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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@lunarg.com>
  27.  */
  28.  
  29. #ifndef _TABLE_H_
  30. #define _TABLE_H_
  31.  
  32. #include "u_compiler.h"
  33. #include "stub.h"
  34.  
  35. #define MAPI_TMP_DEFINES
  36. #define MAPI_TMP_TABLE
  37. #include "mapi_tmp.h"
  38.  
  39. #define MAPI_TABLE_NUM_SLOTS (MAPI_TABLE_NUM_STATIC + MAPI_TABLE_NUM_DYNAMIC)
  40. #define MAPI_TABLE_SIZE (MAPI_TABLE_NUM_SLOTS * sizeof(mapi_func))
  41.  
  42. extern const mapi_func table_noop_array[];
  43.  
  44. /**
  45.  * Get the no-op dispatch table.
  46.  */
  47. static INLINE const struct mapi_table *
  48. table_get_noop(void)
  49. {
  50.    return (const struct mapi_table *) table_noop_array;
  51. }
  52.  
  53. /**
  54.  * Update the dispatch table to dispatch a stub to the given function.
  55.  */
  56. static INLINE void
  57. table_set_func(struct mapi_table *tbl,
  58.                const struct mapi_stub *stub, mapi_func func)
  59. {
  60.    mapi_func *funcs = (mapi_func *) tbl;
  61.    funcs[stub->slot] = func;
  62. }
  63.  
  64. /**
  65.  * Return the dispatched function of a stub.
  66.  */
  67. static INLINE mapi_func
  68. table_get_func(const struct mapi_table *tbl, const struct mapi_stub *stub)
  69. {
  70.    const mapi_func *funcs = (const mapi_func *) tbl;
  71.    return funcs[stub->slot];
  72. }
  73.  
  74. #endif /* _TABLE_H_ */
  75.