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
32 printf ("Usage: glaze --wrapper=<wrapper> <program> [program args...]\n"
34 "Execute <program> with <wrapper> providing alternate OpenGL functions.\n");
38 WRAPPER_OPT = CHAR_MAX + 1
42 main (int argc, char *argv[])
44 const char *wrapper = NULL;
47 /* The initial '+' means that getopt will stop looking for
48 * options after the first non-option argument. This means
49 * that a command such as:
51 * glaze glenv --renderer=Foo glxgears
53 * Will do what is intended, (namely, have glaze invoke "glenv
54 * --renderer=Foo glxgears" rather than trying to interpret
55 * --renderer=Foo as an option to glaze itself.
57 const char *short_options="+h";
58 const struct option long_options[] = {
59 {"help", no_argument, 0, 'h'},
60 {"wrapper", required_argument, 0, WRAPPER_OPT},
66 opt = getopt_long (argc, argv, short_options, long_options, NULL);
78 fprintf (stderr, "Internal error: "
79 "unexpected getopt value: %d\n", opt);
85 fprintf (stderr, "Error: No program name provided, "
86 "see (glaze --help)\n");
90 glaze_execute (argc - optind, &argv[optind], wrapper);
92 /* If glaze_execute returns then something went wrong. */