Posted by gouessej on Aug 12, 2019; 10:44am
URL: https://forum.jogamp.org/Jogl-speed-with-libGdx-when-under-JavaFX-SwingNode-tp4039918p4039927.html

Actually, you use "my" stuff lol. As I'm preparing myself to leave Github, I deleted most of my projects on this website. You can use the source code of this contributor:
https://github.com/bgroenks96/libgdx/tree/master/backends/gdx-backend-jogamp