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03-UnrealEngine/卡通渲染相关资料/渲染功能/其他参考/其他游戏与软件参考/鸣潮_女主_皮肤.png Normal file
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@ -0,0 +1,3 @@
version https://git-lfs.github.com/spec/v1
oid sha256:e4f9f533ecf956176b62814d03d443ce7c51b027d1d100f24a3d6c8f247bb9d9
size 1509308

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03-UnrealEngine/卡通渲染相关资料/渲染功能/阴影控制/ToonShadow.md
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@ -387,6 +387,58 @@ void SetupShadowDepthPassUniformBuffer(
}
```
## FShadowDepthPassMeshProcessor
CullMode：双面物体会使用CM_None，其余的使用 CM_CW或者CM_CCW。
```c++
bool FShadowDepthPassMeshProcessor::TryAddMeshBatch(const FMeshBatch& RESTRICT MeshBatch,
uint64 BatchElementMask,
const FPrimitiveSceneProxy* RESTRICT PrimitiveSceneProxy,
int32 StaticMeshId,
const FMaterialRenderProxy& MaterialRenderProxy,
const FMaterial& Material)
{
const bool bShouldCastShadow = Material.ShouldCastDynamicShadows();
const FMeshDrawingPolicyOverrideSettings OverrideSettings = ComputeMeshOverrideSettings(MeshBatch);
const ERasterizerFillMode MeshFillMode = ComputeMeshFillMode(Material, OverrideSettings);
const ERasterizerCullMode MeshCullMode = FMeshPassProcessor::ComputeMeshCullMode(Material, OverrideSettings);
ERasterizerCullMode FinalCullMode = SetupShadowCullMode(FeatureLevel, MeshPassTargetType, ShadowDepthType, Material, MeshCullMode, PrimitiveSceneProxy->CastsShadowAsTwoSided());
//判断是否投射动态阴影 && 是否在MainPass中渲染 && 是否会走OpaquePass
bool bResult = true;
if (bShouldCastShadow
&& ShouldIncludeDomainInMeshPass(Material.GetMaterialDomain())
&& ShouldIncludeMaterialInDefaultOpaquePass(Material)
&& EnumHasAnyFlags(MeshSelectionMask, MeshBatch.VertexFactory->SupportsGPUScene(FeatureLevel) ? EShadowMeshSelection::VSM : EShadowMeshSelection::SM))
{
const FMaterialRenderProxy* EffectiveMaterialRenderProxy = &MaterialRenderProxy;
const FMaterial* EffectiveMaterial = &Material;
const bool bVFTypeSupportsNullPixelShader = MeshBatch.VertexFactory->SupportsNullPixelShader();
const bool bEvaluateWPO = Material.MaterialModifiesMeshPosition_RenderThread()
&& (!ShouldOptimizedWPOAffectNonNaniteShaderSelection() || PrimitiveSceneProxy->EvaluateWorldPositionOffset());
//取得NullPixelShader以及计算材质中的WPO，之后如果对没有Pixel进行写入且没有改变WPO使用默认材质渲染；否则则采用当前模型的材质。
if (UseDefaultMaterialForShadowDepth(Material, bVFTypeSupportsNullPixelShader, bEvaluateWPO))
{
const FMaterialRenderProxy* DefaultProxy = UMaterial::GetDefaultMaterial(MD_Surface)->GetRenderProxy();
const FMaterial* DefaultMaterialResource = DefaultProxy->GetMaterialNoFallback(FeatureLevel);
check(DefaultMaterialResource);
// Override with the default material for opaque materials that don't modify mesh position.
EffectiveMaterialRenderProxy = DefaultProxy;
EffectiveMaterial = DefaultMaterialResource;
}
bResult = Process(MeshBatch, BatchElementMask, StaticMeshId, PrimitiveSceneProxy, *EffectiveMaterialRenderProxy, *EffectiveMaterial, MeshFillMode, FinalCullMode);
}
return bResult;
}
```
# Lights
### Shader
ShadowProjectionPixelShader.usf