Posted by Kam on Aug 13, 2010; 2:50pm
URL: https://forum.jogamp.org/Flickering-when-resizing-gl-windows-tp1132471p1134137.html

Try to pass -Dsun.awt.noerasebackground=true to the VM.
Your window won't be erased to background color before beeing repaint. It should be enough to prevent flickering. (worked for me).