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1 /*------------------------------------------------------------------------
2 * Vulkan Conformance Tests
3 * ------------------------
4 *
5 * Copyright (c) 2018 Google Inc.
6 * Copyright (c) 2018 The Khronos Group Inc.
7 * Copyright (c) 2016 Samsung Electronics Co., Ltd.
8 * Copyright (c) 2014 The Android Open Source Project
9 *
10 * Licensed under the Apache License, Version 2.0 (the "License");
11 * you may not use this file except in compliance with the License.
12 * You may obtain a copy of the License at
13 *
14 *      http://www.apache.org/licenses/LICENSE-2.0
15 *
16 * Unless required by applicable law or agreed to in writing, software
17 * distributed under the License is distributed on an "AS IS" BASIS,
18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19 * See the License for the specific language governing permissions and
20 * limitations under the License.
21 *
22 *//*!
23 * \file
24 * \brief Texture swizzle tests.
25 *//*--------------------------------------------------------------------*/
26 
27 #include "vktTextureSwizzleTests.hpp"
28 
29 #include "vkImageUtil.hpp"
30 #include "vktTestGroupUtil.hpp"
31 #include "vktTextureTestUtil.hpp"
32 
33 namespace vkt
34 {
35 namespace texture
36 {
37 namespace
38 {
39 
40 using namespace vk;
41 using namespace glu::TextureTestUtil;
42 using namespace texture::util;
43 
44 using std::string;
45 using std::vector;
46 using tcu::TestLog;
47 
isDefaultComponentMapping(VkComponentMapping mapping)48 bool isDefaultComponentMapping (VkComponentMapping mapping)
49 {
50 	if ((mapping.r == VK_COMPONENT_SWIZZLE_R || mapping.r == VK_COMPONENT_SWIZZLE_IDENTITY) &&
51 		(mapping.g == VK_COMPONENT_SWIZZLE_G || mapping.g == VK_COMPONENT_SWIZZLE_IDENTITY) &&
52 		(mapping.b == VK_COMPONENT_SWIZZLE_B || mapping.b == VK_COMPONENT_SWIZZLE_IDENTITY) &&
53 		(mapping.a == VK_COMPONENT_SWIZZLE_A || mapping.a == VK_COMPONENT_SWIZZLE_IDENTITY))
54 		return true;
55 	else
56 		return false;
57 }
58 
59 template <typename INSTANCE_TYPE>
60 class SwizzleTestCase : public TextureTestCase<INSTANCE_TYPE>
61 {
62 public:
SwizzleTestCase(tcu::TestContext & context,const std::string & name,const std::string & description,const typename INSTANCE_TYPE::ParameterType & testParameters)63 					SwizzleTestCase	(tcu::TestContext& context, const std::string& name, const std::string& description, const typename INSTANCE_TYPE::ParameterType& testParameters)
64 						: TextureTestCase<INSTANCE_TYPE>	(context, name, description, testParameters)
65 	{}
66 
initPrograms(vk::SourceCollections & programCollection) const67 	virtual void	initPrograms	(vk::SourceCollections& programCollection) const
68 	{
69 		initializePrograms(programCollection,
70 						   this->m_testsParameters.texCoordPrecision,
71 						   this->m_testsParameters.programs,
72 						   this->m_testsParameters.texCoordSwizzle);
73 	}
74 };
75 
76 struct Swizzle2DTestParameters : public Texture2DTestCaseParameters
77 {
78 										Swizzle2DTestParameters	(void);
79 	TextureBinding::ImageBackingMode	backingMode;
80 	vk::VkComponentMapping				componentMapping;
81 	const char*							texCoordSwizzle;
82 	const deUint8*						texCoordMapping;
83 };
84 
Swizzle2DTestParameters(void)85 Swizzle2DTestParameters::Swizzle2DTestParameters (void)
86 	: backingMode		(TextureBinding::IMAGE_BACKING_MODE_LAST)
87 	, componentMapping	(makeComponentMappingRGBA())
88 	, texCoordSwizzle	(DE_NULL)
89 	, texCoordMapping	(DE_NULL)
90 {
91 }
92 
93 class Swizzle2DTestInstance : public TestInstance
94 {
95 public:
96 	typedef Swizzle2DTestParameters	ParameterType;
97 
98 										Swizzle2DTestInstance	(Context&				context,
99 																 const ParameterType&	testParameters);
100 	tcu::TestStatus						iterate					(void);
101 
102 private:
103 										Swizzle2DTestInstance	(const Swizzle2DTestInstance& other);
104 	Swizzle2DTestInstance&				operator=				(const Swizzle2DTestInstance& other);
105 
106 	const ParameterType&				m_testParameters;
107 	const tcu::TextureFormat			m_format;
108 	const tcu::CompressedTexFormat		m_compressedFormat;
109 	TestTexture2DSp						m_texture;
110 	TextureRenderer						m_renderer;
111 };
112 
Swizzle2DTestInstance(Context & context,const ParameterType & testParameters)113 Swizzle2DTestInstance::Swizzle2DTestInstance (Context&				context,
114 											  const ParameterType&	testParameters)
115 	: TestInstance			(context)
116 	, m_testParameters		(testParameters)
117 	, m_format				(isCompressedFormat(m_testParameters.format)
118 								? tcu::TextureFormat() // Unused
119 								: mapVkFormat(testParameters.format))
120 	, m_compressedFormat	(isCompressedFormat(m_testParameters.format)
121 								? mapVkCompressedFormat(testParameters.format)
122 								: tcu::CompressedTexFormat()) // Unused
123 	, m_texture				(TestTexture2DSp(isCompressedFormat(m_testParameters.format)
124 								? new pipeline::TestTexture2D(m_compressedFormat, testParameters.width, testParameters.height)
125 								: new pipeline::TestTexture2D(m_format, testParameters.width, testParameters.height)))
126 	, m_renderer			(context, testParameters.sampleCount, testParameters.width, testParameters.height, testParameters.componentMapping)
127 {
128 	m_renderer.add2DTexture(m_texture, testParameters.aspectMask, testParameters.backingMode);
129 }
130 
iterate(void)131 tcu::TestStatus Swizzle2DTestInstance::iterate (void)
132 {
133 	tcu::TestLog&					log				= m_context.getTestContext().getLog();
134 	const pipeline::TestTexture2D&	texture			= m_renderer.get2DTexture(0);
135 	const tcu::TextureFormat		textureFormat	= texture.getTextureFormat();
136 	const float						lookupScale		= tcu::getTextureFormatInfo(textureFormat).lookupScale[0];
137 	const float						lookupBias		= tcu::getTextureFormatInfo(textureFormat).lookupBias[0];
138 
139 	ReferenceParams					sampleParams	(TEXTURETYPE_2D);
140 	tcu::Surface					rendered		(m_renderer.getRenderWidth(), m_renderer.getRenderHeight());
141 	vector<float>					texCoord;
142 
143 	// Params for reference
144 	sampleParams.sampler		= util::createSampler(m_testParameters.wrapS, m_testParameters.wrapT, m_testParameters.minFilter, m_testParameters.magFilter);
145 	sampleParams.samplerType	= isCompressedFormat(m_testParameters.format) ? SAMPLERTYPE_FLOAT : getSamplerType(m_format);
146 	sampleParams.lodMode		= LODMODE_EXACT;
147 	sampleParams.colorBias		= tcu::Vec4(lookupBias);
148 	sampleParams.colorScale		= tcu::Vec4(lookupScale);
149 
150 	if (sampleParams.colorBias != tcu::Vec4(0.0f))
151 		sampleParams.flags = RenderParams::USE_BIAS;
152 
153 	log << TestLog::Message << "Compare reference value = "	<< sampleParams.ref	<< TestLog::EndMessage;
154 	log << TestLog::Message << "Lookup scale = "			<< lookupScale		<< TestLog::EndMessage;
155 	log << TestLog::Message << "Lookup bias = "				<< lookupBias		<< TestLog::EndMessage;
156 
157 	computeQuadTexCoord2D(texCoord, tcu::Vec2(0.0f, 0.0f), tcu::Vec2(1.0f, 1.0f));
158 	m_renderer.renderQuad(rendered, 0, &texCoord[0], sampleParams);
159 
160 	const tcu::IVec4		formatBitDepth	= getTextureFormatBitDepth(vk::mapVkFormat(VK_FORMAT_R8G8B8A8_UNORM));
161 	const tcu::PixelFormat	pixelFormat		(formatBitDepth[0], formatBitDepth[1], formatBitDepth[2], formatBitDepth[3]);
162 	tcu::Surface			referenceFrame	(m_renderer.getRenderWidth(), m_renderer.getRenderHeight());
163 
164 	// Render reference (based on sampleTextureNonProjected in gluTextureTestUtil.cpp)
165 	{
166 		std::vector<tcu::ConstPixelBufferAccess>	storage;
167 		const tcu::Texture2DView					src			= getEffectiveTextureView(m_texture->getTexture(), storage, sampleParams.sampler);
168 		const tcu::SurfaceAccess					dst			= tcu::SurfaceAccess(referenceFrame, pixelFormat);
169 
170 		const tcu::IVec2							dstSize		= tcu::IVec2(dst.getWidth(), dst.getHeight());
171 		const tcu::IVec2							srcSize		= tcu::IVec2(src.getWidth(), src.getHeight());
172 
173 		const float									lodBias		= (sampleParams.flags & ReferenceParams::USE_BIAS) ? sampleParams.bias : 0.0f;
174 		const tcu::Vec4								sq			= tcu::Vec4(texCoord[0+0], texCoord[2+0], texCoord[4+0], texCoord[6+0]);
175 		const tcu::Vec4								tq			= tcu::Vec4(texCoord[0+1], texCoord[2+1], texCoord[4+1], texCoord[6+1]);
176 
177 		tcu::Vec3									tri[2][2]	=
178 		{
179 			{ sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) },
180 			{ tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }
181 		};
182 
183 		// Swizzle texture coordinates
184 		if (m_testParameters.texCoordMapping)
185 		{
186 			const tcu::Vec3 swz[2][2] =
187 			{
188 				{ tri[m_testParameters.texCoordMapping[0]][0], tri[m_testParameters.texCoordMapping[0]][1] },
189 				{ tri[m_testParameters.texCoordMapping[1]][0], tri[m_testParameters.texCoordMapping[1]][1] }
190 			};
191 
192 			memcpy(tri, swz, sizeof(tri));
193 		}
194 
195 		// Coordinates and lod per triangle
196 		const tcu::Vec3		triS[2]		= { tri[0][0], tri[0][1] };
197 		const tcu::Vec3		triT[2]		= { tri[1][0], tri[1][1] };
198 		const float			triLod[2]	= { de::clamp(computeNonProjectedTriLod(sampleParams.lodMode, dstSize, srcSize, triS[0], triT[0]) + lodBias, sampleParams.minLod, sampleParams.maxLod),
199 											de::clamp(computeNonProjectedTriLod(sampleParams.lodMode, dstSize, srcSize, triS[1], triT[1]) + lodBias, sampleParams.minLod, sampleParams.maxLod) };
200 
201 		for (int y = 0; y < dstSize.y(); y++)
202 		for (int x = 0; x < dstSize.x(); x++)
203 		{
204 			const float	yf		= ((float)y + 0.5f) / (float)dstSize.y();
205 			const float	xf		= ((float)x + 0.5f) / (float)dstSize.x();
206 
207 			const int	triNdx	= xf + yf >= 1.0f ? 1 : 0; // Top left fill rule
208 			const float	triX	= triNdx ? 1.0f-xf : xf;
209 			const float	triY	= triNdx ? 1.0f-yf : yf;
210 
211 			const float	s		= triangleInterpolate(triS[triNdx].x(), triS[triNdx].y(), triS[triNdx].z(), triX, triY);
212 			const float	t		= triangleInterpolate(triT[triNdx].x(), triT[triNdx].y(), triT[triNdx].z(), triX, triY);
213 			const float	lod		= triLod[triNdx];
214 
215 			dst.setPixel(src.sample(sampleParams.sampler, s, t, lod) * sampleParams.colorScale + sampleParams.colorBias, x, y);
216 		}
217 	}
218 
219 	// Reference component mapping swizzle
220 	if (!isDefaultComponentMapping(m_testParameters.componentMapping))
221 	{
222 		tcu::Surface				swzSurface	= referenceFrame;
223 		const tcu::IVec4			bitDepth	= getTextureFormatBitDepth(isCompressedFormat(m_testParameters.format)
224 													? getUncompressedFormat(m_compressedFormat)
225 													: m_format);
226 		const deUint8				one			= deUint8(255.0f * (lookupScale + lookupBias));
227 		const deUint8				zero		= deUint8(255.0f * lookupBias);
228 
229 		const VkComponentSwizzle	swizzle[]	=
230 		{
231 			m_testParameters.componentMapping.r,
232 			m_testParameters.componentMapping.g,
233 			m_testParameters.componentMapping.b,
234 			m_testParameters.componentMapping.a
235 		};
236 
237 		log << TestLog::Message << "Format bit depth = "	<< bitDepth		<< TestLog::EndMessage;
238 		log << TestLog::Message << "One = "					<< int(one)		<< TestLog::EndMessage;
239 		log << TestLog::Message << "Zero = "				<< int(zero)	<< TestLog::EndMessage;
240 
241 		for (int y = 0; y < m_testParameters.height; y++)
242 		for (int x = 0; x < m_testParameters.width; x++)
243 		{
244 			const tcu::RGBA		original	= referenceFrame.getPixel(x, y);
245 			tcu::IVec4			swizzled	= original.toIVec();
246 
247 			for (int ndx = 0; ndx < 4; ndx++)
248 			{
249 				switch (swizzle[ndx])
250 				{
251 					case VK_COMPONENT_SWIZZLE_ZERO:
252 						swizzled[ndx] = zero;
253 						break;
254 					case VK_COMPONENT_SWIZZLE_ONE:
255 						swizzled[ndx] = one;
256 						break;
257 					case VK_COMPONENT_SWIZZLE_R:
258 						swizzled[ndx] = bitDepth[0] ? original.getRed() : zero;
259 						break;
260 					case VK_COMPONENT_SWIZZLE_G:
261 						swizzled[ndx] = bitDepth[1] ? original.getGreen() : zero;
262 						break;
263 					case VK_COMPONENT_SWIZZLE_B:
264 						swizzled[ndx] = bitDepth[2] ? original.getBlue() : zero;
265 						break;
266 					case VK_COMPONENT_SWIZZLE_A:
267 						swizzled[ndx] = bitDepth[3] ? original.getAlpha() : one;
268 						break;
269 					default:
270 						DE_ASSERT(swizzle[ndx] == VK_COMPONENT_SWIZZLE_IDENTITY);
271 				}
272 			}
273 
274 			swzSurface.setPixel(x, y, tcu::RGBA(swizzled.x(), swizzled.y(), swizzled.z(), swizzled.w()));
275 		}
276 
277 		referenceFrame = swzSurface;
278 	}
279 
280 	// Compare and log
281 	const tcu::RGBA	threshold	= pixelFormat.getColorThreshold() + tcu::RGBA(2, 2, 2, 2);
282 	const bool		isOk		= compareImages(log, referenceFrame, rendered, threshold);
283 
284 	return isOk ? tcu::TestStatus::pass("Pass") : tcu::TestStatus::fail("Image verification failed");
285 }
286 
287 } // anonymous
288 
populateTextureSwizzleTests(tcu::TestCaseGroup * textureSwizzleTests)289 void populateTextureSwizzleTests (tcu::TestCaseGroup* textureSwizzleTests)
290 {
291 	tcu::TestContext&	testCtx	= textureSwizzleTests->getTestContext();
292 
293 	static const struct{
294 		const VkFormat	format;
295 		const Program	program;
296 	} formats2D[] =
297 	{
298 		{ VK_FORMAT_R4G4_UNORM_PACK8,			PROGRAM_2D_FLOAT		},
299 		{ VK_FORMAT_R4G4B4A4_UNORM_PACK16,		PROGRAM_2D_FLOAT		},
300 		{ VK_FORMAT_R5G6B5_UNORM_PACK16,		PROGRAM_2D_FLOAT		},
301 		{ VK_FORMAT_R5G5B5A1_UNORM_PACK16,		PROGRAM_2D_FLOAT		},
302 		{ VK_FORMAT_R8_UNORM,					PROGRAM_2D_FLOAT		},
303 		{ VK_FORMAT_R8_SNORM,					PROGRAM_2D_FLOAT_BIAS	},
304 		{ VK_FORMAT_R8_USCALED,					PROGRAM_2D_UINT			},
305 		{ VK_FORMAT_R8_SSCALED,					PROGRAM_2D_INT_BIAS		},
306 		{ VK_FORMAT_R8_UINT,					PROGRAM_2D_UINT			},
307 		{ VK_FORMAT_R8_SINT,					PROGRAM_2D_INT_BIAS		},
308 		{ VK_FORMAT_R8_SRGB,					PROGRAM_2D_FLOAT		},
309 		{ VK_FORMAT_R8G8_UNORM,					PROGRAM_2D_FLOAT		},
310 		{ VK_FORMAT_R8G8_SNORM,					PROGRAM_2D_FLOAT_BIAS	},
311 		{ VK_FORMAT_R8G8_USCALED,				PROGRAM_2D_UINT			},
312 		{ VK_FORMAT_R8G8_SSCALED,				PROGRAM_2D_INT_BIAS		},
313 		{ VK_FORMAT_R8G8_UINT,					PROGRAM_2D_UINT			},
314 		{ VK_FORMAT_R8G8_SINT,					PROGRAM_2D_INT_BIAS		},
315 		{ VK_FORMAT_R8G8_SRGB,					PROGRAM_2D_FLOAT		},
316 		{ VK_FORMAT_R8G8B8_UNORM,				PROGRAM_2D_FLOAT		},
317 		{ VK_FORMAT_R8G8B8_SNORM,				PROGRAM_2D_FLOAT_BIAS	},
318 		{ VK_FORMAT_R8G8B8_USCALED,				PROGRAM_2D_UINT			},
319 		{ VK_FORMAT_R8G8B8_SSCALED,				PROGRAM_2D_INT_BIAS		},
320 		{ VK_FORMAT_R8G8B8_UINT,				PROGRAM_2D_UINT			},
321 		{ VK_FORMAT_R8G8B8_SINT,				PROGRAM_2D_INT_BIAS		},
322 		{ VK_FORMAT_R8G8B8_SRGB,				PROGRAM_2D_FLOAT		},
323 		{ VK_FORMAT_R8G8B8A8_UNORM,				PROGRAM_2D_FLOAT		},
324 		{ VK_FORMAT_R8G8B8A8_SNORM,				PROGRAM_2D_FLOAT_BIAS	},
325 		{ VK_FORMAT_R8G8B8A8_USCALED,			PROGRAM_2D_UINT			},
326 		{ VK_FORMAT_R8G8B8A8_SSCALED,			PROGRAM_2D_INT_BIAS		},
327 		{ VK_FORMAT_R8G8B8A8_UINT,				PROGRAM_2D_UINT			},
328 		{ VK_FORMAT_R8G8B8A8_SINT,				PROGRAM_2D_INT_BIAS		},
329 		{ VK_FORMAT_R8G8B8A8_SRGB,				PROGRAM_2D_FLOAT		},
330 		{ VK_FORMAT_A2R10G10B10_UNORM_PACK32,	PROGRAM_2D_FLOAT		},
331 		{ VK_FORMAT_A2R10G10B10_UINT_PACK32,	PROGRAM_2D_UINT			},
332 		{ VK_FORMAT_A2B10G10R10_USCALED_PACK32,	PROGRAM_2D_UINT			},
333 		{ VK_FORMAT_R16_UNORM,					PROGRAM_2D_FLOAT		},
334 		{ VK_FORMAT_R16_SNORM,					PROGRAM_2D_FLOAT_BIAS	},
335 		{ VK_FORMAT_R16_USCALED,				PROGRAM_2D_UINT			},
336 		{ VK_FORMAT_R16_SSCALED,				PROGRAM_2D_INT_BIAS		},
337 		{ VK_FORMAT_R16_UINT,					PROGRAM_2D_UINT			},
338 		{ VK_FORMAT_R16_SINT,					PROGRAM_2D_INT_BIAS		},
339 		{ VK_FORMAT_R16_SFLOAT,					PROGRAM_2D_FLOAT_BIAS	},
340 		{ VK_FORMAT_R16G16_UNORM,				PROGRAM_2D_FLOAT		},
341 		{ VK_FORMAT_R16G16_SNORM,				PROGRAM_2D_FLOAT_BIAS	},
342 		{ VK_FORMAT_R16G16_USCALED,				PROGRAM_2D_UINT			},
343 		{ VK_FORMAT_R16G16_SSCALED,				PROGRAM_2D_INT_BIAS		},
344 		{ VK_FORMAT_R16G16_UINT,				PROGRAM_2D_UINT			},
345 		{ VK_FORMAT_R16G16_SINT,				PROGRAM_2D_INT_BIAS		},
346 		{ VK_FORMAT_R16G16_SFLOAT,				PROGRAM_2D_FLOAT_BIAS	},
347 		{ VK_FORMAT_R16G16B16_UNORM,			PROGRAM_2D_FLOAT		},
348 		{ VK_FORMAT_R16G16B16_SNORM,			PROGRAM_2D_FLOAT_BIAS	},
349 		{ VK_FORMAT_R16G16B16_USCALED,			PROGRAM_2D_UINT			},
350 		{ VK_FORMAT_R16G16B16_SSCALED,			PROGRAM_2D_INT_BIAS		},
351 		{ VK_FORMAT_R16G16B16_UINT,				PROGRAM_2D_UINT			},
352 		{ VK_FORMAT_R16G16B16_SINT,				PROGRAM_2D_INT_BIAS		},
353 		{ VK_FORMAT_R16G16B16_SFLOAT,			PROGRAM_2D_FLOAT_BIAS	},
354 		{ VK_FORMAT_R16G16B16A16_UNORM,			PROGRAM_2D_FLOAT		},
355 		{ VK_FORMAT_R16G16B16A16_SNORM,			PROGRAM_2D_FLOAT_BIAS	},
356 		{ VK_FORMAT_R16G16B16A16_USCALED,		PROGRAM_2D_UINT			},
357 		{ VK_FORMAT_R16G16B16A16_SSCALED,		PROGRAM_2D_INT_BIAS		},
358 		{ VK_FORMAT_R16G16B16A16_UINT,			PROGRAM_2D_UINT			},
359 		{ VK_FORMAT_R16G16B16A16_SINT,			PROGRAM_2D_INT_BIAS		},
360 		{ VK_FORMAT_R16G16B16A16_SFLOAT,		PROGRAM_2D_FLOAT_BIAS	},
361 		{ VK_FORMAT_R32_UINT,					PROGRAM_2D_UINT			},
362 		{ VK_FORMAT_R32_SINT,					PROGRAM_2D_INT_BIAS		},
363 		{ VK_FORMAT_R32_SFLOAT,					PROGRAM_2D_FLOAT_BIAS	},
364 		{ VK_FORMAT_R32G32_UINT,				PROGRAM_2D_UINT			},
365 		{ VK_FORMAT_R32G32_SINT,				PROGRAM_2D_INT_BIAS		},
366 		{ VK_FORMAT_R32G32_SFLOAT,				PROGRAM_2D_FLOAT_BIAS	},
367 		{ VK_FORMAT_R32G32B32_UINT,				PROGRAM_2D_UINT			},
368 		{ VK_FORMAT_R32G32B32_SINT,				PROGRAM_2D_INT_BIAS		},
369 		{ VK_FORMAT_R32G32B32_SFLOAT,			PROGRAM_2D_FLOAT_BIAS	},
370 		{ VK_FORMAT_R32G32B32A32_UINT,			PROGRAM_2D_UINT			},
371 		{ VK_FORMAT_R32G32B32A32_SINT,			PROGRAM_2D_INT_BIAS		},
372 		{ VK_FORMAT_R32G32B32A32_SFLOAT,		PROGRAM_2D_FLOAT_BIAS	},
373 		{ VK_FORMAT_B10G11R11_UFLOAT_PACK32,	PROGRAM_2D_FLOAT		},
374 		{ VK_FORMAT_E5B9G9R9_UFLOAT_PACK32,		PROGRAM_2D_FLOAT		},
375 		{ VK_FORMAT_B4G4R4A4_UNORM_PACK16,		PROGRAM_2D_FLOAT		},
376 		{ VK_FORMAT_B5G5R5A1_UNORM_PACK16,		PROGRAM_2D_FLOAT		},
377 		{ VK_FORMAT_A4R4G4B4_UNORM_PACK16_EXT,	PROGRAM_2D_FLOAT		},
378 		{ VK_FORMAT_A4B4G4R4_UNORM_PACK16_EXT,	PROGRAM_2D_FLOAT		},
379 
380 		// Compressed formats
381 		{ VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK,	PROGRAM_2D_FLOAT		},
382 		{ VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK,		PROGRAM_2D_FLOAT		},
383 		{ VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK,	PROGRAM_2D_FLOAT		},
384 		{ VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK,	PROGRAM_2D_FLOAT		},
385 		{ VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK,	PROGRAM_2D_FLOAT		},
386 		{ VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK,	PROGRAM_2D_FLOAT		},
387 		{ VK_FORMAT_EAC_R11_UNORM_BLOCK,		PROGRAM_2D_FLOAT		},
388 		{ VK_FORMAT_EAC_R11_SNORM_BLOCK,		PROGRAM_2D_FLOAT_BIAS	},
389 		{ VK_FORMAT_EAC_R11G11_UNORM_BLOCK,		PROGRAM_2D_FLOAT		},
390 		{ VK_FORMAT_EAC_R11G11_SNORM_BLOCK,		PROGRAM_2D_FLOAT_BIAS	},
391 		{ VK_FORMAT_ASTC_4x4_UNORM_BLOCK,		PROGRAM_2D_FLOAT_BIAS	},
392 		{ VK_FORMAT_ASTC_4x4_SRGB_BLOCK,		PROGRAM_2D_FLOAT		},
393 		{ VK_FORMAT_ASTC_5x4_UNORM_BLOCK,		PROGRAM_2D_FLOAT_BIAS	},
394 		{ VK_FORMAT_ASTC_5x4_SRGB_BLOCK,		PROGRAM_2D_FLOAT		},
395 		{ VK_FORMAT_ASTC_5x5_UNORM_BLOCK,		PROGRAM_2D_FLOAT_BIAS	},
396 		{ VK_FORMAT_ASTC_5x5_SRGB_BLOCK,		PROGRAM_2D_FLOAT		},
397 		{ VK_FORMAT_ASTC_6x5_UNORM_BLOCK,		PROGRAM_2D_FLOAT_BIAS	},
398 		{ VK_FORMAT_ASTC_6x5_SRGB_BLOCK,		PROGRAM_2D_FLOAT		},
399 		{ VK_FORMAT_ASTC_6x6_UNORM_BLOCK,		PROGRAM_2D_FLOAT_BIAS	},
400 		{ VK_FORMAT_ASTC_6x6_SRGB_BLOCK,		PROGRAM_2D_FLOAT		},
401 		{ VK_FORMAT_ASTC_8x5_UNORM_BLOCK,		PROGRAM_2D_FLOAT_BIAS	},
402 		{ VK_FORMAT_ASTC_8x5_SRGB_BLOCK,		PROGRAM_2D_FLOAT		},
403 		{ VK_FORMAT_ASTC_8x6_UNORM_BLOCK,		PROGRAM_2D_FLOAT_BIAS	},
404 		{ VK_FORMAT_ASTC_8x6_SRGB_BLOCK,		PROGRAM_2D_FLOAT		},
405 		{ VK_FORMAT_ASTC_8x8_UNORM_BLOCK,		PROGRAM_2D_FLOAT_BIAS	},
406 		{ VK_FORMAT_ASTC_8x8_SRGB_BLOCK,		PROGRAM_2D_FLOAT		},
407 		{ VK_FORMAT_ASTC_10x5_UNORM_BLOCK,		PROGRAM_2D_FLOAT_BIAS	},
408 		{ VK_FORMAT_ASTC_10x5_SRGB_BLOCK,		PROGRAM_2D_FLOAT		},
409 		{ VK_FORMAT_ASTC_10x6_UNORM_BLOCK,		PROGRAM_2D_FLOAT_BIAS	},
410 		{ VK_FORMAT_ASTC_10x6_SRGB_BLOCK,		PROGRAM_2D_FLOAT		},
411 		{ VK_FORMAT_ASTC_10x8_UNORM_BLOCK,		PROGRAM_2D_FLOAT_BIAS	},
412 		{ VK_FORMAT_ASTC_10x8_SRGB_BLOCK,		PROGRAM_2D_FLOAT		},
413 		{ VK_FORMAT_ASTC_10x10_UNORM_BLOCK,		PROGRAM_2D_FLOAT_BIAS	},
414 		{ VK_FORMAT_ASTC_10x10_SRGB_BLOCK,		PROGRAM_2D_FLOAT		},
415 		{ VK_FORMAT_ASTC_12x10_UNORM_BLOCK,		PROGRAM_2D_FLOAT_BIAS	},
416 		{ VK_FORMAT_ASTC_12x10_SRGB_BLOCK,		PROGRAM_2D_FLOAT		},
417 		{ VK_FORMAT_ASTC_12x12_UNORM_BLOCK,		PROGRAM_2D_FLOAT_BIAS	},
418 		{ VK_FORMAT_ASTC_12x12_SRGB_BLOCK,		PROGRAM_2D_FLOAT		}
419 	};
420 
421 	static const struct {
422 		const char*		name;
423 		const deUint32	width;
424 		const deUint32	height;
425 	} sizes2D[] =
426 	{
427 		{ "pot",	128,	64,	},
428 		{ "npot",	51,		65	},
429 	};
430 
431 	static const struct {
432 		const char*								name;
433 		const TextureBinding::ImageBackingMode	backingMode;
434 	} backingModes[] =
435 	{
436 		{ "",			TextureBinding::IMAGE_BACKING_MODE_REGULAR	},
437 #ifndef CTS_USES_VULKANSC
438 		{ "_sparse",	TextureBinding::IMAGE_BACKING_MODE_SPARSE	}
439 #endif // CTS_USES_VULKANSC
440 	};
441 
442 	static const struct {
443 		const char*					name;
444 		const VkComponentMapping	componentMapping;
445 	} componentMappings[] =
446 	{
447 		{ "zzzz",	{VK_COMPONENT_SWIZZLE_ZERO,		VK_COMPONENT_SWIZZLE_ZERO,		VK_COMPONENT_SWIZZLE_ZERO,		VK_COMPONENT_SWIZZLE_ZERO}		},
448 		{ "oooo",	{VK_COMPONENT_SWIZZLE_ONE,		VK_COMPONENT_SWIZZLE_ONE,		VK_COMPONENT_SWIZZLE_ONE,		VK_COMPONENT_SWIZZLE_ONE}		},
449 		{ "rrrr",	{VK_COMPONENT_SWIZZLE_R,		VK_COMPONENT_SWIZZLE_R,			VK_COMPONENT_SWIZZLE_R,			VK_COMPONENT_SWIZZLE_R}			},
450 		{ "gggg",	{VK_COMPONENT_SWIZZLE_G,		VK_COMPONENT_SWIZZLE_G,			VK_COMPONENT_SWIZZLE_G,			VK_COMPONENT_SWIZZLE_G}			},
451 		{ "bbbb",	{VK_COMPONENT_SWIZZLE_B,		VK_COMPONENT_SWIZZLE_B,			VK_COMPONENT_SWIZZLE_B,			VK_COMPONENT_SWIZZLE_B}			},
452 		{ "aaaa",	{VK_COMPONENT_SWIZZLE_A,		VK_COMPONENT_SWIZZLE_A,			VK_COMPONENT_SWIZZLE_A,			VK_COMPONENT_SWIZZLE_A}			},
453 		{ "rgba",	{VK_COMPONENT_SWIZZLE_R,		VK_COMPONENT_SWIZZLE_G,			VK_COMPONENT_SWIZZLE_B,			VK_COMPONENT_SWIZZLE_A}			},
454 		{ "iiii",	{VK_COMPONENT_SWIZZLE_IDENTITY,	VK_COMPONENT_SWIZZLE_IDENTITY,	VK_COMPONENT_SWIZZLE_IDENTITY,	VK_COMPONENT_SWIZZLE_IDENTITY}	},
455 		{ "abgr",	{VK_COMPONENT_SWIZZLE_A,		VK_COMPONENT_SWIZZLE_B,			VK_COMPONENT_SWIZZLE_G,			VK_COMPONENT_SWIZZLE_R}			},
456 	};
457 
458 	static const struct {
459 		const char*		swizzle;
460 		const deUint8	mapping[2];
461 	} texCoordSwizzles2d[] =
462 	{
463 		{ "yx", { 1, 0 } },
464 		{ "xx", { 0, 0 } },
465 		{ "yy", { 1, 1 } }
466 	};
467 
468 	de::MovePtr<tcu::TestCaseGroup>	groupCompMap	(new tcu::TestCaseGroup(testCtx, "component_mapping",	"Component mapping swizzles"));
469 	de::MovePtr<tcu::TestCaseGroup>	groupTexCoord	(new tcu::TestCaseGroup(testCtx, "texture_coordinate",	"Texture coordinate swizzles"));
470 
471 	// 2D Component mapping swizzles
472 	for (int sizeNdx = 0; sizeNdx < DE_LENGTH_OF_ARRAY(sizes2D); sizeNdx++)
473 	for (int formatNdx = 0; formatNdx < DE_LENGTH_OF_ARRAY(formats2D); formatNdx++)
474 	for (int backingNdx = 0; backingNdx < DE_LENGTH_OF_ARRAY(backingModes); backingNdx++)
475 	for (int mappingNdx = 0; mappingNdx < DE_LENGTH_OF_ARRAY(componentMappings); mappingNdx++)
476 	{
477 		const string formatStr	= de::toString(getFormatStr(formats2D[formatNdx].format));
478 		const string caseDesc	= formatStr + ", TEXTURETYPE_2D";
479 		const string caseName	= de::toLower(formatStr.substr(10)) + "_2d"
480 								+ "_" + sizes2D[sizeNdx].name
481 								+ backingModes[backingNdx].name
482 								+ "_" + componentMappings[mappingNdx].name;
483 
484 		Swizzle2DTestParameters	testParameters;
485 		testParameters.format			= formats2D[formatNdx].format;
486 		testParameters.backingMode		= backingModes[backingNdx].backingMode;
487 		testParameters.componentMapping	= componentMappings[mappingNdx].componentMapping;
488 		testParameters.width			= sizes2D[sizeNdx].width;
489 		testParameters.height			= sizes2D[sizeNdx].height;
490 		testParameters.minFilter		= tcu::Sampler::NEAREST;
491 		testParameters.magFilter		= tcu::Sampler::NEAREST;
492 		testParameters.aspectMask		= VK_IMAGE_ASPECT_COLOR_BIT;
493 		testParameters.programs.push_back(formats2D[formatNdx].program);
494 
495 		groupCompMap->addChild(new SwizzleTestCase<Swizzle2DTestInstance>(testCtx, caseName.c_str(), caseDesc.c_str(), testParameters));
496 	}
497 
498 	// 2D Texture coordinate swizzles
499 	for (int sizeNdx = 0; sizeNdx < DE_LENGTH_OF_ARRAY(sizes2D); sizeNdx++)
500 	for (int formatNdx = 0; formatNdx < DE_LENGTH_OF_ARRAY(formats2D); formatNdx++)
501 	for (int backingNdx = 0; backingNdx < DE_LENGTH_OF_ARRAY(backingModes); backingNdx++)
502 	for (int swizzleNdx = 0; swizzleNdx < DE_LENGTH_OF_ARRAY(texCoordSwizzles2d); swizzleNdx++)
503 	{
504 		const string formatStr	= de::toString(getFormatStr(formats2D[formatNdx].format));
505 		const string caseDesc	= formatStr + ", TEXTURETYPE_2D";
506 		const string caseName	= de::toLower(formatStr.substr(10)) + "_2d"
507 								+ "_" + sizes2D[sizeNdx].name
508 								+ backingModes[backingNdx].name
509 								+ "_" + texCoordSwizzles2d[swizzleNdx].swizzle;
510 
511 		Swizzle2DTestParameters	testParameters;
512 		testParameters.format			= formats2D[formatNdx].format;
513 		testParameters.backingMode		= backingModes[backingNdx].backingMode;
514 		testParameters.componentMapping	= makeComponentMappingRGBA();
515 		testParameters.texCoordSwizzle	= texCoordSwizzles2d[swizzleNdx].swizzle;
516 		testParameters.texCoordMapping	= texCoordSwizzles2d[swizzleNdx].mapping;
517 		testParameters.width			= sizes2D[sizeNdx].width;
518 		testParameters.height			= sizes2D[sizeNdx].height;
519 		testParameters.minFilter		= tcu::Sampler::NEAREST;
520 		testParameters.magFilter		= tcu::Sampler::NEAREST;
521 		testParameters.aspectMask		= VK_IMAGE_ASPECT_COLOR_BIT;
522 		testParameters.programs.push_back(formats2D[formatNdx].program);
523 
524 		groupTexCoord->addChild(new SwizzleTestCase<Swizzle2DTestInstance>(testCtx, caseName.c_str(), caseDesc.c_str(), testParameters));
525 	}
526 
527 	textureSwizzleTests->addChild(groupCompMap.release());
528 	textureSwizzleTests->addChild(groupTexCoord.release());
529 }
530 
createTextureSwizzleTests(tcu::TestContext & testCtx)531 tcu::TestCaseGroup* createTextureSwizzleTests (tcu::TestContext& testCtx)
532 {
533 	return createTestGroup(testCtx, "swizzle", "Texture swizzle tests.", populateTextureSwizzleTests);
534 }
535 
536 } // texture
537 } // vkt
538