This helped:
- get mesa3d from ftp://ftp.freedesktop.org/pub/mesa/7.10.2/ . Build it
following the instructions on http://mesa3d.org which is basically ./configure
&& make
- sudo cp /lib/r300_dri.so /usr/lib/dri/
(and probably the same for radeon_dri.so )
Usual performance for my glxgears 250 fps is back, I had the same and the CPU
is down to 0 (yoohoo!), but at some moment during my experiments I had 286 fps
(the CPU was still at ~0!). At the moment I have no idea how to reproduce this.
The experiments have involved:
1) building x86-ati-driver from the latest sources,
2) building mesa with drmProto,
3) fiddling around with Section "Device" at specially created
/usr/share/X11/xorg.conf.d/20-device.conf,
4) copying /lib/* to /sr/local/lib/GL and setting in ~/.bashrc
export LIBGL_DRIVERS_PATH=/usr/local/lib/GL
export LD_LIBRARY_PATH=/usr/local/lib/GL:$LD_LIBRARY_PATH
Then some parts were left from the rep versions, and some were
overwritten. What namely gave a 20% faster combination is a mystery.
I'm synced to the latest Ubuntu 11.04 repositories, xorg-edgers is NOT
installed.
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https://bugs.launchpad.net/bugs/755791
Title:
[RS690M] No 3d acceleration in Radeon X1200 with new Gallium r300 / 3d
drivers in 11.04
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