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Ray Strode 2cb617e9e0 backend: Clean up renderer after clutter backend 
commit c4a73e7950 added
code to cleanup the renderer when the meta backend is
disposed. Unfortunately, this introduced a crash when
the window manager is replaced.

This is because cleaning up the renderer involves talking
to the X server over a display connection that's closed
two lines higher as part of the clutter_backend_destroy
call.

This commit fixes the crash by swapping their order.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1965>
2021-08-31 16:41:11 +00:00
.gitlab/issue_templates gitlab: Add missing < in markdown comment tag 2020-02-14 03:10:28 +00:00
.gitlab-ci ci: Switch to meson's generated Junit report 2021-08-22 17:32:12 +00:00
clutter clutter/frame-clock: Correct indentation 2021-08-24 16:43:49 +08:00
cogl cogl: Fix GL_EXT_discard_framebuffer extension check 2021-08-24 18:33:09 +02:00
data data: Stop exposing old panel-main-menu shortcut 2021-08-30 21:43:34 +00:00
doc Add MetaGravity and replace X11 equivalent with it 2020-02-29 21:01:50 +00:00
meson build: Add postinstall script 2019-08-27 09:57:54 +00:00
po Update Kazakh translation 2021-08-30 08:24:26 +00:00
src backend: Clean up renderer after clutter backend 2021-08-31 16:41:11 +00:00
subprojects build: bump ABI to sysprof-capture-4 2020-07-28 11:13:30 -07:00
tools tools: Add uncrustify config file 2021-08-22 21:26:16 +02:00
.gitignore build: bump ABI to sysprof-capture-4 2020-07-28 11:13:30 -07:00
.gitlab-ci.yml ci: Build gjs from git 2021-08-30 20:11:57 +00:00
check-style.py ci: Avoid deadlock while reading uncrustify output 2021-08-23 17:40:43 +02:00
config.h.meson xwayland: Check for listenfd option 2021-01-22 11:40:30 +01:00
COPYING Updated obsolete FSF postal address in COPYING 2014-01-12 08:44:30 +07:00
HACKING.md project: Add HACKING.md 2021-06-29 17:29:49 -03:00
meson_options.txt meson: Add udev_dir option 2021-05-04 15:53:24 +00:00
meson.build build: Stop using source_root()/build_root() 2021-08-22 17:32:12 +00:00
mutter.doap mutter.doap: Add marge-bot as a maintainer 2020-11-16 11:59:45 +01:00
NEWS Bump version to 41.beta 2021-08-17 23:12:33 +02:00
README.md docs: Add README section for default branch 2021-07-18 23:14:16 +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, for example, GNOME Shell, the GNOME core user interface, and by Gala, elementary OS's window manager. It can also be run standalone, using the command "mutter", but just running plain mutter is only intended for debugging purposes.

Contributing

To contribute, open merge requests at https://gitlab.gnome.org/GNOME/mutter.

It can be useful to look at the documentation available at the Wiki.

Coding style and conventions

See HACKING.md.

Git messages

Commit messages should follow the GNOME commit message guidelines. We require an URL to either an issue or a merge request in each commit. Try to always prefix commit subjects with a relevant topic, such as compositor: or clutter/actor:, and it's always better to write too much in the commit message body than too little.

Default branch

The default development branch is main. If you still have a local checkout under the old name, use:

git checkout master
git branch -m master main
git fetch
git branch --unset-upstream
git branch -u origin/main
git symbolic-ref refs/remotes/origin/HEAD refs/remotes/origin/main

License

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