Merge remote-tracking branch 'upstream/master'

18 files changed, 1113 insertions, 327 deletions

diff --git a/src/jogl/classes/javax/media/opengl/DebugGL2.java b/src/jogl/classes/javax/media/opengl/DebugGL2.java
new file mode 100644
index 000000000..05bcf3d5e
--- /dev/null
+++ b/src/jogl/classes/javax/media/opengl/DebugGL2.java
@@ -0,0 +1,21 @@
+package javax.media.opengl;
+
+/**
+ * <p>
+ * Composable pipeline which wraps an underlying {@link GL} implementation,
+ * providing error checking after each OpenGL method call. If an error occurs,
+ * causes a {@link GLException} to be thrown at exactly the point of failure.
+ * </p>
+ * <p>
+ * Sample code which installs this pipeline, manual:
+ * <pre>
+ *     gl = drawable.setGL(new DebugGL(drawable.getGL()));
+ * </pre> 
+ * For automatic instantiation see {@link GLPipelineFactory#create(String, Class, GL, Object[])}.
+ * </p>
+ */
+public class DebugGL2 extends DebugGL4bc {
+    public DebugGL2(GL2 downstream) {
+        super((GL4bc)downstream);
+    }
+}
diff --git a/src/jogl/classes/javax/media/opengl/DebugGL3.java b/src/jogl/classes/javax/media/opengl/DebugGL3.java
new file mode 100644
index 000000000..c17f90667
--- /dev/null
+++ b/src/jogl/classes/javax/media/opengl/DebugGL3.java
@@ -0,0 +1,21 @@
+package javax.media.opengl;
+
+/**
+ * <p>
+ * Composable pipeline which wraps an underlying {@link GL} implementation,
+ * providing error checking after each OpenGL method call. If an error occurs,
+ * causes a {@link GLException} to be thrown at exactly the point of failure.
+ * </p>
+ * <p>
+ * Sample code which installs this pipeline, manual:
+ * <pre>
+ *     gl = drawable.setGL(new DebugGL(drawable.getGL()));
+ * </pre> 
+ * For automatic instantiation see {@link GLPipelineFactory#create(String, Class, GL, Object[])}.
+ * </p>
+ */
+public class DebugGL3 extends DebugGL4bc {
+    public DebugGL3(GL3 downstream) {
+        super((GL4bc)downstream);
+    }
+}
diff --git a/src/jogl/classes/javax/media/opengl/DebugGL3bc.java b/src/jogl/classes/javax/media/opengl/DebugGL3bc.java
new file mode 100644
index 000000000..6e294d42b
--- /dev/null
+++ b/src/jogl/classes/javax/media/opengl/DebugGL3bc.java
@@ -0,0 +1,21 @@
+package javax.media.opengl;
+
+/**
+ * <p>
+ * Composable pipeline which wraps an underlying {@link GL} implementation,
+ * providing error checking after each OpenGL method call. If an error occurs,
+ * causes a {@link GLException} to be thrown at exactly the point of failure.
+ * </p>
+ * <p>
+ * Sample code which installs this pipeline, manual:
+ * <pre>
+ *     gl = drawable.setGL(new DebugGL(drawable.getGL()));
+ * </pre> 
+ * For automatic instantiation see {@link GLPipelineFactory#create(String, Class, GL, Object[])}.
+ * </p>
+ */
+public class DebugGL3bc extends DebugGL4bc {
+    public DebugGL3bc(GL3bc downstream) {
+        super((GL4bc)downstream);
+    }
+}
diff --git a/src/jogl/classes/javax/media/opengl/DebugGL4.java b/src/jogl/classes/javax/media/opengl/DebugGL4.java
new file mode 100644
index 000000000..d21d39390
--- /dev/null
+++ b/src/jogl/classes/javax/media/opengl/DebugGL4.java
@@ -0,0 +1,21 @@
+package javax.media.opengl;
+
+/**
+ * <p>
+ * Composable pipeline which wraps an underlying {@link GL} implementation,
+ * providing error checking after each OpenGL method call. If an error occurs,
+ * causes a {@link GLException} to be thrown at exactly the point of failure.
+ * </p>
+ * <p>
+ * Sample code which installs this pipeline, manual:
+ * <pre>
+ *     gl = drawable.setGL(new DebugGL(drawable.getGL()));
+ * </pre> 
+ * For automatic instantiation see {@link GLPipelineFactory#create(String, Class, GL, Object[])}.
+ * </p>
+ */
+public class DebugGL4 extends DebugGL4bc {
+    public DebugGL4(GL4 downstream) {
+        super((GL4bc)downstream);
+    }
+}
diff --git a/src/jogl/classes/javax/media/opengl/DebugGLES2.java b/src/jogl/classes/javax/media/opengl/DebugGLES2.java
new file mode 100644
index 000000000..dee363c1b
--- /dev/null
+++ b/src/jogl/classes/javax/media/opengl/DebugGLES2.java
@@ -0,0 +1,21 @@
+package javax.media.opengl;
+
+/**
+ * <p>
+ * Composable pipeline which wraps an underlying {@link GL} implementation,
+ * providing error checking after each OpenGL method call. If an error occurs,
+ * causes a {@link GLException} to be thrown at exactly the point of failure.
+ * </p>
+ * <p>
+ * Sample code which installs this pipeline, manual:
+ * <pre>
+ *     gl = drawable.setGL(new DebugGL(drawable.getGL()));
+ * </pre> 
+ * For automatic instantiation see {@link GLPipelineFactory#create(String, Class, GL, Object[])}.
+ * </p>
+ */
+public class DebugGLES2 extends DebugGLES3 {
+    public DebugGLES2(GLES2 downstream) {
+        super((GLES3)downstream);
+    }
+}
diff --git a/src/jogl/classes/javax/media/opengl/DefaultGLCapabilitiesChooser.java b/src/jogl/classes/javax/media/opengl/DefaultGLCapabilitiesChooser.java
index b052769ca..b0f3da8e4 100644
--- a/src/jogl/classes/javax/media/opengl/DefaultGLCapabilitiesChooser.java
+++ b/src/jogl/classes/javax/media/opengl/DefaultGLCapabilitiesChooser.java
@@ -85,8 +85,13 @@ import jogamp.opengl.Debug;
 */
 
 public class DefaultGLCapabilitiesChooser implements GLCapabilitiesChooser {
-  private static final boolean DEBUG = Debug.isPropertyDefined("jogl.debug.CapabilitiesChooser", true);
+  private static final boolean DEBUG;
 
+  static {
+      Debug.initSingleton();
+      DEBUG = Debug.isPropertyDefined("jogl.debug.CapabilitiesChooser", true);
+  }
+  
   private final static int NO_SCORE = -9999999;
   private final static int DOUBLE_BUFFER_MISMATCH_PENALTY = 1000;
   private final static int OPAQUE_MISMATCH_PENALTY = 750;
diff --git a/src/jogl/classes/javax/media/opengl/GLBase.java b/src/jogl/classes/javax/media/opengl/GLBase.java
index 74c1b9609..f1853351f 100644
--- a/src/jogl/classes/javax/media/opengl/GLBase.java
+++ b/src/jogl/classes/javax/media/opengl/GLBase.java
@@ -88,35 +88,41 @@ public interface GLBase {
   /**
    * Indicates whether this GL object conforms to the OpenGL &ge; 4.0 compatibility profile.
    * The GL4 compatibility profile includes the GL2, GL2ES1, GL2ES2, GL3, GL3bc and GL4 profile.
+   * @see GLContext#isGL4bc()
    */
   public boolean isGL4bc();
 
   /**
    * Indicates whether this GL object conforms to the OpenGL &ge; 4.0 core profile.
    * The GL4 core profile includes the GL2ES2, and GL3 profile.
+   * @see GLContext#isGL4()
    */
   public boolean isGL4();
 
   /**
    * Indicates whether this GL object conforms to the OpenGL &ge; 3.1 compatibility profile.
    * The GL3 compatibility profile includes the GL2, GL2ES1, GL2ES2 and GL3 profile.
+   * @see GLContext#isGL3bc()
    */
   public boolean isGL3bc();
 
   /**
    * Indicates whether this GL object conforms to the OpenGL &ge; 3.1 core profile.
    * The GL3 core profile includes the GL2ES2 profile.
+   * @see GLContext#isGL3()
    */
   public boolean isGL3();
 
   /**
    * Indicates whether this GL object conforms to the OpenGL &le; 3.0 profile.
    * The GL2 profile includes the GL2ES1 and GL2ES2 profile.
+   * @see GLContext#isGL2()
    */
   public boolean isGL2();
 
   /**
    * Indicates whether this GL object conforms to the OpenGL ES1 &ge; 1.0 profile.
+   * @see GLContext#isGLES1()
    */
   public boolean isGLES1();
 
@@ -127,103 +133,205 @@ public interface GLBase {
    * To query whether core ES2 functionality is provided, use {@link #isGLES2Compatible()}.
    * </p> 
    * @see #isGLES2Compatible()
+   * @see GLContext#isGLES2()
    */
   public boolean isGLES2();
 
   /**
+   * Indicates whether this GL object conforms to the OpenGL ES2 &ge; 3.0 profile.
+   * <p>
+   * Remark: ES3 compatible desktop profiles are not included.
+   * To query whether core ES3 functionality is provided, use {@link #isGLES3Compatible()}.
+   * </p> 
+   * @see #isGLES3Compatible()
+   * @see GLContext#isGLES3()
+   */
+  public boolean isGLES3();
+  
+  /**
    * Indicates whether this GL object conforms to one of the OpenGL ES profiles,
    * see {@link #isGLES1()} and {@link #isGLES2()}.
+   * @see GLContext#isGLES()
    */
   public boolean isGLES();
 
   /**
    * Indicates whether this GL object conforms to a GL2ES1 compatible profile.
+   * @see GLContext#isGL2ES1()
    */
   public boolean isGL2ES1();
 
   /**
    * Indicates whether this GL object conforms to a GL2ES2 compatible profile.
+   * @see GLContext#isGL2ES2()
    */
   public boolean isGL2ES2();
 
   /**
+   * Indicates whether this GL object conforms to a GL3ES3 compatible profile.
+   * @see GLContext#isGL3ES3()
+   */
+  public boolean isGL3ES3();
+
+  /**
+   * Returns true if this GL object conforms to a GL4ES3 compatible profile, i.e. if {@link #isGLES3Compatible()} returns true. 
+   * <p>Includes [ GL &ge; 4.3, GL &ge; 3.1 w/ GL_ARB_ES3_compatibility and GLES3 ]</p>
+   * @see GLContext#isGL4ES3()
+   */
+  public boolean isGL4ES3();
+
+  /**
+   * Indicates whether this GL object conforms to a GL2GL3 compatible profile.
+   * @see GLContext#isGL2GL3()
+   */
+  public boolean isGL2GL3();
+
+  /** 
+   * Indicates whether this GL object uses a GL4 core profile. <p>Includes [ GL4 ].</p>
+   * @see GLContext#isGL4core()
+   */
+  public boolean isGL4core();
+  
+  /** 
+   * Indicates whether this GL object uses a GL3 core profile. <p>Includes [ GL4, GL3 ].</p>
+   * @see GLContext#isGL3core()
+   */
+  public boolean isGL3core();
+  
+  /** 
+   * Indicates whether this GL object uses a GL core profile. <p>Includes [ GL4, GL3, GLES3, GL2ES2 ].</p>
+   * @see GLContext#isGLcore()
+   */
+  public boolean isGLcore();
+  
+  /**
    * Indicates whether this GL object is compatible with the core OpenGL ES2 functionality.
    * @return true if this context is an ES2 context or implements 
-   *         the extension <code>GL_ARB_ES2_compatibility</code>, otherwise false 
+   *         the extension <code>GL_ARB_ES2_compatibility</code>, otherwise false
+   * @see GLContext#isGLES2Compatible() 
    */
   public boolean isGLES2Compatible();
 
   /**
-   * Indicates whether this GL object conforms to a GL2GL3 compatible profile.
+   * Indicates whether this GL object is compatible with the core OpenGL ES3 functionality.
+   * <p>
+   * Return true if the underlying context is an ES3 context or implements
+   * the extension <code>GL_ARB_ES3_compatibility</code>, otherwise false.
+   * </p>
+   * <p>
+   * Includes [ GL &ge; 4.3, GL &ge; 3.1 w/ GL_ARB_ES3_compatibility and GLES3 ]
+   * </p>
+   * @see GLContext#isGLES3Compatible() 
    */
-  public boolean isGL2GL3();
+  public boolean isGLES3Compatible();
 
-  /** Indicates whether this GL object supports GLSL. */
+  /** 
+   * Indicates whether this GL object supports GLSL. 
+   * @see GLContext#hasGLSL() 
+   */
   public boolean hasGLSL();
 
   /**
+   * Returns the downstream GL instance in case this is a wrapping pipeline, otherwise <code>null</code>.
+   * <p>
+   * See {@link #getRootGL()} for retrieving the implementing root instance. 
+   * </p>
+   * @throws GLException if the downstream instance is not null and not a GL implementation
+   * @see #getRootGL()
+   */
+  public GL getDownstreamGL() throws GLException;
+  
+  /**
+   * Returns the implementing root instance, considering a wrapped pipelined hierarchy, see {@link #getDownstreamGL()}.
+   * <p>
+   * If this instance is not a wrapping pipeline, i.e. has no downstream instance,
+   * this instance is returned.
+   * </p>
+   * @throws GLException if the root instance is not a GL implementation
+   */
+  public GL getRootGL() throws GLException;
+  
+  /**
    * Casts this object to the GL interface.
-   * @throws GLException if this GLObject is not a GL implementation
+   * @throws GLException if this object is not a GL implementation
    */
   public GL getGL() throws GLException;
 
   /**
    * Casts this object to the GL4bc interface.
-   * @throws GLException if this GLObject is not a GL4bc implementation
+   * @throws GLException if this object is not a GL4bc implementation
    */
   public GL4bc getGL4bc() throws GLException;
 
   /**
    * Casts this object to the GL4 interface.
-   * @throws GLException if this GLObject is not a GL4 implementation
+   * @throws GLException if this object is not a GL4 implementation
    */
   public GL4 getGL4() throws GLException;
 
   /**
    * Casts this object to the GL3bc interface.
-   * @throws GLException if this GLObject is not a GL3bc implementation
+   * @throws GLException if this object is not a GL3bc implementation
    */
   public GL3bc getGL3bc() throws GLException;
 
   /**
    * Casts this object to the GL3 interface.
-   * @throws GLException if this GLObject is not a GL3 implementation
+   * @throws GLException if this object is not a GL3 implementation
    */
   public GL3 getGL3() throws GLException;
 
   /**
    * Casts this object to the GL2 interface.
-   * @throws GLException if this GLObject is not a GL2 implementation
+   * @throws GLException if this object is not a GL2 implementation
    */
   public GL2 getGL2() throws GLException;
 
   /**
    * Casts this object to the GLES1 interface.
-   * @throws GLException if this GLObject is not a GLES1 implementation
+   * @throws GLException if this object is not a GLES1 implementation
    */
   public GLES1 getGLES1() throws GLException;
 
   /**
    * Casts this object to the GLES2 interface.
-   * @throws GLException if this GLObject is not a GLES2 implementation
+   * @throws GLException if this object is not a GLES2 implementation
    */
   public GLES2 getGLES2() throws GLException;
 
   /**
+   * Casts this object to the GLES3 interface.
+   * @throws GLException if this object is not a GLES3 implementation
+   */
+  public GLES3 getGLES3() throws GLException;
+
+  /**
    * Casts this object to the GL2ES1 interface.
-   * @throws GLException if this GLObject is not a GL2ES1 implementation
+   * @throws GLException if this object is not a GL2ES1 implementation
    */
   public GL2ES1 getGL2ES1() throws GLException;
 
   /**
    * Casts this object to the GL2ES2 interface.
-   * @throws GLException if this GLObject is not a GL2ES2 implementation
+   * @throws GLException if this object is not a GL2ES2 implementation
    */
   public GL2ES2 getGL2ES2() throws GLException;
 
   /**
+   * Casts this object to the GL3ES3 interface.
+   * @throws GLException if this object is not a GL3ES3 implementation
+   */
+  public GL3ES3 getGL3ES3() throws GLException;
+
+  /**
+   * Casts this object to the GL4ES3 interface.
+   * @throws GLException if this object is not a GL4ES3 implementation
+   */
+  public GL4ES3 getGL4ES3() throws GLException;
+
+  /**
    * Casts this object to the GL2GL3 interface.
-   * @throws GLException if this GLObject is not a GL2GL3 implementation
+   * @throws GLException if this object is not a GL2GL3 implementation
    */
   public GL2GL3 getGL2GL3() throws GLException;
 
diff --git a/src/jogl/classes/javax/media/opengl/GLContext.java b/src/jogl/classes/javax/media/opengl/GLContext.java
index abafabb1c..aa5fca2c2 100644
--- a/src/jogl/classes/javax/media/opengl/GLContext.java
+++ b/src/jogl/classes/javax/media/opengl/GLContext.java
@@ -42,7 +42,7 @@ package javax.media.opengl;
 
 import java.nio.IntBuffer;
 import java.util.HashMap;
-import java.util.HashSet;
+import java.util.IdentityHashMap;
 import java.util.Iterator;
 import java.util.Set;
 
@@ -73,6 +73,10 @@ import com.jogamp.opengl.GLRendererQuirks;
     refer to a given context. */
 public abstract class GLContext {
   
+  public static final boolean DEBUG = Debug.debug("GLContext");
+  public static final boolean TRACE_SWITCH = Debug.isPropertyDefined("jogl.debug.GLContext.TraceSwitch", true);
+  public static final boolean DEBUG_TRACE_SWITCH = DEBUG || TRACE_SWITCH;  
+
   /** 
    * If <code>true</code> (default), bootstrapping the available GL profiles 
    * will use the highest compatible GL context for each profile, 
@@ -102,10 +106,6 @@ public abstract class GLContext {
   protected static final boolean FORCE_NO_FBO_SUPPORT = Debug.isPropertyDefined("jogl.fbo.force.none", true);
   protected static final boolean FORCE_MIN_FBO_SUPPORT = Debug.isPropertyDefined("jogl.fbo.force.min", true);
   
-  public static final boolean DEBUG = Debug.debug("GLContext");
-  public static final boolean TRACE_SWITCH = Debug.isPropertyDefined("jogl.debug.GLContext.TraceSwitch", true);
-  public static final boolean DEBUG_TRACE_SWITCH = DEBUG || TRACE_SWITCH;  
-
   /** Reflects property jogl.debug.DebugGL. If true, the debug pipeline is enabled at context creation. */
   public static final boolean DEBUG_GL = Debug.isPropertyDefined("jogl.debug.DebugGL", true);
   /** Reflects property jogl.debug.TraceGL. If true, the trace pipeline is enabled at context creation. */
@@ -131,17 +131,30 @@ public abstract class GLContext {
   /* Version 1.50, i.e. GLSL 1.50 for GL 3.2. */
   public static final VersionNumber Version150 = new VersionNumber(1, 50, 0);
   
-  /** Version 3.2. As an OpenGL version, it qualifies for geometry shader */
-  public static final VersionNumber Version32 = new VersionNumber(3, 2, 0);
+  /** Version 3.0. As an OpenGL version, it qualifies for desktop {@link #isGL2()} only, or ES 3.0. */
+  public static final VersionNumber Version300 = new VersionNumber(3, 0, 0);
   
   /** Version 3.1. As an OpenGL version, it qualifies for {@link #isGL3core()}, {@link #isGL3bc()} and {@link #isGL3()} */
-  public static final VersionNumber Version31 = new VersionNumber(3, 1, 0);
+  public static final VersionNumber Version310 = new VersionNumber(3, 1, 0);
   
-  /** Version 3.0. As an OpenGL version, it qualifies for {@link #isGL2()} only */
-  public static final VersionNumber Version30 = new VersionNumber(3, 0, 0);
+  /** Version 3.2. As an OpenGL version, it qualifies for geometry shader */
+  public static final VersionNumber Version320 = new VersionNumber(3, 2, 0);
+  
+  /** Version 4.3. As an OpenGL version, it qualifies for <code>GL_ARB_ES3_compatibility</code> */
+  public static final VersionNumber Version430 = new VersionNumber(4, 3, 0);
   
-  protected static final VersionNumber Version80 = new VersionNumber(8, 0, 0);
+  protected static final VersionNumber Version800 = new VersionNumber(8, 0, 0);
 
+  //
+  // Cached keys, bits [0..15]
+  //
+  
+  /** Context option bits, full bit mask covering bits [0..15], i.e. <code>0x0000FFFF</code>, {@value}. */
+  protected static final int CTX_IMPL_FULL_MASK = 0x0000FFFF;
+  
+  /** Context option bits, cached bit mask covering 9 bits [0..8], i.e. <code>0x000001FF</code>, {@value}. Leaving 7 bits for non cached options, i.e. 9:7. */
+  protected static final int CTX_IMPL_CACHE_MASK = 0x000001FF;
+  
   /** <code>ARB_create_context</code> related: created via ARB_create_context. Cache key value. See {@link #getAvailableContextProperties(AbstractGraphicsDevice, GLProfile)}. */
   protected static final int CTX_IS_ARB_CREATED  = 1 <<  0;
   /** <code>ARB_create_context</code> related: desktop compatibility profile. Cache key value. See {@link #isGLCompatibilityProfile()}, {@link #getAvailableContextProperties(AbstractGraphicsDevice, GLProfile)}. */
@@ -154,20 +167,36 @@ public abstract class GLContext {
   protected static final int CTX_OPTION_FORWARD  = 1 <<  4;
   /** <code>ARB_create_context</code> related: flag debug. Cache key value. See {@link #setContextCreationFlags(int)}, {@link GLAutoDrawable#setContextCreationFlags(int)}, {@link #getAvailableContextProperties(AbstractGraphicsDevice, GLProfile)}. */
   public static final int CTX_OPTION_DEBUG       = 1 <<  5;
+  /** Context uses software rasterizer, otherwise hardware rasterizer. Cache key value. See {@link #isHardwareRasterizer()}, {@link #getAvailableContextProperties(AbstractGraphicsDevice, GLProfile)}. */
+  protected static final int CTX_IMPL_ACCEL_SOFT = 1 <<  6;
 
+  //
+  // Non cached keys, bits [9..15]
+  //
+  
   /** <code>GL_ARB_ES2_compatibility</code> implementation related: Context is compatible w/ ES2. Not a cache key. See {@link #isGLES2Compatible()}, {@link #getAvailableContextProperties(AbstractGraphicsDevice, GLProfile)}. */
-  protected static final int CTX_IMPL_ES2_COMPAT = 1 <<  8;
+  protected static final int CTX_IMPL_ES2_COMPAT = 1 <<  9;
 
-  /** Context supports basic FBO, details see {@link #hasBasicFBOSupport()}.
+  /** <code>GL_ARB_ES3_compatibility</code> implementation related: Context is compatible w/ ES3. Not a cache key. See {@link #isGLES3Compatible()}, {@link #getAvailableContextProperties(AbstractGraphicsDevice, GLProfile)}. */
+  protected static final int CTX_IMPL_ES3_COMPAT = 1 << 10;
+  
+  /** 
+   * Context supports basic FBO, details see {@link #hasBasicFBOSupport()}.
    * Not a cache key.
    * @see #hasBasicFBOSupport()
    * @see #getAvailableContextProperties(AbstractGraphicsDevice, GLProfile)
    */
-  protected static final int CTX_IMPL_FBO        = 1 <<  9;
-
-  /** Context uses software rasterizer, otherwise hardware rasterizer. Cache key value. See {@link #isHardwareRasterizer()}, {@link #getAvailableContextProperties(AbstractGraphicsDevice, GLProfile)}. */
-  protected static final int CTX_IMPL_ACCEL_SOFT = 1 << 15;
+  protected static final int CTX_IMPL_FBO        = 1 << 11;
 
+  /** 
+   * Context supports <code>OES_single_precision</code>, fp32, fixed function point (FFP) compatibility entry points, 
+   * see {@link #hasFP32CompatAPI()}.
+   * Not a cache key.
+   * @see #hasFP32CompatAPI()
+   * @see #getAvailableContextProperties(AbstractGraphicsDevice, GLProfile)
+   */
+  protected static final int CTX_IMPL_FP32_COMPAT_API = 1 << 12;
+  
   private static final ThreadLocal<GLContext> currentContext = new ThreadLocal<GLContext>();
 
   private final HashMap<String, Object> attachedObjects = new HashMap<String, Object>();
@@ -481,6 +510,17 @@ public abstract class GLContext {
   public abstract void destroy();
 
   /**
+   * Returns the implementing root GL instance of this GLContext's GL object, 
+   * considering a wrapped pipelined hierarchy, see {@link GLBase#getDownstreamGL()}.
+   * @throws GLException if the root instance is not a GL implementation
+   * @see GLBase#getRootGL()
+   * @see GLBase#getDownstreamGL()
+   * @see #getGL()
+   * @see #setGL(GL)
+   */
+  public abstract GL getRootGL();
+  
+  /**
    * Returns the GL pipeline object for this GLContext.
    *
    * @return the aggregated GL instance, or null if this context was not yet made current.
@@ -671,10 +711,6 @@ public abstract class GLContext {
     return ctxVersionString;
   }
 
-  /** @deprecated Use {@link #getGLVersionNumber()} */
-  public final int getGLVersionMajor() { return ctxVersion.getMajor(); }
-  /** @deprecated Use {@link #getGLVersionNumber()} */
-  public final int getGLVersionMinor() { return ctxVersion.getMinor(); }
   /**
    * Returns this context OpenGL version. 
    * @see #getGLSLVersionNumber() 
@@ -729,9 +765,19 @@ public abstract class GLContext {
   
   /**
    * Returns the GLSL version string as to be used in a shader program, including a terminating newline '\n',
-   * i.e.:
+   * i.e. for desktop
    * <pre>
    *    #version 110
+   *    ..
+   *    #version 150
+   *    #version 330
+   *    ...
+   * </pre>
+   * And for ES:
+   * <pre>
+   *    #version 100
+   *    #version 300 es
+   *    ..
    * </pre>
    * <p>
    * If context has not been made current yet, a string of zero length is returned.
@@ -743,14 +789,17 @@ public abstract class GLContext {
           return "";
       }
       final int minor = ctxGLSLVersion.getMinor();
-      return "#version " + ctxGLSLVersion.getMajor() + ( minor < 10 ? "0"+minor : minor ) + "\n" ;
+      final String esSuffix = isGLES() && ctxGLSLVersion.compareTo(Version300) >= 0 ? " es" : ""; 
+      return "#version " + ctxGLSLVersion.getMajor() + ( minor < 10 ? "0"+minor : minor ) + esSuffix + "\n" ;
   }
   
   protected static final VersionNumber getStaticGLSLVersionNumber(int glMajorVersion, int glMinorVersion, int ctxOptions) {
       if( 0 != ( CTX_PROFILE_ES & ctxOptions ) ) {
-          return Version100;      // ES 2.0  ->  GLSL 1.00
+          if( 3 > glMajorVersion ) {
+              return Version100;           // ES 2.0  ->  GLSL 1.00
+          }
       } else if( 1 == glMajorVersion ) {
-          return Version110;      // GL 1.x  ->  GLSL 1.10
+          return Version110;               // GL 1.x  ->  GLSL 1.10
       } else if( 2 == glMajorVersion ) {
           switch ( glMinorVersion ) {
               case 0:  return Version110;  // GL 2.0  ->  GLSL 1.10
@@ -758,21 +807,32 @@ public abstract class GLContext {
           }
       } else if( 3 == glMajorVersion && 2 >= glMinorVersion ) {
           switch ( glMinorVersion ) {
-          case 0:  return Version130;  // GL 3.0  ->  GLSL 1.30
-          case 1:  return Version140;  // GL 3.1  ->  GLSL 1.40
-          default: return Version150;  // GL 3.2  ->  GLSL 1.50 
+              case 0:  return Version130;  // GL 3.0  ->  GLSL 1.30
+              case 1:  return Version140;  // GL 3.1  ->  GLSL 1.40
+              default: return Version150;  // GL 3.2  ->  GLSL 1.50 
           }
-      } else { // >= 3.3
-          return new VersionNumber(glMajorVersion, glMinorVersion * 10, 0); // GL M.N  ->  GLSL M.N
       }
+      // The new default: GL >= 3.3, ES >= 3.0
+      return new VersionNumber(glMajorVersion, glMinorVersion * 10, 0); // GL M.N  ->  GLSL M.N
   }
   
   /**
    * @return true if this context is an ES2 context or implements
-   *         the extension <code>GL_ARB_ES2_compatibility</code>, otherwise false
+   *         the extension <code>GL_ARB_ES3_compatibility</code> or <code>GL_ARB_ES2_compatibility</code>, otherwise false
    */
   public final boolean isGLES2Compatible() {
-      return 0 != ( ctxOptions & CTX_IMPL_ES2_COMPAT ) ;
+      return 0 != ( ctxOptions & ( CTX_IMPL_ES3_COMPAT | CTX_IMPL_ES2_COMPAT ) ) ;
+  }
+
+  /**
+   * Return true if this context is an ES3 context or implements
+   * the extension <code>GL_ARB_ES3_compatibility</code>, otherwise false.
+   * <p>
+   * Includes [ GL &ge; 4.3, GL &ge; 3.1 w/ GL_ARB_ES3_compatibility and GLES3 ]
+   * </p>
+   */
+  public final boolean isGLES3Compatible() {
+      return 0 != ( ctxOptions & CTX_IMPL_ES3_COMPAT ) ;
   }
 
   /** 
@@ -811,6 +871,15 @@ public abstract class GLContext {
   }
 
   /** 
+   * Returns <code>true</code> if <code>OES_single_precision</code>, fp32, fixed function point (FFP) compatibility entry points available, 
+   * otherwise <code>false</code>.
+   * @see #CTX_IMPL_FP32_COMPAT_API
+   */
+  public final boolean hasFP32CompatAPI() {
+      return 0 != ( ctxOptions & CTX_IMPL_FP32_COMPAT_API ) ;
+  }
+  
+  /** 
    * Returns <code>true</code> if full FBO support is available, otherwise <code>false</code>.
    * <p>
    * Full FBO is supported if the context is either GL >= core 3.0 or implements the extensions
@@ -866,78 +935,198 @@ public abstract class GLContext {
              isExtensionAvailable(GLExtensions.IMG_texture_format_BGRA8888) ;
   }
 
-  /** @see GLProfile#isGL4bc() */
+  /** 
+   * Indicates whether this GLContext is capable of GL4bc.  <p>Includes [ GL4bc ].</p>
+   * @see GLProfile#isGL4bc() 
+   */
   public final boolean isGL4bc() {
-      return ctxVersion.getMajor() >= 4 && 0 != (ctxOptions & CTX_IS_ARB_CREATED)
-                                        && 0 != (ctxOptions & CTX_PROFILE_COMPAT);
+      return 0 != (ctxOptions & CTX_IS_ARB_CREATED) &&
+             0 != (ctxOptions & CTX_PROFILE_COMPAT) &&
+             ctxVersion.getMajor() >= 4;
   }
 
-  /** @see GLProfile#isGL4() */
+  /** 
+   * Indicates whether this GLContext is capable of GL4.    <p>Includes [ GL4bc, GL4 ].</p>
+   * @see GLProfile#isGL4() 
+   */
   public final boolean isGL4() {
-      return ctxVersion.getMajor() >= 4 && 0 != (ctxOptions & CTX_IS_ARB_CREATED)
-                                        && 0 != (ctxOptions & (CTX_PROFILE_COMPAT|CTX_PROFILE_CORE));
+      return 0 != (ctxOptions & CTX_IS_ARB_CREATED) &&
+             0 != (ctxOptions & (CTX_PROFILE_COMPAT|CTX_PROFILE_CORE)) &&
+             ctxVersion.getMajor() >= 4;
   }
 
-  /** Indicates whether this profile is capable of GL4 (core only). <p>Includes [ GL4 ].</p> */
+  /** 
+   * Indicates whether this GLContext uses a GL4 core profile. <p>Includes [ GL4 ].</p>
+   */
   public final boolean isGL4core() {
-      return ctxVersion.getMajor() >= 4 && 0 != (ctxOptions & CTX_IS_ARB_CREATED)
-                                        && 0 != (ctxOptions & CTX_PROFILE_CORE);
+      return 0 != ( ctxOptions & CTX_IS_ARB_CREATED ) &&
+             0 != ( ctxOptions & CTX_PROFILE_CORE ) &&
+             ctxVersion.getMajor() >= 4;
   }
   
-  /** @see GLProfile#isGL3bc() */
+  /** 
+   * Indicates whether this GLContext is capable of GL3bc.  <p>Includes [ GL4bc, GL3bc ].</p>
+   * @see GLProfile#isGL3bc() 
+   */
   public final boolean isGL3bc() {
-      return ctxVersion.compareTo(Version31) >= 0
-             && 0 != (ctxOptions & CTX_IS_ARB_CREATED)
-             && 0 != (ctxOptions & CTX_PROFILE_COMPAT);
+      return 0 != (ctxOptions & CTX_IS_ARB_CREATED) &&
+             0 != (ctxOptions & CTX_PROFILE_COMPAT) &&
+             ctxVersion.compareTo(Version310) >= 0 ;
   }
 
-  /** @see GLProfile#isGL3() */
+  /** 
+   * Indicates whether this GLContext is capable of GL3.    <p>Includes [ GL4bc, GL4, GL3bc, GL3 ].</p>
+   * @see GLProfile#isGL3() 
+   */
   public final boolean isGL3() {
-      return ctxVersion.compareTo(Version31) >= 0
-             && 0 != (ctxOptions & CTX_IS_ARB_CREATED)
-             && 0 != (ctxOptions & (CTX_PROFILE_COMPAT|CTX_PROFILE_CORE));
-  }
+      return 0 != (ctxOptions & CTX_IS_ARB_CREATED) &&
+             0 != (ctxOptions & (CTX_PROFILE_COMPAT|CTX_PROFILE_CORE)) &&
+             ctxVersion.compareTo(Version310) >= 0 ;
+  }  
   
-  /** Indicates whether this profile is capable of GL3 (core only). GL3 starts w/ OpenGL 3.1 <p>Includes [ GL4, GL3 ].</p> */
+  /** 
+   * Indicates whether this GLContext uses a GL3 core profile. <p>Includes [ GL4, GL3 ].</p>
+   */
   public final boolean isGL3core() {
-      return ctxVersion.compareTo(Version31) >= 0
-             && 0 != (ctxOptions & CTX_IS_ARB_CREATED)
-             && 0 != (ctxOptions & CTX_PROFILE_CORE);
+      return 0 != ( ctxOptions & CTX_IS_ARB_CREATED ) &&
+             0 != ( ctxOptions & CTX_PROFILE_CORE ) &&
+             ctxVersion.compareTo(Version310) >= 0;
+  }
+  
+  /** 
+   * Indicates whether this GLContext uses a GL core profile. <p>Includes [ GL4, GL3, GLES3, GL2ES2 ].</p>
+   */
+  public final boolean isGLcore() {
+      return ( 0 != ( ctxOptions & CTX_PROFILE_ES ) && ctxVersion.getMajor() >= 2 ) ||
+             ( 0 != ( ctxOptions & CTX_IS_ARB_CREATED ) &&
+               0 != ( ctxOptions & CTX_PROFILE_CORE ) &&
+               ctxVersion.compareTo(Version310) >= 0
+             ) ;
+  }
+  
+  /** 
+   * Indicates whether this GLContext's native profile does not implement a default <i>vertex array object</i> (VAO), 
+   * starting w/ OpenGL 3.1 core and GLES3.
+   * <p>Includes [ GL4, GL3, GLES3 ].</p>
+   * <pre>
+     Due to GL 3.1 core spec: E.1. DEPRECATED AND REMOVED FEATURES (p 296),
+            GL 3.2 core spec: E.2. DEPRECATED AND REMOVED FEATURES (p 331)
+     there is no more default VAO buffer 0 bound, hence generating and binding one
+     to avoid INVALID_OPERATION at VertexAttribPointer. 
+     More clear is GL 4.3 core spec: 10.4 (p 307).
+   * </pre>
+   * <pre>
+     GLES3 is included, since upcoming ES releases &gt; 3.0 may behave the same:
+            GL ES 3.0 spec F.1. Legacy Features (p 322).
+   * </pre>
+   * <p>
+   * If no default VAO is implemented in the native OpenGL profile,
+   * an own default VAO is being used, see {@link #getDefaultVAO()}.
+   * </p>
+   * @see #getDefaultVAO()
+   */
+  public final boolean hasNoDefaultVAO() {
+      return ( 0 != ( ctxOptions & CTX_PROFILE_ES ) && ctxVersion.getMajor() >= 3 ) ||
+             ( 0 != ( ctxOptions & CTX_IS_ARB_CREATED ) &&
+               0 != ( ctxOptions & CTX_PROFILE_CORE ) &&
+               ctxVersion.compareTo(Version310) >= 0
+             ) ;
   }
   
-  /** @see GLProfile#isGL2() */
+  /**
+   * If this GLContext does not implement a default VAO, see {@link #hasNoDefaultVAO()},
+   * an <i>own default VAO</i> will be created and bound at context creation.
+   * <p>
+   * If this GLContext does implement a default VAO, i.e. {@link #hasNoDefaultVAO()}
+   * returns <code>false</code>, this method returns <code>0</code>.
+   * </p> 
+   * <p>
+   * Otherwise this method returns the VAO object name
+   * representing this GLContext's <i>own default VAO</i>.  
+   * </p> 
+   * @see #hasNoDefaultVAO()
+   */
+  public abstract int getDefaultVAO();
+
+  /** 
+   * Indicates whether this GLContext is capable of GL2.    <p>Includes [ GL4bc, GL3bc, GL2  ].</p>
+   * @see GLProfile#isGL2() 
+   */
   public final boolean isGL2() {
-      return ctxVersion.getMajor()>=1 && 0!=(ctxOptions & CTX_PROFILE_COMPAT);
+      return 0 != ( ctxOptions & CTX_PROFILE_COMPAT ) && ctxVersion.getMajor()>=1 ;
   }
 
-  /** @see GLProfile#isGL2GL3() */  
+  /** 
+   * Indicates whether this GLContext is capable of GL2GL3. <p>Includes [ GL4bc, GL4, GL3bc, GL3, GL2, GL2GL3 ].</p>
+   * @see GLProfile#isGL2GL3() 
+   */  
   public final boolean isGL2GL3() {
       return isGL2() || isGL3();
   }
 
-  /** @see GLProfile#isGLES1() */
+  /** 
+   * Indicates whether this GLContext is capable of GLES1.  <p>Includes [ GLES1 ].</p>
+   * @see GLProfile#isGLES1() 
+   */
   public final boolean isGLES1() {
-      return ctxVersion.getMajor() == 1 && 0 != ( ctxOptions & CTX_PROFILE_ES ) ;
+      return 0 != ( ctxOptions & CTX_PROFILE_ES ) && ctxVersion.getMajor() == 1 ;
   }
 
-  /** @see GLProfile#isGLES2() */
+  /**
+   * Indicates whether this GLContext is capable of GLES2.  <p>Includes [ GLES3, GLES2 ].</p> 
+   * @see GLProfile#isGLES2() 
+   */
   public final boolean isGLES2() {
-      return ctxVersion.getMajor() == 2 && 0 != ( ctxOptions & CTX_PROFILE_ES ) ;
+      return 0 != ( ctxOptions & CTX_PROFILE_ES ) && ctxVersion.getMajor() >= 2 ;
+  }
+
+  /** 
+   * Indicates whether this GLContext is capable of GLES3.  <p>Includes [ GLES3 ].</p>
+   * @see GLProfile#isGLES3() 
+   */
+  public final boolean isGLES3() {
+      return 0 != ( ctxOptions & CTX_PROFILE_ES ) && ctxVersion.getMajor() >= 3 ;
   }
 
-  /** @see GLProfile#isGLES() */
+  /** 
+   * Indicates whether this GLContext is capable of GLES.  <p>Includes [ GLES3, GLES1, GLES2 ].</p>
+   * @see GLProfile#isGLES() 
+   */
   public final boolean isGLES() {
       return 0 != ( CTX_PROFILE_ES & ctxOptions ) ;
   }
 
-  /** @see GLProfile#isGL2ES1() */
+  /** 
+   * Indicates whether this GLContext is capable of GL2ES1. <p>Includes [ GL4bc, GL3bc, GL2, GLES1, GL2ES1 ].</p>
+   * @see GLProfile#isGL2ES1() 
+   */
   public final boolean isGL2ES1() {
-      return isGL2() || isGLES1() ;
+      return isGLES1() || isGL2();
   }
 
-  /** @see GLProfile#isGL2ES2() */
+  /** 
+   * Indicates whether this GLContext is capable of GL2ES2. <p>Includes [ GL4bc, GL4, GL3bc, GL3, GLES3, GL2, GL2GL3, GL2ES2, GLES2 ].</p>
+   * @see GLProfile#isGL2ES2() 
+   */
   public final boolean isGL2ES2() {
-      return isGL2GL3() || isGLES2() ;
+      return isGLES2() || isGL2GL3();
+  }
+
+  /** 
+   * Indicates whether this GLContext is capable of GL3ES3. <p>Includes [ GL4bc, GL4, GL3bc, GL3, GLES3 ].</p>
+   * @see GLProfile#isGL3ES3() 
+   */
+  public final boolean isGL3ES3() {
+      return isGL4ES3() || isGL3();
+  }
+
+  /** 
+   * Returns true if this profile is capable of GL4ES3, i.e. if {@link #isGLES3Compatible()} returns true. 
+   * <p>Includes [ GL &ge; 4.3, GL &ge; 3.1 w/ GL_ARB_ES3_compatibility and GLES3 ]</p>
+   * @see GLProfile#isGL4ES3()
+   */
+  public final boolean isGL4ES3() {
+      return isGLES3Compatible() ;
   }
 
   /**
@@ -1148,38 +1337,73 @@ public abstract class GLContext {
       /* 1.*/ { 0, 1, 2, 3, 4, 5 },
       /* 2.*/ { 0, 1 },
       /* 3.*/ { 0, 1, 2, 3 },
-      /* 4.*/ { 0, 1, 2 } };
+      /* 4.*/ { 0, 1, 2, 3 } };
+
+  public static final int ES_VERSIONS[][] = {
+      /* 0.*/ { -1 },
+      /* 1.*/ { 0, 1 },
+      /* 2.*/ { 0 },
+      /* 3.*/ { 0 } };
 
-  public static final int getMaxMajor() {
-      return GL_VERSIONS.length-1;
+  public static final int getMaxMajor(int ctxProfile) {
+      return ( 0 != ( CTX_PROFILE_ES & ctxProfile ) ) ? ES_VERSIONS.length-1 : GL_VERSIONS.length-1;
   }
 
-  public static final int getMaxMinor(int major) {
-      if(1>major || major>=GL_VERSIONS.length) return -1;
-      return GL_VERSIONS[major].length-1;
+  public static final int getMaxMinor(int ctxProfile, int major) {
+      if( 1>major ) {
+          return -1;
+      }
+      if( ( 0 != ( CTX_PROFILE_ES & ctxProfile ) ) ) {
+          if( major>=ES_VERSIONS.length ) return -1;
+          return ES_VERSIONS[major].length-1;
+      } else {
+          if( major>=GL_VERSIONS.length ) return -1;
+          return GL_VERSIONS[major].length-1;
+      }
   }
 
-  public static final boolean isValidGLVersion(int major, int minor) {
-      if(1>major || major>=GL_VERSIONS.length) return false;
-      if(0>minor || minor>=GL_VERSIONS[major].length) return false;
+  public static final boolean isValidGLVersion(int ctxProfile, int major, int minor) {
+      if( 1>major || 0>minor ) {
+          return false;
+      }
+      if( ( 0 != ( CTX_PROFILE_ES & ctxProfile ) ) ) {
+          if( major>=ES_VERSIONS.length) return false;
+          if( minor>=ES_VERSIONS[major].length) return false;
+      } else {
+          if( major>=GL_VERSIONS.length) return false;
+          if( minor>=GL_VERSIONS[major].length) return false;
+      }
       return true;
   }
 
-  public static final boolean decrementGLVersion(int major[], int minor[]) {
+  public static final boolean decrementGLVersion(int ctxProfile, int major[], int minor[]) {
       if(null==major || major.length<1 ||null==minor || minor.length<1) {
           throw new GLException("invalid array arguments");
       }
       int m = major[0];
       int n = minor[0];
-      if(!isValidGLVersion(m, n)) return false;
+      if( !isValidGLVersion(ctxProfile, m, n) ) {
+          return false;
+      }
 
       // decrement ..
       n -= 1;
       if(n < 0) {
-          m -= 1;
-          n = GL_VERSIONS[m].length-1;
+          if( ( 0 != ( CTX_PROFILE_ES & ctxProfile ) ) ) {
+              if( m >= 3) {
+                  m -= 1;
+              } else {
+                  m = 0; // major decr [1,2] -> 0
+              }
+              n = ES_VERSIONS[m].length-1;
+          } else {
+              m -= 1;
+              n = GL_VERSIONS[m].length-1;
+          }
+      }
+      if( !isValidGLVersion(ctxProfile, m, n) ) {
+          return false;
       }
-      if(!isValidGLVersion(m, n)) return false;
       major[0]=m;
       minor[0]=n;
 
@@ -1209,12 +1433,12 @@ public abstract class GLContext {
   /**
    * @see #getDeviceVersionAvailableKey(javax.media.nativewindow.AbstractGraphicsDevice, int, int)
    */
-  protected static /*final*/ HashMap<String, Integer> deviceVersionAvailable = new HashMap<String, Integer>();
+  protected static final IdentityHashMap<String, Integer> deviceVersionAvailable = new IdentityHashMap<String, Integer>();
 
   /**
    * @see #getUniqueDeviceString(javax.media.nativewindow.AbstractGraphicsDevice)
    */
-  private static /*final*/ HashSet<String> deviceVersionsAvailableSet = new HashSet<String>();
+  private static final IdentityHashMap<String, String> deviceVersionsAvailableSet = new IdentityHashMap<String, String>();
 
   /** clears the device/context mappings as well as the GL/GLX proc address tables. */
   protected static void shutdown() {
@@ -1225,17 +1449,16 @@ public abstract class GLContext {
 
   protected static boolean getAvailableGLVersionsSet(AbstractGraphicsDevice device) {
       synchronized ( deviceVersionsAvailableSet ) {
-        return deviceVersionsAvailableSet.contains(device.getUniqueID());
+        return deviceVersionsAvailableSet.containsKey(device.getUniqueID());
       }
   }
 
   protected static void setAvailableGLVersionsSet(AbstractGraphicsDevice device) {
       synchronized ( deviceVersionsAvailableSet ) {
-          String devKey = device.getUniqueID();
-          if ( deviceVersionsAvailableSet.contains(devKey) ) {
+          final String devKey = device.getUniqueID();
+          if( null != deviceVersionsAvailableSet.put(devKey, devKey) ) {
               throw new InternalError("Already set: "+devKey);
           }
-          deviceVersionsAvailableSet.add(devKey);
           if (DEBUG) {
             System.err.println(getThreadName() + ": createContextARB: SET mappedVersionsAvailableSet "+devKey);
             System.err.println(GLContext.dumpAvailableGLVersions(null).toString());            
@@ -1243,8 +1466,13 @@ public abstract class GLContext {
       }
   }
 
+  /** 
+   * Returns a unique String object using {@link String#intern()} for the given arguments, 
+   * which object reference itself can be used as a key.
+   */
   protected static String getDeviceVersionAvailableKey(AbstractGraphicsDevice device, int major, int profile) {
-      return device.getUniqueID() + "-" + toHexString(composeBits(major, profile, 0));
+      final String r = device.getUniqueID() + "-" + toHexString(composeBits(major, profile, 0));
+      return r.intern();
   }
 
   /**
@@ -1272,16 +1500,16 @@ public abstract class GLContext {
         System.err.println("GLContext.mapAvailableGLVersion: "+device+": "+getGLVersion(reqMajor, 0, profile, null)+" -> "+getGLVersion(resMajor, resMinor, resCtp, null));
         // Thread.dumpStack();
     }
-    final String key = getDeviceVersionAvailableKey(device, reqMajor, profile);
+    final String objectKey = getDeviceVersionAvailableKey(device, reqMajor, profile);
     final Integer val = new Integer(composeBits(resMajor, resMinor, resCtp));
     synchronized(deviceVersionAvailable) {
-        return deviceVersionAvailable.put( key, val );
+        return deviceVersionAvailable.put( objectKey, val );
     }
   }
 
-  protected static StringBuffer dumpAvailableGLVersions(StringBuffer sb) {
+  protected static StringBuilder dumpAvailableGLVersions(StringBuilder sb) {
     if(null == sb) {
-        sb = new StringBuffer();
+        sb = new StringBuilder();
     }
     synchronized(deviceVersionAvailable) {
         final Set<String> keys = deviceVersionAvailable.keySet();
@@ -1315,10 +1543,10 @@ public abstract class GLContext {
    * @return the available GL version as encoded with {@link #composeBits(int, int, int), otherwise <code>null</code>
    */
   protected static Integer getAvailableGLVersion(AbstractGraphicsDevice device, int reqMajor, int reqProfile)  {
-    String key = getDeviceVersionAvailableKey(device, reqMajor, reqProfile);
+    final String objectKey = getDeviceVersionAvailableKey(device, reqMajor, reqProfile);
     Integer val;
     synchronized(deviceVersionAvailable) {
-        val = deviceVersionAvailable.get( key );
+        val = deviceVersionAvailable.get( objectKey );
     }
     return val;
   }
@@ -1377,9 +1605,9 @@ public abstract class GLContext {
    */
   protected static final void getRequestMajorAndCompat(final GLProfile glp, int[/*2*/] reqMajorCTP) {
     final GLProfile glpImpl = glp.getImpl();
-    if(glpImpl.isGL4()) {
+    if( glpImpl.isGL4() ) {
         reqMajorCTP[0]=4;
-    } else if (glpImpl.isGL3()) {
+    } else if ( glpImpl.isGL3() || glpImpl.isGLES3() ) {
         reqMajorCTP[0]=3;
     } else if (glpImpl.isGLES1()) {
         reqMajorCTP[0]=1;
@@ -1504,6 +1732,34 @@ public abstract class GLContext {
       return isGLVersionAvailable(device, 2, GLContext.CTX_PROFILE_ES, isHardware);
   }
 
+  public static boolean isGLES3Available(AbstractGraphicsDevice device, boolean isHardware[]) {
+      return isGLVersionAvailable(device, 3, GLContext.CTX_PROFILE_ES, isHardware);
+  }
+
+  /**
+   * Returns true if a ES3 compatible profile is available,
+   * i.e. either a &ge; 4.3 context or a &ge; 3.1 context supporting <code>GL_ARB_ES3_compatibility</code>,
+   * otherwise false.
+   * <p>
+   * Includes [ GL &ge; 4.3, GL &ge; 3.1 w/ GL_ARB_ES3_compatibility and GLES3 ]
+   * </p>
+   */
+  public static final boolean isGLES3CompatibleAvailable(AbstractGraphicsDevice device) {
+      int major[] = { 0 };
+      int minor[] = { 0 };
+      int ctp[] = { 0 };
+      boolean ok;
+      
+      ok = GLContext.getAvailableGLVersion(device, 3, GLContext.CTX_PROFILE_ES, major, minor, ctp);
+      if( !ok ) {
+          ok = GLContext.getAvailableGLVersion(device, 3, GLContext.CTX_PROFILE_CORE, major, minor, ctp);
+      }
+      if( !ok ) {
+          ok = GLContext.getAvailableGLVersion(device, 3, GLContext.CTX_PROFILE_COMPAT, major, minor, ctp);
+      }
+      return 0 != ( ctp[0] & CTX_IMPL_ES3_COMPAT );
+  }
+    
   public static boolean isGL4bcAvailable(AbstractGraphicsDevice device, boolean isHardware[]) {
       return isGLVersionAvailable(device, 4, CTX_PROFILE_COMPAT, isHardware);
   }
@@ -1532,13 +1788,15 @@ public abstract class GLContext {
     sb.append(minor);
     sb.append(" (");
     needColon = appendString(sb, "ES profile",            needColon, 0 != ( CTX_PROFILE_ES & ctp ));
-    needColon = appendString(sb, "Compatibility profile", needColon, 0 != ( CTX_PROFILE_COMPAT & ctp ));
+    needColon = appendString(sb, "Compat profile",        needColon, 0 != ( CTX_PROFILE_COMPAT & ctp ));
     needColon = appendString(sb, "Core profile",          needColon, 0 != ( CTX_PROFILE_CORE & ctp ));
     needColon = appendString(sb, "forward",               needColon, 0 != ( CTX_OPTION_FORWARD & ctp ));
     needColon = appendString(sb, "arb",                   needColon, 0 != ( CTX_IS_ARB_CREATED & ctp ));
     needColon = appendString(sb, "debug",                 needColon, 0 != ( CTX_OPTION_DEBUG & ctp ));
-    needColon = appendString(sb, "ES2 compatible",        needColon, 0 != ( CTX_IMPL_ES2_COMPAT & ctp ));
+    needColon = appendString(sb, "ES2 compat",            needColon, 0 != ( CTX_IMPL_ES2_COMPAT & ctp ));
+    needColon = appendString(sb, "ES3 compat",            needColon, 0 != ( CTX_IMPL_ES3_COMPAT & ctp ));
     needColon = appendString(sb, "FBO",                   needColon, 0 != ( CTX_IMPL_FBO & ctp ));
+    needColon = appendString(sb, "FP32 compat-api",       needColon, 0 != ( CTX_IMPL_FP32_COMPAT_API & ctp ));
     if( 0 != ( CTX_IMPL_ACCEL_SOFT & ctp ) ) {
         needColon = appendString(sb, "software",          needColon, true);
     } else {
diff --git a/src/jogl/classes/javax/media/opengl/GLDebugMessage.java b/src/jogl/classes/javax/media/opengl/GLDebugMessage.java
index 3ab0683c6..f8959e653 100644
--- a/src/jogl/classes/javax/media/opengl/GLDebugMessage.java
+++ b/src/jogl/classes/javax/media/opengl/GLDebugMessage.java
@@ -73,8 +73,8 @@ public class GLDebugMessage {
         // AMD category == ARB source/type
         switch(amdDbgCategory) {
             case GL2GL3.GL_DEBUG_CATEGORY_API_ERROR_AMD: 
-                dbgSource = GL2GL3.GL_DEBUG_SOURCE_API_ARB;
-                dbgType = GL2GL3.GL_DEBUG_TYPE_ERROR_ARB; 
+                dbgSource = GL2GL3.GL_DEBUG_SOURCE_API;
+                dbgType = GL2GL3.GL_DEBUG_TYPE_ERROR; 
                 break;
 
             //
@@ -82,18 +82,18 @@ public class GLDebugMessage {
             //
                 
             case GL2GL3.GL_DEBUG_CATEGORY_WINDOW_SYSTEM_AMD: 
-                dbgSource = GL2GL3.GL_DEBUG_SOURCE_WINDOW_SYSTEM_ARB;
-                dbgType = GL2GL3.GL_DEBUG_TYPE_OTHER_ARB; 
+                dbgSource = GL2GL3.GL_DEBUG_SOURCE_WINDOW_SYSTEM;
+                dbgType = GL2GL3.GL_DEBUG_TYPE_OTHER; 
                 break;
                 
             case GL2GL3.GL_DEBUG_CATEGORY_SHADER_COMPILER_AMD:
-                dbgSource = GL2GL3.GL_DEBUG_SOURCE_SHADER_COMPILER_ARB;
-                dbgType = GL2GL3.GL_DEBUG_TYPE_OTHER_ARB; 
+                dbgSource = GL2GL3.GL_DEBUG_SOURCE_SHADER_COMPILER;
+                dbgType = GL2GL3.GL_DEBUG_TYPE_OTHER; 
                 break;
                 
             case GL2GL3.GL_DEBUG_CATEGORY_APPLICATION_AMD:
-                dbgSource = GL2GL3.GL_DEBUG_SOURCE_APPLICATION_ARB;
-                dbgType = GL2GL3.GL_DEBUG_TYPE_OTHER_ARB;
+                dbgSource = GL2GL3.GL_DEBUG_SOURCE_APPLICATION;
+                dbgType = GL2GL3.GL_DEBUG_TYPE_OTHER;
                 break;
                 
                 
@@ -102,24 +102,24 @@ public class GLDebugMessage {
             //
                 
             case GL2GL3.GL_DEBUG_CATEGORY_DEPRECATION_AMD:
-                dbgSource = GL2GL3.GL_DEBUG_SOURCE_OTHER_ARB;
-                dbgType = GL2GL3.GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB; 
+                dbgSource = GL2GL3.GL_DEBUG_SOURCE_OTHER;
+                dbgType = GL2GL3.GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR; 
                 break;
                 
             case GL2GL3.GL_DEBUG_CATEGORY_UNDEFINED_BEHAVIOR_AMD:
-                dbgSource = GL2GL3.GL_DEBUG_SOURCE_OTHER_ARB;
-                dbgType = GL2GL3.GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB; 
+                dbgSource = GL2GL3.GL_DEBUG_SOURCE_OTHER;
+                dbgType = GL2GL3.GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR; 
                 break;
                 
             case GL2GL3.GL_DEBUG_CATEGORY_PERFORMANCE_AMD:
-                dbgSource = GL2GL3.GL_DEBUG_SOURCE_OTHER_ARB;
-                dbgType = GL2GL3.GL_DEBUG_TYPE_PERFORMANCE_ARB; 
+                dbgSource = GL2GL3.GL_DEBUG_SOURCE_OTHER;
+                dbgType = GL2GL3.GL_DEBUG_TYPE_PERFORMANCE; 
                 break;
                 
             case GL2GL3.GL_DEBUG_CATEGORY_OTHER_AMD: 
             default:
-                dbgSource = GL2GL3.GL_DEBUG_SOURCE_OTHER_ARB;
-                dbgType = GL2GL3.GL_DEBUG_TYPE_OTHER_ARB;
+                dbgSource = GL2GL3.GL_DEBUG_SOURCE_OTHER;
+                dbgType = GL2GL3.GL_DEBUG_TYPE_OTHER;
         }
         
         return new GLDebugMessage(source, when, dbgSource, dbgType, dbgId, dbgSeverity, dbgMsg);        
@@ -127,24 +127,24 @@ public class GLDebugMessage {
 
     public static int translateARB2AMDCategory(int dbgSource, int dbgType) {
         switch (dbgSource) {
-            case GL2GL3.GL_DEBUG_SOURCE_WINDOW_SYSTEM_ARB:
+            case GL2GL3.GL_DEBUG_SOURCE_WINDOW_SYSTEM:
                 return GL2GL3.GL_DEBUG_CATEGORY_WINDOW_SYSTEM_AMD; 
                 
-            case GL2GL3.GL_DEBUG_SOURCE_SHADER_COMPILER_ARB:
+            case GL2GL3.GL_DEBUG_SOURCE_SHADER_COMPILER:
                 return GL2GL3.GL_DEBUG_CATEGORY_SHADER_COMPILER_AMD;
                 
-            case GL2GL3.GL_DEBUG_SOURCE_APPLICATION_ARB:
+            case GL2GL3.GL_DEBUG_SOURCE_APPLICATION:
                 return GL2GL3.GL_DEBUG_CATEGORY_APPLICATION_AMD;
         }
         
         switch(dbgType) {
-            case GL2GL3.GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB:
+            case GL2GL3.GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR:
                 return GL2GL3.GL_DEBUG_CATEGORY_DEPRECATION_AMD;
                 
-            case GL2GL3.GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB:
+            case GL2GL3.GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR:
                 return GL2GL3.GL_DEBUG_CATEGORY_UNDEFINED_BEHAVIOR_AMD;
                 
-            case GL2GL3.GL_DEBUG_TYPE_PERFORMANCE_ARB: 
+            case GL2GL3.GL_DEBUG_TYPE_PERFORMANCE: 
                 return GL2GL3.GL_DEBUG_CATEGORY_PERFORMANCE_AMD;
         }
                 
@@ -204,33 +204,33 @@ public class GLDebugMessage {
         
     public static String getDbgSourceString(int dbgSource) {
         switch(dbgSource) {
-            case GL2GL3.GL_DEBUG_SOURCE_API_ARB: return "GL API";
-            case GL2GL3.GL_DEBUG_SOURCE_SHADER_COMPILER_ARB: return "GLSL or extension compiler";                                          
-            case GL2GL3.GL_DEBUG_SOURCE_WINDOW_SYSTEM_ARB: return "Native Windowing binding";                                          
-            case GL2GL3.GL_DEBUG_SOURCE_THIRD_PARTY_ARB: return "Third party";
-            case GL2GL3.GL_DEBUG_SOURCE_APPLICATION_ARB: return "Application";
-            case GL2GL3.GL_DEBUG_SOURCE_OTHER_ARB: return "generic";
+            case GL2GL3.GL_DEBUG_SOURCE_API: return "GL API";
+            case GL2GL3.GL_DEBUG_SOURCE_SHADER_COMPILER: return "GLSL or extension compiler";                                          
+            case GL2GL3.GL_DEBUG_SOURCE_WINDOW_SYSTEM: return "Native Windowing binding";                                          
+            case GL2GL3.GL_DEBUG_SOURCE_THIRD_PARTY: return "Third party";
+            case GL2GL3.GL_DEBUG_SOURCE_APPLICATION: return "Application";
+            case GL2GL3.GL_DEBUG_SOURCE_OTHER: return "generic";
             default: return "Unknown (" + toHexString(dbgSource) + ")";
         }
     }
     
     public static String getDbgTypeString(int dbgType) {
         switch(dbgType) {
-            case GL2GL3.GL_DEBUG_TYPE_ERROR_ARB: return "Error";
-            case GL2GL3.GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB: return "Warning: marked for deprecation";                                            
-            case GL2GL3.GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB: return "Warning: undefined behavior";
-            case GL2GL3.GL_DEBUG_TYPE_PERFORMANCE_ARB: return "Warning: implementation dependent performance";   
-            case GL2GL3.GL_DEBUG_TYPE_PORTABILITY_ARB: return "Warning: vendor-specific extension use";   
-            case GL2GL3.GL_DEBUG_TYPE_OTHER_ARB: return "Warning: generic";            
+            case GL2GL3.GL_DEBUG_TYPE_ERROR: return "Error";
+            case GL2GL3.GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR: return "Warning: marked for deprecation";                                            
+            case GL2GL3.GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR: return "Warning: undefined behavior";
+            case GL2GL3.GL_DEBUG_TYPE_PERFORMANCE: return "Warning: implementation dependent performance";   
+            case GL2GL3.GL_DEBUG_TYPE_PORTABILITY: return "Warning: vendor-specific extension use";   
+            case GL2GL3.GL_DEBUG_TYPE_OTHER: return "Warning: generic";            
             default: return "Unknown (" + toHexString(dbgType) + ")";
         }
     }
     
     public static String getDbgSeverityString(int dbgSeverity) {
         switch(dbgSeverity) {
-            case GL2GL3.GL_DEBUG_SEVERITY_HIGH_ARB: return "High: dangerous undefined behavior";                                          
-            case GL2GL3.GL_DEBUG_SEVERITY_MEDIUM_ARB: return "Medium: Severe performance/deprecation/other warnings";    
-            case GL2GL3.GL_DEBUG_SEVERITY_LOW_ARB: return "Low: Performance warnings (redundancy/undefined)";        
+            case GL2GL3.GL_DEBUG_SEVERITY_HIGH: return "High: dangerous undefined behavior";                                          
+            case GL2GL3.GL_DEBUG_SEVERITY_MEDIUM: return "Medium: Severe performance/deprecation/other warnings";    
+            case GL2GL3.GL_DEBUG_SEVERITY_LOW: return "Low: Performance warnings (redundancy/undefined)";        
             default: return "Unknown (" + toHexString(dbgSeverity) + ")";
         }
     }
diff --git a/src/jogl/classes/javax/media/opengl/GLDrawableFactory.java b/src/jogl/classes/javax/media/opengl/GLDrawableFactory.java
index dbf6df0de..580d3a50b 100644
--- a/src/jogl/classes/javax/media/opengl/GLDrawableFactory.java
+++ b/src/jogl/classes/javax/media/opengl/GLDrawableFactory.java
@@ -40,8 +40,6 @@
 
 package javax.media.opengl;
 
-import java.security.AccessController;
-import java.security.PrivilegedAction;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -118,13 +116,8 @@ public abstract class GLDrawableFactory {
   private static GLDrawableFactory eglFactory;
   private static GLDrawableFactory nativeOSFactory;
 
-  protected static ArrayList<GLDrawableFactory> glDrawableFactories = new ArrayList<GLDrawableFactory>();
-
-  // Shutdown hook mechanism for the factory
-  private static boolean factoryShutdownHookRegistered = false;
-  private static Thread factoryShutdownHook = null;
-  private static volatile boolean isJVMShuttingDown = false;
-
+  private static ArrayList<GLDrawableFactory> glDrawableFactories = new ArrayList<GLDrawableFactory>();
+  
   /**
    * Instantiate singleton factories if available, EGLES1, EGLES2 and the OS native ones.
    */
@@ -139,7 +132,12 @@ public abstract class GLDrawableFactory {
       }
   }  
   private static final void initSingletonImpl() {
-    registerFactoryShutdownHook();
+    NativeWindowFactory.initSingleton();
+    NativeWindowFactory.addCustomShutdownHook(false /* head */, new Runnable() {
+       public void run() {
+           shutdown0();
+       }
+    });
     
     final String nwt = NativeWindowFactory.getNativeWindowType(true);
     GLDrawableFactory tmp = null;
@@ -199,19 +197,35 @@ public abstract class GLDrawableFactory {
       synchronized (GLDrawableFactory.class) {
           if (isInit) {
               isInit=false;
-              shutdownImpl();
+              shutdown0();
           }
       }
     }
   }
   
-  private static void shutdownImpl() {
+  private static void shutdown0() {
     // Following code will _always_ remain in shutdown hook
     // due to special semantics of native utils, i.e. X11Utils.
     // The latter requires shutdown at JVM-Shutdown only.
     synchronized(glDrawableFactories) {
-        for(int i=0; i<glDrawableFactories.size(); i++) {
-            glDrawableFactories.get(i).destroy();
+        final int gldfCount = glDrawableFactories.size();
+        if( DEBUG ) {
+            System.err.println("GLDrawableFactory.shutdownAll "+gldfCount+" instances, on thread "+getThreadName());
+        }
+        for(int i=0; i<gldfCount; i++) {
+            final GLDrawableFactory gldf = glDrawableFactories.get(i);
+            if( DEBUG ) {
+                System.err.println("GLDrawableFactory.shutdownAll["+(i+1)+"/"+gldfCount+"]:  "+gldf.getClass().getName());
+            }
+            try {
+                gldf.resetDisplayGamma();
+                gldf.destroy();
+            } catch (Throwable t) {
+                System.err.println("GLDrawableFactory.shutdownImpl: Catched "+t.getClass().getName()+" during factory shutdown #"+(i+1)+"/"+gldfCount+" "+gldf.getClass().getName());
+                if( DEBUG ) {
+                    t.printStackTrace();
+                }
+            }
         }
         glDrawableFactories.clear();
         
@@ -220,28 +234,8 @@ public abstract class GLDrawableFactory {
         eglFactory = null;
     }
     GLContext.shutdown();
-    NativeWindowFactory.shutdown(isJVMShuttingDown);
   }
   
-  private static synchronized void registerFactoryShutdownHook() {
-    if (factoryShutdownHookRegistered) {
-        return;
-    }
-    factoryShutdownHook = new Thread(new Runnable() {
-        public void run() {
-            isJVMShuttingDown = true;
-            GLDrawableFactory.shutdownImpl();
-        }
-    });
-    AccessController.doPrivileged(new PrivilegedAction<Object>() {
-        public Object run() {
-            Runtime.getRuntime().addShutdownHook(factoryShutdownHook);
-            return null;
-        }
-    });
-    factoryShutdownHookRegistered = true;
-  }
-
   protected GLDrawableFactory() {
     synchronized(glDrawableFactories) {
         glDrawableFactories.add(this);
@@ -258,6 +252,8 @@ public abstract class GLDrawableFactory {
 
   protected abstract void destroy();
 
+  public abstract void resetDisplayGamma();
+  
   /**
    * Retrieve the default <code>device</code> {@link AbstractGraphicsDevice#getConnection() connection},
    * {@link AbstractGraphicsDevice#getUnitID() unit ID} and {@link AbstractGraphicsDevice#getUniqueID() unique ID name}. for this factory<br>
@@ -447,7 +443,7 @@ public abstract class GLDrawableFactory {
    * </p>
    * <p>
    * A Pbuffer drawable is created if both {@link GLCapabilitiesImmutable#isPBuffer() caps.isPBuffer()}
-   * and {@link #canCreateGLPbuffer(AbstractGraphicsDevice) canCreateGLPbuffer(device)} is true.
+   * and {@link #canCreateGLPbuffer(AbstractGraphicsDevice, GLProfile) canCreateGLPbuffer(device)} is true.
    * </p>
    * <p>
    * If not onscreen and neither FBO nor Pbuffer is available, 
@@ -458,7 +454,7 @@ public abstract class GLDrawableFactory {
    * @throws GLException if any window system-specific errors caused
    *         the creation of the GLDrawable to fail.
    *
-   * @see #canCreateGLPbuffer(AbstractGraphicsDevice)
+   * @see #canCreateGLPbuffer(AbstractGraphicsDevice, GLProfile)
    * @see GLContext#isFBOAvailable(AbstractGraphicsDevice, GLProfile)
    * @see javax.media.opengl.GLCapabilities#isOnscreen()
    * @see javax.media.opengl.GLCapabilities#isFBO()
@@ -486,7 +482,7 @@ public abstract class GLDrawableFactory {
    * </p>
    * <p>
    * A Pbuffer based auto drawable is created if both {@link GLCapabilitiesImmutable#isPBuffer() caps.isPBuffer()}
-   * and {@link #canCreateGLPbuffer(AbstractGraphicsDevice) canCreateGLPbuffer(device)} is true.
+   * and {@link #canCreateGLPbuffer(AbstractGraphicsDevice, GLProfile) canCreateGLPbuffer(device)} is true.
    * </p>
    * <p>
    * If neither FBO nor Pbuffer is available, 
@@ -524,7 +520,7 @@ public abstract class GLDrawableFactory {
    * </p>
    * <p>
    * A Pbuffer drawable is created if both {@link GLCapabilitiesImmutable#isPBuffer() caps.isPBuffer()}
-   * and {@link #canCreateGLPbuffer(AbstractGraphicsDevice) canCreateGLPbuffer(device)} is true.
+   * and {@link #canCreateGLPbuffer(AbstractGraphicsDevice, GLProfile) canCreateGLPbuffer(device)} is true.
    * </p>
    * <p>
    * If neither FBO nor Pbuffer is available, 
@@ -594,12 +590,16 @@ public abstract class GLDrawableFactory {
   public abstract boolean canCreateFBO(AbstractGraphicsDevice device, GLProfile glp);
 
   /**
-   * Returns true if it is possible to create a GLPbuffer. Some older
-   * graphics cards do not have this capability.
+   * Returns true if it is possible to create an <i>pbuffer surface</i>.
+   * <p> 
+   * Some older graphics cards do not have this capability, 
+   * as well as some new GL implementation, i.e. OpenGL 3 core on OSX. 
+   * </p>
    *
    * @param device which {@link javax.media.nativewindow.AbstractGraphicsDevice#getConnection() connection} denotes the shared the target device, may be <code>null</code> for the platform's default device.
+   * @param glp {@link GLProfile} to check for FBO capabilities
    */
-  public abstract boolean canCreateGLPbuffer(AbstractGraphicsDevice device);
+  public abstract boolean canCreateGLPbuffer(AbstractGraphicsDevice device, GLProfile glp);
 
   /**
    * Creates a GLPbuffer {@link GLAutoDrawable} with the given capabilites and dimensions.
diff --git a/src/jogl/classes/javax/media/opengl/GLPipelineFactory.java b/src/jogl/classes/javax/media/opengl/GLPipelineFactory.java
index 2bfc77d4a..c6bf26235 100644
--- a/src/jogl/classes/javax/media/opengl/GLPipelineFactory.java
+++ b/src/jogl/classes/javax/media/opengl/GLPipelineFactory.java
@@ -51,8 +51,23 @@ public class GLPipelineFactory {
 
     /** 
      * Creates a pipelined GL instance using the given downstream <code>downstream</code>
-     * and optional arguments <code>additionalArgs</code> for the constructor.<br>
+     * and optional arguments <code>additionalArgs</code> for the constructor.
      *
+     * <p>
+     * Sample code which installs a Debug and Trace pipeline
+     * automatic w/ user defined interface, here: GL2ES2:
+     * <pre>
+     *     gl = drawable.setGL( GLPipelineFactory.create("javax.media.opengl.Debug", GL2ES2.class, gl, null) );
+     *     gl = drawable.setGL( GLPipelineFactory.create("javax.media.opengl.Trace", GL2ES2.class, gl, new Object[] { System.err } ) );
+     * </pre>
+     * or automatic w/ automatic defined class:
+     * <pre>
+     *     gl = drawable.setGL( GLPipelineFactory.create("javax.media.opengl.Debug",         null, gl, null) );
+     *     gl = drawable.setGL( GLPipelineFactory.create("javax.media.opengl.Trace",         null, gl, new Object[] { System.err } ) );
+     * </pre>
+     * </p>
+     * 
+     * <p>
      * The upstream GL instance is determined as follows:
      * <ul>
      *   <li> Use <code>pipelineClazzBaseName</code> as the class name's full basename, incl. package name</li>
@@ -65,7 +80,8 @@ public class GLPipelineFactory {
      *        <li> If upstream class is available use it, end loop.</li>
      *      </ul>
      *   </ul>
-     * </ul><br>
+     * </ul>
+     * </p>
      *
      * @param pipelineClazzBaseName the basename of the pipline class name
      * @param reqInterface optional requested interface to be used, may be null, in which case the first matching one is used
diff --git a/src/jogl/classes/javax/media/opengl/GLProfile.java b/src/jogl/classes/javax/media/opengl/GLProfile.java
index 1b6af22d4..51b822449 100644
--- a/src/jogl/classes/javax/media/opengl/GLProfile.java
+++ b/src/jogl/classes/javax/media/opengl/GLProfile.java
@@ -132,7 +132,7 @@ public class GLProfile {
                                   ReflectionUtil.createInstance(getGLImplBaseClassName(GL4bc)+"Impl", new Class[] { GLProfile.class, GLContextImpl.class }, new Object[] { null, null }, cl);
                               } catch (Throwable t) {}
                               try {
-                                  ReflectionUtil.createInstance(getGLImplBaseClassName(GLES2)+"Impl", new Class[] { GLProfile.class, GLContextImpl.class }, new Object[] { null, null }, cl);              
+                                  ReflectionUtil.createInstance(getGLImplBaseClassName(GLES3)+"Impl", new Class[] { GLProfile.class, GLContextImpl.class }, new Object[] { null, null }, cl);              
                               } catch (Throwable t) {}
                               try {
                                   ReflectionUtil.createInstance(getGLImplBaseClassName(GLES1)+"Impl", new Class[] { GLProfile.class, GLContextImpl.class }, new Object[] { null, null }, cl);              
@@ -165,7 +165,7 @@ public class GLProfile {
             initLock.unlock();
         }
         if(DEBUG) {
-            if( justInitialized && ( hasGL234Impl || hasGLES1Impl || hasGLES2Impl ) ) {
+            if( justInitialized && ( hasGL234Impl || hasGLES1Impl || hasGLES3Impl ) ) {
                 System.err.println(JoglVersion.getDefaultOpenGLInfo(defaultDevice, null, true));
             }
         }        
@@ -299,6 +299,17 @@ public class GLProfile {
         }
 
         if(useIndent) {
+            doIndent(sb.append(Platform.getNewline()), indent, indentCount).append("GLES3").append(indent);
+        } else {
+            sb.append(", GLES3 ");
+        }
+        avail=isAvailableImpl(map, GLES3);
+        sb.append(avail);
+        if(avail) {
+            glAvailabilityToString(device, sb.append(" "), 3, GLContext.CTX_PROFILE_ES);
+        }
+
+        if(useIndent) {
             doIndent(sb.append(Platform.getNewline()), indent, indentCount).append("GL3bc").append(indent);
         } else {
             sb.append(", GL3bc ");
@@ -332,11 +343,15 @@ public class GLProfile {
         }
 
         if(useIndent) {
-            doIndent(sb.append(Platform.getNewline()), indent, indentCount).append("GL2ES1").append(indent);
+            doIndent(sb.append(Platform.getNewline()), indent, indentCount).append("GLES2").append(indent);
         } else {
-            sb.append(", GL2ES1 ");
+            sb.append(", GLES2 ");
+        }
+        avail=isAvailableImpl(map, GLES2);
+        sb.append(avail);
+        if(avail) {
+            glAvailabilityToString(device, sb.append(" "), 2, GLContext.CTX_PROFILE_ES);
         }
-        sb.append(isAvailableImpl(map, GL2ES1));
 
         if(useIndent) {
             doIndent(sb.append(Platform.getNewline()), indent, indentCount).append("GLES1").append(indent);
@@ -350,6 +365,13 @@ public class GLProfile {
         }
 
         if(useIndent) {
+            doIndent(sb.append(Platform.getNewline()), indent, indentCount).append("GL4ES3").append(indent);
+        } else {
+            sb.append(", GL4ES3 ");
+        }
+        sb.append(isAvailableImpl(map, GL4ES3));
+        
+        if(useIndent) {
             doIndent(sb.append(Platform.getNewline()), indent, indentCount).append("GL2ES2").append(indent);
         } else {
             sb.append(", GL2ES2 ");
@@ -357,15 +379,11 @@ public class GLProfile {
         sb.append(isAvailableImpl(map, GL2ES2));
 
         if(useIndent) {
-            doIndent(sb.append(Platform.getNewline()), indent, indentCount).append("GLES2").append(indent);
+            doIndent(sb.append(Platform.getNewline()), indent, indentCount).append("GL2ES1").append(indent);
         } else {
-            sb.append(", GLES2 ");
-        }
-        avail=isAvailableImpl(map, GLES2);
-        sb.append(avail);
-        if(avail) {
-            glAvailabilityToString(device, sb.append(" "), 2, GLContext.CTX_PROFILE_ES);
+            sb.append(", GL2ES1 ");
         }
+        sb.append(isAvailableImpl(map, GL2ES1));
 
         if(useIndent) {
             indentCount--;
@@ -437,6 +455,9 @@ public class GLProfile {
     /** The embedded OpenGL profile ES 2.x, with x >= 0 */
     public static final String GLES2 = "GLES2";
 
+    /** The embedded OpenGL profile ES 3.x, with x >= 0 */
+    public static final String GLES3 = "GLES3";
+
     /** The intersection of the desktop GL2 and embedded ES1 profile */
     public static final String GL2ES1 = "GL2ES1";
 
@@ -446,6 +467,9 @@ public class GLProfile {
     /** The intersection of the desktop GL3 and GL2 profile */
     public static final String GL2GL3 = "GL2GL3";
 
+    /** The intersection of the desktop GL4 and ES3 profile */
+    public static final String GL4ES3 = "GL4ES3";
+    
     /** The default profile, used for the device default profile map  */
     private static final String GL_DEFAULT = "GL_DEFAULT";
 
@@ -456,62 +480,66 @@ public class GLProfile {
      * <p> This includes the generic subset profiles GL2GL3, GL2ES2 and GL2ES1.</p>
      *
      * <ul>
-     *  <li> GL4bc
-     *  <li> GL3bc
-     *  <li> GL2
-     *  <li> GL4
-     *  <li> GL3
-     *  <li> GL2GL3
-     *  <li> GLES2
-     *  <li> GL2ES2
-     *  <li> GLES1
-     *  <li> GL2ES1
+     *  <li> GL4bc </li>
+     *  <li> GL3bc </li>
+     *  <li> GL2 </li>
+     *  <li> GL4 </li>
+     *  <li> GL3 </li>
+     *  <li> GLES3 </li>
+     *  <li> GL4ES3 </li>
+     *  <li> GL2GL3 </li>
+     *  <li> GLES2 </li>
+     *  <li> GL2ES2 </li>
+     *  <li> GLES1 </li>
+     *  <li> GL2ES1 </li>
      * </ul>
      *
      */
-    public static final String[] GL_PROFILE_LIST_ALL = new String[] { GL4bc, GL3bc, GL2, GL4, GL3, GL2GL3, GLES2, GL2ES2, GLES1, GL2ES1 };
-
+    public static final String[] GL_PROFILE_LIST_ALL = new String[] { GL4bc, GL3bc, GL2, GL4, GL3, GLES3, GL4ES3, GL2GL3, GLES2, GL2ES2, GLES1, GL2ES1 };
+    
     /**
      * Order of maximum profiles.
      *
      * <ul>
-     *  <li> GL4bc
-     *  <li> GL4
-     *  <li> GL3bc
-     *  <li> GL3
-     *  <li> GL2
-     *  <li> GLES2
-     *  <li> GLES1
+     *  <li> GL4bc </li>
+     *  <li> GL4 </li>
+     *  <li> GL3bc </li>
+     *  <li> GL3 </li>
+     *  <li> GLES3 </li>
+     *  <li> GL2 </li>
+     *  <li> GLES2 </li>
+     *  <li> GLES1 </li>
      * </ul>
      *
      */
-    public static final String[] GL_PROFILE_LIST_MAX = new String[] { GL4bc, GL4, GL3bc, GL3, GL2, GLES2, GLES1 };
+    public static final String[] GL_PROFILE_LIST_MAX = new String[] { GL4bc, GL4, GL3bc, GL3, GLES3, GL2, GLES2, GLES1 };
 
     /**
      * Order of minimum profiles.
      *
      * <ul>
-     *  <li> GLES1
-     *  <li> GLES2
-     *  <li> GL2
-     *  <li> GL3
-     *  <li> GL3bc
-     *  <li> GL4
-     *  <li> GL4bc
+     *  <li> GLES1 </li>
+     *  <li> GLES2 </li>
+     *  <li> GL2 </li>
+     *  <li> GLES3 </li>
+     *  <li> GL3 </li>
+     *  <li> GL3bc </li>
+     *  <li> GL4 </li>
+     *  <li> GL4bc </li>
      * </ul>
      *
      */
-    public static final String[] GL_PROFILE_LIST_MIN = new String[] { GLES1, GLES2, GL2, GL3, GL3bc, GL4, GL4bc };
+    public static final String[] GL_PROFILE_LIST_MIN = new String[] { GLES1, GLES2, GL2, GLES3, GL3, GL3bc, GL4, GL4bc };
     
     /**
      * Order of minimum original desktop profiles.
      *
      * <ul>
-     *  <li> GL2
-     *  <li> GL3bc
-     *  <li> GL4bc
-     *  <li> GL3
-     *  <li> GL4
+     *  <li> GL2 </li>
+     *  <li> GL3bc </li>
+     *  <li> GL4bc </li>
+     *  <li> GL3 </li>
+     *  <li> GL4 </li>
      * </ul>
      *
      */
@@ -521,10 +549,10 @@ public class GLProfile {
      * Order of maximum fixed function profiles
      *
      * <ul>
-     *  <li> GL4bc
-     *  <li> GL3bc
-     *  <li> GL2
-     *  <li> GLES1
+     *  <li> GL4bc </li>
+     *  <li> GL3bc </li>
+     *  <li> GL2 </li>
+     *  <li> GLES1 </li>
      * </ul>
      *
      */
@@ -534,28 +562,30 @@ public class GLProfile {
      * Order of maximum programmable shader profiles
      *
      * <ul>
-     *  <li> GL4bc
-     *  <li> GL4
-     *  <li> GL3bc
-     *  <li> GL3
-     *  <li> GL2
-     *  <li> GLES2
+     *  <li> GL4bc </li>
+     *  <li> GL4 </li>
+     *  <li> GL3bc </li>
+     *  <li> GL3 </li>
+     *  <li> GLES3 </li>
+     *  <li> GL2 </li>
+     *  <li> GLES2 </li>
      * </ul>
      *
      */
-    public static final String[] GL_PROFILE_LIST_MAX_PROGSHADER = new String[] { GL4bc, GL4, GL3bc, GL3, GL2, GLES2 };
+    public static final String[] GL_PROFILE_LIST_MAX_PROGSHADER = new String[] { GL4bc, GL4, GL3bc, GL3, GLES3, GL2, GLES2 };
 
     /**
      * Order of maximum programmable shader <i>core only</i> profiles
      *
      * <ul>
-     *  <li> GL4
-     *  <li> GL3
-     *  <li> GLES2
+     *  <li> GL4 </li>
+     *  <li> GL3 </li>
+     *  <li> GLES3 </li>
+     *  <li> GLES2 </li>
      * </ul>
      *
      */
-    public static final String[] GL_PROFILE_LIST_MAX_PROGSHADER_CORE = new String[] { GL4, GL3, GLES2 };
+    public static final String[] GL_PROFILE_LIST_MAX_PROGSHADER_CORE = new String[] { GL4, GL3, GLES3, GLES2 };
     
     /** Returns a default GLProfile object, reflecting the best for the running platform.
      * It selects the first of the set {@link GLProfile#GL_PROFILE_LIST_ALL}
@@ -755,6 +785,36 @@ public class GLProfile {
     }
 
     /** 
+     * Returns the GL4ES3 profile implementation, hence compatible w/ GL4ES3.<br/>
+     * It returns:
+     * <pre>
+     *   GLProfile.get(device, GLProfile.GL4ES3).getImpl());
+     * </pre>
+     * <p>Selection favors hardware rasterizer.</p>
+     *
+     * @throws GLException if no GL4ES3 compatible profile is available for the default device.
+     * @see #isGL4ES3()
+     * @see #get(AbstractGraphicsDevice, String)
+     * @see #getImpl()
+     */
+    public static GLProfile getGL4ES3(AbstractGraphicsDevice device)
+        throws GLException
+    {
+        return get(device, GL4ES3).getImpl();
+    }
+
+    /** 
+     * Calls {@link #getGL4ES3(AbstractGraphicsDevice)} using the default device. 
+     * <p>Selection favors hardware rasterizer.</p>
+     * @see #getGL4ES3(AbstractGraphicsDevice)
+     */
+    public static GLProfile getGL4ES3()
+        throws GLException
+    {
+        return get(defaultDevice, GL4ES3).getImpl();
+    }
+
+    /** 
      * Returns the GL2GL3 profile implementation, hence compatible w/ GL2GL3.<br/>
      * It returns:
      * <pre>
@@ -872,13 +932,20 @@ public class GLProfile {
         return GLES1.equals(profileImpl);
     }
 
-    /** Indicates whether the native OpenGL ES2 profile is in use. 
-     * This requires an EGL or ES2 compatible interface.
+    /** Indicates whether the native OpenGL ES3 or ES2 profile is in use. 
+     * This requires an EGL, ES3 or ES2 compatible interface.
      */
     public static boolean usesNativeGLES2(String profileImpl) {
-        return GLES2.equals(profileImpl);
+        return GLES3.equals(profileImpl) || GLES2.equals(profileImpl);
     }
 
+    /** Indicates whether the native OpenGL ES2 profile is in use. 
+     * This requires an EGL, ES3 compatible interface.
+     */
+    public static boolean usesNativeGLES3(String profileImpl) {
+        return GLES3.equals(profileImpl);
+    }
+    
     /** Indicates whether either of the native OpenGL ES profiles are in use. */
     public static boolean usesNativeGLES(String profileImpl) {
         return usesNativeGLES2(profileImpl) || usesNativeGLES1(profileImpl);
@@ -937,8 +1004,8 @@ public class GLProfile {
     }
 
     private static final String getGLImplBaseClassName(String profileImpl) {
-        if( GLES2 == profileImpl ) {
-            return "jogamp.opengl.es2.GLES2";
+        if( GLES2 == profileImpl || GLES3 == profileImpl ) {
+            return "jogamp.opengl.es3.GLES3";
         } else if( GLES1 == profileImpl ) {
             return "jogamp.opengl.es1.GLES1";
         } else if ( GL4bc == profileImpl ||
@@ -1025,7 +1092,7 @@ public class GLProfile {
         return isGL4() || isGL3bc() || GL3 == profile;
     }
 
-    /** Indicates whether this context is a GL2 context      <p>Includes [ GL4bc, GL3bc, GL2 ].</p> */
+    /** Indicates whether this profile is capable of GL2 .   <p>Includes [ GL4bc, GL3bc, GL2 ].</p> */
     public final boolean isGL2() {
         return isGL3bc() || GL2 == profile;
     }
@@ -1035,14 +1102,19 @@ public class GLProfile {
         return GLES1 == profile;
     }
 
-    /** Indicates whether this profile is capable of GLES2.  <p>Includes [ GLES2 ].</p> */
+    /** Indicates whether this profile is capable of GLES2.  <p>Includes [ GLES3, GLES2 ].</p> */
     public final boolean isGLES2() {
-        return GLES2 == profile;
+        return GLES3 == profile || GLES2 == profile;
+    }
+    
+    /** Indicates whether this profile is capable of GLES3.  <p>Includes [ GLES3 ].</p> */
+    public final boolean isGLES3() {
+        return GLES3 == profile;
     }
     
-    /** Indicates whether this profile is capable of GLES.  <p>Includes [ GLES1, GLES2 ].</p> */
+    /** Indicates whether this profile is capable of GLES.  <p>Includes [ GLES3, GLES1, GLES2 ].</p> */
     public final boolean isGLES() {
-        return GLES2 == profile || GLES1 == profile;
+        return GLES3 == profile || GLES2 == profile || GLES1 == profile;
     }
 
     /** Indicates whether this profile is capable of GL2ES1. <p>Includes [ GL4bc, GL3bc, GL2, GLES1, GL2ES1 ].</p> */
@@ -1050,17 +1122,27 @@ public class GLProfile {
         return GL2ES1 == profile || isGLES1() || isGL2();
     }
 
-    /** Indicates whether this profile is capable os GL2GL3. <p>Includes [ GL4bc, GL4, GL3bc, GL3, GL2, GL2GL3 ].</p> */
+    /** Indicates whether this profile is capable of GL2GL3. <p>Includes [ GL4bc, GL4, GL3bc, GL3, GL2, GL2GL3 ].</p> */
     public final boolean isGL2GL3() {
         return GL2GL3 == profile || isGL3() || isGL2();
     }
-
-    /** Indicates whether this profile is capable os GL2ES2. <p>Includes [ GL4bc, GL4, GL3bc, GL3, GL2, GL2GL3, GL2ES2, GLES2 ].</p> */
+    
+    /** Indicates whether this profile is capable of GL2ES2. <p>Includes [ GL4bc, GL4, GL3bc, GL3, GLES3, GL2, GL2GL3, GL2ES2, GLES2 ].</p> */
     public final boolean isGL2ES2() {
         return GL2ES2 == profile || isGLES2() || isGL2GL3();
     }
 
-    /** Indicates whether this profile supports GLSL, ie. {@link #isGL2ES2()}. */
+    /** Indicates whether this profile is capable of GL3ES3. <p>Includes [ GL4bc, GL4, GL3bc, GL3, GLES3 ].</p> */
+    public final boolean isGL3ES3() {
+        return isGL4ES3() || isGL3();
+    }
+
+    /** Indicates whether this profile is capable of GL4ES3. <p>Includes [ GL4bc, GL4, GLES3 ].</p> */
+    public final boolean isGL4ES3() {
+        return GL4ES3 == profile || isGLES3() || isGL4();
+    }
+
+    /** Indicates whether this profile supports GLSL, i.e. {@link #isGL2ES2()}. */
     public final boolean hasGLSL() {
         return isGL2ES2() ;
     }
@@ -1072,7 +1154,12 @@ public class GLProfile {
 
     /** Indicates whether this profile uses the native OpenGL ES2 implementations. */
     public final boolean usesNativeGLES2() {
-        return GLES2 == getImplName();
+        return GLES3 == getImplName() || GLES2 == getImplName();
+    }
+
+    /** Indicates whether this profile uses the native OpenGL ES2 implementations. */
+    public final boolean usesNativeGLES3() {
+        return GLES3 == getImplName();
     }
 
     /** Indicates whether this profile uses either of the native OpenGL ES implementations. */
@@ -1117,8 +1204,8 @@ public class GLProfile {
     
     public boolean isValidArrayDataType(int index, int comps, int type, 
                                         boolean isVertexAttribPointer, boolean throwException) {
-        String arrayName = getGLArrayName(index);
-        if(isGLES1()) {
+        final String arrayName = getGLArrayName(index);
+        if( isGLES1() ) {
             if(isVertexAttribPointer) {
                 if(throwException) {
                     throw new GLException("Illegal array type for "+arrayName+" on profile GLES1: VertexAttribPointer");
@@ -1201,7 +1288,7 @@ public class GLProfile {
                     }
                     break;
             }
-        } else if(isGLES2()) {
+        } else if( isGLES2() ) {
             // simply ignore !isVertexAttribPointer case, since it is simulated anyway ..
             switch(type) {
                 case GL.GL_UNSIGNED_BYTE:
@@ -1386,7 +1473,7 @@ public class GLProfile {
     private static /*final*/ boolean hasDesktopGLFactory;    
     private static /*final*/ boolean hasGL234Impl;
     private static /*final*/ boolean hasEGLFactory;
-    private static /*final*/ boolean hasGLES2Impl;
+    private static /*final*/ boolean hasGLES3Impl;
     private static /*final*/ boolean hasGLES1Impl;
 
     private static /*final*/ GLDrawableFactoryImpl eglFactory = null;
@@ -1419,7 +1506,7 @@ public class GLProfile {
         
         // depends on hasEGLFactory
         hasGLES1Impl   = ReflectionUtil.isClassAvailable("jogamp.opengl.es1.GLES1Impl", classloader);
-        hasGLES2Impl   = ReflectionUtil.isClassAvailable("jogamp.opengl.es2.GLES2Impl", classloader);
+        hasGLES3Impl   = ReflectionUtil.isClassAvailable("jogamp.opengl.es3.GLES3Impl", classloader);
         
         //
         // Iteration of desktop GL availability detection
@@ -1471,8 +1558,8 @@ public class GLProfile {
                 eglFactory = (GLDrawableFactoryImpl) GLDrawableFactory.getFactoryImpl(GLES2);
                 if(null != eglFactory) {
                     hasEGLFactory = true;
-                    // update hasGLES1Impl, hasGLES2Impl based on EGL
-                    hasGLES2Impl = null!=eglFactory.getGLDynamicLookupHelper(2) && hasGLES2Impl;
+                    // update hasGLES1Impl, hasGLES3Impl based on EGL
+                    hasGLES3Impl = null!=eglFactory.getGLDynamicLookupHelper(2) && hasGLES3Impl;
                     hasGLES1Impl = null!=eglFactory.getGLDynamicLookupHelper(1) && hasGLES1Impl;
                 }
             } catch (LinkageError le) {
@@ -1493,7 +1580,7 @@ public class GLProfile {
 
         final AbstractGraphicsDevice defaultEGLDevice;
         if(null == eglFactory) {
-            hasGLES2Impl     = false;
+            hasGLES3Impl     = false;
             hasGLES1Impl     = false;
             defaultEGLDevice = null;
             if(DEBUG) {
@@ -1532,7 +1619,7 @@ public class GLProfile {
             System.err.println("GLProfile.init hasGL234Impl          "+hasGL234Impl);
             System.err.println("GLProfile.init hasEGLFactory         "+hasEGLFactory);
             System.err.println("GLProfile.init hasGLES1Impl          "+hasGLES1Impl);
-            System.err.println("GLProfile.init hasGLES2Impl          "+hasGLES2Impl);
+            System.err.println("GLProfile.init hasGLES3Impl          "+hasGLES3Impl);
             System.err.println("GLProfile.init defaultDevice         "+defaultDevice);
             System.err.println("GLProfile.init defaultDevice Desktop "+defaultDesktopDevice);
             System.err.println("GLProfile.init defaultDevice EGL     "+defaultEGLDevice);
@@ -1609,8 +1696,8 @@ public class GLProfile {
         
         final boolean deviceIsEGLCompatible = hasEGLFactory && eglFactory.getIsDeviceCompatible(device);
         
-        // also test GLES1 and GLES2 on desktop, since we have implementations / emulations available.
-        if( deviceIsEGLCompatible && ( hasGLES2Impl || hasGLES1Impl ) ) {
+        // also test GLES1, GLES2 and GLES3 on desktop, since we have implementations / emulations available.
+        if( deviceIsEGLCompatible && ( hasGLES3Impl || hasGLES1Impl ) ) {
             // 1st pretend we have all EGL profiles ..
             computeProfileMap(device, false /* desktopCtxUndef*/, true /* esCtxUndef */);
 
@@ -1629,7 +1716,7 @@ public class GLProfile {
                 // but it seems even EGL.eglInitialize(eglDisplay, null, null) 
                 // fails in some scenarios (eg VirtualBox 4.1.6) w/ EGL error 0x3001 (EGL_NOT_INITIALIZED).
                 hasEGLFactory = false;
-                hasGLES2Impl = false;
+                hasGLES3Impl = false;
                 hasGLES1Impl = false;
             }
             if (DEBUG) {
@@ -1647,7 +1734,7 @@ public class GLProfile {
                 System.err.println("GLProfile: desktoplFactory      "+desktopFactory);
                 System.err.println("GLProfile: eglFactory           "+eglFactory);
                 System.err.println("GLProfile: hasGLES1Impl         "+hasGLES1Impl);
-                System.err.println("GLProfile: hasGLES2Impl         "+hasGLES2Impl);
+                System.err.println("GLProfile: hasGLES3Impl         "+hasGLES3Impl);
             }
         }
 
@@ -1725,18 +1812,18 @@ public class GLProfile {
         final boolean isHardwareRasterizer[] = new boolean[1];
         GLProfile defaultGLProfileAny = null;
         GLProfile defaultGLProfileHW = null;
-        HashMap<String, GLProfile> _mappedProfiles = new HashMap<String, GLProfile>(GL_PROFILE_LIST_ALL.length + 1 /* default */);
+        final HashMap<String, GLProfile> _mappedProfiles = new HashMap<String, GLProfile>(GL_PROFILE_LIST_ALL.length + 1 /* default */);
         for(int i=0; i<GL_PROFILE_LIST_ALL.length; i++) {
-            String profile = GL_PROFILE_LIST_ALL[i];
-            String profileImpl = computeProfileImpl(device, profile, desktopCtxUndef, esCtxUndef, isHardwareRasterizer);
-            if(null!=profileImpl) {
+            final String profile = GL_PROFILE_LIST_ALL[i];
+            final String profileImpl = computeProfileImpl(device, profile, desktopCtxUndef, esCtxUndef, isHardwareRasterizer);
+            if( null != profileImpl ) {
                 final GLProfile glProfile;
-                if(profile.equals(profileImpl)) {
+                if( profile.equals( profileImpl ) ) {
                     glProfile = new GLProfile(profile, null, isHardwareRasterizer[0]);
                 } else {
-                    final GLProfile _mglp = _mappedProfiles.get(profileImpl);
-                    if(null == _mglp) {
-                        throw new InternalError("XXX0");
+                    final GLProfile _mglp = _mappedProfiles.get( profileImpl );
+                    if( null == _mglp ) {
+                        throw new InternalError("XXX0 profile["+i+"]: "+profile+" -> profileImpl "+profileImpl+" !!! not mapped ");
                     }
                     glProfile = new GLProfile(profile, _mglp, isHardwareRasterizer[0]);
                 }
@@ -1744,12 +1831,12 @@ public class GLProfile {
                 if (DEBUG) {
                     System.err.println("GLProfile.init map "+glProfile+" on device "+device.getConnection());
                 }
-                if(null==defaultGLProfileHW && isHardwareRasterizer[0]) {
+                if( null == defaultGLProfileHW && isHardwareRasterizer[0] ) {
                     defaultGLProfileHW=glProfile;
                     if (DEBUG) {
                         System.err.println("GLProfile.init map defaultHW "+glProfile+" on device "+device.getConnection());
                     }
-                } else if(null==defaultGLProfileAny) {
+                } else if( null == defaultGLProfileAny ) {
                     defaultGLProfileAny=glProfile;
                     if (DEBUG) {
                         System.err.println("GLProfile.init map defaultAny "+glProfile+" on device "+device.getConnection());
@@ -1761,9 +1848,9 @@ public class GLProfile {
                 }
             }
         }
-        if(null!=defaultGLProfileHW) {
+        if( null != defaultGLProfileHW ) {
             _mappedProfiles.put(GL_DEFAULT, defaultGLProfileHW);
-        } else if(null!=defaultGLProfileAny) {
+        } else if( null != defaultGLProfileAny ) {
             _mappedProfiles.put(GL_DEFAULT, defaultGLProfileAny);
         }
         setProfileMap(device, _mappedProfiles);
@@ -1774,10 +1861,6 @@ public class GLProfile {
      * Returns the profile implementation
      */
     private static String computeProfileImpl(AbstractGraphicsDevice device, String profile, boolean desktopCtxUndef, boolean esCtxUndef, boolean isHardwareRasterizer[]) {
-        // OSX GL3.. doesn't support GLSL<150, 
-        // hence GL2ES2 and GL2GL3 need to be mapped on GL2 on OSX for GLSL compatibility.
-        final boolean isOSX = Platform.OS_TYPE == Platform.OSType.MACOS;
-        
         if (GL2ES1.equals(profile)) {
             final boolean es1HardwareRasterizer[] = new boolean[1];
             final boolean gles1Available = hasGLES1Impl && ( esCtxUndef || GLContext.isGLES1Available(device, es1HardwareRasterizer) );
@@ -1805,29 +1888,27 @@ public class GLProfile {
             }
         } else if (GL2ES2.equals(profile)) {
             final boolean es2HardwareRasterizer[] = new boolean[1];
-            final boolean gles2Available = hasGLES2Impl && ( esCtxUndef || GLContext.isGLES2Available(device, es2HardwareRasterizer) );
+            final boolean gles2Available = hasGLES3Impl && ( esCtxUndef || GLContext.isGLES2Available(device, es2HardwareRasterizer) );
             final boolean gles2HWAvailable = gles2Available && es2HardwareRasterizer[0] ;
             if(hasGL234Impl) {
-                if(!isOSX) {
-                    if(GLContext.isGL4bcAvailable(device, isHardwareRasterizer)) {
-                        if(!gles2HWAvailable || isHardwareRasterizer[0]) {
-                            return GL4bc;
-                        }
+                if(GLContext.isGL4Available(device, isHardwareRasterizer)) {
+                    if(!gles2HWAvailable || isHardwareRasterizer[0]) {
+                        return GL4;
                     }
-                    if(GLContext.isGL4Available(device, isHardwareRasterizer)) {
-                        if(!gles2HWAvailable || isHardwareRasterizer[0]) {
-                            return GL4;
-                        }
+                }
+                if(GLContext.isGL4bcAvailable(device, isHardwareRasterizer)) {
+                    if(!gles2HWAvailable || isHardwareRasterizer[0]) {
+                        return GL4bc;
                     }
-                    if(GLContext.isGL3bcAvailable(device, isHardwareRasterizer)) {
-                        if(!gles2HWAvailable || isHardwareRasterizer[0]) {
-                            return GL3bc;
-                        }
+                }
+                if(GLContext.isGL3Available(device, isHardwareRasterizer)) {
+                    if(!gles2HWAvailable || isHardwareRasterizer[0]) {
+                        return GL3;
                     }
-                    if(GLContext.isGL3Available(device, isHardwareRasterizer)) {
-                        if(!gles2HWAvailable || isHardwareRasterizer[0]) {
-                            return GL3;
-                        }
+                }
+                if(GLContext.isGL3bcAvailable(device, isHardwareRasterizer)) {
+                    if(!gles2HWAvailable || isHardwareRasterizer[0]) {
+                        return GL3bc;
                     }
                 }
                 if(desktopCtxUndef || GLContext.isGL2Available(device, isHardwareRasterizer)) {
@@ -1840,15 +1921,48 @@ public class GLProfile {
                 isHardwareRasterizer[0] = es2HardwareRasterizer[0];
                 return GLES2;
             }
+        } else if (GL4ES3.equals(profile)) {
+            final boolean gles3CompatAvail = GLContext.isGLES3CompatibleAvailable(device);
+            if( desktopCtxUndef || esCtxUndef || gles3CompatAvail ) {
+                final boolean es3HardwareRasterizer[] = new boolean[1];
+                final boolean gles3Available = hasGLES3Impl && ( esCtxUndef || GLContext.isGLES3Available(device, es3HardwareRasterizer) );
+                final boolean gles3HWAvailable = gles3Available && es3HardwareRasterizer[0] ;
+                if(hasGL234Impl) {
+                    if(GLContext.isGL4Available(device, isHardwareRasterizer)) {
+                        if(!gles3HWAvailable || isHardwareRasterizer[0]) {
+                            return GL4;
+                        }
+                    }
+                    if( GLContext.isGL4bcAvailable(device, isHardwareRasterizer)) {
+                        if(!gles3HWAvailable || isHardwareRasterizer[0]) {
+                            return GL4bc;
+                        }
+                    }
+                    if(GLContext.isGL3Available(device, isHardwareRasterizer)) {
+                        if(!gles3HWAvailable || isHardwareRasterizer[0]) {
+                            return GL3;
+                        }
+                    }
+                    if( desktopCtxUndef || GLContext.isGL3bcAvailable(device, isHardwareRasterizer)) {
+                        if(!gles3HWAvailable || isHardwareRasterizer[0]) {
+                            return GL3bc;
+                        }
+                    }
+                }
+                if(gles3Available) {
+                    isHardwareRasterizer[0] = es3HardwareRasterizer[0];
+                    return GLES3;
+                }
+            }
         } else if(GL2GL3.equals(profile)) {
             if(hasGL234Impl) {
-                if(!isOSX && GLContext.isGL4bcAvailable(device, isHardwareRasterizer)) {
+                if( GLContext.isGL4bcAvailable(device, isHardwareRasterizer)) {
                     return GL4bc;
-                } else if(!isOSX && GLContext.isGL4Available(device, isHardwareRasterizer)) {
+                } else if( GLContext.isGL4Available(device, isHardwareRasterizer)) {
                     return GL4;
-                } else if(!isOSX && GLContext.isGL3bcAvailable(device, isHardwareRasterizer)) {
+                } else if( GLContext.isGL3bcAvailable(device, isHardwareRasterizer)) {
                     return GL3bc;
-                } else if(!isOSX && GLContext.isGL3Available(device, isHardwareRasterizer)) {
+                } else if( GLContext.isGL3Available(device, isHardwareRasterizer)) {
                     return GL3;
                 } else if(desktopCtxUndef || GLContext.isGL2Available(device, isHardwareRasterizer)) {
                     return GL2;
@@ -1864,7 +1978,9 @@ public class GLProfile {
             return GL3;
         } else if(GL2.equals(profile) && hasGL234Impl && ( desktopCtxUndef || GLContext.isGL2Available(device, isHardwareRasterizer))) {
             return GL2;
-        } else if(GLES2.equals(profile) && hasGLES2Impl && ( esCtxUndef || GLContext.isGLES2Available(device, isHardwareRasterizer))) {
+        } else if(GLES3.equals(profile) && hasGLES3Impl && ( esCtxUndef || GLContext.isGLES3Available(device, isHardwareRasterizer))) {
+            return GLES3;
+        } else if(GLES2.equals(profile) && hasGLES3Impl && ( esCtxUndef || GLContext.isGLES2Available(device, isHardwareRasterizer))) {
             return GLES2;
         } else if(GLES1.equals(profile) && hasGLES1Impl && ( esCtxUndef || GLContext.isGLES1Available(device, isHardwareRasterizer))) {
             return GLES1;
diff --git a/src/jogl/classes/javax/media/opengl/TraceGL2.java b/src/jogl/classes/javax/media/opengl/TraceGL2.java
new file mode 100644
index 000000000..58f5d9f99
--- /dev/null
+++ b/src/jogl/classes/javax/media/opengl/TraceGL2.java
@@ -0,0 +1,23 @@
+package javax.media.opengl;
+
+import java.io.PrintStream;
+
+/**
+ * <p>
+ * Composable pipeline which wraps an underlying {@link GL} implementation,
+ * providing tracing information to a user-specified {@link java.io.PrintStream}
+ * before and after each OpenGL method call.
+ * </p>
+ * <p>
+ * Sample code which installs this pipeline, manual:
+ * <pre>
+ *     gl = drawable.setGL(new TraceGL(drawable.getGL(), System.err));
+ * </pre> 
+ * For automatic instantiation see {@link GLPipelineFactory#create(String, Class, GL, Object[])}.
+ * </p>
+ */
+public class TraceGL2 extends TraceGL4bc {
+    public TraceGL2(GL2 downstream, PrintStream stream) {
+        super((GL4bc)downstream, stream);
+    }
+}
diff --git a/src/jogl/classes/javax/media/opengl/TraceGL3.java b/src/jogl/classes/javax/media/opengl/TraceGL3.java
new file mode 100644
index 000000000..616b31f61
--- /dev/null
+++ b/src/jogl/classes/javax/media/opengl/TraceGL3.java
@@ -0,0 +1,23 @@
+package javax.media.opengl;
+
+import java.io.PrintStream;
+
+/**
+ * <p>
+ * Composable pipeline which wraps an underlying {@link GL} implementation,
+ * providing tracing information to a user-specified {@link java.io.PrintStream}
+ * before and after each OpenGL method call.
+ * </p>
+ * <p>
+ * Sample code which installs this pipeline, manual:
+ * <pre>
+ *     gl = drawable.setGL(new TraceGL(drawable.getGL(), System.err));
+ * </pre> 
+ * For automatic instantiation see {@link GLPipelineFactory#create(String, Class, GL, Object[])}.
+ * </p>
+ */
+public class TraceGL3 extends TraceGL4bc {
+    public TraceGL3(GL3 downstream, PrintStream stream) {
+        super((GL4bc)downstream, stream);
+    }
+}
diff --git a/src/jogl/classes/javax/media/opengl/TraceGL3bc.java b/src/jogl/classes/javax/media/opengl/TraceGL3bc.java
new file mode 100644
index 000000000..f3761d4d6
--- /dev/null
+++ b/src/jogl/classes/javax/media/opengl/TraceGL3bc.java
@@ -0,0 +1,23 @@
+package javax.media.opengl;
+
+import java.io.PrintStream;
+
+/**
+ * <p>
+ * Composable pipeline which wraps an underlying {@link GL} implementation,
+ * providing tracing information to a user-specified {@link java.io.PrintStream}
+ * before and after each OpenGL method call.
+ * </p>
+ * <p>
+ * Sample code which installs this pipeline, manual:
+ * <pre>
+ *     gl = drawable.setGL(new TraceGL(drawable.getGL(), System.err));
+ * </pre> 
+ * For automatic instantiation see {@link GLPipelineFactory#create(String, Class, GL, Object[])}.
+ * </p>
+ */
+public class TraceGL3bc extends TraceGL4bc {
+    public TraceGL3bc(GL3bc downstream, PrintStream stream) {
+        super((GL4bc)downstream, stream);
+    }
+}
diff --git a/src/jogl/classes/javax/media/opengl/TraceGL4.java b/src/jogl/classes/javax/media/opengl/TraceGL4.java
new file mode 100644
index 000000000..a12bf0f47
--- /dev/null
+++ b/src/jogl/classes/javax/media/opengl/TraceGL4.java
@@ -0,0 +1,23 @@
+package javax.media.opengl;
+
+import java.io.PrintStream;
+
+/**
+ * <p>
+ * Composable pipeline which wraps an underlying {@link GL} implementation,
+ * providing tracing information to a user-specified {@link java.io.PrintStream}
+ * before and after each OpenGL method call.
+ * </p>
+ * <p>
+ * Sample code which installs this pipeline, manual:
+ * <pre>
+ *     gl = drawable.setGL(new TraceGL(drawable.getGL(), System.err));
+ * </pre> 
+ * For automatic instantiation see {@link GLPipelineFactory#create(String, Class, GL, Object[])}.
+ * </p>
+ */
+public class TraceGL4 extends TraceGL4bc {
+    public TraceGL4(GL4 downstream, PrintStream stream) {
+        super((GL4bc)downstream, stream);
+    }
+}
diff --git a/src/jogl/classes/javax/media/opengl/TraceGLES2.java b/src/jogl/classes/javax/media/opengl/TraceGLES2.java
new file mode 100644
index 000000000..38d60e3ac
--- /dev/null
+++ b/src/jogl/classes/javax/media/opengl/TraceGLES2.java
@@ -0,0 +1,23 @@
+package javax.media.opengl;
+
+import java.io.PrintStream;
+
+/**
+ * <p>
+ * Composable pipeline which wraps an underlying {@link GL} implementation,
+ * providing tracing information to a user-specified {@link java.io.PrintStream}
+ * before and after each OpenGL method call.
+ * </p>
+ * <p>
+ * Sample code which installs this pipeline, manual:
+ * <pre>
+ *     gl = drawable.setGL(new TraceGL(drawable.getGL(), System.err));
+ * </pre> 
+ * For automatic instantiation see {@link GLPipelineFactory#create(String, Class, GL, Object[])}.
+ * </p>
+ */
+public class TraceGLES2 extends TraceGLES3 {
+    public TraceGLES2(GLES2 downstream, PrintStream stream) {
+        super((GLES3)downstream, stream);
+    }
+}
diff --git a/src/jogl/classes/javax/media/opengl/awt/GLJPanel.java b/src/jogl/classes/javax/media/opengl/awt/GLJPanel.java
index b11f359be..2a23defbe 100644
--- a/src/jogl/classes/javax/media/opengl/awt/GLJPanel.java
+++ b/src/jogl/classes/javax/media/opengl/awt/GLJPanel.java
@@ -110,6 +110,7 @@ import com.jogamp.opengl.util.awt.AWTGLPixelBuffer.SingleAWTGLPixelBufferProvide
     <P>
     In case FBO is used and GLSL is available, a fragment shader is utilized
     to flip the FBO texture vertically. This hardware-accelerated step can be disabled via system property <code>jogl.gljpanel.noglsl</code>.
+    See <a href="#fboGLSLVerticalFlip">details here</a>.
     </P>
     <P>
     The OpenGL path is concluded by copying the rendered pixels an {@link BufferedImage} via {@link GL#glReadPixels(int, int, int, int, int, int, java.nio.Buffer) glReadPixels(..)}
@@ -125,15 +126,21 @@ import com.jogamp.opengl.util.awt.AWTGLPixelBuffer.SingleAWTGLPixelBufferProvide
     on the prepared {@link BufferedImage} as described above.
     </p>
     <P>
- *  Please read <A HREF="GLCanvas.html#java2dgl">Java2D OpenGL Remarks</A>.
+ *  Please read <a href="GLCanvas.html#java2dgl">Java2D OpenGL Remarks</a>.
  *  </P>
+ *  
+    <a name="fboGLSLVerticalFlip"><h5>FBO / GLSL Vertical Flip</h5></a>     
+    The FBO / GLSL code path uses one texture-unit and binds the FBO texture to it's active texture-target,
+    see {@link #setTextureUnit(int)} and {@link #getTextureUnit()}.
+    If the application uses the same texture-unit, ensure it setup their texture properly, i.e. texture-unit bind, enable and then it's parameters,
+    see {@link Texture#textureCallOrder Order of Texture Commands}.
 */
 
 @SuppressWarnings("serial")
 public class GLJPanel extends JPanel implements AWTGLAutoDrawable, WindowClosingProtocol {
-  private static final boolean DEBUG = Debug.debug("GLJPanel");
-  private static final boolean DEBUG_VIEWPORT = Debug.isPropertyDefined("jogl.debug.GLJPanel.Viewport", true);
-  private static final boolean USE_GLSL_TEXTURE_RASTERIZER = !Debug.isPropertyDefined("jogl.gljpanel.noglsl", true);    
+  private static final boolean DEBUG;
+  private static final boolean DEBUG_VIEWPORT;
+  private static final boolean USE_GLSL_TEXTURE_RASTERIZER;    
 
   /** Indicates whether the Java 2D OpenGL pipeline is requested by user. */
   private static final boolean java2dOGLEnabledByProp;
@@ -145,11 +152,17 @@ public class GLJPanel extends JPanel implements AWTGLAutoDrawable, WindowClosing
   private static boolean java2DGLPipelineOK;
   
   static {
+      Debug.initSingleton();
+      DEBUG = Debug.debug("GLJPanel");
+      DEBUG_VIEWPORT = Debug.isPropertyDefined("jogl.debug.GLJPanel.Viewport", true);
+      USE_GLSL_TEXTURE_RASTERIZER = !Debug.isPropertyDefined("jogl.gljpanel.noglsl", true);
+      
       boolean enabled = false;
       final String sVal = System.getProperty("sun.java2d.opengl");
       if( null != sVal ) {
           enabled = Boolean.valueOf(sVal);
       }
+      Debug.initSingleton();
       java2dOGLEnabledByProp = enabled && !Debug.isPropertyDefined("jogl.gljpanel.noogl", true);
 
       enabled = false;
@@ -212,6 +225,8 @@ public class GLJPanel extends JPanel implements AWTGLAutoDrawable, WindowClosing
   private int viewportX;
   private int viewportY;
 
+  private int requestedTextureUnit = 0; // default
+  
   // The backend in use
   private volatile Backend backend;
 
@@ -731,6 +746,40 @@ public class GLJPanel extends JPanel implements AWTGLAutoDrawable, WindowClosing
     return factory;
   }
 
+  /** 
+   * Returns the used texture unit, i.e. a value of [0..n], or -1 if non used.
+   * <p>
+   * If implementation uses a texture-unit, it will be known only after the first initialization, i.e. display call.
+   * </p> 
+   * <p>
+   * See <a href="#fboGLSLVerticalFlip">FBO / GLSL Vertical Flip</a>.
+   * </p>
+   */
+  public final int getTextureUnit() {
+    final Backend b = backend;
+    if ( null == b ) {
+        return -1;
+    }
+    return b.getTextureUnit();      
+  }
+  
+  /**
+   * Allows user to request a texture unit to be used,
+   * must be called before the first initialization, i.e. {@link #display()} call.
+   * <p>
+   * Defaults to <code>0</code>.
+   * </p>
+   * <p>
+   * See <a href="#fboGLSLVerticalFlip">FBO / GLSL Vertical Flip</a>.
+   * </p>
+   * 
+   * @param v requested texture unit
+   * @see #getTextureUnit()
+   */
+  public final void setTextureUnit(int v) {
+      requestedTextureUnit = v;
+  }
+  
   //----------------------------------------------------------------------
   // Internals only below this point
   //
@@ -947,6 +996,9 @@ public class GLJPanel extends JPanel implements AWTGLAutoDrawable, WindowClosing
     // Called to get the current backend's GLDrawable
     public GLDrawable getDrawable();
 
+    /** Returns the used texture unit, i.e. a value of [0..n], or -1 if non used. */
+    public int getTextureUnit();
+    
     // Called to fetch the "real" GLCapabilities for the backend
     public GLCapabilitiesImmutable getChosenGLCapabilities();
 
@@ -987,7 +1039,6 @@ public class GLJPanel extends JPanel implements AWTGLAutoDrawable, WindowClosing
     private GLDrawableImpl offscreenDrawable;
     private FBObject fboFlipped;
     private GLSLTextureRaster glslTextureRaster;
-    private final int fboTextureUnit = 0;
     
     private GLContextImpl offscreenContext;
     private boolean flipVertical;          
@@ -1035,12 +1086,13 @@ public class GLJPanel extends JPanel implements AWTGLAutoDrawable, WindowClosing
                   final boolean _autoSwapBufferMode = helper.getAutoSwapBufferMode();
                   helper.setAutoSwapBufferMode(false);
                   final GLFBODrawable fboDrawable = (GLFBODrawable) offscreenDrawable;
+                  fboDrawable.setTextureUnit( GLJPanel.this.requestedTextureUnit );
                   try {
                       fboFlipped = new FBObject();
                       fboFlipped.reset(gl, fboDrawable.getWidth(), fboDrawable.getHeight(), 0, false);
                       fboFlipped.attachTexture2D(gl, 0, chosenCaps.getAlphaBits()>0);
                       // fboFlipped.attachRenderbuffer(gl, Attachment.Type.DEPTH, 24);
-                      glslTextureRaster = new GLSLTextureRaster(fboTextureUnit, true);
+                      glslTextureRaster = new GLSLTextureRaster(fboDrawable.getTextureUnit(), true);
                       glslTextureRaster.init(gl.getGL2ES2());
                       glslTextureRaster.reshape(gl.getGL2ES2(), 0, 0, fboDrawable.getWidth(), fboDrawable.getHeight());
                   } catch (Exception ex) {
@@ -1210,7 +1262,7 @@ public class GLJPanel extends JPanel implements AWTGLAutoDrawable, WindowClosing
             fboDrawable.swapBuffers();
             fboFlipped.bind(gl);
             
-            // gl.glActiveTexture(fboDrawable.getTextureUnit()); // implicit!
+            // gl.glActiveTexture(GL.GL_TEXTURE0 + fboDrawable.getTextureUnit()); // implicit by GLFBODrawableImpl: swapBuffers/contextMadeCurent -> swapFBOImpl
             gl.glBindTexture(GL.GL_TEXTURE_2D, fboTex.getName());
             // gl.glClear(GL.GL_DEPTH_BUFFER_BIT); // fboFlipped runs w/o DEPTH!
             glslTextureRaster.display(gl.getGL2ES2());
@@ -1244,6 +1296,14 @@ public class GLJPanel extends JPanel implements AWTGLAutoDrawable, WindowClosing
         // correctness on all platforms
       }
     }
+    
+    @Override
+    public int getTextureUnit() {
+        if(null != glslTextureRaster && null != offscreenDrawable) { // implies flippedVertical
+            return ((GLFBODrawable)offscreenDrawable).getTextureUnit();
+        }
+        return -1;
+    }
 
     @Override
     public void doPaintComponent(Graphics g) {
@@ -1446,6 +1506,9 @@ public class GLJPanel extends JPanel implements AWTGLAutoDrawable, WindowClosing
     }
 
     @Override
+    public int getTextureUnit() { return -1; }
+    
+    @Override
     public GLCapabilitiesImmutable getChosenGLCapabilities() {
       // FIXME: should do better than this; is it possible to using only platform-independent code?
       return new GLCapabilities(null);