OPENGL ES no funciona: no Contexto actual

He probado el programa como se muestra en el libro OpenGL ES2 para Android, pero no funciona !!

¡He probado en Odroid E, samsung s3, samsung y, estrella de samsung !!

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the gl version suported returns 2, but i get 11-22 15:09:45.804: E/oGl-es v(9047): 2.0:131072 11-22 15:09:45.804: E/libEGL(9047): call to OpenGL ES API with no current context (logged once per thread) 11-22 15:09:45.804: E/unable to(9047): createShader 11-22 15:09:45.804: E/libEGL(9047): call to OpenGL ES API with no current context (logged once per thread) 11-22 15:09:45.804: E/unable to(9047): createShader 11-22 15:09:45.804: E/libEGL(9047): call to OpenGL ES API with no current context (logged once per thread) 11-22 15:09:45.804: E/Error creating(9047): GL programObject 11-22 15:09:45.812: E/render(9047): set 11-22 15:09:46.062: E/Results of validating program:(9047): 0 11-22 15:09:46.062: E/Results of validating program:(9047): Log: 

A continuación se muestra mi código

 public class Main_OGLT1 extends Activity { MySurface mGLSurfaceView; private boolean renderSet; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); mGLSurfaceView = new MySurface(this);//(this); //instantiation ActivityManager actMan = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE); ConfigurationInfo mConfigInfo = actMan.getDeviceConfigurationInfo(); boolean isES2Compat = (mConfigInfo.reqGlEsVersion >= 0x20000); Log.e("oGl-es v",mConfigInfo.getGlEsVersion()+":"+ mConfigInfo.reqGlEsVersion); if(isES2Compat){ renderSet = true; Log.e("render","set"); } } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.activity_main__oglt1, menu); return true; } @Override protected void onResume() { // The activity must call the GL surface view's onResume() on activity onResume(). super.onResume(); mGLSurfaceView.onResume(); } @Override protected void onPause() { // The activity must call the GL surface view's onPause() on activity onPause(). super.onPause(); mGLSurfaceView.onPause(); } } 

La clase MySurface:

  public class MySurface extends GLSurfaceView{ public MySurface(Context context) { super(context); // TODO Auto-generated constructor stub setEGLContextClientVersion(2); setRenderer(new MyTestRenderer(getContext())); } }