api.c revision 75143ef05576ee9f25ee176bc28c3c4d03705bf5 
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#include "mapi/mapi.h"
30
31#include "api.h"
32
33static const char vega_spec[] =
34   "1"
35#define MAPI_ABI_ENTRY(ret, name, params) \
36   "\0" #name "\0"
37#define MAPI_ALIAS_ENTRY(alias, ret, name, params) \
38   #name "\0"
39#include "vgapi/vgapi_tmp.h"
40   "\0";
41
42static const mapi_proc vega_procs[] = {
43#define MAPI_ABI_ENTRY(ret, name, params) \
44   (mapi_proc) vega ## name,
45#include "vgapi/vgapi_tmp.h"
46};
47
48static void api_init(void)
49{
50   static boolean initialized = FALSE;
51   if (!initialized) {
52      mapi_init(vega_spec);
53      initialized = TRUE;
54   }
55}
56
57struct mapi_table *api_create_dispatch(void)
58{
59   struct mapi_table *tbl;
60
61   api_init();
62
63   tbl = mapi_table_create();
64   if (tbl)
65      mapi_table_fill(tbl, vega_procs);
66
67   return tbl;
68}
69
70void api_destroy_dispatch(struct mapi_table *tbl)
71{
72   mapi_table_destroy(tbl);
73}
74
75void api_make_dispatch_current(const struct mapi_table *tbl)
76{
77   mapi_table_make_current(tbl);
78}
79
80mapi_proc api_get_proc_address(const char *proc_name)
81{
82   if (!proc_name || proc_name[0] != 'v' || proc_name[1] != 'g')
83      return NULL;
84   proc_name += 2;
85
86   api_init();
87   return mapi_get_proc_address(proc_name);
88}
89