LandscapeRender.cpp File Reference

#include "LandscapeRender.h"
#include "LightMap.h"
#include "ShadowMap.h"
#include "LandscapeLayerInfoObject.h"
#include "LandscapePrivate.h"
#include "LandscapeMeshProxyComponent.h"
#include "LandscapeNaniteComponent.h"
#include "MaterialDomain.h"
#include "Materials/Material.h"
#include "Materials/MaterialExpressionTextureCoordinate.h"
#include "Materials/MaterialExpressionLandscapeLayerCoords.h"
#include "Materials/MaterialExpressionLandscapeVisibilityMask.h"
#include "Materials/MaterialInstanceDynamic.h"
#include "Materials/MaterialInstanceConstant.h"
#include "MeshDrawShaderBindings.h"
#include "ShaderParameterUtils.h"
#include "LandscapeEdit.h"
#include "Engine/Level.h"
#include "Materials/MaterialExpressionTextureSample.h"
#include "LandscapeMaterialInstanceConstant.h"
#include "Engine/ShadowMapTexture2D.h"
#include "EngineGlobals.h"
#include "EngineModule.h"
#include "UnrealEngine.h"
#include "LandscapeLight.h"
#include "Algo/Find.h"
#include "Engine/StaticMesh.h"
#include "LandscapeInfo.h"
#include "LandscapeDataAccess.h"
#include "DrawDebugHelpers.h"
#include "RHIStaticStates.h"
#include "PrimitiveSceneInfo.h"
#include "SceneView.h"
#include "LandscapeProxy.h"
#include "HAL/LowLevelMemTracker.h"
#include "MeshMaterialShader.h"
#include "VT/RuntimeVirtualTexture.h"
#include "RayTracingInstance.h"
#include "ProfilingDebugging/LoadTimeTracker.h"
#include "StaticMeshResources.h"
#include "TextureResource.h"
#include "NaniteSceneProxy.h"
#include "Rendering/Texture2DResource.h"
#include "RenderCore.h"
#include "DataDrivenShaderPlatformInfo.h"
#include "Algo/Transform.h"
#include "LandscapeCulling.h"
#include "RenderGraphBuilder.h"
#include "Scalability.h"
#include "Rendering/CustomRenderPass.h"
#include "LandscapeUtilsPrivate.h"
#include "SceneRendererInterface.h"

Classes
class	FLandscapeFixedGridVertexFactoryVertexShaderParameters
class	FLandscapeMaterialResource
class	FLandscapeProxySectionInfo
class	FLandscapeNaniteSceneProxy

Namespaces
namespace	UE
namespace	UE::Landscape

Functions
	IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT (FLandscapeUniformShaderParameters, "LandscapeParameters")
	IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT (FLandscapeFixedGridUniformShaderParameters, "LandscapeFixedGrid")
	IMPLEMENT_TYPE_LAYOUT (FLandscapeVertexFactoryVertexShaderParameters)
	IMPLEMENT_TYPE_LAYOUT (FLandscapeVertexFactoryPixelShaderParameters)
FAutoConsoleVariableRef	CVarLandscapeLOD0ScreenSizeOverride (TEXT("landscape.OverrideLOD0ScreenSize"), GLandscapeLOD0ScreenSizeOverride, TEXT("When > 0, force override the landscape LOD0ScreenSize property on all landscapes"), FConsoleVariableDelegate::CreateStatic(&OnCVarNeedingRenderStateInvalidationChanged), ECVF_Cheat)
FAutoConsoleVariableRef	CVarLandscapeLOD0DistributionOverride (TEXT("landscape.OverrideLOD0Distribution"), GLandscapeLOD0DistributionOverride, TEXT("When > 0, force override the LOD0DistributionSetting property on all landscapes, and ignore r.LandscapeLOD0DistributionScale"), FConsoleVariableDelegate::CreateStatic(&OnCVarNeedingRenderStateInvalidationChanged), ECVF_Cheat)
FAutoConsoleVariableRef	CVarLandscapeLODDistributionOverride (TEXT("landscape.OverrideLODDistribution"), GLandscapeLODDistributionOverride, TEXT("When > 0, force override the landscape LODDistributionSetting property on all landscapes, and ignore r.LandscapeLODDistributionScale"), FConsoleVariableDelegate::CreateStatic(&OnCVarNeedingRenderStateInvalidationChanged), ECVF_Cheat)
FAutoConsoleVariableRef	CVarLandscapeLODBlendRangeOverride (TEXT("landscape.OverrideLODBlendRange"), GLandscapeLODBlendRangeOverride, TEXT("When > 0, force the LODBlendRange property on all landscapes"), FConsoleVariableDelegate::CreateStatic(&OnCVarNeedingRenderStateInvalidationChanged), ECVF_Cheat)
FAutoConsoleVariableRef	CVarLandscapeNonNaniteVirtualShadowMapConstantDepthBiasOverrideOverride (TEXT("landscape.OverrideNonNaniteVirtualShadowMapConstantDepthBiasOverride"), GLandscapeNonNaniteVirtualShadowMapConstantDepthBiasOverride, TEXT("When > 0, force override the landscape NonNaniteVirtualShadowMapConstantDepthBias property on all landscapes"), FConsoleVariableDelegate::CreateStatic(&OnCVarNeedingRenderStateInvalidationChanged), ECVF_Cheat)
FAutoConsoleVariableRef	CVarLandscapeNonNaniteVirtualShadowMapInvalidationHeightErrorThresholdOverride (TEXT("landscape.OverrideNonNaniteVirtualShadowMapInvalidationHeightErrorThreshold"), GLandscapeNonNaniteVirtualShadowMapInvalidationHeightErrorThresholdOverride, TEXT("When > 0, force override the landscape NonNaniteVirtualShadowMapInvalidationHeightErrorThreshold property on all landscapes"), FConsoleVariableDelegate::CreateStatic(&OnCVarNeedingRenderStateInvalidationChanged), ECVF_Cheat)
FAutoConsoleVariableRef	CVarLandscapeNonNaniteVirtualShadowMapInvalidationScreenSizeLimitOverride (TEXT("landscape.OverrideNonNaniteVirtualShadowMapInvalidationScreenSizeLimit"), GLandscapeNonNaniteVirtualShadowMapInvalidationScreenSizeLimitOverride, TEXT("When > 0, force override the landscape NonNaniteVirtualShadowMapInvalidationScreenSizeLimit property on all landscapes"), FConsoleVariableDelegate::CreateStatic(&OnCVarNeedingRenderStateInvalidationChanged), ECVF_Cheat)
FAutoConsoleVariableRef	CVarLandscapeLOD0DistributionScale (TEXT("r.LandscapeLOD0DistributionScale"), GLandscapeLOD0DistributionScale, TEXT("Multiplier for the landscape LOD0DistributionSetting property"), FConsoleVariableDelegate::CreateStatic(&OnCVarNeedingRenderStateInvalidationChanged), ECVF_Scalability)
FAutoConsoleVariableRef	CVarLandscapeLODDistributionScale (TEXT("r.LandscapeLODDistributionScale"), GLandscapeLODDistributionScale, TEXT("Multiplier for the landscape LODDistributionSetting property"), FConsoleVariableDelegate::CreateStatic(&OnCVarNeedingRenderStateInvalidationChanged), ECVF_Scalability)
FAutoConsoleVariableRef	CVarLandscapeAllowNonNaniteVirtualShadowMapInvalidation (TEXT("landscape.AllowNonNaniteVirtualShadowMapInvalidation"), GLandscapeAllowNonNaniteVirtualShadowMapInvalidation, TEXT("For non-Nanite landscape, cached virtual shadow map pages need to be invalidated when the vertex morphing introduces a height difference that is too large. This enables or disables this behavior entirely"), ECVF_RenderThreadSafe|ECVF_Scalability)
FAutoConsoleVariableRef	CVarLandscapeNonNaniteVirtualShadowMapInvalidationLODAttenuationExponent (TEXT("landscape.NonNaniteVirtualShadowMapInvalidationLODAttenuationExponent"), GLandscapeNonNaniteVirtualShadowMapInvalidationLODAttenuationExponent, TEXT("For non-Nanite landscape, controls the shape of the curve of the attenuation of the virtual shadow map pages' invalidation rate (1 - X^N), where X is the relative LOD value (LODValue/NumMips in the [0,1] range) and N, the CVar"), ECVF_RenderThreadSafe|ECVF_Scalability)
FAutoConsoleVariableRef	CVarLandscapeRuntimeVirtualTextureRenderWithQuad (TEXT("landscape.RuntimeVirtualTextureRenderWithQuad"), GLandscapeRuntimeVirtualTextureRenderWithQuad, TEXT("0 takes setting from landscape, 1 forces on, 2 forces off."), FConsoleVariableDelegate::CreateStatic(&OnCVarNeedingRenderStateInvalidationChanged), ECVF_RenderThreadSafe|ECVF_Scalability)
bool	UE::Landscape::NeedsFixedGridVertexFactory (EShaderPlatform InShaderPlatform)
bool	UE::Landscape::ShouldBuildGrassMapRenderingResources ()
	IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT (FLandscapeSectionLODUniformParameters, "LandscapeContinuousLODParameters")
	IMPLEMENT_TYPE_LAYOUT (FLandscapeFixedGridVertexFactoryVertexShaderParameters)
	IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT (FLandscapeVertexFactoryMVFParameters, "LandscapeMVF")
	IMPLEMENT_VERTEX_FACTORY_PARAMETER_TYPE (FLandscapeVertexFactory, SF_Vertex, FLandscapeVertexFactoryVertexShaderParameters)
	IMPLEMENT_VERTEX_FACTORY_PARAMETER_TYPE (FLandscapeVertexFactory, SF_Pixel, FLandscapeVertexFactoryPixelShaderParameters)
	IMPLEMENT_VERTEX_FACTORY_TYPE (FLandscapeVertexFactory, "/Engine/Private/LandscapeVertexFactory.ush", EVertexFactoryFlags::UsedWithMaterials|EVertexFactoryFlags::SupportsStaticLighting|EVertexFactoryFlags::SupportsDynamicLighting|EVertexFactoryFlags::SupportsCachingMeshDrawCommands|EVertexFactoryFlags::SupportsRayTracing|EVertexFactoryFlags::SupportsRayTracingDynamicGeometry|EVertexFactoryFlags::SupportsLightmapBaking|EVertexFactoryFlags::SupportsPrimitiveIdStream|EVertexFactoryFlags::SupportsPSOPrecaching|EVertexFactoryFlags::SupportsLandscape)
	IMPLEMENT_VERTEX_FACTORY_PARAMETER_TYPE (FLandscapeFixedGridVertexFactory, SF_Vertex, FLandscapeFixedGridVertexFactoryVertexShaderParameters)
	IMPLEMENT_VERTEX_FACTORY_PARAMETER_TYPE (FLandscapeFixedGridVertexFactory, SF_Pixel, FLandscapeVertexFactoryPixelShaderParameters)
	IMPLEMENT_VERTEX_FACTORY_TYPE (FLandscapeFixedGridVertexFactory, "/Engine/Private/LandscapeVertexFactory.ush", EVertexFactoryFlags::UsedWithMaterials|EVertexFactoryFlags::SupportsStaticLighting|EVertexFactoryFlags::SupportsDynamicLighting|EVertexFactoryFlags::SupportsCachingMeshDrawCommands|EVertexFactoryFlags::SupportsRayTracing|EVertexFactoryFlags::SupportsRayTracingDynamicGeometry|EVertexFactoryFlags::SupportsLightmapBaking|EVertexFactoryFlags::SupportsPrimitiveIdStream|EVertexFactoryFlags::SupportsPSOPrecaching|EVertexFactoryFlags::SupportsLumenMeshCards|EVertexFactoryFlags::SupportsLandscape)

Variables
float	GLandscapeLOD0ScreenSizeOverride = -1.f
float	GLandscapeLOD0DistributionOverride = -1.f
float	GLandscapeLODDistributionOverride = -1.f
float	GLandscapeLODBlendRangeOverride = -1.f
float	GLandscapeNonNaniteVirtualShadowMapConstantDepthBiasOverride = -1.f
float	GLandscapeNonNaniteVirtualShadowMapInvalidationHeightErrorThresholdOverride = -1.f
float	GLandscapeNonNaniteVirtualShadowMapInvalidationScreenSizeLimitOverride = -1.f
float	GLandscapeLOD0DistributionScale = 1.f
float	GLandscapeLODDistributionScale = 1.f
int32	GAllowLandscapeShadows = 1
int32	GLandscapeUseAsyncTasksForLODComputation = 1
FAutoConsoleVariableRef	CVarLandscapeUseAsyncTasksForLODComputation (TEXT("r.LandscapeUseAsyncTasksForLODComputation"), GLandscapeUseAsyncTasksForLODComputation, TEXT("Use async tasks for computing per-landscape component LOD biases."), ECVF_RenderThreadSafe)
int32	GDisableLandscapeNaniteGI = 1
bool	GLandscapeAllowNonNaniteVirtualShadowMapInvalidation = true
float	GLandscapeNonNaniteVirtualShadowMapInvalidationLODAttenuationExponent = 2.0f
int32	GLandscapeAllowNanitePerClusterDisplacementDisable = 1
int32	GLandscapeRuntimeVirtualTextureRenderWithQuad = 0
RENDERER_API TAutoConsoleVariable< float >	CVarStaticMeshLODDistanceScale
int32	GGrassMapUseRuntimeGeneration
int32	GGrassMapAlwaysBuildRuntimeGenerationResources
uint32	GVarDumpLandscapeLODsCurrentFrame = 0
bool	GVarDumpLandscapeLODsDetails = false
int32	GLandscapeRayTracingSections = 1
int32	GLandscapeRayTracingLODBias = 0
FLandscapeDebugOptions	GLandscapeDebugOptions
TMap< uint32, FLandscapeRenderSystem * >	LandscapeRenderSystems

Function Documentation

CVarLandscapeAllowNonNaniteVirtualShadowMapInvalidation()

FAutoConsoleVariableRef CVarLandscapeAllowNonNaniteVirtualShadowMapInvalidation	(	TEXT("landscape.AllowNonNaniteVirtualShadowMapInvalidation")	,
		GLandscapeAllowNonNaniteVirtualShadowMapInvalidation	,
		TEXT("For non-Nanite landscape, cached virtual shadow map pages need to be invalidated when the vertex morphing introduces a height difference that is too large. This enables or disables this behavior entirely")	,
		ECVF_RenderThreadSafe|	ECVF_Scalability
	)

CVarLandscapeLOD0DistributionOverride()

FAutoConsoleVariableRef CVarLandscapeLOD0DistributionOverride	(	TEXT("landscape.OverrideLOD0Distribution")	,
		GLandscapeLOD0DistributionOverride	,
		TEXT("When > 0, force override the LOD0DistributionSetting property on all landscapes, and ignore r.LandscapeLOD0DistributionScale")	,
		FConsoleVariableDelegate::CreateStatic &	OnCVarNeedingRenderStateInvalidationChanged,
		ECVF_Cheat
	)

CVarLandscapeLOD0DistributionScale()

FAutoConsoleVariableRef CVarLandscapeLOD0DistributionScale	(	TEXT("r.LandscapeLOD0DistributionScale")	,
		GLandscapeLOD0DistributionScale	,
		TEXT("Multiplier for the landscape LOD0DistributionSetting property")	,
		FConsoleVariableDelegate::CreateStatic &	OnCVarNeedingRenderStateInvalidationChanged,
		ECVF_Scalability
	)

CVarLandscapeLOD0ScreenSizeOverride()

FAutoConsoleVariableRef CVarLandscapeLOD0ScreenSizeOverride	(	TEXT("landscape.OverrideLOD0ScreenSize")	,
		GLandscapeLOD0ScreenSizeOverride	,
		TEXT("When > 0, force override the landscape LOD0ScreenSize property on all landscapes")	,
		FConsoleVariableDelegate::CreateStatic &	OnCVarNeedingRenderStateInvalidationChanged,
		ECVF_Cheat
	)

CVarLandscapeLODBlendRangeOverride()

FAutoConsoleVariableRef CVarLandscapeLODBlendRangeOverride	(	TEXT("landscape.OverrideLODBlendRange")	,
		GLandscapeLODBlendRangeOverride	,
		TEXT("When > 0, force the LODBlendRange property on all landscapes")	,
		FConsoleVariableDelegate::CreateStatic &	OnCVarNeedingRenderStateInvalidationChanged,
		ECVF_Cheat
	)

CVarLandscapeLODDistributionOverride()

FAutoConsoleVariableRef CVarLandscapeLODDistributionOverride	(	TEXT("landscape.OverrideLODDistribution")	,
		GLandscapeLODDistributionOverride	,
		TEXT("When > 0, force override the landscape LODDistributionSetting property on all landscapes, and ignore r.LandscapeLODDistributionScale")	,
		FConsoleVariableDelegate::CreateStatic &	OnCVarNeedingRenderStateInvalidationChanged,
		ECVF_Cheat
	)

CVarLandscapeLODDistributionScale()

FAutoConsoleVariableRef CVarLandscapeLODDistributionScale	(	TEXT("r.LandscapeLODDistributionScale")	,
		GLandscapeLODDistributionScale	,
		TEXT("Multiplier for the landscape LODDistributionSetting property")	,
		FConsoleVariableDelegate::CreateStatic &	OnCVarNeedingRenderStateInvalidationChanged,
		ECVF_Scalability
	)

CVarLandscapeNonNaniteVirtualShadowMapConstantDepthBiasOverrideOverride()

FAutoConsoleVariableRef CVarLandscapeNonNaniteVirtualShadowMapConstantDepthBiasOverrideOverride	(	TEXT("landscape.OverrideNonNaniteVirtualShadowMapConstantDepthBiasOverride")	,
		GLandscapeNonNaniteVirtualShadowMapConstantDepthBiasOverride	,
		TEXT("When > 0, force override the landscape NonNaniteVirtualShadowMapConstantDepthBias property on all landscapes")	,
		FConsoleVariableDelegate::CreateStatic &	OnCVarNeedingRenderStateInvalidationChanged,
		ECVF_Cheat
	)

CVarLandscapeNonNaniteVirtualShadowMapInvalidationHeightErrorThresholdOverride()

FAutoConsoleVariableRef CVarLandscapeNonNaniteVirtualShadowMapInvalidationHeightErrorThresholdOverride	(	TEXT("landscape.OverrideNonNaniteVirtualShadowMapInvalidationHeightErrorThreshold")	,
		GLandscapeNonNaniteVirtualShadowMapInvalidationHeightErrorThresholdOverride	,
		TEXT("When > 0, force override the landscape NonNaniteVirtualShadowMapInvalidationHeightErrorThreshold property on all landscapes")	,
		FConsoleVariableDelegate::CreateStatic &	OnCVarNeedingRenderStateInvalidationChanged,
		ECVF_Cheat
	)

CVarLandscapeNonNaniteVirtualShadowMapInvalidationLODAttenuationExponent()

FAutoConsoleVariableRef CVarLandscapeNonNaniteVirtualShadowMapInvalidationLODAttenuationExponent	(	TEXT("landscape.NonNaniteVirtualShadowMapInvalidationLODAttenuationExponent")	,
		GLandscapeNonNaniteVirtualShadowMapInvalidationLODAttenuationExponent	,
		TEXT("For non-Nanite landscape, controls the shape of the curve of the attenuation of the virtual shadow map pages' invalidation rate (1 - X^N), where X is the relative LOD value (LODValue/NumMips in the [0,1] range) and N, the CVar")	,
		ECVF_RenderThreadSafe|	ECVF_Scalability
	)

CVarLandscapeNonNaniteVirtualShadowMapInvalidationScreenSizeLimitOverride()

FAutoConsoleVariableRef CVarLandscapeNonNaniteVirtualShadowMapInvalidationScreenSizeLimitOverride	(	TEXT("landscape.OverrideNonNaniteVirtualShadowMapInvalidationScreenSizeLimit")	,
		GLandscapeNonNaniteVirtualShadowMapInvalidationScreenSizeLimitOverride	,
		TEXT("When > 0, force override the landscape NonNaniteVirtualShadowMapInvalidationScreenSizeLimit property on all landscapes")	,
		FConsoleVariableDelegate::CreateStatic &	OnCVarNeedingRenderStateInvalidationChanged,
		ECVF_Cheat
	)

CVarLandscapeRuntimeVirtualTextureRenderWithQuad()

FAutoConsoleVariableRef CVarLandscapeRuntimeVirtualTextureRenderWithQuad	(	TEXT("landscape.RuntimeVirtualTextureRenderWithQuad")	,
		GLandscapeRuntimeVirtualTextureRenderWithQuad	,
		TEXT("0 takes setting from landscape, 1 forces on, 2 forces off.")	,
		FConsoleVariableDelegate::CreateStatic &	OnCVarNeedingRenderStateInvalidationChanged,
		ECVF_RenderThreadSafe|	ECVF_Scalability
	)

IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT() [1/4]

IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT	(	FLandscapeFixedGridUniformShaderParameters	,
		"LandscapeFixedGrid"
	)

IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT() [2/4]

IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT	(	FLandscapeSectionLODUniformParameters	,
		"LandscapeContinuousLODParameters"
	)

IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT() [3/4]

IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT	(	FLandscapeUniformShaderParameters	,
		"LandscapeParameters"
	)

IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT() [4/4]

IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT	(	FLandscapeVertexFactoryMVFParameters	,
		"LandscapeMVF"
	)

IMPLEMENT_TYPE_LAYOUT() [1/3]

IMPLEMENT_TYPE_LAYOUT

(

FLandscapeFixedGridVertexFactoryVertexShaderParameters

)

IMPLEMENT_TYPE_LAYOUT() [2/3]

IMPLEMENT_TYPE_LAYOUT

(

FLandscapeVertexFactoryPixelShaderParameters

)

IMPLEMENT_TYPE_LAYOUT() [3/3]

IMPLEMENT_TYPE_LAYOUT

(

FLandscapeVertexFactoryVertexShaderParameters

)

IMPLEMENT_VERTEX_FACTORY_PARAMETER_TYPE() [1/4]

IMPLEMENT_VERTEX_FACTORY_PARAMETER_TYPE	(	FLandscapeFixedGridVertexFactory	,
		SF_Pixel	,
		FLandscapeVertexFactoryPixelShaderParameters
	)

IMPLEMENT_VERTEX_FACTORY_PARAMETER_TYPE() [2/4]

IMPLEMENT_VERTEX_FACTORY_PARAMETER_TYPE	(	FLandscapeFixedGridVertexFactory	,
		SF_Vertex	,
		FLandscapeFixedGridVertexFactoryVertexShaderParameters
	)

IMPLEMENT_VERTEX_FACTORY_PARAMETER_TYPE() [3/4]

IMPLEMENT_VERTEX_FACTORY_PARAMETER_TYPE	(	FLandscapeVertexFactory	,
		SF_Pixel	,
		FLandscapeVertexFactoryPixelShaderParameters
	)

IMPLEMENT_VERTEX_FACTORY_PARAMETER_TYPE() [4/4]

IMPLEMENT_VERTEX_FACTORY_PARAMETER_TYPE	(	FLandscapeVertexFactory	,
		SF_Vertex	,
		FLandscapeVertexFactoryVertexShaderParameters
	)

IMPLEMENT_VERTEX_FACTORY_TYPE() [1/2]

IMPLEMENT_VERTEX_FACTORY_TYPE	(	FLandscapeFixedGridVertexFactory	,
		"/Engine/Private/LandscapeVertexFactory.ush"	,
		EVertexFactoryFlags::UsedWithMaterials|EVertexFactoryFlags::SupportsStaticLighting|EVertexFactoryFlags::SupportsDynamicLighting|EVertexFactoryFlags::SupportsCachingMeshDrawCommands|EVertexFactoryFlags::SupportsRayTracing|EVertexFactoryFlags::SupportsRayTracingDynamicGeometry|EVertexFactoryFlags::SupportsLightmapBaking|EVertexFactoryFlags::SupportsPrimitiveIdStream|EVertexFactoryFlags::SupportsPSOPrecaching|EVertexFactoryFlags::SupportsLumenMeshCards|EVertexFactoryFlags::SupportsLandscape
	)

IMPLEMENT_VERTEX_FACTORY_TYPE() [2/2]

IMPLEMENT_VERTEX_FACTORY_TYPE	(	FLandscapeVertexFactory	,
		"/Engine/Private/LandscapeVertexFactory.ush"	,
		EVertexFactoryFlags::UsedWithMaterials|EVertexFactoryFlags::SupportsStaticLighting|EVertexFactoryFlags::SupportsDynamicLighting|EVertexFactoryFlags::SupportsCachingMeshDrawCommands|EVertexFactoryFlags::SupportsRayTracing|EVertexFactoryFlags::SupportsRayTracingDynamicGeometry|EVertexFactoryFlags::SupportsLightmapBaking|EVertexFactoryFlags::SupportsPrimitiveIdStream|EVertexFactoryFlags::SupportsPSOPrecaching|EVertexFactoryFlags::SupportsLandscape
	)

Variable Documentation

CVarLandscapeUseAsyncTasksForLODComputation

FAutoConsoleVariableRef CVarLandscapeUseAsyncTasksForLODComputation(TEXT("r.LandscapeUseAsyncTasksForLODComputation"), GLandscapeUseAsyncTasksForLODComputation, TEXT("Use async tasks for computing per-landscape component LOD biases."), ECVF_RenderThreadSafe)	(	TEXT("r.LandscapeUseAsyncTasksForLODComputation")	,
		GLandscapeUseAsyncTasksForLODComputation	,
		TEXT("Use async tasks for computing per-landscape component LOD biases.")	,
		ECVF_RenderThreadSafe
	)

CVarStaticMeshLODDistanceScale

RENDERER_API TAutoConsoleVariable<float> CVarStaticMeshLODDistanceScale

extern

GAllowLandscapeShadows

int32 GAllowLandscapeShadows = 1

GDisableLandscapeNaniteGI

int32 GDisableLandscapeNaniteGI = 1

GGrassMapAlwaysBuildRuntimeGenerationResources

int32 GGrassMapAlwaysBuildRuntimeGenerationResources

extern

GGrassMapUseRuntimeGeneration

int32 GGrassMapUseRuntimeGeneration

extern

GLandscapeAllowNanitePerClusterDisplacementDisable

int32 GLandscapeAllowNanitePerClusterDisplacementDisable = 1

GLandscapeAllowNonNaniteVirtualShadowMapInvalidation

bool GLandscapeAllowNonNaniteVirtualShadowMapInvalidation = true

GLandscapeDebugOptions

FLandscapeDebugOptions GLandscapeDebugOptions

GLandscapeLOD0DistributionOverride

float GLandscapeLOD0DistributionOverride = -1.f

GLandscapeLOD0DistributionScale

float GLandscapeLOD0DistributionScale = 1.f

GLandscapeLOD0ScreenSizeOverride

float GLandscapeLOD0ScreenSizeOverride = -1.f

GLandscapeLODBlendRangeOverride

float GLandscapeLODBlendRangeOverride = -1.f

GLandscapeLODDistributionOverride

float GLandscapeLODDistributionOverride = -1.f

GLandscapeLODDistributionScale

float GLandscapeLODDistributionScale = 1.f

GLandscapeNonNaniteVirtualShadowMapConstantDepthBiasOverride

float GLandscapeNonNaniteVirtualShadowMapConstantDepthBiasOverride = -1.f

GLandscapeNonNaniteVirtualShadowMapInvalidationHeightErrorThresholdOverride

float GLandscapeNonNaniteVirtualShadowMapInvalidationHeightErrorThresholdOverride = -1.f

GLandscapeNonNaniteVirtualShadowMapInvalidationLODAttenuationExponent

float GLandscapeNonNaniteVirtualShadowMapInvalidationLODAttenuationExponent = 2.0f

GLandscapeNonNaniteVirtualShadowMapInvalidationScreenSizeLimitOverride

float GLandscapeNonNaniteVirtualShadowMapInvalidationScreenSizeLimitOverride = -1.f

GLandscapeRayTracingLODBias

int32 GLandscapeRayTracingLODBias = 0

GLandscapeRayTracingSections

int32 GLandscapeRayTracingSections = 1

GLandscapeRuntimeVirtualTextureRenderWithQuad

int32 GLandscapeRuntimeVirtualTextureRenderWithQuad = 0

GLandscapeUseAsyncTasksForLODComputation

int32 GLandscapeUseAsyncTasksForLODComputation = 1

GVarDumpLandscapeLODsCurrentFrame

uint32 GVarDumpLandscapeLODsCurrentFrame = 0

GVarDumpLandscapeLODsDetails

bool GVarDumpLandscapeLODsDetails = false

LandscapeRenderSystems

TMap<uint32, FLandscapeRenderSystem*> LandscapeRenderSystems