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Wayland PRIME Support Revived For Mesa

Wayland

Published on 05 January 2014 05:06 PM EST
Written by Michael Larabel in Wayland
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Back in November there was experimental DRI PRIME support for Wayland via a set of Mesa graphics driver patches. Those patches have now been revived for multi-GPU rendering support.

The second revision to the Wayland PRIME patches for Mesa are still flying under a "request for comments" flag and implement DRI PRIME support in full to allow secondary GPUs to provide rendering support within the next-generation Linux display server.

The patches also provide the benefit of allowing the drirc file to specify the GPU for rendering rather than relying upon the DRI_PRIME environment variable.

For good rendering performance on a secondary GPU with Wayland, the other GPU should have an embedded Wayland compositor on the other card where the application should be launched to, so that the application can render to a tiled buffer and the compositor then does a linear buffer copy to the main Wayland compositor.

More detailed on this revived DRI PRIME Wayland Mesa work can be found via the new patch-set on the mailing list.

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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