-st_texture_depth_offsets(struct pipe_texture *pt, GLuint level);
-
-
-/* Return the linear offset of an image relative to the start of its region.
- */
-extern GLuint
-st_texture_image_offset(const struct pipe_texture *pt,
- GLuint face, GLuint level);
-
-extern GLuint
-st_texture_texel_offset(const struct pipe_texture * pt,
- GLuint face, GLuint level,
- GLuint col, GLuint row, GLuint img);