Vulkan WSI+VK_KHR_display for KMS/DRM?

Keith Packard keithp at
Tue Apr 4 15:40:06 UTC 2017

Jason Ekstrand <jason at> writes:

> Interesting question.  To my knowledge, no one has actually implemented the
> Vulkan WSI direct-to-display extensions.  (I tried to prevent them from
> getting released with 1.0 but failed.)  I believe the correct answer is to
> use the external memory dma-buf stuff that chad and I have been using and
> talk directly to KMS.

Sounds good, and minimizes the amount of code I have to write too :-)

> I see no good reason to have a large abstraction in
> the middle.

Other than 'it's a standard', neither do I.

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