Re: AGP Support in PesasosII
On Fri, Jan 21, 2005 at 11:23:57AM -0500, Michel Dänzer wrote:
> On Fri, 2005-01-21 at 11:03 +0100, Bartosz Soko??owski wrote:
> >
> > I discovered strange behavior of QuakeII. In software rendering mode it
> > works fine (20-30FPS) but looks ugly. In GL mode it looks much better but
> > performace is VERY bad. When I start the game I have approx 80FPS but when
> > I see some opponents and start shooting them the performance drops
> > dramatically to 5FPS!!!!! CPU load at this moment is about 30-40%
> > accorting to top, so it doesn't seem to be CPU load problem.
> > Can someone explain me whats wrong?
>
> For one, the lightmapping method used by the Quake 2 engine is known to
> work very inefficiently with the free DRI drivers. Try
>
> set gl_ext_multitexture "0"
>
> in config.cfg.
Nice to know.
> > I did some investigation and found out that my Radeon 8500 works in PCI
> > mode, not AGP mode (see log file below). May it be a problem?? How to
> > force Radeon to AGP mode??
>
> AFAIK the Pegasos doesn't actually have an AGP bridge.
Indeed, it only has a pci-x slot which is camouflaged as AGP, for the sake of
using cheap agp cards, and not having to go for pci ones.
BTW, Michel, i have been getting reports of DRI not working on pegasos 2 with
PCI radeon cards, do you have access to such a card and could maybe test the
truth of this claim ?
Friendly,
Sven Luther
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