Posted by gouessej on Sep 11, 2013; 8:04am
URL: https://forum.jogamp.org/Exiting-Fullscreen-in-TestGearsES2NewtCanvasAWT-java-tp4030008p4030011.html

Hi

When exiting the full screen mode, the latest resolution in windowed mode is used, not the resolution in full screen mode. This is the expected behaviour. If you want to change that, modify the resolution before entering the full screen mode or just after exiting it.