> When running an app with the current JOGL release on Mac OSX 10.7.4 with an
> AMD Radeon HD 6750M, I'm unable to use glGenVertexArrays.  (Get the
> unsupported feature error from glGetError()).  I know the Radeon card supports
> up to GL4.1, so I doubt that's the issue.
>
> From doing a good deal of searching I understand that previous versions of Mac
> OSX did not support much beyond version 2.1 and shader version 1.2.  However
> my understanding was that Lion should support most features of 3.0.  Using a
> GL Caps viewer I see that all the listed functions of 3.0 are supported, but
> still no shader version beyond 1.2.  I also don't specifically see
> glGenVertexArrays as a supported function, though my understanding was this
> was a GL 3.0 addition.  I did see that Apple provided a glGenVertexArraysAPPLE
> extension in the past.
>
> I've seen some discussions about this but couldn't really come to a
> conclusion.  Does JOGL take advantage of support beyond 2.1 on OSX Lion?
>
> I know that most notebooks also have an integrated graphics chip for simple
> rendering and a more powerful discrete chip for advanced rendering.  Is there
> a need to manually select which adapter to use?