/**
- * Reset the fields of a gl_texture_image struct to zero.
- *
- * \param img texture image structure.
- *
- * This is called when a proxy texture test fails, we set all the
- * image members (except DriverData) to zero.
- * It's also used in glTexImage[123]D as a safeguard to be sure all
- * required fields get initialized properly by the Driver.TexImage[123]D
- * functions.
+ * Set the size and format-related fields of a gl_texture_image struct
+ * to zero. This is used when a proxy texture test fails.
*/
static void
clear_teximage_fields(struct gl_texture_image *img)