Posted by gouessej on Nov 09, 2021; 8:45am
URL: https://forum.jogamp.org/Images-are-reversed-tp4041454p4041471.html

JOGL 1 TextureIO was renamed AWTTextureIO in JOGL 2 and TextureIO in JOGL 2 became an equivalent of AWTTextureIO but with nothing about AWT. I suspect it might be a root cause of your problem, the images aren't completely reversed, there is only a vertical inversion.