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 #include <stdbool.h>
29 #include <stdlib.h>
30 #include <stdio.h>
31 #include <string.h>
32
33 #include "c11/threads.h"
34 #include "table.h"
35
36 static nop_handler_proc nop_handler = NULL;
37
38 void
table_set_noop_handler(nop_handler_proc func)39 table_set_noop_handler(nop_handler_proc func)
40 {
41 nop_handler = func;
42 }
43
44 static bool log_noop;
45
check_debug_env(void)46 static void check_debug_env(void)
47 {
48 const char *debug = getenv("MESA_DEBUG");
49 if (!debug)
50 debug = getenv("LIBGL_DEBUG");
51 if (debug && strcmp(debug, "silent") != 0)
52 log_noop = true;
53 }
54
55 static void
noop_warn(const char * name)56 noop_warn(const char *name)
57 {
58 if (nop_handler) {
59 nop_handler(name);
60 }
61 else {
62 static once_flag flag = ONCE_FLAG_INIT;
63 call_once(&flag, check_debug_env);
64
65 if (log_noop)
66 fprintf(stderr, "%s is no-op\n", name);
67 }
68 }
69
70 static int
noop_generic(void)71 noop_generic(void)
72 {
73 noop_warn("function");
74 return 0;
75 }
76
77 /* define noop_array */
78 #define MAPI_TMP_DEFINES
79 #define MAPI_TMP_NOOP_ARRAY
80 #include "mapi_tmp.h"
81