Re: GGI, EGCS/PGCC, Kernel source

Alan Cox (
Tue, 24 Feb 1998 00:00:47 +0000 (GMT)

> In the extreme case, feeding a high performance graphics pipe looks a lot
> like bcopy (doesn't everything). You have a bunch of data which you need

Not on a network it doesnt no.

> Assume you want to achieve 10 Million lit, texture-mapped vertices per
> second. How much memory bandwidth do you need? Well, you have to transfer
> the vertex coordinates (3x4 =12 bytes), normal (3x4=12 bytes), and texture
> coordinates (2x4=8 bytes), for a total of 32 bytes per vertex.

So I put it in a mitshm object, it arrives with 0 copies, its blasted into
the video card. Next question 8)


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