main.cpp revision b8e80941 
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
40static struct standalone_options options;
41
42const 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   { "version",  required_argument, NULL, 'v' },
50   { NULL, 0, NULL, 0 }
51};
52
53/**
54 * \brief Print proper usage and exit with failure.
55 */
56static void
57usage_fail(const char *name)
58{
59
60   const char *header =
61      "usage: %s [options] <file.vert | file.tesc | file.tese | file.geom | file.frag | file.comp>\n"
62      "\n"
63      "Possible options are:\n";
64   printf(header, name);
65   for (const struct option *o = compiler_opts; o->name != 0; ++o) {
66      printf("    --%s", o->name);
67      if (o->has_arg == required_argument)
68         printf(" (mandatory)");
69      printf("\n");
70   }
71   exit(EXIT_FAILURE);
72}
73
74int
75main(int argc, char * const* argv)
76{
77   int status = EXIT_SUCCESS;
78
79   int c;
80   int idx = 0;
81   while ((c = getopt_long(argc, argv, "", compiler_opts, &idx)) != -1) {
82      switch (c) {
83      case 'v':
84         options.glsl_version = strtol(optarg, NULL, 10);
85         break;
86      default:
87         break;
88      }
89   }
90
91   if (argc <= optind)
92      usage_fail(argv[0]);
93
94   struct gl_shader_program *whole_program;
95   static struct gl_context local_ctx;
96
97   whole_program = standalone_compile_shader(&options, argc - optind,
98                                             &argv[optind], &local_ctx);
99
100   if (!whole_program)
101      usage_fail(argv[0]);
102
103   standalone_compiler_cleanup(whole_program);
104
105   return status;
106}
107