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Radeon Gallium3D Gets Important Cayman Fixes

AMD

Published on 15 May 2013 03:39 PM EDT
Written by Michael Larabel in AMD
19 Comments

Released today was a new version of the DRM library and adjoining Mesa changes to address MSAA texture issues affecting AMD Radeon Evergreen and Cayman graphics hardware running the open-source Gallium3D driver.

Marek Olšák released libdrm 2.4.45 this morning that had surface allocator changes for the Radeon driver in order to work around multi-sample texture issues.

Pushed after that were Mesa changes for the "R600g" Linux driver. "This fixes and enables texturing with compressed MSAA colorbuffers on Evergreen and Cayman. For the first time, multisample textures work on Cayman."

So if you're an owner of a AMD Radeon HD 6900 series graphics card, MSAA should work better. However, if you're using such a high-end graphics card with the open-source driver stack at this point, it's rather silly and can find much better performance out of using the AMD Catalyst binary driver to exploit the full potential out of the pricey 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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