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/*
* Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
* Copyright (c) 2010 JogAmp Community. 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.x11.glx;
import java.nio.IntBuffer;
import javax.media.nativewindow.AbstractGraphicsDevice;
import javax.media.nativewindow.AbstractGraphicsScreen;
import javax.media.nativewindow.NativeSurface;
import javax.media.nativewindow.MutableSurface;
import javax.media.opengl.GLContext;
import javax.media.opengl.GLDrawableFactory;
import javax.media.opengl.GLException;
import com.jogamp.common.nio.Buffers;
public class X11PbufferGLXDrawable extends X11GLXDrawable {
protected X11PbufferGLXDrawable(final GLDrawableFactory factory, final NativeSurface target) {
/* GLCapabilities caps,
GLCapabilitiesChooser chooser,
int width, int height */
super(factory, target, false);
}
@Override
protected void setRealizedImpl() {
if(realized) {
createPbuffer();
} else {
destroyPbuffer();
}
}
@Override
public GLContext createContext(final GLContext shareWith) {
return new X11GLXContext(this, shareWith);
}
protected void destroyPbuffer() {
final NativeSurface ns = getNativeSurface();
if (ns.getSurfaceHandle() != 0) {
GLX.glXDestroyPbuffer(ns.getDisplayHandle(), ns.getSurfaceHandle());
}
((MutableSurface)ns).setSurfaceHandle(0);
if (DEBUG) {
System.err.println(getThreadName()+": Destroyed pbuffer " + this);
}
}
private void createPbuffer() {
final MutableSurface ms = (MutableSurface) getNativeSurface();
final X11GLXGraphicsConfiguration config = (X11GLXGraphicsConfiguration) ms.getGraphicsConfiguration();
final AbstractGraphicsScreen aScreen = config.getScreen();
final AbstractGraphicsDevice aDevice = aScreen.getDevice();
final long display = aDevice.getHandle();
if (DEBUG) {
System.out.println(getThreadName()+": Pbuffer config: " + config);
}
if (display==0) {
throw new GLException("Null display");
}
// Create the p-buffer.
int niattribs = 0;
final IntBuffer iattributes = Buffers.newDirectIntBuffer(7);
iattributes.put(niattribs++, GLX.GLX_PBUFFER_WIDTH);
iattributes.put(niattribs++, ms.getSurfaceWidth());
iattributes.put(niattribs++, GLX.GLX_PBUFFER_HEIGHT);
iattributes.put(niattribs++, ms.getSurfaceHeight());
iattributes.put(niattribs++, GLX.GLX_LARGEST_PBUFFER); // exact
iattributes.put(niattribs++, 0);
iattributes.put(niattribs++, 0);
final long pbuffer = GLX.glXCreatePbuffer(display, config.getFBConfig(), iattributes);
if (pbuffer == 0) {
// FIXME: query X error code for detail error message
throw new GLException("pbuffer creation error: glXCreatePbuffer() failed");
}
// Set up instance variables
ms.setSurfaceHandle(pbuffer);
if (DEBUG) {
System.err.println(getThreadName()+": Created pbuffer " + this);
}
}
}
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