101 lines
3.7 KiB
Markdown
101 lines
3.7 KiB
Markdown
# wlroots
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Pluggable, composable, unopinionated modules for building a
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[Wayland](http://wayland.freedesktop.org/) compositor; or about 40,000 lines of
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code you were going to write anyway.
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- wlroots provides backends that abstract the underlying display and input
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hardware, including KMS/DRM, libinput, Wayland, X11, and headless backends,
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plus any custom backends you choose to write, which can all be created or
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destroyed at runtime and used in concert with each other.
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- wlroots provides unopinionated, mostly standalone implementations of many
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Wayland interfaces, both from wayland.xml and various protocol extensions.
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We also promote the standardization of portable extensions across
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many compositors.
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- wlroots provides several powerful, standalone, and optional tools that
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implement components common to many compositors, such as the arrangement of
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outputs in physical space.
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- wlroots provides an Xwayland abstraction that allows you to have excellent
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Xwayland support without worrying about writing your own X11 window manager
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on top of writing your compositor.
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- wlroots provides a renderer abstraction that simple compositors can use to
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avoid writing GL code directly, but which steps out of the way when your
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needs demand custom rendering code.
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wlroots implements a huge variety of Wayland compositor features and implements
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them *right*, so you can focus on the features that make your compositor
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unique. By using wlroots, you get high performance, excellent hardware
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compatibility, broad support for many wayland interfaces, and comfortable
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development tools - or any subset of these features you like, because all of
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them work independently of one another and freely compose with anything you want
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to implement yourself.
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**Status**: prior to 1.0 the API is not stable, but we've done most of the work
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and various projects are using wlroots to build Wayland compositors with.
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wlroots is developed under the direction of the
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[sway](https://github.com/swaywm/sway) project. A variety of wrapper libraries
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[are available](https://github.com/swaywm) for using it with your favorite
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programming language.
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## Building
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Install dependencies:
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* meson
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* wayland
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* wayland-protocols
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* EGL
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* GLESv2
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* libdrm
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* GBM
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* libinput
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* xkbcommon
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* udev
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* pixman
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* systemd (optional, for logind support)
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* elogind (optional, for logind support on systems without systemd)
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* libcap (optional, for capability support)
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If you choose to enable X11 support:
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* xcb
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* xcb-composite
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* xcb-xfixes
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* xcb-image
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* xcb-render
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* x11-xcb
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* xcb-errors (optional, for improved error reporting)
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* x11-icccm (optional, for improved Xwayland introspection)
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* xcb-xkb (optional, for improved keyboard handling on the X11 backend)
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Run these commands:
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meson build
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ninja -C build
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If you use Meson older than 0.48.0 on FreeBSD, you need to pass an extra flag
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to prevent a linking error: `meson build -D b_lundef=false`.
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Install like so:
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sudo ninja -C build install
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## Running the test compositor
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wlroots comes with a test compositor called rootston, which demonstrates the
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features of the library and is used as a testbed for the development of the
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library. It may also be useful as a reference for understanding how to use
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various wlroots features.
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If you followed the build instructions above the rootston executable can be
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found at `./build/rootston/rootston`. To use it, refer to the example config at
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[./rootston/rootston.ini.example](https://github.com/swaywm/wlroots/blob/master/rootston/rootston.ini.example)
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and place a config file of your own at `rootston.ini` in the working directory
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(or in an arbitrary location via `rootston -C`). Other options are available,
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refer to `rootston -h`.
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## Contributing
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See [CONTRIBUTING.md](https://github.com/swaywm/wlroots/blob/master/CONTRIBUTING.md).
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