Vulkan CPU Implementation Still Working On LLVM Code Generation
Written by Michael Larabel in Vulkan on 25 July 2017 at 09:09 AM EDT. Add A Comment
Jacob Lifshay is the GSoC student developer spending his summer working on a Vulkan software renderer to basically serve as a CPU-based implementation of Vulkan using LLVM. He continues hard at work on trying to make this a working reality.

Lifshay's latest challenge has been working on LLVM IR generating code from SPIR-V. The SPIR-V capabilities he's initially working to handle are matrix, shader, input attachment, sampled 1D, image 1D, sampled buffer, image buffer, image query, derivative control, and int64 support.

Those curious about the ongoing status of Jacob's work can see Jake's development blog. It will be interesting to see how far this project gets by the end of the summer and hopefully if it continues past the official GSoC period. It's certainly great to see so much tooling and usage of Vulkan/SPIR-V around LLVM so hopefully it will see a bright future ahead.
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Michael Larabel is the principal author of and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 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 automated benchmarking software. He can be followed via Twitter or contacted via

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