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<body><span class="vcard"><a class="email" href="mailto:kenneth@whitecape.org" title="Kenneth Graunke <kenneth@whitecape.org>"> <span class="fn">Kenneth Graunke</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - Pretty huge slowdown in mesa 9.0"
href="https://bugs.freedesktop.org/show_bug.cgi?id=55998">bug 55998</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
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<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>NOTOURBUG
</td>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - Pretty huge slowdown in mesa 9.0"
href="https://bugs.freedesktop.org/show_bug.cgi?id=55998#c26">Comment # 26</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - Pretty huge slowdown in mesa 9.0"
href="https://bugs.freedesktop.org/show_bug.cgi?id=55998">bug 55998</a>
from <span class="vcard"><a class="email" href="mailto:kenneth@whitecape.org" title="Kenneth Graunke <kenneth@whitecape.org>"> <span class="fn">Kenneth Graunke</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=55998#c25">comment #25</a>)
<span class="quote">> I've pushed a patch to KWin that should fix the problem. The patch is in
> both master and the 4.9 branch, so you should see it in 4.9.3. That release
> will be tagged on Thursday.</span >
Thanks Fredrik! Based on that, I'm closing this as RESOLVED/NOTOURBUG.
<span class="quote">> @Rune: The GLX backend in KWin uses glXGetFBConfigs(), so the ordering rules
> in the spec don't apply here. I've thought about rewriting that code to use
> glXChooseFBConfig(), but I'm reluctant to touch working code without a good
> reason. This bug might be enough of a reason to do that though.</span >
@Rune: Feel free to double check by running glxinfo, but I believe the ordering
is correct: multisample configs are always sorted later, as required.
Using glXChooseFBConfig() does seem like a good idea...could guard against
future problems (though I don't know what), and should simplify the code a fair
bit. Also, KWin's EGL backend uses eglChooseConfig() and it never had this
problem. That would also make the GLX and EGL backends more similar.
Thanks again.</pre>
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