public GLData getGLDataEffective() {
            return effective;
        }
Returns the effective data (recommended or ideal) to initialize the 
LWJGL3-AWT context.

@return A {@link org.lwjgl.opengl.awt.GLData} object
jme3-lwjgl3/src/main/java/com/jme3/system/lwjgl/LwjglCanvas.java