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  3. FUniformExpressionSet

FUniformExpressionSet

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

Unreal Engine C++ API Reference > Runtime > Engine

References

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

Syntax

class FUniformExpressionSet

Remarks

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

Variables

  Type Name Description
Protected variable TMemoryImageArray< uint8 > DefaultValues  
Protected variable TMemoryImageArray< FGuid > ParameterCollections Ids of parameter collections referenced by the material that was translated.
Protected variable FRHIUniformBufferLayoutInitializer UniformBufferLayoutInitializer  
Protected variable TMemoryImageArray< FMaterialExternalTextureParameterInfo > UniformExternalTextureParameters  
Protected variable TMemoryImageArray< FMaterialNumericParameterInfo > UniformNumericParameters  
Protected variable uint32 UniformPreshaderBufferSize  
Protected variable UE::Shader::FPreshaderData UniformPreshaderData  
Protected variable TMemoryImageArray< FMaterialUniformPreshaderField > UniformPreshaderFields  
Protected variable TMemoryImageArray< FMaterialUniformPreshaderHeader > UniformPreshaders  
Protected variable TMemoryImageArray< FMaterialTextureParameterInfo >[NumMaterialTextureParameterTypes] UniformTextureParameters  
Protected variable TMemoryImageArray< FMaterialVirtualTextureStack > VTStacks Virtual texture stacks found during compilation

Constructors

  Type Name Description
Public function    

Functions

  Type Name Description
Public function uint32  
Public function int32

AddVTLayer ( int32 StackIndex,
int32 TextureIndex
)

  
Public function int32

AddVTStack ( int32 InPreallocatedStackTextureIndex
)

  
Public function FShaderParametersMetadata *  
Public function Const void

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

  
Public function Const void

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

  
Public function int32  
Public function int32

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

  
Public function int32

FindOrAddTextureParameter ( EMaterialTextureParameterType Type,
const FMaterialTextureParameterInfo& Info
)

  
Public function Const const uint8 *

GetDefaultParameterData ( uint32 Offset
)

  
Public function Const UE::Shader::FValue

GetDefaultParameterValue ( EMaterialParameterType Type,
uint32 Offset
)

  
Public function Const void

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

  
Public function Const const FMaterialNumericParameterInfo &

GetNumericParameter ( uint32 Index
)

  
Public function Const int32

GetNumTextures ( EMaterialTextureParameterType Type
)

  
Public function Const uint32

GetReferencedTexture2DRHIHash ( const FMaterialRenderContext& MaterialRenderContext
)

 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.
Public function Const FString  
Public function Const const FMaterialTextureParameterInfo &

GetTextureParameter ( EMaterialTextureParameterType Type,
int32 Index
)

  
Public function Const void

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

  
Public function Const void

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

  
Public function Const void

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

  
Public function Const const FTypeLayoutDesc &  
Public function Const const FRHIUniformBufferLayoutInitializer &  
Public function Const const FMaterialVirtualTextureStack &

GetVTStack ( int32 Index
)

  
Protected function Const FVTPackedStackAndLayerIndex

GetVTStackAndLayerIndex ( int32 UniformExpressionIndex
)

  
Public function Const TConstArrayView< FMaterialVirtualTextureStack >  
Public function Const bool  
Public function Const bool

IsEmpty ()

  
Public function void  
Public function Static FTypeLayoutDesc &  

Operators

  Type Name Description
Public function Const bool

operator== ( const FUniformExpressionSet& ReferenceSet
)

  

Classes

  Type Name Description
Protected struct FVTPackedStackAndLayerIndex    
Public struct InternalLinkType    
Protected struct InternalLinkType< COUNTER-CounterBase >    

Typedefs

Name Description
DerivedType  
InternalBaseType  

Constants

Name Description
CounterBase  
InterfaceType  

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