Wayland Presentation Feedback Extension Moves Forward
Written by Michael Larabel in Wayland on 11 February 2014 at 11:44 PM EST. 2 Comments
The Wayland/Weston Presentation extension has been revised with presentation feedback support implemented.

This extension to Wayland allows queuing frames for showing at a target presentation time. The extension was covered in more detail last month on Phoronix. This extension is mostly useful for video playback applications and others that need precisely-timed showing of content.

Right now the presentation patches offer a new demo for the Weston compositor for showing 60 pre-renderered frames and cycling through them while measuring the timings and being tied to the display's refresh rate. More details on this Wayland presentation work can be found via this mailing list thread and this Git branch. The code continues to be worked on a lot by Pekka Paalanen of Collabora.

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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 10,000 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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