Thanks for the insight. Is this already something that has been extensively looked at without success, or would it be worth my time to dig into the code and try to find the cause? I've thought about it, but afraid that I will just hit a brick wall someone else already ran into with it. ;)
Is there anywhere I can get a G400 databook for reference, or is that not publicly available? On Tue, Dec 09, 2003 at 07:55:20AM -0800, Alex Deucher wrote: > renderaccel. the reason for the curruption is that both the 2d driver > and the 3d driver are using the 3d engine. since they are not keeping > state (render accel my write on 3d textures and vice versa, etc.), > games will corrupt fonts and vice versa. Unfortunately it's a tough > problem to solve. I don't recall how you turn off render accel on mga, > you can probably find that on google. turning it off should solve the > problem since render (used for AA fonts) will use teh software paths > instead. > > Alex > > --- Ryan Underwood <[EMAIL PROTECTED]> wrote: > > > > By "turn off HW render", you mean RenderAccel "off", or NoAccel "on" > > ? > > > > BTW, I should clarify my previous post by saying that the fonts > > across > > _all_ Xft applications are corrupted when any of them is corrupted by > > DRI usage; no other non-AA fonts or pixmap data are affected, > > however. > > It is only AA fonts, and across _all_ AA applications when it occurs. > > > > Would installing a debug X server help track the cause of the > > corruption > > down? > > > > On Tue, Dec 09, 2003 at 06:59:30AM -0800, Alex Deucher wrote: > > > turn off HW render accel. both HW render and 3D use the 3D engine > > and > > > I don't know if they both keep state properly. that's probably > > were > > > your corruption comes from. > > > > > > Alex > > > > > > --- Ryan Underwood <[EMAIL PROTECTED]> wrote: > > > > > > > > Hi, > > > > > > > > I've had some problems with certain DRI applications occasionally > > > > corrupting fonts in programs that use Xft. The corruption was > > > > noticeable after the DRI program exited. Strangely, it could be > > > > mitigated by running another different DRI program afterwards; > > this > > > > seems to be the only way to get rid of the corruption (moving the > > > > window > > > > off screen or minimizing/maximizing it doesn't work). > > > > > > > > Here are the steps to reproduce with 100% success for me: > > > > - Install licq (1.2.7 here) > > > > - Install the Qt licq plugin > > > > - Choose the "bheart" skin for licq-qt > > > > - Ensure that anti-aliases fonts are being used (QT_XFT=1) > > > > - Run either Quake2 (0.2.1) or crack-attack (1.1.9) > > > > - Exit the game > > > > > > > > Voila, your fonts should now be corrupted in that program. (The > > rest > > > > of > > > > the pixmaps are okay). crack-attack seems to corrupt worse than > > > > quake2. > > > > Now, run Unreal Tournament (UTPG latest version, which > > coincidentally > > > > still won't display a mouse cursor for me in recent mga DRI > > driver). > > > > After exiting UT, the corruption is gone 2 out of 3 times. > > > > > > > > I can also reproduce it using pan (with GDK_USE_XFT on) but the > > licq > > > > case is > > > > the most blindingly obvious. > > > > > > > > This has been going on for probably over a year now so I'd like > > to > > > > start > > > > heading towards a solution if possible. > > > > > > > > I am running Debian with Michel's XFree86 4.3.99 DRI trunk > > package, a > > > > recent DRM modules, 2.4.23 kernel, and a MGA G400 MAX. The same > > > > thing > > > > happened with previous MGA G400 16MB. I think something in the > > mga > > > > DRI > > > > driver is stomping on memory used for the fonts, but only under > > > > certain > > > > circumstances (triggered by e.g. quake2 and crack-attack). > > > > > > > > any ideas? > > > > > > > > -- > > > > Ryan Underwood, <[EMAIL PROTECTED]> > > > > > > > > > > > ATTACHMENT part 2 application/pgp-signature name=signature.asc > > > > > > > > > > > > __________________________________ > > > Do you Yahoo!? > > > New Yahoo! Photos - easier uploading and sharing. > > > http://photos.yahoo.com/ > > > > > > > > > ------------------------------------------------------- > > > This SF.net email is sponsored by: IBM Linux Tutorials. > > > Become an expert in LINUX or just sharpen your skills. Sign up for > > IBM's > > > Free Linux Tutorials. Learn everything from the bash shell to sys > > admin. > > > Click now! http://ads.osdn.com/?ad_id=1278&alloc_id=3371&op=click > > > _______________________________________________ > > > Dri-devel mailing list > > > [EMAIL PROTECTED] > > > https://lists.sourceforge.net/lists/listinfo/dri-devel > > > > > > > -- > > Ryan Underwood, <[EMAIL PROTECTED]> > > > > > ATTACHMENT part 2 application/pgp-signature name=signature.asc > > > > __________________________________ > Do you Yahoo!? > New Yahoo! Photos - easier uploading and sharing. > http://photos.yahoo.com/ > > > ------------------------------------------------------- > This SF.net email is sponsored by: IBM Linux Tutorials. > Become an expert in LINUX or just sharpen your skills. Sign up for IBM's > Free Linux Tutorials. Learn everything from the bash shell to sys admin. > Click now! http://ads.osdn.com/?ad_id=1278&alloc_id=3371&op=click > _______________________________________________ > Dri-devel mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/dri-devel > -- Ryan Underwood, <[EMAIL PROTECTED]>
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