Attempt to implement context sharing on Mac #1132
Merged
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I have no idea if this is the right thing to do or not, but with this patch I can run the sharing example.
I've never done any cocoa programming at all; I just followed the "Sharing Rendering Context Resources" section of https://developer.apple.com/library/archive/documentation/GraphicsImaging/Conceptual/OpenGL-MacProgGuide/opengl_contexts/opengl_contexts.html and did what seemed obvious, and I was surprised that it actually seemed to work.
I don't have another platform to run the examples on right now to actually check if the sharing example renders identically compared to other platforms.
This will contribute to #899