@Override
    public boolean glIsEnabled(int cap) {
        // kept this always returning true for compatibility
        if (cap == GLExt.GL_MULTISAMPLE_ARB) {
            return true;
        } else {
            return JmeIosGLES.glIsEnabled(cap);
        }
    }
Implements OpenGL ES 2.0 and 3.0 for iOS. 

@author Kirill Vainer, Jesus Oliver
jme3-ios/src/main/java/com/jme3/renderer/ios/IosGL.java