The Hi-Z pyramid (r32float, full mip chain). Sample with explicit mip in a cull shader; coarser mips hold the farthest occluder depth over the footprint (max for standard depth, min for reversed-Z).
Number of mip levels in pyramid.
The Hi-Z pyramid (r32float, full mip chain). Sample with explicit mip in a cull shader; coarser mips hold the farthest occluder depth over the footprint (max for standard depth, min for reversed-Z).