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/*
* Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistribution of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistribution 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 Sun Microsystems, Inc. or the names of
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
* MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
* ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
* DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
* DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
* SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed or intended for use
* in the design, construction, operation or maintenance of any nuclear
* facility.
*
* Sun gratefully acknowledges that this software was originally authored
* and developed by Kenneth Bradley Russell and Christopher John Kline.
*/
package com.sun.opengl.impl;
import java.awt.Toolkit;
import java.security.*;
public class NativeLibLoader {
private static volatile boolean doLoading = true;
public static void disableLoading() {
doLoading = false;
}
public static void enableLoading() {
doLoading = true;
}
private static volatile boolean loadedCore = false;
private static volatile boolean loadedAWTImpl = false;
private static volatile boolean loadedDRIHack = false;
public static void loadCore() {
if (doLoading && !loadedCore) {
synchronized (NativeLibLoader.class) {
if (!loadedCore) {
AccessController.doPrivileged(new PrivilegedAction() {
public Object run() {
System.loadLibrary("jogl");
return null;
}
});
loadedCore = true;
}
}
}
}
public static void loadAWTImpl() {
if (doLoading && !loadedAWTImpl) {
synchronized (NativeLibLoader.class) {
if (!loadedAWTImpl) {
AccessController.doPrivileged(new PrivilegedAction() {
public Object run() {
boolean isOSX = System.getProperty("os.name").equals("Mac OS X");
if (!isOSX) {
// Must pre-load JAWT on all non-Mac platforms to
// ensure references from jogl_awt shared object
// will succeed since JAWT shared object isn't in
// default library path
try {
System.loadLibrary("jawt");
} catch (UnsatisfiedLinkError e) {
// Accessibility technologies load JAWT themselves; safe to continue
// as long as JAWT is loaded by any loader
if (e.getMessage().indexOf("already loaded") == -1) {
throw e;
}
}
}
System.loadLibrary("jogl_awt");
return null;
}
});
loadedAWTImpl = true;
}
}
}
}
// See DRIHack.java in com/sun/opengl/impl/x11/ for description of
// why this is needed
public static void loadDRIHack() {
if (doLoading && !loadedDRIHack) {
synchronized (NativeLibLoader.class) {
if (!loadedDRIHack) {
AccessController.doPrivileged(new PrivilegedAction() {
public Object run() {
System.loadLibrary("jogl_drihack");
return null;
}
});
loadedDRIHack = true;
}
}
}
}
}
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