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