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From: Gerd Hoffmann <kraxel@redhat.com>
To: "Marc-André Lureau" <marcandre.lureau@gmail.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] spice: add display & head options
Date: Wed, 22 Feb 2017 11:40:48 +0100	[thread overview]
Message-ID: <1487760048.5782.10.camel@redhat.com> (raw)
In-Reply-To: <CAJ+F1CLAsqBe7B81wOzVrLWJVsWpQQ4kfH1ZPgMxpwZmaE7qJA@mail.gmail.com>

  Hi,

>         The second way is a single display channel with a single, big
>         surface
>         for all heads.  Then -- with spice-agent help -- guest and
>         client
>         negotiate which region of the big display gets scanned out to
>         which
>         head.


> My understanding is that "head" will not work correctly with QXL (only
> head 0, but can be a multi-head QXL),

For the second way yes, because in that case "head" is a qxl/spice
private thing and not visible outside.  You'll see that for example in
case you try to screendump or connect with vnc.  No heads, only the big
surface.

cheers,
  Gerd

      reply	other threads:[~2017-02-22 10:40 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-21  7:57 [Qemu-devel] [PATCH] spice: add display & head options Gerd Hoffmann
2017-02-21  8:52 ` Marc-André Lureau
2017-02-21  9:11   ` Gerd Hoffmann
2017-02-21  9:23     ` Marc-André Lureau
2017-02-21 10:04       ` Gerd Hoffmann
2017-02-22  9:04         ` Marc-André Lureau
2017-02-22 10:40           ` Gerd Hoffmann [this message]

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