Originally posted as a reply to: https://gist.github.com/reduz/c5769d0e705d8ab7ac187d63be0099b5
Turned into a gist due to high likelihood of deletion. Also edited down to not include irrelevant trolling as to be useful to someone else considering Depth Reprojection.
Yes I know SSR and Parallax Corrected Shadowmaps work, but the consequences of errors in those depth tests aren't as high.
You yourself state that this is general purpose engine, how is a technique that will have trouble with:
- deformables (cloth, vegetation, skinned meshes, etc.)