vault backup: 2024-08-15 12:39:00

03-UnrealEngine/Rendering/RenderingPipeline/GPUScene.md

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+---
+title: Untitled
+date: 2024-08-15 12:02:42
+excerpt: 
+tags: 
+rating: ⭐
+---
+# 前言
+- [UE5渲染--GPUScene与合并绘制](https://zhuanlan.zhihu.com/p/614758211)
+
+# 相关类型
+- Primitive：
+	- C++的数据类型_FPrimitiveUniformShaderParameters_（PrimitiveUniformShaderParameters.h)
+	- Shader的数据FPrimitiveSceneData（SceneData.ush)；
+- Instance：
+	- C++的数据类型FInstanceSceneShaderData（InstanceUniformShaderParameters.h)
+	- Shader的数据FInstanceSceneData（SceneData.ush)；
+- Payload：
+	- C++数据类型FPackedBatch、FPackedItem（InstanceCullingLoadBalancer.h)
+	- Shader的数据类型FPackedInstanceBatch、FPackedInstanceBatchItem（InstanceCullingLoadBalancer.ush)
+
+# DeferredShadingRenderer.cpp
+```c++
+Scene->GPUScene.Update(GraphBuilder, GetSceneUniforms(), *Scene, ExternalAccessQueue);  
+  
+for (int32 ViewIndex = 0; ViewIndex < Views.Num(); ViewIndex++)  
+{  
+    FViewInfo& View = Views[ViewIndex];  
+    RDG_GPU_MASK_SCOPE(GraphBuilder, View.GPUMask);  
+    
+    Scene->GPUScene.UploadDynamicPrimitiveShaderDataForView(GraphBuilder, *Scene, View, ExternalAccessQueue);  
+    
+    Scene->GPUScene.DebugRender(GraphBuilder, *Scene, GetSceneUniforms(), View);  
+}
+```