[Bug 1424] Font rendering glitches with Render Acceleration enabled on radeon

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https://bugs.freedesktop.org/show_bug.cgi?id=1424          
     




------- Additional Comments From anton@truxtar.com  2005-01-26 20:02 -------
(In reply to comment #25)
> Ok, tested it a bit, and with DRI enabled the next texture loading method seems
> to work fine. So - as far as I am concerned - the patch is not necessary in that
> case. Thanks, Michael!
> 
> w/o DRI the rendering bug still shows up. Michael, is the new texture uploading
> routine usable without DRI as well, or shall I adapt my patch for the non-DRI
> case only?
> 
> Anton, can you verify that you still get any glitches, and if this is the case
> verify that you have DRI enabled?

Well, I haven't seen any of the glitches since I started using 6.8.2-rc2. 

Also, the slowdown with xcompmgr is gone in 6.8.3-rc3 (which has Roland's
patch). I actually think it was something I did, or something with my system.

I think the main xcompmgr slowdowns I saw were related to the new 0/1 scheduler
in the 2.6 kernel (once the X server started hogging resources, the scheduler
gave it lower priority). By setting the X server (and xcompmgr) priority to '-5'
as opposed to the recommended '0' on 2.6 kernels, I get very decent xcompmgr
performance on my R100 (without fading windows).

Anyways, I've tried it with HEAD, and I didn't notice any difference with
performance or visually. Is there anything special I have to do to enable the
new DRI texture uploads? glxinfo shows "direct rendering: Yes". 'glxgears' still
gives me the same framerate, if that is an indicator.
          
     
     
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