this post was submitted on 23 Nov 2023
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Wlroots 0.17.0 released (gitlab.freedesktop.org)
submitted 11 months ago* (last edited 11 months ago) by Chewy7324@discuss.tchncs.de to c/linux@lemmy.ml
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Release highlights:

  • New protocol implementations:

    • content-type-v1 to tag surfaces with their content type (audio, video, game, etc).
    • xwayland-shell-v1 to improve XWayland reliability.
    • wp-fractional-scale-v1 to allow clients to submit buffers with a non-integer scale factor matching the output.
    • tearing-control to allow clients to opt-in for tearing page-flips.
    • security-context-v1 to identify clients running in sandboxes.
    • cursor-shape-v1 for server-side cursor themes.

  • Introduce a new output layers API to leverage KMS planes.

  • Add a new renderer API with improved design and performance. Add an API to query the time taken to render.

  • Continued work on the Vulkan renderer: add more RGB formats, add YUV buffers, add interoperability with implicit synchronization instead of blocking.

  • Add support for the new wl_surface.preferred_buffer_{scale,transform} events.

  • Improved scene-graph, including support for linux-dmabuf feedback and clipping surfaces.

  • Improved wlr_cursor which now keeps track of the current cursor image.

  • Add an implementation of the wl_shm interface, replacing libwayland's for improved reliability and performance.

  • The Wayland backend supports embedding a wlroots compositor inside an existing Wayland client.

  • wl_surface roles have been refactored.

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[–] Chewy7324@discuss.tchncs.de 2 points 11 months ago

wlroots is a library that can be used to implement a compositor like KWin or mutter (GNOME). In practice wlroots is used in Sway, Hyprland, river, and more.

What wlroots-based compositors, KWin, and mutter share is that they implement a similar set of the display protocol Wayland. E.g. KWin and Sway implement the Wayland extension wlr_layer_shell