@Override
    public void glTexImage2DMultisample(int target, int samples, int internalformat, int width, int height, boolean fixedSampleLocations) {
        throw new UnsupportedOperationException("Multisample textures not available on iOS");
    }
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