//void glEvalCoord2fv (const float *u) func EvalCoord2fv(u *[2]float32) { C.glEvalCoord2fv((*C.GLfloat)(&u[0])) }
//void glEvalCoord2fv (const float *u) func EvalCoord2fv(u []float32) { if len(u) != 2 { panic(ErrorInputSize) } C.glEvalCoord2fv((*C.GLfloat)(&u[0])) }