Thank you all for your help. I decided to go with Opengl ES 2.0 . Many openglers have recommended to me Opengl ES 2 as a very nice subset of opengl that is both very powerful and way simpler to implement, so I will most likely use that for porting Morphic to opengl and maybe open the way for squeak/pharo android/ios port. Seems like a double win to me.  If I can automate the generation of the wrappers as already CroquetGL is doing it would be great.
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