- void image(int, PixelFormat, GLenum, const void *);
- void sub_image(int, int, int, sizei, sizei, sizei, PixelFormat, GLenum, const void *);
+ void image(int, PixelFormat, DataType, const void *);
+ void sub_image(int, int, int, sizei, sizei, sizei, PixelFormat, DataType, const void *);