On Tue, 15 Mar 2005 16:46:44 -0600, Andrzej wrote in message <[EMAIL PROTECTED]>:
> > 2. I run latest version of the FG on both Win 2K and Mandrake 10.0 > > (with Nvidia drivers of course). However I note very strange > > behavior under Linux. When the FG starts in the default window (I > > guess it is 640x480 or so), it performs quite well but when I try > > to resize/make bigger/maximize the window everything starts > > crawling. I do not observe it under Windows where it runs smoothly > > even under really high resolutions. I am not sure if it is due to > > the Linux and Windows use that 32MB of my poor GeForce differently > > or what? Any insight? > > > First thx for all the replies. They helped me to narrow down the scope > of the problem and I finally got the culprit. It turned out that > under > both Linux and Windows very low FPS were related to the 32-bit color. > Once I changed it to 16-bit the improvement was dramatic. Also under > Linux that trouble with resizing the FG window is gone now. > > Here are some other observations: > -I pretty much do not see any correlation between window size > and the > FPS (unlike with some games) > -CPU often hits 100%, but especially when I fly close to ground, > it > drops to even 60%, all rendering options are on > -glxgears cranks around 12000 FPS (which is definitely higher > than > 32-bit colors) > -I have got FG FPS from 60 to 90. Completely sufficient and some > room > for future. ..you cut your colors from 32bit to 16bit, ATI's cards are all 24bit, how are your 24bit framerates? -- ..med vennlig hilsen = with Kind Regards from Arnt... ;o) ...with a number of polar bear hunters in his ancestry... Scenarios always come in sets of three: best case, worst case, and just in case. _______________________________________________ Flightgear-users mailing list [email protected] http://mail.flightgear.org/mailman/listinfo/flightgear-users 2f585eeea02e2c79d7b1d8c4963bae2d
