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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - extra vsync when reading back pixels in xbmc"
href="https://bugs.freedesktop.org/show_bug.cgi?id=79223#c9">Comment # 9</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - extra vsync when reading back pixels in xbmc"
href="https://bugs.freedesktop.org/show_bug.cgi?id=79223">bug 79223</a>
from <span class="vcard"><a class="email" href="mailto:pierre-bugzilla@ossman.eu" title="Pierre Ossman <pierre-bugzilla@ossman.eu>"> <span class="fn">Pierre Ossman</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=79223#c8">comment #8</a>)
<span class="quote">> The vsynced blit path for presentation is implemented by *stalling* GPU
> command processing. That's a big hammer, and might be related to your
> problems. You can skip this (at the cost of tearing in some cases) by
> disabling SwapBuffersWait. Have you tried that, just for testing?</span >
No effect I'm afraid. Since this is a full screen application I assume it was
already using flipping and not blitting anyway?</pre>
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