74 lines
2.6 KiB
Java
74 lines
2.6 KiB
Java
/*
|
|
* Copyright (c) 2002-2004 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.opengl;
|
|
|
|
import java.awt.Canvas;
|
|
import java.nio.ByteBuffer;
|
|
|
|
import org.lwjgl.LWJGLException;
|
|
import org.lwjgl.LWJGLUtil;
|
|
|
|
/**
|
|
* $Id$
|
|
*
|
|
* @author elias_naur <elias_naur@users.sourceforge.net>
|
|
* @version $Revision$
|
|
*/
|
|
final class AWTSurfaceLock {
|
|
private final static int WAIT_DELAY_MILLIS = 100;
|
|
|
|
private final ByteBuffer lock_buffer;
|
|
|
|
public AWTSurfaceLock() {
|
|
lock_buffer = createHandle();
|
|
}
|
|
private static native ByteBuffer createHandle();
|
|
|
|
public ByteBuffer lockAndGetHandle(Canvas canvas) throws LWJGLException {
|
|
while (!lockAndInitHandle(lock_buffer, canvas)) {
|
|
LWJGLUtil.log("Could not get drawing surface info, retrying...");
|
|
try {
|
|
Thread.sleep(WAIT_DELAY_MILLIS);
|
|
} catch (InterruptedException e) {
|
|
LWJGLUtil.log("Interrupted while retrying: " + e);
|
|
}
|
|
}
|
|
return lock_buffer;
|
|
}
|
|
private static native boolean lockAndInitHandle(ByteBuffer lock_buffer, Canvas canvas) throws LWJGLException;
|
|
|
|
protected void unlock() throws LWJGLException {
|
|
nUnlock(lock_buffer);
|
|
}
|
|
private static native void nUnlock(ByteBuffer lock_buffer) throws LWJGLException;
|
|
}
|