#include "VolumetricCloudRendering.h"
#include "Components/VolumetricCloudComponent.h"
#include "VolumetricCloudProxy.h"
#include "DeferredShadingRenderer.h"
#include "MeshPassUtils.h"
#include "PixelShaderUtils.h"
#include "RenderGraphUtils.h"
#include "ScenePrivate.h"
#include "SceneProxies/SkyAtmosphereSceneProxy.h"
#include "SceneProxies/SkyLightSceneProxy.h"
#include "MeshPassProcessor.inl"
#include "StaticMeshResources.h"
#include "DynamicMeshBuilder.h"
#include "SkyAtmosphereRendering.h"
#include "VolumeLighting.h"
#include "DynamicPrimitiveDrawing.h"
#include "ShaderPrint.h"
#include "CanvasTypes.h"
#include "VolumetricRenderTarget.h"
#include "BlueNoise.h"
#include "FogRendering.h"
#include "BasePassRendering.h"
#include "EnvironmentComponentsFlags.h"
#include "SceneRendererInterface.h"
#include "PostProcess/PostProcessing.h"

Classes
class	FRenderVolumetricCloudVS

class	FRenderVolumetricCloudRenderViewPs< Permutation >

class	FRenderVolumetricCloudRenderViewCS

class	FRenderVolumetricCloudEmptySpaceSkippingCS

class	FSingleTriangleMeshVertexBuffer

class	FSingleTriangleMeshVertexFactory

class	FVolumetricCloudRenderViewMeshProcessor

class	FVolumetricCloudShadowPS

class	FVolumetricCloudRenderShadowMeshProcessor

class	FDrawDebugCloudShadowCS

class	FCloudShadowFilterCS

class	FCloudShadowTemporalProcessCS

Macros
#define	CLOUD_DEBUG_SAMPLES 0 /!Never check in enabled!/

#define	IMPLEMENT_CLOUD_RENDERVIEW_PS(A, B, C)

Enumerations
enum	EVolumetricCloudRenderViewPsPermutations { CloudPs_AtmoTrans0_SampleShad0_2ndLight0 , CloudPs_AtmoTrans1_SampleShad0_2ndLight0 , CloudPs_AtmoTrans0_SampleShad1_2ndLight0 , CloudPs_AtmoTrans1_SampleShad1_2ndLight0 , CloudPs_AtmoTrans0_SampleShad0_2ndLight1 , CloudPs_AtmoTrans1_SampleShad0_2ndLight1 , CloudPs_AtmoTrans0_SampleShad1_2ndLight1 , CloudPs_AtmoTrans1_SampleShad1_2ndLight1 , CloudPsCount }

Functions
bool	ShouldRenderVolumetricCloud (const FScene *Scene, const FEngineShowFlags &EngineShowFlags)

bool	ShouldRenderVolumetricCloudWithBlueNoise_GameThread (const FScene *Scene, const FSceneView &View)

bool	ShouldViewVisualizeVolumetricCloudConservativeDensity (const FViewInfo &ViewInfo, const FEngineShowFlags &EngineShowFlags)

bool	VolumetricCloudWantsToSampleLocalLights (const FScene *Scene, const FEngineShowFlags &EngineShowFlags)

bool	ShouldVolumetricCloudTraceWithMinMaxDepth (const FViewInfo &ViewInfo)

bool	ShouldVolumetricCloudTraceWithMinMaxDepth (const TArray< FViewInfo > &Views)

bool	VolumetricCloudWantsSeparatedAtmosphereMieRayLeigh (const FScene *Scene)

bool	ShouldVolumetricCloudsApplyFogDuringReconstruction (const FViewInfo &ViewInfo)

FRDGTextureDesc	GetVolumetricCloudSkyAORDGTextureDesc (const FIntPoint &Size)

FVolumetricCloudShadowAOParameters	GetCloudShadowAOParameters (FRDGBuilder &GraphBuilder, const FViewInfo &View, const FVolumetricCloudRenderSceneInfo *CloudInfo)

void	GetCloudShadowAOData (const FVolumetricCloudRenderSceneInfo *CloudInfo, const FViewInfo &View, FRDGBuilder &GraphBuilder, FCloudShadowAOData &OutData)

	DECLARE_GPU_STAT (VolumetricCloud)

	DECLARE_GPU_STAT (VolumetricCloudShadow)

FORCEINLINE bool	IsVolumetricCloudMaterialSupported (const EShaderPlatform ShaderPlatform)

FORCEINLINE bool	IsMaterialCompatibleWithVolumetricCloud (const FMaterialShaderParameters &Material, const EShaderPlatform Platform)

	IMPLEMENT_STATIC_UNIFORM_BUFFER_STRUCT (FRenderVolumetricCloudGlobalParameters, "RenderVolumetricCloudParameters", SceneTextures)

	IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT (FVolumetricCloudCommonGlobalShaderParameters, "VolumetricCloudCommonParameters")

uint32	GetVolumetricCloudDebugViewMode (const FEngineShowFlags &ShowFlags)

void	SetupDefaultRenderVolumetricCloudGlobalParameters (FRDGBuilder &GraphBuilder, FRenderVolumetricCloudGlobalParameters &VolumetricCloudParams, FVolumetricCloudRenderSceneInfo &CloudInfo, FViewInfo &ViewInfo, bool bForceNonLateFogOnCloud=false)

	IMPLEMENT_MATERIAL_SHADER_TYPE (, FRenderVolumetricCloudVS, TEXT("/Engine/Private/VolumetricCloud.usf"), TEXT("MainVS"), SF_Vertex)

	IMPLEMENT_CLOUD_RENDERVIEW_PS (0, 0, 0)

	IMPLEMENT_CLOUD_RENDERVIEW_PS (1, 0, 0)

	IMPLEMENT_CLOUD_RENDERVIEW_PS (0, 1, 0)

	IMPLEMENT_CLOUD_RENDERVIEW_PS (1, 1, 0)

	IMPLEMENT_CLOUD_RENDERVIEW_PS (0, 0, 1)

	IMPLEMENT_CLOUD_RENDERVIEW_PS (1, 0, 1)

	IMPLEMENT_CLOUD_RENDERVIEW_PS (0, 1, 1)

	IMPLEMENT_CLOUD_RENDERVIEW_PS (1, 1, 1)

	IMPLEMENT_MATERIAL_SHADER_TYPE (, FRenderVolumetricCloudRenderViewCS, TEXT("/Engine/Private/VolumetricCloud.usf"), TEXT("MainCS"), SF_Compute)

	IMPLEMENT_MATERIAL_SHADER_TYPE (, FRenderVolumetricCloudEmptySpaceSkippingCS, TEXT("/Engine/Private/VolumetricCloud.usf"), TEXT("MainCS"), SF_Compute)

	IMPLEMENT_MATERIAL_SHADER_TYPE (, FVolumetricCloudShadowPS, TEXT("/Engine/Private/VolumetricCloud.usf"), TEXT("MainPS"), SF_Pixel)

IPSOCollector *	CreatePSOCollectorVolumetricCloudRenderShadow (ERHIFeatureLevel::Type FeatureLevel)

	IMPLEMENT_GLOBAL_SHADER (FDrawDebugCloudShadowCS, "/Engine/Private/VolumetricCloud.usf", "MainDrawDebugShadowCS", SF_Compute)

	IMPLEMENT_GLOBAL_SHADER (FCloudShadowFilterCS, "/Engine/Private/VolumetricCloud.usf", "MainShadowFilterCS", SF_Compute)

	IMPLEMENT_GLOBAL_SHADER (FCloudShadowTemporalProcessCS, "/Engine/Private/VolumetricCloud.usf", "MainShadowTemporalProcessCS", SF_Compute)

void	CleanUpCloudDataFunction (TArray< FViewInfo > &Views)

bool	SetupLightCloudTransmittanceParameters (FRDGBuilder &GraphBuilder, const FScene Scene, const FViewInfo &View, const FLightSceneInfo LightSceneInfo, FLightCloudTransmittanceParameters &OutParameters)

bool	LightMayCastCloudShadow (const FScene Scene, const FViewInfo &View, const FLightSceneInfo LightSceneInfo)

Variables
FRegisterPSOCollectorCreateFunction RegisterPSOCollectorVolumetricCloudRenderShadow &	CreatePSOCollectorVolumetricCloudRenderShadow

Macro Definition Documentation

◆ CLOUD_DEBUG_SAMPLES

#define CLOUD_DEBUG_SAMPLES 0 /*!Never check in enabled!*/

◆ IMPLEMENT_CLOUD_RENDERVIEW_PS

#define IMPLEMENT_CLOUD_RENDERVIEW_PS	(	A,
		B,
		C
	)

Value:

typedef FRenderVolumetricCloudRenderViewPs<CloudPs_AtmoTrans##A##_SampleShad##B##_2ndLight##C> FCloudRenderViewPS##A##B##C; \

IMPLEMENT_MATERIAL_SHADER_TYPE(template<>, FCloudRenderViewPS##A##B##C, TEXT("/Engine/Private/VolumetricCloud.usf"), TEXT("MainPS"), SF_Pixel)

@ C

@ A

@ B

#define TEXT(x)

Definition Platform.h:1272

StaticCastSharedRef

UE_FORCEINLINE_HINT TSharedRef< CastToType, Mode > StaticCastSharedRef(TSharedRef< CastFromType, Mode > const &InSharedRef)

Definition SharedPointer.h:127

SF_Pixel

@ SF_Pixel

Definition RHIDefinitions.h:206

FRenderVolumetricCloudRenderViewPs

Definition VolumetricCloudRendering.cpp:812

Enumeration Type Documentation

◆ EVolumetricCloudRenderViewPsPermutations

enum EVolumetricCloudRenderViewPsPermutations

Enumerator
CloudPs_AtmoTrans0_SampleShad0_2ndLight0
CloudPs_AtmoTrans1_SampleShad0_2ndLight0
CloudPs_AtmoTrans0_SampleShad1_2ndLight0
CloudPs_AtmoTrans1_SampleShad1_2ndLight0
CloudPs_AtmoTrans0_SampleShad0_2ndLight1
CloudPs_AtmoTrans1_SampleShad0_2ndLight1
CloudPs_AtmoTrans0_SampleShad1_2ndLight1
CloudPs_AtmoTrans1_SampleShad1_2ndLight1
CloudPsCount

Function Documentation

◆ CleanUpCloudDataFunction()

void CleanUpCloudDataFunction ( TArray< FViewInfo > & Views )

◆ CreatePSOCollectorVolumetricCloudRenderShadow()

IPSOCollector * CreatePSOCollectorVolumetricCloudRenderShadow ( ERHIFeatureLevel::Type FeatureLevel )

◆ DECLARE_GPU_STAT() [1/2]

DECLARE_GPU_STAT ( VolumetricCloud )

◆ DECLARE_GPU_STAT() [2/2]

DECLARE_GPU_STAT ( VolumetricCloudShadow )

◆ GetCloudShadowAOData()

void GetCloudShadowAOData	(	const FVolumetricCloudRenderSceneInfo *	CloudInfo,
		const FViewInfo &	View,
		FRDGBuilder &	GraphBuilder,
		FCloudShadowAOData &	OutData
	)

◆ GetCloudShadowAOParameters()

FVolumetricCloudShadowAOParameters GetCloudShadowAOParameters	(	FRDGBuilder &	GraphBuilder,
		const FViewInfo &	View,
		const FVolumetricCloudRenderSceneInfo *	CloudInfo
	)

◆ GetVolumetricCloudDebugViewMode()

uint32 GetVolumetricCloudDebugViewMode ( const FEngineShowFlags & ShowFlags )

◆ GetVolumetricCloudSkyAORDGTextureDesc()

FRDGTextureDesc GetVolumetricCloudSkyAORDGTextureDesc ( const FIntPoint & Size )

◆ IMPLEMENT_CLOUD_RENDERVIEW_PS() [1/8]

IMPLEMENT_CLOUD_RENDERVIEW_PS	(	0	,
		0	,
		0
	)

◆ IMPLEMENT_CLOUD_RENDERVIEW_PS() [2/8]

IMPLEMENT_CLOUD_RENDERVIEW_PS	(	0	,
		0	,
		1
	)

◆ IMPLEMENT_CLOUD_RENDERVIEW_PS() [3/8]

IMPLEMENT_CLOUD_RENDERVIEW_PS	(	0	,
		1	,
		0
	)

◆ IMPLEMENT_CLOUD_RENDERVIEW_PS() [4/8]

IMPLEMENT_CLOUD_RENDERVIEW_PS	(	0	,
		1	,
		1
	)

◆ IMPLEMENT_CLOUD_RENDERVIEW_PS() [5/8]

IMPLEMENT_CLOUD_RENDERVIEW_PS	(	1	,
		0	,
		0
	)

◆ IMPLEMENT_CLOUD_RENDERVIEW_PS() [6/8]

IMPLEMENT_CLOUD_RENDERVIEW_PS	(	1	,
		0	,
		1
	)

◆ IMPLEMENT_CLOUD_RENDERVIEW_PS() [7/8]

IMPLEMENT_CLOUD_RENDERVIEW_PS	(	1	,
		1	,
		0
	)

◆ IMPLEMENT_CLOUD_RENDERVIEW_PS() [8/8]

IMPLEMENT_CLOUD_RENDERVIEW_PS	(	1	,
		1	,
		1
	)

◆ IMPLEMENT_GLOBAL_SHADER() [1/3]

IMPLEMENT_GLOBAL_SHADER	(	FCloudShadowFilterCS	,
		"/Engine/Private/VolumetricCloud.usf"	,
		"MainShadowFilterCS"	,
		SF_Compute
	)

◆ IMPLEMENT_GLOBAL_SHADER() [2/3]

IMPLEMENT_GLOBAL_SHADER	(	FCloudShadowTemporalProcessCS	,
		"/Engine/Private/VolumetricCloud.usf"	,
		"MainShadowTemporalProcessCS"	,
		SF_Compute
	)

◆ IMPLEMENT_GLOBAL_SHADER() [3/3]

IMPLEMENT_GLOBAL_SHADER	(	FDrawDebugCloudShadowCS	,
		"/Engine/Private/VolumetricCloud.usf"	,
		"MainDrawDebugShadowCS"	,
		SF_Compute
	)

◆ IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT()

IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT	(	FVolumetricCloudCommonGlobalShaderParameters	,
		"VolumetricCloudCommonParameters"
	)

◆ IMPLEMENT_MATERIAL_SHADER_TYPE() [1/4]

IMPLEMENT_MATERIAL_SHADER_TYPE	(	FRenderVolumetricCloudEmptySpaceSkippingCS	,
		TEXT("/Engine/Private/VolumetricCloud.usf")	,
		TEXT("MainCS")	,
		SF_Compute
	)

◆ IMPLEMENT_MATERIAL_SHADER_TYPE() [2/4]

IMPLEMENT_MATERIAL_SHADER_TYPE	(	FRenderVolumetricCloudRenderViewCS	,
		TEXT("/Engine/Private/VolumetricCloud.usf")	,
		TEXT("MainCS")	,
		SF_Compute
	)

◆ IMPLEMENT_MATERIAL_SHADER_TYPE() [3/4]

IMPLEMENT_MATERIAL_SHADER_TYPE	(	FRenderVolumetricCloudVS	,
		TEXT("/Engine/Private/VolumetricCloud.usf")	,
		TEXT("MainVS")	,
		SF_Vertex
	)

◆ IMPLEMENT_MATERIAL_SHADER_TYPE() [4/4]

IMPLEMENT_MATERIAL_SHADER_TYPE	(	FVolumetricCloudShadowPS	,
		TEXT("/Engine/Private/VolumetricCloud.usf")	,
		TEXT("MainPS")	,
		SF_Pixel
	)

◆ IMPLEMENT_STATIC_UNIFORM_BUFFER_STRUCT()

IMPLEMENT_STATIC_UNIFORM_BUFFER_STRUCT	(	FRenderVolumetricCloudGlobalParameters	,
		"RenderVolumetricCloudParameters"	,
		SceneTextures
	)

◆ IsMaterialCompatibleWithVolumetricCloud()

FORCEINLINE bool IsMaterialCompatibleWithVolumetricCloud	(	const FMaterialShaderParameters &	Material,
		const EShaderPlatform	Platform
	)

◆ IsVolumetricCloudMaterialSupported()

FORCEINLINE bool IsVolumetricCloudMaterialSupported ( const EShaderPlatform ShaderPlatform )

◆ LightMayCastCloudShadow()

bool LightMayCastCloudShadow	(	const FScene *	Scene,
		const FViewInfo &	View,
		const FLightSceneInfo *	LightSceneInfo
	)

◆ SetupDefaultRenderVolumetricCloudGlobalParameters()

void SetupDefaultRenderVolumetricCloudGlobalParameters	(	FRDGBuilder &	GraphBuilder,
		FRenderVolumetricCloudGlobalParameters &	VolumetricCloudParams,
		FVolumetricCloudRenderSceneInfo &	CloudInfo,
		FViewInfo &	ViewInfo,
		bool	bForceNonLateFogOnCloud = `false`
	)

◆ SetupLightCloudTransmittanceParameters()

bool SetupLightCloudTransmittanceParameters	(	FRDGBuilder &	GraphBuilder,
		const FScene *	Scene,
		const FViewInfo &	View,
		const FLightSceneInfo *	LightSceneInfo,
		FLightCloudTransmittanceParameters &	OutParameters
	)

◆ ShouldRenderVolumetricCloud()

bool ShouldRenderVolumetricCloud	(	const FScene *	Scene,
		const FEngineShowFlags &	EngineShowFlags
	)

◆ ShouldRenderVolumetricCloudWithBlueNoise_GameThread()

bool ShouldRenderVolumetricCloudWithBlueNoise_GameThread	(	const FScene *	Scene,
		const FSceneView &	View
	)

◆ ShouldViewVisualizeVolumetricCloudConservativeDensity()

bool ShouldViewVisualizeVolumetricCloudConservativeDensity	(	const FViewInfo &	ViewInfo,
		const FEngineShowFlags &	EngineShowFlags
	)

◆ ShouldVolumetricCloudsApplyFogDuringReconstruction()

bool ShouldVolumetricCloudsApplyFogDuringReconstruction ( const FViewInfo & ViewInfo )

◆ ShouldVolumetricCloudTraceWithMinMaxDepth() [1/2]

bool ShouldVolumetricCloudTraceWithMinMaxDepth ( const FViewInfo & ViewInfo )

◆ ShouldVolumetricCloudTraceWithMinMaxDepth() [2/2]

bool ShouldVolumetricCloudTraceWithMinMaxDepth ( const TArray< FViewInfo > & Views )

◆ VolumetricCloudWantsSeparatedAtmosphereMieRayLeigh()

bool VolumetricCloudWantsSeparatedAtmosphereMieRayLeigh ( const FScene * Scene )

◆ VolumetricCloudWantsToSampleLocalLights()

bool VolumetricCloudWantsToSampleLocalLights	(	const FScene *	Scene,
		const FEngineShowFlags &	EngineShowFlags
	)

Variable Documentation

◆ CreatePSOCollectorVolumetricCloudRenderShadow

FRegisterPSOCollectorCreateFunction RegisterPSOCollectorVolumetricCloudRenderShadow& CreatePSOCollectorVolumetricCloudRenderShadow

Classes

Macros

Enumerations

Functions

Variables