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Seagate Backup Plus Slim External USB 3.0 2TB Hard Drive Review
John Carmack interview - John Carmack interview
Tue, June 11 2002 | 10:22AM | PermaLink Feedback?
Beyond3D has a short interview with John Carmack on Doom III and today's videocards. If you're using a GF3/4 or Radeon 8500 you'll like this.

You said there are two passes on GeForce 3/4 and one on Radeon 8500. Are these number of passes *per light*? Say we take 30fps as basis - GeForce3 or 4 could handle about 3 or 4 per pixel lights per frame which actually means 8-10 passes! Radeon 8500 would take 5-6 passes which saves some T&L work. Again, correct?

Yes, the primitive code path is a surface+light "interaction". We guestimate 2x lights per surface average and 2x true overdraw, for 4x interaction overdraw (times 5,3,2,or 1 passes, depending on the card and features enabled).

Original URL, circa 2002:

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