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/*
* Copyright © 2008, 2009 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <stdlib.h>
#include <stdio.h>
#include <getopt.h>
/** @file main.cpp
*
* This file is the main() routine and scaffolding for producing
* builtin_compiler (which doesn't include builtins itself and is used
* to generate the profile information for builtin_function.cpp), and
* for glsl_compiler (which does include builtins and can be used to
* offline compile GLSL code and examine the resulting GLSL IR.
*/
#include "main/mtypes.h"
#include "standalone.h"
static struct standalone_options options;
const struct option compiler_opts[] = {
{ "dump-ast", no_argument, &options.dump_ast, 1 },
{ "dump-hir", no_argument, &options.dump_hir, 1 },
{ "dump-lir", no_argument, &options.dump_lir, 1 },
{ "dump-builder", no_argument, &options.dump_builder, 1 },
{ "link", no_argument, &options.do_link, 1 },
{ "just-log", no_argument, &options.just_log, 1 },
{ "lower-precision", no_argument, &options.lower_precision, 1 },
{ "version", required_argument, NULL, 'v' },
{ NULL, 0, NULL, 0 }
};
/**
* \brief Print proper usage and exit with failure.
*/
static void
usage_fail(const char *name)
{
const char *header =
"usage: %s [options] <file.vert | file.tesc | file.tese | file.geom | file.frag | file.comp>\n"
"\n"
"Possible options are:\n";
printf(header, name);
for (const struct option *o = compiler_opts; o->name != 0; ++o) {
printf(" --%s", o->name);
if (o->has_arg == required_argument)
printf(" (mandatory)");
printf("\n");
}
exit(EXIT_FAILURE);
}
int
main(int argc, char * const* argv)
{
int status = EXIT_SUCCESS;
int c;
int idx = 0;
while ((c = getopt_long(argc, argv, "", compiler_opts, &idx)) != -1) {
switch (c) {
case 'v':
options.glsl_version = strtol(optarg, NULL, 10);
break;
default:
break;
}
}
if (argc <= optind)
usage_fail(argv[0]);
struct gl_shader_program *whole_program;
static struct gl_context local_ctx;
whole_program = standalone_compile_shader(&options, argc - optind,
&argv[optind], &local_ctx);
if (!whole_program)
usage_fail(argv[0]);
standalone_compiler_cleanup(whole_program);
return status;
}