src/compiler/glsl/main.cpp

   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 <stdio.h>
  25 #include <getopt.h>
  26
  27 /** @file main.cpp
  28  *
  29  * This file is the main() routine and scaffolding for producing
  30  * builtin_compiler (which doesn't include builtins itself and is used
  31  * to generate the profile information for builtin_function.cpp), and
  32  * for glsl_compiler (which does include builtins and can be used to
  33  * offline compile GLSL code and examine the resulting GLSL IR.
  34  */
  35
  36 #include "main/mtypes.h"
  37 #include "standalone.h"
  38
  39 static struct standalone_options options;
  40
  41 const struct option compiler_opts[] = {
  42    { "dump-ast", no_argument, &options.dump_ast, 1 },
  43    { "dump-hir", no_argument, &options.dump_hir, 1 },
  44    { "dump-lir", no_argument, &options.dump_lir, 1 },
  45    { "link",     no_argument, &options.do_link,  1 },
  46    { "just-log", no_argument, &options.just_log, 1 },
  47    { "version",  required_argument, NULL, 'v' },
  48    { NULL, 0, NULL, 0 }
  49 };
  50
  51 /**
  52  * \brief Print proper usage and exit with failure.
  53  */
  54 void
  55 usage_fail(const char *name)
  56 {
  57
  58    const char *header =
  59       "usage: %s [options] <file.vert | file.tesc | file.tese | file.geom | file.frag | file.comp>\n"
  60       "\n"
  61       "Possible options are:\n";
  62    printf(header, name);
  63    for (const struct option *o = compiler_opts; o->name != 0; ++o) {
  64       printf("    --%s\n", o->name);
  65    }
  66    exit(EXIT_FAILURE);
  67 }
  68
  69 int
  70 main(int argc, char * const* argv)
  71 {
  72    int status = EXIT_SUCCESS;
  73
  74    int c;
  75    int idx = 0;
  76    while ((c = getopt_long(argc, argv, "", compiler_opts, &idx)) != -1) {
  77       switch (c) {
  78       case 'v':
  79          options.glsl_version = strtol(optarg, NULL, 10);
  80          break;
  81       default:
  82          break;
  83       }
  84    }
  85
  86    if (argc <= optind)
  87       usage_fail(argv[0]);
  88
  89    struct gl_shader_program *whole_program;
  90
  91    whole_program = standalone_compile_shader(&options, argc - optind, &argv[optind]);
  92
  93    if (!whole_program)
  94       usage_fail(argv[0]);
  95
  96    standalone_compiler_cleanup(whole_program);
  97
  98    return status;
  99 }