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Stream Out / Transform Feedback Now In RadeonSI

AMD

Published on 12 September 2013 09:39 PM EDT
Written by Michael Larabel in AMD
6 Comments

With Git activity this evening, StreamOut / OpenGL Transform Feedback is now enabled for the AMD "RadeonSI" Gallium3D driver for the Radeon HD 7000 and 8000 series graphics processors.

Earlier this month I wrote about transform feedback being ready for RadeonSI and finally today the commits were made to the mainline Mesa code-base for enabling this important OpenGL feature. Why this work is noteworthy is that it effectively makes the RadeonSI Gallium3D driver now on par for being in compliant with the OpenGL 3.0 specification.

The RadeonSI driver is still behind the R600 Gallium3D driver in terms of OpenGL support, but at least they're catching up. The RadeonSI support is also more dependent upon the AMD GPU LLVM back-end for new support.

This commit in Mesa enabled transform feedback for the Radeon HD 7000 "Southern Islands" (SI) hardware while this commit turns it on for the HD 8000 "Sea Islands" (CIK) hardware.

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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