On Fri, 2005-01-21 at 11:03 +0100, Bartosz Sokołowski 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. > 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. -- Earthling Michel Dänzer | Debian (powerpc), X and DRI developer Libre software enthusiast | http://svcs.affero.net/rm.php?r=daenzer
