Vulkan-Virgl Continues Progressing For Getting Vulkan Within VMs
Written by Michael Larabel in Vulkan on 10 July 2018 at 12:04 AM EDT. 7 Comments
One of the most exciting Google Summer of Code 2018 projects is Vulkan-Virgl for supporting this modern graphics/compute API within virtual machines.

Vulkan-Virgl is based off the existing Virgl initiative that has been providing OpenGL hardware acceleration to guest VMs using VirtIO-GPU and paired with some Mesa code and the Virgl rendering library. The GSoC 2018 project is making Virgl work with both OpenGL and Vulkan APIs.

It was back in May that we were looking at the project and fortunately it has improved since that point. There is now a TODO list citing what needs to be done to at least get a sample application running. Many Vulkan features from descriptor sets/pools, enumeration, and vkGetPhysicalDevice* features are working, but a lot remains. The memory allocation code is still in process along with buffer creation, command dispatch, pipeline cache, etc remain unimplemented or in some cases not started yet.

Student developer Nathan Gauër's code repositories for the different components comprising the Vulkan-Virgl effort can be found via Keenuts on GitHub. It will certainly be interesting to see how far he can take the project by the end of the summer and if he'll continue working on it post-GSoC, given not all of the functionality is likely to be ready in such a short time-frame.
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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 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 automated benchmarking software. He can be followed via Twitter or contacted via

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