text: ///////////////////////////////////////////////////////////////////////////////////
  /// OpenGL Image (gli.g-truc.net)
  ///
  /// Copyright (c) 2008 - 2013 G-Truc Creation (www.g-truc.net)
  /// Permission is hereby granted, free of charge, to any person obtaining a copy
  /// of this software and associated documentation files (the "Software"), to deal
  /// in the Software without restriction, including without limitation the rights
  /// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  /// copies of the Software, and to permit persons to whom the Software is
  /// furnished to do so, subject to the following conditions:
  ///
  /// The above copyright notice and this permission notice shall be included in
  /// all copies or substantial portions of the Software.
  ///
  /// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  /// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  /// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  /// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  /// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  /// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  /// THE SOFTWARE.
  ///
  /// @ref core
  /// @file gli/core/gl.hpp
  /// @date 2013-11-09 / 2013-11-09
  /// @author Christophe Riccio
  ///////////////////////////////////////////////////////////////////////////////////
  
  #pragma once
  
  #include "storage.hpp"
  #include <array>
  
  namespace gli
  {
  	class gl
  	{
  		typedef unsigned int GLenum;
  		typedef int GLint;
  
  		struct desc
  		{
  			internalFormat Internal;
  			externalFormat External;
  			typeFormat Type;
  			GLint Swizzle[4];
  		};
  
  	public:
  		gl();
  
  		GLenum internal_format(format const & Format) const;
  		GLenum external_format(format const & Format) const;
  		GLenum type_format(format const & Format) const;
  		GLint const * const swizzle(format const & Format) const;
  
  	private:
  		std::array<desc, FORMAT_COUNT> Desc;
  	};
  }//namespace gli
  
  #include "gl.inl"
  