Bugfix: ETC works in 4x4 blocks.
Bugfix: ETC works in 4x4 blocks.

See
https://github.com/Ericsson/ETCPACK/blob/master/source/etcpack.cxx#L314

RealityFactory/ogre,RealityFactory/ogre,RealityFactory/ogre,RealityFactory/ogre,RealityFactory/ogre