Function isIn

source/RenderGraph/DotExport.cpp:562–567

		}

		static bool isIn( FramePassGroupStreams const * inner
			, FramePassGroupStreams const * outer )
		{
			return outer == inner
				|| ( outer && isIn( inner, outer->getParent() ) );
		}

		static FramePassGroupStreams * getCommonGroup( FramePassGroupStreams * lhs
			, FramePassGroupStreams const * rhs )