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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Unusably slow OpenGL performance on nouveau (GeForce 9600 GT) with X server 1.18 with rotated output"
href="https://bugs.freedesktop.org/show_bug.cgi?id=92271#c25">Comment # 25</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Unusably slow OpenGL performance on nouveau (GeForce 9600 GT) with X server 1.18 with rotated output"
href="https://bugs.freedesktop.org/show_bug.cgi?id=92271">bug 92271</a>
from <span class="vcard"><a class="email" href="mailto:adamw@happyassassin.net" title="Adam Williamson <adamw@happyassassin.net>"> <span class="fn">Adam Williamson</span></a>
</span></b>
<pre>OK, so I finally got a good test. I built a snapshot exactly at the DRI
2-by-default commit -
<a href="http://cgit.freedesktop.org/nouveau/xf86-video-nouveau/commit/?id=6296145654b78518f3299bb5887f224f0d3810fd">http://cgit.freedesktop.org/nouveau/xf86-video-nouveau/commit/?id=6296145654b78518f3299bb5887f224f0d3810fd</a>
- and that one loads OK. And indeed it behaves as we suspected: it works at
full speed by default, if I force DRI 3, it loads but runs very slowly.
So the slowness-when-rotated is a genuine bug that's specific to DRI 3 mode, I
guess.</pre>
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