Bug 894 - GLJPanel: Expose 'initializeBackend(boolean offthread)' allowing user to trigger backend initialization eagerly and offthread (optional, !WINDOWS)

TestPerf001GLJPanelInit02AWT compares all variations: no-gl, glcanvas, gljpanel and gljpanel-initMT (offthread)

7 files changed, 436 insertions, 73 deletions

diff --git a/make/scripts/tests-win.bat b/make/scripts/tests-win.bat
index 7e40967c2..94bc49c38 100755
--- a/make/scripts/tests-win.bat
+++ b/make/scripts/tests-win.bat
@@ -78,6 +78,7 @@ REM scripts\java-win.bat com.jogamp.opengl.test.junit.jogl.tile.TestTiledPrintin
 REM scripts\java-win.bat com.jogamp.opengl.test.junit.jogl.perf.TestPerf001RawInit00NEWT %*
 REM scripts\java-win.bat com.jogamp.opengl.test.junit.jogl.perf.TestPerf001GLJPanelInit01AWT %*
 scripts\java-win.bat com.jogamp.opengl.test.junit.jogl.perf.TestPerf001GLJPanelInit02AWT %*
+REM scripts\java-win.bat com.jogamp.opengl.test.junit.jogl.perf.TestPerf001GLWindowInit03NEWT %*
 
 REM scripts\java-win.bat com.jogamp.opengl.test.junit.jogl.demos.gl2.newt.TestGearsNewtAWTWrapper %*
 REM scripts\java-win.bat com.jogamp.opengl.test.junit.jogl.demos.gl2.newt.TestGearsNEWT -time 30000
diff --git a/make/scripts/tests-x64-dbg.bat b/make/scripts/tests-x64-dbg.bat
index 726be54ba..a42c79254 100755
--- a/make/scripts/tests-x64-dbg.bat
+++ b/make/scripts/tests-x64-dbg.bat
@@ -24,7 +24,7 @@ REM set D_ARGS="-Djogamp.debug=all"
 REM set D_ARGS="-Djogl.debug.GLContext" "-Djogl.debug.FBObject"

 REM set D_ARGS="-Djogl.debug.GLDrawable" "-Djogl.debug.EGLDrawableFactory.DontQuery"

 REM set D_ARGS="-Djogl.debug.GLDrawable" "-Djogl.debug.EGLDrawableFactory.QueryNativeTK"

-REM set D_ARGS="-Djogl.debug=all" "-Dnewt.debug=all" "-Dnativewindow.debug=all"

+set D_ARGS="-Djogl.debug=all" "-Dnewt.debug=all" "-Dnativewindow.debug=all"

 REM set D_ARGS="-Djogl.debug.GLDrawable" "-Djogl.debug.GLContext" "-Djogl.debug.GLCanvas"

 REM set D_ARGS="-Djogl.debug=all" "-Dnewt.debug=all" "-Dnativewindow.debug=all" "-Djogamp.debug=all" "-Djogl.debug.EGLDrawableFactory.DontQuery"

 REM set D_ARGS="-Dnativewindow.debug.GraphicsConfiguration -Djogl.debug.CapabilitiesChooser -Djogl.debug.GLProfile"

@@ -53,7 +53,7 @@ REM set D_ARGS="-Djogl.debug.GLCanvas" "-Djogl.debug.GLJPanel" "-Djogl.debug.Til
 REM set D_ARGS="-Djogl.debug.GLCanvas" "-Djogl.debug.GLJPanel" "-Djogl.debug.TileRenderer"

 REM set D_ARGS="-Dnewt.debug.Window"

 REM set D_ARGS="-Dnewt.debug.Window.KeyEvent"

-set D_ARGS="-Dnewt.debug.Window.MouseEvent"

+REM set D_ARGS="-Dnewt.debug.Window.MouseEvent"

 REM set D_ARGS="-Dnewt.debug.Window.MouseEvent" "-Dnewt.debug.Window.KeyEvent"

 REM set D_ARGS="-Dnewt.debug.Window" "-Dnewt.debug.Display"

 REM set D_ARGS="-Djogl.debug.GLDebugMessageHandler" "-Djogl.debug.DebugGL" "-Djogl.debug.TraceGL"

diff --git a/make/scripts/tests.sh b/make/scripts/tests.sh
index f2231a0de..53e4e22cd 100644
--- a/make/scripts/tests.sh
+++ b/make/scripts/tests.sh
@@ -176,6 +176,7 @@ function jrun() {
     #D_ARGS="-Djogamp.common.utils.locks.Lock.timeout=3000 -Djogamp.debug.Lock -Dnativewindow.debug.ToolkitLock.TraceLock"
     #D_ARGS="-Djogamp.common.utils.locks.Lock.timeout=600000 -Djogamp.debug.Lock -Djogamp.debug.Lock.TraceLock -Dnativewindow.debug.ToolkitLock.TraceLock"
     #D_ARGS="-Djogamp.common.utils.locks.Lock.timeout=600000 -Djogamp.debug.Lock -Dnativewindow.debug.X11Util"
+    #D_ARGS="-Djogamp.common.utils.locks.Lock.timeout=600000 -Dnativewindow.debug.X11Util"
     #D_ARGS="-Dnewt.debug.EDT -Djogamp.common.utils.locks.Lock.timeout=600000 -Djogl.debug.Animator -Dnewt.debug.Display -Dnewt.debug.Screen"
     #D_ARGS="-Dnewt.debug.Window -Djogamp.common.utils.locks.Lock.timeout=600000"
     #D_ARGS="-Dnewt.debug=all -Djogamp.common.utils.locks.Lock.timeout=600000"
@@ -337,6 +338,7 @@ function testawtswt() {
 #testnoawt com.jogamp.opengl.test.junit.jogl.perf.TestPerf001RawInit00NEWT $*
 #testawt com.jogamp.opengl.test.junit.jogl.perf.TestPerf001GLJPanelInit01AWT $*
 testawt com.jogamp.opengl.test.junit.jogl.perf.TestPerf001GLJPanelInit02AWT $*
+#testnoawt com.jogamp.opengl.test.junit.jogl.perf.TestPerf001GLWindowInit03NEWT $*
 
 #
 # tile rendring / printing w/ & w/o AWT
diff --git a/src/jogl/classes/javax/media/opengl/awt/GLJPanel.java b/src/jogl/classes/javax/media/opengl/awt/GLJPanel.java
index 1adafaf87..2c805fa00 100644
--- a/src/jogl/classes/javax/media/opengl/awt/GLJPanel.java
+++ b/src/jogl/classes/javax/media/opengl/awt/GLJPanel.java
@@ -58,6 +58,7 @@ import java.util.List;
 
 import javax.media.nativewindow.AbstractGraphicsDevice;
 import javax.media.nativewindow.NativeSurface;
+import javax.media.nativewindow.NativeWindowFactory;
 import javax.media.nativewindow.WindowClosingProtocol;
 import javax.media.opengl.DefaultGLCapabilitiesChooser;
 import javax.media.opengl.GL;
@@ -338,6 +339,51 @@ public class GLJPanel extends JPanel implements AWTGLAutoDrawable, WindowClosing
     this.setFocusable(true); // allow keyboard input!
   }
 
+  /**
+   * Attempts to initialize the backend, if not initialized yet.
+   * <p>
+   * If backend is already initialized method returns <code>true</code>.
+   * </p>
+   * <p>
+   * If <code>offthread</code> is <code>true</code>, initialization will kicked off
+   * on a <i>short lived</i> arbitrary thread and method returns immediately.<br/>
+   * If platform supports such <i>arbitrary thread</i> initialization method returns
+   * <code>true</code>, otherwise <code>false</code>.
+   * </p>
+   * <p>
+   * Due to threading restrictions, <i>arbitrary thread</i> initialization is <i>not supported</i> on:
+   * <ul>
+   *   <li>{@link NativeWindowFactory.TYPE_WINDOWS}</li>
+   * </ul>
+   * </p>
+   * <p>
+   * If <code>offthread</code> is <code>false</code>, initialization be performed
+   * on the current thread and method returns after initialization.<br/>
+   * Method returns <code>true</code> if initialization was successful, otherwise <code>false</code>.
+   * <p>
+   * @param offthread
+   */
+  public final boolean initializeBackend(boolean offthread) {
+    if( offthread ) {
+        if( NativeWindowFactory.TYPE_WINDOWS == NativeWindowFactory.getNativeWindowType(true) ) {
+            return false;
+        }
+        new Thread(getThreadName()+"-GLJPanel_Init") {
+            public void run() {
+              if( !isInitialized ) {
+                  initializeBackendImpl();
+              }
+            } }.start();
+        return true;
+    } else {
+        if( !isInitialized ) {
+            return initializeBackendImpl();
+        } else {
+            return true;
+        }
+    }
+  }
+
   @Override
   public final void setSharedContext(GLContext sharedContext) throws IllegalStateException {
       helper.setSharedContext(this.getContext(), sharedContext);
@@ -457,8 +503,8 @@ public class GLJPanel extends JPanel implements AWTGLAutoDrawable, WindowClosing
       return;
     }
 
-    if (backend == null || !isInitialized) {
-      createAndInitializeBackend();
+    if( !isInitialized ) {
+        initializeBackendImpl();
     }
 
     if (!isInitialized || printActive) {
@@ -552,8 +598,8 @@ public class GLJPanel extends JPanel implements AWTGLAutoDrawable, WindowClosing
   private final Runnable setupPrintOnEDT = new Runnable() {
       @Override
       public void run() {
-          if (backend == null || !isInitialized) {
-              createAndInitializeBackend();
+          if( !isInitialized ) {
+              initializeBackendImpl();
           }
           if (!isInitialized) {
               if(DEBUG) {
@@ -1020,35 +1066,47 @@ public class GLJPanel extends JPanel implements AWTGLAutoDrawable, WindowClosing
   // Internals only below this point
   //
 
-  private void createAndInitializeBackend() {
-    if ( 0 >= panelWidth || 0 >= panelHeight ) {
-      // See whether we have a non-zero size yet and can go ahead with
-      // initialization
-      if (0 >= reshapeWidth || 0 >= reshapeHeight ) {
-          return;
-      }
+  private final Object initSync = new Object();
+  private boolean initializeBackendImpl() {
+    if( !isInitialized ) {
+        synchronized(initSync) {
+            if( !isInitialized ) {
+                if ( 0 >= panelWidth || 0 >= panelHeight ) {
+                  // See whether we have a non-zero size yet and can go ahead with
+                  // initialization
+                  if (0 >= reshapeWidth || 0 >= reshapeHeight ) {
+                      return false;
+                  }
 
-      if (DEBUG) {
-          System.err.println(getThreadName()+": GLJPanel.createAndInitializeBackend: " +panelWidth+"x"+panelHeight + " -> " + reshapeWidth+"x"+reshapeHeight);
-      }
-      // Pull down reshapeWidth and reshapeHeight into panelWidth and
-      // panelHeight eagerly in order to complete initialization, and
-      // force a reshape later
-      panelWidth = reshapeWidth;
-      panelHeight = reshapeHeight;
-    }
+                  if (DEBUG) {
+                      System.err.println(getThreadName()+": GLJPanel.createAndInitializeBackend: " +panelWidth+"x"+panelHeight + " -> " + reshapeWidth+"x"+reshapeHeight);
+                  }
+                  // Pull down reshapeWidth and reshapeHeight into panelWidth and
+                  // panelHeight eagerly in order to complete initialization, and
+                  // force a reshape later
+                  panelWidth = reshapeWidth;
+                  panelHeight = reshapeHeight;
+                }
 
-    if ( null == backend ) {
-        if ( oglPipelineUsable() ) {
-            backend = new J2DOGLBackend();
-        } else {
-            backend = new OffscreenBackend(glProfile, customPixelBufferProvider);
-        }
-        isInitialized = false;
-    }
+                if ( null == backend ) {
+                    if ( oglPipelineUsable() ) {
+                        backend = new J2DOGLBackend();
+                    } else {
+                        backend = new OffscreenBackend(glProfile, customPixelBufferProvider);
+                    }
+                    isInitialized = false;
+                }
 
-    if (!isInitialized) {
-        backend.initialize();
+                if (!isInitialized) {
+                    backend.initialize();
+                }
+                return isInitialized;
+            } else {
+                return true;
+            }
+        }
+    } else {
+        return true;
     }
   }
 
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/perf/TestPerf001GLJPanelInit01AWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/perf/TestPerf001GLJPanelInit01AWT.java
index 24bd1b748..0472fdb31 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/perf/TestPerf001GLJPanelInit01AWT.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/perf/TestPerf001GLJPanelInit01AWT.java
@@ -34,6 +34,8 @@ import java.lang.reflect.InvocationTargetException;
 
 import javax.media.opengl.GLAnimatorControl;
 import javax.media.opengl.GLAutoDrawable;
+import javax.media.opengl.GLCapabilities;
+import javax.media.opengl.GLCapabilitiesImmutable;
 import javax.media.opengl.GLEventListener;
 import javax.media.opengl.GLProfile;
 import javax.media.opengl.awt.GLCanvas;
@@ -65,8 +67,8 @@ public class TestPerf001GLJPanelInit01AWT extends UITestCase {
         GLProfile.initSingleton();
     }
 
-    public void test(final boolean useGears, final int width, final int height, final int rows, final int columns,
-                     final boolean useGLJPanel, final boolean useAnim) {
+    public void test(final GLCapabilitiesImmutable caps, final boolean useGears, final int width, final int height, final int rows,
+                     final int columns, final boolean useGLJPanel, final boolean useAnim) {
         final GLAnimatorControl animator = useAnim ? new Animator() : null;
 
         final JFrame frame;
@@ -90,7 +92,7 @@ public class TestPerf001GLJPanelInit01AWT extends UITestCase {
                 public void run() {
                     t[0] = Platform.currentTimeMillis();
                     for(int i=0; i<panelCount; i++) {
-                        final GLAutoDrawable glad = useGLJPanel ? createGLJPanel(useGears, animator, eSize) : createGLCanvas(useGears, animator, eSize);
+                        final GLAutoDrawable glad = useGLJPanel ? createGLJPanel(caps, useGears, animator, eSize) : createGLCanvas(caps, useGears, animator, eSize);
                         glad.addGLEventListener(new GLEventListener() {
                             @Override
                             public void init(GLAutoDrawable drawable) {
@@ -158,8 +160,8 @@ public class TestPerf001GLJPanelInit01AWT extends UITestCase {
         System.err.println("Total: "+(t[4]-t[0]));
     }
 
-    private GLAutoDrawable createGLCanvas(boolean useGears, GLAnimatorControl anim, Dimension size) {
-        GLCanvas canvas = new GLCanvas();
+    private GLAutoDrawable createGLCanvas(GLCapabilitiesImmutable caps, boolean useGears, GLAnimatorControl anim, Dimension size) {
+        GLCanvas canvas = new GLCanvas(caps);
         canvas.setSize(size);
         canvas.setPreferredSize(size);
         if( useGears ) {
@@ -170,8 +172,8 @@ public class TestPerf001GLJPanelInit01AWT extends UITestCase {
         }
         return canvas;
     }
-    private GLAutoDrawable createGLJPanel(boolean useGears, GLAnimatorControl anim, Dimension size) {
-        GLJPanel canvas = new GLJPanel();
+    private GLAutoDrawable createGLJPanel(GLCapabilitiesImmutable caps, boolean useGears, GLAnimatorControl anim, Dimension size) {
+        GLJPanel canvas = new GLJPanel(caps);
         canvas.setSize(size);
         canvas.setPreferredSize(size);
         if( useGears ) {
@@ -184,13 +186,20 @@ public class TestPerf001GLJPanelInit01AWT extends UITestCase {
     }
 
     @Test
-    public void test01NopGLJPanel() throws InterruptedException, InvocationTargetException {
-        test(false /*useGears*/, width, height, rows, cols, true /* useGLJPanel */, false /*useAnim*/);
+    public void test01NopGLJPanelDef() throws InterruptedException, InvocationTargetException {
+        test(new GLCapabilities(null), false /*useGears*/, width, height, rows, cols, true /* useGLJPanel */, false /*useAnim*/);
     }
 
     @Test
-    public void test02NopGLCanvas() throws InterruptedException, InvocationTargetException {
-        test(false /*useGears*/, width, height, rows, cols, false /* useGLJPanel */, false /*useAnim*/);
+    public void test02NopGLJPanelBitmap() throws InterruptedException, InvocationTargetException {
+        GLCapabilities caps = new GLCapabilities(null);
+        caps.setBitmap(true);
+        test(caps, false /*useGears*/, width, height, rows, cols, true /* useGLJPanel */, false /*useAnim*/);
+    }
+
+    @Test
+    public void test11NopGLCanvasDef() throws InterruptedException, InvocationTargetException {
+        test(new GLCapabilities(null), false /*useGears*/, width, height, rows, cols, false /* useGLJPanel */, false /*useAnim*/);
     }
 
     static long duration = 0; // ms
@@ -235,7 +244,7 @@ public class TestPerf001GLJPanelInit01AWT extends UITestCase {
         if( manual ) {
             GLProfile.initSingleton();
             TestPerf001GLJPanelInit01AWT demo = new TestPerf001GLJPanelInit01AWT();
-            demo.test(useGears, width, height, rows, cols, useGLJPanel, false /*useAnim*/);
+            demo.test(null, useGears, width, height, rows, cols, useGLJPanel, false /*useAnim*/);
         } else {
             org.junit.runner.JUnitCore.main(TestPerf001GLJPanelInit01AWT.class.getName());
         }
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/perf/TestPerf001GLJPanelInit02AWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/perf/TestPerf001GLJPanelInit02AWT.java
index 0ac66f907..1c3accb67 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/perf/TestPerf001GLJPanelInit02AWT.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/perf/TestPerf001GLJPanelInit02AWT.java
@@ -30,16 +30,20 @@ package com.jogamp.opengl.test.junit.jogl.perf;
 import java.awt.BorderLayout;
 import java.awt.Component;
 import java.awt.Dimension;
+import java.awt.Graphics;
 import java.lang.reflect.InvocationTargetException;
 
 import javax.media.opengl.GLAnimatorControl;
 import javax.media.opengl.GLAutoDrawable;
+import javax.media.opengl.GLCapabilities;
+import javax.media.opengl.GLCapabilitiesImmutable;
 import javax.media.opengl.GLEventListener;
 import javax.media.opengl.GLProfile;
 import javax.media.opengl.awt.GLCanvas;
 import javax.media.opengl.awt.GLJPanel;
 import javax.swing.JFrame;
 import javax.swing.JPanel;
+import javax.swing.JTextArea;
 import javax.swing.SwingUtilities;
 
 import org.junit.Assume;
@@ -65,9 +69,13 @@ public class TestPerf001GLJPanelInit02AWT extends UITestCase {
         GLProfile.initSingleton();
     }
 
-    public void test(final boolean useGears, final int width, final int height, final int frameCount,
-                     final boolean useGLJPanel, final boolean useAnim) {
+    public void test(final GLCapabilitiesImmutable caps, final boolean useGears, final int width, final int height,
+                     final int frameCount, final boolean initMT, final boolean useGLJPanel, final boolean useGLCanvas, final boolean useAnim, final boolean overlap) {
         final GLAnimatorControl animator = useAnim ? new Animator() : null;
+        final int cols = (int)Math.round(Math.sqrt(frameCount));
+        final int rows = frameCount / cols;
+        final int eWidth = width/cols-32;
+        final int eHeight = height/rows-32;
 
         final JFrame[] frame = new JFrame[frameCount];
         final long[] t = new long[10];
@@ -80,26 +88,66 @@ public class TestPerf001GLJPanelInit02AWT extends UITestCase {
             javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
                 public void run() {
                     t[0] = Platform.currentTimeMillis();
+                    int x = 32, y = 32;
                     for(int i=0; i<frameCount; i++) {
                         frame[i] = new JFrame("frame_"+i+"/"+frameCount);
+                        frame[i].setLocation(x, y);
+                        if(!overlap) {
+                            x+=eWidth+32;
+                            if(x>=width) {
+                                x=32;
+                                y+=eHeight+32;
+                            }
+                        }
                         final JPanel panel = new JPanel();
                         panel.setLayout(new BorderLayout());
                         // panel.setBounds(0, 0, width, height);
-                        final Dimension eSize = new Dimension(width, height);
-                        final GLAutoDrawable glad = useGLJPanel ? createGLJPanel(useGears, animator, eSize) : createGLCanvas(useGears, animator, eSize);
-                        glad.addGLEventListener(new GLEventListener() {
-                            @Override
-                            public void init(GLAutoDrawable drawable) {
-                                initCount++;
-                            }
-                            @Override
-                            public void dispose(GLAutoDrawable drawable) {}
-                            @Override
-                            public void display(GLAutoDrawable drawable) {}
-                            @Override
-                            public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {}
-                        });
-                        panel.add((Component)glad);
+                        final Dimension eSize = new Dimension(eWidth, eHeight);
+                        final GLAutoDrawable glad = useGLJPanel ? createGLJPanel(initMT, caps, useGears, animator, eSize) : ( useGLCanvas ? createGLCanvas(caps, useGears, animator, eSize) : null );
+                        if( null != glad ) {
+                            glad.addGLEventListener(new GLEventListener() {
+                                @Override
+                                public void init(GLAutoDrawable drawable) {
+                                    initCount++;
+                                }
+                                @Override
+                                public void dispose(GLAutoDrawable drawable) {}
+                                @Override
+                                public void display(GLAutoDrawable drawable) {}
+                                @Override
+                                public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {}
+                            });
+                            panel.add((Component)glad);
+                        } else {
+                            @SuppressWarnings("serial")
+                            final JTextArea c = new JTextArea("area "+i) {
+                                boolean initialized = false, added = false;
+                                int reshapeWidth=0, reshapeHeight=0;
+                                @Override
+                                public void addNotify() {
+                                    added = true;
+                                    super.addNotify();
+                                }
+                                @SuppressWarnings("deprecation")
+                                @Override
+                                public void reshape(int x, int y, int width, int height) {
+                                    super.reshape(x, y, width, height);
+                                    reshapeWidth = width; reshapeHeight = height;
+                                }
+                                @Override
+                                protected void paintComponent(final Graphics g) {
+                                    super.paintComponent(g);
+                                    if( !initialized && added && reshapeWidth > 0 && reshapeHeight > 0 && isDisplayable() ) {
+                                        initialized = true;
+                                        initCount++;
+                                    }
+                                }
+                            };
+                            c.setEditable(false);
+                            c.setSize(eSize);
+                            c.setPreferredSize(eSize);
+                            panel.add(c);
+                        }
                         frame[i].getContentPane().add(panel);
 
                         // frame.validate();
@@ -124,9 +172,9 @@ public class TestPerf001GLJPanelInit02AWT extends UITestCase {
         }
         t[3] = Platform.currentTimeMillis();
         final double panelCountF = frameCount;
-        System.err.printf("P: %d %s:%n\tctor\t%6d/t %6.2f/1%n\tvisible\t%6d/t %6.2f/1%n\tsum-i\t%6d/t %6.2f/1%n",
+        System.err.printf("P: %d %s%s:%n\tctor\t%6d/t %6.2f/1%n\tvisible\t%6d/t %6.2f/1%n\tsum-i\t%6d/t %6.2f/1%n",
                 frameCount,
-                useGLJPanel?"GLJPanel":"GLCanvas",
+                useGLJPanel?"GLJPanel":(useGLCanvas?"GLCanvas":"No_GL"), initMT?" (mt)":" (01)",
                 t[1]-t[0], (t[1]-t[0])/panelCountF,
                 t[3]-t[1], (t[3]-t[1])/panelCountF,
                 t[3]-t[0], (t[3]-t[0])/panelCountF);
@@ -160,8 +208,8 @@ public class TestPerf001GLJPanelInit02AWT extends UITestCase {
         System.err.println("Total: "+(t[4]-t[0]));
     }
 
-    private GLAutoDrawable createGLCanvas(boolean useGears, GLAnimatorControl anim, Dimension size) {
-        GLCanvas canvas = new GLCanvas();
+    private GLAutoDrawable createGLCanvas(GLCapabilitiesImmutable caps, boolean useGears, GLAnimatorControl anim, Dimension size) {
+        GLCanvas canvas = new GLCanvas(caps);
         canvas.setSize(size);
         canvas.setPreferredSize(size);
         if( useGears ) {
@@ -172,8 +220,8 @@ public class TestPerf001GLJPanelInit02AWT extends UITestCase {
         }
         return canvas;
     }
-    private GLAutoDrawable createGLJPanel(boolean useGears, GLAnimatorControl anim, Dimension size) {
-        GLJPanel canvas = new GLJPanel();
+    private GLAutoDrawable createGLJPanel(boolean initMT, GLCapabilitiesImmutable caps, boolean useGears, GLAnimatorControl anim, Dimension size) {
+        GLJPanel canvas = new GLJPanel(caps);
         canvas.setSize(size);
         canvas.setPreferredSize(size);
         if( useGears ) {
@@ -182,17 +230,50 @@ public class TestPerf001GLJPanelInit02AWT extends UITestCase {
         if( null != anim ) {
             anim.add(canvas);
         }
+        if( initMT ) {
+            canvas.initializeBackend(true /* offthread */);
+        }
         return canvas;
     }
 
+    static GLCapabilitiesImmutable caps = null;
+
+    @Test
+    public void test00NopNoGLDefGrid() throws InterruptedException, InvocationTargetException {
+        test(null, false /*useGears*/, width, height , frameCount, false /* initMT */, false /* useGLJPanel */,
+             false /* useGLCanvas */, false /*useAnim*/, false /* overlap */);
+    }
+
+    @Test
+    public void test01NopGLCanvasDefGrid() throws InterruptedException, InvocationTargetException {
+        test(new GLCapabilities(null), false /*useGears*/, width, height , frameCount, false /* initMT */, false /* useGLJPanel */,
+             true /* useGLCanvas */, false /*useAnim*/, false /* overlap */);
+    }
+
     @Test
-    public void test01NopGLJPanel() throws InterruptedException, InvocationTargetException {
-        test(false /*useGears*/, width, height, frameCount , true /* useGLJPanel */, false /*useAnim*/);
+    public void test02NopGLJPanelDefGridSingle() throws InterruptedException, InvocationTargetException {
+        test(new GLCapabilities(null), false /*useGears*/, width, height , frameCount, false /* initMT */, true /* useGLJPanel */,
+             false /* useGLCanvas */, false /*useAnim*/, false /* overlap */);
     }
 
     @Test
-    public void test02NopGLCanvas() throws InterruptedException, InvocationTargetException {
-        test(false /*useGears*/, width, height, frameCount , false /* useGLJPanel */, false /*useAnim*/);
+    public void test03NopGLJPanelDefGridMT() throws InterruptedException, InvocationTargetException {
+        test(new GLCapabilities(null), false /*useGears*/, width, height , frameCount, true  /* initMT */, true /* useGLJPanel */,
+             false /* useGLCanvas */, false /*useAnim*/, false /* overlap */);
+    }
+
+    // @Test
+    public void test04NopGLJPanelDefOverlapSingle() throws InterruptedException, InvocationTargetException {
+        test(new GLCapabilities(null), false /*useGears*/, width, height , frameCount, false /* initMT */, true /* useGLJPanel */,
+             false /* useGLCanvas */, false /*useAnim*/, true /* overlap */);
+    }
+
+    // @Test
+    public void test05NopGLJPanelBitmapGridSingle() throws InterruptedException, InvocationTargetException {
+        GLCapabilities caps = new GLCapabilities(null);
+        caps.setBitmap(true);
+        test(caps, false /*useGears*/, width, height , frameCount, false /* initMT */, true /* useGLJPanel */,
+             false /* useGLCanvas */, false /*useAnim*/, false);
     }
 
     static long duration = 0; // ms
@@ -202,7 +283,7 @@ public class TestPerf001GLJPanelInit02AWT extends UITestCase {
     volatile int initCount = 0;
 
     public static void main(String[] args) {
-        boolean useGLJPanel = true, useGears = false, manual=false;
+        boolean useGLJPanel = true, initMT = false, useGLCanvas = false, useGears = false, manual=false;
         boolean waitMain = false;
 
         for(int i=0; i<args.length; i++) {
@@ -215,8 +296,17 @@ public class TestPerf001GLJPanelInit02AWT extends UITestCase {
                 height = MiscUtils.atoi(args[++i], height);
             } else if(args[i].equals("-count")) {
                 frameCount = MiscUtils.atoi(args[++i], frameCount);
+            } else if(args[i].equals("-initMT")) {
+                initMT = true;
+                manual = true;
             } else if(args[i].equals("-glcanvas")) {
                 useGLJPanel = false;
+                useGLCanvas = true;
+                manual = true;
+            } else if(args[i].equals("-glnone")) {
+                useGLJPanel = false;
+                useGLCanvas = false;
+                manual = true;
             } else if(args[i].equals("-gears")) {
                 useGears = true;
             } else if(args[i].equals("-wait")) {
@@ -235,7 +325,7 @@ public class TestPerf001GLJPanelInit02AWT extends UITestCase {
         if( manual ) {
             GLProfile.initSingleton();
             TestPerf001GLJPanelInit02AWT demo = new TestPerf001GLJPanelInit02AWT();
-            demo.test(useGears, width, height, frameCount, useGLJPanel, false /*useAnim*/);
+            demo.test(null, useGears, width, height, frameCount, initMT, useGLJPanel, useGLCanvas, false /*useAnim*/, false /* overlap */);
         } else {
             org.junit.runner.JUnitCore.main(TestPerf001GLJPanelInit02AWT.class.getName());
         }
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/perf/TestPerf001GLWindowInit03NEWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/perf/TestPerf001GLWindowInit03NEWT.java
new file mode 100644
index 000000000..ce93b2615
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/perf/TestPerf001GLWindowInit03NEWT.java
@@ -0,0 +1,203 @@
+/**
+ * Copyright 2013 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.perf;
+
+import java.lang.reflect.InvocationTargetException;
+
+import javax.media.opengl.GLAutoDrawable;
+import javax.media.opengl.GLCapabilities;
+import javax.media.opengl.GLCapabilitiesImmutable;
+import javax.media.opengl.GLEventListener;
+import javax.media.opengl.GLProfile;
+
+import org.junit.BeforeClass;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.runners.MethodSorters;
+
+import com.jogamp.common.os.Platform;
+import com.jogamp.newt.NewtFactory;
+import com.jogamp.newt.Screen;
+import com.jogamp.newt.opengl.GLWindow;
+import com.jogamp.opengl.test.junit.jogl.demos.es2.GearsES2;
+import com.jogamp.opengl.test.junit.util.MiscUtils;
+import com.jogamp.opengl.test.junit.util.UITestCase;
+
+/**
+ * Multiple GLJPanels in a JFrame
+ */
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+public class TestPerf001GLWindowInit03NEWT extends UITestCase {
+
+    @BeforeClass
+    public static void initClass() {
+        GLProfile.initSingleton();
+    }
+
+    public void test(final GLCapabilitiesImmutable caps, final boolean useGears, final int width, final int height, final int frameCount, boolean reuseDevice) {
+        final int cols = (int)Math.round(Math.sqrt(frameCount));
+        final int rows = frameCount / cols;
+        final int eWidth = width/cols;
+        final int eHeight = height/rows;
+
+        final GLWindow[] frame = new GLWindow[frameCount];
+        final long[] t = new long[10];
+        if( wait ) {
+            UITestCase.waitForKey("Pre-Init");
+        }
+        System.err.println("INIT START");
+        initCount = 0;
+
+        t[0] = Platform.currentTimeMillis();
+        int x = 32, y = 32;
+        for(int i=0; i<frameCount; i++) {
+            final Screen screen = NewtFactory.createScreen(NewtFactory.createDisplay(null, reuseDevice), 0);
+            frame[i] = GLWindow.create(screen, caps);
+            frame[i].setTitle("frame_"+i+"/"+frameCount);
+            frame[i].setPosition(x, y);
+            x+=eWidth+32;
+            if(x>=width) {
+                x=32;
+                y+=eHeight+32;
+            }
+            frame[i].setSize(eWidth, eHeight);
+            if( useGears ) {
+                frame[i].addGLEventListener(new GearsES2());
+            }
+            frame[i].addGLEventListener(new GLEventListener() {
+                @Override
+                public void init(GLAutoDrawable drawable) {
+                    initCount++;
+                }
+                @Override
+                public void dispose(GLAutoDrawable drawable) {}
+                @Override
+                public void display(GLAutoDrawable drawable) {}
+                @Override
+                public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {}
+            });
+        }
+        t[1] = Platform.currentTimeMillis();
+        for(int i=0; i<frameCount; i++) {
+            frame[i].setVisible(false /*wait*/, true /*visible*/);
+        }
+        t[2] = Platform.currentTimeMillis();
+
+        while( frameCount > initCount ) {
+            try {
+                Thread.sleep(10);
+            } catch (InterruptedException e1) {
+                e1.printStackTrace();
+            }
+        }
+        t[3] = Platform.currentTimeMillis();
+        final double panelCountF = frameCount;
+        System.err.printf("P: %d GLWindow:%n\tctor\t%6d/t %6.2f/1%n\tvisible\t%6d/t %6.2f/1%n\tsum-i\t%6d/t %6.2f/1%n",
+                frameCount,
+                t[1]-t[0], (t[1]-t[0])/panelCountF,
+                t[3]-t[1], (t[3]-t[1])/panelCountF,
+                t[3]-t[0], (t[3]-t[0])/panelCountF);
+
+        System.err.println("INIT END: "+initCount);
+        if( wait ) {
+            UITestCase.waitForKey("Post-Init");
+        }
+        try {
+            Thread.sleep(duration);
+        } catch (InterruptedException e1) {
+            e1.printStackTrace();
+        }
+        t[4] = Platform.currentTimeMillis();
+        for(int i=0; i<frameCount; i++) {
+            frame[i].destroy();
+        }
+
+        final long ti_net = (t[4]-t[0])-duration;
+        System.err.printf("T: duration %d %d%n\ttotal-d\t%6d/t %6.2f/1%n\ttotal-i\t%6d/t %6.2f/1%n",
+                duration, t[4]-t[3],
+                t[4]-t[0], (t[4]-t[0])/panelCountF,
+                ti_net, ti_net/panelCountF);
+        System.err.println("Total: "+(t[4]-t[0]));
+    }
+
+    static GLCapabilitiesImmutable caps = null;
+
+    @Test
+    public void test01NopGLWindowNoReuse() throws InterruptedException, InvocationTargetException {
+        test(new GLCapabilities(null), false /*useGears*/, width, height , frameCount, false /* reuseDevice */);
+    }
+    @Test
+    public void test02NopGLWindowReuse() throws InterruptedException, InvocationTargetException {
+        test(new GLCapabilities(null), false /*useGears*/, width, height , frameCount, true /* reuseDevice */);
+    }
+
+    static long duration = 0; // ms
+    static boolean wait = false;
+    static int width = 800, height = 600, frameCount = 25;
+
+    volatile int initCount = 0;
+
+    public static void main(String[] args) {
+        boolean useGears = false, manual=false;
+        boolean waitMain = false;
+
+        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("-width")) {
+                width = MiscUtils.atoi(args[++i], width);
+            } else if(args[i].equals("-height")) {
+                height = MiscUtils.atoi(args[++i], height);
+            } else if(args[i].equals("-count")) {
+                frameCount = MiscUtils.atoi(args[++i], frameCount);
+            } else if(args[i].equals("-gears")) {
+                useGears = true;
+            } else if(args[i].equals("-wait")) {
+                wait = true;
+                manual = true;
+            } else if(args[i].equals("-waitMain")) {
+                waitMain = true;
+                manual = true;
+            } else if(args[i].equals("-manual")) {
+                manual = true;
+            }
+        }
+        if( waitMain ) {
+            UITestCase.waitForKey("Main-Start");
+        }
+        if( manual ) {
+            GLProfile.initSingleton();
+            TestPerf001GLWindowInit03NEWT demo = new TestPerf001GLWindowInit03NEWT();
+            demo.test(null, useGears, width, height, frameCount, false /* reuseDevice */);
+        } else {
+            org.junit.runner.JUnitCore.main(TestPerf001GLWindowInit03NEWT.class.getName());
+        }
+    }
+
+}