LumenSceneLighting.h File Reference

#include "RHIDefinitions.h"
#include "CommonRenderResources.h"
#include "SceneView.h"
#include "SceneRendering.h"
#include "RendererPrivateUtils.h"
#include "Lumen.h"
#include "Lumen/LumenSceneData.h"

Go to the source code of this file.

Classes
class	FLumenCardUpdateContext
class	FRasterizeToCardsVS
class	FClearLumenCardsPS
class	FCopyCardCaptureLightingToAtlasPS
struct	FLumenDirectLightingStochasticData
struct	FLumenCardTileUpdateContext

Namespaces
namespace	Lumen
namespace	LumenSceneLighting
namespace	LumenSceneDirectLighting

Enumerations
enum class	ELumenLightType {   Directional , Point , Spot , Rect ,   MAX }
enum class	ELumenDispatchCardTilesIndirectArgsOffset { OneThreadPerCardTile = 0 * sizeof(FRHIDispatchIndirectParameters) , OneGroupPerCardTile = 1 * sizeof(FRHIDispatchIndirectParameters) , Num = 2 }

Functions
template<typename VertexShaderType , typename PixelShaderType , typename PassParametersType , typename SetParametersLambdaType >
void	DrawQuadsToAtlas (FIntPoint ViewportSize, TShaderRefBase< VertexShaderType, FShaderMapPointerTable > VertexShader, TShaderRefBase< PixelShaderType, FShaderMapPointerTable > PixelShader, const PassParametersType *PassParameters, const FGlobalShaderMap *GlobalShaderMap, FRHIBlendState *BlendState, FRHICommandList &RHICmdList, SetParametersLambdaType &&SetParametersLambda, FRDGBufferRef DrawIndirectArgs, uint32 DrawIndirectArgOffset)
void	Lumen::SetDirectLightingDeferredLightUniformBuffer (const FViewInfo &View, const FLightSceneInfo *LightSceneInfo, TUniformBufferBinding< FDeferredLightUniformStruct > &UniformBuffer)
void	Lumen::CombineLumenSceneLighting (FScene *Scene, const FViewInfo &View, FRDGBuilder &GraphBuilder, const FLumenSceneFrameTemporaries &FrameTemporaries, const FLumenCardUpdateContext &CardUpdateContext, const FLumenCardTileUpdateContext &CardTileUpdateContext, ERDGPassFlags ComputePassFlags)
void	Lumen::BuildCardUpdateContext (FRDGBuilder &GraphBuilder, const FLumenSceneData &LumenSceneData, const TArray< FViewInfo > &Views, const FLumenSceneFrameTemporaries &FrameTemporaries, bool bIndirectLightingHistoryValid, FLumenCardUpdateContext &DirectLightingCardUpdateContext, FLumenCardUpdateContext &IndirectLightingCardUpdateContext, ERDGPassFlags ComputePassFlags)
void	Lumen::SpliceCardPagesIntoTiles (FRDGBuilder &GraphBuilder, const FGlobalShaderMap *GloablShaderMap, const FLumenCardUpdateContext &CardUpdateContext, const TRDGUniformBufferRef< FLumenCardScene > &LumenCardSceneUniformBuffer, FLumenCardTileUpdateContext &OutCardTileUpdateContext, ERDGPassFlags ComputePassFlags)
EPixelFormat	Lumen::GetDirectLightingAtlasFormat ()
EPixelFormat	Lumen::GetIndirectLightingAtlasFormat ()
EPixelFormat	Lumen::GetNumFramesAccumulatedAtlasFormat ()
bool	LumenSceneLighting::UseAsyncCompute (const FViewFamilyInfo &ViewFamily)
float	LumenSceneDirectLighting::GetMeshSDFShadowRayBias ()
float	LumenSceneDirectLighting::GetHeightfieldShadowRayBias ()
float	LumenSceneDirectLighting::GetGlobalSDFShadowRayBias ()
float	LumenSceneDirectLighting::GetHardwareRayTracingShadowRayBias ()
bool	LumenSceneDirectLighting::UseStochasticLighting (const FSceneViewFamily &ViewFamily)
bool	LumenSceneDirectLighting::UseLightTilesPerLightType ()
void	TraceLumenHardwareRayTracedDirectLightingShadows (FRDGBuilder &GraphBuilder, const FScene *Scene, const FViewInfo &View, int32 ViewIndex, const FLumenSceneFrameTemporaries &FrameTemporaries, const FLumenDirectLightingStochasticData &StochasticData, const LumenSceneDirectLighting::FLightDataParameters &LumenLightData, FRDGBufferRef ShadowTraceIndirectArgs, FRDGBufferRef ShadowTraceAllocator, FRDGBufferRef ShadowTraces, FRDGBufferRef LightTileAllocator, FRDGBufferRef LightTiles, FRDGBufferUAVRef ShadowMaskTilesUAV, ERDGPassFlags ComputePassFlags)
FRDGBufferSRVRef	TraceLumenHardwareRayTracedDebug (FRDGBuilder &GraphBuilder, const FScene *Scene, const FViewInfo &View, int32 ViewIndex, const FLumenSceneFrameTemporaries &FrameTemporaries, ERDGPassFlags ComputePassFlags)

Variables
constexpr uint32	LumenSceneDirectLighting::NumBatchableLightTypes = 3

Enumeration Type Documentation

ELumenDispatchCardTilesIndirectArgsOffset

enum class ELumenDispatchCardTilesIndirectArgsOffset

strong

Enumerator
OneThreadPerCardTile
OneGroupPerCardTile
Num

ELumenLightType

enum class ELumenLightType

strong

Enumerator
Directional
Point
Spot
Rect
MAX

Function Documentation

DrawQuadsToAtlas()

template<typename VertexShaderType , typename PixelShaderType , typename PassParametersType , typename SetParametersLambdaType >

void DrawQuadsToAtlas	(	FIntPoint	ViewportSize,
		TShaderRefBase< VertexShaderType, FShaderMapPointerTable >	VertexShader,
		TShaderRefBase< PixelShaderType, FShaderMapPointerTable >	PixelShader,
		const PassParametersType *	PassParameters,
		const FGlobalShaderMap *	GlobalShaderMap,
		FRHIBlendState *	BlendState,
		FRHICommandList &	RHICmdList,
		SetParametersLambdaType &&	SetParametersLambda,
		FRDGBufferRef	DrawIndirectArgs,
		uint32	DrawIndirectArgOffset
	)

TraceLumenHardwareRayTracedDebug()

FRDGBufferSRVRef TraceLumenHardwareRayTracedDebug	(	FRDGBuilder &	GraphBuilder,
		const FScene *	Scene,
		const FViewInfo &	View,
		int32	ViewIndex,
		const FLumenSceneFrameTemporaries &	FrameTemporaries,
		ERDGPassFlags	ComputePassFlags
	)

TraceLumenHardwareRayTracedDirectLightingShadows()

void TraceLumenHardwareRayTracedDirectLightingShadows	(	FRDGBuilder &	GraphBuilder,
		const FScene *	Scene,
		const FViewInfo &	View,
		int32	ViewIndex,
		const FLumenSceneFrameTemporaries &	FrameTemporaries,
		const FLumenDirectLightingStochasticData &	StochasticData,
		const LumenSceneDirectLighting::FLightDataParameters &	LumenLightData,
		FRDGBufferRef	ShadowTraceIndirectArgs,
		FRDGBufferRef	ShadowTraceAllocator,
		FRDGBufferRef	ShadowTraces,
		FRDGBufferRef	LightTileAllocator,
		FRDGBufferRef	LightTiles,
		FRDGBufferUAVRef	ShadowMaskTilesUAV,
		ERDGPassFlags	ComputePassFlags
	)