[Spice-devel] [spice-server] doc: Add virgl documentation

[Cole Robinson]

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

Thanks,
Cole