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Diffstat (limited to 'src/classes/com/sun/opengl/impl/Java2D.java')
| -rwxr-xr-x | src/classes/com/sun/opengl/impl/Java2D.java | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/src/classes/com/sun/opengl/impl/Java2D.java b/src/classes/com/sun/opengl/impl/Java2D.java new file mode 100755 index 000000000..7d666e138 --- /dev/null +++ b/src/classes/com/sun/opengl/impl/Java2D.java @@ -0,0 +1,215 @@ +/* + * 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); + } + } +} |