public boolean isGL2();

  public boolean isGLES1();

  public boolean isGLES2();

  public boolean isGLES();

  public boolean isGL2ES1();

  public boolean isGL2ES2();

  public GL2 getGL2() throws GLException;

  public GLES1 getGLES1() throws GLException;

  public GLES2 getGLES2() throws GLException;

  public GL2ES1 getGL2ES1() throws GLException;

  public GL2ES2 getGL2ES2() throws GLException;

  public boolean matchesProfile();

  public boolean matchesProfile(String test_profile);