32 struct gralloc_module_t {  struct
34     int (*registerBuffer)(gralloc_module_t const*, buffer_handle_t);  argument
35     int (*unregisterBuffer)(gralloc_module_t const*, buffer_handle_t);  argument
36     int (*lock)(gralloc_module_t const*, buffer_handle_t, int, int, int, int, int, void**);  argument
37     int (*unlock)(gralloc_module_t const*, buffer_handle_t);  argument
38     int (*perform)(gralloc_module_t const*, int, ...);  argument
39     int (*lock_ycbcr)(gralloc_module_t const*, buffer_handle_t, int, int, int, int, int,  argument
41 …  int (*lockAsync)(gralloc_module_t const*, buffer_handle_t, int, int, int, int, int, void**, int);  argument
42     int (*unlockAsync)(gralloc_module_t const*, buffer_handle_t, int*);  argument
43     int (*lockAsync_ycbcr)(gralloc_module_t const*, buffer_handle_t, int, int, int, int, int,  argument
45     int32_t (*getTransportSize)(gralloc_module_t const*, buffer_handle_t, uint32_t, uint32_t);  argument
46 …int32_t (*validateBufferSize)(gralloc_module_t const*, buffer_handle_t, uint32_t, uint32_t, int32_…  argument
48     void* reserved_proc[1];