Seamless Integration of an FBObject based GLFBODrawable as GLOffscreenAutoDrawable.FBO and as an OffscreenLayerSurface's drawable (OSX) - Fix Bugs 569 and 599

Summary:
=========
The new FBObject based GLFBODrawable implementation allows the seamless utilization of
FBO offscreen rendering in single buffer, double buffer and MSAA mode.

The GLFBODrawable uses a parent drawable based on a
dummy surface to allow a GLOffscreenAutoDrawable.FBO creation
or a mutable surface supporting an existing offscreen layer surface (OSX CALayer).

Offscreen GLDrawable's and GLOffscreenAutoDrawable's can be selected via the
GLCapabilities. If simply !onscreen is selected in the caps instance w/o enabling FBO, PBuffer or Bitmap,
the factory will automatically choose regarding availability:
   FBO > PBuffer > Bitmap

Double buffering is supported in MSAA more (intrinsic) and explicit in non MSAA.
It is preferred when delivering resources (texture id's or framebuffer names)
to a shared GLContext.
This is demonstrated in (emulates our OSX CALayer implementation):
  TestFBOOffThreadSharedContextMix2DemosES2NEWT,
  TestFBOOnThreadSharedContext1DemoES2NEWT
and with the OSX JAWT OffscreenLayerSurface itself. FBO is the preferred choice.

+++

Offscreen drawables can be resized while maintaining a bound GLContext (e.g. w/ GLAutoDrawable).
Previously both, drawable and context, needed to be destroyed and recreated at offscreen resize.
Common implementation in GLDrawableHelper is used in the implementations
(NEWT's GLWindow, AWT GLCanvas, SWT GLCanvas).

+++

Tested:
=======

Manually run all unit tests on:
  - Linux x86_64 NVidia/AMD/Mesa3d(ES)
  - OSX x86_64 NVidia
  - Windows x86_64 NVidia
  - Android arm Mali-400/Tegra-2

No regressions.

Disclaimer:
===========
This feature is committed almost in one patch.

Both previous commits were introducing / fixing the capabilities behavior:
 90d45928186f2be99999461cfe45f76a783cc961
 9036376b7806a5fc61590bf49404eb71830de92f

I have to appologize for the huge size and impact (files and platforms) of this commit
however, I could not find a better way to inject this feature in one sane piece.

NativeWindow Details:
=====================

Complete decoupling of platform impl. detail of surfaces
implementing ProxySurface. Used to generalize dummy surfaces and EGL surfaces
on top of a native platform surface.
  - ProxySurface.UpstreamSurfaceHook -> UpstreamSurfaceHook
  - abstract class ProxySurface -> interface ProxySurface + ProxySurfaceImpl
  - Misc. implementations

JOGL Details:
=====================

FBOObject: API Change / Simplification & Usability
  - Removed reference counter to remove complexity, allow user to choose.
  - Add 'dispose' flag for detachColorbuffer(..), allowing to keep attachment alive
  - Fix equals operation of Attachment
  - Check pre-exising GL errors
  - Interface Colobuffer gets lifecycle methods
  - Add static factory methods to create Attachments w/o FBObject instance
  - Reset:
    - Clip min size to 1
    - Keep alive samplingSink, i.e. don't issue resetMSAATexture2DSink(..).
      It gets called at syncFramebuffer()/use(..) later on before actual usage.
      This allows the consumer to utilize the GL_FRONT buffer until (e.g.) swap.
  - misc bugfixes

GLOffscreenAutoDrawable: API Change
  - Reloc and interfacing
  - class com.jogamp.opengl.OffscreenAutoDrawable -> javax.media.opengl.*
    interfaces GLOffscreenAutoDrawable extends GLAutoDrawable
               GLOffscreenAutoDrawable.FBO extends GLOffscreenAutoDrawable, GLFBODrawable
  - Added general implementation and FBO specialization
  - Replacing GLPBuffer (deprecated) .. usable for any offscreen GLDrawable via factory

GLAutoDrawable:
  - Add 'GLDrawable getDelegatedDrawable()'
  - Refine documentation of setContext(..), remove disclaimer and fixme tags

GLDrawableFactory:
  - Refine API doc and it's selection mechanism for offscreen.
  - Add createOffscreenDrawable(..)
  - Add createOffscreenAutoDrawable(..)
  - Add canCreateFBO(..)
  - Mark createGLPbuffer(..) deprectated

Mark GLPBuffer deprecated

New: GLFBODrawable extends GLDrawable

GLCanvas (AWT and SWT): Add offscreen resize support w/o GLContext recreation

GLAutoDrawableBase .. GLWindow:
  - Add offscreen resize support w/o GLContext recreation
  - Remove double swapBuffer call
  -

GLBase/GLContext:
  - Add:
    - boolean hasBasicFBOSupport()
    - boolean hasFullFBOSupport()
    - int getMaxRenderbufferSamples()
    - boolean isTextureFormatBGRA8888Available()

GLContext: Fix version detection and hasGLSL()
  - Version detection in setGLFunctionAvailability(..)
    - Query GL_VERSION ASAP and parse it and compare w/ given major/minor
    - Use parsed version if valid and lower than given _or_ given is invalid.
    - Use validated version for caching (procaddr, ..), version number, etc.

  - Fix hasGLSL()
    Since 'isGL2ES2()' is true if 'isGL2()'
    and the latter simply alows GL 1.*, we confine the result to a GL >= 2.0
    on desktops. FIXME: May consider GL 1.5 w/ extensions.
    -  return isGL2ES2();
    +      return isGLES2() ||
    +             isGL3() ||
    +             isGL2() && ctxMajorVersion>1 ;

GLDrawableImpl:
  - Add 'associateContext(GLContext, boolean)' allowing impl.
    to have a (weak) reference list of bound context.
    This is was pulled up from the OSX specific drawable impl.
  - swapBuffersImpl() -> swapBuffersImpl(boolean doubleBuffered)
    and call it regardless of single buffering.
    This is required to propagate this event to impl. properly,
    i.e. FBODrawable requires a swap notification.
  - Clarify 'contextMadeCurrent(..)' protocol

GLDrawableHelper:
  - Add resize and recreate offscreen drawable util method
  - Simplify required init/reshape calls for GLEventListener
  -

GLGraphicsConfigurationUtil:
  - fixWinAttribBitsAndHwAccel: Reflect sharede context hw-accel bits
  - OSX has no offscreen bitmap, use pbuffer
  - use proper offscreen auto selection if offscreen and no modes are set

EGL Context/Drawable/DrawableFactory: Abstract native platform code out of base classes
  - Use EGLWrappedSurface w/ UpstreamSurfaceHook to handle upstream (X11, WGL, ..)
    lifecycle - in case the EGL resource is hooked up on it.

Invisible dummy surfaces: All platforms
  - size is now reduced to 64x64 and decoupled of actual generic mutable size
  - fix device  lifecycle, no more leaks

+++

OSX
====

Enable support for GLFBODrawableImpl in offscreen CALayer mode
  - NSOpenGLImpl: hooks to calayer native code
  - calayer code:
    - allows pbuffer and texures (FBO)
    - decouple size and draw calls avoiding flickering
    - enable auto resize of calayer tree

MacOSXCGLContext:
  - NSOpenGLImpl:
  - Fix false pbuffer 'usage', validate the pointer
  - If !pbuffer, copy other window mode bits of caps
  -

MacOSXCGLGraphicsConfiguration:
  - Only assume pbuffer if !onscreen
  - Remove reference of native pixelformat pointer

Native code:
  - use 'respondsToSelector:' query before calling 'new' methods
    avoiding an error message where unsuported (prev. OSX versions)
  - if monitor refresh-rate is queried 0, set to default 60hz
  - add missing NSAutoreleasePool decoration

+++

Android / NEWT:
===============

Issue setVisible(..) w/o wait, i.e. queue on EDT,
@Android surfaceChanged() callback. Otherwise we could deadlock:
   setVisible(..) -> EDT -> setVisibleImpl(..) -> 'GL-display'.
the latter may may cause havoc while Android-EDT is blocked [until it's return].

59 files changed, 3353 insertions, 956 deletions

diff --git a/src/test/com/jogamp/opengl/test/android/MovieCubeActivityLauncher0.java b/src/test/com/jogamp/opengl/test/android/MovieCubeActivityLauncher0.java
index 4f24fc9b8..c4b74c56f 100644
--- a/src/test/com/jogamp/opengl/test/android/MovieCubeActivityLauncher0.java
+++ b/src/test/com/jogamp/opengl/test/android/MovieCubeActivityLauncher0.java
@@ -50,6 +50,8 @@ public class MovieCubeActivityLauncher0 extends LauncherUtil.BaseActivityLaunche
        // props.setProperty("jogamp.debug.NativeLibrary", "true");
        // props.setProperty("jogamp.debug.NativeLibrary.Lookup", "true");
        // props.setProperty("jogamp.debug.IOUtil", "true");       
+       // props.setProperty("jogamp.debug.Lock", "true");
+       // props.setProperty("jogamp.debug.Lock.TraceLock", "true");
        // props.setProperty("nativewindow.debug", "all");
        props.setProperty("nativewindow.debug.GraphicsConfiguration", "true");
        // props.setProperty("jogl.debug", "all");
diff --git a/src/test/com/jogamp/opengl/test/android/NEWTGraphUI1pActivityLauncher.java b/src/test/com/jogamp/opengl/test/android/NEWTGraphUI1pActivityLauncher.java
index c75c229a8..576305835 100644
--- a/src/test/com/jogamp/opengl/test/android/NEWTGraphUI1pActivityLauncher.java
+++ b/src/test/com/jogamp/opengl/test/android/NEWTGraphUI1pActivityLauncher.java
@@ -14,23 +14,23 @@ public class NEWTGraphUI1pActivityLauncher extends LauncherUtil.BaseActivityLaun
        final OrderedProperties props = getProperties();       
        // props.setProperty("jogamp.debug.JNILibLoader", "true");
        // props.setProperty("jogamp.debug.NativeLibrary", "true");
-       // properties.setProperty("jogamp.debug.NativeLibrary.Lookup", "true");
-       // properties.setProperty("jogamp.debug.IOUtil", "true");       
-       // properties.setProperty("nativewindow.debug", "all");
+       // props.setProperty("jogamp.debug.NativeLibrary.Lookup", "true");
+       // props.setProperty("jogamp.debug.IOUtil", "true");       
+       // props.setProperty("nativewindow.debug", "all");
        props.setProperty("nativewindow.debug.GraphicsConfiguration", "true");
-       // properties.setProperty("jogl.debug", "all");
-       // properties.setProperty("jogl.debug.GLProfile", "true");
+       // props.setProperty("jogl.debug", "all");
+       // props.setProperty("jogl.debug.GLProfile", "true");
        props.setProperty("jogl.debug.GLDrawable", "true");
        props.setProperty("jogl.debug.GLContext", "true");
        props.setProperty("jogl.debug.GLSLCode", "true");
        props.setProperty("jogl.debug.CapabilitiesChooser", "true");       
-       // properties.setProperty("jogl.debug.GLSLState", "true");
-       // properties.setProperty("jogl.debug.DebugGL", "true");
-       // properties.setProperty("jogl.debug.TraceGL", "true");
-       // properties.setProperty("newt.debug", "all");
+       // props.setProperty("jogl.debug.GLSLState", "true");
+       // props.setProperty("jogl.debug.DebugGL", "true");
+       // props.setProperty("jogl.debug.TraceGL", "true");
+       // props.setProperty("newt.debug", "all");
        props.setProperty("newt.debug.Window", "true");
-       // properties.setProperty("newt.debug.Window.MouseEvent", "true");
-       // properties.setProperty("newt.debug.Window.KeyEvent", "true");
+       // props.setProperty("newt.debug.Window.MouseEvent", "true");
+       // props.setProperty("newt.debug.Window.KeyEvent", "true");
     }
     
     @Override
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestFBOAutoDrawableDeadlockAWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestFBOAutoDrawableDeadlockAWT.java
new file mode 100644
index 000000000..eab1a37e3
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestFBOAutoDrawableDeadlockAWT.java
@@ -0,0 +1,128 @@
+/**
+ * Copyright 2011 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ * 
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ * 
+ *    2. Redistributions 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.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+package com.jogamp.opengl.test.junit.jogl.acore;
+
+import java.awt.EventQueue;
+import java.lang.reflect.InvocationTargetException;
+
+import javax.media.opengl.DefaultGLCapabilitiesChooser;
+import javax.media.opengl.GLCapabilities;
+import javax.media.opengl.GLDrawableFactory;
+import javax.media.opengl.GLOffscreenAutoDrawable;
+import javax.media.opengl.GLProfile;
+
+import jogamp.nativewindow.jawt.JAWTUtil;
+
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import com.jogamp.common.util.RunnableTask;
+import com.jogamp.opengl.test.junit.util.UITestCase;
+
+public class TestFBOAutoDrawableDeadlockAWT extends UITestCase {
+  static GLProfile glp;
+  static int width, height;
+
+  @BeforeClass
+  public static void initClass() {
+    glp = GLProfile.getGL2ES2();
+    Assert.assertNotNull( glp );
+    width = 512;
+    height = 512;
+  }
+
+  protected void runTestGL( GLCapabilities caps ) throws InterruptedException, InvocationTargetException {
+    final GLOffscreenAutoDrawable fbod = GLDrawableFactory.getFactory(caps.getGLProfile()).createOffscreenAutoDrawable(        
+        null,
+        caps, new DefaultGLCapabilitiesChooser(),
+        512, 512,
+        null
+    );
+
+    final boolean[] done = {false};
+    final Runnable pbufferCreationAction = new Runnable() {
+      public void run() {
+        System.err.println("AA.1");
+        fbod.display();
+        done[ 0 ] = true;
+        System.err.println("AA.X");
+      }
+    };
+    
+    EventQueue.invokeAndWait(new Runnable() {
+        public void run() {
+            Assert.assertTrue(EventQueue.isDispatchThread());
+            JAWTUtil.lockToolkit();
+            try {
+                final RunnableTask rTask = new RunnableTask(pbufferCreationAction, new Object(), false);                    
+                System.err.println("BB.0: "+rTask.getSyncObject());
+                synchronized (rTask.getSyncObject()) {
+                    System.err.println("BB.1: "+rTask.getSyncObject());
+                    new Thread(rTask, Thread.currentThread().getName()+"-Pbuffer_Creation").start();                
+                    try {
+                        System.err.println("BB.2");
+                        rTask.getSyncObject().wait();
+                        System.err.println("BB.3");
+                    } catch (InterruptedException e) {
+                        throw new RuntimeException(e);
+                    }                    
+                    System.err.println("BB.X");
+                }
+            } finally {
+                JAWTUtil.unlockToolkit();
+            }
+        }        
+    });
+    Assert.assertTrue(done[0]);
+    fbod.destroy();
+  }
+
+  @Test(timeout = 2000) // 2s timeout
+  public void testDeadlock() throws InterruptedException, InvocationTargetException {
+    GLCapabilities caps = new GLCapabilities( glp );
+    runTestGL( caps );
+  }
+
+  static long duration = 500; // ms
+
+  public static void main( String args[] ) {
+    for ( int i = 0; i < args.length; i++ ) {
+      if ( args[ i ].equals( "-time" ) ) {
+        i++;
+        try {
+          duration = Integer.parseInt( args[ i ] );
+        }
+        catch ( Exception ex ) {
+          ex.printStackTrace();
+        }
+      }
+    }
+    org.junit.runner.JUnitCore.main( TestFBOAutoDrawableDeadlockAWT.class.getName() );
+  }
+} 
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestFBOAutoDrawableFactoryNEWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestFBOAutoDrawableFactoryNEWT.java
new file mode 100644
index 000000000..2dc547f39
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestFBOAutoDrawableFactoryNEWT.java
@@ -0,0 +1,375 @@
+/**
+ * Copyright 2012 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ * 
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ * 
+ *    2. Redistributions 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.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+ 
+package com.jogamp.opengl.test.junit.jogl.acore;
+
+import java.io.IOException;
+
+import javax.media.opengl.GL;
+import javax.media.opengl.GLCapabilities;
+import javax.media.opengl.GLCapabilitiesImmutable;
+import javax.media.opengl.GLContext;
+import javax.media.opengl.GLDrawableFactory;
+import javax.media.opengl.GLEventListener;
+import javax.media.opengl.GLOffscreenAutoDrawable;
+import javax.media.opengl.GLProfile;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import com.jogamp.opengl.FBObject;
+import com.jogamp.opengl.test.junit.jogl.demos.es2.FBOMix2DemosES2;
+import com.jogamp.opengl.test.junit.jogl.demos.es2.GearsES2;
+import com.jogamp.opengl.test.junit.jogl.demos.es2.MultisampleDemoES2;
+import com.jogamp.opengl.test.junit.util.AWTRobotUtil;
+import com.jogamp.opengl.test.junit.util.UITestCase;
+
+/**
+ * Toolkit agnostic {@link GLOffscreenAutoDrawable.FBO} tests using the 
+ * {@link GLDrawableFactory#createOffscreenAutoDrawable(javax.media.nativewindow.AbstractGraphicsDevice, GLCapabilitiesImmutable, javax.media.opengl.GLCapabilitiesChooser, int, int, GLContext) factory model}. 
+ * <p>
+ * The created {@link GLOffscreenAutoDrawable.FBO} is being used to run the {@link GLEventListener}.  
+ * </p>
+ * <p>
+ * Extensive FBO reconfiguration (size and sample buffer count) and validation are performed.
+ * </p> 
+ */
+public class TestFBOAutoDrawableFactoryNEWT extends UITestCase {
+    
+    static final int widthStep = 800/4;
+    static final int heightStep = 600/4;
+    volatile int szStep = 2;
+    
+    interface MyGLEventListener extends GLEventListener {
+        void setMakeSnapshot();
+    }
+    
+    @Test
+    public void testGL2ES2_Demo1_SingleBuffer_Normal() throws InterruptedException {    
+        final GLProfile glp = GLProfile.getGL2ES2();
+        final GLCapabilities caps = new GLCapabilities(glp);
+        caps.setDoubleBuffered(false);
+        testGLFBODrawableImpl(caps, new GearsES2(0));
+    }
+    
+    @Test
+    public void testGL2ES2_Demo1_DoubleBuffer_Normal() throws InterruptedException {    
+        final GLProfile glp = GLProfile.getGL2ES2();
+        final GLCapabilities caps = new GLCapabilities(glp);
+        caps.setDoubleBuffered(true); // default
+        testGLFBODrawableImpl(caps, new GearsES2(0));
+    }
+    
+    @Test
+    public void testGL2ES2_Demo2MSAA4() throws InterruptedException {    
+        final GLProfile glp = GLProfile.getGL2ES2();
+        final GLCapabilities caps = new GLCapabilities(glp);
+        caps.setSampleBuffers(true);
+        caps.setNumSamples(4);
+        testGLFBODrawableImpl(caps, new MultisampleDemoES2(true));
+    }
+    
+    @Test
+    public void testGL2ES2_FBODemoMSAA4() throws InterruptedException {    
+        final GLProfile glp = GLProfile.getGL2ES2();
+        final FBOMix2DemosES2 demo = new FBOMix2DemosES2(0);
+        demo.setDoRotation(false);
+        final GLCapabilities caps = new GLCapabilities(glp);
+        caps.setSampleBuffers(true);
+        caps.setNumSamples(4);
+        testGLFBODrawableImpl(caps, demo);
+    }
+    
+    @Test
+    public void testEGLES2_Demo0Normal() throws InterruptedException {    
+        if( GLProfile.isAvailable(GLProfile.GLES2) )  {
+            final GLProfile glp = GLProfile.get(GLProfile.GLES2);
+            final GLCapabilities caps = new GLCapabilities(glp);
+            testGLFBODrawableImpl(caps, new GearsES2(0));
+        } else {
+            System.err.println("EGL ES2 n/a");
+        }
+    }
+    
+    @Test
+    public void testEGLES2_Demo0MSAA4() throws InterruptedException {    
+        if( GLProfile.isAvailable(GLProfile.GLES2) )  {
+            final GLProfile glp = GLProfile.get(GLProfile.GLES2);
+            final GLCapabilities caps = new GLCapabilities(glp);
+            caps.setSampleBuffers(true);
+            caps.setNumSamples(4);
+            testGLFBODrawableImpl(caps, new GearsES2(0));
+        } else {
+            System.err.println("EGL ES2 n/a");
+        }
+    }
+
+    void testGLFBODrawableImpl(GLCapabilities caps, GLEventListener demo) throws InterruptedException {
+        caps.setFBO(true);
+        final GLDrawableFactory factory = GLDrawableFactory.getFactory(caps.getGLProfile());
+        final GLOffscreenAutoDrawable.FBO glad = (GLOffscreenAutoDrawable.FBO)
+                factory.createOffscreenAutoDrawable(null, caps, null, widthStep*szStep, heightStep*szStep, null);
+        Assert.assertNotNull(glad);
+        
+        System.out.println("Realized GLAD: "+glad);
+        System.out.println("Realized GLAD: "+glad.getChosenGLCapabilities());
+        Assert.assertTrue("FBO drawable is initialized before ctx creation", !glad.isInitialized());
+        
+        glad.display(); // initial display incl. init!
+        {
+            final GLContext context = glad.getContext();
+            Assert.assertNotNull(context);
+            Assert.assertTrue(context.isCreated());
+        }
+        Assert.assertTrue("FBO drawable is not initialized after ctx creation", glad.isInitialized());        
+        
+        //
+        // FBO incl. MSAA is fully initialized now
+        //
+        
+        final GLCapabilitiesImmutable chosenCaps = glad.getChosenGLCapabilities();
+        System.out.println("Init GLAD: "+glad);
+        System.out.println("Init GLAD: "+chosenCaps);
+        
+        final FBObject fboFront = glad.getFBObject(GL.GL_FRONT);
+        final FBObject fboBack  = glad.getFBObject(GL.GL_BACK);
+        
+        System.out.println("Init front FBO: "+fboFront);
+        System.out.println("Init back  FBO: "+fboBack);
+        
+        Assert.assertTrue("FBO drawable is not initialized before ctx creation", glad.isInitialized());
+        Assert.assertTrue("FBO Front is not initialized before ctx creation", fboFront.isInitialized());
+        Assert.assertTrue("FBO Back  is not initialized before ctx creation", fboBack.isInitialized());
+        
+        if( chosenCaps.getDoubleBuffered() ) {
+            Assert.assertTrue("FBO are equal: "+fboFront+" == "+fboBack, !fboFront.equals(fboBack));
+            Assert.assertNotSame(fboFront, fboBack);
+        } else {
+            Assert.assertTrue("FBO are not equal: "+fboFront+" != "+fboBack, fboFront.equals(fboBack));
+            Assert.assertSame(fboFront, fboBack);            
+        }
+        
+        final FBObject.TextureAttachment texAttachA, texAttachB;
+        
+        texAttachA = glad.getTextureBuffer(GL.GL_FRONT);
+        if(0==glad.getNumSamples()) {
+            texAttachB = glad.getTextureBuffer(GL.GL_BACK);
+        } else {
+            texAttachB = null;
+        }
+        
+        final FBObject.Colorbuffer colorA, colorB;
+        final FBObject.RenderAttachment depthA, depthB;
+        
+        colorA = fboFront.getColorbuffer(0);
+        Assert.assertNotNull(colorA);
+        colorB = fboBack.getColorbuffer(0);
+        Assert.assertNotNull(colorB);
+        
+        depthA = fboFront.getDepthAttachment();
+        Assert.assertNotNull(depthA);
+        depthB = fboBack.getDepthAttachment();
+        Assert.assertNotNull(depthB);
+
+        glad.display(); // SWAP_ODD
+        
+        if( chosenCaps.getDoubleBuffered() ) {
+            // double buffer or MSAA
+            Assert.assertTrue("Color attachments are equal: "+colorB+" == "+colorA, !colorB.equals(colorA));
+            Assert.assertNotSame(colorB, colorA);
+            Assert.assertTrue("Depth attachments are equal: "+depthB+" == "+depthA, !depthB.equals(depthA));
+            Assert.assertNotSame(depthB, depthA);
+        } else {
+            // single buffer
+            Assert.assertEquals(colorA, colorB);
+            Assert.assertSame(colorA, colorB);
+            Assert.assertEquals(depthA, depthB);
+            Assert.assertSame(depthA, depthB);
+        }
+        
+        Assert.assertEquals(texAttachA, colorA);
+        Assert.assertSame(texAttachA, colorA);
+        if(0==glad.getNumSamples()) {
+            Assert.assertEquals(texAttachB, colorB);
+            Assert.assertSame(texAttachB, colorB);            
+        }
+
+        if( chosenCaps.getNumSamples() > 0 ) {
+            // MSAA        
+            FBObject _fboFront = glad.getFBObject(GL.GL_FRONT);
+            FBObject _fboBack = glad.getFBObject(GL.GL_BACK);
+            Assert.assertTrue("FBO are not equal: "+fboFront+" != "+_fboFront, fboFront.equals(_fboFront));
+            Assert.assertSame(fboFront, _fboFront);
+            Assert.assertTrue("FBO are not equal: "+fboBack+" != "+_fboBack, fboBack.equals(_fboBack));
+            Assert.assertSame(fboBack, _fboBack);
+        } else if( chosenCaps.getDoubleBuffered() ) {
+            // real double buffer
+            FBObject _fboFront = glad.getFBObject(GL.GL_FRONT);
+            FBObject _fboBack = glad.getFBObject(GL.GL_BACK);
+            Assert.assertTrue("FBO are not equal: "+fboBack+" != "+_fboFront, fboBack.equals(_fboFront));
+            Assert.assertSame(fboBack, _fboFront);
+            Assert.assertTrue("FBO are not equal: "+fboFront+" != "+_fboBack, fboFront.equals(_fboBack));
+            Assert.assertSame(fboFront, _fboBack);
+        } else {
+            // single buffer
+            FBObject _fboFront = glad.getFBObject(GL.GL_FRONT);
+            FBObject _fboBack = glad.getFBObject(GL.GL_BACK);
+            Assert.assertTrue("FBO are not equal: "+fboFront+" != "+_fboFront, fboFront.equals(_fboFront));
+            Assert.assertSame(fboFront, _fboFront);
+            Assert.assertTrue("FBO are not equal: "+fboBack+" != "+_fboFront, fboBack.equals(_fboFront));
+            Assert.assertSame(fboBack, _fboFront);
+            Assert.assertTrue("FBO are not equal: "+fboBack+" != "+_fboBack, fboBack.equals(_fboBack));
+            Assert.assertSame(fboBack, _fboBack);
+            Assert.assertTrue("FBO are not equal: "+fboFront+" != "+_fboBack, fboFront.equals(_fboBack));
+            Assert.assertSame(fboFront, _fboBack);
+        }
+                
+        glad.addGLEventListener(demo);
+        
+        final SnapshotGLEventListener snapshotGLEventListener = new SnapshotGLEventListener();
+        glad.addGLEventListener(snapshotGLEventListener);
+        
+        glad.display(); // - SWAP_EVEN
+
+        // 1 - szStep = 2
+        snapshotGLEventListener.setMakeSnapshot();
+        glad.display(); // - SWAP_ODD
+        
+        // 2, 3 (resize + display)
+        szStep = 1;
+        glad.setSize(widthStep*szStep, heightStep*szStep); // SWAP_EVEN
+        Assert.assertTrue("Size not reached: Expected "+(widthStep*szStep)+"x"+(heightStep*szStep)+", Is "+glad.getWidth()+"x"+glad.getHeight(), 
+                          AWTRobotUtil.waitForSize(glad, widthStep*szStep, heightStep*szStep));
+        snapshotGLEventListener.setMakeSnapshot();
+        glad.display();  //  - SWAP_ODD
+        glad.display();  //  - SWAP_EVEN
+        {
+            // Check whether the attachment reference are still valid!
+            final FBObject _fboFront = glad.getFBObject(GL.GL_FRONT);
+            final FBObject _fboBack = glad.getFBObject(GL.GL_BACK);
+            System.out.println("Resize1.oldFront: "+fboFront);
+            System.out.println("Resize1.nowFront: "+_fboFront);
+            System.out.println("Resize1.oldBack : "+fboBack);
+            System.out.println("Resize1.nowBack : "+_fboBack);
+            Assert.assertEquals(fboFront, _fboFront);
+            Assert.assertSame(fboFront, _fboFront);
+            Assert.assertEquals(fboBack,  _fboBack);
+            Assert.assertSame(fboBack,  _fboBack);
+            
+            FBObject.Colorbuffer _color = _fboFront.getColorbuffer(0);
+            Assert.assertNotNull(_color);
+            Assert.assertEquals(colorA, _color);
+            Assert.assertSame(colorA, _color);
+            
+            FBObject.RenderAttachment _depth = _fboFront.getDepthAttachment();
+            System.err.println("Resize1.oldDepth "+depthA);
+            System.err.println("Resize1.newDepth "+_depth);
+            Assert.assertNotNull(_depth);
+            
+            Assert.assertEquals(depthA, _depth);
+            Assert.assertSame(depthA, _depth);
+            _depth = _fboBack.getDepthAttachment();
+            Assert.assertNotNull(_depth);
+            Assert.assertEquals(depthB, _depth);
+            Assert.assertSame(depthB, _depth);
+            
+            _color = _fboFront.getColorbuffer(colorA);
+            Assert.assertNotNull(_color);
+            Assert.assertEquals(colorA, _color);
+            Assert.assertSame(colorA, _color);
+        }
+        
+        // 4, 5 (resize + display)
+        szStep = 4;
+        glad.setSize(widthStep*szStep, heightStep*szStep); // SWAP_ODD
+        Assert.assertTrue("Size not reached: Expected "+(widthStep*szStep)+"x"+(heightStep*szStep)+", Is "+glad.getWidth()+"x"+glad.getHeight(), 
+                          AWTRobotUtil.waitForSize(glad, widthStep*szStep, heightStep*szStep));
+        snapshotGLEventListener.setMakeSnapshot();
+        glad.display(); //  - SWAP_EVEN
+        glad.display(); //  - SWAP_ODD
+        {
+            // Check whether the attachment reference are still valid!
+            final FBObject _fboFront = glad.getFBObject(GL.GL_FRONT);
+            final FBObject _fboBack = glad.getFBObject(GL.GL_BACK);
+            System.out.println("Resize2.oldFront: "+fboFront);
+            System.out.println("Resize2.nowFront: "+_fboFront);
+            System.out.println("Resize2.oldBack : "+fboBack);
+            System.out.println("Resize2.nowBack : "+_fboBack);
+            if(chosenCaps.getDoubleBuffered() && 0==chosenCaps.getNumSamples()) {
+                // real double buffer
+                Assert.assertEquals(fboBack,  _fboFront);
+                Assert.assertEquals(fboFront, _fboBack);
+            } else {
+                // single or MSAA
+                Assert.assertEquals(fboFront,  _fboFront);
+                Assert.assertEquals(fboBack,   _fboBack);                
+            }
+            
+            FBObject.Colorbuffer _color = fboBack.getColorbuffer(0);
+            Assert.assertNotNull(_color);
+            Assert.assertEquals(colorB, _color);
+            Assert.assertSame(colorB, _color);
+            
+            FBObject.RenderAttachment _depth = fboBack.getDepthAttachment();
+            Assert.assertNotNull(_depth); // MSAA back w/ depth 
+            Assert.assertEquals(depthB, _depth);
+            Assert.assertSame(depthB, _depth);
+            
+            _depth = fboFront.getDepthAttachment();
+            Assert.assertNotNull(_depth);
+            Assert.assertEquals(depthA, _depth);
+            Assert.assertSame(depthA, _depth);
+            
+            _color = fboBack.getColorbuffer(colorB);
+            Assert.assertNotNull(_color);
+            Assert.assertEquals(colorB, _color);
+            Assert.assertSame(colorB, _color);
+        }
+        
+        // 6 + 7 (samples + display)
+        glad.setNumSamples(glad.getGL(), chosenCaps.getNumSamples() > 0 ? 0 : 4); // triggers repaint
+        snapshotGLEventListener.setMakeSnapshot();
+        glad.display(); // actual screenshot
+        
+        // 8, 9 (resize + samples + display)
+        szStep = 3;
+        glad.setSize(widthStep*szStep, heightStep*szStep);
+        Assert.assertTrue("Size not reached: Expected "+(widthStep*szStep)+"x"+(heightStep*szStep)+", Is "+glad.getWidth()+"x"+glad.getHeight(), 
+                          AWTRobotUtil.waitForSize(glad, widthStep*szStep, heightStep*szStep));
+        snapshotGLEventListener.setMakeSnapshot();
+        glad.display();
+                
+        glad.destroy();
+        System.out.println("Fin: "+glad);
+    }
+    
+    public static void main(String args[]) throws IOException {
+        org.junit.runner.JUnitCore.main(TestFBOAutoDrawableFactoryNEWT.class.getName());
+    }
+
+}
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestFBODrawableNEWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestFBODrawableNEWT.java
deleted file mode 100644
index 7977347a7..000000000
--- a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestFBODrawableNEWT.java
+++ /dev/null
@@ -1,272 +0,0 @@
-/**
- * Copyright 2012 JogAmp Community. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification, are
- * permitted provided that the following conditions are met:
- * 
- *    1. Redistributions of source code must retain the above copyright notice, this list of
- *       conditions and the following disclaimer.
- * 
- *    2. Redistributions 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.
- * 
- * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- * 
- * The views and conclusions contained in the software and documentation are those of the
- * authors and should not be interpreted as representing official policies, either expressed
- * or implied, of JogAmp Community.
- */
- 
-package com.jogamp.opengl.test.junit.jogl.acore;
-
-import java.io.IOException;
-
-import javax.media.opengl.GL;
-import javax.media.opengl.GLAutoDrawable;
-import javax.media.opengl.GLCapabilities;
-import javax.media.opengl.GLContext;
-import javax.media.opengl.GLDrawable;
-import javax.media.opengl.GLDrawableFactory;
-import javax.media.opengl.GLEventListener;
-import javax.media.opengl.GLProfile;
-
-import jogamp.opengl.GLFBODrawableImpl;
-
-import org.junit.Assert;
-import org.junit.Test;
-
-import com.jogamp.opengl.FBObject;
-import com.jogamp.opengl.OffscreenAutoDrawable;
-import com.jogamp.opengl.test.junit.jogl.demos.es2.FBOMix2DemosES2;
-import com.jogamp.opengl.test.junit.jogl.demos.es2.GearsES2;
-import com.jogamp.opengl.test.junit.jogl.demos.es2.MultisampleDemoES2;
-import com.jogamp.opengl.test.junit.util.UITestCase;
-import com.jogamp.opengl.util.GLReadBufferUtil;
-import com.jogamp.opengl.util.texture.TextureIO;
-
-public class TestFBODrawableNEWT extends UITestCase {
-    
-    static final int widthStep = 800/4;
-    static final int heightStep = 600/4;
-    volatile int szStep = 2;
-    
-    @Test
-    public void testGL2ES2_Demo1Normal() throws InterruptedException {    
-        final GLProfile glp = GLProfile.getGL2ES2();
-        final GLCapabilities caps = new GLCapabilities(glp);
-        testGLFBODrawableImpl(caps, new GearsES2(0));
-    }
-    
-    @Test
-    public void testGL2ES2_Demo1MSAA4() throws InterruptedException {    
-        final GLProfile glp = GLProfile.getGL2ES2();
-        final GLCapabilities caps = new GLCapabilities(glp);
-        caps.setSampleBuffers(true);
-        caps.setNumSamples(4);
-        testGLFBODrawableImpl(caps, new GearsES2(0));
-    }
-    
-    @Test
-    public void testGL2ES2_Demo2Normal() throws InterruptedException {    
-        final GLProfile glp = GLProfile.getGL2ES2();
-        final GLCapabilities caps = new GLCapabilities(glp);
-        testGLFBODrawableImpl(caps, new MultisampleDemoES2(false));
-    }
-    
-    @Test
-    public void testGL2ES2_Demo2MSAA4() throws InterruptedException {    
-        final GLProfile glp = GLProfile.getGL2ES2();
-        final GLCapabilities caps = new GLCapabilities(glp);
-        caps.setSampleBuffers(true);
-        caps.setNumSamples(4);
-        testGLFBODrawableImpl(caps, new MultisampleDemoES2(true));
-    }
-    
-    @Test
-    public void testGL2ES2_FBODemoNormal() throws InterruptedException {    
-        final GLProfile glp = GLProfile.getGL2ES2();
-        final FBOMix2DemosES2 demo = new FBOMix2DemosES2(0);
-        demo.setDoRotation(false);
-        final GLCapabilities caps = new GLCapabilities(glp);
-        testGLFBODrawableImpl(caps, demo);
-    }
-    
-    @Test
-    public void testGL2ES2_FBODemoMSAA4() throws InterruptedException {    
-        final GLProfile glp = GLProfile.getGL2ES2();
-        final FBOMix2DemosES2 demo = new FBOMix2DemosES2(0);
-        demo.setDoRotation(false);
-        final GLCapabilities caps = new GLCapabilities(glp);
-        caps.setSampleBuffers(true);
-        caps.setNumSamples(4);
-        testGLFBODrawableImpl(caps, demo);
-    }
-    
-    @Test
-    public void testEGLES2_Demo0Normal() throws InterruptedException {    
-        if( GLProfile.isAvailable(GLProfile.GLES2) )  {
-            final GLProfile glp = GLProfile.get(GLProfile.GLES2);
-            final GLCapabilities caps = new GLCapabilities(glp);
-            testGLFBODrawableImpl(caps, new GearsES2(0));
-        } else {
-            System.err.println("EGL ES2 n/a");
-        }
-    }
-    
-    @Test
-    public void testEGLES2_Demo0MSAA4() throws InterruptedException {    
-        if( GLProfile.isAvailable(GLProfile.GLES2) )  {
-            final GLProfile glp = GLProfile.get(GLProfile.GLES2);
-            final GLCapabilities caps = new GLCapabilities(glp);
-            caps.setSampleBuffers(true);
-            caps.setNumSamples(4);
-            testGLFBODrawableImpl(caps, new GearsES2(0));
-        } else {
-            System.err.println("EGL ES2 n/a");
-        }
-    }
-
-    boolean skipShot = false;
-    
-    void testGLFBODrawableImpl(GLCapabilities caps, GLEventListener demo) throws InterruptedException {
-        final GLReadBufferUtil screenshot = new GLReadBufferUtil(false, false);
-        caps.setFBO(true);
-        final GLDrawableFactory factory = GLDrawableFactory.getFactory(caps.getGLProfile());
-        final GLDrawable fboDrawable = factory.createOffscreenDrawable(null, caps, null, widthStep*szStep, heightStep*szStep);
-        Assert.assertNotNull(fboDrawable);
-        Assert.assertTrue("Not an FBO Drawable", fboDrawable instanceof GLFBODrawableImpl);
-        
-        fboDrawable.setRealized(true);
-        Assert.assertTrue(fboDrawable.isRealized());
-        
-        final FBObject fbo = ((GLFBODrawableImpl)fboDrawable).getFBObject();
-        
-        System.out.println("Realized: "+fboDrawable);
-        System.out.println("Realized: "+fboDrawable.getChosenGLCapabilities());
-        System.out.println("Realized: "+fbo);
-        
-        final GLContext context = fboDrawable.createContext(null);
-        Assert.assertNotNull(context);
-        
-        int res = context.makeCurrent();
-        Assert.assertTrue(GLContext.CONTEXT_CURRENT_NEW==res || GLContext.CONTEXT_CURRENT==res);
-        context.release();
-        
-        System.out.println("Post Create-Ctx: "+fbo);        
-        final FBObject.Colorbuffer colorA = fbo.getColorbuffer(0);
-        Assert.assertNotNull(colorA);
-        final FBObject.RenderAttachment depthA = fbo.getDepthAttachment();
-        Assert.assertNotNull(depthA);
-        
-        final OffscreenAutoDrawable glad = new OffscreenAutoDrawable(fboDrawable, context, true);
-
-        glad.addGLEventListener(demo);
-        glad.addGLEventListener(new GLEventListener() {
-            volatile int displayCount=0;
-            volatile int reshapeCount=0;
-            public void init(GLAutoDrawable drawable) {}
-            public void dispose(GLAutoDrawable drawable) {}
-            public void display(GLAutoDrawable drawable) {
-                final GL gl = drawable.getGL();
-                // System.err.println(Thread.currentThread().getName()+": ** display: "+displayCount+": step "+szStep+" "+drawable.getWidth()+"x"+drawable.getHeight());
-                // System.err.println(Thread.currentThread().getName()+": ** FBO-THIS: "+fbo);
-                // System.err.println(Thread.currentThread().getName()+": ** FBO-SINK: "+fbo.getSamplingSinkFBO());
-                // System.err.println(Thread.currentThread().getName()+": ** drawable-read: "+gl.getDefaultReadFramebuffer());
-                if(skipShot) {
-                    skipShot=false;
-                } else {
-                    snapshot(getSimpleTestName("."), displayCount, "msaa"+fbo.getNumSamples(), gl, screenshot, TextureIO.PNG, null);
-                }
-                Assert.assertEquals(drawable.getWidth(), widthStep*szStep);
-                Assert.assertEquals(drawable.getHeight(), heightStep*szStep); 
-                displayCount++;
-            }
-            public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
-                System.err.println(Thread.currentThread().getName()+": ** reshape: "+reshapeCount+": step "+szStep+" "+width+"x"+height+" - "+drawable.getWidth()+"x"+drawable.getHeight());
-                Assert.assertEquals(drawable.getWidth(), widthStep*szStep);
-                Assert.assertEquals(drawable.getHeight(), heightStep*szStep);                
-                reshapeCount++;
-            }
-        });
-
-        // 0 - szStep = 2
-        glad.display();
-        
-        // 1, 2 (resize + display)
-        szStep = 1;
-        skipShot=true;
-        glad.setSize(widthStep*szStep, heightStep*szStep);
-        glad.display();
-        Assert.assertEquals(glad.getWidth(), widthStep*szStep);
-        Assert.assertEquals(glad.getHeight(), heightStep*szStep);
-        {
-            // Check whether the attachment reference are still valid!
-            FBObject.Colorbuffer _colorA = fbo.getColorbuffer(0);
-            Assert.assertNotNull(_colorA);
-            Assert.assertTrue(colorA == _colorA);
-            Assert.assertTrue(colorA.equals(_colorA));
-            FBObject.RenderAttachment _depthA = fbo.getDepthAttachment();
-            Assert.assertNotNull(_depthA);
-            Assert.assertTrue(depthA == _depthA);
-            Assert.assertTrue(depthA.equals(_depthA));
-            
-            _colorA = fbo.getColorbuffer(colorA);
-            Assert.assertNotNull(_colorA);
-            Assert.assertTrue(colorA == _colorA);
-            Assert.assertTrue(colorA.equals(_colorA));
-        }
-        
-        // 3, 4 (resize + display)
-        szStep = 4;
-        skipShot=true;
-        glad.setSize(widthStep*szStep, heightStep*szStep);
-        glad.display();
-        Assert.assertEquals(glad.getWidth(), widthStep*szStep);
-        Assert.assertEquals(glad.getHeight(), heightStep*szStep);
-        {
-            // Check whether the attachment reference are still valid!
-            FBObject.Colorbuffer _colorA = fbo.getColorbuffer(0);
-            Assert.assertNotNull(_colorA);
-            Assert.assertTrue(colorA == _colorA);
-            final FBObject.RenderAttachment _depthA = fbo.getDepthAttachment();
-            Assert.assertNotNull(_depthA);
-            Assert.assertTrue(depthA == _depthA);
-            
-            _colorA = fbo.getColorbuffer(colorA);
-            Assert.assertNotNull(_colorA);
-            Assert.assertTrue(colorA == _colorA);
-        }
-        
-        // 5
-        glad.display();
-        Assert.assertEquals(glad.getWidth(), widthStep*szStep);
-        Assert.assertEquals(glad.getHeight(), heightStep*szStep);
-        
-        // 6, 7 (resize + display)
-        szStep = 3;
-        skipShot=true;
-        glad.setSize(widthStep*szStep, heightStep*szStep);
-        glad.display();
-        Assert.assertEquals(glad.getWidth(), widthStep*szStep);
-        Assert.assertEquals(glad.getHeight(), heightStep*szStep);
-        
-        glad.destroy();
-        System.out.println("Fin: "+fboDrawable);
-        
-        // final GLAutoDrawableDelegate glad = new GLAutoDrawableDelegate(fboDrawable, context);
-    }
-    
-    public static void main(String args[]) throws IOException {
-        org.junit.runner.JUnitCore.main(TestFBODrawableNEWT.class.getName());
-    }
-
-}
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestFBOMRTNEWT01.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestFBOMRTNEWT01.java
index f7c83a03b..077baad43 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestFBOMRTNEWT01.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestFBOMRTNEWT01.java
@@ -229,7 +229,7 @@ public class TestFBOMRTNEWT01 extends UITestCase {
                 final NativeSurface ns = gl.getContext().getGLReadDrawable().getNativeSurface();
                 if(last_snap_size[0] != ns.getWidth() && last_snap_size[1] != ns.getHeight()) {
                     gl.glFinish(); // sync .. no swap buffers yet!
-                    snapshot(getSimpleTestName("."), step_i, null, gl, screenshot, TextureIO.PNG, null); // overwrite ok
+                    snapshot(step_i, null, gl, screenshot, TextureIO.PNG, null); // overwrite ok
                     last_snap_size[0] = ns.getWidth();
                     last_snap_size[1] = ns.getHeight();
                 }
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestFBOMix2DemosES2NEWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestFBOMix2DemosES2NEWT.java
index b384c9327..b3c542c63 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestFBOMix2DemosES2NEWT.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestFBOMix2DemosES2NEWT.java
@@ -106,7 +106,7 @@ public class TestFBOMix2DemosES2NEWT extends UITestCase {
                 if(dw<800) {
                     System.err.println("XXX: "+dw+"x"+dh+", c "+c);
                     if(0 == c%3) {
-                        snapshot(getSimpleTestName("."), i++, "msaa"+demo.getMSAA(), drawable.getGL(), screenshot, TextureIO.PNG, null);                        
+                        snapshot(i++, "msaa"+demo.getMSAA(), drawable.getGL(), screenshot, TextureIO.PNG, null);                        
                     }
                     if( 3 == c ) {
                         new Thread() { 
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestFBOOffThreadSharedContextMix2DemosES2NEWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestFBOOffThreadSharedContextMix2DemosES2NEWT.java
new file mode 100644
index 000000000..3ecf89bfc
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestFBOOffThreadSharedContextMix2DemosES2NEWT.java
@@ -0,0 +1,298 @@
+/**
+ * Copyright 2012 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ * 
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ * 
+ *    2. Redistributions 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.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+ 
+package com.jogamp.opengl.test.junit.jogl.acore;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+import com.jogamp.newt.event.WindowEvent;
+import com.jogamp.newt.event.WindowAdapter;
+import com.jogamp.newt.opengl.GLWindow;
+import com.jogamp.opengl.test.junit.util.AWTRobotUtil;
+import com.jogamp.opengl.test.junit.util.MiscUtils;
+import com.jogamp.opengl.test.junit.util.UITestCase;
+import com.jogamp.opengl.test.junit.util.QuitAdapter;
+
+import com.jogamp.opengl.util.Animator;
+import com.jogamp.opengl.util.FPSAnimator;
+import com.jogamp.opengl.util.GLReadBufferUtil;
+import com.jogamp.opengl.util.texture.TextureIO;
+import com.jogamp.opengl.test.junit.jogl.demos.es2.GearsES2;
+import com.jogamp.opengl.test.junit.jogl.demos.es2.Mix2TexturesES2;
+import com.jogamp.opengl.test.junit.jogl.demos.es2.RedSquareES2;
+
+import javax.media.nativewindow.NativeSurface;
+import javax.media.nativewindow.SurfaceUpdatedListener;
+import javax.media.opengl.GL;
+import javax.media.opengl.GLAutoDrawable;
+import javax.media.opengl.GLCapabilities;
+import javax.media.opengl.GLCapabilitiesImmutable;
+import javax.media.opengl.GLContext;
+import javax.media.opengl.GLDrawableFactory;
+import javax.media.opengl.GLEventListener;
+import javax.media.opengl.GLOffscreenAutoDrawable;
+import javax.media.opengl.GLProfile;
+
+import org.junit.Assert;
+import org.junit.AfterClass;
+import org.junit.Test;
+
+/**
+ * Toolkit agnostic {@link GLOffscreenAutoDrawable.FBO} tests using the 
+ * {@link GLDrawableFactory#createOffscreenAutoDrawable(javax.media.nativewindow.AbstractGraphicsDevice, GLCapabilitiesImmutable, javax.media.opengl.GLCapabilitiesChooser, int, int, GLContext) factory model}. 
+ * <p>
+ * The created {@link GLOffscreenAutoDrawable.FBO} is being used to run the {@link GLEventListener}.  
+ * </p>
+ * <p>
+ * This test simulates shared off-thread GL context / texture usage,
+ * where the producer use FBOs and delivers shared textures.
+ * The receiver blends the shared textures onscreen.
+ * In detail the test consist of:
+ * <ul>
+ *   <li>2 {@link GLOffscreenAutoDrawable.FBO} double buffered
+ *   <ul>
+ *     <li>each with their own {@link GLContext}, which is shares the {@link GLWindow} one (see below)</li> 
+ *     <li>both run within one {@link FPSAnimator} @ 30fps</li>
+ *     <li>produce a texture</li>
+ *     <li>notify the onscreen renderer about new textureID (swapping double buffer)</li>
+ *   </ul></li>
+ *   <li>1 onscreen {@link GLWindow}
+ *   <ul>
+ *     <li>shares it's {@link GLContext} w/ above FBOs</li>
+ *     <li>running within one {@link Animator} at v-sync</li>
+ *     <li>uses the shared FBO textures and blends them onscreen</li>
+ *   </ul></li>  
+ * </ul> 
+ * </p> 
+ */
+public class TestFBOOffThreadSharedContextMix2DemosES2NEWT extends UITestCase {    
+    static long duration = 500; // ms
+    static int swapInterval = 1;
+    static boolean showFPS = false;
+    static boolean forceES2 = false;
+    static boolean mainRun = false;
+        
+    @AfterClass
+    public static void releaseClass() {
+    }
+
+    protected void runTestGL(GLCapabilitiesImmutable caps) throws InterruptedException {
+        final GLReadBufferUtil screenshot = new GLReadBufferUtil(false, false);
+        System.err.println("requested: vsync "+swapInterval+", "+caps);
+        
+        final GLWindow glWindow = GLWindow.create(caps);
+        Assert.assertNotNull(glWindow);
+        glWindow.setTitle("Gears NEWT Test (translucent "+!caps.isBackgroundOpaque()+"), swapInterval "+swapInterval);
+        if(mainRun) {
+            glWindow.setSize(512, 512);            
+        } else {
+            glWindow.setSize(256, 256);
+        }
+        // eager initialization of context
+        glWindow.setVisible(true);
+        glWindow.display(); 
+
+        final int fbod1_texUnit = 0;
+        final int fbod2_texUnit = 1;
+        
+        final GLDrawableFactory factory = GLDrawableFactory.getFactory(caps.getGLProfile());
+        GLCapabilities fbodCaps = (GLCapabilities) caps.cloneMutable();
+        // fbodCaps.setDoubleBuffered(false);
+        
+        final Mix2TexturesES2 mixerDemo = new Mix2TexturesES2(1, fbod1_texUnit, fbod2_texUnit);
+
+        // FBOD1 
+        final GLOffscreenAutoDrawable.FBO fbod1 = (GLOffscreenAutoDrawable.FBO)
+                factory.createOffscreenAutoDrawable(null, fbodCaps, null, glWindow.getWidth(), glWindow.getHeight(), glWindow.getContext());
+        fbod1.setUpstreamWidget(glWindow); // connect the real GLWindow (mouse/key) to offscreen!
+        fbod1.setTextureUnit(fbod1_texUnit);
+        {
+            GearsES2 demo0 = new GearsES2(-1);
+            fbod1.addGLEventListener(demo0);
+            demo0.setIgnoreFocus(true);
+        }
+        fbod1.getNativeSurface().addSurfaceUpdatedListener(new SurfaceUpdatedListener() {
+            @Override
+            public void surfaceUpdated(Object updater, NativeSurface ns, long when) {
+                mixerDemo.setTexID0(fbod1.getTextureBuffer(GL.GL_FRONT).getName());
+            } });
+        fbod1.display(); // init
+        System.err.println("FBOD1 "+fbod1);
+        Assert.assertTrue(fbod1.isInitialized());
+        
+        // FBOD2
+        final GLOffscreenAutoDrawable.FBO fbod2 = (GLOffscreenAutoDrawable.FBO)
+                factory.createOffscreenAutoDrawable(null, fbodCaps, null, glWindow.getWidth(), glWindow.getHeight(), glWindow.getContext());        
+        fbod2.setTextureUnit(fbod2_texUnit);
+        fbod2.addGLEventListener(new RedSquareES2(-1));
+        fbod2.getNativeSurface().addSurfaceUpdatedListener(new SurfaceUpdatedListener() {
+            @Override
+            public void surfaceUpdated(Object updater, NativeSurface ns, long when) {
+                mixerDemo.setTexID1(fbod2.getTextureBuffer(GL.GL_FRONT).getName());
+            } });
+        fbod2.display(); // init
+        System.err.println("FBOD2 "+fbod2);
+        Assert.assertTrue(fbod2.isInitialized());
+
+        // preinit texIDs
+        mixerDemo.setTexID0(fbod1.getTextureBuffer(GL.GL_FRONT).getName());
+        mixerDemo.setTexID1(fbod2.getTextureBuffer(GL.GL_FRONT).getName());
+        
+        glWindow.addGLEventListener(mixerDemo);
+        glWindow.addGLEventListener(new GLEventListener() {
+            int i=0, c=0;
+            public void init(GLAutoDrawable drawable) {}
+            public void dispose(GLAutoDrawable drawable) {}
+            public void display(GLAutoDrawable drawable) {
+                if(mainRun) return;
+                
+                final int dw = drawable.getWidth();
+                final int dh = drawable.getHeight();
+                c++;
+                
+                if(dw<800) {
+                    System.err.println("XXX: "+dw+"x"+dh+", c "+c);
+                    if(8 == c) {
+                        snapshot(i++, "msaa"+fbod1.getNumSamples(), drawable.getGL(), screenshot, TextureIO.PNG, null);                        
+                    }
+                    if(9 == c) {
+                        c=0;
+                        new Thread() { 
+                            @Override
+                            public void run() {
+                                glWindow.setSize(dw+256, dh+256);
+                            } }.start();                            
+                    }
+                }
+            }
+            public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { 
+                fbod1.setSize(width, height);
+                fbod2.setSize(width, height);
+            }
+        });
+        
+        final FPSAnimator animator0 = new FPSAnimator(30);
+        animator0.add(fbod1);
+        animator0.add(fbod2);
+        
+        final Animator animator1 = new Animator();
+        animator1.add(glWindow);
+        
+        QuitAdapter quitAdapter = new QuitAdapter();
+
+        //glWindow.addKeyListener(new TraceKeyAdapter(quitAdapter));
+        //glWindow.addWindowListener(new TraceWindowAdapter(quitAdapter));
+        glWindow.addKeyListener(quitAdapter);
+        glWindow.addWindowListener(quitAdapter);
+
+        glWindow.addWindowListener(new WindowAdapter() {
+            public void windowResized(WindowEvent e) {
+                System.err.println("window resized: "+glWindow.getX()+"/"+glWindow.getY()+" "+glWindow.getWidth()+"x"+glWindow.getHeight());
+            }
+            public void windowMoved(WindowEvent e) {
+                System.err.println("window moved:   "+glWindow.getX()+"/"+glWindow.getY()+" "+glWindow.getWidth()+"x"+glWindow.getHeight());
+            }            
+        });
+        
+        animator0.start();
+        animator1.start();
+        // glWindow.setSkipContextReleaseThread(animator.getThread());
+
+        glWindow.setVisible(true);
+        
+        System.err.println("NW chosen: "+glWindow.getDelegatedWindow().getChosenCapabilities());
+        System.err.println("GL chosen: "+glWindow.getChosenCapabilities());
+        System.err.println("window pos/siz: "+glWindow.getX()+"/"+glWindow.getY()+" "+glWindow.getWidth()+"x"+glWindow.getHeight()+", "+glWindow.getInsets());
+        
+        animator0.setUpdateFPSFrames(30, showFPS ? System.err : null);
+        animator1.setUpdateFPSFrames(60, showFPS ? System.err : null);
+        
+        while(!quitAdapter.shouldQuit() && animator1.isAnimating() && animator1.getTotalFPSDuration()<duration) {
+            Thread.sleep(100);
+        }
+
+        animator0.stop();
+        Assert.assertFalse(animator0.isAnimating());
+        Assert.assertFalse(animator0.isStarted());
+        
+        animator1.stop();
+        Assert.assertFalse(animator1.isAnimating());
+        Assert.assertFalse(animator1.isStarted());
+        
+        fbod1.destroy();
+        fbod2.destroy();
+        
+        glWindow.destroy();
+        Assert.assertEquals(true,  AWTRobotUtil.waitForRealized(glWindow, false));
+    }
+
+    @Test
+    public void test01() throws InterruptedException {
+        GLCapabilities caps = new GLCapabilities(forceES2 ? GLProfile.get(GLProfile.GLES2) : GLProfile.getGL2ES2());
+        caps.setAlphaBits(1);
+        runTestGL(caps);            
+    }
+    
+    public static void main(String args[]) throws IOException {        
+        boolean waitForKey = false;
+        
+        mainRun = true;
+        
+        for(int i=0; i<args.length; i++) {
+            if(args[i].equals("-time")) {
+                i++;
+                duration = MiscUtils.atol(args[i], duration);
+            } else if(args[i].equals("-vsync")) {
+                i++;
+                swapInterval = MiscUtils.atoi(args[i], swapInterval);
+            } else if(args[i].equals("-es2")) {
+                forceES2 = true;
+            } else if(args[i].equals("-showFPS")) {
+                showFPS = true;
+            } else if(args[i].equals("-wait")) {
+                waitForKey = true;
+            } else if(args[i].equals("-nomain")) {
+                mainRun = false;
+            }
+        }
+        
+        System.err.println("swapInterval "+swapInterval);
+        System.err.println("forceES2 "+forceES2);
+
+        if(waitForKey) {
+            BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
+            System.err.println("Press enter to continue");
+            try {
+                System.err.println(stdin.readLine());
+            } catch (IOException e) { }
+        }
+        org.junit.runner.JUnitCore.main(TestFBOOffThreadSharedContextMix2DemosES2NEWT.class.getName());
+    }
+}
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestFBOOnThreadSharedContext1DemoES2NEWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestFBOOnThreadSharedContext1DemoES2NEWT.java
new file mode 100644
index 000000000..7d9a9c662
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestFBOOnThreadSharedContext1DemoES2NEWT.java
@@ -0,0 +1,273 @@
+/**
+ * Copyright 2012 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ * 
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ * 
+ *    2. Redistributions 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.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+ 
+package com.jogamp.opengl.test.junit.jogl.acore;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+import com.jogamp.newt.event.WindowEvent;
+import com.jogamp.newt.event.WindowAdapter;
+import com.jogamp.newt.opengl.GLWindow;
+import com.jogamp.opengl.test.junit.util.AWTRobotUtil;
+import com.jogamp.opengl.test.junit.util.MiscUtils;
+import com.jogamp.opengl.test.junit.util.UITestCase;
+import com.jogamp.opengl.test.junit.util.QuitAdapter;
+
+import com.jogamp.opengl.util.Animator;
+import com.jogamp.opengl.util.GLReadBufferUtil;
+import com.jogamp.opengl.util.texture.TextureIO;
+import com.jogamp.opengl.test.junit.jogl.demos.es2.GearsES2;
+import com.jogamp.opengl.test.junit.jogl.demos.es2.Mix2TexturesES2;
+
+import javax.media.nativewindow.NativeSurface;
+import javax.media.nativewindow.SurfaceUpdatedListener;
+import javax.media.opengl.GL;
+import javax.media.opengl.GLAutoDrawable;
+import javax.media.opengl.GLCapabilities;
+import javax.media.opengl.GLCapabilitiesImmutable;
+import javax.media.opengl.GLContext;
+import javax.media.opengl.GLDrawableFactory;
+import javax.media.opengl.GLEventListener;
+import javax.media.opengl.GLOffscreenAutoDrawable;
+import javax.media.opengl.GLProfile;
+
+import org.junit.Assert;
+import org.junit.AfterClass;
+import org.junit.Test;
+
+/**
+ * Toolkit agnostic {@link GLOffscreenAutoDrawable.FBO} tests using the 
+ * {@link GLDrawableFactory#createOffscreenAutoDrawable(javax.media.nativewindow.AbstractGraphicsDevice, GLCapabilitiesImmutable, javax.media.opengl.GLCapabilitiesChooser, int, int, GLContext) factory model}. 
+ * <p>
+ * The created {@link GLOffscreenAutoDrawable.FBO} is being used to run the {@link GLEventListener}.  
+ * </p>
+ * <p>
+ * This test simulates shared on-thread GL context / texture usage,
+ * where the producer uses an FBO and delivers a shared texture.
+ * The receiver draws the shared texture onscreen.
+ * In detail the test consist of:
+ * <ul>
+ *   <li>1 {@link GLOffscreenAutoDrawable.FBO} double buffered
+ *   <ul>
+ *     <liwith its own {@link GLContext}, which is shares the {@link GLWindow} one (see below)</li> 
+ *     <li>running within common {@link Animator} @ 60fps</li>
+ *     <li>produce a texture</li>
+ *     <li>notify the onscreen renderer about new textureID (swapping double buffer)</li>
+ *   </ul></li>
+ *   <li>1 onscreen {@link GLWindow}
+ *   <ul>
+ *     <li>shares it's {@link GLContext} w/ above FBO</li>
+ *     <li>running within common {@link Animator} @ 60fps</li>
+ *     <li>uses the shared FBO texture and draws it onscreen</li>
+ *   </ul></li>  
+ * </ul> 
+ * </p> 
+ */
+public class TestFBOOnThreadSharedContext1DemoES2NEWT extends UITestCase {    
+    static long duration = 500; // ms
+    static int swapInterval = 1;
+    static boolean showFPS = false;
+    static boolean forceES2 = false;
+    static boolean mainRun = false;
+        
+    @AfterClass
+    public static void releaseClass() {
+    }
+
+    protected void runTestGL(GLCapabilitiesImmutable caps) throws InterruptedException {
+        final GLReadBufferUtil screenshot = new GLReadBufferUtil(false, false);
+        System.err.println("requested: vsync "+swapInterval+", "+caps);
+        
+        final GLWindow glWindow = GLWindow.create(caps);
+        Assert.assertNotNull(glWindow);
+        glWindow.setTitle("Gears NEWT Test (translucent "+!caps.isBackgroundOpaque()+"), swapInterval "+swapInterval);
+        if(mainRun) {
+            glWindow.setSize(512, 512);            
+        } else {
+            glWindow.setSize(256, 256);
+        }
+        // eager initialization of context
+        glWindow.setVisible(true);
+        glWindow.display(); 
+
+        final int fbod1_texUnit = 0;
+        
+        final GLDrawableFactory factory = GLDrawableFactory.getFactory(caps.getGLProfile());
+        GLCapabilities fbodCaps = (GLCapabilities) caps.cloneMutable();
+        // fbodCaps.setDoubleBuffered(false);
+        
+        final Mix2TexturesES2 mixerDemo = new Mix2TexturesES2(1, fbod1_texUnit, 0);
+
+        // FBOD1 
+        final GLOffscreenAutoDrawable.FBO fbod1 = (GLOffscreenAutoDrawable.FBO)
+                factory.createOffscreenAutoDrawable(null, fbodCaps, null, glWindow.getWidth(), glWindow.getHeight(), glWindow.getContext());
+        fbod1.setUpstreamWidget(glWindow); // connect the real GLWindow (mouse/key) to offscreen!
+        fbod1.setTextureUnit(fbod1_texUnit);
+        {
+            GearsES2 demo0 = new GearsES2(-1);
+            fbod1.addGLEventListener(demo0);
+            demo0.setIgnoreFocus(true);
+        }
+        fbod1.getNativeSurface().addSurfaceUpdatedListener(new SurfaceUpdatedListener() {
+            @Override
+            public void surfaceUpdated(Object updater, NativeSurface ns, long when) {
+                mixerDemo.setTexID0(fbod1.getTextureBuffer(GL.GL_FRONT).getName());
+            } });
+        fbod1.display(); // init
+        System.err.println("FBOD1 "+fbod1);
+        Assert.assertTrue(fbod1.isInitialized());
+        
+        // preinit texIDs
+        mixerDemo.setTexID0(fbod1.getTextureBuffer(GL.GL_FRONT).getName());
+        
+        glWindow.addWindowListener(new WindowAdapter() {
+            @Override
+            public void windowResized(WindowEvent e) {
+                fbod1.setSize(glWindow.getWidth(), glWindow.getHeight());
+            }
+        });
+        glWindow.addGLEventListener(mixerDemo);
+        glWindow.addGLEventListener(new GLEventListener() {
+            int i=0, c=0;
+            public void init(GLAutoDrawable drawable) {}
+            public void dispose(GLAutoDrawable drawable) {}
+            public void display(GLAutoDrawable drawable) {
+                if(mainRun) return;
+                
+                final int dw = drawable.getWidth();
+                final int dh = drawable.getHeight();
+                c++;
+                
+                if(dw<800) {
+                    System.err.println("XXX: "+dw+"x"+dh+", c "+c);
+                    if(8 == c) {
+                        snapshot(i++, "msaa"+fbod1.getNumSamples(), drawable.getGL(), screenshot, TextureIO.PNG, null);                        
+                    }
+                    if(9 == c) {
+                        c=0;
+                        new Thread() { 
+                            @Override
+                            public void run() {
+                                glWindow.setSize(dw+256, dh+256);
+                            } }.start();                            
+                    }
+                }
+            }
+            public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { } 
+        });
+        
+        final Animator animator1 = new Animator();
+        animator1.add(fbod1);
+        animator1.add(glWindow);
+        
+        QuitAdapter quitAdapter = new QuitAdapter();
+
+        //glWindow.addKeyListener(new TraceKeyAdapter(quitAdapter));
+        //glWindow.addWindowListener(new TraceWindowAdapter(quitAdapter));
+        glWindow.addKeyListener(quitAdapter);
+        glWindow.addWindowListener(quitAdapter);
+
+        glWindow.addWindowListener(new WindowAdapter() {
+            public void windowResized(WindowEvent e) {
+                System.err.println("window resized: "+glWindow.getX()+"/"+glWindow.getY()+" "+glWindow.getWidth()+"x"+glWindow.getHeight());
+            }
+            public void windowMoved(WindowEvent e) {
+                System.err.println("window moved:   "+glWindow.getX()+"/"+glWindow.getY()+" "+glWindow.getWidth()+"x"+glWindow.getHeight());
+            }            
+        });
+        
+        animator1.start();
+        // glWindow.setSkipContextReleaseThread(animator.getThread());
+
+        glWindow.setVisible(true);
+        
+        System.err.println("NW chosen: "+glWindow.getDelegatedWindow().getChosenCapabilities());
+        System.err.println("GL chosen: "+glWindow.getChosenCapabilities());
+        System.err.println("window pos/siz: "+glWindow.getX()+"/"+glWindow.getY()+" "+glWindow.getWidth()+"x"+glWindow.getHeight()+", "+glWindow.getInsets());
+        
+        animator1.setUpdateFPSFrames(60, showFPS ? System.err : null);
+        
+        while(!quitAdapter.shouldQuit() && animator1.isAnimating() && animator1.getTotalFPSDuration()<duration) {
+            Thread.sleep(100);
+        }
+
+        animator1.stop();
+        Assert.assertFalse(animator1.isAnimating());
+        Assert.assertFalse(animator1.isStarted());
+        
+        fbod1.destroy();
+        
+        glWindow.destroy();
+        Assert.assertEquals(true,  AWTRobotUtil.waitForRealized(glWindow, false));
+    }
+
+    @Test
+    public void test01() throws InterruptedException {
+        GLCapabilities caps = new GLCapabilities(forceES2 ? GLProfile.get(GLProfile.GLES2) : GLProfile.getGL2ES2());
+        caps.setAlphaBits(1);
+        runTestGL(caps);            
+    }
+    
+    public static void main(String args[]) throws IOException {        
+        boolean waitForKey = false;
+        
+        mainRun = true;
+        
+        for(int i=0; i<args.length; i++) {
+            if(args[i].equals("-time")) {
+                i++;
+                duration = MiscUtils.atol(args[i], duration);
+            } else if(args[i].equals("-vsync")) {
+                i++;
+                swapInterval = MiscUtils.atoi(args[i], swapInterval);
+            } else if(args[i].equals("-es2")) {
+                forceES2 = true;
+            } else if(args[i].equals("-showFPS")) {
+                showFPS = true;
+            } else if(args[i].equals("-wait")) {
+                waitForKey = true;
+            } else if(args[i].equals("-nomain")) {
+                mainRun = false;
+            }
+        }
+        
+        System.err.println("swapInterval "+swapInterval);
+        System.err.println("forceES2 "+forceES2);
+
+        if(waitForKey) {
+            BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
+            System.err.println("Press enter to continue");
+            try {
+                System.err.println(stdin.readLine());
+            } catch (IOException e) { }
+        }
+        org.junit.runner.JUnitCore.main(TestFBOOnThreadSharedContext1DemoES2NEWT.class.getName());
+    }
+}
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLAutoDrawableDelegateNEWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLAutoDrawableDelegateNEWT.java
deleted file mode 100644
index 96d9b2e28..000000000
--- a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLAutoDrawableDelegateNEWT.java
+++ /dev/null
@@ -1,152 +0,0 @@
-/**
- * Copyright 2012 JogAmp Community. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification, are
- * permitted provided that the following conditions are met:
- * 
- *    1. Redistributions of source code must retain the above copyright notice, this list of
- *       conditions and the following disclaimer.
- * 
- *    2. Redistributions 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.
- * 
- * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- * 
- * The views and conclusions contained in the software and documentation are those of the
- * authors and should not be interpreted as representing official policies, either expressed
- * or implied, of JogAmp Community.
- */
- 
-package com.jogamp.opengl.test.junit.jogl.acore;
-
-import java.io.IOException;
-
-import javax.media.opengl.GLAutoDrawable;
-import javax.media.opengl.GLAutoDrawableDelegate;
-import javax.media.opengl.GLCapabilities;
-import javax.media.opengl.GLContext;
-import javax.media.opengl.GLDrawable;
-import javax.media.opengl.GLDrawableFactory;
-import javax.media.opengl.GLException;
-import javax.media.opengl.GLProfile;
-
-import org.junit.Assert;
-import org.junit.Test;
-
-import com.jogamp.newt.NewtFactory;
-import com.jogamp.newt.Window;
-import com.jogamp.newt.event.WindowAdapter;
-import com.jogamp.newt.event.WindowEvent;
-import com.jogamp.newt.event.WindowListener;
-import com.jogamp.newt.event.WindowUpdateEvent;
-import com.jogamp.opengl.util.Animator;
-
-import com.jogamp.opengl.test.junit.jogl.demos.es2.GearsES2;
-import com.jogamp.opengl.test.junit.util.AWTRobotUtil;
-import com.jogamp.opengl.test.junit.util.QuitAdapter;
-import com.jogamp.opengl.test.junit.util.UITestCase;
-
-/**
- * Demonstrates a full featured custom GLAutoDrawable implementation
- * utilizing {@link GLAutoDrawableDelegate}. 
- */
-public class TestGLAutoDrawableDelegateNEWT extends UITestCase {
-
-    /** Note: Creates a full featured GLAutoDrawable w/ all window events connected. */
-    private GLAutoDrawable createGLAutoDrawable(GLCapabilities caps, int x, int y, int width, int height, WindowListener wl) throws InterruptedException {
-        final Window window = NewtFactory.createWindow(caps);
-        Assert.assertNotNull(window);
-        window.setPosition(x, y);
-        window.setSize(width, height);
-        window.setVisible(true);
-        Assert.assertTrue(AWTRobotUtil.waitForVisible(window, true));
-        Assert.assertTrue(AWTRobotUtil.waitForRealized(window, true));
-            
-        GLDrawableFactory factory = GLDrawableFactory.getFactory(caps.getGLProfile());
-        GLDrawable drawable = factory.createGLDrawable(window);
-        Assert.assertNotNull(drawable);
-        
-        drawable.setRealized(true);
-        Assert.assertTrue(drawable.isRealized());
-        
-        GLContext context = drawable.createContext(null);
-        Assert.assertNotNull(context);
-        
-        int res = context.makeCurrent();
-        Assert.assertTrue(GLContext.CONTEXT_CURRENT_NEW==res || GLContext.CONTEXT_CURRENT==res);
-        context.release();
-        
-        final GLAutoDrawableDelegate glad = new GLAutoDrawableDelegate(drawable, context, window, false) {
-            @Override
-            protected void destroyImplInLock() {
-                super.destroyImplInLock();  // destroys drawable/context
-                window.destroy(); // destroys the actual window
-            }            
-        };
-        
-        // add basic window interaction
-        window.addWindowListener(new WindowAdapter() {
-            @Override
-            public void windowRepaint(WindowUpdateEvent e) {
-                glad.windowRepaintOp();
-            }
-            @Override
-            public void windowResized(WindowEvent e) {
-                glad.windowResizedOp();
-            }
-            @Override
-            public void windowDestroyNotify(WindowEvent e) {
-                glad.windowDestroyNotifyOp();
-            }
-        });
-        window.addWindowListener(wl);
-        
-        return glad;
-    }
-    
-    @Test
-    public void test01() throws GLException, InterruptedException {
-        final QuitAdapter quitAdapter = new QuitAdapter();
-        GLAutoDrawable glad = createGLAutoDrawable(new GLCapabilities(GLProfile.getGL2ES2()), 0, 0, 640, 480, quitAdapter);        
-        glad.addGLEventListener(new GearsES2(1));
-
-        final Animator animator = new Animator(glad);
-        animator.setUpdateFPSFrames(60, null);
-        animator.start();
-        
-        while(!quitAdapter.shouldQuit() && animator.isAnimating() && animator.getTotalFPSDuration()<duration) {
-            Thread.sleep(100);
-        }
-
-        animator.stop();
-        
-        glad.destroy();
-    }
-
-    static long duration = 2000; // ms
-
-    public static void main(String args[]) throws IOException {
-        for(int i=0; i<args.length; i++) {
-            if(args[i].equals("-time")) {
-                i++;
-                try {
-                    duration = Integer.parseInt(args[i]);
-                } catch (Exception ex) { ex.printStackTrace(); }
-            }
-        }
-        /**
-        BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
-        System.err.println("Press enter to continue");
-        System.err.println(stdin.readLine()); */         
-        org.junit.runner.JUnitCore.main(TestGLAutoDrawableDelegateNEWT.class.getName());
-    }
-}
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLCapabilities01NEWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLAutoDrawableDelegateOnOffscrnCapsNEWT.java
index cd1107e25..bcd777ef2 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLCapabilities01NEWT.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLAutoDrawableDelegateOnOffscrnCapsNEWT.java
@@ -46,42 +46,55 @@ import org.junit.Test;
 
 import com.jogamp.newt.NewtFactory;
 import com.jogamp.newt.Window;
+import com.jogamp.newt.event.WindowAdapter;
+import com.jogamp.newt.event.WindowEvent;
+import com.jogamp.newt.event.WindowUpdateEvent;
+import com.jogamp.opengl.GLAutoDrawableDelegate;
 import com.jogamp.opengl.JoglVersion;
 import com.jogamp.opengl.test.junit.jogl.demos.es2.GearsES2;
+import com.jogamp.opengl.test.junit.jogl.demos.gl2.Gears;
 import com.jogamp.opengl.test.junit.util.AWTRobotUtil;
 import com.jogamp.opengl.test.junit.util.UITestCase;
 
-public class TestGLCapabilities01NEWT extends UITestCase {
-    static final int width = 100;
-    static final int height = 100;
+/**
+ * Tests using a NEWT {@link Window} for on- and offscreen cases.
+ * <p>
+ * Each test creates a {@link GLDrawable} using the 
+ * {@link GLDrawableFactory#createGLDrawable(javax.media.nativewindow.NativeSurface) factory model}.
+ * The {@link GLContext} is derived {@link GLDrawable#createContext(GLContext) from the drawable}.
+ * </p>
+ * <p>
+ * Finally a {@link GLAutoDrawableDelegate} is created with the just created {@link GLDrawable} and {@link GLContext}.
+ * It is being used to run the {@link GLEventListener}.  
+ * </p> 
+ */
+public class TestGLAutoDrawableDelegateOnOffscrnCapsNEWT extends UITestCase {
+    static final int widthStep = 800/4;
+    static final int heightStep = 600/4;
+    volatile int szStep = 2;
 
-    boolean checkProfile(String profile) {
+    static GLCapabilities getCaps(String profile) {
         if( !GLProfile.isAvailable(profile) )  {
             System.err.println("Profile "+profile+" n/a");
-            return false;
+            return null;
         }
-        return true;
+        return new GLCapabilities(GLProfile.get(profile));
     }
     
     void doTest(GLCapabilitiesImmutable reqGLCaps, GLEventListener demo) throws InterruptedException {
         System.out.println("Requested  GL Caps: "+reqGLCaps);
+        final GLDrawableFactory factory = GLDrawableFactory.getFactory(reqGLCaps.getGLProfile());
         
-        final GLCapabilitiesImmutable expGLCaps;
-        if( GLGraphicsConfigurationUtil.isGLCapabilitiesOffscreenAutoSelection(reqGLCaps) ) {
-            final GLDrawableFactory f = GLDrawableFactory.getFactory(reqGLCaps.getGLProfile());
-            final boolean fboAvailable = true ; // f.canCreateFBO(null, reqGLCaps.getGLProfile());
-            final boolean pbufferAvailable = f.canCreateGLPbuffer(null);            
-            expGLCaps = GLGraphicsConfigurationUtil.fixGLCapabilities(reqGLCaps, fboAvailable, pbufferAvailable);
-        } else {
-            expGLCaps = reqGLCaps;
-        }
+        final boolean fboAvailable = factory.canCreateFBO(null, reqGLCaps.getGLProfile());
+        final boolean pbufferAvailable = factory.canCreateGLPbuffer(null);            
+        final GLCapabilitiesImmutable expGLCaps = GLGraphicsConfigurationUtil.fixGLCapabilities(reqGLCaps, fboAvailable, pbufferAvailable);
         System.out.println("Expected   GL Caps: "+expGLCaps);
         //
         // Create native windowing resources .. X11/Win/OSX
         // 
         final Window window = NewtFactory.createWindow(reqGLCaps);
         Assert.assertNotNull(window);
-        window.setSize(width, height);
+        window.setSize(widthStep*szStep, heightStep*szStep);
         window.setVisible(true);
         Assert.assertTrue(AWTRobotUtil.waitForVisible(window, true));
         Assert.assertTrue(AWTRobotUtil.waitForRealized(window, true));
@@ -98,9 +111,7 @@ public class TestGLCapabilities01NEWT extends UITestCase {
         //
         // Create native OpenGL resources .. XGL/WGL/CGL .. 
         // equivalent to GLAutoDrawable methods: setVisible(true)
-        // 
-        final GLDrawableFactory factory = GLDrawableFactory.getFactory(reqGLCaps.getGLProfile());
-        
+        //         
         final GLDrawable drawable = factory.createGLDrawable(window);
         Assert.assertNotNull(drawable);
         System.out.println("Drawable    Pre-GL(0): "+drawable.getClass().getName()+", "+drawable.getNativeSurface().getClass().getName());
@@ -124,10 +135,11 @@ public class TestGLCapabilities01NEWT extends UITestCase {
         Assert.assertEquals(expGLCaps.isFBO(), chosenGLCaps.isFBO());
         Assert.assertEquals(expGLCaps.isPBuffer(), chosenGLCaps.isPBuffer());
         Assert.assertEquals(expGLCaps.isBitmap(), chosenGLCaps.isBitmap());
+        /** Single/Double buffer cannot be checked since result may vary .. 
         if(chosenGLCaps.isOnscreen() || chosenGLCaps.isFBO()) {
             // dbl buffer may be disabled w/ offscreen pbuffer and bitmap
             Assert.assertEquals(expGLCaps.getDoubleBuffered(), chosenGLCaps.getDoubleBuffered());
-        }
+        } */
 
         GLContext context = drawable.createContext(null);
         Assert.assertNotNull(context);
@@ -136,10 +148,68 @@ public class TestGLCapabilities01NEWT extends UITestCase {
         context.release();
         
         System.out.println("Chosen     GL Caps(2): "+drawable.getChosenGLCapabilities());
+        System.out.println("Chosen     GL CTX (2): "+context.getGLVersion());
         System.out.println("Drawable   Post-GL(2): "+drawable.getClass().getName()+", "+drawable.getNativeSurface().getClass().getName());
         
-        drawable.setRealized(false);
-        window.destroy();
+        final GLAutoDrawableDelegate glad = new GLAutoDrawableDelegate(drawable, context, window, false, null) {
+                @Override
+                protected void destroyImplInLock() {
+                    super.destroyImplInLock();  // destroys drawable/context
+                    window.destroy(); // destroys the actual window, incl. the device
+                }
+            };
+        
+        window.addWindowListener(new WindowAdapter() {
+                @Override
+                public void windowRepaint(WindowUpdateEvent e) {
+                    glad.windowRepaintOp();
+                }
+
+                @Override
+                public void windowResized(WindowEvent e) {
+                    glad.windowResizedOp(window.getWidth(), window.getHeight());
+                }
+
+                @Override
+                public void windowDestroyNotify(WindowEvent e) {
+                    glad.windowDestroyNotifyOp();
+                }
+            });
+
+        glad.addGLEventListener(demo);
+        
+        final SnapshotGLEventListener snapshotGLEventListener = new SnapshotGLEventListener();
+        glad.addGLEventListener(snapshotGLEventListener);
+        
+        glad.display(); // initial resize/display
+        
+        // 1 - szStep = 2
+        Assert.assertTrue("Size not reached: Expected "+(widthStep*szStep)+"x"+(heightStep*szStep)+", Is "+glad.getWidth()+"x"+glad.getHeight(), 
+                          AWTRobotUtil.waitForSize(glad, widthStep*szStep, heightStep*szStep));
+        snapshotGLEventListener.setMakeSnapshot();
+        glad.display();
+        
+        // 2, 3 (resize + display)
+        szStep = 1;
+        window.setSize(widthStep*szStep, heightStep*szStep);
+        Assert.assertTrue("Size not reached: Expected "+(widthStep*szStep)+"x"+(heightStep*szStep)+", Is "+glad.getWidth()+"x"+glad.getHeight(), 
+                          AWTRobotUtil.waitForSize(glad, widthStep*szStep, heightStep*szStep));
+        snapshotGLEventListener.setMakeSnapshot();
+        glad.display();
+                
+        // 4, 5 (resize + display)
+        szStep = 4;
+        window.setSize(widthStep*szStep, heightStep*szStep);
+        Assert.assertTrue("Size not reached: Expected "+(widthStep*szStep)+"x"+(heightStep*szStep)+", Is "+glad.getWidth()+"x"+glad.getHeight(), 
+                          AWTRobotUtil.waitForSize(glad, widthStep*szStep, heightStep*szStep));
+        snapshotGLEventListener.setMakeSnapshot();
+        glad.display();
+        
+        Thread.sleep(50);
+        
+        glad.destroy();
+        System.out.println("Fin Drawable: "+drawable);        
+        System.out.println("Fin Window: "+window);
     }
 
     @Test
@@ -156,94 +226,142 @@ public class TestGLCapabilities01NEWT extends UITestCase {
     
     @Test
     public void testGL2OnScreenDblBuf() throws InterruptedException {
-        if(!checkProfile(GLProfile.GL2)) {
-            return;
-        }
-        final GLCapabilities reqGLCaps = new GLCapabilities(GLProfile.get(GLProfile.GL2));        
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testGL2OnScreenSglBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setDoubleBuffered(false);
         doTest(reqGLCaps, new GearsES2(1));
     }
     
     @Test
     public void testGL2OffScreenAutoDblBuf() throws InterruptedException {
-        if(!checkProfile(GLProfile.GL2)) {
-            return;
-        }
-        final GLCapabilities reqGLCaps = new GLCapabilities(GLProfile.get(GLProfile.GL2));        
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
         reqGLCaps.setOnscreen(false);
         doTest(reqGLCaps, new GearsES2(1));
     }
 
     @Test
     public void testGL2OffScreenFBODblBuf() throws InterruptedException {
-        if(!checkProfile(GLProfile.GL2)) {
-            return;
-        }
-        final GLCapabilities reqGLCaps = new GLCapabilities(GLProfile.get(GLProfile.GL2));        
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setFBO(true);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testGL2OffScreenFBOSglBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
         reqGLCaps.setOnscreen(false);
         reqGLCaps.setFBO(true);
+        reqGLCaps.setDoubleBuffered(false);
         doTest(reqGLCaps, new GearsES2(1));
     }
     
     @Test
     public void testGL2OffScreenPbufferDblBuf() throws InterruptedException {
-        if(!checkProfile(GLProfile.GL2)) {
-            return;
-        }
-        final GLCapabilities reqGLCaps = new GLCapabilities(GLProfile.get(GLProfile.GL2));        
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setPBuffer(true);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testGL2OffScreenPbufferSglBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
         reqGLCaps.setOnscreen(false);
         reqGLCaps.setPBuffer(true);
+        reqGLCaps.setDoubleBuffered(false);
         doTest(reqGLCaps, new GearsES2(1));
     }
     
     @Test
     public void testGL2OffScreenBitmapDblBuf() throws InterruptedException {
-        if(!checkProfile(GLProfile.GL2)) {
-            return;
-        }
-        final GLCapabilities reqGLCaps = new GLCapabilities(GLProfile.get(GLProfile.GL2));        
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
         reqGLCaps.setOnscreen(false);
         reqGLCaps.setBitmap(true);
-        doTest(reqGLCaps, new GearsES2(1));
+        doTest(reqGLCaps, new Gears(1));
+    }
+    
+    @Test
+    public void testGL2OffScreenBitmapSglBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setBitmap(true);
+        reqGLCaps.setDoubleBuffered(false);
+        doTest(reqGLCaps, new Gears(1));
     }
     
     @Test
     public void testES2OnScreenDblBuf() throws InterruptedException {
-        if(!checkProfile(GLProfile.GLES2)) {
-            return;
-        }
-        final GLCapabilities reqGLCaps = new GLCapabilities(GLProfile.get(GLProfile.GLES2));        
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GLES2);
+        if(null == reqGLCaps) return;
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testES2OnScreenSglBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GLES2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setDoubleBuffered(false);
         doTest(reqGLCaps, new GearsES2(1));
     }
     
     @Test
     public void testES2OffScreenAutoDblBuf() throws InterruptedException {
-        if(!checkProfile(GLProfile.GLES2)) {
-            return;
-        }
-        final GLCapabilities reqGLCaps = new GLCapabilities(GLProfile.get(GLProfile.GLES2));        
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GLES2);
+        if(null == reqGLCaps) return;
         reqGLCaps.setOnscreen(false);
         doTest(reqGLCaps, new GearsES2(1));
     }
 
     @Test
     public void testES2OffScreenFBODblBuf() throws InterruptedException {
-        if(!checkProfile(GLProfile.GLES2)) {
-            return;
-        }
-        final GLCapabilities reqGLCaps = new GLCapabilities(GLProfile.get(GLProfile.GLES2));        
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GLES2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setFBO(true);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testES2OffScreenFBOSglBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GLES2);
+        if(null == reqGLCaps) return;
         reqGLCaps.setOnscreen(false);
         reqGLCaps.setFBO(true);
+        reqGLCaps.setDoubleBuffered(false);
         doTest(reqGLCaps, new GearsES2(1));
     }
     
     @Test
     public void testES2OffScreenPbufferDblBuf() throws InterruptedException {
-        if(!checkProfile(GLProfile.GLES2)) {
-            return;
-        }
-        final GLCapabilities reqGLCaps = new GLCapabilities(GLProfile.get(GLProfile.GLES2));        
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GLES2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setPBuffer(true);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testES2OffScreenPbufferSglBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GLES2);
+        if(null == reqGLCaps) return;
         reqGLCaps.setOnscreen(false);
         reqGLCaps.setPBuffer(true);
+        reqGLCaps.setDoubleBuffered(false);
         doTest(reqGLCaps, new GearsES2(1));
     }
     
@@ -260,7 +378,7 @@ public class TestGLCapabilities01NEWT extends UITestCase {
     } */
     
     public static void main(String args[]) throws IOException {
-        org.junit.runner.JUnitCore.main(TestGLCapabilities01NEWT.class.getName());
+        org.junit.runner.JUnitCore.main(TestGLAutoDrawableDelegateOnOffscrnCapsNEWT.class.getName());
     }
 
 }
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLAutoDrawableFactoryOffscrnCapsNEWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLAutoDrawableFactoryOffscrnCapsNEWT.java
new file mode 100644
index 000000000..544d74aa5
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLAutoDrawableFactoryOffscrnCapsNEWT.java
@@ -0,0 +1,317 @@
+/**
+ * Copyright 2010 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ * 
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ * 
+ *    2. Redistributions 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.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+ 
+package com.jogamp.opengl.test.junit.jogl.acore;
+
+import java.io.IOException;
+
+import javax.media.nativewindow.CapabilitiesImmutable;
+import javax.media.opengl.GLCapabilities;
+import javax.media.opengl.GLCapabilitiesImmutable;
+import javax.media.opengl.GLContext;
+import javax.media.opengl.GLDrawableFactory;
+import javax.media.opengl.GLEventListener;
+import javax.media.opengl.GLOffscreenAutoDrawable;
+import javax.media.opengl.GLProfile;
+
+import jogamp.opengl.GLGraphicsConfigurationUtil;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import com.jogamp.opengl.JoglVersion;
+import com.jogamp.opengl.test.junit.jogl.demos.es2.GearsES2;
+import com.jogamp.opengl.test.junit.jogl.demos.gl2.Gears;
+import com.jogamp.opengl.test.junit.util.AWTRobotUtil;
+import com.jogamp.opengl.test.junit.util.UITestCase;
+
+/**
+ * Toolkit agnostic {@link GLOffscreenAutoDrawable} tests using the 
+ * {@link GLDrawableFactory#createOffscreenAutoDrawable(javax.media.nativewindow.AbstractGraphicsDevice, GLCapabilitiesImmutable, javax.media.opengl.GLCapabilitiesChooser, int, int, GLContext) factory model}. 
+ * <p>
+ * The created {@link GLOffscreenAutoDrawable} is being used to run the {@link GLEventListener}.  
+ * </p> 
+ */
+public class TestGLAutoDrawableFactoryOffscrnCapsNEWT extends UITestCase {
+    static final int widthStep = 800/4;
+    static final int heightStep = 600/4;
+    volatile int szStep = 2;
+
+    static GLCapabilities getCaps(String profile) {
+        if( !GLProfile.isAvailable(profile) )  {
+            System.err.println("Profile "+profile+" n/a");
+            return null;
+        }
+        return new GLCapabilities(GLProfile.get(profile));
+    }
+    
+    void doTest(GLCapabilitiesImmutable reqGLCaps, GLEventListener demo) throws InterruptedException {
+        System.out.println("Requested  GL Caps: "+reqGLCaps);
+        final GLDrawableFactory factory = GLDrawableFactory.getFactory(reqGLCaps.getGLProfile());
+        
+        final boolean fboAvailable = factory.canCreateFBO(null, reqGLCaps.getGLProfile());
+        final boolean pbufferAvailable = factory.canCreateGLPbuffer(null);            
+        final GLCapabilitiesImmutable expGLCaps = GLGraphicsConfigurationUtil.fixGLCapabilities(reqGLCaps, fboAvailable, pbufferAvailable);
+        System.out.println("Expected   GL Caps: "+expGLCaps);
+
+        //
+        // Create native OpenGL resources .. XGL/WGL/CGL .. 
+        // equivalent to GLAutoDrawable methods: setVisible(true)
+        //
+        final GLOffscreenAutoDrawable glad = factory.createOffscreenAutoDrawable(null, reqGLCaps, null, widthStep*szStep, heightStep*szStep, null);
+        
+        Assert.assertNotNull(glad);
+        System.out.println("Drawable    Pre-GL(0): "+glad.getClass().getName()+", "+glad.getNativeSurface().getClass().getName());        
+        Assert.assertTrue(glad.isRealized());
+        
+        // Check caps of NativeWindow config w/o GL
+        final CapabilitiesImmutable chosenCaps = glad.getChosenGLCapabilities();
+        System.out.println("Drawable Caps Pre_GL : "+chosenCaps);
+        Assert.assertNotNull(chosenCaps);
+        Assert.assertTrue(chosenCaps.getGreenBits()>5);
+        Assert.assertTrue(chosenCaps.getBlueBits()>5);
+        Assert.assertTrue(chosenCaps.getRedBits()>5);
+        
+        glad.display(); // force native context creation
+
+        // Check caps of GLDrawable after realization
+        final GLCapabilitiesImmutable chosenGLCaps = glad.getChosenGLCapabilities();
+        System.out.println("Chosen     GL Caps(1): "+chosenGLCaps);
+        System.out.println("Chosen     GL CTX (1): "+glad.getContext().getGLVersion());
+
+        Assert.assertNotNull(chosenGLCaps);
+        Assert.assertTrue(chosenGLCaps.getGreenBits()>5);
+        Assert.assertTrue(chosenGLCaps.getBlueBits()>5);
+        Assert.assertTrue(chosenGLCaps.getRedBits()>5);
+        Assert.assertTrue(chosenGLCaps.getDepthBits()>4);
+        Assert.assertEquals(expGLCaps.isOnscreen(), chosenGLCaps.isOnscreen());
+        Assert.assertEquals(expGLCaps.isFBO(), chosenGLCaps.isFBO());
+        Assert.assertEquals(expGLCaps.isPBuffer(), chosenGLCaps.isPBuffer());
+        Assert.assertEquals(expGLCaps.isBitmap(), chosenGLCaps.isBitmap());
+        /** Single/Double buffer cannot be checked since result may vary .. 
+        if(chosenGLCaps.isOnscreen() || chosenGLCaps.isFBO()) {
+            // dbl buffer may be disabled w/ offscreen pbuffer and bitmap
+            Assert.assertEquals(expGLCaps.getDoubleBuffered(), chosenGLCaps.getDoubleBuffered());
+        } */        
+
+        glad.addGLEventListener(demo);
+        
+        final SnapshotGLEventListener snapshotGLEventListener = new SnapshotGLEventListener();
+        glad.addGLEventListener(snapshotGLEventListener);
+        
+        glad.display(); // initial resize/display
+        
+        // 1 - szStep = 2
+        Assert.assertTrue("Size not reached: Expected "+(widthStep*szStep)+"x"+(heightStep*szStep)+", Is "+glad.getWidth()+"x"+glad.getHeight(), 
+                          AWTRobotUtil.waitForSize(glad, widthStep*szStep, heightStep*szStep));
+        snapshotGLEventListener.setMakeSnapshot();
+        glad.display();
+        
+        // 2, 3 (resize + display)
+        szStep = 1;
+        glad.setSize(widthStep*szStep, heightStep*szStep);
+        Assert.assertTrue("Size not reached: Expected "+(widthStep*szStep)+"x"+(heightStep*szStep)+", Is "+glad.getWidth()+"x"+glad.getHeight(), 
+                          AWTRobotUtil.waitForSize(glad, widthStep*szStep, heightStep*szStep));
+        snapshotGLEventListener.setMakeSnapshot();
+        glad.display();
+                
+        // 4, 5 (resize + display)
+        szStep = 4;
+        glad.setSize(widthStep*szStep, heightStep*szStep);
+        Assert.assertTrue("Size not reached: Expected "+(widthStep*szStep)+"x"+(heightStep*szStep)+", Is "+glad.getWidth()+"x"+glad.getHeight(), 
+                          AWTRobotUtil.waitForSize(glad, widthStep*szStep, heightStep*szStep));
+        snapshotGLEventListener.setMakeSnapshot();
+        glad.display();
+        
+        Thread.sleep(50);
+        
+        glad.destroy();
+        System.out.println("Fin Drawable: "+glad);        
+    }
+
+    @Test
+    public void testAvailableInfo() {
+        GLDrawableFactory f = GLDrawableFactory.getDesktopFactory();
+        if(null != f) {
+            System.err.println(JoglVersion.getDefaultOpenGLInfo(f.getDefaultDevice(), null, true).toString());
+        }
+        f = GLDrawableFactory.getEGLFactory();
+        if(null != f) {
+            System.err.println(JoglVersion.getDefaultOpenGLInfo(f.getDefaultDevice(), null, true).toString());
+        }
+    }
+    
+    @Test
+    public void testGL2OffScreenAutoDblBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+
+    @Test
+    public void testGL2OffScreenFBODblBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setFBO(true);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testGL2OffScreenFBOSglBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setFBO(true);
+        reqGLCaps.setDoubleBuffered(false);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testGL2OffScreenFBOStencil() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setFBO(true);
+        reqGLCaps.setStencilBits(1);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testGL2OffScreenFBOStencilMSAA() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setFBO(true);
+        reqGLCaps.setStencilBits(1);
+        reqGLCaps.setSampleBuffers(true);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testGL2OffScreenPbufferDblBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setPBuffer(true);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testGL2OffScreenPbufferSglBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setPBuffer(true);
+        reqGLCaps.setDoubleBuffered(false);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testGL2OffScreenBitmapDblBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setBitmap(true);
+        doTest(reqGLCaps, new Gears(1));
+    }
+    
+    @Test
+    public void testGL2OffScreenBitmapSglBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setBitmap(true);
+        reqGLCaps.setDoubleBuffered(false);
+        doTest(reqGLCaps, new Gears(1));
+    }
+    
+    @Test
+    public void testES2OffScreenAutoDblBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GLES2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+
+    @Test
+    public void testES2OffScreenFBODblBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GLES2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setFBO(true);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testES2OffScreenFBOSglBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GLES2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setFBO(true);
+        reqGLCaps.setDoubleBuffered(false);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testES2OffScreenPbufferDblBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GLES2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setPBuffer(true);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testES2OffScreenPbufferSglBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GLES2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setPBuffer(true);
+        reqGLCaps.setDoubleBuffered(false);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    /** Not implemented !
+    @Test
+    public void testES2OffScreenBitmapDblBuf() throws InterruptedException {
+        if(!checkProfile(GLProfile.GLES2)) {
+            return;
+        }
+        final GLCapabilities reqGLCaps = new GLCapabilities(GLProfile.get(GLProfile.GLES2));        
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setBitmap(true);
+        doTest(reqGLCaps, new GearsES2(1));
+    } */
+    
+    public static void main(String args[]) throws IOException {
+        org.junit.runner.JUnitCore.main(TestGLAutoDrawableFactoryOffscrnCapsNEWT.class.getName());
+    }
+
+}
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLAutoDrawableGLCanvasOnOffscrnCapsAWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLAutoDrawableGLCanvasOnOffscrnCapsAWT.java
new file mode 100644
index 000000000..64a75716b
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLAutoDrawableGLCanvasOnOffscrnCapsAWT.java
@@ -0,0 +1,328 @@
+/**
+ * Copyright 2010 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ * 
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ * 
+ *    2. Redistributions 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.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+ 
+package com.jogamp.opengl.test.junit.jogl.acore;
+
+import java.awt.Dimension;
+import java.awt.Frame;
+import java.io.IOException;
+
+import javax.media.nativewindow.CapabilitiesImmutable;
+import javax.media.opengl.GLAutoDrawable;
+import javax.media.opengl.GLCapabilities;
+import javax.media.opengl.GLCapabilitiesImmutable;
+import javax.media.opengl.GLContext;
+import javax.media.opengl.GLDrawable;
+import javax.media.opengl.GLDrawableFactory;
+import javax.media.opengl.GLEventListener;
+import javax.media.opengl.GLProfile;
+import javax.media.opengl.awt.GLCanvas;
+
+import jogamp.nativewindow.jawt.JAWTUtil;
+import jogamp.opengl.GLGraphicsConfigurationUtil;
+
+import org.junit.Assert;
+import org.junit.Assume;
+import org.junit.Test;
+
+import com.jogamp.newt.opengl.GLWindow;
+import com.jogamp.opengl.JoglVersion;
+import com.jogamp.opengl.test.junit.jogl.demos.es2.GearsES2;
+import com.jogamp.opengl.test.junit.util.AWTRobotUtil;
+import com.jogamp.opengl.test.junit.util.UITestCase;
+
+/**
+ * Tests using a NEWT {@link GLWindow} {@link GLAutoDrawable auto drawable} for on- and offscreen cases.
+ * <p>
+ * The NEWT  {@link GLAutoDrawable} is being used to run the {@link GLEventListener}.  
+ * </p> 
+ */
+public class TestGLAutoDrawableGLCanvasOnOffscrnCapsAWT extends UITestCase {
+    static final int widthStep = 800/4;
+    static final int heightStep = 600/4;
+    volatile int szStep = 2;
+
+    static GLCapabilities getCaps(String profile) {
+        if( !GLProfile.isAvailable(profile) )  {
+            System.err.println("Profile "+profile+" n/a");
+            return null;
+        }
+        return new GLCapabilities(GLProfile.get(profile));
+    }
+    
+    static void setGLCanvasSize(final Frame frame, final GLCanvas glc, final int width, final int height) {
+        try {
+            javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
+                public void run() {
+                    final Dimension new_sz = new Dimension(width, height);
+                    glc.setMinimumSize(new_sz);
+                    glc.setPreferredSize(new_sz);
+                    glc.setSize(new_sz);
+                    frame.pack();
+                    frame.validate();
+                } } );
+        } catch( Throwable throwable ) {
+            throwable.printStackTrace();
+            Assume.assumeNoException( throwable );
+        }       
+    }
+    
+    static interface MyGLEventListener extends GLEventListener {
+        void setMakeSnapshot();
+    }
+    
+    void doTest(GLCapabilitiesImmutable reqGLCaps, GLEventListener demo) throws InterruptedException {
+        if(reqGLCaps.isOnscreen() && JAWTUtil.isOffscreenLayerRequired()) {
+            System.err.println("onscreen layer n/a");
+            return;
+        }
+        if(!reqGLCaps.isOnscreen() && !JAWTUtil.isOffscreenLayerSupported()) {
+            System.err.println("offscreen layer n/a");
+            return;
+        }
+        System.out.println("Requested  GL Caps: "+reqGLCaps);
+        final GLDrawableFactory factory = GLDrawableFactory.getFactory(reqGLCaps.getGLProfile());
+        
+        final boolean fboAvailable = factory.canCreateFBO(null, reqGLCaps.getGLProfile());
+        final boolean pbufferAvailable = factory.canCreateGLPbuffer(null);            
+        final GLCapabilitiesImmutable expGLCaps = GLGraphicsConfigurationUtil.fixGLCapabilities(reqGLCaps, fboAvailable, pbufferAvailable);
+        System.out.println("Expected   GL Caps: "+expGLCaps);
+        //
+        // Create native windowing resources .. X11/Win/OSX
+        //
+        final GLCanvas glad = new GLCanvas(reqGLCaps); // will implicit trigger offscreen layer - if !onscreen && supported
+        Assert.assertNotNull(glad);
+        Dimension glc_sz = new Dimension(widthStep*szStep, heightStep*szStep);
+        glad.setMinimumSize(glc_sz);
+        glad.setPreferredSize(glc_sz);
+        glad.setSize(glc_sz);
+        final Frame frame = new Frame(getSimpleTestName("."));
+        Assert.assertNotNull(frame);
+        frame.add(glad);        
+        
+        try {
+            javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
+                public void run() {
+                    frame.pack();
+                    frame.setVisible(true);
+                }});
+        } catch( Throwable throwable ) {
+            throwable.printStackTrace();
+            Assume.assumeNoException( throwable );
+        }
+        
+        Assert.assertTrue(AWTRobotUtil.waitForVisible(glad, true));
+        Assert.assertTrue(AWTRobotUtil.waitForRealized(glad, true));
+        System.out.println("Window: "+glad.getClass().getName());
+        
+        // Check caps of NativeWindow config w/o GL
+        final CapabilitiesImmutable chosenCaps = glad.getChosenGLCapabilities();
+        System.out.println("Window Caps Pre_GL: "+chosenCaps);
+        Assert.assertNotNull(chosenCaps);
+        Assert.assertTrue(chosenCaps.getGreenBits()>5);
+        Assert.assertTrue(chosenCaps.getBlueBits()>5);
+        Assert.assertTrue(chosenCaps.getRedBits()>5);
+
+        glad.display(); // force native context creation
+        
+        //
+        // Create native OpenGL resources .. XGL/WGL/CGL .. 
+        // equivalent to GLAutoDrawable methods: setVisible(true)
+        //         
+        {
+            final GLDrawable actualDrawable = glad.getDelegatedDrawable();
+            Assert.assertNotNull(actualDrawable);
+            System.out.println("Drawable    Pre-GL(0): "+actualDrawable.getClass().getName()+", "+actualDrawable.getNativeSurface().getClass().getName());
+        }
+        
+        System.out.println("Window Caps PostGL   : "+glad.getChosenGLCapabilities());
+        System.out.println("Drawable   Post-GL(1): "+glad.getClass().getName()+", "+glad.getNativeSurface().getClass().getName());
+        
+        // Check caps of GLDrawable after realization
+        final GLCapabilitiesImmutable chosenGLCaps = glad.getChosenGLCapabilities();
+        System.out.println("Chosen     GL Caps(1): "+chosenGLCaps);
+        Assert.assertNotNull(chosenGLCaps);
+        Assert.assertTrue(chosenGLCaps.getGreenBits()>5);
+        Assert.assertTrue(chosenGLCaps.getBlueBits()>5);
+        Assert.assertTrue(chosenGLCaps.getRedBits()>5);
+        Assert.assertTrue(chosenGLCaps.getDepthBits()>4);
+        Assert.assertEquals(expGLCaps.isOnscreen(), chosenGLCaps.isOnscreen());
+        Assert.assertEquals(expGLCaps.isFBO(), chosenGLCaps.isFBO());
+        Assert.assertEquals(expGLCaps.isPBuffer(), chosenGLCaps.isPBuffer());
+        Assert.assertEquals(expGLCaps.isBitmap(), chosenGLCaps.isBitmap());
+        /** Single/Double buffer cannot be checked since result may vary .. 
+        if(chosenGLCaps.isOnscreen() || chosenGLCaps.isFBO()) {
+            // dbl buffer may be disabled w/ offscreen pbuffer and bitmap
+            Assert.assertEquals(expGLCaps.getDoubleBuffered(), chosenGLCaps.getDoubleBuffered());
+        } */
+
+        {
+            GLContext context = glad.getContext();
+            System.out.println("Chosen     GL CTX (2): "+context.getGLVersion());
+            Assert.assertNotNull(context);
+            Assert.assertTrue(context.isCreated());
+        }
+        
+        System.out.println("Chosen     GL Caps(2): "+glad.getChosenGLCapabilities());
+        System.out.println("Drawable   Post-GL(2): "+glad.getClass().getName()+", "+glad.getNativeSurface().getClass().getName());
+        
+        glad.addGLEventListener(demo);
+        
+        final SnapshotGLEventListener snapshotGLEventListener = new SnapshotGLEventListener();
+        glad.addGLEventListener(snapshotGLEventListener);
+        
+        glad.display(); // initial resize/display
+        
+        // 1 - szStep = 2
+        Assert.assertTrue("Size not reached: Expected "+(widthStep*szStep)+"x"+(heightStep*szStep)+", Is "+glad.getWidth()+"x"+glad.getHeight(), 
+                          AWTRobotUtil.waitForSize(glad, widthStep*szStep, heightStep*szStep));
+        snapshotGLEventListener.setMakeSnapshot();
+        glad.display();
+        
+        // 2, 3 (resize + display)
+        szStep = 1;
+        setGLCanvasSize(frame, glad, widthStep*szStep, heightStep*szStep);
+        Assert.assertTrue("Size not reached: Expected "+(widthStep*szStep)+"x"+(heightStep*szStep)+", Is "+glad.getWidth()+"x"+glad.getHeight(), 
+                          AWTRobotUtil.waitForSize(glad, widthStep*szStep, heightStep*szStep));
+        glad.display();
+        snapshotGLEventListener.setMakeSnapshot();
+        glad.display();
+                
+        // 4, 5 (resize + display)
+        szStep = 4;
+        setGLCanvasSize(frame, glad, widthStep*szStep, heightStep*szStep);
+        Assert.assertTrue("Size not reached: Expected "+(widthStep*szStep)+"x"+(heightStep*szStep)+", Is "+glad.getWidth()+"x"+glad.getHeight(), 
+                          AWTRobotUtil.waitForSize(glad, widthStep*szStep, heightStep*szStep));
+        glad.display();
+        snapshotGLEventListener.setMakeSnapshot();
+        glad.display();
+        
+        Thread.sleep(50);
+        
+        try {
+            javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
+                public void run() {
+                    frame.setVisible(false);
+                    frame.remove(glad);
+                    frame.dispose();
+                }});
+        } catch( Throwable throwable ) {
+            throwable.printStackTrace();
+            Assume.assumeNoException( throwable );
+        }        
+        System.out.println("Fin: "+glad);
+    }
+
+    @Test
+    public void testAvailableInfo() {
+        GLDrawableFactory f = GLDrawableFactory.getDesktopFactory();
+        if(null != f) {
+            System.err.println(JoglVersion.getDefaultOpenGLInfo(f.getDefaultDevice(), null, true).toString());
+        }
+        f = GLDrawableFactory.getEGLFactory();
+        if(null != f) {
+            System.err.println(JoglVersion.getDefaultOpenGLInfo(f.getDefaultDevice(), null, true).toString());
+        }
+    }
+    
+    @Test
+    public void testGL2OnScreen() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testGL2OffScreenAuto() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+
+    @Test
+    public void testGL2OffScreenFBOMSAA() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setFBO(true);
+        reqGLCaps.setSampleBuffers(true);
+        reqGLCaps.setNumSamples(4);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testGL2OffScreenPbuffer() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setPBuffer(true);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testES2OnScreen() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GLES2);
+        if(null == reqGLCaps) return;
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testES2OffScreenAuto() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GLES2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testES2OffScreenFBOMSAA() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GLES2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setFBO(true);
+        reqGLCaps.setSampleBuffers(true);
+        reqGLCaps.setNumSamples(4);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testES2OffScreenPbuffer() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GLES2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setPBuffer(true);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    
+    public static void main(String args[]) throws IOException {
+        org.junit.runner.JUnitCore.main(TestGLAutoDrawableGLCanvasOnOffscrnCapsAWT.class.getName());
+    }
+
+}
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLAutoDrawableGLWindowOnOffscrnCapsNEWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLAutoDrawableGLWindowOnOffscrnCapsNEWT.java
new file mode 100644
index 000000000..37ec44566
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLAutoDrawableGLWindowOnOffscrnCapsNEWT.java
@@ -0,0 +1,351 @@
+/**
+ * Copyright 2010 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ * 
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ * 
+ *    2. Redistributions 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.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+ 
+package com.jogamp.opengl.test.junit.jogl.acore;
+
+import java.io.IOException;
+
+import javax.media.nativewindow.CapabilitiesImmutable;
+import javax.media.opengl.GLAutoDrawable;
+import javax.media.opengl.GLCapabilities;
+import javax.media.opengl.GLCapabilitiesImmutable;
+import javax.media.opengl.GLContext;
+import javax.media.opengl.GLDrawable;
+import javax.media.opengl.GLDrawableFactory;
+import javax.media.opengl.GLEventListener;
+import javax.media.opengl.GLProfile;
+
+import jogamp.opengl.GLGraphicsConfigurationUtil;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import com.jogamp.newt.opengl.GLWindow;
+import com.jogamp.opengl.JoglVersion;
+import com.jogamp.opengl.test.junit.jogl.demos.es2.GearsES2;
+import com.jogamp.opengl.test.junit.jogl.demos.gl2.Gears;
+import com.jogamp.opengl.test.junit.util.AWTRobotUtil;
+import com.jogamp.opengl.test.junit.util.UITestCase;
+
+/**
+ * Tests using a NEWT {@link GLWindow} {@link GLAutoDrawable auto drawable} for on- and offscreen cases.
+ * <p>
+ * The NEWT  {@link GLAutoDrawable} is being used to run the {@link GLEventListener}.  
+ * </p> 
+ */
+public class TestGLAutoDrawableGLWindowOnOffscrnCapsNEWT extends UITestCase {
+    static final int widthStep = 800/4;
+    static final int heightStep = 600/4;
+    volatile int szStep = 2;
+
+    static interface MyGLEventListener extends GLEventListener {
+        void setMakeSnapshot();
+    }
+    
+    static GLCapabilities getCaps(String profile) {
+        if( !GLProfile.isAvailable(profile) )  {
+            System.err.println("Profile "+profile+" n/a");
+            return null;
+        }
+        return new GLCapabilities(GLProfile.get(profile));
+    }
+    
+    void doTest(GLCapabilitiesImmutable reqGLCaps, GLEventListener demo) throws InterruptedException {
+        System.out.println("Requested  GL Caps: "+reqGLCaps);
+        final GLDrawableFactory factory = GLDrawableFactory.getFactory(reqGLCaps.getGLProfile());
+        
+        final boolean fboAvailable = factory.canCreateFBO(null, reqGLCaps.getGLProfile());
+        final boolean pbufferAvailable = factory.canCreateGLPbuffer(null);            
+        final GLCapabilitiesImmutable expGLCaps = GLGraphicsConfigurationUtil.fixGLCapabilities(reqGLCaps, fboAvailable, pbufferAvailable);
+        System.out.println("Expected   GL Caps: "+expGLCaps);
+        //
+        // Create native windowing resources .. X11/Win/OSX
+        // 
+        final GLWindow glad = GLWindow.create(reqGLCaps);
+        Assert.assertNotNull(glad);
+        glad.setSize(widthStep*szStep, heightStep*szStep);
+        glad.setVisible(true);
+        Assert.assertTrue(AWTRobotUtil.waitForVisible(glad, true));
+        Assert.assertTrue(AWTRobotUtil.waitForRealized(glad, true));
+        System.out.println("Window: "+glad.getClass().getName());
+        
+        // Check caps of NativeWindow config w/o GL
+        final CapabilitiesImmutable chosenCaps = glad.getGraphicsConfiguration().getChosenCapabilities();
+        System.out.println("Window Caps Pre_GL: "+chosenCaps);
+        Assert.assertNotNull(chosenCaps);
+        Assert.assertTrue(chosenCaps.getGreenBits()>5);
+        Assert.assertTrue(chosenCaps.getBlueBits()>5);
+        Assert.assertTrue(chosenCaps.getRedBits()>5);
+
+        //
+        // Create native OpenGL resources .. XGL/WGL/CGL .. 
+        // equivalent to GLAutoDrawable methods: setVisible(true)
+        //         
+        {
+            final GLDrawable actualDrawable = glad.getDelegatedDrawable();
+            Assert.assertNotNull(actualDrawable);
+            System.out.println("Drawable    Pre-GL(0): "+actualDrawable.getClass().getName()+", "+actualDrawable.getNativeSurface().getClass().getName());
+        }
+        
+        System.out.println("Window Caps PostGL   : "+glad.getGraphicsConfiguration().getChosenCapabilities());
+        System.out.println("Drawable   Post-GL(1): "+glad.getClass().getName()+", "+glad.getNativeSurface().getClass().getName());
+        
+        // Check caps of GLDrawable after realization
+        final GLCapabilitiesImmutable chosenGLCaps = glad.getChosenGLCapabilities();
+        System.out.println("Chosen     GL Caps(1): "+chosenGLCaps);
+        Assert.assertNotNull(chosenGLCaps);
+        Assert.assertTrue(chosenGLCaps.getGreenBits()>5);
+        Assert.assertTrue(chosenGLCaps.getBlueBits()>5);
+        Assert.assertTrue(chosenGLCaps.getRedBits()>5);
+        Assert.assertTrue(chosenGLCaps.getDepthBits()>4);
+        Assert.assertEquals(expGLCaps.isOnscreen(), chosenGLCaps.isOnscreen());
+        Assert.assertEquals(expGLCaps.isFBO(), chosenGLCaps.isFBO());
+        Assert.assertEquals(expGLCaps.isPBuffer(), chosenGLCaps.isPBuffer());
+        Assert.assertEquals(expGLCaps.isBitmap(), chosenGLCaps.isBitmap());
+        /** Single/Double buffer cannot be checked since result may vary .. 
+        if(chosenGLCaps.isOnscreen() || chosenGLCaps.isFBO()) {
+            // dbl buffer may be disabled w/ offscreen pbuffer and bitmap
+            Assert.assertEquals(expGLCaps.getDoubleBuffered(), chosenGLCaps.getDoubleBuffered());
+        } */
+
+        glad.display();
+        {
+            GLContext context = glad.getContext();
+            System.out.println("Chosen     GL CTX (2): "+context.getGLVersion());
+            Assert.assertNotNull(context);
+            Assert.assertTrue(context.isCreated());
+        }
+        
+        System.out.println("Chosen     GL Caps(2): "+glad.getChosenGLCapabilities());
+        System.out.println("Drawable   Post-GL(2): "+glad.getClass().getName()+", "+glad.getNativeSurface().getClass().getName());
+        
+        glad.addGLEventListener(demo);
+        
+        final SnapshotGLEventListener snapshotGLEventListener = new SnapshotGLEventListener();
+        glad.addGLEventListener(snapshotGLEventListener);
+        
+        glad.display(); // initial resize/display
+        
+        // 1 - szStep = 2
+        Assert.assertTrue("Size not reached: Expected "+(widthStep*szStep)+"x"+(heightStep*szStep)+", Is "+glad.getWidth()+"x"+glad.getHeight(), 
+                          AWTRobotUtil.waitForSize(glad, widthStep*szStep, heightStep*szStep));
+        snapshotGLEventListener.setMakeSnapshot();
+        glad.display();
+        
+        // 2, 3 (resize + display)
+        szStep = 1;
+        glad.setSize(widthStep*szStep, heightStep*szStep);
+        Assert.assertTrue("Size not reached: Expected "+(widthStep*szStep)+"x"+(heightStep*szStep)+", Is "+glad.getWidth()+"x"+glad.getHeight(), 
+                          AWTRobotUtil.waitForSize(glad, widthStep*szStep, heightStep*szStep));
+        snapshotGLEventListener.setMakeSnapshot();
+        glad.display();
+                
+        // 4, 5 (resize + display)
+        szStep = 4;
+        glad.setSize(widthStep*szStep, heightStep*szStep);
+        Assert.assertTrue("Size not reached: Expected "+(widthStep*szStep)+"x"+(heightStep*szStep)+", Is "+glad.getWidth()+"x"+glad.getHeight(), 
+                          AWTRobotUtil.waitForSize(glad, widthStep*szStep, heightStep*szStep));
+        snapshotGLEventListener.setMakeSnapshot();
+        glad.display();
+        
+        Thread.sleep(50);
+        
+        glad.destroy();
+        System.out.println("Fin: "+glad);
+    }
+
+    @Test
+    public void testAvailableInfo() {
+        GLDrawableFactory f = GLDrawableFactory.getDesktopFactory();
+        if(null != f) {
+            System.err.println(JoglVersion.getDefaultOpenGLInfo(f.getDefaultDevice(), null, true).toString());
+        }
+        f = GLDrawableFactory.getEGLFactory();
+        if(null != f) {
+            System.err.println(JoglVersion.getDefaultOpenGLInfo(f.getDefaultDevice(), null, true).toString());
+        }
+    }
+    
+    @Test
+    public void testGL2OnScreenDblBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testGL2OnScreenSglBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setDoubleBuffered(false);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testGL2OffScreenAutoDblBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+
+    @Test
+    public void testGL2OffScreenFBODblBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setFBO(true);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testGL2OffScreenFBOSglBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setFBO(true);
+        reqGLCaps.setDoubleBuffered(false);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testGL2OffScreenPbufferDblBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setPBuffer(true);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testGL2OffScreenPbufferSglBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setPBuffer(true);
+        reqGLCaps.setDoubleBuffered(false);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testGL2OffScreenBitmapDblBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setBitmap(true);
+        doTest(reqGLCaps, new Gears(1));
+    }
+    
+    @Test
+    public void testGL2OffScreenBitmapSglBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setBitmap(true);
+        reqGLCaps.setDoubleBuffered(false);
+        doTest(reqGLCaps, new Gears(1));
+    }
+    
+    @Test
+    public void testES2OnScreenDblBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GLES2);
+        if(null == reqGLCaps) return;
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testES2OnScreenSglBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GLES2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setDoubleBuffered(false);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testES2OffScreenAutoDblBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GLES2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+
+    @Test
+    public void testES2OffScreenFBODblBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GLES2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setFBO(true);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testES2OffScreenFBOSglBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GLES2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setFBO(true);
+        reqGLCaps.setDoubleBuffered(false);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testES2OffScreenPbufferDblBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GLES2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setPBuffer(true);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testES2OffScreenPbufferSglBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GLES2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setPBuffer(true);
+        reqGLCaps.setDoubleBuffered(false);
+        doTest(reqGLCaps, new GearsES2(1));
+    }
+    
+    /** Not implemented !
+    @Test
+    public void testES2OffScreenBitmapDblBuf() throws InterruptedException {
+        if(!checkProfile(GLProfile.GLES2)) {
+            return;
+        }
+        final GLCapabilities reqGLCaps = new GLCapabilities(GLProfile.get(GLProfile.GLES2));        
+        reqGLCaps.setOnscreen(false);
+        reqGLCaps.setBitmap(true);
+        doTest(reqGLCaps, new GearsES2(1));
+    } */
+    
+    public static void main(String args[]) throws IOException {
+        org.junit.runner.JUnitCore.main(TestGLAutoDrawableGLWindowOnOffscrnCapsNEWT.class.getName());
+    }
+
+}
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLAutoDrawableNewtCanvasAWTOnOffscrnCapsAWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLAutoDrawableNewtCanvasAWTOnOffscrnCapsAWT.java
new file mode 100644
index 000000000..47fc99844
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLAutoDrawableNewtCanvasAWTOnOffscrnCapsAWT.java
@@ -0,0 +1,300 @@
+/**
+ * Copyright 2010 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ * 
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ * 
+ *    2. Redistributions 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.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+ 
+package com.jogamp.opengl.test.junit.jogl.acore;
+
+import java.awt.Component;
+import java.awt.Dimension;
+import java.awt.Frame;
+import java.io.IOException;
+
+import javax.media.nativewindow.CapabilitiesImmutable;
+import javax.media.opengl.GLAutoDrawable;
+import javax.media.opengl.GLCapabilities;
+import javax.media.opengl.GLCapabilitiesImmutable;
+import javax.media.opengl.GLContext;
+import javax.media.opengl.GLDrawable;
+import javax.media.opengl.GLDrawableFactory;
+import javax.media.opengl.GLEventListener;
+import javax.media.opengl.GLProfile;
+
+import jogamp.nativewindow.jawt.JAWTUtil;
+import jogamp.opengl.GLGraphicsConfigurationUtil;
+
+import org.junit.Assert;
+import org.junit.Assume;
+import org.junit.Test;
+
+import com.jogamp.newt.awt.NewtCanvasAWT;
+import com.jogamp.newt.opengl.GLWindow;
+import com.jogamp.opengl.JoglVersion;
+import com.jogamp.opengl.test.junit.jogl.demos.es2.GearsES2;
+import com.jogamp.opengl.test.junit.util.AWTRobotUtil;
+import com.jogamp.opengl.test.junit.util.UITestCase;
+
+/**
+ * Tests using a NEWT {@link GLWindow} {@link GLAutoDrawable auto drawable} for on- and offscreen cases.
+ * <p>
+ * The NEWT  {@link GLAutoDrawable} is being used to run the {@link GLEventListener}.  
+ * </p> 
+ */
+public class TestGLAutoDrawableNewtCanvasAWTOnOffscrnCapsAWT extends UITestCase {
+    static final int widthStep = 800/4;
+    static final int heightStep = 600/4;
+    volatile int szStep = 2;
+
+    static GLCapabilities getCaps(String profile) {
+        if( !GLProfile.isAvailable(profile) )  {
+            System.err.println("Profile "+profile+" n/a");
+            return null;
+        }
+        return new GLCapabilities(GLProfile.get(profile));
+    }
+    
+    static void setComponentSize(final Frame frame, final Component comp, final int width, final int height) {
+        try {
+            javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
+                public void run() {
+                    final Dimension new_sz = new Dimension(width, height);
+                    comp.setMinimumSize(new_sz);
+                    comp.setPreferredSize(new_sz);
+                    comp.setSize(new_sz);
+                    frame.pack();
+                    frame.validate();
+                } } );
+        } catch( Throwable throwable ) {
+            throwable.printStackTrace();
+            Assume.assumeNoException( throwable );
+        }       
+    }
+    
+    static interface MyGLEventListener extends GLEventListener {
+        void setMakeSnapshot();
+    }
+    
+    void doTest(boolean offscreenLayer, GLCapabilitiesImmutable reqGLCaps, GLEventListener demo) throws InterruptedException {
+        if(!offscreenLayer && JAWTUtil.isOffscreenLayerRequired()) {
+            System.err.println("onscreen layer n/a");
+            return;
+        }
+        if(offscreenLayer && !JAWTUtil.isOffscreenLayerSupported()) {
+            System.err.println("offscreen layer n/a");
+            return;
+        }
+        System.out.println("Requested  GL Caps: "+reqGLCaps);
+        final GLDrawableFactory factory = GLDrawableFactory.getFactory(reqGLCaps.getGLProfile());
+        
+        final boolean fboAvailable = factory.canCreateFBO(null, reqGLCaps.getGLProfile());
+        final boolean pbufferAvailable = factory.canCreateGLPbuffer(null);            
+        final GLCapabilitiesImmutable expGLCaps = offscreenLayer ?
+                            GLGraphicsConfigurationUtil.fixOffscreenGLCapabilities(reqGLCaps, fboAvailable, pbufferAvailable) :
+                            GLGraphicsConfigurationUtil.fixGLCapabilities(reqGLCaps, fboAvailable, pbufferAvailable);
+        System.out.println("Expected   GL Caps: "+expGLCaps);
+        
+        final GLWindow glad = GLWindow.create(reqGLCaps);
+        Assert.assertNotNull(glad);
+
+        
+        final NewtCanvasAWT nca = new NewtCanvasAWT(glad);
+        Assert.assertNotNull(nca);
+        Dimension size0 = new Dimension(widthStep*szStep, heightStep*szStep);
+        nca.setShallUseOffscreenLayer(offscreenLayer); // trigger offscreen layer - if supported
+        nca.setPreferredSize(size0);
+        nca.setMinimumSize(size0);
+        nca.setSize(size0);
+        
+        final Frame frame = new Frame(getSimpleTestName("."));
+        Assert.assertNotNull(frame);
+        frame.add(nca);        
+        
+        try {
+            javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
+                public void run() {
+                    frame.pack();
+                    frame.setVisible(true);
+                }});
+        } catch( Throwable throwable ) {
+            throwable.printStackTrace();
+            Assume.assumeNoException( throwable );
+        }
+        
+        Assert.assertTrue(AWTRobotUtil.waitForVisible(glad, true));
+        Assert.assertTrue(AWTRobotUtil.waitForRealized(glad, true));
+        System.out.println("Window: "+glad.getClass().getName());
+        
+        // Check caps of NativeWindow config w/o GL
+        final CapabilitiesImmutable chosenCaps = glad.getChosenGLCapabilities();
+        System.out.println("Window Caps Pre_GL: "+chosenCaps);
+        Assert.assertNotNull(chosenCaps);
+        Assert.assertTrue(chosenCaps.getGreenBits()>5);
+        Assert.assertTrue(chosenCaps.getBlueBits()>5);
+        Assert.assertTrue(chosenCaps.getRedBits()>5);
+
+        glad.display(); // force native context creation
+        
+        //
+        // Create native OpenGL resources .. XGL/WGL/CGL .. 
+        // equivalent to GLAutoDrawable methods: setVisible(true)
+        //         
+        {
+            final GLDrawable actualDrawable = glad.getDelegatedDrawable();
+            Assert.assertNotNull(actualDrawable);
+            System.out.println("Drawable    Pre-GL(0): "+actualDrawable.getClass().getName()+", "+actualDrawable.getNativeSurface().getClass().getName());
+        }
+        
+        System.out.println("Window Caps PostGL   : "+glad.getChosenGLCapabilities());
+        System.out.println("Drawable   Post-GL(1): "+glad.getClass().getName()+", "+glad.getNativeSurface().getClass().getName());
+        
+        // Check caps of GLDrawable after realization
+        final GLCapabilitiesImmutable chosenGLCaps = glad.getChosenGLCapabilities();
+        System.out.println("Chosen     GL Caps(1): "+chosenGLCaps);
+        Assert.assertNotNull(chosenGLCaps);
+        Assert.assertTrue(chosenGLCaps.getGreenBits()>5);
+        Assert.assertTrue(chosenGLCaps.getBlueBits()>5);
+        Assert.assertTrue(chosenGLCaps.getRedBits()>5);
+        Assert.assertTrue(chosenGLCaps.getDepthBits()>4);
+        Assert.assertEquals(expGLCaps.isOnscreen(), chosenGLCaps.isOnscreen());
+        Assert.assertEquals(expGLCaps.isFBO(), chosenGLCaps.isFBO());
+        Assert.assertEquals(expGLCaps.isPBuffer(), chosenGLCaps.isPBuffer());
+        Assert.assertEquals(expGLCaps.isBitmap(), chosenGLCaps.isBitmap());
+        /** Single/Double buffer cannot be checked since result may vary .. 
+        if(chosenGLCaps.isOnscreen() || chosenGLCaps.isFBO()) {
+            // dbl buffer may be disabled w/ offscreen pbuffer and bitmap
+            Assert.assertEquals(expGLCaps.getDoubleBuffered(), chosenGLCaps.getDoubleBuffered());
+        } */
+
+        {
+            GLContext context = glad.getContext();
+            System.out.println("Chosen     GL CTX (2): "+context.getGLVersion());
+            Assert.assertNotNull(context);
+            Assert.assertTrue(context.isCreated());
+        }
+        
+        System.out.println("Chosen     GL Caps(2): "+glad.getChosenGLCapabilities());
+        System.out.println("Drawable   Post-GL(2): "+glad.getClass().getName()+", "+glad.getNativeSurface().getClass().getName());
+        
+        glad.addGLEventListener(demo);
+        
+        final SnapshotGLEventListener snapshotGLEventListener = new SnapshotGLEventListener();
+        glad.addGLEventListener(snapshotGLEventListener);
+        
+        glad.display(); // initial resize/display
+        
+        // 1 - szStep = 2
+        Assert.assertTrue("Size not reached: Expected "+(widthStep*szStep)+"x"+(heightStep*szStep)+", Is "+glad.getWidth()+"x"+glad.getHeight(), 
+                          AWTRobotUtil.waitForSize(glad, widthStep*szStep, heightStep*szStep));
+        snapshotGLEventListener.setMakeSnapshot();
+        glad.display();
+        
+        // 2, 3 (resize + display)
+        szStep = 1;
+        setComponentSize(frame, nca, widthStep*szStep, heightStep*szStep);
+        Assert.assertTrue("Size not reached: Expected "+(widthStep*szStep)+"x"+(heightStep*szStep)+", Is "+glad.getWidth()+"x"+glad.getHeight(), 
+                          AWTRobotUtil.waitForSize(glad, widthStep*szStep, heightStep*szStep));
+        glad.display();
+        snapshotGLEventListener.setMakeSnapshot();
+        glad.display();
+                
+        // 4, 5 (resize + display)
+        szStep = 4;
+        setComponentSize(frame, nca, widthStep*szStep, heightStep*szStep);
+        Assert.assertTrue("Size not reached: Expected "+(widthStep*szStep)+"x"+(heightStep*szStep)+", Is "+glad.getWidth()+"x"+glad.getHeight(), 
+                          AWTRobotUtil.waitForSize(glad, widthStep*szStep, heightStep*szStep));
+        glad.display();
+        snapshotGLEventListener.setMakeSnapshot();
+        glad.display();
+        
+        Thread.sleep(50);
+        
+        try {
+            javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
+                public void run() {
+                    frame.setVisible(false);
+                    frame.remove(nca);
+                    frame.dispose();
+                }});
+        } catch( Throwable throwable ) {
+            throwable.printStackTrace();
+            Assume.assumeNoException( throwable );
+        }        
+        glad.destroy();
+        System.out.println("Fin: "+nca);
+        System.out.println("Fin: "+glad);
+    }
+
+    @Test
+    public void testAvailableInfo() {
+        GLDrawableFactory f = GLDrawableFactory.getDesktopFactory();
+        if(null != f) {
+            System.err.println(JoglVersion.getDefaultOpenGLInfo(f.getDefaultDevice(), null, true).toString());
+        }
+        f = GLDrawableFactory.getEGLFactory();
+        if(null != f) {
+            System.err.println(JoglVersion.getDefaultOpenGLInfo(f.getDefaultDevice(), null, true).toString());
+        }
+    }
+    
+    @Test
+    public void testGL2OnScreenDblBuf() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        doTest(false, reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testGL2OffScreenLayerAuto() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        doTest(true, reqGLCaps, new GearsES2(1));
+    }
+
+    @Test
+    public void testGL2OffScreenFBOMSAA() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setFBO(true);
+        reqGLCaps.setOnscreen(true); // get native NEWT Window, not OffscreenWindow
+        reqGLCaps.setSampleBuffers(true);
+        reqGLCaps.setNumSamples(4);
+        doTest(true, reqGLCaps, new GearsES2(1));
+    }
+    
+    @Test
+    public void testGL2OffScreenPbuffer() throws InterruptedException {
+        final GLCapabilities reqGLCaps = getCaps(GLProfile.GL2);
+        if(null == reqGLCaps) return;
+        reqGLCaps.setPBuffer(true);
+        reqGLCaps.setOnscreen(true); // get native NEWT Window, not OffscreenWindow
+        doTest(true, reqGLCaps, new GearsES2(1));
+    }
+    
+    public static void main(String args[]) throws IOException {
+        org.junit.runner.JUnitCore.main(TestGLAutoDrawableNewtCanvasAWTOnOffscrnCapsAWT.class.getName());
+    }
+
+}
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLContextDrawableSwitchNEWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLContextDrawableSwitchNEWT.java
index cece4c6d5..4c1130498 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLContextDrawableSwitchNEWT.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLContextDrawableSwitchNEWT.java
@@ -39,13 +39,14 @@ import com.jogamp.newt.event.WindowUpdateEvent;
 import com.jogamp.newt.opengl.GLWindow;
 
 import javax.media.opengl.GLAutoDrawable;
-import javax.media.opengl.GLAutoDrawableDelegate;
 import javax.media.opengl.GLCapabilities;
 import javax.media.opengl.GLContext;
 import javax.media.opengl.GLDrawable;
 import javax.media.opengl.GLDrawableFactory;
 import javax.media.opengl.GLEventListener;
 import javax.media.opengl.GLProfile;
+
+import com.jogamp.opengl.GLAutoDrawableDelegate;
 import com.jogamp.opengl.util.Animator;
 
 import com.jogamp.opengl.test.junit.jogl.demos.es2.GearsES2;
@@ -81,14 +82,17 @@ public class TestGLContextDrawableSwitchNEWT extends UITestCase {
         Assert.assertTrue(AWTRobotUtil.waitForVisible(window, true));
         Assert.assertTrue(AWTRobotUtil.waitForRealized(window, true));
             
-        GLDrawableFactory factory = GLDrawableFactory.getFactory(caps.getGLProfile());
-        GLDrawable drawable = factory.createGLDrawable(window);
+        final GLDrawableFactory factory = GLDrawableFactory.getFactory(caps.getGLProfile());
+        final GLDrawable drawable = factory.createGLDrawable(window);
         Assert.assertNotNull(drawable);
         
         drawable.setRealized(true);
         Assert.assertTrue(drawable.isRealized());
         
-        final GLAutoDrawableDelegate glad = new GLAutoDrawableDelegate(drawable, null, window, false) {
+        final GLContext context = drawable.createContext(null);
+        Assert.assertNotNull(context);
+        
+        final GLAutoDrawableDelegate glad = new GLAutoDrawableDelegate(drawable, context, window, false, null) {
             @Override
             protected void destroyImplInLock() {
                 super.destroyImplInLock();
@@ -104,7 +108,7 @@ public class TestGLContextDrawableSwitchNEWT extends UITestCase {
             }
             @Override
             public void windowResized(WindowEvent e) {
-                glad.windowResizedOp();
+                glad.windowResizedOp(window.getWidth(), window.getHeight());
             }
             @Override
             public void windowDestroyNotify(WindowEvent e) {
@@ -123,9 +127,13 @@ public class TestGLContextDrawableSwitchNEWT extends UITestCase {
         GLAutoDrawable glad1 = createGLAutoDrawable(caps,         64, 64,     width,     height, quitAdapter); // no GLContext!
         GLAutoDrawable glad2 = createGLAutoDrawable(caps, 2*64+width, 64, width+100, height+100, quitAdapter); // no GLContext!
         
-        // create single context using glad1 and assign it to glad1 
+        // create single context using glad1 and assign it to glad1,
+        // after destroying the prev. context!
         {
-            GLContext singleCtx = glad1.createContext(null);
+            final GLContext oldCtx = glad1.getContext();
+            Assert.assertNotNull(oldCtx);
+            oldCtx.destroy();
+            final GLContext singleCtx = glad1.createContext(null);
             Assert.assertNotNull(singleCtx);        
             int res = singleCtx.makeCurrent();
             Assert.assertTrue(GLContext.CONTEXT_CURRENT_NEW==res || GLContext.CONTEXT_CURRENT==res);
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLDrawable01NEWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLDrawable01NEWT.java
deleted file mode 100644
index a6e9cfb07..000000000
--- a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLDrawable01NEWT.java
+++ /dev/null
@@ -1,171 +0,0 @@
-/**
- * Copyright 2010 JogAmp Community. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification, are
- * permitted provided that the following conditions are met:
- * 
- *    1. Redistributions of source code must retain the above copyright notice, this list of
- *       conditions and the following disclaimer.
- * 
- *    2. Redistributions 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.
- * 
- * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- * 
- * The views and conclusions contained in the software and documentation are those of the
- * authors and should not be interpreted as representing official policies, either expressed
- * or implied, of JogAmp Community.
- */
- 
-package com.jogamp.opengl.test.junit.jogl.acore;
-
-import java.io.IOException;
-
-import javax.media.nativewindow.CapabilitiesImmutable;
-import javax.media.opengl.GL;
-import javax.media.opengl.GLCapabilities;
-import javax.media.opengl.GLCapabilitiesImmutable;
-import javax.media.opengl.GLContext;
-import javax.media.opengl.GLDrawable;
-import javax.media.opengl.GLDrawableFactory;
-import javax.media.opengl.GLProfile;
-
-import org.junit.Assert;
-import org.junit.Test;
-
-import com.jogamp.newt.NewtFactory;
-import com.jogamp.newt.Window;
-import com.jogamp.opengl.test.junit.util.AWTRobotUtil;
-import com.jogamp.opengl.test.junit.util.UITestCase;
-
-public class TestGLDrawable01NEWT extends UITestCase {
-    static final int width = 200, height = 200;
-
-    void doTest(String profile, boolean onscreen, boolean fbo, boolean pbuffer) throws InterruptedException {
-        if( !GLProfile.isAvailable(profile) )  {
-            System.err.println("Profile "+profile+" n/a");
-            return;
-        }
-
-        final GLProfile glp = GLProfile.get(profile);
-        final GLCapabilities reqGLCaps = new GLCapabilities(glp);
-        
-        reqGLCaps.setOnscreen(onscreen);
-        reqGLCaps.setPBuffer(!onscreen && pbuffer);
-        reqGLCaps.setFBO(!onscreen && fbo);
-        reqGLCaps.setDoubleBuffered(onscreen);
-        // System.out.println("Requested: "+caps);
-
-        //
-        // Create native windowing resources .. X11/Win/OSX
-        // 
-        Window window = NewtFactory.createWindow(reqGLCaps);
-        Assert.assertNotNull(window);
-        window.setSize(width, height);
-        window.setVisible(true);
-        AWTRobotUtil.waitForVisible(window, true);
-        AWTRobotUtil.waitForRealized(window, true);
-        // System.out.println("Created: "+window);
-
-        // Check caps of NativeWindow config w/o GL
-        final CapabilitiesImmutable chosenCaps = window.getGraphicsConfiguration().getChosenCapabilities();
-        Assert.assertNotNull(chosenCaps);
-        Assert.assertTrue(chosenCaps.getGreenBits()>5);
-        Assert.assertTrue(chosenCaps.getBlueBits()>5);
-        Assert.assertTrue(chosenCaps.getRedBits()>5);
-
-        //
-        // Create native OpenGL resources .. XGL/WGL/CGL .. 
-        // equivalent to GLAutoDrawable methods: setVisible(true)
-        // 
-        final GLDrawableFactory factory = GLDrawableFactory.getFactory(glp);
-        
-        final GLDrawable drawable = factory.createGLDrawable(window);
-        Assert.assertNotNull(drawable);
-        // System.out.println("Pre: "+drawable);
-        //
-        drawable.setRealized(true);
-        Assert.assertTrue(drawable.isRealized());
-
-        // Check caps of GLDrawable after realization
-        final GLCapabilitiesImmutable chosenGLCaps = drawable.getChosenGLCapabilities();
-        Assert.assertNotNull(chosenGLCaps);
-        Assert.assertTrue(chosenGLCaps.getGreenBits()>5);
-        Assert.assertTrue(chosenGLCaps.getBlueBits()>5);
-        Assert.assertTrue(chosenGLCaps.getRedBits()>5);
-        Assert.assertTrue(chosenGLCaps.getDepthBits()>4);
-        Assert.assertEquals(reqGLCaps.isOnscreen(), chosenGLCaps.isOnscreen());
-        Assert.assertEquals(reqGLCaps.isOnscreen(), chosenGLCaps.getDoubleBuffered()); // offscreen shall be !dbl-buffer
-        // System.out.println("Post: "+drawable);
-
-        GLContext context = drawable.createContext(null);
-        Assert.assertNotNull(context);
-        // System.out.println(context);
-        
-        int res = context.makeCurrent();
-        Assert.assertTrue(GLContext.CONTEXT_CURRENT_NEW==res || GLContext.CONTEXT_CURRENT==res);
-
-        // draw something ..
-        final GL gl = context.getGL();
-        gl.glClearColor(1, 1, 1, 1);
-        gl.glEnable(GL.GL_DEPTH_TEST);
-        Assert.assertEquals(GL.GL_NO_ERROR, gl.glGetError());
-        gl.glViewport(0, 0, width, height);        
-        gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
-        Assert.assertEquals(GL.GL_NO_ERROR, gl.glGetError());
-
-        drawable.swapBuffers();
-        context.release();
-
-        Thread.sleep(50);
-        
-        context.destroy();    
-        drawable.setRealized(false);
-        window.destroy();
-        // System.out.println("Final: "+window);
-    }
-
-    @Test
-    public void testGL2OnScreen() throws InterruptedException {
-        doTest(GLProfile.GL2, true, false, false);
-    }
-
-    @Test
-    public void testES2OnScreen() throws InterruptedException {
-        doTest(GLProfile.GLES2, true, false, false);
-    }
-    
-    @Test
-    public void testGL2PBuffer() throws InterruptedException {
-        doTest(GLProfile.GL2, false, false, true);
-    }
-
-    @Test
-    public void testES2PBuffer() throws InterruptedException {
-        doTest(GLProfile.GLES2, false, false, true);
-    }
-    
-    // @Test // TODO: FBO-Drawable via createGLDrawable and pre-exisiting NativeSurface
-    public void testGL2FBO() throws InterruptedException {
-        doTest(GLProfile.GL2, false, true, false);
-    }
-
-    // @Test // TODO: FBO-Drawable via createGLDrawable and pre-exisiting NativeSurface
-    public void testES2FBO() throws InterruptedException {
-        doTest(GLProfile.GLES2, false, true, false);
-    }
-    
-    public static void main(String args[]) throws IOException {
-        org.junit.runner.JUnitCore.main(TestGLDrawable01NEWT.class.getName());
-    }
-
-}
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLExtensionQueryOffscreen.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLExtensionQueryOffscreen.java
index e4245ef11..d4f3fece5 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLExtensionQueryOffscreen.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestGLExtensionQueryOffscreen.java
@@ -32,14 +32,11 @@ import java.util.Collections;
 import java.util.SortedSet;
 import java.util.TreeSet;
 
-import javax.media.nativewindow.AbstractGraphicsDevice;
-import javax.media.opengl.DefaultGLCapabilitiesChooser;
 import javax.media.opengl.GL;
-import javax.media.opengl.GLAutoDrawable;
 import javax.media.opengl.GLCapabilities;
-import javax.media.opengl.GLCapabilitiesChooser;
 import javax.media.opengl.GLContext;
 import javax.media.opengl.GLDrawableFactory;
+import javax.media.opengl.GLOffscreenAutoDrawable;
 import javax.media.opengl.GLProfile;
 
 import jogamp.opengl.GLDrawableFactoryImpl;
@@ -77,13 +74,11 @@ public class TestGLExtensionQueryOffscreen {
     
     @Test
     public void testJogl2ExtensionCheck2() {
-        GLCapabilities caps = new GLCapabilities(GLProfile.getDefault());
-        GLDrawableFactory factory = GLDrawableFactory.getDesktopFactory();
-        GLCapabilitiesChooser glCapsChooser = new DefaultGLCapabilitiesChooser();
-        AbstractGraphicsDevice agd = factory.getDefaultDevice();
+        final GLCapabilities caps = new GLCapabilities(GLProfile.getDefault());
+        final GLDrawableFactory factory = GLDrawableFactory.getFactory(caps.getGLProfile());        
+        final GLOffscreenAutoDrawable drawable = factory.createOffscreenAutoDrawable(null, caps, null, 256, 256, null);
         
-        GLAutoDrawable drawable = factory.createGLPbuffer(agd, caps, glCapsChooser, 256, 256, null);
-        GLContext context = drawable.getContext();
+        final GLContext context = drawable.getContext();
         context.makeCurrent();
         String extensions;
         try {
@@ -94,8 +89,8 @@ public class TestGLExtensionQueryOffscreen {
         String[] tabExtensions = extensions.split(" ");
         SortedSet<String> setExtensions = new TreeSet<String>();
         Collections.addAll(setExtensions, tabExtensions);
-        System.out.println("DefaulContext: "+context);
-        System.out.println("DefaulContext: "+setExtensions);
+        System.out.println("DefaultContext: "+context);
+        System.out.println("DefaultContext: "+setExtensions);
     }
 }
 
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestNEWTCloseX11DisplayBug565.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestNEWTCloseX11DisplayBug565.java
index 33a9b7799..c1b7464e7 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestNEWTCloseX11DisplayBug565.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestNEWTCloseX11DisplayBug565.java
@@ -11,12 +11,14 @@ import javax.media.opengl.DefaultGLCapabilitiesChooser;
 import javax.media.opengl.GLCapabilities;
 import javax.media.opengl.GLCapabilitiesImmutable;
 import javax.media.opengl.GLDrawableFactory;
+import javax.media.opengl.GLOffscreenAutoDrawable;
 import javax.media.opengl.GLPbuffer;
 import javax.media.opengl.GLProfile;
 
 /**
  * Tests the closing the device of GLWindow and GLPBuffer in JOGL
  */
+@SuppressWarnings("deprecation")
 public class TestNEWTCloseX11DisplayBug565 {
 
   @Test
@@ -59,7 +61,7 @@ public class TestNEWTCloseX11DisplayBug565 {
 
 
   @Test
-  public void testX11WindowMemoryLeakOffscreenWindow() throws Exception {
+  public void testX11WindowMemoryLeakGLPbuffer() throws Exception {
     GLProfile.initSingleton(); // ensure shared resource runner is done
     try {
       for ( int j = 0; j < 10; j++ ) {
@@ -100,6 +102,48 @@ public class TestNEWTCloseX11DisplayBug565 {
     }
   }
 
+  @Test
+  public void testX11WindowMemoryLeakFBOAutoDrawable() throws Exception {
+    GLProfile.initSingleton(); // ensure shared resource runner is done
+    try {
+      for ( int j = 0; j < 10; j++ ) {
+        final int open0;
+        if(NativeWindowFactory.TYPE_X11 == NativeWindowFactory.getNativeWindowType(false)) {        
+            open0 = X11Util.getOpenDisplayConnectionNumber();
+        } else {
+            open0 = 0;
+        }
+        final GLProfile glp = GLProfile.getDefault( );
+        GLCapabilitiesImmutable caps = new GLCapabilities( glp );
+
+
+        GLOffscreenAutoDrawable buffer = GLDrawableFactory.getFactory( glp ).createOffscreenAutoDrawable(
+            null,
+            caps,
+            new DefaultGLCapabilitiesChooser(),
+            256,
+            256,
+            null
+        );
+        buffer.display();
+        buffer.destroy();
+
+        if(NativeWindowFactory.TYPE_X11 == NativeWindowFactory.getNativeWindowType(false)) {
+            final int openD = X11Util.getOpenDisplayConnectionNumber() - open0;
+            if(openD > 0) {
+                X11Util.dumpOpenDisplayConnections();
+                X11Util.dumpPendingDisplayConnections();
+                Assert.assertEquals("New display connection didn't close", 0, openD);
+            }
+        }
+      }
+    }
+    catch ( Exception e ) {
+      e.printStackTrace();
+      Assert.fail(e.getMessage());
+    }
+  }
+  
   public static void main(String args[]) {
     org.junit.runner.JUnitCore.main(TestNEWTCloseX11DisplayBug565.class.getName());
   }
diff --git a/src/test/com/jogamp/opengl/test/junit/newt/parenting/TestParentingOffscreenLayer01GLCanvasAWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestOffscreenLayer01GLCanvasAWT.java
index 4542fa47e..d181800c5 100644
--- a/src/test/com/jogamp/opengl/test/junit/newt/parenting/TestParentingOffscreenLayer01GLCanvasAWT.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestOffscreenLayer01GLCanvasAWT.java
@@ -26,7 +26,7 @@
  * or implied, of JogAmp Community.
  */
  
-package com.jogamp.opengl.test.junit.newt.parenting;
+package com.jogamp.opengl.test.junit.jogl.acore;
 
 import java.awt.BorderLayout;
 import java.awt.Button;
@@ -56,11 +56,15 @@ import com.jogamp.opengl.test.junit.util.MiscUtils;
 import com.jogamp.opengl.test.junit.util.UITestCase;
 import com.jogamp.opengl.util.Animator;
 
-public class TestParentingOffscreenLayer01GLCanvasAWT extends UITestCase {
+public class TestOffscreenLayer01GLCanvasAWT extends UITestCase {
+    static boolean useMSAA = false;
+    static boolean addComp = true;
+    static int swapInterval = 1;
+    static boolean shallUseOffscreenPBufferLayer = false;
+    static boolean noAnimation = false;
     static Dimension frameSize0;
     static Dimension frameSize1;
     static Dimension preferredGLSize;
-    static Dimension minGLSize;
     static long durationPerTest = 1000;
 
     @BeforeClass
@@ -68,7 +72,6 @@ public class TestParentingOffscreenLayer01GLCanvasAWT extends UITestCase {
         frameSize0 = new Dimension(500,300);
         frameSize1 = new Dimension(800,600);
         preferredGLSize = new Dimension(400,200);
-        minGLSize = new Dimension(200,100);
     }
 
     private void setupFrameAndShow(final Frame f, java.awt.Component comp) throws InterruptedException, InvocationTargetException {
@@ -90,10 +93,12 @@ public class TestParentingOffscreenLayer01GLCanvasAWT extends UITestCase {
         
         javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
             public void run() {
+                f.pack();
                 f.validate();
                 f.setVisible(true);
             }});        
     }
+    
     private void end(GLAnimatorControl actrl, final Frame f, Window w) throws InterruptedException, InvocationTargetException {
         actrl.stop();
         javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
@@ -114,11 +119,6 @@ public class TestParentingOffscreenLayer01GLCanvasAWT extends UITestCase {
     }
     
     @Test
-    public void testOnscreenLayerGLCanvas_Onscreen() throws InterruptedException, InvocationTargetException {
-        testOffscreenLayerGLCanvas_Impl(false);
-    }
-    
-    @Test
     public void testOffscreenLayerGLCanvas_OffscreenLayerWithOnscreenClass() throws InterruptedException, InvocationTargetException {        
         testOffscreenLayerGLCanvas_Impl(true);
     }
@@ -134,13 +134,25 @@ public class TestParentingOffscreenLayer01GLCanvasAWT extends UITestCase {
         }        
         final Frame frame1 = new Frame("AWT Parent Frame");
         
-        GLCapabilities glCaps = new GLCapabilities(null);
-        final GLCanvas glc = new GLCanvas(glCaps);
+        GLCapabilities caps = new GLCapabilities(null);
+        if(useMSAA) {
+            caps.setNumSamples(4);
+            caps.setSampleBuffers(true);
+        }
+        if(shallUseOffscreenPBufferLayer) {
+            caps.setPBuffer(true);
+            caps.setOnscreen(true); // simulate normal behavior ..
+        }
+        final GLCanvas glc = new GLCanvas(caps);
         glc.setShallUseOffscreenLayer(offscreenLayer); // trigger offscreen layer - if supported
         glc.setPreferredSize(preferredGLSize);
-        glc.setMinimumSize(minGLSize);
+        glc.setMinimumSize(preferredGLSize);
+        glc.setSize(preferredGLSize);
         
-        GLEventListener demo1 = new GearsES2(1);
+        GearsES2 demo1 = new GearsES2(swapInterval);
+        if(noAnimation) {
+            demo1.setDoRotation(false);
+        }
         glc.addGLEventListener(demo1);
         
         frame1.setSize(frameSize0);
@@ -151,12 +163,16 @@ public class TestParentingOffscreenLayer01GLCanvasAWT extends UITestCase {
                             glc.isOffscreenLayerSurfaceEnabled());
         
         GLAnimatorControl animator1 = new Animator(glc);
-        animator1.start();
+        if(!noAnimation) {
+            animator1.start();
+        }
+        animator1.setUpdateFPSFrames(60, System.err);
 
         Thread.sleep(durationPerTest/2);
         javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
             public void run() {
                 frame1.setSize(frameSize1);
+                frame1.pack();
                 frame1.validate();
             }});        
         
@@ -190,9 +206,18 @@ public class TestParentingOffscreenLayer01GLCanvasAWT extends UITestCase {
         for(int i=0; i<args.length; i++) {
             if(args[i].equals("-time")) {
                 durationPerTest = atoi(args[++i]);
+            } else if(args[i].equals("-vsync")) {
+                i++;
+                swapInterval = MiscUtils.atoi(args[i], swapInterval);
+            } else if(args[i].equals("-layeredPBuffer")) {
+                shallUseOffscreenPBufferLayer = true;
+            } else if(args[i].equals("-msaa")) {
+                useMSAA = true;
+            } else if(args[i].equals("-still")) {
+                noAnimation = true;
             }
         }
-        String tstname = TestParentingOffscreenLayer01GLCanvasAWT.class.getName();
+        String tstname = TestOffscreenLayer01GLCanvasAWT.class.getName();
         /*
         org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(new String[] {
             tstname,
diff --git a/src/test/com/jogamp/opengl/test/junit/newt/parenting/TestParentingOffscreenLayer02NewtCanvasAWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestOffscreenLayer02NewtCanvasAWT.java
index 6a1980b90..c2185d6c3 100644
--- a/src/test/com/jogamp/opengl/test/junit/newt/parenting/TestParentingOffscreenLayer02NewtCanvasAWT.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestOffscreenLayer02NewtCanvasAWT.java
@@ -26,7 +26,7 @@
  * or implied, of JogAmp Community.
  */
  
-package com.jogamp.opengl.test.junit.newt.parenting;
+package com.jogamp.opengl.test.junit.jogl.acore;
 
 import java.awt.BorderLayout;
 import java.awt.Button;
@@ -50,16 +50,21 @@ import com.jogamp.newt.Window;
 import com.jogamp.newt.awt.NewtCanvasAWT;
 import com.jogamp.newt.opengl.GLWindow;
 import com.jogamp.opengl.test.junit.jogl.demos.es2.GearsES2;
+import com.jogamp.opengl.test.junit.newt.parenting.NewtAWTReparentingKeyAdapter;
 import com.jogamp.opengl.test.junit.util.AWTRobotUtil;
 import com.jogamp.opengl.test.junit.util.MiscUtils;
 import com.jogamp.opengl.test.junit.util.UITestCase;
 import com.jogamp.opengl.util.Animator;
 
-public class TestParentingOffscreenLayer02NewtCanvasAWT extends UITestCase {
+public class TestOffscreenLayer02NewtCanvasAWT extends UITestCase {
+    static boolean useMSAA = false;
+    static boolean addComp = true;
+    static int swapInterval = 1;
+    static boolean shallUseOffscreenPBufferLayer = false;
+    static boolean noAnimation = false;
     static Dimension frameSize0;
     static Dimension frameSize1;
     static Dimension preferredGLSize;
-    static Dimension minGLSize;
     static long durationPerTest = 1000;
 
     @BeforeClass
@@ -67,7 +72,6 @@ public class TestParentingOffscreenLayer02NewtCanvasAWT extends UITestCase {
         frameSize0 = new Dimension(500,300);
         frameSize1 = new Dimension(800,600);
         preferredGLSize = new Dimension(400,200);
-        minGLSize = new Dimension(200,100);
     }
 
     private void setupFrameAndShow(final Frame f, java.awt.Component comp) throws InterruptedException, InvocationTargetException {
@@ -89,10 +93,12 @@ public class TestParentingOffscreenLayer02NewtCanvasAWT extends UITestCase {
         
         javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
             public void run() {
+                f.pack();
                 f.validate();
                 f.setVisible(true);
             }});        
     }
+    
     private void end(GLAnimatorControl actrl, final Frame f, Window w) throws InterruptedException, InvocationTargetException {
         actrl.stop();
         javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
@@ -105,49 +111,42 @@ public class TestParentingOffscreenLayer02NewtCanvasAWT extends UITestCase {
     }
     
     @Test
-    public void testOnscreenLayerNewtCanvas_Onscreen() throws InterruptedException, InvocationTargetException {
-        if(!JAWTUtil.isOffscreenLayerRequired()) {
-            testOffscreenLayerNewtCanvas_Impl(false, false);
-        } else {
-            System.err.println("onscreen layer n/a");
-        }
-    }
-    
-    // @Test
-    public void testOffscreenLayerNewtCanvas_OffscreenLayerWithOffscreenClass() throws InterruptedException, InvocationTargetException {                
-        if(JAWTUtil.isOffscreenLayerSupported()) {
-            testOffscreenLayerNewtCanvas_Impl(true, true);
-        } else {
-            System.err.println("offscreen layer n/a");
-        }        
+    public void testOffscreenLayerNewtCanvas_OffscreenLayerWithOnscreenClass() throws InterruptedException, InvocationTargetException {        
+        testOffscreenLayerNewtCanvas_Impl(true);
     }
     
-    @Test
-    public void testOffscreenLayerNewtCanvas_OffscreenLayerWithOnscreenClass() throws InterruptedException, InvocationTargetException {        
-        if(JAWTUtil.isOffscreenLayerSupported()) {
-            testOffscreenLayerNewtCanvas_Impl(true, false);
-        } else {
+    private void testOffscreenLayerNewtCanvas_Impl(boolean offscreenLayer) throws InterruptedException, InvocationTargetException {
+        if(!offscreenLayer && JAWTUtil.isOffscreenLayerRequired()) {
+            System.err.println("onscreen layer n/a");
+            return;
+        }
+        if(offscreenLayer && !JAWTUtil.isOffscreenLayerSupported()) {
             System.err.println("offscreen layer n/a");
+            return;
         }        
-    }
-    
-    private void testOffscreenLayerNewtCanvas_Impl(boolean offscreenLayer, boolean offscreenClass) throws InterruptedException, InvocationTargetException {
         final Frame frame1 = new Frame("AWT Parent Frame");
         
-        GLCapabilities glCaps = new GLCapabilities(null);
-        if(offscreenClass) {
-            glCaps.setOnscreen(false);
-            glCaps.setPBuffer(true);
+        GLCapabilities caps = new GLCapabilities(null);
+        if(useMSAA) {
+            caps.setNumSamples(4);
+            caps.setSampleBuffers(true);
         }
-
-        GLWindow glWindow1 = GLWindow.create(glCaps);
+        if(shallUseOffscreenPBufferLayer) {
+            caps.setPBuffer(true);
+            caps.setOnscreen(true); // get native NEWT Window, not OffscreenWindow
+        }
+        GLWindow glWindow1 = GLWindow.create(caps);
         
         final NewtCanvasAWT newtCanvasAWT1 = new NewtCanvasAWT(glWindow1);
         newtCanvasAWT1.setShallUseOffscreenLayer(offscreenLayer); // trigger offscreen layer - if supported
         newtCanvasAWT1.setPreferredSize(preferredGLSize);
-        newtCanvasAWT1.setMinimumSize(minGLSize);
+        newtCanvasAWT1.setMinimumSize(preferredGLSize);
+        newtCanvasAWT1.setSize(preferredGLSize);
         
-        GLEventListener demo1 = new GearsES2(1);
+        GearsES2 demo1 = new GearsES2(swapInterval);
+        if(noAnimation) {
+            demo1.setDoRotation(false);
+        }
         setDemoFields(demo1, glWindow1, false);
         glWindow1.addGLEventListener(demo1);
         glWindow1.addKeyListener(new NewtAWTReparentingKeyAdapter(frame1, newtCanvasAWT1, glWindow1));
@@ -161,12 +160,16 @@ public class TestParentingOffscreenLayer02NewtCanvasAWT extends UITestCase {
                             newtCanvasAWT1.isOffscreenLayerSurfaceEnabled());
 
         GLAnimatorControl animator1 = new Animator(glWindow1);
-        animator1.start();
+        if(!noAnimation) {
+            animator1.start();
+        }
+        animator1.setUpdateFPSFrames(60, System.err);
 
         Thread.sleep(durationPerTest/2);
         javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
             public void run() {
                 frame1.setSize(frameSize1);
+                frame1.pack();
                 frame1.validate();
             }});        
         
@@ -200,9 +203,18 @@ public class TestParentingOffscreenLayer02NewtCanvasAWT extends UITestCase {
         for(int i=0; i<args.length; i++) {
             if(args[i].equals("-time")) {
                 durationPerTest = atoi(args[++i]);
+            } else if(args[i].equals("-vsync")) {
+                i++;
+                swapInterval = MiscUtils.atoi(args[i], swapInterval);
+            } else if(args[i].equals("-layeredPBuffer")) {
+                shallUseOffscreenPBufferLayer = true;
+            } else if(args[i].equals("-msaa")) {
+                useMSAA = true;
+            } else if(args[i].equals("-still")) {
+                noAnimation = true;
             }
         }
-        String tstname = TestParentingOffscreenLayer02NewtCanvasAWT.class.getName();
+        String tstname = TestOffscreenLayer02NewtCanvasAWT.class.getName();
         /*
         org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(new String[] {
             tstname,
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestPBufferDeadlockAWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestPBufferDeadlockAWT.java
index 3a25d1206..90934f1b5 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestPBufferDeadlockAWT.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestPBufferDeadlockAWT.java
@@ -45,6 +45,7 @@ import org.junit.Test;
 import com.jogamp.common.util.RunnableTask;
 import com.jogamp.opengl.test.junit.util.UITestCase;
 
+@SuppressWarnings("deprecation")
 public class TestPBufferDeadlockAWT extends UITestCase {
   static GLProfile glp;
   static int width, height;
@@ -100,6 +101,7 @@ public class TestPBufferDeadlockAWT extends UITestCase {
         }        
     });
     Assert.assertTrue(done[0]);
+    pbuffer.destroy();
   }
 
   @Test(timeout = 2000) // 2s timeout
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextListAWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextListAWT.java
index 60502bab1..67b70e117 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextListAWT.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextListAWT.java
@@ -30,11 +30,10 @@ package com.jogamp.opengl.test.junit.jogl.acore;
 
 import javax.media.opengl.GLCapabilities;
 import javax.media.opengl.GLDrawableFactory;
-import javax.media.opengl.GLPbuffer;
+import javax.media.opengl.GLOffscreenAutoDrawable;
 import javax.media.opengl.GLProfile;
 import javax.media.opengl.awt.GLCanvas;
 
-import com.jogamp.common.os.Platform;
 import com.jogamp.opengl.util.Animator;
 
 import com.jogamp.opengl.test.junit.util.UITestCase;
@@ -53,17 +52,11 @@ public class TestSharedContextListAWT extends UITestCase {
     static GLProfile glp;
     static GLCapabilities caps;
     static int width, height;
-    GLPbuffer sharedDrawable;
+    GLOffscreenAutoDrawable sharedDrawable;
     Gears sharedGears;
 
     @BeforeClass
     public static void initClass() {
-        if(Platform.CPUFamily.X86 != Platform.CPU_ARCH.family) { // FIXME
-            // FIXME: Turns out on some mobile GL drivers and platforms 
-            // using shared context is instable, Linux ARM (Omap4, Tegra2, Mesa3d, ..)
-            setTestSupported(false);
-            return;
-        }
         if(GLProfile.isAvailable(GLProfile.GL2)) {
             glp = GLProfile.get(GLProfile.GL2);
             Assert.assertNotNull(glp);
@@ -77,7 +70,7 @@ public class TestSharedContextListAWT extends UITestCase {
     }
 
     private void initShared() {
-        sharedDrawable = GLDrawableFactory.getFactory(glp).createGLPbuffer(null, caps, null, width, height, null);
+        sharedDrawable = GLDrawableFactory.getFactory(glp).createOffscreenAutoDrawable(null, caps, null, width, height, null);
         Assert.assertNotNull(sharedDrawable);
         sharedGears = new Gears();
         Assert.assertNotNull(sharedGears);
@@ -159,10 +152,6 @@ public class TestSharedContextListAWT extends UITestCase {
         }
         animator.stop();
 
-        // here we go again: On AMD/X11 the create/destroy sequence must be the same
-        // even though this is agains the chicken/egg logic
-        releaseShared();
-
         try {
             javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
                 public void run() {
@@ -182,8 +171,7 @@ public class TestSharedContextListAWT extends UITestCase {
             Assume.assumeNoException( throwable );
         }                
         
-        // see above ..
-        //releaseShared();
+        releaseShared();
     }
 
     static long duration = 500; // ms
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextListNEWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextListNEWT.java
index 39367d1b0..78c8fd0ae 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextListNEWT.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextListNEWT.java
@@ -30,13 +30,12 @@ package com.jogamp.opengl.test.junit.jogl.acore;
 
 import java.io.IOException;
 
-import com.jogamp.common.os.Platform;
 import com.jogamp.newt.opengl.GLWindow;
 
 import javax.media.nativewindow.util.InsetsImmutable;
 import javax.media.opengl.GLCapabilities;
 import javax.media.opengl.GLDrawableFactory;
-import javax.media.opengl.GLPbuffer;
+import javax.media.opengl.GLOffscreenAutoDrawable;
 import javax.media.opengl.GLProfile;
 import com.jogamp.opengl.util.Animator;
 
@@ -52,17 +51,11 @@ public class TestSharedContextListNEWT extends UITestCase {
     static GLProfile glp;
     static GLCapabilities caps;
     static int width, height;
-    GLPbuffer sharedDrawable;
+    GLOffscreenAutoDrawable sharedDrawable;
     Gears sharedGears;
 
     @BeforeClass
     public static void initClass() {
-        if(Platform.CPUFamily.X86 != Platform.CPU_ARCH.family) { // FIXME
-            // FIXME: Turns out on some mobile GL drivers and platforms 
-            // using shared context is instable, Linux ARM (Omap4, Tegra2, Mesa3d, ..)
-            setTestSupported(false);
-            return;
-        }
         if(GLProfile.isAvailable(GLProfile.GL2)) {
             glp = GLProfile.get(GLProfile.GL2);
             Assert.assertNotNull(glp);
@@ -76,7 +69,7 @@ public class TestSharedContextListNEWT extends UITestCase {
     }
 
     private void initShared() {
-        sharedDrawable = GLDrawableFactory.getFactory(glp).createGLPbuffer(null, caps, null, width, height, null);
+        sharedDrawable = GLDrawableFactory.getFactory(glp).createOffscreenAutoDrawable(null, caps, null, width, height, null);
         Assert.assertNotNull(sharedDrawable);
         sharedGears = new Gears();
         Assert.assertNotNull(sharedGears);
@@ -134,16 +127,11 @@ public class TestSharedContextListNEWT extends UITestCase {
         }
         animator.stop();
 
-        // here we go again: On AMD/X11 the create/destroy sequence must be the same
-        // even though this is against the chicken/egg logic here ..
-        releaseShared();
-
         f1.destroy();
         f2.destroy();
         f3.destroy();
 
-        // see above ..
-        // releaseShared();
+        releaseShared();
     }
 
     static long duration = 500; // ms
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextListNEWT2.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextListNEWT2.java
index 7dca314bd..7893c51f1 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextListNEWT2.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextListNEWT2.java
@@ -30,7 +30,6 @@ package com.jogamp.opengl.test.junit.jogl.acore;
 
 import java.io.IOException;
 
-import com.jogamp.common.os.Platform;
 import com.jogamp.newt.opengl.GLWindow;
 
 import javax.media.nativewindow.util.InsetsImmutable;
@@ -55,12 +54,6 @@ public class TestSharedContextListNEWT2 extends UITestCase {
 
     @BeforeClass
     public static void initClass() {
-        if(Platform.CPUFamily.X86 != Platform.CPU_ARCH.family) { // FIXME
-            // FIXME: Turns out on some mobile GL drivers and platforms 
-            // using shared context is instable, Linux ARM (Omap4, Tegra2, Mesa3d, ..)
-            setTestSupported(false);
-            return;
-        }
         if(GLProfile.isAvailable(GLProfile.GL2)) {
             glp = GLProfile.get(GLProfile.GL2);
             Assert.assertNotNull(glp);
@@ -135,16 +128,11 @@ public class TestSharedContextListNEWT2 extends UITestCase {
 			e.printStackTrace();
 		}
 
-        // here we go again: On AMD/X11 the create/destroy sequence must be the same
-        // even though this is against the chicken/egg logic here ..
-        releaseShared();
-
         f1.destroy();
         f2.destroy();
         f3.destroy();
 
-        // see above ..
-        // releaseShared();
+        releaseShared();
     }
 
     static long duration = 2000; // ms
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextNewtAWTBug523.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextNewtAWTBug523.java
index bc2eddb9a..7894f3e86 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextNewtAWTBug523.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextNewtAWTBug523.java
@@ -45,7 +45,7 @@ import javax.media.opengl.GLCapabilities;
 import javax.media.opengl.GLContext;
 import javax.media.opengl.GLDrawableFactory;
 import javax.media.opengl.GLEventListener;
-import javax.media.opengl.GLPbuffer;
+import javax.media.opengl.GLOffscreenAutoDrawable;
 import javax.media.opengl.GLProfile;
 import javax.media.opengl.awt.GLCanvas;
 import javax.media.opengl.glu.GLU;
@@ -64,7 +64,6 @@ import org.junit.BeforeClass;
 import org.junit.Test;
 
 import com.jogamp.common.nio.Buffers;
-import com.jogamp.common.os.Platform;
 import com.jogamp.newt.awt.NewtCanvasAWT;
 import com.jogamp.newt.opengl.GLWindow;
 import com.jogamp.opengl.test.junit.util.AWTRobotUtil;
@@ -118,26 +117,20 @@ public class TestSharedContextNewtAWTBug523 extends UITestCase {
 
     @BeforeClass
     public static void initClass() {
-        if(Platform.CPUFamily.X86 != Platform.CPU_ARCH.family) { // FIXME
-            // FIXME: Turns out on some mobile GL drivers and platforms 
-            // using shared context is instable, Linux ARM (Omap4, Tegra2, Mesa3d, ..)
-            setTestSupported(false);
-            return;
-        }
         if(!GLProfile.isAvailable(GLProfile.GL2)) {
             setTestSupported(false);
         }
     }
     
-    static private GLPbuffer initShared(GLCapabilities caps) {
-        GLPbuffer sharedDrawable = GLDrawableFactory.getFactory(caps.getGLProfile()).createGLPbuffer(null, caps, null, 64, 64, null);
+    static private GLOffscreenAutoDrawable initShared(GLCapabilities caps) {
+        final GLOffscreenAutoDrawable sharedDrawable = GLDrawableFactory.getFactory(caps.getGLProfile()).createOffscreenAutoDrawable(null, caps, null, 64, 64, null);        
         Assert.assertNotNull(sharedDrawable);
         // init and render one frame, which will setup the Gears display lists
         sharedDrawable.display();
         return sharedDrawable;
     }
 
-    static private void releaseShared(GLPbuffer sharedDrawable) {
+    static private void releaseShared(GLOffscreenAutoDrawable sharedDrawable) {
         if(null != sharedDrawable) {
             sharedDrawable.destroy();
         }
@@ -522,7 +515,7 @@ public class TestSharedContextNewtAWTBug523 extends UITestCase {
         glCapabilities.setSampleBuffers(true);
         glCapabilities.setNumSamples(4);
 
-        final GLPbuffer sharedDrawable;
+        final GLOffscreenAutoDrawable sharedDrawable;
         final GLContext sharedContext; 
         if(shareContext) {
             sharedDrawable = initShared(glCapabilities);
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextVBOES1NEWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextVBOES1NEWT.java
index 707bd5a9b..6f108d862 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextVBOES1NEWT.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextVBOES1NEWT.java
@@ -28,13 +28,12 @@
  
 package com.jogamp.opengl.test.junit.jogl.acore;
 
-import com.jogamp.common.os.Platform;
 import com.jogamp.newt.opengl.GLWindow;
 
 import javax.media.nativewindow.util.InsetsImmutable;
 import javax.media.opengl.GLCapabilities;
 import javax.media.opengl.GLDrawableFactory;
-import javax.media.opengl.GLPbuffer;
+import javax.media.opengl.GLOffscreenAutoDrawable;
 import javax.media.opengl.GLProfile;
 import com.jogamp.opengl.util.Animator;
 
@@ -50,17 +49,11 @@ public class TestSharedContextVBOES1NEWT extends UITestCase {
     static GLProfile glp;
     static GLCapabilities caps;
     static int width, height;
-    GLPbuffer sharedDrawable;
+    GLOffscreenAutoDrawable sharedDrawable;
     GearsES1 sharedGears;
 
     @BeforeClass
     public static void initClass() {
-        if(Platform.CPUFamily.X86 != Platform.CPU_ARCH.family) { // FIXME
-            // FIXME: Turns out on some mobile GL drivers and platforms 
-            // using shared context is instable, Linux ARM (Omap4, Tegra2, Mesa3d, ..)
-            setTestSupported(false);
-            return;
-        }
         if(GLProfile.isAvailable(GLProfile.GL2ES1)) {
             glp = GLProfile.get(GLProfile.GL2ES1);
             Assert.assertNotNull(glp);
@@ -74,7 +67,7 @@ public class TestSharedContextVBOES1NEWT extends UITestCase {
     }
 
     private void initShared() {
-        sharedDrawable = GLDrawableFactory.getFactory(glp).createGLPbuffer(null, caps, null, width, height, null);
+        sharedDrawable = GLDrawableFactory.getFactory(glp).createOffscreenAutoDrawable(null, caps, null, width, height, null);        
         Assert.assertNotNull(sharedDrawable);
         sharedGears = new GearsES1();
         Assert.assertNotNull(sharedGears);
@@ -132,16 +125,11 @@ public class TestSharedContextVBOES1NEWT extends UITestCase {
         }
         animator.stop();
 
-        // here we go again: On AMD/X11 the create/destroy sequence must be the same
-        // even though this is agains the chicken/egg logic here ..
-        releaseShared();
-
         f1.destroy();
         f2.destroy();
         f3.destroy();
 
-        // see above ..
-        // releaseShared();
+        releaseShared();
     }
 
     static long duration = 500; // ms
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextVBOES2NEWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextVBOES2NEWT.java
index ce2bd77e1..da91350f1 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextVBOES2NEWT.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextVBOES2NEWT.java
@@ -28,13 +28,12 @@
  
 package com.jogamp.opengl.test.junit.jogl.acore;
 
-import com.jogamp.common.os.Platform;
 import com.jogamp.newt.opengl.GLWindow;
 
 import javax.media.nativewindow.util.InsetsImmutable;
 import javax.media.opengl.GLCapabilities;
 import javax.media.opengl.GLDrawableFactory;
-import javax.media.opengl.GLPbuffer;
+import javax.media.opengl.GLOffscreenAutoDrawable;
 import javax.media.opengl.GLProfile;
 import com.jogamp.opengl.util.Animator;
 
@@ -50,17 +49,11 @@ public class TestSharedContextVBOES2NEWT extends UITestCase {
     static GLProfile glp;
     static GLCapabilities caps;
     static int width, height;
-    GLPbuffer sharedDrawable;
+    GLOffscreenAutoDrawable sharedDrawable;
     GearsES2 sharedGears;
 
     @BeforeClass
     public static void initClass() {
-        if(Platform.CPUFamily.X86 != Platform.CPU_ARCH.family) { // FIXME
-            // FIXME: Turns out on some mobile GL drivers and platforms 
-            // using shared context is instable, Linux ARM (Omap4, Tegra2, Mesa3d, ..)
-            setTestSupported(false);
-            return;
-        }
         if(GLProfile.isAvailable(GLProfile.GL2ES2)) {
             glp = GLProfile.get(GLProfile.GL2ES2);
             Assert.assertNotNull(glp);
@@ -74,7 +67,7 @@ public class TestSharedContextVBOES2NEWT extends UITestCase {
     }
 
     private void initShared() {
-        sharedDrawable = GLDrawableFactory.getFactory(glp).createGLPbuffer(null, caps, null, width, height, null);
+        sharedDrawable = GLDrawableFactory.getFactory(glp).createOffscreenAutoDrawable(null, caps, null, width, height, null);
         Assert.assertNotNull(sharedDrawable);
         sharedGears = new GearsES2();
         Assert.assertNotNull(sharedGears);
@@ -132,16 +125,11 @@ public class TestSharedContextVBOES2NEWT extends UITestCase {
         }
         animator.stop();
 
-        // here we go again: On AMD/X11 the create/destroy sequence must be the same
-        // even though this is agains the chicken/egg logic here ..
-        releaseShared();
-
         f1.destroy();
         f2.destroy();
         f3.destroy();
 
-        // see above ..
-        // releaseShared();
+        releaseShared();
     }
 
     static long duration = 500; // ms
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextVBOES2NEWT2.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextVBOES2NEWT2.java
index 8911e73ef..ee1a7311e 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextVBOES2NEWT2.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextVBOES2NEWT2.java
@@ -30,7 +30,6 @@ package com.jogamp.opengl.test.junit.jogl.acore;
 
 import java.io.IOException;
 
-import com.jogamp.common.os.Platform;
 import com.jogamp.newt.opengl.GLWindow;
 
 import javax.media.nativewindow.util.InsetsImmutable;
@@ -55,12 +54,6 @@ public class TestSharedContextVBOES2NEWT2 extends UITestCase {
 
     @BeforeClass
     public static void initClass() {
-        if(Platform.CPUFamily.X86 != Platform.CPU_ARCH.family) { // FIXME
-            // FIXME: Turns out on some mobile GL drivers and platforms 
-            // using shared context is instable, Linux ARM (Omap4, Tegra2, Mesa3d, ..)
-            setTestSupported(false);
-            return;
-        }
         if(GLProfile.isAvailable(GLProfile.GL2ES2)) {
             glp = GLProfile.get(GLProfile.GL2ES2);
             Assert.assertNotNull(glp);
@@ -136,16 +129,11 @@ public class TestSharedContextVBOES2NEWT2 extends UITestCase {
 			e.printStackTrace();
 		}
 
-        // here we go again: On AMD/X11 the create/destroy sequence must be the same
-        // even though this is against the chicken/egg logic here ..
-        releaseShared();
-
         f1.destroy();
         f2.destroy();
         f3.destroy();
 
-        // see above ..
-        // releaseShared();
+        releaseShared();
     }
 
     static long duration = 2000; // ms
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/awt/TestBug461FBOSupersamplingSwingAWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/awt/TestBug461FBOSupersamplingSwingAWT.java
new file mode 100644
index 000000000..42949afef
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/awt/TestBug461FBOSupersamplingSwingAWT.java
@@ -0,0 +1,159 @@
+/**
+ * Copyright 2011 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ * 
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ * 
+ *    2. Redistributions 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.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+
+package com.jogamp.opengl.test.junit.jogl.awt;
+
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+ 
+import java.awt.image.BufferedImage;
+import java.lang.reflect.InvocationTargetException;
+
+import javax.media.opengl.GL;
+import javax.media.opengl.GL2;
+import javax.media.opengl.GLAutoDrawable;
+import javax.media.opengl.GLCapabilities;
+import javax.media.opengl.GLDrawableFactory;
+import javax.media.opengl.GLEventListener;
+import javax.media.opengl.GLOffscreenAutoDrawable;
+import javax.media.opengl.GLProfile;
+import javax.swing.ImageIcon;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import com.jogamp.opengl.test.junit.util.UITestCase;
+
+/**
+ * Tests for bug 461, a failure of GLDrawableFactory.createGLPbuffer() on Windows
+ * when the stencil buffer is turned on.
+ *
+ * @author Wade Walker (from code sample provided by Owen Dimond)
+ */
+@SuppressWarnings("deprecation")
+public class TestBug461FBOSupersamplingSwingAWT extends UITestCase implements GLEventListener {
+    JFrame jframe;
+    GLOffscreenAutoDrawable offScreenBuffer;
+    
+    private void render(GLAutoDrawable drawable) {
+        GL2 gl = drawable.getGL().getGL2();
+        Assert.assertNotNull(gl);
+        gl.glClear(GL.GL_COLOR_BUFFER_BIT);      
+
+        // draw a triangle filling the window
+        gl.glBegin(GL.GL_TRIANGLES);
+        gl.glColor3f(1, 0, 0);
+        gl.glVertex2d(-1, -1);
+        gl.glColor3f(0, 1, 0);
+        gl.glVertex2d(0, 1);
+        gl.glColor3f(0, 0, 1);
+        gl.glVertex2d(1, -1);
+        gl.glEnd();
+    }
+    
+    /* @Override */
+    public void init(GLAutoDrawable drawable) {                        
+    }
+
+    /* @Override */
+    public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
+    }    
+    
+    /* @Override */
+    public void display(GLAutoDrawable drawable) {             
+        render(offScreenBuffer);
+        BufferedImage outputImage = com.jogamp.opengl.util.awt.Screenshot.readToBufferedImage(200, 200, false);        
+        Assert.assertNotNull(outputImage);
+        ImageIcon imageIcon = new ImageIcon(outputImage);
+        JLabel imageLabel = new JLabel(imageIcon);        
+        jframe.getContentPane().add(imageLabel);
+    }
+
+    /* @Override */
+    public void dispose(GLAutoDrawable drawable) {  
+        try {
+            javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
+                public void run() {
+                    jframe.setVisible(false);
+                    jframe.dispose();
+                }});
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Test
+    public void testOffscreenSupersampling() throws InterruptedException, InvocationTargetException {
+        jframe = new JFrame("Offscreen Supersampling");
+        Assert.assertNotNull(jframe);
+        jframe.setSize( 300, 300);
+        jframe.addWindowListener(new WindowAdapter() {
+            public void windowClosing(WindowEvent e) {
+                System.exit(0);
+            }
+        });
+
+        GLProfile glp = GLProfile.get(GLProfile.GL2);
+        Assert.assertNotNull(glp);
+        
+        GLDrawableFactory fac = GLDrawableFactory.getFactory(glp);
+        Assert.assertNotNull(fac);
+        
+        Assert.assertTrue( fac.canCreateGLPbuffer(GLProfile.getDefaultDevice()) );
+        
+        GLCapabilities glCap = new GLCapabilities(glp);
+        Assert.assertNotNull(glCap);
+        
+        // COMMENTING OUT THIS LINE FIXES THE ISSUE. 
+        // Setting this in JOGL1 works. Thus this is a JOGL2 issue.
+        glCap.setSampleBuffers(true);
+      
+        // Without line below, there is an error on Windows.
+        glCap.setDoubleBuffered(false);
+        // Needed for drop shadows
+        glCap.setStencilBits(1);
+
+        //makes a new buffer
+        offScreenBuffer = fac.createOffscreenAutoDrawable(GLProfile.getDefaultDevice(), glCap, null, 200, 200, null);
+        Assert.assertNotNull(offScreenBuffer);
+        offScreenBuffer.addGLEventListener(this);        
+        offScreenBuffer.display();
+        javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
+            public void run() {
+                jframe.setVisible(true);
+            }});
+        offScreenBuffer.destroy();
+    }
+
+    public static void main(String args[]) {
+        org.junit.runner.JUnitCore.main(TestBug461FBOSupersamplingSwingAWT.class.getName());
+    }
+}
+
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/awt/TestBug461OffscreenSupersamplingSwingAWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/awt/TestBug461PBufferSupersamplingSwingAWT.java
index 6a315c67d..5b7052c37 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/awt/TestBug461OffscreenSupersamplingSwingAWT.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/awt/TestBug461PBufferSupersamplingSwingAWT.java
@@ -57,7 +57,8 @@ import com.jogamp.opengl.test.junit.util.UITestCase;
  *
  * @author Wade Walker (from code sample provided by Owen Dimond)
  */
-public class TestBug461OffscreenSupersamplingSwingAWT extends UITestCase implements GLEventListener {
+@SuppressWarnings("deprecation")
+public class TestBug461PBufferSupersamplingSwingAWT extends UITestCase implements GLEventListener {
     JFrame jframe;
     GLPbuffer offScreenBuffer;
     
@@ -148,10 +149,11 @@ public class TestBug461OffscreenSupersamplingSwingAWT extends UITestCase impleme
             public void run() {
                 jframe.setVisible(true);
             }});
+        offScreenBuffer.destroy();
     }
 
     public static void main(String args[]) {
-        org.junit.runner.JUnitCore.main(TestBug461OffscreenSupersamplingSwingAWT.class.getName());
+        org.junit.runner.JUnitCore.main(TestBug461PBufferSupersamplingSwingAWT.class.getName());
     }
 }
 
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/caps/TestMultisampleES1AWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/caps/TestMultisampleES1AWT.java
index 478bd4543..c5bdfb5f3 100755
--- a/src/test/com/jogamp/opengl/test/junit/jogl/caps/TestMultisampleES1AWT.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/caps/TestMultisampleES1AWT.java
@@ -108,7 +108,7 @@ public class TestMultisampleES1AWT extends UITestCase {
         public void init(GLAutoDrawable drawable) {}
         public void dispose(GLAutoDrawable drawable) {}
         public void display(GLAutoDrawable drawable) {
-            snapshot(getSimpleTestName("."), displayCount++, null, drawable.getGL(), screenshot, TextureIO.PNG, null);
+            snapshot(displayCount++, null, drawable.getGL(), screenshot, TextureIO.PNG, null);
         }
         public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { }
     });
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/caps/TestMultisampleES1NEWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/caps/TestMultisampleES1NEWT.java
index ed8e2bd85..5bbd6737c 100755
--- a/src/test/com/jogamp/opengl/test/junit/jogl/caps/TestMultisampleES1NEWT.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/caps/TestMultisampleES1NEWT.java
@@ -133,7 +133,7 @@ public class TestMultisampleES1NEWT extends UITestCase {
         public void init(GLAutoDrawable drawable) {}
         public void dispose(GLAutoDrawable drawable) {}
         public void display(GLAutoDrawable drawable) {
-            snapshot(getSimpleTestName("."), displayCount++, null, drawable.getGL(), screenshot, TextureIO.PNG, null);
+            snapshot(displayCount++, null, drawable.getGL(), screenshot, TextureIO.PNG, null);
         }
         public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { }
     });
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/caps/TestMultisampleES2NEWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/caps/TestMultisampleES2NEWT.java
index 02fcae6ef..c2e3215ae 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/caps/TestMultisampleES2NEWT.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/caps/TestMultisampleES2NEWT.java
@@ -126,7 +126,7 @@ public class TestMultisampleES2NEWT extends UITestCase {
         public void init(GLAutoDrawable drawable) {}
         public void dispose(GLAutoDrawable drawable) {}
         public void display(GLAutoDrawable drawable) {
-            snapshot(getSimpleTestName("."), displayCount++, null, drawable.getGL(), screenshot, TextureIO.PNG, null);
+            snapshot(displayCount++, null, drawable.getGL(), screenshot, TextureIO.PNG, null);
         }
         public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { }
     });
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/demos/es1/GearsES1.java b/src/test/com/jogamp/opengl/test/junit/jogl/demos/es1/GearsES1.java
index e81d1b4af..40b351a75 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/demos/es1/GearsES1.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/demos/es1/GearsES1.java
@@ -24,6 +24,7 @@ package com.jogamp.opengl.test.junit.jogl.demos.es1;
 import javax.media.nativewindow.NativeWindow;
 import javax.media.opengl.GL;
 import javax.media.opengl.GL2ES1;
+import javax.media.opengl.GL2ES2;
 import javax.media.opengl.GLAutoDrawable;
 import javax.media.opengl.GLEventListener;
 import javax.media.opengl.GLProfile;
@@ -93,11 +94,16 @@ public class GearsES1 implements GLEventListener {
     // GL2ES1 gl = FixedFuncUtil.wrapFixedFuncEmul(_gl /*, true*/);
     GL2ES1 gl = _gl.getGL2ES1();
     
+    System.err.println("GearsES1 init on "+Thread.currentThread());
     System.err.println("Chosen GLCapabilities: " + drawable.getChosenGLCapabilities());
     System.err.println("INIT GL IS: " + gl.getClass().getName());
     System.err.println("GL_VENDOR: " + gl.glGetString(GL.GL_VENDOR));
     System.err.println("GL_RENDERER: " + gl.glGetString(GL.GL_RENDERER));
     System.err.println("GL_VERSION: " + gl.glGetString(GL.GL_VERSION));
+    System.err.println("GL GLSL: "+gl.hasGLSL()+", has-compiler: "+gl.isFunctionAvailable("glCompileShader")+", version "+(gl.hasGLSL() ? gl.glGetString(GL2ES2.GL_SHADING_LANGUAGE_VERSION) : "none"));
+    System.err.println("GL FBO: basic "+ gl.hasBasicFBOSupport()+", full "+gl.hasFullFBOSupport());
+    System.err.println("GL Profile: "+gl.getGLProfile());
+    System.err.println("GL:" + gl + ", " + gl.getContext().getGLVersion());
 
     gl.glLightfv(GL2ES1.GL_LIGHT0, GL2ES1.GL_POSITION, pos, 0);
     gl.glEnable(GL.GL_CULL_FACE);
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/demos/es1/RedSquareES1.java b/src/test/com/jogamp/opengl/test/junit/jogl/demos/es1/RedSquareES1.java
index 8d1c708af..84234d464 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/demos/es1/RedSquareES1.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/demos/es1/RedSquareES1.java
@@ -71,15 +71,16 @@ public class RedSquareES1 implements GLEventListener {
             } catch (Exception e) {e.printStackTrace();}
         }
 
-        System.err.println(Thread.currentThread()+"Chosen GLCapabilities: " + drawable.getChosenGLCapabilities());
-        System.err.println(Thread.currentThread()+"INIT GL IS: " + gl.getClass().getName());
-        System.err.println(Thread.currentThread()+"GL_VENDOR: " + gl.glGetString(GL.GL_VENDOR));
-        System.err.println(Thread.currentThread()+"GL_RENDERER: " + gl.glGetString(GL.GL_RENDERER));
-        System.err.println(Thread.currentThread()+"GL_VERSION: " + gl.glGetString(GL.GL_VERSION));
-        
-        System.err.println(Thread.currentThread()+" GL Profile: "+gl.getGLProfile());
-        System.err.println(Thread.currentThread()+" GL:" + gl);
-        System.err.println(Thread.currentThread()+" GL_VERSION=" + gl.glGetString(GL.GL_VERSION));
+        System.err.println("RedSquareES1 init on "+Thread.currentThread());
+        System.err.println("Chosen GLCapabilities: " + drawable.getChosenGLCapabilities());
+        System.err.println("INIT GL IS: " + gl.getClass().getName());
+        System.err.println("GL_VENDOR: " + gl.glGetString(GL.GL_VENDOR));
+        System.err.println("GL_RENDERER: " + gl.glGetString(GL.GL_RENDERER));
+        System.err.println("GL_VERSION: " + gl.glGetString(GL.GL_VERSION));
+        System.err.println("GL GLSL: "+gl.hasGLSL()+", has-compiler: "+gl.isFunctionAvailable("glCompileShader")+", version "+(gl.hasGLSL() ? gl.glGetString(GL2ES2.GL_SHADING_LANGUAGE_VERSION) : "none"));
+        System.err.println("GL FBO: basic "+ gl.hasBasicFBOSupport()+", full "+gl.hasFullFBOSupport());
+        System.err.println("GL Profile: "+gl.getGLProfile());
+        System.err.println("GL:" + gl + ", " + gl.getContext().getGLVersion());
 
         // Allocate vertex arrays
         colors   = Buffers.newDirectFloatBuffer(16);
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/FBOMix2DemosES2.java b/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/FBOMix2DemosES2.java
index 3dfbb4893..992f0261c 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/FBOMix2DemosES2.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/FBOMix2DemosES2.java
@@ -63,9 +63,8 @@ public class FBOMix2DemosES2 implements GLEventListener {
     
     public FBOMix2DemosES2(int swapInterval) {
         demo0 = new GearsES2(-1);
-        demo0.setIsFBOSlave(true);
+        demo0.setIgnoreFocus(true);
         demo1 = new RedSquareES2(-1);
-        demo1.setIsFBOSlave(true);
         this.swapInterval = swapInterval;
         
         st = new ShaderState();
@@ -245,6 +244,8 @@ public class FBOMix2DemosES2 implements GLEventListener {
         }
         interleavedVBO.enableBuffer(gl, true);
         
+        gl.glEnable(GL.GL_TEXTURE_2D);
+        
         gl.glDrawArrays(GL.GL_TRIANGLE_STRIP, 0, 4);
         
         interleavedVBO.enableBuffer(gl, false);
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/GearsES2.java b/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/GearsES2.java
index 38e8a15ce..d991e7635 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/GearsES2.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/GearsES2.java
@@ -64,8 +64,9 @@ public class GearsES2 implements GLEventListener {
     private KeyListener gearsKeys = new GearsKeyAdapter();
 
     private int prevMouseX, prevMouseY;
+    private boolean doRotate = true;
     private boolean isInitialized = false;
-    boolean isFBOSlave = false;
+    boolean ignoreFocus = false;
 
     public GearsES2(int swapInterval) {
         this.swapInterval = swapInterval;
@@ -75,7 +76,8 @@ public class GearsES2 implements GLEventListener {
         this.swapInterval = 1;
     }
 
-    public void setIsFBOSlave(boolean v) { isFBOSlave = v; }
+    public void setIgnoreFocus(boolean v) { ignoreFocus = v; }
+    public void setDoRotation(boolean rotate) { this.doRotate = rotate; }
     
     public void setPMVUseBackingArray(boolean pmvUseBackingArray) {
         this.pmvUseBackingArray = pmvUseBackingArray;
@@ -112,11 +114,16 @@ public class GearsES2 implements GLEventListener {
         System.err.println(Thread.currentThread()+" GearsES2.init ...");
         GL2ES2 gl = drawable.getGL().getGL2ES2();
 
+        System.err.println("GearsES2 init on "+Thread.currentThread());
         System.err.println("Chosen GLCapabilities: " + drawable.getChosenGLCapabilities());
         System.err.println("INIT GL IS: " + gl.getClass().getName());
         System.err.println("GL_VENDOR: " + gl.glGetString(GL.GL_VENDOR));
         System.err.println("GL_RENDERER: " + gl.glGetString(GL.GL_RENDERER));
         System.err.println("GL_VERSION: " + gl.glGetString(GL.GL_VERSION));
+        System.err.println("GL GLSL: "+gl.hasGLSL()+", has-compiler: "+gl.isFunctionAvailable("glCompileShader")+", version "+(gl.hasGLSL() ? gl.glGetString(GL2ES2.GL_SHADING_LANGUAGE_VERSION) : "none"));
+        System.err.println("GL FBO: basic "+ gl.hasBasicFBOSupport()+", full "+gl.hasFullFBOSupport());
+        System.err.println("GL Profile: "+gl.getGLProfile());
+        System.err.println("GL:" + gl + ", " + gl.getContext().getGLVersion());
 
         gl.glEnable(GL.GL_DEPTH_TEST);
         
@@ -247,7 +254,9 @@ public class GearsES2 implements GLEventListener {
 
     public void display(GLAutoDrawable drawable) {
         // Turn the gears' teeth
-        angle += 2.0f;
+        if(doRotate) {
+            angle += 2.0f;
+        }
 
         // Get the GL corresponding to the drawable we are animating
         GL2ES2 gl = drawable.getGL().getGL2ES2();
@@ -262,7 +271,7 @@ public class GearsES2 implements GLEventListener {
         
         gl.glEnable(GL.GL_CULL_FACE);
         
-        if( isFBOSlave || hasFocus ) {
+        if( ignoreFocus || hasFocus ) {
           gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
         } else {
           gl.glClearColor(0.2f, 0.2f, 0.2f, 0.0f);
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/Mix2TexturesES2.java b/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/Mix2TexturesES2.java
new file mode 100644
index 000000000..26e7e234a
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/Mix2TexturesES2.java
@@ -0,0 +1,216 @@
+/**
+ * Copyright (C) 2011 JogAmp Community. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+package com.jogamp.opengl.test.junit.jogl.demos.es2;
+
+import java.nio.FloatBuffer;
+
+import javax.media.opengl.GL;
+import javax.media.opengl.GL2ES2;
+import javax.media.opengl.GLAutoDrawable;
+import javax.media.opengl.GLEventListener;
+import javax.media.opengl.GLUniformData;
+import javax.media.opengl.fixedfunc.GLMatrixFunc;
+
+import com.jogamp.opengl.util.GLArrayDataServer;
+import com.jogamp.opengl.util.PMVMatrix;
+import com.jogamp.opengl.util.glsl.ShaderCode;
+import com.jogamp.opengl.util.glsl.ShaderProgram;
+import com.jogamp.opengl.util.glsl.ShaderState;
+
+public class Mix2TexturesES2 implements GLEventListener {
+    private final int swapInterval;
+    
+    private final ShaderState st;
+    private final PMVMatrix pmvMatrix;
+    private final GLUniformData texUnit0, texUnit1;
+    
+    private volatile int texID0, texID1;
+    private ShaderProgram sp0;
+    private GLUniformData pmvMatrixUniform;
+    private GLArrayDataServer interleavedVBO;
+    
+    public Mix2TexturesES2(int swapInterval, int texUnit0, int texUnit1) {
+        this.swapInterval = swapInterval;
+        
+        st = new ShaderState();
+        // st.setVerbose(true);        
+        pmvMatrix = new PMVMatrix();
+        
+        if(0 == texUnit1) {
+            this.texUnit0 = new GLUniformData("mgl_ActiveTexture", texUnit0);
+            this.texUnit1 = null;
+        } else {
+            this.texUnit0 = new GLUniformData("mgl_Texture0", texUnit0);
+            this.texUnit1 = new GLUniformData("mgl_Texture1", texUnit1);
+        }
+        this.texID0 = 0;
+        this.texID1 = 0;
+    }
+    
+    public void setTexID0(int texID) {
+        this.texID0 = texID;
+    }
+    public void setTexID1(int texID) {
+        this.texID1 = texID;
+    }
+        
+    static final String[] es2_prelude = { "#version 100\n", "precision mediump float;\n" };
+    static final String gl2_prelude = "#version 110\n";
+    
+    @Override
+    public void init(GLAutoDrawable drawable) {
+        final GL2ES2 gl = drawable.getGL().getGL2ES2();
+        
+        final ShaderCode vp0 = ShaderCode.create(gl, GL2ES2.GL_VERTEX_SHADER, Mix2TexturesES2.class, "shader",
+                "shader/bin", "texture01_xxx", true);
+        final ShaderCode fp0 = ShaderCode.create(gl, GL2ES2.GL_FRAGMENT_SHADER, Mix2TexturesES2.class, "shader",
+                "shader/bin", null == texUnit1 ? "texture01_xxx" : "texture02_xxx", true);
+        
+        // Prelude shader code w/ GLSL profile specifics [ 1. pre-proc, 2. other ]
+        int fp0Pos;
+        if(gl.isGLES2()) {
+            vp0.insertShaderSource(0, 0, es2_prelude[0]);
+            fp0Pos = fp0.insertShaderSource(0, 0, es2_prelude[0]);
+        } else {
+            vp0.insertShaderSource(0, 0, gl2_prelude);
+            fp0Pos = fp0.insertShaderSource(0, 0, gl2_prelude);
+        }
+        if(gl.isGLES2()) {
+            fp0Pos = fp0.insertShaderSource(0, fp0Pos, es2_prelude[1]);
+        }        
+        
+        sp0 = new ShaderProgram();
+        sp0.add(gl, vp0, System.err);
+        sp0.add(gl, fp0, System.err);       
+        st.attachShaderProgram(gl, sp0, true);
+        
+        pmvMatrixUniform = new GLUniformData("mgl_PMVMatrix", 4, 4, pmvMatrix.glGetPMvMatrixf());
+        st.ownUniform(pmvMatrixUniform);       
+        st.uniform(gl, pmvMatrixUniform);
+        
+        interleavedVBO = GLArrayDataServer.createGLSLInterleaved(3+4+2, GL.GL_FLOAT, false, 3*4, GL.GL_STATIC_DRAW);
+        {        
+            interleavedVBO.addGLSLSubArray("mgl_Vertex",        3, GL.GL_ARRAY_BUFFER);            
+            interleavedVBO.addGLSLSubArray("mgl_Color",         4, GL.GL_ARRAY_BUFFER);            
+            //interleavedVBO.addGLSLSubArray("mgl_Normal",        3, GL.GL_ARRAY_BUFFER);
+            interleavedVBO.addGLSLSubArray("mgl_MultiTexCoord", 2, GL.GL_ARRAY_BUFFER);
+
+            FloatBuffer ib = (FloatBuffer)interleavedVBO.getBuffer();
+            
+            for(int i=0; i<4; i++) {
+                ib.put(s_quadVertices,  i*3, 3);
+                ib.put(s_quadColors,    i*4, 4);  
+                //ib.put(s_cubeNormals,   i*3, 3);
+                ib.put(s_quadTexCoords, i*2, 2);
+            }                        
+        }
+        interleavedVBO.seal(gl, true);
+        interleavedVBO.enableBuffer(gl, false);
+        st.ownAttribute(interleavedVBO, true);
+                
+        st.ownUniform(texUnit0);
+        st.uniform(gl, texUnit0);
+        if(null != texUnit1) {
+            st.ownUniform(texUnit1);       
+            st.uniform(gl, texUnit1);
+        }
+        
+        st.useProgram(gl, false);        
+    }
+    
+    @Override
+    public void dispose(GLAutoDrawable drawable) {
+        final GL2ES2 gl = drawable.getGL().getGL2ES2();
+        st.destroy(gl);
+        
+        sp0 = null;
+        pmvMatrixUniform = null;
+        interleavedVBO = null;
+    }
+
+    @Override
+    public void display(GLAutoDrawable drawable) {
+        final GL2ES2 gl = drawable.getGL().getGL2ES2();
+
+        st.useProgram(gl, true);
+        gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
+        gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
+        
+        interleavedVBO.enableBuffer(gl, true);
+        
+        if(0<texID0) {
+            gl.glActiveTexture(GL.GL_TEXTURE0 + texUnit0.intValue());
+            gl.glBindTexture(GL.GL_TEXTURE_2D, texID0);
+        }
+        
+        if(0<texID1 && null != texUnit1) {
+            gl.glActiveTexture(GL.GL_TEXTURE0 + texUnit1.intValue());
+            gl.glBindTexture(GL.GL_TEXTURE_2D, texID1);
+        }
+        
+        gl.glEnable(GL.GL_TEXTURE_2D);
+        
+        gl.glDrawArrays(GL.GL_TRIANGLE_STRIP, 0, 4);
+        
+        interleavedVBO.enableBuffer(gl, false);
+        
+        st.useProgram(gl, false);        
+    }
+
+    @Override
+    public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
+        final GL2ES2 gl = drawable.getGL().getGL2ES2();
+        
+        if(-1 != swapInterval) {        
+            gl.setSwapInterval(swapInterval); // in case switching the drawable (impl. may bound attribute there)
+        }
+        
+        pmvMatrix.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
+        pmvMatrix.glLoadIdentity();
+        pmvMatrix.glOrthof(-1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 10.0f);
+
+        pmvMatrix.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
+        pmvMatrix.glLoadIdentity();
+        
+        st.useProgram(gl, true);
+        st.uniform(gl, pmvMatrixUniform);
+        st.useProgram(gl, false);
+        
+    }
+
+    private static final float[] s_quadVertices = { 
+      -1f, -1f, 0f, // LB
+       1f, -1f, 0f, // RB
+      -1f,  1f, 0f, // LT
+       1f,  1f, 0f  // RT 
+    };
+    private static final float[] s_quadColors = { 
+      1f, 1f, 1f, 1f,
+      1f, 1f, 1f, 1f,
+      1f, 1f, 1f, 1f,
+      1f, 1f, 1f, 1f };
+    private static final float[] s_quadTexCoords = { 
+            0f, 0f, // LB
+            1f, 0f, // RB
+            0f, 1f, // LT   
+            1f, 1f  // RT
+    };
+}
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/RedSquareES2.java b/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/RedSquareES2.java
index a956fe1e4..9629d2102 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/RedSquareES2.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/RedSquareES2.java
@@ -51,7 +51,6 @@ public class RedSquareES2 implements GLEventListener {
     float aspect = 1.0f;
     boolean doRotate = true;
     boolean isInitialized = false;
-    boolean isFBOSlave = false;
 
     public RedSquareES2(int swapInterval) {
         this.swapInterval = swapInterval;
@@ -61,7 +60,6 @@ public class RedSquareES2 implements GLEventListener {
         this.swapInterval = 1;
     }
         
-    public void setIsFBOSlave(boolean v) { isFBOSlave = v; }
     public void setAspect(float aspect) { this.aspect = aspect; }
     public void setDoRotation(boolean rotate) { this.doRotate = rotate; }
     
@@ -74,15 +72,16 @@ public class RedSquareES2 implements GLEventListener {
         System.err.println(Thread.currentThread()+" RedSquareES2.init ...");
         GL2ES2 gl = glad.getGL().getGL2ES2();
         
-        System.err.println(Thread.currentThread()+"Chosen GLCapabilities: " + glad.getChosenGLCapabilities());
-        System.err.println(Thread.currentThread()+"INIT GL IS: " + gl.getClass().getName());
-        System.err.println(Thread.currentThread()+"GL_VENDOR: " + gl.glGetString(GL.GL_VENDOR));
-        System.err.println(Thread.currentThread()+"GL_RENDERER: " + gl.glGetString(GL.GL_RENDERER));
-        System.err.println(Thread.currentThread()+"GL_VERSION: " + gl.glGetString(GL.GL_VERSION));
-        
-        System.err.println(Thread.currentThread()+" GL Profile: "+gl.getGLProfile());
-        System.err.println(Thread.currentThread()+" GL:" + gl);
-        System.err.println(Thread.currentThread()+" GL_VERSION=" + gl.glGetString(GL.GL_VERSION));
+        System.err.println("RedSquareES2 init on "+Thread.currentThread());
+        System.err.println("Chosen GLCapabilities: " + glad.getChosenGLCapabilities());
+        System.err.println("INIT GL IS: " + gl.getClass().getName());
+        System.err.println("GL_VENDOR: " + gl.glGetString(GL.GL_VENDOR));
+        System.err.println("GL_RENDERER: " + gl.glGetString(GL.GL_RENDERER));
+        System.err.println("GL_VERSION: " + gl.glGetString(GL.GL_VERSION));
+        System.err.println("GL GLSL: "+gl.hasGLSL()+", has-compiler: "+gl.isFunctionAvailable("glCompileShader")+", version "+(gl.hasGLSL() ? gl.glGetString(GL2ES2.GL_SHADING_LANGUAGE_VERSION) : "none"));
+        System.err.println("GL FBO: basic "+ gl.hasBasicFBOSupport()+", full "+gl.hasFullFBOSupport());
+        System.err.println("GL Profile: "+gl.getGLProfile());
+        System.err.println("GL:" + gl + ", " + gl.getContext().getGLVersion());
         
         st = new ShaderState();
         st.setVerbose(true);
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/awt/TestGearsES2AWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/awt/TestGearsES2AWT.java
index b3fdaa0ca..732036eb0 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/awt/TestGearsES2AWT.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/awt/TestGearsES2AWT.java
@@ -60,12 +60,12 @@ import org.junit.Test;
 
 public class TestGearsES2AWT extends UITestCase {
     static int width, height;
-    static boolean firstUIActionOnProcess = false;
     static boolean forceES2 = false;
     static boolean shallUseOffscreenLayer = false;
+    static boolean shallUseOffscreenPBufferLayer = false;
+    static boolean useMSAA = false;
     static boolean addComp = true;
     static int swapInterval = 1;
-    static boolean showFPS = false;    
 
     @BeforeClass
     public static void initClass() {
@@ -83,7 +83,6 @@ public class TestGearsES2AWT extends UITestCase {
 
         final GLCanvas glCanvas = new GLCanvas(caps);
         Assert.assertNotNull(glCanvas);
-        glCanvas.setShallUseOffscreenLayer(shallUseOffscreenLayer);
         Dimension glc_sz = new Dimension(width, height);
         glCanvas.setMinimumSize(glc_sz);
         glCanvas.setPreferredSize(glc_sz);
@@ -112,8 +111,8 @@ public class TestGearsES2AWT extends UITestCase {
                 frame.pack();
                 frame.setVisible(true);
             }});
-        animator.setUpdateFPSFrames(60, System.err);
         animator.start();
+        animator.setUpdateFPSFrames(60, System.err);
 
         while(!quitAdapter.shouldQuit() /* && animator.isAnimating() */ && animator.getTotalFPSDuration()<duration) {
             Thread.sleep(100);
@@ -136,7 +135,17 @@ public class TestGearsES2AWT extends UITestCase {
 
     @Test
     public void test01() throws InterruptedException, InvocationTargetException {
-        GLCapabilities caps = new GLCapabilities(forceES2 ? GLProfile.get(GLProfile.GLES2) : GLProfile.getGL2ES2());        
+        GLCapabilities caps = new GLCapabilities(forceES2 ? GLProfile.get(GLProfile.GLES2) : GLProfile.getGL2ES2());
+        if(useMSAA) {
+            caps.setNumSamples(4);
+            caps.setSampleBuffers(true);
+        }
+        if(shallUseOffscreenLayer) {
+            caps.setOnscreen(false);
+        }
+        if(shallUseOffscreenPBufferLayer) {
+            caps.setPBuffer(true);
+        }
         runTestGL(caps);
     }
 
@@ -158,10 +167,10 @@ public class TestGearsES2AWT extends UITestCase {
                 swapInterval = MiscUtils.atoi(args[i], swapInterval);
             } else if(args[i].equals("-layered")) {
                 shallUseOffscreenLayer = true;
-            } else if(args[i].equals("-showFPS")) {
-                showFPS = true;
-            } else if(args[i].equals("-firstUIAction")) {
-                firstUIActionOnProcess = true;
+            } else if(args[i].equals("-layeredPBuffer")) {
+                shallUseOffscreenPBufferLayer = true;
+            } else if(args[i].equals("-msaa")) {
+                useMSAA = true;
             } else if(args[i].equals("-wait")) {
                 waitForKey = true;
             } else if(args[i].equals("-justGears")) {
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/demos/gl2/Gears.java b/src/test/com/jogamp/opengl/test/junit/jogl/demos/gl2/Gears.java
index b3166b03b..9c1293e22 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/demos/gl2/Gears.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/demos/gl2/Gears.java
@@ -1,7 +1,9 @@
 
 package com.jogamp.opengl.test.junit.jogl.demos.gl2;
 
+import javax.media.opengl.GL;
 import javax.media.opengl.GL2;
+import javax.media.opengl.GL2ES2;
 import javax.media.opengl.GLAutoDrawable;
 import javax.media.opengl.GLEventListener;
 import javax.media.opengl.GLProfile;
@@ -71,11 +73,16 @@ public class Gears implements GLEventListener {
 
     GL2 gl = drawable.getGL().getGL2();
 
+    System.err.println("Gears (GL2) init on "+Thread.currentThread());
     System.err.println("Chosen GLCapabilities: " + drawable.getChosenGLCapabilities());
     System.err.println("INIT GL IS: " + gl.getClass().getName());
-    System.err.println("GL_VENDOR: " + gl.glGetString(GL2.GL_VENDOR));
-    System.err.println("GL_RENDERER: " + gl.glGetString(GL2.GL_RENDERER));
-    System.err.println("GL_VERSION: " + gl.glGetString(GL2.GL_VERSION));
+    System.err.println("GL_VENDOR: " + gl.glGetString(GL.GL_VENDOR));
+    System.err.println("GL_RENDERER: " + gl.glGetString(GL.GL_RENDERER));
+    System.err.println("GL_VERSION: " + gl.glGetString(GL.GL_VERSION));
+    System.err.println("GL GLSL: "+gl.hasGLSL()+", has-compiler: "+gl.isFunctionAvailable("glCompileShader")+", version "+(gl.hasGLSL() ? gl.glGetString(GL2ES2.GL_SHADING_LANGUAGE_VERSION) : "none"));
+    System.err.println("GL FBO: basic "+ gl.hasBasicFBOSupport()+", full "+gl.hasFullFBOSupport());
+    System.err.println("GL Profile: "+gl.getGLProfile());
+    System.err.println("GL:" + gl + ", " + gl.getContext().getGLVersion());
 
     float pos[] = { 5.0f, 5.0f, 10.0f, 0.0f };
     float red[] = { 0.8f, 0.1f, 0.0f, 0.7f };
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/demos/gl2/awt/TestGLJPanelAWTBug450.java b/src/test/com/jogamp/opengl/test/junit/jogl/demos/gl2/awt/TestGLJPanelAWTBug450.java
index 4f97feb4f..bd9b7cae7 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/demos/gl2/awt/TestGLJPanelAWTBug450.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/demos/gl2/awt/TestGLJPanelAWTBug450.java
@@ -117,7 +117,7 @@ public class TestGLJPanelAWTBug450 extends UITestCase {
                 }
                 if(0 == f) {
                     System.err.println("BGR ("+r_x+"/"+r_y+"): "+byte0+", "+byte1+", "+byte2+" - OK "+(!failed));
-                    snapshot(getSimpleTestName("."), f, null, gl, screenshot, TextureIO.PNG, null);
+                    snapshot(f, null, gl, screenshot, TextureIO.PNG, null);
                 }
                 f++;
             }
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/offscreen/ReadBufferBase.java b/src/test/com/jogamp/opengl/test/junit/jogl/offscreen/ReadBufferBase.java
index 4ef7b2719..f8e064a4e 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/offscreen/ReadBufferBase.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/offscreen/ReadBufferBase.java
@@ -70,7 +70,7 @@ public class ReadBufferBase implements GLEventListener {
 
         _gl.getContext().setGLReadDrawable(externalRead);
         if(_gl.isGL2GL3()) {
-            _gl.getGL2GL3().glReadBuffer(GL2GL3.GL_FRONT);
+            _gl.getGL2GL3().glReadBuffer(GL.GL_FRONT);
         }
         System.out.println("---------------------------");
         System.out.println(_gl.getContext());
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/swt/TestNewtCanvasSWTGLn.java b/src/test/com/jogamp/opengl/test/junit/jogl/swt/TestNewtCanvasSWTGLn.java
index 6a27e6f27..fe40cec28 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/swt/TestNewtCanvasSWTGLn.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/swt/TestNewtCanvasSWTGLn.java
@@ -139,7 +139,7 @@ public class TestNewtCanvasSWTGLn extends UITestCase {
            public void reshape(final GLAutoDrawable drawable, final int x, final int y, final int width, final int height) { }
            public void display(final GLAutoDrawable drawable) {
               if(displayCount < 3) {
-                  snapshot(getSimpleTestName("."), displayCount++, null, drawable.getGL(), screenshot, TextureIO.PNG, null);
+                  snapshot(displayCount++, null, drawable.getGL(), screenshot, TextureIO.PNG, null);
               }
            }
            public void dispose(final GLAutoDrawable drawable) { }
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/swt/TestSWTJOGLGLCanvas01GLn.java b/src/test/com/jogamp/opengl/test/junit/jogl/swt/TestSWTJOGLGLCanvas01GLn.java
index 4ca1dae0d..6d9e2219c 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/swt/TestSWTJOGLGLCanvas01GLn.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/swt/TestSWTJOGLGLCanvas01GLn.java
@@ -134,7 +134,7 @@ public class TestSWTJOGLGLCanvas01GLn extends UITestCase {
            public void reshape(final GLAutoDrawable drawable, final int x, final int y, final int width, final int height) { }
            public void display(final GLAutoDrawable drawable) {
               if(displayCount < 3) {
-                  snapshot(getSimpleTestName("."), displayCount++, null, drawable.getGL(), screenshot, TextureIO.PNG, null);
+                  snapshot(displayCount++, null, drawable.getGL(), screenshot, TextureIO.PNG, null);
               }
            }
            public void dispose(final GLAutoDrawable drawable) { }
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/TestGLReadBufferUtilTextureIOWrite01AWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/TestGLReadBufferUtilTextureIOWrite01AWT.java
index 6cee319ba..e2252d635 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/TestGLReadBufferUtilTextureIOWrite01AWT.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/TestGLReadBufferUtilTextureIOWrite01AWT.java
@@ -96,8 +96,8 @@ public class TestGLReadBufferUtilTextureIOWrite01AWT extends UITestCase {
             public void init(GLAutoDrawable drawable) {}
             public void dispose(GLAutoDrawable drawable) {}
             public void display(GLAutoDrawable drawable) {
-                snapshot(getSimpleTestName("."), f, null, drawable.getGL(), screenshotRGBA, TextureIO.PNG, null);
-                snapshot(getSimpleTestName("."), f, null,  drawable.getGL(), screenshotRGB, TextureIO.PNG, null);
+                snapshot(f, null, drawable.getGL(), screenshotRGBA, TextureIO.PNG, null);
+                snapshot(f, null, drawable.getGL(),  screenshotRGB, TextureIO.PNG, null);
                 f++;
             }
             public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { }
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/TestGLReadBufferUtilTextureIOWrite01NEWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/TestGLReadBufferUtilTextureIOWrite01NEWT.java
index 5681df0ad..16bd94cfe 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/TestGLReadBufferUtilTextureIOWrite01NEWT.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/TestGLReadBufferUtilTextureIOWrite01NEWT.java
@@ -75,12 +75,12 @@ public class TestGLReadBufferUtilTextureIOWrite01NEWT extends UITestCase {
             public void init(GLAutoDrawable drawable) {}
             public void dispose(GLAutoDrawable drawable) {}
             public void display(GLAutoDrawable drawable) {
-                snapshot(getSimpleTestName("."), f++, null, drawable.getGL(), screenshotRGBA, TextureIO.PNG, null);
-                snapshot(getSimpleTestName("."), f++, null,  drawable.getGL(), screenshotRGB, TextureIO.PNG, null);                
-                snapshot(getSimpleTestName("."), f++, null, drawable.getGL(), screenshotRGBA, TextureIO.TGA, null);
-                snapshot(getSimpleTestName("."), f++, null,  drawable.getGL(), screenshotRGB, TextureIO.TGA, null);                
-                snapshot(getSimpleTestName("."), f++, null, drawable.getGL(), screenshotRGBA, TextureIO.PAM, null);
-                snapshot(getSimpleTestName("."), f++, null,  drawable.getGL(), screenshotRGB, TextureIO.PAM, null);                
+                snapshot(f++, null, drawable.getGL(), screenshotRGBA, TextureIO.PNG, null);
+                snapshot(f++, null, drawable.getGL(),  screenshotRGB, TextureIO.PNG, null);                
+                snapshot(f++, null, drawable.getGL(), screenshotRGBA, TextureIO.TGA, null);
+                snapshot(f++, null, drawable.getGL(),  screenshotRGB, TextureIO.TGA, null);                
+                snapshot(f++, null, drawable.getGL(), screenshotRGBA, TextureIO.PAM, null);
+                snapshot(f++, null, drawable.getGL(),  screenshotRGB, TextureIO.PAM, null);                
             }
             public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { }
         });
@@ -103,8 +103,8 @@ public class TestGLReadBufferUtilTextureIOWrite01NEWT extends UITestCase {
             public void init(GLAutoDrawable drawable) {}
             public void dispose(GLAutoDrawable drawable) {}
             public void display(GLAutoDrawable drawable) {
-                snapshot(getSimpleTestName("."), f, null, drawable.getGL(), screenshotRGBA, TextureIO.PNG, null);
-                snapshot(getSimpleTestName("."), f, null,  drawable.getGL(), screenshotRGB, TextureIO.PNG, null);
+                snapshot(f, null, drawable.getGL(), screenshotRGBA, TextureIO.PNG, null);
+                snapshot(f, null, drawable.getGL(),  screenshotRGB, TextureIO.PNG, null);
                 f++;
             }
             public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { }
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/TestGLReadBufferUtilTextureIOWrite02AWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/TestGLReadBufferUtilTextureIOWrite02AWT.java
index 43641fe6d..bec55d868 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/TestGLReadBufferUtilTextureIOWrite02AWT.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/TestGLReadBufferUtilTextureIOWrite02AWT.java
@@ -111,7 +111,7 @@ public class TestGLReadBufferUtilTextureIOWrite02AWT extends UITestCase {
                 if(snap) {
                     System.err.println("XXX: ["+fw_old+", "+dw_old+"], "+fw+"x"+fh+", "+dw+"x"+dh+", sz_changed "+sz_changed+", snap "+snap);
                     c=0;
-                    snapshot(getSimpleTestName("."), i++, null, drawable.getGL(), screenshot, TextureIO.PNG, null);
+                    snapshot(i++, null, drawable.getGL(), screenshot, TextureIO.PNG, null);
                     dw_old = dw;
                     fw_old = fw;
                     Threading.invoke(true, new Runnable() {
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/TestGLReadBufferUtilTextureIOWrite02NEWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/TestGLReadBufferUtilTextureIOWrite02NEWT.java
index d1ffa84cf..36d905a2c 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/TestGLReadBufferUtilTextureIOWrite02NEWT.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/TestGLReadBufferUtilTextureIOWrite02NEWT.java
@@ -94,7 +94,7 @@ public class TestGLReadBufferUtilTextureIOWrite02NEWT extends UITestCase {
                 if(snap) {
                     System.err.println("XXX: ["+dw_old+"], "+dw+"x"+dh+", sz_changed "+sz_changed+", snap "+snap);
                     c=0;
-                    snapshot(getSimpleTestName("."), i++, null, drawable.getGL(), screenshot, TextureIO.PNG, null);
+                    snapshot(i++, null, drawable.getGL(), screenshot, TextureIO.PNG, null);
                     dw_old = dw;
                     new Thread() { 
                         @Override
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/TestPNGTextureFromFileAWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/TestPNGTextureFromFileAWT.java
index 0d4f2b01e..7dbccd5e0 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/TestPNGTextureFromFileAWT.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/TestPNGTextureFromFileAWT.java
@@ -140,7 +140,7 @@ public class TestPNGTextureFromFileAWT extends UITestCase {
                 // 1 snapshot
                 if(null!=((TextureDraw01Accessor)gle).getTexture() && !shot) {
                     shot = true;
-                    snapshot(getSimpleTestName("."), 0, null, drawable.getGL(), screenshot, TextureIO.PNG, null);
+                    snapshot(0, null, drawable.getGL(), screenshot, TextureIO.PNG, null);
                 }
             }
 
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/TestPNGTextureFromFileNEWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/TestPNGTextureFromFileNEWT.java
index b4faafbe7..e9ef9b9b6 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/TestPNGTextureFromFileNEWT.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/TestPNGTextureFromFileNEWT.java
@@ -112,7 +112,7 @@ public class TestPNGTextureFromFileNEWT extends UITestCase {
                 // 1 snapshot
                 if(null!=((TextureDraw01Accessor)gle).getTexture() && !shot) {
                     shot = true;
-                    snapshot(getSimpleTestName("."), 0, null, drawable.getGL(), screenshot, TextureIO.PNG, null);
+                    snapshot(0, null, drawable.getGL(), screenshot, TextureIO.PNG, null);
                 }
             }
             
diff --git a/src/test/com/jogamp/opengl/test/junit/newt/TestFocus01SwingAWTRobot.java b/src/test/com/jogamp/opengl/test/junit/newt/TestFocus01SwingAWTRobot.java
index bb67e77ea..592b00144 100644
--- a/src/test/com/jogamp/opengl/test/junit/newt/TestFocus01SwingAWTRobot.java
+++ b/src/test/com/jogamp/opengl/test/junit/newt/TestFocus01SwingAWTRobot.java
@@ -35,6 +35,7 @@ import org.junit.Assume;
 import java.awt.AWTException;
 import java.awt.BorderLayout;
 import java.awt.Button;
+import java.awt.Container;
 import java.awt.Robot;
 import java.lang.reflect.InvocationTargetException;
 
@@ -55,6 +56,15 @@ import com.jogamp.opengl.test.junit.jogl.demos.es2.RedSquareES2;
 
 import com.jogamp.opengl.test.junit.util.*;
 
+/**
+ * Testing focus traversal of an AWT component tree with {@link NewtCanvasAWT} attached.
+ * <p> 
+ * {@link JFrame} . {@link Container}+ . {@link NewtCanvasAWT} . {@link GLWindow}
+ * </p>
+ * <p>
+ * <i>+ Container is the JFrame's implicit root content pane</i><br/> 
+ * </p>
+ */
 public class TestFocus01SwingAWTRobot extends UITestCase {
     static int width, height;
     static long durationPerTest = 10;
@@ -125,6 +135,10 @@ public class TestFocus01SwingAWTRobot extends UITestCase {
         AWTKeyAdapter buttonKA = new AWTKeyAdapter("Button");
         button.addKeyListener(buttonKA);
         eventCountAdapters.add(buttonKA);
+        AWTMouseAdapter buttonMA = new AWTMouseAdapter("Button");
+        button.addMouseListener(buttonMA);
+        eventCountAdapters.add(buttonMA);
+        
         frame1.getContentPane().add(button, BorderLayout.NORTH);
         frame1.setSize(width, height);
         javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
@@ -158,13 +172,18 @@ public class TestFocus01SwingAWTRobot extends UITestCase {
         Assert.assertEquals(false, newtCanvasAWTFA.focusGained());
         System.err.println("FOCUS AWT  Button sync");
         AWTRobotUtil.assertKeyType(robot, java.awt.event.KeyEvent.VK_A, 2, button, buttonKA);
+        AWTRobotUtil.assertMouseClick(robot, java.awt.event.InputEvent.BUTTON1_MASK, 1, 
+                                      button, buttonMA);
+        AWTRobotUtil.assertMouseClick(robot, java.awt.event.InputEvent.BUTTON1_MASK, 2, 
+                                      button, buttonMA);
 
         // Request the AWT focus, which should automatically provide the NEWT window with focus.
         Thread.sleep(100); // allow event sync
         System.err.println("FOCUS NEWT Canvas/GLWindow request");
         EventCountAdapterUtil.reset(eventCountAdapters);
         AWTRobotUtil.assertRequestFocusAndWait(robot, newtCanvasAWT, newtCanvasAWT.getNEWTChild(), glWindow1FA, buttonFA);
-        Assert.assertEquals(false, newtCanvasAWTFA.focusGained());
+        Assert.assertTrue("Focus prev. gained, but NewtCanvasAWT didn't loose it. Gainer: "+glWindow1FA+"; Looser "+newtCanvasAWTFA, 
+                AWTRobotUtil.waitForFocus(glWindow1FA, newtCanvasAWTFA));
         System.err.println("FOCUS NEWT Canvas/GLWindow sync");
         AWTRobotUtil.assertKeyType(robot, java.awt.event.KeyEvent.VK_A, 2, glWindow1, glWindow1KA);
         Assert.assertEquals("AWT parent canvas received keyboard events", 0, newtCanvasAWTKA.getCount());
diff --git a/src/test/com/jogamp/opengl/test/junit/newt/TestFocus02SwingAWTRobot.java b/src/test/com/jogamp/opengl/test/junit/newt/TestFocus02SwingAWTRobot.java
index a0efa53ad..d8a9640c1 100644
--- a/src/test/com/jogamp/opengl/test/junit/newt/TestFocus02SwingAWTRobot.java
+++ b/src/test/com/jogamp/opengl/test/junit/newt/TestFocus02SwingAWTRobot.java
@@ -56,6 +56,15 @@ import java.io.IOException;
 import com.jogamp.opengl.test.junit.util.*;
 import com.jogamp.opengl.test.junit.jogl.demos.es2.GearsES2;
 
+/**
+ * Testing focus traversal of an AWT component tree with {@link NewtCanvasAWT} attached.
+ * <p> 
+ * {@link JFrame} . {@link JPanel}+ . {@link Container} . {@link NewtCanvasAWT} . {@link GLWindow}
+ * </p>
+ * <p>
+ * <i>+ JPanel is set as JFrame's root content pane</i><br/> 
+ * </p>
+ */
 public class TestFocus02SwingAWTRobot extends UITestCase {
     static int width, height;
     static long durationPerTest = 10;
@@ -85,9 +94,6 @@ public class TestFocus02SwingAWTRobot extends UITestCase {
 
         ArrayList<EventCountAdapter> eventCountAdapters = new ArrayList<EventCountAdapter>();
 
-        /**
-         * JFrame . JPanel . Container . NewtCanvasAWT . GLWindow
-         */
         GLWindow glWindow1 = GLWindow.create(glCaps);
         glWindow1.setTitle("testWindowParenting01CreateVisibleDestroy");
         GLEventListener demo1 = new GearsES2();
@@ -225,7 +231,9 @@ public class TestFocus02SwingAWTRobot extends UITestCase {
         System.err.println("FOCUS NEWT Canvas/GLWindow request");
         EventCountAdapterUtil.reset(eventCountAdapters);
         AWTRobotUtil.assertRequestFocusAndWait(robot, newtCanvasAWT, newtCanvasAWT.getNEWTChild(), glWindow1FA, buttonNorthInnerFA);
-        Assert.assertTrue(AWTRobotUtil.waitForFocusCount(false, newtCanvasAWTFA));
+        Assert.assertTrue("Focus prev. gained, but NewtCanvasAWT didn't loose it. Gainer: "+glWindow1FA+"; Looser "+newtCanvasAWTFA, 
+                AWTRobotUtil.waitForFocus(glWindow1FA, newtCanvasAWTFA));
+        
         Assert.assertEquals(false, newtCanvasAWTFA.focusGained());
         Assert.assertEquals(false, buttonNorthOuterFA.focusGained());
         Assert.assertEquals(false, jFrame1FA.focusGained());
diff --git a/src/test/com/jogamp/opengl/test/junit/newt/TestWindows01NEWT.java b/src/test/com/jogamp/opengl/test/junit/newt/TestWindows01NEWT.java
index bf72348f9..e03b5e7d6 100644
--- a/src/test/com/jogamp/opengl/test/junit/newt/TestWindows01NEWT.java
+++ b/src/test/com/jogamp/opengl/test/junit/newt/TestWindows01NEWT.java
@@ -33,7 +33,6 @@ import org.junit.BeforeClass;
 import org.junit.Test;
 
 import javax.media.nativewindow.*;
-import javax.media.nativewindow.util.Point;
 
 import com.jogamp.newt.*;
 import java.io.IOException;
diff --git a/src/test/com/jogamp/opengl/test/junit/newt/parenting/NewtAWTReparentingKeyAdapter.java b/src/test/com/jogamp/opengl/test/junit/newt/parenting/NewtAWTReparentingKeyAdapter.java
index 473f2f584..f7881615d 100644
--- a/src/test/com/jogamp/opengl/test/junit/newt/parenting/NewtAWTReparentingKeyAdapter.java
+++ b/src/test/com/jogamp/opengl/test/junit/newt/parenting/NewtAWTReparentingKeyAdapter.java
@@ -36,7 +36,7 @@ import com.jogamp.newt.event.KeyAdapter;
 import com.jogamp.newt.event.KeyEvent;
 import com.jogamp.newt.opengl.GLWindow;
 
-class NewtAWTReparentingKeyAdapter extends KeyAdapter {
+public class NewtAWTReparentingKeyAdapter extends KeyAdapter {
     Frame frame;
     NewtCanvasAWT newtCanvasAWT;
     GLWindow glWindow;
diff --git a/src/test/com/jogamp/opengl/test/junit/util/AWTRobotUtil.java b/src/test/com/jogamp/opengl/test/junit/util/AWTRobotUtil.java
index 9e96db5e1..160653cd5 100644
--- a/src/test/com/jogamp/opengl/test/junit/util/AWTRobotUtil.java
+++ b/src/test/com/jogamp/opengl/test/junit/util/AWTRobotUtil.java
@@ -275,24 +275,29 @@ public class AWTRobotUtil {
      *
      * @return True if the Window became the global focused Window within TIME_OUT
      */
-    public static boolean waitForFocus(Object obj, FocusEventCountAdapter gain, 
-                                                   FocusEventCountAdapter lost) throws InterruptedException {
-        if(!waitForFocus(obj)) {
-            return false;
-        }
-        if(null == gain) {
-            return true;
-        }
-        
+    public static boolean waitForFocus(FocusEventCountAdapter gain, 
+                                       FocusEventCountAdapter lost) throws InterruptedException {
         int wait;
         for (wait=0; wait<POLL_DIVIDER; wait++) {
-            if( ( null == lost || lost.focusLost() ) && gain.focusGained() ) {
+            if( ( null == lost || lost.focusLost() ) && ( null == gain || gain.focusGained() ) ) {
                 return true;
             }
             Thread.sleep(TIME_SLICE);
         }
         return false;
     }
+        
+    /**
+     *
+     * @return True if the Window became the global focused Window within TIME_OUT
+     */
+    public static boolean waitForFocus(Object obj, FocusEventCountAdapter gain, 
+                                                   FocusEventCountAdapter lost) throws InterruptedException {
+        if(!waitForFocus(obj)) {
+            return false;
+        }
+        return waitForFocus(gain, lost);
+    }
 
     public static void assertRequestFocusAndWait(Robot robot, Object requestFocus, Object waitForFocus, 
                                               FocusEventCountAdapter gain, FocusEventCountAdapter lost)
@@ -461,20 +466,6 @@ public class AWTRobotUtil {
 
     /**
      *
-     * @return True if the FocusEventCountAdapter became the desired value within TIME_OUT
-     */
-    public static boolean waitForFocusCount(boolean desired, FocusEventCountAdapter eca) throws InterruptedException {
-        for (int wait=0; wait<POLL_DIVIDER; wait++) {
-            if( desired && eca.focusGained() || !desired && eca.focusLost() ) {
-                return true;
-            }
-            Thread.sleep(TIME_SLICE);
-        }
-        return false;
-    }
-
-    /**
-     *
      * @return True if the Component becomes <code>visible</code> within TIME_OUT
      */
     public static boolean waitForVisible(Object obj, boolean visible) throws InterruptedException {
diff --git a/src/test/com/jogamp/opengl/test/junit/util/NEWTGLContext.java b/src/test/com/jogamp/opengl/test/junit/util/NEWTGLContext.java
index 3f989bfa4..a76b67d57 100644
--- a/src/test/com/jogamp/opengl/test/junit/util/NEWTGLContext.java
+++ b/src/test/com/jogamp/opengl/test/junit/util/NEWTGLContext.java
@@ -70,8 +70,8 @@ public class NEWTGLContext {
         Assert.assertNotNull(window);
         window.setSize(width, height);
         window.setVisible(true);
-        AWTRobotUtil.waitForVisible(window, true);
-        AWTRobotUtil.waitForRealized(window, true);
+        Assert.assertTrue(AWTRobotUtil.waitForVisible(window, true));
+        Assert.assertTrue(AWTRobotUtil.waitForRealized(window, true));
             
         GLDrawableFactory factory = GLDrawableFactory.getFactory(caps.getGLProfile());
         GLDrawable drawable = factory.createGLDrawable(window);
diff --git a/src/test/com/jogamp/opengl/test/junit/util/UITestCase.java b/src/test/com/jogamp/opengl/test/junit/util/UITestCase.java
index c07d5b741..c42d9ff62 100644
--- a/src/test/com/jogamp/opengl/test/junit/util/UITestCase.java
+++ b/src/test/com/jogamp/opengl/test/junit/util/UITestCase.java
@@ -29,12 +29,14 @@
 package com.jogamp.opengl.test.junit.util;
 
 import java.io.File;
-import java.io.PrintWriter;
-import java.io.StringWriter;
+import java.util.Iterator;
+import java.util.List;
 
 import javax.media.opengl.GL;
+import javax.media.opengl.GLAutoDrawable;
 import javax.media.opengl.GLCapabilitiesImmutable;
 import javax.media.opengl.GLDrawable;
+import javax.media.opengl.GLEventListener;
 
 import com.jogamp.common.util.locks.SingletonInstance;
 import com.jogamp.opengl.util.GLReadBufferUtil;
@@ -47,6 +49,8 @@ import org.junit.After;
 import org.junit.AfterClass;
 import org.junit.Rule;
 import org.junit.rules.TestName;
+import org.junit.runners.model.FrameworkMethod;
+import org.junit.runners.model.TestClass;
 
 
 public abstract class UITestCase {
@@ -58,9 +62,11 @@ public abstract class UITestCase {
     public static final long SINGLE_INSTANCE_LOCK_TO   = 3*60*1000; // wait up to 3 min
     public static final long SINGLE_INSTANCE_LOCK_POLL =      1000; // poll every 1s
 
-    static volatile SingletonInstance singletonInstance;
+    private static volatile SingletonInstance singletonInstance;
     
-    static volatile boolean testSupported = true;
+    private static volatile boolean testSupported = true;
+    
+    private static volatile int maxMethodNameLen = 0;
 
     private static final synchronized void initSingletonInstance() {
         if( null == singletonInstance )  {
@@ -77,6 +83,20 @@ public abstract class UITestCase {
         testSupported = v;
     }
 
+    public int getMaxTestNameLen() {
+        if(0 == maxMethodNameLen) {
+            int ml = 0;
+            final TestClass tc = new TestClass(getClass());
+            final List<FrameworkMethod> testMethods = tc.getAnnotatedMethods(org.junit.Test.class);
+            for(Iterator<FrameworkMethod> iter=testMethods.iterator(); iter.hasNext(); ) {
+                final int l = iter.next().getName().length();
+                if( ml < l ) { ml = l; }
+            }
+            maxMethodNameLen = ml;
+        }
+        return maxMethodNameLen; 
+    }
+    
     public final String getTestMethodName() {
         return _unitTestName.getMethodName();
     }
@@ -120,13 +140,12 @@ public abstract class UITestCase {
     static final String unsupportedTestMsg = "Test not supported on this platform.";
     
     /**
-     * Takes a snapshot of the drawable's current framebuffer. Example filenames: 
+     * Takes a snapshot of the drawable's current front framebuffer. Example filenames: 
      * <pre>
-     * TestFBODrawableNEWT.test01-F_rgba-I_rgba-S0_default-GL2-n0004-0800x0600.png
-     * TestFBODrawableNEWT.test01-F_rgba-I_rgba-S0_default-GL2-n0005-0800x0600.png
+     * TestGLDrawableAutoDelegateOnOffscrnCapsNEWT.testES2OffScreenFBOSglBuf____-n0001-msaa0-GLES2_-sw-fbobject-Bdbl-Frgb__Irgb_-S00_default-0400x0300.png
+     * TestGLDrawableAutoDelegateOnOffscrnCapsNEWT.testES2OffScreenPbufferDblBuf-n0003-msaa0-GLES2_-sw-pbuffer_-Bdbl-Frgb__Irgb_-S00_default-0200x0150.png
+     * TestGLDrawableAutoDelegateOnOffscrnCapsNEWT.testGL2OffScreenPbufferSglBuf-n0003-msaa0-GL2___-hw-pbuffer_-Bone-Frgb__Irgb_-S00_default-0200x0150.png
      * </pre>
-     * 
-     * @param simpleTestName will be used as the filename prefix
      * @param sn sequential number 
      * @param postSNDetail optional detail to be added to the filename after <code>sn</code>
      * @param gl the current GL context object. It's read drawable is being used as the pixel source and to gather some details which will end up in the filename.
@@ -137,30 +156,80 @@ public abstract class UITestCase {
      *                 It shall not end with a directory separator, {@link File#separatorChar}.
      *                 If <code>null</code> the current working directory is being used.  
      */
-    public static void snapshot(String simpleTestName, int sn, String postSNDetail, GL gl, GLReadBufferUtil readBufferUtil, String fileSuffix, String destPath) {
+    public void snapshot(int sn, String postSNDetail, GL gl, GLReadBufferUtil readBufferUtil, String fileSuffix, String destPath) {
         if(null == fileSuffix) {
             fileSuffix = TextureIO.PNG;
         }
-        final StringWriter filenameSW = new StringWriter();
-        {
+        final int maxSimpleTestNameLen = getMaxTestNameLen()+getClass().getSimpleName().length()+1;
+        final String simpleTestName = this.getSimpleTestName(".");
+        final String filenameBaseName;
+        {            
             final GLDrawable drawable = gl.getContext().getGLReadDrawable();
             final GLCapabilitiesImmutable caps = drawable.getChosenGLCapabilities();
+            final String accel = caps.getHardwareAccelerated() ? "hw" : "sw" ;
+            final String scrnm;
+            if(caps.isOnscreen()) {
+                scrnm = "onscreen";
+            } else if(caps.isFBO()) {
+                scrnm = "fbobject";
+            } else if(caps.isPBuffer()) {
+                scrnm = "pbuffer_";
+            } else if(caps.isBitmap()) {
+                scrnm = "bitmap__";
+            } else {
+                scrnm = "unknown_";
+            }
+            final String dblb = caps.getDoubleBuffered() ? "dbl" : "one";
             final String F_pfmt = readBufferUtil.hasAlpha() ? "rgba" : "rgb_";
             final String pfmt = caps.getAlphaBits() > 0 ? "rgba" : "rgb_";
-            final String aaext = caps.getSampleExtension();
             final int samples = caps.getNumSamples() ;
+            final String aaext = caps.getSampleExtension();
             postSNDetail = null != postSNDetail ? "-"+postSNDetail : "";
-            final PrintWriter pw = new PrintWriter(filenameSW);
-            pw.printf("%s-n%04d%s-F_%s-I_%s-S%d_%s-%s-%04dx%04d.%s", 
-                    simpleTestName, sn, postSNDetail, F_pfmt, pfmt, samples, aaext, drawable.getGLProfile().getName(), 
-                    drawable.getWidth(), drawable.getHeight(), fileSuffix);
+
+            filenameBaseName = String.format("%-"+maxSimpleTestNameLen+"s-n%04d%s-%-6s-%s-%s-B%s-F%s_I%s-S%02d_%s-%04dx%04d.%s", 
+                    simpleTestName, sn, postSNDetail, drawable.getGLProfile().getName(), accel, 
+                    scrnm, dblb, F_pfmt, pfmt, samples, aaext,  
+                    drawable.getWidth(), drawable.getHeight(), fileSuffix).replace(' ', '_');
         }
-        final String filename = null != destPath ? destPath + File.separator + filenameSW.toString() : filenameSW.toString();
-        System.err.println(Thread.currentThread().getName()+": ** screenshot: "+filename);
+        final String filename = null != destPath ? destPath + File.separator + filenameBaseName : filenameBaseName;
+        System.err.println(Thread.currentThread().getName()+": ** screenshot: "+filename+", maxTestNameLen "+maxSimpleTestNameLen+", <"+simpleTestName+">");
         gl.glFinish(); // just make sure rendering finished ..
         if(readBufferUtil.readPixels(gl, false)) {
             readBufferUtil.write(new File(filename));
         }                
-    }    
+    }
+    
+    public class SnapshotGLEventListener implements GLEventListener {
+        private final GLReadBufferUtil screenshot;
+        private volatile boolean makeShot = false;
+        private volatile int displayCount=0;
+        private volatile int reshapeCount=0;
+        public SnapshotGLEventListener(GLReadBufferUtil screenshot) {
+            this.screenshot = screenshot;
+        }
+        public SnapshotGLEventListener() {
+            this.screenshot = new GLReadBufferUtil(false, false);
+        }
+
+        public void init(GLAutoDrawable drawable) {}
+        public void dispose(GLAutoDrawable drawable) {}
+        public void display(GLAutoDrawable drawable) {
+            final GL gl = drawable.getGL();
+            System.err.println(Thread.currentThread().getName()+": ** display: "+displayCount+": "+drawable.getWidth()+"x"+drawable.getHeight()+", makeShot "+makeShot);
+            if(makeShot) {
+                makeShot=false;
+                snapshot(displayCount, null, gl, screenshot, TextureIO.PNG, null);
+            }
+            displayCount++;
+        }
+        public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
+            System.err.println(Thread.currentThread().getName()+": ** reshape: "+reshapeCount+": "+width+"x"+height+" - "+drawable.getWidth()+"x"+drawable.getHeight());
+            reshapeCount++;
+        }
+        public void setMakeSnapshot() {
+            makeShot=true;
+        }
+    };
+    
 }