OpenGL Shading Issues on PPC

2010-04-20 Thread Peter Willsey
Hello All, I've been developing a screensaver in Objective-C using OpenGL to render an object in wavefront .obj format. The object is displayed and rotated on the X, Y and Z axis. I have enabled lighting and I'm calculating surface normals so that shading works properly. I have been

Re: OpenGL Shading Issues on PPC

2010-04-20 Thread Peter Willsey
Hi Thanks for your reply. .obj is an ASCII file format, I don't think byte order would be an issue here. On 2010-04-20, at 11:55 AM, A.M. wrote: On Apr 19, 2010, at 12:33 PM, Peter Willsey wrote: Hello All, I've been developing a screensaver in Objective-C using OpenGL to render