Posted by Worker on May 21, 2011; 8:52pm
URL: https://forum.jogamp.org/OpenGL-4-status-tp2969055p2969994.html

Ok , another option is, to test it with a shader.
Take in a shader script a double matrix (dmat4 or DOUBLE_mat4).
If this works, you have OGL 4.0 or 4.1