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sundaythedog

OpenGL Whenever I run an openGL program in fullscreen mode my screen shivers

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Like my title states, I can''t run a OpenGL program in fullscreen without the screen giving two intermittent images of the program about 1/4 of an inch away from eachother. For instance it will draw the screen once in the correct position and the next time it draws it, it will be 1/4 of an inch over from where it should be. Of course this happens very quickly and gives a shivery shakey effecy. At first I thought it was only MO:HAA, but I finally started programming in OGL and it happened in all of the example progs I''ve downloaded. Any ideas as to what''s causing this? Thanks! The Light shine on you

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Hmm that is very odd, I don''t really know what could be causing that. It sounds like the demos are in too high of a resolution, but that wouldn''t make sense because most of the opengl demos found on the internet are in 640 * 480.

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I''ve seen that occur before on an nvidia system with the original drivers that came with the card/cd... it''s a truly weird thing to look at... almost like it''s interlacing two frames together... This perticular example had the nice effect it would also sometimes flip the second image vertically... which made it even harder to watch...

as far as I know a simple driver update fixed the problem.. but it wasn''t a machine I have used much since so I can''t say for sure...

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I have the 40.72 drivers from NVidia and they work flawlessly on all games but MOH:AA and the few demos I''ve tried. I''ve taken a screen shot and it shows up like it should; as one frame. Also, everything works fine in windowed mode. Thanks for trying! Any other ideas?

The Light shine on you

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Crazy idea, but you havn''t accidentally turned on the stereo display mode in the driver settings have you? This would cause exactly this effect, but its difficult to see how it could be turned on without you knowing about it.

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I set all of my Vid Card options to default and it worked! I might have accidently enabled the Stero3d thing, but I din''t remember ever hearing of it before today. Anyway, thanks for your help; time to get OGL coding.

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