FLandscapeRenderSystem Struct Reference

#include <LandscapeRender.h>

Classes
struct	LODSettingsComponent

Public Types
typedef uint32	FViewKey
using	SectionKeyToLODValueMap = TMap< FIntPoint, float >

Public Member Functions
	FLandscapeRenderSystem (uint32 InLandscapeKey, FSceneInterface *InScene)
	~FLandscapeRenderSystem ()
bool	IsValidCoord (FIntPoint InRenderCoord) const
int32	GetSectionLinearIndex (FIntPoint InRenderCoord) const
void	ResizeAndMoveTo (FIntPoint NewMin, FIntPoint NewMax)
void	ResizeToInclude (const FIntPoint &NewCoord)
void	CompactMap ()
bool	AnySectionsInRangeInclusive (FIntPoint RangeMin, FIntPoint RangeMax)
void	SetSectionInfo (FIntPoint InRenderCoord, FLandscapeSectionInfo *InSectionInfo)
FLandscapeSectionInfo *	GetSectionInfo (FIntPoint InRenderCoord)
float	GetSectionLODValue (const FSceneView &InView, FIntPoint InRenderCoord) const
const TResourceArray< float > &	GetCachedSectionLODValues (const FSceneView &InView) const
float	GetSectionLODBias (FIntPoint InRenderCoord) const
const TResourceArray< float > &	ComputeSectionsLODForView (const FSceneView &InView, UE::Renderer::Private::IShadowInvalidatingInstances *InShadowInvalidatingInstances)
void	PerformShadowInvalidations (UE::Renderer::Private::IShadowInvalidatingInstances &InShadowInvalidatingInstances)
void	FetchHeightmapLODBiases ()
void	UpdateBuffers (FRHICommandListBase &RHICmdList)

Static Public Member Functions
static float	ComputeLODFromScreenSize (const LODSettingsComponent &InLODSettings, float InScreenSizeSquared)
static void	CreateResources (FRHICommandListBase &RHICmdList, FLandscapeSectionInfo *SectionInfo)
static void	DestroyResources (FLandscapeSectionInfo *SectionInfo)
static void	RegisterSection (FLandscapeSectionInfo *SectionInfo)
static void	UnregisterSection (FLandscapeSectionInfo *SectionInfo)

Public Attributes
int32	LandscapeIndex
FIntPoint	Min
FIntPoint	Size
TResourceArray< float >	SectionLODBiases
TArray< FLandscapeSectionInfo * >	SectionInfos
int32	ReferenceCount
int32	RegisteredCount
FBufferRHIRef	SectionLODBiasBuffer
FShaderResourceViewRHIRef	SectionLODBiasSRV
FUniformBufferRHIRef	SectionLODUniformBuffer
TMap< const FSceneView *, TResourceArray< float > >	PerViewCachedSectionLODValues
TMap< uint32, TResourceArray< float > >	PerViewStateCachedSectionLODValues
TMap< uint32, SectionKeyToLODValueMap >	PerViewStateLastShadowInvalidationSectionLODValues
TMap< UE::Renderer::Private::IShadowInvalidatingInstances *, TArray< const FPrimitiveSceneInfo * > >	ShadowInvalidationRequests
int8	ForcedLODOverride
int32	ComponentResolution = -1
FVector	ComponentOrigin = FVector::ZeroVector
FVector	ComponentXVector = FVector::ZeroVector
FVector	ComponentYVector = FVector::ZeroVector
int32	SectionsRemovedSinceLastCompact
uint32	LandscapeKey = 0
FSceneInterface *	Scene = nullptr

Static Public Attributes
static TBitArray	LandscapeIndexAllocator

Member Typedef Documentation

FViewKey

typedef uint32 FLandscapeRenderSystem::FViewKey

SectionKeyToLODValueMap

using FLandscapeRenderSystem::SectionKeyToLODValueMap = TMap<FIntPoint, float>

Constructor & Destructor Documentation

FLandscapeRenderSystem()

FLandscapeRenderSystem::FLandscapeRenderSystem	(	uint32	InLandscapeKey,
		FSceneInterface *	InScene
	)

~FLandscapeRenderSystem()

FLandscapeRenderSystem::~FLandscapeRenderSystem

(

)

Member Function Documentation

AnySectionsInRangeInclusive()

bool FLandscapeRenderSystem::AnySectionsInRangeInclusive	(	FIntPoint	RangeMin,
		FIntPoint	RangeMax
	)

CompactMap()

void FLandscapeRenderSystem::CompactMap

(

)

ComputeLODFromScreenSize()

float FLandscapeRenderSystem::ComputeLODFromScreenSize ( const LODSettingsComponent &  InLODSettings, float  InScreenSizeSquared  )

static

ComputeSectionsLODForView()

const TResourceArray< float > & FLandscapeRenderSystem::ComputeSectionsLODForView	(	const FSceneView &	InView,
		UE::Renderer::Private::IShadowInvalidatingInstances *	InShadowInvalidatingInstances
	)

CreateResources()

void FLandscapeRenderSystem::CreateResources ( FRHICommandListBase &  RHICmdList, FLandscapeSectionInfo *  SectionInfo  )

static

DestroyResources()

void FLandscapeRenderSystem::DestroyResources ( FLandscapeSectionInfo *  SectionInfo )

static

FetchHeightmapLODBiases()

void FLandscapeRenderSystem::FetchHeightmapLODBiases

(

)

GetCachedSectionLODValues()

const TResourceArray< float > & FLandscapeRenderSystem::GetCachedSectionLODValues

(

const FSceneView &

InView

)

const

GetSectionInfo()

FLandscapeSectionInfo * FLandscapeRenderSystem::GetSectionInfo ( FIntPoint  InRenderCoord )

inline

GetSectionLinearIndex()

int32 FLandscapeRenderSystem::GetSectionLinearIndex ( FIntPoint  InRenderCoord ) const

inline

GetSectionLODBias()

float FLandscapeRenderSystem::GetSectionLODBias

(

FIntPoint

InRenderCoord

)

const

GetSectionLODValue()

float FLandscapeRenderSystem::GetSectionLODValue	(	const FSceneView &	InView,
		FIntPoint	InRenderCoord
	)		const

IsValidCoord()

bool FLandscapeRenderSystem::IsValidCoord ( FIntPoint  InRenderCoord ) const

inline

PerformShadowInvalidations()

void FLandscapeRenderSystem::PerformShadowInvalidations

(

UE::Renderer::Private::IShadowInvalidatingInstances &

InShadowInvalidatingInstances

)

RegisterSection()

void FLandscapeRenderSystem::RegisterSection ( FLandscapeSectionInfo *  SectionInfo )

static

ResizeAndMoveTo()

void FLandscapeRenderSystem::ResizeAndMoveTo	(	FIntPoint	NewMin,
		FIntPoint	NewMax
	)

ResizeToInclude()

void FLandscapeRenderSystem::ResizeToInclude

(

const FIntPoint &

NewCoord

)

SetSectionInfo()

void FLandscapeRenderSystem::SetSectionInfo ( FIntPoint  InRenderCoord, FLandscapeSectionInfo *  InSectionInfo  )

inline

UnregisterSection()

void FLandscapeRenderSystem::UnregisterSection ( FLandscapeSectionInfo *  SectionInfo )

static

UpdateBuffers()

void FLandscapeRenderSystem::UpdateBuffers

(

FRHICommandListBase &

RHICmdList

)

Member Data Documentation

ComponentOrigin

FVector FLandscapeRenderSystem::ComponentOrigin = FVector::ZeroVector

ComponentResolution

int32 FLandscapeRenderSystem::ComponentResolution = -1

ComponentXVector

FVector FLandscapeRenderSystem::ComponentXVector = FVector::ZeroVector

ComponentYVector

FVector FLandscapeRenderSystem::ComponentYVector = FVector::ZeroVector

ForcedLODOverride

int8 FLandscapeRenderSystem::ForcedLODOverride

Forced LOD level which overrides the ForcedLOD level of all the sections under this LandscapeRenderSystem.

LandscapeIndex

int32 FLandscapeRenderSystem::LandscapeIndex

LandscapeIndexAllocator

TBitArray FLandscapeRenderSystem::LandscapeIndexAllocator

static

LandscapeKey

uint32 FLandscapeRenderSystem::LandscapeKey = 0

Min

FIntPoint FLandscapeRenderSystem::Min

PerViewCachedSectionLODValues

TMap<const FSceneView*, TResourceArray<float> > FLandscapeRenderSystem::PerViewCachedSectionLODValues

PerViewStateCachedSectionLODValues

TMap<uint32, TResourceArray<float> > FLandscapeRenderSystem::PerViewStateCachedSectionLODValues

PerViewStateLastShadowInvalidationSectionLODValues

TMap<uint32, SectionKeyToLODValueMap> FLandscapeRenderSystem::PerViewStateLastShadowInvalidationSectionLODValues

ReferenceCount

int32 FLandscapeRenderSystem::ReferenceCount

RegisteredCount

int32 FLandscapeRenderSystem::RegisteredCount

Scene

FSceneInterface* FLandscapeRenderSystem::Scene = nullptr

SectionInfos

TArray<FLandscapeSectionInfo*> FLandscapeRenderSystem::SectionInfos

SectionLODBiasBuffer

FBufferRHIRef FLandscapeRenderSystem::SectionLODBiasBuffer

SectionLODBiases

TResourceArray<float> FLandscapeRenderSystem::SectionLODBiases

SectionLODBiasSRV

FShaderResourceViewRHIRef FLandscapeRenderSystem::SectionLODBiasSRV

SectionLODUniformBuffer

FUniformBufferRHIRef FLandscapeRenderSystem::SectionLODUniformBuffer

SectionsRemovedSinceLastCompact

int32 FLandscapeRenderSystem::SectionsRemovedSinceLastCompact

ShadowInvalidationRequests

TMap<UE::Renderer::Private::IShadowInvalidatingInstances*, TArray<const FPrimitiveSceneInfo*> > FLandscapeRenderSystem::ShadowInvalidationRequests

Size

FIntPoint FLandscapeRenderSystem::Size

---

The documentation for this struct was generated from the following files:

• Engine/Source/Runtime/Landscape/Public/LandscapeRender.h
• Engine/Source/Runtime/Landscape/Private/LandscapeRender.cpp