UMaterialExpressionPathTracingBufferTexture | Unreal Engine 5.7 Documentation

Path tracing buffer is only accessable in postprocess material.


Name	UMaterialExpressionPathTracingBufferTexture
Type	class
Header File	/Engine/Source/Runtime/Engine/Public/Materials/MaterialExpressionPathTracingBufferTexture.h
Include Path	#include "Materials/MaterialExpressionPathTracingBufferTexture.h"

Syntax

UCLASS (CollapseCategories, HideCategories=Object)  
class UMaterialExpressionPathTracingBufferTexture : public UMaterialExpression

UObjectBase → UObjectBaseUtility → UObject → UMaterialExpression → UMaterialExpressionPathTracingBufferTexture

Name	Remarks	Include Path	Unreal Specifiers
UMaterialExpressionPathTracingBufferTexture ( const FObjectInitializer& ObjectInitializer )		Materials/MaterialExpressionPathTracingBufferTexture.h

Name	Type	Remarks	Include Path	Unreal Specifiers
Coordinates	FExpressionInput	UV in 0..1 range	Materials/MaterialExpressionPathTracingBufferTexture.h	Meta=(RequiredInput="false", ToolTip="Ignored if not specified")
PathTracingBufferTextureId	TEnumAsByte< EPathTracingBufferTextureId >	Which path tracing buffer texture we want to make a lookup into.	Materials/MaterialExpressionPathTracingBufferTexture.h	EditAnywhere Category=UMaterialExpressionPathTracingBufferTexture Meta=(DisplayName="Buffer Texture (Path Tracing)")

Name	Remarks	Include Path	Unreal Specifiers
virtual int32 Compile ( FMaterialCompiler* Compiler, int32 OutputIndex )	Create the new shader code chunk needed for the Abs expression	Materials/MaterialExpressionPathTracingBufferTexture.h
virtual void GetCaption ( TArray< FString >& OutCaptions ) const	Returns the text to display on the material expression (in the material editor).	Materials/MaterialExpressionPathTracingBufferTexture.h