Merged JSR-231 branch on to the main JOGL trunk. The main trunk now

contains the evolving JSR-231 Reference Implementation and the JSR-231
branch is permanently closed.


git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@401 232f8b59-042b-4e1e-8c03-345bb8c30851

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);
+    }
+  }
+}