r.PathTracing.DecalRoughnessCutoff
VarUnreal Engine Var console variable.
rPathTracingDecalRoughnessCutoff
Description
Do not evaluate decals beyond this roughness level to improve performance (default=0.15)
Usage
r.PathTracing.DecalRoughnessCutoff [value]Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.

