@PeterSikachev Temporal AA solved the deferred antialiasing problem. Single pass forward isn’t feasible because you need depth buffer for SSAO before lighting. Z-prepass doubles geometry cost. Not perfect on GCN based consoles. Also you need some per pixel material data for SSR and post effects
@PeterSikachev And deferred provides data interface. Fully separates passes writing to g-buffer from passes reading it. Reduces architectural complexity and number of shader permutations.
@PeterSikachev GCN has full fill rate ROP write to RGBA16 targets. If you pack your g-buffer to 2x RGBA16, you get pretty nice fill rate with deferred. Some engines like UE4 use lots of narrow render targets (IIRC UE4 = 5x 32bit). This is definitely not optimal at 4K.
