Posted by jmaasing on Oct 24, 2014; 9:44am
URL: https://forum.jogamp.org/font-texture-issue-garbled-characters-tp4033437p4033447.html

It depends on where you think texture origin should be, upper-left or lower-left corner. OpenGL usually assumes lower-left and image editors usually assume upper-left - this is a common cause for code to end up with flipped textures.