Re: [Buildroot] [PATCH v4 6/6] support/testing: add test for vkmark package

["Alex Bennée" <alex.bennee@linaro.org>]

Julien Olivain <ju.o@free.fr> writes:

> Hi Alex,
>
> On 03/03/2025 17:15, Alex Bennée wrote:
>> To test vkmark we need a headless Weston compositor so we can run the
>> test without messing around with actual displays.
>
> This test covers a bit more than the vkmark package. It also test Mesa3D
> Vulkan Virtio, which brings new requirements on the host-qemu (to have
> the sufficient version and build options) and also on the host itself
> (to have a valid vulkan implementation).
>
> The Buildroot test suite currently runs in the Docker reference image,
> which include an "old" qemu 7.2.15. Specific runtime tests can request
> a build of host-qemu, which is currently version 10.0 but will lack
> the virglrenderer support. See:
> https://gitlab.com/buildroot.org/buildroot/-/blob/2025.05-rc2/package/qemu/qemu.mk#L465
>
> Finally, if there is no actual Vulkan-capable GPU hardware on the host,
> it should then use a host-mesa3d vulkan llvmpipe. This would probably
> be a considerable rework (of host-qemu recipe, or reference docker
> image).
>
> If merged as is, this test will always fail in the Buildroot Gitlab CI:
> https://gitlab.com/buildroot.org/buildroot/-/jobs
>
> Could this test be simplified to run vkmark with Mesa3D Vulkan llvmpipe?
>
> It will no longer test the Vulkan Virtio GPU path, but at least
> the vkmark recipe will be tested.

I've simplified the test for CI and added the SWRAST driver so vkmark
can run even with an un-accelerated display device. Manually testing
with the latest QEMU works with full acceleration.

>
> What do you think?
>
> Best regards,
>
> Julien.

-- 
Alex Bennée
Virtualisation Tech Lead @ Linaro
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