[PATCH 0/9] implement multi screen clone mode in drm-backend.so

[Jason Ekstrand]

Xiong,
A "clone" option would be one way to configure it.  I just don't want to be
tied to a single master output.
--Jason


On Tue, Oct 22, 2013 at 8:46 PM, Zhang, Xiong Y <xiong.y.zhang at intel.com>wrote:

>  Jason,****
>
> You mean that we can add a “clone” config option in output section of
> Weston.ini file. ****
>
> The “clone” config option decide whether this output is a slave output and
> which master output   this slave output clone from .****
>
> Is my understand correct ?****
>
> ** **
>
> thanks****
>
> *From:* Jason Ekstrand [mailto:jason at jlekstrand.net]
> *Sent:* Sunday, October 13, 2013 10:53 AM
> *To:* Zhang, Xiong Y
> *Cc:* wayland-devel at lists.freedesktop.org
> *Subject:* Re: [PATCH 0/9] implement multi screen clone mode in
> drm-backend.so****
>
> ** **
>
> Xiong,****
>
> I'm sorry for taking so long to reply; I meant to do so sooner but haven't
> found the time.  First off, I'm glad to see someone implementing output
> cloning.  It makes for all sorts of interesting cases that have yet to be
> tested.  Also, I plan to implement it in the wayland backend at some point
> in the not-so-distant future.  (Yes, it does make sense to put it in the
> wayland backend.)****
>
> ** **
>
> My biggest concern with your current implementation is that you are doing
> things in terms of a compositor-wide "clone mode" instead of per output
> "this output is a clone of that one".  I think it is reasonable for a
> person to want, for instance three outputs A, B, and C where A and B are
> "masters" and C is a clone of A.  Making it a compositor-wide flag would
> completely rule out this case.****
>
> Thanks,****
>
> --Jason Ekstrand****
>
> ** **
>
> On Tue, Sep 17, 2013 at 10:50 PM, Xiong Zhang <xiong.y.zhang at intel.com>
> wrote:****
>
> the theory for clone mode is: all the outputs share the same fb, when
> primary output
> do modeset and pageflip, clone output do this also.
> I fulfill repaint, VT switch and hotplug function. I don't implement
> dynamical setting
> output's mdoe.
>
>
> Xiong Zhang (9):
>   add multi-screen-mode option to weston.ini
>   find primary output during drm_compositor_create in clone mode
>   one pointer exist in only one output
>   output gl repaint in clone mode
>   deal with VT switch in clone mode
>   hot plug add a output in clone mode
>   maximize and fullscreen support in clone mode
>   hot plug remove a output in clone mode
>   improve hotplug remove a output in clone mode
>
>  src/compositor-drm.c | 390
> +++++++++++++++++++++++++++++++++++++++++++++++----
>  src/compositor.c     |  28 ++++
>  src/compositor.h     |   9 ++
>  src/input.c          |   7 +-
>  src/shell.c          |  10 +-
>  src/zoom.c           |   1 +
>  weston.ini           |   1 +
>  7 files changed, 414 insertions(+), 32 deletions(-)
>
> --
> 1.8.3.2
>
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> wayland-devel mailing list
> wayland-devel at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/wayland-devel****
>
> ** **
>
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