[Mesa-users] Virtio-GPU Venus how to install in chrome os crostini?

[Chia-I Wu]

On Fri, Jan 28, 2022 at 7:36 PM Reggie Wong <zerosportslegacy at yahoo.com> wrote:
>
> Hi, i wanted to know if it is possible to use the Virtio-GPU Venus driver in chrome os crostini using the default container debian.
>
> I built and installed the virglrenderer with Venus support but when i run vulkaninfo it states that im using some other driver not the venus one. And also the vkcube demo doesn't work either.
>
> What can i do to get the virtio-gpu venus driver to be recognized? Thanks for any good replies.
There are guides on how to do that if you search for "crostini
vulkan".  But I don't recommend doing that as end users.

Also, the guest kernel driver does not support implicit fencing yet.
As a result, venus waits for gpu rendering before presenting, which
can cut the frame rate to half or worse.