[osg-users] Get openGL version with the Help of osg

[Jannik Heller]

Hi,

Unfortunately OpenGL doesn't support getting the supported version without creating a context first.

https://gamedev.stackexchange.com/questions/28451/how-do-i-properly-check-if-a-particular-opengl-version-is-available

https://stackoverflow.com/questions/12184506/why-does-glgetstringgl-version-return-null-zero-instead-of-the-opengl-versio

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Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=68294#68294