private static CardboardUv CardboardLensDistortion_undistortedUvForDistortedUv(
     IntPtr lens_Distortion, CardboardUv distorted_uv, CardboardEye eye)
 {
     return(distorted_uv);
 }
 private static extern CardboardUv CardboardLensDistortion_undistortedUvForDistortedUv(
     IntPtr lens_Distortion, CardboardUv distorted_uv, CardboardEye eye);