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<body><span class="vcard"><a class="email" href="mailto:svillar@igalia.com" title="Sergio Villar Senin <svillar@igalia.com>"> <span class="fn">Sergio Villar Senin</span></a>
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<a class="bz_bug_link
bz_status_NEW "
title="NEW - [GTK] Bad performance in accelerated compositing mode with the modesetting intel driver and DRI3 enabled"
href="https://bugs.webkit.org/show_bug.cgi?id=160491">bug 160491</a>
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<td>svillar@igalia.com
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [GTK] Bad performance in accelerated compositing mode with the modesetting intel driver and DRI3 enabled"
href="https://bugs.webkit.org/show_bug.cgi?id=160491#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [GTK] Bad performance in accelerated compositing mode with the modesetting intel driver and DRI3 enabled"
href="https://bugs.webkit.org/show_bug.cgi?id=160491">bug 160491</a>
from <span class="vcard"><a class="email" href="mailto:svillar@igalia.com" title="Sergio Villar Senin <svillar@igalia.com>"> <span class="fn">Sergio Villar Senin</span></a>
</span></b>
<pre>I was tempted to r+ but it looks like this is an undesirable side effect, so I'd prefer not to rely on that. From the freedesktop bug:
"Weird, not sure why that avoids the problem; maybe there's an off-by-one bug somewhere which causes the window to be incorrectly considered on-screen. I wouldn't recommend relying on that. Also, again I'm not sure that negative coordinates can never be visible."
Also
"Assuming a window is really the only possibility, (why) can't it set the swap interval to 0 via one of the GLX extensions for this, to prevent SwapBuffers operations from getting throttled?"
Can't we do this instead?</pre>
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