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


From: John Baboval
Subject: Re: [Qemu-devel] Multi-head support RFC
Date: Fri, 08 Nov 2013 10:20:48 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:14.0) Gecko/20120714 Thunderbird/14.0

On 11/06/2013 06:44 PM, Dave Airlie wrote:
On Wed, Nov 6, 2013 at 8:57 PM, Gerd Hoffmann <address@hidden> 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.






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