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      1 /*------------------------------------------------------------------------
      2  * Vulkan Conformance Tests
      3  * ------------------------
      4  *
      5  * Copyright (c) 2017 The Khronos Group Inc.
      6  * Copyright (c) 2017 Samsung Electronics Co., Ltd.
      7  *
      8  * Licensed under the Apache License, Version 2.0 (the "License");
      9  * you may not use this file except in compliance with the License.
     10  * You may obtain a copy of the License at
     11  *
     12  *      http://www.apache.org/licenses/LICENSE-2.0
     13  *
     14  * Unless required by applicable law or agreed to in writing, software
     15  * distributed under the License is distributed on an "AS IS" BASIS,
     16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     17  * See the License for the specific language governing permissions and
     18  * limitations under the License.
     19  *
     20  *//*!
     21  * \file
     22  * \brief Protected memory blit image tests
     23  *//*--------------------------------------------------------------------*/
     24 
     25 #include "vktProtectedMemBlitImageTests.hpp"
     26 
     27 #include "deRandom.hpp"
     28 #include "tcuTestLog.hpp"
     29 #include "tcuVector.hpp"
     30 
     31 #include "vkPrograms.hpp"
     32 #include "vktTestCase.hpp"
     33 #include "vktTestGroupUtil.hpp"
     34 #include "vkTypeUtil.hpp"
     35 #include "vkBuilderUtil.hpp"
     36 
     37 #include "vktProtectedMemContext.hpp"
     38 #include "vktProtectedMemUtils.hpp"
     39 #include "vktProtectedMemImageValidator.hpp"
     40 
     41 namespace vkt
     42 {
     43 namespace ProtectedMem
     44 {
     45 
     46 namespace
     47 {
     48 
     49 enum {
     50 	RENDER_WIDTH	= 128,
     51 	RENDER_HEIGHT	= 128,
     52 };
     53 
     54 class BlitImageTestInstance : public ProtectedTestInstance
     55 {
     56 public:
     57 									BlitImageTestInstance	(Context&						ctx,
     58 															 const vk::VkClearColorValue&	clearColorValue,
     59 															 const ValidationData&			refData,
     60 															 const ImageValidator&			validator,
     61 															 const CmdBufferType			cmdBufferType);
     62 	virtual tcu::TestStatus			iterate					 (void);
     63 
     64 private:
     65 	const vk::VkFormat				m_imageFormat;
     66 	const vk::VkClearColorValue&	m_clearColorValue;
     67 	const ValidationData&			m_refData;
     68 	const ImageValidator&			m_validator;
     69 	const CmdBufferType				m_cmdBufferType;
     70 };
     71 
     72 class BlitImageTestCase : public TestCase
     73 {
     74 public:
     75 								BlitImageTestCase			(tcu::TestContext&			testCtx,
     76 															 const std::string&			name,
     77 															 vk::VkClearColorValue		clearColorValue,
     78 															 ValidationData				data,
     79 															 CmdBufferType				cmdBufferType)
     80 									: TestCase				(testCtx, name, "Clear and blit image.")
     81 									, m_clearColorValue		(clearColorValue)
     82 									, m_refData				(data)
     83 									, m_cmdBufferType		(cmdBufferType)
     84 								{
     85 								}
     86 
     87 	virtual						~BlitImageTestCase			(void) {}
     88 	virtual TestInstance*		createInstance				(Context& ctx) const
     89 								{
     90 									return new BlitImageTestInstance(ctx, m_clearColorValue, m_refData, m_validator, m_cmdBufferType);
     91 								}
     92 	virtual void				initPrograms				(vk::SourceCollections& programCollection) const
     93 								{
     94 									m_validator.initPrograms(programCollection);
     95 								}
     96 private:
     97 	vk::VkClearColorValue		m_clearColorValue;
     98 	ValidationData				m_refData;
     99 	ImageValidator				m_validator;
    100 	CmdBufferType				m_cmdBufferType;
    101 };
    102 
    103 BlitImageTestInstance::BlitImageTestInstance	(Context&						ctx,
    104 												 const vk::VkClearColorValue&	clearColorValue,
    105 												 const ValidationData&			refData,
    106 												 const ImageValidator&			validator,
    107 															 const CmdBufferType			cmdBufferType)
    108 	: ProtectedTestInstance		(ctx)
    109 	, m_imageFormat				(vk::VK_FORMAT_R8G8B8A8_UNORM)
    110 	, m_clearColorValue			(clearColorValue)
    111 	, m_refData					(refData)
    112 	, m_validator				(validator)
    113 	, m_cmdBufferType			(cmdBufferType)
    114 {
    115 }
    116 
    117 tcu::TestStatus BlitImageTestInstance::iterate()
    118 {
    119 	ProtectedContext&					ctx					(m_protectedContext);
    120 	const vk::DeviceInterface&			vk					= ctx.getDeviceInterface();
    121 	const vk::VkDevice					device				= ctx.getDevice();
    122 	const vk::VkQueue					queue				= ctx.getQueue();
    123 	const deUint32						queueFamilyIndex	= ctx.getQueueFamilyIndex();
    124 
    125 	// Create images
    126 	de::MovePtr<vk::ImageWithMemory>	colorImage			= createImage2D(ctx, PROTECTION_ENABLED, queueFamilyIndex,
    127 																			RENDER_WIDTH, RENDER_HEIGHT,
    128 																			m_imageFormat,
    129 																			vk::VK_IMAGE_USAGE_SAMPLED_BIT
    130 																			| vk::VK_IMAGE_USAGE_TRANSFER_DST_BIT);
    131 	de::MovePtr<vk::ImageWithMemory>	colorImageSrc		= createImage2D(ctx, PROTECTION_ENABLED, queueFamilyIndex,
    132 																			RENDER_WIDTH, RENDER_HEIGHT,
    133 																			m_imageFormat,
    134 																			vk::VK_IMAGE_USAGE_SAMPLED_BIT
    135 																			| vk::VK_IMAGE_USAGE_TRANSFER_DST_BIT
    136 																			| vk::VK_IMAGE_USAGE_TRANSFER_SRC_BIT);
    137 
    138 	vk::Unique<vk::VkPipelineLayout>	pipelineLayout		(createPipelineLayout(ctx, 0u, DE_NULL));
    139 
    140 	vk::Unique<vk::VkCommandPool>		cmdPool				(makeCommandPool(vk, device, PROTECTION_ENABLED, queueFamilyIndex));
    141 	vk::Unique<vk::VkCommandBuffer>		cmdBuffer			(vk::allocateCommandBuffer(vk, device, *cmdPool, vk::VK_COMMAND_BUFFER_LEVEL_PRIMARY));
    142 	vk::Unique<vk::VkCommandBuffer>		secondaryCmdBuffer	(vk::allocateCommandBuffer(vk, device, *cmdPool, vk::VK_COMMAND_BUFFER_LEVEL_SECONDARY));
    143 	vk::VkCommandBuffer					targetCmdBuffer		= (m_cmdBufferType == CMD_BUFFER_SECONDARY) ? *secondaryCmdBuffer : *cmdBuffer;
    144 
    145 	// Begin cmd buffer
    146 	beginCommandBuffer(vk, *cmdBuffer);
    147 
    148 	if (m_cmdBufferType == CMD_BUFFER_SECONDARY)
    149 	{
    150 		// Begin secondary command buffer
    151 		const vk::VkCommandBufferInheritanceInfo	secCmdBufInheritInfo	=
    152 		{
    153 			vk::VK_STRUCTURE_TYPE_COMMAND_BUFFER_INHERITANCE_INFO,
    154 			DE_NULL,
    155 			(vk::VkRenderPass)0u,										// renderPass
    156 			0u,															// subpass
    157 			(vk::VkFramebuffer)0u,										// framebuffer
    158 			VK_FALSE,													// occlusionQueryEnable
    159 			(vk::VkQueryControlFlags)0u,								// queryFlags
    160 			(vk::VkQueryPipelineStatisticFlags)0u,						// pipelineStatistics
    161 		};
    162 		beginSecondaryCommandBuffer(vk, *secondaryCmdBuffer, secCmdBufInheritInfo);
    163 	}
    164 
    165 	// Start image barrier for source image.
    166 	{
    167 		const vk::VkImageMemoryBarrier	startImgBarrier		=
    168 		{
    169 			vk::VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,			// sType
    170 			DE_NULL,											// pNext
    171 			0,													// srcAccessMask
    172 			vk::VK_ACCESS_TRANSFER_WRITE_BIT,					// dstAccessMask
    173 			vk::VK_IMAGE_LAYOUT_UNDEFINED,						// oldLayout
    174 			vk::VK_IMAGE_LAYOUT_GENERAL,						// newLayout
    175 			queueFamilyIndex,									// srcQueueFamilyIndex
    176 			queueFamilyIndex,									// dstQueueFamilyIndex
    177 			**colorImageSrc,									// image
    178 			{
    179 				vk::VK_IMAGE_ASPECT_COLOR_BIT,					// aspectMask
    180 				0u,												// baseMipLevel
    181 				1u,												// mipLevels
    182 				0u,												// baseArraySlice
    183 				1u,												// subresourceRange
    184 			}
    185 		};
    186 
    187 		vk.cmdPipelineBarrier(targetCmdBuffer,
    188 							  vk::VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
    189 							  vk::VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT,
    190 							  (vk::VkDependencyFlags)0,
    191 							  0, (const vk::VkMemoryBarrier*)DE_NULL,
    192 							  0, (const vk::VkBufferMemoryBarrier*)DE_NULL,
    193 							  1, &startImgBarrier);
    194 	}
    195 
    196 	// Image clear
    197 	const vk::VkImageSubresourceRange subresourceRange =
    198 	{
    199 		vk::VK_IMAGE_ASPECT_COLOR_BIT,							// VkImageAspectFlags			aspectMask
    200 		0u,														// uint32_t						baseMipLevel
    201 		1u,														// uint32_t						levelCount
    202 		0u,														// uint32_t						baseArrayLayer
    203 		1u,														// uint32_t						layerCount
    204 	};
    205 	vk.cmdClearColorImage(targetCmdBuffer, **colorImageSrc, vk::VK_IMAGE_LAYOUT_GENERAL, &m_clearColorValue, 1, &subresourceRange);
    206 
    207 	// Image barrier to change accessMask to transfer read bit for source image.
    208 	{
    209 		const vk::VkImageMemoryBarrier initializeBarrier =
    210 		{
    211 			vk::VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,			// sType
    212 			DE_NULL,											// pNext
    213 			vk::VK_ACCESS_TRANSFER_WRITE_BIT,					// srcAccessMask
    214 			vk::VK_ACCESS_TRANSFER_READ_BIT,					// dstAccessMask
    215 			vk::VK_IMAGE_LAYOUT_GENERAL,						// oldLayout
    216 			vk::VK_IMAGE_LAYOUT_GENERAL,						// newLayout
    217 			queueFamilyIndex,									// srcQueueFamilyIndex
    218 			queueFamilyIndex,									// dstQueueFamilyIndex
    219 			**colorImageSrc,									// image
    220 			{
    221 				vk::VK_IMAGE_ASPECT_COLOR_BIT,					// aspectMask
    222 				0u,												// baseMipLevel
    223 				1u,												// mipLevels
    224 				0u,												// baseArraySlice
    225 				1u,												// subresourceRange
    226 			}
    227 		};
    228 
    229 		vk.cmdPipelineBarrier(targetCmdBuffer,
    230 							  vk::VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
    231 							  vk::VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT,
    232 							  (vk::VkDependencyFlags)0,
    233 							  0, (const vk::VkMemoryBarrier*)DE_NULL,
    234 							  0, (const vk::VkBufferMemoryBarrier*)DE_NULL,
    235 							  1, &initializeBarrier);
    236 	}
    237 
    238 	// Image barrier for destination image.
    239 	{
    240 		const vk::VkImageMemoryBarrier	initializeBarrier	=
    241 		{
    242 			vk::VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,			// sType
    243 			DE_NULL,											// pNext
    244 			0,													// srcAccessMask
    245 			vk::VK_ACCESS_TRANSFER_WRITE_BIT,					// dstAccessMask
    246 			vk::VK_IMAGE_LAYOUT_UNDEFINED,						// oldLayout
    247 			vk::VK_IMAGE_LAYOUT_GENERAL,						// newLayout
    248 			queueFamilyIndex,									// srcQueueFamilyIndex
    249 			queueFamilyIndex,									// dstQueueFamilyIndex
    250 			**colorImage,										// image
    251 			{
    252 				vk::VK_IMAGE_ASPECT_COLOR_BIT,					// aspectMask
    253 				0u,												// baseMipLevel
    254 				1u,												// mipLevels
    255 				0u,												// baseArraySlice
    256 				1u,												// subresourceRange
    257 			}
    258 		};
    259 
    260 		vk.cmdPipelineBarrier(targetCmdBuffer,
    261 							  vk::VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
    262 							  vk::VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT,
    263 							  (vk::VkDependencyFlags)0,
    264 							  0, (const vk::VkMemoryBarrier*)DE_NULL,
    265 							  0, (const vk::VkBufferMemoryBarrier*)DE_NULL,
    266 							  1, &initializeBarrier);
    267 	}
    268 
    269 	// Blit image
    270 	const vk::VkImageSubresourceLayers	imgSubResCopy	=
    271 	{
    272 		vk::VK_IMAGE_ASPECT_COLOR_BIT,							// VkImageAspectFlags			aspectMask;
    273 		0u,														// deUint32						mipLevel;
    274 		0u,														// deUint32						baseArrayLayer;
    275 		1u,														// deUint32						layerCount;
    276 	};
    277 	const vk::VkOffset3D				nullOffset		=	{0u, 0u, 0u};
    278 	const vk::VkOffset3D				imageOffset		=	{RENDER_WIDTH, RENDER_HEIGHT, 1};
    279 	const vk::VkImageBlit				imageBlit		=
    280 	 {
    281 		imgSubResCopy,											// VkImageSubresourceLayers		srcSubresource;
    282 		{
    283 			nullOffset,
    284 			imageOffset,
    285 		},														// VkOffset3D					srcOffsets[2];
    286 		imgSubResCopy,											// VkImageSubresourceLayers		dstSubresource;
    287 		{
    288 			nullOffset,
    289 			imageOffset,
    290 		},														// VkOffset3D					dstOffsets[2];
    291 	 };
    292 	vk.cmdBlitImage(targetCmdBuffer, **colorImageSrc, vk::VK_IMAGE_LAYOUT_GENERAL,
    293 					**colorImage, vk::VK_IMAGE_LAYOUT_GENERAL, 1u, &imageBlit, vk::VK_FILTER_NEAREST);
    294 
    295 	{
    296 		const vk::VkImageMemoryBarrier	endImgBarrier	=
    297 		{
    298 			vk::VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,			// sType
    299 			DE_NULL,											// pNext
    300 			vk::VK_ACCESS_TRANSFER_WRITE_BIT,					// srcAccessMask
    301 			vk::VK_ACCESS_SHADER_READ_BIT,						// dstAccessMask
    302 			vk::VK_IMAGE_LAYOUT_GENERAL,						// oldLayout
    303 			vk::VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,		// newLayout
    304 			queueFamilyIndex,									// srcQueueFamilyIndex
    305 			queueFamilyIndex,									// dstQueueFamilyIndex
    306 			**colorImage,										// image
    307 			{
    308 				vk::VK_IMAGE_ASPECT_COLOR_BIT,					// aspectMask
    309 				0u,												// baseMipLevel
    310 				1u,												// mipLevels
    311 				0u,												// baseArraySlice
    312 				1u,												// subresourceRange
    313 			}
    314 		};
    315 		vk.cmdPipelineBarrier(targetCmdBuffer,
    316 							  vk::VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
    317 							  vk::VK_PIPELINE_STAGE_TRANSFER_BIT,
    318 							  (vk::VkDependencyFlags)0,
    319 							  0, (const vk::VkMemoryBarrier*)DE_NULL,
    320 							  0, (const vk::VkBufferMemoryBarrier*)DE_NULL,
    321 							  1, &endImgBarrier);
    322 	}
    323 
    324 	if (m_cmdBufferType == CMD_BUFFER_SECONDARY)
    325 	{
    326 		VK_CHECK(vk.endCommandBuffer(*secondaryCmdBuffer));
    327 		vk.cmdExecuteCommands(*cmdBuffer, 1u, &secondaryCmdBuffer.get());
    328 	}
    329 
    330 	VK_CHECK(vk.endCommandBuffer(*cmdBuffer));
    331 
    332 	// Submit command buffer
    333 	const vk::Unique<vk::VkFence>	fence		(vk::createFence(vk, device));
    334 	VK_CHECK(queueSubmit(ctx, PROTECTION_ENABLED, queue, *cmdBuffer, *fence, ~0ull));
    335 
    336 	// Log out test data
    337 	ctx.getTestContext().getLog()
    338 		<< tcu::TestLog::Message << "Color clear value: " << tcu::Vec4(m_clearColorValue.float32) << tcu::TestLog::EndMessage;
    339 
    340 	// Validate resulting image
    341 	if (m_validator.validateImage(ctx, m_refData, **colorImage, m_imageFormat))
    342 		return tcu::TestStatus::pass("Everything went OK");
    343 	else
    344 		return tcu::TestStatus::fail("Something went really wrong");
    345 }
    346 
    347 tcu::TestCaseGroup*	createBlitImageTests (tcu::TestContext& testCtx, CmdBufferType cmdBufferType)
    348 {
    349 	struct {
    350 		const vk::VkClearColorValue		clearColorValue;
    351 		const ValidationData			data;
    352 	} testData[] = {
    353 		{	{ { 1.0f, 0.0f, 0.0f, 1.0f } },
    354 			{
    355 				{ tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(1.0f, 1.0f, 0.0f, 0.0f),
    356 				  tcu::Vec4(0.1f, 0.1f, 0.0f, 0.0f), tcu::Vec4(0.5f, 0.5f, 0.0f, 0.0f), },
    357 				{ tcu::Vec4(1.0f, 0.0f, 0.0f, 1.0f), tcu::Vec4(1.0f, 0.0f, 0.0f, 1.0f),
    358 				  tcu::Vec4(1.0f, 0.0f, 0.0f, 1.0f), tcu::Vec4(1.0f, 0.0f, 0.0f, 1.0f), }
    359 			}
    360 		},
    361 		{	{ { 0.0f, 1.0f, 0.0f, 1.0f } },
    362 			{
    363 				{ tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(1.0f, 1.0f, 0.0f, 0.0f),
    364 				  tcu::Vec4(0.1f, 0.1f, 0.0f, 0.0f), tcu::Vec4(0.5f, 0.5f, 0.0f, 0.0f), },
    365 				{ tcu::Vec4(0.0f, 1.0f, 0.0f, 1.0f), tcu::Vec4(0.0f, 1.0f, 0.0f, 1.0f),
    366 				  tcu::Vec4(0.0f, 1.0f, 0.0f, 1.0f), tcu::Vec4(0.0f, 1.0f, 0.0f, 1.0f), }
    367 			}
    368 		},
    369 		{	{ { 0.0f, 0.0f, 1.0f, 1.0f } },
    370 			{
    371 				{ tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(1.0f, 1.0f, 0.0f, 0.0f),
    372 				  tcu::Vec4(0.1f, 0.1f, 0.0f, 0.0f), tcu::Vec4(0.5f, 0.5f, 0.0f, 0.0f), },
    373 				{ tcu::Vec4(0.0f, 0.0f, 1.0f, 1.0f), tcu::Vec4(0.0f, 0.0f, 1.0f, 1.0f),
    374 				  tcu::Vec4(0.0f, 0.0f, 1.0f, 1.0f), tcu::Vec4(0.0f, 0.0f, 1.0f, 1.0f), }
    375 			}
    376 		},
    377 		{	{ { 0.0f, 0.0f, 0.0f, 1.0f } },
    378 			{
    379 				{ tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(1.0f, 1.0f, 0.0f, 0.0f),
    380 				  tcu::Vec4(0.1f, 0.1f, 0.0f, 0.0f), tcu::Vec4(0.5f, 0.5f, 0.0f, 0.0f), },
    381 				{ tcu::Vec4(0.0f, 0.0f, 0.0f, 1.0f), tcu::Vec4(0.0f, 0.0f, 0.0f, 1.0f),
    382 				  tcu::Vec4(0.0f, 0.0f, 0.0f, 1.0f), tcu::Vec4(0.0f, 0.0f, 0.0f, 1.0f), }
    383 			}
    384 		},
    385 		{	{ { 1.0f, 0.0f, 0.0f, 1.0f } },
    386 			{
    387 				{ tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(1.0f, 1.0f, 0.0f, 0.0f),
    388 				  tcu::Vec4(0.1f, 0.1f, 0.0f, 0.0f), tcu::Vec4(0.5f, 0.5f, 0.0f, 0.0f), },
    389 				{ tcu::Vec4(1.0f, 0.0f, 0.0f, 1.0f), tcu::Vec4(1.0f, 0.0f, 0.0f, 1.0f),
    390 				  tcu::Vec4(1.0f, 0.0f, 0.0f, 1.0f), tcu::Vec4(1.0f, 0.0f, 0.0f, 1.0f), }
    391 			}
    392 		},
    393 		{	{ { 1.0f, 0.0f, 0.0f, 0.0f } },
    394 			{
    395 				{ tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(1.0f, 1.0f, 0.0f, 0.0f),
    396 				  tcu::Vec4(0.1f, 0.1f, 0.0f, 0.0f), tcu::Vec4(0.5f, 0.5f, 0.0f, 0.0f), },
    397 				{ tcu::Vec4(1.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(1.0f, 0.0f, 0.0f, 0.0f),
    398 				  tcu::Vec4(1.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(1.0f, 0.0f, 0.0f, 0.0f), }
    399 			}
    400 		},
    401 		{	{ { 0.1f, 0.2f, 0.3f, 0.0f } },
    402 			{
    403 				{ tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(1.0f, 1.0f, 0.0f, 0.0f),
    404 				  tcu::Vec4(0.1f, 0.1f, 0.0f, 0.0f), tcu::Vec4(0.5f, 0.5f, 0.0f, 0.0f), },
    405 				{ tcu::Vec4(0.1f, 0.2f, 0.3f, 0.0f), tcu::Vec4(0.1f, 0.2f, 0.3f, 0.0f),
    406 				  tcu::Vec4(0.1f, 0.2f, 0.3f, 0.0f), tcu::Vec4(0.1f, 0.2f, 0.3f, 0.0f), }
    407 			}
    408 		},
    409 	};
    410 
    411 	de::MovePtr<tcu::TestCaseGroup> blitStaticTests (new tcu::TestCaseGroup(testCtx, "static", "Blit Image Tests with static input"));
    412 
    413 	for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(testData); ++ndx)
    414 	{
    415 		const std::string name = "blit_" + de::toString(ndx + 1);
    416 		blitStaticTests->addChild(new BlitImageTestCase(testCtx, name.c_str(), testData[ndx].clearColorValue, testData[ndx].data, cmdBufferType));
    417 	}
    418 
    419 	/* Add a few randomized tests */
    420 	de::MovePtr<tcu::TestCaseGroup>	blitRandomTests	(new tcu::TestCaseGroup(testCtx, "random", "Blit Image Tests with random input"));
    421 	const int						testCount			= 10;
    422 	de::Random						rnd					(testCtx.getCommandLine().getBaseSeed());
    423 	for (int ndx = 0; ndx < testCount; ++ndx)
    424 	{
    425 		const std::string	name		= "blit_" + de::toString(ndx + 1);
    426 		vk::VkClearValue	clearValue	= vk::makeClearValueColorF32(
    427 											rnd.getFloat(0.0, 1.0f),
    428 											rnd.getFloat(0.0, 1.0f),
    429 											rnd.getFloat(0.0, 1.0f),
    430 											rnd.getFloat(0.0, 1.0f));
    431 
    432 		tcu::Vec4			refValue	(clearValue.color.float32[0], clearValue.color.float32[1], clearValue.color.float32[2], clearValue.color.float32[3]);
    433 		ValidationData		data		=
    434 		{
    435 			{ tcu::Vec4(rnd.getFloat(0.0f, 1.0f), rnd.getFloat(0.0f, 1.0f), rnd.getFloat(0.0f, 1.0f), rnd.getFloat(0.0f, 1.0f)),
    436 			  tcu::Vec4(rnd.getFloat(0.0f, 1.0f), rnd.getFloat(0.0f, 1.0f), rnd.getFloat(0.0f, 1.0f), rnd.getFloat(0.0f, 1.0f)),
    437 			  tcu::Vec4(rnd.getFloat(0.0f, 1.0f), rnd.getFloat(0.0f, 1.0f), rnd.getFloat(0.0f, 1.0f), rnd.getFloat(0.0f, 1.0f)),
    438 			  tcu::Vec4(rnd.getFloat(0.0f, 1.0f), rnd.getFloat(0.0f, 1.0f), rnd.getFloat(0.0f, 1.0f), rnd.getFloat(0.0f, 1.0f)) },
    439 			{ refValue, refValue, refValue, refValue }
    440 		};
    441 		blitRandomTests->addChild(new BlitImageTestCase(testCtx, name.c_str(), clearValue.color, data, cmdBufferType));
    442 	}
    443 
    444 	std::string groupName = getCmdBufferTypeStr(cmdBufferType);
    445 	std::string groupDesc = "Blit Image Tests with " + groupName + " command buffer";
    446 	de::MovePtr<tcu::TestCaseGroup> blitTests (new tcu::TestCaseGroup(testCtx, groupName.c_str(), groupDesc.c_str()));
    447 	blitTests->addChild(blitStaticTests.release());
    448 	blitTests->addChild(blitRandomTests.release());
    449 	return blitTests.release();
    450 }
    451 
    452 } // anonymous
    453 
    454 tcu::TestCaseGroup*	createBlitImageTests (tcu::TestContext& testCtx)
    455 {
    456 	de::MovePtr<tcu::TestCaseGroup> blitTests (new tcu::TestCaseGroup(testCtx, "blit", "Blit Image Tests"));
    457 
    458 	blitTests->addChild(createBlitImageTests(testCtx, CMD_BUFFER_PRIMARY));
    459 	blitTests->addChild(createBlitImageTests(testCtx, CMD_BUFFER_SECONDARY));
    460 
    461 	return blitTests.release();
    462 }
    463 
    464 } // ProtectedMem
    465 } // vkt
    466