Posted by jedwards1211 on Jan 03, 2016; 1:47am
URL: https://forum.jogamp.org/How-to-make-AWT-GLCanvas-stop-drawing-everything-at-bottom-left-of-parent-window-tp4035965p4035970.html

Actually, that wasn't correct.  The JFrame containing the GLCanvas or NewtCanvasAWT merely needs to be setVisible on the EDT (i.e. AWT event dispatch thread) for the bug to occur; if it's set visible on the main thread then the bug doesn't occur.