[Samples] Enable IsoSurf sample to run in pure HLSL mode.
[Samples] Enable IsoSurf sample to run in pure HLSL mode.

RealityFactory/ogre,OGRECave/ogre,paroj/ogre,OGRECave/ogre,OGRECave/ogre,RealityFactory/ogre,RealityFactory/ogre,RealityFactory/ogre,paroj/ogre,paroj/ogre,paroj/ogre,paroj/ogre,OGRECave/ogre,OGRECave/ogre,RealityFactory/ogre