VolumetricFogVoxelization.cpp File Reference

#include "VolumetricFog.h"
#include "RendererPrivate.h"
#include "ScenePrivate.h"
#include "SceneUtils.h"
#include "VolumetricFogShared.h"
#include "LocalVertexFactory.h"
#include "DynamicMeshBuilder.h"
#include "SpriteIndexBuffer.h"
#include "StaticMeshResources.h"
#include "MeshPassProcessor.inl"
#include "VolumetricCloudRendering.h"
#include "HeterogeneousVolumes/HeterogeneousVolumes.h"
#include "SceneUniformBuffer.h"

Classes
class	FQuadMeshVertexBuffer
class	FQuadMeshVertexFactory
class	FVoxelizeVolumeShaderElementData
class	FVoxelizeVolumeVS
class	TVoxelizeVolumeVS< Mode >
class	FVoxelizeVolumeGS
class	TVoxelizeVolumeGS< Mode >
class	FVoxelizeVolumePS
class	TVoxelizeVolumePS< Mode >
class	FVoxelizeVolumeMeshProcessor

Enumerations
enum	EVoxelizeShapeMode { VMode_Primitive_Sphere , VMode_Object_Box }

Functions
	IMPLEMENT_STATIC_UNIFORM_BUFFER_STRUCT (FVoxelizeVolumePassUniformParameters, "VoxelizeVolumePass", SceneTextures)
TRDGUniformBufferRef< FVoxelizeVolumePassUniformParameters >	CreateVoxelizeVolumePassUniformBuffer (FRDGBuilder &GraphBuilder, const FViewInfo &View, const FVolumetricFogIntegrationParameterData &IntegrationData, FVector2D Jitter, const FVolumetricCloudRenderSceneInfo *CloudInfo)
	IMPLEMENT_MATERIAL_SHADER_TYPE (template<>, TVoxelizeVolumeVS< VMode_Primitive_Sphere >, TEXT("/Engine/Private/VolumetricFogVoxelization.usf"), TEXT("VoxelizeVS"), SF_Vertex)
	IMPLEMENT_MATERIAL_SHADER_TYPE (template<>, TVoxelizeVolumeVS< VMode_Object_Box >, TEXT("/Engine/Private/VolumetricFogVoxelization.usf"), TEXT("VoxelizeVS"), SF_Vertex)
	IMPLEMENT_MATERIAL_SHADER_TYPE (template<>, TVoxelizeVolumeGS< VMode_Primitive_Sphere >, TEXT("/Engine/Private/VolumetricFogVoxelization.usf"), TEXT("VoxelizeGS"), SF_Geometry)
	IMPLEMENT_MATERIAL_SHADER_TYPE (template<>, TVoxelizeVolumeGS< VMode_Object_Box >, TEXT("/Engine/Private/VolumetricFogVoxelization.usf"), TEXT("VoxelizeGS"), SF_Geometry)
	IMPLEMENT_MATERIAL_SHADER_TYPE (template<>, TVoxelizeVolumePS< VMode_Primitive_Sphere >, TEXT("/Engine/Private/VolumetricFogVoxelization.usf"), TEXT("VoxelizePS"), SF_Pixel)
	IMPLEMENT_MATERIAL_SHADER_TYPE (template<>, TVoxelizeVolumePS< VMode_Object_Box >, TEXT("/Engine/Private/VolumetricFogVoxelization.usf"), TEXT("VoxelizePS"), SF_Pixel)
IPSOCollector *	CreatePSOCollectorVoxelizeVolume (ERHIFeatureLevel::Type FeatureLevel)
void	VoxelizeVolumePrimitive (FVoxelizeVolumeMeshProcessor &PassMeshProcessor, const FViewInfo &View, FIntVector VolumetricFogViewGridSize, FVector GridZParams, const FPrimitiveSceneProxy *PrimitiveSceneProxy, const FMeshBatch &OriginalMesh)

Variables
int32	GVolumetricFogVoxelizationSlicesPerGSPass = 8
FAutoConsoleVariableRef	CVarVolumetricFogVoxelizationSlicesPerPass (TEXT("r.VolumetricFog.VoxelizationSlicesPerGSPass"), GVolumetricFogVoxelizationSlicesPerGSPass, TEXT("How many depth slices to render in a single voxelization pass (max geometry shader expansion). Must recompile voxelization shaders to propagate changes."), ECVF_ReadOnly)
int32	GVolumetricFogVoxelizationShowOnlyPassIndex = -1
FAutoConsoleVariableRef	CVarVolumetricFogVoxelizationShowOnlyPassIndex (TEXT("r.VolumetricFog.VoxelizationShowOnlyPassIndex"), GVolumetricFogVoxelizationShowOnlyPassIndex, TEXT("When >= 0, indicates a single voxelization pass to render for debugging."), ECVF_RenderThreadSafe)
TGlobalResource< FQuadMeshVertexBuffer >	GQuadMeshVertexBuffer
TGlobalResource< FSpriteIndexBuffer< 1 > >	GQuadMeshIndexBuffer
FQuadMeshVertexFactory *	GQuadMeshVertexFactory = NULL
FRegisterPSOCollectorCreateFunction RegisterPSOCollectorVoxelizeVolume &	CreatePSOCollectorVoxelizeVolume

Enumeration Type Documentation

EVoxelizeShapeMode

enum EVoxelizeShapeMode

Enumerator
VMode_Primitive_Sphere
VMode_Object_Box

Function Documentation

CreatePSOCollectorVoxelizeVolume()

IPSOCollector * CreatePSOCollectorVoxelizeVolume

(

ERHIFeatureLevel::Type

FeatureLevel

)

CreateVoxelizeVolumePassUniformBuffer()

TRDGUniformBufferRef< FVoxelizeVolumePassUniformParameters > CreateVoxelizeVolumePassUniformBuffer	(	FRDGBuilder &	GraphBuilder,
		const FViewInfo &	View,
		const FVolumetricFogIntegrationParameterData &	IntegrationData,
		FVector2D	Jitter,
		const FVolumetricCloudRenderSceneInfo *	CloudInfo
	)

IMPLEMENT_MATERIAL_SHADER_TYPE() [1/6]

IMPLEMENT_MATERIAL_SHADER_TYPE	(	template<>	,
		TVoxelizeVolumeGS< VMode_Object_Box >	,
		TEXT("/Engine/Private/VolumetricFogVoxelization.usf")	,
		TEXT("VoxelizeGS")	,
		SF_Geometry
	)

IMPLEMENT_MATERIAL_SHADER_TYPE() [2/6]

IMPLEMENT_MATERIAL_SHADER_TYPE	(	template<>	,
		TVoxelizeVolumeGS< VMode_Primitive_Sphere >	,
		TEXT("/Engine/Private/VolumetricFogVoxelization.usf")	,
		TEXT("VoxelizeGS")	,
		SF_Geometry
	)

IMPLEMENT_MATERIAL_SHADER_TYPE() [3/6]

IMPLEMENT_MATERIAL_SHADER_TYPE	(	template<>	,
		TVoxelizeVolumePS< VMode_Object_Box >	,
		TEXT("/Engine/Private/VolumetricFogVoxelization.usf")	,
		TEXT("VoxelizePS")	,
		SF_Pixel
	)

IMPLEMENT_MATERIAL_SHADER_TYPE() [4/6]

IMPLEMENT_MATERIAL_SHADER_TYPE	(	template<>	,
		TVoxelizeVolumePS< VMode_Primitive_Sphere >	,
		TEXT("/Engine/Private/VolumetricFogVoxelization.usf")	,
		TEXT("VoxelizePS")	,
		SF_Pixel
	)

IMPLEMENT_MATERIAL_SHADER_TYPE() [5/6]

IMPLEMENT_MATERIAL_SHADER_TYPE	(	template<>	,
		TVoxelizeVolumeVS< VMode_Object_Box >	,
		TEXT("/Engine/Private/VolumetricFogVoxelization.usf")	,
		TEXT("VoxelizeVS")	,
		SF_Vertex
	)

IMPLEMENT_MATERIAL_SHADER_TYPE() [6/6]

IMPLEMENT_MATERIAL_SHADER_TYPE	(	template<>	,
		TVoxelizeVolumeVS< VMode_Primitive_Sphere >	,
		TEXT("/Engine/Private/VolumetricFogVoxelization.usf")	,
		TEXT("VoxelizeVS")	,
		SF_Vertex
	)

IMPLEMENT_STATIC_UNIFORM_BUFFER_STRUCT()

IMPLEMENT_STATIC_UNIFORM_BUFFER_STRUCT	(	FVoxelizeVolumePassUniformParameters	,
		"VoxelizeVolumePass"	,
		SceneTextures
	)

VoxelizeVolumePrimitive()

void VoxelizeVolumePrimitive	(	FVoxelizeVolumeMeshProcessor &	PassMeshProcessor,
		const FViewInfo &	View,
		FIntVector	VolumetricFogViewGridSize,
		FVector	GridZParams,
		const FPrimitiveSceneProxy *	PrimitiveSceneProxy,
		const FMeshBatch &	OriginalMesh
	)

Variable Documentation

CreatePSOCollectorVoxelizeVolume

FRegisterPSOCollectorCreateFunction RegisterPSOCollectorVoxelizeVolume& CreatePSOCollectorVoxelizeVolume

CVarVolumetricFogVoxelizationShowOnlyPassIndex

FAutoConsoleVariableRef CVarVolumetricFogVoxelizationShowOnlyPassIndex(TEXT("r.VolumetricFog.VoxelizationShowOnlyPassIndex"), GVolumetricFogVoxelizationShowOnlyPassIndex, TEXT("When >= 0, indicates a single voxelization pass to render for debugging."), ECVF_RenderThreadSafe)	(	TEXT("r.VolumetricFog.VoxelizationShowOnlyPassIndex")	,
		GVolumetricFogVoxelizationShowOnlyPassIndex	,
		TEXT("When >= 0, indicates a single voxelization pass to render for debugging.")	,
		ECVF_RenderThreadSafe
	)

CVarVolumetricFogVoxelizationSlicesPerPass

FAutoConsoleVariableRef CVarVolumetricFogVoxelizationSlicesPerPass(TEXT("r.VolumetricFog.VoxelizationSlicesPerGSPass"), GVolumetricFogVoxelizationSlicesPerGSPass, TEXT("How many depth slices to render in a single voxelization pass (max geometry shader expansion). Must recompile voxelization shaders to propagate changes."), ECVF_ReadOnly)	(	TEXT("r.VolumetricFog.VoxelizationSlicesPerGSPass")	,
		GVolumetricFogVoxelizationSlicesPerGSPass	,
		TEXT("How many depth slices to render in a single voxelization pass (max geometry shader expansion). Must recompile voxelization shaders to propagate changes.")	,
		ECVF_ReadOnly
	)

GQuadMeshIndexBuffer

TGlobalResource<FSpriteIndexBuffer<1> > GQuadMeshIndexBuffer

GQuadMeshVertexBuffer

TGlobalResource<FQuadMeshVertexBuffer> GQuadMeshVertexBuffer

GQuadMeshVertexFactory

FQuadMeshVertexFactory* GQuadMeshVertexFactory = NULL

GVolumetricFogVoxelizationShowOnlyPassIndex

int32 GVolumetricFogVoxelizationShowOnlyPassIndex = -1

GVolumetricFogVoxelizationSlicesPerGSPass

int32 GVolumetricFogVoxelizationSlicesPerGSPass = 8