framework/common/tcuFuzzyImageCompare.hpp

#ifndef _TCUFUZZYIMAGECOMPARE_HPP
#define _TCUFUZZYIMAGECOMPARE_HPP
/*-------------------------------------------------------------------------
 * drawElements Quality Program Tester Core
 * ----------------------------------------
 *
 * Copyright 2014 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 *//*!
 * \file
 * \brief Fuzzy image comparison.
 *//*--------------------------------------------------------------------*/

#include "tcuDefs.hpp"

namespace tcu
{

class ConstPixelBufferAccess;
class PixelBufferAccess;

struct FuzzyCompareParams
{
	FuzzyCompareParams (int		maxSampleSkip_		= 8,
						int		minErrThreshold_	= 4,
						float	errExp_				= 4.0f)
		: maxSampleSkip		(maxSampleSkip_)
		, minErrThreshold	(minErrThreshold_)
		, errExp			(errExp_)
	{
	}

	int		maxSampleSkip;
	int		minErrThreshold;
	float	errExp;
};

float fuzzyCompare (const FuzzyCompareParams& params, const ConstPixelBufferAccess& ref, const ConstPixelBufferAccess& cmp, const PixelBufferAccess& errorMask);

} // tcu

#endif // _TCUFUZZYIMAGECOMPARE_HPP