AMD Publishes Evergreen Shader Documents
Written by Michael Larabel in AMD on 22 December 2009 at 08:38 AM EST. 45 Comments
Yesterday some R500+ PowerPlay code was started on (but not yet usable), and now at the same time we have more exciting AMD news to report. AMD has just released their shader instruction set documentation for the R800 "Evergreen" graphics processors!

This PDF document is available from AMD's developer area and is entitled "Evergreen Family Instruction Set Architecture - Instructions and Microcode." This documentation that covers their very latest GPUs in the Radeon HD 5000 series (like the Radeon HD 5750 and Radeon HD 5770) is important since its required for having the knowledge to provide 2D, 3D, and video acceleration for these newest Radeon graphics cards in the open-source Linux driver. This amounts to 362 pages of documentation that was just publicly released.

In regards to the open-source status for the ATI Radeon HD 5000 series graphics cards, with AMD's internal open-source code-base they do have VGA outputs continuing to work with these Evergreen GPUs, but digital outputs continue to be troublesome -- though they are making process. AMD's John Bridgman shared in our forums that this initial mode-setting code still needs to go through their internal review process but hopefully by the end of January the first code will be pushed out.
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Michael Larabel is the principal author of Phoronix.com 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 OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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