LumenSurfaceCacheFeedback.cpp File Reference

#include "LumenSurfaceCacheFeedback.h"
#include "SceneRendering.h"
#include "DeferredShadingRenderer.h"
#include "GPUFeedbackCompaction.h"
#include "LumenSceneData.h"
#include "Lumen.h"
#include "LumenReflections.h"
#include "LumenVisualize.h"
#include "ScenePrivate.h"

Functions
FAutoConsoleVariableRef	CVarLumenSurfaceCacheFeedback (TEXT("r.LumenScene.SurfaceCache.Feedback"), GLumenSurfaceCacheFeedback, TEXT("Whether to use surface cache feedback to selectively map higher quality surface cache pages."), ECVF_Scalability|ECVF_RenderThreadSafe)
FAutoConsoleVariableRef	CVarLumenSurfaceCacheFeedbackTileSize (TEXT("r.LumenScene.SurfaceCache.Feedback.TileSize"), GLumenSurfaceCacheFeedbackTileSize, TEXT("One surface cache feedback element will be writen out per tile. Aligned to a power of two."), ECVF_Scalability|ECVF_RenderThreadSafe)
FAutoConsoleVariableRef	CVarLumenSurfaceCacheFeedbackResLevelBias (TEXT("r.LumenScene.SurfaceCache.Feedback.ResLevelBias"), GLumenSurfaceCacheFeedbackResLevelBias, TEXT("Bias resolution of on demand surface cache pages."), FConsoleVariableDelegate::CreateLambda([](IConsoleVariable *InVariable) { Lumen::DebugResetSurfaceCache();}), ECVF_Scalability|ECVF_RenderThreadSafe)
FAutoConsoleVariableRef	CVarLumenSurfaceCacheFeedbackMinPageHits (TEXT("r.LumenScene.SurfaceCache.Feedback.MinPageHits"), GLumenSurfaceCacheFeedbackFeedbackMinPageHits, TEXT("Min number of page hits to demand a new page."), ECVF_Scalability|ECVF_RenderThreadSafe)
FAutoConsoleVariableRef	CVarLumenSurfaceCacheFeedbackUniqueElements (TEXT("r.LumenScene.SurfaceCache.Feedback.UniqueElements"), GLumenSurfaceCacheFeedbackMaxUniqueElements, TEXT("Limit of unique surface cache feedback elements. Used to resize buffers."), ECVF_Scalability|ECVF_RenderThreadSafe)

Variables
int32	GLumenSurfaceCacheFeedback = 1
int32	GLumenSurfaceCacheFeedbackTileSize = 16
float	GLumenSurfaceCacheFeedbackResLevelBias = -0.5f
float	GLumenSurfaceCacheFeedbackFeedbackMinPageHits = 16
int32	GLumenSurfaceCacheFeedbackMaxUniqueElements = 1024

Function Documentation

CVarLumenSurfaceCacheFeedback()

FAutoConsoleVariableRef CVarLumenSurfaceCacheFeedback	(	TEXT("r.LumenScene.SurfaceCache.Feedback")	,
		GLumenSurfaceCacheFeedback	,
		TEXT("Whether to use surface cache feedback to selectively map higher quality surface cache pages.")	,
		ECVF_Scalability|	ECVF_RenderThreadSafe
	)

CVarLumenSurfaceCacheFeedbackMinPageHits()

FAutoConsoleVariableRef CVarLumenSurfaceCacheFeedbackMinPageHits	(	TEXT("r.LumenScene.SurfaceCache.Feedback.MinPageHits")	,
		GLumenSurfaceCacheFeedbackFeedbackMinPageHits	,
		TEXT("Min number of page hits to demand a new page.")	,
		ECVF_Scalability|	ECVF_RenderThreadSafe
	)

CVarLumenSurfaceCacheFeedbackResLevelBias()

FAutoConsoleVariableRef CVarLumenSurfaceCacheFeedbackResLevelBias	(	TEXT("r.LumenScene.SurfaceCache.Feedback.ResLevelBias")	,
		GLumenSurfaceCacheFeedbackResLevelBias	,
		TEXT("Bias resolution of on demand surface cache pages.")	,
		FConsoleVariableDelegate::CreateLambda([](IConsoleVariable *InVariable) { Lumen::DebugResetSurfaceCache();})	,
		ECVF_Scalability|	ECVF_RenderThreadSafe
	)

CVarLumenSurfaceCacheFeedbackTileSize()

FAutoConsoleVariableRef CVarLumenSurfaceCacheFeedbackTileSize	(	TEXT("r.LumenScene.SurfaceCache.Feedback.TileSize")	,
		GLumenSurfaceCacheFeedbackTileSize	,
		TEXT("One surface cache feedback element will be writen out per tile. Aligned to a power of two.")	,
		ECVF_Scalability|	ECVF_RenderThreadSafe
	)

CVarLumenSurfaceCacheFeedbackUniqueElements()

FAutoConsoleVariableRef CVarLumenSurfaceCacheFeedbackUniqueElements	(	TEXT("r.LumenScene.SurfaceCache.Feedback.UniqueElements")	,
		GLumenSurfaceCacheFeedbackMaxUniqueElements	,
		TEXT("Limit of unique surface cache feedback elements. Used to resize buffers.")	,
		ECVF_Scalability|	ECVF_RenderThreadSafe
	)

Variable Documentation

GLumenSurfaceCacheFeedback

int32 GLumenSurfaceCacheFeedback = 1

GLumenSurfaceCacheFeedbackFeedbackMinPageHits

float GLumenSurfaceCacheFeedbackFeedbackMinPageHits = 16

GLumenSurfaceCacheFeedbackMaxUniqueElements

int32 GLumenSurfaceCacheFeedbackMaxUniqueElements = 1024

GLumenSurfaceCacheFeedbackResLevelBias

float GLumenSurfaceCacheFeedbackResLevelBias = -0.5f

GLumenSurfaceCacheFeedbackTileSize

int32 GLumenSurfaceCacheFeedbackTileSize = 16