Posted by gouessej on Oct 28, 2012; 2:40pm
URL: https://forum.jogamp.org/Issue-with-Java-3D-under-OpenJDK-7-Mac-OS-X-tp4025259p4026638.html

Some drivers for ATI HD graphics cards have a bug in light handling, I already saw something similar several days ago. There was something to modify in the shininess.