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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.egl;
import javax.media.opengl.*;
import javax.media.nativewindow.*;
import javax.media.nativewindow.egl.*;
import com.sun.opengl.impl.*;
import com.sun.nativewindow.impl.NullWindow;
public class EGLOnscreenDrawable extends EGLDrawable {
protected EGLOnscreenDrawable(EGLDrawableFactory factory, NativeWindow component) throws GLException {
super(factory, component);
}
public GLContext createContext(GLContext shareWith) {
return new EGLOnscreenContext(this, shareWith);
}
protected long createSurface(long eglDpy, _EGLConfig eglNativeCfg) {
long surf = EGL.eglCreateWindowSurface(eglDpy, eglNativeCfg, component.getWindowHandle(), null);
if (EGL.EGL_NO_SURFACE==surf) {
throw new GLException("Creation of window surface (eglCreateWindowSurface) failed, component: "+component+", error 0x"+Integer.toHexString(EGL.eglGetError()));
} else if(DEBUG) {
System.err.println("setSurface result: eglSurface 0x"+Long.toHexString(surf));
}
return surf;
}
protected void swapBuffersImpl() {
boolean didLock = false;
try {
if ( !isSurfaceLocked() ) {
// Usually the surface shall be locked within [makeCurrent .. swap .. release]
if (lockSurface() == NativeWindow.LOCK_SURFACE_NOT_READY) {
return;
}
didLock = true;
}
EGL.eglSwapBuffers(eglDisplay, eglSurface);
} finally {
if(didLock) {
unlockSurface();
}
}
}
}
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