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03-UnrealEngine/Rendering/RenderingPipeline/Materials/MeshDraw.md

@@ -31,9 +31,37 @@ PS.使用的Shader必须是`FNaniteGlobalShader`的子类。
 该函数在FDeferredShadingSceneRenderer::RenderBasePassInternal()中调用。
 
 DrawNaniteMaterialPass() => SubmitNaniteIndirectMaterial()
-## DepthStencil
+## PSO
+-  RDG 04 Graphics Pipeline State Initializer https://zhuanlan.zhihu.com/p/582020846 
+
+- FGraphicsPipelineStateInitializer
+	- FRHIDepthStencilState*           DepthStencilState
+	- FRHIBlendState*                       BlendState
+	- FRHIRasterizerState*                RasterizerState
+	- EPrimitiveType                           PrimitiveType
+	- FBoundShaderStateInput         BoundShaderState.VertexDeclarationRHI
+	- FBoundShaderStateInput         BoundShaderState.VertexShaderRHI
+	- FBoundShaderStateInput         BoundShaderState.PixelShaderRHI
+	- ……
+
+// 应用
+SetGraphicsPipelineState(RHICmdList, GraphicsPSOInit,0);
+
+## FMeshPassProcessorRenderState
+- FMeshPassProcessorRenderState
+	- FRHIBlendState*                         BlendState
+	- FRHIDepthStencilState*             DepthStencilState
+	- FExclusiveDepthStencil::Type    DepthStencilAccess
+	- FRHIUniformBuffer*                    ViewUniformBuffer
+	- FRHIUniformBuffer*                    InstancedViewUniformBuffer
+	- FRHIUniformBuffer*                    PassUniformBuffer
+	- FRHIUniformBuffer*                    NaniteUniformBuffer
+	- uint32                                          StencilRef = 0;
+
+### FRHIBlendState
+### FRHIDepthStencilState
 ***TStaticDepthStencilState***
--  RDG 04 Graphics Pipeline State Initializer https://zhuanlan.zhihu.com/p/582020846
+
 
 
 ```c++
@@ -99,7 +127,8 @@ void SetDepthStencilStateForBasePass(
 }
 ```
 
-### InitCustomDepthStencilContext()
+### CustomStencil
+#### InitCustomDepthStencilContext()
 根据当前平台是否支持使用ComputeShader直接输出结果（bComputeExport）、以及是否写入Stencil缓存，以此来创建不同的资源。最终输出FCustomDepthContext。
 ```c++
 struct FCustomDepthContext  
@@ -112,7 +141,7 @@ struct FCustomDepthContext
 };
 ```
 
-### EmitCustomDepthStencilTargets()
+#### EmitCustomDepthStencilTargets()
 根据bComputeExport，分别使用RDG的ComputeShader与PixelShader输出DepthStencil。 
 - CS使用FComputeShaderUtils::AddPass()
 - PS使用NaniteExportGBuffer.usf的**EmitCustomDepthStencilPS()**，FPixelShaderUtils::AddFullscreenPass()
@@ -125,10 +154,9 @@ struct FCustomDepthContext
 - Texture2D`<`UlongType`>`, VisBuffer64
 - ByteAddressBuffer MaterialSlotTable
 
-### FinalizeCustomDepthStencil()
+#### FinalizeCustomDepthStencil()
 替换输出的Depth&Stencil。
 
-
 # FViewInfo
 FViewInfo& ViewInfo
 - WriteView.bSceneHasSkyMaterial |= bSceneHasSkyMaterial;