1244 struct isl_surf {  struct
1245    enum isl_surf_dim dim;  argument
1259     * identical to the extent defined in isl_surf_init_info.  argument
1270     *    logical_layout := (isl_surf::dim, isl_surf::logical_level0_px)  argument
1273    struct isl_extent4d phys_level0_sa;
1275    uint32_t levels;
1276    uint32_t samples;
1279    uint64_t size_B;
1282    uint32_t alignment_B;
1306    /** Copy of isl_surf_init_info::usage. */  argument
1307    isl_surf_usage_flags_t usage;  argument