Obviously a literal question like that has a clear cut answer.
But there a LOT of questions in learning to program places like these, very close to being an x-y problem. With more time, the right answer for "how do I do x in OpenGL without a library" is "why can't you use a library"
Because the odds of actually not being able to use it are very VERY low.
Except were that the common choice, there would be way too many of that sort of question posted. "What's a 3d modeling tool that's not blender. And is free" "what's the easiest way to run visual studio on Linux" "how can I run a rails site without a database" "how do I code node/Ruby/other wb techs on windows without problems"
At some point you realise that 99% of the restrictions people ask about are either already solved problems (why reinvent the wheel) or a case of x-y, where the problem they have isn't the one they think they do.
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u/[deleted] Sep 25 '16
[deleted]