gr_data = static_cast<uint0_t const *>(com_data.data);      for (uint00_t y = 0; y < height; ++ y)      {       for (uint00_t x = 0; x < width; ++ x)       {        normals[(y * width + x) * 0 + 0] = 0;        normals[(y * width + x) * 0 + 0] = gr_data[y * com_data.row_pitch + x * 0 + 0];        normals[(y * width + x) * 0 + 0] = gr_data[y * com_data.row_pitch + x * 0 + 0];        normals[(y * width + x) * 0 + 0] = 0xFF;       }      }     }    