/*
* Copyright (c) 2002-2008 LWJGL Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'LWJGL' nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.lwjgl;
import java.io.File;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.nio.ByteBuffer;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import java.util.*;
/**
* <p>
* Internal library methods
* </p>
*
* @author Brian Matzon <brian@matzon.dk>
* @version $Revision: 3475 $
* $Id: LWJGLUtil.java 3475 2011-01-23 07:48:50Z matzon $
*/
public class LWJGLUtil {
public static final int PLATFORM_LINUX = 1;
public static final int PLATFORM_MACOSX = 2;
public static final int PLATFORM_WINDOWS = 3;
public static final String PLATFORM_LINUX_NAME = "linux";
public static final String PLATFORM_MACOSX_NAME = "macosx";
public static final String PLATFORM_WINDOWS_NAME = "windows";
/** LWJGL Logo - 16 by 16 pixels */
public static final ByteBuffer LWJGLIcon16x16 = BufferUtils.createByteBuffer(16 * 16 * 4).put(new byte[] {
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -2, -1, -1, -1, -62, -41, -24, -1, 116, -92, -53, -1, 80, -117,
-67, -1, 84, -114, -65, -1, -122, -81, -46, -1, -25, -17, -10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -11, -11, -11, -1,
-115, -113, -111, -1, 118, -126, -115, -1, 125, -115, -101, -1, -124, -103, -86, -1, -108, -73, -43, -1,
58, 125, -75, -1, 72, -122, -70, -1, -38, -25, -15, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -12, -8, -5, -1, -100, -98, -96, -1, 0, 0, 0, -1, 0, 0, 0, -1,
0, 0, 0, -1, 0, 0, 0, -1, -28, -28, -28, -1, -124, -83, -48, -1, 58, 125, -75, -1, 91, -110, -63, -1, -4,
-3, -2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -111, -74, -43,
-1, 95, 95, 95, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 34, 34, 34, -1, -1, -1, -1, -1, -24, -16, -10,
-1, 57, 124, -75, -1, 58, 125, -75, -1, -60, -40, -23, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -58, -39, -23, -1, -127, -85, -50, -1, 29, 29, 29, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0,
-1, 102, 102, 102, -1, -1, -1, -1, -1, -48, -32, -19, -1, 58, 125, -75, -1, 58, 125, -75, -1, -115, -76,
-44, -1, -1, -1, -1, -1, -14, -14, -14, -1, -91, -91, -91, -1, -33, -33, -33, -1, -94, -63, -36, -1, -80,
-59, -42, -1, 10, 10, 10, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, -88, -88, -88, -1, -1, -1, -1, -1,
-105, -70, -40, -1, 58, 125, -75, -1, 58, 125, -75, -1, 113, -95, -54, -1, -1, -1, -1, -1, -95, -95, -95,
-1, 0, 0, 0, -1, 1, 1, 1, -1, 35, 35, 35, -1, -52, -52, -52, -1, -48, -48, -48, -1, -91, -91, -91, -1,
-124, -124, -124, -1, 92, 92, 92, -1, -17, -17, -17, -1, -1, -1, -1, -1, 96, -106, -61, -1, 58, 125, -75,
-1, 58, 125, -75, -1, 109, -98, -56, -1, -1, -1, -1, -1, 94, 94, 94, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0,
-1, -49, -49, -49, -1, 31, 31, 31, -1, 3, 3, 3, -1, 43, 43, 43, -1, 108, 108, 108, -1, -58, -58, -58, -1,
-6, -4, -3, -1, -98, -65, -38, -1, 119, -91, -52, -1, 76, -119, -68, -1, 124, -88, -50, -1, -1, -1, -1, -1,
27, 27, 27, -1, 0, 0, 0, -1, 0, 0, 0, -1, 23, 23, 23, -1, -42, -42, -42, -1, 1, 1, 1, -1, 0, 0, 0, -1, 0,
0, 0, -1, 0, 0, 0, -1, 82, 82, 82, -1, -27, -27, -27, -1, 61, 61, 61, -1, 104, 104, 104, -1, -90, -90, -89,
-1, -38, -34, -31, -1, -1, -1, -1, -1, 116, 116, 116, -1, 14, 14, 14, -1, 0, 0, 0, -1, 89, 89, 89, -1,
-107, -107, -107, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, -111, -111, -111, -1, -101, -101,
-101, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 2, 2, 2, -1, 67, 67, 67, -1, -1, -1, -1, -1, -18, -18,
-18, -1, -116, -116, -116, -1, -65, -65, -65, -1, 86, 86, 86, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0,
0, 0, -1, -45, -45, -45, -1, 88, 88, 88, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 51, 51,
51, -1, -1, -1, -1, -1, -1, -1, -1, -1, -4, -3, -2, -1, -1, -1, -1, -1, -64, -64, -64, -1, 64, 64, 64, -1,
2, 2, 2, -1, 0, 0, 0, -1, 27, 27, 27, -1, -5, -5, -5, -1, 23, 23, 23, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0,
0, -1, 0, 0, 0, -1, 120, 120, 120, -1, -1, -1, -1, -1, -1, -1, -1, -1, -46, -31, -18, -1, 126, -87, -50,
-1, -32, -22, -13, -1, -1, -1, -1, -1, -44, -44, -44, -1, 109, 109, 109, -1, -124, -124, -124, -1, -45,
-45, -45, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, -67, -67, -67, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -2, -2, -2, -1, 102, -102, -59, -1, 61, 127, -74, -1, -126, -84, -48, -1, -28, -19,
-11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -27, -27, -27, -1, 45, 45, 45, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0,
0, -1, 12, 12, 12, -1, -10, -10, -10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -30, -20, -12,
-1, 77, -119, -68, -1, 58, 125, -75, -1, 62, -128, -74, -1, -121, -80, -46, -1, -25, -17, -10, -1, -1, -1,
-1, -1, -2, -2, -2, -1, -68, -68, -68, -1, 79, 79, 79, -1, 3, 3, 3, -1, 74, 74, 74, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -21, -14, -8, -1, -116, -77, -44, -1, 86, -112,
-64, -1, 80, -116, -67, -1, 119, -91, -52, -1, -19, -13, -8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -33, -33, -33, -1, -26, -26, -26, -1, -1, -1, -1, -1
});
/** LWJGL Logo - 32 by 32 pixels */
public static final ByteBuffer LWJGLIcon32x32 = BufferUtils.createByteBuffer(32 * 32 * 4).put(new byte[] {
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -6, -4, -3, -1, -53, -35,
-20, -1, -109, -73, -42, -1, 111, -96, -55, -1, 92, -109, -62, -1, 96, -106, -61, -1, 122, -89, -51, -1,
-84, -56, -32, -1, -19, -13, -8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1,
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-1, -1, -123, -82, -47, -1, 58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1, 57,
125, -75, -1, -52, -34, -20, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -2, -2,
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0, -1, 0, 0, 0, -1, 51, 51, 51, -1, -3, -3, -3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -5, -4, -3, -1, 80,
-117, -67, -1, 58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1, 57, 125, -75, -1,
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58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1,
-96, -64, -37, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 102, 102, 102, -1, 0, 0, 0, -1, 0, 0, 0,
-1, 0, 0, 0, -1, 6, 6, 6, -1, 39, 39, 39, -1, 102, 102, 102, -1, -44, -44, -44, -1, -1, -1, -1, -1, -10,
-10, -10, -1, -48, -48, -48, -1, -105, -105, -105, -1, 94, 94, 94, -1, 39, 39, 39, -1, 4, 4, 4, -1, 0, 0,
0, -1, 3, 3, 3, -1, -64, -64, -64, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -94, -63, -37, -1,
58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1,
-98, -65, -38, -1, -1, -1, -1, -1, -1, -1, -1, -1, -5, -5, -5, -1, 37, 37, 37, -1, 0, 0, 0, -1, 0, 0, 0,
-1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 92, 92, 92, -1, -1, -1, -1, -1, -22, -22, -22, -1,
-113, -113, -113, -1, -75, -75, -75, -1, -23, -23, -23, -1, -3, -3, -3, -1, -25, -25, -25, -1, -78, -78,
-78, -1, -67, -67, -67, -1, -2, -2, -2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 107, -99, -57,
-1, 58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75,
-1, -95, -63, -36, -1, -1, -1, -1, -1, -1, -1, -1, -1, -37, -37, -37, -1, 3, 3, 3, -1, 0, 0, 0, -1, 0, 0,
0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, -125, -125, -125, -1, -1, -1, -1, -1, 95, 95,
95, -1, 0, 0, 0, -1, 0, 0, 0, -1, 11, 11, 11, -1, 55, 55, 55, -1, 118, 118, 118, -1, -73, -73, -73, -1,
-16, -16, -16, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -16, -11, -7, -1, 75, -120, -69, -1, 61,
127, -74, -1, 57, 124, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1,
-78, -52, -30, -1, -1, -1, -1, -1, -1, -1, -1, -1, -102, -102, -102, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0,
-1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, -59, -59, -59, -1, -9, -9, -9, -1, 29, 29, 29, -1,
0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 7, 7, 7, -1, 60, 60, 60, -1,
-33, -33, -33, -1, -1, -1, -1, -1, -5, -4, -3, -1, -4, -3, -2, -1, -13, -9, -6, -1, -52, -35, -21, -1, -98,
-66, -38, -1, 114, -95, -55, -1, 76, -119, -69, -1, 58, 125, -75, -1, -55, -36, -21, -1, -1, -1, -1, -1,
-1, -1, -1, -1, 86, 86, 86, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0,
-1, 15, 15, 15, -1, -7, -7, -7, -1, -47, -47, -47, -1, 3, 3, 3, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1,
0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, -114, -114, -114, -1, -1, -1, -1, -1, -7,
-7, -7, -1, -124, -124, -124, -1, 112, 112, 112, -1, -80, -80, -80, -1, -22, -22, -22, -1, -1, -1, -1, -1,
-7, -5, -4, -1, -36, -24, -14, -1, -10, -7, -4, -1, -1, -1, -1, -1, -1, -1, -1, -1, 21, 21, 21, -1, 0, 0,
0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 78, 78, 78, -1, -1, -1, -1, -1,
-111, -111, -111, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0,
0, -1, 0, 0, 0, -1, 0, 0, 0, -1, -69, -69, -69, -1, -1, -1, -1, -1, -98, -98, -98, -1, 0, 0, 0, -1, 0, 0,
0, -1, 0, 0, 0, -1, 4, 4, 4, -1, 47, 47, 47, -1, 112, 112, 112, -1, -80, -80, -80, -1, -26, -26, -26, -1,
-2, -2, -2, -1, -1, -1, -1, -1, 57, 57, 57, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0,
0, -1, 0, 0, 0, -1, -112, -112, -112, -1, -1, -1, -1, -1, 77, 77, 77, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0,
0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 16, 16, 16, -1, -16, -16, -16, -1,
-1, -1, -1, -1, 90, 90, 90, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0,
-1, 0, 0, 0, -1, 9, 9, 9, -1, 50, 50, 50, -1, -79, -79, -79, -1, -10, -10, -10, -1, -95, -95, -95, -1, 53,
53, 53, -1, 2, 2, 2, -1, 0, 0, 0, -1, 0, 0, 0, -1, 2, 2, 2, -1, -47, -47, -47, -1, -11, -11, -11, -1, 19,
19, 19, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0,
0, 0, -1, 69, 69, 69, -1, -2, -2, -2, -1, -8, -8, -8, -1, 29, 29, 29, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0,
0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 43, 43, 43, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -4, -4, -4, -1, -66, -66, -66, -1, 80, 80, 80, -1, 5, 5, 5, -1, 37, 37, 37, -1,
-7, -7, -7, -1, -62, -62, -62, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0,
0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, -122, -122, -122, -1, -1, -1, -1, -1, -46, -46, -46, -1, 1,
1, 1, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0,
0, -1, 0, 0, 0, -1, 67, 67, 67, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -2, -2,
-2, -1, -36, -36, -36, -1, -32, -32, -32, -1, -1, -1, -1, -1, -107, -107, -107, -1, 0, 0, 0, -1, 0, 0, 0,
-1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 1, 1, 1, -1, -56, -56,
-56, -1, -1, -1, -1, -1, -114, -114, -114, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0,
-1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, -120, -120, -120, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -33, -33, -33, -1, 41, 41, 41, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0,
0, 0, -1, 0, 0, 0, -1, 24, 24, 24, -1, -11, -11, -11, -1, -1, -1, -1, -1, 74, 74, 74, -1, 0, 0, 0, -1, 0,
0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0,
0, -1, -49, -49, -49, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-15, -10, -6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -7, -7, -7, -1, -75, -75, -75, -1, 75,
75, 75, -1, 6, 6, 6, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 82, 82, 82, -1, -1, -1, -1,
-1, -8, -8, -8, -1, 16, 16, 16, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0,
0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 28, 28, 28, -1, -8, -8, -8, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -122, -81, -47, -1, -112, -75, -43, -1, -22, -15, -9,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -37, -37, -37, -1, 120, 120, 120, -1,
27, 27, 27, -1, 0, 0, 0, -1, 0, 0, 0, -1, -106, -106, -106, -1, -1, -1, -1, -1, -58, -58, -58, -1, 0, 0, 0,
-1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1,
0, 0, 0, -1, 90, 90, 90, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -61, -40, -23, -1, 58, 125, -75, -1, 67, -125, -72, -1, -108, -72, -42, -1, -19, -13,
-8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -12, -12, -12, -1, -89, -89, -89,
-1, -123, -123, -123, -1, -12, -12, -12, -1, -1, -1, -1, -1, -122, -122, -122, -1, 0, 0, 0, -1, 0, 0, 0,
-1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1,
-99, -99, -99, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -6, -5, -3, -1, 93, -108, -62, -1, 58, 125, -75, -1, 58, 125, -75, -1, 70, -123, -71, -1, -104,
-69, -40, -1, -17, -12, -7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -101, -101, -101, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0,
-1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 5, 5, 5, -1, -35, -35, -35, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-59, -39, -23, -1, 59, 126, -74, -1, 58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1, 72, -122, -70,
-1, -98, -66, -38, -1, -14, -10, -6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -5, -5, -5, -1, -114, -114, -114, -1, 37, 37, 37, -1, 1, 1, 1, -1, 0, 0, 0, -1, 0, 0, 0,
-1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 44, 44, 44, -1, -4, -4, -4, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-113, -75, -43, -1, 58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75,
-1, 74, -121, -69, -1, -93, -62, -36, -1, -13, -9, -6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -6, -6, -6, -1, -80, -80, -80, -1, 69, 69, 69, -1, 4, 4, 4, -1, 0, 0, 0,
-1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 110, 110, 110, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -4, -3,
-2, -1, -123, -81, -47, -1, 58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1, 58,
125, -75, -1, 58, 125, -75, -1, 77, -119, -68, -1, -88, -59, -34, -1, -10, -7, -4, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -2, -2, -2, -1, -46, -46, -46, -1, 104, 104,
104, -1, 14, 14, 14, -1, 0, 0, 0, -1, 1, 1, 1, -1, -72, -72, -72, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -2, -2, -1, -1, -79, -53, -30, -1, 76, -119, -68, -1, 57, 125, -75, -1, 58, 125, -75, -1,
58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1, 58, 125, -75, -1, 77, -119, -68, -1, -65, -44, -25,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -20, -20, -20, -1, -109, -109, -109, -1, -101, -101, -101, -1, -3, -3, -3, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -13, -9, -6, -1, -75, -50, -29, -1, -127,
-84, -48, -1, 101, -103, -59, -1, 97, -105, -60, -1, 108, -98, -56, -1, -113, -75, -43, -1, -59, -39, -23,
-1, -9, -6, -4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1
});
/** Debug flag. */
public static final boolean DEBUG = getPrivilegedBoolean("org.lwjgl.util.Debug");
public static final boolean CHECKS = !getPrivilegedBoolean("org.lwjgl.util.NoChecks");
private static final int PLATFORM;
static {
LWJGLIcon16x16.flip();
LWJGLIcon32x32.flip();
final String osName = getPrivilegedProperty("os.name");
if ( osName.startsWith("Windows") )
PLATFORM = PLATFORM_WINDOWS;
else if ( osName.startsWith("Linux") || osName.startsWith("FreeBSD") || osName.startsWith("SunOS") )
PLATFORM = PLATFORM_LINUX;
else if ( osName.startsWith("Mac OS X") || osName.startsWith("Darwin") )
PLATFORM = PLATFORM_MACOSX;
else
throw new LinkageError("Unknown platform: " + osName);
}
/**
* @see #PLATFORM_WINDOWS
* @see #PLATFORM_LINUX
* @see #PLATFORM_MACOSX
* @return the current platform type
*/
public static int getPlatform() {
return PLATFORM;
}
/**
* @see #PLATFORM_WINDOWS_NAME
* @see #PLATFORM_LINUX_NAME
* @see #PLATFORM_MACOSX_NAME
* @return current platform name
*/
public static String getPlatformName() {
switch (LWJGLUtil.getPlatform()) {
case LWJGLUtil.PLATFORM_LINUX:
return PLATFORM_LINUX_NAME;
case LWJGLUtil.PLATFORM_MACOSX:
return PLATFORM_MACOSX_NAME;
case LWJGLUtil.PLATFORM_WINDOWS:
return PLATFORM_WINDOWS_NAME;
default:
return "unknown";
}
}
/**
* Locates the paths required by a library.
*
* @param libname Local Library Name to search the classloader with ("openal").
* @param platform_lib_name The native library name ("libopenal.so")
* @param classloader The classloader to ask for library paths
* @return Paths to located libraries, if any
*/
public static String[] getLibraryPaths(String libname, String platform_lib_name, ClassLoader classloader) {
return getLibraryPaths(libname, new String[]{platform_lib_name}, classloader);
}
/**
* Locates the paths required by a library.
*
* @param libname Local Library Name to search the classloader with ("openal").
* @param platform_lib_names The list of possible library names ("libopenal.so")
* @param classloader The classloader to ask for library paths
* @return Paths to located libraries, if any
*/
public static String[] getLibraryPaths(String libname, String[] platform_lib_names, ClassLoader classloader) {
// need to pass path of possible locations of library to native side
List<String> possible_paths = new ArrayList<String>();
String classloader_path = getPathFromClassLoader(libname, classloader);
if (classloader_path != null) {
log("getPathFromClassLoader: Path found: " + classloader_path);
possible_paths.add(classloader_path);
}
for ( String platform_lib_name : platform_lib_names ) {
String lwjgl_classloader_path = getPathFromClassLoader("lwjgl", classloader);
if ( lwjgl_classloader_path != null ) {
log("getPathFromClassLoader: Path found: " + lwjgl_classloader_path);
possible_paths.add(lwjgl_classloader_path.substring(0, lwjgl_classloader_path.lastIndexOf(File.separator))
+ File.separator + platform_lib_name);
}
// add Installer path
String alternative_path = getPrivilegedProperty("org.lwjgl.librarypath");
if ( alternative_path != null ) {
possible_paths.add(alternative_path + File.separator + platform_lib_name);
}
// Add all possible paths from java.library.path
String java_library_path = getPrivilegedProperty("java.library.path");
StringTokenizer st = new StringTokenizer(java_library_path, File.pathSeparator);
while ( st.hasMoreTokens() ) {
String path = st.nextToken();
possible_paths.add(path + File.separator + platform_lib_name);
}
//add current path
String current_dir = getPrivilegedProperty("user.dir");
possible_paths.add(current_dir + File.separator + platform_lib_name);
//add pure library (no path, let OS search)
possible_paths.add(platform_lib_name);
}
//create needed string array
return possible_paths.toArray(new String[possible_paths.size()]);
}
static void execPrivileged(final String[] cmd_array) throws Exception {
try {
Process process = AccessController.doPrivileged(new PrivilegedExceptionAction<Process>() {
public Process run() throws Exception {
return Runtime.getRuntime().exec(cmd_array);
}
});
// Close unused streams to make sure the child process won't hang
process.getInputStream().close();
process.getOutputStream().close();
process.getErrorStream().close();
} catch (PrivilegedActionException e) {
throw (Exception)e.getCause();
}
}
private static String getPrivilegedProperty(final String property_name) {
return AccessController.doPrivileged(new PrivilegedAction<String>() {
public String run() {
return System.getProperty(property_name);
}
});
}
/**
* Tries to locate named library from the current ClassLoader
* This method exists because native libraries are loaded from native code, and as such
* is exempt from ClassLoader library loading rutines. It therefore always fails.
* We therefore invoke the protected method of the ClassLoader to see if it can
* locate it.
*
* @param libname Name of library to search for
* @param classloader Classloader to use
* @return Absolute path to library if found, otherwise null
*/
private static String getPathFromClassLoader(final String libname, final ClassLoader classloader) {
try {
log("getPathFromClassLoader: searching for: " + libname);
Class<?> c = classloader.getClass();
while (c != null) {
final Class<?> clazz = c;
try {
return AccessController.doPrivileged(new PrivilegedExceptionAction<String>() {
public String run() throws Exception {
Method findLibrary = clazz.getDeclaredMethod("findLibrary", String.class);
findLibrary.setAccessible(true);
String path = (String)findLibrary.invoke(classloader, libname);
return path;
}
});
} catch (PrivilegedActionException e) {
log("Failed to locate findLibrary method: " + e.getCause());
c = c.getSuperclass();
}
}
} catch (Exception e) {
log("Failure locating " + e + " using classloader:" + e);
}
return null;
}
/**
* Gets a boolean property as a privileged action.
*/
private static boolean getPrivilegedBoolean(final String property_name) {
Boolean value = AccessController.doPrivileged(new PrivilegedAction<Boolean>() {
public Boolean run() {
return Boolean.getBoolean(property_name);
}
});
return value;
}
/**
* Prints the given message to System.err if DEBUG is true.
*
* @param msg Message to print
*/
public static void log(String msg) {
if (DEBUG) {
System.err.println(msg);
}
}
/**
* Method to determine if the current system is running a version of
* Mac OS X better than the given version. This is only useful for Mac OS X
* specific code and will not work for any other platform.
*/
public static boolean isMacOSXEqualsOrBetterThan(int major_required, int minor_required) {
String os_version = getPrivilegedProperty("os.version");
StringTokenizer version_tokenizer = new StringTokenizer(os_version, ".");
int major;
int minor;
try {
String major_str = version_tokenizer.nextToken();
String minor_str = version_tokenizer.nextToken();
major = Integer.parseInt(major_str);
minor = Integer.parseInt(minor_str);
} catch (Exception e) {
LWJGLUtil.log("Exception occurred while trying to determine OS version: " + e);
// Best guess, no
return false;
}
return major > major_required || (major == major_required && minor >= minor_required);
}
/**
* Returns a map of public static final integer fields in the specified classes, to their String representations.
* An optional filter can be specified to only include specific fields. The target map may be null, in which
* case a new map is allocated and returned.
* <p>
* This method is useful when debugging to quickly identify values returned from the AL/GL/CL APIs.
*
* @param filter the filter to use (optional)
* @param target the target map (optional)
* @param tokenClasses an array of classes to get tokens from
*
* @return the token map
*/
public static Map<Integer, String> getClassTokens(final TokenFilter filter, final Map<Integer, String> target, final Class ... tokenClasses) {
return getClassTokens(filter, target, Arrays.asList(tokenClasses));
}
/**
* Returns a map of public static final integer fields in the specified classes, to their String representations.
* An optional filter can be specified to only include specific fields. The target map may be null, in which
* case a new map is allocated and returned.
* <p>
* This method is useful when debugging to quickly identify values returned from the AL/GL/CL APIs.
*
* @param filter the filter to use (optional)
* @param target the target map (optional)
* @param tokenClasses the classes to get tokens from
*
* @return the token map
*/
public static Map<Integer, String> getClassTokens(final TokenFilter filter, Map<Integer, String> target, final Iterable<Class> tokenClasses) {
if ( target == null )
target = new HashMap<Integer, String>();
final int TOKEN_MODIFIERS = Modifier.PUBLIC | Modifier.STATIC | Modifier.FINAL;
for ( final Class tokenClass : tokenClasses ) {
for ( final Field field : tokenClass.getDeclaredFields() ) {
// Get only <public static final int> fields.
if ( (field.getModifiers() & TOKEN_MODIFIERS) == TOKEN_MODIFIERS && field.getType() == int.class ) {
try {
final int value = field.getInt(null);
if ( filter != null && !filter.accept(field, value) )
continue;
if ( target.containsKey(value) ) // Print colliding tokens in their hex representation.
target.put(value, toHexString(value));
else
target.put(value, field.getName());
} catch (IllegalAccessException e) {
// Ignore
}
}
}
}
return target;
}
/**
* Returns a string representation of the integer argument as an
* unsigned integer in base 16. The string will be uppercase
* and will have a leading '0x'.
*
* @param value the integer value
*
* @return the hex string representation
*/
public static String toHexString(final int value) {
return "0x" + Integer.toHexString(value).toUpperCase();
}
/** Simple interface for Field filtering. */
public interface TokenFilter {
/**
* Should return true if the specified Field passes the filter.
*
* @param field the Field to test
* @param value the integer value of the field
*
* @result true if the Field is accepted
*/
boolean accept(Field field, int value);
}
}