Added GLI for GLM tests

test/external/gli/core/texture_cube.hpp

@@ -0,0 +1,65 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Image Copyright (c) 2008 - 2011 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2011-04-06
+// Updated : 2011-04-06
+// Licence : This source is under MIT License
+// File    : gli/core/texture_cube.hpp
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLI_CORE_TEXTURE_CUBE_INCLUDED
+#define GLI_CORE_TEXTURE_CUBE_INCLUDED
+
+#include "texture2d.hpp"
+
+namespace gli
+{
+	enum face
+	{
+		POSITIVE_X,
+		NEGATIVE_X,
+		POSITIVE_Y,
+		NEGATIVE_Y,
+		POSITIVE_Z,
+		NEGATIVE_Z,
+		FACE_MAX
+	};
+
+	class textureCube
+	{
+	public:
+		typedef texture2D::dimensions_type dimensions_type;
+		typedef texture2D::texcoord_type texcoord_type;
+		typedef texture2D::size_type size_type;
+		typedef texture2D::value_type value_type;
+		typedef texture2D::format_type format_type;
+		typedef texture2D::data_type data_type;
+		typedef texture2D::level_type level_type;
+		typedef face face_type;
+
+	public:
+		textureCube();
+
+		explicit textureCube(level_type const & Levels);
+
+		~textureCube();
+
+		texture2D & operator[] (
+			face_type const & Face);
+		texture2D const & operator[] (
+			face_type const & Face) const;
+
+		bool empty() const;
+		format_type format() const;
+		level_type levels() const;
+		void resize(level_type const & Levels);
+
+	private:
+		std::vector<texture2D> Faces;
+	};
+
+}//namespace gli
+
+#include "texture_cube.inl"
+
+#endif//GLI_CORE_TEXTURE_CUBE_INCLUDED