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GPU Offloading Support In Wayland Moves Along

Wayland

Published on 05 February 2014 01:26 PM EST
Written by Michael Larabel in Wayland
5 Comments

Support for GPU offloading is making good progress in Wayland and building upon offloading improvements originally worked on for X.Org.

The Wayland GPU offloading builds upon the work already laid by DRM render-nodes, DRI2/DRI3, and DMA-BUF and is implemented within a Wayland world. Right now GPU offloading can work with Wayland but there's no screen synchronization and thus tearing can happen, but that will ultimately be corrected.

Also desired as improvements is no server-side support for DRI PRIME, making no configuration support necessary, support for all graphics devices, hot-plugging support, and client-side buffer compatibility. Axel Davy has been the developer working on this GPU offloading support within Wayland. The design is using DRM-render nodes, DRI_PRIME with Mesa, and supports shutting down the dedicated GPU when it isn't rendering.

Axel has been working on Present support for XWayland, DRI3 XWayland support, the Mesa DRI PRIME patches for Wayland, and other changes. This developer gave a talk last weekend at FOSDEM 2014 about Wayland GPU offloading. If you're interested in learning many more details about the design, the current work, and the work ahead, check out Axel Davy's PDF slides.

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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