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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 
64 using tcu::Float;
65 using tcu::IVec3;
66 using tcu::Sampler;
67 using tcu::ScopedLogSection;
68 using tcu::TestLog;
69 using tcu::Vec4;
70 using tcu::SeedBuilder;
71 
72 using de::ArrayBuffer;
73 
74 using std::map;
75 using std::string;
76 using std::vector;
77 using std::pair;
78 
79 namespace deqp
80 {
81 namespace gles31
82 {
83 namespace Functional
84 {
85 namespace
86 {
87 
88 enum ViewClass
89 {
90 	VIEWCLASS_128_BITS = 0,
91 	VIEWCLASS_96_BITS,
92 	VIEWCLASS_64_BITS,
93 	VIEWCLASS_48_BITS,
94 	VIEWCLASS_32_BITS,
95 	VIEWCLASS_24_BITS,
96 	VIEWCLASS_16_BITS,
97 	VIEWCLASS_8_BITS,
98 
99 	VIEWCLASS_EAC_R11,
100 	VIEWCLASS_EAC_RG11,
101 	VIEWCLASS_ETC2_RGB,
102 	VIEWCLASS_ETC2_RGBA,
103 	VIEWCLASS_ETC2_EAC_RGBA,
104 	VIEWCLASS_ASTC_4x4_RGBA,
105 	VIEWCLASS_ASTC_5x4_RGBA,
106 	VIEWCLASS_ASTC_5x5_RGBA,
107 	VIEWCLASS_ASTC_6x5_RGBA,
108 	VIEWCLASS_ASTC_6x6_RGBA,
109 	VIEWCLASS_ASTC_8x5_RGBA,
110 	VIEWCLASS_ASTC_8x6_RGBA,
111 	VIEWCLASS_ASTC_8x8_RGBA,
112 	VIEWCLASS_ASTC_10x5_RGBA,
113 	VIEWCLASS_ASTC_10x6_RGBA,
114 	VIEWCLASS_ASTC_10x8_RGBA,
115 	VIEWCLASS_ASTC_10x10_RGBA,
116 	VIEWCLASS_ASTC_12x10_RGBA,
117 	VIEWCLASS_ASTC_12x12_RGBA
118 };
119 
viewClassToName(ViewClass viewClass)120 const char* viewClassToName (ViewClass viewClass)
121 {
122 	switch (viewClass)
123 	{
124 		case VIEWCLASS_128_BITS:			return "viewclass_128_bits";
125 		case VIEWCLASS_96_BITS:				return "viewclass_96_bits";
126 		case VIEWCLASS_64_BITS:				return "viewclass_64_bits";
127 		case VIEWCLASS_48_BITS:				return "viewclass_48_bits";
128 		case VIEWCLASS_32_BITS:				return "viewclass_32_bits";
129 		case VIEWCLASS_24_BITS:				return "viewclass_24_bits";
130 		case VIEWCLASS_16_BITS:				return "viewclass_16_bits";
131 		case VIEWCLASS_8_BITS:				return "viewclass_8_bits";
132 		case VIEWCLASS_EAC_R11:				return "viewclass_eac_r11";
133 		case VIEWCLASS_EAC_RG11:			return "viewclass_eac_rg11";
134 		case VIEWCLASS_ETC2_RGB:			return "viewclass_etc2_rgb";
135 		case VIEWCLASS_ETC2_RGBA:			return "viewclass_etc2_rgba";
136 		case VIEWCLASS_ETC2_EAC_RGBA:		return "viewclass_etc2_eac_rgba";
137 		case VIEWCLASS_ASTC_4x4_RGBA:		return "viewclass_astc_4x4_rgba";
138 		case VIEWCLASS_ASTC_5x4_RGBA:		return "viewclass_astc_5x4_rgba";
139 		case VIEWCLASS_ASTC_5x5_RGBA:		return "viewclass_astc_5x5_rgba";
140 		case VIEWCLASS_ASTC_6x5_RGBA:		return "viewclass_astc_6x5_rgba";
141 		case VIEWCLASS_ASTC_6x6_RGBA:		return "viewclass_astc_6x6_rgba";
142 		case VIEWCLASS_ASTC_8x5_RGBA:		return "viewclass_astc_8x5_rgba";
143 		case VIEWCLASS_ASTC_8x6_RGBA:		return "viewclass_astc_8x6_rgba";
144 		case VIEWCLASS_ASTC_8x8_RGBA:		return "viewclass_astc_8x8_rgba";
145 		case VIEWCLASS_ASTC_10x5_RGBA:		return "viewclass_astc_10x5_rgba";
146 		case VIEWCLASS_ASTC_10x6_RGBA:		return "viewclass_astc_10x6_rgba";
147 		case VIEWCLASS_ASTC_10x8_RGBA:		return "viewclass_astc_10x8_rgba";
148 		case VIEWCLASS_ASTC_10x10_RGBA:		return "viewclass_astc_10x10_rgba";
149 		case VIEWCLASS_ASTC_12x10_RGBA:		return "viewclass_astc_12x10_rgba";
150 		case VIEWCLASS_ASTC_12x12_RGBA:		return "viewclass_astc_12x12_rgba";
151 
152 		default:
153 			DE_ASSERT(false);
154 			return NULL;
155 	}
156 }
157 
targetToName(deUint32 target)158 const char* targetToName (deUint32 target)
159 {
160 	switch (target)
161 	{
162 		case GL_RENDERBUFFER:		return "renderbuffer";
163 		case GL_TEXTURE_2D:			return "texture2d";
164 		case GL_TEXTURE_3D:			return "texture3d";
165 		case GL_TEXTURE_2D_ARRAY:	return "texture2d_array";
166 		case GL_TEXTURE_CUBE_MAP:	return "cubemap";
167 
168 		default:
169 			DE_ASSERT(false);
170 			return NULL;
171 	}
172 }
173 
formatToName(deUint32 format)174 string formatToName (deUint32 format)
175 {
176 	string enumName;
177 
178 	if (glu::isCompressedFormat(format))
179 		enumName = glu::getCompressedTextureFormatStr(format).toString().substr(14); // Strip GL_COMPRESSED_
180 	else
181 		enumName = glu::getUncompressedTextureFormatStr(format).toString().substr(3); // Strip GL_
182 
183 	return de::toLower(enumName);
184 }
185 
isFloatFormat(deUint32 format)186 bool isFloatFormat (deUint32 format)
187 {
188 	if (glu::isCompressedFormat(format))
189 		return false;
190 	else
191 		return tcu::getTextureChannelClass(glu::mapGLInternalFormat(format).type) == tcu::TEXTURECHANNELCLASS_FLOATING_POINT;
192 }
193 
isUintFormat(deUint32 format)194 bool isUintFormat (deUint32 format)
195 {
196 	if (glu::isCompressedFormat(format))
197 		return false;
198 	else
199 		return tcu::getTextureChannelClass(glu::mapGLInternalFormat(format).type) == tcu::TEXTURECHANNELCLASS_UNSIGNED_INTEGER;
200 }
201 
isIntFormat(deUint32 format)202 bool isIntFormat (deUint32 format)
203 {
204 	if (glu::isCompressedFormat(format))
205 		return false;
206 	else
207 		return tcu::getTextureChannelClass(glu::mapGLInternalFormat(format).type) == tcu::TEXTURECHANNELCLASS_SIGNED_INTEGER;
208 }
209 
isFixedPointFormat(deUint32 format)210 bool isFixedPointFormat (deUint32 format)
211 {
212 	if (glu::isCompressedFormat(format))
213 		return false;
214 	else
215 	{
216 		const tcu::TextureChannelClass channelClass = tcu::getTextureChannelClass(glu::mapGLInternalFormat(format).type);
217 
218 		return channelClass == tcu::TEXTURECHANNELCLASS_SIGNED_FIXED_POINT || channelClass == tcu::TEXTURECHANNELCLASS_UNSIGNED_FIXED_POINT;
219 	}
220 }
221 
isTextureTarget(deUint32 target)222 bool isTextureTarget (deUint32 target)
223 {
224 	return target != GL_RENDERBUFFER;
225 }
226 
getTargetTexDims(deUint32 target)227 int getTargetTexDims (deUint32 target)
228 {
229 	DE_ASSERT(isTextureTarget(target));
230 
231 	switch (target)
232 	{
233 		case GL_TEXTURE_1D:
234 			return 1;
235 
236 		case GL_TEXTURE_1D_ARRAY:
237 		case GL_TEXTURE_2D:
238 		case GL_TEXTURE_CUBE_MAP:
239 			return 2;
240 
241 		case GL_TEXTURE_2D_ARRAY:
242 		case GL_TEXTURE_3D:
243 			return 3;
244 
245 		default:
246 			DE_ASSERT(false);
247 			return -1;
248 	}
249 }
250 
251 class ImageInfo
252 {
253 public:
254 					ImageInfo		(deUint32 format, deUint32 target, const IVec3& size);
255 
getFormat(void) const256 	deUint32		getFormat		(void) const { return m_format; }
getTarget(void) const257 	deUint32		getTarget		(void) const { return m_target; }
getSize(void) const258 	const IVec3&	getSize			(void) const { return m_size; }
259 
260 private:
261 	deUint32		m_format;
262 	deUint32		m_target;
263 	IVec3			m_size;
264 };
265 
ImageInfo(deUint32 format,deUint32 target,const IVec3 & size)266 ImageInfo::ImageInfo (deUint32 format, deUint32 target, const IVec3& size)
267 	: m_format		(format)
268 	, m_target		(target)
269 	, m_size		(size)
270 {
271 	DE_ASSERT(m_target == GL_TEXTURE_2D_ARRAY || m_target == GL_TEXTURE_3D || m_size.z() == 1);
272 	DE_ASSERT(isTextureTarget(m_target) || !glu::isCompressedFormat(m_target));
273 }
274 
275 
operator <<(SeedBuilder & builder,const ImageInfo & info)276 SeedBuilder& operator<< (SeedBuilder& builder, const ImageInfo& info)
277 {
278 	builder << info.getFormat() << info.getTarget() << info.getSize();
279 	return builder;
280 }
281 
getObjectTraits(const ImageInfo & info)282 const glu::ObjectTraits& getObjectTraits (const ImageInfo& info)
283 {
284 	if (isTextureTarget(info.getTarget()))
285 		return glu::objectTraits(glu::OBJECTTYPE_TEXTURE);
286 	else
287 		return glu::objectTraits(glu::OBJECTTYPE_RENDERBUFFER);
288 }
289 
getLevelCount(const ImageInfo & info)290 int getLevelCount (const ImageInfo& info)
291 {
292 	const deUint32	target	= info.getTarget();
293 	const IVec3		size	= info.getSize();
294 
295 	if (target == GL_RENDERBUFFER)
296 		return 1;
297 	else if (target == GL_TEXTURE_2D_ARRAY)
298 	{
299 		const int maxSize = de::max(size.x(), size.y());
300 
301 		return deLog2Ceil32(maxSize);
302 	}
303 	else
304 	{
305 		const int maxSize = de::max(size.x(), de::max(size.y(), size.z()));
306 
307 		return deLog2Ceil32(maxSize);
308 	}
309 }
310 
311 // Return format that has more restrictions on texel data.
getMoreRestrictiveFormat(deUint32 formatA,deUint32 formatB)312 deUint32 getMoreRestrictiveFormat (deUint32 formatA, deUint32 formatB)
313 {
314 	if (formatA == formatB)
315 		return formatA;
316 	else if (glu::isCompressedFormat(formatA) && isAstcFormat(glu::mapGLCompressedTexFormat(formatA)))
317 		return formatA;
318 	else if (glu::isCompressedFormat(formatB) && isAstcFormat(glu::mapGLCompressedTexFormat(formatB)))
319 		return formatB;
320 	else if (isFloatFormat(formatA))
321 	{
322 		DE_ASSERT(!isFloatFormat(formatB));
323 
324 		return formatA;
325 	}
326 	else if (isFloatFormat(formatB))
327 	{
328 		DE_ASSERT(!isFloatFormat(formatA));
329 
330 		return formatB;
331 	}
332 	else if (glu::isCompressedFormat(formatA))
333 	{
334 		return formatA;
335 	}
336 	else if (glu::isCompressedFormat(formatB))
337 	{
338 		return formatB;
339 	}
340 	else
341 		return formatA;
342 }
343 
getTexelBlockSize(deUint32 format)344 int getTexelBlockSize (deUint32 format)
345 {
346 	if (glu::isCompressedFormat(format))
347 		return tcu::getBlockSize(glu::mapGLCompressedTexFormat(format));
348 	else
349 		return glu::mapGLInternalFormat(format).getPixelSize();
350 }
351 
getTexelBlockPixelSize(deUint32 format)352 IVec3 getTexelBlockPixelSize (deUint32 format)
353 {
354 	if (glu::isCompressedFormat(format))
355 		return tcu::getBlockPixelSize(glu::mapGLCompressedTexFormat(format));
356 	else
357 		return IVec3(1, 1, 1);
358 }
359 
getLevelSize(deUint32 target,const IVec3 & baseSize,int level)360 IVec3 getLevelSize (deUint32 target, const IVec3& baseSize, int level)
361 {
362 	IVec3 size;
363 
364 	if (target != GL_TEXTURE_2D_ARRAY)
365 	{
366 		for (int i = 0; i < 3; i++)
367 			size[i] = de::max(baseSize[i] >> level, 1);
368 	}
369 	else
370 	{
371 		for (int i = 0; i < 2; i++)
372 			size[i] = de::max(baseSize[i] >> level, 1);
373 
374 		size[2] = baseSize[2];
375 	}
376 
377 	return size;
378 }
379 
isColorRenderable(deUint32 format)380 bool isColorRenderable (deUint32 format)
381 {
382 	switch (format)
383 	{
384 		case GL_R8:
385 		case GL_RG8:
386 		case GL_RGB8:
387 		case GL_RGB565:
388 		case GL_RGB4:
389 		case GL_RGB5_A1:
390 		case GL_RGBA8:
391 		case GL_RGB10_A2:
392 		case GL_RGB10_A2UI:
393 		case GL_SRGB8_ALPHA8:
394 		case GL_R8I:
395 		case GL_R8UI:
396 		case GL_R16I:
397 		case GL_R16UI:
398 		case GL_R32I:
399 		case GL_R32UI:
400 		case GL_RG8I:
401 		case GL_RG8UI:
402 		case GL_RG16I:
403 		case GL_RG16UI:
404 		case GL_RG32I:
405 		case GL_RG32UI:
406 		case GL_RGBA8I:
407 		case GL_RGBA8UI:
408 		case GL_RGBA16I:
409 		case GL_RGBA16UI:
410 		case GL_RGBA32I:
411 		case GL_RGBA32UI:
412 			return true;
413 
414 		default:
415 			return false;
416 	}
417 }
418 
getTypeForInternalFormat(deUint32 format)419 deUint32 getTypeForInternalFormat (deUint32 format)
420 {
421 	return glu::getTransferFormat(glu::mapGLInternalFormat(format)).dataType;
422 }
423 
genTexel(de::Random & rng,deUint32 glFormat,int texelBlockSize,const int texelCount,deUint8 * buffer)424 void genTexel (de::Random& rng, deUint32 glFormat, int texelBlockSize, const int texelCount, deUint8* buffer)
425 {
426 	if (isFloatFormat(glFormat))
427 	{
428 		const tcu::TextureFormat		format	= glu::mapGLInternalFormat(glFormat);
429 		const tcu::PixelBufferAccess	access	(format, texelCount, 1, 1, buffer);
430 		const tcu::TextureFormatInfo	info	= tcu::getTextureFormatInfo(format);
431 
432 		for (int texelNdx = 0; texelNdx < texelCount; texelNdx++)
433 		{
434 			const float	red		= rng.getFloat(info.valueMin.x(), info.valueMax.x());
435 			const float green	= rng.getFloat(info.valueMin.y(), info.valueMax.y());
436 			const float blue	= rng.getFloat(info.valueMin.z(), info.valueMax.z());
437 			const float alpha	= rng.getFloat(info.valueMin.w(), info.valueMax.w());
438 
439 			const Vec4	color	(red, green, blue, alpha);
440 
441 			access.setPixel(color, texelNdx, 0, 0);
442 		}
443 	}
444 	else if (glu::isCompressedFormat(glFormat))
445 	{
446 		const tcu::CompressedTexFormat compressedFormat = glu::mapGLCompressedTexFormat(glFormat);
447 
448 		if (tcu::isAstcFormat(compressedFormat))
449 		{
450 			const int		BLOCK_SIZE				= 16;
451 			const deUint8	blocks[][BLOCK_SIZE]	=
452 			{
453 				// \note All of the following blocks are valid in LDR mode.
454 				{ 252,	253,	255,	255,	255,	255,	255,	255,	8,		71,		90,		78,		22,		17,		26,		66,		},
455 				{ 252,	253,	255,	255,	255,	255,	255,	255,	220,	74,		139,	235,	249,	6,		145,	125		},
456 				{ 252,	253,	255,	255,	255,	255,	255,	255,	223,	251,	28,		206,	54,		251,	160,	174		},
457 				{ 252,	253,	255,	255,	255,	255,	255,	255,	39,		4,		153,	219,	180,	61,		51,		37		},
458 				{ 67,	2,		0,		254,	1,		0,		64,		215,	83,		211,	159,	105,	41,		140,	50,		2		},
459 				{ 67,	130,	0,		170,	84,		255,	65,		215,	83,		211,	159,	105,	41,		140,	50,		2		},
460 				{ 67,	2,		129,	38,		51,		229,	95,		215,	83,		211,	159,	105,	41,		140,	50,		2		},
461 				{ 67,	130,	193,	56,		213,	144,	95,		215,	83,		211,	159,	105,	41,		140,	50,		2		}
462 			};
463 
464 			DE_ASSERT(texelBlockSize == BLOCK_SIZE);
465 
466 			for (int i = 0; i < texelCount; i++)
467 			{
468 				const int blockNdx = rng.getInt(0, DE_LENGTH_OF_ARRAY(blocks)-1);
469 
470 				deMemcpy(buffer + i * BLOCK_SIZE,  blocks[blockNdx], BLOCK_SIZE);
471 			}
472 		}
473 		else
474 		{
475 			for (int i = 0; i < texelBlockSize * texelCount; i++)
476 			{
477 				const deUint8 val = rng.getUint8();
478 
479 				buffer[i] = val;
480 			}
481 		}
482 	}
483 	else
484 	{
485 		for (int i = 0; i < texelBlockSize * texelCount; i++)
486 		{
487 			const deUint8 val = rng.getUint8();
488 
489 			buffer[i] = val;
490 		}
491 	}
492 }
493 
divRoundUp(const IVec3 & a,const IVec3 & b)494 IVec3 divRoundUp (const IVec3& a, const IVec3& b)
495 {
496 	IVec3 res;
497 
498 	for (int i =0; i < 3; i++)
499 		res[i] = a[i] / b[i] + ((a[i] % b[i]) ? 1 : 0);
500 
501 	return res;
502 }
503 
mapFaceNdxToFace(int ndx)504 deUint32 mapFaceNdxToFace (int ndx)
505 {
506 	const deUint32 cubeFaces[] =
507 	{
508 		GL_TEXTURE_CUBE_MAP_POSITIVE_X,
509 		GL_TEXTURE_CUBE_MAP_NEGATIVE_X,
510 
511 		GL_TEXTURE_CUBE_MAP_POSITIVE_Y,
512 		GL_TEXTURE_CUBE_MAP_NEGATIVE_Y,
513 
514 		GL_TEXTURE_CUBE_MAP_POSITIVE_Z,
515 		GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
516 	};
517 
518 	return de::getSizedArrayElement<6>(cubeFaces, ndx);
519 }
520 
getFormatForInternalFormat(deUint32 format)521 deUint32 getFormatForInternalFormat (deUint32 format)
522 {
523 	return glu::getTransferFormat(glu::mapGLInternalFormat(format)).format;
524 }
525 
genericTexImage(const glw::Functions & gl,deUint32 target,int faceNdx,int level,const IVec3 & size,deUint32 format,size_t dataSize,const void * data)526 void genericTexImage (const glw::Functions&	gl,
527 					  deUint32				target,
528 					  int					faceNdx,
529 					  int					level,
530 					  const IVec3&			size,
531 					  deUint32				format,
532 					  size_t				dataSize,
533 					  const void*			data)
534 {
535 	const deUint32 glTarget = (target == GL_TEXTURE_CUBE_MAP ? mapFaceNdxToFace(faceNdx) : target);
536 
537 	DE_ASSERT(target == GL_TEXTURE_CUBE_MAP || faceNdx == 0);
538 
539 	if (glu::isCompressedFormat(format))
540 	{
541 		switch (getTargetTexDims(target))
542 		{
543 			case 2:
544 				DE_ASSERT(size.z() == 1);
545 				gl.compressedTexImage2D(glTarget, level, format, (glw::GLsizei)size.x(), (glw::GLsizei)size.y(), 0, (glw::GLsizei)dataSize, data);
546 				GLU_EXPECT_NO_ERROR(gl.getError(), "glCompressedTexImage2D failed.");
547 				break;
548 
549 			case 3:
550 				gl.compressedTexImage3D(glTarget, level, format, (glw::GLsizei)size.x(), (glw::GLsizei)size.y(), (glw::GLsizei)size.z(), 0, (glw::GLsizei)dataSize, data);
551 				GLU_EXPECT_NO_ERROR(gl.getError(), "glCompressedTexImage3D failed.");
552 				break;
553 
554 			default:
555 				DE_ASSERT(false);
556 		}
557 	}
558 	else
559 	{
560 		const deUint32	glFormat	= getFormatForInternalFormat(format);
561 		const deUint32	glType		= getTypeForInternalFormat(format);
562 
563 		switch (getTargetTexDims(target))
564 		{
565 			case 2:
566 				DE_ASSERT(size.z() == 1);
567 				gl.texImage2D(glTarget, level, format, (glw::GLsizei)size.x(), (glw::GLsizei)size.y(), 0, glFormat, glType, data);
568 				GLU_EXPECT_NO_ERROR(gl.getError(), "glTexImage2D failed.");
569 				break;
570 
571 			case 3:
572 				gl.texImage3D(glTarget, level, format, (glw::GLsizei)size.x(), (glw::GLsizei)size.y(), (glw::GLsizei)size.z(), 0, glFormat, glType, data);
573 				GLU_EXPECT_NO_ERROR(gl.getError(), "glTexImage3D failed.");
574 				break;
575 
576 			default:
577 				DE_ASSERT(false);
578 		}
579 	}
580 }
581 
genTextureImage(const glw::Functions & gl,de::Random & rng,deUint32 name,vector<ArrayBuffer<deUint8>> & levels,const ImageInfo & info,deUint32 moreRestrictiveFormat)582 void genTextureImage (const glw::Functions&				gl,
583 					  de::Random&						rng,
584 					  deUint32							name,
585 					  vector<ArrayBuffer<deUint8> >&	levels,
586 					  const ImageInfo&					info,
587 					  deUint32							moreRestrictiveFormat)
588 {
589 	const int		texelBlockSize			= getTexelBlockSize(info.getFormat());
590 	const IVec3		texelBlockPixelSize 	= getTexelBlockPixelSize(info.getFormat());
591 
592 	levels.resize(getLevelCount(info));
593 
594 	gl.pixelStorei(GL_UNPACK_ALIGNMENT, 1);
595 	GLU_EXPECT_NO_ERROR(gl.getError(), "Setting pixel store aligment failed.");
596 
597 	gl.bindTexture(info.getTarget(), name);
598 	GLU_EXPECT_NO_ERROR(gl.getError(), "Binding texture failed.");
599 
600 	for (int levelNdx = 0; levelNdx < getLevelCount(info); levelNdx++)
601 	{
602 		ArrayBuffer<deUint8>&	level					= levels[levelNdx];
603 
604 		const int				faceCount				= (info.getTarget() == GL_TEXTURE_CUBE_MAP ? 6 : 1);
605 
606 		const IVec3				levelPixelSize			= getLevelSize(info.getTarget(), info.getSize(), levelNdx);
607 		const IVec3				levelTexelBlockSize		= divRoundUp(levelPixelSize, texelBlockPixelSize);
608 		const int				levelTexelBlockCount	= levelTexelBlockSize.x() * levelTexelBlockSize.y() * levelTexelBlockSize.z();
609 		const int				levelSize 				= levelTexelBlockCount * texelBlockSize;
610 
611 		level.setStorage(levelSize * faceCount);
612 
613 		for (int faceNdx = 0; faceNdx < faceCount; faceNdx++)
614 		{
615 			genTexel(rng, moreRestrictiveFormat, texelBlockSize, levelTexelBlockCount, level.getElementPtr(faceNdx * levelSize));
616 
617 			genericTexImage(gl, info.getTarget(), faceNdx, levelNdx, levelPixelSize, info.getFormat(), levelSize, level.getElementPtr(faceNdx * levelSize));
618 		}
619 	}
620 
621 	gl.texParameteri(info.getTarget(), GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
622 	gl.texParameteri(info.getTarget(), GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
623 
624 	if (info.getTarget() == GL_TEXTURE_3D)
625 		gl.texParameteri(info.getTarget(), GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
626 
627 	gl.texParameteri(info.getTarget(), GL_TEXTURE_MIN_FILTER, GL_NEAREST);
628 	gl.texParameteri(info.getTarget(), GL_TEXTURE_MAG_FILTER, GL_NEAREST);
629 	GLU_EXPECT_NO_ERROR(gl.getError(), "Setting texture parameters failed");
630 
631 	gl.bindTexture(info.getTarget(), 0);
632 	GLU_EXPECT_NO_ERROR(gl.getError(), "Unbinding texture failed.");
633 }
634 
genRenderbufferImage(const glw::Functions & gl,de::Random & rng,deUint32 name,vector<ArrayBuffer<deUint8>> & levels,const ImageInfo & info,deUint32 moreRestrictiveFormat)635 void genRenderbufferImage (const glw::Functions&			gl,
636 						   de::Random&						rng,
637 						   deUint32							name,
638 						   vector<ArrayBuffer<deUint8> >&	levels,
639 						   const ImageInfo&					info,
640 						   deUint32							moreRestrictiveFormat)
641 {
642 	const IVec3					size	= info.getSize();
643 	const tcu::TextureFormat	format	= glu::mapGLInternalFormat(info.getFormat());
644 
645 	DE_ASSERT(info.getTarget() == GL_RENDERBUFFER);
646 	DE_ASSERT(info.getSize().z() == 1);
647 	DE_ASSERT(getLevelCount(info) == 1);
648 	DE_ASSERT(!glu::isCompressedFormat(info.getFormat()));
649 
650 	glu::Framebuffer framebuffer(gl);
651 
652 	levels.resize(1);
653 	levels[0].setStorage(format.getPixelSize() * size.x() * size.y());
654 	tcu::PixelBufferAccess refAccess(format, size.x(), size.y(), 1, levels[0].getPtr());
655 
656 	gl.bindRenderbuffer(GL_RENDERBUFFER, name);
657 	gl.renderbufferStorage(GL_RENDERBUFFER, info.getFormat(), info.getSize().x(), info.getSize().y());
658 	GLU_EXPECT_NO_ERROR(gl.getError(), "Binding and setting storage for renderbuffer failed.");
659 
660 	gl.bindFramebuffer(GL_FRAMEBUFFER, *framebuffer);
661 	gl.framebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, name);
662 	GLU_EXPECT_NO_ERROR(gl.getError(), "Binding framebuffer and attaching renderbuffer failed.");
663 
664 	{
665 		vector<deUint8> texelBlock(format.getPixelSize());
666 
667 		if (isFixedPointFormat(info.getFormat()))
668 		{
669 			// All zeroes is only bit pattern that fixed point values can be
670 			// cleared to and that is valid floating point value.
671 			if (isFloatFormat(moreRestrictiveFormat))
672 				deMemset(&texelBlock[0], 0x0, texelBlock.size());
673 			else
674 			{
675 				// Fixed point values can be only cleared to all 0 or 1.
676 				const deInt32 fill = rng.getBool() ? 0xFF : 0x0;
677 				deMemset(&texelBlock[0], fill, texelBlock.size());
678 			}
679 		}
680 		else
681 			genTexel(rng, moreRestrictiveFormat, format.getPixelSize(), 1, &(texelBlock[0]));
682 
683 		{
684 			const tcu::ConstPixelBufferAccess texelAccess (format, 1, 1, 1, &(texelBlock[0]));
685 
686 			if (isIntFormat(info.getFormat()))
687 			{
688 				const tcu::IVec4 color = texelAccess.getPixelInt(0, 0, 0);
689 
690 				gl.clearBufferiv(GL_COLOR, 0, (const deInt32*)&color);
691 				GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to clear renderbuffer.");
692 
693 				DE_ASSERT(!tcu::isSRGB(format));
694 				tcu::clear(refAccess, color);
695 			}
696 			else if (isUintFormat(info.getFormat()))
697 			{
698 				const tcu::IVec4 color = texelAccess.getPixelInt(0, 0, 0);
699 
700 				gl.clearBufferuiv(GL_COLOR, 0, (const deUint32*)&color);
701 				GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to clear renderbuffer.");
702 
703 				DE_ASSERT(!tcu::isSRGB(format));
704 				tcu::clear(refAccess, color);
705 			}
706 			else
707 			{
708 				const tcu::Vec4 rawColor	= texelAccess.getPixel(0, 0, 0);
709 				const tcu::Vec4 linearColor	= (tcu::isSRGB(format) ? tcu::sRGBToLinear(rawColor) : rawColor);
710 
711 				// rawColor bit pattern has been chosen to be "safe" in the destination format. For sRGB
712 				// formats, the clear color is in linear space. Since we want the resulting bit pattern
713 				// to be safe after implementation linear->sRGB transform, we must apply the inverting
714 				// transform to the clear color.
715 
716 				if (isFloatFormat(info.getFormat()))
717 				{
718 					gl.clearBufferfv(GL_COLOR, 0, (const float*)&linearColor);
719 				}
720 				else
721 				{
722 					// fixed-point
723 					gl.clearColor(linearColor.x(), linearColor.y(), linearColor.z(), linearColor.w());
724 					gl.clear(GL_COLOR_BUFFER_BIT);
725 				}
726 				GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to clear renderbuffer.");
727 
728 				tcu::clear(refAccess, rawColor);
729 			}
730 		}
731 	}
732 
733 	gl.bindRenderbuffer(GL_RENDERBUFFER, 0);
734 	gl.bindFramebuffer(GL_FRAMEBUFFER, 0);
735 	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind renderbufer and framebuffer.");
736 }
737 
genImage(const glw::Functions & gl,de::Random & rng,deUint32 name,vector<ArrayBuffer<deUint8>> & levels,const ImageInfo & info,deUint32 moreRestrictiveFormat)738 void genImage (const glw::Functions&			gl,
739 			   de::Random&						rng,
740 			   deUint32							name,
741 			   vector<ArrayBuffer<deUint8> >&	levels,
742 			   const ImageInfo&					info,
743 			   deUint32							moreRestrictiveFormat)
744 {
745 	if (isTextureTarget(info.getTarget()))
746 		genTextureImage(gl, rng, name, levels, info, moreRestrictiveFormat);
747 	else
748 		genRenderbufferImage(gl, rng, name, levels, info, moreRestrictiveFormat);
749 }
750 
getTexelBlockStride(const ImageInfo & info,int level)751 IVec3 getTexelBlockStride (const ImageInfo& info, int level)
752 {
753 	const IVec3	size					= getLevelSize(info.getTarget(), info.getSize(), level);
754 	const int	texelBlockSize			= getTexelBlockSize(info.getFormat());
755 	const IVec3 texelBlockPixelSize		= getTexelBlockPixelSize(info.getFormat());
756 	const IVec3 textureTexelBlockSize	= divRoundUp(size, texelBlockPixelSize);
757 
758 	return IVec3(texelBlockSize, textureTexelBlockSize.x() * texelBlockSize, textureTexelBlockSize.x() * textureTexelBlockSize.y() * texelBlockSize);
759 }
760 
sumComponents(const IVec3 & v)761 int sumComponents (const IVec3& v)
762 {
763 	int s = 0;
764 
765 	for (int i = 0; i < 3; i++)
766 		s += v[i];
767 
768 	return s;
769 }
770 
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)771 void copyImageData (vector<ArrayBuffer<deUint8> >&			dstImageData,
772 					const ImageInfo&						dstImageInfo,
773 					int										dstLevel,
774 					const IVec3&							dstPos,
775 
776 					const vector<ArrayBuffer<deUint8> >&	srcImageData,
777 					const ImageInfo&						srcImageInfo,
778 					int										srcLevel,
779 					const IVec3&							srcPos,
780 
781 					const IVec3&							copySize)
782 {
783 	const ArrayBuffer<deUint8>&	srcLevelData			= srcImageData[srcLevel];
784 	ArrayBuffer<deUint8>&		dstLevelData			= dstImageData[dstLevel];
785 
786 	const IVec3					srcTexelBlockPixelSize	= getTexelBlockPixelSize(srcImageInfo.getFormat());
787 	const int					srcTexelBlockSize		= getTexelBlockSize(srcImageInfo.getFormat());
788 	const IVec3					srcTexelPos				= srcPos / srcTexelBlockPixelSize;
789 	const IVec3					srcTexelBlockStride		= getTexelBlockStride(srcImageInfo, srcLevel);
790 
791 	const IVec3					dstTexelBlockPixelSize	= getTexelBlockPixelSize(dstImageInfo.getFormat());
792 	const int					dstTexelBlockSize		= getTexelBlockSize(dstImageInfo.getFormat());
793 	const IVec3					dstTexelPos				= dstPos / dstTexelBlockPixelSize;
794 	const IVec3					dstTexelBlockStride		= getTexelBlockStride(dstImageInfo, dstLevel);
795 
796 	const IVec3					copyTexelBlockCount		= copySize / srcTexelBlockPixelSize;
797 	const int					texelBlockSize			= srcTexelBlockSize;
798 
799 	DE_ASSERT(srcTexelBlockSize == dstTexelBlockSize);
800 	DE_UNREF(dstTexelBlockSize);
801 
802 	DE_ASSERT((copySize.x() % srcTexelBlockPixelSize.x()) == 0);
803 	DE_ASSERT((copySize.y() % srcTexelBlockPixelSize.y()) == 0);
804 	DE_ASSERT((copySize.z() % srcTexelBlockPixelSize.z()) == 0);
805 
806 	DE_ASSERT((srcPos.x() % srcTexelBlockPixelSize.x()) == 0);
807 	DE_ASSERT((srcPos.y() % srcTexelBlockPixelSize.y()) == 0);
808 	DE_ASSERT((srcPos.z() % srcTexelBlockPixelSize.z()) == 0);
809 
810 	for (int z = 0; z < copyTexelBlockCount.z(); z++)
811 	for (int y = 0; y < copyTexelBlockCount.y(); y++)
812 	{
813 		const IVec3				blockPos		(0, y, z);
814 		const deUint8* const	srcPtr			= srcLevelData.getElementPtr(sumComponents((srcTexelPos + blockPos) * srcTexelBlockStride));
815 		deUint8* const			dstPtr			= dstLevelData.getElementPtr(sumComponents((dstTexelPos + blockPos) * dstTexelBlockStride));
816 		const int				copyLineSize	= copyTexelBlockCount.x() * texelBlockSize;
817 
818 		deMemcpy(dstPtr, srcPtr, copyLineSize);
819 	}
820 }
821 
getLevelAccesses(const vector<ArrayBuffer<deUint8>> & data,const ImageInfo & info)822 vector<tcu::ConstPixelBufferAccess> getLevelAccesses (const vector<ArrayBuffer<deUint8> >& data, const ImageInfo& info)
823 {
824 	const tcu::TextureFormat			format	= glu::mapGLInternalFormat(info.getFormat());
825 	const IVec3							size	= info.getSize();
826 
827 	vector<tcu::ConstPixelBufferAccess>	result;
828 
829 	DE_ASSERT((int)data.size() == getLevelCount(info));
830 
831 	for (int level = 0; level < (int)data.size(); level++)
832 	{
833 		const IVec3 levelSize = getLevelSize(info.getTarget(), size, level);
834 
835 		result.push_back(tcu::ConstPixelBufferAccess(format, levelSize.x(), levelSize.y(), levelSize.z(), data[level].getPtr()));
836 	}
837 
838 	return result;
839 }
840 
getCubeLevelAccesses(const vector<ArrayBuffer<deUint8>> & data,const ImageInfo & info,int faceNdx)841 vector<tcu::ConstPixelBufferAccess> getCubeLevelAccesses (const vector<ArrayBuffer<deUint8> >&	data,
842 														  const ImageInfo&						info,
843 														  int									faceNdx)
844 {
845 	const tcu::TextureFormat			format				= glu::mapGLInternalFormat(info.getFormat());
846 	const IVec3							size				= info.getSize();
847 	const int							texelBlockSize		= getTexelBlockSize(info.getFormat());
848 	const IVec3							texelBlockPixelSize = getTexelBlockPixelSize(info.getFormat());
849 	vector<tcu::ConstPixelBufferAccess>	result;
850 
851 	DE_ASSERT(info.getTarget() == GL_TEXTURE_CUBE_MAP);
852 	DE_ASSERT((int)data.size() == getLevelCount(info));
853 
854 	for (int level = 0; level < (int)data.size(); level++)
855 	{
856 		const IVec3 levelPixelSize			= getLevelSize(info.getTarget(), size, level);
857 		const IVec3	levelTexelBlockSize		= divRoundUp(levelPixelSize, texelBlockPixelSize);
858 		const int	levelTexelBlockCount	= levelTexelBlockSize.x() * levelTexelBlockSize.y() * levelTexelBlockSize.z();
859 		const int	levelSize				= levelTexelBlockCount * texelBlockSize;
860 
861 		result.push_back(tcu::ConstPixelBufferAccess(format, levelPixelSize.x(), levelPixelSize.y(), levelPixelSize.z(), data[level].getElementPtr(levelSize * faceNdx)));
862 	}
863 
864 	return result;
865 }
866 
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)867 void copyImage (const glw::Functions&					gl,
868 
869 				deUint32								dstName,
870 				vector<ArrayBuffer<deUint8> >&			dstImageData,
871 				const ImageInfo&						dstImageInfo,
872 				int										dstLevel,
873 				const IVec3&							dstPos,
874 
875 				deUint32								srcName,
876 				const vector<ArrayBuffer<deUint8> >&	srcImageData,
877 				const ImageInfo&						srcImageInfo,
878 				int										srcLevel,
879 				const IVec3&							srcPos,
880 
881 				const IVec3&							copySize)
882 {
883 	gl.copyImageSubData(srcName, srcImageInfo.getTarget(), srcLevel, srcPos.x(), srcPos.y(), srcPos.z(),
884 						dstName, dstImageInfo.getTarget(), dstLevel, dstPos.x(), dstPos.y(), dstPos.z(),
885 						copySize.x(), copySize.y(), copySize.z());
886 
887 	GLU_EXPECT_NO_ERROR(gl.getError(), "glCopyImageSubData failed.");
888 
889 	copyImageData(dstImageData, dstImageInfo, dstLevel, dstPos,
890 				  srcImageData, srcImageInfo, srcLevel, srcPos, copySize);
891 }
892 
verifyTexture2DView(tcu::TestContext & testContext,glu::RenderContext & renderContext,TextureRenderer & renderer,tcu::ResultCollector & results,de::Random & rng,deUint32 name,const ImageInfo & info,const tcu::Texture2DView & refTexture)893 void verifyTexture2DView (tcu::TestContext&			testContext,
894 						  glu::RenderContext&		renderContext,
895 						  TextureRenderer&			renderer,
896 						  tcu::ResultCollector&		results,
897 						  de::Random&				rng,
898 						  deUint32					name,
899 						  const ImageInfo&			info,
900 						  const tcu::Texture2DView&	refTexture)
901 {
902 	tcu::TestLog&					log				= testContext.getLog();
903 	const glw::Functions&			gl				= renderContext.getFunctions();
904 	const tcu::RGBA					threshold		= renderContext.getRenderTarget().getPixelFormat().getColorThreshold() + tcu::RGBA(1,1,1,1);
905 	const tcu::TextureFormat		format			= refTexture.getLevel(0).getFormat();
906 	const tcu::TextureFormatInfo	spec			= tcu::getTextureFormatInfo(format);
907 
908 	ReferenceParams					renderParams	(TEXTURETYPE_2D);
909 
910 	renderParams.samplerType	= getSamplerType(format);
911 	renderParams.sampler		= Sampler(Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::NEAREST_MIPMAP_NEAREST, Sampler::NEAREST);
912 	renderParams.colorScale		= spec.lookupScale;
913 	renderParams.colorBias		= spec.lookupBias;
914 
915 	gl.activeTexture(GL_TEXTURE0);
916 	gl.bindTexture(GL_TEXTURE_2D, name);
917 	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to bind texture.");
918 
919 	gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
920 	gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
921 	gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
922 	gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
923 	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to setup texture filtering state.");
924 
925 	for (int level = 0; level < getLevelCount(info); level++)
926 	{
927 		const IVec3				levelSize		= getLevelSize(info.getTarget(), info.getSize(), level);
928 		const RandomViewport	viewport		(renderContext.getRenderTarget(), levelSize.x(), levelSize.y(), rng.getUint32());
929 
930 		vector<float>			texCoord;
931 		tcu::Surface			renderedFrame	(viewport.width, viewport.height);
932 		tcu::Surface			referenceFrame	(viewport.width, viewport.height);
933 
934 		renderParams.baseLevel	= level;
935 		renderParams.maxLevel	= level;
936 
937 		gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, level);
938 		gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, level);
939 
940 		computeQuadTexCoord2D(texCoord, tcu::Vec2(0.0f, 0.0f), tcu::Vec2(1.0f, 1.0f));
941 
942 		// Setup base viewport.
943 		gl.viewport(viewport.x, viewport.y, viewport.width, viewport.height);
944 
945 		// Draw.
946 		renderer.renderQuad(0, &texCoord[0], renderParams);
947 		glu::readPixels(renderContext, viewport.x, viewport.y, renderedFrame.getAccess());
948 		GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to render and read pixels.");
949 
950 		// Compute reference.
951 		sampleTexture(SurfaceAccess(referenceFrame, renderContext.getRenderTarget().getPixelFormat()), refTexture, &texCoord[0], renderParams);
952 
953 		// Compare and log.
954 		if (!pixelThresholdCompare(log, ("Level" + de::toString(level)).c_str(), ("Render level " + de::toString(level)).c_str(), referenceFrame, renderedFrame, threshold, tcu::COMPARE_LOG_ON_ERROR))
955 			results.fail("Image comparison of level " + de::toString(level) + " failed.");
956 		else
957 			log << TestLog::Message << "Image comparison of level " << level << " passed." << TestLog::EndMessage;
958 	}
959 
960 	gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0);
961 	gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 1000);
962 
963 	gl.bindTexture(GL_TEXTURE_2D, 0);
964 	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind texture.");
965 }
966 
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)967 void decompressTextureLevel (const tcu::TexDecompressionParams&		params,
968 							 ArrayBuffer<deUint8>&					levelData,
969 							 tcu::PixelBufferAccess& 				levelAccess,
970 							 const tcu::CompressedTexFormat&		compressedFormat,
971 							 const tcu::TextureFormat&				decompressedFormat,
972 							 const IVec3&							levelPixelSize,
973 							 const void*							data)
974 {
975 	levelData.setStorage(levelPixelSize.x() * levelPixelSize.y() * levelPixelSize.z() * decompressedFormat.getPixelSize());
976 	levelAccess = tcu::PixelBufferAccess(decompressedFormat, levelPixelSize.x(), levelPixelSize.y(), levelPixelSize.z(), levelData.getPtr());
977 
978 	tcu::decompress(levelAccess, compressedFormat, (const deUint8*)data, params);
979 }
980 
decompressTexture(vector<ArrayBuffer<deUint8>> & levelDatas,vector<tcu::PixelBufferAccess> & levelAccesses,glu::RenderContext & renderContext,const ImageInfo & info,const vector<ArrayBuffer<deUint8>> & data)981 void decompressTexture (vector<ArrayBuffer<deUint8> >&			levelDatas,
982 						vector<tcu::PixelBufferAccess>& 		levelAccesses,
983 						glu::RenderContext&						renderContext,
984 						const ImageInfo&						info,
985 						const vector<ArrayBuffer<deUint8> >&	data)
986 {
987 	const tcu::CompressedTexFormat	compressedFormat	= glu::mapGLCompressedTexFormat(info.getFormat());
988 	const tcu::TextureFormat		decompressedFormat	= tcu::getUncompressedFormat(compressedFormat);
989 	const IVec3						size				= info.getSize();
990 	const bool						isES32				= glu::contextSupports(renderContext.getType(), glu::ApiType::es(3, 2));
991 
992 	de::UniquePtr<glu::ContextInfo>	ctxInfo				(glu::ContextInfo::create(renderContext));
993 	tcu::TexDecompressionParams		decompressParams;
994 
995 	if (tcu::isAstcFormat(compressedFormat))
996 	{
997 		if (ctxInfo->isExtensionSupported("GL_KHR_texture_compression_astc_hdr"))
998 			decompressParams = tcu::TexDecompressionParams(tcu::TexDecompressionParams::ASTCMODE_HDR);
999 		else if (isES32 || ctxInfo->isExtensionSupported("GL_KHR_texture_compression_astc_ldr"))
1000 			decompressParams = tcu::TexDecompressionParams(tcu::TexDecompressionParams::ASTCMODE_LDR);
1001 		else
1002 			DE_ASSERT(false);
1003 	}
1004 
1005 	levelDatas.resize(getLevelCount(info));
1006 	levelAccesses.resize(getLevelCount(info));
1007 
1008 	for (int level = 0; level < getLevelCount(info); level++)
1009 	{
1010 		const IVec3					levelPixelSize	= getLevelSize(info.getTarget(), size, level);
1011 		de::ArrayBuffer<deUint8>&	levelData		= levelDatas[level];
1012 		tcu::PixelBufferAccess&		levelAccess 	= levelAccesses[level];
1013 
1014 		decompressTextureLevel(decompressParams, levelData, levelAccess, compressedFormat, decompressedFormat, levelPixelSize, data[level].getPtr());
1015 	}
1016 }
1017 
verifyTexture2D(tcu::TestContext & testContext,glu::RenderContext & renderContext,TextureRenderer & textureRenderer,tcu::ResultCollector & results,de::Random & rng,deUint32 name,const vector<ArrayBuffer<deUint8>> & data,const ImageInfo & info)1018 void verifyTexture2D (tcu::TestContext&						testContext,
1019 					  glu::RenderContext&					renderContext,
1020 					  TextureRenderer&						textureRenderer,
1021 					  tcu::ResultCollector&					results,
1022 					  de::Random&							rng,
1023 					  deUint32								name,
1024 					  const vector<ArrayBuffer<deUint8> >&	data,
1025 					  const ImageInfo&						info)
1026 {
1027 	if (glu::isCompressedFormat(info.getFormat()))
1028 	{
1029 		vector<de::ArrayBuffer<deUint8> >	levelDatas;
1030 		vector<tcu::PixelBufferAccess>		levelAccesses;
1031 
1032 		decompressTexture(levelDatas, levelAccesses, renderContext, info, data);
1033 
1034 		{
1035 			const tcu::Texture2DView refTexture((int)levelAccesses.size(), &(levelAccesses[0]));
1036 
1037 			verifyTexture2DView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture);
1038 		}
1039 	}
1040 	else
1041 	{
1042 		const vector<tcu::ConstPixelBufferAccess>	levelAccesses	= getLevelAccesses(data, info);
1043 		const tcu::Texture2DView					refTexture		((int)levelAccesses.size(), &(levelAccesses[0]));
1044 
1045 		verifyTexture2DView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture);
1046 	}
1047 }
1048 
verifyTexture3DView(tcu::TestContext & testContext,glu::RenderContext & renderContext,TextureRenderer & renderer,tcu::ResultCollector & results,de::Random & rng,deUint32 name,const ImageInfo & info,const tcu::Texture3DView & refTexture)1049 void verifyTexture3DView (tcu::TestContext&			testContext,
1050 						  glu::RenderContext&		renderContext,
1051 						  TextureRenderer&			renderer,
1052 						  tcu::ResultCollector&		results,
1053 						  de::Random&				rng,
1054 						  deUint32					name,
1055 						  const ImageInfo&			info,
1056 						  const tcu::Texture3DView&	refTexture)
1057 {
1058 	tcu::TestLog&					log				= testContext.getLog();
1059 	const glw::Functions&			gl				= renderContext.getFunctions();
1060 	const tcu::RGBA					threshold		= renderContext.getRenderTarget().getPixelFormat().getColorThreshold() + tcu::RGBA(1,1,1,1);
1061 	const tcu::TextureFormat		format			= refTexture.getLevel(0).getFormat();
1062 	const tcu::TextureFormatInfo	spec			= tcu::getTextureFormatInfo(format);
1063 
1064 	ReferenceParams					renderParams	(TEXTURETYPE_3D);
1065 
1066 	renderParams.samplerType	= getSamplerType(format);
1067 	renderParams.sampler		= Sampler(Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::NEAREST_MIPMAP_NEAREST, Sampler::NEAREST);
1068 	renderParams.colorScale		= spec.lookupScale;
1069 	renderParams.colorBias		= spec.lookupBias;
1070 
1071 	gl.activeTexture(GL_TEXTURE0);
1072 	gl.bindTexture(GL_TEXTURE_3D, name);
1073 	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to bind texture.");
1074 
1075 	gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
1076 	gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
1077 	gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
1078 	gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
1079 	gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
1080 	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to setup texture filtering state.");
1081 
1082 	for (int level = 0; level < getLevelCount(info); level++)
1083 	{
1084 		const IVec3 levelSize = getLevelSize(info.getTarget(), info.getSize(), level);
1085 
1086 		renderParams.baseLevel	= level;
1087 		renderParams.maxLevel	= level;
1088 
1089 		gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_BASE_LEVEL, level);
1090 		gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAX_LEVEL, level);
1091 
1092 		for (int slice = 0; slice < levelSize.z(); slice++)
1093 		{
1094 			const RandomViewport	viewport		(renderContext.getRenderTarget(), levelSize.x(), levelSize.y(), rng.getUint32());
1095 			const float				r				= (float(slice) + 0.5f) / (float)levelSize.z();
1096 			tcu::Surface			renderedFrame	(viewport.width, viewport.height);
1097 			tcu::Surface			referenceFrame	(viewport.width, viewport.height);
1098 			vector<float>			texCoord;
1099 
1100 			computeQuadTexCoord3D(texCoord, tcu::Vec3(0.0f, 0.0f, r), tcu::Vec3(1.0f, 1.0f, r), tcu::IVec3(0, 1, 2));
1101 
1102 			// Setup base viewport.
1103 			gl.viewport(viewport.x, viewport.y, viewport.width, viewport.height);
1104 
1105 			// Draw.
1106 			renderer.renderQuad(0, &texCoord[0], renderParams);
1107 			glu::readPixels(renderContext, viewport.x, viewport.y, renderedFrame.getAccess());
1108 			GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to render and read pixels.");
1109 
1110 			// Compute reference.
1111 			sampleTexture(SurfaceAccess(referenceFrame, renderContext.getRenderTarget().getPixelFormat()), refTexture, &texCoord[0], renderParams);
1112 
1113 			// Compare and log.
1114 			if (!pixelThresholdCompare(log, ("Level" + de::toString(level) + "Slice" + de::toString(slice)).c_str(), ("Render level " + de::toString(level) + ", Slice" + de::toString(slice)).c_str(), referenceFrame, renderedFrame, threshold, tcu::COMPARE_LOG_ON_ERROR))
1115 				results.fail("Image comparison of level " + de::toString(level) + " and slice " + de::toString(slice) + " failed.");
1116 			else
1117 				log << TestLog::Message << "Image comparison of level " << level << " and slice " << slice << " passed." << TestLog::EndMessage;;
1118 		}
1119 	}
1120 
1121 	gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_BASE_LEVEL, 0);
1122 	gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAX_LEVEL, 1000);
1123 
1124 	gl.bindTexture(GL_TEXTURE_3D, 0);
1125 	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind texture.");
1126 }
1127 
verifyTexture3D(tcu::TestContext & testContext,glu::RenderContext & renderContext,TextureRenderer & textureRenderer,tcu::ResultCollector & results,de::Random & rng,deUint32 name,const vector<ArrayBuffer<deUint8>> & data,const ImageInfo & info)1128 void verifyTexture3D (tcu::TestContext&						testContext,
1129 					  glu::RenderContext&					renderContext,
1130 					  TextureRenderer&						textureRenderer,
1131 					  tcu::ResultCollector&					results,
1132 					  de::Random&							rng,
1133 					  deUint32								name,
1134 					  const vector<ArrayBuffer<deUint8> >&	data,
1135 					  const ImageInfo&						info)
1136 {
1137 	if (glu::isCompressedFormat(info.getFormat()))
1138 	{
1139 		vector<de::ArrayBuffer<deUint8> >	levelDatas;
1140 		vector<tcu::PixelBufferAccess>		levelAccesses;
1141 
1142 		decompressTexture(levelDatas, levelAccesses, renderContext, info, data);
1143 
1144 		{
1145 			const tcu::Texture3DView refTexture((int)levelAccesses.size(), &(levelAccesses[0]));
1146 
1147 			verifyTexture3DView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture);
1148 		}
1149 	}
1150 	else
1151 	{
1152 		const vector<tcu::ConstPixelBufferAccess>	levelAccesses	= getLevelAccesses(data, info);
1153 		const tcu::Texture3DView					refTexture		((int)levelAccesses.size(), &(levelAccesses[0]));
1154 
1155 		verifyTexture3DView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture);
1156 	}
1157 }
1158 
verifyTextureCubemapView(tcu::TestContext & testContext,glu::RenderContext & renderContext,TextureRenderer & renderer,tcu::ResultCollector & results,de::Random & rng,deUint32 name,const ImageInfo & info,const tcu::TextureCubeView & refTexture)1159 void verifyTextureCubemapView (tcu::TestContext&			testContext,
1160 							   glu::RenderContext&			renderContext,
1161 							   TextureRenderer&				renderer,
1162 							   tcu::ResultCollector&		results,
1163 							   de::Random&					rng,
1164 							   deUint32						name,
1165 							   const ImageInfo&				info,
1166 							   const tcu::TextureCubeView&	refTexture)
1167 {
1168 	tcu::TestLog&					log				= testContext.getLog();
1169 	const glw::Functions&			gl				= renderContext.getFunctions();
1170 	const tcu::RGBA					threshold		= renderContext.getRenderTarget().getPixelFormat().getColorThreshold() + tcu::RGBA(1,1,1,1);
1171 	const tcu::TextureFormat		format			= refTexture.getLevelFace(0, tcu::CUBEFACE_POSITIVE_X).getFormat();
1172 	const tcu::TextureFormatInfo	spec			= tcu::getTextureFormatInfo(format);
1173 
1174 	ReferenceParams					renderParams	(TEXTURETYPE_CUBE);
1175 
1176 	renderParams.samplerType	= getSamplerType(format);
1177 	renderParams.sampler		= Sampler(Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::NEAREST_MIPMAP_NEAREST, Sampler::NEAREST);
1178 	renderParams.colorScale		= spec.lookupScale;
1179 	renderParams.colorBias		= spec.lookupBias;
1180 
1181 	gl.activeTexture(GL_TEXTURE0);
1182 	gl.bindTexture(GL_TEXTURE_CUBE_MAP, name);
1183 	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to bind texture.");
1184 
1185 	gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
1186 	gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
1187 	gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
1188 	gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
1189 	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to setup texture filtering state.");
1190 
1191 	for (int level = 0; level < getLevelCount(info); level++)
1192 	{
1193 		const IVec3 levelSize = getLevelSize(info.getTarget(), info.getSize(), level);
1194 
1195 		// \note It seems we can't reliably sample two smallest texture levels with cubemaps
1196 		if (levelSize.x() < 4 && levelSize.y() < 4)
1197 			continue;
1198 
1199 		renderParams.baseLevel	= level;
1200 		renderParams.maxLevel	= level;
1201 
1202 		gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_BASE_LEVEL, level);
1203 		gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAX_LEVEL, level);
1204 
1205 		for (int face = 0; face < 6; face++)
1206 		{
1207 			const RandomViewport	viewport		(renderContext.getRenderTarget(), levelSize.x(), levelSize.y(), rng.getUint32());
1208 			const string			cubemapFaceName	= glu::getCubeMapFaceStr(mapFaceNdxToFace(face)).toString();
1209 			tcu::Surface			renderedFrame	(viewport.width, viewport.height);
1210 			tcu::Surface			referenceFrame	(viewport.width, viewport.height);
1211 			vector<float>			texCoord;
1212 
1213 			computeQuadTexCoordCube(texCoord, glu::getCubeFaceFromGL(mapFaceNdxToFace(face)));
1214 
1215 			// Setup base viewport.
1216 			gl.viewport(viewport.x, viewport.y, viewport.width, viewport.height);
1217 
1218 			// Draw.
1219 			renderer.renderQuad(0, &texCoord[0], renderParams);
1220 			glu::readPixels(renderContext, viewport.x, viewport.y, renderedFrame.getAccess());
1221 			GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to render and read pixels.");
1222 
1223 			// Compute reference.
1224 			sampleTexture(SurfaceAccess(referenceFrame, renderContext.getRenderTarget().getPixelFormat()), refTexture, &texCoord[0], renderParams);
1225 
1226 			// Compare and log.
1227 			if (!pixelThresholdCompare(log, ("Level" + de::toString(level) + "Face" + cubemapFaceName).c_str(), ("Render level " + de::toString(level) + ", Face " + cubemapFaceName).c_str(), referenceFrame, renderedFrame, threshold, tcu::COMPARE_LOG_ON_ERROR))
1228 				results.fail("Image comparison of level " + de::toString(level) + " and face " + cubemapFaceName + " failed.");
1229 			else
1230 				log << TestLog::Message << "Image comparison of level " << level << " and face " << cubemapFaceName << " passed." << TestLog::EndMessage;
1231 		}
1232 	}
1233 
1234 	gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_BASE_LEVEL, 0);
1235 	gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAX_LEVEL, 1000);
1236 
1237 	gl.bindTexture(GL_TEXTURE_CUBE_MAP, 0);
1238 	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind texture.");
1239 }
1240 
verifyTextureCubemap(tcu::TestContext & testContext,glu::RenderContext & renderContext,TextureRenderer & textureRenderer,tcu::ResultCollector & results,de::Random & rng,deUint32 name,const vector<ArrayBuffer<deUint8>> & data,const ImageInfo & info)1241 void verifyTextureCubemap (tcu::TestContext&					testContext,
1242 						   glu::RenderContext&					renderContext,
1243 						   TextureRenderer&						textureRenderer,
1244 						   tcu::ResultCollector&				results,
1245 						   de::Random&							rng,
1246 						   deUint32								name,
1247 						   const vector<ArrayBuffer<deUint8> >&	data,
1248 						   const ImageInfo&						info)
1249 {
1250 	if (glu::isCompressedFormat(info.getFormat()))
1251 	{
1252 		const tcu::CompressedTexFormat&	compressedFormat	= glu::mapGLCompressedTexFormat(info.getFormat());
1253 		const tcu::TextureFormat&		decompressedFormat	= tcu::getUncompressedFormat(compressedFormat);
1254 
1255 		const int						texelBlockSize		= getTexelBlockSize(info.getFormat());
1256 		const IVec3						texelBlockPixelSize = getTexelBlockPixelSize(info.getFormat());
1257 
1258 		const bool						isES32				= glu::contextSupports(renderContext.getType(), glu::ApiType::es(3, 2));
1259 
1260 		vector<tcu::PixelBufferAccess>	levelAccesses[6];
1261 		vector<ArrayBuffer<deUint8> >	levelDatas[6];
1262 		de::UniquePtr<glu::ContextInfo>	ctxInfo				(glu::ContextInfo::create(renderContext));
1263 		tcu::TexDecompressionParams		decompressParams;
1264 
1265 		if (tcu::isAstcFormat(compressedFormat))
1266 		{
1267 			if (ctxInfo->isExtensionSupported("GL_KHR_texture_compression_astc_hdr"))
1268 				decompressParams = tcu::TexDecompressionParams(tcu::TexDecompressionParams::ASTCMODE_HDR);
1269 			else if (isES32 || ctxInfo->isExtensionSupported("GL_KHR_texture_compression_astc_ldr"))
1270 				decompressParams = tcu::TexDecompressionParams(tcu::TexDecompressionParams::ASTCMODE_LDR);
1271 			else
1272 				DE_ASSERT(false);
1273 		}
1274 
1275 		for (int faceNdx = 0; faceNdx < 6; faceNdx++)
1276 		{
1277 			levelAccesses[faceNdx].resize(getLevelCount(info));
1278 			levelDatas[faceNdx].resize(getLevelCount(info));
1279 		}
1280 
1281 		for (int level = 0; level < getLevelCount(info); level++)
1282 		{
1283 			for (int faceNdx = 0; faceNdx < 6; faceNdx++)
1284 			{
1285 				const IVec3				levelPixelSize			= getLevelSize(info.getTarget(), info.getSize(), level);
1286 				const IVec3				levelTexelBlockSize		= divRoundUp(levelPixelSize, texelBlockPixelSize);
1287 				const int				levelTexelBlockCount	= levelTexelBlockSize.x() * levelTexelBlockSize.y() * levelTexelBlockSize.z();
1288 				const int				levelSize 				= levelTexelBlockCount * texelBlockSize;
1289 
1290 				const deUint8*			dataPtr					= data[level].getElementPtr(faceNdx * levelSize);
1291 				tcu::PixelBufferAccess& levelAccess				= levelAccesses[faceNdx][level];
1292 				ArrayBuffer<deUint8>&	levelData				= levelDatas[faceNdx][level];
1293 
1294 				decompressTextureLevel(decompressParams, levelData, levelAccess, compressedFormat, decompressedFormat, levelPixelSize, dataPtr);
1295 			}
1296 		}
1297 
1298 		const tcu::ConstPixelBufferAccess* levels[6];
1299 
1300 		for (int faceNdx = 0; faceNdx < 6; faceNdx++)
1301 			levels[glu::getCubeFaceFromGL(mapFaceNdxToFace(faceNdx))] = &(levelAccesses[faceNdx][0]);
1302 
1303 		{
1304 			const tcu::TextureCubeView refTexture(getLevelCount(info), levels);
1305 
1306 			verifyTextureCubemapView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture);
1307 		}
1308 	}
1309 	else
1310 	{
1311 		const vector<tcu::ConstPixelBufferAccess> levelAccesses[6] =
1312 		{
1313 			getCubeLevelAccesses(data, info, 0),
1314 			getCubeLevelAccesses(data, info, 1),
1315 			getCubeLevelAccesses(data, info, 2),
1316 			getCubeLevelAccesses(data, info, 3),
1317 			getCubeLevelAccesses(data, info, 4),
1318 			getCubeLevelAccesses(data, info, 5),
1319 		};
1320 
1321 		const tcu::ConstPixelBufferAccess* levels[6];
1322 
1323 		for (int faceNdx = 0; faceNdx < 6; faceNdx++)
1324 			levels[glu::getCubeFaceFromGL(mapFaceNdxToFace(faceNdx))] = &(levelAccesses[faceNdx][0]);
1325 
1326 		{
1327 			const tcu::TextureCubeView refTexture(getLevelCount(info), levels);
1328 
1329 			verifyTextureCubemapView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture);
1330 		}
1331 	}
1332 }
1333 
verifyTexture2DArrayView(tcu::TestContext & testContext,glu::RenderContext & renderContext,TextureRenderer & renderer,tcu::ResultCollector & results,de::Random & rng,deUint32 name,const ImageInfo & info,const tcu::Texture2DArrayView & refTexture)1334 void verifyTexture2DArrayView (tcu::TestContext&				testContext,
1335 							   glu::RenderContext&				renderContext,
1336 							   TextureRenderer&					renderer,
1337 							   tcu::ResultCollector&			results,
1338 							   de::Random&						rng,
1339 							   deUint32							name,
1340 							   const ImageInfo&					info,
1341 							   const tcu::Texture2DArrayView&	refTexture)
1342 {
1343 	tcu::TestLog&					log				= testContext.getLog();
1344 	const glw::Functions&			gl				= renderContext.getFunctions();
1345 	const tcu::RGBA					threshold		= renderContext.getRenderTarget().getPixelFormat().getColorThreshold() + tcu::RGBA(1,1,1,1);
1346 	const tcu::TextureFormat		format			= refTexture.getLevel(0).getFormat();
1347 	const tcu::TextureFormatInfo	spec			= tcu::getTextureFormatInfo(format);
1348 
1349 	ReferenceParams					renderParams	(TEXTURETYPE_2D_ARRAY);
1350 
1351 	renderParams.samplerType	= getSamplerType(format);
1352 	renderParams.sampler		= Sampler(Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::NEAREST_MIPMAP_NEAREST, Sampler::NEAREST);
1353 	renderParams.colorScale		= spec.lookupScale;
1354 	renderParams.colorBias		= spec.lookupBias;
1355 
1356 	gl.activeTexture(GL_TEXTURE0);
1357 	gl.bindTexture(GL_TEXTURE_2D_ARRAY, name);
1358 	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to bind texture.");
1359 
1360 	gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
1361 	gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
1362 	gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
1363 	gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
1364 	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to setup texture filtering state.");
1365 
1366 	for (int level = 0; level < getLevelCount(info); level++)
1367 	{
1368 		const IVec3 levelSize = getLevelSize(info.getTarget(), info.getSize(), level);
1369 
1370 		renderParams.baseLevel	= level;
1371 		renderParams.maxLevel	= level;
1372 
1373 		gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_BASE_LEVEL, level);
1374 		gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAX_LEVEL, level);
1375 
1376 		for (int layer = 0; layer < levelSize.z(); layer++)
1377 		{
1378 			const RandomViewport	viewport		(renderContext.getRenderTarget(), levelSize.x(), levelSize.y(), rng.getUint32());
1379 			tcu::Surface			renderedFrame	(viewport.width, viewport.height);
1380 			tcu::Surface			referenceFrame	(viewport.width, viewport.height);
1381 			vector<float>			texCoord;
1382 
1383 			computeQuadTexCoord2DArray(texCoord, layer, tcu::Vec2(0.0f, 0.0f), tcu::Vec2(1.0f, 1.0f));
1384 
1385 			// Setup base viewport.
1386 			gl.viewport(viewport.x, viewport.y, viewport.width, viewport.height);
1387 
1388 			// Draw.
1389 			renderer.renderQuad(0, &texCoord[0], renderParams);
1390 			glu::readPixels(renderContext, viewport.x, viewport.y, renderedFrame.getAccess());
1391 			GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to render and read pixels.");
1392 
1393 			// Compute reference.
1394 			sampleTexture(SurfaceAccess(referenceFrame, renderContext.getRenderTarget().getPixelFormat()), refTexture, &texCoord[0], renderParams);
1395 
1396 			// Compare and log.
1397 			if (!pixelThresholdCompare(log, ("Level" + de::toString(level) + "Layer" + de::toString(layer)).c_str(), ("Render level " + de::toString(level) + ", Layer" + de::toString(layer)).c_str(), referenceFrame, renderedFrame, threshold, tcu::COMPARE_LOG_ON_ERROR))
1398 				results.fail("Image comparison of level " + de::toString(level) + " and layer " + de::toString(layer) + " failed.");
1399 			else
1400 				log << TestLog::Message << "Image comparison of level " << level << " and layer " << layer << " passed." << TestLog::EndMessage;
1401 		}
1402 	}
1403 
1404 	gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_BASE_LEVEL, 0);
1405 	gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAX_LEVEL, 1000);
1406 
1407 	gl.bindTexture(GL_TEXTURE_2D_ARRAY, 0);
1408 	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind texture.");
1409 }
1410 
verifyTexture2DArray(tcu::TestContext & testContext,glu::RenderContext & renderContext,TextureRenderer & textureRenderer,tcu::ResultCollector & results,de::Random & rng,deUint32 name,const vector<ArrayBuffer<deUint8>> & data,const ImageInfo & info)1411 void verifyTexture2DArray (tcu::TestContext&					testContext,
1412 						   glu::RenderContext&					renderContext,
1413 						   TextureRenderer&						textureRenderer,
1414 						   tcu::ResultCollector&				results,
1415 						   de::Random&							rng,
1416 						   deUint32								name,
1417 						   const vector<ArrayBuffer<deUint8> >&	data,
1418 						   const ImageInfo&						info)
1419 {
1420 	if (glu::isCompressedFormat(info.getFormat()))
1421 	{
1422 		vector<de::ArrayBuffer<deUint8> >	levelDatas;
1423 		vector<tcu::PixelBufferAccess>		levelAccesses;
1424 
1425 		decompressTexture(levelDatas, levelAccesses, renderContext, info, data);
1426 
1427 		{
1428 			const tcu::Texture2DArrayView refTexture((int)levelAccesses.size(), &(levelAccesses[0]));
1429 
1430 			verifyTexture2DArrayView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture);
1431 		}
1432 	}
1433 	else
1434 	{
1435 		const vector<tcu::ConstPixelBufferAccess>	levelAccesses	= getLevelAccesses(data, info);
1436 		const tcu::Texture2DArrayView				refTexture		((int)levelAccesses.size(), &(levelAccesses[0]));
1437 
1438 		verifyTexture2DArrayView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture);
1439 	}
1440 }
1441 
getReadPixelFormat(const tcu::TextureFormat & format)1442 tcu::TextureFormat getReadPixelFormat (const tcu::TextureFormat& format)
1443 {
1444 	switch (tcu::getTextureChannelClass(format.type))
1445 	{
1446 		case tcu::TEXTURECHANNELCLASS_FLOATING_POINT:
1447 		case tcu::TEXTURECHANNELCLASS_SIGNED_FIXED_POINT:
1448 		case tcu::TEXTURECHANNELCLASS_UNSIGNED_FIXED_POINT:
1449 			return tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNORM_INT8);
1450 
1451 		case tcu::TEXTURECHANNELCLASS_SIGNED_INTEGER:
1452 			return tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::SIGNED_INT32);
1453 
1454 		case tcu::TEXTURECHANNELCLASS_UNSIGNED_INTEGER:
1455 			return tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNSIGNED_INT32);
1456 
1457 		default:
1458 			DE_ASSERT(false);
1459 			return tcu::TextureFormat();
1460 	}
1461 }
1462 
calculateThreshold(const tcu::TextureFormat & sourceFormat,const tcu::TextureFormat & readPixelsFormat)1463 Vec4 calculateThreshold (const tcu::TextureFormat& sourceFormat, const tcu::TextureFormat& readPixelsFormat)
1464 {
1465 	DE_ASSERT(tcu::getTextureChannelClass(sourceFormat.type) != tcu::TEXTURECHANNELCLASS_FLOATING_POINT);
1466 	DE_ASSERT(tcu::getTextureChannelClass(readPixelsFormat.type) != tcu::TEXTURECHANNELCLASS_FLOATING_POINT);
1467 
1468 	DE_ASSERT(tcu::getTextureChannelClass(sourceFormat.type) != tcu::TEXTURECHANNELCLASS_SIGNED_INTEGER);
1469 	DE_ASSERT(tcu::getTextureChannelClass(readPixelsFormat.type) != tcu::TEXTURECHANNELCLASS_SIGNED_INTEGER);
1470 
1471 	DE_ASSERT(tcu::getTextureChannelClass(sourceFormat.type) != tcu::TEXTURECHANNELCLASS_UNSIGNED_INTEGER);
1472 	DE_ASSERT(tcu::getTextureChannelClass(readPixelsFormat.type) != tcu::TEXTURECHANNELCLASS_UNSIGNED_INTEGER);
1473 
1474 	{
1475 		const tcu::IVec4	srcBits		= tcu::getTextureFormatBitDepth(sourceFormat);
1476 		const tcu::IVec4	readBits	= tcu::getTextureFormatBitDepth(readPixelsFormat);
1477 
1478 		return Vec4(1.0f) / ((tcu::IVec4(1) << (tcu::min(srcBits, readBits))) - tcu::IVec4(1)).cast<float>();
1479 	}
1480 }
1481 
verifyRenderbuffer(tcu::TestContext & testContext,glu::RenderContext & renderContext,tcu::ResultCollector & results,deUint32 name,const vector<ArrayBuffer<deUint8>> & data,const ImageInfo & info)1482 void verifyRenderbuffer (tcu::TestContext&						testContext,
1483 						 glu::RenderContext&					renderContext,
1484 						 tcu::ResultCollector&					results,
1485 						 deUint32								name,
1486 						 const vector<ArrayBuffer<deUint8> >&	data,
1487 						 const ImageInfo&						info)
1488 {
1489 	const glw::Functions&				gl					= renderContext.getFunctions();
1490 	TestLog&							log					= testContext.getLog();
1491 
1492 	const tcu::TextureFormat			format				= glu::mapGLInternalFormat(info.getFormat());
1493 	const IVec3							size				= info.getSize();
1494 	const tcu::ConstPixelBufferAccess	refRenderbuffer		(format, size.x(), size.y(), 1, data[0].getPtr());
1495 	const tcu::TextureFormat			readPixelsFormat	= getReadPixelFormat(format);
1496 	tcu::TextureLevel					renderbuffer		(readPixelsFormat, size.x(), size.y());
1497 
1498 	DE_ASSERT(size.z() == 1);
1499 	DE_ASSERT(data.size() == 1);
1500 
1501 	{
1502 		glu::Framebuffer framebuffer(gl);
1503 
1504 		gl.bindFramebuffer(GL_FRAMEBUFFER, *framebuffer);
1505 		GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to create and bind framebuffer.");
1506 
1507 		gl.bindRenderbuffer(GL_RENDERBUFFER, name);
1508 		gl.framebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, name);
1509 		GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to bind and attach renderbuffer to framebuffer.");
1510 
1511 		glu::readPixels(renderContext, 0, 0, renderbuffer.getAccess());
1512 
1513 		gl.bindRenderbuffer(GL_RENDERBUFFER, 0);
1514 		gl.bindFramebuffer(GL_FRAMEBUFFER, 0);
1515 		GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind renderbuffer and framebuffer.");
1516 	}
1517 
1518 	if (isFloatFormat(info.getFormat()))
1519 	{
1520 		const tcu::UVec4 threshold (2, 2, 2, 2);
1521 
1522 		if (!(tcu::floatUlpThresholdCompare(log, "Image comparison", "Image comparison", refRenderbuffer, renderbuffer.getAccess(), threshold, tcu::COMPARE_LOG_ON_ERROR)))
1523 			results.fail("Image comparison failed.");
1524 		else
1525 			log << TestLog::Message << "Image comarison passed." << TestLog::EndMessage;
1526 	}
1527 	else if (isIntFormat(info.getFormat()) || isUintFormat(info.getFormat()))
1528 	{
1529 		const tcu::UVec4 threshold (1, 1, 1, 1);
1530 
1531 		if (!(tcu::intThresholdCompare(log, "Image comparison", "Image comparison", refRenderbuffer, renderbuffer.getAccess(), threshold, tcu::COMPARE_LOG_ON_ERROR)))
1532 			results.fail("Image comparison failed.");
1533 		else
1534 			log << TestLog::Message << "Image comarison passed." << TestLog::EndMessage;
1535 	}
1536 	else
1537 	{
1538 		const Vec4 threshold = calculateThreshold(format, readPixelsFormat);
1539 
1540 		if (!(tcu::floatThresholdCompare(log, "Image comparison", "Image comparison", refRenderbuffer, renderbuffer.getAccess(), threshold, tcu::COMPARE_LOG_ON_ERROR)))
1541 			results.fail("Image comparison failed.");
1542 		else
1543 			log << TestLog::Message << "Image comarison passed." << TestLog::EndMessage;
1544 	}
1545 }
1546 
verify(tcu::TestContext & testContext,glu::RenderContext & renderContext,TextureRenderer & textureRenderer,tcu::ResultCollector & results,de::Random & rng,deUint32 name,const vector<ArrayBuffer<deUint8>> & data,const ImageInfo & info)1547 void verify (tcu::TestContext&						testContext,
1548 			 glu::RenderContext&					renderContext,
1549 			 TextureRenderer&						textureRenderer,
1550 			 tcu::ResultCollector&					results,
1551 			 de::Random&							rng,
1552 			 deUint32								name,
1553 			 const vector<ArrayBuffer<deUint8> >&	data,
1554 			 const ImageInfo&						info)
1555 {
1556 	switch (info.getTarget())
1557 	{
1558 		case GL_TEXTURE_2D:
1559 			verifyTexture2D(testContext, renderContext, textureRenderer, results, rng, name, data, info);
1560 			break;
1561 
1562 		case GL_TEXTURE_3D:
1563 			verifyTexture3D(testContext, renderContext, textureRenderer, results, rng, name, data, info);
1564 			break;
1565 
1566 		case GL_TEXTURE_CUBE_MAP:
1567 			verifyTextureCubemap(testContext, renderContext, textureRenderer, results, rng, name, data, info);
1568 			break;
1569 
1570 		case GL_TEXTURE_2D_ARRAY:
1571 			verifyTexture2DArray(testContext, renderContext, textureRenderer, results, rng, name, data, info);
1572 			break;
1573 
1574 		case GL_RENDERBUFFER:
1575 			verifyRenderbuffer(testContext, renderContext, results, name, data, info);
1576 			break;
1577 
1578 		default:
1579 			DE_ASSERT(false);
1580 	}
1581 }
1582 
logTestImageInfo(TestLog & log,const ImageInfo & imageInfo)1583 void logTestImageInfo (TestLog&			log,
1584 					   const ImageInfo&	imageInfo)
1585 {
1586 	log << TestLog::Message << "Target: " << targetToName(imageInfo.getTarget()) << TestLog::EndMessage;
1587 	log << TestLog::Message << "Size: " << imageInfo.getSize() << TestLog::EndMessage;
1588 	log << TestLog::Message << "Levels: " << getLevelCount(imageInfo) << TestLog::EndMessage;
1589 	log << TestLog::Message << "Format: " << formatToName(imageInfo.getFormat()) << TestLog::EndMessage;
1590 }
1591 
logTestInfo(TestLog & log,const ImageInfo & srcImageInfo,const ImageInfo & dstImageInfo)1592 void logTestInfo (TestLog&			log,
1593 				  const ImageInfo&	srcImageInfo,
1594 				  const ImageInfo&	dstImageInfo)
1595 {
1596 	tcu::ScopedLogSection section(log, "TestCaseInfo", "Test case info");
1597 
1598 	log << TestLog::Message << "Testing copying from " << targetToName(srcImageInfo.getTarget()) << " to " << targetToName(dstImageInfo.getTarget()) << "." << TestLog::EndMessage;
1599 
1600 	{
1601 		tcu::ScopedLogSection srcSection(log, "Source image info.", "Source image info.");
1602 		logTestImageInfo(log, srcImageInfo);
1603 	}
1604 
1605 	{
1606 		tcu::ScopedLogSection dstSection(log, "Destination image info.", "Destination image info.");
1607 		logTestImageInfo(log, dstImageInfo);
1608 	}
1609 }
1610 
1611 class CopyImageTest : public TestCase
1612 {
1613 public:
1614 							CopyImageTest			(Context&			context,
1615 													 const ImageInfo&	srcImage,
1616 													 const ImageInfo&	dstImage,
1617 													 const char*		name,
1618 													 const char*		description);
1619 
1620 							~CopyImageTest			(void);
1621 
1622 	void					init					(void);
1623 	void					deinit					(void);
1624 
1625 	TestCase::IterateResult	iterate					(void);
1626 
1627 private:
1628 	void					logTestInfoIter			(void);
1629 	void					createImagesIter		(void);
1630 	void					destroyImagesIter		(void);
1631 	void					verifySourceIter		(void);
1632 	void					verifyDestinationIter	(void);
1633 	void					copyImageIter			(void);
1634 
1635 	struct State
1636 	{
Statedeqp::gles31::Functional::__anon6f17057b0111::CopyImageTest::State1637 		State (int					seed,
1638 			   tcu::TestLog&		log,
1639 			   glu::RenderContext&	renderContext)
1640 			: rng				(seed)
1641 			, results			(log)
1642 			, srcImage			(NULL)
1643 			, dstImage			(NULL)
1644 			, textureRenderer	(renderContext, log, glu::GLSL_VERSION_310_ES, glu::PRECISION_HIGHP)
1645 		{
1646 		}
1647 
~Statedeqp::gles31::Functional::__anon6f17057b0111::CopyImageTest::State1648 		~State (void)
1649 		{
1650 			delete srcImage;
1651 			delete dstImage;
1652 		}
1653 
1654 		de::Random						rng;
1655 		tcu::ResultCollector			results;
1656 		glu::ObjectWrapper*				srcImage;
1657 		glu::ObjectWrapper*				dstImage;
1658 		TextureRenderer					textureRenderer;
1659 
1660 		vector<ArrayBuffer<deUint8> >	srcImageLevels;
1661 		vector<ArrayBuffer<deUint8> >	dstImageLevels;
1662 	};
1663 
1664 	const ImageInfo	m_srcImageInfo;
1665 	const ImageInfo	m_dstImageInfo;
1666 
1667 	int				m_iteration;
1668 	State*			m_state;
1669 };
1670 
CopyImageTest(Context & context,const ImageInfo & srcImage,const ImageInfo & dstImage,const char * name,const char * description)1671 CopyImageTest::CopyImageTest (Context&			context,
1672 							  const ImageInfo&	srcImage,
1673 							  const ImageInfo&	dstImage,
1674 							  const char*		name,
1675 							  const char*		description)
1676 	: TestCase			(context, name, description)
1677 	, m_srcImageInfo	(srcImage)
1678 	, m_dstImageInfo	(dstImage)
1679 
1680 	, m_iteration		(0)
1681 	, m_state			(NULL)
1682 {
1683 }
1684 
~CopyImageTest(void)1685 CopyImageTest::~CopyImageTest (void)
1686 {
1687 	deinit();
1688 }
1689 
checkFormatSupport(glu::ContextInfo & info,deUint32 format,deUint32 target,glu::RenderContext & ctx)1690 void checkFormatSupport (glu::ContextInfo& info, deUint32 format, deUint32 target, glu::RenderContext& ctx)
1691 {
1692 	const bool isES32 = glu::contextSupports(ctx.getType(), glu::ApiType::es(3, 2));
1693 
1694 	if (glu::isCompressedFormat(format))
1695 	{
1696 		if (isAstcFormat(glu::mapGLCompressedTexFormat(format)))
1697 		{
1698 			DE_ASSERT(target != GL_RENDERBUFFER);
1699 			if (!info.isExtensionSupported("GL_KHR_texture_compression_astc_hdr") &&
1700 				!info.isExtensionSupported("GL_OES_texture_compression_astc"))
1701 			{
1702 				if (target == GL_TEXTURE_3D)
1703 					TCU_THROW(NotSupportedError, "TEXTURE_3D target requires HDR astc support.");
1704 				if (!isES32 && !info.isExtensionSupported("GL_KHR_texture_compression_astc_ldr"))
1705 					TCU_THROW(NotSupportedError, "Compressed astc texture not supported.");
1706 			}
1707 		}
1708 		else
1709 		{
1710 			if (!info.isCompressedTextureFormatSupported(format))
1711 				TCU_THROW(NotSupportedError, "Compressed texture not supported.");
1712 		}
1713 	}
1714 }
1715 
init(void)1716 void CopyImageTest::init (void)
1717 {
1718 	de::UniquePtr<glu::ContextInfo> ctxInfo(glu::ContextInfo::create(m_context.getRenderContext()));
1719 	const bool 						isES32 = glu::contextSupports(m_context.getRenderContext().getType(), glu::ApiType::es(3, 2));
1720 
1721 	if (!isES32 && !ctxInfo->isExtensionSupported("GL_EXT_copy_image"))
1722 		throw tcu::NotSupportedError("Extension GL_EXT_copy_image not supported.", "", __FILE__, __LINE__);
1723 
1724 	checkFormatSupport(*ctxInfo, m_srcImageInfo.getFormat(), m_srcImageInfo.getTarget(), m_context.getRenderContext());
1725 	checkFormatSupport(*ctxInfo, m_dstImageInfo.getFormat(), m_dstImageInfo.getTarget(), m_context.getRenderContext());
1726 
1727 	{
1728 		SeedBuilder builder;
1729 
1730 		builder << 903980
1731 				<< m_srcImageInfo
1732 				<< m_dstImageInfo;
1733 
1734 		m_state = new State(builder.get(), m_testCtx.getLog(), m_context.getRenderContext());
1735 	}
1736 }
1737 
deinit(void)1738 void CopyImageTest::deinit (void)
1739 {
1740 	delete m_state;
1741 	m_state = NULL;
1742 }
1743 
logTestInfoIter(void)1744 void CopyImageTest::logTestInfoIter (void)
1745 {
1746 	TestLog& log = m_testCtx.getLog();
1747 
1748 	logTestInfo(log, m_srcImageInfo, m_dstImageInfo);
1749 }
1750 
createImagesIter(void)1751 void CopyImageTest::createImagesIter (void)
1752 {
1753 	TestLog&				log						= m_testCtx.getLog();
1754 	glu::RenderContext&		renderContext			= m_context.getRenderContext();
1755 	const glw::Functions&	gl						= renderContext.getFunctions();
1756 	const deUint32			moreRestrictiveFormat	= getMoreRestrictiveFormat(m_srcImageInfo.getFormat(), m_dstImageInfo.getFormat());
1757 	de::Random&				rng						= m_state->rng;
1758 
1759 	DE_ASSERT(!m_state->srcImage);
1760 	DE_ASSERT(!m_state->dstImage);
1761 
1762 	m_state->srcImage = new glu::ObjectWrapper(gl, getObjectTraits(m_srcImageInfo));
1763 	m_state->dstImage = new glu::ObjectWrapper(gl, getObjectTraits(m_dstImageInfo));
1764 
1765 	{
1766 		glu::ObjectWrapper&				srcImage				= *m_state->srcImage;
1767 		glu::ObjectWrapper&				dstImage				= *m_state->dstImage;
1768 
1769 		vector<ArrayBuffer<deUint8> >&	srcImageLevels			= m_state->srcImageLevels;
1770 		vector<ArrayBuffer<deUint8> >&	dstImageLevels			= m_state->dstImageLevels;
1771 
1772 		log << TestLog::Message << "Creating source image." << TestLog::EndMessage;
1773 		genImage(gl, rng, *srcImage, srcImageLevels, m_srcImageInfo, moreRestrictiveFormat);
1774 
1775 		log << TestLog::Message << "Creating destination image." << TestLog::EndMessage;
1776 		genImage(gl, rng, *dstImage, dstImageLevels, m_dstImageInfo, moreRestrictiveFormat);
1777 	}
1778 }
1779 
destroyImagesIter(void)1780 void CopyImageTest::destroyImagesIter (void)
1781 {
1782 	TestLog& log = m_testCtx.getLog();
1783 
1784 	log << TestLog::Message << "Deleting source image. " << TestLog::EndMessage;
1785 
1786 	delete m_state->srcImage;
1787 	m_state->srcImage = NULL;
1788 	m_state->srcImageLevels.clear();
1789 
1790 	log << TestLog::Message << "Deleting destination image. " << TestLog::EndMessage;
1791 
1792 	delete m_state->dstImage;
1793 	m_state->dstImage = NULL;
1794 	m_state->dstImageLevels.clear();
1795 }
1796 
verifySourceIter(void)1797 void CopyImageTest::verifySourceIter (void)
1798 {
1799 	TestLog&						log					= m_testCtx.getLog();
1800 	const tcu::ScopedLogSection		sourceSection		(log, "Source image verify.", "Source image verify.");
1801 
1802 	de::Random&						rng					= m_state->rng;
1803 	tcu::ResultCollector&			results				= m_state->results;
1804 	glu::ObjectWrapper&				srcImage			= *m_state->srcImage;
1805 	vector<ArrayBuffer<deUint8> >&	srcImageLevels		= m_state->srcImageLevels;
1806 
1807 	log << TestLog::Message << "Verifying source image." << TestLog::EndMessage;
1808 
1809 	verify(m_testCtx, m_context.getRenderContext(), m_state->textureRenderer, results, rng, *srcImage, srcImageLevels, m_srcImageInfo);
1810 }
1811 
verifyDestinationIter(void)1812 void CopyImageTest::verifyDestinationIter (void)
1813 {
1814 	TestLog&						log					= m_testCtx.getLog();
1815 	const tcu::ScopedLogSection		destinationSection	(log, "Destination image verify.", "Destination image verify.");
1816 
1817 	de::Random&						rng					= m_state->rng;
1818 	tcu::ResultCollector&			results				= m_state->results;
1819 	glu::ObjectWrapper&				dstImage			= *m_state->dstImage;
1820 	vector<ArrayBuffer<deUint8> >&	dstImageLevels		= m_state->dstImageLevels;
1821 
1822 	log << TestLog::Message << "Verifying destination image." << TestLog::EndMessage;
1823 
1824 	verify(m_testCtx, m_context.getRenderContext(), m_state->textureRenderer, results, rng, *dstImage, dstImageLevels, m_dstImageInfo);
1825 }
1826 
1827 struct Copy
1828 {
Copydeqp::gles31::Functional::__anon6f17057b0111::Copy1829 	Copy (const IVec3&	srcPos_,
1830 		  int			srcLevel_,
1831 
1832 		  const IVec3&	dstPos_,
1833 		  int			dstLevel_,
1834 
1835 		  const IVec3&	size_,
1836 		  const IVec3&	dstSize_)
1837 		: srcPos	(srcPos_)
1838 		, srcLevel	(srcLevel_)
1839 
1840 		, dstPos	(dstPos_)
1841 		, dstLevel	(dstLevel_)
1842 
1843 		, size		(size_)
1844 		, dstSize	(dstSize_)
1845 	{
1846 	}
1847 
1848 	IVec3	srcPos;
1849 	int		srcLevel;
1850 	IVec3	dstPos;
1851 	int		dstLevel;
1852 	IVec3	size;
1853 	IVec3	dstSize;	//!< used only for logging
1854 };
1855 
getLastFullLevel(const ImageInfo & info)1856 int getLastFullLevel (const ImageInfo& info)
1857 {
1858 	const int	levelCount		= getLevelCount(info);
1859 	const IVec3	blockPixelSize	= getTexelBlockPixelSize(info.getFormat());
1860 
1861 	for (int level = 0; level < levelCount; level++)
1862 	{
1863 		const IVec3 levelSize = getLevelSize(info.getTarget(), info.getSize(), level);
1864 
1865 		if (levelSize.x() < blockPixelSize.x() || levelSize.y() < blockPixelSize.y() || levelSize.z() < blockPixelSize.z())
1866 			return level - 1;
1867 	}
1868 
1869 	return levelCount -1;
1870 }
1871 
generateCopies(vector<Copy> & copies,const ImageInfo & srcInfo,const ImageInfo & dstInfo)1872 void generateCopies (vector<Copy>& copies, const ImageInfo& srcInfo, const ImageInfo& dstInfo)
1873 {
1874 	const deUint32	srcTarget		= srcInfo.getTarget();
1875 	const deUint32	dstTarget		= dstInfo.getTarget();
1876 
1877 	const bool		srcIsTexture	= isTextureTarget(srcInfo.getTarget());
1878 	const bool		dstIsTexture	= isTextureTarget(dstInfo.getTarget());
1879 
1880 	const bool		srcIsCube		= srcTarget == GL_TEXTURE_CUBE_MAP;
1881 	const bool		dstIsCube		= dstTarget == GL_TEXTURE_CUBE_MAP;
1882 
1883 	const IVec3		srcBlockPixelSize		= getTexelBlockPixelSize(srcInfo.getFormat());
1884 	const IVec3		dstBlockPixelSize		= getTexelBlockPixelSize(dstInfo.getFormat());
1885 
1886 	const int levels[] =
1887 	{
1888 		0, 1, -1
1889 	};
1890 
1891 	for (int levelNdx = 0; levelNdx < (srcIsTexture || dstIsTexture ? DE_LENGTH_OF_ARRAY(levels) : 1); levelNdx++)
1892 	{
1893 		const int	srcLevel				= (srcIsTexture ? (levels[levelNdx] >= 0 ? levels[levelNdx] : getLastFullLevel(srcInfo)) : 0);
1894 		const int	dstLevel				= (dstIsTexture ? (levels[levelNdx] >= 0 ? levels[levelNdx] : getLastFullLevel(dstInfo)) : 0);
1895 
1896 		const IVec3	srcSize					= getLevelSize(srcInfo.getTarget(), srcInfo.getSize(), srcLevel);
1897 		const IVec3	dstSize					= getLevelSize(dstInfo.getTarget(), dstInfo.getSize(), dstLevel);
1898 
1899 		// \note These are rounded down
1900 		const IVec3	srcCompleteBlockSize	= IVec3(srcSize.x() / srcBlockPixelSize.x(), srcSize.y() / srcBlockPixelSize.y(), (srcIsCube ? 6 : srcSize.z() / srcBlockPixelSize.z()));
1901 		const IVec3	dstCompleteBlockSize	= IVec3(dstSize.x() / dstBlockPixelSize.x(), dstSize.y() / dstBlockPixelSize.y(), (dstIsCube ? 6 : dstSize.z() / dstBlockPixelSize.z()));
1902 
1903 		const IVec3	maxCopyBlockSize		= tcu::min(srcCompleteBlockSize, dstCompleteBlockSize);
1904 
1905 		// \note These are rounded down
1906 		const int	copyBlockWidth			= de::max((2 * (maxCopyBlockSize.x() / 4)) - 1, 1);
1907 		const int	copyBlockHeight			= de::max((2 * (maxCopyBlockSize.y() / 4)) - 1, 1);
1908 		const int	copyBlockDepth			= de::max((2 * (maxCopyBlockSize.z() / 4)) - 1, 1);
1909 
1910 		// Copy NPOT block to (0,0,0) from other corner on src
1911 		{
1912 			const IVec3	copyBlockSize	(copyBlockWidth, copyBlockHeight, copyBlockDepth);
1913 			const IVec3	srcBlockPos		(srcCompleteBlockSize - copyBlockSize);
1914 			const IVec3	dstBlockPos		(0, 0, 0);
1915 
1916 			const IVec3	srcPos			(srcBlockPos * srcBlockPixelSize);
1917 			const IVec3	dstPos			(dstBlockPos * dstBlockPixelSize);
1918 			const IVec3 srcCopySize		(copyBlockSize * srcBlockPixelSize);
1919 			const IVec3 dstCopySize		(copyBlockSize * dstBlockPixelSize);
1920 
1921 			copies.push_back(Copy(srcPos, srcLevel, dstPos, dstLevel, srcCopySize, dstCopySize));
1922 		}
1923 
1924 		// Copy NPOT block from (0,0,0) to other corner on dst
1925 		{
1926 			const IVec3	copyBlockSize	(copyBlockWidth, copyBlockHeight, copyBlockDepth);
1927 			const IVec3	srcBlockPos		(0, 0, 0);
1928 			const IVec3	dstBlockPos		(dstCompleteBlockSize - copyBlockSize);
1929 
1930 			const IVec3	srcPos			(srcBlockPos * srcBlockPixelSize);
1931 			const IVec3	dstPos			(dstBlockPos * dstBlockPixelSize);
1932 			const IVec3 srcCopySize		(copyBlockSize * srcBlockPixelSize);
1933 			const IVec3 dstCopySize		(copyBlockSize * dstBlockPixelSize);
1934 
1935 			copies.push_back(Copy(srcPos, srcLevel, dstPos, dstLevel, srcCopySize, dstCopySize));
1936 		}
1937 
1938 		// Copy NPOT block near the corner with high coordinates
1939 		{
1940 			const IVec3	copyBlockSize	(copyBlockWidth, copyBlockHeight, copyBlockDepth);
1941 			const IVec3	srcBlockPos		(tcu::max((srcCompleteBlockSize / 4) * 4 - copyBlockSize, IVec3(0)));
1942 			const IVec3	dstBlockPos		(tcu::max((dstCompleteBlockSize / 4) * 4 - copyBlockSize, IVec3(0)));
1943 
1944 			const IVec3	srcPos			(srcBlockPos * srcBlockPixelSize);
1945 			const IVec3	dstPos			(dstBlockPos * dstBlockPixelSize);
1946 			const IVec3 srcCopySize		(copyBlockSize * srcBlockPixelSize);
1947 			const IVec3 dstCopySize		(copyBlockSize * dstBlockPixelSize);
1948 
1949 			copies.push_back(Copy(srcPos, srcLevel, dstPos, dstLevel, srcCopySize, dstCopySize));
1950 		}
1951 	}
1952 }
1953 
copyImageIter(void)1954 void CopyImageTest::copyImageIter (void)
1955 {
1956 	TestLog&						log				= m_testCtx.getLog();
1957 	const glw::Functions&			gl				= m_context.getRenderContext().getFunctions();
1958 	glu::ObjectWrapper&				srcImage		= *m_state->srcImage;
1959 	glu::ObjectWrapper&				dstImage		= *m_state->dstImage;
1960 
1961 	vector<ArrayBuffer<deUint8> >&	srcImageLevels	= m_state->srcImageLevels;
1962 	vector<ArrayBuffer<deUint8> >&	dstImageLevels	= m_state->dstImageLevels;
1963 	vector<Copy>					copies;
1964 
1965 	generateCopies(copies, m_srcImageInfo, m_dstImageInfo);
1966 
1967 	for (int copyNdx = 0; copyNdx < (int)copies.size(); copyNdx++)
1968 	{
1969 		const Copy& copy = copies[copyNdx];
1970 
1971 		log	<< TestLog::Message
1972 			<< "Copying area with size " << copy.size
1973 			<< " from source image position " << copy.srcPos << " and mipmap level " << copy.srcLevel
1974 			<< " to destination image position " << copy.dstPos << " and mipmap level " << copy.dstLevel << ". "
1975 			<< "Size in destination format is " << copy.dstSize
1976 			<< TestLog::EndMessage;
1977 
1978 		copyImage(gl, *dstImage, dstImageLevels, m_dstImageInfo, copy.dstLevel, copy.dstPos,
1979 					  *srcImage, srcImageLevels, m_srcImageInfo, copy.srcLevel, copy.srcPos, copy.size);
1980 	}
1981 }
1982 
iterate(void)1983 TestCase::IterateResult CopyImageTest::iterate (void)
1984 {
1985 	void(CopyImageTest::*methods[])(void) =
1986 	{
1987 		&CopyImageTest::logTestInfoIter,
1988 
1989 		// Render both images and then copy and verify again.
1990 		&CopyImageTest::createImagesIter,
1991 		&CopyImageTest::verifySourceIter,
1992 		&CopyImageTest::verifyDestinationIter,
1993 		&CopyImageTest::copyImageIter,
1994 		&CopyImageTest::verifySourceIter,
1995 		&CopyImageTest::verifyDestinationIter,
1996 		&CopyImageTest::destroyImagesIter,
1997 
1998 		// Create images and immediately copies between thew and verify.
1999 		&CopyImageTest::createImagesIter,
2000 		&CopyImageTest::copyImageIter,
2001 		&CopyImageTest::verifySourceIter,
2002 		&CopyImageTest::verifyDestinationIter,
2003 		&CopyImageTest::destroyImagesIter
2004 	};
2005 
2006 	if (m_iteration < DE_LENGTH_OF_ARRAY(methods))
2007 	{
2008 		(this->*methods[m_iteration])();
2009 		m_iteration++;
2010 		return CONTINUE;
2011 	}
2012 	else
2013 	{
2014 		m_state->results.setTestContextResult(m_testCtx);
2015 		return STOP;
2016 	}
2017 }
2018 
2019 class CopyImageTests : public TestCaseGroup
2020 {
2021 public:
2022 						CopyImageTests			(Context& context);
2023 						~CopyImageTests			(void);
2024 
2025 	void				init					(void);
2026 
2027 private:
2028 						CopyImageTests			(const CopyImageTests& other);
2029 	CopyImageTests&		operator=				(const CopyImageTests& other);
2030 };
2031 
CopyImageTests(Context & context)2032 CopyImageTests::CopyImageTests (Context& context)
2033 	: TestCaseGroup	(context, "copy_image", "Copy image tests for GL_EXT_copy_image.")
2034 {
2035 }
2036 
~CopyImageTests(void)2037 CopyImageTests::~CopyImageTests (void)
2038 {
2039 }
2040 
smallestCommonMultiple(int a_,int b_)2041 int smallestCommonMultiple (int a_, int b_)
2042 {
2043 	int	a		= (a_ > b_ ? a_ : b_);
2044 	int	b		= (a_ > b_ ? b_ : a_);
2045 	int	result  = 1;
2046 
2047 	for (int i = b/2; i > 1; i--)
2048 	{
2049 		while ((a % i) == 0 && (b % i) == 0)
2050 		{
2051 			result *= i;
2052 			a /= i;
2053 			b /= i;
2054 		}
2055 	}
2056 
2057 	return result * a * b;
2058 }
2059 
getTestedSize(deUint32 target,deUint32 format,const IVec3 & targetSize)2060 IVec3 getTestedSize (deUint32 target, deUint32 format, const IVec3& targetSize)
2061 {
2062 	const IVec3 texelBlockPixelSize = getTexelBlockPixelSize(format);
2063 	const bool	isCube				= target == GL_TEXTURE_CUBE_MAP;
2064 	const bool	is3D				= target == GL_TEXTURE_3D || target == GL_TEXTURE_2D_ARRAY;
2065 
2066 	if (isCube)
2067 	{
2068 		const int	multiplier	= smallestCommonMultiple(texelBlockPixelSize.x(), texelBlockPixelSize.y());
2069 		const int	size		= (1 + (targetSize.x() / multiplier)) * multiplier;
2070 
2071 		return IVec3(size, size, 1);
2072 	}
2073 	else if (is3D)
2074 	{
2075 		return (1 + (targetSize / texelBlockPixelSize)) * texelBlockPixelSize;
2076 	}
2077 	else
2078 	{
2079 		const int width = (1 + targetSize.x() / texelBlockPixelSize.x()) * texelBlockPixelSize.x();
2080 		const int height = ((targetSize.y() / texelBlockPixelSize.y()) - 1) * texelBlockPixelSize.y();
2081 
2082 		return IVec3(width, height, 1);
2083 	}
2084 }
2085 
addCopyTests(TestCaseGroup * root,deUint32 srcFormat,deUint32 dstFormat)2086 void addCopyTests (TestCaseGroup* root, deUint32 srcFormat, deUint32 dstFormat)
2087 {
2088 	const string			groupName	= string(formatToName(srcFormat)) + "_" + formatToName(dstFormat);
2089 	TestCaseGroup* const	group		= new TestCaseGroup(root->getContext(), groupName.c_str(), groupName.c_str());
2090 
2091 	const deUint32 targets[] =
2092 	{
2093 		GL_TEXTURE_2D,
2094 		GL_TEXTURE_3D,
2095 		GL_TEXTURE_CUBE_MAP,
2096 		GL_TEXTURE_2D_ARRAY,
2097 		GL_RENDERBUFFER
2098 	};
2099 
2100 	root->addChild(group);
2101 
2102 	for (int srcTargetNdx = 0; srcTargetNdx < DE_LENGTH_OF_ARRAY(targets); srcTargetNdx++)
2103 	{
2104 		const deUint32	srcTarget				= targets[srcTargetNdx];
2105 		const bool		srcIs3D					= srcTarget == GL_TEXTURE_2D_ARRAY || srcTarget == GL_TEXTURE_3D;
2106 
2107 		if (glu::isCompressedFormat(srcFormat) && srcTarget == GL_RENDERBUFFER)
2108 			continue;
2109 
2110 		if (srcTarget == GL_RENDERBUFFER && !isColorRenderable(srcFormat))
2111 			continue;
2112 
2113 		if (glu::isCompressedFormat(srcFormat) && !tcu::isAstcFormat(glu::mapGLCompressedTexFormat(srcFormat)) && srcIs3D)
2114 			continue;
2115 
2116 		for (int dstTargetNdx = 0; dstTargetNdx < DE_LENGTH_OF_ARRAY(targets); dstTargetNdx++)
2117 		{
2118 			const deUint32	dstTarget				= targets[dstTargetNdx];
2119 			const bool		dstIs3D					= dstTarget == GL_TEXTURE_2D_ARRAY || dstTarget == GL_TEXTURE_3D;
2120 
2121 			if (glu::isCompressedFormat(dstFormat) && dstTarget == GL_RENDERBUFFER)
2122 				continue;
2123 
2124 			if (dstTarget == GL_RENDERBUFFER && !isColorRenderable(dstFormat))
2125 				continue;
2126 
2127 			if (glu::isCompressedFormat(dstFormat) && !tcu::isAstcFormat(glu::mapGLCompressedTexFormat(dstFormat)) && dstIs3D)
2128 				continue;
2129 
2130 			const string	targetTestName	= string(targetToName(srcTarget)) + "_to_" + targetToName(dstTarget);
2131 
2132 			const IVec3		targetSize2D	(128, 128, 1);
2133 			const IVec3		targetSize3D	(128, 128, 16);
2134 
2135 			const IVec3		srcSize			= getTestedSize(srcTarget, srcFormat, (srcIs3D ? targetSize3D : targetSize2D));
2136 			const IVec3		dstSize			= getTestedSize(dstTarget, dstFormat, (dstIs3D ? targetSize3D : targetSize2D));
2137 
2138 			group->addChild(new CopyImageTest(root->getContext(),
2139 											ImageInfo(srcFormat, srcTarget, srcSize),
2140 											ImageInfo(dstFormat, dstTarget, dstSize),
2141 											targetTestName.c_str(), targetTestName.c_str()));
2142 		}
2143 	}
2144 }
2145 
init(void)2146 void CopyImageTests::init (void)
2147 {
2148 	TestCaseGroup* const	nonCompressedGroup	= new TestCaseGroup(m_context, "non_compressed", "Test copying between textures.");
2149 	TestCaseGroup* const	compressedGroup		= new TestCaseGroup(m_context, "compressed", "Test copying between compressed textures.");
2150 	TestCaseGroup* const	mixedGroup			= new TestCaseGroup(m_context, "mixed", "Test copying between compressed and non-compressed textures.");
2151 
2152 	addChild(nonCompressedGroup);
2153 	addChild(compressedGroup);
2154 	addChild(mixedGroup);
2155 
2156 	map<ViewClass, vector<deUint32> >							textureFormatViewClasses;
2157 	map<ViewClass, vector<deUint32> >							compressedTextureFormatViewClasses;
2158 	map<ViewClass, pair<vector<deUint32>, vector<deUint32> > >	mixedViewClasses;
2159 
2160 	// Texture view classes
2161 	textureFormatViewClasses[VIEWCLASS_128_BITS]		= vector<deUint32>();
2162 	textureFormatViewClasses[VIEWCLASS_96_BITS]			= vector<deUint32>();
2163 	textureFormatViewClasses[VIEWCLASS_64_BITS]			= vector<deUint32>();
2164 	textureFormatViewClasses[VIEWCLASS_48_BITS]			= vector<deUint32>();
2165 	textureFormatViewClasses[VIEWCLASS_32_BITS]			= vector<deUint32>();
2166 	textureFormatViewClasses[VIEWCLASS_24_BITS]			= vector<deUint32>();
2167 	textureFormatViewClasses[VIEWCLASS_16_BITS]			= vector<deUint32>();
2168 	textureFormatViewClasses[VIEWCLASS_8_BITS]			= vector<deUint32>();
2169 
2170 	// 128bit / VIEWCLASS_128_BITS
2171 	textureFormatViewClasses[VIEWCLASS_128_BITS].push_back(GL_RGBA32F);
2172 	textureFormatViewClasses[VIEWCLASS_128_BITS].push_back(GL_RGBA32I);
2173 	textureFormatViewClasses[VIEWCLASS_128_BITS].push_back(GL_RGBA32UI);
2174 
2175 	// 96bit / VIEWCLASS_96_BITS
2176 	textureFormatViewClasses[VIEWCLASS_96_BITS].push_back(GL_RGB32F);
2177 	textureFormatViewClasses[VIEWCLASS_96_BITS].push_back(GL_RGB32I);
2178 	textureFormatViewClasses[VIEWCLASS_96_BITS].push_back(GL_RGB32UI);
2179 
2180 	// 64bit / VIEWCLASS_64_BITS
2181 	textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RG32F);
2182 	textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RG32I);
2183 	textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RG32UI);
2184 
2185 	textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RGBA16F);
2186 	textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RGBA16I);
2187 	textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RGBA16UI);
2188 
2189 	// 48bit / VIEWCLASS_48_BITS
2190 	textureFormatViewClasses[VIEWCLASS_48_BITS].push_back(GL_RGB16F);
2191 	textureFormatViewClasses[VIEWCLASS_48_BITS].push_back(GL_RGB16I);
2192 	textureFormatViewClasses[VIEWCLASS_48_BITS].push_back(GL_RGB16UI);
2193 
2194 	// 32bit / VIEWCLASS_32_BITS
2195 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_R32F);
2196 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_R32I);
2197 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_R32UI);
2198 
2199 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RG16F);
2200 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RG16I);
2201 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RG16UI);
2202 
2203 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGBA8);
2204 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGBA8I);
2205 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGBA8UI);
2206 
2207 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_R11F_G11F_B10F);
2208 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGB10_A2UI);
2209 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGB10_A2);
2210 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGBA8_SNORM);
2211 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_SRGB8_ALPHA8);
2212 	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGB9_E5);
2213 
2214 	// 24bit / VIEWCLASS_24_BITS
2215 	textureFormatViewClasses[VIEWCLASS_24_BITS].push_back(GL_RGB8);
2216 	textureFormatViewClasses[VIEWCLASS_24_BITS].push_back(GL_RGB8I);
2217 	textureFormatViewClasses[VIEWCLASS_24_BITS].push_back(GL_RGB8UI);
2218 	textureFormatViewClasses[VIEWCLASS_24_BITS].push_back(GL_RGB8_SNORM);
2219 	textureFormatViewClasses[VIEWCLASS_24_BITS].push_back(GL_SRGB8);
2220 
2221 	// 16bit / VIEWCLASS_16_BITS
2222 	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_R16F);
2223 	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_R16I);
2224 	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_R16UI);
2225 
2226 	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_RG8);
2227 	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_RG8I);
2228 	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_RG8UI);
2229 	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_RG8_SNORM);
2230 
2231 	// 8bit / VIEWCLASS_8_BITS
2232 	textureFormatViewClasses[VIEWCLASS_8_BITS].push_back(GL_R8);
2233 	textureFormatViewClasses[VIEWCLASS_8_BITS].push_back(GL_R8I);
2234 	textureFormatViewClasses[VIEWCLASS_8_BITS].push_back(GL_R8UI);
2235 	textureFormatViewClasses[VIEWCLASS_8_BITS].push_back(GL_R8_SNORM);
2236 
2237 	// Compressed texture view classes
2238 	compressedTextureFormatViewClasses[VIEWCLASS_EAC_R11]			= vector<deUint32>();
2239 	compressedTextureFormatViewClasses[VIEWCLASS_EAC_RG11]			= vector<deUint32>();
2240 	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGB]			= vector<deUint32>();
2241 	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGBA]			= vector<deUint32>();
2242 	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_EAC_RGBA]		= vector<deUint32>();
2243 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_4x4_RGBA]		= vector<deUint32>();
2244 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x4_RGBA]		= vector<deUint32>();
2245 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x5_RGBA]		= vector<deUint32>();
2246 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x5_RGBA]		= vector<deUint32>();
2247 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x6_RGBA]		= vector<deUint32>();
2248 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x5_RGBA]		= vector<deUint32>();
2249 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x6_RGBA]		= vector<deUint32>();
2250 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x8_RGBA]		= vector<deUint32>();
2251 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x5_RGBA]	= vector<deUint32>();
2252 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x6_RGBA]	= vector<deUint32>();
2253 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x8_RGBA]	= vector<deUint32>();
2254 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x10_RGBA]	= vector<deUint32>();
2255 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x10_RGBA]	= vector<deUint32>();
2256 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x12_RGBA]	= vector<deUint32>();
2257 
2258 	// VIEWCLASS_EAC_R11
2259 	compressedTextureFormatViewClasses[VIEWCLASS_EAC_R11].push_back(GL_COMPRESSED_R11_EAC);
2260 	compressedTextureFormatViewClasses[VIEWCLASS_EAC_R11].push_back(GL_COMPRESSED_SIGNED_R11_EAC);
2261 
2262 	// VIEWCLASS_EAC_RG11
2263 	compressedTextureFormatViewClasses[VIEWCLASS_EAC_RG11].push_back(GL_COMPRESSED_RG11_EAC);
2264 	compressedTextureFormatViewClasses[VIEWCLASS_EAC_RG11].push_back(GL_COMPRESSED_SIGNED_RG11_EAC);
2265 
2266 	// VIEWCLASS_ETC2_RGB
2267 	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGB].push_back(GL_COMPRESSED_RGB8_ETC2);
2268 	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGB].push_back(GL_COMPRESSED_SRGB8_ETC2);
2269 
2270 	// VIEWCLASS_ETC2_RGBA
2271 	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGBA].push_back(GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2);
2272 	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGBA].push_back(GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2);
2273 
2274 	// VIEWCLASS_ETC2_EAC_RGBA
2275 	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_EAC_RGBA].push_back(GL_COMPRESSED_RGBA8_ETC2_EAC);
2276 	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_EAC_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC);
2277 
2278 	// VIEWCLASS_ASTC_4x4_RGBA
2279 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_4x4_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_4x4);
2280 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_4x4_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4);
2281 
2282 	// VIEWCLASS_ASTC_5x4_RGBA
2283 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x4_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_5x4);
2284 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x4_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4);
2285 
2286 	// VIEWCLASS_ASTC_5x5_RGBA
2287 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x5_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_5x5);
2288 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x5_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5);
2289 
2290 	// VIEWCLASS_ASTC_6x5_RGBA
2291 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x5_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_6x5);
2292 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x5_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5);
2293 
2294 	// VIEWCLASS_ASTC_6x6_RGBA
2295 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x6_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_6x6);
2296 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x6_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6);
2297 
2298 	// VIEWCLASS_ASTC_8x5_RGBA
2299 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x5_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_8x5);
2300 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x5_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5);
2301 
2302 	// VIEWCLASS_ASTC_8x6_RGBA
2303 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x6_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_8x6);
2304 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x6_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6);
2305 
2306 	// VIEWCLASS_ASTC_8x8_RGBA
2307 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x8_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_8x8);
2308 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x8_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8);
2309 
2310 	// VIEWCLASS_ASTC_10x5_RGBA
2311 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x5_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_10x5);
2312 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x5_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5);
2313 
2314 	// VIEWCLASS_ASTC_10x6_RGBA
2315 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x6_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_10x6);
2316 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x6_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6);
2317 
2318 	// VIEWCLASS_ASTC_10x8_RGBA
2319 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x8_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_10x8);
2320 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x8_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8);
2321 
2322 	// VIEWCLASS_ASTC_10x10_RGBA
2323 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x10_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_10x10);
2324 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x10_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10);
2325 
2326 	// VIEWCLASS_ASTC_12x10_RGBA
2327 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x10_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_12x10);
2328 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x10_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10);
2329 
2330 	// VIEWCLASS_ASTC_12x12_RGBA
2331 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x12_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_12x12);
2332 	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x12_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12);
2333 
2334 	// Mixed view classes
2335 	mixedViewClasses[VIEWCLASS_128_BITS] = pair<vector<deUint32>, vector<deUint32> >();
2336 	mixedViewClasses[VIEWCLASS_64_BITS] = pair<vector<deUint32>, vector<deUint32> >();
2337 
2338 	// 128 bits
2339 
2340 	// Non compressed
2341 	mixedViewClasses[VIEWCLASS_128_BITS].first.push_back(GL_RGBA32F);
2342 	mixedViewClasses[VIEWCLASS_128_BITS].first.push_back(GL_RGBA32UI);
2343 	mixedViewClasses[VIEWCLASS_128_BITS].first.push_back(GL_RGBA32I);
2344 
2345 	// Compressed
2346 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA8_ETC2_EAC);
2347 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC);
2348 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RG11_EAC);
2349 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SIGNED_RG11_EAC);
2350 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_4x4);
2351 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_5x4);
2352 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_5x5);
2353 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_6x5);
2354 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_6x6);
2355 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_8x5);
2356 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_8x6);
2357 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_8x8);
2358 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_10x5);
2359 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_10x6);
2360 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_10x8);
2361 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_10x10);
2362 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_12x10);
2363 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_12x12);
2364 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4);
2365 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4);
2366 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5);
2367 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5);
2368 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6);
2369 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5);
2370 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6);
2371 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8);
2372 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5);
2373 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6);
2374 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8);
2375 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10);
2376 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10);
2377 	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12);
2378 
2379 	// 64 bits
2380 
2381 	// Non compressed
2382 	mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RGBA16F);
2383 	mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RGBA16UI);
2384 	mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RGBA16I);
2385 
2386 	mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RG32F);
2387 	mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RG32UI);
2388 	mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RG32I);
2389 
2390 	// Compressed
2391 	mixedViewClasses[VIEWCLASS_64_BITS].second.push_back(GL_COMPRESSED_R11_EAC);
2392 	mixedViewClasses[VIEWCLASS_64_BITS].second.push_back(GL_COMPRESSED_SIGNED_R11_EAC);
2393 
2394 	for (map<ViewClass, vector<deUint32> >::const_iterator viewClassIter = textureFormatViewClasses.begin(); viewClassIter != textureFormatViewClasses.end(); ++viewClassIter)
2395 	{
2396 		const vector<deUint32>&	formats		= viewClassIter->second;
2397 		const ViewClass			viewClass	= viewClassIter->first;
2398 		TestCaseGroup* const	viewGroup	= new TestCaseGroup(m_context, viewClassToName(viewClass), viewClassToName(viewClass));
2399 
2400 		nonCompressedGroup->addChild(viewGroup);
2401 
2402 		for (int srcFormatNdx = 0; srcFormatNdx < (int)formats.size(); srcFormatNdx++)
2403 		for (int dstFormatNdx = 0; dstFormatNdx < (int)formats.size(); dstFormatNdx++)
2404 		{
2405 			const deUint32 srcFormat = formats[srcFormatNdx];
2406 			const deUint32 dstFormat = formats[dstFormatNdx];
2407 
2408 			if (srcFormat != dstFormat && isFloatFormat(srcFormat) && isFloatFormat(dstFormat))
2409 				continue;
2410 
2411 			addCopyTests(viewGroup, srcFormat, dstFormat);
2412 		}
2413 	}
2414 
2415 	for (map<ViewClass, vector<deUint32> >::const_iterator viewClassIter = compressedTextureFormatViewClasses.begin(); viewClassIter != compressedTextureFormatViewClasses.end(); ++viewClassIter)
2416 	{
2417 		const vector<deUint32>&	formats		= viewClassIter->second;
2418 		const ViewClass			viewClass	= viewClassIter->first;
2419 		TestCaseGroup* const	viewGroup	= new TestCaseGroup(m_context, viewClassToName(viewClass), viewClassToName(viewClass));
2420 
2421 		compressedGroup->addChild(viewGroup);
2422 
2423 		for (int srcFormatNdx = 0; srcFormatNdx < (int)formats.size(); srcFormatNdx++)
2424 		for (int dstFormatNdx = 0; dstFormatNdx < (int)formats.size(); dstFormatNdx++)
2425 		{
2426 			const deUint32 srcFormat = formats[srcFormatNdx];
2427 			const deUint32 dstFormat = formats[dstFormatNdx];
2428 
2429 			if (srcFormat != dstFormat && isFloatFormat(srcFormat) && isFloatFormat(dstFormat))
2430 				continue;
2431 
2432 			addCopyTests(viewGroup, srcFormat, dstFormat);
2433 		}
2434 	}
2435 
2436 	for (map<ViewClass, pair<vector<deUint32>, vector<deUint32> > >::const_iterator iter = mixedViewClasses.begin(); iter != mixedViewClasses.end(); ++iter)
2437 	{
2438 		const ViewClass			viewClass				= iter->first;
2439 		const string			viewClassName			= string(viewClassToName(viewClass)) + "_mixed";
2440 		TestCaseGroup* const	viewGroup				= new TestCaseGroup(m_context, viewClassName.c_str(), viewClassName.c_str());
2441 
2442 		const vector<deUint32>	nonCompressedFormats	= iter->second.first;
2443 		const vector<deUint32>	compressedFormats		= iter->second.second;
2444 
2445 		mixedGroup->addChild(viewGroup);
2446 
2447 		for (int srcFormatNdx = 0; srcFormatNdx < (int)nonCompressedFormats.size(); srcFormatNdx++)
2448 		for (int dstFormatNdx = 0; dstFormatNdx < (int)compressedFormats.size(); dstFormatNdx++)
2449 		{
2450 			const deUint32 srcFormat = nonCompressedFormats[srcFormatNdx];
2451 			const deUint32 dstFormat = compressedFormats[dstFormatNdx];
2452 
2453 			if (srcFormat != dstFormat && isFloatFormat(srcFormat) && isFloatFormat(dstFormat))
2454 				continue;
2455 
2456 			addCopyTests(viewGroup, srcFormat, dstFormat);
2457 			addCopyTests(viewGroup, dstFormat, srcFormat);
2458 		}
2459 	}
2460 }
2461 
2462 } // anonymous
2463 
createCopyImageTests(Context & context)2464 TestCaseGroup* createCopyImageTests (Context& context)
2465 {
2466 	return new CopyImageTests(context);
2467 }
2468 
2469 } // Functional
2470 } // gles31
2471 } // deqp
2472