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Dor Askayo 4919a53f84 compositor/native: Enable frame synchronization for surface actors 
Find a surface actor that meets the criteria to drive the refresh
rate for the view. If a new surface actor is found, add a
reference to it and request frame synchronization to be enabled
for the relevant MetaRendererViewNative.

Whenever the surface actor schedules a repaint or an update, and
in case frame synchronization is enabled for the
MetaRendererViewNative, schedule the update to occur "now". This
effectively makes the surface actor's frame rate drive the refresh
rate of the monitor.

If the actor is frozen or destroyed, it is no longer expected to
schedule repaints or updates and should stop driving the refresh
rate.

When there is no surface actor to drive the refresh rate, request
frame synchronization to be disabled for the MetaRendererViewNative.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1154>
2024-03-02 12:08:21 +00:00
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clutter clutter/frame-clock: Add a mode for variable scheduling 2024-03-02 12:08:21 +00:00
cogl cogl: Increase annotation coverage 2024-02-27 14:45:29 +00:00
data monitor-manager: Add support for refresh rate modes 2024-03-02 12:08:21 +00:00
doc clutter/frame-clock: Add a state for when scheduled "now" 2024-02-10 16:16:19 +00:00
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src compositor/native: Enable frame synchronization for surface actors 2024-03-02 12:08:21 +00:00
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README.md misc: Use the new mutter.gnome.org URL 2024-01-12 10:48:20 +00:00

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 of 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 first look at the GNOME Handbook and the documentation and API references below first.

Documentation

API Reference

License

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