[VP texfilter]
void main()
{
    // Transform the vertex:
    // gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex
    gl_Position = ftransform();
    // Copy texture coordinates from gl_MultiTexCoord0 vertex attribute
    // to gl_TexCoord[0] varying variable
    gl_TexCoord[0] = gl_MultiTexCoord0;
}
