FMaterialUniformExpressionExternalTextureBase Class Reference

#include <MaterialUniformExpressions.h>

Inheritance diagram for FMaterialUniformExpressionExternalTextureBase:

Public Member Functions
	FMaterialUniformExpressionExternalTextureBase (int32 InSourceTextureIndex=INDEX_NONE)
	FMaterialUniformExpressionExternalTextureBase (const FGuid &InExternalTextureGuid)
virtual bool	IsConstant () const override
virtual bool	IsIdentical (const FMaterialUniformExpression *OtherExpression) const override
int32	GetSourceTextureIndex () const
Public Member Functions inherited from FMaterialUniformExpression
virtual	~FMaterialUniformExpression ()
virtual FMaterialUniformExpressionType *	GetType () const =0
virtual class FMaterialUniformExpressionTexture *	GetTextureUniformExpression ()
virtual class FMaterialUniformExpressionExternalTexture *	GetExternalTextureUniformExpression ()
virtual class FMaterialUniformExpressionTextureCollection *	GetTextureCollectionUniformExpression ()
virtual void	WriteNumberOpcodes (UE::Shader::FPreshaderData &OutData) const
virtual void	GetNumberValue (const struct FMaterialRenderContext &Context, FLinearColor &OutValue) const
virtual TArrayView< const FMaterialUniformExpression * >	GetChildren () const
Public Member Functions inherited from FRefCountedObject
	FRefCountedObject ()
virtual	~FRefCountedObject ()
	FRefCountedObject (const FRefCountedObject &Rhs)=delete
FRefCountedObject &	operator= (const FRefCountedObject &Rhs)=delete
FReturnedRefCountValue	AddRef () const
uint32	Release () const
uint32	GetRefCount () const

Protected Member Functions
FGuid	ResolveExternalTextureGUID (const FMaterialRenderContext &Context, TOptional< FName > ParameterName=TOptional< FName >()) const

Protected Attributes
int32	SourceTextureIndex
FGuid	ExternalTextureGuid

Additional Inherited Members
Public Attributes inherited from FMaterialUniformExpression
int32	UniformOffset = INDEX_NONE
int32	UniformIndex = INDEX_NONE

Constructor & Destructor Documentation

FMaterialUniformExpressionExternalTextureBase() [1/2]

FMaterialUniformExpressionExternalTextureBase::FMaterialUniformExpressionExternalTextureBase

(

int32

InSourceTextureIndex = INDEX_NONE

)

FMaterialUniformExpressionExternalTextureBase() [2/2]

FMaterialUniformExpressionExternalTextureBase::FMaterialUniformExpressionExternalTextureBase

(

const FGuid &

InExternalTextureGuid

)

Member Function Documentation

GetSourceTextureIndex()

int32 FMaterialUniformExpressionExternalTextureBase::GetSourceTextureIndex ( ) const

inline

IsConstant()

virtual bool FMaterialUniformExpressionExternalTextureBase::IsConstant ( ) const

inlineoverridevirtual

Reimplemented from FMaterialUniformExpression.

IsIdentical()

bool FMaterialUniformExpressionExternalTextureBase::IsIdentical ( const FMaterialUniformExpression *  OtherExpression ) const

overridevirtual

Reimplemented from FMaterialUniformExpression.

Reimplemented in FMaterialUniformExpressionExternalTextureParameter, FMaterialUniformExpressionExternalTextureCoordinateScaleRotation, and FMaterialUniformExpressionExternalTextureCoordinateOffset.

ResolveExternalTextureGUID()

FGuid FMaterialUniformExpressionExternalTextureBase::ResolveExternalTextureGUID ( const FMaterialRenderContext &  Context, TOptional< FName >  ParameterName = TOptional<FName>()  ) const

protected

Resolve the guid that relates to texture information inside FExternalTexture

Member Data Documentation

ExternalTextureGuid

FGuid FMaterialUniformExpressionExternalTextureBase::ExternalTextureGuid

protected

Optional external texture GUID defined at compile time

SourceTextureIndex

int32 FMaterialUniformExpressionExternalTextureBase::SourceTextureIndex

protected

Index of the texture in the material that should be used to retrieve the external texture GUID at runtime (or INDEX_NONE)

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The documentation for this class was generated from the following files:

• Engine/Source/Runtime/Engine/Private/Materials/MaterialUniformExpressions.h
• Engine/Source/Runtime/Engine/Private/Materials/MaterialUniformExpressions.cpp