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MetaWindowActor is the compositor-side representative of a MetaWindow. Specifically it represents the geometry of the window under Clutter scene graph. MetaWindowActors are backed by MetaSurfaceActors, that represent the windowing system's surfaces themselves. Naturally, these surfaces have textures with the pixel content of the clients associated with them. These textures are represented by MetaShapedTexture. MetaShapedTextures are currently implemented as ClutterActor subclasses that override the paint function to paint the textures it holds. Conceptually, however, Clutter has an abstraction layer for contents of actors: ClutterContent. Which MetaShapedTexture fits nicely, in fact. Make MetaShapedTexture a ClutterContent implementation. This forces a few changes in the stack: * MetaShapedTexture now handles buffer scale. * We now paint into ClutterPaintNode instead of the direct framebuffer. * Various pieces of Wayland code now use MetaSurfaceActor instead of MetaShapedTexture. * MetaSurfaceActorWayland doesn't override size negotiation vfuncs anymore https://gitlab.gnome.org/GNOME/mutter/merge_requests/409 |
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| clutter | ||
| cogl | ||
| data | ||
| doc | ||
| po | ||
| src | ||
| tools | ||
| .gitignore | ||
| .gitlab-ci.yml | ||
| config.h.meson | ||
| COPYING | ||
| meson_options.txt | ||
| meson.build | ||
| mutter.doap | ||
| NEWS | ||
| 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.
The coding style used is primarily the GNU flavor of the GNOME coding
style
with some minor additions such as preferring stdint.h types over GLib
fundamental types, and a soft 80 character line limit. However, in general,
look at the file you're editing for inspiration.
Commit messages should follow the GNOME commit message guidelines. We require an URL to either an issue or a merge request in each commit.
License
Mutter is distributed under the terms of the GNU General Public License, version 2 or later. See the COPYING file for detalis.