#include "HairStrandsVoxelization.h"
#include "HairStrandsRasterCommon.h"
#include "HairStrandsUtils.h"
#include "HairStrandsLUT.h"
#include "Shader.h"
#include "GlobalShader.h"
#include "ShaderParameters.h"
#include "ShaderParameterStruct.h"
#include "SceneTextureParameters.h"
#include "ShaderPrintParameters.h"
#include "RenderGraphUtils.h"
#include "PostProcess/PostProcessing.h"
#include "ScenePrivate.h"
#include "DataDrivenShaderPlatformInfo.h"

Classes
class	FVirtualVoxelInjectOpaqueCS

class	FVoxelAllocatePageIndexCS

class	FVoxelMarkValidPageIndex_PrepareCS

class	FVoxelAllocateVoxelPageCS

class	FVoxelAddNodeDescCS

class	FVoxelAddIndirectBufferCS

class	FVoxelIndPageClearCS

class	FVoxelAdaptiveFeedbackCS

class	FVoxelRasterComputeCS

struct	FInstanceData

class	FVirtualVoxelGenerateMipCS

class	FVirtualVoxelIndirectArgMipCS

Functions
	DECLARE_GPU_STAT (HairStrandsIndVoxelPageClear)

	DECLARE_GPU_STAT (HairStrandsVoxelize)

	DECLARE_GPU_STAT (HairStrandsDensityMipGen)

void	GetVoxelPageResolution (uint32 &OutPageResolution, uint32 &OutPageResolutionLog2)

bool	IsHairStrandsVoxelizationEnable (EShaderPlatform ShaderPlatform)
	Global enable/disable for hair voxelization.

bool	IsHairStrandsForVoxelTransmittanceAndShadowEnable (EShaderPlatform ShaderPlatform)

bool	IsHairStrandsGPUDrivenVoxelizationEnabled ()

	IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT (FVirtualVoxelParameters, "VirtualVoxel")

	IMPLEMENT_GLOBAL_SHADER (FVirtualVoxelInjectOpaqueCS, "/Engine/Private/HairStrands/HairStrandsVoxelRasterCompute.usf", "MainCS", SF_Compute)

	IMPLEMENT_GLOBAL_SHADER (FVoxelMarkValidPageIndex_PrepareCS, "/Engine/Private/HairStrands/HairStrandsVoxelRasterCompute.usf", "MarkValid_PrepareCS", SF_Compute)

	IMPLEMENT_GLOBAL_SHADER (FVoxelAllocatePageIndexCS, "/Engine/Private/HairStrands/HairStrandsVoxelRasterCompute.usf", "AllocatePageIndex", SF_Compute)

	IMPLEMENT_GLOBAL_SHADER (FVoxelAllocateVoxelPageCS, "/Engine/Private/HairStrands/HairStrandsVoxelRasterCompute.usf", "AllocateCS", SF_Compute)

	IMPLEMENT_GLOBAL_SHADER (FVoxelAddNodeDescCS, "/Engine/Private/HairStrands/HairStrandsVoxelRasterCompute.usf", "AddDescCS", SF_Compute)

	IMPLEMENT_GLOBAL_SHADER (FVoxelAddIndirectBufferCS, "/Engine/Private/HairStrands/HairStrandsVoxelRasterCompute.usf", "AddIndirectBufferCS", SF_Compute)

	IMPLEMENT_GLOBAL_SHADER (FVoxelIndPageClearCS, "/Engine/Private/HairStrands/HairStrandsVoxelRasterCompute.usf", "VoxelIndPageClearCS", SF_Compute)

	IMPLEMENT_GLOBAL_SHADER (FVoxelAdaptiveFeedbackCS, "/Engine/Private/HairStrands/HairStrandsVoxelRasterCompute.usf", "FeedbackCS", SF_Compute)

FIntVector	CeilToInt (const FVector &V)

	IMPLEMENT_GLOBAL_SHADER (FVoxelRasterComputeCS, "/Engine/Private/HairStrands/HairStrandsVoxelRasterCompute.usf", "MainCS", SF_Compute)

bool	IsHairStrandContinuousDecimationReorderingEnabled ()

	IMPLEMENT_GLOBAL_SHADER (FVirtualVoxelGenerateMipCS, "/Engine/Private/HairStrands/HairStrandsVoxelRasterCompute.usf", "MainCS", SF_Compute)

	IMPLEMENT_GLOBAL_SHADER (FVirtualVoxelIndirectArgMipCS, "/Engine/Private/HairStrands/HairStrandsVoxelRasterCompute.usf", "MainCS", SF_Compute)

void	VoxelizeHairStrands (FRDGBuilder &GraphBuilder, const FScene *Scene, FViewInfo &View, FInstanceCullingManager &InstanceCullingManager, const FVector &PreViewStereoCorrection)

Function Documentation

◆ CeilToInt()

FIntVector CeilToInt ( const FVector & V )

inline

◆ DECLARE_GPU_STAT() [1/3]

DECLARE_GPU_STAT ( HairStrandsDensityMipGen )

◆ DECLARE_GPU_STAT() [2/3]

DECLARE_GPU_STAT ( HairStrandsIndVoxelPageClear )

◆ DECLARE_GPU_STAT() [3/3]

DECLARE_GPU_STAT ( HairStrandsVoxelize )

◆ GetVoxelPageResolution()

void GetVoxelPageResolution	(	uint32 &	OutPageResolution,
		uint32 &	OutPageResolutionLog2
	)

◆ IMPLEMENT_GLOBAL_SHADER() [1/11]

IMPLEMENT_GLOBAL_SHADER	(	FVirtualVoxelGenerateMipCS	,
		"/Engine/Private/HairStrands/HairStrandsVoxelRasterCompute.usf"	,
		"MainCS"	,
		SF_Compute
	)

◆ IMPLEMENT_GLOBAL_SHADER() [2/11]

IMPLEMENT_GLOBAL_SHADER	(	FVirtualVoxelIndirectArgMipCS	,
		"/Engine/Private/HairStrands/HairStrandsVoxelRasterCompute.usf"	,
		"MainCS"	,
		SF_Compute
	)

◆ IMPLEMENT_GLOBAL_SHADER() [3/11]

IMPLEMENT_GLOBAL_SHADER	(	FVirtualVoxelInjectOpaqueCS	,
		"/Engine/Private/HairStrands/HairStrandsVoxelRasterCompute.usf"	,
		"MainCS"	,
		SF_Compute
	)

◆ IMPLEMENT_GLOBAL_SHADER() [4/11]

IMPLEMENT_GLOBAL_SHADER	(	FVoxelAdaptiveFeedbackCS	,
		"/Engine/Private/HairStrands/HairStrandsVoxelRasterCompute.usf"	,
		"FeedbackCS"	,
		SF_Compute
	)

◆ IMPLEMENT_GLOBAL_SHADER() [5/11]

IMPLEMENT_GLOBAL_SHADER	(	FVoxelAddIndirectBufferCS	,
		"/Engine/Private/HairStrands/HairStrandsVoxelRasterCompute.usf"	,
		"AddIndirectBufferCS"	,
		SF_Compute
	)

◆ IMPLEMENT_GLOBAL_SHADER() [6/11]

IMPLEMENT_GLOBAL_SHADER	(	FVoxelAddNodeDescCS	,
		"/Engine/Private/HairStrands/HairStrandsVoxelRasterCompute.usf"	,
		"AddDescCS"	,
		SF_Compute
	)

◆ IMPLEMENT_GLOBAL_SHADER() [7/11]

IMPLEMENT_GLOBAL_SHADER	(	FVoxelAllocatePageIndexCS	,
		"/Engine/Private/HairStrands/HairStrandsVoxelRasterCompute.usf"	,
		"AllocatePageIndex"	,
		SF_Compute
	)

◆ IMPLEMENT_GLOBAL_SHADER() [8/11]

IMPLEMENT_GLOBAL_SHADER	(	FVoxelAllocateVoxelPageCS	,
		"/Engine/Private/HairStrands/HairStrandsVoxelRasterCompute.usf"	,
		"AllocateCS"	,
		SF_Compute
	)

◆ IMPLEMENT_GLOBAL_SHADER() [9/11]

IMPLEMENT_GLOBAL_SHADER	(	FVoxelIndPageClearCS	,
		"/Engine/Private/HairStrands/HairStrandsVoxelRasterCompute.usf"	,
		"VoxelIndPageClearCS"	,
		SF_Compute
	)

◆ IMPLEMENT_GLOBAL_SHADER() [10/11]

IMPLEMENT_GLOBAL_SHADER	(	FVoxelMarkValidPageIndex_PrepareCS	,
		"/Engine/Private/HairStrands/HairStrandsVoxelRasterCompute.usf"	,
		"MarkValid_PrepareCS"	,
		SF_Compute
	)

◆ IMPLEMENT_GLOBAL_SHADER() [11/11]

IMPLEMENT_GLOBAL_SHADER	(	FVoxelRasterComputeCS	,
		"/Engine/Private/HairStrands/HairStrandsVoxelRasterCompute.usf"	,
		"MainCS"	,
		SF_Compute
	)

◆ IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT()

IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT	(	FVirtualVoxelParameters	,
		"VirtualVoxel"
	)

◆ IsHairStrandContinuousDecimationReorderingEnabled()

bool IsHairStrandContinuousDecimationReorderingEnabled ( )

◆ IsHairStrandsForVoxelTransmittanceAndShadowEnable()

bool IsHairStrandsForVoxelTransmittanceAndShadowEnable ( EShaderPlatform ShaderPlatform )

◆ IsHairStrandsGPUDrivenVoxelizationEnabled()

bool IsHairStrandsGPUDrivenVoxelizationEnabled ( )

◆ IsHairStrandsVoxelizationEnable()

bool IsHairStrandsVoxelizationEnable ( EShaderPlatform ShaderPlatform )

Global enable/disable for hair voxelization.

◆ VoxelizeHairStrands()

void VoxelizeHairStrands	(	FRDGBuilder &	GraphBuilder,
		const FScene *	Scene,
		FViewInfo &	View,
		FInstanceCullingManager &	InstanceCullingManager,
		const FVector &	PreViewStereoCorrection
	)

Classes

Functions