[Webkit-unassigned] [Bug 80747] New: [Gtk] Flickering occurs when intensively resizing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=80747

           Summary: [Gtk] Flickering occurs when intensively resizing
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebKit Gtk
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: zandobersek at gmail.com
                CC: otte at gnome.org, gns at gnome.org, plaes at plaes.org,
                    mrobinson at webkit.org


In ToT, when resizing GtkLauncher, flickering occurs. To reproduce, compile WebKitGTK+ with a bit modified dependencies (GLib 2.31.20, Gdk-Pixbuf 2.25.2, Gtk+ 3.3.14 or newer) amd run the GtkLauncher (through Tools/gtk/run-with-jhbuild). The GtkLauncher will use the default theme (raleigh), haven't tested this with any other themes. This issue might as well occur in 1.8.

The problem started occurring between Gtk+ 3.3.12 and 3.3.14.
I've bisected the Gtk+ tree and found that the offending commit made changes to the default theme regarding the background color.[1]

A similar issue, though presenting itself in a different way, came up on the GNOME 3.4 blocker list[2], but is currently on its way of that list (seemed to be a local install problem).

[1] http://git.gnome.org/browse/gtk+/commit/?id=4dd9a73c8ae5254361e746a3013e952e0f72d6a3
[2] https://bugzilla.gnome.org/show_bug.cgi?id=671437

CC-ing all involved in the past couple of days.

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