A modular Wayland compositor library
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Kenny Levinsen 867960d6f4 compositor: Clean up surface current_outputs last
During surface resource cleanup, several signals will be emitted. If any
of these end up calling wlr_surface_send_enter, a new output could be
added to the current_outputs list. This would result in a leaked
surface_output and a dangling wlr_surface pointer.

Clean up current_outputs last.

References: https://github.com/swaywm/sway/issues/8650
2025-04-14 12:46:02 +02:00
.builds ci: fetch gyosu from new upstream 2025-03-06 10:32:09 +01:00
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backend backend/drm: pass DRM_MODE_ATOMIC_NONBLOCK for test commits 2025-03-24 12:45:47 +00:00
docs render: add WLR_RENDERER_FORCE_SOFTWARE env var 2024-12-22 21:37:57 +00:00
examples fullscreen-shell: remove 2025-03-30 01:15:09 +03:00
include scene: Move single-pixel buffer things to scene_buffer 2025-04-11 14:01:35 +00:00
protocol color-management-v1: new protocol 2025-03-30 16:31:17 +02:00
render render/color: add wlr_color_transfer_function_get_default_luminance() 2025-03-30 16:21:26 +02:00
subprojects build: add Meson wrap manifests for our dependencies 2024-12-22 21:24:03 +00:00
tinywl Assert (almost all) signals have no attached listeners on destroy 2025-01-15 19:53:11 +03:00
types compositor: Clean up surface current_outputs last 2025-04-14 12:46:02 +02:00
util util/matrix: add matrix_invert() 2025-03-30 16:21:26 +02:00
xcursor xcursor/wlr_xcursor: properly clean xcursor in case of realloc failure in load_callback 2024-04-18 16:47:07 +02:00
xwayland xwayland/selection/dnd: always send finished event 2025-03-23 15:17:10 +01:00
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CONTRIBUTING.md CONTRIBUTING.md: mention listener list assertions 2025-01-20 16:17:12 +03:00
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README.md backend/drm: use libdisplay-info to parse EDID 2023-02-28 14:44:02 +00:00
wlroots.syms build: simplify version script 2021-06-17 11:03:21 +02:00

wlroots

Pluggable, composable, unopinionated modules for building a Wayland compositor; or about 60,000 lines of code you were going to write anyway.

  • wlroots provides backends that abstract the underlying display and input hardware, including KMS/DRM, libinput, Wayland, X11, and headless backends, plus any custom backends you choose to write, which can all be created or destroyed at runtime and used in concert with each other.
  • wlroots provides unopinionated, mostly standalone implementations of many Wayland interfaces, both from wayland.xml and various protocol extensions. We also promote the standardization of portable extensions across many compositors.
  • wlroots provides several powerful, standalone, and optional tools that implement components common to many compositors, such as the arrangement of outputs in physical space.
  • wlroots provides an Xwayland abstraction that allows you to have excellent Xwayland support without worrying about writing your own X11 window manager on top of writing your compositor.
  • wlroots provides a renderer abstraction that simple compositors can use to avoid writing GL code directly, but which steps out of the way when your needs demand custom rendering code.

wlroots implements a huge variety of Wayland compositor features and implements them right, so you can focus on the features that make your compositor unique. By using wlroots, you get high performance, excellent hardware compatibility, broad support for many wayland interfaces, and comfortable development tools - or any subset of these features you like, because all of them work independently of one another and freely compose with anything you want to implement yourself.

Check out our wiki to get started with wlroots. Join our IRC channel: #wlroots on Libera Chat.

A variety of wrapper libraries are available for using it with your favorite programming language.

Building

Install dependencies:

  • meson
  • wayland
  • wayland-protocols
  • EGL and GLESv2 (optional, for the GLES2 renderer)
  • Vulkan loader, headers and glslang (optional, for the Vulkan renderer)
  • libdrm
  • GBM (optional, for the GBM allocator)
  • libinput (optional, for the libinput backend)
  • xkbcommon
  • udev (optional, for the session)
  • pixman
  • libseat (optional, for the session)
  • hwdata (optional, for the DRM backend)
  • libdisplay-info (optional, for the DRM backend)
  • libliftoff (optional, for the DRM backend)

If you choose to enable X11 support:

  • xwayland (build-time only, optional at runtime)
  • libxcb
  • libxcb-render-util
  • libxcb-wm
  • libxcb-errors (optional, for improved error reporting)

Run these commands:

meson setup build/
ninja -C build/

Install like so:

sudo ninja -C build/ install

Contributing

See CONTRIBUTING.md.