HairStrandsComposition.cpp File Reference

#include "HairStrandsComposition.h"
#include "Shader.h"
#include "GlobalShader.h"
#include "ScenePrivate.h"
#include "ShaderParameters.h"
#include "ShaderParameterStruct.h"
#include "ShaderParameterMacros.h"
#include "RenderGraphUtils.h"
#include "PostProcess/PostProcessing.h"
#include "PostProcess/SceneRenderTargets.h"
#include "HairStrandsRendering.h"
#include "HairStrandsTile.h"
#include "FogRendering.h"
#include "PostProcess/TemporalAA.h"
#include "HairStrandsForwardRaster.h"

Classes
class	FHairHoldoutPS
class	FHairVisibilityComposeSamplePS
class	FHairDOFDepthPS
class	FHairVisibilityFastResolveMaskPS
class	FHairVisibilityGBufferWritePS

Namespaces
namespace	Substrate

Enumerations
enum	EHairStrandsCommonPassType {   Composition , DOF , TAAFastResolve , GBuffer ,   Blit , HoldoutScene , HoldoutHair }

Functions
	DECLARE_GPU_STAT (HairStrandsComposition)
float	GetHairFastResolveVelocityThreshold (const FIntPoint &Resolution)
template<typename TPassParameter , typename TPixelShader >
void	InternalCommonDrawPass (FRDGBuilder &GraphBuilder, FRDGEventName &&EventName, const FViewInfo &View, const FIntPoint Resolution, const EHairStrandsCommonPassType Type, const bool bWriteDepth, const bool bHasHoldout, const FHairStrandsTiles &TileData, TPixelShader &PixelShader, TPassParameter *PassParamters)
	IMPLEMENT_GLOBAL_SHADER (FHairHoldoutPS, "/Engine/Private/HairStrands/HairStrandsComposition.usf", "HoldoutPS", SF_Pixel)
	IMPLEMENT_GLOBAL_SHADER (FHairVisibilityComposeSamplePS, "/Engine/Private/HairStrands/HairStrandsComposition.usf", "ComposeSamplePS", SF_Pixel)
	IMPLEMENT_GLOBAL_SHADER (FHairDOFDepthPS, "/Engine/Private/HairStrands/HairStrandsComposition.usf", "DOFDepthPS", SF_Pixel)
	IMPLEMENT_GLOBAL_SHADER (FHairVisibilityFastResolveMaskPS, "/Engine/Private/HairStrands/HairStrandsComposition.usf", "FastResolvePS", SF_Pixel)
	IMPLEMENT_GLOBAL_SHADER (FHairVisibilityGBufferWritePS, "/Engine/Private/HairStrands/HairStrandsComposition.usf", "MainPS", SF_Pixel)
FSubstrateCommonParameters	Substrate::GetSubstrateCommonParameter (const FSubstrateSceneData &In)
void	RenderHairComposition (FRDGBuilder &GraphBuilder, const TArray< FViewInfo > &Views, FRDGTextureRef SceneColorTexture, FRDGTextureRef SceneDepthTexture, FRDGTextureRef SceneVelocityTexture, FTranslucencyPassResourcesMap &TranslucencyResourceMap)
void	RenderHairComposition (FRDGBuilder &GraphBuilder, const FViewInfo &View, FRDGTextureRef SceneColorTexture, FRDGTextureRef SceneDepthTexture, FRDGTextureRef SceneVelocityTexture)

Enumeration Type Documentation

EHairStrandsCommonPassType

enum EHairStrandsCommonPassType

Enumerator
Composition
DOF
TAAFastResolve
GBuffer
Blit
HoldoutScene
HoldoutHair

Function Documentation

DECLARE_GPU_STAT()

DECLARE_GPU_STAT

(

HairStrandsComposition

)

GetHairFastResolveVelocityThreshold()

float GetHairFastResolveVelocityThreshold

(

const FIntPoint &

Resolution

)

IMPLEMENT_GLOBAL_SHADER() [1/5]

IMPLEMENT_GLOBAL_SHADER	(	FHairDOFDepthPS	,
		"/Engine/Private/HairStrands/HairStrandsComposition.usf"	,
		"DOFDepthPS"	,
		SF_Pixel
	)

IMPLEMENT_GLOBAL_SHADER() [2/5]

IMPLEMENT_GLOBAL_SHADER	(	FHairHoldoutPS	,
		"/Engine/Private/HairStrands/HairStrandsComposition.usf"	,
		"HoldoutPS"	,
		SF_Pixel
	)

IMPLEMENT_GLOBAL_SHADER() [3/5]

IMPLEMENT_GLOBAL_SHADER	(	FHairVisibilityComposeSamplePS	,
		"/Engine/Private/HairStrands/HairStrandsComposition.usf"	,
		"ComposeSamplePS"	,
		SF_Pixel
	)

IMPLEMENT_GLOBAL_SHADER() [4/5]

IMPLEMENT_GLOBAL_SHADER	(	FHairVisibilityFastResolveMaskPS	,
		"/Engine/Private/HairStrands/HairStrandsComposition.usf"	,
		"FastResolvePS"	,
		SF_Pixel
	)

IMPLEMENT_GLOBAL_SHADER() [5/5]

IMPLEMENT_GLOBAL_SHADER	(	FHairVisibilityGBufferWritePS	,
		"/Engine/Private/HairStrands/HairStrandsComposition.usf"	,
		"MainPS"	,
		SF_Pixel
	)

InternalCommonDrawPass()

template<typename TPassParameter , typename TPixelShader >

void InternalCommonDrawPass	(	FRDGBuilder &	GraphBuilder,
		FRDGEventName &&	EventName,
		const FViewInfo &	View,
		const FIntPoint	Resolution,
		const EHairStrandsCommonPassType	Type,
		const bool	bWriteDepth,
		const bool	bHasHoldout,
		const FHairStrandsTiles &	TileData,
		TPixelShader &	PixelShader,
		TPassParameter *	PassParamters
	)

RenderHairComposition() [1/2]

void RenderHairComposition	(	FRDGBuilder &	GraphBuilder,
		const FViewInfo &	View,
		FRDGTextureRef	SceneColorTexture,
		FRDGTextureRef	SceneDepthTexture,
		FRDGTextureRef	SceneVelocityTexture
	)

RenderHairComposition() [2/2]

void RenderHairComposition	(	FRDGBuilder &	GraphBuilder,
		const TArray< FViewInfo > &	Views,
		FRDGTextureRef	SceneColorTexture,
		FRDGTextureRef	SceneDepthTexture,
		FRDGTextureRef	SceneVelocityTexture,
		FTranslucencyPassResourcesMap &	TranslucencyResourceMap
	)