Re: Merging DRM and fbdev

[Alan Cox]

On Sul, 2004-10-03 at 16:50, Vladimir Dergachev wrote:
> In particular, I can contribute the code that does Framebuffer->System Ram
> transfers over PCI/AGP. It is currently GPL licensed, but there is no 
> problem if BSD folks want it too.

This will do *wonders* to X render performance if used properly on those
cards we can't do render in hardware.

> This is also potentially useful for any Mesa functions that want to 
> transfer data back from video RAM - using plain reads for this is really slow.

Agreed - and Mesa tends to skip even tricks like SSE2 that can quadruple
read performance.
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