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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 jogamp.opengl.macosx.cgl;
import javax.media.opengl.GLContext;
import javax.media.opengl.GLException;
import jogamp.opengl.GLContextImpl;
public class MacOSXOnscreenCGLContext extends MacOSXCGLContext {
public MacOSXOnscreenCGLContext(MacOSXOnscreenCGLDrawable drawable,
GLContext shareWith) {
super(drawable, shareWith);
}
@Override
protected void makeCurrentImpl(boolean newCreated) throws GLException {
super.makeCurrentImpl(newCreated);
drawableUpdatedNotify();
}
@Override
protected void drawableUpdatedNotify() throws GLException {
final int w = drawable.getWidth();
final int h = drawable.getHeight();
final boolean updateContext = ( 0!=updateHandle && CGL.updateContextNeedsUpdate(updateHandle) ) ||
w != lastWidth || h != lastHeight;
if(updateContext) {
lastWidth = w;
lastHeight = h;
if (contextHandle == 0) {
throw new GLException("Context not created");
}
CGL.updateContext(contextHandle);
}
}
@Override
protected boolean createImpl(GLContextImpl sharedWith) {
boolean res = super.createImpl(sharedWith);
lastWidth = -1;
lastHeight = -1;
if(res && isNSContext()) {
if(0 != updateHandle) {
throw new InternalError("XXX1");
}
updateHandle = CGL.updateContextRegister(contextHandle, drawable.getHandle());
if(0 == updateHandle) {
throw new InternalError("XXX2");
}
}
return res;
}
@Override
protected void destroyImpl() throws GLException {
if ( 0 != updateHandle ) {
CGL.updateContextUnregister(updateHandle);
updateHandle = 0;
}
super.destroyImpl();
}
private long updateHandle = 0;
private int lastWidth, lastHeight;
}
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