1 /*
2 Copyright (c) 2005-2021 Intel Corporation
3
4 Licensed under the Apache License, Version 2.0 (the "License");
5 you may not use this file except in compliance with the License.
6 You may obtain a copy of the License at
7
8 http://www.apache.org/licenses/LICENSE-2.0
9
10 Unless required by applicable law or agreed to in writing, software
11 distributed under the License is distributed on an "AS IS" BASIS,
12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 See the License for the specific language governing permissions and
14 limitations under the License.
15 */
16
17 #define VIDEO_WINMAIN_ARGS
18
19 #include <cstdio>
20
21 #include <iostream>
22
23 #include "oneapi/tbb/tick_count.h"
24
25 #include "common/utility/utility.hpp"
26
27 #include "fractal.hpp"
28 #include "fractal_video.hpp"
29
30 bool silent = false;
31 bool single = false;
32 bool schedule_auto = false;
33 int grain_size = 8;
34
main(int argc,char * argv[])35 int main(int argc, char *argv[]) {
36 oneapi::tbb::tick_count mainStartTime = oneapi::tbb::tick_count::now();
37
38 // It is used for console mode for test with different number of threads and also has
39 // meaning for GUI: threads.first - use separate event/updating loop thread (>0) or not (0).
40 // threads.second - initialization value for scheduler
41 utility::thread_number_range threads(utility::get_default_num_threads);
42 int num_frames = -1;
43 int max_iterations = 1000000;
44
45 // command line parsing
46 utility::parse_cli_arguments(
47 argc,
48 argv,
49 utility::cli_argument_pack()
50 //"-h" option for displaying help is present implicitly
51 .positional_arg(threads, "n-of-threads", utility::thread_number_range_desc)
52 .positional_arg(
53 num_frames, "n-of-frames", "number of frames the example processes internally")
54 .positional_arg(
55 max_iterations, "max-of-iterations", "maximum number of the fractal iterations")
56 .positional_arg(grain_size, "grain-size", "the grain size value")
57 .arg(schedule_auto, "use-auto-partitioner", "use oneapi::tbb::auto_partitioner")
58 .arg(silent, "silent", "no output except elapsed time")
59 .arg(single, "single", "process only one fractal"));
60
61 fractal_video video;
62
63 // video layer init
64 if (video.init_window(1024, 512)) {
65 video.calc_fps = false;
66 video.threaded = threads.first > 0;
67 // initialize fractal group
68 fractal_group fg(video.get_drawing_memory(), threads.last, max_iterations, num_frames);
69 video.set_fractal_group(fg);
70 // main loop
71 video.main_loop();
72 }
73 else if (video.init_console()) {
74 // in console mode we always have limited number of frames
75 num_frames = num_frames < 0 ? 1 : num_frames;
76 for (int p = threads.first; p <= threads.last; p = threads.step(p)) {
77 if (!silent)
78 printf("Threads = %d\n", p);
79 fractal_group fg(video.get_drawing_memory(), p, max_iterations, num_frames);
80 fg.run(!single);
81 }
82 }
83 video.terminate();
84 utility::report_elapsed_time((oneapi::tbb::tick_count::now() - mainStartTime).seconds());
85 return 0;
86 }
87