Merge

Engine/Src/Imp/CPP/InternalEngine.cpp

@@ -74,6 +74,8 @@ namespace ia::iae
         Physics::Initialize();
 
         Game_OnInitialize();
+
+        Engine::ResizeDisplay(config->ScreenWidth, config->ScreenHeight);
     }
 
     VOID __Internal_Engine::Terminate()

Engine/Src/Imp/CPP/Renderer/GPUResourceManager.cpp

@@ -36,6 +36,9 @@ namespace ia::iae
 
             g_linearClampSampler = SDL_CreateGPUSampler(Renderer::GetDevice(), &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,
@@ -62,15 +65,19 @@ namespace ia::iae
 
     SDL_GPUTexture *GPUResourceManager::CreateTexture(IN SDL_GPUTextureUsageFlags usage, IN INT32 width,
                                                       IN INT32 height, IN PCUINT8 rgbaData,
-                                                      IN SDL_GPUTextureFormat format)
+                                                      IN SDL_GPUTextureFormat format, IN BOOL generateMipmaps)
     {
+        const auto mipLevels = generateMipmaps ? floor(log2(ia_max(width, height))) + 1 : 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 = 1,
+                                            .num_levels = (UINT32) mipLevels,
                                             .sample_count = SDL_GPU_SAMPLECOUNT_1};
         const auto result = SDL_CreateGPUTexture(Renderer::GetDevice(), &createInfo);
         if (!result)
@@ -80,14 +87,25 @@ namespace ia::iae
         }
         if (rgbaData)
         {
+            TMP_COLOR_BUFFER.reset();
+            TMP_COLOR_BUFFER.resize(width * height * 4);
+            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];
+            }
+
             SDL_GPUTransferBufferCreateInfo stagingBufferCreateInfo{.usage = SDL_GPU_TRANSFERBUFFERUSAGE_UPLOAD,
                                                                     .size = (UINT32) width * (UINT32) height * 4};
             const auto stagingBuffer = SDL_CreateGPUTransferBuffer(Renderer::GetDevice(), &stagingBufferCreateInfo);
             const auto mappedPtr = SDL_MapGPUTransferBuffer(Renderer::GetDevice(), stagingBuffer, false);
-            SDL_memcpy(mappedPtr, rgbaData, width * height * 4);
+            SDL_memcpy(mappedPtr, TMP_COLOR_BUFFER.data(), width * height * 4);
             SDL_UnmapGPUTransferBuffer(Renderer::GetDevice(), stagingBuffer);
 
-            const auto cmdBuffer = SDL_AcquireGPUCommandBuffer(Renderer::GetDevice());
+            auto cmdBuffer = SDL_AcquireGPUCommandBuffer(Renderer::GetDevice());
             const auto copyPass = SDL_BeginGPUCopyPass(cmdBuffer);
 
             SDL_GPUTextureTransferInfo transferInfo{.transfer_buffer = stagingBuffer, .offset = 0};
@@ -98,6 +116,14 @@ namespace ia::iae
             SDL_SubmitGPUCommandBuffer(cmdBuffer);
             SDL_WaitForGPUIdle(Renderer::GetDevice());
             SDL_ReleaseGPUTransferBuffer(Renderer::GetDevice(), stagingBuffer);
+
+            if (mipLevels > 1)
+            {
+                cmdBuffer = SDL_AcquireGPUCommandBuffer(Renderer::GetDevice());
+                SDL_GenerateMipmapsForGPUTexture(cmdBuffer, result);
+                SDL_SubmitGPUCommandBuffer(cmdBuffer);
+                SDL_WaitForGPUIdle(Renderer::GetDevice());
+            }
         }
         return result;
     }
@@ -138,7 +164,8 @@ namespace ia::iae
 
     VOID GPUResourceManager::DestroyTexture(IN SDL_GPUTexture *handle)
     {
-        if(!handle) return;
+        if (!handle)
+            return;
         SDL_ReleaseGPUTexture(Renderer::GetDevice(), handle);
     }
 
@@ -175,8 +202,8 @@ namespace ia::iae
         return result;
     }
 
-    SDL_GPUTexture* GPUResourceManager::CombineTextures(IN SDL_GPUTexture** textures, IN INT32 unitWidth, IN INT32 unitHeight,
-                                  IN INT32 unitCountX, IN INT32 unitCountY)
+    SDL_GPUTexture *GPUResourceManager::CombineTextures(IN SDL_GPUTexture **textures, IN INT32 unitWidth,
+                                                        IN INT32 unitHeight, IN INT32 unitCountX, IN INT32 unitCountY)
     {
         SDL_GPUTextureCreateInfo createInfo{.type = SDL_GPU_TEXTURETYPE_2D,
                                             .format = SDL_GPU_TEXTUREFORMAT_R8G8B8A8_UNORM,
@@ -198,7 +225,8 @@ namespace ia::iae
             for (INT32 x = 0; x < unitCountX; x++)
             {
                 SDL_GPUTextureLocation src{.texture = textures[x + (y * unitCountX)], .x = 0, .y = 0};
-                SDL_GPUTextureLocation dst{.texture = result, .x = (UINT32)(x * unitWidth), .y = (UINT32)(y * unitHeight)};
+                SDL_GPUTextureLocation dst{
+                    .texture = result, .x = (UINT32) (x * unitWidth), .y = (UINT32) (y * unitHeight)};
                 SDL_CopyGPUTextureToTexture(copyPass, &src, &dst, unitWidth, unitHeight, 1, false);
             }
         }

Engine/Src/Imp/CPP/Renderer/Pipeline.cpp

@@ -51,7 +51,14 @@ namespace ia::iae
 
         SDL_GPUColorTargetDescription colorTargetDesc = {
             .format = Renderer::GetRenderTargetFormat(),
-        };
+            .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,
@@ -85,16 +92,15 @@ namespace ia::iae
                                                        .front_face = SDL_GPU_FRONTFACE_COUNTER_CLOCKWISE},
             .depth_stencil_state = SDL_GPUDepthStencilState{.compare_op = SDL_GPU_COMPAREOP_GREATER_OR_EQUAL,
                                                             .write_mask = 0xFF,
-                                                            .enable_depth_test = enableDepthTest,
-                                                            .enable_depth_write = enableDepthTest,
+                                                            .enable_depth_test = false,
+                                                            .enable_depth_write = false,
                                                             .enable_stencil_test = false},
             .target_info = {.color_target_descriptions = &colorTargetDesc,
                             .num_color_targets = 1,
-                            .depth_stencil_format = SDL_GPU_TEXTUREFORMAT_D16_UNORM,
-                            .has_depth_stencil_target = enableDepthTest},
+                            .has_depth_stencil_target = false},
         };
 
-        if(!(m_handle = SDL_CreateGPUGraphicsPipeline(Renderer::GetDevice(), &createInfo)))
+        if (!(m_handle = SDL_CreateGPUGraphicsPipeline(Renderer::GetDevice(), &createInfo)))
             THROW_UNKNOWN("Failed to create a SDL graphics pipeline: ", SDL_GetError());
 
         SDL_ReleaseGPUShader(Renderer::GetDevice(), pixelShader);

Engine/Src/Imp/CPP/Renderer/Renderer.cpp

@@ -145,8 +145,8 @@ namespace ia::iae
         s_state.ColorTargetInfo.clear_color = SDL_FColor{clearColor.x, clearColor.y, clearColor.z, 1.0f};
         s_state.ColorTargetInfo.texture = s_renderTargetSceneColor;
         s_state.DepthStencilTargetInfo.texture = s_renderTargetSceneDepth;
-        s_state.ActiveRenderPass = SDL_BeginGPURenderPass(s_state.ActiveCommandBuffer, &s_state.ColorTargetInfo, 1,
-                                                          &s_state.DepthStencilTargetInfo);
+        s_state.ActiveRenderPass =
+            SDL_BeginGPURenderPass(s_state.ActiveCommandBuffer, &s_state.ColorTargetInfo, 1, nullptr);
 
         SDL_BindGPUGraphicsPipeline(s_state.ActiveRenderPass, s_geometryPipeline->GetHandle());
         SDL_PushGPUVertexUniformData(
@@ -185,8 +185,8 @@ namespace ia::iae
             SDL_BeginGPURenderPass(s_state.ActiveCommandBuffer, &s_state.ColorTargetInfo, 1, nullptr);
         SDL_BindGPUGraphicsPipeline(s_state.ActiveRenderPass, s_postprocessPipeline->GetHandle());
         SDL_GPUTextureSamplerBinding textureBindings[2] = {
-            {.texture = s_renderTargetSceneColor, .sampler = GPUResourceManager::GetSampler_LinearRepeat()},
-            {.texture = s_renderTargetDebugDrawColor, .sampler = GPUResourceManager::GetSampler_LinearRepeat()},
+            {.texture = s_renderTargetSceneColor, .sampler = GPUResourceManager::GetSampler_LinearClamp()},
+            {.texture = s_renderTargetDebugDrawColor, .sampler = GPUResourceManager::GetSampler_LinearClamp()},
         };
         SDL_BindGPUFragmentSamplers(s_state.ActiveRenderPass, 0, textureBindings, 2);
         SDL_DrawGPUPrimitives(s_state.ActiveRenderPass, 6, 1, 0, 0);
@@ -287,8 +287,11 @@ namespace ia::iae
         s_fragmentUniform.FlippedH = s_state.FlippedH;
         s_fragmentUniform.FlippedV = s_state.FlippedV;
         s_fragmentUniform.TextureOffset = s_state.TextureOffset;
-        SDL_GPUTextureSamplerBinding textureBinding{.texture = s_state.ActiveTexture,
-                                                    .sampler = ((s_state.TextureOffset.x <= FLOAT32_EPSILON) && (s_state.TextureOffset.y <= FLOAT32_EPSILON)) ? GPUResourceManager::GetSampler_LinearClamp() : GPUResourceManager::GetSampler_LinearRepeat()};
+        SDL_GPUTextureSamplerBinding textureBinding{
+            .texture = s_state.ActiveTexture,
+            .sampler = ((s_state.TextureOffset.x <= FLOAT32_EPSILON) && (s_state.TextureOffset.y <= FLOAT32_EPSILON))
+                           ? GPUResourceManager::GetSampler_LinearClamp()
+                           : GPUResourceManager::GetSampler_LinearRepeat()};
         SDL_BindGPUFragmentSamplers(s_state.ActiveRenderPass, 0, &textureBinding, 1);
         SDL_PushGPUFragmentUniformData(s_state.ActiveCommandBuffer, 0, &s_fragmentUniform, sizeof(s_fragmentUniform));
 
@@ -404,6 +407,19 @@ namespace ia::iae
                                      sizeof(Mat4));
     }
 
+    VOID Engine::SetRenderState_TransformUI(IN Vec2 position, IN Vec2 scale, IN FLOAT32 rotation)
+    {
+        Renderer::s_state.ModelMatrix =
+            glm::translate(glm::mat4(1.0f), glm::vec3{position.x, position.y,
+                                                      static_cast<FLOAT32>(0xFF << 13)});
+        Renderer::s_state.ModelMatrix =
+            glm::rotate(Renderer::s_state.ModelMatrix, rotation, glm::vec3(0.0f, 0.0f, 1.0f));
+        Renderer::s_state.ModelMatrix = glm::scale(Renderer::s_state.ModelMatrix, glm::vec3{scale.x, scale.y, 1.0f});
+
+        SDL_PushGPUVertexUniformData(Renderer::s_state.ActiveCommandBuffer, 2, &Renderer::s_state.ModelMatrix,
+                                     sizeof(Mat4));
+    }
+
     VOID Engine::SetRenderState_YSortingEnabled(IN BOOL value)
     {
         Renderer::s_state.YSortingEnabled = value;

Engine/Src/Imp/CPP/ResourceManager.cpp

@@ -61,8 +61,8 @@ namespace ia::iae
 
     Handle ResourceManager::CreateImage(IN CONST String &name, IN PCUINT8 rgbaData, IN INT32 width, IN INT32 height)
     {
-        const auto texture = GPUResourceManager::CreateTexture(SDL_GPU_TEXTUREUSAGE_SAMPLER, width, height, rgbaData,
-                                                               SDL_GPU_TEXTUREFORMAT_R8G8B8A8_UNORM);
+        const auto texture = GPUResourceManager::CreateTexture(SDL_GPU_TEXTUREUSAGE_SAMPLER | SDL_GPU_TEXTUREUSAGE_COLOR_TARGET, width, height, rgbaData,
+                                                               SDL_GPU_TEXTUREFORMAT_R8G8B8A8_UNORM, true);
         s_imageHandles.pushBack(ImageResource{.OriginalWidth = width,
                                               .OriginalHeight = height,
                                               .OriginalPixelData = new UINT8[width * height * 4],
@@ -153,8 +153,8 @@ namespace ia::iae
             stbir_resize_uint8_linear(s_imageHandles[image].OriginalPixelData, s_imageHandles[image].OriginalWidth,
                                       s_imageHandles[image].OriginalHeight, s_imageHandles[image].OriginalWidth * 4,
                                       nullptr, newWidth, newHeight, newWidth * 4, stbir_pixel_layout::STBIR_RGBA);
-        const auto texture = GPUResourceManager::CreateTexture(SDL_GPU_TEXTUREUSAGE_SAMPLER, newWidth, newHeight,
-                                                               newPixelData, SDL_GPU_TEXTUREFORMAT_R8G8B8A8_UNORM);
+        const auto texture = GPUResourceManager::CreateTexture(SDL_GPU_TEXTUREUSAGE_SAMPLER | SDL_GPU_TEXTUREUSAGE_COLOR_TARGET, newWidth, newHeight,
+                                                               newPixelData, SDL_GPU_TEXTUREFORMAT_R8G8B8A8_UNORM, true);
         GPUResourceManager::DestroyTexture(s_imageHandles[image].Handle);
         s_imageHandles[image].Handle = texture;
         s_imageHandles[image].Width = newWidth;

Engine/Src/Imp/CPP/UI.cpp

@@ -30,6 +30,9 @@ namespace ia::iae
     BOOL g_debuggerEnabled{false};
     Rml::ElementDocument *g_document{};
 
+    String g_markup;
+    Rml::SharedPtr<Rml::StyleSheetContainer> g_styleSheetContainer;
+
     class RmlUIRenderInterface : public Rml::RenderInterface
     {
       public:
@@ -445,6 +448,7 @@ namespace ia::iae
 
     VOID UI::OnScreenResize(IN INT32 newWidth, IN INT32 newHeight)
     {
+        //g_context->SetDimensions(Rml::Vector2i{newWidth, newHeight});
     }
 
     VOID UI::AddFontFromFile(IN CONST String &path)
@@ -454,9 +458,10 @@ namespace ia::iae
 
     VOID UI::SetMarkup(IN CONST String &markup, IN CONST String &styles)
     {
-        g_document->SetStyleSheetContainer(Rml::Factory::InstanceStyleSheetString(styles.c_str()));
-        g_document->SetInnerRML(
-            BuildString("<body style=\"display: block; width: 100%; height: 100%;\">", markup, "</body>").c_str());
+        g_styleSheetContainer = Rml::Factory::InstanceStyleSheetString(styles.c_str());
+        g_markup = BuildString("<body style=\"display: block; width: 100vw; height: 100vh;\">", markup, "</body>");
+        //g_document->SetStyleSheetContainer(g_styleSheetContainer);
+        //g_document->SetInnerRML(g_markup.c_str());
     }
 
     VOID UI::AddClickEvent(IN PCCHAR elementId, IN std::function<VOID()> callback)
@@ -491,7 +496,7 @@ namespace ia::iae
         Engine::SetRenderState_ColorOverlay({255, 255, 255, 255});
         Engine::SetRenderState_TextureOffset({0, 0});
         Engine::SetRenderState_CameraRelative(false);
-        Engine::SetRenderState_Transform({translation.x, translation.y}, {1.0f, 1.0f}, 0, 0xFF, 0);
+        Engine::SetRenderState_TransformUI({translation.x, translation.y}, {1.0f, 1.0f}, 0);
 
         Engine::DrawGeometry((Handle) geometry);
     }

Engine/Src/Imp/HPP/Renderer/GPUResourceManager.hpp

@@ -30,7 +30,7 @@ namespace ia::iae
         STATIC SDL_GPUSampler *GetSampler_LinearClamp();
         STATIC SDL_GPUSampler *GetSampler_LinearRepeat();
 
-        STATIC SDL_GPUTexture *CreateTexture(IN SDL_GPUTextureUsageFlags usage, IN INT32 width, IN INT32 height, IN PCUINT8 rgbaData = nullptr, IN SDL_GPUTextureFormat format = SDL_GPU_TEXTUREFORMAT_R8G8B8A8_UNORM);
+        STATIC SDL_GPUTexture *CreateTexture(IN SDL_GPUTextureUsageFlags usage, IN INT32 width, IN INT32 height, 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);

Engine/Src/Inc/IAEngine/Engine.hpp

@@ -61,6 +61,7 @@ namespace ia::iae
         STATIC VOID SetRenderState_Texture(IN Handle image);
         STATIC VOID SetRenderState_Transform(IN Vec2 position, IN Vec2 scale, IN FLOAT32 rotation, IN UINT8 layer,
                                              IN INT16 sortIndex);
+        STATIC VOID SetRenderState_TransformUI(IN Vec2 position, IN Vec2 scale, IN FLOAT32 rotation);
         STATIC Vec2 GetRendererScalingFactor();
 
         // Debug Draw Functions