[Webkit-unassigned] [Bug 160491] [GTK] Bad performance in accelerated compositing mode with the modesetting intel driver and DRI3 enabled

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Aug 3 21:55:30 PDT 2016


--- Comment #7 from Carlos Garcia Campos <cgarcia at igalia.com> ---
(In reply to comment #6)
> (In reply to comment #2)
> > I was tempted to r+ but it looks like this is an undesirable side effect, so
> > I'd prefer not to rely on that.
> My main concern is that it might be a bug that the negative offset works to
> avoid throttling.

Right, that's why I don't consider it a fix, if that's actually a bug and is fixed eventually the performance will be bad again, but I'm pretty sure we will not be the only ones affected like now, because most of the code that creates an offscreen window use negative coords, either -1, -1 or -100, -100.

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