r.Shadow.Virtual.UseHZB
VarUnreal Engine Var console variable.
rShadowVirtualUseHZB
Description
Enables HZB for (Nanite) Virtual Shadow Maps - Non-Nanite unfortunately has a separate flag with different semantics: r.Shadow.Virtual.NonNanite.UseHZB 0 - No HZB occlusion cullin 1 - Approximate Single-pass HZB occlusion culling (using previous frame HZB 2 - Two-pass occlusion culling (default).
Usage
r.Shadow.Virtual.UseHZB [value]Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.

