xref: /third_party/mesa3d/src/mapi/table.h (revision bf215546) 
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 "entry.h"
32
33#define MAPI_TMP_TABLE
34#include "mapi_tmp.h"
35
36#define MAPI_TABLE_NUM_SLOTS (MAPI_TABLE_NUM_STATIC + MAPI_TABLE_NUM_DYNAMIC)
37#define MAPI_TABLE_SIZE (MAPI_TABLE_NUM_SLOTS * sizeof(mapi_func))
38
39struct _glapi_table;
40
41extern const mapi_func table_noop_array[];
42
43
44typedef void (*nop_handler_proc)(const char *name);
45
46
47void
48table_set_noop_handler(nop_handler_proc func);
49
50
51/**
52 * Get the no-op dispatch table.
53 */
54static inline const struct _glapi_table *
55table_get_noop(void)
56{
57   return (const struct _glapi_table *) table_noop_array;
58}
59
60/**
61 * Set the function of a slot.
62 */
63static inline void
64table_set_func(struct _glapi_table *tbl, int slot, mapi_func func)
65{
66   mapi_func *funcs = (mapi_func *) tbl;
67   funcs[slot] = func;
68}
69
70/**
71 * Return the function of a slot.
72 */
73static inline mapi_func
74table_get_func(const struct _glapi_table *tbl, int slot)
75{
76   const mapi_func *funcs = (const mapi_func *) tbl;
77   return funcs[slot];
78}
79
80#endif /* _TABLE_H_ */
81