/// 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.

/// @file IRunner.h
/// This source file is part of CUDA Ray Casting test.
/// The file holds the IRunner class interface.
/// @author Ruben Penalva (ruben.penalva@rpenalva.com)
#ifndef _I_RUNNER_H_
#define _I_RUNNER_H_

namespace GlutWrapper
{

/// @brief Runs the test. It's used by Window
/// @note GlutWrapper::Window
class IRunner
{
public:
	/// @brief It is called after opengl context is created.
	/// It can be used to setup opengl states.
	virtual void InitializeOpengl(void) = 0;

	/// @brief Runs a step of the test. Its called once
	/// every iteration of the main loop.
	virtual void Run(float elapsedTime) = 0;

	/// @brief It is called when the window has been reshaped.
	/// @param width render window width
	/// @param height render window height
	virtual void Reshape(int width, int height) = 0;

protected:	
	/// Contructor hidden from user
	IRunner(void){};
	
	/// Destructor hidden from user
	virtual ~IRunner(void) = 0 {};

private:
	/// @note hide copy constructor from interface user
	IRunner(const IRunner&);

	/// @note hide assignment operator from interface user
	IRunner& operator=(const IRunner&);

};

}
#endif