1 /*
2 * Copyright © 2008, 2009 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 */
23
24 #include <stdlib.h>
25 #include <stdio.h>
26 #include <getopt.h>
27
28 /** @file main.cpp
29 *
30 * This file is the main() routine and scaffolding for producing
31 * builtin_compiler (which doesn't include builtins itself and is used
32 * to generate the profile information for builtin_function.cpp), and
33 * for glsl_compiler (which does include builtins and can be used to
34 * offline compile GLSL code and examine the resulting GLSL IR.
35 */
36
37 #include "main/mtypes.h"
38 #include "standalone.h"
39
40 static struct standalone_options options;
41
42 const struct option compiler_opts[] = {
43 { "dump-ast", no_argument, &options.dump_ast, 1 },
44 { "dump-hir", no_argument, &options.dump_hir, 1 },
45 { "dump-lir", no_argument, &options.dump_lir, 1 },
46 { "dump-builder", no_argument, &options.dump_builder, 1 },
47 { "link", no_argument, &options.do_link, 1 },
48 { "just-log", no_argument, &options.just_log, 1 },
49 { "lower-precision", no_argument, &options.lower_precision, 1 },
50 { "version", required_argument, NULL, 'v' },
51 { NULL, 0, NULL, 0 }
52 };
53
54 /**
55 * \brief Print proper usage and exit with failure.
56 */
57 static void
usage_fail(const char * name)58 usage_fail(const char *name)
59 {
60
61 const char *header =
62 "usage: %s [options] <file.vert | file.tesc | file.tese | file.geom | file.frag | file.comp>\n"
63 "\n"
64 "Possible options are:\n";
65 printf(header, name);
66 for (const struct option *o = compiler_opts; o->name != 0; ++o) {
67 printf(" --%s", o->name);
68 if (o->has_arg == required_argument)
69 printf(" (mandatory)");
70 printf("\n");
71 }
72 exit(EXIT_FAILURE);
73 }
74
75 int
main(int argc,char * const * argv)76 main(int argc, char * const* argv)
77 {
78 int status = EXIT_SUCCESS;
79
80 int c;
81 int idx = 0;
82 while ((c = getopt_long(argc, argv, "", compiler_opts, &idx)) != -1) {
83 switch (c) {
84 case 'v':
85 options.glsl_version = strtol(optarg, NULL, 10);
86 break;
87 default:
88 break;
89 }
90 }
91
92 if (argc <= optind)
93 usage_fail(argv[0]);
94
95 struct gl_shader_program *whole_program;
96 static struct gl_context local_ctx;
97
98 whole_program = standalone_compile_shader(&options, argc - optind,
99 &argv[optind], &local_ctx);
100
101 if (!whole_program)
102 usage_fail(argv[0]);
103
104 standalone_compiler_cleanup(whole_program);
105
106 return status;
107 }
108