LumenScreenProbeGather.h File Reference

#include "CoreTypes.h"
#include "BlueNoise.h"
#include "LumenTracingUtils.h"
#include "ShaderParameterMacros.h"

Go to the source code of this file.

Namespaces
namespace	Lumen
namespace	LumenRadianceCache
namespace	LumenScreenProbeGather
namespace	LumenScreenProbeGatherRadianceCache

Enumerations
enum class	EScreenProbeIrradianceFormat : uint8 { SH3 , Octahedral , MAX }
enum class	EScreenProbeIndirectArgs {   GroupPerProbe , ThreadPerProbe , TraceCompaction , ThreadPerTrace ,   ThreadPerGather , ThreadPerGatherWithBorder , Max }
enum class	EScreenProbeIntegrateTileClassification { SimpleDiffuse , SupportImportanceSampleBRDF , SupportAll , Num }

Functions
int32	LumenScreenProbeGather::GetTracingOctahedronResolution (const FViewInfo &View)
int32	LumenScreenProbeGather::IsProbeTracingResolutionSupportedForImportanceSampling (int32 TracingResolution)
bool	LumenScreenProbeGather::UseImportanceSampling (const FViewInfo &View)
bool	LumenScreenProbeGather::UseProbeSpatialFilter ()
bool	LumenScreenProbeGather::UseProbeTemporalFilter ()
bool	LumenScreenProbeGather::UseRadianceCache ()
bool	LumenScreenProbeGather::UseRadianceCacheSkyVisibility ()
bool	LumenScreenProbeGather::UseRejectBasedOnNormal ()
EScreenProbeIrradianceFormat	LumenScreenProbeGather::GetScreenProbeIrradianceFormat (const FEngineShowFlags &ShowFlags)
bool	LumenScreenProbeGather::UseScreenProbeExtraAO ()
bool	LumenScreenProbeGather::UseHitLighting (const FViewInfo &View, EDiffuseIndirectMethod DiffuseIndirectMethod)
uint32	LumenScreenProbeGather::GetStateFrameIndex (const FSceneViewState *ViewState)
uint32	LumenScreenProbeGather::GetRequestedIntegrateDownsampleFactor ()
void	LumenScreenProbeGather::SetupTileClassifyParameters (const FViewInfo &View, LumenScreenProbeGather::FTileClassifyParameters &OutParameters)
bool	LumenScreenProbeGather::IsUsingDownsampledDepthAndNormal (const FViewInfo &View)
FCompactedTraceParameters	LumenScreenProbeGather::CompactTraces (FRDGBuilder &GraphBuilder, const FViewInfo &View, const FScreenProbeParameters &ScreenProbeParameters, bool bCullByDistanceFromCamera, float CompactionTracingEndDistanceFromCamera, float CompactionMaxTraceDistance, bool bCompactForSkyApply, ERDGPassFlags ComputePassFlags=ERDGPassFlags::Compute)
void	GenerateBRDF_PDF (FRDGBuilder &GraphBuilder, const FViewInfo &View, const FSceneTextures &SceneTextures, FRDGTextureRef &BRDFProbabilityDensityFunction, FRDGBufferSRVRef &BRDFProbabilityDensityFunctionSH, FScreenProbeParameters &ScreenProbeParameters, ERDGPassFlags ComputePassFlags)
void	GenerateImportanceSamplingRays (FRDGBuilder &GraphBuilder, const FViewInfo &View, const FSceneTextures &SceneTextures, const LumenRadianceCache::FRadianceCacheInterpolationParameters &RadianceCacheParameters, FRDGTextureRef BRDFProbabilityDensityFunction, FRDGBufferSRVRef BRDFProbabilityDensityFunctionSH, FScreenProbeParameters &ScreenProbeParameters, ERDGPassFlags ComputePassFlags)
void	TraceScreenProbes (FRDGBuilder &GraphBuilder, const FScene *Scene, const FViewInfo &View, const FLumenSceneFrameTemporaries &FrameTemporaries, bool bTraceMeshObjects, const FSceneTextures &SceneTextures, FRDGTextureRef LightingChannelsTexture, const LumenRadianceCache::FRadianceCacheInterpolationParameters &RadianceCacheParameters, FScreenProbeParameters &ScreenProbeParameters, FLumenMeshSDFGridParameters &MeshSDFGridParameters, ERDGPassFlags ComputePassFlags)
void	RenderHardwareRayTracingScreenProbe (FRDGBuilder &GraphBuilder, const FScene *Scene, const FSceneTextureParameters &SceneTextures, FScreenProbeParameters &CommonDiffuseParameters, const FViewInfo &View, const FLumenCardTracingParameters &TracingParameters, FLumenIndirectTracingParameters &DiffuseTracingParameters, const LumenRadianceCache::FRadianceCacheInterpolationParameters &RadianceCacheParameters, ERDGPassFlags ComputePassFlags)
void	RenderHardwareRayTracingShortRangeAO (FRDGBuilder &GraphBuilder, const FScene *Scene, const FSceneTextures &SceneTextures, const FSceneTextureParameters &SceneTextureParameters, const FLumenSceneFrameTemporaries &FrameTemporaries, const FLumenScreenSpaceBentNormalParameters &BentNormalParameters, const FBlueNoise &BlueNoise, float MaxScreenTraceFraction, const FViewInfo &View, FRDGTextureRef ShortRangeAO, uint32 NumPixelRays)
void	FilterScreenProbes (FRDGBuilder &GraphBuilder, const FViewInfo &View, const FSceneTextures &SceneTextures, const FScreenProbeParameters &ScreenProbeParameters, FScreenProbeGatherParameters &GatherParameters, ERDGPassFlags ComputePassFlags)
FLumenScreenSpaceBentNormalParameters	ComputeScreenSpaceShortRangeAO (FRDGBuilder &GraphBuilder, const FScene *Scene, const FViewInfo &View, const FLumenSceneFrameTemporaries &FrameTemporaries, const FSceneTextures &SceneTextures, FRDGTextureRef LightingChannelsTexture, const FBlueNoise &BlueNoise, FVector2f MaxScreenTraceFraction, float ScreenTraceNoFallbackThicknessScale, ERDGPassFlags ComputePassFlags)
LumenRadianceCache::FRadianceCacheInputs	LumenScreenProbeGatherRadianceCache::SetupRadianceCacheInputs (const FViewInfo &View)
bool	CanMaterialRenderInLumenTranslucencyRadianceCacheMarkPass (const FScene &Scene, const FSceneViewFamily &ViewFamily, const FPrimitiveSceneProxy &PrimitiveSceneProxy, const FMaterial &Material)
bool	CanMaterialRenderInLumenFrontLayerTranslucencyGBufferPass (const FScene &Scene, const FSceneViewFamily &ViewFamily, const FPrimitiveSceneProxy &PrimitiveSceneProxy, const FMaterial &Material)
void	LumenTranslucencyReflectionsMarkUsedProbes (FRDGBuilder &GraphBuilder, const FSceneRenderer &SceneRenderer, FViewInfo &View, const FSceneTextures &SceneTextures, const LumenRadianceCache::FRadianceCacheMarkParameters *RadianceCacheMarkParameters)

Variables
int32	GLumenScreenProbeGatherNumMips
constexpr uint32	LumenScreenProbeGather::IrradianceProbeRes = 6
constexpr uint32	LumenScreenProbeGather::IrradianceProbeWithBorderRes = (IrradianceProbeRes + 2)

Enumeration Type Documentation

EScreenProbeIndirectArgs

enum class EScreenProbeIndirectArgs

strong

Enumerator
GroupPerProbe
ThreadPerProbe
TraceCompaction
ThreadPerTrace
ThreadPerGather
ThreadPerGatherWithBorder
Max

EScreenProbeIntegrateTileClassification

enum class EScreenProbeIntegrateTileClassification

strong

Enumerator
SimpleDiffuse
SupportImportanceSampleBRDF
SupportAll
Num

EScreenProbeIrradianceFormat

enum class EScreenProbeIrradianceFormat : uint8

strong

Enumerator
SH3
Octahedral
MAX

Function Documentation

CanMaterialRenderInLumenFrontLayerTranslucencyGBufferPass()

bool CanMaterialRenderInLumenFrontLayerTranslucencyGBufferPass ( const FScene &  Scene, const FSceneViewFamily &  ViewFamily, const FPrimitiveSceneProxy &  PrimitiveSceneProxy, const FMaterial &  Material  )

extern

CanMaterialRenderInLumenTranslucencyRadianceCacheMarkPass()

bool CanMaterialRenderInLumenTranslucencyRadianceCacheMarkPass ( const FScene &  Scene, const FSceneViewFamily &  ViewFamily, const FPrimitiveSceneProxy &  PrimitiveSceneProxy, const FMaterial &  Material  )

extern

ComputeScreenSpaceShortRangeAO()

FLumenScreenSpaceBentNormalParameters ComputeScreenSpaceShortRangeAO ( FRDGBuilder &  GraphBuilder, const FScene *  Scene, const FViewInfo &  View, const FLumenSceneFrameTemporaries &  FrameTemporaries, const FSceneTextures &  SceneTextures, FRDGTextureRef  LightingChannelsTexture, const FBlueNoise &  BlueNoise, FVector2f  MaxScreenTraceFraction, float  ScreenTraceNoFallbackThicknessScale, ERDGPassFlags  ComputePassFlags  )

extern

FilterScreenProbes()

void FilterScreenProbes ( FRDGBuilder &  GraphBuilder, const FViewInfo &  View, const FSceneTextures &  SceneTextures, const FScreenProbeParameters &  ScreenProbeParameters, FScreenProbeGatherParameters &  GatherParameters, ERDGPassFlags  ComputePassFlags  )

extern

GenerateBRDF_PDF()

void GenerateBRDF_PDF ( FRDGBuilder &  GraphBuilder, const FViewInfo &  View, const FSceneTextures &  SceneTextures, FRDGTextureRef &  BRDFProbabilityDensityFunction, FRDGBufferSRVRef &  BRDFProbabilityDensityFunctionSH, FScreenProbeParameters &  ScreenProbeParameters, ERDGPassFlags  ComputePassFlags  )

extern

GenerateImportanceSamplingRays()

void GenerateImportanceSamplingRays ( FRDGBuilder &  GraphBuilder, const FViewInfo &  View, const FSceneTextures &  SceneTextures, const LumenRadianceCache::FRadianceCacheInterpolationParameters &  RadianceCacheParameters, FRDGTextureRef  BRDFProbabilityDensityFunction, FRDGBufferSRVRef  BRDFProbabilityDensityFunctionSH, FScreenProbeParameters &  ScreenProbeParameters, ERDGPassFlags  ComputePassFlags  )

extern

LumenTranslucencyReflectionsMarkUsedProbes()

void LumenTranslucencyReflectionsMarkUsedProbes ( FRDGBuilder &  GraphBuilder, const FSceneRenderer &  SceneRenderer, FViewInfo &  View, const FSceneTextures &  SceneTextures, const LumenRadianceCache::FRadianceCacheMarkParameters *  RadianceCacheMarkParameters  )

extern

RenderHardwareRayTracingScreenProbe()

void RenderHardwareRayTracingScreenProbe	(	FRDGBuilder &	GraphBuilder,
		const FScene *	Scene,
		const FSceneTextureParameters &	SceneTextures,
		FScreenProbeParameters &	CommonDiffuseParameters,
		const FViewInfo &	View,
		const FLumenCardTracingParameters &	TracingParameters,
		FLumenIndirectTracingParameters &	DiffuseTracingParameters,
		const LumenRadianceCache::FRadianceCacheInterpolationParameters &	RadianceCacheParameters,
		ERDGPassFlags	ComputePassFlags
	)

RenderHardwareRayTracingShortRangeAO()

void RenderHardwareRayTracingShortRangeAO ( FRDGBuilder &  GraphBuilder, const FScene *  Scene, const FSceneTextures &  SceneTextures, const FSceneTextureParameters &  SceneTextureParameters, const FLumenSceneFrameTemporaries &  FrameTemporaries, const FLumenScreenSpaceBentNormalParameters &  BentNormalParameters, const FBlueNoise &  BlueNoise, float  MaxScreenTraceFraction, const FViewInfo &  View, FRDGTextureRef  ShortRangeAO, uint32  NumPixelRays  )

extern

TraceScreenProbes()

void TraceScreenProbes ( FRDGBuilder &  GraphBuilder, const FScene *  Scene, const FViewInfo &  View, const FLumenSceneFrameTemporaries &  FrameTemporaries, bool  bTraceMeshObjects, const FSceneTextures &  SceneTextures, FRDGTextureRef  LightingChannelsTexture, const LumenRadianceCache::FRadianceCacheInterpolationParameters &  RadianceCacheParameters, FScreenProbeParameters &  ScreenProbeParameters, FLumenMeshSDFGridParameters &  MeshSDFGridParameters, ERDGPassFlags  ComputePassFlags  )

extern

Variable Documentation

GLumenScreenProbeGatherNumMips

int32 GLumenScreenProbeGatherNumMips

extern