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Radeon Gallium3D Gains Greater MSAA Support

AMD

Published on 23 August 2012 08:49 AM EDT
Written by Michael Larabel in AMD
16 Comments

As expected, with Marek Olšák requesting a delay in branching Mesa 9.0 so that he can land more features, support for multi-sample anti-aliasing (MSAA) for more ATI/AMD Radeon hardware has landed plus there's improved anti-aliasing support for currently-supported GPUs.

Marek posted a set of seven new Radeon Gallium3D MSAA patches on Wednesday evening for R600g that provides initial MSAA support for Radeon HD 4000 "R700" series GPUs. In addition to the new MSAA support, there's support for compression of multi-sample anti-aliasing color-buffers for R700/Evergreen. The color-buffer compression should save a lot of bandwidth now when using MSAA. In addition to this work, he's landed some minor MSAA-related fixes.

The R600 Gallium3D driver now supports multi-sample anti-aliasing for Radeon HD 4000/5000 series GPUs with the forthcoming Mesa 9.0. MSAA levels of 2x, 4x, and 8x are currently supported by the open-source AMD Linux graphics driver. Mesa also currently supports Morphological Anti-Aliasing.

Marek's latest MSAA patches for Radeon can be found on mesa-dev but soon will likely be merged to Mesa Git master.

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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