Hiding a monitor from all apps except one

Ilya Faenson ifaenson at hotmail.com
Wed Mar 26 17:37:58 PDT 2014


I knew it was not run-of-the-mill request. :-)
 
Is the work you've mentioned publicly available? If so, could you publish its whereabouts?

Many thanks!
 -Ilya
 
> Date: Thu, 27 Mar 2014 10:07:41 +1000
> Subject: Re: Hiding a monitor from all apps except one
> From: airlied at gmail.com
> To: ifaenson at hotmail.com
> CC: dri-devel at lists.freedesktop.org
> 
> On Thu, Mar 27, 2014 at 2:02 AM, Ilya Faenson <ifaenson at hotmail.com> wrote:
> > Dear DRM Experts,
> >
> > My assignment is to make sure the more or less standard HDMI-connected
> > monitor is visible and accessible to a single (our own) OpenGL application
> > only. That monitor is part of the larger device so it does not make sense
> > for anybody else to interfere with its use. The solution should work with
> > any graphics adapter.
> >
> > I see a few virtual monitor implementations available like VirtualGL,
> > vcrtcm, various VNC flavors but we rather need to hide an existing monitor
> > rather than create a virtual one. I guess we could try creating a virtual
> > monitor, mapping it into the physical one, but the hiding it from almost
> > everybody at the upper edge of the DRM might be tricky. The background: I'm
> > a very experienced driver developer but I'm new to Linux graphics internals.
> 
> Probably asking too much :-)
> 
> Something like the multi-seat work I did to allow device nodes with different
> crtc/connectors attached to them, with an X server running on that node,
> that is independent of X server running on other nodes maybe,
> 
> Dave.
 		 	   		  
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