Hi Enrico,
On Fri, 2005-01-21 at 06:18, Enrico Borrione wrote:
> hi all,
> i am thinking about some SHLShader handling:
> in order to fast switch between a shader and another
> i have to check whether the geometry i have in the scene
> matches the parameters of the shader.
> In order to do this, i need to query the Geometry node and
> check if the various streams are available.
> So i should be able to tell OpenSG something like:
>
> Do you have the normals? and the texture coordinates? How
> many of them?
I can't think of a shortcut or anything, you'll just have to see whether
the specific attribute is NullFC or not.
Yours
Dirk
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