Posted by elect on Dec 08, 2015; 3:35pm
URL: https://forum.jogamp.org/gl-PointCoord-not-working-without-enabled-GL-POINT-SPRITE-is-it-a-bug-tp4029611p4035889.html

I had the same problem while porting a sample from C to Jogl and after two days stuck luckily I found this thread (together with one on opengl.org)..

It was enabled on C while it wasn't on Jogl and a simple gl3.glEnable(GL_POINT_SPRITE); helped