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Scott O 2000-08-10 02:25
Hi ,
Currently our Win2000 OpenGL application is drawing to a single monitor using 800 of the 1024 pixels. Our users desire more resolution, i.e. pixels, so we are exploring the concept of multiple monitors. What I want to know is if I get a multimon config working with Win2k with an OpenGL dual head card, can I stretch my application across these two monitors so as to realize, say, 2000 pixels in my application?
Basically, the application displays each pixel as a frequency bin. If I have 800 pixels at 1 Hz freq bin I can display 800 Hz freq. span. The users want more!! They want, say for example, 1600 Hz freq. range at 1 Hz bin width, which is 1600 pixels. You get the picture. I would like to think that if I make my draw control 1600 pixels wide that I would be able to see it across the two monitors.
Any info you got would be appreciated.
Scott O'
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Christian Studer 2000-08-11 07:53
Should work fine in software mode, but hardware-accelerated OpenGL is only available on the primary monitor. It would be possible on Win2000 (not on Win98), but currently there are no multi-card solutions available with drivers implementing this.
See the FAQ on OpenGL for more information.
Christian Studer
http://www.realtimesoft.com
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Adam: Kurzawa 2000-08-16 00:10
Actually, that is not entirecly true.
Nvidia DOES have drivers that support OpenGL in multiple monitor mode... but only one older version supports it, v3.78.
I bet you could probably hack the new drivers to support it because I am able to run OpenGL on at least one monitor with the other one enabled. The trick is to enable the second monitor after you have opened all the OpenGL windows. Now, how to get opengl windows on the second monitor is a different story :(
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