Question regarding mesh.tessellateNPatch

[Hui]

Hi, guys,

I found this email group, and maybe it's the place to ask some
questions. I used SlimDX on my project and it works great until these
days I was stuck with DX9.Mesh.TessellateNPatch function, which always
throw D3DERR_INVALIDCALL exception. Any idea about this? My call is
relative simple like below. The mesh should be fine because I can draw
the mesh without issue.

Mesh^ amesh = Mesh::TessellateNPatches(nmesh, 1.0, false);

I still use March release. Any help is great appreciated.

Thanks,
Hui

[xnaguide.com]

I have started a project on SlimDx. I been working on xna and
developed few small games as part of course. Can you suggest me some
good tutorial sites where I can learn this framework easily as you
look better than me in this framework. I am building kind of 3D graph
building app. based on given data. Direct3D 11 will be used I
suppose.

Any help is great appreciated. :P
Thanks,
xna guide

[Mike Popoloski]

@Hui:

 

Tessellation requires adjacency information in the mesh. You need to call GenerateAdjacency first before calling any functions that require adjacency.

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[Mike Popoloski]

@xnaguide.com:

 

This list is not a good medium for introductory information. Please stop posting questions asking for tutorials. There are plenty to be found online.