es31fCopyImageTests.cpp revision 9ea37879e8c0ecc8a8973b3d5194d4dc12f21360 
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
173string formatToName (deUint32 format)
174{
175	string enumName;
176
177	if (glu::isCompressedFormat(format))
178		enumName = glu::getCompressedTexFormatStr(format).toString().substr(14); // Strip GL_COMPRESSED_
179	else
180		enumName = glu::getPixelFormatStr(format).toString().substr(3); // Strip GL_
181
182	return de::toLower(enumName);
183}
184
185bool isFloatFormat (deUint32 format)
186{
187	if (glu::isCompressedFormat(format))
188		return false;
189	else
190		return tcu::getTextureChannelClass(glu::mapGLInternalFormat(format).type) == tcu::TEXTURECHANNELCLASS_FLOATING_POINT;
191}
192
193bool isUintFormat (deUint32 format)
194{
195	if (glu::isCompressedFormat(format))
196		return false;
197	else
198		return tcu::getTextureChannelClass(glu::mapGLInternalFormat(format).type) == tcu::TEXTURECHANNELCLASS_UNSIGNED_INTEGER;
199}
200
201bool isIntFormat (deUint32 format)
202{
203	if (glu::isCompressedFormat(format))
204		return false;
205	else
206		return tcu::getTextureChannelClass(glu::mapGLInternalFormat(format).type) == tcu::TEXTURECHANNELCLASS_SIGNED_INTEGER;
207}
208
209bool isTextureTarget (deUint32 target)
210{
211	return target != GL_RENDERBUFFER;
212}
213
214int getTargetTexDims (deUint32 target)
215{
216	DE_ASSERT(isTextureTarget(target));
217
218	switch (target)
219	{
220		case GL_TEXTURE_1D:
221			return 1;
222
223		case GL_TEXTURE_1D_ARRAY:
224		case GL_TEXTURE_2D:
225		case GL_TEXTURE_CUBE_MAP:
226			return 2;
227
228		case GL_TEXTURE_2D_ARRAY:
229		case GL_TEXTURE_3D:
230			return 3;
231
232		default:
233			DE_ASSERT(false);
234			return -1;
235	}
236}
237
238class ImageInfo
239{
240public:
241					ImageInfo		(deUint32 format, deUint32 target, const IVec3& size);
242
243	deUint32		getFormat		(void) const { return m_format; }
244	deUint32		getTarget		(void) const { return m_target; }
245	const IVec3&	getSize			(void) const { return m_size; }
246
247private:
248	deUint32		m_format;
249	deUint32		m_target;
250	IVec3			m_size;
251};
252
253ImageInfo::ImageInfo (deUint32 format, deUint32 target, const IVec3& size)
254	: m_format		(format)
255	, m_target		(target)
256	, m_size		(size)
257{
258	DE_ASSERT(m_target == GL_TEXTURE_2D_ARRAY || m_target == GL_TEXTURE_3D || m_size.z() == 1);
259	DE_ASSERT(isTextureTarget(m_target) || !glu::isCompressedFormat(m_target));
260}
261
262
263SeedBuilder& operator<< (SeedBuilder& builder, const ImageInfo& info)
264{
265	builder << info.getFormat() << info.getTarget() << info.getSize();
266	return builder;
267}
268
269const glu::ObjectTraits& getObjectTraits (const ImageInfo& info)
270{
271	if (isTextureTarget(info.getTarget()))
272		return glu::objectTraits(glu::OBJECTTYPE_TEXTURE);
273	else
274		return glu::objectTraits(glu::OBJECTTYPE_RENDERBUFFER);
275}
276
277int getLevelCount (const ImageInfo& info)
278{
279	const deUint32	target	= info.getTarget();
280	const IVec3		size	= info.getSize();
281
282	if (target == GL_RENDERBUFFER)
283		return 1;
284	else if (target == GL_TEXTURE_2D_ARRAY)
285	{
286		const int maxSize = de::max(size.x(), size.y());
287
288		return deLog2Ceil32(maxSize);
289	}
290	else
291	{
292		const int maxSize = de::max(size.x(), de::max(size.y(), size.z()));
293
294		return deLog2Ceil32(maxSize);
295	}
296}
297
298// Return format that has more restrictions on texel data.
299deUint32 getMoreRestrictiveFormat (deUint32 formatA, deUint32 formatB)
300{
301	if (formatA == formatB)
302		return formatA;
303	else if (glu::isCompressedFormat(formatA) && isAstcFormat(glu::mapGLCompressedTexFormat(formatA)))
304		return formatA;
305	else if (glu::isCompressedFormat(formatB) && isAstcFormat(glu::mapGLCompressedTexFormat(formatB)))
306		return formatB;
307	else if (isFloatFormat(formatA))
308	{
309		DE_ASSERT(!isFloatFormat(formatB));
310
311		return formatA;
312	}
313	else if (isFloatFormat(formatB))
314	{
315		DE_ASSERT(!isFloatFormat(formatA));
316
317		return formatB;
318	}
319	else if (glu::isCompressedFormat(formatA))
320	{
321		return formatA;
322	}
323	else if (glu::isCompressedFormat(formatB))
324	{
325		return formatB;
326	}
327	else
328		return formatA;
329}
330
331int getTexelBlockSize (deUint32 format)
332{
333	if (glu::isCompressedFormat(format))
334		return tcu::getBlockSize(glu::mapGLCompressedTexFormat(format));
335	else
336		return glu::mapGLInternalFormat(format).getPixelSize();
337}
338
339IVec3 getTexelBlockPixelSize (deUint32 format)
340{
341	if (glu::isCompressedFormat(format))
342		return tcu::getBlockPixelSize(glu::mapGLCompressedTexFormat(format));
343	else
344		return IVec3(1, 1, 1);
345}
346
347IVec3 getLevelSize (deUint32 target, const IVec3& baseSize, int level)
348{
349	IVec3 size;
350
351	if (target != GL_TEXTURE_2D_ARRAY)
352	{
353		for (int i = 0; i < 3; i++)
354			size[i] = de::max(baseSize[i] >> level, 1);
355	}
356	else
357	{
358		for (int i = 0; i < 2; i++)
359			size[i] = de::max(baseSize[i] >> level, 1);
360
361		size[2] = baseSize[2];
362	}
363
364	return size;
365}
366
367bool isColorRenderable (deUint32 format)
368{
369	switch (format)
370	{
371		case GL_R8:
372		case GL_RG8:
373		case GL_RGB8:
374		case GL_RGB565:
375		case GL_RGB4:
376		case GL_RGB5_A1:
377		case GL_RGBA8:
378		case GL_RGB10_A2:
379		case GL_RGB10_A2UI:
380		case GL_SRGB8_ALPHA8:
381		case GL_R8I:
382		case GL_R8UI:
383		case GL_R16I:
384		case GL_R16UI:
385		case GL_R32I:
386		case GL_R32UI:
387		case GL_RG8I:
388		case GL_RG8UI:
389		case GL_RG16I:
390		case GL_RG16UI:
391		case GL_RG32I:
392		case GL_RG32UI:
393		case GL_RGBA8I:
394		case GL_RGBA8UI:
395		case GL_RGBA16I:
396		case GL_RGBA16UI:
397		case GL_RGBA32I:
398		case GL_RGBA32UI:
399			return true;
400
401		default:
402			return false;
403	}
404}
405
406deUint32 getTypeForInternalFormat (deUint32 format)
407{
408	return glu::getTransferFormat(glu::mapGLInternalFormat(format)).dataType;
409}
410
411void genTexel (de::Random& rng, deUint32 glFormat, int texelBlockSize, const int texelCount, deUint8* buffer)
412{
413	if (isFloatFormat(glFormat))
414	{
415		const tcu::TextureFormat		format	= glu::mapGLInternalFormat(glFormat);
416		const tcu::PixelBufferAccess	access	(format, texelCount, 1, 1, buffer);
417		const tcu::TextureFormatInfo	info	= tcu::getTextureFormatInfo(format);
418
419		for (int texelNdx = 0; texelNdx < texelCount; texelNdx++)
420		{
421			const float	red		= rng.getFloat(info.valueMin.x(), info.valueMax.x());
422			const float green	= rng.getFloat(info.valueMin.y(), info.valueMax.y());
423			const float blue	= rng.getFloat(info.valueMin.z(), info.valueMax.z());
424			const float alpha	= rng.getFloat(info.valueMin.w(), info.valueMax.w());
425
426			const Vec4	color	(red, green, blue, alpha);
427
428			access.setPixel(color, texelNdx, 0, 0);
429		}
430	}
431	else if (glu::isCompressedFormat(glFormat))
432	{
433		const tcu::CompressedTexFormat compressedFormat = glu::mapGLCompressedTexFormat(glFormat);
434
435		if (tcu::isAstcFormat(compressedFormat))
436		{
437			const int		BLOCK_SIZE				= 16;
438			const deUint8	blocks[][BLOCK_SIZE]	=
439			{
440				// \note All of the following blocks are valid in LDR mode.
441				{ 252,	253,	255,	255,	255,	255,	255,	255,	8,		71,		90,		78,		22,		17,		26,		66,		},
442				{ 252,	253,	255,	255,	255,	255,	255,	255,	220,	74,		139,	235,	249,	6,		145,	125		},
443				{ 252,	253,	255,	255,	255,	255,	255,	255,	223,	251,	28,		206,	54,		251,	160,	174		},
444				{ 252,	253,	255,	255,	255,	255,	255,	255,	39,		4,		153,	219,	180,	61,		51,		37		},
445				{ 67,	2,		0,		254,	1,		0,		64,		215,	83,		211,	159,	105,	41,		140,	50,		2		},
446				{ 67,	130,	0,		170,	84,		255,	65,		215,	83,		211,	159,	105,	41,		140,	50,		2		},
447				{ 67,	2,		129,	38,		51,		229,	95,		215,	83,		211,	159,	105,	41,		140,	50,		2		},
448				{ 67,	130,	193,	56,		213,	144,	95,		215,	83,		211,	159,	105,	41,		140,	50,		2		}
449			};
450
451			DE_ASSERT(texelBlockSize == BLOCK_SIZE);
452
453			for (int i = 0; i < texelCount; i++)
454			{
455				const int blockNdx = rng.getInt(0, DE_LENGTH_OF_ARRAY(blocks)-1);
456
457				deMemcpy(buffer + i * BLOCK_SIZE,  blocks[blockNdx], BLOCK_SIZE);
458			}
459		}
460		else
461		{
462			for (int i = 0; i < texelBlockSize * texelCount; i++)
463			{
464				const deUint8 val = rng.getUint8();
465
466				buffer[i] = val;
467			}
468		}
469	}
470	else
471	{
472		for (int i = 0; i < texelBlockSize * texelCount; i++)
473		{
474			const deUint8 val = rng.getUint8();
475
476			buffer[i] = val;
477		}
478	}
479}
480
481IVec3 divRoundUp (const IVec3& a, const IVec3& b)
482{
483	IVec3 res;
484
485	for (int i =0; i < 3; i++)
486		res[i] = a[i] / b[i] + ((a[i] % b[i]) ? 1 : 0);
487
488	return res;
489}
490
491deUint32 mapFaceNdxToFace (int ndx)
492{
493	const deUint32 cubeFaces[] =
494	{
495		GL_TEXTURE_CUBE_MAP_POSITIVE_X,
496		GL_TEXTURE_CUBE_MAP_NEGATIVE_X,
497
498		GL_TEXTURE_CUBE_MAP_POSITIVE_Y,
499		GL_TEXTURE_CUBE_MAP_NEGATIVE_Y,
500
501		GL_TEXTURE_CUBE_MAP_POSITIVE_Z,
502		GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
503	};
504
505	return de::getSizedArrayElement(cubeFaces, ndx);
506}
507
508deUint32 getFormatForInternalFormat (deUint32 format)
509{
510	return glu::getTransferFormat(glu::mapGLInternalFormat(format)).format;
511}
512
513void genericTexImage (const glw::Functions&	gl,
514					  deUint32				target,
515					  int					faceNdx,
516					  int					level,
517					  const IVec3&			size,
518					  deUint32				format,
519					  size_t				dataSize,
520					  const void*			data)
521{
522	const deUint32 glTarget = (target == GL_TEXTURE_CUBE_MAP ? mapFaceNdxToFace(faceNdx) : target);
523
524	DE_ASSERT(target == GL_TEXTURE_CUBE_MAP || faceNdx == 0);
525
526	if (glu::isCompressedFormat(format))
527	{
528		switch (getTargetTexDims(target))
529		{
530			case 2:
531				DE_ASSERT(size.z() == 1);
532				gl.compressedTexImage2D(glTarget, level, format, (glw::GLsizei)size.x(), (glw::GLsizei)size.y(), 0, (glw::GLsizei)dataSize, data);
533				GLU_EXPECT_NO_ERROR(gl.getError(), "glCompressedTexImage2D failed.");
534				break;
535
536			case 3:
537				gl.compressedTexImage3D(glTarget, level, format, (glw::GLsizei)size.x(), (glw::GLsizei)size.y(), (glw::GLsizei)size.z(), 0, (glw::GLsizei)dataSize, data);
538				GLU_EXPECT_NO_ERROR(gl.getError(), "glCompressedTexImage3D failed.");
539				break;
540
541			default:
542				DE_ASSERT(false);
543		}
544	}
545	else
546	{
547		const deUint32	glFormat	= getFormatForInternalFormat(format);
548		const deUint32	glType		= getTypeForInternalFormat(format);
549
550		switch (getTargetTexDims(target))
551		{
552			case 2:
553				DE_ASSERT(size.z() == 1);
554				gl.texImage2D(glTarget, level, format, (glw::GLsizei)size.x(), (glw::GLsizei)size.y(), 0, glFormat, glType, data);
555				GLU_EXPECT_NO_ERROR(gl.getError(), "glTexImage2D failed.");
556				break;
557
558			case 3:
559				gl.texImage3D(glTarget, level, format, (glw::GLsizei)size.x(), (glw::GLsizei)size.y(), (glw::GLsizei)size.z(), 0, glFormat, glType, data);
560				GLU_EXPECT_NO_ERROR(gl.getError(), "glTexImage3D failed.");
561				break;
562
563			default:
564				DE_ASSERT(false);
565		}
566	}
567}
568
569void genTextureImage (const glw::Functions&				gl,
570					  de::Random&						rng,
571					  deUint32							name,
572					  vector<ArrayBuffer<deUint8> >&	levels,
573					  const ImageInfo&					info,
574					  deUint32							moreRestrictiveFormat)
575{
576	const int		texelBlockSize			= getTexelBlockSize(info.getFormat());
577	const IVec3		texelBlockPixelSize 	= getTexelBlockPixelSize(info.getFormat());
578	const IVec3		size					= info.getSize();
579
580	levels.resize(getLevelCount(info));
581
582	gl.pixelStorei(GL_UNPACK_ALIGNMENT, 1);
583	GLU_EXPECT_NO_ERROR(gl.getError(), "Setting pixel store aligment failed.");
584
585	gl.bindTexture(info.getTarget(), name);
586	GLU_EXPECT_NO_ERROR(gl.getError(), "Binding texture failed.");
587
588	for (int levelNdx = 0; levelNdx < getLevelCount(info); levelNdx++)
589	{
590		ArrayBuffer<deUint8>&	level					= levels[levelNdx];
591
592		const int				faceCount				= (info.getTarget() == GL_TEXTURE_CUBE_MAP ? 6 : 1);
593
594		const IVec3				levelPixelSize			= getLevelSize(info.getTarget(), info.getSize(), levelNdx);
595		const IVec3				levelTexelBlockSize		= divRoundUp(levelPixelSize, texelBlockPixelSize);
596		const int				levelTexelBlockCount	= levelTexelBlockSize.x() * levelTexelBlockSize.y() * levelTexelBlockSize.z();
597		const int				levelSize 				= levelTexelBlockCount * texelBlockSize;
598
599		level.setStorage(levelSize * faceCount);
600
601		for (int faceNdx = 0; faceNdx < faceCount; faceNdx++)
602		{
603			genTexel(rng, moreRestrictiveFormat, texelBlockSize, levelTexelBlockCount, level.getElementPtr(faceNdx * levelSize));
604
605			genericTexImage(gl, info.getTarget(), faceNdx, levelNdx, levelPixelSize, info.getFormat(), levelSize, level.getElementPtr(faceNdx * levelSize));
606		}
607	}
608
609	gl.texParameteri(info.getTarget(), GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
610	gl.texParameteri(info.getTarget(), GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
611
612	if (info.getTarget() == GL_TEXTURE_3D)
613		gl.texParameteri(info.getTarget(), GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
614
615	gl.texParameteri(info.getTarget(), GL_TEXTURE_MIN_FILTER, GL_NEAREST);
616	gl.texParameteri(info.getTarget(), GL_TEXTURE_MAG_FILTER, GL_NEAREST);
617	GLU_EXPECT_NO_ERROR(gl.getError(), "Setting texture parameters failed");
618
619	gl.bindTexture(info.getTarget(), 0);
620	GLU_EXPECT_NO_ERROR(gl.getError(), "Unbinding texture failed.");
621}
622
623void genRenderbufferImage (const glw::Functions&			gl,
624						   de::Random&						rng,
625						   deUint32							name,
626						   vector<ArrayBuffer<deUint8> >&	levels,
627						   const ImageInfo&					info,
628						   deUint32							moreRestrictiveFormat)
629{
630	const IVec3					size	= info.getSize();
631	const tcu::TextureFormat	format	= glu::mapGLInternalFormat(info.getFormat());
632
633	DE_ASSERT(info.getTarget() == GL_RENDERBUFFER);
634	DE_ASSERT(info.getSize().z() == 1);
635	DE_ASSERT(getLevelCount(info) == 1);
636	DE_ASSERT(!glu::isCompressedFormat(info.getFormat()));
637
638	glu::Framebuffer framebuffer(gl);
639
640	levels.resize(1);
641	levels[0].setStorage(format.getPixelSize() * size.x() * size.y());
642	tcu::PixelBufferAccess refAccess(format, size.x(), size.y(), 1, levels[0].getPtr());
643
644	gl.bindRenderbuffer(GL_RENDERBUFFER, name);
645	gl.renderbufferStorage(GL_RENDERBUFFER, info.getFormat(), info.getSize().x(), info.getSize().y());
646	GLU_EXPECT_NO_ERROR(gl.getError(), "Binding and setting storage for renderbuffer failed.");
647
648	gl.bindFramebuffer(GL_FRAMEBUFFER, *framebuffer);
649	gl.framebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, name);
650	GLU_EXPECT_NO_ERROR(gl.getError(), "Binding framebuffer and attaching renderbuffer failed.");
651
652	{
653		vector<deUint8> texelBlock(format.getPixelSize());
654
655		genTexel(rng, moreRestrictiveFormat, format.getPixelSize(), 1, &(texelBlock[0]));
656
657		{
658			const tcu::ConstPixelBufferAccess texelAccess (format, 1, 1, 1, &(texelBlock[0]));
659
660			if (isFloatFormat(info.getFormat()))
661			{
662				const tcu::Vec4 color = texelAccess.getPixel(0, 0, 0);
663
664				gl.clearBufferfv(GL_COLOR, 0, (const float*)&color);
665				GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to clear renderbuffer.");
666
667				tcu::clear(refAccess, color);
668			}
669			else if (isIntFormat(info.getFormat()))
670			{
671				const tcu::IVec4 color = texelAccess.getPixelInt(0, 0, 0);
672
673				gl.clearBufferiv(GL_COLOR, 0, (const deInt32*)&color);
674				GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to clear renderbuffer.");
675
676				tcu::clear(refAccess, color);
677			}
678			else if (isUintFormat(info.getFormat()))
679			{
680				const tcu::IVec4 color = texelAccess.getPixelInt(0, 0, 0);
681
682				gl.clearBufferuiv(GL_COLOR, 0, (const deUint32*)&color);
683				GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to clear renderbuffer.");
684
685				tcu::clear(refAccess, color);
686			}
687			else
688			{
689				const tcu::Vec4 color = texelAccess.getPixel(0, 0, 0);
690
691				gl.clearColor(color.x(), color.y(), color.z(), color.w());
692				gl.clear(GL_COLOR_BUFFER_BIT);
693				GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to clear renderbuffer.");
694
695				tcu::clear(refAccess, color);
696			}
697		}
698	}
699
700	gl.bindRenderbuffer(GL_RENDERBUFFER, 0);
701	gl.bindFramebuffer(GL_FRAMEBUFFER, 0);
702	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind renderbufer and framebuffer.");
703}
704
705
706
707void genImage (const glw::Functions&			gl,
708			   de::Random&						rng,
709			   deUint32							name,
710			   vector<ArrayBuffer<deUint8> >&	levels,
711			   const ImageInfo&					info,
712			   deUint32							moreRestrictiveFormat)
713{
714	if (isTextureTarget(info.getTarget()))
715		genTextureImage(gl, rng, name, levels, info, moreRestrictiveFormat);
716	else
717		genRenderbufferImage(gl, rng, name, levels, info, moreRestrictiveFormat);
718}
719
720IVec3 getTexelBlockStride (const ImageInfo& info, int level)
721{
722	const IVec3	size					= getLevelSize(info.getTarget(), info.getSize(), level);
723	const int	texelBlockSize			= getTexelBlockSize(info.getFormat());
724	const IVec3 texelBlockPixelSize		= getTexelBlockPixelSize(info.getFormat());
725	const IVec3 textureTexelBlockSize	= divRoundUp(size, texelBlockPixelSize);
726
727	return IVec3(texelBlockSize, textureTexelBlockSize.x() * texelBlockSize, textureTexelBlockSize.x() * textureTexelBlockSize.y() * texelBlockSize);
728}
729
730int sumComponents (const IVec3& v)
731{
732	int s = 0;
733
734	for (int i = 0; i < 3; i++)
735		s += v[i];
736
737	return s;
738}
739
740void copyImageData (vector<ArrayBuffer<deUint8> >&			dstImageData,
741					const ImageInfo&						dstImageInfo,
742					int										dstLevel,
743					const IVec3&							dstPos,
744
745					const vector<ArrayBuffer<deUint8> >&	srcImageData,
746					const ImageInfo&						srcImageInfo,
747					int										srcLevel,
748					const IVec3&							srcPos,
749
750					const IVec3&							copySize)
751{
752	const ArrayBuffer<deUint8>&	srcLevelData			= srcImageData[srcLevel];
753	ArrayBuffer<deUint8>&		dstLevelData			= dstImageData[dstLevel];
754
755	const IVec3					srcTexelBlockPixelSize	= getTexelBlockPixelSize(srcImageInfo.getFormat());
756	const int					srcTexelBlockSize		= getTexelBlockSize(srcImageInfo.getFormat());
757	const IVec3					srcTexelPos				= srcPos / srcTexelBlockPixelSize;
758	const IVec3					srcTexelBlockStride		= getTexelBlockStride(srcImageInfo, srcLevel);
759
760	const IVec3					dstTexelBlockPixelSize	= getTexelBlockPixelSize(dstImageInfo.getFormat());
761	const int					dstTexelBlockSize		= getTexelBlockSize(dstImageInfo.getFormat());
762	const IVec3					dstTexelPos				= dstPos / dstTexelBlockPixelSize;
763	const IVec3					dstTexelBlockStride		= getTexelBlockStride(dstImageInfo, dstLevel);
764
765	const IVec3					copyTexelBlockCount		= copySize / srcTexelBlockPixelSize;
766	const int					texelBlockSize			= srcTexelBlockSize;
767
768	DE_ASSERT(srcTexelBlockSize == dstTexelBlockSize);
769	DE_UNREF(dstTexelBlockSize);
770
771	DE_ASSERT((copySize.x() % srcTexelBlockPixelSize.x()) == 0);
772	DE_ASSERT((copySize.y() % srcTexelBlockPixelSize.y()) == 0);
773	DE_ASSERT((copySize.z() % srcTexelBlockPixelSize.z()) == 0);
774
775	DE_ASSERT((srcPos.x() % srcTexelBlockPixelSize.x()) == 0);
776	DE_ASSERT((srcPos.y() % srcTexelBlockPixelSize.y()) == 0);
777	DE_ASSERT((srcPos.z() % srcTexelBlockPixelSize.z()) == 0);
778
779	for (int z = 0; z < copyTexelBlockCount.z(); z++)
780	for (int y = 0; y < copyTexelBlockCount.y(); y++)
781	{
782		const IVec3				blockPos		(0, y, z);
783		const deUint8* const	srcPtr			= srcLevelData.getElementPtr(sumComponents((srcTexelPos + blockPos) * srcTexelBlockStride));
784		deUint8* const			dstPtr			= dstLevelData.getElementPtr(sumComponents((dstTexelPos + blockPos) * dstTexelBlockStride));
785		const int				copyLineSize	= copyTexelBlockCount.x() * texelBlockSize;
786
787		deMemcpy(dstPtr, srcPtr, copyLineSize);
788	}
789}
790
791vector<tcu::ConstPixelBufferAccess> getLevelAccesses (const vector<ArrayBuffer<deUint8> >& data, const ImageInfo& info)
792{
793	const tcu::TextureFormat			format	= glu::mapGLInternalFormat(info.getFormat());
794	const IVec3							size	= info.getSize();
795
796	vector<tcu::ConstPixelBufferAccess>	result;
797
798	DE_ASSERT((int)data.size() == getLevelCount(info));
799
800	for (int level = 0; level < (int)data.size(); level++)
801	{
802		const IVec3 levelSize = getLevelSize(info.getTarget(), size, level);
803
804		result.push_back(tcu::ConstPixelBufferAccess(format, levelSize.x(), levelSize.y(), levelSize.z(), data[level].getPtr()));
805	}
806
807	return result;
808}
809
810vector<tcu::ConstPixelBufferAccess> getCubeLevelAccesses (const vector<ArrayBuffer<deUint8> >&	data,
811														  const ImageInfo&						info,
812														  int									faceNdx)
813{
814	const tcu::TextureFormat			format				= glu::mapGLInternalFormat(info.getFormat());
815	const IVec3							size				= info.getSize();
816	const int							texelBlockSize		= getTexelBlockSize(info.getFormat());
817	const IVec3							texelBlockPixelSize = getTexelBlockPixelSize(info.getFormat());
818	vector<tcu::ConstPixelBufferAccess>	result;
819
820	DE_ASSERT(info.getTarget() == GL_TEXTURE_CUBE_MAP);
821	DE_ASSERT((int)data.size() == getLevelCount(info));
822
823	for (int level = 0; level < (int)data.size(); level++)
824	{
825		const IVec3 levelPixelSize			= getLevelSize(info.getTarget(), size, level);
826		const IVec3	levelTexelBlockSize		= divRoundUp(levelPixelSize, texelBlockPixelSize);
827		const int	levelTexelBlockCount	= levelTexelBlockSize.x() * levelTexelBlockSize.y() * levelTexelBlockSize.z();
828		const int	levelSize				= levelTexelBlockCount * texelBlockSize;
829
830		result.push_back(tcu::ConstPixelBufferAccess(format, levelPixelSize.x(), levelPixelSize.y(), levelPixelSize.z(), data[level].getElementPtr(levelSize * faceNdx)));
831	}
832
833	return result;
834}
835
836void copyImage (const glw::Functions&					gl,
837
838				deUint32								dstName,
839				vector<ArrayBuffer<deUint8> >&			dstImageData,
840				const ImageInfo&						dstImageInfo,
841				int										dstLevel,
842				const IVec3&							dstPos,
843
844				deUint32								srcName,
845				const vector<ArrayBuffer<deUint8> >&	srcImageData,
846				const ImageInfo&						srcImageInfo,
847				int										srcLevel,
848				const IVec3&							srcPos,
849
850				const IVec3&							copySize)
851{
852	gl.copyImageSubData(srcName, srcImageInfo.getTarget(), srcLevel, srcPos.x(), srcPos.y(), srcPos.z(),
853						dstName, dstImageInfo.getTarget(), dstLevel, dstPos.x(), dstPos.y(), dstPos.z(),
854						copySize.x(), copySize.y(), copySize.z());
855
856	GLU_EXPECT_NO_ERROR(gl.getError(), "glCopyImageSubData failed.");
857
858	copyImageData(dstImageData, dstImageInfo, dstLevel, dstPos,
859				  srcImageData, srcImageInfo, srcLevel, srcPos, copySize);
860}
861
862void verifyTexture2DView (tcu::TestContext&			testContext,
863						  glu::RenderContext&		renderContext,
864						  TextureRenderer&			renderer,
865						  tcu::ResultCollector&		results,
866						  de::Random&				rng,
867						  deUint32					name,
868						  const ImageInfo&			info,
869						  const tcu::Texture2DView&	refTexture)
870{
871	tcu::TestLog&					log				= testContext.getLog();
872	const glw::Functions&			gl				= renderContext.getFunctions();
873	const tcu::RGBA					threshold		= renderContext.getRenderTarget().getPixelFormat().getColorThreshold() + tcu::RGBA(1,1,1,1);
874	const tcu::TextureFormat		format			= refTexture.getLevel(0).getFormat();
875	const tcu::TextureFormatInfo	spec			= tcu::getTextureFormatInfo(format);
876
877	ReferenceParams					renderParams	(TEXTURETYPE_2D);
878
879	renderParams.samplerType	= getSamplerType(format);
880	renderParams.sampler		= Sampler(Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::NEAREST_MIPMAP_NEAREST, Sampler::NEAREST);
881	renderParams.colorScale		= spec.lookupScale;
882	renderParams.colorBias		= spec.lookupBias;
883
884	gl.activeTexture(GL_TEXTURE0);
885	gl.bindTexture(GL_TEXTURE_2D, name);
886	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to bind texture.");
887
888	gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
889	gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
890	gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
891	gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
892	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to setup texture filtering state.");
893
894	for (int level = 0; level < getLevelCount(info); level++)
895	{
896		const IVec3				levelSize		= getLevelSize(info.getTarget(), info.getSize(), level);
897		const RandomViewport	viewport		(renderContext.getRenderTarget(), levelSize.x(), levelSize.y(), rng.getUint32());
898
899		vector<float>			texCoord;
900		tcu::Surface			renderedFrame	(viewport.width, viewport.height);
901		tcu::Surface			referenceFrame	(viewport.width, viewport.height);
902
903		computeQuadTexCoord2D(texCoord, tcu::Vec2(0.0f, 0.0f), tcu::Vec2(1.0f, 1.0f));
904
905		// Setup base viewport.
906		gl.viewport(viewport.x, viewport.y, viewport.width, viewport.height);
907
908		// Draw.
909		renderer.renderQuad(0, &texCoord[0], renderParams);
910		glu::readPixels(renderContext, viewport.x, viewport.y, renderedFrame.getAccess());
911		GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to render and read pixels.");
912
913		// Compute reference.
914		sampleTexture(SurfaceAccess(referenceFrame, renderContext.getRenderTarget().getPixelFormat()), refTexture, &texCoord[0], renderParams);
915
916		// Compare and log.
917		if (!pixelThresholdCompare(log, ("Level" + de::toString(level)).c_str(), ("Render level " + de::toString(level)).c_str(), referenceFrame, renderedFrame, threshold, tcu::COMPARE_LOG_ON_ERROR))
918			results.fail("Image comparison of level " + de::toString(level) + " failed.");
919		else
920			log << TestLog::Message << "Image comparison of level " << level << " passed." << TestLog::EndMessage;
921	}
922
923	gl.bindTexture(GL_TEXTURE_2D, 0);
924	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind texture.");
925}
926
927void decompressTextureLevel (const tcu::TexDecompressionParams&		params,
928							 ArrayBuffer<deUint8>&					levelData,
929							 tcu::PixelBufferAccess& 				levelAccess,
930							 const tcu::CompressedTexFormat&		compressedFormat,
931							 const tcu::TextureFormat&				decompressedFormat,
932							 const IVec3&							levelPixelSize,
933							 const void*							data)
934{
935	levelData.setStorage(levelPixelSize.x() * levelPixelSize.y() * levelPixelSize.z() * decompressedFormat.getPixelSize());
936	levelAccess = tcu::PixelBufferAccess(decompressedFormat, levelPixelSize.x(), levelPixelSize.y(), levelPixelSize.z(), levelData.getPtr());
937
938	tcu::decompress(levelAccess, compressedFormat, (const deUint8*)data, params);
939}
940
941void decompressTexture (vector<ArrayBuffer<deUint8> >&			levelDatas,
942						vector<tcu::PixelBufferAccess>& 		levelAccesses,
943						glu::RenderContext&						renderContext,
944						const ImageInfo&						info,
945						const vector<ArrayBuffer<deUint8> >&	data)
946{
947	const tcu::CompressedTexFormat	compressedFormat	= glu::mapGLCompressedTexFormat(info.getFormat());
948	const tcu::TextureFormat		decompressedFormat	= tcu::getUncompressedFormat(compressedFormat);
949	const IVec3						size				= info.getSize();
950	de::UniquePtr<glu::ContextInfo>	ctxInfo				(glu::ContextInfo::create(renderContext));
951	tcu::TexDecompressionParams		decompressParams;
952
953	if (tcu::isAstcFormat(compressedFormat))
954	{
955		if (ctxInfo->isExtensionSupported("GL_KHR_texture_compression_astc_hdr"))
956			decompressParams = tcu::TexDecompressionParams(tcu::TexDecompressionParams::ASTCMODE_HDR);
957		else if (ctxInfo->isExtensionSupported("GL_KHR_texture_compression_astc_ldr"))
958			decompressParams = tcu::TexDecompressionParams(tcu::TexDecompressionParams::ASTCMODE_LDR);
959		else
960			DE_ASSERT(false);
961	}
962
963	levelDatas.resize(getLevelCount(info));
964	levelAccesses.resize(getLevelCount(info));
965
966	for (int level = 0; level < getLevelCount(info); level++)
967	{
968		const IVec3					levelPixelSize	= getLevelSize(info.getTarget(), size, level);
969		de::ArrayBuffer<deUint8>&	levelData		= levelDatas[level];
970		tcu::PixelBufferAccess&		levelAccess 	= levelAccesses[level];
971
972		decompressTextureLevel(decompressParams, levelData, levelAccess, compressedFormat, decompressedFormat, levelPixelSize, data[level].getPtr());
973	}
974}
975
976void verifyTexture2D (tcu::TestContext&						testContext,
977					  glu::RenderContext&					renderContext,
978					  TextureRenderer&						textureRenderer,
979					  tcu::ResultCollector&					results,
980					  de::Random&							rng,
981					  deUint32								name,
982					  const vector<ArrayBuffer<deUint8> >&	data,
983					  const ImageInfo&						info)
984{
985	if (glu::isCompressedFormat(info.getFormat()))
986	{
987		vector<de::ArrayBuffer<deUint8> >	levelDatas;
988		vector<tcu::PixelBufferAccess>		levelAccesses;
989
990		decompressTexture(levelDatas, levelAccesses, renderContext, info, data);
991
992		{
993			const tcu::Texture2DView refTexture((int)levelAccesses.size(), &(levelAccesses[0]));
994
995			verifyTexture2DView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture);
996		}
997	}
998	else
999	{
1000		const vector<tcu::ConstPixelBufferAccess>	levelAccesses	= getLevelAccesses(data, info);
1001		const tcu::Texture2DView					refTexture		((int)levelAccesses.size(), &(levelAccesses[0]));
1002
1003		verifyTexture2DView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture);
1004	}
1005}
1006
1007void verifyTexture3DView (tcu::TestContext&			testContext,
1008						  glu::RenderContext&		renderContext,
1009						  TextureRenderer&			renderer,
1010						  tcu::ResultCollector&		results,
1011						  de::Random&				rng,
1012						  deUint32					name,
1013						  const ImageInfo&			info,
1014						  const tcu::Texture3DView&	refTexture)
1015{
1016	tcu::TestLog&					log				= testContext.getLog();
1017	const glw::Functions&			gl				= renderContext.getFunctions();
1018	const tcu::RGBA					threshold		= renderContext.getRenderTarget().getPixelFormat().getColorThreshold() + tcu::RGBA(1,1,1,1);
1019	const tcu::TextureFormat		format			= refTexture.getLevel(0).getFormat();
1020	const tcu::TextureFormatInfo	spec			= tcu::getTextureFormatInfo(format);
1021
1022	ReferenceParams					renderParams	(TEXTURETYPE_3D);
1023
1024	renderParams.samplerType	= getSamplerType(format);
1025	renderParams.sampler		= Sampler(Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::NEAREST_MIPMAP_NEAREST, Sampler::NEAREST);
1026	renderParams.colorScale		= spec.lookupScale;
1027	renderParams.colorBias		= spec.lookupBias;
1028
1029	gl.activeTexture(GL_TEXTURE0);
1030	gl.bindTexture(GL_TEXTURE_3D, name);
1031	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to bind texture.");
1032
1033	gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
1034	gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
1035	gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
1036	gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
1037	gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
1038	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to setup texture filtering state.");
1039
1040	for (int level = 0; level < getLevelCount(info); level++)
1041	{
1042		const IVec3 levelSize = getLevelSize(info.getTarget(), info.getSize(), level);
1043
1044		for (int slice = 0; slice < levelSize.z(); slice++)
1045		{
1046			const RandomViewport	viewport		(renderContext.getRenderTarget(), levelSize.x(), levelSize.y(), rng.getUint32());
1047			const float				r				= (float(slice) + 0.5f) / levelSize.z();
1048			tcu::Surface			renderedFrame	(viewport.width, viewport.height);
1049			tcu::Surface			referenceFrame	(viewport.width, viewport.height);
1050			vector<float>			texCoord;
1051
1052			computeQuadTexCoord3D(texCoord, tcu::Vec3(0.0f, 0.0f, r), tcu::Vec3(1.0f, 1.0f, r), tcu::IVec3(0, 1, 2));
1053
1054			// Setup base viewport.
1055			gl.viewport(viewport.x, viewport.y, viewport.width, viewport.height);
1056
1057			// Draw.
1058			renderer.renderQuad(0, &texCoord[0], renderParams);
1059			glu::readPixels(renderContext, viewport.x, viewport.y, renderedFrame.getAccess());
1060			GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to render and read pixels.");
1061
1062			// Compute reference.
1063			sampleTexture(SurfaceAccess(referenceFrame, renderContext.getRenderTarget().getPixelFormat()), refTexture, &texCoord[0], renderParams);
1064
1065			// Compare and log.
1066			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))
1067				results.fail("Image comparison of level " + de::toString(level) + " and slice " + de::toString(slice) + " failed.");
1068			else
1069				log << TestLog::Message << "Image comparison of level " << level << " and slice " << slice << " passed." << TestLog::EndMessage;;
1070		}
1071	}
1072
1073	gl.bindTexture(GL_TEXTURE_3D, 0);
1074	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind texture.");
1075}
1076
1077void verifyTexture3D (tcu::TestContext&						testContext,
1078					  glu::RenderContext&					renderContext,
1079					  TextureRenderer&						textureRenderer,
1080					  tcu::ResultCollector&					results,
1081					  de::Random&							rng,
1082					  deUint32								name,
1083					  const vector<ArrayBuffer<deUint8> >&	data,
1084					  const ImageInfo&						info)
1085{
1086	if (glu::isCompressedFormat(info.getFormat()))
1087	{
1088		vector<de::ArrayBuffer<deUint8> >	levelDatas;
1089		vector<tcu::PixelBufferAccess>		levelAccesses;
1090
1091		decompressTexture(levelDatas, levelAccesses, renderContext, info, data);
1092
1093		{
1094			const tcu::Texture3DView refTexture((int)levelAccesses.size(), &(levelAccesses[0]));
1095
1096			verifyTexture3DView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture);
1097		}
1098	}
1099	else
1100	{
1101		const vector<tcu::ConstPixelBufferAccess>	levelAccesses	= getLevelAccesses(data, info);
1102		const tcu::Texture3DView					refTexture		((int)levelAccesses.size(), &(levelAccesses[0]));
1103
1104		verifyTexture3DView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture);
1105	}
1106}
1107
1108void verifyTextureCubemapView (tcu::TestContext&			testContext,
1109							   glu::RenderContext&			renderContext,
1110							   TextureRenderer&				renderer,
1111							   tcu::ResultCollector&		results,
1112							   de::Random&					rng,
1113							   deUint32						name,
1114							   const ImageInfo&				info,
1115							   const tcu::TextureCubeView&	refTexture)
1116{
1117	tcu::TestLog&					log				= testContext.getLog();
1118	const glw::Functions&			gl				= renderContext.getFunctions();
1119	const tcu::RGBA					threshold		= renderContext.getRenderTarget().getPixelFormat().getColorThreshold() + tcu::RGBA(1,1,1,1);
1120	const tcu::TextureFormat		format			= refTexture.getLevelFace(0, tcu::CUBEFACE_POSITIVE_X).getFormat();
1121	const tcu::TextureFormatInfo	spec			= tcu::getTextureFormatInfo(format);
1122
1123	ReferenceParams					renderParams	(TEXTURETYPE_CUBE);
1124
1125	renderParams.samplerType	= getSamplerType(format);
1126	renderParams.sampler		= Sampler(Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::NEAREST_MIPMAP_NEAREST, Sampler::NEAREST);
1127	renderParams.colorScale		= spec.lookupScale;
1128	renderParams.colorBias		= spec.lookupBias;
1129
1130	gl.activeTexture(GL_TEXTURE0);
1131	gl.bindTexture(GL_TEXTURE_CUBE_MAP, name);
1132	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to bind texture.");
1133
1134	gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
1135	gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
1136	gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
1137	gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
1138	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to setup texture filtering state.");
1139
1140	for (int level = 0; level < getLevelCount(info); level++)
1141	{
1142		const IVec3 levelSize = getLevelSize(info.getTarget(), info.getSize(), level);
1143
1144		// \note It seems we can't reliably sample two smallest texture levels with cubemaps
1145		if (levelSize.x() < 4 && levelSize.y() < 4)
1146			continue;
1147
1148		for (int face = 0; face < 6; face++)
1149		{
1150			const RandomViewport	viewport		(renderContext.getRenderTarget(), levelSize.x(), levelSize.y(), rng.getUint32());
1151			const string			cubemapFaceName	= glu::getCubeMapFaceStr(mapFaceNdxToFace(face)).toString();
1152			tcu::Surface			renderedFrame	(viewport.width, viewport.height);
1153			tcu::Surface			referenceFrame	(viewport.width, viewport.height);
1154			vector<float>			texCoord;
1155
1156			computeQuadTexCoordCube(texCoord, glu::getCubeFaceFromGL(mapFaceNdxToFace(face)));
1157
1158			// Setup base viewport.
1159			gl.viewport(viewport.x, viewport.y, viewport.width, viewport.height);
1160
1161			// Draw.
1162			renderer.renderQuad(0, &texCoord[0], renderParams);
1163			glu::readPixels(renderContext, viewport.x, viewport.y, renderedFrame.getAccess());
1164			GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to render and read pixels.");
1165
1166			// Compute reference.
1167			sampleTexture(SurfaceAccess(referenceFrame, renderContext.getRenderTarget().getPixelFormat()), refTexture, &texCoord[0], renderParams);
1168
1169			// Compare and log.
1170			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))
1171				results.fail("Image comparison of level " + de::toString(level) + " and face " + cubemapFaceName + " failed.");
1172			else
1173				log << TestLog::Message << "Image comparison of level " << level << " and face " << cubemapFaceName << " passed." << TestLog::EndMessage;
1174		}
1175	}
1176
1177	gl.bindTexture(GL_TEXTURE_CUBE_MAP, 0);
1178	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind texture.");
1179}
1180
1181void verifyTextureCubemap (tcu::TestContext&					testContext,
1182						   glu::RenderContext&					renderContext,
1183						   TextureRenderer&						textureRenderer,
1184						   tcu::ResultCollector&				results,
1185						   de::Random&							rng,
1186						   deUint32								name,
1187						   const vector<ArrayBuffer<deUint8> >&	data,
1188						   const ImageInfo&						info)
1189{
1190	if (glu::isCompressedFormat(info.getFormat()))
1191	{
1192		const tcu::CompressedTexFormat&	compressedFormat	= glu::mapGLCompressedTexFormat(info.getFormat());
1193		const tcu::TextureFormat&		decompressedFormat	= tcu::getUncompressedFormat(compressedFormat);
1194
1195		const int						texelBlockSize		= getTexelBlockSize(info.getFormat());
1196		const IVec3						texelBlockPixelSize = getTexelBlockPixelSize(info.getFormat());
1197
1198		vector<tcu::PixelBufferAccess>	levelAccesses[6];
1199		vector<ArrayBuffer<deUint8> >	levelDatas[6];
1200		de::UniquePtr<glu::ContextInfo>	ctxInfo				(glu::ContextInfo::create(renderContext));
1201		tcu::TexDecompressionParams		decompressParams;
1202
1203		if (tcu::isAstcFormat(compressedFormat))
1204		{
1205			if (ctxInfo->isExtensionSupported("GL_KHR_texture_compression_astc_hdr"))
1206				decompressParams = tcu::TexDecompressionParams(tcu::TexDecompressionParams::ASTCMODE_HDR);
1207			else if (ctxInfo->isExtensionSupported("GL_KHR_texture_compression_astc_ldr"))
1208				decompressParams = tcu::TexDecompressionParams(tcu::TexDecompressionParams::ASTCMODE_LDR);
1209			else
1210				DE_ASSERT(false);
1211		}
1212
1213		for (int faceNdx = 0; faceNdx < 6; faceNdx++)
1214		{
1215			levelAccesses[faceNdx].resize(getLevelCount(info));
1216			levelDatas[faceNdx].resize(getLevelCount(info));
1217		}
1218
1219		for (int level = 0; level < getLevelCount(info); level++)
1220		{
1221			for (int faceNdx = 0; faceNdx < 6; faceNdx++)
1222			{
1223				const IVec3				levelPixelSize			= getLevelSize(info.getTarget(), info.getSize(), level);
1224				const IVec3				levelTexelBlockSize		= divRoundUp(levelPixelSize, texelBlockPixelSize);
1225				const int				levelTexelBlockCount	= levelTexelBlockSize.x() * levelTexelBlockSize.y() * levelTexelBlockSize.z();
1226				const int				levelSize 				= levelTexelBlockCount * texelBlockSize;
1227
1228				const deUint8*			dataPtr					= data[level].getElementPtr(faceNdx * levelSize);
1229				tcu::PixelBufferAccess& levelAccess				= levelAccesses[faceNdx][level];
1230				ArrayBuffer<deUint8>&	levelData				= levelDatas[faceNdx][level];
1231
1232				decompressTextureLevel(decompressParams, levelData, levelAccess, compressedFormat, decompressedFormat, levelPixelSize, dataPtr);
1233			}
1234		}
1235
1236		const tcu::ConstPixelBufferAccess* levels[6];
1237
1238		for (int faceNdx = 0; faceNdx < 6; faceNdx++)
1239			levels[glu::getCubeFaceFromGL(mapFaceNdxToFace(faceNdx))] = &(levelAccesses[faceNdx][0]);
1240
1241		{
1242			const tcu::TextureCubeView refTexture(getLevelCount(info), levels);
1243
1244			verifyTextureCubemapView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture);
1245		}
1246	}
1247	else
1248	{
1249		const vector<tcu::ConstPixelBufferAccess> levelAccesses[6] =
1250		{
1251			getCubeLevelAccesses(data, info, 0),
1252			getCubeLevelAccesses(data, info, 1),
1253			getCubeLevelAccesses(data, info, 2),
1254			getCubeLevelAccesses(data, info, 3),
1255			getCubeLevelAccesses(data, info, 4),
1256			getCubeLevelAccesses(data, info, 5),
1257		};
1258
1259		const tcu::ConstPixelBufferAccess* levels[6];
1260
1261		for (int faceNdx = 0; faceNdx < 6; faceNdx++)
1262			levels[glu::getCubeFaceFromGL(mapFaceNdxToFace(faceNdx))] = &(levelAccesses[faceNdx][0]);
1263
1264		{
1265			const tcu::TextureCubeView refTexture(getLevelCount(info), levels);
1266
1267			verifyTextureCubemapView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture);
1268		}
1269	}
1270}
1271
1272void verifyTexture2DArrayView (tcu::TestContext&				testContext,
1273							   glu::RenderContext&				renderContext,
1274							   TextureRenderer&					renderer,
1275							   tcu::ResultCollector&			results,
1276							   de::Random&						rng,
1277							   deUint32							name,
1278							   const ImageInfo&					info,
1279							   const tcu::Texture2DArrayView&	refTexture)
1280{
1281	tcu::TestLog&					log				= testContext.getLog();
1282	const glw::Functions&			gl				= renderContext.getFunctions();
1283	const tcu::RGBA					threshold		= renderContext.getRenderTarget().getPixelFormat().getColorThreshold() + tcu::RGBA(1,1,1,1);
1284	const tcu::TextureFormat		format			= refTexture.getLevel(0).getFormat();
1285	const tcu::TextureFormatInfo	spec			= tcu::getTextureFormatInfo(format);
1286
1287	ReferenceParams					renderParams	(TEXTURETYPE_2D_ARRAY);
1288
1289	renderParams.samplerType	= getSamplerType(format);
1290	renderParams.sampler		= Sampler(Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::NEAREST_MIPMAP_NEAREST, Sampler::NEAREST);
1291	renderParams.colorScale		= spec.lookupScale;
1292	renderParams.colorBias		= spec.lookupBias;
1293
1294	gl.activeTexture(GL_TEXTURE0);
1295	gl.bindTexture(GL_TEXTURE_2D_ARRAY, name);
1296	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to bind texture.");
1297
1298	gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
1299	gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
1300	gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
1301	gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
1302	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to setup texture filtering state.");
1303
1304	for (int level = 0; level < getLevelCount(info); level++)
1305	{
1306		const IVec3 levelSize = getLevelSize(info.getTarget(), info.getSize(), level);
1307
1308		for (int layer = 0; layer < levelSize.z(); layer++)
1309		{
1310			const RandomViewport	viewport		(renderContext.getRenderTarget(), levelSize.x(), levelSize.y(), rng.getUint32());
1311			tcu::Surface			renderedFrame	(viewport.width, viewport.height);
1312			tcu::Surface			referenceFrame	(viewport.width, viewport.height);
1313			vector<float>			texCoord;
1314
1315			computeQuadTexCoord2DArray(texCoord, layer, tcu::Vec2(0.0f, 0.0f), tcu::Vec2(1.0f, 1.0f));
1316
1317			// Setup base viewport.
1318			gl.viewport(viewport.x, viewport.y, viewport.width, viewport.height);
1319
1320			// Draw.
1321			renderer.renderQuad(0, &texCoord[0], renderParams);
1322			glu::readPixels(renderContext, viewport.x, viewport.y, renderedFrame.getAccess());
1323			GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to render and read pixels.");
1324
1325			// Compute reference.
1326			sampleTexture(SurfaceAccess(referenceFrame, renderContext.getRenderTarget().getPixelFormat()), refTexture, &texCoord[0], renderParams);
1327
1328			// Compare and log.
1329			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))
1330				results.fail("Image comparison of level " + de::toString(level) + " and layer " + de::toString(layer) + " failed.");
1331			else
1332				log << TestLog::Message << "Image comparison of level " << level << " and layer " << layer << " passed." << TestLog::EndMessage;
1333		}
1334	}
1335
1336	gl.bindTexture(GL_TEXTURE_2D_ARRAY, 0);
1337	GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind texture.");
1338}
1339
1340void verifyTexture2DArray (tcu::TestContext&					testContext,
1341						   glu::RenderContext&					renderContext,
1342						   TextureRenderer&						textureRenderer,
1343						   tcu::ResultCollector&				results,
1344						   de::Random&							rng,
1345						   deUint32								name,
1346						   const vector<ArrayBuffer<deUint8> >&	data,
1347						   const ImageInfo&						info)
1348{
1349	if (glu::isCompressedFormat(info.getFormat()))
1350	{
1351		vector<de::ArrayBuffer<deUint8> >	levelDatas;
1352		vector<tcu::PixelBufferAccess>		levelAccesses;
1353
1354		decompressTexture(levelDatas, levelAccesses, renderContext, info, data);
1355
1356		{
1357			const tcu::Texture2DArrayView refTexture((int)levelAccesses.size(), &(levelAccesses[0]));
1358
1359			verifyTexture2DArrayView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture);
1360		}
1361	}
1362	else
1363	{
1364		const vector<tcu::ConstPixelBufferAccess>	levelAccesses	= getLevelAccesses(data, info);
1365		const tcu::Texture2DArrayView				refTexture		((int)levelAccesses.size(), &(levelAccesses[0]));
1366
1367		verifyTexture2DArrayView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture);
1368	}
1369}
1370
1371tcu::TextureFormat getReadPixelFormat (const tcu::TextureFormat& format)
1372{
1373	switch (tcu::getTextureChannelClass(format.type))
1374	{
1375		case tcu::TEXTURECHANNELCLASS_FLOATING_POINT:
1376		case tcu::TEXTURECHANNELCLASS_SIGNED_FIXED_POINT:
1377		case tcu::TEXTURECHANNELCLASS_UNSIGNED_FIXED_POINT:
1378			return tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNORM_INT8);
1379
1380		case tcu::TEXTURECHANNELCLASS_SIGNED_INTEGER:
1381			return tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::SIGNED_INT32);
1382
1383		case tcu::TEXTURECHANNELCLASS_UNSIGNED_INTEGER:
1384			return tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNSIGNED_INT32);
1385
1386		default:
1387			DE_ASSERT(false);
1388			return tcu::TextureFormat();
1389	}
1390}
1391
1392Vec4 calculateThreshold (const tcu::TextureFormat& sourceFormat, const tcu::TextureFormat& readPixelsFormat)
1393{
1394	DE_ASSERT(tcu::getTextureChannelClass(sourceFormat.type) != tcu::TEXTURECHANNELCLASS_FLOATING_POINT);
1395	DE_ASSERT(tcu::getTextureChannelClass(readPixelsFormat.type) != tcu::TEXTURECHANNELCLASS_FLOATING_POINT);
1396
1397	DE_ASSERT(tcu::getTextureChannelClass(sourceFormat.type) != tcu::TEXTURECHANNELCLASS_SIGNED_INTEGER);
1398	DE_ASSERT(tcu::getTextureChannelClass(readPixelsFormat.type) != tcu::TEXTURECHANNELCLASS_SIGNED_INTEGER);
1399
1400	DE_ASSERT(tcu::getTextureChannelClass(sourceFormat.type) != tcu::TEXTURECHANNELCLASS_UNSIGNED_INTEGER);
1401	DE_ASSERT(tcu::getTextureChannelClass(readPixelsFormat.type) != tcu::TEXTURECHANNELCLASS_UNSIGNED_INTEGER);
1402
1403	{
1404		const tcu::IVec4	srcBits		= tcu::getTextureFormatBitDepth(sourceFormat);
1405		const tcu::IVec4	readBits	= tcu::getTextureFormatBitDepth(readPixelsFormat);
1406
1407		return Vec4(1.0f) / ((tcu::IVec4(1) << (tcu::min(srcBits, readBits))) - tcu::IVec4(1)).cast<float>();
1408	}
1409}
1410
1411void verifyRenderbuffer (tcu::TestContext&						testContext,
1412						 glu::RenderContext&					renderContext,
1413						 tcu::ResultCollector&					results,
1414						 deUint32								name,
1415						 const vector<ArrayBuffer<deUint8> >&	data,
1416						 const ImageInfo&						info)
1417{
1418	const glw::Functions&				gl					= renderContext.getFunctions();
1419	TestLog&							log					= testContext.getLog();
1420
1421	const tcu::TextureFormat			format				= glu::mapGLInternalFormat(info.getFormat());
1422	const IVec3							size				= info.getSize();
1423	const tcu::ConstPixelBufferAccess	refRenderbuffer		(format, size.x(), size.y(), 1, data[0].getPtr());
1424	const tcu::TextureFormat			readPixelsFormat	= getReadPixelFormat(format);
1425	tcu::TextureLevel					renderbuffer		(readPixelsFormat, size.x(), size.y());
1426
1427	DE_ASSERT(size.z() == 1);
1428	DE_ASSERT(data.size() == 1);
1429
1430	{
1431		glu::Framebuffer framebuffer(gl);
1432
1433		gl.bindFramebuffer(GL_FRAMEBUFFER, *framebuffer);
1434		GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to create and bind framebuffer.");
1435
1436		gl.bindRenderbuffer(GL_RENDERBUFFER, name);
1437		gl.framebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, name);
1438		GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to bind and attach renderbuffer to framebuffer.");
1439
1440		glu::readPixels(renderContext, 0, 0, renderbuffer.getAccess());
1441
1442		gl.bindRenderbuffer(GL_RENDERBUFFER, 0);
1443		gl.bindFramebuffer(GL_FRAMEBUFFER, 0);
1444		GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind renderbuffer and framebuffer.");
1445	}
1446
1447	if (isFloatFormat(info.getFormat()))
1448	{
1449		const tcu::UVec4 threshold (2, 2, 2, 2);
1450
1451		if (!(tcu::floatUlpThresholdCompare(log, "Image comparison", "Image comparison", refRenderbuffer, renderbuffer.getAccess(), threshold, tcu::COMPARE_LOG_ON_ERROR)))
1452			results.fail("Image comparison failed.");
1453		else
1454			log << TestLog::Message << "Image comarison passed." << TestLog::EndMessage;
1455	}
1456	else if (isIntFormat(info.getFormat()) || isUintFormat(info.getFormat()))
1457	{
1458		const tcu::UVec4 threshold (1, 1, 1, 1);
1459
1460		if (!(tcu::intThresholdCompare(log, "Image comparison", "Image comparison", refRenderbuffer, renderbuffer.getAccess(), threshold, tcu::COMPARE_LOG_ON_ERROR)))
1461			results.fail("Image comparison failed.");
1462		else
1463			log << TestLog::Message << "Image comarison passed." << TestLog::EndMessage;
1464	}
1465	else
1466	{
1467		const Vec4 threshold = calculateThreshold(format, readPixelsFormat);
1468
1469		if (!(tcu::floatThresholdCompare(log, "Image comparison", "Image comparison", refRenderbuffer, renderbuffer.getAccess(), threshold, tcu::COMPARE_LOG_ON_ERROR)))
1470			results.fail("Image comparison failed.");
1471		else
1472			log << TestLog::Message << "Image comarison passed." << TestLog::EndMessage;
1473	}
1474}
1475
1476void verify (tcu::TestContext&						testContext,
1477			 glu::RenderContext&					renderContext,
1478			 TextureRenderer&						textureRenderer,
1479			 tcu::ResultCollector&					results,
1480			 de::Random&							rng,
1481			 deUint32								name,
1482			 const vector<ArrayBuffer<deUint8> >&	data,
1483			 const ImageInfo&						info)
1484{
1485	switch (info.getTarget())
1486	{
1487		case GL_TEXTURE_2D:
1488			verifyTexture2D(testContext, renderContext, textureRenderer, results, rng, name, data, info);
1489			break;
1490
1491		case GL_TEXTURE_3D:
1492			verifyTexture3D(testContext, renderContext, textureRenderer, results, rng, name, data, info);
1493			break;
1494
1495		case GL_TEXTURE_CUBE_MAP:
1496			verifyTextureCubemap(testContext, renderContext, textureRenderer, results, rng, name, data, info);
1497			break;
1498
1499		case GL_TEXTURE_2D_ARRAY:
1500			verifyTexture2DArray(testContext, renderContext, textureRenderer, results, rng, name, data, info);
1501			break;
1502
1503		case GL_RENDERBUFFER:
1504			verifyRenderbuffer(testContext, renderContext, results, name, data, info);
1505			break;
1506
1507		default:
1508			DE_ASSERT(false);
1509	}
1510}
1511
1512void logTestImageInfo (TestLog&			log,
1513					   const ImageInfo&	imageInfo)
1514{
1515	log << TestLog::Message << "Target: " << targetToName(imageInfo.getTarget()) << TestLog::EndMessage;
1516	log << TestLog::Message << "Size: " << imageInfo.getSize() << TestLog::EndMessage;
1517	log << TestLog::Message << "Levels: " << getLevelCount(imageInfo) << TestLog::EndMessage;
1518	log << TestLog::Message << "Format: " << formatToName(imageInfo.getFormat()) << TestLog::EndMessage;
1519}
1520
1521void logTestInfo (TestLog&			log,
1522				  const ImageInfo&	srcImageInfo,
1523				  const ImageInfo&	dstImageInfo)
1524{
1525	tcu::ScopedLogSection section(log, "TestCaseInfo", "Test case info");
1526
1527	log << TestLog::Message << "Testing copying from " << targetToName(srcImageInfo.getTarget()) << " to " << targetToName(dstImageInfo.getTarget()) << "." << TestLog::EndMessage;
1528
1529	{
1530		tcu::ScopedLogSection srcSection(log, "Source image info.", "Source image info.");
1531		logTestImageInfo(log, srcImageInfo);
1532	}
1533
1534	{
1535		tcu::ScopedLogSection dstSection(log, "Destination image info.", "Destination image info.");
1536		logTestImageInfo(log, dstImageInfo);
1537	}
1538}
1539
1540class CopyImageTest : public TestCase
1541{
1542public:
1543							CopyImageTest			(Context&			context,
1544													 const ImageInfo&	srcImage,
1545													 const ImageInfo&	dstImage,
1546													 const char*		name,
1547													 const char*		description);
1548
1549							~CopyImageTest			(void);
1550
1551	void					init					(void);
1552	void					deinit					(void);
1553
1554	TestCase::IterateResult	iterate					(void);
1555
1556private:
1557	void					logTestInfoIter			(void);
1558	void					createImagesIter		(void);
1559	void					destroyImagesIter		(void);
1560	void					verifySourceIter		(void);
1561	void					verifyDestinationIter	(void);
1562	void					copyImageIter			(void);
1563
1564	struct State
1565	{
1566		State (int					seed,
1567			   tcu::TestLog&		log,
1568			   glu::RenderContext&	renderContext)
1569			: rng				(seed)
1570			, results			(log)
1571			, srcImage			(NULL)
1572			, dstImage			(NULL)
1573			, textureRenderer	(renderContext, log, glu::GLSL_VERSION_310_ES, glu::PRECISION_HIGHP)
1574		{
1575		}
1576
1577		~State (void)
1578		{
1579			delete srcImage;
1580			delete dstImage;
1581		}
1582
1583		de::Random						rng;
1584		tcu::ResultCollector			results;
1585		glu::ObjectWrapper*				srcImage;
1586		glu::ObjectWrapper*				dstImage;
1587		TextureRenderer					textureRenderer;
1588
1589		vector<ArrayBuffer<deUint8> >	srcImageLevels;
1590		vector<ArrayBuffer<deUint8> >	dstImageLevels;
1591	};
1592
1593	const ImageInfo	m_srcImageInfo;
1594	const ImageInfo	m_dstImageInfo;
1595
1596	int				m_iteration;
1597	State*			m_state;
1598};
1599
1600CopyImageTest::CopyImageTest (Context&			context,
1601							  const ImageInfo&	srcImage,
1602							  const ImageInfo&	dstImage,
1603							  const char*		name,
1604							  const char*		description)
1605	: TestCase			(context, name, description)
1606	, m_srcImageInfo	(srcImage)
1607	, m_dstImageInfo	(dstImage)
1608
1609	, m_iteration		(0)
1610	, m_state			(NULL)
1611{
1612}
1613
1614CopyImageTest::~CopyImageTest (void)
1615{
1616	deinit();
1617}
1618
1619void checkFormatSupport (glu::ContextInfo& info, deUint32 format)
1620{
1621	if (glu::isCompressedFormat(format))
1622	{
1623		if (isAstcFormat(glu::mapGLCompressedTexFormat(format)))
1624		{
1625			if (!info.isExtensionSupported("GL_KHR_texture_compression_astc_ldr")
1626				&& !info.isExtensionSupported("GL_KHR_texture_compression_astc_hdr")
1627				&& !info.isExtensionSupported("GL_OES_texture_compression_astc"))
1628				throw tcu::NotSupportedError("Compressed astc texture not supported.", "", __FILE__, __LINE__);
1629		}
1630		else
1631		{
1632			if (!info.isCompressedTextureFormatSupported(format))
1633				throw tcu::NotSupportedError("Compressed texture not supported.", "", __FILE__, __LINE__);
1634		}
1635	}
1636}
1637
1638void CopyImageTest::init (void)
1639{
1640	de::UniquePtr<glu::ContextInfo> ctxInfo(glu::ContextInfo::create(m_context.getRenderContext()));
1641
1642	if (!ctxInfo->isExtensionSupported("GL_EXT_copy_image"))
1643		throw tcu::NotSupportedError("Extension GL_EXT_copy_image not supported.", "", __FILE__, __LINE__);
1644
1645	checkFormatSupport(*ctxInfo, m_srcImageInfo.getFormat());
1646	checkFormatSupport(*ctxInfo, m_dstImageInfo.getFormat());
1647
1648	{
1649		SeedBuilder builder;
1650
1651		builder << 903980
1652				<< m_srcImageInfo
1653				<< m_dstImageInfo;
1654
1655		m_state = new State(builder.get(), m_testCtx.getLog(), m_context.getRenderContext());
1656	}
1657}
1658
1659void CopyImageTest::deinit (void)
1660{
1661	delete m_state;
1662	m_state = NULL;
1663}
1664
1665void CopyImageTest::logTestInfoIter (void)
1666{
1667	TestLog& log = m_testCtx.getLog();
1668
1669	logTestInfo(log, m_srcImageInfo, m_dstImageInfo);
1670}
1671
1672void CopyImageTest::createImagesIter (void)
1673{
1674	TestLog&				log						= m_testCtx.getLog();
1675	glu::RenderContext&		renderContext			= m_context.getRenderContext();
1676	const glw::Functions&	gl						= renderContext.getFunctions();
1677	const deUint32			moreRestrictiveFormat	= getMoreRestrictiveFormat(m_srcImageInfo.getFormat(), m_dstImageInfo.getFormat());
1678	de::Random&				rng						= m_state->rng;
1679
1680	DE_ASSERT(!m_state->srcImage);
1681	DE_ASSERT(!m_state->dstImage);
1682
1683	m_state->srcImage = new glu::ObjectWrapper(gl, getObjectTraits(m_srcImageInfo));
1684	m_state->dstImage = new glu::ObjectWrapper(gl, getObjectTraits(m_dstImageInfo));
1685
1686	{
1687		glu::ObjectWrapper&				srcImage				= *m_state->srcImage;
1688		glu::ObjectWrapper&				dstImage				= *m_state->dstImage;
1689
1690		vector<ArrayBuffer<deUint8> >&	srcImageLevels			= m_state->srcImageLevels;
1691		vector<ArrayBuffer<deUint8> >&	dstImageLevels			= m_state->dstImageLevels;
1692
1693		log << TestLog::Message << "Creating source image." << TestLog::EndMessage;
1694		genImage(gl, rng, *srcImage, srcImageLevels, m_srcImageInfo, moreRestrictiveFormat);
1695
1696		log << TestLog::Message << "Creating destination image." << TestLog::EndMessage;
1697		genImage(gl, rng, *dstImage, dstImageLevels, m_dstImageInfo, moreRestrictiveFormat);
1698	}
1699}
1700
1701void CopyImageTest::destroyImagesIter (void)
1702{
1703	TestLog& log = m_testCtx.getLog();
1704
1705	log << TestLog::Message << "Deleting source image. " << TestLog::EndMessage;
1706
1707	delete m_state->srcImage;
1708	m_state->srcImage = NULL;
1709	m_state->srcImageLevels.clear();
1710
1711	log << TestLog::Message << "Deleting destination image. " << TestLog::EndMessage;
1712
1713	delete m_state->dstImage;
1714	m_state->dstImage = NULL;
1715	m_state->dstImageLevels.clear();
1716}
1717
1718void CopyImageTest::verifySourceIter (void)
1719{
1720	TestLog&						log					= m_testCtx.getLog();
1721	const tcu::ScopedLogSection		sourceSection		(log, "Source image verify.", "Source image verify.");
1722
1723	de::Random&						rng					= m_state->rng;
1724	tcu::ResultCollector&			results				= m_state->results;
1725	glu::ObjectWrapper&				srcImage			= *m_state->srcImage;
1726	vector<ArrayBuffer<deUint8> >&	srcImageLevels		= m_state->srcImageLevels;
1727
1728	log << TestLog::Message << "Verifying source image." << TestLog::EndMessage;
1729
1730	verify(m_testCtx, m_context.getRenderContext(), m_state->textureRenderer, results, rng, *srcImage, srcImageLevels, m_srcImageInfo);
1731}
1732
1733void CopyImageTest::verifyDestinationIter (void)
1734{
1735	TestLog&						log					= m_testCtx.getLog();
1736	const tcu::ScopedLogSection		destinationSection	(log, "Destination image verify.", "Destination image verify.");
1737
1738	de::Random&						rng					= m_state->rng;
1739	tcu::ResultCollector&			results				= m_state->results;
1740	glu::ObjectWrapper&				dstImage			= *m_state->dstImage;
1741	vector<ArrayBuffer<deUint8> >&	dstImageLevels		= m_state->dstImageLevels;
1742
1743	log << TestLog::Message << "Verifying destination image." << TestLog::EndMessage;
1744
1745	verify(m_testCtx, m_context.getRenderContext(), m_state->textureRenderer, results, rng, *dstImage, dstImageLevels, m_dstImageInfo);
1746}
1747
1748struct Copy
1749{
1750	Copy (const IVec3&	srcPos_,
1751		  int			srcLevel_,
1752
1753		  const IVec3&	dstPos_,
1754		  int			dstLevel_,
1755
1756		  const IVec3&	size_)
1757		: srcPos	(srcPos_)
1758		, srcLevel	(srcLevel_)
1759
1760		, dstPos	(dstPos_)
1761		, dstLevel	(dstLevel_)
1762		, size		(size_)
1763	{
1764	}
1765
1766	IVec3	srcPos;
1767	int		srcLevel;
1768	IVec3	dstPos;
1769	int		dstLevel;
1770	IVec3	size;
1771};
1772
1773int getLastFullLevel (const ImageInfo& info)
1774{
1775	const int	levelCount		= getLevelCount(info);
1776	const IVec3	blockPixelSize	= getTexelBlockPixelSize(info.getFormat());
1777
1778	for (int level = 0; level < levelCount; level++)
1779	{
1780		const IVec3 levelSize = getLevelSize(info.getTarget(), info.getSize(), level);
1781
1782		if (levelSize.x() < blockPixelSize.x() || levelSize.y() < blockPixelSize.y() || levelSize.z() < blockPixelSize.z())
1783			return level - 1;
1784	}
1785
1786	return levelCount -1;
1787}
1788
1789void generateCopies (vector<Copy>& copies, const ImageInfo& srcInfo, const ImageInfo& dstInfo)
1790{
1791	const deUint32	srcTarget		= srcInfo.getTarget();
1792	const deUint32	dstTarget		= dstInfo.getTarget();
1793
1794	const bool		srcIsTexture	= isTextureTarget(srcInfo.getTarget());
1795	const bool		dstIsTexture	= isTextureTarget(dstInfo.getTarget());
1796
1797	const bool		srcIsCube		= srcTarget == GL_TEXTURE_CUBE_MAP;
1798	const bool		dstIsCube		= dstTarget == GL_TEXTURE_CUBE_MAP;
1799
1800	const IVec3		srcBlockPixelSize		= getTexelBlockPixelSize(srcInfo.getFormat());
1801	const IVec3		dstBlockPixelSize		= getTexelBlockPixelSize(dstInfo.getFormat());
1802
1803	const int levels[] =
1804	{
1805		0, 1, -1
1806	};
1807
1808	for (int levelNdx = 0; levelNdx < (srcIsTexture || dstIsTexture ? DE_LENGTH_OF_ARRAY(levels) : 1); levelNdx++)
1809	{
1810		const int	srcLevel				= (srcIsTexture ? (levels[levelNdx] >= 0 ? levels[levelNdx] : getLastFullLevel(srcInfo)) : 0);
1811		const int	dstLevel				= (dstIsTexture ? (levels[levelNdx] >= 0 ? levels[levelNdx] : getLastFullLevel(dstInfo)) : 0);
1812
1813		const IVec3	srcSize					= getLevelSize(srcInfo.getTarget(), srcInfo.getSize(), srcLevel);
1814		const IVec3	dstSize					= getLevelSize(dstInfo.getTarget(), dstInfo.getSize(), dstLevel);
1815
1816		// \note These are rounded down
1817		const IVec3	srcCompleteBlockSize	= IVec3(srcSize.x() / srcBlockPixelSize.x(), srcSize.y() / srcBlockPixelSize.y(), (srcIsCube ? 6 : srcSize.z() / srcBlockPixelSize.z()));
1818		const IVec3	dstCompleteBlockSize	= IVec3(dstSize.x() / dstBlockPixelSize.x(), dstSize.y() / dstBlockPixelSize.y(), (dstIsCube ? 6 : dstSize.z() / dstBlockPixelSize.z()));
1819
1820		const IVec3	maxCopyBlockSize		= tcu::min(srcCompleteBlockSize, dstCompleteBlockSize);
1821
1822		// \note These are rounded down
1823		const int	copyBlockWidth			= de::max((2 * (maxCopyBlockSize.x() / 4)) - 1, 1);
1824		const int	copyBlockHeight			= de::max((2 * (maxCopyBlockSize.y() / 4)) - 1, 1);
1825		const int	copyBlockDepth			= de::max((2 * (maxCopyBlockSize.z() / 4)) - 1, 1);
1826
1827		// Copy NPOT block from (0,0,0) to other corner on dst
1828		{
1829			const IVec3	copyBlockSize	(copyBlockWidth, copyBlockHeight, copyBlockDepth);
1830			const IVec3	srcBlockPos		(srcCompleteBlockSize - copyBlockSize);
1831			const IVec3	dstBlockPos		(0, 0, 0);
1832
1833			const IVec3	srcPos			(srcBlockPos * srcBlockPixelSize);
1834			const IVec3	dstPos			(dstBlockPos * dstBlockPixelSize);
1835			const IVec3 copySize		(copyBlockSize * srcBlockPixelSize);
1836
1837			copies.push_back(Copy(srcPos, srcLevel, dstPos, dstLevel, copySize));
1838		}
1839
1840		// Copy NPOT block to (0,0,0) from other corner on src
1841		{
1842			const IVec3	copyBlockSize	(copyBlockWidth, copyBlockHeight, copyBlockDepth);
1843			const IVec3	srcBlockPos		(0, 0, 0);
1844			const IVec3	dstBlockPos		(dstCompleteBlockSize - copyBlockSize);
1845
1846			const IVec3	srcPos			(srcBlockPos * srcBlockPixelSize);
1847			const IVec3	dstPos			(dstBlockPos * dstBlockPixelSize);
1848			const IVec3 copySize		(copyBlockSize * srcBlockPixelSize);
1849
1850			copies.push_back(Copy(srcPos, srcLevel, dstPos, dstLevel, copySize));
1851		}
1852
1853		// Copy NPOT block to (0,0,0) from other corner on src
1854		{
1855			const IVec3	copyBlockSize	(copyBlockWidth, copyBlockHeight, copyBlockDepth);
1856			const IVec3	srcBlockPos		(tcu::max((srcCompleteBlockSize / 4) * 4 - copyBlockSize, IVec3(0)));
1857			const IVec3	dstBlockPos		(tcu::max((dstCompleteBlockSize / 4) * 4 - copyBlockSize, IVec3(0)));
1858
1859			const IVec3	srcPos			(srcBlockPos * srcBlockPixelSize);
1860			const IVec3	dstPos			(dstBlockPos * dstBlockPixelSize);
1861			const IVec3 copySize		(copyBlockSize * srcBlockPixelSize);
1862
1863			copies.push_back(Copy(srcPos, srcLevel, dstPos, dstLevel, copySize));
1864		}
1865	}
1866}
1867
1868void CopyImageTest::copyImageIter (void)
1869{
1870	TestLog&						log				= m_testCtx.getLog();
1871	const glw::Functions&			gl				= m_context.getRenderContext().getFunctions();
1872	glu::ObjectWrapper&				srcImage		= *m_state->srcImage;
1873	glu::ObjectWrapper&				dstImage		= *m_state->dstImage;
1874
1875	vector<ArrayBuffer<deUint8> >&	srcImageLevels	= m_state->srcImageLevels;
1876	vector<ArrayBuffer<deUint8> >&	dstImageLevels	= m_state->dstImageLevels;
1877	vector<Copy>					copies;
1878
1879	generateCopies(copies, m_srcImageInfo, m_dstImageInfo);
1880
1881	for (int copyNdx = 0; copyNdx < (int)copies.size(); copyNdx++)
1882	{
1883		const Copy& copy = copies[copyNdx];
1884
1885		log << TestLog::Message << "Copying block " << copy.size << " from source image position " << copy.srcPos << " and mipmap level " << copy.srcLevel
1886								<< " to destination image position " << copy.dstPos << " and mipmap level " << copy.dstLevel << TestLog::EndMessage;
1887
1888		copyImage(gl, *dstImage, dstImageLevels, m_dstImageInfo, copy.dstLevel, copy.dstPos,
1889					  *srcImage, srcImageLevels, m_srcImageInfo, copy.srcLevel, copy.srcPos, copy.size);
1890	}
1891}
1892
1893TestCase::IterateResult CopyImageTest::iterate (void)
1894{
1895	void(CopyImageTest::*methods[])(void) =
1896	{
1897		&CopyImageTest::logTestInfoIter,
1898
1899		// Render both images and then copy and verify again.
1900		&CopyImageTest::createImagesIter,
1901		&CopyImageTest::verifySourceIter,
1902		&CopyImageTest::verifyDestinationIter,
1903		&CopyImageTest::copyImageIter,
1904		&CopyImageTest::verifySourceIter,
1905		&CopyImageTest::verifyDestinationIter,
1906		&CopyImageTest::destroyImagesIter,
1907
1908		// Create images and immediately copies between thew and verify.
1909		&CopyImageTest::createImagesIter,
1910		&CopyImageTest::copyImageIter,
1911		&CopyImageTest::verifySourceIter,
1912		&CopyImageTest::verifyDestinationIter,
1913		&CopyImageTest::destroyImagesIter
1914	};
1915
1916	if (m_iteration < DE_LENGTH_OF_ARRAY(methods))
1917	{
1918		(this->*methods[m_iteration])();
1919		m_iteration++;
1920		return CONTINUE;
1921	}
1922	else
1923	{
1924		m_state->results.setTestContextResult(m_testCtx);
1925		return STOP;
1926	}
1927}
1928
1929class CopyImageTests : public TestCaseGroup
1930{
1931public:
1932						CopyImageTests			(Context& context);
1933						~CopyImageTests			(void);
1934
1935	void				init					(void);
1936
1937private:
1938						CopyImageTests			(const CopyImageTests& other);
1939	CopyImageTests&		operator=				(const CopyImageTests& other);
1940};
1941
1942CopyImageTests::CopyImageTests (Context& context)
1943	: TestCaseGroup	(context, "copy_image", "Copy image tests for GL_EXT_copy_image.")
1944{
1945}
1946
1947CopyImageTests::~CopyImageTests (void)
1948{
1949}
1950
1951int smallestCommonMultiple (int a_, int b_)
1952{
1953	int	a		= (a_ > b_ ? a_ : b_);
1954	int	b		= (a_ > b_ ? b_ : a_);
1955	int	result  = 1;
1956
1957	for (int i = b/2; i > 1; i--)
1958	{
1959		while ((a % i) == 0 && (b % i) == 0)
1960		{
1961			result *= i;
1962			a /= i;
1963			b /= i;
1964		}
1965	}
1966
1967	return result * a * b;
1968}
1969
1970IVec3 getTestedSize (deUint32 target, deUint32 format, const IVec3& targetSize)
1971{
1972	const IVec3 texelBlockPixelSize = getTexelBlockPixelSize(format);
1973	const bool	isCube				= target == GL_TEXTURE_CUBE_MAP;
1974	const bool	is3D				= target == GL_TEXTURE_3D || target == GL_TEXTURE_2D_ARRAY;
1975
1976	if (isCube)
1977	{
1978		const int	multiplier	= smallestCommonMultiple(texelBlockPixelSize.x(), texelBlockPixelSize.y());
1979		const int	size		= (1 + (targetSize.x() / multiplier)) * multiplier;
1980
1981		return IVec3(size, size, 1);
1982	}
1983	else if (is3D)
1984	{
1985		return (1 + (targetSize / texelBlockPixelSize)) * texelBlockPixelSize;
1986	}
1987	else
1988	{
1989		const int width = (1 + targetSize.x() / texelBlockPixelSize.x()) * texelBlockPixelSize.x();
1990		const int height = ((targetSize.y() / texelBlockPixelSize.y()) - 1) * texelBlockPixelSize.y();
1991
1992		return IVec3(width, height, 1);
1993	}
1994}
1995
1996void addCopyTests (TestCaseGroup* root, deUint32 srcFormat, deUint32 dstFormat)
1997{
1998	const string			groupName	= string(formatToName(srcFormat)) + "_" + formatToName(dstFormat);
1999	TestCaseGroup* const	group		= new TestCaseGroup(root->getContext(), groupName.c_str(), groupName.c_str());
2000
2001	const deUint32 targets[] =
2002	{
2003		GL_TEXTURE_2D,
2004		GL_TEXTURE_3D,
2005		GL_TEXTURE_CUBE_MAP,
2006		GL_TEXTURE_2D_ARRAY,
2007		GL_RENDERBUFFER
2008	};
2009
2010	root->addChild(group);
2011
2012	for (int srcTargetNdx = 0; srcTargetNdx < DE_LENGTH_OF_ARRAY(targets); srcTargetNdx++)
2013	{
2014		const deUint32	srcTarget				= targets[srcTargetNdx];
2015		const IVec3		srcTexelBlockPixelSize	= getTexelBlockPixelSize(srcFormat);
2016		const bool		srcIs3D					= srcTarget == GL_TEXTURE_2D_ARRAY || srcTarget == GL_TEXTURE_3D;
2017
2018		if (glu::isCompressedFormat(srcFormat) && srcTarget == GL_RENDERBUFFER)
2019			continue;
2020
2021		if (srcTarget == GL_RENDERBUFFER && !isColorRenderable(srcFormat))
2022			continue;
2023
2024		if (glu::isCompressedFormat(srcFormat) && !tcu::isAstcFormat(glu::mapGLCompressedTexFormat(srcFormat)) && srcIs3D)
2025			continue;
2026
2027		for (int dstTargetNdx = 0; dstTargetNdx < DE_LENGTH_OF_ARRAY(targets); dstTargetNdx++)
2028		{
2029			const deUint32	dstTarget				= targets[dstTargetNdx];
2030			const IVec3		dstTexelBlockPixelSize	= getTexelBlockPixelSize(dstFormat);
2031			const bool		dstIs3D					= dstTarget == GL_TEXTURE_2D_ARRAY || dstTarget == GL_TEXTURE_3D;
2032
2033			if (glu::isCompressedFormat(dstFormat) && dstTarget == GL_RENDERBUFFER)
2034				continue;
2035
2036			if (dstTarget == GL_RENDERBUFFER && !isColorRenderable(dstFormat))
2037				continue;
2038
2039			if (glu::isCompressedFormat(dstFormat) && !tcu::isAstcFormat(glu::mapGLCompressedTexFormat(dstFormat)) && dstIs3D)
2040				continue;
2041
2042			const string	targetTestName	= string(targetToName(srcTarget)) + "_to_" + targetToName(dstTarget);
2043
2044			const IVec3		targetSize2D	(128, 128, 1);
2045			const IVec3		targetSize3D	(128, 128, 16);
2046
2047			const IVec3		targetPos2D		(32, 32, 0);
2048			const IVec3		targetPos3D		(16, 16, 2);
2049			const IVec3		targetCopySize	(16, 16, 4);
2050
2051			const IVec3		srcSize			= getTestedSize(srcTarget, srcFormat, (srcIs3D ? targetSize3D : targetSize2D));
2052			const IVec3		dstSize			= getTestedSize(dstTarget, dstFormat, (dstIs3D ? targetSize3D : targetSize2D));
2053
2054			group->addChild(new CopyImageTest(root->getContext(),
2055											ImageInfo(srcFormat, srcTarget, srcSize),
2056											ImageInfo(dstFormat, dstTarget, dstSize),
2057											targetTestName.c_str(), targetTestName.c_str()));
2058		}
2059	}
2060}
2061
2062void CopyImageTests::init (void)
2063{
2064	TestCaseGroup* const	nonCompressedGroup	= new TestCaseGroup(m_context, "non_compressed", "Test copying between textures.");
2065	TestCaseGroup* const	compressedGroup		= new TestCaseGroup(m_context, "compressed", "Test copying between compressed textures.");
2066	TestCaseGroup* const	mixedGroup			= new TestCaseGroup(m_context, "mixed", "Test copying between compressed and non-compressed textures.");
2067
2068	addChild(nonCompressedGroup);
2069	addChild(compressedGroup);
2070	addChild(mixedGroup);
2071
2072	map<ViewClass, vector<deUint32> >							textureFormatViewClasses;
2073	map<ViewClass, vector<deUint32> >							compressedTextureFormatViewClasses;
2074	map<ViewClass, pair<vector<deUint32>, vector<deUint32> > >	mixedViewClasses;
2075
2076	// Texture view classes
2077	textureFormatViewClasses[VIEWCLASS_128_BITS]		= vector<deUint32>();
2078	textureFormatViewClasses[VIEWCLASS_96_BITS]			= vector<deUint32>();
2079	textureFormatViewClasses[VIEWCLASS_64_BITS]			= vector<deUint32>();
2080	textureFormatViewClasses[VIEWCLASS_48_BITS]			= vector<deUint32>();
2081	textureFormatViewClasses[VIEWCLASS_32_BITS]			= vector<deUint32>();
2082	textureFormatViewClasses[VIEWCLASS_24_BITS]			= vector<deUint32>();
2083	textureFormatViewClasses[VIEWCLASS_16_BITS]			= vector<deUint32>();
2084	textureFormatViewClasses[VIEWCLASS_8_BITS]			= vector<deUint32>();
2085
2086	// 128bit / VIEWCLASS_128_BITS
2087	textureFormatViewClasses[VIEWCLASS_128_BITS].push_back(GL_RGBA32F);
2088	textureFormatViewClasses[VIEWCLASS_128_BITS].push_back(GL_RGBA32I);
2089	textureFormatViewClasses[VIEWCLASS_128_BITS].push_back(GL_RGBA32UI);
2090
2091	// 96bit / VIEWCLASS_96_BITS
2092	textureFormatViewClasses[VIEWCLASS_96_BITS].push_back(GL_RGB32F);
2093	textureFormatViewClasses[VIEWCLASS_96_BITS].push_back(GL_RGB32I);
2094	textureFormatViewClasses[VIEWCLASS_96_BITS].push_back(GL_RGB32UI);
2095
2096	// 64bit / VIEWCLASS_64_BITS
2097	textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RG32F);
2098	textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RG32I);
2099	textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RG32UI);
2100
2101	textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RGBA16F);
2102	textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RGBA16I);
2103	textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RGBA16UI);
2104
2105	// 48bit / VIEWCLASS_48_BITS
2106	textureFormatViewClasses[VIEWCLASS_48_BITS].push_back(GL_RGB16F);
2107	textureFormatViewClasses[VIEWCLASS_48_BITS].push_back(GL_RGB16I);
2108	textureFormatViewClasses[VIEWCLASS_48_BITS].push_back(GL_RGB16UI);
2109
2110	// 32bit / VIEWCLASS_32_BITS
2111	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_R32F);
2112	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_R32I);
2113	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_R32UI);
2114
2115	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RG16F);
2116	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RG16I);
2117	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RG16UI);
2118
2119	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGBA8);
2120	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGBA8I);
2121	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGBA8UI);
2122
2123	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_R11F_G11F_B10F);
2124	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGB10_A2UI);
2125	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGB10_A2);
2126	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGBA8_SNORM);
2127	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_SRGB8_ALPHA8);
2128	textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGB9_E5);
2129
2130	// 24bit / VIEWCLASS_24_BITS
2131	textureFormatViewClasses[VIEWCLASS_24_BITS].push_back(GL_RGB8);
2132	textureFormatViewClasses[VIEWCLASS_24_BITS].push_back(GL_RGB8I);
2133	textureFormatViewClasses[VIEWCLASS_24_BITS].push_back(GL_RGB8UI);
2134	textureFormatViewClasses[VIEWCLASS_24_BITS].push_back(GL_RGB8_SNORM);
2135	textureFormatViewClasses[VIEWCLASS_24_BITS].push_back(GL_SRGB8);
2136
2137	// 16bit / VIEWCLASS_16_BITS
2138	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_R16F);
2139	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_R16I);
2140	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_R16UI);
2141
2142	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_RG8);
2143	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_RG8I);
2144	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_RG8UI);
2145	textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_RG8_SNORM);
2146
2147	// 8bit / VIEWCLASS_8_BITS
2148	textureFormatViewClasses[VIEWCLASS_8_BITS].push_back(GL_R8);
2149	textureFormatViewClasses[VIEWCLASS_8_BITS].push_back(GL_R8I);
2150	textureFormatViewClasses[VIEWCLASS_8_BITS].push_back(GL_R8UI);
2151	textureFormatViewClasses[VIEWCLASS_8_BITS].push_back(GL_R8_SNORM);
2152
2153	// Compressed texture view classes
2154	compressedTextureFormatViewClasses[VIEWCLASS_EAC_R11]			= vector<deUint32>();
2155	compressedTextureFormatViewClasses[VIEWCLASS_EAC_RG11]			= vector<deUint32>();
2156	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGB]			= vector<deUint32>();
2157	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGBA]			= vector<deUint32>();
2158	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_EAC_RGBA]		= vector<deUint32>();
2159	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_4x4_RGBA]		= vector<deUint32>();
2160	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x4_RGBA]		= vector<deUint32>();
2161	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x5_RGBA]		= vector<deUint32>();
2162	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x5_RGBA]		= vector<deUint32>();
2163	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x6_RGBA]		= vector<deUint32>();
2164	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x5_RGBA]		= vector<deUint32>();
2165	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x6_RGBA]		= vector<deUint32>();
2166	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x8_RGBA]		= vector<deUint32>();
2167	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x5_RGBA]	= vector<deUint32>();
2168	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x6_RGBA]	= vector<deUint32>();
2169	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x8_RGBA]	= vector<deUint32>();
2170	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x10_RGBA]	= vector<deUint32>();
2171	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x10_RGBA]	= vector<deUint32>();
2172	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x12_RGBA]	= vector<deUint32>();
2173
2174	// VIEWCLASS_EAC_R11
2175	compressedTextureFormatViewClasses[VIEWCLASS_EAC_R11].push_back(GL_COMPRESSED_R11_EAC);
2176	compressedTextureFormatViewClasses[VIEWCLASS_EAC_R11].push_back(GL_COMPRESSED_SIGNED_R11_EAC);
2177
2178	// VIEWCLASS_EAC_RG11
2179	compressedTextureFormatViewClasses[VIEWCLASS_EAC_RG11].push_back(GL_COMPRESSED_RG11_EAC);
2180	compressedTextureFormatViewClasses[VIEWCLASS_EAC_RG11].push_back(GL_COMPRESSED_SIGNED_RG11_EAC);
2181
2182	// VIEWCLASS_ETC2_RGB
2183	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGB].push_back(GL_COMPRESSED_RGB8_ETC2);
2184	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGB].push_back(GL_COMPRESSED_SRGB8_ETC2);
2185
2186	// VIEWCLASS_ETC2_RGBA
2187	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGBA].push_back(GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2);
2188	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGBA].push_back(GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2);
2189
2190	// VIEWCLASS_ETC2_EAC_RGBA
2191	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_EAC_RGBA].push_back(GL_COMPRESSED_RGBA8_ETC2_EAC);
2192	compressedTextureFormatViewClasses[VIEWCLASS_ETC2_EAC_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC);
2193
2194	// VIEWCLASS_ASTC_4x4_RGBA
2195	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_4x4_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_4x4_KHR);
2196	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_4x4_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR);
2197
2198	// VIEWCLASS_ASTC_5x4_RGBA
2199	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x4_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_5x4_KHR);
2200	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x4_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR);
2201
2202	// VIEWCLASS_ASTC_5x5_RGBA
2203	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x5_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_5x5_KHR);
2204	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x5_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR);
2205
2206	// VIEWCLASS_ASTC_6x5_RGBA
2207	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x5_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_6x5_KHR);
2208	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x5_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR);
2209
2210	// VIEWCLASS_ASTC_6x6_RGBA
2211	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x6_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_6x6_KHR);
2212	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x6_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR);
2213
2214	// VIEWCLASS_ASTC_8x5_RGBA
2215	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x5_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_8x5_KHR);
2216	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x5_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR);
2217
2218	// VIEWCLASS_ASTC_8x6_RGBA
2219	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x6_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_8x6_KHR);
2220	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x6_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR);
2221
2222	// VIEWCLASS_ASTC_8x8_RGBA
2223	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x8_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_8x8_KHR);
2224	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x8_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR);
2225
2226	// VIEWCLASS_ASTC_10x5_RGBA
2227	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x5_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_10x5_KHR);
2228	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x5_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR);
2229
2230	// VIEWCLASS_ASTC_10x6_RGBA
2231	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x6_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_10x6_KHR);
2232	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x6_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR);
2233
2234	// VIEWCLASS_ASTC_10x8_RGBA
2235	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x8_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_10x8_KHR);
2236	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x8_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR);
2237
2238	// VIEWCLASS_ASTC_10x10_RGBA
2239	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x10_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_10x10_KHR);
2240	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x10_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR);
2241
2242	// VIEWCLASS_ASTC_12x10_RGBA
2243	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x10_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_12x10_KHR);
2244	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x10_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR);
2245
2246	// VIEWCLASS_ASTC_12x12_RGBA
2247	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x12_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_12x12_KHR);
2248	compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x12_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR);
2249
2250	// Mixed view classes
2251	mixedViewClasses[VIEWCLASS_128_BITS] = pair<vector<deUint32>, vector<deUint32> >();
2252	mixedViewClasses[VIEWCLASS_64_BITS] = pair<vector<deUint32>, vector<deUint32> >();
2253
2254	// 128 bits
2255
2256	// Non compressed
2257	mixedViewClasses[VIEWCLASS_128_BITS].first.push_back(GL_RGBA32F);
2258	mixedViewClasses[VIEWCLASS_128_BITS].first.push_back(GL_RGBA32UI);
2259	mixedViewClasses[VIEWCLASS_128_BITS].first.push_back(GL_RGBA32I);
2260
2261	// Compressed
2262	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA8_ETC2_EAC);
2263	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC);
2264	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RG11_EAC);
2265	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SIGNED_RG11_EAC);
2266	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_4x4_KHR);
2267	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_5x4_KHR);
2268	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_5x5_KHR);
2269	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_6x5_KHR);
2270	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_6x6_KHR);
2271	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_8x5_KHR);
2272	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_8x6_KHR);
2273	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_8x8_KHR);
2274	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_10x5_KHR);
2275	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_10x6_KHR);
2276	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_10x8_KHR);
2277	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_10x10_KHR);
2278	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_12x10_KHR);
2279	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_12x12_KHR);
2280	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR);
2281	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR);
2282	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR);
2283	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR);
2284	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR);
2285	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR);
2286	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR);
2287	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR);
2288	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR);
2289	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR);
2290	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR);
2291	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR);
2292	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR);
2293	mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR);
2294
2295	// 64 bits
2296
2297	// Non compressed
2298	mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RGBA16F);
2299	mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RGBA16UI);
2300	mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RGBA16I);
2301
2302	mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RG32F);
2303	mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RG32UI);
2304	mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RG32I);
2305
2306	// Compressed
2307	mixedViewClasses[VIEWCLASS_64_BITS].second.push_back(GL_COMPRESSED_R11_EAC);
2308	mixedViewClasses[VIEWCLASS_64_BITS].second.push_back(GL_COMPRESSED_SIGNED_R11_EAC);
2309
2310	for (map<ViewClass, vector<deUint32> >::const_iterator viewClassIter = textureFormatViewClasses.begin(); viewClassIter != textureFormatViewClasses.end(); ++viewClassIter)
2311	{
2312		const vector<deUint32>&	formats		= viewClassIter->second;
2313		const ViewClass			viewClass	= viewClassIter->first;
2314		TestCaseGroup* const	viewGroup	= new TestCaseGroup(m_context, viewClassToName(viewClass), viewClassToName(viewClass));
2315
2316		nonCompressedGroup->addChild(viewGroup);
2317
2318		for (int srcFormatNdx = 0; srcFormatNdx < (int)formats.size(); srcFormatNdx++)
2319		for (int dstFormatNdx = 0; dstFormatNdx < (int)formats.size(); dstFormatNdx++)
2320		{
2321			const deUint32 srcFormat = formats[srcFormatNdx];
2322			const deUint32 dstFormat = formats[dstFormatNdx];
2323
2324			if (srcFormat != dstFormat && isFloatFormat(srcFormat) && isFloatFormat(dstFormat))
2325				continue;
2326
2327			addCopyTests(viewGroup, srcFormat, dstFormat);
2328		}
2329	}
2330
2331	for (map<ViewClass, vector<deUint32> >::const_iterator viewClassIter = compressedTextureFormatViewClasses.begin(); viewClassIter != compressedTextureFormatViewClasses.end(); ++viewClassIter)
2332	{
2333		const vector<deUint32>&	formats		= viewClassIter->second;
2334		const ViewClass			viewClass	= viewClassIter->first;
2335		TestCaseGroup* const	viewGroup	= new TestCaseGroup(m_context, viewClassToName(viewClass), viewClassToName(viewClass));
2336
2337		compressedGroup->addChild(viewGroup);
2338
2339		for (int srcFormatNdx = 0; srcFormatNdx < (int)formats.size(); srcFormatNdx++)
2340		for (int dstFormatNdx = 0; dstFormatNdx < (int)formats.size(); dstFormatNdx++)
2341		{
2342			const deUint32 srcFormat = formats[srcFormatNdx];
2343			const deUint32 dstFormat = formats[dstFormatNdx];
2344
2345			if (srcFormat != dstFormat && isFloatFormat(srcFormat) && isFloatFormat(dstFormat))
2346				continue;
2347
2348			addCopyTests(viewGroup, srcFormat, dstFormat);
2349		}
2350	}
2351
2352	for (map<ViewClass, pair<vector<deUint32>, vector<deUint32> > >::const_iterator iter = mixedViewClasses.begin(); iter != mixedViewClasses.end(); ++iter)
2353	{
2354		const ViewClass			viewClass				= iter->first;
2355		const string			viewClassName			= string(viewClassToName(viewClass)) + "_mixed";
2356		TestCaseGroup* const	viewGroup				= new TestCaseGroup(m_context, viewClassName.c_str(), viewClassName.c_str());
2357
2358		const vector<deUint32>	nonCompressedFormats	= iter->second.first;
2359		const vector<deUint32>	compressedFormats		= iter->second.second;
2360
2361		mixedGroup->addChild(viewGroup);
2362
2363		for (int srcFormatNdx = 0; srcFormatNdx < (int)nonCompressedFormats.size(); srcFormatNdx++)
2364		for (int dstFormatNdx = 0; dstFormatNdx < (int)compressedFormats.size(); dstFormatNdx++)
2365		{
2366			const deUint32 srcFormat = nonCompressedFormats[srcFormatNdx];
2367			const deUint32 dstFormat = compressedFormats[dstFormatNdx];
2368
2369			if (srcFormat != dstFormat && isFloatFormat(srcFormat) && isFloatFormat(dstFormat))
2370				continue;
2371
2372			addCopyTests(viewGroup, srcFormat, dstFormat);
2373			addCopyTests(viewGroup, dstFormat, srcFormat);
2374		}
2375	}
2376}
2377
2378} // anonymous
2379
2380TestCaseGroup* createCopyImageTests (Context& context)
2381{
2382	return new CopyImageTests(context);
2383}
2384
2385} // Functional
2386} // gles31
2387} // deqp
2388