Posted by Alex on Oct 24, 2012; 5:58pm
URL: https://forum.jogamp.org/JOGL-problems-with-OSX-10-8-2-and-HD3000-tp4026518p4026606.html

Found a solution. It seems a problem related to the default value of Shininess on MAC OSX, in fact defining the Shininess property makes the problem disappear, while set Shininess to 0 under Windows creates a similar artefact.