Re: [Qemu-devel] Multi-head support RFC

[John Baboval <baboval@spineless.org>]

On 11/06/2013 06:44 PM, Dave Airlie wrote:
> On Wed, Nov 6, 2013 at 8:57 PM, Gerd Hoffmann <kraxel@redhat.com> wrote:
>>    Hi,
>>
>>> It currently just adds multiple DisplaySurfaces to the QemuConsole,
>>> now Gerd said he thought I should be using multiple QemuConsoles but I
>>> really didn't think this was a good idea,
>> Why?
> It's a fair question and I haven't tried the other way yet and I fully
> intend to do further  investigating,
>
> I think my main reason was the current console at least when
> interacting with gtk frontend are done on a console per tab, now if we
> have multiple outputs I would want them to be visible at the same
> time, now I understand we could fix this but we'd need some sort of
> console grouping to say this group of consoles represent this set of
> outputs,
>
> Though further to that I'm not sure how we'd want to represent
> multiple graphic cards I assume we'd want to be able to see them all
> at once, but still have some sort of binding between separate outputs
> on one card.

Multiple graphic cards is actually a reasonable argument for the 
multiple QemuConsole route, since each would have its own GraphicHwOps, 
so it would simply be a matter of having the UI give the user a 
mechanism for choosing which card to attach a new display to.

>
> Dave.
>
>