On January 23, 2005 09:41 pm, Li-lun Wang wrote: > Hi, > > My computer is a ThinkPad X31 with Pentium-M 1.4G CPU and ATI Radeon > Mobility M6 LY. I manually tweaked the ports tree and installed > FlightGear 0.9.8 on my FreeBSD 5.3-STABLE. Everything seemed to work > except that the frame rate was only around 3 fps and the CPU usage was > near 100%. > > It seemed to me that FlightGear was not using hardware acceleration. My > X-Window system is X.Org 6.8.1. According to glxinfo, the log file of X > server, and the system dmesg, DRI and drm are successfully loaded and > should be working. The frame rate for glxgears is 225 fps with rather > low CPU usage. > > I suspected that I did something wrong when I manually tweaked the > ports. However, a friend using FlightGears 0.9.6 from the ports with > exactly the same hardware could also achieve only 3 fps. What I was told is that slow framerate on ATI cards in Linux is a driver issue. About the only thing people like you and I can do is wait for a fix from the DRI developers.
> In order to see if this is a FreeBSD specific problem, I installed the > 0.9.8 package for Windows. On Windows XP, I could achieve 27 fps; > however, none of the 3D parts were showing. I could see the 3D models of > the aircrafts when I choose the aircraft with the wizard. But in fgfs > itself, I could not see anything 3D. I could not see any scenery out of > the aircraft; nor could I see the 3D panel. I could only see the 2D > panel; out of the aircraft, I could only see a blue scene in the day > light and completely dark at night -- not even able to see the runway > light. Sounds to me like you are missing the scenery for wherever you were at. Ampere _______________________________________________ Flightgear-users mailing list [email protected] http://mail.flightgear.org/mailman/listinfo/flightgear-users 2f585eeea02e2c79d7b1d8c4963bae2d
