jonnyg's picture


I am using the Glu tessellation library and getting good results in general (C# application in Visual Studio 2010). However, I have an intermittent crash and it is associated with surfaces that have holes. Is there any reason to expect the Glu library to live through receiving a surface and associated holes in which the holes either overlap each other or some of the holes hang off the edge of the surface?

Thank you.


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jonnyg's picture

Of course after I finally post, I make a little progress in figuring this out. My TessCombine callback is not being called. I tried to follow the code from an earlier post on this site; could anyone post a working piece of code from the VS2010 environment? Please? Or a hint about setting up the TessCombine callback/delegate. It seems tricky because of the pointers involved, marshaling, etc. Thanks.

beattiet's picture

I see exactly the same kind of error. I have used the sample code found on this site...
but it fails with certain polygons (Self-intersecting for me but I haven't tested it exhaustively).

My "Combine" callback is not being called but I get a protected memory error when I try to end the tessellation.