
+	gl_Position = uboPerScene.projection * uboPerFrame.view * spriteData.Transform * vec4(inPosition, 0.0f, 1.0f);
+    outTexCoord = inTexCoord;
+    outVertexColor = spriteData.Color;
+}

Resources/Shaders/Geometry.vert

@@ -3,7 +3,6 @@
 
 layout (location = 0) in vec2 inPosition;
 layout (location = 1) in vec2 inTexCoord;
-layout (location = 2) in vec4 inVertexColor;
 
 layout(location = 0) out vec2 outTexCoord;
 layout(location = 1) out vec4 outVertexColor;
@@ -22,5 +21,5 @@ void main()
 {
 	gl_Position = uboPerScene.projection * uboPerFrame.view * uboPerDraw.model * vec4(inPosition, 0.0f, 1.0f);
     outTexCoord = inTexCoord;
-    outVertexColor = inVertexColor;
+    //outVertexColor = inVertexColor;
 }

Samples/RPG/CMakeLists.txt

@@ -1,5 +1,6 @@
 set(SRC_FILES
     "Src/imp/cpp/Main.cpp"
+    "Src/imp/cpp/Game.cpp"
 )
 
 add_executable(IAERPG ${SRC_FILES})

Samples/RPG/Resources/Cute_Fantasy_Free/Credits.txt

@@ -0,0 +1,3 @@
+This asset pack is taken from here https://kenmi-art.itch.io/cute-fantasy-rpg
+
+This is the free version

Samples/RPG/Resources/Cute_Fantasy_Free/read_me.txt

@@ -0,0 +1,10 @@
+Hello! Thank you for downloading the Cute Fantasy asset pack.
+
+This project will be getting updates over time. This version of the asset pack is not final and there will be few more additional sprites.
+	
+License - Free Version
+   - You can use these assets in non-commercial projects.
+   - You can modify the assets.
+   - You can not redistribute or resale, even if modified
+
+If you like the asset pack leave a comment. It helps to support the asset pack and get more people to see it. Thanks!

Samples/RPG/Src/imp/cpp/Game.cpp

@@ -0,0 +1,55 @@
+// IAEngine: 2D Game Engine by IA
+// Copyright (C) 2025 IASoft (PVT) LTD (oss@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 <Game.hpp>
+
+namespace ia::iae::rpg
+{
+    GameRequestedConfig *RequestEngineConfig()
+    {
+        STATIC GameRequestedConfig EngineConfig{
+            .DesignWidth = 800,
+            .DesignHeight = 600,
+            .WindowWidth = 800,
+            .WindowHeight = 600,
+        };
+        return &EngineConfig;
+    }
+
+    VOID OnInitialize()
+    {
+    }
+
+    VOID OnTerminate()
+    {
+    }
+
+    VOID OnDebugDraw()
+    {
+    }
+
+    VOID OnFixedUpdate()
+    {
+    }
+
+    VOID OnUpdate(IN FLOAT32 deltaTime)
+    {
+    }
+
+    VOID OnResize(IN INT32 newWidth, IN INT32 newHeight)
+    {
+    }
+} // namespace ia::iae::rpg

Samples/RPG/Src/imp/cpp/Main.cpp

@@ -1,6 +1,54 @@
+// IAEngine: 2D Game Engine by IA
+// Copyright (C) 2025 IASoft (PVT) LTD (oss@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/>.
 
-int main(int agrc, char** argv)
+#include <Game.hpp>
+
+C_DECL(GameRequestedConfig *Game_GetConfigRequest())
 {
-    
-    return 0;
-}
+    return rpg::RequestEngineConfig();
+}
+
+C_DECL(VOID Game_OnInitialize())
+{
+    rpg::OnInitialize();
+}
+
+C_DECL(VOID Game_OnTerminate())
+{
+    rpg::OnTerminate();
+}
+
+C_DECL(VOID Game_OnDebugDraw())
+{
+    rpg::OnDebugDraw();
+}
+
+C_DECL(VOID Game_OnFixedUpdate())
+{
+    rpg::OnFixedUpdate();
+}
+
+C_DECL(VOID Game_OnUpdate(IN FLOAT32 deltaTime))
+{
+    rpg::OnUpdate(deltaTime);
+}
+
+C_DECL(VOID Game_OnResize(IN INT32 newWidth, IN INT32 newHeight))
+{
+    rpg::OnResize(newWidth, newHeight);
+}
+
+IAENGINE_RUN("IAE RPG", "com.iasoft.iae.sample.rpg", "IASoft (PVT) LTD", "IASoft (PVT) LTD", 1, 0, 0);

Samples/RPG/Src/imp/hpp/Base.hpp

@@ -0,0 +1,24 @@
+// IAEngine: 2D Game Engine by IA
+// Copyright (C) 2025 IASoft (PVT) LTD (oss@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/LibInterface.hpp>
+
+namespace ia::iae::rpg
+{
+    
+}

Samples/RPG/Src/imp/hpp/Game.hpp

@@ -0,0 +1,31 @@
+// IAEngine: 2D Game Engine by IA
+// Copyright (C) 2025 IASoft (PVT) LTD (oss@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 <Base.hpp>
+
+namespace ia::iae::rpg
+{
+    GameRequestedConfig* RequestEngineConfig();
+
+    VOID OnInitialize();
+    VOID OnTerminate();
+    VOID OnDebugDraw();
+    VOID OnFixedUpdate();
+    VOID OnUpdate(IN FLOAT32 deltaTime);
+    VOID OnResize(IN INT32 newWidth, IN INT32 newHeight);
+}

Src/IAEngine/CMakeLists.txt

@@ -2,6 +2,8 @@ set(SRC_FILES
     "imp/cpp/IAEngine.cpp"
     
     "imp/cpp/EmbeddedResources.cpp"
+
+    "imp/cpp/Renderer.cpp"
 )
 
 add_library(IAEngine STATIC ${SRC_FILES})
@@ -9,5 +11,5 @@ add_library(IAEngine STATIC ${SRC_FILES})
 target_include_directories(IAEngine PUBLIC inc)
 target_include_directories(IAEngine PRIVATE imp/hpp)
 
-target_link_libraries(IAEngine PUBLIC IACore)
+target_link_libraries(IAEngine PUBLIC IACore pugixml::pugixml glm::glm)
 target_link_libraries(IAEngine PRIVATE ZLIB::ZLIBSTATIC SDL3::SDL3 SDL3_mixer::SDL3_mixer Freetype::Freetype)

Src/IAEngine/imp/cpp/IAEngine.cpp

@@ -14,17 +14,105 @@
 // 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/IAEngine.hpp>
+#include <EmbeddedResources.hpp>
+#include <IAEngine/LibInterface.hpp>
+#include <Renderer.hpp>
+
 
 namespace ia::iae
 {
-    IAEngine::IAEngine()
+    String g_gameName;
+    String g_gamePackageName;
+    String g_gameDeveloperName;
+    String g_gamePublisherName;
+    IA_VERSION_TYPE g_gameVersion{};
+
+    Vec2 g_designViewport;
+    SDL_Window *g_windowHandle{};
+
+#if defined(__IA_DEBUG) && __IA_DEBUG
+    BOOL g_isDebugMode = true;
+#else
+    BOOL g_isDebugMode = false;
+#endif
+
+    INT32 Run(IN CONST String &name, IN CONST String &packageName, IN CONST String &developerName,
+              IN CONST String &publisherName, IN IA_VERSION_TYPE version)
     {
-        
+        g_gameName = name;
+        g_gameVersion = version;
+        g_gamePackageName = packageName;
+        g_gameDeveloperName = developerName;
+        g_gamePublisherName = publisherName;
+
+        const auto config = Game_GetConfigRequest();
+
+        g_designViewport.x = config->DesignWidth;
+        g_designViewport.y = config->DesignHeight;
+
+        IAE_LOG_INFO("Booting IAEngine for ", g_gameName);
+
+        SDL_SetHint(SDL_HINT_ORIENTATIONS, "LandscapeRight");
+
+        if (!SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_GAMEPAD))
+            THROW_UNKNOWN("Failed to intialize SDL: ", SDL_GetError());
+
+        if (!(g_windowHandle = SDL_CreateWindow(g_gameName.c_str(), config->WindowWidth, config->WindowHeight,
+                                                SDL_WINDOW_RESIZABLE)))
+            THROW_UNKNOWN("Failed to create the SDL window: ", SDL_GetError());
+
+#if __ANDROID__
+        SDL_SetWindowFullscreen(g_windowHandle, true);
+#endif
+
+        const auto gameVersion = g_gameVersion;
+        SDL_SetAppMetadata(g_gameName.c_str(), IA_STRINGIFY_VERSION(gameVersion).c_str(), g_gamePackageName.c_str());
+
+        EmbeddedResources::Initialize();
+
+        IAEngine::Initialize();
+
+        SDL_Event event{};
+        while (true)
+        {
+            SDL_PollEvent(&event);
+            if (event.type == SDL_EVENT_QUIT)
+                break;
+            IAEngine::ProcessEvent(&event);
+            IAEngine::Update();
+        }
+
+        IAEngine::Terminate();
+
+        EmbeddedResources::Terminate();
+
+        SDL_DestroyWindow(g_windowHandle);
+
+        IAE_LOG_INFO("Shutting down IAEngine");
+
+        return 0;
     }
-    
-    IAEngine::~IAEngine()
+} // namespace ia::iae
+
+namespace ia::iae
+{
+    VOID IAEngine::Initialize()
     {
-        
+        Renderer::Initialize(IVec2{g_designViewport.x, g_designViewport.y});
     }
-}
+
+    VOID IAEngine::Terminate()
+    {
+        Renderer::Terminate();
+    }
+
+    VOID IAEngine::Update()
+    {
+        Renderer::Update();
+    }
+
+    VOID IAEngine::ProcessEvent(IN PVOID _event)
+    {
+        const auto event = (SDL_Event *) _event;
+    }
+} // namespace ia::iae

Src/IAEngine/imp/cpp/Renderer.cpp

@@ -0,0 +1,685 @@
+// IAEngine: 2D Game Engine by IA
+// Copyright (C) 2025 IASoft (PVT) LTD (oss@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 <Renderer.hpp>
+
+#include <EmbeddedResources.hpp>
+
+namespace ia::iae
+{
+    STATIC CONSTEXPR INT32 MAX_SPRITE_COUNT = 100000;
+
+#pragma pack(push, 1)
+
+    struct SpriteInstanceData
+    {
+        Mat4 Transform{1.0f};
+        Vec4 TexCoords{};
+        Vec4 Color{1.0f, 1.0f, 1.0f, 1.0f};
+    };
+
+#pragma pack(pop)
+
+    struct TextureData
+    {
+        PUINT8 Pixels{};
+        INT32 Width{};
+        INT32 Height{};
+        INT32 TileWidth{};
+        INT32 TileHeight{};
+        INT32 TileCountX{};
+        INT32 TileCountY{};
+        SDL_GPUTexture *BakedHandle{};
+    };
+} // namespace ia::iae
+
+namespace ia::iae
+{
+    IVec2 g_screenExtent{};
+
+    SDL_GPUDevice *g_gpuDevice{};
+
+    RenderPipeline *g_debugPipeline{};
+    RenderPipeline *g_geometryPipeline{};
+    SDL_GPUSampler *g_linearClampSampler{};
+    SDL_GPUSampler *g_linearRepeatSampler{};
+
+    Mat4 g_viewMatrix{1.0f};
+    Vec2 g_cameraPosition{};
+    Mat4 g_projectionMatrix{1.0f};
+
+    Geometry *g_quadGeometry;
+
+    Vector<TextureData> g_texureData;
+
+    Vector<SpriteInstanceData> g_staticSprites;
+    Vector<SpriteInstanceData> g_dynamicSprites;
+
+    SDL_GPUBuffer *g_staticSpriteDataBuffer{};
+    SDL_GPUBuffer *g_dynamicSpriteDataBuffer{};
+
+    SDL_GPUTransferBuffer *g_spriteDataStagingBuffer{};
+
+    SDL_GPUTexture *g_defaultTexture{};
+    SDL_GPUTexture *g_activeTextureAtlas{};
+
+    Map<Handle, Vec4> g_activeTextureAtlasUVMap;
+
+    EXTERN BOOL g_isDebugMode;
+    EXTERN Vec2 g_designViewport;
+    EXTERN SDL_Window *g_windowHandle;
+} // namespace ia::iae
+
+namespace ia::iae
+{
+    VOID Renderer::Initialize(IN IVec2 screenExtent)
+    {
+        g_screenExtent = screenExtent;
+
+        InitializeGPU();
+        InitializeSampler();
+        InitializePipelines();
+        InitializeGeometries();
+        InitializeDrawData();
+        InitializeTextures();
+    }
+
+    VOID Renderer::Terminate()
+    {
+        SDL_WaitForGPUIdle(g_gpuDevice);
+
+        delete g_debugPipeline;
+        delete g_geometryPipeline;
+
+        if (g_defaultTexture)
+            DestroyTexture(g_defaultTexture);
+        if (g_activeTextureAtlas && (g_activeTextureAtlas != g_defaultTexture))
+            DestroyTexture(g_activeTextureAtlas);
+
+        DestroyBuffer(g_staticSpriteDataBuffer);
+        DestroyBuffer(g_dynamicSpriteDataBuffer);
+
+        SDL_ReleaseGPUTransferBuffer(g_gpuDevice, g_spriteDataStagingBuffer);
+
+        SDL_ReleaseGPUSampler(g_gpuDevice, g_linearClampSampler);
+        SDL_ReleaseGPUSampler(g_gpuDevice, g_linearRepeatSampler);
+
+        DestroyGeometry(g_quadGeometry);
+
+        SDL_ReleaseWindowFromGPUDevice(g_gpuDevice, g_windowHandle);
+        SDL_DestroyGPUDevice(g_gpuDevice);
+    }
+
+    VOID Renderer::Update()
+    {
+        DrawStaticSpriteTopLeft(0, 0, {10.0f, 0.0f}, {100.0f, 100.0f}, 0.0f);
+        DrawStaticSpriteTopLeft(0, 0, {200.0f, 300.0f}, {100.0f, 100.0f}, 0.0f);
+        Render();
+    }
+
+    VOID Renderer::Render()
+    {
+        STATIC SDL_GPURenderPass *ActiveRenderPass{};
+        STATIC SDL_GPUCommandBuffer *ActiveCommandBuffer{};
+        STATIC SDL_GPUColorTargetInfo ActiveColorTargetInfo{.clear_color = SDL_FColor{0.0f, 0.0f, 0.0f, 1.0f},
+                                                            .load_op = SDL_GPU_LOADOP_CLEAR,
+                                                            .store_op = SDL_GPU_STOREOP_STORE};
+
+        if (!(ActiveCommandBuffer = SDL_AcquireGPUCommandBuffer(g_gpuDevice)))
+            THROW_UNKNOWN("Failed to acquire SDL GPU command buffer: ", SDL_GetError());
+
+        SDL_GPUTexture *swapChainTexture{};
+        if (!SDL_WaitAndAcquireGPUSwapchainTexture(ActiveCommandBuffer, g_windowHandle, &swapChainTexture, nullptr,
+                                                   nullptr))
+            THROW_UNKNOWN("Failed to acquire SDL GPU Swapchain texture: ", SDL_GetError());
+
+        if (!swapChainTexture)
+            return;
+
+        ActiveColorTargetInfo.texture = swapChainTexture;
+        ActiveColorTargetInfo.clear_color = SDL_FColor{0.3f, 0.3f, 0.3f, 1.0f};
+        ActiveRenderPass = SDL_BeginGPURenderPass(ActiveCommandBuffer, &ActiveColorTargetInfo, 1, nullptr);
+
+        SDL_BindGPUGraphicsPipeline(ActiveRenderPass, g_debugPipeline->GetHandle());
+        SDL_PushGPUVertexUniformData(ActiveCommandBuffer, 0, &g_projectionMatrix, sizeof(Mat4));
+        SDL_PushGPUVertexUniformData(ActiveCommandBuffer, 1, &g_viewMatrix, sizeof(Mat4));
+        SDL_GPUBufferBinding bufferBindings[] = {{.buffer = ((Geometry *) g_quadGeometry)->VertexBuffer, .offset = 0},
+                                                 {.buffer = ((Geometry *) g_quadGeometry)->IndexBuffer, .offset = 0}};
+        SDL_BindGPUVertexBuffers(ActiveRenderPass, 0, &bufferBindings[0], 1);
+        SDL_BindGPUIndexBuffer(ActiveRenderPass, &bufferBindings[1], SDL_GPU_INDEXELEMENTSIZE_32BIT);
+
+        SDL_GPUTextureSamplerBinding textureBinding{.texture = g_activeTextureAtlas,
+                                                    .sampler = GetSampler_LinearRepeat()};
+        SDL_BindGPUFragmentSamplers(ActiveRenderPass, 0, &textureBinding, 1);
+
+        if (g_staticSprites.size())
+        {
+            CopyToDeviceLocalBuffer(g_spriteDataStagingBuffer, g_staticSpriteDataBuffer, g_staticSprites.data(),
+                                    g_staticSprites.size() * sizeof(SpriteInstanceData));
+            SDL_BindGPUVertexStorageBuffers(ActiveRenderPass, 0, &g_staticSpriteDataBuffer, 1);
+            SDL_DrawGPUIndexedPrimitives(ActiveRenderPass, g_quadGeometry->IndexCount, g_staticSprites.size(), 0, 0, 0);
+        }
+
+        if (g_dynamicSprites.size())
+        {
+            CopyToDeviceLocalBuffer(g_spriteDataStagingBuffer, g_dynamicSpriteDataBuffer, g_dynamicSprites.data(),
+                                    g_dynamicSprites.size() * sizeof(SpriteInstanceData));
+            SDL_BindGPUVertexStorageBuffers(ActiveRenderPass, 0, &g_dynamicSpriteDataBuffer, 1);
+            SDL_DrawGPUIndexedPrimitives(ActiveRenderPass, g_quadGeometry->IndexCount, g_dynamicSprites.size(), 0, 0,
+                                         0);
+        }
+
+        g_staticSprites.resize(0);
+        g_dynamicSprites.resize(0);
+
+        SDL_EndGPURenderPass(ActiveRenderPass);
+
+        SDL_SubmitGPUCommandBuffer(ActiveCommandBuffer);
+    }
+
+    Vec2 Renderer::GetCameraPosition()
+    {
+        return g_cameraPosition;
+    }
+
+    VOID Renderer::SetCameraPosition(IN Vec2 position)
+    {
+        g_cameraPosition = position;
+        g_viewMatrix = glm::lookAtLH(glm::vec3{g_cameraPosition, -1.0f}, {g_cameraPosition, 0.0f}, {0.0f, 1.0f, 0.0f});
+    }
+} // namespace ia::iae
+
+namespace ia::iae
+{
+    VOID Renderer::DrawStaticSpriteTopLeft(IN Handle texture, IN INT32 tileIndex, IN Vec2 position, IN Vec2 scale,
+                                           IN FLOAT32 rotation)
+    {
+        Mat4 transform = glm::translate(glm::mat4(1.0f), glm::vec3{position.x, position.y, 0});
+        transform = glm::rotate(transform, rotation, glm::vec3(0.0f, 0.0f, 1.0f));
+        transform = glm::scale(transform, glm::vec3{scale.x, scale.y, 1.0f});
+        g_staticSprites.pushBack({.Transform = transform,
+                                  .TexCoords = GetTextureAtlasCoordinates(texture, tileIndex),
+                                  .Color = {1.0f, 1.0f, 1.0f, 1.0f}});
+    }
+
+    VOID Renderer::DrawDynamicSpriteTopLeft(IN Handle texture, IN INT32 tileIndex, IN Vec2 position, IN Vec2 scale,
+                                            IN FLOAT32 rotation)
+    {
+        Mat4 transform = glm::translate(glm::mat4(1.0f), glm::vec3{position.x, position.y, 0});
+        transform = glm::rotate(transform, rotation, glm::vec3(0.0f, 0.0f, 1.0f));
+        transform = glm::scale(transform, glm::vec3{scale.x, scale.y, 1.0f});
+        g_dynamicSprites.pushBack({.Transform = transform,
+                                   .TexCoords = GetTextureAtlasCoordinates(texture, tileIndex),
+                                   .Color = {1.0f, 1.0f, 1.0f, 1.0f}});
+    }
+
+    Geometry *Renderer::CreateGeometry(IN CONST Vector<GeometryVertex> &vertices, IN CONST Vector<INT32> &indices)
+    {
+        const auto mesh = new Geometry();
+        mesh->VertexBuffer = CreateDeviceLocalBuffer(SDL_GPU_BUFFERUSAGE_VERTEX, vertices.data(),
+                                                     static_cast<UINT32>(vertices.size() * sizeof(vertices[0])));
+        mesh->IndexBuffer = CreateDeviceLocalBuffer(SDL_GPU_BUFFERUSAGE_INDEX, indices.data(),
+                                                    static_cast<UINT32>(indices.size() * sizeof(indices[0])));
+        mesh->IndexCount = static_cast<UINT32>(indices.size());
+        return mesh;
+    }
+
+    VOID Renderer::DestroyGeometry(IN Geometry *geometry)
+    {
+        DestroyBuffer(geometry->VertexBuffer);
+        DestroyBuffer(geometry->IndexBuffer);
+        delete geometry;
+    }
+} // namespace ia::iae
+
+namespace ia::iae
+{
+    Handle Renderer::CreateTexture(IN PCUINT8 rgbaData, IN INT32 width, IN INT32 height, IN INT32 tileCountX,
+                                   IN INT32 tileCountY)
+    {
+        const auto pixelDataSize = width * height * 4;
+
+        g_texureData.pushBack({.Pixels = new UINT8[pixelDataSize],
+                               .Width = width,
+                               .Height = height,
+                               .TileWidth = width / tileCountX,
+                               .TileHeight = height / tileCountY,
+                               .TileCountX = tileCountX,
+                               .TileCountY = tileCountY,
+                               .BakedHandle = nullptr});
+
+        ia_memcpy(g_texureData.back().Pixels, rgbaData, pixelDataSize);
+
+        return g_texureData.size() - 1;
+    }
+
+    VOID Renderer::DestroyTexture(IN Handle texture)
+    {
+        auto &t = g_texureData[texture];
+        if (t.Pixels)
+            delete[] t.Pixels;
+        if (t.BakedHandle)
+            DestroyTexture(t.BakedHandle);
+        t.Pixels = nullptr;
+        t.BakedHandle = nullptr;
+    }
+
+    VOID Renderer::BakeTexture(IN Handle texture)
+    {
+        auto &t = g_texureData[texture];
+        t.BakedHandle = CreateTexture(SDL_GPU_TEXTUREUSAGE_SAMPLER | SDL_GPU_TEXTUREUSAGE_COLOR_TARGET, t.Width,
+                                      t.Height, t.Width, t.Pixels);
+    }
+
+    VOID Renderer::SetTextureAtlas(IN CONST Vector<Handle> textures)
+    {
+        g_activeTextureAtlasUVMap = Map<Handle, Vec4>();
+        if (g_activeTextureAtlas)
+            DestroyTexture(g_activeTextureAtlas);
+
+        INT32 atlasWidth{0}, atlasHeight{0};
+        for (const auto &t : textures)
+        {
+            const auto &d = g_texureData[t];
+            atlasWidth += d.Width;
+            if (d.Height > atlasHeight)
+                atlasHeight = d.Height;
+        }
+
+        const auto pixels = new UINT8[atlasWidth * atlasHeight * 4];
+
+        INT32 atlasCursor{0};
+        for (const auto &t : textures)
+        {
+            const auto &d = g_texureData[t];
+            for (INT32 y = 0; y < d.Height; y++)
+                ia_memcpy(&pixels[atlasCursor + (y * atlasWidth)], d.Pixels, d.Width * 4);
+            g_activeTextureAtlasUVMap[t] =
+                Vec4(((FLOAT32) atlasCursor) / ((FLOAT32) atlasWidth), 0.0f,
+                     ((FLOAT32) d.Width) / ((FLOAT32) atlasWidth), ((FLOAT32) d.Height) / ((FLOAT32) atlasHeight));
+            atlasCursor += d.Width;
+        }
+
+        g_activeTextureAtlas = CreateTexture(SDL_GPU_TEXTUREUSAGE_SAMPLER | SDL_GPU_TEXTUREUSAGE_COLOR_TARGET,
+                                             atlasWidth, atlasHeight, atlasWidth, pixels);
+
+        delete[] pixels;
+    }
+
+    Vec4 Renderer::GetTextureAtlasCoordinates(IN Handle texture, IN INT32 tileIndex)
+    {
+        const auto &d = g_texureData[texture];
+        const auto &t = g_activeTextureAtlasUVMap[texture];
+        return t;
+    }
+} // namespace ia::iae
+
+namespace ia::iae
+{
+    SDL_GPUTexture *Renderer::CreateTexture(IN SDL_GPUTextureUsageFlags usage, IN INT32 width, IN INT32 height,
+                                            IN INT32 stride, IN PCUINT8 rgbaData, IN SDL_GPUTextureFormat format,
+                                            IN BOOL generateMipmaps)
+    {
+        const auto mipLevels =
+            generateMipmaps ? ia_max((UINT32) (floor(log2(ia_max(width, height))) + 1), (UINT32) 1) : (UINT32) 1;
+
+        STATIC Vector<UINT8> TMP_COLOR_BUFFER;
+
+        SDL_GPUTextureCreateInfo createInfo{.type = SDL_GPU_TEXTURETYPE_2D,
+                                            .format = format,
+                                            .usage = usage,
+                                            .width = (UINT32) width,
+                                            .height = (UINT32) height,
+                                            .layer_count_or_depth = 1,
+                                            .num_levels = (UINT32) mipLevels,
+                                            .sample_count = SDL_GPU_SAMPLECOUNT_1};
+        const auto result = SDL_CreateGPUTexture(g_gpuDevice, &createInfo);
+        if (!result)
+        {
+            THROW_UNKNOWN("Failed to create a SDL GPU Texture: ", SDL_GetError());
+            return nullptr;
+        }
+        if (rgbaData)
+        {
+            TMP_COLOR_BUFFER.resize(width * height * 4);
+
+            if (stride == width)
+            {
+                for (SIZE_T i = 0; i < TMP_COLOR_BUFFER.size() >> 2; i++)
+                {
+                    const auto a = static_cast<FLOAT32>(rgbaData[i * 4 + 3]) / 255.0f;
+                    TMP_COLOR_BUFFER[i * 4 + 0] = static_cast<UINT8>(rgbaData[i * 4 + 0] * a);
+                    TMP_COLOR_BUFFER[i * 4 + 1] = static_cast<UINT8>(rgbaData[i * 4 + 1] * a);
+                    TMP_COLOR_BUFFER[i * 4 + 2] = static_cast<UINT8>(rgbaData[i * 4 + 2] * a);
+                    TMP_COLOR_BUFFER[i * 4 + 3] = rgbaData[i * 4 + 3];
+                }
+            }
+            else
+            {
+                for (INT32 y = 0; y < height; y++)
+                {
+                    for (INT32 x = 0; x < width; x++)
+                    {
+                        const auto p = &rgbaData[(x + y * stride) * 4];
+                        const auto a = static_cast<FLOAT32>(p[3]) / 255.0f;
+                        TMP_COLOR_BUFFER[(x + y * width) * 4 + 0] = static_cast<UINT8>(p[0] * a);
+                        TMP_COLOR_BUFFER[(x + y * width) * 4 + 1] = static_cast<UINT8>(p[1] * a);
+                        TMP_COLOR_BUFFER[(x + y * width) * 4 + 2] = static_cast<UINT8>(p[2] * a);
+                        TMP_COLOR_BUFFER[(x + y * width) * 4 + 3] = p[3];
+                    }
+                }
+            }
+
+            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, TMP_COLOR_BUFFER.data(), width * height * 4);
+            SDL_UnmapGPUTransferBuffer(g_gpuDevice, stagingBuffer);
+
+            auto cmdBuffer = SDL_AcquireGPUCommandBuffer(g_gpuDevice);
+            const auto copyPass = SDL_BeginGPUCopyPass(cmdBuffer);
+
+            SDL_GPUTextureTransferInfo transferInfo{.transfer_buffer = stagingBuffer, .offset = 0};
+            SDL_GPUTextureRegion region{.texture = result, .w = (UINT32) width, .h = (UINT32) height, .d = 1};
+            SDL_UploadToGPUTexture(copyPass, &transferInfo, &region, false);
+
+            SDL_EndGPUCopyPass(copyPass);
+            SDL_SubmitGPUCommandBuffer(cmdBuffer);
+            SDL_WaitForGPUIdle(g_gpuDevice);
+            SDL_ReleaseGPUTransferBuffer(g_gpuDevice, stagingBuffer);
+
+            if (mipLevels > 1)
+            {
+                cmdBuffer = SDL_AcquireGPUCommandBuffer(g_gpuDevice);
+                SDL_GenerateMipmapsForGPUTexture(cmdBuffer, result);
+                SDL_SubmitGPUCommandBuffer(cmdBuffer);
+                SDL_WaitForGPUIdle(g_gpuDevice);
+            }
+        }
+        return result;
+    }
+
+    SDL_GPUBuffer *Renderer::CreateDeviceLocalBuffer(IN SDL_GPUBufferUsageFlags usage, IN PCVOID data,
+                                                     IN UINT32 dataSize)
+    {
+        SDL_GPUBufferCreateInfo createInfo{.usage = usage, .size = dataSize};
+        const auto result = SDL_CreateGPUBuffer(g_gpuDevice, &createInfo);
+        if (!result)
+        {
+            THROW_UNKNOWN("Failed to create a SDL GPU Buffer: ", SDL_GetError());
+            return nullptr;
+        }
+        if (data && dataSize)
+            CopyToDeviceLocalBuffer(result, data, dataSize);
+        return result;
+    }
+
+    VOID Renderer::CopyToDeviceLocalBuffer(IN SDL_GPUBuffer *buffer, IN PCVOID data, IN UINT32 dataSize)
+    {
+        SDL_GPUTransferBufferCreateInfo stagingBufferCreateInfo{.usage = SDL_GPU_TRANSFERBUFFERUSAGE_UPLOAD,
+                                                                .size = dataSize};
+        const auto stagingBuffer = SDL_CreateGPUTransferBuffer(g_gpuDevice, &stagingBufferCreateInfo);
+        CopyToDeviceLocalBuffer(stagingBuffer, buffer, data, dataSize);
+        SDL_ReleaseGPUTransferBuffer(g_gpuDevice, stagingBuffer);
+    }
+
+    VOID Renderer::CopyToDeviceLocalBuffer(IN SDL_GPUTransferBuffer *stagingBuffer, IN SDL_GPUBuffer *buffer,
+                                           IN PCVOID data, IN UINT32 dataSize)
+    {
+        const auto mappedPtr = SDL_MapGPUTransferBuffer(g_gpuDevice, stagingBuffer, false);
+        SDL_memcpy(mappedPtr, data, dataSize);
+        SDL_UnmapGPUTransferBuffer(g_gpuDevice, stagingBuffer);
+
+        const auto cmdBuffer = SDL_AcquireGPUCommandBuffer(g_gpuDevice);
+        const auto copyPass = SDL_BeginGPUCopyPass(cmdBuffer);
+
+        SDL_GPUTransferBufferLocation src{.transfer_buffer = stagingBuffer, .offset = 0};
+        SDL_GPUBufferRegion dst{.buffer = buffer, .offset = 0, .size = dataSize};
+        SDL_UploadToGPUBuffer(copyPass, &src, &dst, false);
+
+        SDL_EndGPUCopyPass(copyPass);
+        SDL_SubmitGPUCommandBuffer(cmdBuffer);
+        SDL_WaitForGPUIdle(g_gpuDevice);
+    }
+
+    VOID Renderer::DestroyTexture(IN SDL_GPUTexture *handle)
+    {
+        if (!handle)
+            return;
+        SDL_ReleaseGPUTexture(g_gpuDevice, handle);
+    }
+
+    VOID Renderer::DestroyBuffer(IN SDL_GPUBuffer *handle)
+    {
+        if (!handle)
+            return;
+        SDL_ReleaseGPUBuffer(g_gpuDevice, handle);
+    }
+
+    SDL_GPUSampler *Renderer::GetSampler_LinearClamp()
+    {
+        return g_linearClampSampler;
+    }
+
+    SDL_GPUSampler *Renderer::GetSampler_LinearRepeat()
+    {
+        return g_linearRepeatSampler;
+    }
+} // namespace ia::iae
+
+namespace ia::iae
+{
+    VOID Renderer::InitializePipelines()
+    {
+        g_debugPipeline = new RenderPipeline(
+            RenderPipeline::StageDesc{
+                .SourceData = EmbeddedResources::GetResource("Shaders/Debug.vert"),
+                .SamplerCount = 0,
+                .UniformBufferCount = 2,
+                .StorageBufferCount = 1,
+            },
+            RenderPipeline::StageDesc{
+                .SourceData = EmbeddedResources::GetResource("Shaders/Debug.frag"),
+                .SamplerCount = 1,
+                .UniformBufferCount = 0,
+                .StorageBufferCount = 0,
+            },
+            true);
+
+        g_geometryPipeline = new RenderPipeline(
+            RenderPipeline::StageDesc{
+                .SourceData = EmbeddedResources::GetResource("Shaders/Geometry.vert"),
+                .SamplerCount = 0,
+                .UniformBufferCount = 3,
+                .StorageBufferCount = 0,
+            },
+            RenderPipeline::StageDesc{
+                .SourceData = EmbeddedResources::GetResource("Shaders/Geometry.frag"),
+                .SamplerCount = 1,
+                .UniformBufferCount = 1,
+                .StorageBufferCount = 0,
+            },
+            true);
+    }
+
+    RenderPipeline::RenderPipeline(IN CONST StageDesc &vertexStageDesc, IN CONST StageDesc &pixelStageDesc,
+                                   IN BOOL enableVertexBuffer)
+    {
+        SDL_GPUShader *vertexShader{};
+        SDL_GPUShader *pixelShader{};
+
+        SDL_GPUShaderCreateInfo shaderCreateInfo = {
+            .entrypoint = "main",
+            .format = SDL_GPU_SHADERFORMAT_SPIRV,
+            .num_storage_textures = 0,
+            .num_storage_buffers = 0,
+        };
+
+        shaderCreateInfo.stage = SDL_GPU_SHADERSTAGE_VERTEX;
+        shaderCreateInfo.code = vertexStageDesc.SourceData.data();
+        shaderCreateInfo.code_size = vertexStageDesc.SourceData.size();
+        shaderCreateInfo.num_samplers = vertexStageDesc.SamplerCount;
+        shaderCreateInfo.num_uniform_buffers = vertexStageDesc.UniformBufferCount;
+        shaderCreateInfo.num_storage_buffers = vertexStageDesc.StorageBufferCount;
+        if (!(vertexShader = SDL_CreateGPUShader(g_gpuDevice, &shaderCreateInfo)))
+            THROW_UNKNOWN("Failed to create a SDL shader: ", SDL_GetError());
+
+        shaderCreateInfo.stage = SDL_GPU_SHADERSTAGE_FRAGMENT;
+        shaderCreateInfo.code = pixelStageDesc.SourceData.data();
+        shaderCreateInfo.code_size = pixelStageDesc.SourceData.size();
+        shaderCreateInfo.num_samplers = pixelStageDesc.SamplerCount;
+        shaderCreateInfo.num_uniform_buffers = pixelStageDesc.UniformBufferCount;
+        shaderCreateInfo.num_storage_buffers = pixelStageDesc.StorageBufferCount;
+        if (!(pixelShader = SDL_CreateGPUShader(g_gpuDevice, &shaderCreateInfo)))
+            THROW_UNKNOWN("Failed to create a SDL shader: ", SDL_GetError());
+
+        SDL_GPUColorTargetDescription colorTargetDesc = {
+            .format = SDL_GetGPUSwapchainTextureFormat(g_gpuDevice, g_windowHandle),
+            .blend_state = {.src_color_blendfactor = SDL_GPU_BLENDFACTOR_ONE,
+                            .dst_color_blendfactor = SDL_GPU_BLENDFACTOR_ONE_MINUS_SRC_ALPHA,
+                            .color_blend_op = SDL_GPU_BLENDOP_ADD,
+                            .src_alpha_blendfactor = SDL_GPU_BLENDFACTOR_ONE,
+                            .dst_alpha_blendfactor = SDL_GPU_BLENDFACTOR_ONE_MINUS_SRC_ALPHA,
+                            .alpha_blend_op = SDL_GPU_BLENDOP_ADD,
+                            .enable_blend = true,
+                            .enable_color_write_mask = false}};
+
+        SDL_GPUVertexBufferDescription vertexBufferDesc = {
+            .slot = 0,
+            .pitch = sizeof(GeometryVertex),
+            .input_rate = SDL_GPU_VERTEXINPUTRATE_VERTEX,
+            .instance_step_rate = 0,
+        };
+
+        SDL_GPUVertexAttribute vertexAttributes[] = {
+            {.location = 0, .buffer_slot = 0, .format = SDL_GPU_VERTEXELEMENTFORMAT_FLOAT2, .offset = 0},
+            {.location = 1, .buffer_slot = 0, .format = SDL_GPU_VERTEXELEMENTFORMAT_FLOAT2, .offset = sizeof(Vec2)}};
+
+        SDL_GPUGraphicsPipelineCreateInfo createInfo = {
+            .vertex_shader = vertexShader,
+            .fragment_shader = pixelShader,
+            .vertex_input_state = SDL_GPUVertexInputState{.vertex_buffer_descriptions = &vertexBufferDesc,
+                                                          .num_vertex_buffers = enableVertexBuffer ? (UINT32) 1 : 0,
+                                                          .vertex_attributes = vertexAttributes,
+                                                          .num_vertex_attributes = enableVertexBuffer ? (UINT32) 2 : 0},
+            .primitive_type = SDL_GPU_PRIMITIVETYPE_TRIANGLELIST,
+            .rasterizer_state = SDL_GPURasterizerState{.fill_mode = SDL_GPU_FILLMODE_FILL,
+                                                       .cull_mode = SDL_GPU_CULLMODE_NONE,
+                                                       .front_face = SDL_GPU_FRONTFACE_COUNTER_CLOCKWISE,
+                                                       .enable_depth_clip = true},
+            .target_info = {.color_target_descriptions = &colorTargetDesc,
+                            .num_color_targets = 1,
+                            .has_depth_stencil_target = false},
+        };
+
+        if (!(m_handle = SDL_CreateGPUGraphicsPipeline(g_gpuDevice, &createInfo)))
+            THROW_UNKNOWN("Failed to create a SDL graphics pipeline: ", SDL_GetError());
+
+        SDL_ReleaseGPUShader(g_gpuDevice, pixelShader);
+        SDL_ReleaseGPUShader(g_gpuDevice, vertexShader);
+    }
+
+    RenderPipeline::~RenderPipeline()
+    {
+        SDL_ReleaseGPUGraphicsPipeline(g_gpuDevice, m_handle);
+    }
+} // namespace ia::iae
+
+namespace ia::iae
+{
+    VOID Renderer::InitializeGPU()
+    {
+        SDL_PropertiesID deviceCreateProps = SDL_CreateProperties();
+        SDL_SetStringProperty(deviceCreateProps, SDL_PROP_GPU_DEVICE_CREATE_NAME_STRING, nullptr);
+        SDL_SetBooleanProperty(deviceCreateProps, SDL_PROP_GPU_DEVICE_CREATE_SHADERS_SPIRV_BOOLEAN, true);
+        SDL_SetBooleanProperty(deviceCreateProps, SDL_PROP_GPU_DEVICE_CREATE_DEBUGMODE_BOOLEAN, g_isDebugMode);
+        SDL_SetBooleanProperty(deviceCreateProps, SDL_PROP_GPU_DEVICE_CREATE_FEATURE_DEPTH_CLAMPING_BOOLEAN, false);
+        if (!(g_gpuDevice = SDL_CreateGPUDeviceWithProperties(deviceCreateProps)))
+            THROW_UNKNOWN("Failed to create the SDL GPU Device: ", SDL_GetError());
+        SDL_DestroyProperties(deviceCreateProps);
+
+        if (!SDL_ClaimWindowForGPUDevice(g_gpuDevice, g_windowHandle))
+            THROW_UNKNOWN("Failed to initialize SDL GPU for the window: ", SDL_GetError());
+
+        SDL_SetGPUSwapchainParameters(g_gpuDevice, g_windowHandle, SDL_GPU_SWAPCHAINCOMPOSITION_SDR,
+                                      SDL_GPU_PRESENTMODE_VSYNC);
+    }
+
+    VOID Renderer::InitializeSampler()
+    {
+        SDL_GPUSamplerCreateInfo createInfo{.min_filter = SDL_GPU_FILTER_NEAREST,
+                                            .mag_filter = SDL_GPU_FILTER_NEAREST,
+                                            .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,
+                                            .enable_anisotropy = false};
+
+        g_linearClampSampler = SDL_CreateGPUSampler(g_gpuDevice, &createInfo);
+
+        createInfo.min_filter = SDL_GPU_FILTER_NEAREST;
+        createInfo.mag_filter = SDL_GPU_FILTER_NEAREST;
+        createInfo.mipmap_mode = SDL_GPU_SAMPLERMIPMAPMODE_LINEAR;
+        createInfo.address_mode_u = SDL_GPU_SAMPLERADDRESSMODE_REPEAT,
+        createInfo.address_mode_v = SDL_GPU_SAMPLERADDRESSMODE_REPEAT,
+        createInfo.address_mode_w = SDL_GPU_SAMPLERADDRESSMODE_REPEAT,
+
+        g_linearRepeatSampler = SDL_CreateGPUSampler(g_gpuDevice, &createInfo);
+    }
+
+    VOID Renderer::InitializeGeometries()
+    {
+        g_quadGeometry = Renderer::CreateGeometry(
+            {
+                {glm::vec2{0, 1}, glm::vec2{0, 1}},
+                {glm::vec2{1, 1}, glm::vec2{1, 1}},
+                {glm::vec2{1, 0}, glm::vec2{1, 0}},
+                {glm::vec2{0, 0}, glm::vec2{0, 0}},
+            },
+            {0, 1, 2, 2, 3, 0});
+    }
+
+    VOID Renderer::InitializeDrawData()
+    {
+        g_staticSpriteDataBuffer = CreateDeviceLocalBuffer(SDL_GPU_BUFFERUSAGE_GRAPHICS_STORAGE_READ, nullptr,
+                                                           sizeof(SpriteInstanceData) * MAX_SPRITE_COUNT);
+        g_dynamicSpriteDataBuffer = CreateDeviceLocalBuffer(SDL_GPU_BUFFERUSAGE_GRAPHICS_STORAGE_READ, nullptr,
+                                                            sizeof(SpriteInstanceData) * MAX_SPRITE_COUNT);
+
+        SDL_GPUTransferBufferCreateInfo stagingBufferCreateInfo{.usage = SDL_GPU_TRANSFERBUFFERUSAGE_UPLOAD,
+                                                                .size = sizeof(SpriteInstanceData) * MAX_SPRITE_COUNT};
+        g_spriteDataStagingBuffer = SDL_CreateGPUTransferBuffer(g_gpuDevice, &stagingBufferCreateInfo);
+
+        g_projectionMatrix =
+            glm::orthoLH(0.0f, (FLOAT32) g_screenExtent.x, (FLOAT32) g_screenExtent.y, 0.0f, -1.0f, 1.0f);
+        SetCameraPosition({});
+    }
+
+    VOID Renderer::InitializeTextures()
+    {
+        { // Create Default Texture
+            const auto pixels = new UINT8[100 * 100 * 4];
+            ia_memset(pixels, 0xFF, 100 * 100 * 4);
+            const auto t = CreateTexture(pixels, 100, 100);
+            BakeTexture(t);
+            g_defaultTexture = g_texureData[t].BakedHandle;
+            delete[] pixels;
+        }
+
+        g_activeTextureAtlas = g_defaultTexture;
+    }
+} // namespace ia::iae

Src/IAEngine/imp/hpp/Renderer.hpp

@@ -0,0 +1,137 @@
+// IAEngine: 2D Game Engine by IA
+// Copyright (C) 2025 IASoft (PVT) LTD (oss@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>
+#include <SDL3/SDL.h>
+
+namespace ia::iae
+{
+    struct GeometryVertex
+    {
+        Vec2 Position;
+        Vec2 TexCoords;
+    };
+
+    struct Geometry
+    {
+        INT32 IndexCount{};
+        SDL_GPUBuffer *IndexBuffer;
+        SDL_GPUBuffer *VertexBuffer;
+    };
+
+    class RenderPipeline
+    {
+      public:
+        struct StageDesc
+        {
+            Vector<UINT8> SourceData{};
+            UINT32 SamplerCount{};
+            UINT32 UniformBufferCount{};
+            UINT32 StorageBufferCount{};
+        };
+
+      public:
+        RenderPipeline(IN CONST StageDesc &vertexStageDesc, IN CONST StageDesc &pixelStageDesc,
+                       IN BOOL enableVertexBuffer);
+        ~RenderPipeline();
+
+        SDL_GPUGraphicsPipeline *GetHandle() CONST
+        {
+            return m_handle;
+        }
+
+      private:
+        SDL_GPUGraphicsPipeline *m_handle{};
+    };
+
+    class Renderer
+    {
+      public:
+        STATIC Vec2 GetCameraPosition();
+        STATIC VOID SetCameraPosition(IN Vec2 position);
+
+      public:
+        STATIC VOID DrawStaticSpriteTopLeft(IN Handle texture, IN INT32 tileIndex, IN Vec2 position, IN Vec2 scale, IN FLOAT32 rotation);
+        STATIC INLINE VOID DrawStaticSpriteCentered(IN Handle texture, IN INT32 tileIndex, IN Vec2 position, IN Vec2 scale,
+                                                    IN FLOAT32 rotation);
+
+        STATIC VOID DrawDynamicSpriteTopLeft(IN Handle texture, IN INT32 tileIndex, IN Vec2 position, IN Vec2 scale, IN FLOAT32 rotation);
+        STATIC INLINE VOID DrawDynamicSpriteCentered(IN Handle texture, IN INT32 tileIndex, IN Vec2 position, IN Vec2 scale,
+                                                     IN FLOAT32 rotation);
+
+        STATIC VOID ResizeScreen(IN IVec2 newSize);
+
+      public:
+        STATIC Handle CreateTexture(IN PCUINT8 rgbaData, IN INT32 width, IN INT32 height, IN INT32 tileCountX = 1, IN INT32 tileCountY = 1);
+        STATIC VOID DestroyTexture(IN Handle texture);
+
+        STATIC VOID BakeTexture(IN Handle texture);
+
+        STATIC VOID SetTextureAtlas(IN CONST Vector<Handle> textures);
+
+      private:
+        STATIC SDL_GPUTexture *CreateTexture(IN SDL_GPUTextureUsageFlags usage, IN INT32 width, IN INT32 height,
+                                             IN INT32 stride, IN PCUINT8 rgbaData = nullptr,
+                                             IN SDL_GPUTextureFormat format = SDL_GPU_TEXTUREFORMAT_R8G8B8A8_UNORM,
+                                             IN BOOL generateMipmaps = false);
+        STATIC SDL_GPUBuffer *CreateDeviceLocalBuffer(IN SDL_GPUBufferUsageFlags usage, IN PCVOID data,
+                                                      IN UINT32 dataSize);
+
+        STATIC VOID DestroyTexture(IN SDL_GPUTexture *handle);
+        STATIC VOID DestroyBuffer(IN SDL_GPUBuffer *handle);
+
+        STATIC VOID CopyToDeviceLocalBuffer(IN SDL_GPUBuffer *buffer, IN PCVOID data, IN UINT32 dataSize);
+        STATIC VOID CopyToDeviceLocalBuffer(IN SDL_GPUTransferBuffer *stagingBuffer, IN SDL_GPUBuffer *buffer,
+                                            IN PCVOID data, IN UINT32 dataSize);
+
+        STATIC SDL_GPUSampler *GetSampler_LinearClamp();
+        STATIC SDL_GPUSampler *GetSampler_LinearRepeat();
+
+      private:
+        STATIC VOID InitializeGPU();
+        STATIC VOID InitializeSampler();
+        STATIC VOID InitializePipelines();
+        STATIC VOID InitializeGeometries();
+        STATIC VOID InitializeDrawData();
+        STATIC VOID InitializeTextures();
+
+        STATIC Geometry *CreateGeometry(IN CONST Vector<GeometryVertex> &vertices, IN CONST Vector<INT32> &indices);
+        STATIC VOID DestroyGeometry(IN Geometry *geometry);
+
+        STATIC VOID Render();
+
+        STATIC Vec4 GetTextureAtlasCoordinates(IN Handle texture, IN INT32 tileIndex);
+
+      private:
+        STATIC VOID Initialize(IN IVec2 screenExtent);
+        STATIC VOID Terminate();
+        STATIC VOID Update();
+
+        friend class IAEngine;
+    };
+
+    VOID Renderer::DrawStaticSpriteCentered(IN Handle texture,IN INT32 tileIndex, IN Vec2 position, IN Vec2 scale, IN FLOAT32 rotation)
+    {
+        DrawStaticSpriteTopLeft(texture, tileIndex, position - scale / 2.0f, scale, rotation);
+    }
+
+    VOID Renderer::DrawDynamicSpriteCentered(IN Handle texture,IN INT32 tileIndex, IN Vec2 position, IN Vec2 scale, IN FLOAT32 rotation)
+    {
+        DrawDynamicSpriteTopLeft(texture, tileIndex, position - scale / 2.0f, scale, rotation);
+    }
+} // namespace ia::iae

Src/IAEngine/inc/IAEngine/Base.hpp

@@ -23,6 +23,14 @@
 #include <IACore/String.hpp>
 #include <IACore/Vector.hpp>
 
+#include <glm/ext/matrix_clip_space.hpp>
+#include <glm/ext/matrix_transform.hpp>
+#include <glm/ext/scalar_constants.hpp>
+#include <glm/mat4x4.hpp>
+#include <glm/vec2.hpp>
+#include <glm/vec3.hpp>
+#include <glm/vec4.hpp>
+
 #define IAE_LOG_TAG "IAE"
 
 #define IAE_LOG_INFO(...) ia::Logger::Info(IAE_LOG_TAG, __VA_ARGS__)
@@ -34,4 +42,12 @@ namespace ia::iae
 {
     using Handle = INT64;
     STATIC CONSTEXPR Handle INVALID_HANDLE = -1;
+
+    using Vec2 = glm::vec2;
+    using Vec3 = glm::vec3;
+    using Vec4 = glm::vec4;
+    using IVec2 = glm::ivec2;
+    using IVec3 = glm::ivec3;
+    using IVec4 = glm::ivec4;
+    using Mat4 = glm::mat4;
 }

Src/IAEngine/inc/IAEngine/IAEngine.hpp

@@ -23,9 +23,14 @@ namespace ia::iae
     class IAEngine
     {
     public:
-        IAEngine();  
-        ~IAEngine();
-        
+
     private:
+        STATIC VOID Initialize();
+        STATIC VOID Terminate();
+        STATIC VOID Update();
+        STATIC VOID ProcessEvent(IN PVOID event);
+
+        friend INT32 Run(IN CONST String &name, IN CONST String &packageName, IN CONST String &developerName,
+              IN CONST String &publisherName, IN IA_VERSION_TYPE version);
     };
 }

Src/IAEngine/inc/IAEngine/LibInterface.hpp

@@ -0,0 +1,49 @@
+// IAEngine: 2D Game Engine by IA
+// Copyright (C) 2025 IASoft (PVT) LTD (oss@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/IAEngine.hpp>
+
+using namespace ia;
+using namespace ia::iae;
+
+struct GameRequestedConfig
+{
+    INT32 DesignWidth{};
+    INT32 DesignHeight{};
+    INT32 WindowWidth{};
+    INT32 WindowHeight{};
+};
+
+C_DECL(GameRequestedConfig* Game_GetConfigRequest());
+C_DECL(VOID Game_OnInitialize());
+C_DECL(VOID Game_OnTerminate());
+C_DECL(VOID Game_OnDebugDraw());
+C_DECL(VOID Game_OnFixedUpdate());
+C_DECL(VOID Game_OnUpdate(IN FLOAT32 deltaTime));
+C_DECL(VOID Game_OnResize(IN INT32 newWidth, IN INT32 newHeight));
+
+namespace ia::iae
+{
+    INT32 Run(IN CONST String& name, IN CONST String& packageName, IN CONST String& developerName, IN CONST String& publisherName, IN IA_VERSION_TYPE version);
+} // namespace ia::iae
+
+#if defined(__ANDROID__)
+#define IAENGINE_RUN(name, packageName, developerName, publisherName, versionMajor, versionMinor, versionPatch) extern "C" int SDL_main(int argc, char *argv[]) { return ia::iae::Run(name, packageName, developerName, publisherName, IA_MAKE_VERSION(versionMajor, versionMinor, versionPatch)); }
+#else
+#define IAENGINE_RUN(name, packageName, developerName, publisherName, versionMajor, versionMinor, versionPatch) int main(int argc, char *argv[]) { return ia::iae::Run(name, packageName, developerName, publisherName, IA_MAKE_VERSION(versionMajor, versionMinor, versionPatch)); }
+#endif

Vendor/CMakeLists.txt

@@ -31,3 +31,14 @@ set(ZLIB_BUILD_SHARED OFF)
 set(ZLIB_BUILD_MINIZIP OFF)
 set(ZLIB_INSTALL OFF)
 add_subdirectory(zlib/)
+
+# -----------------------------------------------
+#  PugiXML
+# -----------------------------------------------
+add_subdirectory(pugixml/)
+
+
+# -----------------------------------------------
+#  glm
+# -----------------------------------------------
+add_subdirectory(glm/)