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      1 /*
      2  * Mesa 3-D graphics library
      3  * Version:  7.9
      4  *
      5  * Copyright (C) 2010 LunarG Inc.
      6  *
      7  * Permission is hereby granted, free of charge, to any person obtaining a
      8  * copy of this software and associated documentation files (the "Software"),
      9  * to deal in the Software without restriction, including without limitation
     10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     11  * and/or sell copies of the Software, and to permit persons to whom the
     12  * Software is furnished to do so, subject to the following conditions:
     13  *
     14  * The above copyright notice and this permission notice shall be included
     15  * in all copies or substantial portions of the Software.
     16  *
     17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     23  * DEALINGS IN THE SOFTWARE.
     24  *
     25  * Authors:
     26  *    Chia-I Wu <olv (at) lunarg.com>
     27  */
     28 
     29 #ifndef _TABLE_H_
     30 #define _TABLE_H_
     31 
     32 #include "u_compiler.h"
     33 #include "entry.h"
     34 
     35 #define MAPI_TMP_TABLE
     36 #include "mapi_tmp.h"
     37 
     38 #define MAPI_TABLE_NUM_SLOTS (MAPI_TABLE_NUM_STATIC + MAPI_TABLE_NUM_DYNAMIC)
     39 #define MAPI_TABLE_SIZE (MAPI_TABLE_NUM_SLOTS * sizeof(mapi_func))
     40 
     41 extern const mapi_func table_noop_array[];
     42 
     43 /**
     44  * Get the no-op dispatch table.
     45  */
     46 static INLINE const struct mapi_table *
     47 table_get_noop(void)
     48 {
     49    return (const struct mapi_table *) table_noop_array;
     50 }
     51 
     52 /**
     53  * Set the function of a slot.
     54  */
     55 static INLINE void
     56 table_set_func(struct mapi_table *tbl, int slot, mapi_func func)
     57 {
     58    mapi_func *funcs = (mapi_func *) tbl;
     59    funcs[slot] = func;
     60 }
     61 
     62 /**
     63  * Return the function of a slot.
     64  */
     65 static INLINE mapi_func
     66 table_get_func(const struct mapi_table *tbl, int slot)
     67 {
     68    const mapi_func *funcs = (const mapi_func *) tbl;
     69    return funcs[slot];
     70 }
     71 
     72 #endif /* _TABLE_H_ */
     73