Fix a problem with Intel integrated graphic cards.
Included Variance Shadow Mapping
Merge pull request #7 from pseudosoftware/master

Fix a problem with Intel integrated graphic cards.
Updated sources/texture.cpp
Merge remote-tracking branch 'benny/master'

Conflicts:
	3DEngineCpp/3DGameEngineCpp.depend
	3DEngineCpp/3DGameEngineCpp.layout
	headers/texture.h
	sources/texture.cpp