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03-UnrealEngine/卡通渲染相关资料/渲染功能/阴影控制/ToonShadow.md

@@ -7,8 +7,71 @@ rating: ⭐
 ---
 # 阴影偏移
 可以考虑的Buffer有
-- Depth
+- ShadowDepths
 - CustomDepth
 
+## 相关Paas
+1. ShadowDepths
+
+
+# 其他
 顺序：
-RenderCustomDepthPass
+RenderCustomDepthPass
+
+FSceneRenderer::CreateDynamicShadows
+=>
+FSceneRenderer::CreatePerObjectProjectedShadow
+
+
+
+```c++
+if (!IsForwardShadingEnabled(ShaderPlatform))  
+{  
+    // Dynamic shadows are synced later when using the deferred path to make more headroom for tasks.  
+    FinishInitDynamicShadows(GraphBuilder, InitViewTaskDatas.DynamicShadows, InstanceCullingManager, ExternalAccessQueue);  
+}
+```
+
+```c++
+if (RendererOutput == ERendererOutput::DepthPrepassOnly)
+	{
+		RenderOcclusionLambda();
+
+		if (bUpdateNaniteStreaming)
+		{
+			Nanite::GStreamingManager.SubmitFrameStreamingRequests(GraphBuilder);
+		}
+
+		CopySceneCaptureComponentToTarget(GraphBuilder, SceneTextures, ViewFamilyTexture, ViewFamily, Views);
+	}
+	else
+	{
+		GVRSImageManager.PrepareImageBasedVRS(GraphBuilder, ViewFamily, SceneTextures);
+
+		if (!IsForwardShadingEnabled(ShaderPlatform))
+		{
+			// Dynamic shadows are synced later when using the deferred path to make more headroom for tasks.
+			FinishInitDynamicShadows(GraphBuilder, InitViewTaskDatas.DynamicShadows, InstanceCullingManager, ExternalAccessQueue);
+		}
+
+		// Update groom only visible in shadow
+		if (IsHairStrandsEnabled(EHairStrandsShaderType::All, Scene->GetShaderPlatform()) && RendererOutput == ERendererOutput::FinalSceneColor)
+		{
+			UpdateHairStrandsBookmarkParameters(Scene, Views, HairStrandsBookmarkParameters);
+
+			// Interpolation for cards/meshes only visible in shadow needs to happen after the shadow jobs are completed
+			const bool bRunHairStrands = HairStrandsBookmarkParameters.HasInstances() && (Views.Num() > 0);
+			if (bRunHairStrands)
+			{
+				RunHairStrandsBookmark(GraphBuilder, EHairStrandsBookmark::ProcessCardsAndMeshesInterpolation_ShadowView, HairStrandsBookmarkParameters);
+			}
+		}
+	
+		// NOTE: The ordering of the lights is used to select sub-sets for different purposes, e.g., those that support clustered deferred.
+		FSortedLightSetSceneInfo& SortedLightSet = *GraphBuilder.AllocObject<FSortedLightSetSceneInfo>();
+		{
+			RDG_CSV_STAT_EXCLUSIVE_SCOPE(GraphBuilder, SortLights);
+			RDG_GPU_STAT_SCOPE(GraphBuilder, SortLights);
+			ComputeLightGridOutput = GatherLightsAndComputeLightGrid(GraphBuilder, bComputeLightGrid, SortedLightSet);
+		}
+```