lwjgl/src/java/org/lwjgl/opengl/LinuxAWTGLCanvasPeerInfo.java

74 lines
2.7 KiB
Java

/*
* 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.opengl;
import java.nio.ByteBuffer;
import org.lwjgl.LWJGLException;
import org.lwjgl.LWJGLUtil;
import java.awt.Canvas;
/**
*
* @author elias_naur <elias_naur@users.sourceforge.net>
* @version $Revision$
* $Id$
*/
final class LinuxAWTGLCanvasPeerInfo extends LinuxPeerInfo {
private final Canvas component;
private final AWTSurfaceLock awt_surface = new AWTSurfaceLock();
private int screen = -1;
LinuxAWTGLCanvasPeerInfo(Canvas component) {
this.component = component;
}
protected void doLockAndInitHandle() throws LWJGLException {
ByteBuffer surface_handle = awt_surface.lockAndGetHandle(component);
if (screen == -1) {
try {
screen = getScreenFromSurfaceInfo(surface_handle);
} catch (LWJGLException e) {
LWJGLUtil.log("Got exception while trying to determine screen: " + e);
screen = 0;
}
}
nInitHandle(screen, surface_handle, getHandle());
}
private static native int getScreenFromSurfaceInfo(ByteBuffer surface_handle) throws LWJGLException;
private static native void nInitHandle(int screen, ByteBuffer surface_buffer, ByteBuffer peer_info_handle) throws LWJGLException;
protected void doUnlock() throws LWJGLException {
awt_surface.unlock();
}
}