FMaterialCompilationOutput | Unreal Engine 4.27 Documentation

Unreal Engine C++ API Reference > Runtime > Engine

References


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

Syntax

class FMaterialCompilationOutput

Remarks

Stores outputs from the material compile that need to be saved.

Variables

Type	Name	Description
uint8: 1	bHasRuntimeVirtualTextureOutputNode	True if the material writes to a runtime virtual texture custom output node.
uint8: 1	bModifiesMeshPosition	True if the material modifies the the mesh position.
uint8: 1	bNeedsSceneTextures	True if the material needs the scene texture lookups.
uint8: 1	bUsesAnisotropy	True if the material uses non 0 anisotropy value
uint8: 1	bUsesDBufferTextureLookup	True if the material uses DBuffer texture lookups.
uint8: 1	bUsesDisplacement	Whether the material uses scalar displacement.
uint8: 1	bUsesDistanceCullFade	True if the material uses distance cull fade
uint8: 1	bUsesEyeAdaptation	True if the material uses the EyeAdaptationLookup
uint8: 1	bUsesGlobalDistanceField	True if material uses the global distance field
uint8: 1	bUsesPerInstanceCustomData	True if the material uses per-instance custom data
uint8: 1	bUsesPerInstanceRandom	True if the material uses per-instance random
uint8: 1	bUsesPixelDepthOffset	True if the material writes a pixel depth offset
uint8: 1	bUsesVertexInterpolator	True if the material uses vertex interpolator
uint8: 1	bUsesWorldPositionOffset	Whether the material uses world position offset.
uint16[(int) ELWCFunctionKind::Max]	EstimatedLWCFuncUsages	Estimate of the number of times each LWC operator occurs in the material shader code
uint16	EstimatedNumTextureSamplesPS
uint16	EstimatedNumTextureSamplesVS	Number of times SampleTexture is called, excludes custom nodes.
uint16	EstimatedNumVirtualTextureLookups	Number of virtual texture lookups performed, excludes direct invocation in shaders (for example VT lightmaps)
uint8	NumUsedCustomInterpolatorScalars	Number of used custom vertex interpolation scalars.
uint8	NumUsedUVScalars	Number of used custom UV scalars.
uint8	RuntimeVirtualTextureOutputAttributeMask	Bitfield of runtime virtual texture output attributes.
FStrataMaterialCompilationOutput	StrataMaterialCompilationOutput	The Strata material layout
FUniformExpressionSet	UniformExpressionSet
uint8	UsedDBufferTextures	Bitfield of used DBuffer textures .
uint8	UsedPathTracingBufferTextures	Bitfield of the EPathTracingBufferTextureId used
uint32	UsedSceneTextures	Bitfield of the ESceneTextures used

Constructors

	Type	Name	Description
		FMaterialCompilationOutput ()

Functions

Type	Name	Description
const FTypeLayoutDesc &	GetTypeLayout ()
bool	IsSceneTextureUsed ( ESceneTextureId TexId )
bool	NeedsGBuffer ()	True if the material uses any GBuffer textures
bool	RequiresSceneColorCopy ()	Indicates whether the material uses scene color.
void	SetIsDBufferTextureLookupUsed ( bool bValue )
void	SetIsDBufferTextureUsed ( int32 TextureIndex )
void	SetIsPathTracingBufferTextureUsed ( int32 TexId )
void	SetIsSceneTextureUsed ( ESceneTextureId TexId )
FTypeLayoutDesc &	StaticGetTypeLayout ()
bool	UsesSceneDepthLookup ()	True if the material uses the SceneDepth lookup
bool	UsesVelocitySceneTexture ()	True if the material uses the Velocity SceneTexture lookup