Used to determine whether icetGLInitialize was called for the current IceT context. If icetGLIsInitialized returns false, then rendering with the OpenGL layer will not work.
Returns ICET_TRUE if the OpenGL layer has been initialized for the current context, ICET_FALSE otherwise.
Copyright (C)2010 Sandia Corporation
Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains certain rights in this software.
This source code is released under the New BSD License.