@Override
    public void glTexImage2DMultisample(final int target, final int samples, final int internalFormat, final int width,
                                        final int height, final boolean fixedSampleLocations) {
        ARBTextureMultisample.glTexImage2DMultisample(target, samples, internalFormat, width, height, fixedSampleLocations);
    }
The LWJGL implementation og {@link GLExt}.
jme3-lwjgl3/src/main/java/com/jme3/renderer/lwjgl/LwjglGLExt.java