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Jonas Ådahl e4375046e0 cogl/gl: Handle bogus glGetString(GL_RENDERER) return values 
Seems glGetString(GL_RENDERER) in the wild can return NULL, causing
issues with strstr(). Handle this more gracefully by using
g_return_val_if_fail(), that assumes a NULL renderer means software
rendering.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1931>
2021-07-16 18:17:04 +02:00
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clutter clutter: Remove clutter_init_with_args() 2021-07-15 11:25:21 +02:00
cogl cogl/gl: Handle bogus glGetString(GL_RENDERER) return values 2021-07-16 18:17:04 +02:00
data udev-rules: Use ID_PATH to detect vkms 2021-06-09 19:21:44 +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
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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.

License

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