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1 /*-------------------------------------------------------------------------
2  * drawElements Quality Program OpenGL ES 3.0 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 Texture wrap mode tests.
22  *//*--------------------------------------------------------------------*/
23 
24 #include "es3fTextureWrapTests.hpp"
25 #include "glsTextureTestUtil.hpp"
26 #include "gluTexture.hpp"
27 #include "gluStrUtil.hpp"
28 #include "gluTextureUtil.hpp"
29 #include "gluPixelTransfer.hpp"
30 #include "tcuTestLog.hpp"
31 #include "tcuTextureUtil.hpp"
32 #include "tcuCompressedTexture.hpp"
33 #include "tcuVectorUtil.hpp"
34 #include "tcuTexLookupVerifier.hpp"
35 #include "deRandom.hpp"
36 #include "deStringUtil.hpp"
37 #include "deMemory.h"
38 
39 #include "glwEnums.hpp"
40 #include "glwFunctions.hpp"
41 
42 namespace deqp
43 {
44 namespace gles3
45 {
46 namespace Functional
47 {
48 
49 using tcu::TestLog;
50 using tcu::CompressedTexture;
51 using tcu::CompressedTexFormat;
52 using std::vector;
53 using std::string;
54 using tcu::Sampler;
55 using namespace glu;
56 using namespace gls::TextureTestUtil;
57 using namespace glu::TextureTestUtil;
58 
59 //! Checks whether any ASTC version (LDR, HDR, full) is supported.
isASTCSupported(const glu::ContextInfo & contextInfo)60 static inline bool isASTCSupported (const glu::ContextInfo& contextInfo)
61 {
62 	const vector<string>& extensions = contextInfo.getExtensions();
63 
64 	for (int extNdx = 0; extNdx < (int)extensions.size(); extNdx++)
65 	{
66 		const string& ext = extensions[extNdx];
67 
68 		if (ext == "GL_KHR_texture_compression_astc_ldr" ||
69 			ext == "GL_KHR_texture_compression_astc_hdr" ||
70 			ext == "GL_OES_texture_compression_astc")
71 			return true;
72 	}
73 
74 	return false;
75 }
76 
77 enum
78 {
79 	VIEWPORT_WIDTH		= 256,
80 	VIEWPORT_HEIGHT		= 256
81 };
82 
83 class TextureWrapCase : public tcu::TestCase
84 {
85 public:
86 									TextureWrapCase			(tcu::TestContext& testCtx, glu::RenderContext& renderCtx, const glu::ContextInfo& ctxInfo, const char* name, const char* description, deUint32 format, deUint32 dataType, deUint32 wrapS, deUint32 wrapT, deUint32 minFilter, deUint32 magFilter, int width, int height);
87 									TextureWrapCase			(tcu::TestContext& testCtx, glu::RenderContext& renderCtx, const glu::ContextInfo& ctxInfo, const char* name, const char* description, deUint32 wrapS, deUint32 wrapT, deUint32 minFilter, deUint32 magFilter, const std::vector<std::string>& filenames);
88 									TextureWrapCase			(tcu::TestContext& testCtx, glu::RenderContext& renderCtx, const glu::ContextInfo& ctxInfo, const char* name, const char* description, CompressedTexFormat compressedFormat, deUint32 wrapS, deUint32 wrapT, deUint32 minFilter, deUint32 magFilter, int width, int height);
89 									~TextureWrapCase		(void);
90 
91 	void							init					(void);
92 	void							deinit					(void);
93 	IterateResult					iterate					(void);
94 
95 private:
96 									TextureWrapCase			(const TextureWrapCase& other);
97 	TextureWrapCase&				operator=				(const TextureWrapCase& other);
98 
99 	struct Case
100 	{
101 		tcu::Vec2 bottomLeft;
102 		tcu::Vec2 topRight;
103 
Casedeqp::gles3::Functional::TextureWrapCase::Case104 		Case (void) {}
Casedeqp::gles3::Functional::TextureWrapCase::Case105 		Case (const tcu::Vec2& bl, const tcu::Vec2& tr) : bottomLeft(bl), topRight(tr) {}
106 	};
107 
108 	glu::RenderContext&				m_renderCtx;
109 	const glu::ContextInfo&			m_renderCtxInfo;
110 
111 	const deUint32					m_format;
112 	const deUint32					m_dataType;
113 	const CompressedTexFormat		m_compressedFormat;
114 	const deUint32					m_wrapS;
115 	const deUint32					m_wrapT;
116 	const deUint32					m_minFilter;
117 	const deUint32					m_magFilter;
118 
119 	int								m_width;
120 	int								m_height;
121 	const std::vector<std::string>	m_filenames;
122 
123 	vector<Case>					m_cases;
124 	int								m_caseNdx;
125 
126 	glu::Texture2D*					m_texture;
127 	TextureRenderer					m_renderer;
128 };
129 
TextureWrapCase(tcu::TestContext & testCtx,glu::RenderContext & renderCtx,const glu::ContextInfo & ctxInfo,const char * name,const char * description,deUint32 format,deUint32 dataType,deUint32 wrapS,deUint32 wrapT,deUint32 minFilter,deUint32 magFilter,int width,int height)130 TextureWrapCase::TextureWrapCase (tcu::TestContext& testCtx, glu::RenderContext& renderCtx, const glu::ContextInfo& ctxInfo, const char* name, const char* description, deUint32 format, deUint32 dataType, deUint32 wrapS, deUint32 wrapT, deUint32 minFilter, deUint32 magFilter, int width, int height)
131 	: TestCase				(testCtx, name, description)
132 	, m_renderCtx			(renderCtx)
133 	, m_renderCtxInfo		(ctxInfo)
134 	, m_format				(format)
135 	, m_dataType			(dataType)
136 	, m_compressedFormat	(tcu::COMPRESSEDTEXFORMAT_LAST)
137 	, m_wrapS				(wrapS)
138 	, m_wrapT				(wrapT)
139 	, m_minFilter			(minFilter)
140 	, m_magFilter			(magFilter)
141 	, m_width				(width)
142 	, m_height				(height)
143 	, m_caseNdx				(0)
144 	, m_texture				(DE_NULL)
145 	, m_renderer			(renderCtx, testCtx.getLog(), glu::GLSL_VERSION_300_ES, glu::PRECISION_MEDIUMP)
146 {
147 }
148 
TextureWrapCase(tcu::TestContext & testCtx,glu::RenderContext & renderCtx,const glu::ContextInfo & ctxInfo,const char * name,const char * description,deUint32 wrapS,deUint32 wrapT,deUint32 minFilter,deUint32 magFilter,const std::vector<std::string> & filenames)149 TextureWrapCase::TextureWrapCase (tcu::TestContext& testCtx, glu::RenderContext& renderCtx, const glu::ContextInfo& ctxInfo, const char* name, const char* description, deUint32 wrapS, deUint32 wrapT, deUint32 minFilter, deUint32 magFilter, const std::vector<std::string>& filenames)
150 	: TestCase				(testCtx, name, description)
151 	, m_renderCtx			(renderCtx)
152 	, m_renderCtxInfo		(ctxInfo)
153 	, m_format				(GL_NONE)
154 	, m_dataType			(GL_NONE)
155 	, m_compressedFormat	(tcu::COMPRESSEDTEXFORMAT_LAST)
156 	, m_wrapS				(wrapS)
157 	, m_wrapT				(wrapT)
158 	, m_minFilter			(minFilter)
159 	, m_magFilter			(magFilter)
160 	, m_width				(0)
161 	, m_height				(0)
162 	, m_filenames			(filenames)
163 	, m_caseNdx				(0)
164 	, m_texture				(DE_NULL)
165 	, m_renderer			(renderCtx, testCtx.getLog(), glu::GLSL_VERSION_300_ES, glu::PRECISION_MEDIUMP)
166 {
167 }
168 
TextureWrapCase(tcu::TestContext & testCtx,glu::RenderContext & renderCtx,const glu::ContextInfo & ctxInfo,const char * name,const char * description,CompressedTexFormat compressedFormat,deUint32 wrapS,deUint32 wrapT,deUint32 minFilter,deUint32 magFilter,int width,int height)169 TextureWrapCase::TextureWrapCase (tcu::TestContext& testCtx, glu::RenderContext& renderCtx, const glu::ContextInfo& ctxInfo, const char* name, const char* description, CompressedTexFormat compressedFormat, deUint32 wrapS, deUint32 wrapT, deUint32 minFilter, deUint32 magFilter, int width, int height)
170 	: TestCase				(testCtx, name, description)
171 	, m_renderCtx			(renderCtx)
172 	, m_renderCtxInfo		(ctxInfo)
173 	, m_format				(GL_NONE)
174 	, m_dataType			(GL_NONE)
175 	, m_compressedFormat	(compressedFormat)
176 	, m_wrapS				(wrapS)
177 	, m_wrapT				(wrapT)
178 	, m_minFilter			(minFilter)
179 	, m_magFilter			(magFilter)
180 	, m_width				(width)
181 	, m_height				(height)
182 	, m_caseNdx				(0)
183 	, m_texture				(DE_NULL)
184 	, m_renderer			(renderCtx, testCtx.getLog(), glu::GLSL_VERSION_300_ES, glu::PRECISION_MEDIUMP)
185 {
186 }
187 
188 
~TextureWrapCase(void)189 TextureWrapCase::~TextureWrapCase (void)
190 {
191 	deinit();
192 }
193 
init(void)194 void TextureWrapCase::init (void)
195 {
196 	// Load or generate texture.
197 
198 	if (!m_filenames.empty())
199 	{
200 		// Load compressed texture from file.
201 
202 		DE_ASSERT(m_width == 0 && m_height == 0 && m_format == GL_NONE && m_dataType == GL_NONE);
203 
204 		m_texture	= glu::Texture2D::create(m_renderCtx, m_renderCtxInfo, m_testCtx.getArchive(), (int)m_filenames.size(), m_filenames);
205 		m_width		= m_texture->getRefTexture().getWidth();
206 		m_height	= m_texture->getRefTexture().getHeight();
207 	}
208 	else if (m_compressedFormat != tcu::COMPRESSEDTEXFORMAT_LAST)
209 	{
210 		// Generate compressed texture.
211 
212 		DE_ASSERT(m_format == GL_NONE && m_dataType == GL_NONE);
213 
214 		if (tcu::isEtcFormat(m_compressedFormat))
215 		{
216 			// Create ETC texture. Any content is valid.
217 
218 			tcu::CompressedTexture	compressedTexture	(m_compressedFormat, m_width, m_height);
219 			const int				dataSize			= compressedTexture.getDataSize();
220 			deUint8* const			data				= (deUint8*)compressedTexture.getData();
221 			de::Random				rnd					(deStringHash(getName()));
222 
223 			for (int i = 0; i < dataSize; i++)
224 				data[i] = rnd.getUint32() & 0xff;
225 
226 			m_texture = new glu::Texture2D(m_renderCtx, m_renderCtxInfo, 1, &compressedTexture);
227 		}
228 		else if (tcu::isAstcFormat(m_compressedFormat))
229 		{
230 			// Create ASTC texture by picking from a set of pre-generated blocks.
231 
232 			static const int		BLOCK_SIZE				= 16;
233 			static const deUint8	blocks[][BLOCK_SIZE]	=
234 			{
235 				// \note All of the following blocks are valid in LDR mode.
236 				{ 252,	253,	255,	255,	255,	255,	255,	255,	8,		71,		90,		78,		22,		17,		26,		66,		},
237 				{ 252,	253,	255,	255,	255,	255,	255,	255,	220,	74,		139,	235,	249,	6,		145,	125		},
238 				{ 252,	253,	255,	255,	255,	255,	255,	255,	223,	251,	28,		206,	54,		251,	160,	174		},
239 				{ 252,	253,	255,	255,	255,	255,	255,	255,	39,		4,		153,	219,	180,	61,		51,		37		},
240 				{ 67,	2,		0,		254,	1,		0,		64,		215,	83,		211,	159,	105,	41,		140,	50,		2		},
241 				{ 67,	130,	0,		170,	84,		255,	65,		215,	83,		211,	159,	105,	41,		140,	50,		2		},
242 				{ 67,	2,		129,	38,		51,		229,	95,		215,	83,		211,	159,	105,	41,		140,	50,		2		},
243 				{ 67,	130,	193,	56,		213,	144,	95,		215,	83,		211,	159,	105,	41,		140,	50,		2		}
244 			};
245 
246 			if (!isASTCSupported(m_renderCtxInfo)) // \note Any level of ASTC support is enough, since we're only using LDR blocks.
247 				throw tcu::NotSupportedError("ASTC not supported");
248 
249 			tcu::CompressedTexture	compressedTexture	(m_compressedFormat, m_width, m_height);
250 			const int				dataSize			= compressedTexture.getDataSize();
251 			deUint8* const			data				= (deUint8*)compressedTexture.getData();
252 			de::Random				rnd					(deStringHash(getName()));
253 			DE_ASSERT(dataSize % BLOCK_SIZE == 0);
254 
255 			for (int i = 0; i < dataSize/BLOCK_SIZE; i++)
256 				deMemcpy(&data[i*BLOCK_SIZE], &blocks[rnd.getInt(0, DE_LENGTH_OF_ARRAY(blocks)-1)][0], BLOCK_SIZE);
257 
258 			// \note All blocks are valid LDR blocks so ASTCMODE_* doesn't change anything
259 			m_texture = new glu::Texture2D(m_renderCtx, m_renderCtxInfo, 1, &compressedTexture, tcu::TexDecompressionParams(tcu::TexDecompressionParams::ASTCMODE_LDR));
260 		}
261 		else
262 			DE_ASSERT(false);
263 	}
264 	else
265 	{
266 		m_texture = new Texture2D(m_renderCtx, m_format, m_dataType, m_width, m_height);
267 
268 		// Fill level 0.
269 		m_texture->getRefTexture().allocLevel(0);
270 		tcu::fillWithComponentGradients(m_texture->getRefTexture().getLevel(0), tcu::Vec4(-0.5f, -0.5f, -0.5f, 2.0f), tcu::Vec4(1.0f, 1.0f, 1.0f, 0.0f));
271 
272 		m_texture->upload();
273 	}
274 
275 	// Sub-cases.
276 
277 	m_cases.push_back(Case(tcu::Vec2(-1.5f, -3.0f), tcu::Vec2(1.5f, 2.5f)));
278 	m_cases.push_back(Case(tcu::Vec2(-0.5f, 0.75f), tcu::Vec2(0.25f, 1.25f)));
279 	DE_ASSERT(m_caseNdx == 0);
280 
281 	// Initialize to success, set to failure later if needed.
282 
283 	m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
284 }
285 
deinit(void)286 void TextureWrapCase::deinit (void)
287 {
288 	delete m_texture;
289 	m_texture = DE_NULL;
290 
291 	m_renderer.clear();
292 }
293 
iterate(void)294 TextureWrapCase::IterateResult TextureWrapCase::iterate (void)
295 {
296 	const glw::Functions&			gl								= m_renderCtx.getFunctions();
297 	TestLog&						log								= m_testCtx.getLog();
298 	const RandomViewport			viewport						(m_renderCtx.getRenderTarget(), VIEWPORT_WIDTH, VIEWPORT_HEIGHT, deStringHash(getName()) + m_caseNdx);
299 	tcu::Surface					renderedFrame					(viewport.width, viewport.height);
300 	ReferenceParams					refParams						(TEXTURETYPE_2D);
301 	const tcu::TextureFormat		texFormat						= m_texture->getRefTexture().getFormat();
302 	vector<float>					texCoord;
303 	const tcu::TextureFormatInfo	texFormatInfo					= tcu::getTextureFormatInfo(texFormat);
304 	// \note For non-sRGB ASTC formats, the values are fp16 in range [0..1], not the range assumed given by tcu::getTextureFormatInfo().
305 	const bool						useDefaultColorScaleAndBias		= !tcu::isAstcFormat(m_compressedFormat) || tcu::isAstcSRGBFormat(m_compressedFormat);
306 
307 	// Bind to unit 0.
308 	gl.activeTexture(GL_TEXTURE0);
309 	gl.bindTexture(GL_TEXTURE_2D, m_texture->getGLTexture());
310 
311 	// Setup filtering and wrap modes.
312 	gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S,		m_wrapS);
313 	gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T,		m_wrapT);
314 	gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,	m_minFilter);
315 	gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,	m_magFilter);
316 
317 	GLU_EXPECT_NO_ERROR(gl.getError(), "Set texturing state");
318 
319 	// Parameters for reference images.
320 	refParams.sampler		= mapGLSampler(m_wrapS, m_wrapT, m_minFilter, m_magFilter);
321 	refParams.lodMode		= LODMODE_EXACT;
322 	refParams.samplerType	= getSamplerType(m_texture->getRefTexture().getFormat());
323 	refParams.colorScale	= useDefaultColorScaleAndBias ? texFormatInfo.lookupScale	: tcu::Vec4(1.0f);
324 	refParams.colorBias		= useDefaultColorScaleAndBias ? texFormatInfo.lookupBias	: tcu::Vec4(0.0f);
325 
326 	gl.viewport(viewport.x, viewport.y, viewport.width, viewport.height);
327 	computeQuadTexCoord2D(texCoord, m_cases[m_caseNdx].bottomLeft, m_cases[m_caseNdx].topRight);
328 	m_renderer.renderQuad(0, &texCoord[0], refParams);
329 	glu::readPixels(m_renderCtx, viewport.x, viewport.y, renderedFrame.getAccess());
330 
331 	{
332 		const tcu::ScopedLogSection		section			(log, string("Test") + de::toString(m_caseNdx), string("Test ") + de::toString(m_caseNdx));
333 		const bool						isNearestOnly	= m_minFilter == GL_NEAREST && m_magFilter == GL_NEAREST;
334 		const bool						isSRGB			= tcu::isSRGB(texFormat);
335 		const tcu::PixelFormat			pixelFormat		= m_renderCtx.getRenderTarget().getPixelFormat();
336 		const tcu::IVec4				colorBits		= tcu::max(getBitsVec(pixelFormat) - (isNearestOnly && !isSRGB ? 1 : 2), tcu::IVec4(0));
337 		tcu::LodPrecision				lodPrecision;
338 		tcu::LookupPrecision			lookupPrecision;
339 
340 		lodPrecision.derivateBits		= 18;
341 		lodPrecision.lodBits			= 5;
342 		lookupPrecision.colorThreshold	= tcu::computeFixedPointThreshold(colorBits) / refParams.colorScale;
343 		lookupPrecision.coordBits		= tcu::IVec3(20,20,0);
344 		lookupPrecision.uvwBits			= tcu::IVec3(5,5,0);
345 		lookupPrecision.colorMask		= getCompareMask(pixelFormat);
346 
347 		log << TestLog::Message << "Note: lookup coordinates: bottom-left " << m_cases[m_caseNdx].bottomLeft << ", top-right " << m_cases[m_caseNdx].topRight << TestLog::EndMessage;
348 
349 		const bool isOk = verifyTextureResult(m_testCtx, renderedFrame.getAccess(), m_texture->getRefTexture(),
350 											  &texCoord[0], refParams, lookupPrecision, lodPrecision, pixelFormat);
351 
352 		if (!isOk)
353 			m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Image verification failed");
354 	}
355 
356 	m_caseNdx++;
357 	return m_caseNdx < (int)m_cases.size() ? CONTINUE : STOP;
358 }
359 
TextureWrapTests(Context & context)360 TextureWrapTests::TextureWrapTests (Context& context)
361 	: TestCaseGroup(context, "wrap", "Wrap Mode Tests")
362 {
363 }
364 
~TextureWrapTests(void)365 TextureWrapTests::~TextureWrapTests (void)
366 {
367 }
368 
init(void)369 void TextureWrapTests::init (void)
370 {
371 	static const struct
372 	{
373 		const char*		name;
374 		deUint32		mode;
375 	} wrapModes[] =
376 	{
377 		{ "clamp",		GL_CLAMP_TO_EDGE },
378 		{ "repeat",		GL_REPEAT },
379 		{ "mirror",		GL_MIRRORED_REPEAT }
380 	};
381 
382 	static const struct
383 	{
384 		const char*		name;
385 		deUint32		mode;
386 	} filteringModes[] =
387 	{
388 		{ "nearest",	GL_NEAREST },
389 		{ "linear",		GL_LINEAR }
390 	};
391 
392 #define FOR_EACH(ITERATOR, ARRAY, BODY)	\
393 	for (int ITERATOR = 0; ITERATOR < DE_LENGTH_OF_ARRAY(ARRAY); ITERATOR++)	\
394 		BODY
395 
396 	// RGBA8 cases.
397 	{
398 		static const struct
399 		{
400 			const char*		name;
401 			int				width;
402 			int				height;
403 		} rgba8Sizes[] =
404 		{
405 			{ "pot",		64, 128 },
406 			{ "npot",		63, 112 }
407 		};
408 
409 		{
410 			TestCaseGroup* const rgba8Group = new TestCaseGroup(m_context, "rgba8", "");
411 			addChild(rgba8Group);
412 
413 			FOR_EACH(size,		rgba8Sizes,
414 			FOR_EACH(wrapS,		wrapModes,
415 			FOR_EACH(wrapT,		wrapModes,
416 			FOR_EACH(filter,	filteringModes,
417 				{
418 					const string name = string("") + wrapModes[wrapS].name + "_" + wrapModes[wrapT].name + "_" + filteringModes[filter].name + "_" + rgba8Sizes[size].name;
419 					rgba8Group->addChild(new TextureWrapCase(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo(), name.c_str(), "",
420 															 GL_RGBA, GL_UNSIGNED_BYTE,
421 															 wrapModes[wrapS].mode,
422 															 wrapModes[wrapT].mode,
423 															 filteringModes[filter].mode, filteringModes[filter].mode,
424 															 rgba8Sizes[size].width, rgba8Sizes[size].height));
425 
426 				}))));
427 		}
428 	}
429 
430 	// ETC1 cases.
431 	{
432 		TestCaseGroup* const etc1Group = new TestCaseGroup(m_context, "etc1", "");
433 		addChild(etc1Group);
434 
435 		// Power-of-two ETC1 texture
436 		std::vector<std::string> potFilenames;
437 		potFilenames.push_back("data/etc1/photo_helsinki_mip_0.pkm");
438 
439 		FOR_EACH(wrapS,		wrapModes,
440 		FOR_EACH(wrapT,		wrapModes,
441 		FOR_EACH(filter,	filteringModes,
442 			{
443 				const string name = string("") + wrapModes[wrapS].name + "_" + wrapModes[wrapT].name + "_" + filteringModes[filter].name + "_pot";
444 				etc1Group->addChild(new TextureWrapCase(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo(), name.c_str(), "",
445 														wrapModes[wrapS].mode,
446 														wrapModes[wrapT].mode,
447 														filteringModes[filter].mode, filteringModes[filter].mode,
448 														potFilenames));
449 
450 			})));
451 
452 		std::vector<std::string> npotFilenames;
453 		npotFilenames.push_back("data/etc1/photo_helsinki_113x89.pkm");
454 
455 		// NPOT ETC1 texture
456 		FOR_EACH(wrapS,		wrapModes,
457 		FOR_EACH(wrapT,		wrapModes,
458 		FOR_EACH(filter,	filteringModes,
459 			{
460 				const string name = string("") + wrapModes[wrapS].name + "_" + wrapModes[wrapT].name + "_" + filteringModes[filter].name + "_npot";
461 				etc1Group->addChild(new TextureWrapCase(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo(), name.c_str(), "",
462 														wrapModes[wrapS].mode,
463 														wrapModes[wrapT].mode,
464 														filteringModes[filter].mode, filteringModes[filter].mode,
465 														npotFilenames));
466 			})));
467 	}
468 
469 	// ETC-2 (and EAC) cases.
470 	{
471 		static const struct
472 		{
473 			const char*			name;
474 			CompressedTexFormat	format;
475 		} etc2Formats[] =
476 		{
477 			{ "eac_r11",							tcu::COMPRESSEDTEXFORMAT_EAC_R11,							},
478 			{ "eac_signed_r11",						tcu::COMPRESSEDTEXFORMAT_EAC_SIGNED_R11,					},
479 			{ "eac_rg11",							tcu::COMPRESSEDTEXFORMAT_EAC_RG11,							},
480 			{ "eac_signed_rg11",					tcu::COMPRESSEDTEXFORMAT_EAC_SIGNED_RG11,					},
481 			{ "etc2_rgb8",							tcu::COMPRESSEDTEXFORMAT_ETC2_RGB8,							},
482 			{ "etc2_srgb8",							tcu::COMPRESSEDTEXFORMAT_ETC2_SRGB8,						},
483 			{ "etc2_rgb8_punchthrough_alpha1",		tcu::COMPRESSEDTEXFORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1,		},
484 			{ "etc2_srgb8_punchthrough_alpha1",		tcu::COMPRESSEDTEXFORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1,	},
485 			{ "etc2_eac_rgba8",						tcu::COMPRESSEDTEXFORMAT_ETC2_EAC_RGBA8,					},
486 			{ "etc2_eac_srgb8_alpha8",				tcu::COMPRESSEDTEXFORMAT_ETC2_EAC_SRGB8_ALPHA8,				}
487 		};
488 
489 		static const struct
490 		{
491 			const char*		name;
492 			int				width;
493 			int				height;
494 		} etc2Sizes[] =
495 		{
496 			{ "pot",	64,		128	},
497 			{ "npot",	123,	107	}
498 		};
499 
500 		for (int formatNdx = 0; formatNdx < DE_LENGTH_OF_ARRAY(etc2Formats); formatNdx++)
501 		{
502 			TestCaseGroup* const formatGroup = new TestCaseGroup(m_context, etc2Formats[formatNdx].name, "");
503 			addChild(formatGroup);
504 
505 			FOR_EACH(size,		etc2Sizes,
506 			FOR_EACH(wrapS,		wrapModes,
507 			FOR_EACH(wrapT,		wrapModes,
508 			FOR_EACH(filter,	filteringModes,
509 				{
510 					const string name = string("") + wrapModes[wrapS].name + "_" + wrapModes[wrapT].name + "_" + filteringModes[filter].name + "_" + etc2Sizes[size].name;
511 					formatGroup->addChild(new TextureWrapCase(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo(), name.c_str(), "",
512 															  etc2Formats[formatNdx].format,
513 															  wrapModes[wrapS].mode,
514 															  wrapModes[wrapT].mode,
515 															  filteringModes[filter].mode, filteringModes[filter].mode,
516 															  etc2Sizes[size].width, etc2Sizes[size].height));
517 				}))));
518 		}
519 	}
520 
521 	// ASTC cases.
522 	{
523 		for (int formatI = 0; formatI < tcu::COMPRESSEDTEXFORMAT_LAST; formatI++)
524 		{
525 			const CompressedTexFormat format = (CompressedTexFormat)formatI;
526 
527 			if (!tcu::isAstcFormat(format))
528 				continue;
529 
530 			{
531 				const tcu::IVec3		blockSize		= tcu::getBlockPixelSize(format);
532 				const string			formatName		= "astc_" + de::toString(blockSize.x()) + "x" + de::toString(blockSize.y()) + (tcu::isAstcSRGBFormat(format) ? "_srgb" : "");
533 				TestCaseGroup* const	formatGroup		= new TestCaseGroup(m_context, formatName.c_str(), "");
534 				addChild(formatGroup);
535 
536 				DE_ASSERT(blockSize.z() == 1);
537 
538 				// \note This array is NOT static.
539 				const struct
540 				{
541 					const char*		name;
542 					int				width;
543 					int				height;
544 				} formatSizes[] =
545 				{
546 					{ "divisible",		blockSize.x()*10,		blockSize.y()*10	},
547 					{ "not_divisible",	blockSize.x()*10+1,		blockSize.y()*10+1	},
548 				};
549 
550 				FOR_EACH(size,		formatSizes,
551 				FOR_EACH(wrapS,		wrapModes,
552 				FOR_EACH(wrapT,		wrapModes,
553 				FOR_EACH(filter,	filteringModes,
554 					{
555 						string name = string("") + wrapModes[wrapS].name + "_" + wrapModes[wrapT].name + "_" + filteringModes[filter].name + "_" + formatSizes[size].name;
556 						formatGroup->addChild(new TextureWrapCase(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo(), name.c_str(), "",
557 																  format,
558 																  wrapModes[wrapS].mode,
559 																  wrapModes[wrapT].mode,
560 																  filteringModes[filter].mode, filteringModes[filter].mode,
561 																  formatSizes[size].width, formatSizes[size].height));
562 					}))));
563 			}
564 		}
565 	}
566 }
567 
568 } // Functional
569 } // gles3
570 } // deqp
571