1 /* Copyright © 2013, Intel Corporation
3 * Permission is hereby granted, free of charge, to any person obtaining a copy
4 * of this software and associated documentation files (the "Software"), to deal
5 * in the Software without restriction, including without limitation the rights
6 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7 * copies of the Software, and to permit persons to whom the Software is
8 * furnished to do so, subject to the following conditions:
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
31 glaze_lookup (char *function)
33 static void *libgl_handle = NULL;
36 if (libgl_handle == NULL) {
39 path = getenv ("GLAZE_LIBGL");
41 fprintf (stderr, "GLAZE_LIBGL unset. "
42 "Please set to path of libGL.so under glaze.\n"
47 libgl_handle = dlopen (path, RTLD_LAZY | RTLD_GLOBAL);
48 if (libgl_handle == NULL) {
49 fprintf (stderr, "Error: Failed to dlopen %s\n", path);
54 ret = dlsym (libgl_handle, function);
57 fprintf (stderr, "Error: glaze_lookup failed to dlsym %s\n",