[PD] very bad GEM performance

Georg Holzmann grhPD at gmx.at
Sat Jun 18 17:24:24 CEST 2005


> My card (Radeon M9) doesn't permit dri if I have dual screens. Maybe if
> you check /var/log/Xorg0.log you'll see a similar warning.
Thanks, I also have a ATI radeon:

holzi at holzi:/var/log$ cat XFree86.0.log | grep DRI
(II) Loading extension XFree86-DRI
(WW) RADEON(0): Direct Rendering Disabled -- Dual-head configuration is not
working with DRI at present.

google says:
The dri driver (ATI) does not support dual-head and 3d acceleration at the
same time. If you're feeling adventurous, you should be able to get this to
work with a patch, as long as both your screens don't exceed 2048 pixels in
one dimension.

But anyhow, I don't need it in the moment, I will try it when I need it ...


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