ScreenSpaceReflectionTiles.cpp File Reference

#include "ScreenSpaceReflectionTiles.h"
#include "DataDrivenShaderPlatformInfo.h"
#include "SceneRendering.h"

Classes
class	FSSRTileCategorisationMarkCS
class	FSSRTileClassificationBuildListsCS

Functions
bool	UseSSRIndirectDraw (EShaderPlatform ShaderPlatform)
bool	ShouldVisualizeTiledScreenSpaceReflection ()
	IMPLEMENT_GLOBAL_SHADER (FSSRTileCategorisationMarkCS, "/Engine/Private/DefaultSSRTiles.usf", "SSRTileCategorisationMarkCS", SF_Compute)
	IMPLEMENT_GLOBAL_SHADER (FSSRTileClassificationBuildListsCS, "/Engine/Private/DefaultSSRTiles.usf", "SSRTileClassificationBuildListsCS", SF_Compute)
bool	IsDefaultSSRTileEnabled (const FViewInfo &View)
FScreenSpaceReflectionTileClassification	ClassifySSRTiles (FRDGBuilder &GraphBuilder, const FViewInfo &View, const FSceneTextures &SceneTextures, const FRDGTextureRef &DepthPrepassTexture)

Function Documentation

ClassifySSRTiles()

FScreenSpaceReflectionTileClassification ClassifySSRTiles	(	FRDGBuilder &	GraphBuilder,
		const FViewInfo &	View,
		const FSceneTextures &	SceneTextures,
		const FRDGTextureRef &	DepthPrepassTexture
	)

Build lists of 8x8 tiles used by SSR pixels Mark and build list steps are separated in order to build a more coherent list (z-ordered over a larger region), which is important for the performance of future passes like ray traced Lumen reflections

IMPLEMENT_GLOBAL_SHADER() [1/2]

IMPLEMENT_GLOBAL_SHADER	(	FSSRTileCategorisationMarkCS	,
		"/Engine/Private/DefaultSSRTiles.usf"	,
		"SSRTileCategorisationMarkCS"	,
		SF_Compute
	)

IMPLEMENT_GLOBAL_SHADER() [2/2]

IMPLEMENT_GLOBAL_SHADER	(	FSSRTileClassificationBuildListsCS	,
		"/Engine/Private/DefaultSSRTiles.usf"	,
		"SSRTileClassificationBuildListsCS"	,
		SF_Compute
	)

IsDefaultSSRTileEnabled()

bool IsDefaultSSRTileEnabled

(

const FViewInfo &

View

)

ShouldVisualizeTiledScreenSpaceReflection()

bool ShouldVisualizeTiledScreenSpaceReflection

(

)

UseSSRIndirectDraw()

bool UseSSRIndirectDraw

(

EShaderPlatform

ShaderPlatform

)