Posted by gouessej on Nov 08, 2013; 9:03pm
URL: https://forum.jogamp.org/Multiple-OpenGL-canvas-in-Swing-application-tp4030542p4030547.html

Actually, no. You can use this method:
http://jogamp.org/deployment/jogamp-next/javadoc/jogl/javadoc/javax/media/opengl/awt/GLCanvas.html#setSharedContext(javax.media.opengl.GLContext)