[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 #22 from Michel Dänzer <michel at daenzer.net> ---
(In reply to Martin Peres from comment #21)
> I tried using the modesetting driver and got absolute garbage out. Stale
> rendering, extreme slowness. Why didn't I think of this before...
> 
> Anyway, will try to see if I can fix this issue. Seems like I will have a
> happy time in glamor and mesa's code tomorrow.

Note that I couldn't reproduce this problem with xf86-video-ati using glamor. I
guess the problem could be in the Mesa driver, but the modesetting driver seems
more likely.

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