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r.Lumen.ScreenProbeGather.ImportanceSample.ProbeRadianceHistory

Var

Unreal Engine Var console variable.

rLumenScreenProbeGatherImportanceSampleProbeRadianceHistory

Description

Whether to Importance Sample incoming lighting from last frame's filtered traces to generate probe trace directions. When disabled, the Radiance Cache will be used instead.

Usage

r.Lumen.ScreenProbeGather.ImportanceSample.ProbeRadianceHistory [value]

Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.