Wayland Protocols 1.22 Released With DRM Object Leasing Support For VR HMDs
Written by Michael Larabel in Wayland on 1 September 2021 at 06:56 AM EDT. 4 Comments
WAYLAND --
Designed with VR headsets in mind, Wayland-Protocols 1.22 was released today and adds the DRM leasing protocol to its staging area.

The DRM lease protocol is modeled around Linux's Direct Rendering Manager (DRM) object leasing where the DRM master is able to "lease" a subset of resources to a client. In the case of this Wayland protocol it's about leasing DRM resources for exclusive use by a Wayland client.

As with the DRM leasing code itself, the Wayland DRM lease protocol is pushed along by virtual reality head-mounted displays. With this support, Wayland clients can now request exclusive access to a VR HMD. The X11 support around DRM leasing has been settled whole now with Wayland-Protocols 1.22 the protocol support is debuting in staging form.

There is code pending already for at least Sway/WLROOTS and KDE's KWin/KWaylandServer for lease support. GNOME Mutter developers have also looked at it as well. There is also XWayland DRM leasing patches pending.

The other mostly mundane changes with Wayland-Protocols 1.22 can be found via its release announcement.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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