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MSAA Support Lands For R600 LLVM Back-End

Mesa

Published on 02 October 2013 05:19 PM EDT
Written by Michael Larabel in Mesa
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Multi-sample anti-aliasing (MSAA) support has landed for AMD's R600 GPU LLVM back-end for their open-source Linux graphics drivers.

The R600 Gallium3D driver with its default back-end has already supported MSAA, but now for the LLVM back-end that's needed for GPGPU/OpenCL support and mandated for "RadeonSI" (HD 7000/8000 series) graphics support, there is now handling for multi-sample anti-aliasing.

Aside from the Mesa patch for R600 LLVM MSAA, there's also an LLVM change that was committed today to add a new intrinsic needed for MSAA in the R600 back-end.

This support will be part of Mesa 9.3/Mesa 10.0 when that is released in November while the LLVM change will be found in LLVM 3.4 to be released around December.

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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