/// Copyright (c) 2010 Ruben Penalva. All rights reserved.
/// Redistribution and use in source and binary forms, with or without modification, 
/// are permitted provided that the following conditions are met:
///    1. Redistributions of source code must retain the above copyright notice, this 
///    list of conditions and the following disclaimer.
///    2. Redistributions in binary form must reproduce the above copyright notice,
///    this list of conditions and the following disclaimer in the documentation and/or
///    other materials provided with the distribution.
///    3. The name of the author may not be used to endorse or promote products derived
///    from this software without specific prior written permission.
///
/// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
/// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
/// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 
/// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 
/// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
/// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 
/// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef _OPENGL_PROGRAM_H_
#define _OPENGL_PROGRAM_H_

#include <GL\glew.h>

#include "OpenglShader.h"
#include <vector>
#include "Vector3.h"
#include "Matrix4x4.h"
#include <boost\utility.hpp>
#include <boost\weak_ptr.hpp>

namespace TestFrameWork
{

class OpenglProgram :
	boost::noncopyable
{
public:
	OpenglProgram(const std::vector<ShaderFileDesc>& shaders);

	~OpenglProgram(void);

	GLuint GetOpenglId(void) const;

	void SetParameter(const std::string& name, float value);

	void SetParameter(const std::string& name, const Vector3& vector);

	void SetParameter(const std::string& name, const Matrix4x4& matrix);

	void SetParameter(const std::string& name, int value);

	void SetTextureUnit(const std::string& name, int unit);

private:
	std::vector<OpenglShaderPtr> m_shaders;

	GLuint m_id;

	void CreateShaders(const std::vector<ShaderFileDesc>& shaders);

	void CreateProgram(void);
};


typedef boost::shared_ptr<OpenglProgram> OpenglProgramPtr;
typedef boost::weak_ptr<OpenglProgram> OpenglProgramWeakPtr;
}

#endif