Added GLI for GLM tests

test/external/gli/gtx/gl_texture2d.hpp

@@ -0,0 +1,33 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Image Copyright (c) 2008 - 2011 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2010-09-27
+// Updated : 2010-10-01
+// Licence : This source is under MIT License
+// File    : gli/gtx/gl_texture2d.hpp
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLI_GTX_GL_TEXTURE2D_INCLUDED
+#define GLI_GTX_GL_TEXTURE2D_INCLUDED
+
+#include "../gli.hpp"
+#include "../gtx/loader.hpp"
+
+#ifndef GL_VERSION_1_1
+#error "ERROR: OpenGL must be included before GLI_GTX_gl_texture2d"
+#endif//GL_VERSION_1_1
+
+namespace gli{
+namespace gtx{
+namespace gl_texture2d
+{
+	GLuint createTexture2D(std::string const & Filename);
+}//namespace gl_texture2d
+}//namespace gtx
+}//namespace gli
+
+namespace gli{using namespace gtx::gl_texture2d;}
+
+#include "gl_texture2d.inl"
+
+#endif//GLI_GTX_GL_TEXTURE2D_INCLUDED