/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef SAGA2_GFX_H
#define SAGA2_GFX_H

#include "common/noncopyable.h"

namespace Saga2 {

enum BackBufferSource {
	kBeforeOpeningMenu,
	kBeforeTakingThumbnail,
	kMaxBackBufferSources
};

class Renderer : public Common::NonCopyable {
private:
	byte *_savedBackBuffers[kMaxBackBufferSources];
	
public:
	Renderer();
	~Renderer();

	void saveBackBuffer(BackBufferSource source);

	void popSavedBackBuffer(BackBufferSource source);

	void restoreSavedBackBuffer(BackBufferSource source);

	void removeSavedBackBuffer(BackBufferSource source);

	bool hasSavedBackBuffer(BackBufferSource source);
};

} // end of namespace Saga2

#endif