Mike Westall wrote: > The attached program illustrates a shading anomaly > we have encountered while attempting to use autonormal > in conjunction with nurbs. > > The shading of the sphere is seriously screwed up > while running with indirect rendering on the standard > X server packaged with RH 7.3. It can be fixed by > uncommenting the /* #define CORRECT 1 */ on line 8. > > The correction just sets normals manually. > > The program runs fine on both native SGI systems and > with the accelerated NV driver + XFree86 + Linux. > > Oddly enough the EXACT problem that occurs with unaccelerated > rendering on XFree86 also occurs with the OpenGL version > that comes with recent Sun Solaris boxes. Thus we > may well have a bug that is simply latent on SGI | NV. > > If anyone sees it we would be interested in knowing > what it is.
I just tested on my RH 7.3 system with indirect rendering and the sphere looks fine to me. Are you sure you're using the SGI GLU 1.3 library and not an old Mesa GLU library? What does glxinfo report? -Brian ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek PC Mods, Computing goodies, cases & more http://thinkgeek.com/sf _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
