es31fCopyImageTests.cpp revision 654d8c53a77c4fac3c57c6e7abf1fa940e715899 
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
57#include <map>
58#include <string>
59#include <vector>
60
61using namespace deqp::gls::TextureTestUtil;
62
63using tcu::Float;
64using tcu::IVec3;
65using tcu::Sampler;
66using tcu::ScopedLogSection;
67using tcu::TestLog;
68using tcu::Vec4;
69using tcu::SeedBuilder;
70
71using de::ArrayBuffer;
72
73using std::map;
74using std::string;
75using std::vector;
76using std::pair;
77
78namespace deqp
79{
80namespace gles31
81{
82namespace Functional
83{
84namespace
85{
86
87enum ViewClass
88{
89	VIEWCLASS_128_BITS = 0,
90	VIEWCLASS_96_BITS,
91	VIEWCLASS_64_BITS,
92	VIEWCLASS_48_BITS,
93	VIEWCLASS_32_BITS,
94	VIEWCLASS_24_BITS,
95	VIEWCLASS_16_BITS,
96	VIEWCLASS_8_BITS,
97
98	VIEWCLASS_EAC_R11,
99	VIEWCLASS_EAC_RG11,
100	VIEWCLASS_ETC2_RGB,
101	VIEWCLASS_ETC2_RGBA,
102	VIEWCLASS_ETC2_EAC_RGBA,
103	VIEWCLASS_ASTC_4x4_RGBA,
104	VIEWCLASS_ASTC_5x4_RGBA,
105	VIEWCLASS_ASTC_5x5_RGBA,
106	VIEWCLASS_ASTC_6x5_RGBA,
107	VIEWCLASS_ASTC_6x6_RGBA,
108	VIEWCLASS_ASTC_8x5_RGBA,
109	VIEWCLASS_ASTC_8x6_RGBA,
110	VIEWCLASS_ASTC_8x8_RGBA,
111	VIEWCLASS_ASTC_10x5_RGBA,
112	VIEWCLASS_ASTC_10x6_RGBA,
113	VIEWCLASS_ASTC_10x8_RGBA,
114	VIEWCLASS_ASTC_10x10_RGBA,
115	VIEWCLASS_ASTC_12x10_RGBA,
116	VIEWCLASS_ASTC_12x12_RGBA
117};
118
119const char* viewClassToName (ViewClass viewClass)
120{
121	switch (viewClass)
122	{
123		case VIEWCLASS_128_BITS:			return "viewclass_128_bits";
124		case VIEWCLASS_96_BITS:				return "viewclass_96_bits";
125		case VIEWCLASS_64_BITS:				return "viewclass_64_bits";
126		case VIEWCLASS_48_BITS:				return "viewclass_48_bits";
127		case VIEWCLASS_32_BITS:				return "viewclass_32_bits";
128		case VIEWCLASS_24_BITS:				return "viewclass_24_bits";
129		case VIEWCLASS_16_BITS:				return "viewclass_16_bits";
130		case VIEWCLASS_8_BITS:				return "viewclass_8_bits";
131		case VIEWCLASS_EAC_R11:				return "viewclass_eac_r11";
132		case VIEWCLASS_EAC_RG11:			return "viewclass_eac_rg11";
133		case VIEWCLASS_ETC2_RGB:			return "viewclass_etc2_rgb";
134		case VIEWCLASS_ETC2_RGBA:			return "viewclass_etc2_rgba";
135		case VIEWCLASS_ETC2_EAC_RGBA:		return "viewclass_etc2_eac_rgba";
136		case VIEWCLASS_ASTC_4x4_RGBA:		return "viewclass_astc_4x4_rgba";
137		case VIEWCLASS_ASTC_5x4_RGBA:		return "viewclass_astc_5x4_rgba";
138		case VIEWCLASS_ASTC_5x5_RGBA:		return "viewclass_astc_5x5_rgba";
139		case VIEWCLASS_ASTC_6x5_RGBA:		return "viewclass_astc_6x5_rgba";
140		case VIEWCLASS_ASTC_6x6_RGBA:		return "viewclass_astc_6x6_rgba";
141		case VIEWCLASS_ASTC_8x5_RGBA:		return "viewclass_astc_8x5_rgba";
142		case VIEWCLASS_ASTC_8x6_RGBA:		return "viewclass_astc_8x6_rgba";
143		case VIEWCLASS_ASTC_8x8_RGBA:		return "viewclass_astc_8x8_rgba";
144		case VIEWCLASS_ASTC_10x5_RGBA:		return "viewclass_astc_10x5_rgba";
145		case VIEWCLASS_ASTC_10x6_RGBA:		return "viewclass_astc_10x6_rgba";
146		case VIEWCLASS_ASTC_10x8_RGBA:		return "viewclass_astc_10x8_rgba";
147		case VIEWCLASS_ASTC_10x10_RGBA:		return "viewclass_astc_10x10_rgba";
148		case VIEWCLASS_ASTC_12x10_RGBA:		return "viewclass_astc_12x10_rgba";
149		case VIEWCLASS_ASTC_12x12_RGBA:		return "viewclass_astc_12x12_rgba";
150
151		default:
152			DE_ASSERT(false);
153			return NULL;
154	}
155}
156
157const char* targetToName (deUint32 target)
158{
159	switch (target)
160	{
161		case GL_RENDERBUFFER:		return "renderbuffer";
162		case GL_TEXTURE_2D:			return "texture2d";
163		case GL_TEXTURE_3D:			return "texture3d";
164		case GL_TEXTURE_2D_ARRAY:	return "texture2d_array";
165		case GL_TEXTURE_CUBE_MAP:	return "cubemap";
166
167		default:
168			DE_ASSERT(false);
169			return NULL;
170	}
171}
172
173bool isCompressedFormat (deUint32 format)
174{
175	switch (format)
176	{
177		case GL_COMPRESSED_R11_EAC:
178		case GL_COMPRESSED_SIGNED_R11_EAC:
179		case GL_COMPRESSED_RG11_EAC:
180		case GL_COMPRESSED_SIGNED_RG11_EAC:
181		case GL_COMPRESSED_RGB8_ETC2:
182		case GL_COMPRESSED_SRGB8_ETC2:
183		case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
184		case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
185		case GL_COMPRESSED_RGBA8_ETC2_EAC:
186		case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
187		case GL_COMPRESSED_RGBA_ASTC_4x4_KHR:
188		case GL_COMPRESSED_RGBA_ASTC_5x4_KHR:
189		case GL_COMPRESSED_RGBA_ASTC_5x5_KHR:
190		case GL_COMPRESSED_RGBA_ASTC_6x5_KHR:
191		case GL_COMPRESSED_RGBA_ASTC_6x6_KHR:
192		case GL_COMPRESSED_RGBA_ASTC_8x5_KHR:
193		case GL_COMPRESSED_RGBA_ASTC_8x6_KHR:
194		case GL_COMPRESSED_RGBA_ASTC_8x8_KHR:
195		case GL_COMPRESSED_RGBA_ASTC_10x5_KHR:
196		case GL_COMPRESSED_RGBA_ASTC_10x6_KHR:
197		case GL_COMPRESSED_RGBA_ASTC_10x8_KHR:
198		case GL_COMPRESSED_RGBA_ASTC_10x10_KHR:
199		case GL_COMPRESSED_RGBA_ASTC_12x10_KHR:
200		case GL_COMPRESSED_RGBA_ASTC_12x12_KHR:
201		case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:
202		case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:
203		case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:
204		case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:
205		case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:
206		case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:
207		case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:
208		case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:
209		case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:
210		case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:
211		case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:
212		case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:
213		case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:
214		case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:
215			return true;
216
217		default:
218			return false;
219	}
220}
221
222string formatToName (deUint32 format)
223{
224	string enumName;
225
226	if (isCompressedFormat(format))
227		enumName = glu::getCompressedTexFormatStr(format).toString().substr(14); // Strip GL_COMPRESSED_
228	else
229		enumName = glu::getPixelFormatStr(format).toString().substr(3); // Strip GL_
230
231	return de::toLower(enumName);
232}
233
234bool isFloatFormat (deUint32 format)
235{
236	if (isCompressedFormat(format))
237		return false;
238	else
239		return tcu::getTextureChannelClass(glu::mapGLInternalFormat(format).type) == tcu::TEXTURECHANNELCLASS_FLOATING_POINT;
240}
241
242bool isUintFormat (deUint32 format)
243{
244	if (isCompressedFormat(format))
245		return false;
246	else
247		return tcu::getTextureChannelClass(glu::mapGLInternalFormat(format).type) == tcu::TEXTURECHANNELCLASS_UNSIGNED_INTEGER;
248}
249
250bool isIntFormat (deUint32 format)
251{
252	if (isCompressedFormat(format))
253		return false;
254	else
255		return tcu::getTextureChannelClass(glu::mapGLInternalFormat(format).type) == tcu::TEXTURECHANNELCLASS_SIGNED_INTEGER;
256}
257
258bool isTextureTarget (deUint32 target)
259{
260	return target != GL_RENDERBUFFER;
261}
262
263int getTargetTexDims (deUint32 target)
264{
265	DE_ASSERT(isTextureTarget(target));
266
267	switch (target)
268	{
269		case GL_TEXTURE_1D:
270			return 1;
271
272		case GL_TEXTURE_1D_ARRAY:
273		case GL_TEXTURE_2D:
274		case GL_TEXTURE_CUBE_MAP:
275			return 2;
276
277		case GL_TEXTURE_2D_ARRAY:
278		case GL_TEXTURE_3D:
279			return 3;
280
281		default:
282			DE_ASSERT(false);
283			return -1;
284	}
285}
286
287class ImageInfo
288{
289public:
290					ImageInfo		(deUint32 format, deUint32 target, const IVec3& size);
291
292	deUint32		getFormat		(void) const { return m_format; }
293	deUint32		getTarget		(void) const { return m_target; }
294	const IVec3&	getSize			(void) const { return m_size; }
295
296private:
297	deUint32		m_format;
298	deUint32		m_target;
299	IVec3			m_size;
300};
301
302ImageInfo::ImageInfo (deUint32 format, deUint32 target, const IVec3& size)
303	: m_format		(format)
304	, m_target		(target)
305	, m_size		(size)
306{
307	DE_ASSERT(m_target == GL_TEXTURE_2D_ARRAY || m_target == GL_TEXTURE_3D || m_size.z() == 1);
308	DE_ASSERT(isTextureTarget(m_target) || !isCompressedFormat(m_target));
309}
310
311
312SeedBuilder& operator<< (SeedBuilder& builder, const ImageInfo& info)
313{
314	builder << info.getFormat() << info.getTarget() << info.getSize();
315	return builder;
316}
317
318const glu::ObjectTraits& getObjectTraits (const ImageInfo& info)
319{
320	if (isTextureTarget(info.getTarget()))
321		return glu::objectTraits(glu::OBJECTTYPE_TEXTURE);
322	else
323		return glu::objectTraits(glu::OBJECTTYPE_RENDERBUFFER);
324}
325
326int getLevelCount (const ImageInfo& info)
327{
328	const deUint32	target	= info.getTarget();
329	const IVec3		size	= info.getSize();
330
331	if (target == GL_RENDERBUFFER)
332		return 1;
333	else if (target == GL_TEXTURE_2D_ARRAY)
334	{
335		const int maxSize = de::max(size.x(), size.y());
336
337		return deLog2Ceil32(maxSize);
338	}
339	else
340	{
341		const int maxSize = de::max(size.x(), de::max(size.y(), size.z()));
342
343		return deLog2Ceil32(maxSize);
344	}
345}
346
347// Return format that has more restrictions on texel data.
348deUint32 getMoreRestrictiveFormat (deUint32 formatA, deUint32 formatB)
349{
350	if (formatA == formatB)
351		return formatA;
352	else if (isCompressedFormat(formatA) && isAstcFormat(glu::mapGLCompressedTexFormat(formatA)))
353		return formatA;
354	else if (isCompressedFormat(formatB) && isAstcFormat(glu::mapGLCompressedTexFormat(formatB)))
355		return formatB;
356	else if (isFloatFormat(formatA))
357	{
358		DE_ASSERT(!isFloatFormat(formatB));
359
360		return formatA;
361	}
362	else if (isFloatFormat(formatB))
363	{
364		DE_ASSERT(!isFloatFormat(formatA));
365
366		return formatB;
367	}
368	else if (isCompressedFormat(formatA))
369	{
370		return formatA;
371	}
372	else if (isCompressedFormat(formatB))
373	{
374		return formatB;
375	}
376	else
377		return formatA;
378}
379
380int getTexelBlockSize (deUint32 format)
381{
382	if (isCompressedFormat(format))
383		return tcu::getBlockSize(glu::mapGLCompressedTexFormat(format));
384	else
385		return glu::mapGLInternalFormat(format).getPixelSize();
386}
387
388IVec3 getTexelBlockPixelSize (deUint32 format)
389{
390	if (isCompressedFormat(format))
391		return tcu::getBlockPixelSize(glu::mapGLCompressedTexFormat(format));
392	else
393		return IVec3(1, 1, 1);
394}
395
396IVec3 getLevelSize (deUint32 target, const IVec3& baseSize, int level)
397{
398	IVec3 size;
399
400	if (target != GL_TEXTURE_2D_ARRAY)
401	{
402		for (int i = 0; i < 3; i++)
403			size[i] = de::max(baseSize[i] >> level, 1);
404	}
405	else
406	{
407		for (int i = 0; i < 2; i++)
408			size[i] = de::max(baseSize[i] >> level, 1);
409
410		size[2] = baseSize[2];
411	}
412
413	return size;
414}
415
416bool isColorRenderable (deUint32 format)
417{
418	switch (format)
419	{
420		case GL_R8:
421		case GL_RG8:
422		case GL_RGB8:
423		case GL_RGB565:
424		case GL_RGB4:
425		case GL_RGB5_A1:
426		case GL_RGBA8:
427		case GL_RGB10_A2:
428		case GL_RGB10_A2UI:
429		case GL_SRGB8_ALPHA8:
430		case GL_R8I:
431		case GL_R8UI:
432		case GL_R16I:
433		case GL_R16UI:
434		case GL_R32I:
435		case GL_R32UI:
436		case GL_RG8I:
437		case GL_RG8UI:
438		case GL_RG16I:
439		case GL_RG16UI:
440		case GL_RG32I:
441		case GL_RG32UI:
442		case GL_RGBA8I:
443		case GL_RGBA8UI:
444		case GL_RGBA16I:
445		case GL_RGBA16UI:
446		case GL_RGBA32I:
447		case GL_RGBA32UI:
448			return true;
449
450		default:
451			return false;
452	}
453}
454
455deUint32 getTypeForInternalFormat (deUint32 format)
456{
457	return glu::getTransferFormat(glu::mapGLInternalFormat(format)).dataType;
458}
459
460void genTexel (de::Random& rng, deUint32 glFormat, int texelBlockSize, const int texelCount, deUint8* buffer)
461{
462	if (isFloatFormat(glFormat))
463	{
464		const tcu::TextureFormat		format	= glu::mapGLInternalFormat(glFormat);
465		const tcu::PixelBufferAccess	access	(format, texelCount, 1, 1, buffer);
466		const tcu::TextureFormatInfo	info	= tcu::getTextureFormatInfo(format);
467
468		for (int texelNdx = 0; texelNdx < texelCount; texelNdx++)
469		{
470			const float	red		= rng.getFloat(info.valueMin.x(), info.valueMax.x());
471			const float green	= rng.getFloat(info.valueMin.y(), info.valueMax.y());
472			const float blue	= rng.getFloat(info.valueMin.z(), info.valueMax.z());
473			const float alpha	= rng.getFloat(info.valueMin.w(), info.valueMax.w());
474
475			const Vec4	color	(red, green, blue, alpha);
476
477			access.setPixel(color, texelNdx, 0, 0);
478		}
479	}
480	else if (isCompressedFormat(glFormat))
481	{
482		const tcu::CompressedTexFormat compressedFormat = glu::mapGLCompressedTexFormat(glFormat);
483
484		if (tcu::isAstcFormat(compressedFormat))
485		{
486			const int		BLOCK_SIZE				= 16;
487			const deUint8	blocks[][BLOCK_SIZE]	=
488			{
489				// \note All of the following blocks are valid in LDR mode.
490				{ 252,	253,	255,	255,	255,	255,	255,	255,	8,		71,		90,		78,		22,		17,		26,		66,		},
491				{ 252,	253,	255,	255,	255,	255,	255,	255,	220,	74,		139,	235,	249,	6,		145,	125		},
492				{ 252,	253,	255,	255,	255,	255,	255,	255,	223,	251,	28,		206,	54,		251,	160,	174		},
493				{ 252,	253,	255,	255,	255,	255,	255,	255,	39,		4,		153,	219,	180,	61,		51,		37		},
494				{ 67,	2,		0,		254,	1,		0,		64,		215,	83,		211,	159,	105,	41,		140,	50,		2		},
495				{ 67,	130,	0,		170,	84,		255,	65,		215,	83,		211,	159,	105,	41,		140,	50,		2		},
496				{ 67,	2,		129,	38,		51,		229,	95,		215,	83,		211,	159,	105,	41,		140,	50,		2		},
497				{ 67,	130,	193,	56,		213,	144,	95,		215,	83,		211,	159,	105,	41,		140,	50,		2		}
498			};
499
500			DE_ASSERT(texelBlockSize == BLOCK_SIZE);
501
502			for (int i = 0; i < texelCount; i++)
503			{
504				const int blockNdx = rng.getInt(0, DE_LENGTH_OF_ARRAY(blocks)-1);
505
506				deMemcpy(buffer + i * BLOCK_SIZE,  blocks[blockNdx], BLOCK_SIZE);
507			}
508		}
509		else
510		{
511			for (int i = 0; i < texelBlockSize * texelCount; i++)
512			{
513				const deUint8 val = rng.getUint8();
514
515				buffer[i] = val;
516			}
517		}
518	}
519	else
520	{
521		for (int i = 0; i < texelBlockSize * texelCount; i++)
522		{
523			const deUint8 val = rng.getUint8();
524
525			buffer[i] = val;
526		}
527	}
528}
529
530IVec3 divRoundUp (const IVec3& a, const IVec3& b)
531{
532	IVec3 res;
533
534	for (int i =0; i < 3; i++)
535		res[i] = a[i] / b[i] + ((a[i] % b[i]) ? 1 : 0);
536
537	return res;
538}
539
540deUint32 mapFaceNdxToFace (int ndx)
541{
542	const deUint32 cubeFaces[] =
543	{
544		GL_TEXTURE_CUBE_MAP_POSITIVE_X,
545		GL_TEXTURE_CUBE_MAP_NEGATIVE_X,
546
547		GL_TEXTURE_CUBE_MAP_POSITIVE_Y,
548		GL_TEXTURE_CUBE_MAP_NEGATIVE_Y,
549
550		GL_TEXTURE_CUBE_MAP_POSITIVE_Z,
551		GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
552	};
553
554	return de::getSizedArrayElement(cubeFaces, ndx);
555}
556
557deUint32 getFormatForInternalFormat (deUint32 format)
558{
559	return glu::getTransferFormat(glu::mapGLInternalFormat(format)).format;
560}
561
562void genericTexImage (const glw::Functions&	gl,
563					  deUint32				target,
564					  int					faceNdx,
565					  int					level,
566					  const IVec3&			size,
567					  deUint32				format,
568					  size_t				dataSize,
569					  const void*			data)
570{
571	const deUint32 glTarget = (target == GL_TEXTURE_CUBE_MAP ? mapFaceNdxToFace(faceNdx) : target);
572
573	DE_ASSERT(target == GL_TEXTURE_CUBE_MAP || faceNdx == 0);
574
575	if (isCompressedFormat(format))
576	{
577		switch (getTargetTexDims(target))
578		{
579			case 2:
580				DE_ASSERT(size.z() == 1);
581				gl.compressedTexImage2D(glTarget, level, format, (glw::GLsizei)size.x(), (glw::GLsizei)size.y(), 0, (glw::GLsizei)dataSize, data);
582				GLU_EXPECT_NO_ERROR(gl.getError(), "glCompressedTexImage2D failed.");
583				break;
584
585			case 3:
586				gl.compressedTexImage3D(glTarget, level, format, (glw::GLsizei)size.x(), (glw::GLsizei)size.y(), (glw::GLsizei)size.z(), 0, (glw::GLsizei)dataSize, data);
587				GLU_EXPECT_NO_ERROR(gl.getError(), "glCompressedTexImage3D failed.");
588				break;
589
590			default:
591				DE_ASSERT(false);
592		}
593	}
594	else
595	{
596		const deUint32	glFormat	= getFormatForInternalFormat(format);
597		const deUint32	glType		= getTypeForInternalFormat(format);
598
599		switch (getTargetTexDims(target))
600		{
601			case 2:
602				DE_ASSERT(size.z() == 1);
603				gl.texImage2D(glTarget, level, format, (glw::GLsizei)size.x(), (glw::GLsizei)size.y(), 0, glFormat, glType, data);
604				GLU_EXPECT_NO_ERROR(gl.getError(), "glTexImage2D failed.");
605				break;
606
607			case 3:
608				gl.texImage3D(glTarget, level, format, (glw::GLsizei)size.x(), (glw::GLsizei)size.y(), (glw::GLsizei)size.z(), 0, glFormat, glType, data);
609				GLU_EXPECT_NO_ERROR(gl.getError(), "glTexImage3D failed.");
610				break;
611
612			default:
613				DE_ASSERT(false);
614		}
615	}
616}
617
618void genTextureImage (const glw::Functions&				gl,
619					  de::Random&						rng,
620					  deUint32							name,
621					  vector<ArrayBuffer<deUint8> >&	levels,
622					  const ImageInfo&					info,
623					  deUint32							moreRestrictiveFormat)
624{
625	const int		texelBlockSize			= getTexelBlockSize(info.getFormat());
626	const IVec3		texelBlockPixelSize 	= getTexelBlockPixelSize(info.getFormat());
627	const IVec3		size					= info.getSize();
628
629	levels.resize(getLevelCount(info));
630
631	gl.pixelStorei(GL_UNPACK_ALIGNMENT, 1);
632	GLU_EXPECT_NO_ERROR(gl.getError(), "Setting pixel store aligment failed.");
633
634	gl.bindTexture(info.getTarget(), name);
635	GLU_EXPECT_NO_ERROR(gl.getError(), "Binding texture failed.");
636
637	for (int levelNdx = 0; levelNdx < getLevelCount(info); levelNdx++)
638	{
639		ArrayBuffer<deUint8>&	level					= levels[levelNdx];
640
641		const int				faceCount				= (info.getTarget() == GL_TEXTURE_CUBE_MAP ? 6 : 1);
642
643		const IVec3				levelPixelSize			= getLevelSize(info.getTarget(), info.getSize(), levelNdx);
644		const IVec3				levelTexelBlockSize		= divRoundUp(levelPixelSize, texelBlockPixelSize);
645		const int				levelTexelBlockCount	= levelTexelBlockSize.x() * levelTexelBlockSize.y() * levelTexelBlockSize.z();
646		const int				levelSize 				= levelTexelBlockCount * texelBlockSize;
647
648		level.setStorage(levelSize * faceCount);
649
650		for (int faceNdx = 0; faceNdx < faceCount; faceNdx++)
651		{
652			genTexel(rng, moreRestrictiveFormat, texelBlockSize, levelTexelBlockCount, level.getElementPtr(faceNdx * levelSize));
653
654			genericTexImage(gl, info.getTarget(), faceNdx, levelNdx, levelPixelSize, info.getFormat(), levelSize, level.getElementPtr(faceNdx * levelSize));
655		}
656	}
657
658	gl.bindTexture(info.getTarget(), 0);
659	GLU_EXPECT_NO_ERROR(gl.getError(), "Unbinding texture failed.");
660}
661
662void genRenderbufferImage (const glw::Functions&			gl,
663						   de::Random&						rng,
664						   deUint32							name,
665						   vector<ArrayBuffer<deUint8> >&	levels,
666						   const ImageInfo&					info,
667						   deUint32							moreRestrictiveFormat)
668{
669	const IVec3					size	= info.getSize();
670	const tcu::TextureFormat	format	= glu::mapGLInternalFormat(info.getFormat());
671
672	DE_ASSERT(info.getTarget() == GL_RENDERBUFFER);
673	DE_ASSERT(info.getSize().z() == 1);
674	DE_ASSERT(getLevelCount(info) == 1);
675	DE_ASSERT(!isCompressedFormat(info.getFormat()));
676
677	glu::Framebuffer framebuffer(gl);
678
679	levels.resize(1);
680	levels[0].setStorage(format.getPixelSize() * size.x() * size.y());
681	tcu::PixelBufferAccess refAccess(format, size.x(), size.y(), 1, levels[0].getPtr());
682
683	gl.bindRenderbuffer(GL_RENDERBUFFER, name);
684	gl.renderbufferStorage(GL_RENDERBUFFER, info.getFormat(), info.getSize().x(), info.getSize().y());
685	GLU_EXPECT_NO_ERROR(gl.getError(), "Binding and setting storage for renderbuffer failed.");
686
687	gl.bindFramebuffer(GL_FRAMEBUFFER, *framebuffer);
688	gl.framebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, name);
689	GLU_EXPECT_NO_ERROR(gl.getError(), "Binding framebuffer and attaching renderbuffer failed.");
690
691	{
692		vector<deUint8> texelBlock(format.getPixelSize());
693
694		genTexel(rng, moreRestrictiveFormat, format.getPixelSize(), 1, &(texelBlock[0]));
695
696		{
697			const tcu::ConstPixelBufferAccess texelAccess (format, 1, 1, 1, &(texelBlock[0]));
698
699			if (isFloatFormat(info.getFormat()))
700			{
701				const tcu::Vec4 color = texelAccess.getPixel(0, 0, 0);
702
703				gl.clearBufferfv(GL_COLOR, 0, (const float*)&color);
704				GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to clear renderbuffer.");
705
706				tcu::clear(refAccess, color);
707			}
708			else if (isIntFormat(info.getFormat()))
709			{
710				const tcu::IVec4 color = texelAccess.getPixelInt(0, 0, 0);
711
712				gl.clearBufferiv(GL_COLOR, 0, (const deInt32*)&color);
713				GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to clear renderbuffer.");
714
715				tcu::clear(refAccess, color);
716			}
717			else if (isUintFormat(info.getFormat()))
718			{
719				const tcu::IVec4 color = texelAccess.getPixelInt(0, 0, 0);
720
721				gl.clearBufferuiv(GL_COLOR, 0, (const deUint32*)&color);
722				GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to clear renderbuffer.");
723
724				tcu::clear(refAccess, color);
725			}
726			else
727			{
728				const tcu::Vec4 color = texelAccess.getPixel(0, 0, 0);
729
730				gl.clearColor(color.x(), color.y(), color.z(), color.w());
731				gl.clear(GL_COLOR_BUFFER_BIT);
732				GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to clear renderbuffer.");
733
734				tcu::clear(refAccess, color);
735			}
736		}
737	}
738
739	gl.bindRenderbuffer(GL_RENDERBUFFER, 0);
740	gl.bindFramebuffer(GL_FRAMEBUFFER, 0);
741	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind renderbufer and framebuffer.");
742}
743
744
745
746void genImage (const glw::Functions&			gl,
747			   de::Random&						rng,
748			   deUint32							name,
749			   vector<ArrayBuffer<deUint8> >&	levels,
750			   const ImageInfo&					info,
751			   deUint32							moreRestrictiveFormat)
752{
753	if (isTextureTarget(info.getTarget()))
754		genTextureImage(gl, rng, name, levels, info, moreRestrictiveFormat);
755	else
756		genRenderbufferImage(gl, rng, name, levels, info, moreRestrictiveFormat);
757}
758
759IVec3 getTexelBlockStride (const ImageInfo& info, int level)
760{
761	const IVec3	size					= getLevelSize(info.getTarget(), info.getSize(), level);
762	const int	texelBlockSize			= getTexelBlockSize(info.getFormat());
763	const IVec3 texelBlockPixelSize		= getTexelBlockPixelSize(info.getFormat());
764	const IVec3 textureTexelBlockSize	= divRoundUp(size, texelBlockPixelSize);
765
766	return IVec3(texelBlockSize, textureTexelBlockSize.x() * texelBlockSize, textureTexelBlockSize.x() * textureTexelBlockSize.y() * texelBlockSize);
767}
768
769int sumComponents (const IVec3& v)
770{
771	int s = 0;
772
773	for (int i = 0; i < 3; i++)
774		s += v[i];
775
776	return s;
777}
778
779void copyImageData (vector<ArrayBuffer<deUint8> >&			dstImageData,
780				    const ImageInfo&						dstImageInfo,
781					int										dstLevel,
782					const IVec3&							dstPos,
783
784					const vector<ArrayBuffer<deUint8> >&	srcImageData,
785				    const ImageInfo&						srcImageInfo,
786					int										srcLevel,
787					const IVec3&							srcPos,
788
789					const IVec3&							copySize)
790{
791	const ArrayBuffer<deUint8>&	srcLevelData			= srcImageData[srcLevel];
792	ArrayBuffer<deUint8>&		dstLevelData			= dstImageData[dstLevel];
793
794	const IVec3					srcTexelBlockPixelSize	= getTexelBlockPixelSize(srcImageInfo.getFormat());
795	const int					srcTexelBlockSize		= getTexelBlockSize(srcImageInfo.getFormat());
796	const IVec3					srcTexelPos				= srcPos / srcTexelBlockPixelSize;
797	const IVec3					srcTexelBlockStride		= getTexelBlockStride(srcImageInfo, srcLevel);
798
799	const IVec3					dstTexelBlockPixelSize	= getTexelBlockPixelSize(dstImageInfo.getFormat());
800	const int					dstTexelBlockSize		= getTexelBlockSize(dstImageInfo.getFormat());
801	const IVec3					dstTexelPos				= dstPos / dstTexelBlockPixelSize;
802	const IVec3					dstTexelBlockStride		= getTexelBlockStride(dstImageInfo, dstLevel);
803
804	const IVec3					copyTexelBlockCount		= copySize / srcTexelBlockPixelSize;
805	const int					texelBlockSize			= srcTexelBlockSize;
806
807	DE_ASSERT(srcTexelBlockSize == dstTexelBlockSize);
808	DE_UNREF(dstTexelBlockSize);
809
810	DE_ASSERT((copySize.x() % srcTexelBlockPixelSize.x()) == 0);
811	DE_ASSERT((copySize.y() % srcTexelBlockPixelSize.y()) == 0);
812	DE_ASSERT((copySize.z() % srcTexelBlockPixelSize.z()) == 0);
813
814	DE_ASSERT((srcPos.x() % srcTexelBlockPixelSize.x()) == 0);
815	DE_ASSERT((srcPos.y() % srcTexelBlockPixelSize.y()) == 0);
816	DE_ASSERT((srcPos.z() % srcTexelBlockPixelSize.z()) == 0);
817
818	for (int z = 0; z < copyTexelBlockCount.z(); z++)
819	for (int y = 0; y < copyTexelBlockCount.y(); y++)
820	{
821		const IVec3				blockPos		(0, y, z);
822		const deUint8* const	srcPtr			= srcLevelData.getElementPtr(sumComponents((srcTexelPos + blockPos) * srcTexelBlockStride));
823		deUint8* const			dstPtr			= dstLevelData.getElementPtr(sumComponents((dstTexelPos + blockPos) * dstTexelBlockStride));
824		const int				copyLineSize	= copyTexelBlockCount.x() * texelBlockSize;
825
826		deMemcpy(dstPtr, srcPtr, copyLineSize);
827	}
828}
829
830vector<tcu::ConstPixelBufferAccess> getLevelAccesses (const vector<ArrayBuffer<deUint8> >& data, const ImageInfo& info)
831{
832	const tcu::TextureFormat			format	= glu::mapGLInternalFormat(info.getFormat());
833	const IVec3							size	= info.getSize();
834
835	vector<tcu::ConstPixelBufferAccess>	result;
836
837	DE_ASSERT((int)data.size() == getLevelCount(info));
838
839	for (int level = 0; level < (int)data.size(); level++)
840	{
841		const IVec3 levelSize = getLevelSize(info.getTarget(), size, level);
842
843		result.push_back(tcu::ConstPixelBufferAccess(format, levelSize.x(), levelSize.y(), levelSize.z(), data[level].getPtr()));
844	}
845
846	return result;
847}
848
849vector<tcu::ConstPixelBufferAccess> getCubeLevelAccesses (const vector<ArrayBuffer<deUint8> >&	data,
850														  const ImageInfo&						info,
851														  int									faceNdx)
852{
853	const tcu::TextureFormat			format				= glu::mapGLInternalFormat(info.getFormat());
854	const IVec3							size				= info.getSize();
855	const int							texelBlockSize		= getTexelBlockSize(info.getFormat());
856	const IVec3							texelBlockPixelSize = getTexelBlockPixelSize(info.getFormat());
857	vector<tcu::ConstPixelBufferAccess>	result;
858
859	DE_ASSERT(info.getTarget() == GL_TEXTURE_CUBE_MAP);
860	DE_ASSERT((int)data.size() == getLevelCount(info));
861
862	for (int level = 0; level < (int)data.size(); level++)
863	{
864		const IVec3 levelPixelSize			= getLevelSize(info.getTarget(), size, level);
865		const IVec3	levelTexelBlockSize		= divRoundUp(levelPixelSize, texelBlockPixelSize);
866		const int	levelTexelBlockCount	= levelTexelBlockSize.x() * levelTexelBlockSize.y() * levelTexelBlockSize.z();
867		const int	levelSize				= levelTexelBlockCount * texelBlockSize;
868
869		result.push_back(tcu::ConstPixelBufferAccess(format, levelPixelSize.x(), levelPixelSize.y(), levelPixelSize.z(), data[level].getElementPtr(levelSize * faceNdx)));
870	}
871
872	return result;
873}
874
875void copyImage (const glw::Functions&					gl,
876
877				deUint32								dstName,
878				vector<ArrayBuffer<deUint8> >&			dstImageData,
879				const ImageInfo&						dstImageInfo,
880				int										dstLevel,
881				const IVec3&							dstPos,
882
883				deUint32								srcName,
884				const vector<ArrayBuffer<deUint8> >&	srcImageData,
885				const ImageInfo&						srcImageInfo,
886				int										srcLevel,
887				const IVec3&							srcPos,
888
889				const IVec3&							copySize)
890{
891	gl.copyImageSubData(srcName, srcImageInfo.getTarget(), srcLevel, srcPos.x(), srcPos.y(), srcPos.z(),
892						dstName, dstImageInfo.getTarget(), dstLevel, dstPos.x(), dstPos.y(), dstPos.z(),
893						copySize.x(), copySize.y(), copySize.z());
894
895	GLU_EXPECT_NO_ERROR(gl.getError(), "glCopyImageSubData failed.");
896
897	copyImageData(dstImageData, dstImageInfo, dstLevel, dstPos,
898				  srcImageData, srcImageInfo, srcLevel, srcPos, copySize);
899}
900
901void verifyTexture2DView (tcu::TestContext&			testContext,
902						  glu::RenderContext&		renderContext,
903						  TextureRenderer&			renderer,
904						  tcu::ResultCollector&		results,
905						  de::Random&				rng,
906						  deUint32					name,
907						  const ImageInfo&			info,
908						  const tcu::Texture2DView&	refTexture)
909{
910	tcu::TestLog&					log				= testContext.getLog();
911	const glw::Functions&			gl				= renderContext.getFunctions();
912	const tcu::RGBA					threshold		= renderContext.getRenderTarget().getPixelFormat().getColorThreshold() + tcu::RGBA(1,1,1,1);
913	const tcu::TextureFormat		format			= refTexture.getLevel(0).getFormat();
914	const tcu::TextureFormatInfo	spec			= tcu::getTextureFormatInfo(format);
915
916	ReferenceParams					renderParams	(TEXTURETYPE_2D);
917
918	renderParams.samplerType	= getSamplerType(format);
919	renderParams.sampler		= Sampler(Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::NEAREST_MIPMAP_NEAREST, Sampler::NEAREST);
920	renderParams.colorScale		= spec.lookupScale;
921	renderParams.colorBias		= spec.lookupBias;
922
923	gl.activeTexture(GL_TEXTURE0);
924	gl.bindTexture(GL_TEXTURE_2D, name);
925	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to bind texture.");
926
927	gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
928	gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
929	gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
930	gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
931	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to setup texture filtering state.");
932
933	for (int level = 0; level < getLevelCount(info); level++)
934	{
935		const IVec3				levelSize		= getLevelSize(info.getTarget(), info.getSize(), level);
936		const RandomViewport	viewport		(renderContext.getRenderTarget(), levelSize.x(), levelSize.y(), rng.getUint32());
937
938		vector<float>			texCoord;
939		tcu::Surface			renderedFrame	(viewport.width, viewport.height);
940		tcu::Surface			referenceFrame	(viewport.width, viewport.height);
941
942		computeQuadTexCoord2D(texCoord, tcu::Vec2(0.0f, 0.0f), tcu::Vec2(1.0f, 1.0f));
943
944		// Setup base viewport.
945		gl.viewport(viewport.x, viewport.y, viewport.width, viewport.height);
946
947		// Draw.
948		renderer.renderQuad(0, &texCoord[0], renderParams);
949		glu::readPixels(renderContext, viewport.x, viewport.y, renderedFrame.getAccess());
950		GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to render and read pixels.");
951
952		// Compute reference.
953		sampleTexture(SurfaceAccess(referenceFrame, renderContext.getRenderTarget().getPixelFormat()), refTexture, &texCoord[0], renderParams);
954
955		// Compare and log.
956		if (!pixelThresholdCompare(log, ("Level" + de::toString(level)).c_str(), ("Render level " + de::toString(level)).c_str(), referenceFrame, renderedFrame, threshold, tcu::COMPARE_LOG_ON_ERROR))
957			results.fail("Image comparison of level " + de::toString(level) + " failed.");
958		else
959			log << TestLog::Message << "Image comparison of level " << level << " passed." << TestLog::EndMessage;
960	}
961
962	gl.bindTexture(GL_TEXTURE_2D, 0);
963	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind texture.");
964}
965
966void decompressTextureLevel (const tcu::TexDecompressionParams&		params,
967							 ArrayBuffer<deUint8>&					levelData,
968							 tcu::PixelBufferAccess& 				levelAccess,
969							 const tcu::CompressedTexFormat&		compressedFormat,
970							 const tcu::TextureFormat&				decompressedFormat,
971							 const IVec3&							levelPixelSize,
972							 const void*							data)
973{
974	levelData.setStorage(levelPixelSize.x() * levelPixelSize.y() * levelPixelSize.z() * decompressedFormat.getPixelSize());
975	levelAccess = tcu::PixelBufferAccess(decompressedFormat, levelPixelSize.x(), levelPixelSize.y(), levelPixelSize.z(), levelData.getPtr());
976
977	tcu::decompress(levelAccess, compressedFormat, (const deUint8*)data, params);
978}
979
980void decompressTexture (vector<ArrayBuffer<deUint8> >&			levelDatas,
981						vector<tcu::PixelBufferAccess>& 		levelAccesses,
982						glu::RenderContext&						renderContext,
983						const ImageInfo&						info,
984						const vector<ArrayBuffer<deUint8> >&	data)
985{
986	const tcu::CompressedTexFormat	compressedFormat	= glu::mapGLCompressedTexFormat(info.getFormat());
987	const tcu::TextureFormat		decompressedFormat	= tcu::getUncompressedFormat(compressedFormat);
988	const IVec3						size				= info.getSize();
989	de::UniquePtr<glu::ContextInfo>	ctxInfo				(glu::ContextInfo::create(renderContext));
990	tcu::TexDecompressionParams		decompressParams;
991
992	if (tcu::isAstcFormat(compressedFormat))
993	{
994		if (ctxInfo->isExtensionSupported("GL_KHR_texture_compression_astc_hdr"))
995			decompressParams = tcu::TexDecompressionParams(tcu::TexDecompressionParams::ASTCMODE_HDR);
996		else if (ctxInfo->isExtensionSupported("GL_KHR_texture_compression_astc_ldr"))
997			decompressParams = tcu::TexDecompressionParams(tcu::TexDecompressionParams::ASTCMODE_LDR);
998		else
999			DE_ASSERT(false);
1000	}
1001
1002	levelDatas.resize(getLevelCount(info));
1003	levelAccesses.resize(getLevelCount(info));
1004
1005	for (int level = 0; level < getLevelCount(info); level++)
1006	{
1007		const IVec3					levelPixelSize	= getLevelSize(info.getTarget(), size, level);
1008		de::ArrayBuffer<deUint8>&	levelData		= levelDatas[level];
1009		tcu::PixelBufferAccess&		levelAccess 	= levelAccesses[level];
1010
1011		decompressTextureLevel(decompressParams, levelData, levelAccess, compressedFormat, decompressedFormat, levelPixelSize, data[level].getPtr());
1012	}
1013}
1014
1015void verifyTexture2D (tcu::TestContext&						testContext,
1016					  glu::RenderContext&					renderContext,
1017					  TextureRenderer&						textureRenderer,
1018					  tcu::ResultCollector&					results,
1019					  de::Random&							rng,
1020					  deUint32								name,
1021					  const vector<ArrayBuffer<deUint8> >&	data,
1022					  const ImageInfo&						info)
1023{
1024	if (isCompressedFormat(info.getFormat()))
1025	{
1026		vector<de::ArrayBuffer<deUint8> >	levelDatas;
1027		vector<tcu::PixelBufferAccess>		levelAccesses;
1028
1029		decompressTexture(levelDatas, levelAccesses, renderContext, info, data);
1030
1031		{
1032			const tcu::Texture2DView refTexture((int)levelAccesses.size(), &(levelAccesses[0]));
1033
1034			verifyTexture2DView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture);
1035		}
1036	}
1037	else
1038	{
1039		const vector<tcu::ConstPixelBufferAccess>	levelAccesses	= getLevelAccesses(data, info);
1040		const tcu::Texture2DView					refTexture		((int)levelAccesses.size(), &(levelAccesses[0]));
1041
1042		verifyTexture2DView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture);
1043	}
1044}
1045
1046void verifyTexture3DView (tcu::TestContext&			testContext,
1047						  glu::RenderContext&		renderContext,
1048						  TextureRenderer&			renderer,
1049						  tcu::ResultCollector&		results,
1050						  de::Random&				rng,
1051						  deUint32					name,
1052						  const ImageInfo&			info,
1053						  const tcu::Texture3DView&	refTexture)
1054{
1055	tcu::TestLog&					log				= testContext.getLog();
1056	const glw::Functions&			gl				= renderContext.getFunctions();
1057	const tcu::RGBA					threshold		= renderContext.getRenderTarget().getPixelFormat().getColorThreshold() + tcu::RGBA(1,1,1,1);
1058	const tcu::TextureFormat		format			= refTexture.getLevel(0).getFormat();
1059	const tcu::TextureFormatInfo	spec			= tcu::getTextureFormatInfo(format);
1060
1061	ReferenceParams					renderParams	(TEXTURETYPE_3D);
1062
1063	renderParams.samplerType	= getSamplerType(format);
1064	renderParams.sampler		= Sampler(Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::NEAREST_MIPMAP_NEAREST, Sampler::NEAREST);
1065	renderParams.colorScale		= spec.lookupScale;
1066	renderParams.colorBias		= spec.lookupBias;
1067
1068	gl.activeTexture(GL_TEXTURE0);
1069	gl.bindTexture(GL_TEXTURE_3D, name);
1070	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to bind texture.");
1071
1072	gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
1073	gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
1074	gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
1075	gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
1076	gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
1077	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to setup texture filtering state.");
1078
1079	for (int level = 0; level < getLevelCount(info); level++)
1080	{
1081		const IVec3 levelSize = getLevelSize(info.getTarget(), info.getSize(), level);
1082
1083		for (int slice = 0; slice < levelSize.z(); slice++)
1084		{
1085			const RandomViewport	viewport		(renderContext.getRenderTarget(), levelSize.x(), levelSize.y(), rng.getUint32());
1086			const float				r				= (float(slice) + 0.5f) / levelSize.z();
1087			tcu::Surface			renderedFrame	(viewport.width, viewport.height);
1088			tcu::Surface			referenceFrame	(viewport.width, viewport.height);
1089			vector<float>			texCoord;
1090
1091			computeQuadTexCoord3D(texCoord, tcu::Vec3(0.0f, 0.0f, r), tcu::Vec3(1.0f, 1.0f, r), tcu::IVec3(0, 1, 2));
1092
1093			// Setup base viewport.
1094			gl.viewport(viewport.x, viewport.y, viewport.width, viewport.height);
1095
1096			// Draw.
1097			renderer.renderQuad(0, &texCoord[0], renderParams);
1098			glu::readPixels(renderContext, viewport.x, viewport.y, renderedFrame.getAccess());
1099			GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to render and read pixels.");
1100
1101			// Compute reference.
1102			sampleTexture(SurfaceAccess(referenceFrame, renderContext.getRenderTarget().getPixelFormat()), refTexture, &texCoord[0], renderParams);
1103
1104			// Compare and log.
1105			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))
1106				results.fail("Image comparison of level " + de::toString(level) + " and slice " + de::toString(slice) + " failed.");
1107			else
1108				log << TestLog::Message << "Image comparison of level " << level << " and slice " << slice << " passed." << TestLog::EndMessage;;
1109		}
1110	}
1111
1112	gl.bindTexture(GL_TEXTURE_3D, 0);
1113	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind texture.");
1114}
1115
1116void verifyTexture3D (tcu::TestContext&						testContext,
1117					  glu::RenderContext&					renderContext,
1118					  TextureRenderer&						textureRenderer,
1119					  tcu::ResultCollector&					results,
1120					  de::Random&							rng,
1121					  deUint32								name,
1122					  const vector<ArrayBuffer<deUint8> >&	data,
1123					  const ImageInfo&						info)
1124{
1125	if (isCompressedFormat(info.getFormat()))
1126	{
1127		vector<de::ArrayBuffer<deUint8> >	levelDatas;
1128		vector<tcu::PixelBufferAccess>		levelAccesses;
1129
1130		decompressTexture(levelDatas, levelAccesses, renderContext, info, data);
1131
1132		{
1133			const tcu::Texture3DView refTexture((int)levelAccesses.size(), &(levelAccesses[0]));
1134
1135			verifyTexture3DView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture);
1136		}
1137	}
1138	else
1139	{
1140		const vector<tcu::ConstPixelBufferAccess>	levelAccesses	= getLevelAccesses(data, info);
1141		const tcu::Texture3DView					refTexture		((int)levelAccesses.size(), &(levelAccesses[0]));
1142
1143		verifyTexture3DView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture);
1144	}
1145}
1146
1147void verifyTextureCubemapView (tcu::TestContext&			testContext,
1148							   glu::RenderContext&			renderContext,
1149							   TextureRenderer&				renderer,
1150							   tcu::ResultCollector&		results,
1151							   de::Random&					rng,
1152							   deUint32						name,
1153							   const ImageInfo&				info,
1154							   const tcu::TextureCubeView&	refTexture)
1155{
1156	tcu::TestLog&					log				= testContext.getLog();
1157	const glw::Functions&			gl				= renderContext.getFunctions();
1158	const tcu::RGBA					threshold		= renderContext.getRenderTarget().getPixelFormat().getColorThreshold() + tcu::RGBA(1,1,1,1);
1159	const tcu::TextureFormat		format			= refTexture.getLevelFace(0, tcu::CUBEFACE_POSITIVE_X).getFormat();
1160	const tcu::TextureFormatInfo	spec			= tcu::getTextureFormatInfo(format);
1161
1162	ReferenceParams					renderParams	(TEXTURETYPE_CUBE);
1163
1164	renderParams.samplerType	= getSamplerType(format);
1165	renderParams.sampler		= Sampler(Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::NEAREST_MIPMAP_NEAREST, Sampler::NEAREST);
1166	renderParams.colorScale		= spec.lookupScale;
1167	renderParams.colorBias		= spec.lookupBias;
1168
1169	gl.activeTexture(GL_TEXTURE0);
1170	gl.bindTexture(GL_TEXTURE_CUBE_MAP, name);
1171	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to bind texture.");
1172
1173	gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
1174	gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
1175	gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
1176	gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
1177	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to setup texture filtering state.");
1178
1179	for (int level = 0; level < getLevelCount(info); level++)
1180	{
1181		const IVec3 levelSize = getLevelSize(info.getTarget(), info.getSize(), level);
1182
1183		// \note It seems we can't reliably sample two smallest texture levels with cubemaps
1184		if (levelSize.x() < 4 && levelSize.y() < 4)
1185			continue;
1186
1187		for (int face = 0; face < 6; face++)
1188		{
1189			const RandomViewport	viewport		(renderContext.getRenderTarget(), levelSize.x(), levelSize.y(), rng.getUint32());
1190			const string			cubemapFaceName	= glu::getCubeMapFaceStr(mapFaceNdxToFace(face)).toString();
1191			tcu::Surface			renderedFrame	(viewport.width, viewport.height);
1192			tcu::Surface			referenceFrame	(viewport.width, viewport.height);
1193			vector<float>			texCoord;
1194
1195			computeQuadTexCoordCube(texCoord, glu::getCubeFaceFromGL(mapFaceNdxToFace(face)));
1196
1197			// Setup base viewport.
1198			gl.viewport(viewport.x, viewport.y, viewport.width, viewport.height);
1199
1200			// Draw.
1201			renderer.renderQuad(0, &texCoord[0], renderParams);
1202			glu::readPixels(renderContext, viewport.x, viewport.y, renderedFrame.getAccess());
1203			GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to render and read pixels.");
1204
1205			// Compute reference.
1206			sampleTexture(SurfaceAccess(referenceFrame, renderContext.getRenderTarget().getPixelFormat()), refTexture, &texCoord[0], renderParams);
1207
1208			// Compare and log.
1209			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))
1210				results.fail("Image comparison of level " + de::toString(level) + " and face " + cubemapFaceName + " failed.");
1211			else
1212				log << TestLog::Message << "Image comparison of level " << level << " and face " << cubemapFaceName << " passed." << TestLog::EndMessage;
1213		}
1214	}
1215
1216	gl.bindTexture(GL_TEXTURE_CUBE_MAP, 0);
1217	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind texture.");
1218}
1219
1220void verifyTextureCubemap (tcu::TestContext&					testContext,
1221						   glu::RenderContext&					renderContext,
1222						   TextureRenderer&						textureRenderer,
1223						   tcu::ResultCollector&				results,
1224						   de::Random&							rng,
1225						   deUint32								name,
1226						   const vector<ArrayBuffer<deUint8> >&	data,
1227						   const ImageInfo&						info)
1228{
1229	if (isCompressedFormat(info.getFormat()))
1230	{
1231		const tcu::CompressedTexFormat&	compressedFormat	= glu::mapGLCompressedTexFormat(info.getFormat());
1232		const tcu::TextureFormat&		decompressedFormat	= tcu::getUncompressedFormat(compressedFormat);
1233
1234		const int						texelBlockSize		= getTexelBlockSize(info.getFormat());
1235		const IVec3						texelBlockPixelSize = getTexelBlockPixelSize(info.getFormat());
1236
1237		vector<tcu::PixelBufferAccess>	levelAccesses[6];
1238		vector<ArrayBuffer<deUint8> >	levelDatas[6];
1239		de::UniquePtr<glu::ContextInfo>	ctxInfo				(glu::ContextInfo::create(renderContext));
1240		tcu::TexDecompressionParams		decompressParams;
1241
1242		if (tcu::isAstcFormat(compressedFormat))
1243		{
1244			if (ctxInfo->isExtensionSupported("GL_KHR_texture_compression_astc_hdr"))
1245				decompressParams = tcu::TexDecompressionParams(tcu::TexDecompressionParams::ASTCMODE_HDR);
1246			else if (ctxInfo->isExtensionSupported("GL_KHR_texture_compression_astc_ldr"))
1247				decompressParams = tcu::TexDecompressionParams(tcu::TexDecompressionParams::ASTCMODE_LDR);
1248			else
1249				DE_ASSERT(false);
1250		}
1251
1252		for (int faceNdx = 0; faceNdx < 6; faceNdx++)
1253		{
1254			levelAccesses[faceNdx].resize(getLevelCount(info));
1255			levelDatas[faceNdx].resize(getLevelCount(info));
1256		}
1257
1258		for (int level = 0; level < getLevelCount(info); level++)
1259		{
1260			for (int faceNdx = 0; faceNdx < 6; faceNdx++)
1261			{
1262				const IVec3				levelPixelSize			= getLevelSize(info.getTarget(), info.getSize(), level);
1263				const IVec3				levelTexelBlockSize		= divRoundUp(levelPixelSize, texelBlockPixelSize);
1264				const int				levelTexelBlockCount	= levelTexelBlockSize.x() * levelTexelBlockSize.y() * levelTexelBlockSize.z();
1265				const int				levelSize 				= levelTexelBlockCount * texelBlockSize;
1266
1267				const deUint8*			dataPtr					= data[level].getElementPtr(faceNdx * levelSize);
1268				tcu::PixelBufferAccess& levelAccess				= levelAccesses[faceNdx][level];
1269				ArrayBuffer<deUint8>&	levelData				= levelDatas[faceNdx][level];
1270
1271				decompressTextureLevel(decompressParams, levelData, levelAccess, compressedFormat, decompressedFormat, levelPixelSize, dataPtr);
1272			}
1273		}
1274
1275		const tcu::ConstPixelBufferAccess* levels[6];
1276
1277		for (int faceNdx = 0; faceNdx < 6; faceNdx++)
1278			levels[glu::getCubeFaceFromGL(mapFaceNdxToFace(faceNdx))] = &(levelAccesses[faceNdx][0]);
1279
1280		{
1281			const tcu::TextureCubeView refTexture(getLevelCount(info), levels);
1282
1283			verifyTextureCubemapView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture);
1284		}
1285	}
1286	else
1287	{
1288		const vector<tcu::ConstPixelBufferAccess> levelAccesses[6] =
1289		{
1290			getCubeLevelAccesses(data, info, 0),
1291			getCubeLevelAccesses(data, info, 1),
1292			getCubeLevelAccesses(data, info, 2),
1293			getCubeLevelAccesses(data, info, 3),
1294			getCubeLevelAccesses(data, info, 4),
1295			getCubeLevelAccesses(data, info, 5),
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}
1310
1311void verifyTexture2DArrayView (tcu::TestContext&				testContext,
1312							   glu::RenderContext&				renderContext,
1313							   TextureRenderer&					renderer,
1314							   tcu::ResultCollector&			results,
1315							   de::Random&						rng,
1316							   deUint32							name,
1317							   const ImageInfo&					info,
1318							   const tcu::Texture2DArrayView&	refTexture)
1319{
1320	tcu::TestLog&					log				= testContext.getLog();
1321	const glw::Functions&			gl				= renderContext.getFunctions();
1322	const tcu::RGBA					threshold		= renderContext.getRenderTarget().getPixelFormat().getColorThreshold() + tcu::RGBA(1,1,1,1);
1323	const tcu::TextureFormat		format			= refTexture.getLevel(0).getFormat();
1324	const tcu::TextureFormatInfo	spec			= tcu::getTextureFormatInfo(format);
1325
1326	ReferenceParams					renderParams	(TEXTURETYPE_2D_ARRAY);
1327
1328	renderParams.samplerType	= getSamplerType(format);
1329	renderParams.sampler		= Sampler(Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::NEAREST_MIPMAP_NEAREST, Sampler::NEAREST);
1330	renderParams.colorScale		= spec.lookupScale;
1331	renderParams.colorBias		= spec.lookupBias;
1332
1333	gl.activeTexture(GL_TEXTURE0);
1334	gl.bindTexture(GL_TEXTURE_2D_ARRAY, name);
1335	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to bind texture.");
1336
1337	gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
1338	gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
1339	gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
1340	gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
1341	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to setup texture filtering state.");
1342
1343	for (int level = 0; level < getLevelCount(info); level++)
1344	{
1345		const IVec3 levelSize = getLevelSize(info.getTarget(), info.getSize(), level);
1346
1347		for (int layer = 0; layer < levelSize.z(); layer++)
1348		{
1349			const RandomViewport	viewport		(renderContext.getRenderTarget(), levelSize.x(), levelSize.y(), rng.getUint32());
1350			tcu::Surface			renderedFrame	(viewport.width, viewport.height);
1351			tcu::Surface			referenceFrame	(viewport.width, viewport.height);
1352			vector<float>			texCoord;
1353
1354			computeQuadTexCoord2DArray(texCoord, layer, tcu::Vec2(0.0f, 0.0f), tcu::Vec2(1.0f, 1.0f));
1355
1356			// Setup base viewport.
1357			gl.viewport(viewport.x, viewport.y, viewport.width, viewport.height);
1358
1359			// Draw.
1360			renderer.renderQuad(0, &texCoord[0], renderParams);
1361			glu::readPixels(renderContext, viewport.x, viewport.y, renderedFrame.getAccess());
1362			GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to render and read pixels.");
1363
1364			// Compute reference.
1365			sampleTexture(SurfaceAccess(referenceFrame, renderContext.getRenderTarget().getPixelFormat()), refTexture, &texCoord[0], renderParams);
1366
1367			// Compare and log.
1368			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))
1369				results.fail("Image comparison of level " + de::toString(level) + " and layer " + de::toString(layer) + " failed.");
1370			else
1371				log << TestLog::Message << "Image comparison of level " << level << " and layer " << layer << " passed." << TestLog::EndMessage;
1372		}
1373	}
1374
1375	gl.bindTexture(GL_TEXTURE_2D_ARRAY, 0);
1376	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind texture.");
1377}
1378
1379void verifyTexture2DArray (tcu::TestContext&					testContext,
1380						   glu::RenderContext&					renderContext,
1381						   TextureRenderer&						textureRenderer,
1382						   tcu::ResultCollector&				results,
1383						   de::Random&							rng,
1384						   deUint32								name,
1385						   const vector<ArrayBuffer<deUint8> >&	data,
1386						   const ImageInfo&						info)
1387{
1388	if (isCompressedFormat(info.getFormat()))
1389	{
1390		vector<de::ArrayBuffer<deUint8> >	levelDatas;
1391		vector<tcu::PixelBufferAccess>		levelAccesses;
1392
1393		decompressTexture(levelDatas, levelAccesses, renderContext, info, data);
1394
1395		{
1396			const tcu::Texture2DArrayView refTexture((int)levelAccesses.size(), &(levelAccesses[0]));
1397
1398			verifyTexture2DArrayView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture);
1399		}
1400	}
1401	else
1402	{
1403		const vector<tcu::ConstPixelBufferAccess>	levelAccesses	= getLevelAccesses(data, info);
1404		const tcu::Texture2DArrayView				refTexture		((int)levelAccesses.size(), &(levelAccesses[0]));
1405
1406		verifyTexture2DArrayView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture);
1407	}
1408}
1409
1410tcu::TextureFormat getReadPixelFormat (const tcu::TextureFormat& format)
1411{
1412	switch (tcu::getTextureChannelClass(format.type))
1413	{
1414		case tcu::TEXTURECHANNELCLASS_FLOATING_POINT:
1415		case tcu::TEXTURECHANNELCLASS_SIGNED_FIXED_POINT:
1416		case tcu::TEXTURECHANNELCLASS_UNSIGNED_FIXED_POINT:
1417			return tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNORM_INT8);
1418
1419		case tcu::TEXTURECHANNELCLASS_SIGNED_INTEGER:
1420			return tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::SIGNED_INT32);
1421
1422		case tcu::TEXTURECHANNELCLASS_UNSIGNED_INTEGER:
1423			return tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNSIGNED_INT32);
1424
1425		default:
1426			DE_ASSERT(false);
1427			return tcu::TextureFormat();
1428	}
1429}
1430
1431Vec4 calculateThreshold (const tcu::TextureFormat& sourceFormat, const tcu::TextureFormat& readPixelsFormat)
1432{
1433	DE_ASSERT(tcu::getTextureChannelClass(sourceFormat.type) != tcu::TEXTURECHANNELCLASS_FLOATING_POINT);
1434	DE_ASSERT(tcu::getTextureChannelClass(readPixelsFormat.type) != tcu::TEXTURECHANNELCLASS_FLOATING_POINT);
1435
1436	DE_ASSERT(tcu::getTextureChannelClass(sourceFormat.type) != tcu::TEXTURECHANNELCLASS_SIGNED_INTEGER);
1437	DE_ASSERT(tcu::getTextureChannelClass(readPixelsFormat.type) != tcu::TEXTURECHANNELCLASS_SIGNED_INTEGER);
1438
1439	DE_ASSERT(tcu::getTextureChannelClass(sourceFormat.type) != tcu::TEXTURECHANNELCLASS_UNSIGNED_INTEGER);
1440	DE_ASSERT(tcu::getTextureChannelClass(readPixelsFormat.type) != tcu::TEXTURECHANNELCLASS_UNSIGNED_INTEGER);
1441
1442	{
1443		const tcu::IVec4	srcBits		= tcu::getTextureFormatBitDepth(sourceFormat);
1444		const tcu::IVec4	readBits	= tcu::getTextureFormatBitDepth(readPixelsFormat);
1445
1446		return Vec4(1.0f) / ((tcu::IVec4(1) << (tcu::min(srcBits, readBits))) - tcu::IVec4(1)).cast<float>();
1447	}
1448}
1449
1450void verifyRenderbuffer (tcu::TestContext&						testContext,
1451						 glu::RenderContext&					renderContext,
1452						 tcu::ResultCollector&					results,
1453						 deUint32								name,
1454						 const vector<ArrayBuffer<deUint8> >&	data,
1455						 const ImageInfo&						info)
1456{
1457	const glw::Functions&				gl					= renderContext.getFunctions();
1458	TestLog&							log					= testContext.getLog();
1459
1460	const tcu::TextureFormat			format				= glu::mapGLInternalFormat(info.getFormat());
1461	const IVec3							size				= info.getSize();
1462	const tcu::ConstPixelBufferAccess	refRenderbuffer		(format, size.x(), size.y(), 1, data[0].getPtr());
1463	const tcu::TextureFormat			readPixelsFormat	= getReadPixelFormat(format);
1464	tcu::TextureLevel					renderbuffer		(readPixelsFormat, size.x(), size.y());
1465
1466	DE_ASSERT(size.z() == 1);
1467	DE_ASSERT(data.size() == 1);
1468
1469	{
1470		glu::Framebuffer framebuffer(gl);
1471
1472		gl.bindFramebuffer(GL_FRAMEBUFFER, *framebuffer);
1473		GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to create and bind framebuffer.");
1474
1475		gl.bindRenderbuffer(GL_RENDERBUFFER, name);
1476		gl.framebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, name);
1477		GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to bind and attach renderbuffer to framebuffer.");
1478
1479		glu::readPixels(renderContext, 0, 0, renderbuffer.getAccess());
1480
1481		gl.bindRenderbuffer(GL_RENDERBUFFER, 0);
1482		gl.bindFramebuffer(GL_FRAMEBUFFER, 0);
1483		GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind renderbuffer and framebuffer.");
1484	}
1485
1486	if (isFloatFormat(info.getFormat()))
1487	{
1488		const tcu::UVec4 threshold (2, 2, 2, 2);
1489
1490		if (!(tcu::floatUlpThresholdCompare(log, "Image comparison", "Image comparison", refRenderbuffer, renderbuffer.getAccess(), threshold, tcu::COMPARE_LOG_ON_ERROR)))
1491			results.fail("Image comparison failed.");
1492		else
1493			log << TestLog::Message << "Image comarison passed." << TestLog::EndMessage;
1494	}
1495	else if (isIntFormat(info.getFormat()) || isUintFormat(info.getFormat()))
1496	{
1497		const tcu::UVec4 threshold (1, 1, 1, 1);
1498
1499		if (!(tcu::intThresholdCompare(log, "Image comparison", "Image comparison", refRenderbuffer, renderbuffer.getAccess(), threshold, tcu::COMPARE_LOG_ON_ERROR)))
1500			results.fail("Image comparison failed.");
1501		else
1502			log << TestLog::Message << "Image comarison passed." << TestLog::EndMessage;
1503	}
1504	else
1505	{
1506		const Vec4 threshold = calculateThreshold(format, readPixelsFormat);
1507
1508		if (!(tcu::floatThresholdCompare(log, "Image comparison", "Image comparison", refRenderbuffer, renderbuffer.getAccess(), threshold, tcu::COMPARE_LOG_ON_ERROR)))
1509			results.fail("Image comparison failed.");
1510		else
1511			log << TestLog::Message << "Image comarison passed." << TestLog::EndMessage;
1512	}
1513}
1514
1515void verify (tcu::TestContext&						testContext,
1516			 glu::RenderContext&					renderContext,
1517			 TextureRenderer&						textureRenderer,
1518			 tcu::ResultCollector&					results,
1519			 de::Random&							rng,
1520			 deUint32								name,
1521			 const vector<ArrayBuffer<deUint8> >&	data,
1522			 const ImageInfo&						info)
1523{
1524	switch (info.getTarget())
1525	{
1526		case GL_TEXTURE_2D:
1527			verifyTexture2D(testContext, renderContext, textureRenderer, results, rng, name, data, info);
1528			break;
1529
1530		case GL_TEXTURE_3D:
1531			verifyTexture3D(testContext, renderContext, textureRenderer, results, rng, name, data, info);
1532			break;
1533
1534		case GL_TEXTURE_CUBE_MAP:
1535			verifyTextureCubemap(testContext, renderContext, textureRenderer, results, rng, name, data, info);
1536			break;
1537
1538		case GL_TEXTURE_2D_ARRAY:
1539			verifyTexture2DArray(testContext, renderContext, textureRenderer, results, rng, name, data, info);
1540			break;
1541
1542		case GL_RENDERBUFFER:
1543			verifyRenderbuffer(testContext, renderContext, results, name, data, info);
1544			break;
1545
1546		default:
1547			DE_ASSERT(false);
1548	}
1549}
1550
1551void logTestImageInfo (TestLog&			log,
1552					   const ImageInfo&	imageInfo)
1553{
1554	log << TestLog::Message << "Target: " << targetToName(imageInfo.getTarget()) << TestLog::EndMessage;
1555	log << TestLog::Message << "Size: " << imageInfo.getSize() << TestLog::EndMessage;
1556	log << TestLog::Message << "Levels: " << getLevelCount(imageInfo) << TestLog::EndMessage;
1557	log << TestLog::Message << "Format: " << formatToName(imageInfo.getFormat()) << TestLog::EndMessage;
1558}
1559
1560void logTestInfo (TestLog&			log,
1561				  const ImageInfo&	srcImageInfo,
1562				  const ImageInfo&	dstImageInfo)
1563{
1564	tcu::ScopedLogSection section(log, "TestCaseInfo", "Test case info");
1565
1566	log << TestLog::Message << "Testing copying from " << targetToName(srcImageInfo.getTarget()) << " to " << targetToName(dstImageInfo.getTarget()) << "." << TestLog::EndMessage;
1567
1568	{
1569		tcu::ScopedLogSection srcSection(log, "Source image info.", "Source image info.");
1570		logTestImageInfo(log, srcImageInfo);
1571	}
1572
1573	{
1574		tcu::ScopedLogSection dstSection(log, "Destination image info.", "Destination image info.");
1575		logTestImageInfo(log, dstImageInfo);
1576	}
1577}
1578
1579class CopyImageTest : public TestCase
1580{
1581public:
1582							CopyImageTest			(Context&			context,
1583													 const ImageInfo&	srcImage,
1584													 const ImageInfo&	dstImage,
1585													 const char*		name,
1586													 const char*		description);
1587
1588							~CopyImageTest			(void);
1589
1590	void					init					(void);
1591	void					deinit					(void);
1592
1593	TestCase::IterateResult	iterate					(void);
1594
1595private:
1596	void					logTestInfoIter			(void);
1597	void					createImagesIter		(void);
1598	void					destroyImagesIter		(void);
1599	void					verifySourceIter		(void);
1600	void					verifyDestinationIter	(void);
1601	void					copyImageIter			(void);
1602
1603	struct State
1604	{
1605		State (int					seed,
1606			   tcu::TestContext&	testContext,
1607			   glu::RenderContext&	renderContext)
1608			: rng				(seed)
1609			, results			(testContext.getLog())
1610			, srcImage			(NULL)
1611			, dstImage			(NULL)
1612			, textureRenderer	(renderContext, testContext, glu::GLSL_VERSION_310_ES, glu::PRECISION_HIGHP)
1613		{
1614		}
1615
1616		~State (void)
1617		{
1618			delete srcImage;
1619			delete dstImage;
1620		}
1621
1622		de::Random						rng;
1623		tcu::ResultCollector			results;
1624		glu::ObjectWrapper*				srcImage;
1625		glu::ObjectWrapper*				dstImage;
1626		TextureRenderer					textureRenderer;
1627
1628		vector<ArrayBuffer<deUint8> >	srcImageLevels;
1629		vector<ArrayBuffer<deUint8> >	dstImageLevels;
1630	};
1631
1632	const ImageInfo	m_srcImageInfo;
1633	const ImageInfo	m_dstImageInfo;
1634
1635	int				m_iteration;
1636	State*			m_state;
1637};
1638
1639CopyImageTest::CopyImageTest (Context&			context,
1640							  const ImageInfo&	srcImage,
1641							  const ImageInfo&	dstImage,
1642							  const char*		name,
1643							  const char*		description)
1644	: TestCase			(context, name, description)
1645	, m_srcImageInfo	(srcImage)
1646	, m_dstImageInfo	(dstImage)
1647
1648	, m_iteration		(0)
1649	, m_state			(NULL)
1650{
1651}
1652
1653CopyImageTest::~CopyImageTest (void)
1654{
1655	deinit();
1656}
1657
1658void checkFormatSupport (glu::ContextInfo& info, deUint32 format)
1659{
1660	if (isCompressedFormat(format))
1661	{
1662		if (isAstcFormat(glu::mapGLCompressedTexFormat(format)))
1663		{
1664			if (!info.isExtensionSupported("GL_KHR_texture_compression_astc_ldr")
1665				&& !info.isExtensionSupported("GL_KHR_texture_compression_astc_hdr")
1666				&& !info.isExtensionSupported("GL_OES_texture_compression_astc"))
1667				throw tcu::NotSupportedError("Compressed astc texture not supported.", "", __FILE__, __LINE__);
1668		}
1669		else
1670		{
1671			if (!info.isCompressedTextureFormatSupported(format))
1672				throw tcu::NotSupportedError("Compressed texture not supported.", "", __FILE__, __LINE__);
1673		}
1674	}
1675}
1676
1677void CopyImageTest::init (void)
1678{
1679	de::UniquePtr<glu::ContextInfo> ctxInfo(glu::ContextInfo::create(m_context.getRenderContext()));
1680
1681	if (!ctxInfo->isExtensionSupported("GL_EXT_copy_image"))
1682		throw tcu::NotSupportedError("Extension GL_EXT_copy_image not supported.", "", __FILE__, __LINE__);
1683
1684	checkFormatSupport(*ctxInfo, m_srcImageInfo.getFormat());
1685	checkFormatSupport(*ctxInfo, m_dstImageInfo.getFormat());
1686
1687	{
1688		SeedBuilder builder;
1689
1690		builder << 903980
1691				<< m_srcImageInfo
1692				<< m_dstImageInfo;
1693
1694		m_state = new State(builder.get(), m_testCtx, m_context.getRenderContext());
1695	}
1696}
1697
1698void CopyImageTest::deinit (void)
1699{
1700	delete m_state;
1701	m_state = NULL;
1702}
1703
1704void CopyImageTest::logTestInfoIter (void)
1705{
1706	TestLog& log = m_testCtx.getLog();
1707
1708	logTestInfo(log, m_srcImageInfo, m_dstImageInfo);
1709}
1710
1711void CopyImageTest::createImagesIter (void)
1712{
1713	TestLog&				log						= m_testCtx.getLog();
1714	glu::RenderContext&		renderContext			= m_context.getRenderContext();
1715	const glw::Functions&	gl						= renderContext.getFunctions();
1716	const deUint32			moreRestrictiveFormat	= getMoreRestrictiveFormat(m_srcImageInfo.getFormat(), m_dstImageInfo.getFormat());
1717	de::Random&				rng						= m_state->rng;
1718
1719	DE_ASSERT(!m_state->srcImage);
1720	DE_ASSERT(!m_state->dstImage);
1721
1722	m_state->srcImage = new glu::ObjectWrapper(gl, getObjectTraits(m_srcImageInfo));
1723	m_state->dstImage = new glu::ObjectWrapper(gl, getObjectTraits(m_dstImageInfo));
1724
1725	{
1726		glu::ObjectWrapper&				srcImage				= *m_state->srcImage;
1727		glu::ObjectWrapper&				dstImage				= *m_state->dstImage;
1728
1729		vector<ArrayBuffer<deUint8> >&	srcImageLevels			= m_state->srcImageLevels;
1730		vector<ArrayBuffer<deUint8> >&	dstImageLevels			= m_state->dstImageLevels;
1731
1732		log << TestLog::Message << "Creating source image." << TestLog::EndMessage;
1733		genImage(gl, rng, *srcImage, srcImageLevels, m_srcImageInfo, moreRestrictiveFormat);
1734
1735		log << TestLog::Message << "Creating destination image." << TestLog::EndMessage;
1736		genImage(gl, rng, *dstImage, dstImageLevels, m_dstImageInfo, moreRestrictiveFormat);
1737	}
1738}
1739
1740void CopyImageTest::destroyImagesIter (void)
1741{
1742	TestLog& log = m_testCtx.getLog();
1743
1744	log << TestLog::Message << "Deleting source image. " << TestLog::EndMessage;
1745
1746	delete m_state->srcImage;
1747	m_state->srcImage = NULL;
1748	m_state->srcImageLevels.clear();
1749
1750	log << TestLog::Message << "Deleting destination image. " << TestLog::EndMessage;
1751
1752	delete m_state->dstImage;
1753	m_state->dstImage = NULL;
1754	m_state->dstImageLevels.clear();
1755}
1756
1757void CopyImageTest::verifySourceIter (void)
1758{
1759	TestLog&						log					= m_testCtx.getLog();
1760	const tcu::ScopedLogSection		sourceSection		(log, "Source image verify.", "Source image verify.");
1761
1762	de::Random&						rng					= m_state->rng;
1763	tcu::ResultCollector&			results				= m_state->results;
1764	glu::ObjectWrapper&				srcImage			= *m_state->srcImage;
1765	vector<ArrayBuffer<deUint8> >&	srcImageLevels		= m_state->srcImageLevels;
1766
1767	log << TestLog::Message << "Verifying source image." << TestLog::EndMessage;
1768
1769	verify(m_testCtx, m_context.getRenderContext(), m_state->textureRenderer, results, rng, *srcImage, srcImageLevels, m_srcImageInfo);
1770}
1771
1772void CopyImageTest::verifyDestinationIter (void)
1773{
1774	TestLog&						log					= m_testCtx.getLog();
1775	const tcu::ScopedLogSection		destinationSection	(log, "Destination image verify.", "Destination image verify.");
1776
1777	de::Random&						rng					= m_state->rng;
1778	tcu::ResultCollector&			results				= m_state->results;
1779	glu::ObjectWrapper&				dstImage			= *m_state->dstImage;
1780	vector<ArrayBuffer<deUint8> >&	dstImageLevels		= m_state->dstImageLevels;
1781
1782	log << TestLog::Message << "Verifying destination image." << TestLog::EndMessage;
1783
1784	verify(m_testCtx, m_context.getRenderContext(), m_state->textureRenderer, results, rng, *dstImage, dstImageLevels, m_dstImageInfo);
1785}
1786
1787struct Copy
1788{
1789	Copy (const IVec3&	srcPos_,
1790		  int			srcLevel_,
1791
1792		  const IVec3&	dstPos_,
1793		  int			dstLevel_,
1794
1795		  const IVec3&	size_)
1796		: srcPos	(srcPos_)
1797		, srcLevel	(srcLevel_)
1798
1799		, dstPos	(dstPos_)
1800		, dstLevel	(dstLevel_)
1801		, size		(size_)
1802	{
1803	}
1804
1805	IVec3	srcPos;
1806	int		srcLevel;
1807	IVec3	dstPos;
1808	int		dstLevel;
1809	IVec3	size;
1810};
1811
1812int getLastFullLevel (const ImageInfo& info)
1813{
1814	const int	levelCount		= getLevelCount(info);
1815	const IVec3	blockPixelSize	= getTexelBlockPixelSize(info.getFormat());
1816
1817	for (int level = 0; level < levelCount; level++)
1818	{
1819		const IVec3 levelSize = getLevelSize(info.getTarget(), info.getSize(), level);
1820
1821		if (levelSize.x() < blockPixelSize.x() || levelSize.y() < blockPixelSize.y() || levelSize.z() < blockPixelSize.z())
1822			return level - 1;
1823	}
1824
1825	return levelCount -1;
1826}
1827
1828void generateCopies (vector<Copy>& copies, const ImageInfo& srcInfo, const ImageInfo& dstInfo)
1829{
1830	const deUint32	srcTarget		= srcInfo.getTarget();
1831	const deUint32	dstTarget		= dstInfo.getTarget();
1832
1833	const bool		srcIsTexture	= isTextureTarget(srcInfo.getTarget());
1834	const bool		dstIsTexture	= isTextureTarget(dstInfo.getTarget());
1835
1836	const bool		srcIsCube		= srcTarget == GL_TEXTURE_CUBE_MAP;
1837	const bool		dstIsCube		= dstTarget == GL_TEXTURE_CUBE_MAP;
1838
1839	const IVec3		srcBlockPixelSize		= getTexelBlockPixelSize(srcInfo.getFormat());
1840	const IVec3		dstBlockPixelSize		= getTexelBlockPixelSize(dstInfo.getFormat());
1841
1842	const int levels[] =
1843	{
1844		0, 1, -1
1845	};
1846
1847	for (int levelNdx = 0; levelNdx < (srcIsTexture || dstIsTexture ? DE_LENGTH_OF_ARRAY(levels) : 1); levelNdx++)
1848	{
1849		const int	srcLevel				= (srcIsTexture ? (levels[levelNdx] >= 0 ? levels[levelNdx] : getLastFullLevel(srcInfo)) : 0);
1850		const int	dstLevel				= (dstIsTexture ? (levels[levelNdx] >= 0 ? levels[levelNdx] : getLastFullLevel(dstInfo)) : 0);
1851
1852		const IVec3	srcSize					= getLevelSize(srcInfo.getTarget(), srcInfo.getSize(), srcLevel);
1853		const IVec3	dstSize					= getLevelSize(dstInfo.getTarget(), dstInfo.getSize(), dstLevel);
1854
1855		// \note These are rounded down
1856		const IVec3	srcCompleteBlockSize	= IVec3(srcSize.x() / srcBlockPixelSize.x(), srcSize.y() / srcBlockPixelSize.y(), (srcIsCube ? 6 : srcSize.z() / srcBlockPixelSize.z()));
1857		const IVec3	dstCompleteBlockSize	= IVec3(dstSize.x() / dstBlockPixelSize.x(), dstSize.y() / dstBlockPixelSize.y(), (dstIsCube ? 6 : dstSize.z() / dstBlockPixelSize.z()));
1858
1859		const IVec3	maxCopyBlockSize		= tcu::min(srcCompleteBlockSize, dstCompleteBlockSize);
1860
1861		// \note These are rounded down
1862		const int	copyBlockWidth			= de::max((2 * (maxCopyBlockSize.x() / 4)) - 1, 1);
1863		const int	copyBlockHeight			= de::max((2 * (maxCopyBlockSize.y() / 4)) - 1, 1);
1864		const int	copyBlockDepth			= de::max((2 * (maxCopyBlockSize.z() / 4)) - 1, 1);
1865
1866		// Copy NPOT block from (0,0,0) to other corner on dst
1867		{
1868			const IVec3	copyBlockSize	(copyBlockWidth, copyBlockHeight, copyBlockDepth);
1869			const IVec3	srcBlockPos		(srcCompleteBlockSize - copyBlockSize);
1870			const IVec3	dstBlockPos		(0, 0, 0);
1871
1872			const IVec3	srcPos			(srcBlockPos * srcBlockPixelSize);
1873			const IVec3	dstPos			(dstBlockPos * dstBlockPixelSize);
1874			const IVec3 copySize		(copyBlockSize * srcBlockPixelSize);
1875
1876			copies.push_back(Copy(srcPos, srcLevel, dstPos, dstLevel, copySize));
1877		}
1878
1879		// Copy NPOT block to (0,0,0) from other corner on src
1880		{
1881			const IVec3	copyBlockSize	(copyBlockWidth, copyBlockHeight, copyBlockDepth);
1882			const IVec3	srcBlockPos		(0, 0, 0);
1883			const IVec3	dstBlockPos		(dstCompleteBlockSize - copyBlockSize);
1884
1885			const IVec3	srcPos			(srcBlockPos * srcBlockPixelSize);
1886			const IVec3	dstPos			(dstBlockPos * dstBlockPixelSize);
1887			const IVec3 copySize		(copyBlockSize * srcBlockPixelSize);
1888
1889			copies.push_back(Copy(srcPos, srcLevel, dstPos, dstLevel, copySize));
1890		}
1891
1892		// Copy NPOT block to (0,0,0) from other corner on src
1893		{
1894			const IVec3	copyBlockSize	(copyBlockWidth, copyBlockHeight, copyBlockDepth);
1895			const IVec3	srcBlockPos		(tcu::max((srcCompleteBlockSize / 4) * 4 - copyBlockSize, IVec3(0)));
1896			const IVec3	dstBlockPos		(tcu::max((dstCompleteBlockSize / 4) * 4 - copyBlockSize, IVec3(0)));
1897
1898			const IVec3	srcPos			(srcBlockPos * srcBlockPixelSize);
1899			const IVec3	dstPos			(dstBlockPos * dstBlockPixelSize);
1900			const IVec3 copySize		(copyBlockSize * srcBlockPixelSize);
1901
1902			copies.push_back(Copy(srcPos, srcLevel, dstPos, dstLevel, copySize));
1903		}
1904	}
1905}
1906
1907void CopyImageTest::copyImageIter (void)
1908{
1909	TestLog&						log				= m_testCtx.getLog();
1910	const glw::Functions&			gl				= m_context.getRenderContext().getFunctions();
1911	glu::ObjectWrapper&				srcImage		= *m_state->srcImage;
1912	glu::ObjectWrapper&				dstImage		= *m_state->dstImage;
1913
1914	vector<ArrayBuffer<deUint8> >&	srcImageLevels	= m_state->srcImageLevels;
1915	vector<ArrayBuffer<deUint8> >&	dstImageLevels	= m_state->dstImageLevels;
1916	vector<Copy>					copies;
1917
1918	generateCopies(copies, m_srcImageInfo, m_dstImageInfo);
1919
1920	for (int copyNdx = 0; copyNdx < (int)copies.size(); copyNdx++)
1921	{
1922		const Copy& copy = copies[copyNdx];
1923
1924		log << TestLog::Message << "Copying block " << copy.size << " from source image position " << copy.srcPos << " and mipmap level " << copy.srcLevel
1925								<< " to destination image position " << copy.dstPos << " and mipmap level " << copy.dstLevel << TestLog::EndMessage;
1926
1927		copyImage(gl, *dstImage, dstImageLevels, m_dstImageInfo, copy.dstLevel, copy.dstPos,
1928					  *srcImage, srcImageLevels, m_srcImageInfo, copy.srcLevel, copy.srcPos, copy.size);
1929	}
1930}
1931
1932TestCase::IterateResult CopyImageTest::iterate (void)
1933{
1934	void(CopyImageTest::*methods[])(void) =
1935	{
1936		&CopyImageTest::logTestInfoIter,
1937
1938		// Render both images and then copy and verify again.
1939		&CopyImageTest::createImagesIter,
1940		&CopyImageTest::verifySourceIter,
1941		&CopyImageTest::verifyDestinationIter,
1942		&CopyImageTest::copyImageIter,
1943		&CopyImageTest::verifySourceIter,
1944		&CopyImageTest::verifyDestinationIter,
1945		&CopyImageTest::destroyImagesIter,
1946
1947		// Create images and immediately copies between thew and verify.
1948		&CopyImageTest::createImagesIter,
1949		&CopyImageTest::copyImageIter,
1950		&CopyImageTest::verifySourceIter,
1951		&CopyImageTest::verifyDestinationIter,
1952		&CopyImageTest::destroyImagesIter
1953	};
1954
1955	if (m_iteration < DE_LENGTH_OF_ARRAY(methods))
1956	{
1957		(this->*methods[m_iteration])();
1958		m_iteration++;
1959		return CONTINUE;
1960	}
1961	else
1962	{
1963		m_state->results.setTestContextResult(m_testCtx);
1964		return STOP;
1965	}
1966}
1967
1968class CopyImageTests : public TestCaseGroup
1969{
1970public:
1971						CopyImageTests			(Context& context);
1972						~CopyImageTests			(void);
1973
1974	void				init					(void);
1975
1976private:
1977						CopyImageTests			(const CopyImageTests& other);
1978	CopyImageTests&		operator=				(const CopyImageTests& other);
1979};
1980
1981CopyImageTests::CopyImageTests (Context& context)
1982	: TestCaseGroup	(context, "copy_image", "Copy image tests for GL_EXT_copy_image.")
1983{
1984}
1985
1986CopyImageTests::~CopyImageTests (void)
1987{
1988}
1989
1990int smallestCommonMultiple (int a_, int b_)
1991{
1992	int	a		= (a_ > b_ ? a_ : b_);
1993	int	b		= (a_ > b_ ? b_ : a_);
1994	int	result  = 1;
1995
1996	for (int i = b/2; i > 1; i--)
1997	{
1998		while ((a % i) == 0 && (b % i) == 0)
1999		{
2000			result *= i;
2001			a /= i;
2002			b /= i;
2003		}
2004	}
2005
2006	return result * a * b;
2007}
2008
2009IVec3 getTestedSize (deUint32 target, deUint32 format, const IVec3& targetSize)
2010{
2011	const IVec3 texelBlockPixelSize = getTexelBlockPixelSize(format);
2012	const bool	isCube				= target == GL_TEXTURE_CUBE_MAP;
2013	const bool	is3D				= target == GL_TEXTURE_3D || target == GL_TEXTURE_2D_ARRAY;
2014
2015	if (isCube)
2016	{
2017		const int	multiplier	= smallestCommonMultiple(texelBlockPixelSize.x(), texelBlockPixelSize.y());
2018		const int	size		= (1 + (targetSize.x() / multiplier)) * multiplier;
2019
2020		return IVec3(size, size, 1);
2021	}
2022	else if (is3D)
2023	{
2024		return (1 + (targetSize / texelBlockPixelSize)) * texelBlockPixelSize;
2025	}
2026	else
2027	{
2028		const int width = (1 + targetSize.x() / texelBlockPixelSize.x()) * texelBlockPixelSize.x();
2029		const int height = ((targetSize.y() / texelBlockPixelSize.y()) - 1) * texelBlockPixelSize.y();
2030
2031		return IVec3(width, height, 1);
2032	}
2033}
2034
2035void addCopyTests (TestCaseGroup* root, deUint32 srcFormat, deUint32 dstFormat)
2036{
2037	const string			groupName	= string(formatToName(srcFormat)) + "_" + formatToName(dstFormat);
2038	TestCaseGroup* const	group		= new TestCaseGroup(root->getContext(), groupName.c_str(), groupName.c_str());
2039
2040	const deUint32 targets[] =
2041	{
2042		GL_TEXTURE_2D,
2043		GL_TEXTURE_3D,
2044		GL_TEXTURE_CUBE_MAP,
2045		GL_TEXTURE_2D_ARRAY,
2046		GL_RENDERBUFFER
2047	};
2048
2049	root->addChild(group);
2050
2051	for (int srcTargetNdx = 0; srcTargetNdx < DE_LENGTH_OF_ARRAY(targets); srcTargetNdx++)
2052	{
2053		const deUint32	srcTarget				= targets[srcTargetNdx];
2054		const IVec3		srcTexelBlockPixelSize	= getTexelBlockPixelSize(srcFormat);
2055		const bool		srcIs3D					= srcTarget == GL_TEXTURE_2D_ARRAY || srcTarget == GL_TEXTURE_3D;
2056
2057		if (isCompressedFormat(srcFormat) && srcTarget == GL_RENDERBUFFER)
2058			continue;
2059
2060		if (srcTarget == GL_RENDERBUFFER && !isColorRenderable(srcFormat))
2061			continue;
2062
2063		if (isCompressedFormat(srcFormat) && !tcu::isAstcFormat(glu::mapGLCompressedTexFormat(srcFormat)) && srcIs3D)
2064			continue;
2065
2066		for (int dstTargetNdx = 0; dstTargetNdx < DE_LENGTH_OF_ARRAY(targets); dstTargetNdx++)
2067		{
2068			const deUint32	dstTarget				= targets[dstTargetNdx];
2069			const IVec3		dstTexelBlockPixelSize	= getTexelBlockPixelSize(dstFormat);
2070			const bool		dstIs3D					= dstTarget == GL_TEXTURE_2D_ARRAY || dstTarget == GL_TEXTURE_3D;
2071
2072			if (isCompressedFormat(dstFormat) && dstTarget == GL_RENDERBUFFER)
2073				continue;
2074
2075			if (dstTarget == GL_RENDERBUFFER && !isColorRenderable(dstFormat))
2076				continue;
2077
2078			if (isCompressedFormat(dstFormat) && !tcu::isAstcFormat(glu::mapGLCompressedTexFormat(dstFormat)) && dstIs3D)
2079				continue;
2080
2081			const string	targetTestName	= string(targetToName(srcTarget)) + "_to_" + targetToName(dstTarget);
2082
2083			const IVec3		targetSize2D	(128, 128, 1);
2084			const IVec3		targetSize3D	(128, 128, 16);
2085
2086			const IVec3		targetPos2D		(32, 32, 0);
2087			const IVec3		targetPos3D		(16, 16, 2);
2088			const IVec3		targetCopySize	(16, 16, 4);
2089
2090			const IVec3		srcSize			= getTestedSize(srcTarget, srcFormat, (srcIs3D ? targetSize3D : targetSize2D));
2091			const IVec3		dstSize			= getTestedSize(dstTarget, dstFormat, (dstIs3D ? targetSize3D : targetSize2D));
2092
2093			group->addChild(new CopyImageTest(root->getContext(),
2094											ImageInfo(srcFormat, srcTarget, srcSize),
2095											ImageInfo(dstFormat, dstTarget, dstSize),
2096											targetTestName.c_str(), targetTestName.c_str()));
2097		}
2098	}
2099}
2100
2101void CopyImageTests::init (void)
2102{
2103	TestCaseGroup* const	nonCompressedGroup	= new TestCaseGroup(m_context, "non_compressed", "Test copying between textures.");
2104	TestCaseGroup* const	compressedGroup		= new TestCaseGroup(m_context, "compressed", "Test copying between compressed textures.");
2105	TestCaseGroup* const	mixedGroup			= new TestCaseGroup(m_context, "mixed", "Test copying between compressed and non-compressed textures.");
2106
2107	addChild(nonCompressedGroup);
2108	addChild(compressedGroup);
2109	addChild(mixedGroup);
2110
2111	map<ViewClass, vector<deUint32> >							textureFormatViewClasses;
2112	map<ViewClass, vector<deUint32> >							compressedTextureFormatViewClasses;
2113	map<ViewClass, pair<vector<deUint32>, vector<deUint32> > >	mixedViewClasses;
2114
2115	// Texture view classes
2116	textureFormatViewClasses[VIEWCLASS_128_BITS]		= vector<deUint32>();
2117	textureFormatViewClasses[VIEWCLASS_96_BITS]			= vector<deUint32>();
2118	textureFormatViewClasses[VIEWCLASS_64_BITS]			= vector<deUint32>();
2119	textureFormatViewClasses[VIEWCLASS_48_BITS]			= vector<deUint32>();
2120	textureFormatViewClasses[VIEWCLASS_32_BITS]			= vector<deUint32>();
2121	textureFormatViewClasses[VIEWCLASS_24_BITS]			= vector<deUint32>();
2122	textureFormatViewClasses[VIEWCLASS_16_BITS]			= vector<deUint32>();
2123	textureFormatViewClasses[VIEWCLASS_8_BITS]			= vector<deUint32>();
2124
2125	// 128bit / VIEWCLASS_128_BITS
2126	textureFormatViewClasses[VIEWCLASS_128_BITS].push_back(GL_RGBA32F);
2127	textureFormatViewClasses[VIEWCLASS_128_BITS].push_back(GL_RGBA32I);
2128	textureFormatViewClasses[VIEWCLASS_128_BITS].push_back(GL_RGBA32UI);
2129
2130	// 96bit / VIEWCLASS_96_BITS
2131	textureFormatViewClasses[VIEWCLASS_96_BITS].push_back(GL_RGB32F);
2132	textureFormatViewClasses[VIEWCLASS_96_BITS].push_back(GL_RGB32I);
2133	textureFormatViewClasses[VIEWCLASS_96_BITS].push_back(GL_RGB32UI);
2134
2135	// 64bit / VIEWCLASS_64_BITS
2136	textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RG32F);
2137	textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RG32I);
2138	textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RG32UI);
2139
2140	textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RGBA16F);
2141	textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RGBA16I);
2142	textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RGBA16UI);
2143
2144	// 48bit / VIEWCLASS_48_BITS
2145	textureFormatViewClasses[VIEWCLASS_48_BITS].push_back(GL_RGB16F);
2146	textureFormatViewClasses[VIEWCLASS_48_BITS].push_back(GL_RGB16I);
2147	textureFormatViewClasses[VIEWCLASS_48_BITS].push_back(GL_RGB16UI);
2148
2149	// 32bit / VIEWCLASS_32_BITS
2150	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_R32F);
2151	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_R32I);
2152	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_R32UI);
2153
2154	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RG16F);
2155	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RG16I);
2156	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RG16UI);
2157
2158	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGBA8);
2159	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGBA8I);
2160	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGBA8UI);
2161
2162	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_R11F_G11F_B10F);
2163	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGB10_A2UI);
2164	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGB10_A2);
2165	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGBA8_SNORM);
2166	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_SRGB8_ALPHA8);
2167	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGB9_E5);
2168
2169	// 24bit / VIEWCLASS_24_BITS
2170	textureFormatViewClasses[VIEWCLASS_24_BITS].push_back(GL_RGB8);
2171	textureFormatViewClasses[VIEWCLASS_24_BITS].push_back(GL_RGB8I);
2172	textureFormatViewClasses[VIEWCLASS_24_BITS].push_back(GL_RGB8UI);
2173	textureFormatViewClasses[VIEWCLASS_24_BITS].push_back(GL_RGB8_SNORM);
2174	textureFormatViewClasses[VIEWCLASS_24_BITS].push_back(GL_SRGB8);
2175
2176	// 16bit / VIEWCLASS_16_BITS
2177	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_R16F);
2178	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_R16I);
2179	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_R16UI);
2180
2181	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_RG8);
2182	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_RG8I);
2183	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_RG8UI);
2184	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_RG8_SNORM);
2185
2186	// 8bit / VIEWCLASS_8_BITS
2187	textureFormatViewClasses[VIEWCLASS_8_BITS].push_back(GL_R8);
2188	textureFormatViewClasses[VIEWCLASS_8_BITS].push_back(GL_R8I);
2189	textureFormatViewClasses[VIEWCLASS_8_BITS].push_back(GL_R8UI);
2190	textureFormatViewClasses[VIEWCLASS_8_BITS].push_back(GL_R8_SNORM);
2191
2192	// Compressed texture view classes
2193	compressedTextureFormatViewClasses[VIEWCLASS_EAC_R11]			= vector<deUint32>();
2194	compressedTextureFormatViewClasses[VIEWCLASS_EAC_RG11]			= vector<deUint32>();
2195	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGB]			= vector<deUint32>();
2196	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGBA]			= vector<deUint32>();
2197	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_EAC_RGBA]		= vector<deUint32>();
2198	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_4x4_RGBA]		= vector<deUint32>();
2199	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x4_RGBA]		= vector<deUint32>();
2200	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x5_RGBA]		= vector<deUint32>();
2201	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x5_RGBA]		= vector<deUint32>();
2202	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x6_RGBA]		= vector<deUint32>();
2203	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x5_RGBA]		= vector<deUint32>();
2204	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x6_RGBA]		= vector<deUint32>();
2205	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x8_RGBA]		= vector<deUint32>();
2206	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x5_RGBA]	= vector<deUint32>();
2207	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x6_RGBA]	= vector<deUint32>();
2208	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x8_RGBA]	= vector<deUint32>();
2209	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x10_RGBA]	= vector<deUint32>();
2210	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x10_RGBA]	= vector<deUint32>();
2211	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x12_RGBA]	= vector<deUint32>();
2212
2213	// VIEWCLASS_EAC_R11
2214	compressedTextureFormatViewClasses[VIEWCLASS_EAC_R11].push_back(GL_COMPRESSED_R11_EAC);
2215	compressedTextureFormatViewClasses[VIEWCLASS_EAC_R11].push_back(GL_COMPRESSED_SIGNED_R11_EAC);
2216
2217	// VIEWCLASS_EAC_RG11
2218	compressedTextureFormatViewClasses[VIEWCLASS_EAC_RG11].push_back(GL_COMPRESSED_RG11_EAC);
2219	compressedTextureFormatViewClasses[VIEWCLASS_EAC_RG11].push_back(GL_COMPRESSED_SIGNED_RG11_EAC);
2220
2221	// VIEWCLASS_ETC2_RGB
2222	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGB].push_back(GL_COMPRESSED_RGB8_ETC2);
2223	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGB].push_back(GL_COMPRESSED_SRGB8_ETC2);
2224
2225	// VIEWCLASS_ETC2_RGBA
2226	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGBA].push_back(GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2);
2227	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGBA].push_back(GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2);
2228
2229	// VIEWCLASS_ETC2_EAC_RGBA
2230	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_EAC_RGBA].push_back(GL_COMPRESSED_RGBA8_ETC2_EAC);
2231	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_EAC_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC);
2232
2233	// VIEWCLASS_ASTC_4x4_RGBA
2234	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_4x4_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_4x4_KHR);
2235	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_4x4_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR);
2236
2237	// VIEWCLASS_ASTC_5x4_RGBA
2238	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x4_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_5x4_KHR);
2239	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x4_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR);
2240
2241	// VIEWCLASS_ASTC_5x5_RGBA
2242	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x5_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_5x5_KHR);
2243	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x5_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR);
2244
2245	// VIEWCLASS_ASTC_6x5_RGBA
2246	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x5_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_6x5_KHR);
2247	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x5_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR);
2248
2249	// VIEWCLASS_ASTC_6x6_RGBA
2250	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x6_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_6x6_KHR);
2251	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x6_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR);
2252
2253	// VIEWCLASS_ASTC_8x5_RGBA
2254	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x5_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_8x5_KHR);
2255	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x5_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR);
2256
2257	// VIEWCLASS_ASTC_8x6_RGBA
2258	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x6_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_8x6_KHR);
2259	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x6_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR);
2260
2261	// VIEWCLASS_ASTC_8x8_RGBA
2262	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x8_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_8x8_KHR);
2263	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x8_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR);
2264
2265	// VIEWCLASS_ASTC_10x5_RGBA
2266	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x5_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_10x5_KHR);
2267	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x5_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR);
2268
2269	// VIEWCLASS_ASTC_10x6_RGBA
2270	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x6_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_10x6_KHR);
2271	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x6_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR);
2272
2273	// VIEWCLASS_ASTC_10x8_RGBA
2274	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x8_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_10x8_KHR);
2275	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x8_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR);
2276
2277	// VIEWCLASS_ASTC_10x10_RGBA
2278	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x10_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_10x10_KHR);
2279	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x10_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR);
2280
2281	// VIEWCLASS_ASTC_12x10_RGBA
2282	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x10_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_12x10_KHR);
2283	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x10_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR);
2284
2285	// VIEWCLASS_ASTC_12x12_RGBA
2286	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x12_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_12x12_KHR);
2287	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x12_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR);
2288
2289	// Mixed view classes
2290	mixedViewClasses[VIEWCLASS_128_BITS] = pair<vector<deUint32>, vector<deUint32> >();
2291	mixedViewClasses[VIEWCLASS_64_BITS] = pair<vector<deUint32>, vector<deUint32> >();
2292
2293	// 128 bits
2294
2295	// Non compressed
2296	mixedViewClasses[VIEWCLASS_128_BITS].first.push_back(GL_RGBA32F);
2297	mixedViewClasses[VIEWCLASS_128_BITS].first.push_back(GL_RGBA32UI);
2298	mixedViewClasses[VIEWCLASS_128_BITS].first.push_back(GL_RGBA32I);
2299
2300	// Compressed
2301	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA8_ETC2_EAC);
2302	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC);
2303	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RG11_EAC);
2304	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SIGNED_RG11_EAC);
2305	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_4x4_KHR);
2306	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_5x4_KHR);
2307	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_5x5_KHR);
2308	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_6x5_KHR);
2309	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_6x6_KHR);
2310	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_8x5_KHR);
2311	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_8x6_KHR);
2312	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_8x8_KHR);
2313	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_10x5_KHR);
2314	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_10x6_KHR);
2315	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_10x8_KHR);
2316	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_10x10_KHR);
2317	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_12x10_KHR);
2318	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_12x12_KHR);
2319	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR);
2320	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR);
2321	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR);
2322	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR);
2323	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR);
2324	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR);
2325	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR);
2326	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR);
2327	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR);
2328	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR);
2329	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR);
2330	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR);
2331	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR);
2332	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR);
2333
2334	// 64 bits
2335
2336	// Non compressed
2337	mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RGBA16F);
2338	mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RGBA16UI);
2339	mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RGBA16I);
2340
2341	mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RG32F);
2342	mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RG32UI);
2343	mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RG32I);
2344
2345	// Compressed
2346	mixedViewClasses[VIEWCLASS_64_BITS].second.push_back(GL_COMPRESSED_R11_EAC);
2347	mixedViewClasses[VIEWCLASS_64_BITS].second.push_back(GL_COMPRESSED_SIGNED_R11_EAC);
2348
2349	for (map<ViewClass, vector<deUint32> >::const_iterator viewClassIter = textureFormatViewClasses.begin(); viewClassIter != textureFormatViewClasses.end(); ++viewClassIter)
2350	{
2351		const vector<deUint32>&	formats		= viewClassIter->second;
2352		const ViewClass			viewClass	= viewClassIter->first;
2353		TestCaseGroup* const	viewGroup	= new TestCaseGroup(m_context, viewClassToName(viewClass), viewClassToName(viewClass));
2354
2355		nonCompressedGroup->addChild(viewGroup);
2356
2357		for (int srcFormatNdx = 0; srcFormatNdx < (int)formats.size(); srcFormatNdx++)
2358		for (int dstFormatNdx = 0; dstFormatNdx < (int)formats.size(); dstFormatNdx++)
2359		{
2360			const deUint32 srcFormat = formats[srcFormatNdx];
2361			const deUint32 dstFormat = formats[dstFormatNdx];
2362
2363			if (srcFormat != dstFormat && isFloatFormat(srcFormat) && isFloatFormat(dstFormat))
2364				continue;
2365
2366			addCopyTests(viewGroup, srcFormat, dstFormat);
2367		}
2368	}
2369
2370	for (map<ViewClass, vector<deUint32> >::const_iterator viewClassIter = compressedTextureFormatViewClasses.begin(); viewClassIter != compressedTextureFormatViewClasses.end(); ++viewClassIter)
2371	{
2372		const vector<deUint32>&	formats		= viewClassIter->second;
2373		const ViewClass			viewClass	= viewClassIter->first;
2374		TestCaseGroup* const	viewGroup	= new TestCaseGroup(m_context, viewClassToName(viewClass), viewClassToName(viewClass));
2375
2376		compressedGroup->addChild(viewGroup);
2377
2378		for (int srcFormatNdx = 0; srcFormatNdx < (int)formats.size(); srcFormatNdx++)
2379		for (int dstFormatNdx = 0; dstFormatNdx < (int)formats.size(); dstFormatNdx++)
2380		{
2381			const deUint32 srcFormat = formats[srcFormatNdx];
2382			const deUint32 dstFormat = formats[dstFormatNdx];
2383
2384			if (srcFormat != dstFormat && isFloatFormat(srcFormat) && isFloatFormat(dstFormat))
2385				continue;
2386
2387			addCopyTests(viewGroup, srcFormat, dstFormat);
2388		}
2389	}
2390
2391	for (map<ViewClass, pair<vector<deUint32>, vector<deUint32> > >::const_iterator iter = mixedViewClasses.begin(); iter != mixedViewClasses.end(); ++iter)
2392	{
2393		const ViewClass			viewClass				= iter->first;
2394		const string			viewClassName			= string(viewClassToName(viewClass)) + "_mixed";
2395		TestCaseGroup* const	viewGroup				= new TestCaseGroup(m_context, viewClassName.c_str(), viewClassName.c_str());
2396
2397		const vector<deUint32>	nonCompressedFormats	= iter->second.first;
2398		const vector<deUint32>	compressedFormats		= iter->second.second;
2399
2400		mixedGroup->addChild(viewGroup);
2401
2402		for (int srcFormatNdx = 0; srcFormatNdx < (int)nonCompressedFormats.size(); srcFormatNdx++)
2403		for (int dstFormatNdx = 0; dstFormatNdx < (int)compressedFormats.size(); dstFormatNdx++)
2404		{
2405			const deUint32 srcFormat = nonCompressedFormats[srcFormatNdx];
2406			const deUint32 dstFormat = compressedFormats[dstFormatNdx];
2407
2408			if (srcFormat != dstFormat && isFloatFormat(srcFormat) && isFloatFormat(dstFormat))
2409				continue;
2410
2411			addCopyTests(viewGroup, srcFormat, dstFormat);
2412			addCopyTests(viewGroup, dstFormat, srcFormat);
2413		}
2414	}
2415}
2416
2417} // anonymous
2418
2419TestCaseGroup* createCopyImageTests (Context& context)
2420{
2421	return new CopyImageTests(context);
2422}
2423
2424} // Functional
2425} // gles31
2426} // deqp
2427