SPIR-V Support For Gallium3D's Clover Is Closer To Reality
Written by Michael Larabel in Mesa on 22 February 2018 at 11:52 AM EST. Add A Comment
It's been a busy past week for open-source GPU compute with Intel opening up their new NEO OpenCL stack, Karol Herbst at Red Hat posting the latest on Nouveau NIR support for SPIR-V compute, and now longtime Nouveau contributor Pierre Moreau has presented his latest for SPIR-V Clover support.

Pierre has been spending about the past year adding SPIR-V support to Gallium3D's "Clover" OpenCL state tracker. SPIR-V, of course, is the intermediate representation used now by OpenCL and Vulkan.

The work is designed to allow the Clover state tracker to accept SPIR-V binaries. The latest code in this week's "v3" patch series should allow for any drivers currently supported by Clover to accept SPIR-V binaries via LLVM or native IR formats. This code does depend upon an llvm-spirv code-base, at least until that is accepted in upstream LLVM. These patches for now also are skipping out on the SPIR-V Clover back-end that he's also been developing. Also, the patch series drops Clover's TGSI IR back-end since it's not being used by any drivers.

The latest details on this newest open-source GPU compute effort via the Mesa mailing list.

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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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