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Olivier Fourdan 2fb3db7659 compositor: Skip windows not visible to the compositor 
The compositor will automatically unredirect the top most window which
is fully visible on screen. When unredirecting windows, it also shapes
the compositor overlay window (COW) so that other redirected windows
still shows correctly.

The function `get_top_visible_window_actor()` however will simply walks
down the window list, so if a window is placed on a layer above and
unredirected, then iconified by the client, it will still be picked up
by `get_top_visible_window_actor()` and he compositor will reckon it's
still unredirected while not in a visible state anymore, thus leaving a
black area on screen.

Make sure we skip the windows not known to the compositor while picking
the top visible window actor to avoid this issue.

Closes: https://gitlab.gnome.org/GNOME/mutter/issues/306
2018-09-21 18:50:06 +02:00
clutter actor: Also recompute paint volume if we recently dropped effects 2018-09-18 19:39:12 +00:00
cogl cogl: Fix cogl_frame_info_get_frame_counter docs 2018-07-20 15:48:56 +08:00
data Make screen cast and remote desktop non-experimental 2018-06-07 12:57:51 +00:00
doc Remove gtk-doc 2015-07-06 00:52:18 -07:00
po Update Belarusian translation 2018-09-06 15:48:19 +00:00
src compositor: Skip windows not visible to the compositor 2018-09-21 18:50:06 +02:00
tools Clean up the source tree 2014-03-18 20:37:35 -04:00
.gitignore wayland: Implement text-input from wayland-protocols 2018-08-14 15:43:21 +00:00
autogen.sh Fix bashism in autogen.sh 2017-05-11 13:45:44 +02:00
configure.ac Bump version to 3.30.0 2018-09-04 00:05:51 +02:00
COPYING Updated obsolete FSF postal address in COPYING 2014-01-13 11:35:48 -05:00
Makefile.am Fix the merged build 2016-04-27 20:37:47 +02:00
mutter.doap doap: add <programming-language> 2014-07-31 17:50:28 +02:00
NEWS Bump version to 3.30.0 2018-09-04 00:05:51 +02:00
README.md Add README.md 2018-07-30 21:58:59 +02:00

README.md

Mutter

Mutter is a Wayland display server and X11 window manager and compositor library.

When used as a Wayland display server, it runs on top of KMS and libinput. It implements the compositor side of the Wayland core protocol as well as various protocol extensions. It also has functionality related to running X11 applications using Xwayland.

When used on top of Xorg it acts as a X11 window manager and compositing manager.

It contains functionality related to, among other things, window management, window compositing, focus tracking, workspace management, keybindings and monitor configuration.

Internally it uses a fork of Cogl, a hardware acceleration abstraction library used to simplify usage of OpenGL pipelines, as well as a fork af Clutter, a scene graph and user interface toolkit.

Mutter is used by GNOME Shell, the GNOME core user interface. It can also be run standalone, using the command "mutter", but just running plain mutter is only intended for debugging purposes.

License

Mutter is distributed under the terms of the GNU General Public License, version 2 or later. See the COPYING file for detalis.