The video below is only performing a single GI bounce at this time, and it is displaying the lighting on the scene voxels, not on the original polygons. I am pretty pleased with this progress and I think the final results will look great and run fast. In addition, the need for environment probes placed in the scene will soon forever be a thing of the past.
2035564276_VoxelGI_raytracingprogress.mp4.a173c8eb756aa1403cccc972a3306d49.mp4 There is still a lot of work to do on this, but I would say that this feature just went from something I was very overwhelmed and intimidated by to something that is definitely under control and feasible.
Also, we might not use cascaded shadow maps (for directional lights) at all but instead rely on a voxel raytrace for directional light shadows. If it works, that would be my preference because CSMs waste so much space and drawing a big outdoors scene 3-4 times can be taxing.
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