mesh.uv, mesh.uv2 is what in GL ?

Question

what is the corresponding element in the GL lib http://docs.unity3d.com/Documentation/ScriptReference/GL.html

for the mesh.uv and mesh.uv2 ?

because I need to take the camera output and apply shader that manipulate TEXCOORD0 And TEXCOORD1

I am making a quad (two triangles) using the GL.xxx in the OnRenderImage (RenderTexture source, RenderTexture dest) function and want to generate the texture coordinates from them

so I can apply this shader on them

http://forum.unity3d.com/threads/151283-Correcting-affine-texture-mapping-for-trapezoids?p=1174222&posted=1#post1174222

Thanks in advance

Answer 1

Best Answer

Answer by nsxdavid · Feb 25, 2013 at 04:33 PM

I think what you want is GL.MultiTexCoord(int uint, Vector3 v)

With that you can set either the main or secondary texture coordinates:

 GL.MultiTexCoord(0,Vector3(0,0,0)); // main texture
 GL.MultiTexCoord(1,Vector3(0,0,0)); // second texture

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mesh.uv, mesh.uv2 is what in GL ?

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