Bill Galbraith wrote:
In that case it makes sense to have a single master copy of FG running on a single computer and driving all your cockpit displays. 2d cockpits are probably the most appropriate (and easiest) for this sort of application. I would suggest that you create a big giant window that covers all your cockpit displays. Then design a big giant 2d cockpit that matches the size of your big giant window. Your cockpit will then span your displays. Then it's a simple matter of arranging your gauges so that the right things go in the right place and show up on the right display.
That is a GREAT idea, but it didn't work when I tried it. I have two video
cards in one computer, and have told Windows to use both for my desktop.
Other applications allow me to expand across the two screens, but not
FlightGear. FG starting up in full-screen mode also didn't work. Am I
missing something here?
Ahh, ok, part of the problem with this discussion (and supporting any of this in code) is the great variety of possible configurations.
I had assumed you were using a single multi-headed card rather than multiple cards in a single machine.
I'm am pretty sure that you cannot have an "opengl" application span multiple video cards. There are a lot of internal issues that make this a potentially *very* difficult problem. If you want to have a single opengl window span multiple displays, you really need a single multiheaded video card. (The nitpickers among us should know that I'm specifically ignoring things like SLI here.) :-)
If you are running multiple video cards in your machine, you really need to run multiple copies of flight gear where each one sit's on it's own display. However, even with that, some systems (all systems?) only allow you to do accelerated opengl on the first video card.
If you were buying hardware from scratch, I'd suggest a multi-headed video card for all your cockpit displays.
(And I'd suggest buying from a vendor with a good return policy becuase I haven't actually tried any of this myself!) :-)
Regards,
Curt.
-- Curtis Olson http://www.flightgear.org/~curt HumanFIRST Program http://www.humanfirst.umn.edu/ FlightGear Project http://www.flightgear.org Unique text: 2f585eeea02e2c79d7b1d8c4963bae2d
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