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Glamor Acceleration For The Intel X.Org Driver

Intel

Published on 11 November 2011 08:41 AM EST
Written by Michael Larabel in Intel
1 Comment

Zhigang Gong of Intel has published patches this morning that integrate Glamor acceleration support into the xf86-video-intel DDX driver.

Glamor is the new project that provides OpenGL-based 2D acceleration for X.Org and was presented back in September and the server-side bits are set to be merged into the X.Org Server. Today's patches setup the bits in the xf86-video-intel driver to take advantage of Glamor for Intel hardware.

Glamor won't be the default means of acceleration in the Intel DDX driver, at least for now, but the support has to be toggled at build-time using an --enable-glamor switch. With the support for this GL-derived acceleration, it's enabled along the UXA paths and depends upon an EGL context.

Hooking in Glamor support to a DDX driver amounts to a few hundred lines of code, at least for xf86-video-intel. I haven't yet seen any similar Glamor integration patches for xf86-video-ati or xf86-video-nouveau yet.

It will be interesting to see how the Intel acceleration performs for the stock UXA acceleration, UXA with SNA (Sandy Bridge New Acceleration), and Glamor.

The three patches that introduce the Intel Glamor acceleration can be found on the intel-gfx mailing list. Obviously, a Glamor-ized X.Org Server is also required, which should be xorg-server 1.12+.

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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