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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 net.java.games.jogl.impl.x11;
import net.java.games.jogl.*;
import net.java.games.jogl.impl.*;
public class X11PbufferGLContext extends X11GLContext {
private X11PbufferGLDrawable drawable;
public X11PbufferGLContext(X11PbufferGLDrawable drawable,
GLContext shareWith) {
super(drawable, shareWith);
this.drawable = drawable;
}
public void bindPbufferToTexture() {
// FIXME: figure out how to implement this
throw new GLException("Not yet implemented");
}
public void releasePbufferFromTexture() {
// FIXME: figure out how to implement this
throw new GLException("Not yet implemented");
}
protected int makeCurrentImpl() throws GLException {
if (drawable.getDrawable() == 0) {
// pbuffer not instantiated (yet?)
if (DEBUG) {
System.err.println("pbuffer not instantiated");
}
return CONTEXT_NOT_CURRENT;
}
// Note that we have to completely override makeCurrentImpl
// because the underlying makeCurrent call differs for pbuffers
lockAWT();
try {
boolean created = false;
if (context == 0) {
create();
if (DEBUG) {
System.err.println(getThreadName() + ": !!! Created GL context for " + getClass().getName());
}
created = true;
}
if (!GLX.glXMakeContextCurrent(drawable.getDisplay(),
drawable.getDrawable(),
drawable.getDrawable(),
context)) {
throw new GLException("Error making context current");
} else {
mostRecentDisplay = drawable.getDisplay();
if (DEBUG && VERBOSE) {
System.err.println(getThreadName() + ": glXMakeCurrent(display " + toHexString(drawable.getDisplay()) +
", drawable " + toHexString(drawable.getDrawable()) +
", context " + toHexString(context) + ") succeeded");
}
}
if (created) {
resetGLFunctionAvailability();
return CONTEXT_CURRENT_NEW;
}
return CONTEXT_CURRENT;
} finally {
unlockAWT();
}
}
protected void releaseImpl() throws GLException {
lockAWT();
try {
if (!GLX.glXMakeContextCurrent(drawable.getDisplay(), 0, 0, 0)) {
throw new GLException("Error freeing OpenGL context");
}
} finally {
unlockAWT();
}
}
public int getFloatingPointMode() {
return drawable.getFloatingPointMode();
}
protected void create() {
if (DEBUG) {
System.err.println("Creating context for pbuffer " + drawable.getWidth() +
" x " + drawable.getHeight());
}
// Create a gl context for the p-buffer.
X11GLContext other = (X11GLContext) GLContextShareSet.getShareContext(this);
long share = 0;
if (other != null) {
share = other.getContext();
if (share == 0) {
throw new GLException("GLContextShareSet returned an invalid OpenGL context");
}
}
context = GLX.glXCreateNewContext(drawable.getDisplay(), drawable.getFBConfig(), GL.GLX_RGBA_TYPE, share, true);
if (context == 0) {
throw new GLException("pbuffer creation error: glXCreateNewContext() failed");
}
GLContextShareSet.contextCreated(this);
if (DEBUG) {
System.err.println("Created context for pbuffer " + drawable.getWidth() +
" x " + drawable.getHeight());
}
}
}
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