Whenever I try to run any openGL/glut programs under Ubuntu, the image (not an animation) generated displays for a fraction of a second and then disappears. The tab of the window of the image remains...

I have written a program that converts Bevier patches into 3-d GL_POLYGON objects (eg. 32 Bezier patches to draw a teapot which is comprised of a few thousand triangles).

Unfortunately the patches...