[Wayland-bugs] [Bug 74222] New: Lowered fullscreen surfaces get other unrelated surfaces between the fullscreen surface and its black view

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=74222

          Priority: medium
            Bug ID: 74222
          Assignee: wayland-bugs at lists.freedesktop.org
           Summary: Lowered fullscreen surfaces get other unrelated
                    surfaces between the fullscreen surface and its black
                    view
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: pochu27 at gmail.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: weston
           Product: Wayland

To reproduce this you need a client which can go fullscreen but won't cover the
whole screen - that's what the black view is there for.

Steps to reproduce:

Launch some random client (e.g. weston-terminal)
Launch the client as specified above and make it fullscreen
Mod+tab to go to the first client. Mod+tab to go back to the fullscreen client

At this point you expect the fullscreen client to be on the screen, with the
black view right behind it, covering what the client doesn't. However what
you'll have is: [ fullscreen client ] [ other client ] [ black view ].

In the video, I launch gnome-terminal and make it fullscreen with mod-shift-f.

This is a problem related to lower_fullscreen_layer never being reversed, I'll
send a patch to the list in a bit.

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