Defines the max clamping value from the post process volume's quality level for ScreenSpace Ambient Occlusio 100: don't override quality level from the post process volume (default 0..99: clamp down quality level from the post process volume to the maximum set by this cva -100..0: Enforces a different quality (the absolute value) even if the postprocessvolume asks for a lower quality.
Usage
r.AmbientOcclusionMaxQuality [value]
Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.
