Added GLI for GLM tests

test/external/gli/gtx/fetch.hpp

@@ -0,0 +1,46 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Image Copyright (c) 2008 - 2011 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2008-12-19
+// Updated : 2010-09-27
+// Licence : This source is under MIT License
+// File    : gli/gtx/fetch.hpp
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLI_GTX_FETCH_INCLUDED
+#define GLI_GTX_FETCH_INCLUDED
+
+#include "../gli.hpp"
+
+namespace gli{
+namespace gtx{
+namespace fetch
+{
+	template <typename genType>
+	genType texelFetch(
+		texture2D const & Texture, 
+		texture2D::dimensions_type const & Texcoord,
+		texture2D::level_type const & Level);
+
+	template <typename genType>
+	genType textureLod(
+		texture2D const & Texture, 
+		texture2D::texcoord_type const & Texcoord,
+		texture2D::level_type const & Level);
+
+	template <typename genType>
+	void texelWrite(
+		texture2D & Texture,
+		texture2D::dimensions_type const & Texcoord,
+		texture2D::level_type const & Level,
+		genType const & Color);
+
+}//namespace fetch
+}//namespace gtx
+}//namespace gli
+
+namespace gli{using namespace gtx::fetch;}
+
+#include "fetch.inl"
+
+#endif//GLI_GTX_FETCH_INCLUDED