Merge branch 'master' into stash_glyphcache

Conflicts:
	make/scripts/tests.sh
	src/jogl/classes/com/jogamp/graph/curve/OutlineShape.java
	src/jogl/classes/com/jogamp/graph/curve/Region.java
	src/jogl/classes/com/jogamp/graph/curve/opengl/GLRegion.java
	src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java
	src/jogl/classes/com/jogamp/graph/curve/opengl/Renderer.java
	src/jogl/classes/com/jogamp/graph/curve/opengl/TextRenderer.java
	src/jogl/classes/com/jogamp/graph/font/Font.java
	src/jogl/classes/com/jogamp/opengl/math/VectorUtil.java
	src/jogl/classes/jogamp/graph/curve/text/GlyphShape.java
	src/jogl/classes/jogamp/graph/curve/text/GlyphString.java
	src/jogl/classes/jogamp/graph/font/typecast/TypecastFont.java
	src/jogl/classes/jogamp/graph/font/typecast/TypecastGlyph.java
	src/jogl/classes/jogamp/graph/font/typecast/TypecastRenderer.java

19 files changed, 2092 insertions, 1150 deletions

diff --git a/src/jogl/classes/jogamp/opengl/egl/DesktopES2DynamicLibraryBundleInfo.java b/src/jogl/classes/jogamp/opengl/egl/DesktopES2DynamicLibraryBundleInfo.java
index cddd142e9..7b85c3e75 100644
--- a/src/jogl/classes/jogamp/opengl/egl/DesktopES2DynamicLibraryBundleInfo.java
+++ b/src/jogl/classes/jogamp/opengl/egl/DesktopES2DynamicLibraryBundleInfo.java
@@ -3,14 +3,14 @@
  *
  * 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
@@ -20,12 +20,12 @@
  * 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 jogamp.opengl.egl;
 
 import java.util.*;
@@ -36,8 +36,8 @@ import jogamp.opengl.*;
  * Implementation of the DynamicLookupHelper for Desktop ES2 (AMD, ..)
  * where EGL and ES2 functions reside within the desktop OpenGL library.
  */
-public class DesktopES2DynamicLibraryBundleInfo extends GLDynamicLibraryBundleInfo {
-    static List<String> glueLibNames;
+public final class DesktopES2DynamicLibraryBundleInfo extends GLDynamicLibraryBundleInfo {
+    static final List<String> glueLibNames;
     static {
         glueLibNames = new ArrayList<String>();
         glueLibNames.add("jogl_mobile");
@@ -47,35 +47,29 @@ public class DesktopES2DynamicLibraryBundleInfo extends GLDynamicLibraryBundleIn
         super();
     }
 
-    /** 
-     * Might be a desktop GL library, and might need to allow symbol access to subsequent libs.
-     * 
-     * This respects old DRI requirements:<br>
-     * <pre>
-     * http://dri.sourceforge.net/doc/DRIuserguide.html
-     * </pre>
-     */
-    public boolean shallLinkGlobal() { return true; }
-    
+    @Override
     public final List<String> getToolGetProcAddressFuncNameList() {
         List<String> res = new ArrayList<String>();
         res.add("eglGetProcAddress");
         return res;
     }
 
+    @Override
     public final long toolGetProcAddress(long toolGetProcAddressHandle, String funcName) {
         return EGL.eglGetProcAddress(toolGetProcAddressHandle, funcName);
     }
 
+    @Override
     public final boolean useToolGetProcAdressFirst(String funcName) {
         return true;
     }
-    
-    public List<List<String>> getToolLibNames() {
+
+    @Override
+    public final List<List<String>> getToolLibNames() {
         final List<List<String>> libsList = new ArrayList<List<String>>();
         final List<String> libsGL = new ArrayList<String>();
-        
-        // Be aware that on DRI systems, eg ATI fglrx, etc, 
+
+        // Be aware that on DRI systems, eg ATI fglrx, etc,
         // you have to set LIBGL_DRIVERS_PATH env variable.
         // Eg on Ubuntu 64bit systems this is:
         //    export LIBGL_DRIVERS_PATH=/usr/lib/fglrx/dri:/usr/lib32/fglrx/dri
@@ -92,15 +86,16 @@ public class DesktopES2DynamicLibraryBundleInfo extends GLDynamicLibraryBundleIn
 
         // OSX (guess ES2 on OSX will never happen)
         libsGL.add("/System/Library/Frameworks/OpenGL.framework/Libraries/libGL.dylib");
-        
+
         // last but not least .. the generic one
         libsGL.add("GL");
-        
+
         libsList.add(libsGL);
         return libsList;
-    }    
-        
+    }
+
+    @Override
     public final List<String> getGlueLibNames() {
         return glueLibNames;
-    }    
+    }
 }
diff --git a/src/jogl/classes/jogamp/opengl/egl/EGLContext.java b/src/jogl/classes/jogamp/opengl/egl/EGLContext.java
index f5f9f62c4..f89ded4f6 100644
--- a/src/jogl/classes/jogamp/opengl/egl/EGLContext.java
+++ b/src/jogl/classes/jogamp/opengl/egl/EGLContext.java
@@ -1,22 +1,22 @@
 /*
  * Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved.
  * Copyright (c) 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:
- * 
+ *
  * - Redistribution of source code must retain the above copyright
  *   notice, this list of conditions and the following disclaimer.
- * 
+ *
  * - Redistribution in binary form must reproduce the above copyright
  *   notice, this list of conditions and the following disclaimer in the
  *   documentation and/or other materials provided with the distribution.
- * 
+ *
  * Neither the name of Sun Microsystems, Inc. or the names of
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
- * 
+ *
  * This software is provided "AS IS," without a warranty of any kind. ALL
  * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
  * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
@@ -29,7 +29,7 @@
  * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
  * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
  * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
- * 
+ *
  * Sun gratefully acknowledges that this software was originally authored
  * and developed by Kenneth Bradley Russell and Christopher John Kline.
  */
@@ -42,7 +42,9 @@ import java.util.Map;
 
 import javax.media.nativewindow.AbstractGraphicsConfiguration;
 import javax.media.nativewindow.AbstractGraphicsDevice;
+import javax.media.opengl.GLCapabilitiesImmutable;
 import javax.media.opengl.GLContext;
+import javax.media.opengl.GLDrawableFactory;
 import javax.media.opengl.GLException;
 import javax.media.opengl.GLProfile;
 
@@ -50,11 +52,12 @@ import jogamp.opengl.GLContextImpl;
 import jogamp.opengl.GLDrawableImpl;
 
 import com.jogamp.common.nio.Buffers;
-import com.jogamp.common.os.Platform;
 import com.jogamp.gluegen.runtime.ProcAddressTable;
 import com.jogamp.gluegen.runtime.opengl.GLProcAddressResolver;
+import com.jogamp.nativewindow.egl.EGLGraphicsDevice;
+import com.jogamp.opengl.GLRendererQuirks;
 
-public abstract class EGLContext extends GLContextImpl {
+public class EGLContext extends GLContextImpl {
     private boolean eglQueryStringInitialized;
     private boolean eglQueryStringAvailable;
     private EGLExt _eglExt;
@@ -68,14 +71,15 @@ public abstract class EGLContext extends GLContextImpl {
     }
 
     @Override
-    protected void resetStates() {
+    protected void resetStates(boolean isInit) {
         eglQueryStringInitialized = false;
         eglQueryStringAvailable = false;
         eglExtProcAddressTable = null;
         // no inner state _eglExt = null;
-        super.resetStates();
+        super.resetStates(isInit);
     }
-    
+
+    @Override
     public Object getPlatformGLExtensions() {
       return getEGLExt();
     }
@@ -87,6 +91,7 @@ public abstract class EGLContext extends GLContextImpl {
       return _eglExt;
     }
 
+    @Override
     public final ProcAddressTable getPlatformExtProcAddressTable() {
         return eglExtProcAddressTable;
     }
@@ -95,75 +100,80 @@ public abstract class EGLContext extends GLContextImpl {
         return eglExtProcAddressTable;
     }
 
+    @Override
     protected Map<String, String> getFunctionNameMap() { return null; }
 
+    @Override
     protected Map<String, String> getExtensionNameMap() { return null; }
 
+    @Override
     public final boolean isGLReadDrawableAvailable() {
         return true;
     }
 
+    @Override
     protected void makeCurrentImpl() throws GLException {
-        if(EGL.EGL_NO_DISPLAY==((EGLDrawable)drawable).getDisplay() ) {
-            throw new GLException("drawable not properly initialized, NO DISPLAY: "+drawable);
-        }
         if (EGL.eglGetCurrentContext() != contextHandle) {
-            if (!EGL.eglMakeCurrent(((EGLDrawable)drawable).getDisplay(),
-                                    drawable.getHandle(),
-                                    drawableRead.getHandle(),
-                                    contextHandle)) {
-                throw new GLException("Error making context 0x" +
-                                      Long.toHexString(contextHandle) + " current: error code 0x" + Integer.toHexString(EGL.eglGetError()));
+            final long dpy = drawable.getNativeSurface().getDisplayHandle();
+            if (!EGL.eglMakeCurrent(dpy, drawable.getHandle(), drawableRead.getHandle(), contextHandle)) {
+                throw new GLException("Error making context " + toHexString(contextHandle) +
+                                      " current on Thread " + getThreadName() +
+                                      " with display " + toHexString(dpy) +
+                                      ", drawableWrite " + toHexString(drawable.getHandle()) +
+                                      ", drawableRead "+ toHexString(drawableRead.getHandle()) +
+                                      " - Error code " + toHexString(EGL.eglGetError()) + ", " + this);
             }
         }
     }
 
+    @Override
     protected void releaseImpl() throws GLException {
-      if (!EGL.eglMakeCurrent(((EGLDrawable)drawable).getDisplay(),
-                              EGL.EGL_NO_SURFACE,
-                              EGL.EGL_NO_SURFACE,
-                              EGL.EGL_NO_CONTEXT)) {
-            throw new GLException("Error freeing OpenGL context 0x" +
-                                  Long.toHexString(contextHandle) + ": error code 0x" + Integer.toHexString(EGL.eglGetError()));
+      if (!EGL.eglMakeCurrent(drawable.getNativeSurface().getDisplayHandle(), EGL.EGL_NO_SURFACE, EGL.EGL_NO_SURFACE, EGL.EGL_NO_CONTEXT)) {
+            throw new GLException("Error freeing OpenGL context " + toHexString(contextHandle) +
+                                  ": error code " + toHexString(EGL.eglGetError()));
       }
     }
 
+    @Override
     protected void destroyImpl() throws GLException {
-      if (!EGL.eglDestroyContext(((EGLDrawable)drawable).getDisplay(), contextHandle)) {
-          final int eglError = EGL.eglGetError();
-          if(EGL.EGL_SUCCESS != eglError) { /* oops, Mesa EGL impl. may return false, but has no EGL error */
-              throw new GLException("Error destroying OpenGL context 0x" +
-                                    Long.toHexString(contextHandle) + ": error code 0x" + Integer.toHexString(eglError));
-          }
-      }
+        destroyContextARBImpl(contextHandle);
     }
 
+    @Override
     protected long createContextARBImpl(long share, boolean direct, int ctp, int major, int minor) {
         return 0; // FIXME
     }
 
+    @Override
     protected void destroyContextARBImpl(long _context) {
-        // FIXME
+        if (!EGL.eglDestroyContext(drawable.getNativeSurface().getDisplayHandle(), _context)) {
+            final int eglError = EGL.eglGetError();
+            if(EGL.EGL_SUCCESS != eglError) { /* oops, Mesa EGL impl. may return false, but has no EGL error */
+                throw new GLException("Error destroying OpenGL context " + toHexString(_context) +
+                        ": error code " + toHexString(eglError));
+            }
+        }
     }
 
-    protected boolean createImpl(GLContextImpl shareWith) throws GLException {
-        long eglDisplay = ((EGLDrawable)drawable).getDisplay();
-        EGLGraphicsConfiguration config = ((EGLDrawable)drawable).getGraphicsConfiguration();
-        GLProfile glProfile = drawable.getGLProfile();
-        long eglConfig = config.getNativeConfig();
-        long shareWithHandle = EGL.EGL_NO_CONTEXT;
-
-        if (eglDisplay == 0) {
+    @Override
+    protected boolean createImpl(final long shareWithHandle) throws GLException {
+        final EGLGraphicsConfiguration config = (EGLGraphicsConfiguration) drawable.getNativeSurface().getGraphicsConfiguration();
+        final long eglDisplay = config.getScreen().getDevice().getHandle();
+        final GLProfile glProfile = drawable.getGLProfile();
+        final long eglConfig = config.getNativeConfig();
+        // 0 == EGL.EGL_NO_CONTEXT;
+
+        if ( 0 == eglDisplay ) {
             throw new GLException("Error: attempted to create an OpenGL context without a display connection");
         }
-        if (eglConfig == 0) {
+        if ( 0 == eglConfig ) {
             throw new GLException("Error: attempted to create an OpenGL context without a graphics configuration");
         }
 
         try {
             // might be unavailable on EGL < 1.2
-            if(!EGL.eglBindAPI(EGL.EGL_OPENGL_ES_API)) {
-                throw new GLException("Catched: eglBindAPI to ES failed , error 0x"+Integer.toHexString(EGL.eglGetError()));
+            if( !EGL.eglBindAPI(EGL.EGL_OPENGL_ES_API) ) {
+                throw new GLException("Catched: eglBindAPI to ES failed , error "+toHexString(EGL.eglGetError()));
             }
         } catch (GLException glex) {
             if (DEBUG) {
@@ -171,26 +181,29 @@ public abstract class EGLContext extends GLContextImpl {
             }
         }
 
-        if (shareWith != null) {
-            shareWithHandle = shareWith.getHandle();
-            if (shareWithHandle == 0) {
-                throw new GLException("GLContextShareSet returned an invalid OpenGL context");
-            }
-        }
+        // Cannot check extension 'EGL_KHR_create_context' before having one current!
 
-        final IntBuffer contextAttrsNIO; 
+        final IntBuffer contextAttrsNIO;
+        final int contextVersionReq, contextVersionAttr;
         {
-            final int[] contextAttrs = new int[] {
-                    EGL.EGL_CONTEXT_CLIENT_VERSION, -1,
-                    EGL.EGL_NONE
-            };
-            if (glProfile.usesNativeGLES2()) {
-                contextAttrs[1] = 2;
-            } else if (glProfile.usesNativeGLES1()) {
-                contextAttrs[1] = 1;
+            if ( glProfile.usesNativeGLES3() ) {
+                contextVersionReq = 3;
+                if( GLRendererQuirks.existStickyDeviceQuirk( GLDrawableFactory.getEGLFactory().getDefaultDevice(), GLRendererQuirks.GLES3ViaEGLES2Config) ) {
+                    contextVersionAttr = 2;
+                } else {
+                    contextVersionAttr = 3;
+                }
+            } else if ( glProfile.usesNativeGLES2() ) {
+                contextVersionReq = 2;
+                contextVersionAttr = 2;
+            } else if ( glProfile.usesNativeGLES1() ) {
+                contextVersionReq = 1;
+                contextVersionAttr = 1;
             } else {
                 throw new GLException("Error creating OpenGL context - invalid GLProfile: "+glProfile);
             }
+            // EGLExt.EGL_CONTEXT_MAJOR_VERSION_KHR == EGL.EGL_CONTEXT_CLIENT_VERSION
+            final int[] contextAttrs = new int[] { EGL.EGL_CONTEXT_CLIENT_VERSION, contextVersionAttr, EGL.EGL_NONE };
             contextAttrsNIO = Buffers.newDirectIntBuffer(contextAttrs);
         }
         contextHandle = EGL.eglCreateContext(eglDisplay, eglConfig, shareWithHandle, contextAttrsNIO);
@@ -200,31 +213,32 @@ public abstract class EGLContext extends GLContextImpl {
         }
         if (DEBUG) {
             System.err.println(getThreadName() + ": Created OpenGL context 0x" +
-                               Long.toHexString(contextHandle) + 
+                               Long.toHexString(contextHandle) +
                                ",\n\twrite surface 0x" + Long.toHexString(drawable.getHandle()) +
                                ",\n\tread  surface 0x" + Long.toHexString(drawableRead.getHandle())+
                                ",\n\t"+this+
                                ",\n\tsharing with 0x" + Long.toHexString(shareWithHandle));
         }
-        if (!EGL.eglMakeCurrent(((EGLDrawable)drawable).getDisplay(),
-                                drawable.getHandle(),
-                                drawableRead.getHandle(),
-                                contextHandle)) {
-            throw new GLException("Error making context 0x" +
-                                  Long.toHexString(contextHandle) + " current: error code " + EGL.eglGetError());
+        if (!EGL.eglMakeCurrent(eglDisplay, drawable.getHandle(), drawableRead.getHandle(), contextHandle)) {
+            throw new GLException("Error making context " +
+                                  toHexString(contextHandle) + " current: error code " + toHexString(EGL.eglGetError()));
         }
-        int ctp = CTX_PROFILE_ES;
-        int major;
-        if(glProfile.usesNativeGLES2()) {
-            ctp |= CTX_IMPL_ES2_COMPAT;
-            major = 2;
-        } else {            
-            major = 1;
+        if( !setGLFunctionAvailability(true, contextVersionReq, 0, CTX_PROFILE_ES,
+                                       true /* strictMatch */, // always req. strict match
+                                       false /* withinGLVersionsMapping */) ) {
+            if(DEBUG) {
+                System.err.println(getThreadName() + ": createImpl: setGLFunctionAvailability FAILED delete "+toHexString(contextHandle));
+            }
+            EGL.eglMakeCurrent(drawable.getNativeSurface().getDisplayHandle(), EGL.EGL_NO_SURFACE, EGL.EGL_NO_SURFACE, EGL.EGL_NO_CONTEXT);
+            EGL.eglDestroyContext(drawable.getNativeSurface().getDisplayHandle(), contextHandle);
+            contextHandle = 0;
+            return false;
+        } else {
+            return true;
         }
-        setGLFunctionAvailability(true, major, 0, ctp);
-        return true;
     }
 
+    @Override
     protected final void updateGLXProcAddressTable() {
         final AbstractGraphicsConfiguration aconfig = drawable.getNativeSurface().getGraphicsConfiguration();
         final AbstractGraphicsDevice adevice = aconfig.getScreen().getDevice();
@@ -255,17 +269,16 @@ public abstract class EGLContext extends GLContextImpl {
             }
         }
     }
-  
+
+    @Override
     protected final StringBuilder getPlatformExtensionsStringImpl() {
-        StringBuilder sb = new StringBuilder();        
+        StringBuilder sb = new StringBuilder();
         if (!eglQueryStringInitialized) {
-          eglQueryStringAvailable =
-            getDrawableImpl().getGLDynamicLookupHelper().dynamicLookupFunction("eglQueryString") != 0;
+          eglQueryStringAvailable = getDrawableImpl().getGLDynamicLookupHelper().isFunctionAvailable("eglQueryString");
           eglQueryStringInitialized = true;
         }
         if (eglQueryStringAvailable) {
-            final String ret = EGL.eglQueryString(((EGLDrawable)drawable).getDisplay(), 
-                                                  EGL.EGL_EXTENSIONS);
+            final String ret = EGL.eglQueryString(drawable.getNativeSurface().getDisplayHandle(), EGL.EGL_EXTENSIONS);
             if (DEBUG) {
               System.err.println("EGL extensions: " + ret);
             }
@@ -276,22 +289,63 @@ public abstract class EGLContext extends GLContextImpl {
 
     @Override
     protected boolean setSwapIntervalImpl(int interval) {
-        // FIXME !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-        // eglSwapInterval(..) issued:
-        //   Android 4.0.3 / Pandaboard ES / PowerVR SGX 540: crashes
-        // FIXME !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-        if( Platform.OSType.ANDROID == Platform.getOSType() && getGLRendererString(true).contains("powervr") ) {
-            if(DEBUG) {
-                System.err.println("Ignored: eglSwapInterval("+interval+") - cause: OS "+Platform.getOSType() + " / Renderer " + getGLRendererString(false));
-            }
+        if( hasRendererQuirk(GLRendererQuirks.NoSetSwapInterval) ) {
             return false;
         }
-        return EGL.eglSwapInterval(((EGLDrawable)drawable).getDisplay(), interval);
+        return EGL.eglSwapInterval(drawable.getNativeSurface().getDisplayHandle(), interval);
     }
 
-    public abstract void bindPbufferToTexture();
+    //
+    // Accessible ..
+    //
 
-    public abstract void releasePbufferFromTexture();
+    /* pp */ void mapCurrentAvailableGLVersion(AbstractGraphicsDevice device) {
+        mapStaticGLVersion(device, ctxVersion.getMajor(), ctxVersion.getMinor(), ctxOptions);
+    }
+    /* pp */ int getContextOptions() { return ctxOptions; }
+    /* pp */ static void mapStaticGLESVersion(AbstractGraphicsDevice device, GLCapabilitiesImmutable caps) {
+        final GLProfile glp = caps.getGLProfile();
+        final int[] reqMajorCTP = new int[2];
+        GLContext.getRequestMajorAndCompat(glp, reqMajorCTP);
+        if( glp.isGLES() ) {
+            if( reqMajorCTP[0] >= 3 ) {
+                reqMajorCTP[1] |= GLContext.CTX_IMPL_ES3_COMPAT | GLContext.CTX_IMPL_ES2_COMPAT | GLContext.CTX_IMPL_FBO ;
+            } else if( reqMajorCTP[0] >= 2 ) {
+                reqMajorCTP[1] |= GLContext.CTX_IMPL_ES2_COMPAT | GLContext.CTX_IMPL_FBO ;
+            }
+        }
+        if( !caps.getHardwareAccelerated() ) {
+            reqMajorCTP[1] |= GLContext.CTX_IMPL_ACCEL_SOFT;
+        }
+        mapStaticGLVersion(device, reqMajorCTP[0], 0, reqMajorCTP[1]);
+    }
+    /* pp */ static void mapStaticGLVersion(AbstractGraphicsDevice device, int major, int minor, int ctp) {
+        if( 0 != ( ctp & GLContext.CTX_PROFILE_ES) ) {
+            // ES1, ES2, ES3, ..
+            mapStaticGLVersion(device, major /* reqMajor */, major, minor, ctp);
+            if( 3 == major ) {
+                // map ES2 -> ES3
+                mapStaticGLVersion(device, 2 /* reqMajor */, major, minor, ctp);
+            }
+        }
+    }
+    private static void mapStaticGLVersion(AbstractGraphicsDevice device, int reqMajor, int major, int minor, int ctp) {
+        GLContext.mapAvailableGLVersion(device, reqMajor, GLContext.CTX_PROFILE_ES, major, minor, ctp);
+        if(! ( device instanceof EGLGraphicsDevice ) ) {
+            final EGLGraphicsDevice eglDevice = new EGLGraphicsDevice(device.getHandle(), EGL.EGL_NO_DISPLAY, device.getConnection(), device.getUnitID(), null);
+            GLContext.mapAvailableGLVersion(eglDevice, reqMajor, GLContext.CTX_PROFILE_ES, major, minor, ctp);
+        }
+    }
+    protected static String getGLVersion(int major, int minor, int ctp, String gl_version) {
+        return GLContext.getGLVersion(major, minor, ctp, gl_version);
+    }
+
+    protected static boolean getAvailableGLVersionsSet(AbstractGraphicsDevice device) {
+        return GLContext.getAvailableGLVersionsSet(device);
+    }
+    protected static void setAvailableGLVersionsSet(AbstractGraphicsDevice device) {
+        GLContext.setAvailableGLVersionsSet(device);
+    }
 
     protected static String toHexString(int hex) {
         return GLContext.toHexString(hex);
@@ -299,25 +353,23 @@ public abstract class EGLContext extends GLContextImpl {
     protected static String toHexString(long hex) {
         return GLContext.toHexString(hex);
     }
-    
+
     //----------------------------------------------------------------------
     // Currently unimplemented stuff
     //
 
+    @Override
     protected void copyImpl(GLContext source, int mask) throws GLException {
         throw new GLException("Not yet implemented");
     }
 
-
-    public ByteBuffer glAllocateMemoryNV(int arg0, float arg1, float arg2, float arg3) {
-        throw new GLException("Should not call this");
-    }
-
-    public boolean offscreenImageNeedsVerticalFlip() {
+    @Override
+    public final ByteBuffer glAllocateMemoryNV(int size, float readFrequency, float writeFrequency, float priority) {
         throw new GLException("Should not call this");
     }
 
-    public int getOffscreenContextPixelDataType() {
+    @Override
+    public final void glFreeMemoryNV(ByteBuffer pointer) {
         throw new GLException("Should not call this");
     }
 }
diff --git a/src/jogl/classes/jogamp/opengl/egl/EGLDisplayUtil.java b/src/jogl/classes/jogamp/opengl/egl/EGLDisplayUtil.java
index e09400c09..c5f76f667 100644
--- a/src/jogl/classes/jogamp/opengl/egl/EGLDisplayUtil.java
+++ b/src/jogl/classes/jogamp/opengl/egl/EGLDisplayUtil.java
@@ -3,14 +3,14 @@
  *
  * 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
@@ -20,7 +20,7 @@
  * 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.
@@ -29,105 +29,310 @@
 package jogamp.opengl.egl;
 
 import java.nio.IntBuffer;
+import java.util.Iterator;
 
+import javax.media.nativewindow.AbstractGraphicsDevice;
 import javax.media.nativewindow.NativeSurface;
 import javax.media.nativewindow.NativeWindowFactory;
+import javax.media.nativewindow.ToolkitLock;
+import javax.media.opengl.GLException;
 
 import jogamp.opengl.Debug;
 
-import com.jogamp.common.util.LongIntHashMap;
+import com.jogamp.common.util.LongObjectHashMap;
+import com.jogamp.nativewindow.egl.EGLGraphicsDevice;
 
-/** 
- * This implementation provides recursive calls to  
+/**
+ * This implementation provides recursive calls to
  * {@link EGL#eglInitialize(long, IntBuffer, IntBuffer)} and {@link EGL#eglTerminate(long)},
  * where <code>eglInitialize(..)</code> is issued only for the 1st call per <code>eglDisplay</code>
  * and <code>eglTerminate(..)</code> is issued only for the last call.
  * <p>
  * This class is required, due to implementation bugs within EGL where {@link EGL#eglTerminate(long)}
- * does not mark the resource for deletion when still in use, bug releases them immediatly.
+ * does not mark the resource for deletion when still in use, bug releases them immediately.
  * </p>
  */
 public class EGLDisplayUtil {
-    protected static final boolean DEBUG = Debug.debug("EGL");
-    
-    static LongIntHashMap eglDisplayCounter;
-    
+    private static final boolean DEBUG = Debug.debug("EGLDisplayUtil");
+    private static boolean useSingletonEGLDisplay = false;
+    private static EGLDisplayRef singletonEGLDisplay = null;
+
+    private static class EGLDisplayRef {
+        final long eglDisplay;
+        final Throwable createdStack;
+        int initRefCount;
+
+        /**
+         * Returns an already opened {@link EGLDisplayRef} or opens a new {@link EGLDisplayRef}.
+         * <p>
+         * Opened {@link EGLDisplayRef}s are mapped against their <code>eglDisplay</code> handle.
+         * </p>
+         * <p>
+         * Method utilizes {@link EGLDisplayRef}'s reference counter, i.e. increases it.
+         * </p>
+         * <p>
+         * An {@link EGLDisplayRef} is <i>opened</i> via {@link EGL#eglInitialize(long, IntBuffer, IntBuffer)}.
+         * </p>
+         */
+        static EGLDisplayRef getOrCreateOpened(final long eglDisplay, final IntBuffer major, final IntBuffer minor) {
+            EGLDisplayRef o = (EGLDisplayRef) openEGLDisplays.get(eglDisplay);
+            if( null == o ) {
+                if( EGL.eglInitialize(eglDisplay, major, minor) ) {
+                    final EGLDisplayRef n = new EGLDisplayRef(eglDisplay);
+                    openEGLDisplays.put(eglDisplay, n);
+                    n.initRefCount++;
+                    if( null == singletonEGLDisplay ) {
+                        singletonEGLDisplay = n;
+                    }
+                    return n;
+                } else {
+                    return null;
+                }
+            } else {
+                o.initRefCount++;
+                return o;
+            }
+        }
+
+        /**
+         * Closes an already opened {@link EGLDisplayRef}.
+         * <p>
+         * Method decreases a reference counter and closes the {@link EGLDisplayRef} if it reaches zero.
+         * </p>
+         * <p>
+         * An {@link EGLDisplayRef} is <i>closed</i> via {@link EGL#eglTerminate(long)}.
+         * </p>
+         */
+        static EGLDisplayRef closeOpened(final long eglDisplay, final boolean[] res) {
+            final EGLDisplayRef o = (EGLDisplayRef) openEGLDisplays.get(eglDisplay);
+            res[0] = true;
+            if( null != o ) {
+                if( 0 < o.initRefCount ) { // no negative refCount
+                    o.initRefCount--;
+                    if( 0 == o.initRefCount ) {
+                        res[0] = EGL.eglTerminate(eglDisplay);
+                        if( o == singletonEGLDisplay ) {
+                            singletonEGLDisplay = null;
+                        }
+                    }
+                }
+                if( 0 >= o.initRefCount ) {
+                    openEGLDisplays.remove(eglDisplay);
+                }
+            }
+            return o;
+        }
+
+        private EGLDisplayRef(long eglDisplay) {
+            this.eglDisplay = eglDisplay;
+            this.initRefCount = 0;
+            this.createdStack = DEBUG ? new Throwable() : null;
+        }
+
+        @Override
+        public String toString() {
+            return "EGLDisplayRef[0x"+Long.toHexString(eglDisplay)+": refCnt "+initRefCount+"]";
+        }
+    }
+    private static final LongObjectHashMap openEGLDisplays;
+
     static {
-        eglDisplayCounter = new LongIntHashMap();
-        eglDisplayCounter.setKeyNotFoundValue(0);
+        openEGLDisplays = new LongObjectHashMap();
+        openEGLDisplays.setKeyNotFoundValue(null);
+    }
+
+    /**
+     * @return number of unclosed EGL Displays.<br>
+     */
+    public static int shutdown(boolean verbose) {
+        if(DEBUG || verbose || openEGLDisplays.size() > 0 ) {
+            System.err.println("EGLDisplayUtil.EGLDisplays: Shutdown (open: "+openEGLDisplays.size()+")");
+            if(DEBUG) {
+                Thread.dumpStack();
+            }
+            if( openEGLDisplays.size() > 0) {
+                dumpOpenDisplayConnections();
+            }
+        }
+        return openEGLDisplays.size();
+    }
+
+    public static void dumpOpenDisplayConnections() {
+        System.err.println("EGLDisplayUtil: Open EGL Display Connections: "+openEGLDisplays.size());
+        int i=0;
+        for(Iterator<LongObjectHashMap.Entry> iter = openEGLDisplays.iterator(); iter.hasNext(); i++) {
+            final LongObjectHashMap.Entry e = iter.next();
+            final EGLDisplayRef v = (EGLDisplayRef) e.value;
+            System.err.println("EGLDisplayUtil: Open["+i+"]: 0x"+Long.toHexString(e.key)+": "+v);
+            if(null != v.createdStack) {
+                v.createdStack.printStackTrace();
+            }
+        }
     }
 
-    public static long eglGetDisplay(long nativeDisplay_id)  {
+    /* pp */ static synchronized void setSingletonEGLDisplayOnly(boolean v) { useSingletonEGLDisplay = v; }
+
+    private static synchronized long eglGetDisplay(long nativeDisplay_id)  {
+        if( useSingletonEGLDisplay && null != singletonEGLDisplay ) {
+            if(DEBUG) {
+                System.err.println("EGLDisplayUtil.eglGetDisplay.s: eglDisplay("+EGLContext.toHexString(nativeDisplay_id)+"): "+
+                                   EGLContext.toHexString(singletonEGLDisplay.eglDisplay)+
+                                   ", "+((EGL.EGL_NO_DISPLAY != singletonEGLDisplay.eglDisplay)?"OK":"Failed")+", singletonEGLDisplay "+singletonEGLDisplay+" (use "+useSingletonEGLDisplay+")");
+            }
+            return singletonEGLDisplay.eglDisplay;
+        }
         final long eglDisplay = EGL.eglGetDisplay(nativeDisplay_id);
         if(DEBUG) {
-            System.err.println("EGLDisplayUtil.eglGetDisplay(): eglDisplay("+EGLContext.toHexString(nativeDisplay_id)+"): "+
+            System.err.println("EGLDisplayUtil.eglGetDisplay.X: eglDisplay("+EGLContext.toHexString(nativeDisplay_id)+"): "+
                                EGLContext.toHexString(eglDisplay)+
-                               ", "+((EGL.EGL_NO_DISPLAY != eglDisplay)?"OK":"Failed"));
+                               ", "+((EGL.EGL_NO_DISPLAY != eglDisplay)?"OK":"Failed")+", singletonEGLDisplay "+singletonEGLDisplay+" (use "+useSingletonEGLDisplay+")");
         }
         return eglDisplay;
     }
-    
-    public static long eglGetDisplay(NativeSurface surface, boolean allowFallBackToDefault)  {
-        final long nDisplay;
-        if( NativeWindowFactory.TYPE_WINDOWS.equals(NativeWindowFactory.getNativeWindowType(false)) ) {
-            nDisplay = surface.getSurfaceHandle(); // don't even ask ..
-        } else {
-            nDisplay = surface.getDisplayHandle(); // 0 == EGL.EGL_DEFAULT_DISPLAY
+
+    /**
+     * @param eglDisplay
+     * @param major
+     * @param minor
+     * @return true if the eglDisplay is valid and it's reference counter becomes one and {@link EGL#eglInitialize(long, IntBuffer, IntBuffer)} was successful, otherwise false
+     *
+     * @see EGL#eglInitialize(long, IntBuffer, IntBuffer)
+     */
+    private static synchronized boolean eglInitialize(long eglDisplay, IntBuffer major, IntBuffer minor)  {
+        if( EGL.EGL_NO_DISPLAY == eglDisplay) {
+            return false;
+        }
+        final EGLDisplayRef d = EGLDisplayRef.getOrCreateOpened(eglDisplay, major, minor);
+        if(DEBUG) {
+            System.err.println("EGLDisplayUtil.eglInitialize("+EGLContext.toHexString(eglDisplay)+" ...): "+d+" = "+(null != d)+", singletonEGLDisplay "+singletonEGLDisplay+" (use "+useSingletonEGLDisplay+")");
+            // Thread.dumpStack();
+        }
+        return null != d;
+    }
+
+    /**
+     * @param nativeDisplayID
+     * @param eglDisplay array of size 1 holding return value if successful, otherwise {@link EGL#EGL_NO_DISPLAY}.
+     * @param eglErr array of size 1 holding the EGL error value as retrieved by {@link EGL#eglGetError()} if not successful.
+     * @param major
+     * @param minor
+     * @return {@link EGL#EGL_SUCCESS} if successful, otherwise {@link EGL#EGL_BAD_DISPLAY} if {@link #eglGetDisplay(long)} failed
+     *         or {@link EGL#EGL_NOT_INITIALIZED} if {@link #eglInitialize(long, IntBuffer, IntBuffer)} failed.
+     *
+     * @see #eglGetDisplay(long)
+     * @see #eglInitialize(long, IntBuffer, IntBuffer)
+     */
+    private static synchronized int eglGetDisplayAndInitialize(long nativeDisplayID, long[] eglDisplay, int[] eglErr, IntBuffer major, IntBuffer minor) {
+        eglDisplay[0] = EGL.EGL_NO_DISPLAY;
+        final long _eglDisplay = eglGetDisplay( nativeDisplayID );
+        if ( EGL.EGL_NO_DISPLAY == _eglDisplay ) {
+            eglErr[0] = EGL.eglGetError();
+            return EGL.EGL_BAD_DISPLAY;
         }
-        long eglDisplay = EGLDisplayUtil.eglGetDisplay(nDisplay);
-        if (eglDisplay == EGL.EGL_NO_DISPLAY && nDisplay != EGL.EGL_DEFAULT_DISPLAY && allowFallBackToDefault) {
+        if ( !eglInitialize( _eglDisplay, major, minor) ) {
+            eglErr[0] = EGL.eglGetError();
+            return EGL.EGL_NOT_INITIALIZED;
+        }
+        eglDisplay[0] = _eglDisplay;
+        return EGL.EGL_SUCCESS;
+    }
+
+    /**
+     * Attempts to {@link #eglGetDisplayAndInitialize(long, long[], int[], IntBuffer, IntBuffer)} with given <code>nativeDisplayID</code>.
+     * If this fails, method retries with <code>nativeDisplayID</code> {@link EGL#EGL_DEFAULT_DISPLAY} - the fallback mechanism.
+     * The actual used <code>nativeDisplayID</code> is returned in it's in/out array.
+     *
+     * @throws GLException if {@link EGL#eglGetDisplay(long)} or {@link EGL#eglInitialize(long, int[], int, int[], int)} fails incl fallback
+     * @param nativeDisplayID in/out array of size 1, passing the requested nativeVisualID, may return a different revised nativeVisualID handle
+     * @return the initialized EGL display ID
+     * @throws GLException if not successful
+     */
+    private static synchronized long eglGetDisplayAndInitialize(long[] nativeDisplayID) {
+        final long[] eglDisplay = new long[1];
+        final int[] eglError = new int[1];
+        int eglRes = EGLDisplayUtil.eglGetDisplayAndInitialize(nativeDisplayID[0], eglDisplay, eglError, null, null);
+        if( EGL.EGL_SUCCESS == eglRes ) {
+            return eglDisplay[0];
+        }
+        if( EGL.EGL_DEFAULT_DISPLAY != nativeDisplayID[0] ) { // fallback to DEGAULT_DISPLAY
             if(DEBUG) {
-                System.err.println("EGLDisplayUtil.eglGetDisplay(): Fall back to EGL_DEFAULT_DISPLAY");
+                System.err.println("EGLDisplayUtil.eglGetAndInitDisplay failed with native "+EGLContext.toHexString(nativeDisplayID[0])+", error "+EGLContext.toHexString(eglRes)+"/"+EGLContext.toHexString(eglError[0])+" - fallback!");
+            }
+            eglRes = EGLDisplayUtil.eglGetDisplayAndInitialize(EGL.EGL_DEFAULT_DISPLAY, eglDisplay, eglError, null, null);
+            if( EGL.EGL_SUCCESS == eglRes ) {
+                nativeDisplayID[0] = EGL.EGL_DEFAULT_DISPLAY;
+                return eglDisplay[0];
             }
-            eglDisplay = EGLDisplayUtil.eglGetDisplay(EGL.EGL_DEFAULT_DISPLAY);
         }
-        return eglDisplay;
+        throw new GLException("Failed to created/initialize EGL display incl. fallback default: native "+EGLContext.toHexString(nativeDisplayID[0])+", error "+EGLContext.toHexString(eglRes)+"/"+EGLContext.toHexString(eglError[0]));
     }
-    
-    public static synchronized boolean eglInitialize(long eglDisplay, int[] major, int major_offset, int[] minor, int minor_offset)  {
-        final boolean res;    
-        final int refCnt = eglDisplayCounter.get(eglDisplay) + 1; // 0 + 1 = 1 -> 1st init
-        if(1==refCnt) {
-            res = EGL.eglInitialize(eglDisplay, major, major_offset, minor, minor_offset);
-        } else {
-            res = true;
+
+    /**
+     * @param eglDisplay the EGL display handle
+     * @return true if the eglDisplay is valid and it's reference counter becomes zero and {@link EGL#eglTerminate(long)} was successful, otherwise false
+     */
+    private static synchronized boolean eglTerminate(long eglDisplay)  {
+        if( EGL.EGL_NO_DISPLAY == eglDisplay) {
+            return false;
         }
-        eglDisplayCounter.put(eglDisplay, refCnt);
+        final boolean[] res = new boolean[1];
+        final EGLDisplayRef d = EGLDisplayRef.closeOpened(eglDisplay, res);
         if(DEBUG) {
-            System.err.println("EGL.eglInitialize(0x"+Long.toHexString(eglDisplay)+" ...): #"+refCnt+" = "+res);
+            System.err.println("EGLDisplayUtil.eglTerminate.X("+EGLContext.toHexString(eglDisplay)+" ...): "+d+" = "+res[0]+", singletonEGLDisplay "+singletonEGLDisplay+" (use "+useSingletonEGLDisplay+")");
+            // Thread.dumpStack();
         }
-        return res;
+        return res[0];
     }
-    
-    public static synchronized boolean eglInitialize(long eglDisplay, IntBuffer major, IntBuffer minor)  {    
-        final boolean res;    
-        final int refCnt = eglDisplayCounter.get(eglDisplay) + 1; // 0 + 1 = 1 -> 1st init
-        if(1==refCnt) { // only initialize once
-            res = EGL.eglInitialize(eglDisplay, major, minor);
-        } else {
-            res = true;
+
+    private static final EGLGraphicsDevice.EGLDisplayLifecycleCallback eglLifecycleCallback = new EGLGraphicsDevice.EGLDisplayLifecycleCallback() {
+        @Override
+        public long eglGetAndInitDisplay(long[] nativeDisplayID) {
+            return eglGetDisplayAndInitialize(nativeDisplayID);
         }
-        eglDisplayCounter.put(eglDisplay, refCnt);
-        if(DEBUG) {
-            System.err.println("EGL.eglInitialize(0x"+Long.toHexString(eglDisplay)+" ...): #"+refCnt+" = "+res);
+        @Override
+        public void eglTerminate(long eglDisplayHandle) {
+            EGLDisplayUtil.eglTerminate(eglDisplayHandle);
         }
-        return res;
+    };
+
+    /**
+     * Returns an uninitialized {@link EGLGraphicsDevice}. User needs to issue {@link EGLGraphicsDevice#open()} before usage.
+     * <p>
+     * Using {@link #eglGetDisplayAndInitialize(long[])} for the {@link EGLGraphicsDevice#open()} implementation
+     * and {@link #eglTerminate(long)} for {@link EGLGraphicsDevice#close()}.
+     * </p>
+     * <p>
+     * Using the default {@link ToolkitLock}, via {@link NativeWindowFactory#getDefaultToolkitLock(String, long)}.
+     * </p>
+     * @param nativeDisplayID
+     * @param connection
+     * @param unitID
+     * @return an uninitialized {@link EGLGraphicsDevice}
+     */
+    public static EGLGraphicsDevice eglCreateEGLGraphicsDevice(long nativeDisplayID, String connection, int unitID)  {
+        return new EGLGraphicsDevice(nativeDisplayID, EGL.EGL_NO_DISPLAY, connection, unitID, eglLifecycleCallback);
     }
-    
-    public static synchronized boolean eglTerminate(long eglDisplay)  {
-        final boolean res;    
-        final int refCnt = eglDisplayCounter.get(eglDisplay) - 1; // 1 - 1 = 0 -> final terminate
-        if(0==refCnt) { // no terminate if still in use or already terminated
-            res = EGL.eglTerminate(eglDisplay);
+
+    /**
+     * Returns an uninitialized {@link EGLGraphicsDevice}. User needs to issue {@link EGLGraphicsDevice#open()} before usage.
+     * <p>
+     * Using {@link #eglGetDisplayAndInitialize(long[])} for the {@link EGLGraphicsDevice#open()} implementation
+     * and {@link #eglTerminate(long)} for {@link EGLGraphicsDevice#close()}.
+     * </p>
+     * <p>
+     * Using the default {@link ToolkitLock}, via {@link NativeWindowFactory#getDefaultToolkitLock(String, long)}.
+     * </p>
+     * @param surface
+     * @return an uninitialized EGLGraphicsDevice
+     */
+    public static EGLGraphicsDevice eglCreateEGLGraphicsDevice(NativeSurface surface)  {
+        final long nativeDisplayID;
+        if( NativeWindowFactory.TYPE_WINDOWS == NativeWindowFactory.getNativeWindowType(false) ) {
+            nativeDisplayID = surface.getSurfaceHandle(); // don't even ask ..
         } else {
-            res = true;
-        }
-        if(0<=refCnt) { // no negative refCount
-            eglDisplayCounter.put(eglDisplay, refCnt);
-        }
-        if(DEBUG) {
-            System.err.println("EGL.eglTerminate(0x"+Long.toHexString(eglDisplay)+" ...): #"+refCnt+" = "+res);
+            nativeDisplayID = surface.getDisplayHandle(); // 0 == EGL.EGL_DEFAULT_DISPLAY
         }
-        return res;
+        final AbstractGraphicsDevice adevice = surface.getGraphicsConfiguration().getScreen().getDevice();
+        return new EGLGraphicsDevice(nativeDisplayID, EGL.EGL_NO_DISPLAY, adevice.getConnection(), adevice.getUnitID(), eglLifecycleCallback);
     }
 }
diff --git a/src/jogl/classes/jogamp/opengl/egl/EGLDrawable.java b/src/jogl/classes/jogamp/opengl/egl/EGLDrawable.java
index b2119d728..f184edae3 100644
--- a/src/jogl/classes/jogamp/opengl/egl/EGLDrawable.java
+++ b/src/jogl/classes/jogamp/opengl/egl/EGLDrawable.java
@@ -1,22 +1,22 @@
 /*
  * Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved.
  * Copyright (c) 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:
- * 
+ *
  * - Redistribution of source code must retain the above copyright
  *   notice, this list of conditions and the following disclaimer.
- * 
+ *
  * - Redistribution in binary form must reproduce the above copyright
  *   notice, this list of conditions and the following disclaimer in the
  *   documentation and/or other materials provided with the distribution.
- * 
+ *
  * Neither the name of Sun Microsystems, Inc. or the names of
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
- * 
+ *
  * This software is provided "AS IS," without a warranty of any kind. ALL
  * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
  * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
@@ -29,229 +29,146 @@
  * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
  * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
  * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
- * 
+ *
  * Sun gratefully acknowledges that this software was originally authored
  * and developed by Kenneth Bradley Russell and Christopher John Kline.
  */
 
 package jogamp.opengl.egl;
 
-import jogamp.opengl.GLDynamicLookupHelper;
-import jogamp.opengl.GLDrawableImpl;
+import java.nio.IntBuffer;
 
-import javax.media.nativewindow.*;
-import javax.media.nativewindow.VisualIDHolder.VIDType;
-import javax.media.opengl.*;
+import javax.media.nativewindow.NativeSurface;
+import javax.media.nativewindow.NativeWindow;
+import javax.media.nativewindow.ProxySurface;
+import javax.media.opengl.GLContext;
+import javax.media.opengl.GLException;
+
+import jogamp.opengl.GLDrawableImpl;
+import jogamp.opengl.GLDynamicLookupHelper;
 
-import com.jogamp.nativewindow.egl.*;
+import com.jogamp.common.nio.Buffers;
+import com.jogamp.nativewindow.egl.EGLGraphicsDevice;
 
 public abstract class EGLDrawable extends GLDrawableImpl {
-    protected boolean ownEGLDisplay = false; // for destruction
-    protected boolean ownEGLSurface = false; // for destruction
-    private EGLGraphicsConfiguration eglConfig;
-    protected long eglDisplay;
-    protected long eglSurface;
 
-    protected EGLDrawable(EGLDrawableFactory factory,
-                       NativeSurface component) throws GLException {
+    protected EGLDrawable(EGLDrawableFactory factory, NativeSurface component) throws GLException {
         super(factory, component, false);
-        eglSurface=EGL.EGL_NO_SURFACE;
-        eglDisplay=0;
-    }
-
-    public long getDisplay() {
-        return eglDisplay;
-    }
-
-    public long getHandle() {
-        return eglSurface;
-    }
-
-    public EGLGraphicsConfiguration getGraphicsConfiguration() {
-        return eglConfig;
-    }
-
-    public GLCapabilitiesImmutable getChosenGLCapabilities() {
-        return (null==eglConfig)?super.getChosenGLCapabilities():(GLCapabilitiesImmutable)eglConfig.getChosenCapabilities();
     }
 
+    @Override
     public abstract GLContext createContext(GLContext shareWith);
 
-    protected abstract long createSurface(long eglDpy, long eglNativeCfg, long surfaceHandle);
+    protected abstract long createSurface(EGLGraphicsConfiguration config, int width, int height, long nativeSurfaceHandle);
 
-    private void recreateSurface() {
-        // create a new EGLSurface ..
-        if(EGL.EGL_NO_SURFACE!=eglSurface) {
-            EGL.eglDestroySurface(eglDisplay, eglSurface);
-        }
+    private final long createEGLSurface() {
+        final EGLWrappedSurface eglws = (EGLWrappedSurface) surface;
+        final EGLGraphicsConfiguration eglConfig = (EGLGraphicsConfiguration) eglws.getGraphicsConfiguration();
+        final NativeSurface upstreamSurface = eglws.getUpstreamSurface();
 
-        if(DEBUG) {
-            System.err.println(getThreadName() + ": createSurface using eglDisplay "+toHexString(eglDisplay)+", "+eglConfig);
-        }
+        long eglSurface = createSurface(eglConfig, eglws.getWidth(), eglws.getHeight(), upstreamSurface.getSurfaceHandle());
 
-        eglSurface = createSurface(eglDisplay, eglConfig.getNativeConfig(), surface.getSurfaceHandle());
-        int eglError0 = EGL.EGL_SUCCESS; 
+        int eglError0;
         if (EGL.EGL_NO_SURFACE == eglSurface) {
             eglError0 = EGL.eglGetError();
             if(EGL.EGL_BAD_NATIVE_WINDOW == eglError0) {
-                // Try window handle if available and differs (Windows HDC / HWND). 
+                // Try window handle if available and differs (Windows HDC / HWND).
                 // ANGLE impl. required HWND on Windows.
-                if(surface instanceof NativeWindow) {
-                    final NativeWindow nw = (NativeWindow) surface;
+                if(upstreamSurface instanceof NativeWindow) {
+                    final NativeWindow nw = (NativeWindow) upstreamSurface;
                     if(nw.getWindowHandle() != nw.getSurfaceHandle()) {
                         if(DEBUG) {
                             System.err.println(getThreadName() + ": Info: Creation of window surface w/ surface handle failed: "+eglConfig+", error "+toHexString(eglError0)+", retry w/ windowHandle");
                         }
-                        eglSurface = createSurface(eglDisplay, eglConfig.getNativeConfig(), nw.getWindowHandle());
+                        eglSurface = createSurface(eglConfig, eglws.getWidth(), eglws.getHeight(), nw.getWindowHandle());
                         if (EGL.EGL_NO_SURFACE == eglSurface) {
                             eglError0 = EGL.eglGetError();
                         }
                     }
                 }
             }
+        } else {
+            eglError0 = EGL.EGL_SUCCESS;
         }
         if (EGL.EGL_NO_SURFACE == eglSurface) {
             throw new GLException("Creation of window surface failed: "+eglConfig+", "+surface+", error "+toHexString(eglError0));
         }
-
         if(DEBUG) {
-            System.err.println(getThreadName() + ": setSurface using component: handle "+toHexString(surface.getSurfaceHandle())+" -> "+toHexString(eglSurface));
+            System.err.println(getThreadName() + ": createEGLSurface handle "+toHexString(eglSurface));
         }
+        return eglSurface;
     }
 
     @Override
-    protected final void updateHandle() {
-        if(ownEGLSurface) {
-            recreateSurface();
+    protected final void createHandle() {
+        final EGLWrappedSurface eglws = (EGLWrappedSurface) surface;
+        if(DEBUG) {
+            System.err.println(getThreadName() + ": createHandle of "+eglws);
+        }
+        if( eglws.containsUpstreamOptionBits( ProxySurface.OPT_PROXY_OWNS_UPSTREAM_SURFACE ) ) {
+            if( EGL.EGL_NO_SURFACE != eglws.getSurfaceHandle() ) {
+                throw new InternalError("Set surface but claimed to be invalid: "+eglws);
+            }
+            eglws.setSurfaceHandle( createEGLSurface() );
+        } else if( EGL.EGL_NO_SURFACE == eglws.getSurfaceHandle() ) {
+            throw new InternalError("Nil surface but claimed to be valid: "+eglws);
         }
     }
-    
-    protected void setRealizedImpl() {
-        if (realized) {
-            AbstractGraphicsConfiguration aConfig = surface.getGraphicsConfiguration();
-            AbstractGraphicsDevice aDevice = aConfig.getScreen().getDevice();
-            if(aDevice instanceof EGLGraphicsDevice) {
-                if(DEBUG) {
-                    System.err.println(getThreadName() + ": EGLDrawable.setRealized(true): using existing EGL config - START");
-                }
-                // just fetch the data .. trust but verify ..
-                eglDisplay = aDevice.getHandle();
-                if (eglDisplay == EGL.EGL_NO_DISPLAY) {
-                    throw new GLException("Invalid EGL display in EGLGraphicsDevice from "+aDevice);
-                }
-                if(aConfig instanceof EGLGraphicsConfiguration) {
-                    eglConfig = (EGLGraphicsConfiguration) aConfig; // done ..
-                    if (null == eglConfig) {
-                        throw new GLException("Null EGLGraphicsConfiguration from "+aConfig);
-                    }
 
-                    int[] tmp = new int[1];
-                    if ( 0 != surface.getSurfaceHandle() &&
-                         EGL.eglQuerySurface(eglDisplay, surface.getSurfaceHandle(), EGL.EGL_CONFIG_ID, tmp, 0) ) {
-                        // surface holds static EGLSurface
-                        eglSurface = surface.getSurfaceHandle();
-                        if(DEBUG) {
-                            System.err.println(getThreadName() + ": setSurface re-using component's EGLSurface: handle "+toHexString(eglSurface));
-                        }
-                    } else {
-                        // EGLSurface is ours - subsequent updateHandle() will issue recreateSurface();
-                        ownEGLSurface=true;
-                    }
-                } else {
-                    throw new GLException("EGLGraphicsDevice hold by non EGLGraphicsConfiguration: "+aConfig);
-                }
-            } else {
-                if(DEBUG) {
-                    System.err.println(getThreadName() + ": EGLDrawable.setRealized(true): creating new EGL config - START");
-                }
-                // create a new EGL config ..
-                ownEGLDisplay=true;
-                // EGLSurface is ours ..
-                ownEGLSurface=true;
+    @Override
+    protected void destroyHandle() {
+        final EGLWrappedSurface eglws = (EGLWrappedSurface) surface;
+        if(DEBUG) {
+            System.err.println(getThreadName() + ": destroyHandle of "+eglws);
+        }
+        if( EGL.EGL_NO_SURFACE == eglws.getSurfaceHandle() ) {
+            throw new InternalError("Nil surface but claimed to be valid: "+eglws);
+        }
+        final EGLGraphicsDevice eglDevice = (EGLGraphicsDevice) eglws.getGraphicsConfiguration().getScreen().getDevice();
+        if( eglws.containsUpstreamOptionBits( ProxySurface.OPT_PROXY_OWNS_UPSTREAM_SURFACE ) ) {
+            EGL.eglDestroySurface(eglDevice.getHandle(), eglws.getSurfaceHandle());
+            eglws.setSurfaceHandle(EGL.EGL_NO_SURFACE);
+        }
+    }
 
-                eglDisplay = EGLDisplayUtil.eglGetDisplay(surface, true);
-                if (eglDisplay == EGL.EGL_NO_DISPLAY) {
-                    throw new GLException("Failed to created EGL display: "+surface+", "+aDevice+", error "+toHexString(EGL.eglGetError()));
-                }
-                if (!EGLDisplayUtil.eglInitialize(eglDisplay, null, null)) {
-                    throw new GLException("eglInitialize failed"+", error "+Integer.toHexString(EGL.eglGetError()));
-                }
-                EGLGraphicsDevice e = new EGLGraphicsDevice(eglDisplay, AbstractGraphicsDevice.DEFAULT_CONNECTION, AbstractGraphicsDevice.DEFAULT_UNIT);
-                AbstractGraphicsScreen s = new DefaultGraphicsScreen(e, aConfig.getScreen().getIndex());
-                final GLCapabilitiesImmutable capsRequested = (GLCapabilitiesImmutable) aConfig.getRequestedCapabilities();
-                if(aConfig instanceof EGLGraphicsConfiguration) {
-                    final EGLGLCapabilities capsChosen = (EGLGLCapabilities) aConfig.getChosenCapabilities();
-                    if(0 == capsChosen.getEGLConfig()) {
-                        // 'refresh' the native EGLConfig handle
-                        capsChosen.setEGLConfig(EGLGraphicsConfiguration.EGLConfigId2EGLConfig(eglDisplay, capsChosen.getEGLConfigID()));
-                        if(0 == capsChosen.getEGLConfig()) {
-                            throw new GLException("Refreshing native EGLConfig handle failed: "+capsChosen+" of "+aConfig);
-                        }
-                    }
-                    eglConfig  = new EGLGraphicsConfiguration(s, capsChosen, capsRequested, null);
-                    if(DEBUG) {
-                        System.err.println(getThreadName() + ": Reusing chosenCaps: "+eglConfig);
-                    }
-                } else {
-                    eglConfig = EGLGraphicsConfigurationFactory.chooseGraphicsConfigurationStatic(
-                            capsRequested, capsRequested, null, s, aConfig.getVisualID(VIDType.NATIVE), false);
-                
-                    if (null == eglConfig) {
-                        throw new GLException("Couldn't create EGLGraphicsConfiguration from "+s);
-                    } else if(DEBUG) {
-                        System.err.println(getThreadName() + ": Chosen eglConfig: "+eglConfig);
-                    }
-                }
-                // subsequent updateHandle() will issue recreateSurface();
-            }
-            if(DEBUG) {
-                System.err.println(getThreadName() + ": EGLDrawable.setRealized(true): END: ownDisplay "+ownEGLDisplay+", ownSurface "+ownEGLSurface);
-            }
-        } else if (ownEGLSurface && eglSurface != EGL.EGL_NO_SURFACE) {
+    protected static boolean isValidEGLSurface(long eglDisplayHandle, long surfaceHandle) {
+        if( 0 == surfaceHandle ) {
+            return false;
+        }
+        final IntBuffer val = Buffers.newDirectIntBuffer(1);
+        final boolean eglSurfaceValid = EGL.eglQuerySurface(eglDisplayHandle, surfaceHandle, EGL.EGL_CONFIG_ID, val);
+        if( !eglSurfaceValid ) {
+            final int eglErr = EGL.eglGetError();
             if(DEBUG) {
-                System.err.println(getThreadName() + ": EGLDrawable.setRealized(false): ownDisplay "+ownEGLDisplay+", ownSurface "+ownEGLSurface+", eglDisplay: "+toHexString(eglDisplay)+", eglSurface: "+toHexString(eglSurface));
+                System.err.println(getThreadName() + ": EGLDrawable.isValidEGLSurface eglQuerySuface failed: error "+toHexString(eglErr)+", "+toHexString(surfaceHandle));
             }
-            // Destroy the window surface
-            if (!EGL.eglDestroySurface(eglDisplay, eglSurface)) {
-                throw new GLException("Error destroying window surface (eglDestroySurface)");
-            }
-            eglSurface = EGL.EGL_NO_SURFACE;
-            if (ownEGLDisplay && EGL.EGL_NO_DISPLAY!=eglDisplay) {
-                EGLDisplayUtil.eglTerminate(eglDisplay);
-            }
-            eglDisplay=EGL.EGL_NO_DISPLAY;
-            eglConfig=null;
         }
+        return eglSurfaceValid;
     }
 
-    protected final void swapBuffersImpl() {
-        // single-buffer is already filtered out @ GLDrawableImpl#swapBuffers()
-        if(!EGL.eglSwapBuffers(eglDisplay, eglSurface)) {
-            throw new GLException("Error swapping buffers, eglError "+toHexString(EGL.eglGetError())+", "+this);
+    @Override
+    protected final void setRealizedImpl() {
+        if(DEBUG) {
+            System.err.println(getThreadName() + ": EGLDrawable.setRealized("+realized+"): NOP - "+surface);
         }
     }
 
-    /** 
-     * Surface not realizes yet (onscreen) .. Quering EGL surface size only makes sense for external drawable.
-     * Leave it here for later impl. of an EGLExternalDrawable.  
-    public int getWidth() {
-        int[] tmp = new int[1];
-        if (!EGL.eglQuerySurface(eglDisplay, eglSurface, EGL.EGL_WIDTH, tmp, 0)) {
-            throw new GLException("Error querying surface width, eglError "+toHexString(EGL.eglGetError()));
+    @Override
+    protected final void swapBuffersImpl(boolean doubleBuffered) {
+        if(doubleBuffered) {
+            final EGLGraphicsDevice eglDevice = (EGLGraphicsDevice) surface.getGraphicsConfiguration().getScreen().getDevice();
+            // single-buffer is already filtered out @ GLDrawableImpl#swapBuffers()
+            if(!EGL.eglSwapBuffers(eglDevice.getHandle(), surface.getSurfaceHandle())) {
+                throw new GLException("Error swapping buffers, eglError "+toHexString(EGL.eglGetError())+", "+this);
+            }
         }
-        return tmp[0];
     }
 
-    public int getHeight() {
-        int[] tmp = new int[1];
-        if (!EGL.eglQuerySurface(eglDisplay, eglSurface, EGL.EGL_HEIGHT, tmp, 0)) {
-            throw new GLException("Error querying surface height, eglError "+toHexString(EGL.eglGetError()));
-        }
-        return tmp[0];
-    } */
-
+    @Override
     public GLDynamicLookupHelper getGLDynamicLookupHelper() {
-        if (getGLProfile().usesNativeGLES2()) {
+        if (getGLProfile().usesNativeGLES3()) {
+            return getFactoryImpl().getGLDynamicLookupHelper(3);
+        } else if (getGLProfile().usesNativeGLES2()) {
             return getFactoryImpl().getGLDynamicLookupHelper(2);
         } else if (getGLProfile().usesNativeGLES1()) {
             return getFactoryImpl().getGLDynamicLookupHelper(1);
@@ -260,12 +177,13 @@ public abstract class EGLDrawable extends GLDrawableImpl {
         }
     }
 
+    @Override
     public String toString() {
         return getClass().getName()+"[realized "+isRealized()+
                     ",\n\tfactory    "+getFactory()+
                     ",\n\tsurface    "+getNativeSurface()+
-                    ",\n\teglSurface "+toHexString(eglSurface)+
-                    ",\n\teglConfig  "+eglConfig+
+                    ",\n\teglSurface "+toHexString(surface.getSurfaceHandle())+
+                    ",\n\teglConfig  "+surface.getGraphicsConfiguration()+
                     ",\n\trequested  "+getRequestedGLCapabilities()+
                     ",\n\tchosen     "+getChosenGLCapabilities()+"]";
     }
diff --git a/src/jogl/classes/jogamp/opengl/egl/EGLDrawableFactory.java b/src/jogl/classes/jogamp/opengl/egl/EGLDrawableFactory.java
index 4b77bfa87..9ee0134f1 100644
--- a/src/jogl/classes/jogamp/opengl/egl/EGLDrawableFactory.java
+++ b/src/jogl/classes/jogamp/opengl/egl/EGLDrawableFactory.java
@@ -1,22 +1,22 @@
 /*
  * Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved.
  * Copyright (c) 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:
- * 
+ *
  * - Redistribution of source code must retain the above copyright
  *   notice, this list of conditions and the following disclaimer.
- * 
+ *
  * - Redistribution in binary form must reproduce the above copyright
  *   notice, this list of conditions and the following disclaimer in the
  *   documentation and/or other materials provided with the distribution.
- * 
+ *
  * Neither the name of Sun Microsystems, Inc. or the names of
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
- * 
+ *
  * This software is provided "AS IS," without a warranty of any kind. ALL
  * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
  * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
@@ -29,93 +29,109 @@
  * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
  * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
  * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
- * 
+ *
  * Sun gratefully acknowledges that this software was originally authored
  * and developed by Kenneth Bradley Russell and Christopher John Kline.
  */
 
 package jogamp.opengl.egl;
 
-import javax.media.nativewindow.*;
-import javax.media.opengl.*;
-import javax.media.opengl.GLProfile.ShutdownType;
-
-import com.jogamp.common.JogampRuntimeException;
-import com.jogamp.common.os.Platform;
-import com.jogamp.common.util.*;
-import com.jogamp.nativewindow.WrappedSurface;
-import com.jogamp.nativewindow.egl.EGLGraphicsDevice;
-
-import jogamp.opengl.*;
-
+import java.nio.IntBuffer;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
+import java.util.Set;
+
+import javax.media.nativewindow.AbstractGraphicsConfiguration;
+import javax.media.nativewindow.AbstractGraphicsDevice;
+import javax.media.nativewindow.AbstractGraphicsScreen;
+import javax.media.nativewindow.DefaultGraphicsScreen;
+import javax.media.nativewindow.MutableSurface;
+import javax.media.nativewindow.NativeSurface;
+import javax.media.nativewindow.NativeWindowFactory;
+import javax.media.nativewindow.ProxySurface;
+import javax.media.nativewindow.UpstreamSurfaceHook;
+import javax.media.nativewindow.VisualIDHolder;
+import javax.media.opengl.GL;
+import javax.media.opengl.GLCapabilities;
+import javax.media.opengl.GLCapabilitiesChooser;
+import javax.media.opengl.GLCapabilitiesImmutable;
+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 jogamp.nativewindow.WrappedSurface;
+import jogamp.opengl.Debug;
+import jogamp.opengl.GLContextImpl;
+import jogamp.opengl.GLDrawableFactoryImpl;
+import jogamp.opengl.GLDrawableImpl;
+import jogamp.opengl.GLDynamicLookupHelper;
+import jogamp.opengl.GLGraphicsConfigurationUtil;
+import jogamp.opengl.SharedResourceRunner;
+
+import com.jogamp.common.nio.Buffers;
+import com.jogamp.common.nio.PointerBuffer;
+import com.jogamp.common.os.Platform;
+import com.jogamp.common.util.ReflectionUtil;
+import com.jogamp.nativewindow.egl.EGLGraphicsDevice;
+import com.jogamp.opengl.GLRendererQuirks;
 
 public class EGLDrawableFactory extends GLDrawableFactoryImpl {
+    protected static final boolean DEBUG = GLDrawableFactoryImpl.DEBUG; // allow package access
+
+    /* package */ static final boolean QUERY_EGL_ES_NATIVE_TK;
+
+    static {
+        Debug.initSingleton();
+        QUERY_EGL_ES_NATIVE_TK = Debug.isPropertyDefined("jogl.debug.EGLDrawableFactory.QueryNativeTK", true);
+    }
+
     private static GLDynamicLookupHelper eglES1DynamicLookupHelper = null;
     private static GLDynamicLookupHelper eglES2DynamicLookupHelper = null;
-    private static boolean isANGLE = false;
-    
+
     private static final boolean isANGLE(GLDynamicLookupHelper dl) {
         if(Platform.OSType.WINDOWS == Platform.OS_TYPE) {
-            final boolean r = 0 != dl.dynamicLookupFunction("eglQuerySurfacePointerANGLE") ||
-                              0 != dl.dynamicLookupFunction("glBlitFramebufferANGLE") ||
-                              0 != dl.dynamicLookupFunction("glRenderbufferStorageMultisampleANGLE");
-            return r;
+            return dl.isFunctionAvailable("eglQuerySurfacePointerANGLE") ||
+                   dl.isFunctionAvailable("glBlitFramebufferANGLE") ||
+                   dl.isFunctionAvailable("glRenderbufferStorageMultisampleANGLE");
         } else {
             return false;
         }
     }
-    
+
+    private static final boolean includesES1(GLDynamicLookupHelper dl) {
+        return dl.isFunctionAvailable("glLoadIdentity") &&
+               dl.isFunctionAvailable("glEnableClientState") &&
+               dl.isFunctionAvailable("glColorPointer");
+    }
+
     public EGLDrawableFactory() {
         super();
-        
+
         // Register our GraphicsConfigurationFactory implementations
         // The act of constructing them causes them to be registered
         EGLGraphicsConfigurationFactory.registerFactory();
 
         // Check for other underlying stuff ..
-        if(NativeWindowFactory.TYPE_X11.equals(NativeWindowFactory.getNativeWindowType(true))) {
+        if(NativeWindowFactory.TYPE_X11 == NativeWindowFactory.getNativeWindowType(true)) {
+            hasX11 = true;
             try {
                 ReflectionUtil.createInstance("jogamp.opengl.x11.glx.X11GLXGraphicsConfigurationFactory", EGLDrawableFactory.class.getClassLoader());
-            } catch (JogampRuntimeException jre) { /* n/a .. */ }
+            } catch (Exception jre) { /* n/a .. */ }
         }
 
-        defaultDevice = new EGLGraphicsDevice(AbstractGraphicsDevice.DEFAULT_CONNECTION, AbstractGraphicsDevice.DEFAULT_UNIT);
-        
-        // FIXME: Probably need to move EGL from a static model 
-        // to a dynamic one, where there can be 2 instances 
+        // FIXME: Probably need to move EGL from a static model
+        // to a dynamic one, where there can be 2 instances
         // for each ES profile with their own ProcAddressTable.
 
         synchronized(EGLDrawableFactory.class) {
-            /**
-             * Currently AMD's EGL impl. crashes at eglGetDisplay(EGL_DEFAULT_DISPLAY)
-             *  
-            // Check Desktop ES2 Availability first (AMD, ..)
-            if(null==eglES2DynamicLookupHelper) {
-                GLDynamicLookupHelper tmp=null;
-                try {
-                    tmp = new GLDynamicLookupHelper(new DesktopES2DynamicLibraryBundleInfo());
-                } catch (GLException gle) {
-                    if(DEBUG) {
-                        gle.printStackTrace();
-                    }
-                }                
-                if(null!=tmp && tmp.isLibComplete()) {
-                    eglES2DynamicLookupHelper = tmp;
-                    EGL.resetProcAddressTable(eglES2DynamicLookupHelper);
-                    if (GLProfile.DEBUG) {
-                        System.err.println("Info: EGLDrawableFactory: Desktop ES2 - OK");
-                    }                    
-                } else if (GLProfile.DEBUG) {
-                    System.err.println("Info: EGLDrawableFactory: Desktop ES2 - NOPE");
-                }                    
-            } */
             final boolean hasDesktopES2 = null != eglES2DynamicLookupHelper;
-            
+
             if(!hasDesktopES2 && null==eglES1DynamicLookupHelper) {
                 GLDynamicLookupHelper tmp=null;
                 try {
@@ -124,18 +140,18 @@ public class EGLDrawableFactory extends GLDrawableFactoryImpl {
                     if(DEBUG) {
                         gle.printStackTrace();
                     }
-                }                
+                }
                 if(null!=tmp && tmp.isLibComplete()) {
                     eglES1DynamicLookupHelper = tmp;
                     EGL.resetProcAddressTable(eglES1DynamicLookupHelper);
                     final boolean isANGLEES1 = isANGLE(eglES1DynamicLookupHelper);
                     isANGLE |= isANGLEES1;
-                    if (GLProfile.DEBUG) {
+                    if (DEBUG || GLProfile.DEBUG) {
                         System.err.println("Info: EGLDrawableFactory: EGL ES1 - OK, isANGLE: "+isANGLEES1);
-                    }                    
-                } else if (GLProfile.DEBUG) {
-                    System.err.println("Info: EGLDrawableFactory: EGL ES1 - NOPE");
-                }                    
+                    }
+                } else if (DEBUG || GLProfile.DEBUG) {
+                    System.err.println("Info: EGLDrawableFactory: EGL ES1 - NOPE (ES1 lib)");
+                }
             }
             if(!hasDesktopES2 && null==eglES2DynamicLookupHelper) {
                 GLDynamicLookupHelper tmp=null;
@@ -145,196 +161,545 @@ public class EGLDrawableFactory extends GLDrawableFactoryImpl {
                     if(DEBUG) {
                         gle.printStackTrace();
                     }
-                }                
+                }
                 if(null!=tmp && tmp.isLibComplete()) {
                     eglES2DynamicLookupHelper = tmp;
                     EGL.resetProcAddressTable(eglES2DynamicLookupHelper);
+                    final boolean includesES1 = null == eglES1DynamicLookupHelper && includesES1(eglES2DynamicLookupHelper);
+                    if(includesES1) {
+                        eglES1DynamicLookupHelper = tmp;
+                    }
                     final boolean isANGLEES2 = isANGLE(eglES2DynamicLookupHelper);
                     isANGLE |= isANGLEES2;
-                    if (GLProfile.DEBUG) {
-                        System.err.println("Info: EGLDrawableFactory: EGL ES2 - OK, isANGLE: "+isANGLEES2);
-                    }                    
-                } else if (GLProfile.DEBUG) {
+                    if (DEBUG || GLProfile.DEBUG) {
+                        System.err.println("Info: EGLDrawableFactory: EGL ES2 - OK (includesES1 "+includesES1+", isANGLE: "+isANGLEES2+")");
+                        if(includesES1) {
+                            System.err.println("Info: EGLDrawableFactory: EGL ES1 - OK (ES2 lib)");
+                        }
+                    }
+                } else if (DEBUG || GLProfile.DEBUG) {
                     System.err.println("Info: EGLDrawableFactory: EGL ES2 - NOPE");
-                }                    
+                }
+            }
+            if( null != eglES2DynamicLookupHelper || null != eglES1DynamicLookupHelper ) {
+                if(isANGLE && !enableANGLE) {
+                    if(DEBUG || GLProfile.DEBUG) {
+                        System.err.println("Info: EGLDrawableFactory.init - EGL/ES2 ANGLE disabled");
+                    }
+                } else {
+                    if( isANGLE && ( DEBUG || GLProfile.DEBUG ) ) {
+                        System.err.println("Info: EGLDrawableFactory.init - EGL/ES2 ANGLE enabled");
+                    }
+                    sharedMap = new HashMap<String /*uniqueKey*/, SharedResource>();
+                    sharedMapCreateAttempt = new HashSet<String>();
+                    // FIXME: defaultDevice.open() triggers eglInitialize(..) which crashed on Windows w/ Chrome/ANGLE, FF/ANGLE!
+                    defaultDevice = EGLDisplayUtil.eglCreateEGLGraphicsDevice(EGL.EGL_DEFAULT_DISPLAY, AbstractGraphicsDevice.DEFAULT_CONNECTION, AbstractGraphicsDevice.DEFAULT_UNIT);
+                }
             }
         }
     }
 
-    protected final void destroy(ShutdownType shutdownType) {
+    @Override
+    protected final boolean isComplete() {
+        return null != sharedMap; // null != eglES2DynamicLookupHelper || null != eglES1DynamicLookupHelper;
+    }
+
+
+    @Override
+    protected final void shutdownImpl() {
+        if( DEBUG ) {
+            System.err.println("EGLDrawableFactory.shutdown");
+        }
         if(null != sharedMap) {
+            if(DEBUG) {
+                dumpMap();
+            }
             Collection<SharedResource> srl = sharedMap.values();
             for(Iterator<SharedResource> sri = srl.iterator(); sri.hasNext(); ) {
                 SharedResource sr = sri.next();
                 if(DEBUG) {
-                    System.err.println("EGLDrawableFactory.destroy("+shutdownType+"): "+sr.device.toString());
-                }
-                final long eglDisplay = sr.device.getHandle();
-                if(EGL.EGL_NO_DISPLAY != eglDisplay) {
-                    EGLDisplayUtil.eglTerminate(eglDisplay);
+                    System.err.println("EGLDrawableFactory.shutdown: "+sr.device.toString());
                 }
+                sr.device.close();
             }
             sharedMap.clear();
+            sharedMapCreateAttempt.clear();
             sharedMap = null;
+            sharedMapCreateAttempt = null;
+        }
+        if(null != defaultSharedResource) {
+            defaultSharedResource = null;
+        }
+        if(null != defaultDevice) {
+            defaultDevice.close();
+            defaultDevice = null;
         }
-        defaultDevice = null;
         /**
          * Pulling away the native library may cause havoc ..
          */
-        if(ShutdownType.COMPLETE == shutdownType) {
-            if(null != eglES1DynamicLookupHelper) {
-                // eglES1DynamicLookupHelper.destroy();
-                eglES1DynamicLookupHelper = null;
-            }
-            if(null != eglES2DynamicLookupHelper) {
-                // eglES2DynamicLookupHelper.destroy();
-                eglES2DynamicLookupHelper = null;
-            }
+        if(null != eglES1DynamicLookupHelper) {
+            // eglES1DynamicLookupHelper.destroy();
+            eglES1DynamicLookupHelper = null;
+        }
+        if(null != eglES2DynamicLookupHelper) {
+            // eglES2DynamicLookupHelper.destroy();
+            eglES2DynamicLookupHelper = null;
         }
         EGLGraphicsConfigurationFactory.unregisterFactory();
+        EGLDisplayUtil.shutdown(DEBUG);
+    }
+
+    private void dumpMap() {
+        synchronized(sharedMap) {
+            System.err.println("EGLDrawableFactory.map "+sharedMap.size());
+            int i=0;
+            Set<String> keys = sharedMap.keySet();
+            for(Iterator<String> keyI = keys.iterator(); keyI.hasNext(); i++) {
+                String key = keyI.next();
+                SharedResource sr = sharedMap.get(key);
+                System.err.println("EGLDrawableFactory.map["+i+"] "+key+" -> "+sr.getDevice()+", "+
+                                   "es1   [avail "+sr.wasES1ContextCreated+", pbuffer "+sr.hasPBufferES1+", quirks "+sr.rendererQuirksES1+", ctp "+EGLContext.getGLVersion(1, 0, sr.ctpES1, null)+"], "+
+                                   "es2/3 [es2 "+sr.wasES2ContextCreated+", es3 "+sr.wasES3ContextCreated+", [pbuffer "+sr.hasPBufferES3ES2+", quirks "+sr.rendererQuirksES3ES2+", ctp "+EGLContext.getGLVersion(2, 0, sr.ctpES3ES2, null)+"]]");
+            }
+            ;
+        }
     }
 
-    private HashMap<String /*connection*/, SharedResource> sharedMap = new HashMap<String /*connection*/, SharedResource>();
-    private EGLGraphicsDevice defaultDevice;
+    private HashMap<String /*uniqueKey*/, SharedResource> sharedMap = null;
+    private HashSet<String> sharedMapCreateAttempt = null;
+    private EGLGraphicsDevice defaultDevice = null;
+    private SharedResource defaultSharedResource = null;
+    private boolean isANGLE = false;
+    private boolean hasX11 = false;
 
-    static class SharedResource {
+    static class SharedResource implements SharedResourceRunner.Resource {
       private final EGLGraphicsDevice device;
-      // private final EGLDrawable drawable;
       // private final EGLContext contextES1;
       // private final EGLContext contextES2;
+      // private final EGLContext contextES3;
       private final boolean wasES1ContextCreated;
       private final boolean wasES2ContextCreated;
+      private final boolean wasES3ContextCreated;
+      private final GLRendererQuirks rendererQuirksES1;
+      private final GLRendererQuirks rendererQuirksES3ES2;
+      private final int ctpES1;
+      private final int ctpES3ES2;
+      private final boolean hasPBufferES1;
+      private final boolean hasPBufferES3ES2;
 
-      SharedResource(EGLGraphicsDevice dev, boolean wasContextES1Created, boolean wasContextES2Created 
-                     /*EGLDrawable draw, EGLContext ctxES1, EGLContext ctxES2 */) {
+      SharedResource(EGLGraphicsDevice dev,
+                     boolean wasContextES1Created, boolean hasPBufferES1, GLRendererQuirks rendererQuirksES1, int ctpES1,
+                     boolean wasContextES2Created, boolean wasContextES3Created,
+                     boolean hasPBufferES3ES2, GLRendererQuirks rendererQuirksES3ES2, int ctpES3ES2) {
           this.device = dev;
-          // this.drawable = draw;
           // this.contextES1 = ctxES1;
-          // this.contextES2 = ctxES2;
           this.wasES1ContextCreated = wasContextES1Created;
+          this.hasPBufferES1= hasPBufferES1;
+          this.rendererQuirksES1 = rendererQuirksES1;
+          this.ctpES1 = ctpES1;
+
+          // this.contextES2 = ctxES2;
+          // this.contextES3 = ctxES3;
           this.wasES2ContextCreated = wasContextES2Created;
+          this.wasES3ContextCreated = wasContextES3Created;
+          this.hasPBufferES3ES2= hasPBufferES3ES2;
+          this.rendererQuirksES3ES2 = rendererQuirksES3ES2;
+          this.ctpES3ES2 = ctpES3ES2;
       }
-      final EGLGraphicsDevice getDevice() { return device; }
-      // final EGLDrawable getDrawable() { return drawable; }
+      @Override
+      public final boolean isValid() {
+          return wasES1ContextCreated || wasES2ContextCreated || wasES3ContextCreated;
+      }
+      @Override
+      public final EGLGraphicsDevice getDevice() { return device; }
       // final EGLContext getContextES1() { return contextES1; }
       // final EGLContext getContextES2() { return contextES2; }
-      final boolean wasES1ContextAvailable() { return wasES1ContextCreated; }
-      final boolean wasES2ContextAvailable() { return wasES2ContextCreated; }
+      // final EGLContext getContextES3() { return contextES3; }
+
+      @Override
+      public AbstractGraphicsScreen getScreen() {
+          return null;
+      }
+      @Override
+      public GLDrawableImpl getDrawable() {
+          return null;
+      }
+      @Override
+      public GLContextImpl getContext() {
+          return null;
+      }
+      @Override
+      public GLRendererQuirks getRendererQuirks() {
+          return null != rendererQuirksES3ES2 ? rendererQuirksES3ES2 : rendererQuirksES1 ;
+      }
     }
 
+    @Override
     public final AbstractGraphicsDevice getDefaultDevice() {
       return defaultDevice;
     }
 
+    @Override
     public final boolean getIsDeviceCompatible(AbstractGraphicsDevice device) {
       // via mappings (X11/WGL/.. -> EGL) we shall be able to handle all types.
-      return null!=eglES2DynamicLookupHelper || null!=eglES1DynamicLookupHelper;
+      return null != sharedMap ; // null!=eglES2DynamicLookupHelper || null!=eglES1DynamicLookupHelper;
     }
 
-    /**
-    private boolean isEGLContextAvailable(EGLGraphicsDevice sharedDevice, String profile) {
-        boolean madeCurrent = false;
-        final GLCapabilities caps = new GLCapabilities(GLProfile.get(profile));
-        caps.setRedBits(5); caps.setGreenBits(5); caps.setBlueBits(5); caps.setAlphaBits(0);
-        caps.setDoubleBuffered(false);
-        caps.setOnscreen(false);
-        caps.setPBuffer(true);
-        final EGLDrawable drawable = (EGLDrawable) createGLDrawable( createOffscreenSurfaceImpl(sharedDevice, caps, caps, null, 64, 64) );        
-        if(null!=drawable) {
-            final EGLContext context = (EGLContext) drawable.createContext(null);
-            if (null != context) {
-                context.setSynchronized(true);
-                try {
-                    context.makeCurrent(); // could cause exception
-                    madeCurrent = context.isCurrent();
-                } catch (GLException gle) {
-                    if (DEBUG) {
-                        System.err.println("EGLDrawableFactory.createShared: INFO: makeCurrent failed");
-                        gle.printStackTrace();
-                    }                    
-                } finally {
-                    context.destroy();
-                }
+    private static List<GLCapabilitiesImmutable> getAvailableEGLConfigs(EGLGraphicsDevice eglDisplay, GLCapabilitiesImmutable caps) {
+        final IntBuffer numConfigs = Buffers.newDirectIntBuffer(1);
+        if(!EGL.eglGetConfigs(eglDisplay.getHandle(), null, 0, numConfigs)) {
+            throw new GLException("EGLDrawableFactory.getAvailableEGLConfigs: Get maxConfigs (eglGetConfigs) call failed, error "+EGLContext.toHexString(EGL.eglGetError()));
+        }
+        if(0 < numConfigs.get(0)) {
+            final PointerBuffer configs = PointerBuffer.allocateDirect(numConfigs.get(0));
+            final IntBuffer attrs = EGLGraphicsConfiguration.GLCapabilities2AttribList(caps);
+            final int winattrmask = GLGraphicsConfigurationUtil.getExclusiveWinAttributeBits(caps);
+            if( EGL.eglChooseConfig(eglDisplay.getHandle(), attrs, configs, configs.capacity(), numConfigs) && numConfigs.get(0) > 0) {
+                return EGLGraphicsConfigurationFactory.eglConfigs2GLCaps(eglDisplay, caps.getGLProfile(), configs, numConfigs.get(0), winattrmask, false /* forceTransparentFlag */, false /* onlyFirstValid */);
             }
-            drawable.destroy();
         }
-        return madeCurrent;
-    } */
-    
-    /* package */ SharedResource getOrCreateEGLSharedResource(AbstractGraphicsDevice adevice) {
-        if(null == eglES1DynamicLookupHelper && null == eglES2DynamicLookupHelper) {
-            return null;
+        return new ArrayList<GLCapabilitiesImmutable>(0);
+    }
+
+    private static void dumpEGLInfo(final String prefix, final long eglDisplay) {
+        final String eglVendor = EGL.eglQueryString(eglDisplay, EGL.EGL_VENDOR);
+        final String eglClientAPIs = EGL.eglQueryString(eglDisplay, EGL.EGL_CLIENT_APIS);
+        final String eglVersion = EGL.eglQueryString(eglDisplay, EGL.EGL_VERSION);
+        System.err.println(prefix+"EGL vendor "+eglVendor+", version "+eglVersion+", clientAPIs "+eglClientAPIs);
+    }
+
+    private boolean mapAvailableEGLESConfig(AbstractGraphicsDevice adevice, int[] esProfile,
+                                            boolean[] hasPBuffer, GLRendererQuirks[] rendererQuirks, int[] ctp) {
+        final String profileString;
+        switch( esProfile[0] ) {
+            case 3:
+                profileString = GLProfile.GLES3; break;
+            case 2:
+                profileString = GLProfile.GLES2; break;
+            case 1:
+                profileString = GLProfile.GLES1; break;
+            default:
+                throw new GLException("Invalid ES profile number "+esProfile);
         }
-        String connection = adevice.getConnection();
-        SharedResource sr;
-        synchronized(sharedMap) {
-            sr = (SharedResource) sharedMap.get(connection);
-        }
-        if(null==sr) {
-            long eglDisplay = EGLDisplayUtil.eglGetDisplay(EGL.EGL_DEFAULT_DISPLAY);
-            if (eglDisplay == EGL.EGL_NO_DISPLAY) {
-                throw new GLException("Failed to created EGL default display: error 0x"+Integer.toHexString(EGL.eglGetError()));
-            } else if(DEBUG) {
-                System.err.println("EGLDrawableFactory.createShared: eglDisplay(EGL_DEFAULT_DISPLAY): 0x"+Long.toHexString(eglDisplay));
+        if ( !GLProfile.isAvailable(adevice, profileString) ) {
+            if( DEBUG ) {
+                System.err.println("EGLDrawableFactory.mapAvailableEGLESConfig: "+profileString+" n/a on "+adevice);
             }
-            if (!EGLDisplayUtil.eglInitialize(eglDisplay, null, null)) {
-                throw new GLException("eglInitialize failed"+", error 0x"+Integer.toHexString(EGL.eglGetError()));
+            return false;
+        }
+        final GLProfile glp = GLProfile.get(adevice, profileString) ;
+        final GLDrawableFactoryImpl desktopFactory = (GLDrawableFactoryImpl) GLDrawableFactory.getDesktopFactory();
+        final boolean initDefaultDevice = 0 == defaultDevice.getHandle(); // Note: GLProfile always triggers EGL device initialization first!
+        final boolean mapsADeviceToDefaultDevice = !QUERY_EGL_ES_NATIVE_TK || initDefaultDevice ||
+                                                   null == desktopFactory || adevice instanceof EGLGraphicsDevice ;
+        if( DEBUG ) {
+            System.err.println("EGLDrawableFactory.mapAvailableEGLESConfig: "+profileString+" ( "+esProfile+" ), "+
+                               "defaultSharedResourceSet "+(null!=defaultSharedResource)+", mapsADeviceToDefaultDevice "+mapsADeviceToDefaultDevice+
+                               " (QUERY_EGL_ES_NATIVE_TK "+QUERY_EGL_ES_NATIVE_TK+", hasDesktopFactory "+(null != desktopFactory)+
+                               ", isEGLGraphicsDevice "+(adevice instanceof EGLGraphicsDevice)+")");
+        }
+
+        EGLGraphicsDevice eglDevice = null;
+        NativeSurface surface = null;
+        ProxySurface upstreamSurface = null; // X11, GLX, ..
+        ProxySurface downstreamSurface = null; // EGL
+        boolean success = false;
+        try {
+            final GLCapabilities reqCapsAny = new GLCapabilities(glp);
+            reqCapsAny.setRedBits(5); reqCapsAny.setGreenBits(5); reqCapsAny.setBlueBits(5); reqCapsAny.setAlphaBits(0);
+            reqCapsAny.setDoubleBuffered(false);
+
+            if( mapsADeviceToDefaultDevice ) {
+                // In this branch, any non EGL device is mapped to EGL default shared resources (default behavior).
+                // Only one default shared resource instance is ever be created.
+                if( initDefaultDevice ) {
+                    defaultDevice.open();
+
+                    // Probe for GLRendererQuirks.SingletonEGLDisplayOnly
+                    final long secondEGLDisplay = EGL.eglGetDisplay(EGL.EGL_DEFAULT_DISPLAY);
+                    if ( EGL.EGL_NO_DISPLAY == secondEGLDisplay ) {
+                        final int[] quirks = { GLRendererQuirks.SingletonEGLDisplayOnly };
+                        GLRendererQuirks.addStickyDeviceQuirks(adevice, quirks, 0, 1);
+                        EGLDisplayUtil.setSingletonEGLDisplayOnly(true);
+                        if(DEBUG) {
+                            System.err.println("Quirk: "+GLRendererQuirks.toString(quirks[0])+": cause: Second eglGetDisplay(EGL_DEFAULT_DISPLAY) failed");
+                        }
+                    }
+                }
+                if( DEBUG ) {
+                    dumpEGLInfo("EGLDrawableFactory.mapAvailableEGLESConfig: ", defaultDevice.getHandle());
+                }
+
+                final GLCapabilitiesImmutable reqCapsPBuffer = GLGraphicsConfigurationUtil.fixGLPBufferGLCapabilities(reqCapsAny);
+                final List<GLCapabilitiesImmutable> availablePBufferCapsL = getAvailableEGLConfigs(defaultDevice, reqCapsPBuffer);
+                hasPBuffer[0] = availablePBufferCapsL.size() > 0;
+
+                // 1st case: adevice is not the EGL default device, map default shared resources
+                if( adevice != defaultDevice ) {
+                    if(null == defaultSharedResource) {
+                        return false;
+                    }
+                    switch(esProfile[0]) {
+                        case 3:
+                            if( !defaultSharedResource.wasES3ContextCreated ) {
+                                return false;
+                            }
+                            rendererQuirks[0] = defaultSharedResource.rendererQuirksES3ES2;
+                            ctp[0] = defaultSharedResource.ctpES3ES2;
+                            break;
+                        case 2:
+                            if( !defaultSharedResource.wasES2ContextCreated ) {
+                                return false;
+                            }
+                            rendererQuirks[0] = defaultSharedResource.rendererQuirksES3ES2;
+                            ctp[0] = defaultSharedResource.ctpES3ES2;
+                            break;
+                        case 1:
+                            if( !defaultSharedResource.wasES1ContextCreated ) {
+                                return false;
+                            }
+                            rendererQuirks[0] = defaultSharedResource.rendererQuirksES1;
+                            ctp[0] = defaultSharedResource.ctpES1;
+                            break;
+                    }
+                    if( null != rendererQuirks[0] ) {
+                        GLRendererQuirks.addStickyDeviceQuirks(adevice, rendererQuirks[0]);
+                    }
+                    EGLContext.mapStaticGLVersion(adevice, esProfile[0], 0, ctp[0]);
+                    return true;
+                }
+
+                // attempt to created the default shared resources ..
+
+                if( hasPBuffer[0] ) {
+                    // 2nd case create defaultDevice shared resource using pbuffer surface
+                    downstreamSurface = createDummySurfaceImpl(defaultDevice, false, reqCapsPBuffer, reqCapsPBuffer, null, 64, 64); // egl pbuffer offscreen
+                    if( null != downstreamSurface ) {
+                        downstreamSurface.createNotify();
+                    }
+                    surface = downstreamSurface;
+                } else {
+                    // 3rd case fake creation of defaultDevice shared resource, no pbuffer available
+                    final List<GLCapabilitiesImmutable> capsAnyL = getAvailableEGLConfigs(defaultDevice, reqCapsAny);
+                    if(capsAnyL.size() > 0) {
+                        final GLCapabilitiesImmutable chosenCaps = capsAnyL.get(0);
+                        EGLContext.mapStaticGLESVersion(defaultDevice, chosenCaps);
+                        success = true;
+                    }
+                    if(DEBUG) {
+                        System.err.println("EGLDrawableFactory.mapAvailableEGLESConfig() no pbuffer config available, detected !pbuffer config: "+success);
+                        EGLGraphicsConfigurationFactory.printCaps("!PBufferCaps", capsAnyL, System.err);
+                    }
+                }
+                eglDevice = defaultDevice; // reuse
+            } else {
+                // 4th case always creates a true mapping of given device to EGL
+                upstreamSurface = desktopFactory.createDummySurface(adevice, reqCapsAny, null, 64, 64); // X11, WGL, .. dummy window
+                if(null != upstreamSurface) {
+                    upstreamSurface.createNotify();
+                }
+                surface = upstreamSurface;
+                eglDevice = EGLDisplayUtil.eglCreateEGLGraphicsDevice(surface);
+                eglDevice.open();
+                if( DEBUG ) {
+                    dumpEGLInfo("EGLDrawableFactory.mapAvailableEGLESConfig: ", eglDevice.getHandle());
+                }
+                hasPBuffer[0] = true;
             }
-            final EGLGraphicsDevice sharedDevice = new EGLGraphicsDevice(eglDisplay, connection, adevice.getUnitID());            
-            // final boolean madeCurrentES1 = isEGLContextAvailable(sharedDevice, GLProfile.GLES1);
-            // final boolean madeCurrentES2 = isEGLContextAvailable(sharedDevice, GLProfile.GLES2);
-            final boolean madeCurrentES1 = true; // FIXME
-            final boolean madeCurrentES2 = true; // FIXME
-            sr = new SharedResource(sharedDevice, madeCurrentES1, madeCurrentES2);
-            synchronized(sharedMap) {
-                sharedMap.put(connection, sr);
+
+            if(null != surface) {
+                final EGLDrawable drawable = (EGLDrawable) createOnscreenDrawableImpl ( surface ); // works w/ implicit pbuffer surface via proxy-hook
+                drawable.setRealized(true);
+                final EGLContext context = (EGLContext) drawable.createContext(null);
+                if (null != context) {
+                    try {
+                        context.makeCurrent(); // could cause exception
+                        if(context.isCurrent()) {
+                            final String glVersion = context.getGL().glGetString(GL.GL_VERSION);
+                            if(null != glVersion) {
+                                context.mapCurrentAvailableGLVersion(eglDevice);
+                                if(eglDevice != adevice) {
+                                    context.mapCurrentAvailableGLVersion(adevice);
+                                }
+                                rendererQuirks[0] = context.getRendererQuirks();
+                                ctp[0] = context.getContextOptions();
+                                esProfile[0] = context.getGLVersionNumber().getMajor();
+                                success = true;
+                            } else {
+                                // Oops .. something is wrong
+                                if(DEBUG) {
+                                    System.err.println("EGLDrawableFactory.mapAvailableEGLESConfig: "+eglDevice+", "+context.getGLVersion()+" - VERSION is null, dropping availability!");
+                                }
+                            }
+                        }
+                    } catch (Throwable t) {
+                        if (DEBUG) {
+                            System.err.println("EGLDrawableFactory.mapAvailableEGLESConfig: INFO: context create/makeCurrent failed");
+                            t.printStackTrace();
+                        }
+                    } finally {
+                        context.destroy();
+                    }
+                }
+                drawable.setRealized(false);
+            }
+        } catch (Throwable t) {
+            if(DEBUG) {
+                System.err.println("Catched Exception on thread "+getThreadName());
+                t.printStackTrace();
+            }
+            success = false;
+        } finally {
+            if(null != downstreamSurface) {
+                downstreamSurface.destroyNotify();
+            }
+            if( defaultDevice != eglDevice ) { // don't close default device
+                if(null != eglDevice) {
+                    eglDevice.close();
+                }
+                if(null != upstreamSurface) {
+                    upstreamSurface.destroyNotify();
+                }
             }
-            if (DEBUG) {
-                System.err.println("EGLDrawableFactory.createShared: device:  " + sharedDevice);
-                System.err.println("EGLDrawableFactory.createShared: context ES1: " + madeCurrentES1);
-                System.err.println("EGLDrawableFactory.createShared: context ES2: " + madeCurrentES2);
-            }                        
         }
-        return sr;
+        return success;
     }
 
-    protected final Thread getSharedResourceThread() {
-        return null;
+    private final boolean needsToCreateSharedResource(String key, SharedResource[] existing) {
+        synchronized(sharedMap) {
+            final SharedResource sr = sharedMap.get(key);
+            if( null == sr ) {
+                final boolean createAttempted = sharedMapCreateAttempt.contains(key);
+                if(!createAttempted) {
+                    sharedMapCreateAttempt.add(key);
+                }
+                return !createAttempted;
+            } else {
+                if(null != existing) {
+                    existing[0] = sr;
+                }
+                return false;
+            }
+        }
     }
-    
-    protected final boolean createSharedResource(AbstractGraphicsDevice device) {
-        try {
-            SharedResource sr = getOrCreateEGLSharedResource(device);
-            if(null!=sr) {
-                return sr.wasES1ContextAvailable() || sr.wasES2ContextAvailable();
+
+    @Override
+    protected final SharedResource getOrCreateSharedResourceImpl(AbstractGraphicsDevice adevice) {
+        if(null == sharedMap) { // null == eglES1DynamicLookupHelper && null == eglES2DynamicLookupHelper
+            return null;
+        }
+
+        if( needsToCreateSharedResource(defaultDevice.getUniqueID(), null) ) {
+            if (DEBUG) {
+                System.err.println("EGLDrawableFactory.createShared: (defaultDevice): req. device: "+adevice+", defaultDevice "+defaultDevice);
+                Thread.dumpStack();
             }
-        } catch (GLException gle) {
-            if(DEBUG) {
-                System.err.println("Catched Exception while EGL Shared Resource initialization");
-                gle.printStackTrace();
+            if(null != defaultSharedResource) {
+                dumpMap();
+                throw new InternalError("defaultSharedResource already exist: "+defaultSharedResource);
             }
+            defaultSharedResource = createEGLSharedResourceImpl(defaultDevice);
+        }
+
+        final String key = adevice.getUniqueID();
+        if( defaultDevice.getUniqueID().equals(key) ) {
+            return defaultSharedResource;
+        } else {
+            if( null == defaultSharedResource) { // defaultDevice must be initialized before host-device
+                dumpMap();
+                throw new InternalError("defaultSharedResource does not exist");
+            }
+            final SharedResource[] existing = new SharedResource[] { null };
+            if ( !needsToCreateSharedResource(key, existing) ) {
+                return existing[0];
+            }
+            return createEGLSharedResourceImpl(adevice);
         }
-        return false;        
     }
-    
-    protected final GLContext getOrCreateSharedContextImpl(AbstractGraphicsDevice device) {
-        return null; // n/a for EGL .. since we don't keep the resources
+
+    private SharedResource createEGLSharedResourceImpl(AbstractGraphicsDevice adevice) {
+        final boolean madeCurrentES1;
+        boolean[] hasPBufferES1 = new boolean[] { false };
+        boolean[] hasPBufferES3ES2 = new boolean[] { false };
+        // EGLContext[] eglCtxES1 = new EGLContext[] { null };
+        // EGLContext[] eglCtxES2 = new EGLContext[] { null };
+        GLRendererQuirks[] rendererQuirksES1 = new GLRendererQuirks[] { null };
+        GLRendererQuirks[] rendererQuirksES3ES2 = new GLRendererQuirks[] { null };
+        int[] ctpES1 = new int[] { -1 };
+        int[] ctpES3ES2 = new int[] { -1 };
+
+
+        if (DEBUG) {
+            System.err.println("EGLDrawableFactory.createShared(): device "+adevice);
+        }
+
+        if( null != eglES1DynamicLookupHelper ) {
+            final int[] esProfile = { 1 };
+            madeCurrentES1 = mapAvailableEGLESConfig(adevice, esProfile, hasPBufferES1, rendererQuirksES1, ctpES1) && 1 == esProfile[0];
+        } else {
+            madeCurrentES1 = false;
+        }
+        boolean madeCurrentES2 = false;
+        boolean madeCurrentES3 = false;
+        if( null != eglES2DynamicLookupHelper ) {
+            // ES3 Query
+            final int[] esProfile = { 3 };
+            madeCurrentES3 = mapAvailableEGLESConfig(adevice, esProfile, hasPBufferES3ES2, rendererQuirksES3ES2, ctpES3ES2) && 3 == esProfile[0];
+            if( !madeCurrentES3 ) {
+                // ES2 Query, may result in ES3
+                esProfile[0] = 2;
+                if( mapAvailableEGLESConfig(adevice, esProfile, hasPBufferES3ES2, rendererQuirksES3ES2, ctpES3ES2) ) {
+                    switch( esProfile[0] ) {
+                        case 2: madeCurrentES2 = true; break;
+                        case 3: madeCurrentES3 = true; break;
+                        default: throw new InternalError("XXXX Got "+esProfile[0]);
+                    }
+                }
+            }
+        }
+        if( !EGLContext.getAvailableGLVersionsSet(adevice) ) {
+            // Even though we override the non EGL native mapping intentionally,
+            // avoid exception due to double 'set' - carefull exception of the rule.
+            EGLContext.setAvailableGLVersionsSet(adevice);
+        }
+        if( hasX11 ) {
+            handleDontCloseX11DisplayQuirk(rendererQuirksES1[0]);
+            handleDontCloseX11DisplayQuirk(rendererQuirksES3ES2[0]);
+        }
+        final SharedResource sr = new SharedResource(defaultDevice, madeCurrentES1, hasPBufferES1[0], rendererQuirksES1[0], ctpES1[0],
+                                                                    madeCurrentES2, madeCurrentES3, hasPBufferES3ES2[0], rendererQuirksES3ES2[0], ctpES3ES2[0]);
+
+        synchronized(sharedMap) {
+            sharedMap.put(adevice.getUniqueID(), sr);
+        }
+        if (DEBUG) {
+            System.err.println("EGLDrawableFactory.createShared: devices: queried nativeTK "+QUERY_EGL_ES_NATIVE_TK+", adevice " + adevice + ", defaultDevice " + defaultDevice);
+            System.err.println("EGLDrawableFactory.createShared: context ES1: " + madeCurrentES1 + ", hasPBuffer "+hasPBufferES1[0]+", quirks "+rendererQuirksES1[0]);
+            System.err.println("EGLDrawableFactory.createShared: context ES2: " + madeCurrentES2 + ", hasPBuffer "+hasPBufferES3ES2[0]+", quirks "+rendererQuirksES3ES2[0]);
+            System.err.println("EGLDrawableFactory.createShared: context ES3: " + madeCurrentES3 + ", hasPBuffer "+hasPBufferES3ES2[0]+", quirks "+rendererQuirksES3ES2[0]);
+            dumpMap();
+        }
+        return sr;
     }
-    
-    protected AbstractGraphicsDevice getOrCreateSharedDeviceImpl(AbstractGraphicsDevice device) {
-        SharedResource sr = getOrCreateEGLSharedResource(device);
-        if(null!=sr) {
-            return sr.getDevice();
+
+    private void handleDontCloseX11DisplayQuirk(GLRendererQuirks quirks) {
+        if( null != quirks && quirks.exist( GLRendererQuirks.DontCloseX11Display ) ) {
+            jogamp.nativewindow.x11.X11Util.markAllDisplaysUnclosable();
         }
+    }
+
+    @Override
+    protected final Thread getSharedResourceThread() {
         return null;
     }
 
-    public boolean isANGLE() {
+    public final boolean isANGLE() {
         return isANGLE;
     }
-    
+
+    @Override
     public GLDynamicLookupHelper getGLDynamicLookupHelper(int esProfile) {
-        if (2==esProfile) {
+        if ( 2==esProfile || 3==esProfile ) {
             return eglES2DynamicLookupHelper;
         } else if (1==esProfile) {
             return eglES1DynamicLookupHelper;
@@ -343,20 +708,23 @@ public class EGLDrawableFactory extends GLDrawableFactoryImpl {
         }
     }
 
+    @Override
     protected List<GLCapabilitiesImmutable> getAvailableCapabilitiesImpl(AbstractGraphicsDevice device) {
-        if(null == eglES1DynamicLookupHelper && null == eglES2DynamicLookupHelper) {
+        if(null == sharedMap) { // null == eglES1DynamicLookupHelper && null == eglES2DynamicLookupHelper
             return new ArrayList<GLCapabilitiesImmutable>(); // null
         }
         return EGLGraphicsConfigurationFactory.getAvailableCapabilities(this, device);
     }
 
+    @Override
     protected GLDrawableImpl createOnscreenDrawableImpl(NativeSurface target) {
         if (target == null) {
           throw new IllegalArgumentException("Null target");
         }
-        return new EGLOnscreenDrawable(this, target);
+        return new EGLOnscreenDrawable(this, EGLWrappedSurface.get(target));
     }
 
+    @Override
     protected GLDrawableImpl createOffscreenDrawableImpl(NativeSurface target) {
         if (target == null) {
           throw new IllegalArgumentException("Null target");
@@ -367,47 +735,104 @@ public class EGLDrawableFactory extends GLDrawableFactoryImpl {
             throw new GLException("Non pbuffer not yet implemented");
         }
         // PBuffer GLDrawable Creation
-        return new EGLPbufferDrawable(this, target);
+        return new EGLPbufferDrawable(this, EGLWrappedSurface.get(target));
     }
 
-    public boolean canCreateGLPbuffer(AbstractGraphicsDevice device) {
+    @Override
+    public boolean canCreateGLPbuffer(AbstractGraphicsDevice device, GLProfile glp) {
+        // SharedResource sr = getOrCreateEGLSharedResource(device);
+        // return sr.hasES1PBuffer() || sr.hasES2PBuffer();
         return true;
     }
 
-    protected NativeSurface createOffscreenSurfaceImpl(AbstractGraphicsDevice device, GLCapabilitiesImmutable capsChosen, GLCapabilitiesImmutable capsRequested, GLCapabilitiesChooser chooser, int width, int height) {
-        WrappedSurface ns = new WrappedSurface(EGLGraphicsConfigurationFactory.createOffscreenGraphicsConfiguration(device, capsChosen, capsRequested, chooser));
-        ns.surfaceSizeChanged(width, height);
-        return ns;
+    @Override
+    protected ProxySurface createMutableSurfaceImpl(AbstractGraphicsDevice deviceReq, boolean createNewDevice,
+                                                    GLCapabilitiesImmutable capsChosen, GLCapabilitiesImmutable capsRequested,
+                                                    GLCapabilitiesChooser chooser, UpstreamSurfaceHook upstreamHook) {
+        final boolean ownDevice;
+        final EGLGraphicsDevice device;
+        if( createNewDevice || ! (deviceReq instanceof EGLGraphicsDevice) ) {
+            final long nativeDisplayID = ( deviceReq instanceof EGLGraphicsDevice) ?
+                    ( (EGLGraphicsDevice) deviceReq ).getNativeDisplayID() : deviceReq.getHandle() ;
+            device = EGLDisplayUtil.eglCreateEGLGraphicsDevice(nativeDisplayID, deviceReq.getConnection(), deviceReq.getUnitID());
+            device.open();
+            ownDevice = true;
+        } else {
+            device = (EGLGraphicsDevice) deviceReq;
+            ownDevice = false;
+        }
+        final DefaultGraphicsScreen screen = new DefaultGraphicsScreen(device, 0);
+        final EGLGraphicsConfiguration config = EGLGraphicsConfigurationFactory.chooseGraphicsConfigurationStatic(capsChosen, capsRequested, chooser, screen, VisualIDHolder.VID_UNDEFINED, false);
+        if(null == config) {
+            throw new GLException("Choosing GraphicsConfiguration failed w/ "+capsChosen+" on "+screen);
+        }
+        return new WrappedSurface(config, 0, upstreamHook, ownDevice);
+    }
+
+    @Override
+    public final ProxySurface createDummySurfaceImpl(AbstractGraphicsDevice deviceReq, boolean createNewDevice,
+                                                     GLCapabilitiesImmutable chosenCaps, GLCapabilitiesImmutable requestedCaps, GLCapabilitiesChooser chooser, int width, int height) {
+        chosenCaps = GLGraphicsConfigurationUtil.fixGLPBufferGLCapabilities(chosenCaps); // complete validation in EGLGraphicsConfigurationFactory.chooseGraphicsConfigurationStatic(..) above
+        return createMutableSurfaceImpl(deviceReq, createNewDevice, chosenCaps, requestedCaps, chooser, new EGLDummyUpstreamSurfaceHook(width, height));
+    }
+
+    /**
+     * @param ms {@link MutableSurface} which dimensions and config are being used to create the pbuffer surface.
+     *           It will also hold the resulting pbuffer surface handle.
+     * @param useTexture
+     * @return the passed {@link MutableSurface} which now has the EGL pbuffer surface set as it's handle
+     */
+    protected static MutableSurface createPBufferSurfaceImpl(MutableSurface ms, boolean useTexture) {
+        return null;
+    }
+    protected static long createPBufferSurfaceImpl(EGLGraphicsConfiguration config, int width, int height, boolean useTexture) {
+        final EGLGraphicsDevice eglDevice = (EGLGraphicsDevice) config.getScreen().getDevice();
+        final GLCapabilitiesImmutable caps = (GLCapabilitiesImmutable) config.getChosenCapabilities();
+        final int texFormat;
+
+        if(useTexture) {
+            texFormat = caps.getAlphaBits() > 0 ? EGL.EGL_TEXTURE_RGBA : EGL.EGL_TEXTURE_RGB ;
+        } else {
+            texFormat = EGL.EGL_NO_TEXTURE;
+        }
+
+        if (DEBUG) {
+          System.out.println("Pbuffer config: " + config);
+        }
+
+        final IntBuffer attrs = EGLGraphicsConfiguration.CreatePBufferSurfaceAttribList(width, height, texFormat);
+        final long surf = EGL.eglCreatePbufferSurface(eglDevice.getHandle(), config.getNativeConfig(), attrs);
+        if (EGL.EGL_NO_SURFACE==surf) {
+            throw new GLException("Creation of window surface (eglCreatePbufferSurface) failed, dim "+width+"x"+height+", "+eglDevice+", "+config+", error 0x"+Integer.toHexString(EGL.eglGetError()));
+        } else if(DEBUG) {
+            System.err.println("PBuffer setSurface result: eglSurface 0x"+Long.toHexString(surf));
+        }
+        return surf;
     }
 
-    protected ProxySurface createProxySurfaceImpl(AbstractGraphicsDevice adevice, long windowHandle, GLCapabilitiesImmutable capsRequested, GLCapabilitiesChooser chooser) {    
-        // FIXME device/windowHandle -> screen ?!
-        EGLGraphicsDevice device = (EGLGraphicsDevice) adevice;
-        DefaultGraphicsScreen screen = new DefaultGraphicsScreen(device, 0);
-        EGLGraphicsConfiguration cfg = EGLGraphicsConfigurationFactory.chooseGraphicsConfigurationStatic(capsRequested, capsRequested, chooser, screen, VisualIDHolder.VID_UNDEFINED, false);
-        WrappedSurface ns = new WrappedSurface(cfg, windowHandle);
-        return ns;
+    @Override
+    protected ProxySurface createProxySurfaceImpl(AbstractGraphicsDevice deviceReq, int screenIdx, long windowHandle, GLCapabilitiesImmutable capsRequested, GLCapabilitiesChooser chooser, UpstreamSurfaceHook upstream) {
+        final EGLGraphicsDevice eglDeviceReq = (EGLGraphicsDevice) deviceReq;
+        final EGLGraphicsDevice device = EGLDisplayUtil.eglCreateEGLGraphicsDevice(eglDeviceReq.getNativeDisplayID(), deviceReq.getConnection(), deviceReq.getUnitID());
+        device.open();
+        final DefaultGraphicsScreen screen = new DefaultGraphicsScreen(device, screenIdx);
+        final EGLGraphicsConfiguration cfg = EGLGraphicsConfigurationFactory.chooseGraphicsConfigurationStatic(capsRequested, capsRequested, chooser, screen, VisualIDHolder.VID_UNDEFINED, false);
+        return new WrappedSurface(cfg, windowHandle, upstream, true);
     }
-    
+
+    @Override
     protected GLContext createExternalGLContextImpl() {
         AbstractGraphicsScreen absScreen = DefaultGraphicsScreen.createDefault(NativeWindowFactory.TYPE_EGL);
         return new EGLExternalContext(absScreen);
     }
 
+    @Override
     public boolean canCreateExternalGLDrawable(AbstractGraphicsDevice device) {
         return false;
     }
 
+    @Override
     protected GLDrawable createExternalGLDrawableImpl() {
         throw new GLException("Not yet implemented");
     }
-
-    public boolean canCreateContextOnJava2DSurface(AbstractGraphicsDevice device) {
-        return false;
-    }
-
-    public GLContext createContextOnJava2DSurface(Object graphics, GLContext shareWith)
-        throws GLException {
-        throw new GLException("Unimplemented on this platform");
-    }
 }
diff --git a/src/jogl/classes/jogamp/opengl/egl/EGLDummyUpstreamSurfaceHook.java b/src/jogl/classes/jogamp/opengl/egl/EGLDummyUpstreamSurfaceHook.java
new file mode 100644
index 000000000..818f32607
--- /dev/null
+++ b/src/jogl/classes/jogamp/opengl/egl/EGLDummyUpstreamSurfaceHook.java
@@ -0,0 +1,60 @@
+package jogamp.opengl.egl;
+
+import javax.media.nativewindow.NativeSurface;
+import javax.media.nativewindow.ProxySurface;
+import javax.media.nativewindow.UpstreamSurfaceHook;
+
+import com.jogamp.nativewindow.UpstreamSurfaceHookMutableSize;
+import com.jogamp.nativewindow.egl.EGLGraphicsDevice;
+
+/** Uses a PBuffer offscreen surface */
+public class EGLDummyUpstreamSurfaceHook extends UpstreamSurfaceHookMutableSize {
+    /**
+     * @param width the initial width as returned by {@link NativeSurface#getWidth()} via {@link UpstreamSurfaceHook#getWidth(ProxySurface)},
+     *        not the actual dummy surface width.
+     *        The latter is platform specific and small
+     * @param height the initial height as returned by {@link NativeSurface#getHeight()} via {@link UpstreamSurfaceHook#getHeight(ProxySurface)},
+     *        not the actual dummy surface height,
+     *        The latter is platform specific and small
+     */
+    public EGLDummyUpstreamSurfaceHook(int width, int height) {
+        super(width, height);
+    }
+
+    @Override
+    public final void create(ProxySurface s) {
+        final EGLGraphicsDevice eglDevice = (EGLGraphicsDevice) s.getGraphicsConfiguration().getScreen().getDevice();
+        eglDevice.lock();
+        try {
+            if(0 == eglDevice.getHandle()) {
+                eglDevice.open();
+                s.addUpstreamOptionBits( ProxySurface.OPT_PROXY_OWNS_UPSTREAM_DEVICE );
+            }
+            if( EGL.EGL_NO_SURFACE == s.getSurfaceHandle() ) {
+                s.setSurfaceHandle( EGLDrawableFactory.createPBufferSurfaceImpl((EGLGraphicsConfiguration)s.getGraphicsConfiguration(), 64, 64, false) );
+                s.addUpstreamOptionBits( ProxySurface.OPT_PROXY_OWNS_UPSTREAM_SURFACE );
+            }
+            s.addUpstreamOptionBits(ProxySurface.OPT_UPSTREAM_WINDOW_INVISIBLE);
+        } finally {
+            eglDevice.unlock();
+        }
+    }
+
+    @Override
+    public final void destroy(ProxySurface s) {
+        if( s.containsUpstreamOptionBits( ProxySurface.OPT_PROXY_OWNS_UPSTREAM_SURFACE ) ) {
+            final EGLGraphicsDevice eglDevice = (EGLGraphicsDevice) s.getGraphicsConfiguration().getScreen().getDevice();
+            if( EGL.EGL_NO_SURFACE == s.getSurfaceHandle() ) {
+                throw new InternalError("Owns upstream surface, but no EGL surface: "+s);
+            }
+            eglDevice.lock();
+            try {
+                EGL.eglDestroySurface(eglDevice.getHandle(), s.getSurfaceHandle());
+                s.setSurfaceHandle(EGL.EGL_NO_SURFACE);
+                s.clearUpstreamOptionBits( ProxySurface.OPT_PROXY_OWNS_UPSTREAM_SURFACE );
+            } finally {
+                eglDevice.unlock();
+            }
+        }
+    }
+}
diff --git a/src/jogl/classes/jogamp/opengl/egl/EGLDynamicLibraryBundleInfo.java b/src/jogl/classes/jogamp/opengl/egl/EGLDynamicLibraryBundleInfo.java
index fe9d7573d..ebe8f49c8 100644
--- a/src/jogl/classes/jogamp/opengl/egl/EGLDynamicLibraryBundleInfo.java
+++ b/src/jogl/classes/jogamp/opengl/egl/EGLDynamicLibraryBundleInfo.java
@@ -3,14 +3,14 @@
  *
  * 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
@@ -20,15 +20,16 @@
  * 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 jogamp.opengl.egl;
 
 import com.jogamp.common.os.AndroidVersion;
+import com.jogamp.common.os.Platform;
 
 import java.util.*;
 
@@ -38,10 +39,10 @@ import jogamp.opengl.*;
  * Abstract implementation of the DynamicLookupHelper for EGL,
  * which decouples it's dependencies to EGLDrawable.
  *
- * Currently two implementations exist, one for ES1 and one for ES2.
+ * Currently two implementations exist, one for ES1 and one for ES3 and ES2.
  */
 public abstract class EGLDynamicLibraryBundleInfo extends GLDynamicLibraryBundleInfo {
-    static List<String> glueLibNames;
+    static final List<String> glueLibNames;
     static {
         glueLibNames = new ArrayList<String>();
         glueLibNames.add("jogl_mobile");
@@ -51,27 +52,23 @@ public abstract class EGLDynamicLibraryBundleInfo extends GLDynamicLibraryBundle
         super();
     }
 
-    /** 
-     * Might be a desktop GL library, and might need to allow symbol access to subsequent libs.
-     * 
-     * This respects old DRI requirements:<br>
-     * <pre>
-     * http://dri.sourceforge.net/doc/DRIuserguide.html
-     * </pre>
+    /**
+     * Returns <code>true</code> on <code>Android</code>,
+     * and <code>false</code> otherwise.
+     * <p>
+     * {@inheritDoc}
+     * </p>
      */
     @Override
-    public boolean shallLinkGlobal() { return true; }
-    
-    @Override
-    public boolean shallLookupGlobal() {
-        if ( AndroidVersion.isAvailable ) {
+    public final boolean shallLookupGlobal() {
+        if ( Platform.OSType.ANDROID == Platform.OS_TYPE ) {
             // Android requires global symbol lookup
             return true;
         }
         // default behavior for other platforms
         return false;
     }
-    
+
     @Override
     public final List<String> getToolGetProcAddressFuncNameList() {
         List<String> res = new ArrayList<String>();
@@ -93,26 +90,26 @@ public abstract class EGLDynamicLibraryBundleInfo extends GLDynamicLibraryBundle
             return true;
         }
     }
-    
-    protected List<String> getEGLLibNamesList() {
+
+    protected final List<String> getEGLLibNamesList() {
         List<String> eglLibNames = new ArrayList<String>();
-        
-        // this is the default EGL lib name, according to the spec 
+
+        // this is the default EGL lib name, according to the spec
         eglLibNames.add("libEGL.so.1");
-        
+
         // try these as well, if spec fails
         eglLibNames.add("libEGL.so");
         eglLibNames.add("EGL");
-        
-        // for windows distributions using the 'unlike' lib prefix, 
+
+        // for windows distributions using the 'unlike' lib prefix,
         // where our tool does not add it.
         eglLibNames.add("libEGL");
-        
+
         return eglLibNames;
     }
 
     @Override
     public final List<String> getGlueLibNames() {
         return glueLibNames;
-    }    
+    }
 }
diff --git a/src/jogl/classes/jogamp/opengl/egl/EGLES1DynamicLibraryBundleInfo.java b/src/jogl/classes/jogamp/opengl/egl/EGLES1DynamicLibraryBundleInfo.java
index 0a373eb7f..361ec26ff 100644
--- a/src/jogl/classes/jogamp/opengl/egl/EGLES1DynamicLibraryBundleInfo.java
+++ b/src/jogl/classes/jogamp/opengl/egl/EGLES1DynamicLibraryBundleInfo.java
@@ -3,14 +3,14 @@
  *
  * 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
@@ -20,48 +20,49 @@
  * 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 jogamp.opengl.egl;
 
 import java.util.*;
 
-public class EGLES1DynamicLibraryBundleInfo extends EGLDynamicLibraryBundleInfo {
+public final class EGLES1DynamicLibraryBundleInfo extends EGLDynamicLibraryBundleInfo {
     protected EGLES1DynamicLibraryBundleInfo() {
         super();
     }
 
-    public List<List<String>> getToolLibNames() {
+    @Override
+    public final List<List<String>> getToolLibNames() {
         final List<List<String>> libsList = new ArrayList<List<String>>();
         {
             final List<String> libsGL = new ArrayList<String>();
-            
-            // this is the default lib name, according to the spec 
+
+            // this is the default lib name, according to the spec
             libsGL.add("libGLESv1_CM.so.2");
-            
+
             // try these as well, if spec fails
             libsGL.add("libGLESv1_CM.so");
-            libsGL.add("GLESv1_CM");            
+            libsGL.add("GLESv1_CM");
 
             // alternative names
             libsGL.add("GLES_CM");
             libsGL.add("GLES_CL");
-            
-            // for windows distributions using the 'unlike' lib prefix, 
+
+            // for windows distributions using the 'unlike' lib prefix,
             // where our tool does not add it.
             libsGL.add("libGLESv1_CM");
             libsGL.add("libGLES_CM");
             libsGL.add("libGLES_CL");
-            
+
             libsList.add(libsGL);
         }
         libsList.add(getEGLLibNamesList());
-        
+
         return libsList;
-    }    
+    }
 }
 
diff --git a/src/jogl/classes/jogamp/opengl/egl/EGLES2DynamicLibraryBundleInfo.java b/src/jogl/classes/jogamp/opengl/egl/EGLES2DynamicLibraryBundleInfo.java
index d4ee852b1..74738463f 100644
--- a/src/jogl/classes/jogamp/opengl/egl/EGLES2DynamicLibraryBundleInfo.java
+++ b/src/jogl/classes/jogamp/opengl/egl/EGLES2DynamicLibraryBundleInfo.java
@@ -3,14 +3,14 @@
  *
  * 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
@@ -20,49 +20,70 @@
  * 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 jogamp.opengl.egl;
 
 import java.util.*;
 
-public class EGLES2DynamicLibraryBundleInfo extends EGLDynamicLibraryBundleInfo {
+/**
+ * <p>
+ * Covering ES3 and ES2.
+ * </p>
+ */
+public final class EGLES2DynamicLibraryBundleInfo extends EGLDynamicLibraryBundleInfo {
     protected EGLES2DynamicLibraryBundleInfo() {
         super();
     }
 
-    public List<List<String>> getToolLibNames() {
+    @Override
+    public final List<List<String>> getToolLibNames() {
         final List<List<String>> libsList = new ArrayList<List<String>>();
         {
             final List<String> libsGL = new ArrayList<String>();
-            
-            // this is the default lib name, according to the spec 
+
+            // ES3: This is the default lib name, according to the spec
+            libsGL.add("libGLESv3.so.3");
+
+            // ES3: Try these as well, if spec fails
+            libsGL.add("libGLESv3.so");
+            libsGL.add("GLESv3");
+
+            // ES3: Alternative names
+            libsGL.add("GLES30");
+
+            // ES3: For windows distributions using the 'unlike' lib prefix
+            // where our tool does not add it.
+            libsGL.add("libGLESv3");
+            libsGL.add("libGLES30");
+
+            // ES2: This is the default lib name, according to the spec
             libsGL.add("libGLESv2.so.2");
-            
-            // try these as well, if spec fails
-            libsGL.add("libGLESv2.so");            
+
+            // ES2: Try these as well, if spec fails
+            libsGL.add("libGLESv2.so");
             libsGL.add("GLESv2");
 
-            // alternative names
+            // ES2: Alternative names
             libsGL.add("GLES20");
             libsGL.add("GLESv2_CM");
 
-            // for windows distributions using the 'unlike' lib prefix
+            // ES2: For windows distributions using the 'unlike' lib prefix
             // where our tool does not add it.
             libsGL.add("libGLESv2");
             libsGL.add("libGLESv2_CM");
-            libsGL.add("libGLES20"); 
-    
+            libsGL.add("libGLES20");
+
             libsList.add(libsGL);
         }
         libsList.add(getEGLLibNamesList());
-        
+
         return libsList;
-    }    
-    
+    }
+
 }
 
diff --git a/src/jogl/classes/jogamp/opengl/egl/EGLExternalContext.java b/src/jogl/classes/jogamp/opengl/egl/EGLExternalContext.java
index ff60a5262..aff18fc81 100644
--- a/src/jogl/classes/jogamp/opengl/egl/EGLExternalContext.java
+++ b/src/jogl/classes/jogamp/opengl/egl/EGLExternalContext.java
@@ -1,21 +1,21 @@
 /*
  * Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
- * 
+ *
  * - Redistribution of source code must retain the above copyright
  *   notice, this list of conditions and the following disclaimer.
- * 
+ *
  * - Redistribution in binary form must reproduce the above copyright
  *   notice, this list of conditions and the following disclaimer in the
  *   documentation and/or other materials provided with the distribution.
- * 
+ *
  * Neither the name of Sun Microsystems, Inc. or the names of
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
- * 
+ *
  * This software is provided "AS IS," without a warranty of any kind. ALL
  * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
  * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
@@ -28,7 +28,7 @@
  * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
  * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
  * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
- * 
+ *
  * Sun gratefully acknowledges that this software was originally authored
  * and developed by Kenneth Bradley Russell and Christopher John Kline.
  */
@@ -36,51 +36,27 @@
 package jogamp.opengl.egl;
 
 import javax.media.opengl.*;
+
 import jogamp.opengl.*;
+
 import javax.media.nativewindow.*;
 
 public class EGLExternalContext extends EGLContext {
-    private GLContext lastContext;
 
     public EGLExternalContext(AbstractGraphicsScreen screen) {
         super(null, null);
         GLContextShareSet.contextCreated(this);
-        setGLFunctionAvailability(false, 0, 0, CTX_IS_ARB_CREATED|CTX_PROFILE_ES);
-        getGLStateTracker().setEnabled(false); // external context usage can't track state in Java
-    }
-
-    public int makeCurrent() throws GLException {
-        // Save last context if necessary to allow external GLContexts to
-        // talk to other GLContexts created by this library
-        GLContext cur = getCurrent();
-        if (cur != null && cur != this) {
-            lastContext = cur;
-            setCurrent(null);
+        if( !setGLFunctionAvailability(false, 0, 0, CTX_PROFILE_ES, false /* strictMatch */, false /* withinGLVersionsMapping */) ) { // use GL_VERSION
+            throw new InternalError("setGLFunctionAvailability !strictMatch failed");
         }
-        return super.makeCurrent();
-    }  
-
-    public void release() throws GLException {
-        super.release();
-        setCurrent(lastContext);
-        lastContext = null;
-    }
-
-    protected void makeCurrentImpl() throws GLException {
+        getGLStateTracker().setEnabled(false); // external context usage can't track state in Java
     }
 
+    @Override
     protected void releaseImpl() throws GLException {
     }
 
+    @Override
     protected void destroyImpl() throws GLException {
     }
-
-    public void bindPbufferToTexture() {
-        throw new GLException("Should not call this");
-    }
-
-    public void releasePbufferFromTexture() {
-        throw new GLException("Should not call this");
-    }
-
 }
diff --git a/src/jogl/classes/jogamp/opengl/egl/EGLGLCapabilities.java b/src/jogl/classes/jogamp/opengl/egl/EGLGLCapabilities.java
index f813edf86..e28b53235 100644
--- a/src/jogl/classes/jogamp/opengl/egl/EGLGLCapabilities.java
+++ b/src/jogl/classes/jogamp/opengl/egl/EGLGLCapabilities.java
@@ -33,39 +33,43 @@ import javax.media.opengl.GLCapabilities;
 import javax.media.opengl.GLException;
 import javax.media.opengl.GLProfile;
 
+import com.jogamp.nativewindow.egl.EGLGraphicsDevice;
+
 
 public class EGLGLCapabilities extends GLCapabilities {
   private long eglcfg;
   final private int  eglcfgid;
-  final private int  renderableType;  
+  final private int  renderableType;
   final private int  nativeVisualID;
-  
+
   /**
-   * 
+   *
    * @param eglcfg
    * @param eglcfgid
    * @param visualID native visualID if valid, otherwise VisualIDHolder.VID_UNDEFINED
-   * @param glp desired GLProfile, or null if determined by renderableType
+   * @param glp desired GLProfile
    * @param renderableType actual EGL renderableType
-   * 
+   *
    * May throw GLException if given GLProfile is not compatible w/ renderableType
    */
   public EGLGLCapabilities(long eglcfg, int eglcfgid, int visualID, GLProfile glp, int renderableType) {
-      super( ( null != glp ) ? glp : getCompatible(renderableType) );
+      super( glp );
       this.eglcfg = eglcfg;
       this.eglcfgid = eglcfgid;
       if(!isCompatible(glp, renderableType)) {
-          throw new GLException("Incompatible "+glp+
-                                " with EGL-RenderableType["+renderableTypeToString(null, renderableType)+"]");
+          throw new GLException("Requested GLProfile "+glp+
+                                " not compatible with EGL-RenderableType["+renderableTypeToString(null, renderableType)+"]");
       }
       this.renderableType = renderableType;
       this.nativeVisualID = visualID;
   }
 
+  @Override
   public Object cloneMutable() {
     return clone();
   }
 
+  @Override
   public Object clone() {
     try {
       return super.clone();
@@ -73,13 +77,13 @@ public class EGLGLCapabilities extends GLCapabilities {
       throw new GLException(e);
     }
   }
-  
+
   final protected void setEGLConfig(long v) { eglcfg=v; }
   final public long getEGLConfig() { return eglcfg; }
   final public int getEGLConfigID() { return eglcfgid; }
   final public int getRenderableType() { return renderableType; }
   final public int getNativeVisualID() { return nativeVisualID; }
-  
+
   @Override
   final public int getVisualID(VIDType type) throws NativeWindowException {
       switch(type) {
@@ -90,43 +94,50 @@ public class EGLGLCapabilities extends GLCapabilities {
               return getNativeVisualID();
           default:
               throw new NativeWindowException("Invalid type <"+type+">");
-      }      
+      }
   }
-  
+
   public static boolean isCompatible(GLProfile glp, int renderableType) {
     if(null == glp) {
         return true;
     }
-    if(0 != (renderableType & EGL.EGL_OPENGL_ES_BIT) && glp.usesNativeGLES1()) {
+    if(0 != (renderableType & EGLExt.EGL_OPENGL_ES3_BIT_KHR) && glp.usesNativeGLES3()) {
         return true;
     }
     if(0 != (renderableType & EGL.EGL_OPENGL_ES2_BIT) && glp.usesNativeGLES2()) {
         return true;
     }
+    if(0 != (renderableType & EGL.EGL_OPENGL_ES_BIT) && glp.usesNativeGLES1()) {
+        return true;
+    }
     if(0 != (renderableType & EGL.EGL_OPENGL_BIT) && !glp.usesNativeGLES()) {
         return true;
     }
     return false;
   }
 
-  public static GLProfile getCompatible(int renderableType) {
-    if(0 != (renderableType & EGL.EGL_OPENGL_ES2_BIT) && GLProfile.isAvailable(GLProfile.GLES2)) {
-        return GLProfile.get(GLProfile.GLES2);
+  public static GLProfile getCompatible(EGLGraphicsDevice device, int renderableType) {
+    if(0 != (renderableType & EGLExt.EGL_OPENGL_ES3_BIT_KHR) && GLProfile.isAvailable(device, GLProfile.GLES3)) {
+        return GLProfile.get(device, GLProfile.GLES3);
+    }
+    if(0 != (renderableType & EGL.EGL_OPENGL_ES2_BIT) && GLProfile.isAvailable(device, GLProfile.GLES2)) {
+        return GLProfile.get(device, GLProfile.GLES2);
     }
-    if(0 != (renderableType & EGL.EGL_OPENGL_ES_BIT) && GLProfile.isAvailable(GLProfile.GLES1)) {
-        return GLProfile.get(GLProfile.GLES1);
+    if(0 != (renderableType & EGL.EGL_OPENGL_ES_BIT) && GLProfile.isAvailable(device, GLProfile.GLES1)) {
+        return GLProfile.get(device, GLProfile.GLES1);
     }
     if(0 != (renderableType & EGL.EGL_OPENGL_BIT)) {
-        return GLProfile.getDefault();
+        return GLProfile.getDefault(device);
     }
     return null;
   }
-  
+
   public static StringBuilder renderableTypeToString(StringBuilder sink, int renderableType) {
     if(null == sink) {
         sink = new StringBuilder();
     }
     boolean first=true;
+    sink.append("0x").append(Integer.toHexString(renderableType)).append(": ");
     if(0 != (renderableType & EGL.EGL_OPENGL_BIT)) {
         sink.append("GL"); first=false;
     }
@@ -136,12 +147,16 @@ public class EGLGLCapabilities extends GLCapabilities {
     if(0 != (renderableType & EGL.EGL_OPENGL_ES2_BIT)) {
         if(!first) sink.append(", "); sink.append("GLES2");  first=false;
     }
+    if(0 != (renderableType & EGLExt.EGL_OPENGL_ES3_BIT_KHR)) {
+        if(!first) sink.append(", "); sink.append("GLES3");  first=false;
+    }
     if(0 != (renderableType & EGL.EGL_OPENVG_API)) {
         if(!first) sink.append(", "); sink.append("VG");  first=false;
     }
-    return sink;      
+    return sink;
   }
-  
+
+  @Override
   public StringBuilder toString(StringBuilder sink) {
     if(null == sink) {
         sink = new StringBuilder();
diff --git a/src/jogl/classes/jogamp/opengl/egl/EGLGraphicsConfiguration.java b/src/jogl/classes/jogamp/opengl/egl/EGLGraphicsConfiguration.java
index 875bcb95b..88ed0be92 100644
--- a/src/jogl/classes/jogamp/opengl/egl/EGLGraphicsConfiguration.java
+++ b/src/jogl/classes/jogamp/opengl/egl/EGLGraphicsConfiguration.java
@@ -1,22 +1,22 @@
 /*
  * Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved.
  * Copyright (c) 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:
- * 
+ *
  * - Redistribution of source code must retain the above copyright
  *   notice, this list of conditions and the following disclaimer.
- * 
+ *
  * - Redistribution in binary form must reproduce the above copyright
  *   notice, this list of conditions and the following disclaimer in the
  *   documentation and/or other materials provided with the distribution.
- * 
+ *
  * Neither the name of Sun Microsystems, Inc. or the names of
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
- * 
+ *
  * This software is provided "AS IS," without a warranty of any kind. ALL
  * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
  * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
@@ -29,7 +29,7 @@
  * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
  * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
  * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
- * 
+ *
  * Sun gratefully acknowledges that this software was originally authored
  * and developed by Kenneth Bradley Russell and Christopher John Kline.
  */
@@ -37,15 +37,16 @@
 package jogamp.opengl.egl;
 
 import java.nio.IntBuffer;
-import java.util.ArrayList;
 
 import javax.media.nativewindow.AbstractGraphicsDevice;
 import javax.media.nativewindow.AbstractGraphicsScreen;
+import javax.media.nativewindow.CapabilitiesImmutable;
 import javax.media.nativewindow.GraphicsConfigurationFactory;
 import javax.media.nativewindow.VisualIDHolder;
 import javax.media.opengl.DefaultGLCapabilitiesChooser;
 import javax.media.opengl.GLCapabilitiesChooser;
 import javax.media.opengl.GLCapabilitiesImmutable;
+import javax.media.opengl.GLDrawableFactory;
 import javax.media.opengl.GLException;
 import javax.media.opengl.GLProfile;
 
@@ -55,9 +56,14 @@ import com.jogamp.common.nio.Buffers;
 import com.jogamp.common.nio.PointerBuffer;
 import com.jogamp.nativewindow.MutableGraphicsConfiguration;
 import com.jogamp.nativewindow.egl.EGLGraphicsDevice;
+import com.jogamp.opengl.GLRendererQuirks;
 
 public class EGLGraphicsConfiguration extends MutableGraphicsConfiguration implements Cloneable {
-    
+
+    private static final String dbgCfgFailIntro = "Info: EGLConfig could not retrieve ";
+    private static final String dbgCfgFailForConfig = " for config ";
+    private static final String dbgCfgFailError = ", error ";
+
     public final long getNativeConfig() {
         return ((EGLGLCapabilities)capabilitiesChosen).getEGLConfig();
     }
@@ -66,13 +72,20 @@ public class EGLGraphicsConfiguration extends MutableGraphicsConfiguration imple
         return ((EGLGLCapabilities)capabilitiesChosen).getEGLConfigID();
     }
 
-    EGLGraphicsConfiguration(AbstractGraphicsScreen absScreen, 
+    EGLGraphicsConfiguration(AbstractGraphicsScreen absScreen,
                              EGLGLCapabilities capsChosen, GLCapabilitiesImmutable capsRequested, GLCapabilitiesChooser chooser) {
         super(absScreen, capsChosen, capsRequested);
         this.chooser = chooser;
     }
 
-    public static EGLGraphicsConfiguration create(GLCapabilitiesImmutable capsRequested, AbstractGraphicsScreen absScreen, int cfgID) {
+    /**
+     * @param capsRequested
+     * @param absScreen
+     * @param eglConfigID {@link EGL#EGL_CONFIG_ID} for which the config is being created for.
+     * @return
+     * @throws GLException if invalid EGL display.
+     */
+    public static EGLGraphicsConfiguration create(GLCapabilitiesImmutable capsRequested, AbstractGraphicsScreen absScreen, int eglConfigID) {
         final AbstractGraphicsDevice absDevice = absScreen.getDevice();
         if(null==absDevice || !(absDevice instanceof EGLGraphicsDevice)) {
             throw new GLException("GraphicsDevice must be a valid EGLGraphicsDevice");
@@ -81,9 +94,11 @@ public class EGLGraphicsConfiguration extends MutableGraphicsConfiguration imple
         if (dpy == EGL.EGL_NO_DISPLAY) {
             throw new GLException("Invalid EGL display: "+absDevice);
         }
-        final long cfg = EGLConfigId2EGLConfig(dpy, cfgID);
+        final long cfg = EGLConfigId2EGLConfig(dpy, eglConfigID);
         if(0 < cfg) {
-            final EGLGLCapabilities caps = EGLConfig2Capabilities(capsRequested.getGLProfile(), dpy, cfg, false, capsRequested.isOnscreen(), capsRequested.isPBuffer(), false);
+            final GLRendererQuirks defaultQuirks = GLRendererQuirks.getStickyDeviceQuirks( GLDrawableFactory.getEGLFactory().getDefaultDevice() );
+            final int winattrmask = GLGraphicsConfigurationUtil.getExclusiveWinAttributeBits(capsRequested);
+            final EGLGLCapabilities caps = EGLConfig2Capabilities(defaultQuirks, (EGLGraphicsDevice)absDevice, capsRequested.getGLProfile(), cfg, winattrmask, false);
             return new EGLGraphicsConfiguration(absScreen, caps, capsRequested, new DefaultGLCapabilitiesChooser());
         }
         return null;
@@ -93,11 +108,12 @@ public class EGLGraphicsConfiguration extends MutableGraphicsConfiguration imple
     public Object clone() {
         return super.clone();
     }
-        
+
     void updateGraphicsConfiguration() {
+        CapabilitiesImmutable capsChosen = getChosenCapabilities();
         EGLGraphicsConfiguration newConfig = (EGLGraphicsConfiguration)
-            GraphicsConfigurationFactory.getFactory(getScreen().getDevice()).chooseGraphicsConfiguration(
-                getChosenCapabilities(), getRequestedCapabilities(), chooser, getScreen());
+            GraphicsConfigurationFactory.getFactory(getScreen().getDevice(), capsChosen).chooseGraphicsConfiguration(
+                capsChosen, getRequestedCapabilities(), chooser, getScreen(), VisualIDHolder.VID_UNDEFINED);
         if(null!=newConfig) {
             // FIXME: setScreen( ... );
             setChosenCapabilities(newConfig.getChosenCapabilities());
@@ -108,260 +124,379 @@ public class EGLGraphicsConfiguration extends MutableGraphicsConfiguration imple
     }
 
     public static long EGLConfigId2EGLConfig(long display, int configID) {
-        int[] attrs = new int[] {
+        final IntBuffer attrs = Buffers.newDirectIntBuffer(new int[] {
                 EGL.EGL_CONFIG_ID, configID,
                 EGL.EGL_NONE
-            };
-        PointerBuffer configs = PointerBuffer.allocateDirect(1);
-        int[] numConfigs = new int[1];
+            });
+        final PointerBuffer configs = PointerBuffer.allocateDirect(1);
+        final IntBuffer numConfigs = Buffers.newDirectIntBuffer(1);
         if (!EGL.eglChooseConfig(display,
-                                 attrs, 0,
+                                 attrs,
                                  configs, 1,
-                                 numConfigs, 0)) {
+                                 numConfigs)) {
             return 0;
         }
-        if (numConfigs[0] == 0) {
+        if (numConfigs.get(0) == 0) {
             return 0;
         }
         return configs.get(0);
     }
 
-    static int EGLConfigDrawableTypeBits(final long display, final long config) {
+    public static boolean isEGLConfigValid(long display, long config) {
+        if(0 == config) {
+            return false;
+        }
+        final IntBuffer val = Buffers.newDirectIntBuffer(1);
+
+        // get the configID
+        if(!EGL.eglGetConfigAttrib(display, config, EGL.EGL_CONFIG_ID, val)) {
+            final int eglErr = EGL.eglGetError();
+            if(DEBUG) {
+                System.err.println(dbgCfgFailIntro+"EGL_CONFIG_ID"+dbgCfgFailForConfig+toHexString(config)+dbgCfgFailError+toHexString(eglErr));
+            }
+            return false;
+        }
+        return true;
+    }
+
+    static int EGLConfigDrawableTypeBits(final EGLGraphicsDevice device, final long config) {
         int val = 0;
 
-        int[] stype = new int[1];
-        if(! EGL.eglGetConfigAttrib(display, config, EGL.EGL_SURFACE_TYPE, stype, 0)) {
+        final IntBuffer stype = Buffers.newDirectIntBuffer(1);
+        if(! EGL.eglGetConfigAttrib(device.getHandle(), config, EGL.EGL_SURFACE_TYPE, stype)) {
             throw new GLException("Could not determine EGL_SURFACE_TYPE");
         }
 
-        if ( 0 != ( stype[0] & EGL.EGL_WINDOW_BIT ) ) {
+        final int _stype = stype.get(0);
+        if ( 0 != ( _stype & EGL.EGL_WINDOW_BIT ) ) {
             val |= GLGraphicsConfigurationUtil.WINDOW_BIT;
         }
-        if ( 0 != ( stype[0] & EGL.EGL_PIXMAP_BIT ) ) {
+        if ( 0 != ( _stype & EGL.EGL_PIXMAP_BIT ) ) {
             val |= GLGraphicsConfigurationUtil.BITMAP_BIT;
         }
-        if ( 0 != ( stype[0] & EGL.EGL_PBUFFER_BIT ) ) {
-            val |= GLGraphicsConfigurationUtil.PBUFFER_BIT;
+        if ( 0 != ( _stype & EGL.EGL_PBUFFER_BIT ) ) {
+            val |= GLGraphicsConfigurationUtil.PBUFFER_BIT |
+                   GLGraphicsConfigurationUtil.FBO_BIT;
         }
-
         return val;
     }
 
-    public static EGLGLCapabilities EGLConfig2Capabilities(GLProfile glp, long display, long config,
-                                                           boolean relaxed, boolean onscreen, boolean usePBuffer, boolean forceTransparentFlag) {
-        ArrayList bucket = new ArrayList();
-        final int winattrmask = GLGraphicsConfigurationUtil.getWinAttributeBits(onscreen, usePBuffer);
-        if( EGLConfig2Capabilities(bucket, glp, display, config, winattrmask, forceTransparentFlag) ) {
-            return (EGLGLCapabilities) bucket.get(0);
-        } else if ( relaxed && EGLConfig2Capabilities(bucket, glp, display, config, GLGraphicsConfigurationUtil.ALL_BITS, forceTransparentFlag) ) {
-            return (EGLGLCapabilities) bucket.get(0);
-        }
-        return null;
-    }
-
-    public static boolean EGLConfig2Capabilities(ArrayList capsBucket,
-                                                 GLProfile glp, long display, long config,
-                                                 int winattrmask, boolean forceTransparentFlag) {
-        final int allDrawableTypeBits = EGLConfigDrawableTypeBits(display, config);
-        final int drawableTypeBits = winattrmask & allDrawableTypeBits;
-
-        if( 0 == drawableTypeBits ) {
-            return false;
-        }
-
-        final IntBuffer val = Buffers.newDirectIntBuffer(1);
+    /**
+     * @param defaultQuirks GLRendererQuirks of the EGLDrawableFactory's defaultDevice
+     * @param device
+     * @param glp desired GLProfile, may be null
+     * @param config
+     * @param winattrmask
+     * @param forceTransparentFlag
+     * @return
+     */
+    public static EGLGLCapabilities EGLConfig2Capabilities(GLRendererQuirks defaultQuirks, EGLGraphicsDevice device, GLProfile glp,
+                                                           long config, int winattrmask, boolean forceTransparentFlag) {
+        final long display = device.getHandle();
         final int cfgID;
         final int rType;
         final int visualID;
-        
+
+        final int _attributes[] = {
+            EGL.EGL_CONFIG_ID,                 // 0
+            EGL.EGL_RENDERABLE_TYPE,
+            EGL.EGL_NATIVE_VISUAL_ID,
+            EGL.EGL_CONFIG_CAVEAT,
+            EGL.EGL_RED_SIZE,                  // 4
+            EGL.EGL_GREEN_SIZE,
+            EGL.EGL_BLUE_SIZE,
+            EGL.EGL_ALPHA_SIZE,                // 7
+            EGL.EGL_STENCIL_SIZE,              // 8
+            EGL.EGL_DEPTH_SIZE,
+            EGL.EGL_TRANSPARENT_TYPE,          // 10
+            EGL.EGL_TRANSPARENT_RED_VALUE,
+            EGL.EGL_TRANSPARENT_GREEN_VALUE,
+            EGL.EGL_TRANSPARENT_BLUE_VALUE,
+            EGL.EGL_SAMPLES,                   // 14
+            EGLExt.EGL_COVERAGE_BUFFERS_NV,    // 15
+            EGLExt.EGL_COVERAGE_SAMPLES_NV
+        };
+        final IntBuffer attributes = Buffers.newDirectIntBuffer(_attributes);
+        final IntBuffer values = Buffers.newDirectIntBuffer(attributes.remaining());
+        EGL.eglGetConfigAttributes(display, config, attributes, values);
+
         // get the configID
-        if(!EGL.eglGetConfigAttrib(display, config, EGL.EGL_CONFIG_ID, val)) {
+        if( EGL.EGL_CONFIG_ID != attributes.get(0) ) {
             if(DEBUG) {
                 // FIXME: this happens on a ATI PC Emulation ..
-                System.err.println("EGL couldn't retrieve ConfigID for config "+toHexString(config)+", error "+toHexString(EGL.eglGetError()));
+                System.err.println(dbgCfgFailIntro+"ConfigID"+dbgCfgFailForConfig+toHexString(config)+dbgCfgFailError+toHexString(EGL.eglGetError()));
             }
-            return false;
+            return null;
         }
-        cfgID = val.get(0);
-        
-        if(!EGL.eglGetConfigAttrib(display, config, EGL.EGL_RENDERABLE_TYPE, val)) {
+        cfgID = values.get(0);
+
+        if( EGL.EGL_RENDERABLE_TYPE != attributes.get(1) ) {
             if(DEBUG) {
-                System.err.println("EGL couldn't retrieve EGL_RENDERABLE_TYPE for config "+toHexString(config)+", error "+toHexString(EGL.eglGetError()));
+                System.err.println(dbgCfgFailIntro+"EGL_RENDERABLE_TYPE"+dbgCfgFailForConfig+toHexString(config)+dbgCfgFailError+toHexString(EGL.eglGetError()));
             }
-            return false;
+            return null;
         }
-        rType = val.get(0);
-                       
-        if(EGL.eglGetConfigAttrib(display, config, EGL.EGL_NATIVE_VISUAL_ID, val)) {
-            visualID = val.get(0);
+        {
+            final int rTypeOrig = values.get(1);
+            if( defaultQuirks.exist(GLRendererQuirks.GLES3ViaEGLES2Config) && 0 != ( EGL.EGL_OPENGL_ES2_BIT & rTypeOrig ) ) {
+                rType = rTypeOrig | EGLExt.EGL_OPENGL_ES3_BIT_KHR;
+            } else {
+                rType = rTypeOrig;
+            }
+        }
+
+        if( EGL.EGL_NATIVE_VISUAL_ID == attributes.get(2) ) {
+            visualID = values.get(2);
         } else {
+            if(DEBUG) {
+                System.err.println(dbgCfgFailIntro+"EGL_NATIVE_VISUAL_ID"+dbgCfgFailForConfig+toHexString(config)+dbgCfgFailError+toHexString(EGL.eglGetError()));
+            }
             visualID = VisualIDHolder.VID_UNDEFINED;
         }
-        
-        EGLGLCapabilities caps = null;        
+
+        EGLGLCapabilities caps = null;
         try {
+            if(null == glp) {
+                glp = EGLGLCapabilities.getCompatible(device, rType);
+            }
+            if(!EGLGLCapabilities.isCompatible(glp, rType)) {
+                if(DEBUG) {
+                    System.err.println("config "+toHexString(config)+": Requested GLProfile "+glp+
+                                " with quirks "+defaultQuirks+" not compatible with EGL-RenderableType["+EGLGLCapabilities.renderableTypeToString(null, rType)+"]");
+                }
+                return null;
+            }
             caps = new EGLGLCapabilities(config, cfgID, visualID, glp, rType);
         } catch (GLException gle) {
             if(DEBUG) {
                 System.err.println("config "+toHexString(config)+": "+gle);
             }
-            return false;
-        }        
-                
-        if(EGL.eglGetConfigAttrib(display, config, EGL.EGL_RED_SIZE, val)) {
-            caps.setRedBits(val.get(0));
+            return null;
         }
-        if(EGL.eglGetConfigAttrib(display, config, EGL.EGL_GREEN_SIZE, val)) {
-            caps.setGreenBits(val.get(0));
+
+        if( EGL.EGL_CONFIG_CAVEAT == attributes.get(3) ) {
+            if( EGL.EGL_SLOW_CONFIG == values.get(3) ) {
+                caps.setHardwareAccelerated(false);
+            }
+        } else if(DEBUG) {
+            System.err.println(dbgCfgFailIntro+"EGL_CONFIG_CAVEAT"+dbgCfgFailForConfig+toHexString(config)+dbgCfgFailError+toHexString(EGL.eglGetError()));
         }
-        if(EGL.eglGetConfigAttrib(display, config, EGL.EGL_BLUE_SIZE, val)) {
-            caps.setBlueBits(val.get(0));
+        // ALPHA shall be set at last - due to it's auto setting by the above (!opaque / samples)
+        if( EGL.EGL_RED_SIZE == attributes.get(4) ) {
+            caps.setRedBits(values.get(4));
+        } else if(DEBUG) {
+            System.err.println(dbgCfgFailIntro+"EGL_RED_SIZE"+dbgCfgFailForConfig+toHexString(config)+dbgCfgFailError+toHexString(EGL.eglGetError()));
         }
-        if(EGL.eglGetConfigAttrib(display, config, EGL.EGL_ALPHA_SIZE, val)) {
-            caps.setAlphaBits(val.get(0));
+        if( EGL.EGL_GREEN_SIZE == attributes.get(5) ) {
+            caps.setGreenBits(values.get(5));
+        } else if(DEBUG) {
+            System.err.println(dbgCfgFailIntro+"EGL_GREEN_SIZE"+dbgCfgFailForConfig+toHexString(config)+dbgCfgFailError+toHexString(EGL.eglGetError()));
         }
-        if(EGL.eglGetConfigAttrib(display, config, EGL.EGL_STENCIL_SIZE, val)) {
-            caps.setStencilBits(val.get(0));
+        if( EGL.EGL_BLUE_SIZE == attributes.get(6) ) {
+            caps.setBlueBits(values.get(6));
+        } else if(DEBUG) {
+            System.err.println(dbgCfgFailIntro+"EGL_BLUE_SIZE"+dbgCfgFailForConfig+toHexString(config)+dbgCfgFailError+toHexString(EGL.eglGetError()));
         }
-        if(EGL.eglGetConfigAttrib(display, config, EGL.EGL_DEPTH_SIZE, val)) {
-            caps.setDepthBits(val.get(0));
+        if( EGL.EGL_ALPHA_SIZE == attributes.get(7) ) {
+            caps.setAlphaBits(values.get(7));
+        } else if(DEBUG) {
+            System.err.println(dbgCfgFailIntro+"EGL_ALPHA_SIZE"+dbgCfgFailForConfig+toHexString(config)+dbgCfgFailError+toHexString(EGL.eglGetError()));
         }
-        if(EGL.eglGetConfigAttrib(display, config, EGL.EGL_SAMPLES, val)) {
-            caps.setSampleBuffers(val.get(0)>0?true:false);
-            caps.setNumSamples(val.get(0));
+        if( EGL.EGL_STENCIL_SIZE == attributes.get(8) ) {
+            caps.setStencilBits(values.get(8));
+        } else if(DEBUG) {
+            System.err.println(dbgCfgFailIntro+"EGL_STENCIL_SIZE"+dbgCfgFailForConfig+toHexString(config)+dbgCfgFailError+toHexString(EGL.eglGetError()));
         }
-        if(!caps.getSampleBuffers()) {
-            // try NV_coverage_sample extension 
-            if(EGL.eglGetConfigAttrib(display, config, EGLExt.EGL_COVERAGE_BUFFERS_NV, val)) {
-                if(val.get(0)>0 &&
-                   EGL.eglGetConfigAttrib(display, config, EGLExt.EGL_COVERAGE_SAMPLES_NV, val)) {
-                    caps.setSampleExtension(GLGraphicsConfigurationUtil.NV_coverage_sample); 
-                    caps.setSampleBuffers(true);
-                    caps.setNumSamples(val.get(0));
-                }
-            }
+        if( EGL.EGL_DEPTH_SIZE == attributes.get(9) ) {
+            caps.setDepthBits(values.get(9));
+        } else if(DEBUG) {
+            System.err.println(dbgCfgFailIntro+"EGL_DEPTH_SIZE"+dbgCfgFailForConfig+toHexString(config)+dbgCfgFailError+toHexString(EGL.eglGetError()));
         }
-        if(forceTransparentFlag) {
+        if( forceTransparentFlag ) {
             caps.setBackgroundOpaque(false);
-        } else if(EGL.eglGetConfigAttrib(display, config, EGL.EGL_TRANSPARENT_TYPE, val)) {
-            caps.setBackgroundOpaque(val.get(0) != EGL.EGL_TRANSPARENT_RGB);
+        } else if( EGL.EGL_TRANSPARENT_TYPE == attributes.get(10) ) {
+            caps.setBackgroundOpaque(values.get(10) != EGL.EGL_TRANSPARENT_RGB);
+        } else if(DEBUG) {
+            System.err.println(dbgCfgFailIntro+"EGL_TRANSPARENT_TYPE"+dbgCfgFailForConfig+toHexString(config)+dbgCfgFailError+toHexString(EGL.eglGetError()));
         }
         if(!caps.isBackgroundOpaque()) {
-            if(EGL.eglGetConfigAttrib(display, config, EGL.EGL_TRANSPARENT_RED_VALUE, val)) {
-                caps.setTransparentRedValue(val.get(0)==EGL.EGL_DONT_CARE?-1:val.get(0));
+            if( EGL.EGL_TRANSPARENT_RED_VALUE == attributes.get(11) ) {
+                final int v = values.get(11);
+                caps.setTransparentRedValue(EGL.EGL_DONT_CARE==v?-1:v);
+            } else if(DEBUG) {
+                System.err.println(dbgCfgFailIntro+"EGL_TRANSPARENT_RED_VALUE"+dbgCfgFailForConfig+toHexString(config)+dbgCfgFailError+toHexString(EGL.eglGetError()));
             }
-            if(EGL.eglGetConfigAttrib(display, config, EGL.EGL_TRANSPARENT_GREEN_VALUE, val)) {
-                caps.setTransparentGreenValue(val.get(0)==EGL.EGL_DONT_CARE?-1:val.get(0));
+            if( EGL.EGL_TRANSPARENT_GREEN_VALUE == attributes.get(12) ) {
+                final int v = values.get(12);
+                caps.setTransparentGreenValue(EGL.EGL_DONT_CARE==v?-1:v);
+            } else if(DEBUG) {
+                System.err.println(dbgCfgFailIntro+"EGL_TRANSPARENT_GREEN_VALUE"+dbgCfgFailForConfig+toHexString(config)+dbgCfgFailError+toHexString(EGL.eglGetError()));
             }
-            if(EGL.eglGetConfigAttrib(display, config, EGL.EGL_TRANSPARENT_BLUE_VALUE, val)) {
-                caps.setTransparentBlueValue(val.get(0)==EGL.EGL_DONT_CARE?-1:val.get(0));
+            if( EGL.EGL_TRANSPARENT_BLUE_VALUE == attributes.get(13) ) {
+                final int v = values.get(13);
+                caps.setTransparentBlueValue(EGL.EGL_DONT_CARE==v?-1:v);
+            } else if(DEBUG) {
+                System.err.println(dbgCfgFailIntro+"EGL_TRANSPARENT_BLUE_VALUE"+dbgCfgFailForConfig+toHexString(config)+dbgCfgFailError+toHexString(EGL.eglGetError()));
             }
-            /** Not defined in EGL 
-            if(EGL.eglGetConfigAttrib(display, config, EGL.EGL_TRANSPARENT_ALPHA_VALUE, val)) {
-                caps.setTransparentAlphaValue(val.get(0)==EGL.EGL_DONT_CARE?-1:val.get(0));
+            /** Not defined in EGL
+            if( EGL.EGL_TRANSPARENT_ALPHA_VALUE == attributes.get(??) ) {
+                final int v = values.get(??);
+                caps.setTransparentAlphaValue(EGL.EGL_DONT_CARE==v?-1:v);
+            } else if(DEBUG) {
+                System.err.println(dbgStr01+"EGL_TRANSPARENT_ALPHA_VALUE"+dbgStr02+toHexString(config)+dbgEGLCfgFailError+toHexString(EGL.eglGetError()));
             } */
         }
-        return GLGraphicsConfigurationUtil.addGLCapabilitiesPermutations(capsBucket, caps, drawableTypeBits );
+        if( EGL.EGL_SAMPLES == attributes.get(14) ) {
+            final int numSamples = values.get(14);
+            caps.setSampleBuffers(numSamples>0?true:false);
+            caps.setNumSamples(numSamples);
+        } else if(DEBUG) {
+            System.err.println(dbgCfgFailIntro+"EGL_SAMPLES"+dbgCfgFailForConfig+toHexString(config)+dbgCfgFailError+toHexString(EGL.eglGetError()));
+        }
+        if(!caps.getSampleBuffers()) {
+            // try NV_coverage_sample extension
+            if( EGLExt.EGL_COVERAGE_BUFFERS_NV == attributes.get(15) ) {
+                final boolean enabled = values.get(15) > 0;
+                if( enabled && EGLExt.EGL_COVERAGE_SAMPLES_NV == attributes.get(16) ) {
+                    caps.setSampleExtension(GLGraphicsConfigurationUtil.NV_coverage_sample);
+                    caps.setSampleBuffers(true);
+                    caps.setNumSamples(values.get(16));
+                } else if(DEBUG) {
+                    System.err.println(dbgCfgFailIntro+"EGL_COVERAGE_SAMPLES_NV"+dbgCfgFailForConfig+toHexString(config)+dbgCfgFailError+toHexString(EGL.eglGetError()));
+                }
+            } /** else if(DEBUG) { // Not required - vendor extension - don't be verbose!
+                System.err.println(dbgCfgFailIntro+"EGL_COVERAGE_BUFFERS_NV"+dbgCfgFailForConfig+toHexString(config)+dbgCfgFailError+toHexString(EGL.eglGetError()));
+            } */
+        }
+
+        // Since the passed GLProfile may be null,
+        // we use EGL_RENDERABLE_TYPE derived profile as created in the EGLGLCapabilities constructor.
+        final int availableTypeBits = EGLConfigDrawableTypeBits(device, config);
+        final int drawableTypeBits = winattrmask & availableTypeBits;
+
+        if( 0 == drawableTypeBits ) {
+            return null;
+        }
+
+        return (EGLGLCapabilities) GLGraphicsConfigurationUtil.fixWinAttribBitsAndHwAccel(device, drawableTypeBits, caps);
     }
 
-    public static int[] GLCapabilities2AttribList(GLCapabilitiesImmutable caps) {
-        int[] attrs = new int[32];
+    public static IntBuffer GLCapabilities2AttribList(GLCapabilitiesImmutable caps) {
+        final IntBuffer attrs = Buffers.newDirectIntBuffer(32);
         int idx=0;
 
-        attrs[idx++] = EGL.EGL_SURFACE_TYPE;
-        attrs[idx++] = caps.isOnscreen() ? ( EGL.EGL_WINDOW_BIT ) : ( caps.isPBuffer() ? EGL.EGL_PBUFFER_BIT : EGL.EGL_PIXMAP_BIT ) ;
+        attrs.put(idx++, EGL.EGL_SURFACE_TYPE);
+        final int surfaceType;
+        if( caps.isOnscreen() ) {
+            surfaceType = EGL.EGL_WINDOW_BIT;
+        } else if( caps.isFBO() ) {
+            surfaceType = EGL.EGL_PBUFFER_BIT;  // native replacement!
+        } else if( caps.isPBuffer() ) {
+            surfaceType = EGL.EGL_PBUFFER_BIT;
+        } else if( caps.isBitmap() ) {
+            surfaceType = EGL.EGL_PIXMAP_BIT;
+        } else {
+            throw new GLException("no surface type set in caps: "+caps);
+        }
+        attrs.put(idx++, surfaceType);
 
-        attrs[idx++] = EGL.EGL_RED_SIZE;
-        attrs[idx++] = caps.getRedBits();
+        attrs.put(idx++, EGL.EGL_RED_SIZE);
+        attrs.put(idx++, caps.getRedBits());
 
-        attrs[idx++] = EGL.EGL_GREEN_SIZE;
-        attrs[idx++] = caps.getGreenBits();
+        attrs.put(idx++, EGL.EGL_GREEN_SIZE);
+        attrs.put(idx++, caps.getGreenBits());
 
-        attrs[idx++] = EGL.EGL_BLUE_SIZE;
-        attrs[idx++] = caps.getBlueBits();
+        attrs.put(idx++, EGL.EGL_BLUE_SIZE);
+        attrs.put(idx++, caps.getBlueBits());
 
         if(caps.getAlphaBits()>0) {
-            attrs[idx++] = EGL.EGL_ALPHA_SIZE;
-            attrs[idx++] = caps.getAlphaBits();
+            attrs.put(idx++, EGL.EGL_ALPHA_SIZE);
+            attrs.put(idx++, caps.getAlphaBits());
         }
-        
+
         if(caps.getStencilBits()>0) {
-            attrs[idx++] = EGL.EGL_STENCIL_SIZE;
-            attrs[idx++] = caps.getStencilBits();
+            attrs.put(idx++, EGL.EGL_STENCIL_SIZE);
+            attrs.put(idx++, caps.getStencilBits());
         }
 
-        attrs[idx++] = EGL.EGL_DEPTH_SIZE;
-        attrs[idx++] = caps.getDepthBits();
+        attrs.put(idx++, EGL.EGL_DEPTH_SIZE);
+        attrs.put(idx++, caps.getDepthBits());
 
         if(caps.getSampleBuffers()) {
             if(caps.getSampleExtension().equals(GLGraphicsConfigurationUtil.NV_coverage_sample)) {
-                attrs[idx++] = EGLExt.EGL_COVERAGE_BUFFERS_NV;
-                attrs[idx++] = 1;
-                attrs[idx++] = EGLExt.EGL_COVERAGE_SAMPLES_NV;
-                attrs[idx++] = caps.getNumSamples();
+                attrs.put(idx++, EGLExt.EGL_COVERAGE_BUFFERS_NV);
+                attrs.put(idx++, 1);
+                attrs.put(idx++, EGLExt.EGL_COVERAGE_SAMPLES_NV);
+                attrs.put(idx++, caps.getNumSamples());
             } else {
                 // try default ..
-                attrs[idx++] = EGL.EGL_SAMPLE_BUFFERS;
-                attrs[idx++] = 1;
-                attrs[idx++] = EGL.EGL_SAMPLES;
-                attrs[idx++] = caps.getNumSamples();
+                attrs.put(idx++, EGL.EGL_SAMPLE_BUFFERS);
+                attrs.put(idx++, 1);
+                attrs.put(idx++, EGL.EGL_SAMPLES);
+                attrs.put(idx++, caps.getNumSamples());
             }
         }
 
-        attrs[idx++] = EGL.EGL_TRANSPARENT_TYPE;
-        attrs[idx++] = caps.isBackgroundOpaque() ? EGL.EGL_NONE : EGL.EGL_TRANSPARENT_TYPE;
+        attrs.put(idx++, EGL.EGL_TRANSPARENT_TYPE);
+        attrs.put(idx++, caps.isBackgroundOpaque() ? EGL.EGL_NONE : EGL.EGL_TRANSPARENT_TYPE);
 
         // 22
 
         if(!caps.isBackgroundOpaque()) {
-            attrs[idx++] = EGL.EGL_TRANSPARENT_RED_VALUE;
-            attrs[idx++] = caps.getTransparentRedValue()>=0?caps.getTransparentRedValue():EGL.EGL_DONT_CARE;
+            attrs.put(idx++, EGL.EGL_TRANSPARENT_RED_VALUE);
+            attrs.put(idx++, caps.getTransparentRedValue()>=0?caps.getTransparentRedValue():EGL.EGL_DONT_CARE);
 
-            attrs[idx++] = EGL.EGL_TRANSPARENT_GREEN_VALUE;
-            attrs[idx++] = caps.getTransparentGreenValue()>=0?caps.getTransparentGreenValue():EGL.EGL_DONT_CARE;
+            attrs.put(idx++, EGL.EGL_TRANSPARENT_GREEN_VALUE);
+            attrs.put(idx++, caps.getTransparentGreenValue()>=0?caps.getTransparentGreenValue():EGL.EGL_DONT_CARE);
 
-            attrs[idx++] = EGL.EGL_TRANSPARENT_BLUE_VALUE;
-            attrs[idx++] = caps.getTransparentBlueValue()>=0?caps.getTransparentBlueValue():EGL.EGL_DONT_CARE;
+            attrs.put(idx++, EGL.EGL_TRANSPARENT_BLUE_VALUE);
+            attrs.put(idx++, caps.getTransparentBlueValue()>=0?caps.getTransparentBlueValue():EGL.EGL_DONT_CARE);
 
             /** Not define in EGL
-            attrs[idx++] = EGL.EGL_TRANSPARENT_ALPHA_VALUE;
-            attrs[idx++] = caps.getTransparentAlphaValue()>=0?caps.getTransparentAlphaValue():EGL.EGL_DONT_CARE; */
+            attrs.put(idx++, EGL.EGL_TRANSPARENT_ALPHA_VALUE;
+            attrs.put(idx++, caps.getTransparentAlphaValue()>=0?caps.getTransparentAlphaValue():EGL.EGL_DONT_CARE; */
         }
 
-        // 28 
-        attrs[idx++] = EGL.EGL_RENDERABLE_TYPE;
+        // 28
+        attrs.put(idx++, EGL.EGL_RENDERABLE_TYPE);
         if(caps.getGLProfile().usesNativeGLES1()) {
-            attrs[idx++] = EGL.EGL_OPENGL_ES_BIT;
+            attrs.put(idx++, EGL.EGL_OPENGL_ES_BIT);
         } else if(caps.getGLProfile().usesNativeGLES2()) {
-            attrs[idx++] = EGL.EGL_OPENGL_ES2_BIT;
+            attrs.put(idx++, EGL.EGL_OPENGL_ES2_BIT);
+        } else if(caps.getGLProfile().usesNativeGLES3()) {
+            if( GLRendererQuirks.existStickyDeviceQuirk(GLDrawableFactory.getEGLFactory().getDefaultDevice(), GLRendererQuirks.GLES3ViaEGLES2Config) ) {
+                attrs.put(idx++, EGL.EGL_OPENGL_ES2_BIT);
+            } else {
+                attrs.put(idx++, EGLExt.EGL_OPENGL_ES3_BIT_KHR);
+            }
         } else {
-            attrs[idx++] = EGL.EGL_OPENGL_BIT;
+            attrs.put(idx++, EGL.EGL_OPENGL_BIT);
         }
 
         // 30
 
-        attrs[idx++] = EGL.EGL_NONE;
+        attrs.put(idx++, EGL.EGL_NONE);
 
         return attrs;
     }
 
-    public static int[] CreatePBufferSurfaceAttribList(int width, int height, int texFormat) {
-        int[] attrs = new int[16];
+    public static IntBuffer CreatePBufferSurfaceAttribList(int width, int height, int texFormat) {
+        IntBuffer attrs = Buffers.newDirectIntBuffer(16);
         int idx=0;
 
-        attrs[idx++] = EGL.EGL_WIDTH;
-        attrs[idx++] = width;
+        attrs.put(idx++, EGL.EGL_WIDTH);
+        attrs.put(idx++, width);
 
-        attrs[idx++] = EGL.EGL_HEIGHT;
-        attrs[idx++] = height;
+        attrs.put(idx++, EGL.EGL_HEIGHT);
+        attrs.put(idx++, height);
 
-        attrs[idx++] = EGL.EGL_TEXTURE_FORMAT;
-        attrs[idx++] = texFormat;
+        attrs.put(idx++, EGL.EGL_TEXTURE_FORMAT);
+        attrs.put(idx++, texFormat);
 
-        attrs[idx++] = EGL.EGL_TEXTURE_TARGET;
-        attrs[idx++] = EGL.EGL_NO_TEXTURE==texFormat ? EGL.EGL_NO_TEXTURE : EGL.EGL_TEXTURE_2D;
+        attrs.put(idx++, EGL.EGL_TEXTURE_TARGET);
+        attrs.put(idx++, EGL.EGL_NO_TEXTURE==texFormat ? EGL.EGL_NO_TEXTURE : EGL.EGL_TEXTURE_2D);
 
-        attrs[idx++] = EGL.EGL_NONE;
+        attrs.put(idx++, EGL.EGL_NONE);
 
         return attrs;
     }
@@ -376,6 +511,6 @@ public class EGLGraphicsConfiguration extends MutableGraphicsConfiguration imple
 
     }
 
-    private GLCapabilitiesChooser chooser;
+    private final GLCapabilitiesChooser chooser;
 }
 
diff --git a/src/jogl/classes/jogamp/opengl/egl/EGLGraphicsConfigurationFactory.java b/src/jogl/classes/jogamp/opengl/egl/EGLGraphicsConfigurationFactory.java
index 904110eb2..5cfa378cb 100644
--- a/src/jogl/classes/jogamp/opengl/egl/EGLGraphicsConfigurationFactory.java
+++ b/src/jogl/classes/jogamp/opengl/egl/EGLGraphicsConfigurationFactory.java
@@ -1,22 +1,22 @@
 /*
  * Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved.
  * Copyright (c) 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:
- * 
+ *
  * - Redistribution of source code must retain the above copyright
  *   notice, this list of conditions and the following disclaimer.
- * 
+ *
  * - Redistribution in binary form must reproduce the above copyright
  *   notice, this list of conditions and the following disclaimer in the
  *   documentation and/or other materials provided with the distribution.
- * 
+ *
  * Neither the name of Sun Microsystems, Inc. or the names of
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
- * 
+ *
  * This software is provided "AS IS," without a warranty of any kind. ALL
  * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
  * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
@@ -38,15 +38,14 @@ import javax.media.nativewindow.AbstractGraphicsDevice;
 import javax.media.nativewindow.AbstractGraphicsScreen;
 import javax.media.nativewindow.CapabilitiesChooser;
 import javax.media.nativewindow.CapabilitiesImmutable;
-import javax.media.nativewindow.DefaultGraphicsScreen;
 import javax.media.nativewindow.GraphicsConfigurationFactory;
 import javax.media.nativewindow.VisualIDHolder;
 import javax.media.nativewindow.VisualIDHolder.VIDType;
 import javax.media.nativewindow.NativeWindowFactory;
-
 import javax.media.opengl.GLCapabilities;
 import javax.media.opengl.GLCapabilitiesChooser;
 import javax.media.opengl.GLCapabilitiesImmutable;
+import javax.media.opengl.GLContext;
 import javax.media.opengl.GLException;
 import javax.media.opengl.GLProfile;
 import javax.media.opengl.GLDrawableFactory;
@@ -54,6 +53,7 @@ import javax.media.opengl.GLDrawableFactory;
 import com.jogamp.common.nio.Buffers;
 import com.jogamp.common.nio.PointerBuffer;
 import com.jogamp.nativewindow.egl.EGLGraphicsDevice;
+import com.jogamp.opengl.GLRendererQuirks;
 
 import jogamp.opengl.GLGraphicsConfigurationFactory;
 import jogamp.opengl.GLGraphicsConfigurationUtil;
@@ -74,43 +74,51 @@ public class EGLGraphicsConfigurationFactory extends GLGraphicsConfigurationFact
     static VisualIDHolder.VIDComparator EglCfgIDComparator = new VisualIDHolder.VIDComparator(VisualIDHolder.VIDType.EGL_CONFIG);
     static GraphicsConfigurationFactory nativeGraphicsConfigurationFactory = null;
     static GraphicsConfigurationFactory kdeglGraphicsConfigurationFactory = null;
-    
+    static GraphicsConfigurationFactory fallbackGraphicsConfigurationFactory = null;
+
     static void registerFactory() {
         GraphicsConfigurationFactory eglFactory = new EGLGraphicsConfigurationFactory();
-        
+
         // become the pre-selector for X11/.. to match the native visual id w/ EGL, if native ES is selected
         final String nwType = NativeWindowFactory.getNativeWindowType(false);
         if(NativeWindowFactory.TYPE_X11 == nwType) {
-            nativeGraphicsConfigurationFactory = GraphicsConfigurationFactory.registerFactory(com.jogamp.nativewindow.x11.X11GraphicsDevice.class, eglFactory);
+            nativeGraphicsConfigurationFactory = GraphicsConfigurationFactory.registerFactory(com.jogamp.nativewindow.x11.X11GraphicsDevice.class, GLCapabilitiesImmutable.class, eglFactory);
+            if(null != nativeGraphicsConfigurationFactory) {
+                fallbackGraphicsConfigurationFactory = nativeGraphicsConfigurationFactory;
+            } else {
+                fallbackGraphicsConfigurationFactory = GraphicsConfigurationFactory.getFactory(com.jogamp.nativewindow.x11.X11GraphicsDevice.class, CapabilitiesImmutable.class);
+            }
         } /* else if(NativeWindowFactory.TYPE_WINDOWS == NativeWindowFactory.getNativeWindowType(false)) {
             nativeGraphicsConfigurationFactory = GraphicsConfigurationFactory.registerFactory(javax.media.nativewindow.windows.WindowsGraphicsDevice.class, eglFactory);
-        } else if(NativeWindowFactory.TYPE_MACOSX == NativeWindowFactory.getNativeWindowType(false)) {            
+        } else if(NativeWindowFactory.TYPE_MACOSX == NativeWindowFactory.getNativeWindowType(false)) {
         } */
-        
+
         // become the selector for KD/EGL ..
-        kdeglGraphicsConfigurationFactory = GraphicsConfigurationFactory.registerFactory(com.jogamp.nativewindow.egl.EGLGraphicsDevice.class, eglFactory);
+        kdeglGraphicsConfigurationFactory = GraphicsConfigurationFactory.registerFactory(com.jogamp.nativewindow.egl.EGLGraphicsDevice.class, GLCapabilitiesImmutable.class, eglFactory);
     }
-    
+
     static void unregisterFactory() {
         final String nwType = NativeWindowFactory.getNativeWindowType(false);
         if(NativeWindowFactory.TYPE_X11 == nwType) {
-            GraphicsConfigurationFactory.registerFactory(com.jogamp.nativewindow.x11.X11GraphicsDevice.class, nativeGraphicsConfigurationFactory);                    
+            GraphicsConfigurationFactory.registerFactory(com.jogamp.nativewindow.x11.X11GraphicsDevice.class, GLCapabilitiesImmutable.class, nativeGraphicsConfigurationFactory);
         } /* else if(NativeWindowFactory.TYPE_WINDOWS == NativeWindowFactory.getNativeWindowType(false)) {
             GraphicsConfigurationFactory.registerFactory(javax.media.nativewindow.windows.WindowsGraphicsDevice.class, nativeGraphicsConfigurationFactory);
-        } else if(NativeWindowFactory.TYPE_MACOSX == NativeWindowFactory.getNativeWindowType(false)) {            
+        } else if(NativeWindowFactory.TYPE_MACOSX == NativeWindowFactory.getNativeWindowType(false)) {
         } */
         nativeGraphicsConfigurationFactory = null;
-        
-        GraphicsConfigurationFactory.registerFactory(com.jogamp.nativewindow.egl.EGLGraphicsDevice.class, kdeglGraphicsConfigurationFactory);
+        fallbackGraphicsConfigurationFactory = null;
+
+        GraphicsConfigurationFactory.registerFactory(com.jogamp.nativewindow.egl.EGLGraphicsDevice.class, GLCapabilitiesImmutable.class, kdeglGraphicsConfigurationFactory);
         kdeglGraphicsConfigurationFactory = null;
     }
-    
+
     private EGLGraphicsConfigurationFactory() {
     }
 
+    @Override
     protected AbstractGraphicsConfiguration chooseGraphicsConfigurationImpl (
             CapabilitiesImmutable capsChosen, CapabilitiesImmutable capsRequested,
-            CapabilitiesChooser chooser, AbstractGraphicsScreen absScreen) {
+            CapabilitiesChooser chooser, AbstractGraphicsScreen absScreen, int nativeVisualID) {
         if (absScreen == null) {
             throw new IllegalArgumentException("This NativeWindowFactory accepts only AbstractGraphicsDevice objects");
         }
@@ -132,21 +140,21 @@ public class EGLGraphicsConfigurationFactory extends GLGraphicsConfigurationFact
         AbstractGraphicsDevice absDevice = absScreen.getDevice();
         if(null==absDevice) {
             throw new GLException("Null AbstractGraphicsDevice");
-        }        
-        
+        }
+
         AbstractGraphicsConfiguration cfg = null;
-        
+
         if( absDevice instanceof EGLGraphicsDevice ) {
             cfg = chooseGraphicsConfigurationStatic((GLCapabilitiesImmutable) capsChosen,
                                                     (GLCapabilitiesImmutable) capsRequested,
                                                     (GLCapabilitiesChooser) chooser,
-                                                    absScreen, VisualIDHolder.VID_UNDEFINED, false);            
+                                                    absScreen, nativeVisualID, false);
         } else {
-            // handle non native cases (X11, ..) 
-            if(null == nativeGraphicsConfigurationFactory) {
-                throw new InternalError("Native GraphicsConfigurationFactory is null, but call issued for device: "+absDevice+" of type "+absDevice.getClass().getSimpleName());
+            // handle non native cases (X11, ..)
+            if(null == fallbackGraphicsConfigurationFactory) {
+                throw new InternalError("Native fallback GraphicsConfigurationFactory is null, but call issued for device: "+absDevice+" of type "+absDevice.getClass().getSimpleName());
             }
-            
+
             if(glCapsChosen.getGLProfile().usesNativeGLES()) {
                 if(DEBUG) {
                     System.err.println("EGLGraphicsConfigurationFactory.choose..: Handle native device "+absDevice.getClass().getSimpleName());
@@ -154,7 +162,7 @@ public class EGLGraphicsConfigurationFactory extends GLGraphicsConfigurationFact
                 cfg = chooseGraphicsConfigurationStatic((GLCapabilitiesImmutable) capsChosen,
                                                         (GLCapabilitiesImmutable) capsRequested,
                                                         (GLCapabilitiesChooser) chooser,
-                                                        absScreen, VisualIDHolder.VID_UNDEFINED, false);
+                                                        absScreen, nativeVisualID, false);
                 if(null == cfg || VisualIDHolder.VID_UNDEFINED == cfg.getVisualID(VIDType.NATIVE)) {
                     cfg = null;
                     if(DEBUG) {
@@ -165,23 +173,25 @@ public class EGLGraphicsConfigurationFactory extends GLGraphicsConfigurationFact
             if(null == cfg) {
                 // fwd to native config factory (only X11 for now)
                 if(DEBUG) {
-                    System.err.println("EGLGraphicsConfigurationFactory.choose..: Delegate to "+nativeGraphicsConfigurationFactory.getClass().getSimpleName());
+                    System.err.println("EGLGraphicsConfigurationFactory.choose..: Delegate to "+fallbackGraphicsConfigurationFactory.getClass().getSimpleName());
                 }
-                cfg = nativeGraphicsConfigurationFactory.chooseGraphicsConfiguration(capsChosen, capsRequested, chooser, absScreen);
-            }            
+                cfg = fallbackGraphicsConfigurationFactory.chooseGraphicsConfiguration(capsChosen, capsRequested, chooser, absScreen, nativeVisualID);
+            }
         }
         return cfg;
     }
 
     protected static List<GLCapabilitiesImmutable> getAvailableCapabilities(EGLDrawableFactory factory, AbstractGraphicsDevice device) {
-        EGLDrawableFactory.SharedResource sharedResource = factory.getOrCreateEGLSharedResource(device);
+        final EGLDrawableFactory.SharedResource sharedResource = factory.getOrCreateSharedResourceImpl(device);
         if(null == sharedResource) {
             throw new GLException("Shared resource for device n/a: "+device);
         }
-        EGLGraphicsDevice eglDevice = sharedResource.getDevice();
-        long eglDisplay = eglDevice.getHandle();
-
-        List/*<EGLGLCapabilities>*/ availableCaps = null;
+        final EGLGraphicsDevice eglDevice = sharedResource.getDevice();
+        final long eglDisplay = eglDevice.getHandle();
+        if(0 == eglDisplay) {
+            throw new GLException("null eglDisplay");
+        }
+        List<GLCapabilitiesImmutable> availableCaps = null;
         IntBuffer numConfigs = Buffers.newDirectIntBuffer(1);
 
         if(!EGL.eglGetConfigs(eglDisplay, null, 0, numConfigs)) {
@@ -197,19 +207,18 @@ public class EGLGraphicsConfigurationFactory extends GLGraphicsConfigurationFact
             throw new GLException("Graphics configuration get all configs (eglGetConfigs) call failed, error "+toHexString(EGL.eglGetError()));
         }
         if (numConfigs.get(0) > 0) {
-            availableCaps = eglConfigs2GLCaps(null, eglDisplay, configs, numConfigs.get(0), GLGraphicsConfigurationUtil.ALL_BITS, false);
+            availableCaps = eglConfigs2GLCaps(eglDevice, null, configs, numConfigs.get(0), GLGraphicsConfigurationUtil.ALL_BITS, false /* forceTransparentFlag */, false /* onlyFirstValid */);
             if( null != availableCaps && availableCaps.size() > 1) {
                 Collections.sort(availableCaps, EglCfgIDComparator);
             }
         }
-
         return availableCaps;
     }
 
     public static EGLGraphicsConfiguration chooseGraphicsConfigurationStatic(GLCapabilitiesImmutable capsChosen,
                                                                              GLCapabilitiesImmutable capsReq,
                                                                              GLCapabilitiesChooser chooser,
-                                                                             AbstractGraphicsScreen absScreen, int nativeVisualID, 
+                                                                             AbstractGraphicsScreen absScreen, int nativeVisualID,
                                                                              boolean forceTransparentFlag) {
         if (capsChosen == null) {
             capsChosen = new GLCapabilities(null);
@@ -222,101 +231,107 @@ public class EGLGraphicsConfigurationFactory extends GLGraphicsConfigurationFact
         if(null==absDevice) {
             throw new GLException("Null AbstractGraphicsDevice");
         }
-        
-        final long eglDisplay;
+
+        final EGLGraphicsDevice eglDevice;
         final boolean ownEGLDisplay;
-        if( !(absDevice instanceof EGLGraphicsDevice) ) {
-            eglDisplay = EGLDisplayUtil.eglGetDisplay(absDevice.getHandle());
-            if (eglDisplay == EGL.EGL_NO_DISPLAY) {
-                throw new GLException("Could not get EGL display from: "+absDevice);
-            }
-            if (!EGLDisplayUtil.eglInitialize(eglDisplay, null, null)) {
-                throw new GLException("eglInitialize failed eglDisplay 0x"+Long.toHexString(eglDisplay)+", "+absDevice+", error 0x"+Integer.toHexString(EGL.eglGetError()));
-            }
-            ownEGLDisplay = true;
-        } else {
-            eglDisplay = absDevice.getHandle();
-            if (eglDisplay == EGL.EGL_NO_DISPLAY) {
-                throw new GLException("Invalid EGL display: "+absDevice);
+        if( absDevice instanceof EGLGraphicsDevice ) {
+            eglDevice = (EGLGraphicsDevice) absDevice;
+            if (eglDevice.getHandle() == EGL.EGL_NO_DISPLAY) {
+                throw new GLException("Invalid EGL display: "+eglDevice);
             }
             ownEGLDisplay = false;
+        } else {
+            eglDevice = EGLDisplayUtil.eglCreateEGLGraphicsDevice(absDevice.getHandle(), absDevice.getConnection(), absDevice.getUnitID());
+            eglDevice.open();
+            ownEGLDisplay = true;
         }
 
-        EGLDrawableFactory factory = (EGLDrawableFactory) GLDrawableFactory.getEGLFactory();
-        capsChosen = GLGraphicsConfigurationUtil.fixGLCapabilities( capsChosen, factory.canCreateGLPbuffer(absDevice) );
-
-        GLProfile glp = capsChosen.getGLProfile();
-        GLCapabilities fixedCaps;
-
-        EGLGraphicsConfiguration res = eglChooseConfig(eglDisplay, capsChosen, capsReq, chooser, absScreen, nativeVisualID, forceTransparentFlag);
+        final GLProfile glp = capsChosen.getGLProfile();
+        capsChosen = GLGraphicsConfigurationUtil.fixGLCapabilities( capsChosen, GLDrawableFactory.getEGLFactory(), absDevice);
+        EGLGraphicsConfiguration res = eglChooseConfig(eglDevice, capsChosen, capsReq, chooser, absScreen, nativeVisualID, forceTransparentFlag);
         if(null==res) {
             if(DEBUG) {
                 System.err.println("eglChooseConfig failed with given capabilities "+capsChosen);
             }
-    
+
             // Last try .. add a fixed embedded profile [ATI, Nokia, Intel, ..]
             //
             // rgb888 - d16, s4
-            fixedCaps = new GLCapabilities(glp);
+            final GLCapabilities fixedCaps = new GLCapabilities(glp);
+            fixedCaps.setSampleBuffers(true);
+            fixedCaps.setNumSamples(4);
             fixedCaps.setRedBits(8);
             fixedCaps.setGreenBits(8);
             fixedCaps.setBlueBits(8);
             fixedCaps.setDepthBits(16);
-            fixedCaps.setSampleBuffers(true);
-            fixedCaps.setNumSamples(4);
+            if( !capsChosen.isOnscreen() ) {
+                fixedCaps.setOnscreen(false);
+                fixedCaps.setPBuffer(capsChosen.isPBuffer());
+                fixedCaps.setFBO(capsChosen.isFBO());
+            }
             if(DEBUG) {
                 System.err.println("trying fixed caps (1): "+fixedCaps);
             }
-            res = eglChooseConfig(eglDisplay, fixedCaps, capsReq, chooser, absScreen, nativeVisualID, false);
+            res = eglChooseConfig(eglDevice, fixedCaps, capsReq, chooser, absScreen, nativeVisualID, false);
         }
         if(null==res) {
             //
             // rgb565 - d16, s0
-            fixedCaps = new GLCapabilities(glp);
+            final GLCapabilities fixedCaps = new GLCapabilities(glp);
             fixedCaps.setRedBits(5);
             fixedCaps.setGreenBits(6);
             fixedCaps.setBlueBits(5);
             fixedCaps.setDepthBits(16);
+            if( !capsChosen.isOnscreen() ) {
+                fixedCaps.setOnscreen(false);
+                fixedCaps.setPBuffer(capsChosen.isPBuffer());
+                fixedCaps.setFBO(capsChosen.isFBO());
+            }
             if(DEBUG) {
                 System.err.println("trying fixed caps (2): "+fixedCaps);
             }
-            res = eglChooseConfig(eglDisplay, fixedCaps, capsReq, chooser, absScreen, nativeVisualID, false);
+            res = eglChooseConfig(eglDevice, fixedCaps, capsReq, chooser, absScreen, nativeVisualID, false);
         }
         if(null==res) {
             //
             // rgb565 - d16, s4
-            fixedCaps = new GLCapabilities(glp);
+            final GLCapabilities fixedCaps = new GLCapabilities(glp);
+            fixedCaps.setSampleBuffers(true);
+            fixedCaps.setNumSamples(4);
             fixedCaps.setRedBits(5);
             fixedCaps.setGreenBits(6);
             fixedCaps.setBlueBits(5);
             fixedCaps.setDepthBits(16);
-            fixedCaps.setSampleBuffers(true);
-            fixedCaps.setNumSamples(4);
+            if( !capsChosen.isOnscreen() ) {
+                fixedCaps.setOnscreen(false);
+                fixedCaps.setPBuffer(capsChosen.isPBuffer());
+                fixedCaps.setFBO(capsChosen.isFBO());
+            }
             if(DEBUG) {
                 System.err.println("trying fixed caps (3): "+fixedCaps);
             }
-            res = eglChooseConfig(eglDisplay, fixedCaps, capsReq, chooser, absScreen, nativeVisualID, false);
+            res = eglChooseConfig(eglDevice, fixedCaps, capsReq, chooser, absScreen, nativeVisualID, false);
         }
         if(null==res) {
             throw new GLException("Graphics configuration failed [direct caps, eglGetConfig/chooser and fixed-caps(1-3)]");
         }
         if(ownEGLDisplay) {
-            ((EGLGLCapabilities) res.getChosenCapabilities()).setEGLConfig(0); // eglDisplay: EOL 
-            EGLDisplayUtil.eglTerminate(eglDisplay);
+            ((EGLGLCapabilities) res.getChosenCapabilities()).setEGLConfig(0); // eglDisplay: EOL
+            eglDevice.close();
         }
         return res;
     }
 
-    static EGLGraphicsConfiguration eglChooseConfig(long eglDisplay, 
+
+    static EGLGraphicsConfiguration eglChooseConfig(EGLGraphicsDevice device,
                                                     GLCapabilitiesImmutable capsChosen, GLCapabilitiesImmutable capsRequested,
                                                     GLCapabilitiesChooser chooser,
                                                     AbstractGraphicsScreen absScreen,
                                                     int nativeVisualID, boolean forceTransparentFlag) {
+        final long eglDisplay = device.getHandle();
         final GLProfile glp = capsChosen.getGLProfile();
-        final boolean onscreen = capsChosen.isOnscreen();
-        final boolean usePBuffer = capsChosen.isPBuffer();
-        final int winattrmask = GLGraphicsConfigurationUtil.getWinAttributeBits(onscreen, usePBuffer);
-        List/*<EGLGLCapabilities>*/ availableCaps = null;
+        final int winattrmask = GLGraphicsConfigurationUtil.getExclusiveWinAttributeBits(capsChosen);
+        List<GLCapabilitiesImmutable> availableCaps = null;
         int recommendedIndex = -1;
         long recommendedEGLConfig = -1;
         IntBuffer numConfigs = Buffers.newDirectIntBuffer(1);
@@ -327,35 +342,58 @@ public class EGLGraphicsConfigurationFactory extends GLGraphicsConfigurationFact
         if(0 == numConfigs.get(0)) {
             throw new GLException("EGLGraphicsConfiguration.eglChooseConfig: Get maxConfigs (eglGetConfigs) no configs");
         }
+        final int numEGLConfigs = numConfigs.get(0);
         if (DEBUG) {
-            System.err.println("EGLGraphicsConfiguration.eglChooseConfig: eglChooseConfig maxConfigs: "+numConfigs.get(0));
-            System.err.println("EGLGraphicsConfiguration.eglChooseConfig: eglDisplay "+toHexString(eglDisplay)+", "+capsChosen+", nativeVisualID "+toHexString(nativeVisualID));
+            System.err.println("EGLGraphicsConfiguration.eglChooseConfig: eglChooseConfig eglDisplay "+toHexString(eglDisplay)+
+                               ", nativeVisualID "+toHexString(nativeVisualID)+
+                               ", capsChosen "+capsChosen+", winbits "+GLGraphicsConfigurationUtil.winAttributeBits2String(null, winattrmask).toString()+
+                               ", fboAvail "+GLContext.isFBOAvailable(device, glp)+
+                               ", device "+device+", "+device.getUniqueID()+
+                               ", numEGLConfigs "+numEGLConfigs);
         }
 
-        final IntBuffer attrs = Buffers.newDirectIntBuffer(EGLGraphicsConfiguration.GLCapabilities2AttribList(capsChosen));
+        final IntBuffer attrs = EGLGraphicsConfiguration.GLCapabilities2AttribList(capsChosen);
         PointerBuffer configs = PointerBuffer.allocateDirect(numConfigs.get(0));
 
-        // 1st choice: get GLCapabilities based on users GLCapabilities 
+        // 1st choice: get GLCapabilities based on users GLCapabilities
         //             setting recommendedIndex as preferred choice
         // skipped if nativeVisualID is given
-        if( VisualIDHolder.VID_UNDEFINED != nativeVisualID || !EGL.eglChooseConfig(eglDisplay, attrs, configs, configs.capacity(), numConfigs) ) {
+        final boolean hasEGLChosenCaps;
+        if( VisualIDHolder.VID_UNDEFINED == nativeVisualID ) {
+            if( !EGL.eglChooseConfig(eglDisplay, attrs, configs, configs.capacity(), numConfigs) ) {
+                if(DEBUG) {
+                    System.err.println("EGLGraphicsConfiguration.eglChooseConfig: #1 eglChooseConfig: false");
+                }
+                numConfigs.put(0, 0);
+                hasEGLChosenCaps = false;
+            } else {
+                hasEGLChosenCaps = numConfigs.get(0)>0;
+            }
+        } else {
             if(DEBUG) {
-                System.err.println("EGLGraphicsConfiguration.eglChooseConfig: #1 eglChooseConfig: false");
+                System.err.println("EGLGraphicsConfiguration.eglChooseConfig: Skipped due to given visualID: "+toHexString(nativeVisualID));
             }
-        } else  if (numConfigs.get(0) > 0) {
-            availableCaps = eglConfigs2GLCaps(glp, eglDisplay, configs, numConfigs.get(0), winattrmask, forceTransparentFlag);
+            hasEGLChosenCaps = false;
+        }
+        final boolean useRecommendedIndex = hasEGLChosenCaps && !forceTransparentFlag && capsChosen.isBackgroundOpaque(); // only use recommended idx if not translucent
+        final boolean skipCapsChooser = null == chooser && useRecommendedIndex; // fast path: skip choosing if using recommended idx and null chooser is used
+        if( hasEGLChosenCaps ) {
+            availableCaps = eglConfigs2GLCaps(device, glp, configs, numConfigs.get(0), winattrmask, forceTransparentFlag, skipCapsChooser /* onlyFirsValid */);
             if(availableCaps.size() > 0) {
                 recommendedEGLConfig =  configs.get(0);
                 recommendedIndex = 0;
                 if (DEBUG) {
                     System.err.println("EGLGraphicsConfiguration.eglChooseConfig: #1 eglChooseConfig: recommended fbcfg " + toHexString(recommendedEGLConfig) + ", idx " + recommendedIndex);
+                    System.err.println("EGLGraphicsConfiguration.eglChooseConfig: #1 useRecommendedIndex "+useRecommendedIndex+", skipCapsChooser "+skipCapsChooser);
                     System.err.println("EGLGraphicsConfiguration.eglChooseConfig: #1 fbcfg caps " + availableCaps.get(recommendedIndex));
                 }
             } else if (DEBUG) {
                 System.err.println("EGLGraphicsConfiguration.eglChooseConfig: #1 eglChooseConfig: no caps for recommended fbcfg " + toHexString(configs.get(0)));
+                System.err.println("EGLGraphicsConfiguration.eglChooseConfig: #1 useRecommendedIndex "+useRecommendedIndex+", skipCapsChooser "+skipCapsChooser);
             }
         } else if (DEBUG) {
             System.err.println("EGLGraphicsConfiguration.eglChooseConfig: #1 eglChooseConfig: no configs");
+            System.err.println("EGLGraphicsConfiguration.eglChooseConfig: #1 useRecommendedIndex "+useRecommendedIndex+", skipCapsChooser "+skipCapsChooser);
         }
 
         // 2nd choice: get all GLCapabilities available, no preferred recommendedIndex available
@@ -368,7 +406,7 @@ public class EGLGraphicsConfigurationFactory extends GLGraphicsConfigurationFact
                 throw new GLException("EGLGraphicsConfiguration.eglChooseConfig: #2 Get all configs (eglGetConfigs) call failed, error "+toHexString(EGL.eglGetError()));
             }
             if (numConfigs.get(0) > 0) {
-                availableCaps = eglConfigs2GLCaps(glp, eglDisplay, configs, numConfigs.get(0), winattrmask, forceTransparentFlag);
+                availableCaps = eglConfigs2GLCaps(device, glp, configs, numConfigs.get(0), winattrmask, forceTransparentFlag, false /* onlyFirsValid */);
             }
         }
 
@@ -376,10 +414,12 @@ public class EGLGraphicsConfigurationFactory extends GLGraphicsConfigurationFact
             if(DEBUG) {
                 // FIXME: this happens on a ATI PC Emulation ..
                 System.err.println("EGLGraphicsConfiguration.eglChooseConfig: #2 Graphics configuration 1st choice and 2nd choice failed - no configs");
+                availableCaps = eglConfigs2GLCaps(device, glp, configs, numConfigs.get(0), GLGraphicsConfigurationUtil.ALL_BITS, forceTransparentFlag, false /* onlyFirsValid */);
+                printCaps("AllCaps", availableCaps, System.err);
             }
             return null;
         }
-        
+
         if(DEBUG) {
             System.err.println("EGLGraphicsConfiguration.eglChooseConfig: got configs: "+availableCaps.size());
             for(int i=0; i<availableCaps.size(); i++) {
@@ -387,11 +427,16 @@ public class EGLGraphicsConfigurationFactory extends GLGraphicsConfigurationFact
             }
         }
 
-        if( VisualIDHolder.VID_UNDEFINED != nativeVisualID ) {
-            List/*<EGLGLCapabilities>*/ removedCaps = new ArrayList();
+        if( VisualIDHolder.VID_UNDEFINED != nativeVisualID ) { // implies !hasEGLChosenCaps
+            List<GLCapabilitiesImmutable> removedCaps = new ArrayList<GLCapabilitiesImmutable>();
             for(int i=0; i<availableCaps.size(); ) {
-                VisualIDHolder vidh = (VisualIDHolder) availableCaps.get(i);
-                if(vidh.getVisualID(VIDType.NATIVE) != nativeVisualID) {
+                final GLCapabilitiesImmutable aCap = availableCaps.get(i);
+                if(aCap.getVisualID(VIDType.NATIVE) != nativeVisualID) {
+                    if(DEBUG) { System.err.println("Remove["+i+"] (mismatch VisualID): "+aCap); }
+                    removedCaps.add(availableCaps.remove(i));
+                } else if( 0 == aCap.getDepthBits() && 0 < capsChosen.getDepthBits() ) {
+                    // Hack for HiSilicon/Vivante/Immersion.16 Renderer ..
+                    if(DEBUG) { System.err.println("Remove["+i+"] (mismatch depth-bits): "+aCap); }
                     removedCaps.add(availableCaps.remove(i));
                 } else {
                     i++;
@@ -404,10 +449,18 @@ public class EGLGraphicsConfigurationFactory extends GLGraphicsConfigurationFact
                 }
             } else if(DEBUG) {
                 System.err.println("EGLGraphicsConfiguration.eglChooseConfig: post filter nativeVisualID "+toHexString(nativeVisualID)+" got configs: "+availableCaps.size());
+                for(int i=0; i<availableCaps.size(); i++) {
+                    System.err.println(i+": "+availableCaps.get(i));
+                }
             }
         }
 
-        final int chosenIndex = chooseCapabilities(chooser, capsChosen, availableCaps, recommendedIndex);
+        final int chosenIndex;
+        if( skipCapsChooser && 0 <= recommendedIndex ) {
+            chosenIndex = recommendedIndex;
+        } else {
+            chosenIndex = chooseCapabilities(chooser, capsChosen, availableCaps, recommendedIndex);
+        }
         if ( 0 > chosenIndex ) {
             if (DEBUG) {
                 System.err.println("EGLGraphicsConfiguration.eglChooseConfig: #2 chooseCapabilities failed");
@@ -415,46 +468,32 @@ public class EGLGraphicsConfigurationFactory extends GLGraphicsConfigurationFact
             return null;
         }
         final EGLGLCapabilities chosenCaps = (EGLGLCapabilities) availableCaps.get(chosenIndex);
+        final EGLGraphicsConfiguration res = new EGLGraphicsConfiguration(absScreen, chosenCaps, capsRequested, chooser);
         if (DEBUG) {
-            System.err.println("EGLGraphicsConfiguration.eglChooseConfig: X chosen :"+chosenIndex+", eglConfig: "+toHexString(chosenCaps.getEGLConfig())+", "+chosenCaps);
+            System.err.println("EGLGraphicsConfiguration.eglChooseConfig: X chosen :"+chosenIndex+", eglConfig: "+toHexString(chosenCaps.getEGLConfig())+": "+res);
         }
-        return new EGLGraphicsConfiguration(absScreen, chosenCaps, capsRequested, chooser);
+        return res;
     }
 
-    static List/*<GLCapabilitiesImmutable>*/ eglConfigs2GLCaps(GLProfile glp, long eglDisplay, PointerBuffer configs, int num, int winattrmask, boolean forceTransparentFlag) {
-        ArrayList caps = new ArrayList(num);
+    static List<GLCapabilitiesImmutable> eglConfigs2GLCaps(EGLGraphicsDevice device, GLProfile glp, PointerBuffer configs, int num, int winattrmask, boolean forceTransparentFlag, boolean onlyFirstValid) {
+        final GLRendererQuirks defaultQuirks = GLRendererQuirks.getStickyDeviceQuirks( GLDrawableFactory.getEGLFactory().getDefaultDevice() );
+        List<GLCapabilitiesImmutable> bucket = new ArrayList<GLCapabilitiesImmutable>(num);
         for(int i=0; i<num; i++) {
-            EGLGraphicsConfiguration.EGLConfig2Capabilities(caps, glp, eglDisplay, configs.get(i), winattrmask, forceTransparentFlag);
+            final GLCapabilitiesImmutable caps = EGLGraphicsConfiguration.EGLConfig2Capabilities(defaultQuirks, device, glp, configs.get(i), winattrmask, forceTransparentFlag);
+            if(null != caps) {
+                bucket.add(caps);
+                if(onlyFirstValid) {
+                    break;
+                }
+            }
         }
-        return caps;
+        return bucket;
     }
 
-    static void printCaps(String prefix, List/*GLCapabilitiesImmutable*/ caps, PrintStream out) {
+    static void printCaps(String prefix, List<GLCapabilitiesImmutable> caps, PrintStream out) {
         for(int i=0; i<caps.size(); i++) {
             out.println(prefix+"["+i+"] "+caps.get(i));
         }
     }
-
-    static EGLGraphicsConfiguration createOffscreenGraphicsConfiguration(AbstractGraphicsDevice device, GLCapabilitiesImmutable capsChosen, GLCapabilitiesImmutable capsReq, GLCapabilitiesChooser chooser) {
-        if(capsChosen.isOnscreen()) {
-            throw new GLException("Error: Onscreen set: "+capsChosen);
-        }
-
-        if(capsChosen.getDoubleBuffered()) {
-            // OFFSCREEN !DOUBLE_BUFFER // FIXME DBLBUFOFFSCRN
-            GLCapabilities caps2 = (GLCapabilities) capsChosen.cloneMutable();
-            caps2.setDoubleBuffered(false);
-            capsChosen = caps2;
-        }
-
-        DefaultGraphicsScreen screen = new DefaultGraphicsScreen(device, 0);
-        EGLGraphicsConfiguration eglConfig = chooseGraphicsConfigurationStatic(capsChosen, capsReq, chooser, screen, VisualIDHolder.VID_UNDEFINED, false);
-        if (null == eglConfig) {
-            throw new GLException("Couldn't create EGLGraphicsConfiguration from "+screen);
-        } else if(DEBUG) {
-            System.err.println("Chosen eglConfig: "+eglConfig);
-        }
-        return eglConfig;
-    }
 }
 
diff --git a/src/jogl/classes/jogamp/opengl/egl/EGLOnscreenContext.java b/src/jogl/classes/jogamp/opengl/egl/EGLOnscreenContext.java
deleted file mode 100644
index dd0a3db3a..000000000
--- a/src/jogl/classes/jogamp/opengl/egl/EGLOnscreenContext.java
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved.
- * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- * 
- * - Redistribution of source code must retain the above copyright
- *   notice, this list of conditions and the following disclaimer.
- * 
- * - Redistribution in binary form must reproduce the above copyright
- *   notice, this list of conditions and the following disclaimer in the
- *   documentation and/or other materials provided with the distribution.
- * 
- * Neither the name of Sun Microsystems, Inc. or the names of
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- * 
- * This software is provided "AS IS," without a warranty of any kind. ALL
- * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
- * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
- * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
- * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
- * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
- * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
- * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
- * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
- * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
- * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
- * 
- * Sun gratefully acknowledges that this software was originally authored
- * and developed by Kenneth Bradley Russell and Christopher John Kline.
- */
-
-package jogamp.opengl.egl;
-
-import javax.media.nativewindow.*;
-import javax.media.opengl.*;
-import jogamp.opengl.*;
-import com.jogamp.gluegen.runtime.ProcAddressTable;
-import java.nio.*;
-import java.util.*;
-
-public class EGLOnscreenContext extends EGLContext {
-    public EGLOnscreenContext(EGLOnscreenDrawable drawable, GLContext shareWith) {
-        super(drawable, shareWith);
-    }
-
-    public void bindPbufferToTexture() {
-        throw new GLException("Should not call this");
-    }
-
-    public void releasePbufferFromTexture() {
-        throw new GLException("Should not call this");
-    }
-
-}
-
diff --git a/src/jogl/classes/jogamp/opengl/egl/EGLOnscreenDrawable.java b/src/jogl/classes/jogamp/opengl/egl/EGLOnscreenDrawable.java
index 42f067b29..065f80dcb 100644
--- a/src/jogl/classes/jogamp/opengl/egl/EGLOnscreenDrawable.java
+++ b/src/jogl/classes/jogamp/opengl/egl/EGLOnscreenDrawable.java
@@ -1,22 +1,22 @@
 /*
  * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
  * Copyright (c) 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:
- * 
+ *
  * - Redistribution of source code must retain the above copyright
  *   notice, this list of conditions and the following disclaimer.
- * 
+ *
  * - Redistribution in binary form must reproduce the above copyright
  *   notice, this list of conditions and the following disclaimer in the
  *   documentation and/or other materials provided with the distribution.
- * 
+ *
  * Neither the name of Sun Microsystems, Inc. or the names of
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
- * 
+ *
  * This software is provided "AS IS," without a warranty of any kind. ALL
  * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
  * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
@@ -29,11 +29,11 @@
  * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
  * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
  * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
- * 
+ *
  * You acknowledge that this software is not designed or intended for use
  * in the design, construction, operation or maintenance of any nuclear
  * facility.
- * 
+ *
  * Sun gratefully acknowledges that this software was originally authored
  * and developed by Kenneth Bradley Russell and Christopher John Kline.
  */
@@ -48,12 +48,14 @@ public class EGLOnscreenDrawable extends EGLDrawable {
         super(factory, component);
     }
 
+    @Override
     public GLContext createContext(GLContext shareWith) {
-        return new EGLOnscreenContext(this, shareWith);
+        return new EGLContext(this, shareWith);
     }
 
-    protected long createSurface(long eglDpy, long eglNativeCfg, long surfaceHandle) {
-        return EGL.eglCreateWindowSurface(eglDpy, eglNativeCfg, surfaceHandle, null);
+    @Override
+    protected long createSurface(EGLGraphicsConfiguration config, int width, int height, long nativeSurfaceHandle) {
+        return EGL.eglCreateWindowSurface(config.getScreen().getDevice().getHandle(), config.getNativeConfig(), nativeSurfaceHandle, null);
     }
 }
 
diff --git a/src/jogl/classes/jogamp/opengl/egl/EGLPbufferContext.java b/src/jogl/classes/jogamp/opengl/egl/EGLPbufferContext.java
deleted file mode 100644
index 2cad7daac..000000000
--- a/src/jogl/classes/jogamp/opengl/egl/EGLPbufferContext.java
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved.
- * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- * 
- * - Redistribution of source code must retain the above copyright
- *   notice, this list of conditions and the following disclaimer.
- * 
- * - Redistribution in binary form must reproduce the above copyright
- *   notice, this list of conditions and the following disclaimer in the
- *   documentation and/or other materials provided with the distribution.
- * 
- * Neither the name of Sun Microsystems, Inc. or the names of
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- * 
- * This software is provided "AS IS," without a warranty of any kind. ALL
- * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
- * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
- * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
- * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
- * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
- * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
- * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
- * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
- * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
- * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
- * 
- * Sun gratefully acknowledges that this software was originally authored
- * and developed by Kenneth Bradley Russell and Christopher John Kline.
- */
-
-package jogamp.opengl.egl;
-
-import javax.media.nativewindow.*;
-import javax.media.opengl.*;
-import jogamp.opengl.*;
-import com.jogamp.gluegen.runtime.ProcAddressTable;
-import java.nio.*;
-import java.util.*;
-
-public class EGLPbufferContext extends EGLContext {
-    public EGLPbufferContext(EGLPbufferDrawable drawable, GLContext shareWith) {
-        super(drawable, shareWith);
-    }
-
-    public int getFloatingPointMode() {
-        return 0; // FIXME ??
-    }
-
-    public void bindPbufferToTexture() {
-        throw new GLException("Not yet implemented");
-    }
-
-    public void releasePbufferFromTexture() {
-        throw new GLException("Not yet implemented");
-    }
-}
-
diff --git a/src/jogl/classes/jogamp/opengl/egl/EGLPbufferDrawable.java b/src/jogl/classes/jogamp/opengl/egl/EGLPbufferDrawable.java
index 28a23d294..45e39f5d1 100644
--- a/src/jogl/classes/jogamp/opengl/egl/EGLPbufferDrawable.java
+++ b/src/jogl/classes/jogamp/opengl/egl/EGLPbufferDrawable.java
@@ -1,22 +1,22 @@
 /*
  * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
  * Copyright (c) 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:
- * 
+ *
  * - Redistribution of source code must retain the above copyright
  *   notice, this list of conditions and the following disclaimer.
- * 
+ *
  * - Redistribution in binary form must reproduce the above copyright
  *   notice, this list of conditions and the following disclaimer in the
  *   documentation and/or other materials provided with the distribution.
- * 
+ *
  * Neither the name of Sun Microsystems, Inc. or the names of
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
- * 
+ *
  * This software is provided "AS IS," without a warranty of any kind. ALL
  * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
  * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
@@ -29,64 +29,35 @@
  * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
  * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
  * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
- * 
+ *
  * You acknowledge that this software is not designed or intended for use
  * in the design, construction, operation or maintenance of any nuclear
  * facility.
- * 
+ *
  * Sun gratefully acknowledges that this software was originally authored
  * and developed by Kenneth Bradley Russell and Christopher John Kline.
  */
 
 package jogamp.opengl.egl;
 
-import javax.media.nativewindow.AbstractGraphicsConfiguration;
 import javax.media.nativewindow.NativeSurface;
-import javax.media.nativewindow.SurfaceChangeable;
-import javax.media.opengl.GLCapabilitiesImmutable;
 import javax.media.opengl.GLContext;
-import javax.media.opengl.GLException;
 
 public class EGLPbufferDrawable extends EGLDrawable {
-    private int texFormat;
     protected static final boolean useTexture = false; // No yet ..
 
     protected EGLPbufferDrawable(EGLDrawableFactory factory, NativeSurface target) {
         super(factory, target);
     }
 
-    protected void destroyImpl() {
-        setRealized(false);
-    }
-    
-    protected long createSurface(long eglDpy, long eglNativeCfg, long surfaceHandle) {
-        final AbstractGraphicsConfiguration config = getNativeSurface().getGraphicsConfiguration();
-        final GLCapabilitiesImmutable caps = (GLCapabilitiesImmutable) config.getChosenCapabilities();
-
-        if(useTexture) {
-            texFormat = caps.getAlphaBits() > 0 ? EGL.EGL_TEXTURE_RGBA : EGL.EGL_TEXTURE_RGB ;
-        } else {
-            texFormat = EGL.EGL_NO_TEXTURE;
-        }
-
-        if (DEBUG) {
-          System.out.println("Pbuffer config: " + config);
-        }
-
-        NativeSurface nw = getNativeSurface();
-        int[] attrs = EGLGraphicsConfiguration.CreatePBufferSurfaceAttribList(nw.getWidth(), nw.getHeight(), texFormat);
-        long surf = EGL.eglCreatePbufferSurface(eglDpy, eglNativeCfg, attrs, 0);
-        if (EGL.EGL_NO_SURFACE==surf) {
-            throw new GLException("Creation of window surface (eglCreatePbufferSurface) failed, dim "+nw.getWidth()+"x"+nw.getHeight()+", error 0x"+Integer.toHexString(EGL.eglGetError()));
-        } else if(DEBUG) {
-            System.err.println("PBuffer setSurface result: eglSurface 0x"+Long.toHexString(surf));
-        }
-        ((SurfaceChangeable)nw).setSurfaceHandle(surf);
-        return surf;
+    @Override
+    protected long createSurface(EGLGraphicsConfiguration config, int width, int height, long nativeSurfaceHandle) {
+        return EGLDrawableFactory.createPBufferSurfaceImpl(config, width, height, false);
     }
 
+    @Override
     public GLContext createContext(GLContext shareWith) {
-        return new EGLPbufferContext(this, shareWith);
+        return new EGLContext(this, shareWith);
     }
 }
 
diff --git a/src/jogl/classes/jogamp/opengl/egl/EGLUpstreamSurfaceHook.java b/src/jogl/classes/jogamp/opengl/egl/EGLUpstreamSurfaceHook.java
new file mode 100644
index 000000000..5b911576e
--- /dev/null
+++ b/src/jogl/classes/jogamp/opengl/egl/EGLUpstreamSurfaceHook.java
@@ -0,0 +1,217 @@
+package jogamp.opengl.egl;
+
+import javax.media.nativewindow.AbstractGraphicsConfiguration;
+import javax.media.nativewindow.AbstractGraphicsDevice;
+import javax.media.nativewindow.AbstractGraphicsScreen;
+import javax.media.nativewindow.DefaultGraphicsScreen;
+import javax.media.nativewindow.NativeSurface;
+import javax.media.nativewindow.ProxySurface;
+import javax.media.nativewindow.UpstreamSurfaceHook;
+import javax.media.nativewindow.VisualIDHolder.VIDType;
+import javax.media.opengl.GLCapabilitiesImmutable;
+import javax.media.opengl.GLException;
+
+import com.jogamp.nativewindow.egl.EGLGraphicsDevice;
+
+/**
+ * <pre>
+ * EGLWrappedSurface [ is_a -> WrappedSurface -> ProxySurfaceImpl -> ProxySurface -> MutableSurface -> NativeSurface] has_a
+ *     EGLUpstreamSurfaceHook [ is_a -> UpstreamSurfaceHook.MutableSize -> UpstreamSurfaceHook ] has_a
+ *        NativeSurface (i.e. native X11 surface)
+ * </pre>
+ */
+public class EGLUpstreamSurfaceHook implements UpstreamSurfaceHook.MutableSize {
+    protected static final boolean DEBUG = EGLDrawableFactory.DEBUG;
+    private final NativeSurface upstreamSurface;
+    private final UpstreamSurfaceHook.MutableSize upstreamSurfaceHookMutableSize;
+
+    public EGLUpstreamSurfaceHook(NativeSurface upstream) {
+        upstreamSurface = upstream;
+        if(upstreamSurface instanceof ProxySurface) {
+            final UpstreamSurfaceHook ush = ((ProxySurface)upstreamSurface).getUpstreamSurfaceHook();
+            if(ush instanceof UpstreamSurfaceHook.MutableSize) {
+                // offscreen NativeSurface w/ MutableSize (default)
+                upstreamSurfaceHookMutableSize = (UpstreamSurfaceHook.MutableSize) ush;
+            } else {
+                upstreamSurfaceHookMutableSize = null;
+            }
+        } else {
+            upstreamSurfaceHookMutableSize = null;
+        }
+    }
+
+    public final NativeSurface getUpstreamSurface() { return upstreamSurface; }
+
+    static String getThreadName() { return Thread.currentThread().getName(); }
+
+    @Override
+    public final void setSize(int width, int height) {
+        if(null != upstreamSurfaceHookMutableSize) {
+            upstreamSurfaceHookMutableSize.setSize(width, height);
+        }
+    }
+
+    @Override
+    public final void create(ProxySurface surface) {
+        final String dbgPrefix;
+        if(DEBUG) {
+            dbgPrefix = getThreadName() + ": EGLUpstreamSurfaceHook.create( up "+upstreamSurface.getClass().getSimpleName()+" -> this "+surface.getClass().getSimpleName()+" ): ";
+            System.err.println(dbgPrefix+this);
+        } else {
+            dbgPrefix = null;
+        }
+
+        if(upstreamSurface instanceof ProxySurface) {
+            // propagate createNotify(..) so upstreamSurface will be created
+            ((ProxySurface)upstreamSurface).createNotify();
+        }
+
+        // lock upstreamSurface, so it can be used in case EGLDisplay is derived from it!
+        if(NativeSurface.LOCK_SURFACE_NOT_READY >= upstreamSurface.lockSurface()) {
+            throw new GLException("Could not lock: "+upstreamSurface);
+        }
+        try {
+            evalUpstreamSurface(dbgPrefix, surface);
+        } finally {
+            upstreamSurface.unlockSurface();
+        }
+    }
+
+    private final void evalUpstreamSurface(String dbgPrefix, ProxySurface surface) {
+        //
+        // evaluate nature of upstreamSurface, may create EGL instances if required
+        //
+
+        boolean isEGLSurfaceValid = true; // assume yes
+
+        final EGLGraphicsDevice eglDevice;
+        final AbstractGraphicsConfiguration aConfig;
+        {
+            final AbstractGraphicsConfiguration surfaceConfig = surface.getGraphicsConfiguration();
+            final AbstractGraphicsDevice surfaceDevice = null != surfaceConfig ? surfaceConfig.getScreen().getDevice() : null;
+            if(DEBUG) {
+                System.err.println(dbgPrefix+"SurfaceDevice: "+surfaceDevice.getClass().getSimpleName()+", hash 0x"+Integer.toHexString(surfaceDevice.hashCode())+", "+surfaceDevice);
+                System.err.println(dbgPrefix+"SurfaceConfig: "+surfaceConfig.getClass().getSimpleName()+", hash 0x"+Integer.toHexString(surfaceConfig.hashCode())+", "+surfaceConfig);
+            }
+
+            final AbstractGraphicsConfiguration upstreamConfig = upstreamSurface.getGraphicsConfiguration();
+            final AbstractGraphicsDevice upstreamDevice = upstreamConfig.getScreen().getDevice();
+            if(DEBUG) {
+                System.err.println(dbgPrefix+"UpstreamDevice: "+upstreamDevice.getClass().getSimpleName()+", hash 0x"+Integer.toHexString(upstreamDevice.hashCode())+", "+upstreamDevice);
+                System.err.println(dbgPrefix+"UpstreamConfig: "+upstreamConfig.getClass().getSimpleName()+", hash 0x"+Integer.toHexString(upstreamConfig.hashCode())+", "+upstreamConfig);
+            }
+
+            if( surfaceDevice instanceof EGLGraphicsDevice ) {
+                eglDevice = (EGLGraphicsDevice) surfaceDevice;
+                aConfig = surfaceConfig;
+                if(DEBUG) {
+                    System.err.println(dbgPrefix+"Reusing this eglDevice: "+eglDevice+", using this config "+aConfig.getClass().getSimpleName()+" "+aConfig);
+                }
+                if(EGL.EGL_NO_DISPLAY == eglDevice.getHandle()) {
+                    eglDevice.open();
+                    isEGLSurfaceValid = false;
+                    surface.addUpstreamOptionBits( ProxySurface.OPT_PROXY_OWNS_UPSTREAM_DEVICE );
+                }
+            } else if( upstreamDevice instanceof EGLGraphicsDevice ) {
+                eglDevice = (EGLGraphicsDevice) upstreamDevice;
+                aConfig = upstreamConfig;
+                if(DEBUG) {
+                    System.err.println(dbgPrefix+"Reusing upstream eglDevice: "+eglDevice+", using upstream config "+aConfig.getClass().getSimpleName()+" "+aConfig);
+                }
+                if(EGL.EGL_NO_DISPLAY == eglDevice.getHandle()) {
+                    eglDevice.open();
+                    isEGLSurfaceValid = false;
+                    surface.addUpstreamOptionBits( ProxySurface.OPT_PROXY_OWNS_UPSTREAM_DEVICE );
+                }
+            } else {
+                eglDevice = EGLDisplayUtil.eglCreateEGLGraphicsDevice(upstreamSurface);
+                eglDevice.open();
+                aConfig = upstreamConfig;
+                isEGLSurfaceValid = false;
+                surface.addUpstreamOptionBits( ProxySurface.OPT_PROXY_OWNS_UPSTREAM_DEVICE );
+            }
+        }
+
+        final GLCapabilitiesImmutable capsRequested = (GLCapabilitiesImmutable) aConfig.getRequestedCapabilities();
+        final EGLGraphicsConfiguration eglConfig;
+        if( aConfig instanceof EGLGraphicsConfiguration ) {
+            // Config is already in EGL type - reuse ..
+            final EGLGLCapabilities capsChosen = (EGLGLCapabilities) aConfig.getChosenCapabilities();
+            if( !isEGLSurfaceValid || !EGLGraphicsConfiguration.isEGLConfigValid(eglDevice.getHandle(), capsChosen.getEGLConfig()) ) {
+                // 'refresh' the native EGLConfig handle
+                capsChosen.setEGLConfig(EGLGraphicsConfiguration.EGLConfigId2EGLConfig(eglDevice.getHandle(), capsChosen.getEGLConfigID()));
+                if( 0 == capsChosen.getEGLConfig() ) {
+                    throw new GLException("Refreshing native EGLConfig handle failed with error "+EGLContext.toHexString(EGL.eglGetError())+": "+eglDevice+", "+capsChosen+" of "+aConfig);
+                }
+                final AbstractGraphicsScreen eglScreen = new DefaultGraphicsScreen(eglDevice, aConfig.getScreen().getIndex());
+                eglConfig  = new EGLGraphicsConfiguration(eglScreen, capsChosen, capsRequested, null);
+                if(DEBUG) {
+                    System.err.println(dbgPrefix+"Refreshing eglConfig: "+eglConfig);
+                }
+                isEGLSurfaceValid = false;
+            } else {
+                eglConfig = (EGLGraphicsConfiguration) aConfig;
+                if(DEBUG) {
+                    System.err.println(dbgPrefix+"Reusing eglConfig: "+eglConfig);
+                }
+            }
+        } else {
+            final AbstractGraphicsScreen eglScreen = new DefaultGraphicsScreen(eglDevice, aConfig.getScreen().getIndex());
+            eglConfig = EGLGraphicsConfigurationFactory.chooseGraphicsConfigurationStatic(
+                    capsRequested, capsRequested, null, eglScreen, aConfig.getVisualID(VIDType.NATIVE), false /* forceTransparencyFlag */);
+
+            if (null == eglConfig) {
+                throw new GLException("Couldn't create EGLGraphicsConfiguration from "+eglScreen);
+            } else if(DEBUG) {
+                System.err.println(dbgPrefix+"Chosen eglConfig: "+eglConfig);
+            }
+            isEGLSurfaceValid = false;
+        }
+        surface.setGraphicsConfiguration(eglConfig);
+
+        if(isEGLSurfaceValid) {
+            isEGLSurfaceValid = EGLDrawable.isValidEGLSurface(eglDevice.getHandle(), upstreamSurface.getSurfaceHandle());
+        }
+        if(isEGLSurfaceValid) {
+            surface.setSurfaceHandle(upstreamSurface.getSurfaceHandle());
+            surface.clearUpstreamOptionBits( ProxySurface.OPT_PROXY_OWNS_UPSTREAM_SURFACE );
+            if(DEBUG) {
+                System.err.println(dbgPrefix+"Fin: Already valid EGL surface - use as-is: "+upstreamSurface);
+            }
+        } else {
+            surface.setSurfaceHandle(EGL.EGL_NO_SURFACE);
+            surface.addUpstreamOptionBits( ProxySurface.OPT_PROXY_OWNS_UPSTREAM_SURFACE ); // create/destroy in EGLDrawable
+            if(DEBUG) {
+                System.err.println(dbgPrefix+"Fin: EGL surface n/a - TBD: "+upstreamSurface);
+            }
+        }
+    }
+
+    @Override
+    public final void destroy(ProxySurface surface) {
+        if(EGLDrawableFactory.DEBUG) {
+            System.err.println("EGLUpstreamSurfaceHook.destroy("+surface.getClass().getSimpleName()+"): "+this);
+        }
+        surface.clearUpstreamOptionBits( ProxySurface.OPT_PROXY_OWNS_UPSTREAM_SURFACE );
+        if(upstreamSurface instanceof ProxySurface) {
+            ((ProxySurface)upstreamSurface).destroyNotify();
+        }
+    }
+
+    @Override
+    public final int getWidth(ProxySurface s) {
+        return upstreamSurface.getWidth();
+    }
+
+    @Override
+    public final int getHeight(ProxySurface s) {
+        return upstreamSurface.getHeight();
+    }
+
+    @Override
+    public String toString() {
+        final String us_s = null != upstreamSurface ? ( upstreamSurface.getClass().getName() + ": 0x" + Long.toHexString(upstreamSurface.getSurfaceHandle()) ) : "nil";
+        return "EGLUpstreamSurfaceHook[ "+ upstreamSurface.getWidth() + "x" + upstreamSurface.getHeight() + ", " + us_s+ "]";
+    }
+
+}
diff --git a/src/jogl/classes/jogamp/opengl/egl/EGLWrappedSurface.java b/src/jogl/classes/jogamp/opengl/egl/EGLWrappedSurface.java
new file mode 100644
index 000000000..e6d43d957
--- /dev/null
+++ b/src/jogl/classes/jogamp/opengl/egl/EGLWrappedSurface.java
@@ -0,0 +1,34 @@
+package jogamp.opengl.egl;
+
+import javax.media.nativewindow.NativeSurface;
+
+import jogamp.nativewindow.WrappedSurface;
+
+/**
+ * <pre>
+ * EGLWrappedSurface [ is_a -> WrappedSurface -> ProxySurfaceImpl -> ProxySurface -> MutableSurface -> NativeSurface] has_a
+ *     EGLUpstreamSurfaceHook [ is_a -> UpstreamSurfaceHook.MutableSize -> UpstreamSurfaceHook ] has_a
+ *        NativeSurface (i.e. native X11 surface)
+ * </pre>
+ */
+public class EGLWrappedSurface extends WrappedSurface {
+
+    public static EGLWrappedSurface get(NativeSurface surface) {
+        if(surface instanceof EGLWrappedSurface) {
+            return (EGLWrappedSurface)surface;
+        }
+        return new EGLWrappedSurface(surface);
+    }
+
+    public EGLWrappedSurface(NativeSurface surface) {
+        super(surface.getGraphicsConfiguration(), EGL.EGL_NO_SURFACE, new EGLUpstreamSurfaceHook(surface), false /* tbd in UpstreamSurfaceHook */);
+        if(EGLDrawableFactory.DEBUG) {
+            System.err.println("EGLWrappedSurface.ctor(): "+this);
+        }
+    }
+
+    @Override
+    public final NativeSurface getUpstreamSurface() {
+        return ((EGLUpstreamSurfaceHook)super.getUpstreamSurfaceHook()).getUpstreamSurface();
+    }
+}