Stream Out / Transform Feedback Now In RadeonSI
Written by Michael Larabel in AMD on 12 September 2013 at 09:39 PM EDT. 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.
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