NaniteShading.cpp File Reference

#include "NaniteShading.h"
#include "NaniteShared.h"
#include "NaniteVertexFactory.h"
#include "NaniteRayTracing.h"
#include "NaniteVisualizationData.h"
#include "NaniteComposition.h"
#include "Rendering/NaniteResources.h"
#include "Rendering/NaniteStreamingManager.h"
#include "Lumen/LumenSceneCardCapture.h"
#include "ComponentRecreateRenderStateContext.h"
#include "VariableRateShadingImageManager.h"
#include "SystemTextures.h"
#include "SceneUtils.h"
#include "ScenePrivate.h"
#include "RHI.h"
#include "BasePassRendering.h"
#include "Async/ParallelFor.h"
#include "Materials/Material.h"
#include "Materials/MaterialRenderProxy.h"
#include "MeshPassUtils.h"
#include "PSOPrecacheMaterial.h"
#include "PSOPrecacheValidation.h"
#include "Nanite/NaniteMaterialsSceneExtension.h"
#include "RenderGraphResources.h"

Classes
class	FVisualizeClearTilesCS
class	FShadingBinBuildCS
class	FShadingBinReserveCS
class	FShadingBinValidateCS
class	FClearCMaskRectCS
struct	FLumenShadingBinEntry

Namespaces
namespace	Nanite

Functions
bool	UsingHighPrecisionGBuffer ()
bool	CanUseShaderBundleWorkGraph (EShaderPlatform Platform)
	IMPLEMENT_GLOBAL_SHADER (FVisualizeClearTilesCS, "/Engine/Private/Nanite/NaniteFastClear.usf", "VisualizeClearTilesCS", SF_Compute)
	IMPLEMENT_GLOBAL_SHADER (FShadingBinBuildCS, "/Engine/Private/Nanite/NaniteShadeBinning.usf", "ShadingBinBuildCS", SF_Compute)
	IMPLEMENT_GLOBAL_SHADER (FShadingBinReserveCS, "/Engine/Private/Nanite/NaniteShadeBinning.usf", "ShadingBinReserveCS", SF_Compute)
	IMPLEMENT_GLOBAL_SHADER (FShadingBinValidateCS, "/Engine/Private/Nanite/NaniteShadeBinning.usf", "ShadingBinValidateCS", SF_Compute)
	IMPLEMENT_UNIFORM_BUFFER_STRUCT_EX (FComputeShadingOutputs, "ComputeShadingOutputs", FShaderParametersMetadata::EUsageFlags::NeedsReflectedMembers|FShaderParametersMetadata::EUsageFlags::ManuallyBoundByPass)
	IMPLEMENT_GLOBAL_SHADER (FClearCMaskRectCS, "/Engine/Private/Nanite/NaniteShadeBinning.usf", "ClearCMaskRectCS", SF_Compute)
void	DispatchLumenMeshCapturePass (FRDGBuilder &GraphBuilder, FScene &Scene, FViewInfo *SharedView, TArrayView< const FCardPageRenderData > CardPagesToRender, const Nanite::FRasterResults &RasterResults, const Nanite::FRasterContext &RasterContext, FLumenCardPassUniformParameters *PassUniformParameters, FRDGBufferSRVRef RectMinMaxBufferSRV, uint32 NumRects, FIntPoint ViewportSize, FRDGTextureRef AlbedoAtlasTexture, FRDGTextureRef NormalAtlasTexture, FRDGTextureRef EmissiveAtlasTexture, FRDGTextureRef DepthAtlasTexture)

Variables
TAutoConsoleVariable< int32 >	CVarNaniteShowDrawEvents
TAutoConsoleVariable< int32 >	CVarRHICmdMinDrawsPerParallelCmdList
int32	GSkipDrawOnPSOPrecaching
int32	GNaniteShowStats
TAutoConsoleVariable< int32 >	CVarParallelBasePassBuild (TEXT("r.Nanite.ParallelBasePassBuild"), 1, TEXT(""), ECVF_RenderThreadSafe)
TAutoConsoleVariable< int32 >	CVarNaniteBundleEmulation (TEXT("r.Nanite.Bundle.Emulation"), 0, TEXT("Whether to force shader bundle dispatch emulation"), FConsoleVariableDelegate::CreateLambda([](IConsoleVariable *InVariable) { FGlobalComponentRecreateRenderStateContext Context;}), ECVF_RenderThreadSafe)
int32	GNaniteValidateShadeBinning = 0

Function Documentation

CanUseShaderBundleWorkGraph()

bool CanUseShaderBundleWorkGraph

(

EShaderPlatform

Platform

)

DispatchLumenMeshCapturePass()

void DispatchLumenMeshCapturePass	(	FRDGBuilder &	GraphBuilder,
		FScene &	Scene,
		FViewInfo *	SharedView,
		TArrayView< const FCardPageRenderData >	CardPagesToRender,
		const Nanite::FRasterResults &	RasterResults,
		const Nanite::FRasterContext &	RasterContext,
		FLumenCardPassUniformParameters *	PassUniformParameters,
		FRDGBufferSRVRef	RectMinMaxBufferSRV,
		uint32	NumRects,
		FIntPoint	ViewportSize,
		FRDGTextureRef	AlbedoAtlasTexture,
		FRDGTextureRef	NormalAtlasTexture,
		FRDGTextureRef	EmissiveAtlasTexture,
		FRDGTextureRef	DepthAtlasTexture
	)

IMPLEMENT_GLOBAL_SHADER() [1/5]

IMPLEMENT_GLOBAL_SHADER	(	FClearCMaskRectCS	,
		"/Engine/Private/Nanite/NaniteShadeBinning.usf"	,
		"ClearCMaskRectCS"	,
		SF_Compute
	)

IMPLEMENT_GLOBAL_SHADER() [2/5]

IMPLEMENT_GLOBAL_SHADER	(	FShadingBinBuildCS	,
		"/Engine/Private/Nanite/NaniteShadeBinning.usf"	,
		"ShadingBinBuildCS"	,
		SF_Compute
	)

IMPLEMENT_GLOBAL_SHADER() [3/5]

IMPLEMENT_GLOBAL_SHADER	(	FShadingBinReserveCS	,
		"/Engine/Private/Nanite/NaniteShadeBinning.usf"	,
		"ShadingBinReserveCS"	,
		SF_Compute
	)

IMPLEMENT_GLOBAL_SHADER() [4/5]

IMPLEMENT_GLOBAL_SHADER	(	FShadingBinValidateCS	,
		"/Engine/Private/Nanite/NaniteShadeBinning.usf"	,
		"ShadingBinValidateCS"	,
		SF_Compute
	)

IMPLEMENT_GLOBAL_SHADER() [5/5]

IMPLEMENT_GLOBAL_SHADER	(	FVisualizeClearTilesCS	,
		"/Engine/Private/Nanite/NaniteFastClear.usf"	,
		"VisualizeClearTilesCS"	,
		SF_Compute
	)

IMPLEMENT_UNIFORM_BUFFER_STRUCT_EX()

IMPLEMENT_UNIFORM_BUFFER_STRUCT_EX	(	FComputeShadingOutputs	,
		"ComputeShadingOutputs"	,
		FShaderParametersMetadata::EUsageFlags::NeedsReflectedMembers|FShaderParametersMetadata::EUsageFlags::ManuallyBoundByPass
	)

UsingHighPrecisionGBuffer()

bool UsingHighPrecisionGBuffer ( )

inline

Variable Documentation

CVarNaniteBundleEmulation

TAutoConsoleVariable< int32 > CVarNaniteBundleEmulation(TEXT("r.Nanite.Bundle.Emulation"), 0, TEXT("Whether to force shader bundle dispatch emulation"), FConsoleVariableDelegate::CreateLambda([](IConsoleVariable *InVariable) { FGlobalComponentRecreateRenderStateContext Context; }), ECVF_RenderThreadSafe)	(	TEXT("r.Nanite.Bundle.Emulation")	,
		0	,
		TEXT("Whether to force shader bundle dispatch emulation")	,
		FConsoleVariableDelegate::CreateLambda([](IConsoleVariable *InVariable) { FGlobalComponentRecreateRenderStateContext Context;})	,
		ECVF_RenderThreadSafe
	)

CVarNaniteShowDrawEvents

TAutoConsoleVariable<int32> CVarNaniteShowDrawEvents

extern

CVarParallelBasePassBuild

TAutoConsoleVariable< int32 > CVarParallelBasePassBuild(TEXT("r.Nanite.ParallelBasePassBuild"), 1, TEXT(""), ECVF_RenderThreadSafe)	(	TEXT("r.Nanite.ParallelBasePassBuild")	,
		1	,
		TEXT("")	,
		ECVF_RenderThreadSafe
	)

CVarRHICmdMinDrawsPerParallelCmdList

TAutoConsoleVariable<int32> CVarRHICmdMinDrawsPerParallelCmdList

extern

GNaniteShowStats

int32 GNaniteShowStats

extern

GNaniteValidateShadeBinning

int32 GNaniteValidateShadeBinning = 0

GSkipDrawOnPSOPrecaching

int32 GSkipDrawOnPSOPrecaching

extern