Sounds like a plan. I assume you noticed that the testing with the normals-only prepass FX Boris provided on the Discord reveals that the grass LOD normals aren't rendered for some reason. If that's the case, then getting them to render would be key. It may be that they don't resolve in game against the terrain normals, but IDK. On another note for your testing, I learned (DoubleYou suggested) that grass fill/LOD matching is better with constant DynDOLOD_SSE.ini T/B-RGB values of 1.0 0.5 (s