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<body><span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span> changed
<a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [DRI2] race between compositor and clients when using SwapBuffer exchanges"
href="https://bugs.freedesktop.org/show_bug.cgi?id=58005">bug 58005</a>
<br>
<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Priority</td>
<td>medium
</td>
<td>low
</td>
</tr>
<tr>
<td style="text-align:right;">Summary</td>
<td>[G45 SNA] objects flickering in warzone2100 when in fullscreen mode
</td>
<td>[DRI2] race between compositor and clients when using SwapBuffer exchanges
</td>
</tr></table>
<p>
<div>
<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [DRI2] race between compositor and clients when using SwapBuffer exchanges"
href="https://bugs.freedesktop.org/show_bug.cgi?id=58005#c10">Comment # 10</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [DRI2] race between compositor and clients when using SwapBuffer exchanges"
href="https://bugs.freedesktop.org/show_bug.cgi?id=58005">bug 58005</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>As no one has reviewed my xorg patches to reduce the race, time to hack the
ddx:
commit 162e9a2bfc693db186aa481551cf76b3dc5ee55c
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Date: Mon Dec 10 23:11:48 2012 +0000
sna/dri: Disable name exchanges for SwapBuffers
The DRI2 protocol is inherently racy. Fortuituously, this can be swept
under the carpet by forcing the serialisation between the DRI2 clients
by using a blit for the SwapBuffers.
References: <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [DRI2] race between compositor and clients when using SwapBuffer exchanges"
href="show_bug.cgi?id=58005">https://bugs.freedesktop.org/show_bug.cgi?id=58005</a>
Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>></pre>
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