FDistanceFieldSceneData Class Reference

#include <ScenePrivate.h>

Public Member Functions
	FDistanceFieldSceneData (FDistanceFieldSceneData &&)
	FDistanceFieldSceneData (EShaderPlatform ShaderPlatform)
	~FDistanceFieldSceneData ()
void	AddPrimitive (FPrimitiveSceneInfo *InPrimitive)
void	UpdatePrimitive (FPrimitiveSceneInfo *InPrimitive)
void	RemovePrimitive (FPrimitiveSceneInfo *InPrimitive)
void	Release ()
void	VerifyIntegrity ()
void	ListMeshDistanceFields (bool bDumpAssetStats) const
void	UpdateDistanceFieldObjectBuffers (FRDGBuilder &GraphBuilder, FRDGExternalAccessQueue &ExternalAccessQueue, FScene *Scene, TArray< FDistanceFieldAssetMipId > &DistanceFieldAssetAdds, TArray< FSetElementId > &DistanceFieldAssetRemoves)
void	UpdateDistanceFieldAtlas (FRDGBuilder &GraphBuilder, FRDGExternalAccessQueue &ExternalAccessQueue, const FSceneRenderUpdateInputs &SceneUpdateInputs, TArray< FDistanceFieldAssetMipId > &DistanceFieldAssetAdds, TArray< FSetElementId > &DistanceFieldAssetRemoves)
bool	HasPendingUploads () const
bool	HasPendingOperations () const
bool	HasPendingHeightFieldOperations () const
bool	HasPendingRemovePrimitive (const FPrimitiveSceneInfo *Primitive) const
bool	HasPendingStreaming () const
bool	CanUse16BitObjectIndices () const
const FDistanceFieldObjectBuffers *	GetCurrentObjectBuffers () const
const FDistanceFieldObjectBuffers *	GetHeightFieldObjectBuffers () const

Public Attributes
int32	NumObjectsInBuffer
FDistanceFieldObjectBuffers *	ObjectBuffers
FDistanceFieldObjectBuffers *	HeightFieldObjectBuffers
FRDGScatterUploadBuffer	UploadHeightFieldDataBuffer
FRDGScatterUploadBuffer	UploadHeightFieldBoundsBuffer
FRDGScatterUploadBuffer	UploadDistanceFieldDataBuffer
FRDGScatterUploadBuffer	UploadDistanceFieldBoundsBuffer
TArray< int32 >	IndicesToUpdateInObjectBuffers
TSet< int32 >	IndicesToUpdateInObjectBuffersSet
TSparseSet< FDistanceFieldAssetState, TFDistanceFieldAssetStateFuncs >	AssetStateArray
TRefCountPtr< FRDGPooledBuffer >	AssetDataBuffer
FRDGScatterUploadBuffer	AssetDataUploadBuffer
TArray< FRHIGPUBufferReadback * >	StreamingRequestReadbackBuffers
uint32	MaxStreamingReadbackBuffers = 4
uint32	ReadbackBuffersWriteIndex = 0
uint32	ReadbackBuffersNumPending = 0
FGrowOnlySpanAllocator	IndirectionTableAllocator
TRefCountPtr< FRDGPooledBuffer >	IndirectionTable
FRDGAsyncScatterUploadBuffer	IndirectionTableUploadBuffer
TRefCountPtr< IPooledRenderTarget >	IndirectionAtlas
FTextureLayout3d	IndirectionAtlasLayout
FReadBuffer	IndirectionUploadIndicesBuffer
FReadBuffer	IndirectionUploadDataBuffer
FDistanceFieldBlockAllocator	DistanceFieldAtlasBlockAllocator
TRefCountPtr< IPooledRenderTarget >	DistanceFieldBrickVolumeTexture
FIntVector	BrickTextureDimensionsInBricks
FReadBuffer	BrickUploadCoordinatesBuffer
FReadBuffer	BrickUploadDataBuffer
TArray< FDistanceFieldReadRequest >	ReadRequests
TArray< FPrimitiveAndInstance >	PrimitiveInstanceMapping
TArray< FPrimitiveSceneInfo * >	HeightfieldPrimitives
TSet< FPrimitiveSceneInfo * >	PendingAddOperations
TSet< FPrimitiveSceneInfo * >	PendingUpdateOperations
TArray< FPrimitiveRemoveInfo >	PendingRemoveOperations
TArray< FBox >	PrimitiveModifiedBounds [GDF_Num]
TSet< FPrimitiveSceneInfo * >	PendingHeightFieldAddOps
TArray< FHeightFieldPrimitiveRemoveInfo >	PendingHeightFieldRemoveOps
int32	HeightFieldAtlasGeneration
int32	HFVisibilityAtlasGenerattion
bool	bTrackAllPrimitives
bool	bCanUse16BitObjectIndices

Friends
class	FDistanceFieldStreamingUpdateTask

Detailed Description

Scene data used to manage distance field object buffers on the GPU.

Constructor & Destructor Documentation

FDistanceFieldSceneData() [1/2]

FDistanceFieldSceneData::FDistanceFieldSceneData ( FDistanceFieldSceneData &&  )

default

FDistanceFieldSceneData() [2/2]

FDistanceFieldSceneData::FDistanceFieldSceneData

(

EShaderPlatform

ShaderPlatform

)

~FDistanceFieldSceneData()

FDistanceFieldSceneData::~FDistanceFieldSceneData

(

)

Member Function Documentation

AddPrimitive()

void FDistanceFieldSceneData::AddPrimitive

(

FPrimitiveSceneInfo *

InPrimitive

)

CanUse16BitObjectIndices()

bool FDistanceFieldSceneData::CanUse16BitObjectIndices ( ) const

inline

GetCurrentObjectBuffers()

const FDistanceFieldObjectBuffers * FDistanceFieldSceneData::GetCurrentObjectBuffers ( ) const

inline

GetHeightFieldObjectBuffers()

const FDistanceFieldObjectBuffers * FDistanceFieldSceneData::GetHeightFieldObjectBuffers ( ) const

inline

HasPendingHeightFieldOperations()

bool FDistanceFieldSceneData::HasPendingHeightFieldOperations ( ) const

inline

HasPendingOperations()

bool FDistanceFieldSceneData::HasPendingOperations ( ) const

inline

HasPendingRemovePrimitive()

bool FDistanceFieldSceneData::HasPendingRemovePrimitive ( const FPrimitiveSceneInfo *  Primitive ) const

inline

HasPendingStreaming()

bool FDistanceFieldSceneData::HasPendingStreaming ( ) const

inline

HasPendingUploads()

bool FDistanceFieldSceneData::HasPendingUploads ( ) const

inline

ListMeshDistanceFields()

void FDistanceFieldSceneData::ListMeshDistanceFields

(

bool

bDumpAssetStats

)

const

Release()

void FDistanceFieldSceneData::Release

(

)

RemovePrimitive()

void FDistanceFieldSceneData::RemovePrimitive

(

FPrimitiveSceneInfo *

InPrimitive

)

UpdateDistanceFieldAtlas()

void FDistanceFieldSceneData::UpdateDistanceFieldAtlas	(	FRDGBuilder &	GraphBuilder,
		FRDGExternalAccessQueue &	ExternalAccessQueue,
		const FSceneRenderUpdateInputs &	SceneUpdateInputs,
		TArray< FDistanceFieldAssetMipId > &	DistanceFieldAssetAdds,
		TArray< FSetElementId > &	DistanceFieldAssetRemoves
	)

UpdateDistanceFieldObjectBuffers()

void FDistanceFieldSceneData::UpdateDistanceFieldObjectBuffers	(	FRDGBuilder &	GraphBuilder,
		FRDGExternalAccessQueue &	ExternalAccessQueue,
		FScene *	Scene,
		TArray< FDistanceFieldAssetMipId > &	DistanceFieldAssetAdds,
		TArray< FSetElementId > &	DistanceFieldAssetRemoves
	)

UpdatePrimitive()

void FDistanceFieldSceneData::UpdatePrimitive

(

FPrimitiveSceneInfo *

InPrimitive

)

VerifyIntegrity()

void FDistanceFieldSceneData::VerifyIntegrity

(

)

Friends And Related Symbol Documentation

FDistanceFieldStreamingUpdateTask

friend class FDistanceFieldStreamingUpdateTask

friend

Member Data Documentation

AssetDataBuffer

TRefCountPtr<FRDGPooledBuffer> FDistanceFieldSceneData::AssetDataBuffer

AssetDataUploadBuffer

FRDGScatterUploadBuffer FDistanceFieldSceneData::AssetDataUploadBuffer

AssetStateArray

TSparseSet<FDistanceFieldAssetState, TFDistanceFieldAssetStateFuncs> FDistanceFieldSceneData::AssetStateArray

bCanUse16BitObjectIndices

bool FDistanceFieldSceneData::bCanUse16BitObjectIndices

BrickTextureDimensionsInBricks

FIntVector FDistanceFieldSceneData::BrickTextureDimensionsInBricks

BrickUploadCoordinatesBuffer

FReadBuffer FDistanceFieldSceneData::BrickUploadCoordinatesBuffer

BrickUploadDataBuffer

FReadBuffer FDistanceFieldSceneData::BrickUploadDataBuffer

bTrackAllPrimitives

bool FDistanceFieldSceneData::bTrackAllPrimitives

DistanceFieldAtlasBlockAllocator

FDistanceFieldBlockAllocator FDistanceFieldSceneData::DistanceFieldAtlasBlockAllocator

DistanceFieldBrickVolumeTexture

TRefCountPtr<IPooledRenderTarget> FDistanceFieldSceneData::DistanceFieldBrickVolumeTexture

HeightFieldAtlasGeneration

int32 FDistanceFieldSceneData::HeightFieldAtlasGeneration

HeightFieldObjectBuffers

FDistanceFieldObjectBuffers* FDistanceFieldSceneData::HeightFieldObjectBuffers

HeightfieldPrimitives

TArray<FPrimitiveSceneInfo*> FDistanceFieldSceneData::HeightfieldPrimitives

HFVisibilityAtlasGenerattion

int32 FDistanceFieldSceneData::HFVisibilityAtlasGenerattion

IndicesToUpdateInObjectBuffers

TArray<int32> FDistanceFieldSceneData::IndicesToUpdateInObjectBuffers

IndicesToUpdateInObjectBuffersSet

TSet<int32> FDistanceFieldSceneData::IndicesToUpdateInObjectBuffersSet

IndirectionAtlas

TRefCountPtr<IPooledRenderTarget> FDistanceFieldSceneData::IndirectionAtlas

IndirectionAtlasLayout

FTextureLayout3d FDistanceFieldSceneData::IndirectionAtlasLayout

IndirectionTable

TRefCountPtr<FRDGPooledBuffer> FDistanceFieldSceneData::IndirectionTable

IndirectionTableAllocator

FGrowOnlySpanAllocator FDistanceFieldSceneData::IndirectionTableAllocator

IndirectionTableUploadBuffer

FRDGAsyncScatterUploadBuffer FDistanceFieldSceneData::IndirectionTableUploadBuffer

IndirectionUploadDataBuffer

FReadBuffer FDistanceFieldSceneData::IndirectionUploadDataBuffer

IndirectionUploadIndicesBuffer

FReadBuffer FDistanceFieldSceneData::IndirectionUploadIndicesBuffer

MaxStreamingReadbackBuffers

uint32 FDistanceFieldSceneData::MaxStreamingReadbackBuffers = 4

NumObjectsInBuffer

int32 FDistanceFieldSceneData::NumObjectsInBuffer

ObjectBuffers

FDistanceFieldObjectBuffers* FDistanceFieldSceneData::ObjectBuffers

PendingAddOperations

TSet<FPrimitiveSceneInfo*> FDistanceFieldSceneData::PendingAddOperations

Pending operations on the object buffers to be processed next frame.

PendingHeightFieldAddOps

TSet<FPrimitiveSceneInfo*> FDistanceFieldSceneData::PendingHeightFieldAddOps

PendingHeightFieldRemoveOps

TArray<FHeightFieldPrimitiveRemoveInfo> FDistanceFieldSceneData::PendingHeightFieldRemoveOps

PendingRemoveOperations

TArray<FPrimitiveRemoveInfo> FDistanceFieldSceneData::PendingRemoveOperations

PendingUpdateOperations

TSet<FPrimitiveSceneInfo*> FDistanceFieldSceneData::PendingUpdateOperations

PrimitiveInstanceMapping

TArray<FPrimitiveAndInstance> FDistanceFieldSceneData::PrimitiveInstanceMapping

Stores the primitive and instance index of every entry in the object buffer.

PrimitiveModifiedBounds

TArray<FBox> FDistanceFieldSceneData::PrimitiveModifiedBounds[GDF_Num]

ReadbackBuffersNumPending

uint32 FDistanceFieldSceneData::ReadbackBuffersNumPending = 0

ReadbackBuffersWriteIndex

uint32 FDistanceFieldSceneData::ReadbackBuffersWriteIndex = 0

ReadRequests

TArray<FDistanceFieldReadRequest> FDistanceFieldSceneData::ReadRequests

StreamingRequestReadbackBuffers

TArray<FRHIGPUBufferReadback*> FDistanceFieldSceneData::StreamingRequestReadbackBuffers

UploadDistanceFieldBoundsBuffer

FRDGScatterUploadBuffer FDistanceFieldSceneData::UploadDistanceFieldBoundsBuffer

UploadDistanceFieldDataBuffer

FRDGScatterUploadBuffer FDistanceFieldSceneData::UploadDistanceFieldDataBuffer

UploadHeightFieldBoundsBuffer

FRDGScatterUploadBuffer FDistanceFieldSceneData::UploadHeightFieldBoundsBuffer

UploadHeightFieldDataBuffer

FRDGScatterUploadBuffer FDistanceFieldSceneData::UploadHeightFieldDataBuffer

---

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

• Engine/Source/Runtime/Renderer/Private/ScenePrivate.h
• Engine/Source/Runtime/Renderer/Private/DistanceFieldObjectManagement.cpp
• Engine/Source/Runtime/Renderer/Private/DistanceFieldStreaming.cpp
• Engine/Source/Runtime/Renderer/Private/RendererScene.cpp