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1 /*-------------------------------------------------------------------------
2  * drawElements Quality Program OpenGL ES 3.1 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 Copy image tests for GL_EXT_copy_image.
22  *//*--------------------------------------------------------------------*/
23 
24 #include "es31fCopyImageTests.hpp"
25 
26 #include "tes31TestCase.hpp"
27 
28 #include "glsTextureTestUtil.hpp"
29 
30 #include "gluContextInfo.hpp"
31 #include "gluObjectWrapper.hpp"
32 #include "gluRenderContext.hpp"
33 #include "gluStrUtil.hpp"
34 #include "gluTextureUtil.hpp"
35 #include "gluPixelTransfer.hpp"
36 
37 #include "glwEnums.hpp"
38 #include "glwFunctions.hpp"
39 
40 #include "tcuCompressedTexture.hpp"
41 #include "tcuFloat.hpp"
42 #include "tcuImageCompare.hpp"
43 #include "tcuTestLog.hpp"
44 #include "tcuTexture.hpp"
45 #include "tcuTextureUtil.hpp"
46 #include "tcuVector.hpp"
47 #include "tcuVectorUtil.hpp"
48 #include "tcuSeedBuilder.hpp"
49 #include "tcuResultCollector.hpp"
50 
51 #include "deArrayBuffer.hpp"
52 #include "deFloat16.h"
53 #include "deRandom.hpp"
54 #include "deStringUtil.hpp"
55 #include "deUniquePtr.hpp"
56 #include "deArrayUtil.hpp"
57 
58 #include <map>
59 #include <string>
60 #include <vector>
61 
62 using namespace deqp::gls::TextureTestUtil;
63 using namespace glu::TextureTestUtil;
64 
65 using tcu::Float;
66 using tcu::IVec2;
67 using tcu::IVec3;
68 using tcu::IVec4;
69 using tcu::Sampler;
70 using tcu::ScopedLogSection;
71 using tcu::TestLog;
72 using tcu::Vec4;
73 using tcu::SeedBuilder;
74 
75 using de::ArrayBuffer;
76 
77 using std::map;
78 using std::string;
79 using std::vector;
80 using std::pair;
81 
82 namespace deqp
83 {
84 namespace gles31
85 {
86 namespace Functional
87 {
88 namespace
89 {
90 
91 enum ViewClass
92 {
93 	VIEWCLASS_128_BITS = 0,
94 	VIEWCLASS_96_BITS,
95 	VIEWCLASS_64_BITS,
96 	VIEWCLASS_48_BITS,
97 	VIEWCLASS_32_BITS,
98 	VIEWCLASS_24_BITS,
99 	VIEWCLASS_16_BITS,
100 	VIEWCLASS_8_BITS,
101 
102 	VIEWCLASS_EAC_R11,
103 	VIEWCLASS_EAC_RG11,
104 	VIEWCLASS_ETC2_RGB,
105 	VIEWCLASS_ETC2_RGBA,
106 	VIEWCLASS_ETC2_EAC_RGBA,
107 	VIEWCLASS_ASTC_4x4_RGBA,
108 	VIEWCLASS_ASTC_5x4_RGBA,
109 	VIEWCLASS_ASTC_5x5_RGBA,
110 	VIEWCLASS_ASTC_6x5_RGBA,
111 	VIEWCLASS_ASTC_6x6_RGBA,
112 	VIEWCLASS_ASTC_8x5_RGBA,
113 	VIEWCLASS_ASTC_8x6_RGBA,
114 	VIEWCLASS_ASTC_8x8_RGBA,
115 	VIEWCLASS_ASTC_10x5_RGBA,
116 	VIEWCLASS_ASTC_10x6_RGBA,
117 	VIEWCLASS_ASTC_10x8_RGBA,
118 	VIEWCLASS_ASTC_10x10_RGBA,
119 	VIEWCLASS_ASTC_12x10_RGBA,
120 	VIEWCLASS_ASTC_12x12_RGBA
121 };
122 
123 enum Verify
124 {
125 	VERIFY_NONE = 0,
126 	VERIFY_COMPARE_REFERENCE
127 };
128 
viewClassToName(ViewClass viewClass)129 const char* viewClassToName (ViewClass viewClass)
130 {
131 	switch (viewClass)
132 	{
133 		case VIEWCLASS_128_BITS:			return "viewclass_128_bits";
134 		case VIEWCLASS_96_BITS:				return "viewclass_96_bits";
135 		case VIEWCLASS_64_BITS:				return "viewclass_64_bits";
136 		case VIEWCLASS_48_BITS:				return "viewclass_48_bits";
137 		case VIEWCLASS_32_BITS:				return "viewclass_32_bits";
138 		case VIEWCLASS_24_BITS:				return "viewclass_24_bits";
139 		case VIEWCLASS_16_BITS:				return "viewclass_16_bits";
140 		case VIEWCLASS_8_BITS:				return "viewclass_8_bits";
141 		case VIEWCLASS_EAC_R11:				return "viewclass_eac_r11";
142 		case VIEWCLASS_EAC_RG11:			return "viewclass_eac_rg11";
143 		case VIEWCLASS_ETC2_RGB:			return "viewclass_etc2_rgb";
144 		case VIEWCLASS_ETC2_RGBA:			return "viewclass_etc2_rgba";
145 		case VIEWCLASS_ETC2_EAC_RGBA:		return "viewclass_etc2_eac_rgba";
146 		case VIEWCLASS_ASTC_4x4_RGBA:		return "viewclass_astc_4x4_rgba";
147 		case VIEWCLASS_ASTC_5x4_RGBA:		return "viewclass_astc_5x4_rgba";
148 		case VIEWCLASS_ASTC_5x5_RGBA:		return "viewclass_astc_5x5_rgba";
149 		case VIEWCLASS_ASTC_6x5_RGBA:		return "viewclass_astc_6x5_rgba";
150 		case VIEWCLASS_ASTC_6x6_RGBA:		return "viewclass_astc_6x6_rgba";
151 		case VIEWCLASS_ASTC_8x5_RGBA:		return "viewclass_astc_8x5_rgba";
152 		case VIEWCLASS_ASTC_8x6_RGBA:		return "viewclass_astc_8x6_rgba";
153 		case VIEWCLASS_ASTC_8x8_RGBA:		return "viewclass_astc_8x8_rgba";
154 		case VIEWCLASS_ASTC_10x5_RGBA:		return "viewclass_astc_10x5_rgba";
155 		case VIEWCLASS_ASTC_10x6_RGBA:		return "viewclass_astc_10x6_rgba";
156 		case VIEWCLASS_ASTC_10x8_RGBA:		return "viewclass_astc_10x8_rgba";
157 		case VIEWCLASS_ASTC_10x10_RGBA:		return "viewclass_astc_10x10_rgba";
158 		case VIEWCLASS_ASTC_12x10_RGBA:		return "viewclass_astc_12x10_rgba";
159 		case VIEWCLASS_ASTC_12x12_RGBA:		return "viewclass_astc_12x12_rgba";
160 
161 		default:
162 			DE_ASSERT(false);
163 			return NULL;
164 	}
165 }
166 
targetToName(deUint32 target)167 const char* targetToName (deUint32 target)
168 {
169 	switch (target)
170 	{
171 		case GL_RENDERBUFFER:		return "renderbuffer";
172 		case GL_TEXTURE_2D:			return "texture2d";
173 		case GL_TEXTURE_3D:			return "texture3d";
174 		case GL_TEXTURE_2D_ARRAY:	return "texture2d_array";
175 		case GL_TEXTURE_CUBE_MAP:	return "cubemap";
176 
177 		default:
178 			DE_ASSERT(false);
179 			return NULL;
180 	}
181 }
182 
formatToName(deUint32 format)183 string formatToName (deUint32 format)
184 {
185 	string enumName;
186 
187 	if (glu::isCompressedFormat(format))
188 		enumName = glu::getCompressedTextureFormatStr(format).toString().substr(14); // Strip GL_COMPRESSED_
189 	else
190 		enumName = glu::getUncompressedTextureFormatStr(format).toString().substr(3); // Strip GL_
191 
192 	return de::toLower(enumName);
193 }
194 
isFloatFormat(deUint32 format)195 bool isFloatFormat (deUint32 format)
196 {
197 	if (glu::isCompressedFormat(format))
198 		return false;
199 	else
200 		return tcu::getTextureChannelClass(glu::mapGLInternalFormat(format).type) == tcu::TEXTURECHANNELCLASS_FLOATING_POINT;
201 }
202 
isUintFormat(deUint32 format)203 bool isUintFormat (deUint32 format)
204 {
205 	if (glu::isCompressedFormat(format))
206 		return false;
207 	else
208 		return tcu::getTextureChannelClass(glu::mapGLInternalFormat(format).type) == tcu::TEXTURECHANNELCLASS_UNSIGNED_INTEGER;
209 }
210 
isIntFormat(deUint32 format)211 bool isIntFormat (deUint32 format)
212 {
213 	if (glu::isCompressedFormat(format))
214 		return false;
215 	else
216 		return tcu::getTextureChannelClass(glu::mapGLInternalFormat(format).type) == tcu::TEXTURECHANNELCLASS_SIGNED_INTEGER;
217 }
218 
isFixedPointFormat(deUint32 format)219 bool isFixedPointFormat (deUint32 format)
220 {
221 	if (glu::isCompressedFormat(format))
222 		return false;
223 	else
224 	{
225 		const tcu::TextureChannelClass channelClass = tcu::getTextureChannelClass(glu::mapGLInternalFormat(format).type);
226 
227 		return channelClass == tcu::TEXTURECHANNELCLASS_SIGNED_FIXED_POINT || channelClass == tcu::TEXTURECHANNELCLASS_UNSIGNED_FIXED_POINT;
228 	}
229 }
230 
isTextureTarget(deUint32 target)231 bool isTextureTarget (deUint32 target)
232 {
233 	return target != GL_RENDERBUFFER;
234 }
235 
getTargetTexDims(deUint32 target)236 int getTargetTexDims (deUint32 target)
237 {
238 	DE_ASSERT(isTextureTarget(target));
239 
240 	switch (target)
241 	{
242 		case GL_TEXTURE_1D:
243 			return 1;
244 
245 		case GL_TEXTURE_1D_ARRAY:
246 		case GL_TEXTURE_2D:
247 		case GL_TEXTURE_CUBE_MAP:
248 			return 2;
249 
250 		case GL_TEXTURE_2D_ARRAY:
251 		case GL_TEXTURE_3D:
252 			return 3;
253 
254 		default:
255 			DE_ASSERT(false);
256 			return -1;
257 	}
258 }
259 
260 class RandomizedRenderGrid
261 {
262 public:
263 					RandomizedRenderGrid	(const IVec2& targetSize, const IVec2& cellSize, int maxCellCount, deUint32 seed);
264 	bool			nextCell				(void);
265 	IVec2			getOrigin				(void) const;
266 
getCellSize(void) const267 	const IVec2&	getCellSize				(void) const { return m_cellSize; };
268 	IVec4			getUsedAreaBoundingBox	(void) const;
getCellCount(void) const269 	int				getCellCount			(void) const { return m_cellCount; };
270 
271 private:
272 	static IVec2	getRandomOffset			(deUint32 seed, IVec2 targetSize, IVec2 cellSize, IVec2 grid, int cellCount);
273 
274 	const IVec2		m_targetSize;
275 	const IVec2		m_cellSize;
276 	const IVec2		m_grid;
277 	int				m_currentCell;
278 	const int		m_cellCount;
279 	const IVec2		m_baseRandomOffset;
280 };
281 
RandomizedRenderGrid(const IVec2 & targetSize,const IVec2 & cellSize,int maxCellCount,deUint32 seed)282 RandomizedRenderGrid::RandomizedRenderGrid (const IVec2& targetSize, const IVec2& cellSize, int maxCellCount, deUint32 seed)
283 	: m_targetSize			(targetSize)
284 	, m_cellSize			(cellSize)
285 	, m_grid				(targetSize / cellSize)
286 	, m_currentCell			(0)
287 	// If the grid exactly fits height, take one row for randomization.
288 	, m_cellCount			(deMin32(maxCellCount, ((targetSize.y() % cellSize.y()) == 0) && m_grid.y() > 1 ? m_grid.x() * (m_grid.y() - 1) :  m_grid.x() * m_grid.y()))
289 	, m_baseRandomOffset	(getRandomOffset(seed, targetSize, cellSize, m_grid, m_cellCount))
290 {
291 }
292 
getRandomOffset(deUint32 seed,IVec2 targetSize,IVec2 cellSize,IVec2 grid,int cellCount)293 IVec2 RandomizedRenderGrid::getRandomOffset (deUint32 seed, IVec2 targetSize, IVec2 cellSize, IVec2 grid, int cellCount)
294 {
295 	de::Random	rng			(seed);
296 	IVec2		result;
297 	IVec2		extraSpace = targetSize - (cellSize * grid);
298 
299 	// If there'll be unused rows, donate them into extra space.
300 	// (Round the required rows to full cell row to find out how many rows are unused, multiply by size)
301 	DE_ASSERT(deDivRoundUp32(cellCount, grid.x()) <= grid.y());
302 	extraSpace.y() += (grid.y() - deDivRoundUp32(cellCount, grid.x())) * cellSize.y();
303 
304 	DE_ASSERT(targetSize.x() > cellSize.x() && targetSize.y() > cellSize.y());
305 	// If grid fits perfectly just one row of cells, just give up on randomizing.
306 	DE_ASSERT(extraSpace.x() > 0 || extraSpace.y() > 0 || grid.y() == 1);
307 	DE_ASSERT(extraSpace.x() + grid.x() * cellSize.x() == targetSize.x());
308 
309 	// \note Putting these as ctor params would make evaluation order undefined, I think <sigh>. Hence,
310 	// no direct return.
311 	result.x() = rng.getInt(0, extraSpace.x());
312 	result.y() = rng.getInt(0, extraSpace.y());
313 	return result;
314 }
315 
nextCell(void)316 bool RandomizedRenderGrid::nextCell (void)
317 {
318 	if (m_currentCell >= getCellCount())
319 		return false;
320 
321 	m_currentCell++;
322 	return true;
323 }
324 
getOrigin(void) const325 IVec2 RandomizedRenderGrid::getOrigin (void) const
326 {
327 	const int	gridX		  = (m_currentCell - 1) % m_grid.x();
328 	const int	gridY		  = (m_currentCell - 1) / m_grid.x();
329 	const IVec2 currentOrigin = (IVec2(gridX, gridY) * m_cellSize) + m_baseRandomOffset;
330 
331 	DE_ASSERT(currentOrigin.x() >= 0 && (currentOrigin.x() + m_cellSize.x()) <= m_targetSize.x());
332 	DE_ASSERT(currentOrigin.y() >= 0 && (currentOrigin.y() + m_cellSize.y()) <= m_targetSize.y());
333 
334 	return currentOrigin;
335 }
336 
getUsedAreaBoundingBox(void) const337 IVec4 RandomizedRenderGrid::getUsedAreaBoundingBox (void) const
338 {
339 	const IVec2 lastCell	(de::min(m_currentCell + 1, m_grid.x()), ((m_currentCell + m_grid.x() - 1) / m_grid.x()));
340 	const IVec2 size		= lastCell * m_cellSize;
341 
342 	return IVec4(m_baseRandomOffset.x(), m_baseRandomOffset.y(), size.x(), size.y());
343 }
344 
345 class ImageInfo
346 {
347 public:
348 					ImageInfo		(deUint32 format, deUint32 target, const IVec3& size);
349 
getFormat(void) const350 	deUint32		getFormat		(void) const { return m_format; }
getTarget(void) const351 	deUint32		getTarget		(void) const { return m_target; }
getSize(void) const352 	const IVec3&	getSize			(void) const { return m_size; }
353 
354 private:
355 	deUint32		m_format;
356 	deUint32		m_target;
357 	IVec3			m_size;
358 };
359 
ImageInfo(deUint32 format,deUint32 target,const IVec3 & size)360 ImageInfo::ImageInfo (deUint32 format, deUint32 target, const IVec3& size)
361 	: m_format		(format)
362 	, m_target		(target)
363 	, m_size		(size)
364 {
365 	DE_ASSERT(m_target == GL_TEXTURE_2D_ARRAY || m_target == GL_TEXTURE_3D || m_size.z() == 1);
366 	DE_ASSERT(isTextureTarget(m_target) || !glu::isCompressedFormat(m_target));
367 }
368 
369 
operator <<(SeedBuilder & builder,const ImageInfo & info)370 SeedBuilder& operator<< (SeedBuilder& builder, const ImageInfo& info)
371 {
372 	builder << info.getFormat() << info.getTarget() << info.getSize();
373 	return builder;
374 }
375 
getObjectTraits(const ImageInfo & info)376 const glu::ObjectTraits& getObjectTraits (const ImageInfo& info)
377 {
378 	if (isTextureTarget(info.getTarget()))
379 		return glu::objectTraits(glu::OBJECTTYPE_TEXTURE);
380 	else
381 		return glu::objectTraits(glu::OBJECTTYPE_RENDERBUFFER);
382 }
383 
getLevelCount(const ImageInfo & info)384 int getLevelCount (const ImageInfo& info)
385 {
386 	const deUint32	target	= info.getTarget();
387 	const IVec3		size	= info.getSize();
388 
389 	if (target == GL_RENDERBUFFER)
390 		return 1;
391 	else if (target == GL_TEXTURE_2D_ARRAY)
392 	{
393 		const int maxSize = de::max(size.x(), size.y());
394 
395 		return deLog2Ceil32(maxSize);
396 	}
397 	else
398 	{
399 		const int maxSize = de::max(size.x(), de::max(size.y(), size.z()));
400 
401 		return deLog2Ceil32(maxSize);
402 	}
403 }
404 
getLevelSize(deUint32 target,const IVec3 & baseSize,int level)405 IVec3 getLevelSize (deUint32 target, const IVec3& baseSize, int level)
406 {
407 	IVec3 size;
408 
409 	if (target != GL_TEXTURE_2D_ARRAY)
410 	{
411 		for (int i = 0; i < 3; i++)
412 			size[i] = de::max(baseSize[i] >> level, 1);
413 	}
414 	else
415 	{
416 		for (int i = 0; i < 2; i++)
417 			size[i] = de::max(baseSize[i] >> level, 1);
418 
419 		size[2] = baseSize[2];
420 	}
421 
422 	return size;
423 }
424 
mapFaceNdxToFace(int ndx)425 deUint32 mapFaceNdxToFace (int ndx)
426 {
427 	const deUint32 cubeFaces[] =
428 	{
429 		GL_TEXTURE_CUBE_MAP_POSITIVE_X,
430 		GL_TEXTURE_CUBE_MAP_NEGATIVE_X,
431 
432 		GL_TEXTURE_CUBE_MAP_POSITIVE_Y,
433 		GL_TEXTURE_CUBE_MAP_NEGATIVE_Y,
434 
435 		GL_TEXTURE_CUBE_MAP_POSITIVE_Z,
436 		GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
437 	};
438 
439 	return de::getSizedArrayElement<6>(cubeFaces, ndx);
440 }
441 
442 // Class for iterating over mip levels and faces/slices/... of a texture.
443 class TextureImageIterator
444 {
445 public:
446 						TextureImageIterator	(const ImageInfo info, int levelCount);
~TextureImageIterator(void)447 						~TextureImageIterator	(void)							{}
448 
449 	// Need to call next image once, newly constructed not readable, except for getSize
450 	bool				nextImage				(void);
hasNextImage(void) const451 	bool				hasNextImage			(void) const					{ return (m_currentLevel < (m_levelCount - 1)) || m_currentImage < (m_levelImageCount - 1); }
452 
getMipLevel(void) const453 	int					getMipLevel				(void) const					{ return m_currentLevel; }
getMipLevelCount(void) const454 	int					getMipLevelCount		(void) const					{ return m_levelCount; }
getCurrentImage(void) const455 	int					getCurrentImage			(void) const					{ return m_currentImage;}
getLevelImageCount(void) const456 	int					getLevelImageCount		(void) const					{ return m_levelImageCount; }
getSize(void) const457 	IVec2				getSize					(void) const					{ return m_levelSize.toWidth<2>(); }	// Assume that image sizes never grow over iteration
getTarget(void) const458 	deUint32			getTarget				(void) const					{ return m_info.getTarget(); }
459 
460 private:
461 	int					m_levelImageCount;		// Need to be defined in CTOR for the hasNextImage to work!
462 	const ImageInfo		m_info;
463 	int					m_currentLevel;
464 	IVec3				m_levelSize;
465 	int					m_currentImage;
466 	const int			m_levelCount;
467 };
468 
TextureImageIterator(const ImageInfo info,int levelCount)469 TextureImageIterator::TextureImageIterator (const ImageInfo info, int levelCount)
470 	: m_levelImageCount	(info.getTarget() == GL_TEXTURE_CUBE_MAP ? 6 : getLevelSize(info.getTarget(), info.getSize(), 0).z())
471 	, m_info			(info)
472 	, m_currentLevel	(0)
473 	, m_levelSize		(getLevelSize(info.getTarget(), info.getSize(), 0))
474 	, m_currentImage	(-1)
475 	, m_levelCount		(levelCount)
476 {
477 	DE_ASSERT(m_levelCount <= getLevelCount(info));
478 }
479 
nextImage(void)480 bool TextureImageIterator::nextImage (void)
481 {
482 	if (!hasNextImage())
483 		return false;
484 
485 	m_currentImage++;
486 	if (m_currentImage == m_levelImageCount)
487 	{
488 		m_currentLevel++;
489 		m_currentImage		= 0;
490 
491 		m_levelSize			= getLevelSize(m_info.getTarget(), m_info.getSize(), m_currentLevel);
492 
493 		if (getTarget() == GL_TEXTURE_CUBE_MAP)
494 			m_levelImageCount = 6;
495 		else
496 			m_levelImageCount = m_levelSize.z();
497 	}
498 	DE_ASSERT(m_currentLevel < m_levelCount);
499 	DE_ASSERT(m_currentImage < m_levelImageCount);
500 	return true;
501 }
502 
503 // Get name
getTextureImageName(int textureTarget,int mipLevel,int imageIndex)504 string getTextureImageName (int textureTarget, int mipLevel, int imageIndex)
505 {
506 	std::ostringstream result;
507 	result << "Level";
508 	result << mipLevel;
509 	switch (textureTarget)
510 	{
511 		case GL_TEXTURE_2D:			break;
512 		case GL_TEXTURE_3D:			result << "Slice" << imageIndex; break;
513 		case GL_TEXTURE_CUBE_MAP:	result << "Face" << imageIndex; break;
514 		case GL_TEXTURE_2D_ARRAY:	result << "Layer" << imageIndex; break;
515 		default:
516 			DE_FATAL("Unsupported texture target");
517 			break;
518 	}
519 	return result.str();
520 }
521 
522 // Get description
getTextureImageDescription(int textureTarget,int mipLevel,int imageIndex)523 string getTextureImageDescription (int textureTarget, int mipLevel, int imageIndex)
524 {
525 	std::ostringstream result;
526 	result << "level ";
527 	result << mipLevel;
528 
529 	switch (textureTarget)
530 	{
531 		case GL_TEXTURE_2D:			break;
532 		case GL_TEXTURE_3D:			result << " and Slice " << imageIndex; break;
533 		case GL_TEXTURE_CUBE_MAP:	result << " and Face " << imageIndex; break;
534 		case GL_TEXTURE_2D_ARRAY:	result << " and Layer " << imageIndex; break;
535 		default:
536 			DE_FATAL("Unsupported texture target");
537 			break;
538 	}
539 	return result.str();
540 }
541 
542 // Compute texture coordinates
computeQuadTexCoords(vector<float> & texCoord,const TextureImageIterator & iteration)543 void computeQuadTexCoords(vector<float>& texCoord, const TextureImageIterator& iteration)
544 {
545 	const int currentImage = iteration.getCurrentImage();
546 	switch (iteration.getTarget())
547 	{
548 		case GL_TEXTURE_2D:
549 			computeQuadTexCoord2D(texCoord, tcu::Vec2(0.0f, 0.0f), tcu::Vec2(1.0f, 1.0f));
550 			break;
551 
552 		case GL_TEXTURE_3D:
553 		{
554 			const float r = (float(currentImage) + 0.5f) / (float)iteration.getLevelImageCount();
555 			computeQuadTexCoord3D(texCoord, tcu::Vec3(0.0f, 0.0f, r), tcu::Vec3(1.0f, 1.0f, r), tcu::IVec3(0, 1, 2));
556 			break;
557 		}
558 
559 		case GL_TEXTURE_CUBE_MAP:
560 			computeQuadTexCoordCube(texCoord, glu::getCubeFaceFromGL(mapFaceNdxToFace(currentImage)));
561 			break;
562 
563 		case GL_TEXTURE_2D_ARRAY:
564 			computeQuadTexCoord2DArray(texCoord, currentImage, tcu::Vec2(0.0f, 0.0f), tcu::Vec2(1.0f, 1.0f));
565 			break;
566 
567 		default:
568 			DE_FATAL("Unsupported texture target");
569 	}
570 }
571 
572 // Struct for storing each reference image with necessary metadata.
573 struct CellContents
574 {
575 	IVec2			origin;
576 	tcu::Surface	reference;
577 	std::string		name;
578 	std::string		description;
579 };
580 
581 // Return format that has more restrictions on texel data.
getMoreRestrictiveFormat(deUint32 formatA,deUint32 formatB)582 deUint32 getMoreRestrictiveFormat (deUint32 formatA, deUint32 formatB)
583 {
584 	if (formatA == formatB)
585 		return formatA;
586 	else if (glu::isCompressedFormat(formatA) && isAstcFormat(glu::mapGLCompressedTexFormat(formatA)))
587 		return formatA;
588 	else if (glu::isCompressedFormat(formatB) && isAstcFormat(glu::mapGLCompressedTexFormat(formatB)))
589 		return formatB;
590 	else if (isFloatFormat(formatA))
591 	{
592 		DE_ASSERT(!isFloatFormat(formatB));
593 
594 		return formatA;
595 	}
596 	else if (isFloatFormat(formatB))
597 	{
598 		DE_ASSERT(!isFloatFormat(formatA));
599 
600 		return formatB;
601 	}
602 	else if (glu::isCompressedFormat(formatA))
603 	{
604 		return formatA;
605 	}
606 	else if (glu::isCompressedFormat(formatB))
607 	{
608 		return formatB;
609 	}
610 	else
611 		return formatA;
612 }
613 
getTexelBlockSize(deUint32 format)614 int getTexelBlockSize (deUint32 format)
615 {
616 	if (glu::isCompressedFormat(format))
617 		return tcu::getBlockSize(glu::mapGLCompressedTexFormat(format));
618 	else
619 		return glu::mapGLInternalFormat(format).getPixelSize();
620 }
621 
getTexelBlockPixelSize(deUint32 format)622 IVec3 getTexelBlockPixelSize (deUint32 format)
623 {
624 	if (glu::isCompressedFormat(format))
625 		return tcu::getBlockPixelSize(glu::mapGLCompressedTexFormat(format));
626 	else
627 		return IVec3(1, 1, 1);
628 }
629 
isColorRenderable(deUint32 format)630 bool isColorRenderable (deUint32 format)
631 {
632 	switch (format)
633 	{
634 		case GL_R8:
635 		case GL_RG8:
636 		case GL_RGB8:
637 		case GL_RGB565:
638 		case GL_RGB4:
639 		case GL_RGB5_A1:
640 		case GL_RGBA8:
641 		case GL_RGB10_A2:
642 		case GL_RGB10_A2UI:
643 		case GL_SRGB8_ALPHA8:
644 		case GL_R8I:
645 		case GL_R8UI:
646 		case GL_R16I:
647 		case GL_R16UI:
648 		case GL_R32I:
649 		case GL_R32UI:
650 		case GL_RG8I:
651 		case GL_RG8UI:
652 		case GL_RG16I:
653 		case GL_RG16UI:
654 		case GL_RG32I:
655 		case GL_RG32UI:
656 		case GL_RGBA8I:
657 		case GL_RGBA8UI:
658 		case GL_RGBA16I:
659 		case GL_RGBA16UI:
660 		case GL_RGBA32I:
661 		case GL_RGBA32UI:
662 			return true;
663 
664 		default:
665 			return false;
666 	}
667 }
668 
getTypeForInternalFormat(deUint32 format)669 deUint32 getTypeForInternalFormat (deUint32 format)
670 {
671 	return glu::getTransferFormat(glu::mapGLInternalFormat(format)).dataType;
672 }
673 
genTexel(de::Random & rng,deUint32 glFormat,int texelBlockSize,const int texelCount,deUint8 * buffer)674 void genTexel (de::Random& rng, deUint32 glFormat, int texelBlockSize, const int texelCount, deUint8* buffer)
675 {
676 	if (isFloatFormat(glFormat))
677 	{
678 		const tcu::TextureFormat		format	= glu::mapGLInternalFormat(glFormat);
679 		const tcu::PixelBufferAccess	access	(format, texelCount, 1, 1, buffer);
680 		const tcu::TextureFormatInfo	info	= tcu::getTextureFormatInfo(format);
681 
682 		for (int texelNdx = 0; texelNdx < texelCount; texelNdx++)
683 		{
684 			const float	red		= rng.getFloat(info.valueMin.x(), info.valueMax.x());
685 			const float green	= rng.getFloat(info.valueMin.y(), info.valueMax.y());
686 			const float blue	= rng.getFloat(info.valueMin.z(), info.valueMax.z());
687 			const float alpha	= rng.getFloat(info.valueMin.w(), info.valueMax.w());
688 
689 			const Vec4	color	(red, green, blue, alpha);
690 
691 			access.setPixel(color, texelNdx, 0, 0);
692 		}
693 	}
694 	else if (glu::isCompressedFormat(glFormat))
695 	{
696 		const tcu::CompressedTexFormat compressedFormat = glu::mapGLCompressedTexFormat(glFormat);
697 
698 		if (tcu::isAstcFormat(compressedFormat))
699 		{
700 			const int		BLOCK_SIZE				= 16;
701 			const deUint8	blocks[][BLOCK_SIZE]	=
702 			{
703 				// \note All of the following blocks are valid in LDR mode.
704 				{ 252,	253,	255,	255,	255,	255,	255,	255,	8,		71,		90,		78,		22,		17,		26,		66,		},
705 				{ 252,	253,	255,	255,	255,	255,	255,	255,	220,	74,		139,	235,	249,	6,		145,	125		},
706 				{ 252,	253,	255,	255,	255,	255,	255,	255,	223,	251,	28,		206,	54,		251,	160,	174		},
707 				{ 252,	253,	255,	255,	255,	255,	255,	255,	39,		4,		153,	219,	180,	61,		51,		37		},
708 				{ 67,	2,		0,		254,	1,		0,		64,		215,	83,		211,	159,	105,	41,		140,	50,		2		},
709 				{ 67,	130,	0,		170,	84,		255,	65,		215,	83,		211,	159,	105,	41,		140,	50,		2		},
710 				{ 67,	2,		129,	38,		51,		229,	95,		215,	83,		211,	159,	105,	41,		140,	50,		2		},
711 				{ 67,	130,	193,	56,		213,	144,	95,		215,	83,		211,	159,	105,	41,		140,	50,		2		}
712 			};
713 
714 			DE_ASSERT(texelBlockSize == BLOCK_SIZE);
715 
716 			for (int i = 0; i < texelCount; i++)
717 			{
718 				const int blockNdx = rng.getInt(0, DE_LENGTH_OF_ARRAY(blocks)-1);
719 
720 				deMemcpy(buffer + i * BLOCK_SIZE,  blocks[blockNdx], BLOCK_SIZE);
721 			}
722 		}
723 		else
724 		{
725 			for (int i = 0; i < texelBlockSize * texelCount; i++)
726 			{
727 				const deUint8 val = rng.getUint8();
728 
729 				buffer[i] = val;
730 			}
731 		}
732 	}
733 	else
734 	{
735 		for (int i = 0; i < texelBlockSize * texelCount; i++)
736 		{
737 			const deUint8 val = rng.getUint8();
738 
739 			buffer[i] = val;
740 		}
741 	}
742 }
743 
divRoundUp(const IVec3 & a,const IVec3 & b)744 IVec3 divRoundUp (const IVec3& a, const IVec3& b)
745 {
746 	IVec3 res;
747 
748 	for (int i =0; i < 3; i++)
749 		res[i] = a[i] / b[i] + ((a[i] % b[i]) ? 1 : 0);
750 
751 	return res;
752 }
753 
getFormatForInternalFormat(deUint32 format)754 deUint32 getFormatForInternalFormat (deUint32 format)
755 {
756 	return glu::getTransferFormat(glu::mapGLInternalFormat(format)).format;
757 }
758 
genericTexImage(const glw::Functions & gl,deUint32 target,int faceNdx,int level,const IVec3 & size,deUint32 format,size_t dataSize,const void * data)759 void genericTexImage (const glw::Functions&	gl,
760 					  deUint32				target,
761 					  int					faceNdx,
762 					  int					level,
763 					  const IVec3&			size,
764 					  deUint32				format,
765 					  size_t				dataSize,
766 					  const void*			data)
767 {
768 	const deUint32 glTarget = (target == GL_TEXTURE_CUBE_MAP ? mapFaceNdxToFace(faceNdx) : target);
769 
770 	DE_ASSERT(target == GL_TEXTURE_CUBE_MAP || faceNdx == 0);
771 
772 	if (glu::isCompressedFormat(format))
773 	{
774 		switch (getTargetTexDims(target))
775 		{
776 			case 2:
777 				DE_ASSERT(size.z() == 1);
778 				gl.compressedTexImage2D(glTarget, level, format, (glw::GLsizei)size.x(), (glw::GLsizei)size.y(), 0, (glw::GLsizei)dataSize, data);
779 				GLU_EXPECT_NO_ERROR(gl.getError(), "glCompressedTexImage2D failed.");
780 				break;
781 
782 			case 3:
783 				gl.compressedTexImage3D(glTarget, level, format, (glw::GLsizei)size.x(), (glw::GLsizei)size.y(), (glw::GLsizei)size.z(), 0, (glw::GLsizei)dataSize, data);
784 				GLU_EXPECT_NO_ERROR(gl.getError(), "glCompressedTexImage3D failed.");
785 				break;
786 
787 			default:
788 				DE_ASSERT(false);
789 		}
790 	}
791 	else
792 	{
793 		const deUint32	glFormat	= getFormatForInternalFormat(format);
794 		const deUint32	glType		= getTypeForInternalFormat(format);
795 
796 		switch (getTargetTexDims(target))
797 		{
798 			case 2:
799 				DE_ASSERT(size.z() == 1);
800 				gl.texImage2D(glTarget, level, format, (glw::GLsizei)size.x(), (glw::GLsizei)size.y(), 0, glFormat, glType, data);
801 				GLU_EXPECT_NO_ERROR(gl.getError(), "glTexImage2D failed.");
802 				break;
803 
804 			case 3:
805 				gl.texImage3D(glTarget, level, format, (glw::GLsizei)size.x(), (glw::GLsizei)size.y(), (glw::GLsizei)size.z(), 0, glFormat, glType, data);
806 				GLU_EXPECT_NO_ERROR(gl.getError(), "glTexImage3D failed.");
807 				break;
808 
809 			default:
810 				DE_ASSERT(false);
811 		}
812 	}
813 }
814 
genTextureImage(const glw::Functions & gl,de::Random & rng,deUint32 name,vector<ArrayBuffer<deUint8>> & levels,const ImageInfo & info,deUint32 moreRestrictiveFormat)815 void genTextureImage (const glw::Functions&				gl,
816 					  de::Random&						rng,
817 					  deUint32							name,
818 					  vector<ArrayBuffer<deUint8> >&	levels,
819 					  const ImageInfo&					info,
820 					  deUint32							moreRestrictiveFormat)
821 {
822 	const int		texelBlockSize			= getTexelBlockSize(info.getFormat());
823 	const IVec3		texelBlockPixelSize		= getTexelBlockPixelSize(info.getFormat());
824 
825 	levels.resize(getLevelCount(info));
826 
827 	gl.pixelStorei(GL_UNPACK_ALIGNMENT, 1);
828 	GLU_EXPECT_NO_ERROR(gl.getError(), "Setting pixel store aligment failed.");
829 
830 	gl.bindTexture(info.getTarget(), name);
831 	GLU_EXPECT_NO_ERROR(gl.getError(), "Binding texture failed.");
832 
833 	for (int levelNdx = 0; levelNdx < getLevelCount(info); levelNdx++)
834 	{
835 		ArrayBuffer<deUint8>&	level					= levels[levelNdx];
836 
837 		const int				faceCount				= (info.getTarget() == GL_TEXTURE_CUBE_MAP ? 6 : 1);
838 
839 		const IVec3				levelPixelSize			= getLevelSize(info.getTarget(), info.getSize(), levelNdx);
840 		const IVec3				levelTexelBlockSize		= divRoundUp(levelPixelSize, texelBlockPixelSize);
841 		const int				levelTexelBlockCount	= levelTexelBlockSize.x() * levelTexelBlockSize.y() * levelTexelBlockSize.z();
842 		const int				levelSize				= levelTexelBlockCount * texelBlockSize;
843 
844 		level.setStorage(levelSize * faceCount);
845 
846 		for (int faceNdx = 0; faceNdx < faceCount; faceNdx++)
847 		{
848 			genTexel(rng, moreRestrictiveFormat, texelBlockSize, levelTexelBlockCount, level.getElementPtr(faceNdx * levelSize));
849 
850 			genericTexImage(gl, info.getTarget(), faceNdx, levelNdx, levelPixelSize, info.getFormat(), levelSize, level.getElementPtr(faceNdx * levelSize));
851 		}
852 	}
853 
854 	gl.texParameteri(info.getTarget(), GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
855 	gl.texParameteri(info.getTarget(), GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
856 
857 	if (info.getTarget() == GL_TEXTURE_3D)
858 		gl.texParameteri(info.getTarget(), GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
859 
860 	gl.texParameteri(info.getTarget(), GL_TEXTURE_MIN_FILTER, GL_NEAREST);
861 	gl.texParameteri(info.getTarget(), GL_TEXTURE_MAG_FILTER, GL_NEAREST);
862 	GLU_EXPECT_NO_ERROR(gl.getError(), "Setting texture parameters failed");
863 
864 	gl.bindTexture(info.getTarget(), 0);
865 	GLU_EXPECT_NO_ERROR(gl.getError(), "Unbinding texture failed.");
866 }
867 
genRenderbufferImage(const glw::Functions & gl,de::Random & rng,deUint32 name,vector<ArrayBuffer<deUint8>> & levels,const ImageInfo & info,deUint32 moreRestrictiveFormat)868 void genRenderbufferImage (const glw::Functions&			gl,
869 						   de::Random&						rng,
870 						   deUint32							name,
871 						   vector<ArrayBuffer<deUint8> >&	levels,
872 						   const ImageInfo&					info,
873 						   deUint32							moreRestrictiveFormat)
874 {
875 	const IVec3					size	= info.getSize();
876 	const tcu::TextureFormat	format	= glu::mapGLInternalFormat(info.getFormat());
877 
878 	DE_ASSERT(info.getTarget() == GL_RENDERBUFFER);
879 	DE_ASSERT(info.getSize().z() == 1);
880 	DE_ASSERT(getLevelCount(info) == 1);
881 	DE_ASSERT(!glu::isCompressedFormat(info.getFormat()));
882 
883 	glu::Framebuffer framebuffer(gl);
884 
885 	levels.resize(1);
886 	levels[0].setStorage(format.getPixelSize() * size.x() * size.y());
887 	tcu::PixelBufferAccess refAccess(format, size.x(), size.y(), 1, levels[0].getPtr());
888 
889 	gl.bindRenderbuffer(GL_RENDERBUFFER, name);
890 	gl.renderbufferStorage(GL_RENDERBUFFER, info.getFormat(), info.getSize().x(), info.getSize().y());
891 	GLU_EXPECT_NO_ERROR(gl.getError(), "Binding and setting storage for renderbuffer failed.");
892 
893 	gl.bindFramebuffer(GL_FRAMEBUFFER, *framebuffer);
894 	gl.framebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, name);
895 	GLU_EXPECT_NO_ERROR(gl.getError(), "Binding framebuffer and attaching renderbuffer failed.");
896 
897 	{
898 		vector<deUint8> texelBlock(format.getPixelSize());
899 
900 		if (isFixedPointFormat(info.getFormat()))
901 		{
902 			// All zeroes is only bit pattern that fixed point values can be
903 			// cleared to and that is valid floating point value.
904 			if (isFloatFormat(moreRestrictiveFormat))
905 				deMemset(&texelBlock[0], 0x0, texelBlock.size());
906 			else
907 			{
908 				// Fixed point values can be only cleared to all 0 or 1.
909 				const deInt32 fill = rng.getBool() ? 0xFF : 0x0;
910 				deMemset(&texelBlock[0], fill, texelBlock.size());
911 			}
912 		}
913 		else
914 			genTexel(rng, moreRestrictiveFormat, format.getPixelSize(), 1, &(texelBlock[0]));
915 
916 		{
917 			const tcu::ConstPixelBufferAccess texelAccess (format, 1, 1, 1, &(texelBlock[0]));
918 
919 			if (isIntFormat(info.getFormat()))
920 			{
921 				const tcu::IVec4 color = texelAccess.getPixelInt(0, 0, 0);
922 
923 				gl.clearBufferiv(GL_COLOR, 0, (const deInt32*)&color);
924 				GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to clear renderbuffer.");
925 
926 				DE_ASSERT(!tcu::isSRGB(format));
927 				tcu::clear(refAccess, color);
928 			}
929 			else if (isUintFormat(info.getFormat()))
930 			{
931 				const tcu::IVec4 color = texelAccess.getPixelInt(0, 0, 0);
932 
933 				gl.clearBufferuiv(GL_COLOR, 0, (const deUint32*)&color);
934 				GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to clear renderbuffer.");
935 
936 				DE_ASSERT(!tcu::isSRGB(format));
937 				tcu::clear(refAccess, color);
938 			}
939 			else
940 			{
941 				const tcu::Vec4 rawColor	= texelAccess.getPixel(0, 0, 0);
942 				const tcu::Vec4 linearColor	= (tcu::isSRGB(format) ? tcu::sRGBToLinear(rawColor) : rawColor);
943 
944 				// rawColor bit pattern has been chosen to be "safe" in the destination format. For sRGB
945 				// formats, the clear color is in linear space. Since we want the resulting bit pattern
946 				// to be safe after implementation linear->sRGB transform, we must apply the inverting
947 				// transform to the clear color.
948 
949 				if (isFloatFormat(info.getFormat()))
950 				{
951 					gl.clearBufferfv(GL_COLOR, 0, (const float*)&linearColor);
952 				}
953 				else
954 				{
955 					// fixed-point
956 					gl.clearColor(linearColor.x(), linearColor.y(), linearColor.z(), linearColor.w());
957 					gl.clear(GL_COLOR_BUFFER_BIT);
958 				}
959 				GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to clear renderbuffer.");
960 
961 				tcu::clear(refAccess, rawColor);
962 			}
963 		}
964 	}
965 
966 	gl.bindRenderbuffer(GL_RENDERBUFFER, 0);
967 	gl.bindFramebuffer(GL_FRAMEBUFFER, 0);
968 	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind renderbufer and framebuffer.");
969 }
970 
genImage(const glw::Functions & gl,de::Random & rng,deUint32 name,vector<ArrayBuffer<deUint8>> & levels,const ImageInfo & info,deUint32 moreRestrictiveFormat)971 void genImage (const glw::Functions&			gl,
972 			   de::Random&						rng,
973 			   deUint32							name,
974 			   vector<ArrayBuffer<deUint8> >&	levels,
975 			   const ImageInfo&					info,
976 			   deUint32							moreRestrictiveFormat)
977 {
978 	if (isTextureTarget(info.getTarget()))
979 		genTextureImage(gl, rng, name, levels, info, moreRestrictiveFormat);
980 	else
981 		genRenderbufferImage(gl, rng, name, levels, info, moreRestrictiveFormat);
982 }
983 
getTexelBlockStride(const ImageInfo & info,int level)984 IVec3 getTexelBlockStride (const ImageInfo& info, int level)
985 {
986 	const IVec3	size					= getLevelSize(info.getTarget(), info.getSize(), level);
987 	const int	texelBlockSize			= getTexelBlockSize(info.getFormat());
988 	const IVec3 texelBlockPixelSize		= getTexelBlockPixelSize(info.getFormat());
989 	const IVec3 textureTexelBlockSize	= divRoundUp(size, texelBlockPixelSize);
990 
991 	return IVec3(texelBlockSize, textureTexelBlockSize.x() * texelBlockSize, textureTexelBlockSize.x() * textureTexelBlockSize.y() * texelBlockSize);
992 }
993 
sumComponents(const IVec3 & v)994 int sumComponents (const IVec3& v)
995 {
996 	int s = 0;
997 
998 	for (int i = 0; i < 3; i++)
999 		s += v[i];
1000 
1001 	return s;
1002 }
1003 
copyImageData(vector<ArrayBuffer<deUint8>> & dstImageData,const ImageInfo & dstImageInfo,int dstLevel,const IVec3 & dstPos,const vector<ArrayBuffer<deUint8>> & srcImageData,const ImageInfo & srcImageInfo,int srcLevel,const IVec3 & srcPos,const IVec3 & copySize)1004 void copyImageData (vector<ArrayBuffer<deUint8> >&			dstImageData,
1005 					const ImageInfo&						dstImageInfo,
1006 					int										dstLevel,
1007 					const IVec3&							dstPos,
1008 
1009 					const vector<ArrayBuffer<deUint8> >&	srcImageData,
1010 					const ImageInfo&						srcImageInfo,
1011 					int										srcLevel,
1012 					const IVec3&							srcPos,
1013 
1014 					const IVec3&							copySize)
1015 {
1016 	const ArrayBuffer<deUint8>&	srcLevelData			= srcImageData[srcLevel];
1017 	ArrayBuffer<deUint8>&		dstLevelData			= dstImageData[dstLevel];
1018 
1019 	const IVec3					srcTexelBlockPixelSize	= getTexelBlockPixelSize(srcImageInfo.getFormat());
1020 	const int					srcTexelBlockSize		= getTexelBlockSize(srcImageInfo.getFormat());
1021 	const IVec3					srcTexelPos				= srcPos / srcTexelBlockPixelSize;
1022 	const IVec3					srcTexelBlockStride		= getTexelBlockStride(srcImageInfo, srcLevel);
1023 
1024 	const IVec3					dstTexelBlockPixelSize	= getTexelBlockPixelSize(dstImageInfo.getFormat());
1025 	const int					dstTexelBlockSize		= getTexelBlockSize(dstImageInfo.getFormat());
1026 	const IVec3					dstTexelPos				= dstPos / dstTexelBlockPixelSize;
1027 	const IVec3					dstTexelBlockStride		= getTexelBlockStride(dstImageInfo, dstLevel);
1028 
1029 	const IVec3					copyTexelBlockCount		= copySize / srcTexelBlockPixelSize;
1030 	const int					texelBlockSize			= srcTexelBlockSize;
1031 
1032 	DE_ASSERT(srcTexelBlockSize == dstTexelBlockSize);
1033 	DE_UNREF(dstTexelBlockSize);
1034 
1035 	DE_ASSERT((copySize.x() % srcTexelBlockPixelSize.x()) == 0);
1036 	DE_ASSERT((copySize.y() % srcTexelBlockPixelSize.y()) == 0);
1037 	DE_ASSERT((copySize.z() % srcTexelBlockPixelSize.z()) == 0);
1038 
1039 	DE_ASSERT((srcPos.x() % srcTexelBlockPixelSize.x()) == 0);
1040 	DE_ASSERT((srcPos.y() % srcTexelBlockPixelSize.y()) == 0);
1041 	DE_ASSERT((srcPos.z() % srcTexelBlockPixelSize.z()) == 0);
1042 
1043 	for (int z = 0; z < copyTexelBlockCount.z(); z++)
1044 	for (int y = 0; y < copyTexelBlockCount.y(); y++)
1045 	{
1046 		const IVec3				blockPos		(0, y, z);
1047 		const deUint8* const	srcPtr			= srcLevelData.getElementPtr(sumComponents((srcTexelPos + blockPos) * srcTexelBlockStride));
1048 		deUint8* const			dstPtr			= dstLevelData.getElementPtr(sumComponents((dstTexelPos + blockPos) * dstTexelBlockStride));
1049 		const int				copyLineSize	= copyTexelBlockCount.x() * texelBlockSize;
1050 
1051 		deMemcpy(dstPtr, srcPtr, copyLineSize);
1052 	}
1053 }
1054 
getLevelAccesses(const vector<ArrayBuffer<deUint8>> & data,const ImageInfo & info)1055 vector<tcu::ConstPixelBufferAccess> getLevelAccesses (const vector<ArrayBuffer<deUint8> >& data, const ImageInfo& info)
1056 {
1057 	const tcu::TextureFormat			format	= glu::mapGLInternalFormat(info.getFormat());
1058 	const IVec3							size	= info.getSize();
1059 
1060 	vector<tcu::ConstPixelBufferAccess>	result;
1061 
1062 	DE_ASSERT((int)data.size() == getLevelCount(info));
1063 
1064 	for (int level = 0; level < (int)data.size(); level++)
1065 	{
1066 		const IVec3 levelSize = getLevelSize(info.getTarget(), size, level);
1067 
1068 		result.push_back(tcu::ConstPixelBufferAccess(format, levelSize.x(), levelSize.y(), levelSize.z(), data[level].getPtr()));
1069 	}
1070 
1071 	return result;
1072 }
1073 
getCubeLevelAccesses(const vector<ArrayBuffer<deUint8>> & data,const ImageInfo & info,int faceNdx)1074 vector<tcu::ConstPixelBufferAccess> getCubeLevelAccesses (const vector<ArrayBuffer<deUint8> >&	data,
1075 														  const ImageInfo&						info,
1076 														  int									faceNdx)
1077 {
1078 	const tcu::TextureFormat			format				= glu::mapGLInternalFormat(info.getFormat());
1079 	const IVec3							size				= info.getSize();
1080 	const int							texelBlockSize		= getTexelBlockSize(info.getFormat());
1081 	const IVec3							texelBlockPixelSize = getTexelBlockPixelSize(info.getFormat());
1082 	vector<tcu::ConstPixelBufferAccess>	result;
1083 
1084 	DE_ASSERT(info.getTarget() == GL_TEXTURE_CUBE_MAP);
1085 	DE_ASSERT((int)data.size() == getLevelCount(info));
1086 
1087 	for (int level = 0; level < (int)data.size(); level++)
1088 	{
1089 		const IVec3 levelPixelSize			= getLevelSize(info.getTarget(), size, level);
1090 		const IVec3	levelTexelBlockSize		= divRoundUp(levelPixelSize, texelBlockPixelSize);
1091 		const int	levelTexelBlockCount	= levelTexelBlockSize.x() * levelTexelBlockSize.y() * levelTexelBlockSize.z();
1092 		const int	levelSize				= levelTexelBlockCount * texelBlockSize;
1093 
1094 		result.push_back(tcu::ConstPixelBufferAccess(format, levelPixelSize.x(), levelPixelSize.y(), levelPixelSize.z(), data[level].getElementPtr(levelSize * faceNdx)));
1095 	}
1096 
1097 	return result;
1098 }
1099 
copyImage(const glw::Functions & gl,deUint32 dstName,vector<ArrayBuffer<deUint8>> & dstImageData,const ImageInfo & dstImageInfo,int dstLevel,const IVec3 & dstPos,deUint32 srcName,const vector<ArrayBuffer<deUint8>> & srcImageData,const ImageInfo & srcImageInfo,int srcLevel,const IVec3 & srcPos,const IVec3 & copySize)1100 void copyImage (const glw::Functions&					gl,
1101 
1102 				deUint32								dstName,
1103 				vector<ArrayBuffer<deUint8> >&			dstImageData,
1104 				const ImageInfo&						dstImageInfo,
1105 				int										dstLevel,
1106 				const IVec3&							dstPos,
1107 
1108 				deUint32								srcName,
1109 				const vector<ArrayBuffer<deUint8> >&	srcImageData,
1110 				const ImageInfo&						srcImageInfo,
1111 				int										srcLevel,
1112 				const IVec3&							srcPos,
1113 
1114 				const IVec3&							copySize)
1115 {
1116 	gl.copyImageSubData(srcName, srcImageInfo.getTarget(), srcLevel, srcPos.x(), srcPos.y(), srcPos.z(),
1117 						dstName, dstImageInfo.getTarget(), dstLevel, dstPos.x(), dstPos.y(), dstPos.z(),
1118 						copySize.x(), copySize.y(), copySize.z());
1119 
1120 	GLU_EXPECT_NO_ERROR(gl.getError(), "glCopyImageSubData failed.");
1121 
1122 	copyImageData(dstImageData, dstImageInfo, dstLevel, dstPos,
1123 				  srcImageData, srcImageInfo, srcLevel, srcPos, copySize);
1124 }
1125 
1126 template<class TextureView>
renderTexture(glu::RenderContext & renderContext,TextureRenderer & renderer,ReferenceParams & renderParams,tcu::ResultCollector & results,de::Random & rng,const TextureView & refTexture,const Verify verify,TextureImageIterator & imageIterator,tcu::TestLog & log)1127 void renderTexture (glu::RenderContext&		renderContext,
1128 					TextureRenderer&		renderer,
1129 					ReferenceParams&		renderParams,
1130 					tcu::ResultCollector&	results,
1131 					de::Random&				rng,
1132 					const TextureView&		refTexture,
1133 					const Verify			verify,
1134 					TextureImageIterator&	imageIterator,
1135 					tcu::TestLog&			log)
1136 {
1137 	const tcu::RenderTarget&	renderTarget		= renderContext.getRenderTarget();
1138 	const tcu::RGBA				threshold			= renderTarget.getPixelFormat().getColorThreshold() + tcu::RGBA(1,1,1,1);
1139 	const glw::Functions&		gl					= renderContext.getFunctions();
1140 	const IVec2					renderTargetSize	= IVec2(renderTarget.getWidth(), renderTarget.getHeight());
1141 
1142 	while (imageIterator.hasNextImage())
1143 	{
1144 		// \note: Reserve space upfront to avoid assigning tcu::Surface, which incurs buffer mem copy. Using a
1145 		// conservative estimate for simplicity
1146 		const int				imagesOnLevel	= imageIterator.getLevelImageCount();
1147 		const int				imageEstimate	= (imageIterator.getMipLevelCount() - imageIterator.getMipLevel()) * imagesOnLevel;
1148 		RandomizedRenderGrid	renderGrid		(renderTargetSize, imageIterator.getSize(), imageEstimate, rng.getUint32());
1149 		vector<CellContents>	cellContents	(renderGrid.getCellCount());
1150 		int						cellsUsed		= 0;
1151 
1152 		// \note: Ordering of conditions is significant. If put the other way around, the code would skip one of the
1153 		// images if the grid runs out of cells before the texture runs out of images. Advancing one grid cell over the
1154 		// needed number has no negative impact.
1155 		while (renderGrid.nextCell() && imageIterator.nextImage())
1156 		{
1157 			const int		level	  = imageIterator.getMipLevel();
1158 			const IVec2		levelSize = imageIterator.getSize();
1159 			const IVec2		origin	  = renderGrid.getOrigin();
1160 			vector<float>	texCoord;
1161 
1162 			DE_ASSERT(imageIterator.getTarget() != GL_TEXTURE_CUBE_MAP || levelSize.x() >= 4 || levelSize.y() >= 4);
1163 
1164 			renderParams.baseLevel	= level;
1165 			renderParams.maxLevel	= level;
1166 
1167 			gl.texParameteri(imageIterator.getTarget(), GL_TEXTURE_BASE_LEVEL, level);
1168 			gl.texParameteri(imageIterator.getTarget(), GL_TEXTURE_MAX_LEVEL, level);
1169 
1170 			computeQuadTexCoords(texCoord, imageIterator);
1171 
1172 			// Setup base viewport.
1173 			gl.viewport(origin.x(), origin.y(), levelSize.x(), levelSize.y());
1174 
1175 			// Draw.
1176 			renderer.renderQuad(0, &texCoord[0], renderParams);
1177 			GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to render.");
1178 
1179 			if (verify == VERIFY_COMPARE_REFERENCE)
1180 			{
1181 				const int	target					= imageIterator.getTarget();
1182 				const int	imageIndex				= imageIterator.getCurrentImage();
1183 
1184 				cellContents[cellsUsed].origin		= origin;
1185 				cellContents[cellsUsed].name		= getTextureImageName(target, level, imageIndex);
1186 				cellContents[cellsUsed].description	= getTextureImageDescription(target, level, imageIndex);
1187 
1188 				cellContents[cellsUsed].reference.setSize(levelSize.x(), levelSize.y());
1189 
1190 				// Compute reference.
1191 				sampleTexture(tcu::SurfaceAccess(cellContents[cellsUsed].reference, renderContext.getRenderTarget().getPixelFormat()), refTexture, &texCoord[0], renderParams);
1192 				cellsUsed++;
1193 			}
1194 		}
1195 
1196 		if (cellsUsed > 0)
1197 		{
1198 			const IVec4		boundingBox		= renderGrid.getUsedAreaBoundingBox();
1199 			tcu::Surface	renderedFrame	(boundingBox[2], boundingBox[3]);
1200 
1201 			glu::readPixels(renderContext, boundingBox.x(), boundingBox.y(), renderedFrame.getAccess());
1202 			GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to read pixels.");
1203 
1204 			for (int idx = 0; idx < cellsUsed; idx++)
1205 			{
1206 				const CellContents&					cell		 (cellContents[idx]);
1207 				const IVec2							cellOrigin	 = cell.origin - boundingBox.toWidth<2>();
1208 				const tcu::ConstPixelBufferAccess	resultAccess = getSubregion(renderedFrame.getAccess(), cellOrigin.x(), cellOrigin.y(), cell.reference.getWidth(), cell.reference.getHeight());
1209 
1210 				if (!intThresholdCompare(log, cell.name.c_str(), cell.description.c_str(), cell.reference.getAccess(), resultAccess, threshold.toIVec().cast<deUint32>(), tcu::COMPARE_LOG_ON_ERROR))
1211 					results.fail("Image comparison of " + cell.description + " failed.");
1212 				else
1213 					log << TestLog::Message << "Image comparison of " << cell.description << " passed." << TestLog::EndMessage;;
1214 			}
1215 		}
1216 	}
1217 
1218 	gl.texParameteri(imageIterator.getTarget(), GL_TEXTURE_BASE_LEVEL, 0);
1219 	gl.texParameteri(imageIterator.getTarget(), GL_TEXTURE_MAX_LEVEL, 1000);
1220 }
1221 
renderTexture2DView(tcu::TestContext & testContext,glu::RenderContext & renderContext,TextureRenderer & renderer,tcu::ResultCollector & results,de::Random & rng,deUint32 name,const ImageInfo & info,const tcu::Texture2DView & refTexture,Verify verify)1222 void renderTexture2DView (tcu::TestContext&			testContext,
1223 						  glu::RenderContext&		renderContext,
1224 						  TextureRenderer&			renderer,
1225 						  tcu::ResultCollector&		results,
1226 						  de::Random&				rng,
1227 						  deUint32					name,
1228 						  const ImageInfo&			info,
1229 						  const tcu::Texture2DView&	refTexture,
1230 						  Verify					verify)
1231 {
1232 	tcu::TestLog&					log				= testContext.getLog();
1233 	const glw::Functions&			gl				= renderContext.getFunctions();
1234 	const tcu::TextureFormat		format			= refTexture.getLevel(0).getFormat();
1235 	const tcu::TextureFormatInfo	spec			= tcu::getTextureFormatInfo(format);
1236 
1237 	ReferenceParams					renderParams	(TEXTURETYPE_2D);
1238 	TextureImageIterator			imageIterator	(info, getLevelCount(info));
1239 
1240 	renderParams.samplerType	= getSamplerType(format);
1241 	renderParams.sampler		= Sampler(Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::NEAREST_MIPMAP_NEAREST, Sampler::NEAREST);
1242 	renderParams.colorScale		= spec.lookupScale;
1243 	renderParams.colorBias		= spec.lookupBias;
1244 
1245 	gl.activeTexture(GL_TEXTURE0);
1246 	gl.bindTexture(GL_TEXTURE_2D, name);
1247 	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to bind texture.");
1248 
1249 	gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
1250 	gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
1251 	gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
1252 	gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
1253 	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to setup texture filtering state.");
1254 
1255 	renderTexture<tcu::Texture2DView>(renderContext, renderer, renderParams, results, rng, refTexture, verify, imageIterator, log);
1256 
1257 	gl.bindTexture(GL_TEXTURE_2D, 0);
1258 	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind texture.");
1259 }
1260 
decompressTextureLevel(const tcu::TexDecompressionParams & params,ArrayBuffer<deUint8> & levelData,tcu::PixelBufferAccess & levelAccess,const tcu::CompressedTexFormat & compressedFormat,const tcu::TextureFormat & decompressedFormat,const IVec3 & levelPixelSize,const void * data)1261 void decompressTextureLevel (const tcu::TexDecompressionParams&		params,
1262 							 ArrayBuffer<deUint8>&					levelData,
1263 							 tcu::PixelBufferAccess&				levelAccess,
1264 							 const tcu::CompressedTexFormat&		compressedFormat,
1265 							 const tcu::TextureFormat&				decompressedFormat,
1266 							 const IVec3&							levelPixelSize,
1267 							 const void*							data)
1268 {
1269 	levelData.setStorage(levelPixelSize.x() * levelPixelSize.y() * levelPixelSize.z() * decompressedFormat.getPixelSize());
1270 	levelAccess = tcu::PixelBufferAccess(decompressedFormat, levelPixelSize.x(), levelPixelSize.y(), levelPixelSize.z(), levelData.getPtr());
1271 
1272 	tcu::decompress(levelAccess, compressedFormat, (const deUint8*)data, params);
1273 }
1274 
decompressTexture(vector<ArrayBuffer<deUint8>> & levelDatas,vector<tcu::PixelBufferAccess> & levelAccesses,glu::RenderContext & renderContext,const ImageInfo & info,const vector<ArrayBuffer<deUint8>> & data)1275 void decompressTexture (vector<ArrayBuffer<deUint8> >&			levelDatas,
1276 						vector<tcu::PixelBufferAccess>&			levelAccesses,
1277 						glu::RenderContext&						renderContext,
1278 						const ImageInfo&						info,
1279 						const vector<ArrayBuffer<deUint8> >&	data)
1280 {
1281 	const tcu::CompressedTexFormat	compressedFormat	= glu::mapGLCompressedTexFormat(info.getFormat());
1282 	const tcu::TextureFormat		decompressedFormat	= tcu::getUncompressedFormat(compressedFormat);
1283 	const IVec3						size				= info.getSize();
1284 	const bool						isES32				= glu::contextSupports(renderContext.getType(), glu::ApiType::es(3, 2));
1285 
1286 	de::UniquePtr<glu::ContextInfo>	ctxInfo				(glu::ContextInfo::create(renderContext));
1287 	tcu::TexDecompressionParams		decompressParams;
1288 
1289 	if (tcu::isAstcFormat(compressedFormat))
1290 	{
1291 		if (ctxInfo->isExtensionSupported("GL_KHR_texture_compression_astc_hdr") && !tcu::isAstcSRGBFormat(compressedFormat))
1292 			decompressParams = tcu::TexDecompressionParams(tcu::TexDecompressionParams::ASTCMODE_HDR);
1293 		else if (isES32 || ctxInfo->isExtensionSupported("GL_KHR_texture_compression_astc_ldr"))
1294 			decompressParams = tcu::TexDecompressionParams(tcu::TexDecompressionParams::ASTCMODE_LDR);
1295 		else
1296 			DE_ASSERT(false);
1297 	}
1298 
1299 	levelDatas.resize(getLevelCount(info));
1300 	levelAccesses.resize(getLevelCount(info));
1301 
1302 	for (int level = 0; level < getLevelCount(info); level++)
1303 	{
1304 		const IVec3					levelPixelSize	= getLevelSize(info.getTarget(), size, level);
1305 		de::ArrayBuffer<deUint8>&	levelData		= levelDatas[level];
1306 		tcu::PixelBufferAccess&		levelAccess		= levelAccesses[level];
1307 
1308 		decompressTextureLevel(decompressParams, levelData, levelAccess, compressedFormat, decompressedFormat, levelPixelSize, data[level].getPtr());
1309 	}
1310 }
1311 
renderTexture2D(tcu::TestContext & testContext,glu::RenderContext & renderContext,TextureRenderer & textureRenderer,tcu::ResultCollector & results,de::Random & rng,deUint32 name,const vector<ArrayBuffer<deUint8>> & data,const ImageInfo & info,Verify verify)1312 void renderTexture2D (tcu::TestContext&						testContext,
1313 					  glu::RenderContext&					renderContext,
1314 					  TextureRenderer&						textureRenderer,
1315 					  tcu::ResultCollector&					results,
1316 					  de::Random&							rng,
1317 					  deUint32								name,
1318 					  const vector<ArrayBuffer<deUint8> >&	data,
1319 					  const ImageInfo&						info,
1320 					  Verify								verify)
1321 {
1322 	if (glu::isCompressedFormat(info.getFormat()))
1323 	{
1324 		vector<de::ArrayBuffer<deUint8> >	levelDatas;
1325 		vector<tcu::PixelBufferAccess>		levelAccesses;
1326 
1327 		decompressTexture(levelDatas, levelAccesses, renderContext, info, data);
1328 
1329 		{
1330 			const tcu::Texture2DView refTexture((int)levelAccesses.size(), &(levelAccesses[0]));
1331 
1332 			renderTexture2DView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture, verify);
1333 		}
1334 	}
1335 	else
1336 	{
1337 		const vector<tcu::ConstPixelBufferAccess>	levelAccesses	= getLevelAccesses(data, info);
1338 		const tcu::Texture2DView					refTexture		((int)levelAccesses.size(), &(levelAccesses[0]));
1339 
1340 		renderTexture2DView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture, verify);
1341 	}
1342 }
1343 
renderTexture3DView(tcu::TestContext & testContext,glu::RenderContext & renderContext,TextureRenderer & renderer,tcu::ResultCollector & results,de::Random & rng,deUint32 name,const ImageInfo & info,const tcu::Texture3DView & refTexture,Verify verify)1344 void renderTexture3DView (tcu::TestContext&			testContext,
1345 						  glu::RenderContext&		renderContext,
1346 						  TextureRenderer&			renderer,
1347 						  tcu::ResultCollector&		results,
1348 						  de::Random&				rng,
1349 						  deUint32					name,
1350 						  const ImageInfo&			info,
1351 						  const tcu::Texture3DView&	refTexture,
1352 						  Verify					verify)
1353 {
1354 	tcu::TestLog&					log				= testContext.getLog();
1355 	const glw::Functions&			gl				= renderContext.getFunctions();
1356 	const tcu::TextureFormat		format			= refTexture.getLevel(0).getFormat();
1357 	const tcu::TextureFormatInfo	spec			= tcu::getTextureFormatInfo(format);
1358 
1359 	ReferenceParams					renderParams	(TEXTURETYPE_3D);
1360 	TextureImageIterator			imageIterator	(info, getLevelCount(info));
1361 
1362 	renderParams.samplerType	= getSamplerType(format);
1363 	renderParams.sampler		= Sampler(Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::NEAREST_MIPMAP_NEAREST, Sampler::NEAREST);
1364 	renderParams.colorScale		= spec.lookupScale;
1365 	renderParams.colorBias		= spec.lookupBias;
1366 
1367 	gl.activeTexture(GL_TEXTURE0);
1368 	gl.bindTexture(GL_TEXTURE_3D, name);
1369 	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to bind texture.");
1370 
1371 	gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
1372 	gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
1373 	gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
1374 	gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
1375 	gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
1376 	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to setup texture filtering state.");
1377 
1378 	renderTexture<tcu::Texture3DView>(renderContext, renderer, renderParams, results, rng, refTexture, verify, imageIterator, log);
1379 
1380 	gl.bindTexture(GL_TEXTURE_3D, 0);
1381 	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind texture.");
1382 }
1383 
renderTexture3D(tcu::TestContext & testContext,glu::RenderContext & renderContext,TextureRenderer & textureRenderer,tcu::ResultCollector & results,de::Random & rng,deUint32 name,const vector<ArrayBuffer<deUint8>> & data,const ImageInfo & info,Verify verify)1384 void renderTexture3D (tcu::TestContext&						testContext,
1385 					  glu::RenderContext&					renderContext,
1386 					  TextureRenderer&						textureRenderer,
1387 					  tcu::ResultCollector&					results,
1388 					  de::Random&							rng,
1389 					  deUint32								name,
1390 					  const vector<ArrayBuffer<deUint8> >&	data,
1391 					  const ImageInfo&						info,
1392 				      Verify								verify)
1393 {
1394 	if (glu::isCompressedFormat(info.getFormat()))
1395 	{
1396 		vector<de::ArrayBuffer<deUint8> >	levelDatas;
1397 		vector<tcu::PixelBufferAccess>		levelAccesses;
1398 
1399 		decompressTexture(levelDatas, levelAccesses, renderContext, info, data);
1400 
1401 		{
1402 			const tcu::Texture3DView refTexture((int)levelAccesses.size(), &(levelAccesses[0]));
1403 
1404 			renderTexture3DView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture, verify);
1405 		}
1406 	}
1407 	else
1408 	{
1409 		const vector<tcu::ConstPixelBufferAccess>	levelAccesses	= getLevelAccesses(data, info);
1410 		const tcu::Texture3DView					refTexture		((int)levelAccesses.size(), &(levelAccesses[0]));
1411 
1412 		renderTexture3DView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture, verify);
1413 	}
1414 }
1415 
renderTextureCubemapView(tcu::TestContext & testContext,glu::RenderContext & renderContext,TextureRenderer & renderer,tcu::ResultCollector & results,de::Random & rng,deUint32 name,const ImageInfo & info,const tcu::TextureCubeView & refTexture,Verify verify)1416 void renderTextureCubemapView (tcu::TestContext&			testContext,
1417 							   glu::RenderContext&			renderContext,
1418 							   TextureRenderer&				renderer,
1419 							   tcu::ResultCollector&		results,
1420 							   de::Random&					rng,
1421 							   deUint32						name,
1422 							   const ImageInfo&				info,
1423 							   const tcu::TextureCubeView&	refTexture,
1424 							   Verify						verify)
1425 {
1426 	tcu::TestLog&					log				= testContext.getLog();
1427 	const glw::Functions&			gl				= renderContext.getFunctions();
1428 	const tcu::TextureFormat		format			= refTexture.getLevelFace(0, tcu::CUBEFACE_POSITIVE_X).getFormat();
1429 	const tcu::TextureFormatInfo	spec			= tcu::getTextureFormatInfo(format);
1430 
1431 	ReferenceParams					renderParams	(TEXTURETYPE_CUBE);
1432     // \note It seems we can't reliably sample two smallest texture levels with cubemaps
1433 	TextureImageIterator			imageIterator	(info, getLevelCount(info) - 2);
1434 
1435 	renderParams.samplerType	= getSamplerType(format);
1436 	renderParams.sampler		= Sampler(Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::NEAREST_MIPMAP_NEAREST, Sampler::NEAREST);
1437 	renderParams.colorScale		= spec.lookupScale;
1438 	renderParams.colorBias		= spec.lookupBias;
1439 
1440 	gl.activeTexture(GL_TEXTURE0);
1441 	gl.bindTexture(GL_TEXTURE_CUBE_MAP, name);
1442 	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to bind texture.");
1443 
1444 	gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
1445 	gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
1446 	gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
1447 	gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
1448 	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to setup texture filtering state.");
1449 
1450 	renderTexture<tcu::TextureCubeView>(renderContext, renderer, renderParams, results, rng, refTexture, verify, imageIterator, log);
1451 
1452 	gl.bindTexture(GL_TEXTURE_CUBE_MAP, 0);
1453 	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind texture.");
1454 }
1455 
renderTextureCubemap(tcu::TestContext & testContext,glu::RenderContext & renderContext,TextureRenderer & textureRenderer,tcu::ResultCollector & results,de::Random & rng,deUint32 name,const vector<ArrayBuffer<deUint8>> & data,const ImageInfo & info,Verify verify)1456 void renderTextureCubemap (tcu::TestContext&					testContext,
1457 						   glu::RenderContext&					renderContext,
1458 						   TextureRenderer&						textureRenderer,
1459 						   tcu::ResultCollector&				results,
1460 						   de::Random&							rng,
1461 						   deUint32								name,
1462 						   const vector<ArrayBuffer<deUint8> >&	data,
1463 						   const ImageInfo&						info,
1464 						   Verify								verify)
1465 {
1466 	if (glu::isCompressedFormat(info.getFormat()))
1467 	{
1468 		const tcu::CompressedTexFormat&	compressedFormat	= glu::mapGLCompressedTexFormat(info.getFormat());
1469 		const tcu::TextureFormat&		decompressedFormat	= tcu::getUncompressedFormat(compressedFormat);
1470 
1471 		const int						texelBlockSize		= getTexelBlockSize(info.getFormat());
1472 		const IVec3						texelBlockPixelSize = getTexelBlockPixelSize(info.getFormat());
1473 
1474 		const bool						isES32				= glu::contextSupports(renderContext.getType(), glu::ApiType::es(3, 2));
1475 
1476 		vector<tcu::PixelBufferAccess>	levelAccesses[6];
1477 		vector<ArrayBuffer<deUint8> >	levelDatas[6];
1478 		de::UniquePtr<glu::ContextInfo>	ctxInfo				(glu::ContextInfo::create(renderContext));
1479 		tcu::TexDecompressionParams		decompressParams;
1480 
1481 		if (tcu::isAstcFormat(compressedFormat))
1482 		{
1483 			if (ctxInfo->isExtensionSupported("GL_KHR_texture_compression_astc_hdr") && !tcu::isAstcSRGBFormat(compressedFormat))
1484 				decompressParams = tcu::TexDecompressionParams(tcu::TexDecompressionParams::ASTCMODE_HDR);
1485 			else if (isES32 || ctxInfo->isExtensionSupported("GL_KHR_texture_compression_astc_ldr"))
1486 				decompressParams = tcu::TexDecompressionParams(tcu::TexDecompressionParams::ASTCMODE_LDR);
1487 			else
1488 				DE_ASSERT(false);
1489 		}
1490 
1491 		for (int faceNdx = 0; faceNdx < 6; faceNdx++)
1492 		{
1493 			levelAccesses[faceNdx].resize(getLevelCount(info));
1494 			levelDatas[faceNdx].resize(getLevelCount(info));
1495 		}
1496 
1497 		for (int level = 0; level < getLevelCount(info); level++)
1498 		{
1499 			for (int faceNdx = 0; faceNdx < 6; faceNdx++)
1500 			{
1501 				const IVec3				levelPixelSize			= getLevelSize(info.getTarget(), info.getSize(), level);
1502 				const IVec3				levelTexelBlockSize		= divRoundUp(levelPixelSize, texelBlockPixelSize);
1503 				const int				levelTexelBlockCount	= levelTexelBlockSize.x() * levelTexelBlockSize.y() * levelTexelBlockSize.z();
1504 				const int				levelSize				= levelTexelBlockCount * texelBlockSize;
1505 
1506 				const deUint8*			dataPtr					= data[level].getElementPtr(faceNdx * levelSize);
1507 				tcu::PixelBufferAccess& levelAccess				= levelAccesses[faceNdx][level];
1508 				ArrayBuffer<deUint8>&	levelData				= levelDatas[faceNdx][level];
1509 
1510 				decompressTextureLevel(decompressParams, levelData, levelAccess, compressedFormat, decompressedFormat, levelPixelSize, dataPtr);
1511 			}
1512 		}
1513 
1514 		const tcu::ConstPixelBufferAccess* levels[6];
1515 
1516 		for (int faceNdx = 0; faceNdx < 6; faceNdx++)
1517 			levels[glu::getCubeFaceFromGL(mapFaceNdxToFace(faceNdx))] = &(levelAccesses[faceNdx][0]);
1518 
1519 		{
1520 			const tcu::TextureCubeView refTexture(getLevelCount(info), levels);
1521 
1522 			renderTextureCubemapView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture, verify);
1523 		}
1524 	}
1525 	else
1526 	{
1527 		const vector<tcu::ConstPixelBufferAccess> levelAccesses[6] =
1528 		{
1529 			getCubeLevelAccesses(data, info, 0),
1530 			getCubeLevelAccesses(data, info, 1),
1531 			getCubeLevelAccesses(data, info, 2),
1532 			getCubeLevelAccesses(data, info, 3),
1533 			getCubeLevelAccesses(data, info, 4),
1534 			getCubeLevelAccesses(data, info, 5),
1535 		};
1536 
1537 		const tcu::ConstPixelBufferAccess* levels[6];
1538 
1539 		for (int faceNdx = 0; faceNdx < 6; faceNdx++)
1540 			levels[glu::getCubeFaceFromGL(mapFaceNdxToFace(faceNdx))] = &(levelAccesses[faceNdx][0]);
1541 
1542 		{
1543 			const tcu::TextureCubeView refTexture(getLevelCount(info), levels);
1544 
1545 			renderTextureCubemapView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture, verify);
1546 		}
1547 	}
1548 }
1549 
renderTexture2DArrayView(tcu::TestContext & testContext,glu::RenderContext & renderContext,TextureRenderer & renderer,tcu::ResultCollector & results,de::Random & rng,deUint32 name,const ImageInfo & info,const tcu::Texture2DArrayView & refTexture,Verify verify)1550 void renderTexture2DArrayView (tcu::TestContext&				testContext,
1551 							   glu::RenderContext&				renderContext,
1552 							   TextureRenderer&					renderer,
1553 							   tcu::ResultCollector&			results,
1554 							   de::Random&						rng,
1555 							   deUint32							name,
1556 							   const ImageInfo&					info,
1557 							   const tcu::Texture2DArrayView&	refTexture,
1558 							   Verify							verify)
1559 {
1560 	tcu::TestLog&					log				= testContext.getLog();
1561 	const glw::Functions&			gl				= renderContext.getFunctions();
1562 	const tcu::TextureFormat		format			= refTexture.getLevel(0).getFormat();
1563 	const tcu::TextureFormatInfo	spec			= tcu::getTextureFormatInfo(format);
1564 
1565 	ReferenceParams					renderParams	(TEXTURETYPE_2D_ARRAY);
1566 	TextureImageIterator			imageIterator	(info, getLevelCount(info));
1567 
1568 	renderParams.samplerType	= getSamplerType(format);
1569 	renderParams.sampler		= Sampler(Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::NEAREST_MIPMAP_NEAREST, Sampler::NEAREST);
1570 	renderParams.colorScale		= spec.lookupScale;
1571 	renderParams.colorBias		= spec.lookupBias;
1572 
1573 	gl.activeTexture(GL_TEXTURE0);
1574 	gl.bindTexture(GL_TEXTURE_2D_ARRAY, name);
1575 	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to bind texture.");
1576 
1577 	gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
1578 	gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
1579 	gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
1580 	gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
1581 	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to setup texture filtering state.");
1582 
1583 	renderTexture<tcu::Texture2DArrayView>(renderContext, renderer, renderParams, results, rng, refTexture, verify, imageIterator, log);
1584 
1585 	gl.bindTexture(GL_TEXTURE_2D_ARRAY, 0);
1586 	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind texture.");
1587 }
1588 
renderTexture2DArray(tcu::TestContext & testContext,glu::RenderContext & renderContext,TextureRenderer & textureRenderer,tcu::ResultCollector & results,de::Random & rng,deUint32 name,const vector<ArrayBuffer<deUint8>> & data,const ImageInfo & info,Verify verify)1589 void renderTexture2DArray (tcu::TestContext&					testContext,
1590 						   glu::RenderContext&					renderContext,
1591 						   TextureRenderer&						textureRenderer,
1592 						   tcu::ResultCollector&				results,
1593 						   de::Random&							rng,
1594 						   deUint32								name,
1595 						   const vector<ArrayBuffer<deUint8> >&	data,
1596 						   const ImageInfo&						info,
1597 						   Verify								verify)
1598 {
1599 	if (glu::isCompressedFormat(info.getFormat()))
1600 	{
1601 		vector<de::ArrayBuffer<deUint8> >	levelDatas;
1602 		vector<tcu::PixelBufferAccess>		levelAccesses;
1603 
1604 		decompressTexture(levelDatas, levelAccesses, renderContext, info, data);
1605 
1606 		{
1607 			const tcu::Texture2DArrayView refTexture((int)levelAccesses.size(), &(levelAccesses[0]));
1608 
1609 			renderTexture2DArrayView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture, verify);
1610 		}
1611 	}
1612 	else
1613 	{
1614 		const vector<tcu::ConstPixelBufferAccess>	levelAccesses	= getLevelAccesses(data, info);
1615 		const tcu::Texture2DArrayView				refTexture		((int)levelAccesses.size(), &(levelAccesses[0]));
1616 
1617 		renderTexture2DArrayView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture, verify);
1618 	}
1619 }
1620 
getReadPixelFormat(const tcu::TextureFormat & format)1621 tcu::TextureFormat getReadPixelFormat (const tcu::TextureFormat& format)
1622 {
1623 	switch (tcu::getTextureChannelClass(format.type))
1624 	{
1625 		case tcu::TEXTURECHANNELCLASS_FLOATING_POINT:
1626 		case tcu::TEXTURECHANNELCLASS_SIGNED_FIXED_POINT:
1627 		case tcu::TEXTURECHANNELCLASS_UNSIGNED_FIXED_POINT:
1628 			return tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNORM_INT8);
1629 
1630 		case tcu::TEXTURECHANNELCLASS_SIGNED_INTEGER:
1631 			return tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::SIGNED_INT32);
1632 
1633 		case tcu::TEXTURECHANNELCLASS_UNSIGNED_INTEGER:
1634 			return tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNSIGNED_INT32);
1635 
1636 		default:
1637 			DE_ASSERT(false);
1638 			return tcu::TextureFormat();
1639 	}
1640 }
1641 
calculateThreshold(const tcu::TextureFormat & sourceFormat,const tcu::TextureFormat & readPixelsFormat)1642 Vec4 calculateThreshold (const tcu::TextureFormat& sourceFormat, const tcu::TextureFormat& readPixelsFormat)
1643 {
1644 	DE_ASSERT(tcu::getTextureChannelClass(sourceFormat.type) != tcu::TEXTURECHANNELCLASS_FLOATING_POINT);
1645 	DE_ASSERT(tcu::getTextureChannelClass(readPixelsFormat.type) != tcu::TEXTURECHANNELCLASS_FLOATING_POINT);
1646 
1647 	DE_ASSERT(tcu::getTextureChannelClass(sourceFormat.type) != tcu::TEXTURECHANNELCLASS_SIGNED_INTEGER);
1648 	DE_ASSERT(tcu::getTextureChannelClass(readPixelsFormat.type) != tcu::TEXTURECHANNELCLASS_SIGNED_INTEGER);
1649 
1650 	DE_ASSERT(tcu::getTextureChannelClass(sourceFormat.type) != tcu::TEXTURECHANNELCLASS_UNSIGNED_INTEGER);
1651 	DE_ASSERT(tcu::getTextureChannelClass(readPixelsFormat.type) != tcu::TEXTURECHANNELCLASS_UNSIGNED_INTEGER);
1652 
1653 	{
1654 		const tcu::IVec4	srcBits		= tcu::getTextureFormatBitDepth(sourceFormat);
1655 		const tcu::IVec4	readBits	= tcu::getTextureFormatBitDepth(readPixelsFormat);
1656 
1657 		return Vec4(1.0f) / ((tcu::IVec4(1) << (tcu::min(srcBits, readBits))) - tcu::IVec4(1)).cast<float>();
1658 	}
1659 }
1660 
renderRenderbuffer(tcu::TestContext & testContext,glu::RenderContext & renderContext,tcu::ResultCollector & results,deUint32 name,const vector<ArrayBuffer<deUint8>> & data,const ImageInfo & info,Verify verify)1661 void renderRenderbuffer (tcu::TestContext&						testContext,
1662 						 glu::RenderContext&					renderContext,
1663 						 tcu::ResultCollector&					results,
1664 						 deUint32								name,
1665 						 const vector<ArrayBuffer<deUint8> >&	data,
1666 						 const ImageInfo&						info,
1667 						 Verify									verify)
1668 {
1669 	const glw::Functions&				gl					= renderContext.getFunctions();
1670 	TestLog&							log					= testContext.getLog();
1671 
1672 	const tcu::TextureFormat			format				= glu::mapGLInternalFormat(info.getFormat());
1673 	const IVec3							size				= info.getSize();
1674 	const tcu::ConstPixelBufferAccess	refRenderbuffer		(format, size.x(), size.y(), 1, data[0].getPtr());
1675 	const tcu::TextureFormat			readPixelsFormat	= getReadPixelFormat(format);
1676 	tcu::TextureLevel					renderbuffer		(readPixelsFormat, size.x(), size.y());
1677 
1678 	DE_ASSERT(size.z() == 1);
1679 	DE_ASSERT(data.size() == 1);
1680 
1681 	{
1682 		glu::Framebuffer framebuffer(gl);
1683 
1684 		gl.bindFramebuffer(GL_FRAMEBUFFER, *framebuffer);
1685 		GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to create and bind framebuffer.");
1686 
1687 		gl.bindRenderbuffer(GL_RENDERBUFFER, name);
1688 		gl.framebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, name);
1689 		GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to bind and attach renderbuffer to framebuffer.");
1690 
1691 		if (verify)
1692 			glu::readPixels(renderContext, 0, 0, renderbuffer.getAccess());
1693 
1694 		gl.bindRenderbuffer(GL_RENDERBUFFER, 0);
1695 		gl.bindFramebuffer(GL_FRAMEBUFFER, 0);
1696 		GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind renderbuffer and framebuffer.");
1697 	}
1698 
1699 	if (verify == VERIFY_COMPARE_REFERENCE)
1700 	{
1701 		if (isFloatFormat(info.getFormat()))
1702 		{
1703 			const tcu::UVec4 threshold (2, 2, 2, 2);
1704 
1705 			if (!(tcu::floatUlpThresholdCompare(log, "Image comparison", "Image comparison", refRenderbuffer, renderbuffer.getAccess(), threshold, tcu::COMPARE_LOG_ON_ERROR)))
1706 				results.fail("Image comparison failed.");
1707 			else
1708 				log << TestLog::Message << "Image comarison passed." << TestLog::EndMessage;
1709 		}
1710 		else if (isIntFormat(info.getFormat()) || isUintFormat(info.getFormat()))
1711 		{
1712 			const tcu::UVec4 threshold (1, 1, 1, 1);
1713 
1714 			if (!(tcu::intThresholdCompare(log, "Image comparison", "Image comparison", refRenderbuffer, renderbuffer.getAccess(), threshold, tcu::COMPARE_LOG_ON_ERROR)))
1715 				results.fail("Image comparison failed.");
1716 			else
1717 				log << TestLog::Message << "Image comarison passed." << TestLog::EndMessage;
1718 		}
1719 		else
1720 		{
1721 			const Vec4 threshold = calculateThreshold(format, readPixelsFormat);
1722 
1723 			if (!(tcu::floatThresholdCompare(log, "Image comparison", "Image comparison", refRenderbuffer, renderbuffer.getAccess(), threshold, tcu::COMPARE_LOG_ON_ERROR)))
1724 				results.fail("Image comparison failed.");
1725 			else
1726 				log << TestLog::Message << "Image comarison passed." << TestLog::EndMessage;
1727 		}
1728 	}
1729 }
1730 
render(tcu::TestContext & testContext,glu::RenderContext & renderContext,TextureRenderer & textureRenderer,tcu::ResultCollector & results,de::Random & rng,deUint32 name,const vector<ArrayBuffer<deUint8>> & data,const ImageInfo & info,Verify verify)1731 void render (tcu::TestContext&						testContext,
1732 			 glu::RenderContext&					renderContext,
1733 			 TextureRenderer&						textureRenderer,
1734 			 tcu::ResultCollector&					results,
1735 			 de::Random&							rng,
1736 			 deUint32								name,
1737 			 const vector<ArrayBuffer<deUint8> >&	data,
1738 			 const ImageInfo&						info,
1739 			 Verify									verify)
1740 {
1741 	switch (info.getTarget())
1742 	{
1743 		case GL_TEXTURE_2D:
1744 			renderTexture2D(testContext, renderContext, textureRenderer, results, rng, name, data, info, verify);
1745 			break;
1746 
1747 		case GL_TEXTURE_3D:
1748 			renderTexture3D(testContext, renderContext, textureRenderer, results, rng, name, data, info, verify);
1749 			break;
1750 
1751 		case GL_TEXTURE_CUBE_MAP:
1752 			renderTextureCubemap(testContext, renderContext, textureRenderer, results, rng, name, data, info, verify);
1753 			break;
1754 
1755 		case GL_TEXTURE_2D_ARRAY:
1756 			renderTexture2DArray(testContext, renderContext, textureRenderer, results, rng, name, data, info, verify);
1757 			break;
1758 
1759 		case GL_RENDERBUFFER:
1760 			renderRenderbuffer(testContext, renderContext, results, name, data, info, verify);
1761 			break;
1762 
1763 		default:
1764 			DE_ASSERT(false);
1765 	}
1766 }
1767 
logTestImageInfo(TestLog & log,const ImageInfo & imageInfo)1768 void logTestImageInfo (TestLog&			log,
1769 					   const ImageInfo&	imageInfo)
1770 {
1771 	log << TestLog::Message << "Target: " << targetToName(imageInfo.getTarget()) << TestLog::EndMessage;
1772 	log << TestLog::Message << "Size: " << imageInfo.getSize() << TestLog::EndMessage;
1773 	log << TestLog::Message << "Levels: " << getLevelCount(imageInfo) << TestLog::EndMessage;
1774 	log << TestLog::Message << "Format: " << formatToName(imageInfo.getFormat()) << TestLog::EndMessage;
1775 }
1776 
logTestInfo(TestLog & log,const ImageInfo & srcImageInfo,const ImageInfo & dstImageInfo)1777 void logTestInfo (TestLog&			log,
1778 				  const ImageInfo&	srcImageInfo,
1779 				  const ImageInfo&	dstImageInfo)
1780 {
1781 	tcu::ScopedLogSection section(log, "TestCaseInfo", "Test case info");
1782 
1783 	log << TestLog::Message << "Testing copying from " << targetToName(srcImageInfo.getTarget()) << " to " << targetToName(dstImageInfo.getTarget()) << "." << TestLog::EndMessage;
1784 
1785 	{
1786 		tcu::ScopedLogSection srcSection(log, "Source image info.", "Source image info.");
1787 		logTestImageInfo(log, srcImageInfo);
1788 	}
1789 
1790 	{
1791 		tcu::ScopedLogSection dstSection(log, "Destination image info.", "Destination image info.");
1792 		logTestImageInfo(log, dstImageInfo);
1793 	}
1794 }
1795 
1796 class CopyImageTest : public TestCase
1797 {
1798 public:
1799 							CopyImageTest			(Context&			context,
1800 													 const ImageInfo&	srcImage,
1801 													 const ImageInfo&	dstImage,
1802 													 const char*		name,
1803 													 const char*		description);
1804 
1805 							~CopyImageTest			(void);
1806 
1807 	void					init					(void);
1808 	void					deinit					(void);
1809 
1810 	TestCase::IterateResult	iterate					(void);
1811 
1812 private:
1813 
1814 	void					logTestInfoIter			(void);
1815 	void					createImagesIter		(void);
1816 	void					destroyImagesIter		(void);
1817 	void					verifySourceIter		(void);
1818 	void					verifyDestinationIter	(void);
1819 	void					renderSourceIter		(void);
1820 	void					renderDestinationIter	(void);
1821 	void					copyImageIter			(void);
1822 
1823 	typedef void (CopyImageTest::*IterationFunc)(void);
1824 
1825 	struct Iteration
1826 	{
Iterationdeqp::gles31::Functional::__anonc568d0ff0111::CopyImageTest::Iteration1827 		Iteration (int methodCount_, const IterationFunc* methods_)
1828 			: methodCount	(methodCount_)
1829 			, methods		(methods_)
1830 		{
1831 		}
1832 
1833 		int						methodCount;
1834 		const IterationFunc*	methods;
1835 	};
1836 
1837 	struct State
1838 	{
Statedeqp::gles31::Functional::__anonc568d0ff0111::CopyImageTest::State1839 		State (int					seed,
1840 			   tcu::TestLog&		log,
1841 			   glu::RenderContext&	renderContext)
1842 			: rng				(seed)
1843 			, results			(log)
1844 			, srcImage			(NULL)
1845 			, dstImage			(NULL)
1846 			, textureRenderer	(renderContext, log, glu::getContextTypeGLSLVersion(renderContext.getType()), glu::PRECISION_HIGHP)
1847 		{
1848 		}
1849 
~Statedeqp::gles31::Functional::__anonc568d0ff0111::CopyImageTest::State1850 		~State (void)
1851 		{
1852 			delete srcImage;
1853 			delete dstImage;
1854 		}
1855 
1856 		de::Random						rng;
1857 		tcu::ResultCollector			results;
1858 		glu::ObjectWrapper*				srcImage;
1859 		glu::ObjectWrapper*				dstImage;
1860 		TextureRenderer					textureRenderer;
1861 
1862 		vector<ArrayBuffer<deUint8> >	srcImageLevels;
1863 		vector<ArrayBuffer<deUint8> >	dstImageLevels;
1864 	};
1865 
1866 	const ImageInfo	m_srcImageInfo;
1867 	const ImageInfo	m_dstImageInfo;
1868 
1869 	int				m_iteration;
1870 	State*			m_state;
1871 };
1872 
CopyImageTest(Context & context,const ImageInfo & srcImage,const ImageInfo & dstImage,const char * name,const char * description)1873 CopyImageTest::CopyImageTest (Context&			context,
1874 							  const ImageInfo&	srcImage,
1875 							  const ImageInfo&	dstImage,
1876 							  const char*		name,
1877 							  const char*		description)
1878 	: TestCase			(context, name, description)
1879 	, m_srcImageInfo	(srcImage)
1880 	, m_dstImageInfo	(dstImage)
1881 
1882 	, m_iteration		(0)
1883 	, m_state			(NULL)
1884 {
1885 }
1886 
~CopyImageTest(void)1887 CopyImageTest::~CopyImageTest (void)
1888 {
1889 	deinit();
1890 }
1891 
checkFormatSupport(glu::ContextInfo & info,deUint32 format,deUint32 target,glu::RenderContext & ctx)1892 void checkFormatSupport (glu::ContextInfo& info, deUint32 format, deUint32 target, glu::RenderContext& ctx)
1893 {
1894 	const bool isES32 = glu::contextSupports(ctx.getType(), glu::ApiType::es(3, 2));
1895 
1896 	if (glu::isCompressedFormat(format))
1897 	{
1898 		if (isAstcFormat(glu::mapGLCompressedTexFormat(format)))
1899 		{
1900 			DE_ASSERT(target != GL_RENDERBUFFER);
1901 			if (!info.isExtensionSupported("GL_KHR_texture_compression_astc_hdr") &&
1902 				!info.isExtensionSupported("GL_OES_texture_compression_astc"))
1903 			{
1904 				if (target == GL_TEXTURE_3D)
1905 					TCU_THROW(NotSupportedError, "TEXTURE_3D target requires HDR astc support.");
1906 				if (!isES32 && !info.isExtensionSupported("GL_KHR_texture_compression_astc_ldr"))
1907 					TCU_THROW(NotSupportedError, "Compressed astc texture not supported.");
1908 			}
1909 		}
1910 		else
1911 		{
1912 			if (!info.isCompressedTextureFormatSupported(format))
1913 				TCU_THROW(NotSupportedError, "Compressed texture not supported.");
1914 		}
1915 	}
1916 }
1917 
init(void)1918 void CopyImageTest::init (void)
1919 {
1920 	de::UniquePtr<glu::ContextInfo> ctxInfo(glu::ContextInfo::create(m_context.getRenderContext()));
1921 	const bool						isES32 = glu::contextSupports(m_context.getRenderContext().getType(), glu::ApiType::es(3, 2));
1922 
1923 	if (!isES32 && !ctxInfo->isExtensionSupported("GL_EXT_copy_image"))
1924 		throw tcu::NotSupportedError("Extension GL_EXT_copy_image not supported.", "", __FILE__, __LINE__);
1925 
1926 	checkFormatSupport(*ctxInfo, m_srcImageInfo.getFormat(), m_srcImageInfo.getTarget(), m_context.getRenderContext());
1927 	checkFormatSupport(*ctxInfo, m_dstImageInfo.getFormat(), m_dstImageInfo.getTarget(), m_context.getRenderContext());
1928 
1929 	{
1930 		SeedBuilder builder;
1931 
1932 		builder << 903980
1933 				<< m_srcImageInfo
1934 				<< m_dstImageInfo;
1935 
1936 		m_state = new State(builder.get(), m_testCtx.getLog(), m_context.getRenderContext());
1937 	}
1938 }
1939 
deinit(void)1940 void CopyImageTest::deinit (void)
1941 {
1942 	delete m_state;
1943 	m_state = NULL;
1944 }
1945 
logTestInfoIter(void)1946 void CopyImageTest::logTestInfoIter (void)
1947 {
1948 	TestLog& log = m_testCtx.getLog();
1949 
1950 	logTestInfo(log, m_srcImageInfo, m_dstImageInfo);
1951 }
1952 
createImagesIter(void)1953 void CopyImageTest::createImagesIter (void)
1954 {
1955 	TestLog&				log						= m_testCtx.getLog();
1956 	glu::RenderContext&		renderContext			= m_context.getRenderContext();
1957 	const glw::Functions&	gl						= renderContext.getFunctions();
1958 	const deUint32			moreRestrictiveFormat	= getMoreRestrictiveFormat(m_srcImageInfo.getFormat(), m_dstImageInfo.getFormat());
1959 	de::Random&				rng						= m_state->rng;
1960 
1961 	DE_ASSERT(!m_state->srcImage);
1962 	DE_ASSERT(!m_state->dstImage);
1963 
1964 	m_state->srcImage = new glu::ObjectWrapper(gl, getObjectTraits(m_srcImageInfo));
1965 	m_state->dstImage = new glu::ObjectWrapper(gl, getObjectTraits(m_dstImageInfo));
1966 
1967 	{
1968 		glu::ObjectWrapper&				srcImage				= *m_state->srcImage;
1969 		glu::ObjectWrapper&				dstImage				= *m_state->dstImage;
1970 
1971 		vector<ArrayBuffer<deUint8> >&	srcImageLevels			= m_state->srcImageLevels;
1972 		vector<ArrayBuffer<deUint8> >&	dstImageLevels			= m_state->dstImageLevels;
1973 
1974 		log << TestLog::Message << "Creating source image." << TestLog::EndMessage;
1975 		genImage(gl, rng, *srcImage, srcImageLevels, m_srcImageInfo, moreRestrictiveFormat);
1976 
1977 		log << TestLog::Message << "Creating destination image." << TestLog::EndMessage;
1978 		genImage(gl, rng, *dstImage, dstImageLevels, m_dstImageInfo, moreRestrictiveFormat);
1979 	}
1980 }
1981 
destroyImagesIter(void)1982 void CopyImageTest::destroyImagesIter (void)
1983 {
1984 	TestLog& log = m_testCtx.getLog();
1985 
1986 	log << TestLog::Message << "Deleting source image. " << TestLog::EndMessage;
1987 
1988 	delete m_state->srcImage;
1989 	m_state->srcImage = NULL;
1990 	m_state->srcImageLevels.clear();
1991 
1992 	log << TestLog::Message << "Deleting destination image. " << TestLog::EndMessage;
1993 
1994 	delete m_state->dstImage;
1995 	m_state->dstImage = NULL;
1996 	m_state->dstImageLevels.clear();
1997 }
1998 
verifySourceIter(void)1999 void CopyImageTest::verifySourceIter (void)
2000 {
2001 	TestLog&						log					= m_testCtx.getLog();
2002 	const tcu::ScopedLogSection		sourceSection		(log, "Source image verify.", "Source image verify.");
2003 
2004 	de::Random&						rng					= m_state->rng;
2005 	tcu::ResultCollector&			results				= m_state->results;
2006 	glu::ObjectWrapper&				srcImage			= *m_state->srcImage;
2007 	vector<ArrayBuffer<deUint8> >&	srcImageLevels		= m_state->srcImageLevels;
2008 
2009 	log << TestLog::Message << "Verifying source image." << TestLog::EndMessage;
2010 
2011 	render(m_testCtx, m_context.getRenderContext(), m_state->textureRenderer, results, rng, *srcImage, srcImageLevels, m_srcImageInfo, VERIFY_COMPARE_REFERENCE);
2012 }
2013 
verifyDestinationIter(void)2014 void CopyImageTest::verifyDestinationIter (void)
2015 {
2016 	TestLog&						log					= m_testCtx.getLog();
2017 	const tcu::ScopedLogSection		destinationSection	(log, "Destination image verify.", "Destination image verify.");
2018 
2019 	de::Random&						rng					= m_state->rng;
2020 	tcu::ResultCollector&			results				= m_state->results;
2021 	glu::ObjectWrapper&				dstImage			= *m_state->dstImage;
2022 	vector<ArrayBuffer<deUint8> >&	dstImageLevels		= m_state->dstImageLevels;
2023 
2024 	log << TestLog::Message << "Verifying destination image." << TestLog::EndMessage;
2025 
2026 	render(m_testCtx, m_context.getRenderContext(), m_state->textureRenderer, results, rng, *dstImage, dstImageLevels, m_dstImageInfo, VERIFY_COMPARE_REFERENCE);
2027 }
2028 
renderSourceIter(void)2029 void CopyImageTest::renderSourceIter (void)
2030 {
2031 	TestLog&						log					= m_testCtx.getLog();
2032 	const tcu::ScopedLogSection		sourceSection		(log, "Source image verify.", "Source image verify.");
2033 
2034 	de::Random&						rng					= m_state->rng;
2035 	tcu::ResultCollector&			results				= m_state->results;
2036 	glu::ObjectWrapper&				srcImage			= *m_state->srcImage;
2037 	vector<ArrayBuffer<deUint8> >&	srcImageLevels		= m_state->srcImageLevels;
2038 
2039 	log << TestLog::Message << "Verifying source image." << TestLog::EndMessage;
2040 
2041 	render(m_testCtx, m_context.getRenderContext(), m_state->textureRenderer, results, rng, *srcImage, srcImageLevels, m_srcImageInfo, VERIFY_NONE);
2042 }
2043 
renderDestinationIter(void)2044 void CopyImageTest::renderDestinationIter (void)
2045 {
2046 	TestLog&						log					= m_testCtx.getLog();
2047 	const tcu::ScopedLogSection		destinationSection	(log, "Destination image verify.", "Destination image verify.");
2048 
2049 	de::Random&						rng					= m_state->rng;
2050 	tcu::ResultCollector&			results				= m_state->results;
2051 	glu::ObjectWrapper&				dstImage			= *m_state->dstImage;
2052 	vector<ArrayBuffer<deUint8> >&	dstImageLevels		= m_state->dstImageLevels;
2053 
2054 	log << TestLog::Message << "Verifying destination image." << TestLog::EndMessage;
2055 
2056 	render(m_testCtx, m_context.getRenderContext(), m_state->textureRenderer, results, rng, *dstImage, dstImageLevels, m_dstImageInfo, VERIFY_NONE);
2057 }
2058 
2059 struct Copy
2060 {
Copydeqp::gles31::Functional::__anonc568d0ff0111::Copy2061 	Copy (const IVec3&	srcPos_,
2062 		  int			srcLevel_,
2063 
2064 		  const IVec3&	dstPos_,
2065 		  int			dstLevel_,
2066 
2067 		  const IVec3&	size_,
2068 		  const IVec3&	dstSize_)
2069 		: srcPos	(srcPos_)
2070 		, srcLevel	(srcLevel_)
2071 
2072 		, dstPos	(dstPos_)
2073 		, dstLevel	(dstLevel_)
2074 
2075 		, size		(size_)
2076 		, dstSize	(dstSize_)
2077 	{
2078 	}
2079 
2080 	IVec3	srcPos;
2081 	int		srcLevel;
2082 	IVec3	dstPos;
2083 	int		dstLevel;
2084 	IVec3	size;
2085 	IVec3	dstSize;	//!< used only for logging
2086 };
2087 
getLastFullLevel(const ImageInfo & info)2088 int getLastFullLevel (const ImageInfo& info)
2089 {
2090 	const int	levelCount		= getLevelCount(info);
2091 	const IVec3	blockPixelSize	= getTexelBlockPixelSize(info.getFormat());
2092 
2093 	for (int level = 0; level < levelCount; level++)
2094 	{
2095 		const IVec3 levelSize = getLevelSize(info.getTarget(), info.getSize(), level);
2096 
2097 		if (levelSize.x() < blockPixelSize.x() || levelSize.y() < blockPixelSize.y() || levelSize.z() < blockPixelSize.z())
2098 			return level - 1;
2099 	}
2100 
2101 	return levelCount -1;
2102 }
2103 
generateCopies(vector<Copy> & copies,const ImageInfo & srcInfo,const ImageInfo & dstInfo)2104 void generateCopies (vector<Copy>& copies, const ImageInfo& srcInfo, const ImageInfo& dstInfo)
2105 {
2106 	const deUint32	srcTarget		= srcInfo.getTarget();
2107 	const deUint32	dstTarget		= dstInfo.getTarget();
2108 
2109 	const bool		srcIsTexture	= isTextureTarget(srcInfo.getTarget());
2110 	const bool		dstIsTexture	= isTextureTarget(dstInfo.getTarget());
2111 
2112 	const bool		srcIsCube		= srcTarget == GL_TEXTURE_CUBE_MAP;
2113 	const bool		dstIsCube		= dstTarget == GL_TEXTURE_CUBE_MAP;
2114 
2115 	const IVec3		srcBlockPixelSize		= getTexelBlockPixelSize(srcInfo.getFormat());
2116 	const IVec3		dstBlockPixelSize		= getTexelBlockPixelSize(dstInfo.getFormat());
2117 
2118 	const int levels[] =
2119 	{
2120 		0, 1, -1
2121 	};
2122 
2123 	for (int levelNdx = 0; levelNdx < (srcIsTexture || dstIsTexture ? DE_LENGTH_OF_ARRAY(levels) : 1); levelNdx++)
2124 	{
2125 		const int	srcLevel				= (srcIsTexture ? (levels[levelNdx] >= 0 ? levels[levelNdx] : getLastFullLevel(srcInfo)) : 0);
2126 		const int	dstLevel				= (dstIsTexture ? (levels[levelNdx] >= 0 ? levels[levelNdx] : getLastFullLevel(dstInfo)) : 0);
2127 
2128 		const IVec3	srcSize					= getLevelSize(srcInfo.getTarget(), srcInfo.getSize(), srcLevel);
2129 		const IVec3	dstSize					= getLevelSize(dstInfo.getTarget(), dstInfo.getSize(), dstLevel);
2130 
2131 		// \note These are rounded down
2132 		const IVec3	srcCompleteBlockSize	= IVec3(srcSize.x() / srcBlockPixelSize.x(), srcSize.y() / srcBlockPixelSize.y(), (srcIsCube ? 6 : srcSize.z() / srcBlockPixelSize.z()));
2133 		const IVec3	dstCompleteBlockSize	= IVec3(dstSize.x() / dstBlockPixelSize.x(), dstSize.y() / dstBlockPixelSize.y(), (dstIsCube ? 6 : dstSize.z() / dstBlockPixelSize.z()));
2134 
2135 		const IVec3	maxCopyBlockSize		= tcu::min(srcCompleteBlockSize, dstCompleteBlockSize);
2136 
2137 		// \note These are rounded down
2138 		const int	copyBlockWidth			= de::max((2 * (maxCopyBlockSize.x() / 4)) - 1, 1);
2139 		const int	copyBlockHeight			= de::max((2 * (maxCopyBlockSize.y() / 4)) - 1, 1);
2140 		const int	copyBlockDepth			= de::max((2 * (maxCopyBlockSize.z() / 4)) - 1, 1);
2141 
2142 		// Copy NPOT block to (0,0,0) from other corner on src
2143 		{
2144 			const IVec3	copyBlockSize	(copyBlockWidth, copyBlockHeight, copyBlockDepth);
2145 			const IVec3	srcBlockPos		(srcCompleteBlockSize - copyBlockSize);
2146 			const IVec3	dstBlockPos		(0, 0, 0);
2147 
2148 			const IVec3	srcPos			(srcBlockPos * srcBlockPixelSize);
2149 			const IVec3	dstPos			(dstBlockPos * dstBlockPixelSize);
2150 			const IVec3 srcCopySize		(copyBlockSize * srcBlockPixelSize);
2151 			const IVec3 dstCopySize		(copyBlockSize * dstBlockPixelSize);
2152 
2153 			copies.push_back(Copy(srcPos, srcLevel, dstPos, dstLevel, srcCopySize, dstCopySize));
2154 		}
2155 
2156 		// Copy NPOT block from (0,0,0) to other corner on dst
2157 		{
2158 			const IVec3	copyBlockSize	(copyBlockWidth, copyBlockHeight, copyBlockDepth);
2159 			const IVec3	srcBlockPos		(0, 0, 0);
2160 			const IVec3	dstBlockPos		(dstCompleteBlockSize - copyBlockSize);
2161 
2162 			const IVec3	srcPos			(srcBlockPos * srcBlockPixelSize);
2163 			const IVec3	dstPos			(dstBlockPos * dstBlockPixelSize);
2164 			const IVec3 srcCopySize		(copyBlockSize * srcBlockPixelSize);
2165 			const IVec3 dstCopySize		(copyBlockSize * dstBlockPixelSize);
2166 
2167 			copies.push_back(Copy(srcPos, srcLevel, dstPos, dstLevel, srcCopySize, dstCopySize));
2168 		}
2169 
2170 		// Copy NPOT block near the corner with high coordinates
2171 		{
2172 			const IVec3	copyBlockSize	(copyBlockWidth, copyBlockHeight, copyBlockDepth);
2173 			const IVec3	srcBlockPos		(tcu::max((srcCompleteBlockSize / 4) * 4 - copyBlockSize, IVec3(0)));
2174 			const IVec3	dstBlockPos		(tcu::max((dstCompleteBlockSize / 4) * 4 - copyBlockSize, IVec3(0)));
2175 
2176 			const IVec3	srcPos			(srcBlockPos * srcBlockPixelSize);
2177 			const IVec3	dstPos			(dstBlockPos * dstBlockPixelSize);
2178 			const IVec3 srcCopySize		(copyBlockSize * srcBlockPixelSize);
2179 			const IVec3 dstCopySize		(copyBlockSize * dstBlockPixelSize);
2180 
2181 			copies.push_back(Copy(srcPos, srcLevel, dstPos, dstLevel, srcCopySize, dstCopySize));
2182 		}
2183 	}
2184 }
2185 
copyImageIter(void)2186 void CopyImageTest::copyImageIter (void)
2187 {
2188 	TestLog&						log				= m_testCtx.getLog();
2189 	const glw::Functions&			gl				= m_context.getRenderContext().getFunctions();
2190 	glu::ObjectWrapper&				srcImage		= *m_state->srcImage;
2191 	glu::ObjectWrapper&				dstImage		= *m_state->dstImage;
2192 
2193 	vector<ArrayBuffer<deUint8> >&	srcImageLevels	= m_state->srcImageLevels;
2194 	vector<ArrayBuffer<deUint8> >&	dstImageLevels	= m_state->dstImageLevels;
2195 	vector<Copy>					copies;
2196 
2197 	generateCopies(copies, m_srcImageInfo, m_dstImageInfo);
2198 
2199 	for (int copyNdx = 0; copyNdx < (int)copies.size(); copyNdx++)
2200 	{
2201 		const Copy& copy = copies[copyNdx];
2202 
2203 		log	<< TestLog::Message
2204 			<< "Copying area with size " << copy.size
2205 			<< " from source image position " << copy.srcPos << " and mipmap level " << copy.srcLevel
2206 			<< " to destination image position " << copy.dstPos << " and mipmap level " << copy.dstLevel << ". "
2207 			<< "Size in destination format is " << copy.dstSize
2208 			<< TestLog::EndMessage;
2209 
2210 		copyImage(gl, *dstImage, dstImageLevels, m_dstImageInfo, copy.dstLevel, copy.dstPos,
2211 					  *srcImage, srcImageLevels, m_srcImageInfo, copy.srcLevel, copy.srcPos, copy.size);
2212 	}
2213 }
2214 
iterate(void)2215 TestCase::IterateResult CopyImageTest::iterate (void)
2216 {
2217 	// Note: Returning from iterate() has two side-effects: it touches
2218 	// watchdog and calls eglSwapBuffers. For the first it's important
2219 	// to keep work per iteration reasonable to avoid
2220 	// timeouts. Because of the latter, it's prudent to do more than
2221 	// trivial amount of work. Otherwise we'll end up waiting for a
2222 	// new buffer in swap, it seems.
2223 
2224 	// The split below tries to combine trivial work with actually
2225 	// expensive rendering iterations without having too much
2226 	// rendering in one iteration to avoid timeouts.
2227 	const IterationFunc iteration1[] =
2228 	{
2229 		&CopyImageTest::logTestInfoIter,
2230 		&CopyImageTest::createImagesIter,
2231 		&CopyImageTest::renderSourceIter
2232 	};
2233 	const IterationFunc iteration2[] =
2234 	{
2235 		&CopyImageTest::renderDestinationIter
2236 	};
2237 	const IterationFunc iteration3[] =
2238 	{
2239 		&CopyImageTest::copyImageIter,
2240 		&CopyImageTest::verifySourceIter
2241 	};
2242 	const IterationFunc iteration4[] =
2243 	{
2244 		&CopyImageTest::verifyDestinationIter,
2245 		&CopyImageTest::destroyImagesIter
2246 	};
2247 	const IterationFunc iteration5[] =
2248 	{
2249 		&CopyImageTest::createImagesIter,
2250 		&CopyImageTest::copyImageIter,
2251 		&CopyImageTest::verifySourceIter
2252 	};
2253 	const IterationFunc iteration6[] =
2254 	{
2255 		&CopyImageTest::verifyDestinationIter,
2256 		&CopyImageTest::destroyImagesIter
2257 	};
2258 	const Iteration iterations[] =
2259 	{
2260 		Iteration(DE_LENGTH_OF_ARRAY(iteration1), iteration1),
2261 		Iteration(DE_LENGTH_OF_ARRAY(iteration2), iteration2),
2262 		Iteration(DE_LENGTH_OF_ARRAY(iteration3), iteration3),
2263 		Iteration(DE_LENGTH_OF_ARRAY(iteration4), iteration4),
2264 		Iteration(DE_LENGTH_OF_ARRAY(iteration5), iteration5),
2265 		Iteration(DE_LENGTH_OF_ARRAY(iteration6), iteration6)
2266 	};
2267 
2268 	DE_ASSERT(m_iteration < DE_LENGTH_OF_ARRAY(iterations));
2269 	for (int method = 0; method < iterations[m_iteration].methodCount; method++)
2270 		(this->*iterations[m_iteration].methods[method])();
2271 
2272 	m_iteration++;
2273 
2274 	if (m_iteration < DE_LENGTH_OF_ARRAY(iterations))
2275 	{
2276 		return CONTINUE;
2277 	}
2278 	else
2279 	{
2280 		m_state->results.setTestContextResult(m_testCtx);
2281 		return STOP;
2282 	}
2283 }
2284 
2285 class CopyImageTests : public TestCaseGroup
2286 {
2287 public:
2288 						CopyImageTests			(Context& context);
2289 						~CopyImageTests			(void);
2290 
2291 	void				init					(void);
2292 
2293 private:
2294 						CopyImageTests			(const CopyImageTests& other);
2295 	CopyImageTests&		operator=				(const CopyImageTests& other);
2296 };
2297 
CopyImageTests(Context & context)2298 CopyImageTests::CopyImageTests (Context& context)
2299 	: TestCaseGroup	(context, "copy_image", "Copy image tests for GL_EXT_copy_image.")
2300 {
2301 }
2302 
~CopyImageTests(void)2303 CopyImageTests::~CopyImageTests (void)
2304 {
2305 }
2306 
smallestCommonMultiple(int a_,int b_)2307 int smallestCommonMultiple (int a_, int b_)
2308 {
2309 	int	a		= (a_ > b_ ? a_ : b_);
2310 	int	b		= (a_ > b_ ? b_ : a_);
2311 	int	result  = 1;
2312 
2313 	for (int i = b/2; i > 1; i--)
2314 	{
2315 		while ((a % i) == 0 && (b % i) == 0)
2316 		{
2317 			result *= i;
2318 			a /= i;
2319 			b /= i;
2320 		}
2321 	}
2322 
2323 	return result * a * b;
2324 }
2325 
getTestedSize(deUint32 target,deUint32 format,const IVec3 & targetSize)2326 IVec3 getTestedSize (deUint32 target, deUint32 format, const IVec3& targetSize)
2327 {
2328 	const IVec3 texelBlockPixelSize = getTexelBlockPixelSize(format);
2329 	const bool	isCube				= target == GL_TEXTURE_CUBE_MAP;
2330 	const bool	is3D				= target == GL_TEXTURE_3D || target == GL_TEXTURE_2D_ARRAY;
2331 
2332 	if (isCube)
2333 	{
2334 		const int	multiplier	= smallestCommonMultiple(texelBlockPixelSize.x(), texelBlockPixelSize.y());
2335 		const int	size		= (1 + (targetSize.x() / multiplier)) * multiplier;
2336 
2337 		return IVec3(size, size, 1);
2338 	}
2339 	else if (is3D)
2340 	{
2341 		return (1 + (targetSize / texelBlockPixelSize)) * texelBlockPixelSize;
2342 	}
2343 	else
2344 	{
2345 		const int width = (1 + targetSize.x() / texelBlockPixelSize.x()) * texelBlockPixelSize.x();
2346 		const int height = ((targetSize.y() / texelBlockPixelSize.y()) - 1) * texelBlockPixelSize.y();
2347 
2348 		return IVec3(width, height, 1);
2349 	}
2350 }
2351 
addCopyTests(TestCaseGroup * root,deUint32 srcFormat,deUint32 dstFormat)2352 void addCopyTests (TestCaseGroup* root, deUint32 srcFormat, deUint32 dstFormat)
2353 {
2354 	const string			groupName	= string(formatToName(srcFormat)) + "_" + formatToName(dstFormat);
2355 	TestCaseGroup* const	group		= new TestCaseGroup(root->getContext(), groupName.c_str(), groupName.c_str());
2356 
2357 	const deUint32 targets[] =
2358 	{
2359 		GL_TEXTURE_2D,
2360 		GL_TEXTURE_3D,
2361 		GL_TEXTURE_CUBE_MAP,
2362 		GL_TEXTURE_2D_ARRAY,
2363 		GL_RENDERBUFFER
2364 	};
2365 
2366 	root->addChild(group);
2367 
2368 	for (int srcTargetNdx = 0; srcTargetNdx < DE_LENGTH_OF_ARRAY(targets); srcTargetNdx++)
2369 	{
2370 		const deUint32	srcTarget				= targets[srcTargetNdx];
2371 		const bool		srcIs3D					= srcTarget == GL_TEXTURE_2D_ARRAY || srcTarget == GL_TEXTURE_3D;
2372 
2373 		if (glu::isCompressedFormat(srcFormat) && srcTarget == GL_RENDERBUFFER)
2374 			continue;
2375 
2376 		if (srcTarget == GL_RENDERBUFFER && !isColorRenderable(srcFormat))
2377 			continue;
2378 
2379 		if (glu::isCompressedFormat(srcFormat) && !tcu::isAstcFormat(glu::mapGLCompressedTexFormat(srcFormat)) && srcIs3D)
2380 			continue;
2381 
2382 		for (int dstTargetNdx = 0; dstTargetNdx < DE_LENGTH_OF_ARRAY(targets); dstTargetNdx++)
2383 		{
2384 			const deUint32	dstTarget				= targets[dstTargetNdx];
2385 			const bool		dstIs3D					= dstTarget == GL_TEXTURE_2D_ARRAY || dstTarget == GL_TEXTURE_3D;
2386 
2387 			if (glu::isCompressedFormat(dstFormat) && dstTarget == GL_RENDERBUFFER)
2388 				continue;
2389 
2390 			if (dstTarget == GL_RENDERBUFFER && !isColorRenderable(dstFormat))
2391 				continue;
2392 
2393 			if (glu::isCompressedFormat(dstFormat) && !tcu::isAstcFormat(glu::mapGLCompressedTexFormat(dstFormat)) && dstIs3D)
2394 				continue;
2395 
2396 			const string	targetTestName	= string(targetToName(srcTarget)) + "_to_" + targetToName(dstTarget);
2397 
2398 			// Compressed formats require more space to fit all block size combinations.
2399 			const bool		isCompressedCase	= glu::isCompressedFormat(srcFormat) || glu::isCompressedFormat(dstFormat);
2400 			const IVec3		targetSize			= isCompressedCase ? IVec3(128, 128, 16) : IVec3(64, 64, 8);
2401 			const IVec3		srcSize				= getTestedSize(srcTarget, srcFormat, targetSize);
2402 			const IVec3		dstSize				= getTestedSize(dstTarget, dstFormat, targetSize);
2403 
2404 			group->addChild(new CopyImageTest(root->getContext(),
2405 											ImageInfo(srcFormat, srcTarget, srcSize),
2406 											ImageInfo(dstFormat, dstTarget, dstSize),
2407 											targetTestName.c_str(), targetTestName.c_str()));
2408 		}
2409 	}
2410 }
2411 
init(void)2412 void CopyImageTests::init (void)
2413 {
2414 	TestCaseGroup* const	nonCompressedGroup	= new TestCaseGroup(m_context, "non_compressed", "Test copying between textures.");
2415 	TestCaseGroup* const	compressedGroup		= new TestCaseGroup(m_context, "compressed", "Test copying between compressed textures.");
2416 	TestCaseGroup* const	mixedGroup			= new TestCaseGroup(m_context, "mixed", "Test copying between compressed and non-compressed textures.");
2417 
2418 	addChild(nonCompressedGroup);
2419 	addChild(compressedGroup);
2420 	addChild(mixedGroup);
2421 
2422 	map<ViewClass, vector<deUint32> >							textureFormatViewClasses;
2423 	map<ViewClass, vector<deUint32> >							compressedTextureFormatViewClasses;
2424 	map<ViewClass, pair<vector<deUint32>, vector<deUint32> > >	mixedViewClasses;
2425 
2426 	// Texture view classes
2427 	textureFormatViewClasses[VIEWCLASS_128_BITS]		= vector<deUint32>();
2428 	textureFormatViewClasses[VIEWCLASS_96_BITS]			= vector<deUint32>();
2429 	textureFormatViewClasses[VIEWCLASS_64_BITS]			= vector<deUint32>();
2430 	textureFormatViewClasses[VIEWCLASS_48_BITS]			= vector<deUint32>();
2431 	textureFormatViewClasses[VIEWCLASS_32_BITS]			= vector<deUint32>();
2432 	textureFormatViewClasses[VIEWCLASS_24_BITS]			= vector<deUint32>();
2433 	textureFormatViewClasses[VIEWCLASS_16_BITS]			= vector<deUint32>();
2434 	textureFormatViewClasses[VIEWCLASS_8_BITS]			= vector<deUint32>();
2435 
2436 	// 128bit / VIEWCLASS_128_BITS
2437 	textureFormatViewClasses[VIEWCLASS_128_BITS].push_back(GL_RGBA32F);
2438 	textureFormatViewClasses[VIEWCLASS_128_BITS].push_back(GL_RGBA32I);
2439 	textureFormatViewClasses[VIEWCLASS_128_BITS].push_back(GL_RGBA32UI);
2440 
2441 	// 96bit / VIEWCLASS_96_BITS
2442 	textureFormatViewClasses[VIEWCLASS_96_BITS].push_back(GL_RGB32F);
2443 	textureFormatViewClasses[VIEWCLASS_96_BITS].push_back(GL_RGB32I);
2444 	textureFormatViewClasses[VIEWCLASS_96_BITS].push_back(GL_RGB32UI);
2445 
2446 	// 64bit / VIEWCLASS_64_BITS
2447 	textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RG32F);
2448 	textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RG32I);
2449 	textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RG32UI);
2450 
2451 	textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RGBA16F);
2452 	textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RGBA16I);
2453 	textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RGBA16UI);
2454 
2455 	// 48bit / VIEWCLASS_48_BITS
2456 	textureFormatViewClasses[VIEWCLASS_48_BITS].push_back(GL_RGB16F);
2457 	textureFormatViewClasses[VIEWCLASS_48_BITS].push_back(GL_RGB16I);
2458 	textureFormatViewClasses[VIEWCLASS_48_BITS].push_back(GL_RGB16UI);
2459 
2460 	// 32bit / VIEWCLASS_32_BITS
2461 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_R32F);
2462 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_R32I);
2463 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_R32UI);
2464 
2465 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RG16F);
2466 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RG16I);
2467 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RG16UI);
2468 
2469 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGBA8);
2470 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGBA8I);
2471 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGBA8UI);
2472 
2473 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_R11F_G11F_B10F);
2474 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGB10_A2UI);
2475 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGB10_A2);
2476 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGBA8_SNORM);
2477 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_SRGB8_ALPHA8);
2478 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGB9_E5);
2479 
2480 	// 24bit / VIEWCLASS_24_BITS
2481 	textureFormatViewClasses[VIEWCLASS_24_BITS].push_back(GL_RGB8);
2482 	textureFormatViewClasses[VIEWCLASS_24_BITS].push_back(GL_RGB8I);
2483 	textureFormatViewClasses[VIEWCLASS_24_BITS].push_back(GL_RGB8UI);
2484 	textureFormatViewClasses[VIEWCLASS_24_BITS].push_back(GL_RGB8_SNORM);
2485 	textureFormatViewClasses[VIEWCLASS_24_BITS].push_back(GL_SRGB8);
2486 
2487 	// 16bit / VIEWCLASS_16_BITS
2488 	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_R16F);
2489 	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_R16I);
2490 	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_R16UI);
2491 
2492 	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_RG8);
2493 	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_RG8I);
2494 	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_RG8UI);
2495 	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_RG8_SNORM);
2496 
2497 	// 8bit / VIEWCLASS_8_BITS
2498 	textureFormatViewClasses[VIEWCLASS_8_BITS].push_back(GL_R8);
2499 	textureFormatViewClasses[VIEWCLASS_8_BITS].push_back(GL_R8I);
2500 	textureFormatViewClasses[VIEWCLASS_8_BITS].push_back(GL_R8UI);
2501 	textureFormatViewClasses[VIEWCLASS_8_BITS].push_back(GL_R8_SNORM);
2502 
2503 	// Compressed texture view classes
2504 	compressedTextureFormatViewClasses[VIEWCLASS_EAC_R11]			= vector<deUint32>();
2505 	compressedTextureFormatViewClasses[VIEWCLASS_EAC_RG11]			= vector<deUint32>();
2506 	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGB]			= vector<deUint32>();
2507 	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGBA]			= vector<deUint32>();
2508 	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_EAC_RGBA]		= vector<deUint32>();
2509 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_4x4_RGBA]		= vector<deUint32>();
2510 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x4_RGBA]		= vector<deUint32>();
2511 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x5_RGBA]		= vector<deUint32>();
2512 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x5_RGBA]		= vector<deUint32>();
2513 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x6_RGBA]		= vector<deUint32>();
2514 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x5_RGBA]		= vector<deUint32>();
2515 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x6_RGBA]		= vector<deUint32>();
2516 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x8_RGBA]		= vector<deUint32>();
2517 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x5_RGBA]	= vector<deUint32>();
2518 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x6_RGBA]	= vector<deUint32>();
2519 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x8_RGBA]	= vector<deUint32>();
2520 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x10_RGBA]	= vector<deUint32>();
2521 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x10_RGBA]	= vector<deUint32>();
2522 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x12_RGBA]	= vector<deUint32>();
2523 
2524 	// VIEWCLASS_EAC_R11
2525 	compressedTextureFormatViewClasses[VIEWCLASS_EAC_R11].push_back(GL_COMPRESSED_R11_EAC);
2526 	compressedTextureFormatViewClasses[VIEWCLASS_EAC_R11].push_back(GL_COMPRESSED_SIGNED_R11_EAC);
2527 
2528 	// VIEWCLASS_EAC_RG11
2529 	compressedTextureFormatViewClasses[VIEWCLASS_EAC_RG11].push_back(GL_COMPRESSED_RG11_EAC);
2530 	compressedTextureFormatViewClasses[VIEWCLASS_EAC_RG11].push_back(GL_COMPRESSED_SIGNED_RG11_EAC);
2531 
2532 	// VIEWCLASS_ETC2_RGB
2533 	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGB].push_back(GL_COMPRESSED_RGB8_ETC2);
2534 	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGB].push_back(GL_COMPRESSED_SRGB8_ETC2);
2535 
2536 	// VIEWCLASS_ETC2_RGBA
2537 	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGBA].push_back(GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2);
2538 	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGBA].push_back(GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2);
2539 
2540 	// VIEWCLASS_ETC2_EAC_RGBA
2541 	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_EAC_RGBA].push_back(GL_COMPRESSED_RGBA8_ETC2_EAC);
2542 	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_EAC_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC);
2543 
2544 	// VIEWCLASS_ASTC_4x4_RGBA
2545 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_4x4_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_4x4);
2546 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_4x4_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4);
2547 
2548 	// VIEWCLASS_ASTC_5x4_RGBA
2549 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x4_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_5x4);
2550 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x4_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4);
2551 
2552 	// VIEWCLASS_ASTC_5x5_RGBA
2553 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x5_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_5x5);
2554 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x5_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5);
2555 
2556 	// VIEWCLASS_ASTC_6x5_RGBA
2557 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x5_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_6x5);
2558 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x5_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5);
2559 
2560 	// VIEWCLASS_ASTC_6x6_RGBA
2561 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x6_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_6x6);
2562 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x6_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6);
2563 
2564 	// VIEWCLASS_ASTC_8x5_RGBA
2565 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x5_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_8x5);
2566 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x5_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5);
2567 
2568 	// VIEWCLASS_ASTC_8x6_RGBA
2569 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x6_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_8x6);
2570 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x6_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6);
2571 
2572 	// VIEWCLASS_ASTC_8x8_RGBA
2573 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x8_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_8x8);
2574 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x8_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8);
2575 
2576 	// VIEWCLASS_ASTC_10x5_RGBA
2577 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x5_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_10x5);
2578 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x5_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5);
2579 
2580 	// VIEWCLASS_ASTC_10x6_RGBA
2581 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x6_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_10x6);
2582 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x6_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6);
2583 
2584 	// VIEWCLASS_ASTC_10x8_RGBA
2585 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x8_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_10x8);
2586 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x8_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8);
2587 
2588 	// VIEWCLASS_ASTC_10x10_RGBA
2589 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x10_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_10x10);
2590 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x10_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10);
2591 
2592 	// VIEWCLASS_ASTC_12x10_RGBA
2593 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x10_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_12x10);
2594 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x10_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10);
2595 
2596 	// VIEWCLASS_ASTC_12x12_RGBA
2597 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x12_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_12x12);
2598 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x12_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12);
2599 
2600 	// Mixed view classes
2601 	mixedViewClasses[VIEWCLASS_128_BITS] = pair<vector<deUint32>, vector<deUint32> >();
2602 	mixedViewClasses[VIEWCLASS_64_BITS] = pair<vector<deUint32>, vector<deUint32> >();
2603 
2604 	// 128 bits
2605 
2606 	// Non compressed
2607 	mixedViewClasses[VIEWCLASS_128_BITS].first.push_back(GL_RGBA32F);
2608 	mixedViewClasses[VIEWCLASS_128_BITS].first.push_back(GL_RGBA32UI);
2609 	mixedViewClasses[VIEWCLASS_128_BITS].first.push_back(GL_RGBA32I);
2610 
2611 	// Compressed
2612 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA8_ETC2_EAC);
2613 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC);
2614 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RG11_EAC);
2615 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SIGNED_RG11_EAC);
2616 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_4x4);
2617 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_5x4);
2618 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_5x5);
2619 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_6x5);
2620 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_6x6);
2621 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_8x5);
2622 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_8x6);
2623 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_8x8);
2624 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_10x5);
2625 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_10x6);
2626 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_10x8);
2627 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_10x10);
2628 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_12x10);
2629 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_12x12);
2630 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4);
2631 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4);
2632 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5);
2633 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5);
2634 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6);
2635 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5);
2636 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6);
2637 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8);
2638 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5);
2639 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6);
2640 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8);
2641 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10);
2642 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10);
2643 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12);
2644 
2645 	// 64 bits
2646 
2647 	// Non compressed
2648 	mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RGBA16F);
2649 	mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RGBA16UI);
2650 	mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RGBA16I);
2651 
2652 	mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RG32F);
2653 	mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RG32UI);
2654 	mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RG32I);
2655 
2656 	// Compressed
2657 	mixedViewClasses[VIEWCLASS_64_BITS].second.push_back(GL_COMPRESSED_R11_EAC);
2658 	mixedViewClasses[VIEWCLASS_64_BITS].second.push_back(GL_COMPRESSED_SIGNED_R11_EAC);
2659 
2660 	for (map<ViewClass, vector<deUint32> >::const_iterator viewClassIter = textureFormatViewClasses.begin(); viewClassIter != textureFormatViewClasses.end(); ++viewClassIter)
2661 	{
2662 		const vector<deUint32>&	formats		= viewClassIter->second;
2663 		const ViewClass			viewClass	= viewClassIter->first;
2664 		TestCaseGroup* const	viewGroup	= new TestCaseGroup(m_context, viewClassToName(viewClass), viewClassToName(viewClass));
2665 
2666 		nonCompressedGroup->addChild(viewGroup);
2667 
2668 		for (int srcFormatNdx = 0; srcFormatNdx < (int)formats.size(); srcFormatNdx++)
2669 		for (int dstFormatNdx = 0; dstFormatNdx < (int)formats.size(); dstFormatNdx++)
2670 		{
2671 			const deUint32 srcFormat = formats[srcFormatNdx];
2672 			const deUint32 dstFormat = formats[dstFormatNdx];
2673 
2674 			if (srcFormat != dstFormat && isFloatFormat(srcFormat) && isFloatFormat(dstFormat))
2675 				continue;
2676 
2677 			addCopyTests(viewGroup, srcFormat, dstFormat);
2678 		}
2679 	}
2680 
2681 	for (map<ViewClass, vector<deUint32> >::const_iterator viewClassIter = compressedTextureFormatViewClasses.begin(); viewClassIter != compressedTextureFormatViewClasses.end(); ++viewClassIter)
2682 	{
2683 		const vector<deUint32>&	formats		= viewClassIter->second;
2684 		const ViewClass			viewClass	= viewClassIter->first;
2685 		TestCaseGroup* const	viewGroup	= new TestCaseGroup(m_context, viewClassToName(viewClass), viewClassToName(viewClass));
2686 
2687 		compressedGroup->addChild(viewGroup);
2688 
2689 		for (int srcFormatNdx = 0; srcFormatNdx < (int)formats.size(); srcFormatNdx++)
2690 		for (int dstFormatNdx = 0; dstFormatNdx < (int)formats.size(); dstFormatNdx++)
2691 		{
2692 			const deUint32 srcFormat = formats[srcFormatNdx];
2693 			const deUint32 dstFormat = formats[dstFormatNdx];
2694 
2695 			if (srcFormat != dstFormat && isFloatFormat(srcFormat) && isFloatFormat(dstFormat))
2696 				continue;
2697 
2698 			addCopyTests(viewGroup, srcFormat, dstFormat);
2699 		}
2700 	}
2701 
2702 	for (map<ViewClass, pair<vector<deUint32>, vector<deUint32> > >::const_iterator iter = mixedViewClasses.begin(); iter != mixedViewClasses.end(); ++iter)
2703 	{
2704 		const ViewClass			viewClass				= iter->first;
2705 		const string			viewClassName			= string(viewClassToName(viewClass)) + "_mixed";
2706 		TestCaseGroup* const	viewGroup				= new TestCaseGroup(m_context, viewClassName.c_str(), viewClassName.c_str());
2707 
2708 		const vector<deUint32>	nonCompressedFormats	= iter->second.first;
2709 		const vector<deUint32>	compressedFormats		= iter->second.second;
2710 
2711 		mixedGroup->addChild(viewGroup);
2712 
2713 		for (int srcFormatNdx = 0; srcFormatNdx < (int)nonCompressedFormats.size(); srcFormatNdx++)
2714 		for (int dstFormatNdx = 0; dstFormatNdx < (int)compressedFormats.size(); dstFormatNdx++)
2715 		{
2716 			const deUint32 srcFormat = nonCompressedFormats[srcFormatNdx];
2717 			const deUint32 dstFormat = compressedFormats[dstFormatNdx];
2718 
2719 			if (srcFormat != dstFormat && isFloatFormat(srcFormat) && isFloatFormat(dstFormat))
2720 				continue;
2721 
2722 			addCopyTests(viewGroup, srcFormat, dstFormat);
2723 			addCopyTests(viewGroup, dstFormat, srcFormat);
2724 		}
2725 	}
2726 }
2727 
2728 } // anonymous
2729 
createCopyImageTests(Context & context)2730 TestCaseGroup* createCopyImageTests (Context& context)
2731 {
2732 	return new CopyImageTests(context);
2733 }
2734 
2735 } // Functional
2736 } // gles31
2737 } // deqp
2738