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Old 12-21-2011
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Flexsim Development
 
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We had problems with GL_SELECT in version 4, particularly with ATI cards because they often don't support GL_SELECT. Because of this, we implemented two new selection mechanisms for version 5. We default to using occlusion queries for selection, and change to use different mechanisms based on what extensions the card says are available.

Are you having issues with Flexsim5 or 4?
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