r.ForceSceneHasDecals
VarUnreal Engine Var console variable.
rForceSceneHasDecals
Description
Whether to always assume that scene has decals, so we don't switch depth state conditionally. This can significantly reduce total number of PSOs at a minor GPU cost.
Usage
r.ForceSceneHasDecals [value]Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.

