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> Unreal Engine API Reference > Runtime > Engine > FPrecomputedVolumetricLightmapData

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FPrecomputedVolumetricLightmapData

Data for a Volumetric Lightmap, built during import from Lightmass.

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Inheritance Hierarchy

FRenderResource

FPrecomputedVolumetricLightmapData

References

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

Syntax

class FPrecomputedVolumetricLightmapData : public FRenderResource

Remarks

Data for a Volumetric Lightmap, built during import from Lightmass. Its lifetime is managed by UMapBuildDataRegistry.

Variables

	Name	Description
FBox	Bounds
FVolumetricLigh...	BrickData
int32	BrickDataBaseOffsetInAtlas
FIntVector	BrickDataDimensions
int32	BrickSize
bool	bTransient
TArray< FPrecom...	CPUSubLevelBrickDataList
TArray< uint8 >	CPUSubLevelIndirectionTable	CPU indirection table for mobile path.
FVolumetricLigh...	IndirectionTexture
FIntVector	IndirectionTextureDimensions
TResourceArray<...	IndirectionTextureOriginalValues
FVertexBufferRH...	IndirectionTextureOriginalValuesBuffer
FShaderResource...	IndirectionTextureOriginalValuesSRV
TArray< FPrecom...	SceneDataAdded
TResourceArray<...	SubLevelBrickPositions	Brick positions in the persistent level's indirection texture.
FVertexBufferRH...	SubLevelBrickPositionsBuffer	Runtime data for sub level streaming
FShaderResource...	SubLevelBrickPositionsSRV

Constructors

	Name	Description
	FPrecomputedVolumetricLightmapData()

Destructors

	Name	Description
	~FPrecomputedVolumetricLightmapData()

Functions

		Name	Description
	void	AddToSceneData ( FPrecomputedVolumetricLightmapData ... )
	void	FinalizeImport()
	SIZE_T	GetAllocatedBytes()
	const FBox &	GetBounds()
	void	HandleDataMovementInAtlas ( int32 OldOffset, int32 NewOffset )
	void	InitializeOnImport ( const FBox& NewBounds, int32 InBrickSize )
	void	InitRHIForSubLevelResources()
	void	ReleaseRHIForSubLevelResources()
	void	RemoveFromSceneData ( FPrecomputedVolumetricLightmapData ..., int32 PersistentLevelBrickDataBaseO... )

Overridden from FRenderResource

		Name	Description
	void	InitRHI()	Initializes the RHI resources used by this resource.
	void	ReleaseRHI()	Releases the RHI resources used by this resource.

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