Selects whether HZB for scene depth buffer should be built with async compute 0: Don't use async compute (default 1: Use async compute, start as soon as possibl 2: Use async compute, start after ComputeLightGrid.CompactLinks pass
Usage
r.SceneDepthHZBAsyncCompute [value]
Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.
