[Bug 85064] Intel DRI3 causes extremely slow scrolling on certain pages with WebKitGTK+

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85064

--- Comment #28 from Martin Peres <martin.peres at free.fr> ---
(In reply to Michael Catanzaro from comment #26)
> I've seen this bug on several Linux distros (including Fedora and, I
> believe, openSUSE and Ubuntu) and I fear it's quite unlikely I was using the
> modesetting driver in those cases. But looking at the time I reported this
> bug compared to the time of the xf86-video-intel commit in comment #23,
> perhaps the bug used to affect xf86-video-intel but no longer does?

For sure, Intel was affected. I will try to revert the patch and see if I can
reproduce the same behaviour as the modesetting driver. If so, that will make
it clear what I need to do for the modesetting driver.

I started reading the code of glamor and the modesetting driver, let's hope I
can pull this off. Otherwise, I will contact its original developers for help.

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