r.Lumen.ScreenProbeGather.MaxRoughnessToEvaluateRoughSpecular
VarUnreal Engine Var console variable.
rLumenScreenProbeGatherMaxRoughnessToEvaluateRoughSpecular
Description
Maximum roughness value to evaluate rough specular in Screen Probe Gather. Lower values reduce GPU cost of integration, but also lose rough specular.
Usage
r.Lumen.ScreenProbeGather.MaxRoughnessToEvaluateRoughSpecular [value]Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.

