SlatePostProcessor.cpp File Reference

#include "SlatePostProcessor.h"
#include "SlateShaders.h"
#include "RendererUtils.h"
#include "Interfaces/SlateRHIRenderingPolicyInterface.h"

Classes
class	FCompositeHDRForBlurPS
struct	FSlateCompositeHDRForBlurPassInputs
class	FSlatePostProcessDirectResamplePS
class	FSlatePostProcessResample2x2PS
struct	FSlatePostProcessDownsamplePassInputs
class	FSlatePostProcessUpsamplePS
struct	FSlatePostProcessUpsampleInputs
class	FSlatePostProcessOptimizedKawaseUpsamplePS
struct	FSlateKawaseBlurUpsampleParameters
struct	FSlateKawaseBlurInternalConfiguration
class	FSlatePostProcessBlurPS
class	FSlatePostProcessColorDeficiencyPS

Enumerations
enum class	ESlatePostProcessUpsampleOutputFormat { SDR = 0 , HDR_SCRGB , HDR_PQ10 , MAX }

Functions
	CSV_DECLARE_CATEGORY_MODULE_EXTERN (SLATECORE_API, Slate)
float	GetSlateHDRUILevel ()
float	GetSlateHDRUILuminance ()
int	GetSlateHDRUICompositeEOTF ()
ETextureCreateFlags	GetSlateTransientRenderTargetFlags ()
ETextureCreateFlags	GetSlateTransientDepthStencilFlags ()
	IMPLEMENT_GLOBAL_SHADER (FCompositeHDRForBlurPS, "/Engine/Private/CompositeUIPixelShader.usf", "CompositeUIForBlur", SF_Pixel)
FScreenPassTexture	AddSlateCompositeHDRForBlurPass (FRDGBuilder &GraphBuilder, const FSlateCompositeHDRForBlurPassInputs &Inputs)
	IMPLEMENT_GLOBAL_SHADER (FSlatePostProcessDirectResamplePS, "/Engine/Private/SlatePostProcessPixelShader.usf", "Resample1Main", SF_Pixel)
	IMPLEMENT_GLOBAL_SHADER (FSlatePostProcessResample2x2PS, "/Engine/Private/SlatePostProcessPixelShader.usf", "Resample2x2Main", SF_Pixel)
FScreenPassTexture	AddSlatePostProcessDownsamplePass (FRDGBuilder &GraphBuilder, const FSlatePostProcessDownsamplePassInputs &Inputs)
	IMPLEMENT_GLOBAL_SHADER (FSlatePostProcessUpsamplePS, "/Engine/Private/SlatePostProcessPixelShader.usf", "UpsampleMain", SF_Pixel)
void	AddSlatePostProcessUpsamplePass (FRDGBuilder &GraphBuilder, const FSlatePostProcessUpsampleInputs &Inputs)
	IMPLEMENT_GLOBAL_SHADER (FSlatePostProcessOptimizedKawaseUpsamplePS, "/Engine/Private/SlatePostProcessPixelShader.usf", "OptimizedKawaseUpsampleMain", SF_Pixel)
FSlateKawaseBlurUpsampleParameters	GetSlateKawaseBlurUpsampleParameters (float Sigma)
FSlateKawaseBlurInternalConfiguration	GetSlateKawaseBlurInternalConfiguration (float Sigma)
FScreenPassTexture	AddSlateKawaseBlur (FRDGBuilder &GraphBuilder, const FScreenPassTexture &InputTexture, const FSlateKawaseBlurInternalConfiguration &Configuration)
	IMPLEMENT_GLOBAL_SHADER (FSlatePostProcessBlurPS, "/Engine/Private/SlatePostProcessPixelShader.usf", "GaussianBlurMain", SF_Pixel)
FScreenPassTexture	AddSlatePostProcessOldGaussianBlur (FRDGBuilder &GraphBuilder, const FSlatePostProcessBlurPassInputs &Inputs)
void	AddSlatePostProcessBlurPass (FRDGBuilder &GraphBuilder, const FSlatePostProcessBlurPassInputs &Inputs)
void	AddSlatePostProcessCopy (FRDGBuilder &GraphBuilder, FScreenPassTexture Input, FScreenPassTexture Output)
void	AddSlatePostProcessBlurPass (FRDGBuilder &GraphBuilder, const FSlatePostProcessSimpleBlurPassInputs &SimpleInputs)
	IMPLEMENT_GLOBAL_SHADER (FSlatePostProcessColorDeficiencyPS, "/Engine/Private/SlatePostProcessColorDeficiencyPixelShader.usf", "ColorDeficiencyMain", SF_Pixel)
void	AddSlatePostProcessColorDeficiencyPass (FRDGBuilder &GraphBuilder, const FSlatePostProcessColorDeficiencyPassInputs &Inputs)

Variables
FAutoConsoleVariableRef	CVarSlatePostBlurUseDualKawaseFilter (TEXT("UI.SlatePostBlurUseDualKawaseFilter"), SlatePostBlurDualKawaseFilterEnable, TEXT("Toggles between the old Gaussian blur implementation (0) and the new optimized Dual Kawase filter blur implementation (1)"))
FAutoConsoleVariableRef	CVarSlatePostBlurStrengthOverride (TEXT("UI.SlatePostBlurStrengthOverride"), SlatePostBlurStrengthOverride, TEXT("Globally overrides the blur strength for all Slate post process blurs (0 = no override)"))

Enumeration Type Documentation

ESlatePostProcessUpsampleOutputFormat

enum class ESlatePostProcessUpsampleOutputFormat

strong

Enumerator
SDR
HDR_SCRGB
HDR_PQ10
MAX

Function Documentation

AddSlateCompositeHDRForBlurPass()

FScreenPassTexture AddSlateCompositeHDRForBlurPass	(	FRDGBuilder &	GraphBuilder,
		const FSlateCompositeHDRForBlurPassInputs &	Inputs
	)

AddSlateKawaseBlur()

FScreenPassTexture AddSlateKawaseBlur	(	FRDGBuilder &	GraphBuilder,
		const FScreenPassTexture &	InputTexture,
		const FSlateKawaseBlurInternalConfiguration &	Configuration
	)

AddSlatePostProcessBlurPass() [1/2]

void AddSlatePostProcessBlurPass	(	FRDGBuilder &	GraphBuilder,
		const FSlatePostProcessBlurPassInputs &	Inputs
	)

AddSlatePostProcessBlurPass() [2/2]

void AddSlatePostProcessBlurPass	(	FRDGBuilder &	GraphBuilder,
		const FSlatePostProcessSimpleBlurPassInputs &	SimpleInputs
	)

AddSlatePostProcessColorDeficiencyPass()

void AddSlatePostProcessColorDeficiencyPass	(	FRDGBuilder &	GraphBuilder,
		const FSlatePostProcessColorDeficiencyPassInputs &	Inputs
	)

AddSlatePostProcessCopy()

void AddSlatePostProcessCopy	(	FRDGBuilder &	GraphBuilder,
		FScreenPassTexture	Input,
		FScreenPassTexture	Output
	)

Directly copies or resamples Input into Output with bilinear interpolation if the extent is different.

AddSlatePostProcessDownsamplePass()

FScreenPassTexture AddSlatePostProcessDownsamplePass	(	FRDGBuilder &	GraphBuilder,
		const FSlatePostProcessDownsamplePassInputs &	Inputs
	)

AddSlatePostProcessOldGaussianBlur()

FScreenPassTexture AddSlatePostProcessOldGaussianBlur	(	FRDGBuilder &	GraphBuilder,
		const FSlatePostProcessBlurPassInputs &	Inputs
	)

AddSlatePostProcessUpsamplePass()

void AddSlatePostProcessUpsamplePass	(	FRDGBuilder &	GraphBuilder,
		const FSlatePostProcessUpsampleInputs &	Inputs
	)

CSV_DECLARE_CATEGORY_MODULE_EXTERN()

CSV_DECLARE_CATEGORY_MODULE_EXTERN	(	SLATECORE_API	,
		Slate
	)

GetSlateHDRUICompositeEOTF()

int GetSlateHDRUICompositeEOTF

(

)

GetSlateHDRUILevel()

float GetSlateHDRUILevel

(

)

GetSlateHDRUILuminance()

float GetSlateHDRUILuminance

(

)

GetSlateKawaseBlurInternalConfiguration()

FSlateKawaseBlurInternalConfiguration GetSlateKawaseBlurInternalConfiguration

(

float

Sigma

)

GetSlateKawaseBlurUpsampleParameters()

FSlateKawaseBlurUpsampleParameters GetSlateKawaseBlurUpsampleParameters

(

float

Sigma

)

GetSlateTransientDepthStencilFlags()

ETextureCreateFlags GetSlateTransientDepthStencilFlags

(

)

GetSlateTransientRenderTargetFlags()

ETextureCreateFlags GetSlateTransientRenderTargetFlags

(

)

IMPLEMENT_GLOBAL_SHADER() [1/7]

IMPLEMENT_GLOBAL_SHADER	(	FCompositeHDRForBlurPS	,
		"/Engine/Private/CompositeUIPixelShader.usf"	,
		"CompositeUIForBlur"	,
		SF_Pixel
	)

IMPLEMENT_GLOBAL_SHADER() [2/7]

IMPLEMENT_GLOBAL_SHADER	(	FSlatePostProcessBlurPS	,
		"/Engine/Private/SlatePostProcessPixelShader.usf"	,
		"GaussianBlurMain"	,
		SF_Pixel
	)

IMPLEMENT_GLOBAL_SHADER() [3/7]

IMPLEMENT_GLOBAL_SHADER	(	FSlatePostProcessColorDeficiencyPS	,
		"/Engine/Private/SlatePostProcessColorDeficiencyPixelShader.usf"	,
		"ColorDeficiencyMain"	,
		SF_Pixel
	)

IMPLEMENT_GLOBAL_SHADER() [4/7]

IMPLEMENT_GLOBAL_SHADER	(	FSlatePostProcessDirectResamplePS	,
		"/Engine/Private/SlatePostProcessPixelShader.usf"	,
		"Resample1Main"	,
		SF_Pixel
	)

IMPLEMENT_GLOBAL_SHADER() [5/7]

IMPLEMENT_GLOBAL_SHADER	(	FSlatePostProcessOptimizedKawaseUpsamplePS	,
		"/Engine/Private/SlatePostProcessPixelShader.usf"	,
		"OptimizedKawaseUpsampleMain"	,
		SF_Pixel
	)

IMPLEMENT_GLOBAL_SHADER() [6/7]

IMPLEMENT_GLOBAL_SHADER	(	FSlatePostProcessResample2x2PS	,
		"/Engine/Private/SlatePostProcessPixelShader.usf"	,
		"Resample2x2Main"	,
		SF_Pixel
	)

IMPLEMENT_GLOBAL_SHADER() [7/7]

IMPLEMENT_GLOBAL_SHADER	(	FSlatePostProcessUpsamplePS	,
		"/Engine/Private/SlatePostProcessPixelShader.usf"	,
		"UpsampleMain"	,
		SF_Pixel
	)

Variable Documentation

CVarSlatePostBlurStrengthOverride

FAutoConsoleVariableRef CVarSlatePostBlurStrengthOverride(TEXT("UI.SlatePostBlurStrengthOverride"), SlatePostBlurStrengthOverride, TEXT("Globally overrides the blur strength for all Slate post process blurs (0 = no override)"))	(	TEXT("UI.SlatePostBlurStrengthOverride")	,
		SlatePostBlurStrengthOverride	,
		TEXT("Globally overrides the blur strength for all Slate post process blurs (0 = no override)")
	)

CVarSlatePostBlurUseDualKawaseFilter

FAutoConsoleVariableRef CVarSlatePostBlurUseDualKawaseFilter(TEXT("UI.SlatePostBlurUseDualKawaseFilter"), SlatePostBlurDualKawaseFilterEnable, TEXT("Toggles between the old Gaussian blur implementation (0) and the new optimized Dual Kawase filter blur implementation (1)"))	(	TEXT("UI.SlatePostBlurUseDualKawaseFilter")	,
		SlatePostBlurDualKawaseFilterEnable	,
		TEXT("Toggles between the old Gaussian blur implementation (0) and the new optimized Dual Kawase filter blur implementation (1)")
	)