vault backup: 2024-09-27 11:52:24

03-UnrealEngine/卡通渲染相关资料/渲染功能/ShaderModel/BasePass C++.md

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+---
+title: Untitled
+date: 2024-09-26 18:41:24
+excerpt: 
+tags: 
+rating: ⭐
+---
+# SetDepthStencilStateForBasePass()
+```c++
+void SetDepthStencilStateForBasePass(
+	FMeshPassProcessorRenderState& DrawRenderState,
+	ERHIFeatureLevel::Type FeatureLevel,
+	bool bDitheredLODTransition,
+	const FMaterial& MaterialResource,
+	bool bEnableReceiveDecalOutput,
+	bool bForceEnableStencilDitherState)
+{
+	const bool bMaskedInEarlyPass = (MaterialResource.IsMasked() || bDitheredLODTransition) && MaskedInEarlyPass(GShaderPlatformForFeatureLevel[FeatureLevel]);
+	if (bEnableReceiveDecalOutput)
+	{
+		if (bMaskedInEarlyPass)
+		{
+			SetDepthStencilStateForBasePass_Internal<false, CF_Equal>(DrawRenderState, FeatureLevel);
+		}
+		else if (DrawRenderState.GetDepthStencilAccess() & FExclusiveDepthStencil::DepthWrite)
+		{
+			SetDepthStencilStateForBasePass_Internal<true, CF_GreaterEqual>(DrawRenderState, FeatureLevel);
+		}
+		else
+		{
+			SetDepthStencilStateForBasePass_Internal<false, CF_GreaterEqual>(DrawRenderState, FeatureLevel);
+		}
+	}
+	else if (bMaskedInEarlyPass)
+	{
+		DrawRenderState.SetDepthStencilState(TStaticDepthStencilState<false, CF_Equal>::GetRHI());
+	}
+
+	if (bForceEnableStencilDitherState)
+	{
+		SetDepthStencilStateForBasePass_Internal<false, CF_Equal>(DrawRenderState, FeatureLevel);
+	}
+}
+```
+#