Re: [Plib-users] Multithreading in FG

[Stuart M. <stu...@bl...>]

Hi,
 
   Some more information would be helpful. You say 3 projector screens
and 3 systems; is that
3 separate physical displays each with it's own program and each
receiving network input?
Does "send a done signal" mean that the left and right programs send a
network message to
the center system? If you don't sync them what problems does this cause?
i.e. if each program
were running at 60fps would anyone notice if they weren't sync'ed?
 
Or if it's not 3 separate programs are you saying that data can come in
(say speed) and
associated data (say direction) can arrive later and you don't want to
display out of sync
information? If so then hat's an input problem, not rendering.
 
--Stuart.
We are trying to project three views(center,left,right) on to three
projector screens.Aircraft data(lat,lon,alt etc) is sent to these three
systems from one system through ethernet.

We need to synchronize all the three views.

We have tried one of the mechanism to synchronize.......

Before swapping buffers, the left and right systems send done signal to
the center system.Once the center system recieves done signal from both
the systems, it sends release signal to both the system saying that it
can swap the buffers.
By doing this there was some improvement seen but with some delay.