GLAutoDrawable: Refine API change of commit c002e04f848116922a1ed7bd96ead54961649bbd

As suggested by Julien Gouesse, align 'enqueue(..)' method w/ 'invoke(..)':

-  public void enqueue(GLRunnable glRunnable);

+  public boolean invoke(boolean wait, List<GLRunnable> glRunnables);

7 files changed, 90 insertions, 51 deletions

diff --git a/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java b/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java
index ea794cc78..755a7c392 100644
--- a/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java
+++ b/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java
@@ -27,6 +27,8 @@
  */
 package com.jogamp.opengl.swt;
 
+import java.util.List;
+
 import javax.media.nativewindow.AbstractGraphicsDevice;
 import javax.media.nativewindow.NativeSurface;
 import javax.media.nativewindow.ProxySurface;
@@ -545,15 +547,15 @@ public class GLCanvas extends Canvas implements GLAutoDrawable {
    }
 
    @Override
-   public boolean invoke(final boolean wait, final GLRunnable run) {
-      return helper.invoke(this, wait, run);
+   public boolean invoke(final boolean wait, final GLRunnable runnable) {
+      return helper.invoke(this, wait, runnable);
    }
    
    @Override
-   public void enqueue(GLRunnable glRunnable) {
-      helper.enqueue(glRunnable);
+   public boolean invoke(final boolean wait, final List<GLRunnable> runnables) {
+      return helper.invoke(this, wait, runnables);
    }
-
+   
    @Override
    public void setAnimator(final GLAnimatorControl arg0) throws GLException {
       helper.setAnimator(arg0);
diff --git a/src/jogl/classes/com/jogamp/opengl/util/GLDrawableUtil.java b/src/jogl/classes/com/jogamp/opengl/util/GLDrawableUtil.java
index 08eaf0494..cc81e4820 100644
--- a/src/jogl/classes/com/jogamp/opengl/util/GLDrawableUtil.java
+++ b/src/jogl/classes/com/jogamp/opengl/util/GLDrawableUtil.java
@@ -27,6 +27,9 @@
  */
 package com.jogamp.opengl.util;
 
+import java.util.ArrayList;
+import java.util.List;
+
 import javax.media.opengl.GLAnimatorControl;
 import javax.media.opengl.GLAutoDrawable;
 import javax.media.opengl.GLContext;
@@ -80,7 +83,7 @@ public class GLDrawableUtil {
     dest.addGLEventListener(listener);
     if(preserveInitState && initialized) {
         dest.setGLEventListenerInitState(listener, true);
-        dest.enqueue(new ReshapeGLEventListener(listener));
+        dest.invoke(false, new ReshapeGLEventListener(listener));
     } // else .. !init state is default
   }
   
@@ -118,6 +121,8 @@ public class GLDrawableUtil {
    * @param b
    */
   public static final void swapGLContextAndAllGLEventListener(GLAutoDrawable a, GLAutoDrawable b) {
+    final List<GLRunnable> aGLCmds = new ArrayList<GLRunnable>();
+    final List<GLRunnable> bGLCmds = new ArrayList<GLRunnable>();
     final GLAnimatorControl aAnim = a.getAnimator();
     final GLAnimatorControl bAnim = b.getAnimator();    
     final boolean aIsPaused = isAnimatorAnimatingOnOtherThread(aAnim) && aAnim.pause();
@@ -146,32 +151,30 @@ public class GLDrawableUtil {
     //
     // trigger glFinish to sync GL ctx
     //
-    a.enqueue(glFinish);
-    b.enqueue(glFinish);
-    a.display();
-    b.display();
+    a.invoke(true, glFinish);
+    b.invoke(true, glFinish);
     
     //
     // switch context and
     // trigger GL-Viewport reset and reshape of all initialized GLEventListeners
     //
     b.setContext( a.setContext( b.getContext() ) );
-    a.enqueue(setViewport);
-    b.enqueue(setViewport);
+    aGLCmds.add(setViewport);
+    bGLCmds.add(setViewport);
     for(int i=0; i<aSz; i++) {
         if( aInit[i] ) {
-            b.enqueue(new ReshapeGLEventListener(aGLE[i]));
+            bGLCmds.add(new ReshapeGLEventListener(aGLE[i]));
         }
     }    
     for(int i=0; i<bSz; i++) {
         if( bInit[i] ) {
-            a.enqueue(new ReshapeGLEventListener(bGLE[i]));
+            aGLCmds.add(new ReshapeGLEventListener(bGLE[i]));
         }
     }
-    a.enqueue(glFinish);
-    b.enqueue(glFinish);
-    a.display();
-    b.display();
+    aGLCmds.add(glFinish);
+    bGLCmds.add(glFinish);
+    a.invoke(true, aGLCmds);
+    b.invoke(true, bGLCmds);
     
     // add all cached GLEventListener to their destination and fix their init-state
     for(int i=0; i<bSz; i++) {
@@ -248,10 +251,8 @@ public class GLDrawableUtil {
     }
     dest.setContext( src.setContext( dest.getContext() ) );
     
-    src.enqueue(setViewport);
-    dest.enqueue(setViewport);
-    src.display();
-    dest.display();
+    src.invoke(true, setViewport);
+    dest.invoke(true, setViewport);
     
     if(aIsPaused) { aAnim.resume(); }
     if(bIsPaused) { bAnim.resume(); }
diff --git a/src/jogl/classes/javax/media/opengl/GLAutoDrawable.java b/src/jogl/classes/javax/media/opengl/GLAutoDrawable.java
index fc569b13d..0f487f463 100644
--- a/src/jogl/classes/javax/media/opengl/GLAutoDrawable.java
+++ b/src/jogl/classes/javax/media/opengl/GLAutoDrawable.java
@@ -40,6 +40,8 @@
 
 package javax.media.opengl;
 
+import java.util.List;
+
 import jogamp.opengl.Debug;
 
 /** A higher-level abstraction than {@link GLDrawable} which supplies
@@ -379,30 +381,16 @@ public interface GLAutoDrawable extends GLDrawable {
    * @see #enqueue(GLRunnable)
    */
   public boolean invoke(boolean wait, GLRunnable glRunnable);
-
+  
   /**
-   * Enqueues a one-shot {@link GLRunnable},
-   * which will be executed within the next {@link #display()} call
-   * after all registered {@link GLEventListener}s
-   * {@link GLEventListener#display(GLAutoDrawable) display(GLAutoDrawable)}
-   * methods has been called.
-   * <p>
-   * Unlike the {@link #invoke(boolean, GLRunnable)}, this method only enqueues the {@link GLRunnable}
-   * w/o taking care of it's execution. Hence either a performing {@link GLAnimatorControl animator}
-   * or explicit user call shall trigger {@link #display()} to ensure it's execution. 
-   * </p>
-   * <p>
-   * Method return immediately w/o waiting or blocking
-   * </p>
-   *
-   * @param glRunnable the {@link GLRunnable} to execute within the next {@link #display()} call
-   * 
-   * @see #invoke(boolean, GLRunnable)
-   * @see #display()
-   * @see GLRunnable
+   * Extends {@link #invoke(boolean, GLRunnable)} functionality 
+   * allowing to inject a list of {@link GLRunnable}s.
+   * @param wait if <code>true</code> block until execution of the last <code>glRunnable</code> is finished, otherwise return immediately w/o waiting
+   * @param glRunnables the {@link GLRunnable}s to execute within {@link #display()}
+   * @return <code>true</code> if the {@link GLRunnable}s has been processed or queued, otherwise <code>false</code>.
    */
-  public void enqueue(GLRunnable glRunnable);
-  
+  public boolean invoke(boolean wait, List<GLRunnable> glRunnables);
+
   /** Destroys all resources associated with this GLAutoDrawable,
       inclusive the GLContext.
       If a window is attached to it's implementation, it shall be closed.
diff --git a/src/jogl/classes/javax/media/opengl/awt/GLCanvas.java b/src/jogl/classes/javax/media/opengl/awt/GLCanvas.java
index 5b5f800a4..1d8666e6a 100644
--- a/src/jogl/classes/javax/media/opengl/awt/GLCanvas.java
+++ b/src/jogl/classes/javax/media/opengl/awt/GLCanvas.java
@@ -57,6 +57,7 @@ import java.awt.geom.Rectangle2D;
 import java.awt.EventQueue;
 import java.lang.reflect.InvocationTargetException;
 import java.util.ArrayList;
+import java.util.List;
 
 import javax.media.nativewindow.AbstractGraphicsConfiguration;
 import javax.media.nativewindow.OffscreenLayerOption;
@@ -746,8 +747,8 @@ public class GLCanvas extends Canvas implements AWTGLAutoDrawable, WindowClosing
   }
 
   @Override
-  public void enqueue(GLRunnable glRunnable) {
-    helper.enqueue(glRunnable);
+  public boolean invoke(final boolean wait, final List<GLRunnable> glRunnables) {
+    return helper.invoke(this, wait, glRunnables);
   }
   
   @Override
diff --git a/src/jogl/classes/javax/media/opengl/awt/GLJPanel.java b/src/jogl/classes/javax/media/opengl/awt/GLJPanel.java
index 08d70211b..58b1baa65 100644
--- a/src/jogl/classes/javax/media/opengl/awt/GLJPanel.java
+++ b/src/jogl/classes/javax/media/opengl/awt/GLJPanel.java
@@ -54,6 +54,7 @@ import java.awt.image.DataBufferInt;
 import java.beans.Beans;
 import java.nio.ByteBuffer;
 import java.nio.IntBuffer;
+import java.util.List;
 
 import javax.media.nativewindow.AbstractGraphicsDevice;
 import javax.media.nativewindow.NativeSurface;
@@ -483,8 +484,8 @@ public class GLJPanel extends JPanel implements AWTGLAutoDrawable, WindowClosing
   }
 
   @Override
-  public void enqueue(GLRunnable glRunnable) {
-    helper.enqueue(glRunnable);
+  public boolean invoke(final boolean wait, final List<GLRunnable> glRunnables) {
+    return helper.invoke(this, wait, glRunnables);
   }
   
   @Override
diff --git a/src/jogl/classes/jogamp/opengl/GLAutoDrawableBase.java b/src/jogl/classes/jogamp/opengl/GLAutoDrawableBase.java
index 09a754279..7bcd37ecd 100644
--- a/src/jogl/classes/jogamp/opengl/GLAutoDrawableBase.java
+++ b/src/jogl/classes/jogamp/opengl/GLAutoDrawableBase.java
@@ -29,6 +29,7 @@
 package jogamp.opengl;
 
 import java.io.PrintStream;
+import java.util.List;
 
 import javax.media.nativewindow.AbstractGraphicsDevice;
 import javax.media.nativewindow.NativeSurface;
@@ -412,8 +413,8 @@ public abstract class GLAutoDrawableBase implements GLAutoDrawable, FPSCounter {
     }
 
     @Override
-    public final void enqueue(GLRunnable glRunnable) {
-        helper.enqueue(glRunnable);
+    public boolean invoke(final boolean wait, final List<GLRunnable> glRunnables) {
+        return helper.invoke(this, wait, glRunnables);
     }
     
     @Override
diff --git a/src/jogl/classes/jogamp/opengl/GLDrawableHelper.java b/src/jogl/classes/jogamp/opengl/GLDrawableHelper.java
index d891ae810..be63c9278 100644
--- a/src/jogl/classes/jogamp/opengl/GLDrawableHelper.java
+++ b/src/jogl/classes/jogamp/opengl/GLDrawableHelper.java
@@ -41,6 +41,7 @@
 package jogamp.opengl;
 
 import java.util.ArrayList;
+import java.util.List;
 import java.util.HashSet;
 
 import javax.media.nativewindow.NativeSurface;
@@ -691,9 +692,9 @@ public class GLDrawableHelper {
         return false;
     }
     
-    Throwable throwable = null;
     GLRunnableTask rTask = null;
     Object rTaskLock = new Object();
+    Throwable throwable = null;
     synchronized(rTaskLock) {
         final boolean deferred;
         synchronized(glRunnablesLock) {
@@ -724,6 +725,50 @@ public class GLDrawableHelper {
     }
     return true;
   }
+  
+  public final boolean invoke(GLAutoDrawable drawable, boolean wait, List<GLRunnable> newGLRunnables) {
+    if( null == newGLRunnables || newGLRunnables.size() == 0 || null == drawable ||
+        wait && ( !drawable.isRealized() || null==drawable.getContext() ) ) {
+        return false;
+    }
+    
+    final int count = newGLRunnables.size();
+    GLRunnableTask rTask = null;
+    Object rTaskLock = new Object();
+    Throwable throwable = null;
+    synchronized(rTaskLock) {
+        final boolean deferred;
+        synchronized(glRunnablesLock) {
+            deferred = isAnimatorAnimatingOnOtherThread();
+            if(!deferred) {
+                wait = false; // don't wait if exec immediatly
+            }
+            for(int i=0; i<count-1; i++) {
+                glRunnables.add( new GLRunnableTask(newGLRunnables.get(i), null, false) );
+            }
+            rTask = new GLRunnableTask(newGLRunnables.get(count-1),
+                                       wait ? rTaskLock : null,
+                                       wait  /* catch Exceptions if waiting for result */);
+            glRunnables.add(rTask);
+        }
+        if( !deferred ) {
+            drawable.display();
+        } else if( wait ) {
+            try {
+                rTaskLock.wait(); // free lock, allow execution of rTask
+            } catch (InterruptedException ie) {
+                throwable = ie;
+            }
+            if(null==throwable) {
+                throwable = rTask.getThrowable();
+            }
+            if(null!=throwable) {
+                throw new RuntimeException(throwable);
+            }
+        }
+    }
+    return true;      
+  }
 
   public final void enqueue(GLRunnable glRunnable) {
     if( null == glRunnable) {