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  3. FMaterialExpressionKey

FMaterialExpressionKey

Uniquely identifies a material expression output.

API > API/Runtime > API/Runtime/Engine

References

   
Module Engine
Header /Engine/Source/Runtime/Engine/Public/MaterialShared.h
Include #include "MaterialShared.h"

Syntax

class FMaterialExpressionKey

Remarks

Uniquely identifies a material expression output. Used by the material compiler to keep track of which output it is compiling.

Variables

  Type Name Description
Public variable bool bCompilingPreviousFrameKey Expressions are different (e.g. View.PrevWorldViewOrigin) when using previous frame's values, value if from FHLSLMaterialTranslator::bCompilingPreviousFrame.
Public variable UMaterialExpression * Expression  
Public variable FGuid MaterialAttributeID Attribute currently being compiled through a MatterialAttributes connection.
Public variable int32 OutputIndex  

Constructors

  Type Name Description
Public function  

FMaterialExpressionKey ( UMaterialExpression* InExpression,
int32 InOutputIndex
)

  
Public function  

FMaterialExpressionKey ( UMaterialExpression* InExpression,
int32 InOutputIndex,
const FGuid& InMaterialAttributeID,
bool bInCompilingPreviousFrameKey
)

  

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