func (b *Bitmap) GetGLTextureSize() (int, int) { var w, h C.int C.al_get_opengl_texture_size((*C.ALLEGRO_BITMAP)(b), &w, &h) return int(w), int(h) }
func (b *Bitmap) GetOpenglTextureSize() (int32, int32) { var w, h C.int C.al_get_opengl_texture_size((*C.ALLEGRO_BITMAP)(unsafe.Pointer(b)), &w, &h) return int32(w), int32(h) }