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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Intel DRI3 causes extremely slow scrolling on certain pages with WebKitGTK+"
href="https://bugs.freedesktop.org/show_bug.cgi?id=85064#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Intel DRI3 causes extremely slow scrolling on certain pages with WebKitGTK+"
href="https://bugs.freedesktop.org/show_bug.cgi?id=85064">bug 85064</a>
from <span class="vcard"><a class="email" href="mailto:mcatanzaro@gnome.org" title="Michael Catanzaro <mcatanzaro@gnome.org>"> <span class="fn">Michael Catanzaro</span></a>
</span></b>
<pre>(In reply to Eero Tamminen from <a href="show_bug.cgi?id=85064#c1">comment #1</a>)
<span class="quote">> Does Mesa commit f7a355556ef5fe23056299a77414f9ad8b5e5a1d help?</span >
I'll try to test this as soon as I can. Sorry for the delay.
<span class="quote">> (It works around DRI3 sync slowdown, but there are also other slowdown bugs
> for DRI3 here in FDO bugtracker, just search for "DRI3".)
>
> Does Epiphany/WebKitGTK+ uses GL for something else besides WebGL</span >
Yes, most notably for accelerated compositing:
"alex: I mean, accelerated compositing is activated by default and probably is
creating some graphic layers that are composited using GL in that webpage"
<span class="quote">> , or do
> these problematic pages use WebGL? </span >
We actually have WebGL disabled by default.
<span class="quote">> Or how Mesa is involved in this (DRI3 is
> mainly X server side thing)?</span >
It might not be a mesa bug; I just filed against mesa because <a class="bz_bug_link
bz_status_NEW "
title="NEW - Intel DRI3 driver hangs WebKitGTK"
href="show_bug.cgi?id=81623">bug #81623</a> was
filed against mesa.</pre>
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