[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 00:50:07 PDT 2016


Sergio Villar Senin <svillar at igalia.com> changed:

           What    |Removed                     |Added
                 CC|                            |svillar at igalia.com

--- Comment #2 from Sergio Villar Senin <svillar at igalia.com> ---
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."


"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?

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