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  3. FUniformExpressionSet

FUniformExpressionSet

Stores all uniform expressions for a material generated from a material translation.

API > API/Runtime > API/Runtime/Engine

Stores all uniform expressions for a material generated from a material translation.

   
Name FUniformExpressionSet
Type class
Header File /Engine/Source/Runtime/Engine/Public/MaterialShared.h
Include Path #include "MaterialShared.h"

Syntax

class FUniformExpressionSet

Constructors

Name Remarks Include Path Unreal Specifiers

FUniformExpressionSet()

   MaterialShared.h  

Classes

Name Remarks
FVTPackedStackAndLayerIndex  

Structs

Name Remarks
InternalLinkType  

Typedefs

Name Type Remarks Include Path
DerivedType FUniformExpressionSet   MaterialShared.h
InternalBaseType typename TGetBaseTypeHelper< FUniformExpressionSet >::Type   MaterialShared.h

Constants

Name Type Remarks Include Path
CounterBase int   MaterialShared.h
InterfaceType ETypeLayoutInterface::Type   MaterialShared.h

Functions

Public

Name Remarks Include Path Unreal Specifiers

uint32 AddDefaultParameterValue ( const UE::Shader::FValue& Value
)

   MaterialShared.h  

void AddNumericParameterEvaluation ( uint32 ParameterIndex,
uint32 BufferOffset
)

 Adds a new direct parameter evaluation for parameter with specified index (returned by FindOrAddNumericParameter) BufferOffset is the location in the uniform buffer in which to evaluate the parameter (in multiple of float components). MaterialShared.h  

int32 AddVTLayer ( int32 StackIndex,
int32 TextureIndex
)

   MaterialShared.h  

int32 AddVTStack ( int32 InPreallocatedStackTextureIndex
)

   MaterialShared.h  

uint32 AllocateFromUniformBuffer ( uint32 NumOfFloat4s
)

 Allocates the specified number of float4s in the uniform buffer and returns the index of the first newly allocated float4 in the buffer. MaterialShared.h  

void CountTextureCollections ( uint32& BindlessCollections,
uint32& VirtualCollections
) const

   MaterialShared.h  

FShaderParametersMetadata * CreateBufferStruct()

   MaterialShared.h  

void FillUniformBuffer ( const FMaterialRenderContext& MaterialRenderContext,
TConstArrayView< IAllocatedVirtualTexture* > AllocatedVTs,
const FRHIUniformBufferLayout* UniformBufferLayout,
uint8* TempBuffer,
int TempBufferSize
) const

   MaterialShared.h  

void FillUniformBuffer ( const FMaterialRenderContext& MaterialRenderContext,
const FUniformExpressionCache& UniformExpressionCache,
const FRHIUniformBufferLayout* UniformBufferLayout,
uint8* TempBuffer,
int TempBufferSize
) const

   MaterialShared.h  

int32 FindOrAddExternalTextureParameter ( const FMaterialExternalTextureParameterInfo& Info
)

   MaterialShared.h  

int32 FindOrAddNumericParameter ( EMaterialParameterType Type,
const FMaterialParameterInfo& ParameterInfo,
uint32 DefaultValueOffset
)

   MaterialShared.h  

int32 FindOrAddTextureCollectionParameter ( const FMaterialTextureCollectionParameterInfo& Info
)

   MaterialShared.h  

int32 FindOrAddTextureParameter ( EMaterialTextureParameterType Type,
const FMaterialTextureParameterInfo& Info
)

   MaterialShared.h  

const uint8 * GetDefaultParameterData ( uint32 Offset
) const

   MaterialShared.h  

UE::Shader::FValue GetDefaultParameterValue ( EMaterialParameterType Type,
uint32 Offset
) const

   MaterialShared.h  

void GetGameThreadTextureCollectionValue ( int32 Index,
const UMaterialInterface* MaterialInterface,
const FMaterial& Material,
UTextureCollection*& OutValue
) const

   MaterialShared.h  

void GetGameThreadTextureValue ( EMaterialTextureParameterType Type,
int32 Index,
const UMaterialInterface* MaterialInterface,
const FMaterial& Material,
UTexture*& OutValue,
bool bAllowOverride
) const

   MaterialShared.h  

TConstArrayView< FMaterialCacheTagStack > GetMaterialCacheTagStacks()

   MaterialShared.h  

const FMaterialNumericParameterInfo & GetNumericParameter ( uint32 Index
) const

   MaterialShared.h  

uint32 GetNumericParameterEvaluationOffset ( uint32 ParameterIndex
) const

 Returns the offset of specified parameter given with AddNumericParameterEvaluation. MaterialShared.h  

int32 GetNumTextureCollections()

   MaterialShared.h  

int32 GetNumTextures ( EMaterialTextureParameterType Type
) const

   MaterialShared.h  

uint32 GetReferencedTexture2DRHIHash ( const FMaterialRenderContext& MaterialRenderContext
) const

 Get a combined hash of all referenced Texture2D's underlying RHI textures, going through TextureReferences. Can be used to tell if any texture has gone through texture streaming mip changes recently. MaterialShared.h  

FString GetSummaryString()

   MaterialShared.h  

const FMaterialTextureCollectionParameterInfo & GetTextureCollectionParameter ( int32 Index
) const

   MaterialShared.h  

void GetTextureCollectionValue ( int32 Index,
const FMaterialRenderContext& Context,
const FMaterial& Material,
const UTextureCollection*& OutValue
) const

   MaterialShared.h  

const FMaterialTextureParameterInfo & GetTextureParameter ( EMaterialTextureParameterType Type,
int32 Index
) const

   MaterialShared.h  

void GetTextureValue ( int32 Index,
const FMaterialRenderContext& Context,
const FMaterial& Material,
const URuntimeVirtualTexture*& OutValue
) const

   MaterialShared.h  

void GetTextureValue ( int32 Index,
const FMaterialRenderContext& Context,
const FMaterial& Material,
const USparseVolumeTexture*& OutValue
) const

   MaterialShared.h  

void GetTextureValue ( EMaterialTextureParameterType Type,
int32 Index,
const FMaterialRenderContext& Context,
const FMaterial& Material,
const UTexture*& OutValue
) const

   MaterialShared.h  

const FTypeLayoutDesc & GetTypeLayout()

   MaterialShared.h  

const FRHIUniformBufferLayoutInitializer & GetUniformBufferLayoutInitializer()

   MaterialShared.h  

const FMaterialVirtualTextureStack & GetVTStack ( int32 Index
) const

   MaterialShared.h  

TConstArrayView< FMaterialVirtualTextureStack > GetVTStacks()

   MaterialShared.h  

bool HasExternalTextureExpressions()

   MaterialShared.h  

bool IsEmpty()

   MaterialShared.h  

void SetParameterCollections ( TConstArrayView< const class UMaterialParameterCollection* > Collections
)

   MaterialShared.h  

void SetVTLayer ( int32 StackIndex,
int32 VTLayerIndex,
int32 TextureIndex
)

   MaterialShared.h  

void WriteUniformPreshaderEntry ( uint32 BufferOffset,
UE::Shader::EValueType EntryType,
const TFunction< void(UE::Shader::FPreshaderData&)>& EntryGenerator
)

 Writes a new uniform preshader entry. MaterialShared.h  

Protected

Name Remarks Include Path Unreal Specifiers

FVTPackedStackAndLayerIndex GetVTStackAndLayerIndex ( int32 UniformExpressionIndex
) const

   MaterialShared.h  

Static

Name Remarks Include Path Unreal Specifiers

static void InternalDestroy ( void* Object,
const FTypeLayoutDesc&,
const FPointerTableBase* PtrTable,
bool bIsFrozen
)

   MaterialShared.h  

static void InternalInitializeBases ( FTypeLayoutDesc& TypeDesc
)

   MaterialShared.h  

static FTypeLayoutDesc & StaticGetTypeLayout()

   MaterialShared.h  

Operators

Name Remarks Include Path Unreal Specifiers

bool operator== ( const FUniformExpressionSet& ReferenceSet
) const

   MaterialShared.h  

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