DistanceFieldStreaming.cpp File Reference

#include "CoreMinimal.h"
#include "DataDrivenShaderPlatformInfo.h"
#include "Stats/Stats.h"
#include "HAL/IConsoleManager.h"
#include "IO/IoDispatcher.h"
#include "Async/ParallelFor.h"
#include "RHI.h"
#include "RenderResource.h"
#include "ShaderParameters.h"
#include "RendererInterface.h"
#include "Shader.h"
#include "SceneUtils.h"
#include "GlobalShader.h"
#include "DeferredShadingRenderer.h"
#include "ScenePrivate.h"
#include "DistanceFieldAtlas.h"
#include "DistanceFieldLightingShared.h"
#include "DistanceFieldAmbientOcclusion.h"
#include "GlobalDistanceField.h"
#include "ProfilingDebugging/IoStoreTrace.h"

Classes
class	FCopyDistanceFieldAtlasCS
class	FScatterUploadDistanceFieldAtlasCS
class	FScatterUploadDistanceFieldIndirectionAtlasCS
class	FCopyDistanceFieldIndirectionAtlasCS
class	FComputeDistanceFieldAssetWantedMipsCS
class	FGenerateDistanceFieldAssetStreamingRequestsCS
class	FDistanceFieldAtlasUpload
class	FDistanceFieldIndirectionAtlasUpload
struct	FDistanceFieldReadRequest
struct	FDistanceFieldAsyncUpdateParameters

Functions
	CSV_DEFINE_CATEGORY (DistanceField, true)
	IMPLEMENT_GLOBAL_SHADER (FCopyDistanceFieldAtlasCS, "/Engine/Private/DistanceFieldStreaming.usf", "CopyDistanceFieldAtlasCS", SF_Compute)
	IMPLEMENT_GLOBAL_SHADER (FScatterUploadDistanceFieldAtlasCS, "/Engine/Private/DistanceFieldStreaming.usf", "ScatterUploadDistanceFieldAtlasCS", SF_Compute)
	IMPLEMENT_GLOBAL_SHADER (FScatterUploadDistanceFieldIndirectionAtlasCS, "/Engine/Private/DistanceFieldStreaming.usf", "ScatterUploadDistanceFieldIndirectionAtlasCS", SF_Compute)
	IMPLEMENT_GLOBAL_SHADER (FCopyDistanceFieldIndirectionAtlasCS, "/Engine/Private/DistanceFieldStreaming.usf", "CopyDistanceFieldIndirectionAtlasCS", SF_Compute)
	IMPLEMENT_GLOBAL_SHADER (FComputeDistanceFieldAssetWantedMipsCS, "/Engine/Private/DistanceFieldStreaming.usf", "ComputeDistanceFieldAssetWantedMipsCS", SF_Compute)
	IMPLEMENT_GLOBAL_SHADER (FGenerateDistanceFieldAssetStreamingRequestsCS, "/Engine/Private/DistanceFieldStreaming.usf", "GenerateDistanceFieldAssetStreamingRequestsCS", SF_Compute)
FIntVector	GetBrickCoordinate (int32 BrickIndex, FIntVector BrickAtlasSize)
bool	AssetHasOutstandingRequest (FSetElementId AssetSetId, const TArray< FDistanceFieldReadRequest > &ReadRequests)
void	EncodeAssetData (const FDistanceFieldAssetState &AssetState, const int32 ReversedMipIndex, FVector4f *OutAssetData)

Variables
int32	GDFReverseAtlasAllocationOrder
int32	GDistanceFieldOffsetDataStructure = 0
const int32	AssetDataMipStrideFloat4s = 3

Function Documentation

AssetHasOutstandingRequest()

bool AssetHasOutstandingRequest	(	FSetElementId	AssetSetId,
		const TArray< FDistanceFieldReadRequest > &	ReadRequests
	)

CSV_DEFINE_CATEGORY()

CSV_DEFINE_CATEGORY	(	DistanceField	,
		true
	)

EncodeAssetData()

void EncodeAssetData	(	const FDistanceFieldAssetState &	AssetState,
		const int32	ReversedMipIndex,
		FVector4f *	OutAssetData
	)

GetBrickCoordinate()

FIntVector GetBrickCoordinate	(	int32	BrickIndex,
		FIntVector	BrickAtlasSize
	)

IMPLEMENT_GLOBAL_SHADER() [1/6]

IMPLEMENT_GLOBAL_SHADER	(	FComputeDistanceFieldAssetWantedMipsCS	,
		"/Engine/Private/DistanceFieldStreaming.usf"	,
		"ComputeDistanceFieldAssetWantedMipsCS"	,
		SF_Compute
	)

IMPLEMENT_GLOBAL_SHADER() [2/6]

IMPLEMENT_GLOBAL_SHADER	(	FCopyDistanceFieldAtlasCS	,
		"/Engine/Private/DistanceFieldStreaming.usf"	,
		"CopyDistanceFieldAtlasCS"	,
		SF_Compute
	)

IMPLEMENT_GLOBAL_SHADER() [3/6]

IMPLEMENT_GLOBAL_SHADER	(	FCopyDistanceFieldIndirectionAtlasCS	,
		"/Engine/Private/DistanceFieldStreaming.usf"	,
		"CopyDistanceFieldIndirectionAtlasCS"	,
		SF_Compute
	)

IMPLEMENT_GLOBAL_SHADER() [4/6]

IMPLEMENT_GLOBAL_SHADER	(	FGenerateDistanceFieldAssetStreamingRequestsCS	,
		"/Engine/Private/DistanceFieldStreaming.usf"	,
		"GenerateDistanceFieldAssetStreamingRequestsCS"	,
		SF_Compute
	)

IMPLEMENT_GLOBAL_SHADER() [5/6]

IMPLEMENT_GLOBAL_SHADER	(	FScatterUploadDistanceFieldAtlasCS	,
		"/Engine/Private/DistanceFieldStreaming.usf"	,
		"ScatterUploadDistanceFieldAtlasCS"	,
		SF_Compute
	)

IMPLEMENT_GLOBAL_SHADER() [6/6]

IMPLEMENT_GLOBAL_SHADER	(	FScatterUploadDistanceFieldIndirectionAtlasCS	,
		"/Engine/Private/DistanceFieldStreaming.usf"	,
		"ScatterUploadDistanceFieldIndirectionAtlasCS"	,
		SF_Compute
	)

Variable Documentation

AssetDataMipStrideFloat4s

const int32 AssetDataMipStrideFloat4s = 3

GDFReverseAtlasAllocationOrder

int32 GDFReverseAtlasAllocationOrder

extern

GDistanceFieldOffsetDataStructure

int32 GDistanceFieldOffsetDataStructure = 0