Re: [Mesa3d-users] Nurbs Rendering

[Brian P. <bri...@tu...>]

Brad Bolthouse wrote:
> Hi,
> I would like to use the latest Mesa library for Nurbs rendering and
> tesselation, and I was wondering how complete are the surface trimming 
> functions?
> 
> I'm using OpenNurbs v4.0 (http://www.opennurbs.org/) to read/write Rhino 
> files,
> and they have an OpenGL demo example that works great when compiled with 
> the
> GLU library (1.2.2.0 Microsoft Corporation) that comes with Microsoft 
> Visual Studio 2005.
> 
> However, the same demo crashes when recompiled with the latest Mesa lib.
> I've also tried older Mesa libs, and get the same result.
> 
> The crash seems to happen whenever surface trimming is required 
> (gluBeginTrim/gluEndTrim).

Is the crash happening in Mesa or GLU?

The GLU library comes from SGI and I'd expect it to fully implement all 
GLU features (though we have found/fixed bugs in it over the years).

-Brian