lwjgl2-arm64/src/java/org/lwjgl/opengl/AWTSurfaceLock.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
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 *
 * * 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,
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package org.lwjgl.opengl;

import java.nio.ByteBuffer;

import org.lwjgl.BufferUtils;
import org.lwjgl.LWJGLException;
import org.lwjgl.Sys;

import java.awt.Canvas;

/**
 * $Id$
 *
 * @author elias_naur <elias_naur@users.sourceforge.net>
 * @version $Revision$
 */
final class AWTSurfaceLock {
	private final static int LOCK_HANDLE_SIZE = 64;
	private final ByteBuffer lock_buffer = BufferUtils.createByteBuffer(LOCK_HANDLE_SIZE);

	public ByteBuffer lockAndGetHandle(Canvas canvas) throws LWJGLException {
		lockAndInitHandle(lock_buffer, canvas);
		return lock_buffer;
	}
	private static native void 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;
}