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/*
* Copyright © 2011-2012 Linaro Limited
*
* This file is part of glcompbench.
*
* glcompbench is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* glcompbench is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with glcompbench. If not, see <http://www.gnu.org/licenses/>.
*
* Authors:
* Alexandros Frantzis <alexandros.frantzis@linaro.org>
* Jesse Barker <jesse.barker@linaro.org>
*/
#include <cstring>
#include <cstdlib>
#include <cstdio>
#include <getopt.h>
#include <sstream>
#include "options.h"
#include "util.h"
std::vector<std::string> Options::benchmarks;
std::vector<std::string> Options::benchmark_files;
bool Options::validate = false;
Options::FrameEnd Options::frame_end = Options::FrameEndDefault;
std::pair<int,int> Options::size(800, 600);
bool Options::list_scenes = false;
bool Options::show_all_options = false;
bool Options::show_debug = false;
bool Options::show_help = false;
bool Options::reuse_context = false;
bool Options::run_forever = false;
bool Options::annotate = false;
bool Options::offscreen = false;
GLVisualConfig Options::visual_config;
static struct option long_options[] = {
{"annotate", 0, 0, 0},
{"benchmark", 1, 0, 0},
{"benchmark-file", 1, 0, 0},
{"validate", 0, 0, 0},
{"frame-end", 1, 0, 0},
{"off-screen", 0, 0, 0},
{"visual-config", 1, 0, 0},
{"reuse-context", 0, 0, 0},
{"run-forever", 0, 0, 0},
{"size", 1, 0, 0},
{"fullscreen", 0, 0, 0},
{"list-scenes", 0, 0, 0},
{"show-all-options", 0, 0, 0},
{"debug", 0, 0, 0},
{"help", 0, 0, 0},
{0, 0, 0, 0}
};
/**
* Parses a size string of the form WxH
*
* @param str the string to parse
* @param size the parsed size (width, height)
*/
static void
parse_size(const std::string &str, std::pair<int,int> &size)
{
std::vector<std::string> d;
Util::split(str, 'x', d);
size.first = Util::fromString<int>(d[0]);
/*
* Parse the second element (height). If there is none, use the value
* of the first element for the second (width = height)
*/
if (d.size() > 1)
size.second = Util::fromString<int>(d[1]);
else
size.second = size.first;
}
/**
* Parses a frame-end method string
*
* @param str the string to parse
*
* @return the parsed frame end method
*/
static Options::FrameEnd
frame_end_from_str(const std::string &str)
{
Options::FrameEnd m = Options::FrameEndDefault;
if (str == "swap")
m = Options::FrameEndSwap;
else if (str == "finish")
m = Options::FrameEndFinish;
else if (str == "readpixels")
m = Options::FrameEndReadPixels;
else if (str == "none")
m = Options::FrameEndNone;
return m;
}
void
Options::print_help()
{
printf("A benchmark for Open GL (ES) 2.0\n"
"\n"
"Options:\n"
" -b, --benchmark BENCH A benchmark to run: 'scene(:opt1=val1)*'\n"
" (the option can be used multiple times)\n"
" -f, --benchmark-file F Load benchmarks to run from a file containing a\n"
" list of benchmark descriptions (one per line)\n"
" (the option can be used multiple times)\n"
" --validate Run a quick output validation test instead of \n"
" running the benchmarks\n"
" --frame-end METHOD How to end a frame [default,none,swap,finish,readpixels]\n"
" --off-screen Render to an off-screen surface\n"
" --visual-config C The visual configuration to use for the rendering\n"
" target: 'red=R:green=G:blue=B:alpha=A:buffer=BUF'.\n"
" The parameters may be defined in any order, and any\n"
" omitted parameters assume a default value of '1'\n"
" --reuse-context Use a single context for all scenes\n"
" (by default, each scene gets its own context)\n"
" -s, --size WxH Size of the output window (default: 800x600)\n"
" --fullscreen Run in fullscreen mode (equivalent to --size -1x-1)\n"
" -l, --list-scenes Display information about the available scenes\n"
" and their options\n"
" --show-all-options Show all scene option values used for benchmarks\n"
" (only explicitly set options are shown by default)\n"
" --run-forever Run indefinitely, looping from the last benchmark\n"
" back to the first\n"
" --annotate Annotate the benchmarks with on-screen information\n"
" (same as -b :show-fps=true:title=#info#)\n"
" -d, --debug Display debug messages\n"
" -h, --help Display help\n");
}
bool
Options::parse_args(int argc, char **argv)
{
while (1) {
int option_index = -1;
int c;
const char *optname = "";
c = getopt_long(argc, argv, "b:f:s:ldh",
long_options, &option_index);
if (c == -1)
break;
if (c == ':' || c == '?')
return false;
if (option_index != -1)
optname = long_options[option_index].name;
if (!strcmp(optname, "annotate"))
Options::annotate = true;
if (c == 'b' || !strcmp(optname, "benchmark"))
Options::benchmarks.push_back(optarg);
else if (c == 'f' || !strcmp(optname, "benchmark-file"))
Options::benchmark_files.push_back(optarg);
else if (!strcmp(optname, "validate"))
Options::validate = true;
else if (!strcmp(optname, "frame-end"))
Options::frame_end = frame_end_from_str(optarg);
else if (!strcmp(optname, "off-screen"))
Options::offscreen = true;
else if (!strcmp(optname, "visual-config"))
Options::visual_config = GLVisualConfig(optarg);
else if (!strcmp(optname, "reuse-context"))
Options::reuse_context = true;
else if (c == 's' || !strcmp(optname, "size"))
parse_size(optarg, Options::size);
else if (!strcmp(optname, "fullscreen"))
Options::size = std::pair<int,int>(-1, -1);
else if (c == 'l' || !strcmp(optname, "list-scenes"))
Options::list_scenes = true;
else if (!strcmp(optname, "show-all-options"))
Options::show_all_options = true;
else if (!strcmp(optname, "run-forever"))
Options::run_forever = true;
else if (c == 'd' || !strcmp(optname, "debug"))
Options::show_debug = true;
else if (c == 'h' || !strcmp(optname, "help"))
Options::show_help = true;
}
return true;
}
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