1 
 2 /*
 3  * Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
 4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 5  *
 6  * This code is free software; you can redistribute it and/or modify it
 7  * under the terms of the GNU General Public License version 2 only, as
 8  * published by the Free Software Foundation.  Oracle designates this
 9  * particular file as subject to the "Classpath" exception as provided
10  * by Oracle in the LICENSE file that accompanied this code.
11  *
12  * This code is distributed in the hope that it will be useful, but WITHOUT
13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
15  * version 2 for more details (a copy is included in the LICENSE file that
16  * accompanied this code).
17  *
18  * You should have received a copy of the GNU General Public License version
19  * 2 along with this work; if not, write to the Free Software Foundation,
20  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
21  *
22  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
23  * or visit www.oracle.com if you need additional information or have any
24  * questions.
25  */
26 package nbody;
27 import nbody.opencl.OpenCLNBodyGLWindow;
28 import wrap.opengl.GLTexture;
29 
30 import java.lang.foreign.Arena;
31 
32 public class Main {
33     public static void main(String[] args)  {
34         for (var arg : args) {
35             System.out.println("arg = "+arg);
36         }
37         int particleCount = args.length > 2 ? Integer.parseInt(args[2]) : 32768;
38         Mode mode = Mode.of(args.length > 3 ? args[3] : Mode.HAT.toString());
39         try (var arena = mode.equals(Mode.JavaMT4) || mode.equals(Mode.JavaMT) ? Arena.ofShared() : Arena.ofConfined()) {
40             var particleTexture = new GLTexture(arena, Main.class.getResourceAsStream("/particle.png"));
41             new OpenCLNBodyGLWindow( arena, 1000, 1000, particleTexture, particleCount, mode).bindEvents().mainLoop();
42         }
43     }
44 }