John Wojnaroski writes: > Has anyone been successful in running some of the dual headed video > cards with FG?
I've never had a chance to play with a multi-headed opengl card. However, I've always been a little dubious about what kind of results they would yield. If you want to render two different views, one on each head, then you are going to have to draw the scene twice. Because of the way plib/ssg works, you are going to have to walk the scene graph once for each view to do the different view frustum culling. Drawing two views amounts to *nearly* twice the work of drawing one view because drawing the scene is probably 90% of the total work that FlightGear is doing. If you had multiple processors, you *might* be able to improve things, but, the rendering portion is still going to bottle neck through the single video card. So, my general gut feeling is that you'll get much better results (for out-the-window scene rendering) using 2 machines rather than one machine with two heads. Regards, Curt. -- Curtis Olson HumanFIRST Program FlightGear Project Twin Cities curt 'at' me.umn.edu curt 'at' flightgear.org Minnesota http://www.flightgear.org/~curt http://www.flightgear.org _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
