On Fri, Mar 25, 2016 at 08:41:14AM -0400, Cole Robinson wrote:
> On 03/25/2016 05:02 AM, Christophe Fergeau wrote:
> > On Thu, Mar 24, 2016 at 01:26:17PM -0400, Cole Robinson wrote:
> >> On 03/24/2016 01:08 PM, Christophe Fergeau wrote:
> >>>>
> >>>> Slightly related question: what is the timeline for working gl passthrough
> >>>> with local host + VM + spice listen=127.0.0.1 ? Is it under heavy development
> >>>> or just waiting for just waiting for some new releases? If the latter, which
> >>>> packages will be required?
> >>>
> >>> What do you expect out of it exactly ? To be able to do remote-viewer
> >>> spice://localhost:5900 and have virgl acceleration work? Or something
> >>> different?
> >>>
> >>
> >> Basically the remote-viewer case you describe, since that's the default
> >> virt-manager (and libvirt) config for spice setups. Gerd seemed to indicate
> >> that it will work in the near term, in his response to your qemu patch. Isn't
> >> that what the dmabuf stuff is all about? Or are we always going to have to use
> >> the OpenGraphics/add_client method to get GL?
> >
> > As I understand it, the dmabuff stuff is just a file descriptor being
> > passed around between virgl/QEMU and the SPICE client through a Unix
> > socket so that the 3D framebuffer can be displayed in a different
> > process.
> > The discussion about gl+tcp was probably not a short-term thing, and not
> > limited to localhost. We need to add support for encoding the virgl
> > display, and send that to the client through a TCP socket. This would
> > allow remote 3d to work.
> >
>
> Okay, thanks. So listen=unix works, and listen=none + add_client/OpenGraphics
> works. Does that mean that add_client/OpenGraphics works regardless of the
> listen= setting? I don't know enough about how it's implemented in qemu to say
I think so, through the add_client QMP command, which ends up calling
spice_server_add_{ssl_,}client()
Christophe
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