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