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/*
* Copyright (c) 2003-2005 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;
import java.awt.*;
import java.lang.reflect.*;
import java.security.*;
import javax.media.opengl.*;
/** Defines integration with the Java2D OpenGL pipeline. This
integration is only supported in 1.6 and is highly experimental. */
public class Java2D {
private static boolean DEBUG = Debug.debug("Java2D");
private static boolean VERBOSE = Debug.verbose();
private static boolean isOGLPipelineActive;
private static Method invokeWithOGLContextCurrentMethod;
private static Method isQueueFlusherThreadMethod;
private static Method getOGLViewportMethod;
private static Method getOGLScissorBoxMethod;
private static Method getOGLSurfaceIdentifierMethod;
static {
AccessController.doPrivileged(new PrivilegedAction() {
public Object run() {
if (DEBUG && VERBOSE) {
System.err.println("Checking for Java2D/OpenGL support");
}
// Figure out whether the default graphics configuration is an
// OpenGL graphics configuration
GraphicsConfiguration cfg =
GraphicsEnvironment.getLocalGraphicsEnvironment().
getDefaultScreenDevice().
getDefaultConfiguration();
String name = cfg.getClass().getName();
if (DEBUG && VERBOSE) {
System.err.println("Java2D support: default GraphicsConfiguration = " + name);
}
isOGLPipelineActive = (name.startsWith("sun.java2d.opengl"));
if (isOGLPipelineActive) {
try {
// Try to get methods we need to integrate
Class utils = Class.forName("sun.java2d.opengl.OGLUtilities");
invokeWithOGLContextCurrentMethod = utils.getDeclaredMethod("invokeWithOGLContextCurrent",
new Class[] {
Graphics.class,
Runnable.class
});
invokeWithOGLContextCurrentMethod.setAccessible(true);
isQueueFlusherThreadMethod = utils.getDeclaredMethod("isQueueFlusherThread",
new Class[] {});
isQueueFlusherThreadMethod.setAccessible(true);
getOGLViewportMethod = utils.getDeclaredMethod("getOGLViewport",
new Class[] {
Graphics.class,
Integer.TYPE,
Integer.TYPE
});
getOGLViewportMethod.setAccessible(true);
getOGLScissorBoxMethod = utils.getDeclaredMethod("getOGLScissorBox",
new Class[] {
Graphics.class
});
getOGLScissorBoxMethod.setAccessible(true);
getOGLSurfaceIdentifierMethod = utils.getDeclaredMethod("getOGLSurfaceIdentifier",
new Class[] {
Graphics.class
});
getOGLSurfaceIdentifierMethod.setAccessible(true);
} catch (Exception e) {
if (DEBUG && VERBOSE) {
e.printStackTrace();
}
isOGLPipelineActive = false;
}
}
if (DEBUG) {
System.err.println("JOGL/Java2D integration " + (isOGLPipelineActive ? "enabled" : "disabled"));
}
return null;
}
});
}
public static boolean isOGLPipelineActive() {
return isOGLPipelineActive;
}
public static boolean isQueueFlusherThread() {
if (!isOGLPipelineActive()) {
throw new GLException("Java2D OpenGL pipeline not active (or necessary support not present)");
}
try {
return ((Boolean) isQueueFlusherThreadMethod.invoke(null, new Object[] {})).booleanValue();
} catch (InvocationTargetException e) {
throw new GLException(e.getTargetException());
} catch (Exception e) {
throw (InternalError) new InternalError().initCause(e);
}
}
/** Makes current the OpenGL context associated with the passed
Graphics object and runs the given Runnable on the Queue
Flushing Thread in one atomic action. */
public static void invokeWithOGLContextCurrent(Graphics g, Runnable r) throws GLException {
if (!isOGLPipelineActive()) {
throw new GLException("Java2D OpenGL pipeline not active (or necessary support not present)");
}
try {
GLDrawableFactoryImpl.getFactoryImpl().lockAWTForJava2D();
try {
invokeWithOGLContextCurrentMethod.invoke(null, new Object[] {g, r});
} finally {
GLDrawableFactoryImpl.getFactoryImpl().unlockAWTForJava2D();
}
} catch (InvocationTargetException e) {
throw new GLException(e.getTargetException());
} catch (Exception e) {
throw (InternalError) new InternalError().initCause(e);
}
}
public static Rectangle getOGLViewport(Graphics g,
int componentWidth,
int componentHeight) {
if (!isOGLPipelineActive()) {
throw new GLException("Java2D OpenGL pipeline not active (or necessary support not present)");
}
try {
return (Rectangle) getOGLViewportMethod.invoke(null, new Object[] {g,
new Integer(componentWidth),
new Integer(componentHeight)});
} catch (InvocationTargetException e) {
throw new GLException(e.getTargetException());
} catch (Exception e) {
throw (InternalError) new InternalError().initCause(e);
}
}
public static Rectangle getOGLScissorBox(Graphics g) {
if (!isOGLPipelineActive()) {
throw new GLException("Java2D OpenGL pipeline not active (or necessary support not present)");
}
try {
return (Rectangle) getOGLScissorBoxMethod.invoke(null, new Object[] {g});
} catch (InvocationTargetException e) {
throw new GLException(e.getTargetException());
} catch (Exception e) {
throw (InternalError) new InternalError().initCause(e);
}
}
public static Object getOGLSurfaceIdentifier(Graphics g) {
if (!isOGLPipelineActive()) {
throw new GLException("Java2D OpenGL pipeline not active (or necessary support not present)");
}
try {
return getOGLSurfaceIdentifierMethod.invoke(null, new Object[] {g});
} catch (InvocationTargetException e) {
throw new GLException(e.getTargetException());
} catch (Exception e) {
throw (InternalError) new InternalError().initCause(e);
}
}
}
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