Following the release of Doom3 it?s seen many a discussions such as gameplay, graphics, benchmarking and tweaking. In this short interview we talk to id?s John Carmack about various elements of the title that are pertinent to benchmarking, as well as some of the queries that have arisen following some of the choices made within the games shader code. "What's the situation with regards to depth bounds test implementation (NVIDIA's "UltraShadow") in the game? Doesn't appear to have any effect on a NV35 or NV40 using the cvar.

Nvidia claims some improvement, but it might require unreleased drivers. It's not a big deal one way or another."
Read the full interview here