Posted by Wade Walker on Nov 04, 2015; 2:31am
URL: https://forum.jogamp.org/I-add-jogl-to-EditorPart-but-find-some-bug-at-refresh-area-help-me-please-tp4035693p4035722.html

I've done this sort of thing successfully before, it sounds like maybe you're doing custom processing on the paint events over the GL canvas (like to redraw GL where tooltips obscure the canvas) and are getting the draw regions inverted somehow.