From: Brian P. <bri...@ya...> - 2001-10-29 02:16:30
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Dave Reed wrote: > > > From: Brian Paul <bri...@ya...> > > > > > > --- Dave Reed <dr...@ca...> wrote: > > > > > > RedHat 7.2: rpm -q Mesa reports Mesa-3.4.2-7 > > > > > > I compiled VTK (Visualization Toolkit www.kitware.com) and a simple > > > example (medical1.cxx in their examples directory) that extracts skin > > > from a model of a head and displays it leaves "holes" (missing > > > polygons) in the skin. > > > > > > I have a TNT2 card so I installed NVidia's drivers and the "holes" go > > > away. > > > > > > The same "holes" appear with RedHat 7.2 on my laptop (Rage Mobility > > > chipset). Did Mesa 3.4.2 have significant bugs like this or is > > > something else going wrong? > > > > > > Anyone else have VTK installed and can verify this? > > > > > > I'd really like to get this working on the laptop, but I can live with > > > the NVidia drivers on the desktop (although software rendering on that > > > machine is probably faster than a TNT2's haredware acceleration for > > > polygons). > > > > One of the VTK developers reported a similar problem some time back. > > Just today I got a test program and with it found that glEnable( > > GL_DEPTH_TEST) was being called without a depth buffer being present. > > Thus, depth testing was a no-op and the rendering looked like what > > you describe. > > > > Try setting the MESA_DEBUG environment variable before running the > > program and see if it reports an error. > > > > -Brian > > Thanks for the suggestion, but I don't think that's it. Here's the > entire output: > > MMX cpu detected. > Testing OS support for SSE... yes. > Testing OS support for SSE unmasked exceptions... SIGFPE, yes. > Testing of OS support for SSE passed. > Katmai cpu etected. > > Any other ideas? I suggest trying Mesa 4.0. The VTK people report that it works. -Brian _________________________________________________________ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com |