//////////////////////////////////////////////////////////////////////
//
//                             Pixie
//
// Copyright © 1999 - 2003, Okan Arikan
//
// Contact: okan@cs.berkeley.edu
//
// This library 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 2 of the License, or (at your option) any later version.
// 
// This library 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 library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
///////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////
//
//  File				:	cache.h
//  Classes				:	A renderer cache
//  Description			:
//
////////////////////////////////////////////////////////////////////////
#ifndef CACHE_H
#define CACHE_H

#include "common/global.h"
#include "common/os.h"
#include "common/algebra.h"
#include "fileResource.h"
#include "shader.h"

const	unsigned int	CACHE_SAMPLE	=	1;		// Cache needs to be sampled
const	unsigned int	CACHE_READ		=	2;		// Read the cache
const	unsigned int	CACHE_WRITE		=	4;		// Write the cache

///////////////////////////////////////////////////////////////////////
// Class				:	CCache
// Description			:	Encapsulates a renderer cache
// Comments				:
// Date last edited		:	10/15/2005
class	CCache : public CFileResource  {
public:
					CCache(const char *,unsigned int);
					~CCache();

	virtual	void	lookup(float *,const float *,const float *,const CGlobalIllumLookup *)		=	0;
	virtual	void	cachesample(float *,const float *,const float *,float)						=	0;
	virtual	void	finalize(const CGlobalIllumLookup *)	{	}

protected:
	unsigned int	flags;
};


#endif