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  3. FExpressionDistanceFieldApproxAO

FExpressionDistanceFieldApproxAO

API > API/Runtime > API/Runtime/Engine

Inheritance Hierarchy

References

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

Syntax

class FExpressionDistanceFieldApproxAO : public UE::HLSLTree::FExpression

Variables

  Type Name Description
Public variable const FExpression * DistanceBiasExpression  
Public variable const FExpression * MaxDistanceExpression  
Public variable const FExpression * NormalExpression  
Public variable int32 NumSteps  
Public variable const FExpression * PositionExpression  
Public variable const FExpression * StepDistanceExpression  
Public variable float StepScale  

Constructors

  Type Name Description
Public function  

FExpressionDistanceFieldApproxAO ( const FExpression* InPositionExpression,
const FExpression* InNormalExpression,
const FExpression* InStepDistanceExpression,
const FExpression* InDistanceBiasExpression,
const FExpression* InMaxDistanceExpression,
int32 InNumSteps,
float InStepScale
)

  

Overridden from FExpression

  Type Name Description
Public function Virtual Const void

EmitValueShader ( FEmitContext& Context,
FEmitScope& Scope,
const FRequestedType& RequestedType,
FEmitValueShaderResult& OutResult
)

 Emit HLSL shader code representing this expression
Public function Virtual Const bool

PrepareValue ( FEmitContext& Context,
FEmitScope& Scope,
const FRequestedType& RequestedType,
FPrepareValueResult& OutResult
)

 Computes a FPreparedType for this expression, given a FRequestedType.

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