1 #ifndef _TCUIMAGECOMPARE_HPP
2 #define _TCUIMAGECOMPARE_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 Image comparison utilities.
24  *//*--------------------------------------------------------------------*/
25 
26 #include "tcuDefs.hpp"
27 #include "tcuVectorType.hpp"
28 
29 namespace tcu
30 {
31 
32 class RGBA;
33 class Surface;
34 class ConstPixelBufferAccess;
35 class TestLog;
36 
37 enum CompareLogMode
38 {
39 	COMPARE_LOG_EVERYTHING	= 0,	//!< Always log both reference, result and error mask.
40 	COMPARE_LOG_RESULT,				//!< If comparison passes, log result only. If fails, everything is written to log.
41 	COMPARE_LOG_ON_ERROR,			//!< If comparison passes, nothing is logged. If fails, everything is written to log.
42 
43 	COMPARE_LOG_LAST
44 };
45 
46 // Utilities for comparing and logging.
47 bool	pixelThresholdCompare								(TestLog& log, const char* imageSetName, const char* imageSetDesc, const Surface& reference, const Surface& result, const RGBA& threshold, CompareLogMode logMode);
48 bool	fuzzyCompare										(TestLog& log, const char* imageSetName, const char* imageSetDesc, const Surface& reference, const Surface& result, float threshold, CompareLogMode logMode);
49 int		measurePixelDiffAccuracy							(TestLog& log, const char* imageSetName, const char* imageSetDesc, const Surface& reference, const Surface& result, int bestScoreDiff, int worstScoreDiff, CompareLogMode logMode);
50 
51 bool	fuzzyCompare										(TestLog& log, const char* imageSetName, const char* imageSetDesc, const ConstPixelBufferAccess& reference, const ConstPixelBufferAccess& result, float threshold, CompareLogMode logMode);
52 bool	floatUlpThresholdCompare							(TestLog& log, const char* imageSetName, const char* imageSetDesc, const ConstPixelBufferAccess& reference, const ConstPixelBufferAccess& result, const UVec4& threshold, CompareLogMode logMode);
53 bool	floatThresholdCompare								(TestLog& log, const char* imageSetName, const char* imageSetDesc, const ConstPixelBufferAccess& reference, const ConstPixelBufferAccess& result, const Vec4& threshold, CompareLogMode logMode);
54 bool	floatThresholdCompare								(TestLog& log, const char* imageSetName, const char* imageSetDesc, const Vec4& reference, const ConstPixelBufferAccess& result, const Vec4& threshold, CompareLogMode logMode);
55 bool	intThresholdCompare									(TestLog& log, const char* imageSetName, const char* imageSetDesc, const ConstPixelBufferAccess& reference, const ConstPixelBufferAccess& result, const UVec4& threshold, CompareLogMode logMode);
56 bool	intThresholdPositionDeviationCompare				(TestLog& log, const char* imageSetName, const char* imageSetDesc, const ConstPixelBufferAccess& reference, const ConstPixelBufferAccess& result, const UVec4& threshold, const tcu::IVec3& maxPositionDeviation, bool acceptOutOfBoundsAsAnyValue, CompareLogMode logMode);
57 bool	intThresholdPositionDeviationErrorThresholdCompare	(TestLog& log, const char* imageSetName, const char* imageSetDesc, const ConstPixelBufferAccess& reference, const ConstPixelBufferAccess& result, const UVec4& threshold, const tcu::IVec3& maxPositionDeviation, bool acceptOutOfBoundsAsAnyValue, int maxAllowedFailingPixels, CompareLogMode logMode);
58 int		measurePixelDiffAccuracy							(TestLog& log, const char* imageSetName, const char* imageSetDesc, const ConstPixelBufferAccess& reference, const ConstPixelBufferAccess& result, int bestScoreDiff, int worstScoreDiff, CompareLogMode logMode);
59 bool	bilinearCompare										(TestLog& log, const char* imageSetName, const char* imageSetDesc, const ConstPixelBufferAccess& reference, const ConstPixelBufferAccess& result, const RGBA threshold, CompareLogMode logMode);
60 
61 } // tcu
62 
63 #endif // _TCUIMAGECOMPARE_HPP
64