BlueRoseNote/03-UnrealEngine/Rendering/RenderingPipeline/GPUScene.md

title, date, excerpt, tags, rating

title	date	excerpt	tags	rating
Untitled	2024-08-15 12:02:42			⭐

前言

• UE5渲染--GPUScene与合并绘制

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

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);  
}