1 /*-------------------------------------------------------------------------
2  * drawElements Internal Test Module
3  * ---------------------------------
4  *
5  * Copyright 2014 The Android Open Source Project
6  *
7  * Licensed under the Apache License, Version 2.0 (the "License");
8  * you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at
10  *
11  *      http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing, software
14  * distributed under the License is distributed on an "AS IS" BASIS,
15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16  * See the License for the specific language governing permissions and
17  * limitations under the License.
18  *
19  *//*!
20  * \file
21  * \brief Image comparison tests.
22  *//*--------------------------------------------------------------------*/
23 
24 #include "ditImageCompareTests.hpp"
25 #include "tcuResource.hpp"
26 #include "tcuImageCompare.hpp"
27 #include "tcuFuzzyImageCompare.hpp"
28 #include "tcuImageIO.hpp"
29 #include "tcuTexture.hpp"
30 #include "tcuTestLog.hpp"
31 #include "tcuTextureUtil.hpp"
32 #include "tcuRGBA.hpp"
33 #include "deFilePath.hpp"
34 #include "deClock.h"
35 
36 namespace dit
37 {
38 
39 using tcu::TestLog;
40 
41 static const char*	BASE_DIR			= "internal/data/imagecompare";
42 
loadImageRGBA8(tcu::TextureLevel & dst,const tcu::Archive & archive,const char * path)43 static void loadImageRGBA8 (tcu::TextureLevel& dst, const tcu::Archive& archive, const char* path)
44 {
45 	tcu::TextureLevel tmp;
46 	tcu::ImageIO::loadImage(tmp, archive, path);
47 
48 	dst.setStorage(tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNORM_INT8), tmp.getWidth(), tmp.getHeight());
49 	tcu::copy(dst, tmp);
50 }
51 
52 class FuzzyComparisonMetricCase : public tcu::TestCase
53 {
54 public:
FuzzyComparisonMetricCase(tcu::TestContext & testCtx,const char * name,const char * refImg,const char * cmpImg,const float minBound,const float maxBound)55 	FuzzyComparisonMetricCase (tcu::TestContext& testCtx, const char* name, const char* refImg, const char* cmpImg, const float minBound, const float maxBound)
56 		: tcu::TestCase	(testCtx, name, "")
57 		, m_refImg		(refImg)
58 		, m_cmpImg		(cmpImg)
59 		, m_minBound	(minBound)
60 		, m_maxBound	(maxBound)
61 	{
62 	}
63 
iterate(void)64 	IterateResult iterate (void)
65 	{
66 		tcu::TextureLevel		refImg;
67 		tcu::TextureLevel		cmpImg;
68 		tcu::TextureLevel		errorMask;
69 		tcu::FuzzyCompareParams	params;
70 		float					result		= 0.0f;
71 		deUint64				compareTime	= 0;
72 
73 		params.maxSampleSkip = 0;
74 
75 		tcu::ImageIO::loadImage(refImg, m_testCtx.getArchive(), de::FilePath::join(BASE_DIR, m_refImg).getPath());
76 		tcu::ImageIO::loadImage(cmpImg, m_testCtx.getArchive(), de::FilePath::join(BASE_DIR, m_cmpImg).getPath());
77 
78 		errorMask.setStorage(refImg.getFormat(), refImg.getWidth(), refImg.getHeight(), refImg.getDepth());
79 
80 		{
81 			const deUint64 startTime = deGetMicroseconds();
82 			result = tcu::fuzzyCompare(params, refImg, cmpImg, errorMask);
83 			compareTime = deGetMicroseconds()-startTime;
84 		}
85 
86 		m_testCtx.getLog() << TestLog::Float("Result", "Result metric", "", QP_KEY_TAG_NONE, result)
87 						   << TestLog::Float("MinBound", "Minimum bound", "", QP_KEY_TAG_NONE, m_minBound)
88 						   << TestLog::Float("MaxBound", "Maximum bound", "", QP_KEY_TAG_NONE, m_maxBound)
89 						   << TestLog::Integer("CompareTime", "Comparison time", "us", QP_KEY_TAG_TIME, compareTime);
90 
91 		{
92 			const bool isOk = de::inRange(result, m_minBound, m_maxBound);
93 			m_testCtx.setTestResult(isOk ? QP_TEST_RESULT_PASS	: QP_TEST_RESULT_FAIL,
94 									isOk ? "Pass"				: "Metric out of bounds");
95 		}
96 
97 		return STOP;
98 	}
99 
100 private:
101 	const std::string	m_refImg;
102 	const std::string	m_cmpImg;
103 	const float			m_minBound;
104 	const float			m_maxBound;
105 };
106 
107 class BilinearCompareCase : public tcu::TestCase
108 {
109 public:
BilinearCompareCase(tcu::TestContext & testCtx,const char * name,const char * refImg,const char * cmpImg,const tcu::RGBA & threshold,bool expectedResult)110 	BilinearCompareCase (tcu::TestContext& testCtx, const char* name, const char* refImg, const char* cmpImg, const tcu::RGBA& threshold, bool expectedResult)
111 		: tcu::TestCase		(testCtx, name, "")
112 		, m_refImg			(refImg)
113 		, m_cmpImg			(cmpImg)
114 		, m_threshold		(threshold)
115 		, m_expectedResult	(expectedResult)
116 	{
117 	}
118 
iterate(void)119 	IterateResult iterate (void)
120 	{
121 		tcu::TextureLevel		refImg;
122 		tcu::TextureLevel		cmpImg;
123 		bool					result;
124 		deUint64				compareTime	= 0;
125 
126 		loadImageRGBA8(refImg, m_testCtx.getArchive(), de::FilePath::join(BASE_DIR, m_refImg).getPath());
127 		loadImageRGBA8(cmpImg, m_testCtx.getArchive(), de::FilePath::join(BASE_DIR, m_cmpImg).getPath());
128 
129 		{
130 			const deUint64 startTime = deGetMicroseconds();
131 			result = tcu::bilinearCompare(m_testCtx.getLog(), "CompareResult", "Image comparison result", refImg, cmpImg, m_threshold, tcu::COMPARE_LOG_EVERYTHING);
132 			compareTime = deGetMicroseconds()-startTime;
133 		}
134 
135 		m_testCtx.getLog() << TestLog::Integer("CompareTime", "Comparison time", "us", QP_KEY_TAG_TIME, compareTime);
136 
137 		{
138 			const bool isOk = result == m_expectedResult;
139 			m_testCtx.setTestResult(isOk ? QP_TEST_RESULT_PASS	: QP_TEST_RESULT_FAIL,
140 									isOk ? "Pass"				: "Wrong comparison result");
141 		}
142 
143 		return STOP;
144 	}
145 
146 private:
147 	const std::string		m_refImg;
148 	const std::string		m_cmpImg;
149 	const tcu::RGBA			m_threshold;
150 	const bool				m_expectedResult;
151 };
152 
153 class FuzzyComparisonMetricTests : public tcu::TestCaseGroup
154 {
155 public:
FuzzyComparisonMetricTests(tcu::TestContext & testCtx)156 	FuzzyComparisonMetricTests (tcu::TestContext& testCtx)
157 		: tcu::TestCaseGroup(testCtx, "fuzzy_metric", "Fuzzy comparison metrics")
158 	{
159 	}
160 
init(void)161 	void init (void)
162 	{
163 		addChild(new FuzzyComparisonMetricCase(m_testCtx, "identical",		"cube_ref.png",				"cube_ref.png",				0.0f,			0.000001f));
164 		addChild(new FuzzyComparisonMetricCase(m_testCtx, "cube",			"cube_ref.png",				"cube_cmp.png",				0.0029f,		0.0031f));
165 		addChild(new FuzzyComparisonMetricCase(m_testCtx, "cube_2",			"cube_2_ref.png",			"cube_2_cmp.png",			0.0134f,		0.0140f));
166 		addChild(new FuzzyComparisonMetricCase(m_testCtx, "cube_sphere",	"cube_sphere_ref.png",		"cube_sphere_cmp.png",		0.0730f,		0.0801f));
167 		addChild(new FuzzyComparisonMetricCase(m_testCtx, "cube_nmap",		"cube_nmap_ref.png",		"cube_nmap_cmp.png",		0.0024f,		0.0025f));
168 		addChild(new FuzzyComparisonMetricCase(m_testCtx, "cube_nmap_2",	"cube_nmap_2_ref.png",		"cube_nmap_2_cmp.png",		0.0172f,		0.0189f));
169 		addChild(new FuzzyComparisonMetricCase(m_testCtx, "earth_diffuse",	"earth_diffuse_ref.png",	"earth_diffuse_cmp.png",	0.0f,			0.00002f));
170 		addChild(new FuzzyComparisonMetricCase(m_testCtx, "eath_texture",	"earth_texture_ref.png",	"earth_texture_cmp.png",	0.0002f,		0.0003f));
171 		addChild(new FuzzyComparisonMetricCase(m_testCtx, "earth_spot",		"earth_spot_ref.png",		"earth_spot_cmp.png",		0.0015f,		0.0018f));
172 		addChild(new FuzzyComparisonMetricCase(m_testCtx, "earth_light",	"earth_light_ref.png",		"earth_light_cmp.png",		1.7050f,		1.7070f));
173 		addChild(new FuzzyComparisonMetricCase(m_testCtx, "lessThan0",		"lessThan0-reference.png",	"lessThan0-result.png",		0.0003f,		0.0004f));
174 		addChild(new FuzzyComparisonMetricCase(m_testCtx, "cube_sphere_2",	"cube_sphere_2_ref.png",	"cube_sphere_2_cmp.png",	0.0207f,		0.0230f));
175 		addChild(new FuzzyComparisonMetricCase(m_testCtx, "earth_to_empty",	"earth_spot_ref.png",		"empty_256x256.png",		77074.0f,		77076.0f));
176 	}
177 };
178 
179 class BilinearCompareTests : public tcu::TestCaseGroup
180 {
181 public:
BilinearCompareTests(tcu::TestContext & testCtx)182 	BilinearCompareTests (tcu::TestContext& testCtx)
183 		: tcu::TestCaseGroup(testCtx, "bilinear_compare", "Bilinear Image Comparison Tests")
184 	{
185 	}
186 
init(void)187 	void init (void)
188 	{
189 		addChild(new BilinearCompareCase(m_testCtx, "identical",				"cube_ref.png",						"cube_ref.png",						tcu::RGBA(0,0,0,0),			true));
190 		addChild(new BilinearCompareCase(m_testCtx, "empty_to_white",			"empty_256x256.png",				"white_256x256.png",				tcu::RGBA(7,7,7,2),			false));
191 		addChild(new BilinearCompareCase(m_testCtx, "white_to_empty",			"white_256x256.png",				"empty_256x256.png",				tcu::RGBA(7,7,7,2),			false));
192 		addChild(new BilinearCompareCase(m_testCtx, "cube",						"cube_ref.png",						"cube_cmp.png",						tcu::RGBA(7,7,7,2),			false));
193 		addChild(new BilinearCompareCase(m_testCtx, "cube_2",					"cube_2_ref.png",					"cube_2_cmp.png",					tcu::RGBA(7,7,7,2),			false));
194 		addChild(new BilinearCompareCase(m_testCtx, "cube_sphere",				"cube_sphere_ref.png",				"cube_sphere_cmp.png",				tcu::RGBA(7,7,7,2),			false));
195 		addChild(new BilinearCompareCase(m_testCtx, "cube_nmap",				"cube_nmap_ref.png",				"cube_nmap_cmp.png",				tcu::RGBA(7,7,7,2),			false));
196 		addChild(new BilinearCompareCase(m_testCtx, "cube_nmap_2",				"cube_nmap_2_ref.png",				"cube_nmap_2_cmp.png",				tcu::RGBA(7,7,7,2),			false));
197 		addChild(new BilinearCompareCase(m_testCtx, "earth_diffuse",			"earth_diffuse_ref.png",			"earth_diffuse_cmp.png",			tcu::RGBA(20,20,20,2),		true));
198 		addChild(new BilinearCompareCase(m_testCtx, "eath_texture",				"earth_texture_ref.png",			"earth_texture_cmp.png",			tcu::RGBA(7,7,7,2),			false));
199 		addChild(new BilinearCompareCase(m_testCtx, "earth_spot",				"earth_spot_ref.png",				"earth_spot_cmp.png",				tcu::RGBA(7,7,7,2),			false));
200 		addChild(new BilinearCompareCase(m_testCtx, "earth_light",				"earth_light_ref.png",				"earth_light_cmp.png",				tcu::RGBA(7,7,7,2),			false));
201 		addChild(new BilinearCompareCase(m_testCtx, "lessThan0",				"lessThan0-reference.png",			"lessThan0-result.png",				tcu::RGBA(36,36,36,2),		true));
202 		addChild(new BilinearCompareCase(m_testCtx, "cube_sphere_2",			"cube_sphere_2_ref.png",			"cube_sphere_2_cmp.png",			tcu::RGBA(7,7,7,2),			false));
203 		addChild(new BilinearCompareCase(m_testCtx, "earth_to_empty",			"earth_spot_ref.png",				"empty_256x256.png",				tcu::RGBA(7,7,7,2),			false));
204 		addChild(new BilinearCompareCase(m_testCtx, "texfilter",				"texfilter_ref.png",				"texfilter_cmp.png",				tcu::RGBA(7,7,7,2),			true));
205 		addChild(new BilinearCompareCase(m_testCtx, "refract_vtx",				"refract_vtx_ref.png",				"refract_vtx_cmp.png",				tcu::RGBA(7,7,7,2),			true));
206 		addChild(new BilinearCompareCase(m_testCtx, "refract_frag",				"refract_frag_ref.png",				"refract_frag_cmp.png",				tcu::RGBA(7,7,7,2),			true));
207 		addChild(new BilinearCompareCase(m_testCtx, "lessthan_vtx",				"lessthan_vtx_ref.png",				"lessthan_vtx_cmp.png",				tcu::RGBA(7,7,7,2),			true));
208 		addChild(new BilinearCompareCase(m_testCtx, "2_units_2d",				"2_units_2d_ref.png",				"2_units_2d_cmp.png",				tcu::RGBA(7,7,7,2),			false));
209 		addChild(new BilinearCompareCase(m_testCtx, "4_units_cube_vtx",			"4_units_cube_ref.png",				"4_units_cube_cmp.png",				tcu::RGBA(7,7,7,2),			false));
210 		addChild(new BilinearCompareCase(m_testCtx, "texfilter_vtx_nearest",	"texfilter_vtx_nearest_ref.png",	"texfilter_vtx_nearest_cmp.png",	tcu::RGBA(7,7,7,2),			false));
211 		addChild(new BilinearCompareCase(m_testCtx, "texfilter_vtx_linear",		"texfilter_vtx_linear_ref.png",		"texfilter_vtx_linear_cmp.png",		tcu::RGBA(7,7,7,2),			false));
212 		addChild(new BilinearCompareCase(m_testCtx, "readpixels_msaa",			"readpixels_ref.png",				"readpixels_msaa.png",				tcu::RGBA(1,1,1,1),			true));
213 	}
214 };
215 
ImageCompareTests(tcu::TestContext & testCtx)216 ImageCompareTests::ImageCompareTests (tcu::TestContext& testCtx)
217 	: tcu::TestCaseGroup(testCtx, "image_compare", "Image comparison tests")
218 {
219 }
220 
~ImageCompareTests(void)221 ImageCompareTests::~ImageCompareTests (void)
222 {
223 }
224 
init(void)225 void ImageCompareTests::init (void)
226 {
227 	addChild(new FuzzyComparisonMetricTests	(m_testCtx));
228 	addChild(new BilinearCompareTests		(m_testCtx));
229 }
230 
231 } // dit
232