Marek's Baking Some RadeonSI Changes
Written by Michael Larabel in AMD on 29 August 2013 at 11:55 AM EDT. 6 Comments
While Marek Olšák is most known for his improvements to the R600 Gallium3D driver, the new open-source AMD employee's latest code activity has been on the RadeonSI Gallium3D driver.

The RadeonSI driver supports the newer Radeon HD 7000/8000 series hardware and is less mature than the R600 Gallium3D driver. The RadeonSI driver right now only advertises OpenGL 2.1 support, the performance is less than R600g, and there's other limitations, albeit AMD has been devoting resources to improving this driver given it's used by the latest-generation AMD products.

Released on Wednesday were a set of six patches by Marek to provide minor clean-ups and improvements to this open-source Radeon Gallium3D driver. The six patches touch around 2,500 lines of code. More interestingly though these patches are a prerequisite to the more interesting OpenGL Transform Feedback support that Marek has been working on for RadeonSI.

So far the review of these six RadeonSI patches have been good by fellow open-source AMD developer so likely this work will be merged to Mesa Git master soon, thus allowing for more RadeonSI advancements to happen. Aside from this work by Marek, he's also made old R300/R400 driver changes this week too.

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Michael Larabel is the principal author of and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and automated benchmarking software. He can be followed via Twitter or contacted via

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