I want to start learning OpenGL with a book I have since a long time ago (Beginning openGL Game Programming) and it uses OpenGL 1.5 so my question is, should I learn OpenGL using this book and then learn a higher version? or should I start learning a higher version at once? are the same core concepts applied to higher versions?
closed as not constructive by Sean Middleditch, Nicol Bolas, Byte56♦, Tetrad♦ Mar 11 '13 at 17:08
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No. Modern OpenGL and OpenGL 1.5 have very little in common. It's better to learn the modern OpenGL directly. Here is a good online tutorial for that: Learning Modern 3D Graphics Programming.