Hello,
I just wanted to report success running the Linux native version of Doom 3 with the open-source ATI driver with only minor glitches.
Congratulations: you've beated ATI's propretary driver which still doesn't work properly with Doom :-)
To get it working, I've built the latest CVS snapshots of xorg, dri and Mesa, plus the external S3TC library:
http://homepage.hispeed.ch/rscheidegger/dri_experimental/s3tc_index.html
For the past few days, I couldn't get Mesa to build in the xorg tree with working direct-rendering. So I've applied Adam's recent patch to build GLX in Mesa's tree:
http://sourceforge.net/mailarchive/forum.php?thread_id=5797905&forum_id=5154
The patch doesn't care update the Makefile to install the dri modules, so I had to install the manually. I also had to change the modules path hardcoded in libGL by adding -DDEFAULT_DRIVER_DIR=\"/usr/local/xorg/lib/modules/dri\" to CFLAGS.
The DRM linux-core worked fine with 2.6.9 (almost vanilla), of course after disabling the in-kernel version. I hope the new core can soon be dropped in Linus's tree or at least in -mm.
After installing all this stuff, everything was fine with glxinfo, glxgears and et, while doom3 was just crashing. This was easily fixed with the LD_PRELOAD trick:
LD_PRELOAD=/usr/local/xorg/lib/libGL.so.1 doom3
Speed with my 9200 is almost as good as with Wine's version: 15 to 30fps depending on the scene complexity, with a usual rate of 22-25fps.
The only thing I'm complaining about is the light torch: the aura looks good, but the projected light circle is invisible most of the times. Other lightning effects look fine, including dangling lights in ceilings.
I also noticed that wine + Doom3.exe doesn't work any more (blue window complaining about OPENGL32.DLL missing). I'm not sure if it's caused by new Mesa or new Wine, but I could investigate.
-- // Bernardo Innocenti - Develer S.r.l., R&D dept. \X/ http://www.develer.com/
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