private static Texture LoadBmp(string path)
        {
            var img = BitmapLoader.LoadFromFile(path);

            if (img == null)
            {
                return(null);
            }
            var ret = new Texture2D(img.Width, img.Height, TextureFormat.ARGB32, false);

            ret.SetPixels(img.Pixels);
            ret.Apply();
            return(ret);
        }