1 #ifndef _TCUFUZZYIMAGECOMPARE_HPP
2 #define _TCUFUZZYIMAGECOMPARE_HPP
3 /*-------------------------------------------------------------------------
4  * drawElements Quality Program Tester Core
5  * ----------------------------------------
6  *
7  * Copyright 2014 The Android Open Source Project
8  *
9  * Licensed under the Apache License, Version 2.0 (the "License");
10  * you may not use this file except in compliance with the License.
11  * You may obtain a copy of the License at
12  *
13  *      http://www.apache.org/licenses/LICENSE-2.0
14  *
15  * Unless required by applicable law or agreed to in writing, software
16  * distributed under the License is distributed on an "AS IS" BASIS,
17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18  * See the License for the specific language governing permissions and
19  * limitations under the License.
20  *
21  *//*!
22  * \file
23  * \brief Fuzzy image comparison.
24  *//*--------------------------------------------------------------------*/
25 
26 #include "tcuDefs.hpp"
27 
28 namespace tcu
29 {
30 
31 class ConstPixelBufferAccess;
32 class PixelBufferAccess;
33 
34 struct FuzzyCompareParams
35 {
FuzzyCompareParamstcu::FuzzyCompareParams36 	FuzzyCompareParams (int		maxSampleSkip_		= 8,
37 						int		minErrThreshold_	= 4,
38 						float	errExp_				= 4.0f)
39 		: maxSampleSkip		(maxSampleSkip_)
40 		, minErrThreshold	(minErrThreshold_)
41 		, errExp			(errExp_)
42 	{
43 	}
44 
45 	int		maxSampleSkip;
46 	int		minErrThreshold;
47 	float	errExp;
48 };
49 
50 float fuzzyCompare (const FuzzyCompareParams& params, const ConstPixelBufferAccess& ref, const ConstPixelBufferAccess& cmp, const PixelBufferAccess& errorMask);
51 
52 } // tcu
53 
54 #endif // _TCUFUZZYIMAGECOMPARE_HPP
55