NaniteResources.cpp File Reference

#include "Rendering/NaniteResources.h"
#include "DataDrivenShaderPlatformInfo.h"
#include "Engine/Engine.h"
#include "EngineLogs.h"
#include "EngineModule.h"
#include "HAL/LowLevelMemStats.h"
#include "Rendering/NaniteStreamingManager.h"
#include "Rendering/RayTracingGeometryManager.h"
#include "Rendering/SkeletalMeshRenderData.h"
#include "Rendering/SkeletalMeshLODModel.h"
#include "Rendering/SkeletalMeshModel.h"
#include "Components/HierarchicalInstancedStaticMeshComponent.h"
#include "EngineUtils.h"
#include "Engine/MapBuildDataRegistry.h"
#include "Engine/InstancedStaticMesh.h"
#include "Engine/SkinnedAssetCommon.h"
#include "SkeletalRenderPublic.h"
#include "Materials/Material.h"
#include "Materials/MaterialRenderProxy.h"
#include "CommonRenderResources.h"
#include "DistanceFieldAtlas.h"
#include "NaniteSceneProxy.h"
#include "NaniteVertexFactory.h"
#include "Rendering/NaniteCoarseMeshStreamingManager.h"
#include "Rendering/NaniteResourcesHelper.h"
#include "Elements/SMInstance/SMInstanceElementData.h"
#include "MaterialCachedData.h"
#include "MaterialDomain.h"
#include "MeshMaterialShader.h"
#include "PrimitiveSceneInfo.h"
#include "SceneInterface.h"
#include "StaticMeshComponentLODInfo.h"
#include "Stats/StatsTrace.h"
#include "SkinningDefinitions.h"
#include "MeshCardBuild.h"
#include "ComponentRecreateRenderStateContext.h"
#include "StaticMeshSceneProxyDesc.h"
#include "InstancedStaticMeshSceneProxyDesc.h"
#include "SkinnedMeshSceneProxyDesc.h"
#include "GPUSkinCacheVisualizationData.h"
#include "VT/MeshPaintVirtualTexture.h"
#include "AnimationRuntime.h"
#include "SkeletalDebugRendering.h"
#include "ShadowMap.h"
#include "UnrealEngine.h"
#include "Engine/World.h"
#include "GameFramework/WorldSettings.h"
#include "MaterialCache/MaterialCacheVirtualTexture.h"
#include "MaterialCache/MaterialCacheVirtualTextureDescriptor.h"

Namespaces
namespace	Nanite

Functions
	DEFINE_GPU_STAT (NaniteStreaming)
	DEFINE_GPU_STAT (NaniteReadback)
	DECLARE_LLM_MEMORY_STAT (TEXT("Nanite"), STAT_NaniteLLM, STATGROUP_LLMFULL)
	DECLARE_LLM_MEMORY_STAT (TEXT("Nanite"), STAT_NaniteSummaryLLM, STATGROUP_LLM)
	LLM_DEFINE_TAG (Nanite, NAME_None, NAME_None, GET_STATFNAME(STAT_NaniteLLM), GET_STATFNAME(STAT_NaniteSummaryLLM))
FAutoConsoleVariableRef	CVarNaniteProxyRenderMode (TEXT("r.Nanite.ProxyRenderMode"), GNaniteProxyRenderMode, TEXT(" 2: Disable rendering if Nanite is enabled on a mesh but is unsupported, except for static mesh editor toggle."), FConsoleVariableDelegate::CreateLambda([](IConsoleVariable *InVariable) { FGlobalComponentRecreateRenderStateContext Context;}), ECVF_Scalability|ECVF_RenderThreadSafe)
bool	AllowLumenCardGenerationForSkeletalMeshes (EShaderPlatform Platform)
ERayTracingMode	Nanite::GetRayTracingMode ()
bool	Nanite::GetSupportsCustomDepthRendering ()
FArchive &	Nanite::operator<< (FArchive &Ar, FPackedHierarchyNode &Node)
FArchive &	Nanite::operator<< (FArchive &Ar, FPageStreamingState &PageStreamingState)
FArchive &	Nanite::operator<< (FArchive &Ar, FPageRangeKey &PageRangeKey)
void	Nanite::AuditMaterials (const USkinnedMeshComponent *Component, FMaterialAudit &Audit, bool bSetMaterialUsage)
void	Nanite::AuditMaterials (const UStaticMeshComponent *Component, FMaterialAudit &Audit, bool bSetMaterialUsage)
void	Nanite::AuditMaterials (const FStaticMeshSceneProxyDesc *ProxyDesc, FMaterialAudit &Audit, bool bSetMaterialUsage)
void	Nanite::AuditMaterials (const FSkinnedMeshSceneProxyDesc *ProxyDesc, FMaterialAudit &Audit, bool bSetMaterialUsage)
bool	Nanite::IsSupportedBlendMode (EBlendMode BlendMode)
bool	Nanite::IsSupportedBlendMode (const FMaterialShaderParameters &In)
bool	Nanite::IsSupportedBlendMode (const FMaterial &In)
bool	Nanite::IsSupportedBlendMode (const UMaterialInterface &In)
bool	Nanite::IsSupportedMaterialDomain (EMaterialDomain Domain)
bool	Nanite::IsSupportedShadingModel (FMaterialShadingModelField ShadingModelField)
bool	Nanite::IsMaskingAllowed (UWorld *World, bool bForceNaniteForMasked)
EProxyRenderMode	Nanite::GetProxyRenderMode ()
FMeshDataSectionArray	Nanite::BuildMeshSections (const FStaticMeshSectionArray &InSections)
FStaticMeshSectionArray	Nanite::BuildStaticMeshSections (const FMeshDataSectionArray &InSections)
	IMPLEMENT_VERTEX_FACTORY_TYPE (FNaniteVertexFactory, "/Engine/Private/Nanite/NaniteVertexFactory.ush", EVertexFactoryFlags::UsedWithMaterials|EVertexFactoryFlags::SupportsStaticLighting|EVertexFactoryFlags::SupportsPrimitiveIdStream|EVertexFactoryFlags::SupportsNaniteRendering|EVertexFactoryFlags::SupportsComputeShading|EVertexFactoryFlags::SupportsManualVertexFetch|EVertexFactoryFlags::SupportsRayTracing|EVertexFactoryFlags::SupportsLumenMeshCards|EVertexFactoryFlags::SupportsLandscape|EVertexFactoryFlags::SupportsPSOPrecaching)
void	ClearNaniteResources (Nanite::FResources &InResources)
void	ClearNaniteResources (TPimplPtr< Nanite::FResources > &InResources)
void	InitNaniteResources (TPimplPtr< Nanite::FResources > &InResources, bool bRecreate)
uint64	GetNaniteResourcesSize (const TPimplPtr< Nanite::FResources > &InResources)
uint64	GetNaniteResourcesSize (const Nanite::FResources &InResources)
void	GetNaniteResourcesSizeEx (const TPimplPtr< Nanite::FResources > &InResources, FResourceSizeEx &CumulativeResourceSize)
void	GetNaniteResourcesSizeEx (const Nanite::FResources &InResources, FResourceSizeEx &CumulativeResourceSize)

Variables
int32	GNaniteAllowMaskedMaterials = 1
FAutoConsoleVariableRef	CVarNaniteAllowMaskedMaterials (TEXT("r.Nanite.AllowMaskedMaterials"), GNaniteAllowMaskedMaterials, TEXT("Whether to allow meshes using masked materials to render using Nanite."), FConsoleVariableDelegate::CreateLambda([](IConsoleVariable *InVariable) { FGlobalComponentRecreateRenderStateContext Context;}), ECVF_RenderThreadSafe)
int32	GNaniteCustomDepthEnabled = 1
int32	GNaniteProxyRenderMode = 0
TAutoConsoleVariable< int32 >	CVarDebugDrawSimpleBones
TAutoConsoleVariable< int32 >	CVarDebugDrawBoneAxes
TGlobalResource< FVertexFactoryResource >	Nanite::GVertexFactoryResource

Function Documentation

AllowLumenCardGenerationForSkeletalMeshes()

bool AllowLumenCardGenerationForSkeletalMeshes ( EShaderPlatform  Platform )

extern

ClearNaniteResources() [1/2]

void ClearNaniteResources

(

Nanite::FResources &

InResources

)

ClearNaniteResources() [2/2]

void ClearNaniteResources

(

TPimplPtr< Nanite::FResources > &

InResources

)

CVarNaniteProxyRenderMode()

FAutoConsoleVariableRef CVarNaniteProxyRenderMode	(	TEXT("r.Nanite.ProxyRenderMode")	,
		GNaniteProxyRenderMode	,
		TEXT(" 2: Disable rendering if Nanite is enabled on a mesh but is unsupported, except for static mesh editor toggle.")	,
		FConsoleVariableDelegate::CreateLambda([](IConsoleVariable *InVariable) { FGlobalComponentRecreateRenderStateContext Context;})	,
		ECVF_Scalability|	ECVF_RenderThreadSafe
	)

DECLARE_LLM_MEMORY_STAT() [1/2]

DECLARE_LLM_MEMORY_STAT	(	TEXT("Nanite")	,
		STAT_NaniteLLM	,
		STATGROUP_LLMFULL
	)

DECLARE_LLM_MEMORY_STAT() [2/2]

DECLARE_LLM_MEMORY_STAT	(	TEXT("Nanite")	,
		STAT_NaniteSummaryLLM	,
		STATGROUP_LLM
	)

DEFINE_GPU_STAT() [1/2]

DEFINE_GPU_STAT

(

NaniteReadback

)

DEFINE_GPU_STAT() [2/2]

DEFINE_GPU_STAT

(

NaniteStreaming

)

GetNaniteResourcesSize() [1/2]

uint64 GetNaniteResourcesSize

(

const Nanite::FResources &

InResources

)

GetNaniteResourcesSize() [2/2]

uint64 GetNaniteResourcesSize

(

const TPimplPtr< Nanite::FResources > &

InResources

)

GetNaniteResourcesSizeEx() [1/2]

void GetNaniteResourcesSizeEx	(	const Nanite::FResources &	InResources,
		FResourceSizeEx &	CumulativeResourceSize
	)

GetNaniteResourcesSizeEx() [2/2]

void GetNaniteResourcesSizeEx	(	const TPimplPtr< Nanite::FResources > &	InResources,
		FResourceSizeEx &	CumulativeResourceSize
	)

IMPLEMENT_VERTEX_FACTORY_TYPE()

IMPLEMENT_VERTEX_FACTORY_TYPE	(	FNaniteVertexFactory	,
		"/Engine/Private/Nanite/NaniteVertexFactory.ush"	,
		EVertexFactoryFlags::UsedWithMaterials|EVertexFactoryFlags::SupportsStaticLighting|EVertexFactoryFlags::SupportsPrimitiveIdStream|EVertexFactoryFlags::SupportsNaniteRendering|EVertexFactoryFlags::SupportsComputeShading|EVertexFactoryFlags::SupportsManualVertexFetch|EVertexFactoryFlags::SupportsRayTracing|EVertexFactoryFlags::SupportsLumenMeshCards|EVertexFactoryFlags::SupportsLandscape|EVertexFactoryFlags::SupportsPSOPrecaching
	)

InitNaniteResources()

void InitNaniteResources	(	TPimplPtr< Nanite::FResources > &	InResources,
		bool	bRecreate
	)

LLM_DEFINE_TAG()

LLM_DEFINE_TAG	(	Nanite	,
		NAME_None	,
		NAME_None	,
		GET_STATFNAME(STAT_NaniteLLM)	,
		GET_STATFNAME(STAT_NaniteSummaryLLM)
	)

Variable Documentation

CVarDebugDrawBoneAxes

TAutoConsoleVariable<int32> CVarDebugDrawBoneAxes

extern

CVarDebugDrawSimpleBones

TAutoConsoleVariable<int32> CVarDebugDrawSimpleBones

extern

CVarNaniteAllowMaskedMaterials

FAutoConsoleVariableRef CVarNaniteAllowMaskedMaterials(TEXT("r.Nanite.AllowMaskedMaterials"), GNaniteAllowMaskedMaterials, TEXT("Whether to allow meshes using masked materials to render using Nanite."), FConsoleVariableDelegate::CreateLambda([](IConsoleVariable *InVariable) { FGlobalComponentRecreateRenderStateContext Context; }), ECVF_RenderThreadSafe)	(	TEXT("r.Nanite.AllowMaskedMaterials")	,
		GNaniteAllowMaskedMaterials	,
		TEXT("Whether to allow meshes using masked materials to render using Nanite.")	,
		FConsoleVariableDelegate::CreateLambda([](IConsoleVariable *InVariable) { FGlobalComponentRecreateRenderStateContext Context;})	,
		ECVF_RenderThreadSafe
	)

GNaniteAllowMaskedMaterials

int32 GNaniteAllowMaskedMaterials = 1

GNaniteCustomDepthEnabled

int32 GNaniteCustomDepthEnabled = 1

GNaniteProxyRenderMode

int32 GNaniteProxyRenderMode = 0