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Linaro Continues Working On Wayland DMA-BUF

Wayland

Published on 08 January 2014 12:03 AM EST
Written by Michael Larabel in Wayland
1 Comment

While Linaro has strong ties to the Ubuntu community, Linaro developers continue to be working on Wayland over Mir and a developer has now published the latest revision to Wayland's DMA-BUF support.

Benjamin Gaignard of Linaro has been working to support DMA-BUF inside Wayland/Weston. With this, it would be possible to pass DMA-BUF file descriptors inside Wayland/Weston for passing buffers instead of relying upon Mesa EGL and being more efficient than using the wl_shm shared memory where an extra copy would be involved in moving buffers.

The wl_dmabuf protocol is added as a result of this work, including the changes to support it within Weston and a simple example too. The patch-set is now up to its fourth revision and can be found on the Wayland-devel list.

This work is too late for the upcoming featureful Wayland/Weston 1.4 release but it hopefully could make it for the next major release, Wayland/Weston 1.5.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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