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Michel Dänzer 2c70120555 surface-actor-wayland: Do not acquire scanout if actor appears obscured
This can happen if a texture was newly assigned to the actor, but the
unobscured region hasn't been updated yet. Without bailing here, the
actor would display correctly via direct scanout, but other parts of
mutter would continue considering it obscured, which would e.g. result
in no frame callbacks getting sent for its surface.

Closes: https://gitlab.gnome.org/GNOME/mutter/-/issues/1636
Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2112>
2021-11-26 12:47:44 +01:00
.gitlab/issue_templates gitlab: Add missing < in markdown comment tag 2020-02-14 03:10:28 +00:00
.gitlab-ci ci: Move test setup into template job 2021-09-05 00:15:56 +02:00
clutter clutter/timeline: Make the warning about detached actors more helpful 2021-11-15 13:52:14 +00:00
cogl tests: Don't continue if setup commands fail 2021-11-17 09:04:07 +00:00
data gschema: Turn experimental features into flags 2021-10-26 16:24:41 +00:00
doc startup: Optionally run (and exit with) a command 2021-11-04 04:18:32 -05:00
meson build: Check NEWS for version 2021-09-05 00:15:56 +02:00
po Update Occitan translation 2021-11-22 09:24:33 +00:00
src surface-actor-wayland: Do not acquire scanout if actor appears obscured 2021-11-26 12:47:44 +01:00
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: Fix junit artifact file name 2021-10-26 17:53:50 +02:00
check-style.py ci: Avoid deadlock while reading uncrustify output 2021-08-23 17:40:43 +02:00
config.h.meson meson: Add optional libsystemd dependency 2021-09-02 21:54:30 +00:00
COPYING Updated obsolete FSF postal address in COPYING 2014-01-12 08:44:30 +07:00
HACKING.md docs: Update coding style link 2021-11-09 19:52:14 +01:00
meson_options.txt meson: Add optional libsystemd dependency 2021-09-02 21:54:30 +00:00
meson.build meson: Add 'plain' test setup 2021-11-16 23:54:46 +01:00
mutter.doap mutter.doap: Add marge-bot as a maintainer 2020-11-16 11:59:45 +01:00
NEWS Bump version to 41.0 2021-09-19 12:41:29 +02:00
README.md docs: Add README section for default branch 2021-07-18 23:14:16 +02:00

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.