2024-12-08 12:40:30 +08:00
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---
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title: Untitled
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date: 2024-12-08 12:18:54
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excerpt:
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tags:
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rating: ⭐
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---
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# 阴影偏移
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可以考虑的Buffer有
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2024-12-08 13:54:44 +08:00
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- ShadowDepths
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2024-12-08 12:40:30 +08:00
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- CustomDepth
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2024-12-08 13:54:44 +08:00
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## 相关Paas
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1. ShadowDepths
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2024-12-08 19:13:24 +08:00
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2. Lights
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1. DirectLighting
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1. UnbatchedLights
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1. ShadowProjectionOnOpaque
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2024-12-08 13:54:44 +08:00
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# 其他
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2024-12-08 12:40:30 +08:00
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顺序：
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2024-12-08 13:54:44 +08:00
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RenderCustomDepthPass
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FSceneRenderer::CreateDynamicShadows
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=>
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FSceneRenderer::CreatePerObjectProjectedShadow
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```c++
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if (!IsForwardShadingEnabled(ShaderPlatform))
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{
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// Dynamic shadows are synced later when using the deferred path to make more headroom for tasks.
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FinishInitDynamicShadows(GraphBuilder, InitViewTaskDatas.DynamicShadows, InstanceCullingManager, ExternalAccessQueue);
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}
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```
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```c++
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if (RendererOutput == ERendererOutput::DepthPrepassOnly)
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{
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RenderOcclusionLambda();
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if (bUpdateNaniteStreaming)
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{
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Nanite::GStreamingManager.SubmitFrameStreamingRequests(GraphBuilder);
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}
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CopySceneCaptureComponentToTarget(GraphBuilder, SceneTextures, ViewFamilyTexture, ViewFamily, Views);
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}
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else
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{
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GVRSImageManager.PrepareImageBasedVRS(GraphBuilder, ViewFamily, SceneTextures);
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if (!IsForwardShadingEnabled(ShaderPlatform))
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{
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// Dynamic shadows are synced later when using the deferred path to make more headroom for tasks.
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FinishInitDynamicShadows(GraphBuilder, InitViewTaskDatas.DynamicShadows, InstanceCullingManager, ExternalAccessQueue);
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}
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// Update groom only visible in shadow
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if (IsHairStrandsEnabled(EHairStrandsShaderType::All, Scene->GetShaderPlatform()) && RendererOutput == ERendererOutput::FinalSceneColor)
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{
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UpdateHairStrandsBookmarkParameters(Scene, Views, HairStrandsBookmarkParameters);
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// Interpolation for cards/meshes only visible in shadow needs to happen after the shadow jobs are completed
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const bool bRunHairStrands = HairStrandsBookmarkParameters.HasInstances() && (Views.Num() > 0);
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if (bRunHairStrands)
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{
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RunHairStrandsBookmark(GraphBuilder, EHairStrandsBookmark::ProcessCardsAndMeshesInterpolation_ShadowView, HairStrandsBookmarkParameters);
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}
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}
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// NOTE: The ordering of the lights is used to select sub-sets for different purposes, e.g., those that support clustered deferred.
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FSortedLightSetSceneInfo& SortedLightSet = *GraphBuilder.AllocObject<FSortedLightSetSceneInfo>();
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{
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RDG_CSV_STAT_EXCLUSIVE_SCOPE(GraphBuilder, SortLights);
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RDG_GPU_STAT_SCOPE(GraphBuilder, SortLights);
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ComputeLightGridOutput = GatherLightsAndComputeLightGrid(GraphBuilder, bComputeLightGrid, SortedLightSet);
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}
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```
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