Remove old RT1_FloatRGB and RT2_FloatRGB in favor pooled render targets

Source/Engine/Graphics/RenderBuffers.cpp

@@ -20,8 +20,6 @@ RenderBuffers::RenderBuffers(const SpawnParams& params)
     CREATE_TEXTURE(GBuffer1);
     CREATE_TEXTURE(GBuffer2);
     CREATE_TEXTURE(GBuffer3);
-    CREATE_TEXTURE(RT1_FloatRGB);
-    CREATE_TEXTURE(RT2_FloatRGB);
 #undef CREATE_TEXTURE
 }
 
@@ -125,19 +123,7 @@ bool RenderBuffers::GetUseAlpha() const
 
 void RenderBuffers::SetUseAlpha(bool value)
 {
-    if (_useAlpha != value)
+    _useAlpha = value;
-    {
-        _useAlpha = value;
-
-        // Reallocate buffers
-        if (_width != 0)
-        {
-            auto desc = GPUTextureDescription::New2D(_width, _height, GetOutputFormat(), GPUTextureFlags::ShaderResource | GPUTextureFlags::RenderTarget);
-            desc.DefaultClearColor = Color::Transparent;
-            RT1_FloatRGB->Init(desc);
-            RT2_FloatRGB->Init(desc);
-        }
-    }
 }
 
 const RenderBuffers::CustomBuffer* RenderBuffers::FindCustomBuffer(const StringView& name) const
@@ -197,12 +183,6 @@ bool RenderBuffers::Init(int32 width, int32 height)
     desc.DefaultClearColor = Color::Transparent;
     result |= GBuffer3->Init(desc);
 
-    // Helper HDR buffers
-    desc.Format = GetOutputFormat();
-    desc.DefaultClearColor = Color::Transparent;
-    result |= RT1_FloatRGB->Init(desc);
-    result |= RT2_FloatRGB->Init(desc);
-
     // Cache data
     _width = width;
     _height = height;

Source/Engine/Graphics/RenderBuffers.h

@@ -54,9 +54,6 @@ public:
         GPUTexture* GBuffer[4];
     };
 
-    GPUTexture* RT1_FloatRGB;
-    GPUTexture* RT2_FloatRGB;
-
     // Helper target for the eye adaptation
     float LastEyeAdaptationTime = 0.0f;
     GPUTexture* LuminanceMap = nullptr;

Source/Engine/Renderer/GI/GlobalSurfaceAtlasPass.cpp

@@ -1126,7 +1126,8 @@ void GlobalSurfaceAtlasPass::RenderDebug(RenderContext& renderContext, GPUContex
         Float2 outputSizeThird = outputSize * 0.333f;
         Float2 outputSizeTwoThird = outputSize * 0.666f;
 
-        GPUTexture* tempBuffer = renderContext.Buffers->RT2_FloatRGB;
+        auto tempBuffer = RenderTargetPool::Get(output->GetDescription());
+        RENDER_TARGET_POOL_SET_NAME(tempBuffer, "GlobalSurfaceAtlas.TempBuffer");
         context->Clear(tempBuffer->View(), Color::Black);
         context->SetRenderTarget(tempBuffer->View());
 

Source/Engine/Renderer/Renderer.cpp

@@ -388,7 +388,7 @@ void RenderInner(SceneRenderTask* task, RenderContext& renderContext, RenderCont
     auto outputFormat = renderContext.Buffers->GetOutputFormat();
     auto tempDesc = GPUTextureDescription::New2D(renderContext.Buffers->GetWidth(), renderContext.Buffers->GetHeight(), outputFormat);
     auto lightBuffer = RenderTargetPool::Get(tempDesc);
-    RENDER_TARGET_POOL_SET_NAME(lightBuffer, "Lighting");
+    RENDER_TARGET_POOL_SET_NAME(lightBuffer, "LightBuffer");
 
 #if USE_EDITOR
     if (renderContext.View.Mode == ViewMode::QuadOverdraw)
@@ -471,7 +471,8 @@ void RenderInner(SceneRenderTask* task, RenderContext& renderContext, RenderCont
     if (renderContext.View.Mode == ViewMode::LightBuffer)
     {
         auto colorGradingLUT = ColorGradingPass::Instance()->RenderLUT(renderContext);
-        GPUTexture* tempBuffer = renderContext.Buffers->RT2_FloatRGB;
+        auto tempBuffer = RenderTargetPool::Get(tempDesc);
+        RENDER_TARGET_POOL_SET_NAME(tempBuffer, "TempBuffer");
         EyeAdaptationPass::Instance()->Render(renderContext, lightBuffer);
         PostProcessingPass::Instance()->Render(renderContext, lightBuffer, tempBuffer, colorGradingLUT);
         RenderTargetPool::Release(colorGradingLUT);
@@ -480,6 +481,7 @@ void RenderInner(SceneRenderTask* task, RenderContext& renderContext, RenderCont
         context->SetRenderTarget(task->GetOutputView());
         context->SetViewportAndScissors(task->GetOutputViewport());
         context->Draw(tempBuffer);
+        RenderTargetPool::Release(tempBuffer);
         return;
     }
 
@@ -519,8 +521,8 @@ void RenderInner(SceneRenderTask* task, RenderContext& renderContext, RenderCont
     }
 
     // Run forward pass
-    GPUTexture* frameBuffer = renderContext.Buffers->RT1_FloatRGB;
+    auto frameBuffer = RenderTargetPool::Get(tempDesc);
-    GPUTexture* tempBuffer = renderContext.Buffers->RT2_FloatRGB;
+    RENDER_TARGET_POOL_SET_NAME(frameBuffer, "FrameBuffer");
     ForwardPass::Instance()->Render(renderContext, lightBuffer, frameBuffer);
 
     // Cleanup
@@ -535,10 +537,13 @@ void RenderInner(SceneRenderTask* task, RenderContext& renderContext, RenderCont
         context->SetRenderTarget(task->GetOutputView());
         context->SetViewportAndScissors(task->GetOutputViewport());
         context->Draw(frameBuffer);
+        RenderTargetPool::Release(frameBuffer);
         return;
     }
 
     // Material and Custom PostFx
+    auto tempBuffer = RenderTargetPool::Get(tempDesc);
+    RENDER_TARGET_POOL_SET_NAME(tempBuffer, "TempBuffer");
     renderContext.List->RunMaterialPostFxPass(context, renderContext, MaterialPostFxLocation::BeforePostProcessingPass, frameBuffer, tempBuffer);
     renderContext.List->RunCustomPostFxPass(context, renderContext, PostProcessEffectLocation::BeforePostProcessingPass, frameBuffer, tempBuffer);
 
@@ -588,6 +593,8 @@ void RenderInner(SceneRenderTask* task, RenderContext& renderContext, RenderCont
         context->SetRenderTarget(task->GetOutputView());
         context->SetViewportAndScissors(task->GetOutputViewport());
         MotionBlurPass::Instance()->RenderDebug(renderContext, frameBuffer->View());
+        RenderTargetPool::Release(tempBuffer);
+        RenderTargetPool::Release(frameBuffer);
         return;
     }
 
@@ -623,4 +630,7 @@ void RenderInner(SceneRenderTask* task, RenderContext& renderContext, RenderCont
             MultiScaler::Instance()->Upscale(context, task->GetOutputViewport(), frameBuffer, task->GetOutputView());
         }
     }
+
+    RenderTargetPool::Release(tempBuffer);
+    RenderTargetPool::Release(frameBuffer);
 }