Hi,
following up on my first mail, I have some more concrete
ideas/questions. I hope to trigger discussion in this field of
application of X. As I don't know the internal workings of X in detail,
this may also be naive.
Firstly:
As I understand it, RandR shall replace Xinerama and take care of
"putting together" all the physical displays to a big screen in a
configurable way. Wouldn't it be straight forward to pass it existing
X-Screens as a device or a setup tree? RandR could query those
screen/device/monitor/server layout, ...- properties, could even query
another RandR, running on a remote system and add that system of screens
to its own configuration.
Xdmx in such a scenario would simply control which RandR instance
(computer) is in charge of putting together the overall screen layout
and make the necessary connections. It could (should) also be enabled to
use a secure channel at will, so you don't have to invoke Xdmx
separately via ssh with X-forwarding on the remote (and potentially less
performant) computer. Instead it could run locally and use secure
connections to the other X-servers.
As RandR is meant to reconfigure a running X-session, Xdmx wouldn't even
necessarily need to start a new X-session with all the combined screens
and a new Window manager anymore. Instead it would provide new screens
to RandR (like a newly connected graphics card) and one could rearrange
those with the usual Windowmanager tools or xorg.conf(.d) or command
line. That way, also much less detail knowledge would be needed for
setting up such systems and it becomes more plug&play.
Secondly:
I saw an email from 2008:
http://lists.freedesktop.org/archives/xorg/2008-October/039770.html
It is about dmx-2 and sounded quite interesting. Is there any work
ongoing with that project? Has it been renamed or simply abandoned?
Best regards,
Oliver
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