[Webkit-unassigned] [Bug 192522] New: [GTK] Window shadows broken in AC mode with amdgpu or noveau graphics

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=192522

            Bug ID: 192522
           Summary: [GTK] Window shadows broken in AC mode with amdgpu or
                    noveau graphics
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Gtk
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mcatanzaro at igalia.com
                CC: bugs-noreply at webkitgtk.org, otte at gnome.org

Window shadows are borked for me in AC mode. This bug *seems* to affect amdgpu and noveau users, but not Intel graphics.

See: https://gitlab.gnome.org/GNOME/gtk/issues/1401

After some debugging with Company we determined "the shadows are NOT messed up in the image passed to gdk_window_end_paint_internal()" and that "we use OpenGL (in gdk-wayland) to send the window contents to the compositor and it seems that is going wrong once Webkit gets involved"

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