Controls mipmap level according to the SSAO step i 0: always look into the HZB mipmap level 0 (memory cache trashing 0.5: sample count depends on post process settings (default 1: Go into higher mipmap level (quality loss)
Usage
r.AmbientOcclusionMipLevelFactor [value]
Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.
