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To: Waldeen who wrote (7447)9/21/1998 6:10:00 PM
From: Simon Cardinale  Respond to of 16960
 
Waldeen: geometry acceleration and parallelism

I'm not really qualified to say what aspects of a CPU's function should be offloaded onto an on-board geometry processor. (I'm a geologist, not a chip or game developer.)

However, the general criteria it should meet are these.
1) Functions that that a serious bottleneck in current CPUs.
2) Something not well addressed by Intel's new Katmai chips.
3) Functions that will be increasingly used by future games.
4) Something that will be supported by Microsoft in D3D at some date in the future (Glide first, of course, but DirectX is necessary lest MS support some other variety of geometry acceleration from a competitor.)

I'm a gamer, not a developer, so I can't tell you what fits those criteria. Maybe Got2MuchTime can address it (he appears to be back, since he posted a new 3DOvertime message a week ago.)

On your pixel/region based rendering question (like PowerVR second generation) I think that this sort of thing probably won't scale too well with resolution. I'm sure there are other reasons why the majority of the industry has gone another route, though.

Simon