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John Lindgren 2b767fe743 backend/libinput: Fix SIGSEGV found in low-memory fuzzing 
Stack trace:

    #0  0x00007f17081f5b99 in wl_list_insert (list=list@entry=0x2d8, elm=elm@entry=0x7ffe7f7e85d0)
        at ../wayland-1.21.0/src/wayland-util.c:48
    #1  0x00007f17081f5f2e in wl_signal_emit_mutable (signal=signal@entry=0x2d8, data=data@entry=0x7ffe7f7e8660)
        at ../wayland-1.21.0/src/wayland-server.c:2167
    #2  0x00007f170815a971 in handle_switch_toggle (wlr_switch=0x2a0, event=0x55d5ba13dc00)
        at ../backend/libinput/switch.c:50
    #3  handle_libinput_event (event=0x55d5ba13dc00, backend=0x55d5b975d740) at ../backend/libinput/events.c:234
    #4  handle_libinput_readable (fd=<optimized out>, mask=<optimized out>, _backend=<optimized out>)
        at ../backend/libinput/backend.c:58
    #5  handle_libinput_readable (fd=fd@entry=34, mask=mask@entry=1, _backend=_backend@entry=0x55d5b975d740)
        at ../backend/libinput/backend.c:48
    #6  0x00007f170815c110 in backend_start (wlr_backend=0x55d5b975d740) at ../backend/libinput/backend.c:109
    #7  0x00007f1708160996 in multi_backend_start (wlr_backend=0x55d5b97583d0) at ../backend/multi/backend.c:32
2022-09-22 13:37:32 -04:00
.builds ci/archlinux: enable address and undefined sanitizers 2021-11-19 16:42:14 +00:00
backend backend/libinput: Fix SIGSEGV found in low-memory fuzzing 2022-09-22 13:37:32 -04:00
docs wlr_scene: Account for occlusion by other scene nodes when calculating visibility 2022-08-14 02:38:51 -04:00
examples wlr_input_device: remove anon union field 2022-06-21 18:42:07 +00:00
include backend/drm: pass through mode picture aspect ratio 2022-09-22 09:38:27 +02:00
protocol wlr-output-management: Implement version 3 release requests 2022-08-24 14:10:23 +00:00
render render/vulkan: add error handling for vulkan_find_mem_type() 2022-09-19 10:33:29 +00:00
tinywl tinywl: exit on backend, renderer or allocator creation failure 2022-06-28 13:43:36 +00:00
types cursor: Don't warp to (0,0) when last output is disconnected 2022-09-21 14:25:09 -04:00
util util/set: overhaul 2022-08-29 13:48:42 +00:00
xcursor meson: replace join_paths() with / operator 2022-09-14 10:02:56 +02:00
xwayland Use wl_signal_emit_mutable 2022-08-18 07:16:16 -04:00
.editorconfig editorconfig: set max_line_length 2022-01-20 15:09:15 +01:00
.gitignore gitignore: remove build dir entries 2022-06-14 10:08:54 +02:00
.gitlab-ci.yml ci: add .gitlab-ci.yml 2021-11-01 16:51:18 +01:00
CONTRIBUTING.md contributing: add section about documentation conventions 2022-05-25 14:22:58 +00:00
LICENSE Update LICENSE year (MIT license) 2018-04-12 21:29:59 -04:00
meson.build render/egl: improve DMA-BUF format/modifier logging 2022-09-14 12:13:17 +02:00
meson_options.txt build: make GBM optional 2022-05-30 13:30:08 +00:00
README.md build: make GBM optional 2022-05-30 13:30:08 +00:00
wlroots.syms build: simplify version script 2021-06-17 11:03:21 +02:00

README.md

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: #sway-devel 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
  • pixman
  • libseat

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 build/
ninja -C build/

Install like so:

sudo ninja -C build/ install

Contributing

See CONTRIBUTING.md.