[Spice-devel] Offload pixel encoding via Virgil

[Benjamin Kingston]

Thank you Victor, I had the impression the OpenGL implementation was
complete for Windows OS.
I guess then the question in general, will the spice codec use opengl
acceleration, if available, to reduce CPU overhead when rendering 2D only
full screen refreshes?

On Fri, Jun 15, 2018 at 1:48 AM Victor Toso <victortoso at redhat.com> wrote:

> Hi,
>
> On Thu, Jun 14, 2018 at 05:15:01PM -0700, Benjamin Kingston wrote:
> > Hello,
> >
> > Is it possible to increase guest density by offloading the
> > pixel codec in the guests to a common onboard GPU?
> >
> > In other words, does the Spice Agent, particularly in Windows
> > 10, leverage OpenGL or other Virgil features to reduce CPU load
> > when full screen refreshing is taking place?
> >
> > Thanks,
>
> Virgl on Windows is not a thing yet, AFAIK.
>
> * 'Future scope' at
>   - https://virgil3d.github.io/
>
> * GSOC 2017
>   - https://gist.github.com/Keenuts/199184f9a6d7a68d9a62cf0011147c0b
>
> Depending on your configs, you could try Looking Glass for now.
>
> https://github.com/gnif/LookingGlass
>
> Cheers,
>         toso
>
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