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1 /*------------------------------------------------------------------------
2 * Vulkan Conformance Tests
3 * ------------------------
4 *
5 * Copyright (c) 2016 The Khronos Group Inc.
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 vktPipelineMultisampleBaseResolveAndPerSampleFetch.cpp
21 * \brief Base class for tests that check results of multisample resolve
22 *		  and/or values of individual samples
23 *//*--------------------------------------------------------------------*/
24 
25 #include "vktPipelineMultisampleBaseResolveAndPerSampleFetch.hpp"
26 #include "vktPipelineMakeUtil.hpp"
27 #include "vkBarrierUtil.hpp"
28 #include "vkBuilderUtil.hpp"
29 #include "vkQueryUtil.hpp"
30 #include "vkTypeUtil.hpp"
31 #include "vkCmdUtil.hpp"
32 #include "vkObjUtil.hpp"
33 #include "vkBufferWithMemory.hpp"
34 #include "vkImageWithMemory.hpp"
35 #include "tcuTestLog.hpp"
36 #include <vector>
37 
38 namespace vkt
39 {
40 namespace pipeline
41 {
42 namespace multisample
43 {
44 
45 using namespace vk;
46 
initPrograms(vk::SourceCollections & programCollection) const47 void MSCaseBaseResolveAndPerSampleFetch::initPrograms (vk::SourceCollections& programCollection) const
48 {
49 	// Create vertex shader
50 	std::ostringstream vs;
51 
52 	vs << "#version 440\n"
53 		<< "layout(location = 0) in vec4 vs_in_position_ndc;\n"
54 		<< "\n"
55 		<< "out gl_PerVertex {\n"
56 		<< "	vec4  gl_Position;\n"
57 		<< "};\n"
58 		<< "void main (void)\n"
59 		<< "{\n"
60 		<< "	gl_Position	= vs_in_position_ndc;\n"
61 		<< "}\n";
62 
63 	programCollection.glslSources.add("per_sample_fetch_vs") << glu::VertexSource(vs.str());
64 
65 	// Create fragment shader
66 	std::ostringstream fs;
67 
68 	fs << "#version 440\n"
69 		<< "\n"
70 		<< "layout(location = 0) out vec4 fs_out_color;\n"
71 		<< "\n"
72 		<< "layout(set = 0, binding = 0, input_attachment_index = 0) uniform subpassInputMS imageMS;\n"
73 		<< "\n"
74 		<< "layout(set = 0, binding = 1, std140) uniform SampleBlock {\n"
75 		<< "    int sampleNdx;\n"
76 		<< "};\n"
77 		<< "void main (void)\n"
78 		<< "{\n"
79 		<< "	fs_out_color = subpassLoad(imageMS, sampleNdx);\n"
80 		<< "}\n";
81 
82 	programCollection.glslSources.add("per_sample_fetch_fs") << glu::FragmentSource(fs.str());
83 }
84 
MSInstanceBaseResolveAndPerSampleFetch(Context & context,const ImageMSParams & imageMSParams)85 MSInstanceBaseResolveAndPerSampleFetch::MSInstanceBaseResolveAndPerSampleFetch (Context& context, const ImageMSParams& imageMSParams)
86 	: MultisampleInstanceBase(context, imageMSParams) {}
87 
getMSStateCreateInfo(const ImageMSParams & imageMSParams) const88 VkPipelineMultisampleStateCreateInfo MSInstanceBaseResolveAndPerSampleFetch::getMSStateCreateInfo (const ImageMSParams& imageMSParams) const
89 {
90 	const VkPipelineMultisampleStateCreateInfo multisampleStateInfo =
91 	{
92 		VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,		// VkStructureType							sType;
93 		DE_NULL,														// const void*								pNext;
94 		(VkPipelineMultisampleStateCreateFlags)0u,						// VkPipelineMultisampleStateCreateFlags	flags;
95 		imageMSParams.numSamples,										// VkSampleCountFlagBits					rasterizationSamples;
96 		VK_TRUE,														// VkBool32									sampleShadingEnable;
97 		1.0f,															// float									minSampleShading;
98 		DE_NULL,														// const VkSampleMask*						pSampleMask;
99 		VK_FALSE,														// VkBool32									alphaToCoverageEnable;
100 		VK_FALSE,														// VkBool32									alphaToOneEnable;
101 	};
102 
103 	return multisampleStateInfo;
104 }
105 
createMSPassDescSetLayout(const ImageMSParams & imageMSParams)106 const VkDescriptorSetLayout* MSInstanceBaseResolveAndPerSampleFetch::createMSPassDescSetLayout(const ImageMSParams& imageMSParams)
107 {
108 	DE_UNREF(imageMSParams);
109 
110 	return DE_NULL;
111 }
112 
createMSPassDescSet(const ImageMSParams & imageMSParams,const VkDescriptorSetLayout * descSetLayout)113 const VkDescriptorSet* MSInstanceBaseResolveAndPerSampleFetch::createMSPassDescSet(const ImageMSParams& imageMSParams, const VkDescriptorSetLayout* descSetLayout)
114 {
115 	DE_UNREF(imageMSParams);
116 	DE_UNREF(descSetLayout);
117 
118 	return DE_NULL;
119 }
120 
iterate(void)121 tcu::TestStatus MSInstanceBaseResolveAndPerSampleFetch::iterate (void)
122 {
123 	const InstanceInterface&	instance			= m_context.getInstanceInterface();
124 	const DeviceInterface&		deviceInterface		= m_context.getDeviceInterface();
125 	const VkDevice				device				= m_context.getDevice();
126 	const VkPhysicalDevice		physicalDevice		= m_context.getPhysicalDevice();
127 	Allocator&					allocator			= m_context.getDefaultAllocator();
128 	const VkQueue				queue				= m_context.getUniversalQueue();
129 	const deUint32				queueFamilyIndex	= m_context.getUniversalQueueFamilyIndex();
130 
131 	VkImageCreateInfo			imageMSInfo;
132 	VkImageCreateInfo			imageRSInfo;
133 	const deUint32				firstSubpassAttachmentsCount = 2u;
134 
135 	// Check if image size does not exceed device limits
136 	validateImageSize(instance, physicalDevice, m_imageType, m_imageMSParams.imageSize);
137 
138 	// Check if device supports image format as color attachment
139 	validateImageFeatureFlags(instance, physicalDevice, mapTextureFormat(m_imageFormat), VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT);
140 
141 	imageMSInfo.sType					= VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
142 	imageMSInfo.pNext					= DE_NULL;
143 	imageMSInfo.flags					= 0u;
144 	imageMSInfo.imageType				= mapImageType(m_imageType);
145 	imageMSInfo.format					= mapTextureFormat(m_imageFormat);
146 	imageMSInfo.extent					= makeExtent3D(getLayerSize(m_imageType, m_imageMSParams.imageSize));
147 	imageMSInfo.arrayLayers				= getNumLayers(m_imageType, m_imageMSParams.imageSize);
148 	imageMSInfo.mipLevels				= 1u;
149 	imageMSInfo.samples					= m_imageMSParams.numSamples;
150 	imageMSInfo.tiling					= VK_IMAGE_TILING_OPTIMAL;
151 	imageMSInfo.initialLayout			= VK_IMAGE_LAYOUT_UNDEFINED;
152 	imageMSInfo.usage					= VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT;
153 	imageMSInfo.sharingMode				= VK_SHARING_MODE_EXCLUSIVE;
154 	imageMSInfo.queueFamilyIndexCount	= 0u;
155 	imageMSInfo.pQueueFamilyIndices		= DE_NULL;
156 
157 	if (m_imageType == IMAGE_TYPE_CUBE || m_imageType == IMAGE_TYPE_CUBE_ARRAY)
158 	{
159 		imageMSInfo.flags |= VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT;
160 	}
161 
162 	validateImageInfo(instance, physicalDevice, imageMSInfo);
163 
164 	const de::UniquePtr<ImageWithMemory> imageMS(new ImageWithMemory(deviceInterface, device, allocator, imageMSInfo, MemoryRequirement::Any));
165 
166 	imageRSInfo			= imageMSInfo;
167 	imageRSInfo.samples	= VK_SAMPLE_COUNT_1_BIT;
168 	imageRSInfo.usage	= VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
169 
170 	validateImageInfo(instance, physicalDevice, imageRSInfo);
171 
172 	const de::UniquePtr<ImageWithMemory> imageRS(new ImageWithMemory(deviceInterface, device, allocator, imageRSInfo, MemoryRequirement::Any));
173 
174 	const deUint32 numSamples = static_cast<deUint32>(imageMSInfo.samples);
175 
176 	std::vector<de::SharedPtr<ImageWithMemory> > imagesPerSampleVec(numSamples);
177 
178 	for (deUint32 sampleNdx = 0u; sampleNdx < numSamples; ++sampleNdx)
179 	{
180 		imagesPerSampleVec[sampleNdx] = de::SharedPtr<ImageWithMemory>(new ImageWithMemory(deviceInterface, device, allocator, imageRSInfo, MemoryRequirement::Any));
181 	}
182 
183 	// Create render pass
184 	std::vector<VkAttachmentDescription> attachments(firstSubpassAttachmentsCount + numSamples);
185 
186 	{
187 		const VkAttachmentDescription attachmentMSDesc =
188 		{
189 			(VkAttachmentDescriptionFlags)0u,			// VkAttachmentDescriptionFlags		flags;
190 			imageMSInfo.format,							// VkFormat							format;
191 			imageMSInfo.samples,						// VkSampleCountFlagBits			samples;
192 			VK_ATTACHMENT_LOAD_OP_CLEAR,				// VkAttachmentLoadOp				loadOp;
193 			VK_ATTACHMENT_STORE_OP_STORE,				// VkAttachmentStoreOp				storeOp;
194 			VK_ATTACHMENT_LOAD_OP_DONT_CARE,			// VkAttachmentLoadOp				stencilLoadOp;
195 			VK_ATTACHMENT_STORE_OP_DONT_CARE,			// VkAttachmentStoreOp				stencilStoreOp;
196 			VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,	// VkImageLayout					initialLayout;
197 			VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL	// VkImageLayout					finalLayout;
198 		};
199 
200 		attachments[0] = attachmentMSDesc;
201 
202 		const VkAttachmentDescription attachmentRSDesc =
203 		{
204 			(VkAttachmentDescriptionFlags)0u,			// VkAttachmentDescriptionFlags		flags;
205 			imageRSInfo.format,							// VkFormat							format;
206 			imageRSInfo.samples,						// VkSampleCountFlagBits			samples;
207 			VK_ATTACHMENT_LOAD_OP_CLEAR,				// VkAttachmentLoadOp				loadOp;
208 			VK_ATTACHMENT_STORE_OP_STORE,				// VkAttachmentStoreOp				storeOp;
209 			VK_ATTACHMENT_LOAD_OP_DONT_CARE,			// VkAttachmentLoadOp				stencilLoadOp;
210 			VK_ATTACHMENT_STORE_OP_DONT_CARE,			// VkAttachmentStoreOp				stencilStoreOp;
211 			VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,	// VkImageLayout					initialLayout;
212 			VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL	// VkImageLayout					finalLayout;
213 		};
214 
215 		attachments[1] = attachmentRSDesc;
216 
217 		for (deUint32 sampleNdx = 0u; sampleNdx < numSamples; ++sampleNdx)
218 		{
219 			attachments[firstSubpassAttachmentsCount + sampleNdx] = attachmentRSDesc;
220 		}
221 	}
222 
223 	const VkAttachmentReference attachmentMSColorRef =
224 	{
225 		0u,											// deUint32			attachment;
226 		VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL	// VkImageLayout	layout;
227 	};
228 
229 	const VkAttachmentReference attachmentMSInputRef =
230 	{
231 		0u,											// deUint32			attachment;
232 		VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL	// VkImageLayout	layout;
233 	};
234 
235 	const VkAttachmentReference attachmentRSColorRef =
236 	{
237 		1u,											// deUint32			attachment;
238 		VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL	// VkImageLayout	layout;
239 	};
240 
241 	std::vector<VkAttachmentReference> perSampleAttachmentRef(numSamples);
242 
243 	for (deUint32 sampleNdx = 0u; sampleNdx < numSamples; ++sampleNdx)
244 	{
245 		const VkAttachmentReference attachmentRef =
246 		{
247 			firstSubpassAttachmentsCount + sampleNdx,	// deUint32			attachment;
248 			VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL	// VkImageLayout	layout;
249 		};
250 
251 		perSampleAttachmentRef[sampleNdx] = attachmentRef;
252 	}
253 
254 	std::vector<deUint32> preserveAttachments(1u + numSamples);
255 
256 	for (deUint32 attachNdx = 0u; attachNdx < 1u + numSamples; ++attachNdx)
257 	{
258 		preserveAttachments[attachNdx] = 1u + attachNdx;
259 	}
260 
261 	std::vector<VkSubpassDescription> subpasses(1u + numSamples);
262 	std::vector<VkSubpassDependency>  subpassDependencies;
263 
264 	const VkSubpassDescription firstSubpassDesc =
265 	{
266 		(VkSubpassDescriptionFlags)0u,		// VkSubpassDescriptionFlags		flags;
267 		VK_PIPELINE_BIND_POINT_GRAPHICS,	// VkPipelineBindPoint				pipelineBindPoint;
268 		0u,									// deUint32							inputAttachmentCount;
269 		DE_NULL,							// const VkAttachmentReference*		pInputAttachments;
270 		1u,									// deUint32							colorAttachmentCount;
271 		&attachmentMSColorRef,				// const VkAttachmentReference*		pColorAttachments;
272 		&attachmentRSColorRef,				// const VkAttachmentReference*		pResolveAttachments;
273 		DE_NULL,							// const VkAttachmentReference*		pDepthStencilAttachment;
274 		0u,									// deUint32							preserveAttachmentCount;
275 		DE_NULL								// const deUint32*					pPreserveAttachments;
276 	};
277 
278 	subpasses[0] = firstSubpassDesc;
279 
280 	for (deUint32 sampleNdx = 0u; sampleNdx < numSamples; ++sampleNdx)
281 	{
282 		const VkSubpassDescription subpassDesc =
283 		{
284 			(VkSubpassDescriptionFlags)0u,			// VkSubpassDescriptionFlags		flags;
285 			VK_PIPELINE_BIND_POINT_GRAPHICS,		// VkPipelineBindPoint				pipelineBindPoint;
286 			1u,										// deUint32							inputAttachmentCount;
287 			&attachmentMSInputRef,					// const VkAttachmentReference*		pInputAttachments;
288 			1u,										// deUint32							colorAttachmentCount;
289 			&perSampleAttachmentRef[sampleNdx],		// const VkAttachmentReference*		pColorAttachments;
290 			DE_NULL,								// const VkAttachmentReference*		pResolveAttachments;
291 			DE_NULL,								// const VkAttachmentReference*		pDepthStencilAttachment;
292 			1u + sampleNdx,							// deUint32							preserveAttachmentCount;
293 			dataPointer(preserveAttachments)		// const deUint32*					pPreserveAttachments;
294 		};
295 
296 		subpasses[1u + sampleNdx] = subpassDesc;
297 
298 		const VkSubpassDependency subpassDependency =
299 		{
300 			0u,												// uint32_t                srcSubpass;
301 			1u + sampleNdx,									// uint32_t                dstSubpass;
302 			VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,  // VkPipelineStageFlags    srcStageMask;
303 			VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT,			// VkPipelineStageFlags    dstStageMask;
304 			VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,			// VkAccessFlags           srcAccessMask;
305 			VK_ACCESS_INPUT_ATTACHMENT_READ_BIT,			// VkAccessFlags           dstAccessMask;
306 			0u,												// VkDependencyFlags       dependencyFlags;
307 		};
308 
309 		subpassDependencies.push_back(subpassDependency);
310 	}
311 	// now handle the very last sample pass, which must synchronize with all prior subpasses
312 	for (deUint32 sampleNdx = 0u; sampleNdx < (numSamples - 1); ++sampleNdx)
313 	{
314 		const VkSubpassDependency subpassDependency =
315 		{
316 			1u + sampleNdx,									// uint32_t					srcSubpass;
317 			numSamples,										// uint32_t					dstSubpass;
318 			VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,	// VkPipelineStageFlags		srcStageMask;
319 			VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT,			// VkPipelineStageFlags		dstStageMask;
320 			VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,			// VkAccessFlags			srcAccessMask;
321 			VK_ACCESS_INPUT_ATTACHMENT_READ_BIT,			// VkAccessFlags			dstAccessMask;
322 			0u,												// VkDependencyFlags		dependencyFlags;
323 		};
324 
325 		subpassDependencies.push_back(subpassDependency);
326 	}
327 
328 	const VkRenderPassCreateInfo renderPassInfo =
329 	{
330 		VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,			// VkStructureType					sType;
331 		DE_NULL,											// const void*						pNext;
332 		(VkRenderPassCreateFlags)0u,						// VkRenderPassCreateFlags			flags;
333 		static_cast<deUint32>(attachments.size()),			// deUint32							attachmentCount;
334 		dataPointer(attachments),							// const VkAttachmentDescription*	pAttachments;
335 		static_cast<deUint32>(subpasses.size()),			// deUint32							subpassCount;
336 		dataPointer(subpasses),								// const VkSubpassDescription*		pSubpasses;
337 		static_cast<deUint32>(subpassDependencies.size()),	// deUint32							dependencyCount;
338 		dataPointer(subpassDependencies)					// const VkSubpassDependency*		pDependencies;
339 	};
340 
341 	const Unique<VkRenderPass> renderPass(createRenderPass(deviceInterface, device, &renderPassInfo));
342 
343 	const VkImageSubresourceRange fullImageRange = makeImageSubresourceRange(VK_IMAGE_ASPECT_COLOR_BIT, 0u, imageMSInfo.mipLevels, 0u, imageMSInfo.arrayLayers);
344 
345 	// Create color attachments image views
346 	typedef de::SharedPtr<Unique<VkImageView> > VkImageViewSp;
347 	std::vector<VkImageViewSp>	imageViewsShPtrs(firstSubpassAttachmentsCount + numSamples);
348 	std::vector<VkImageView>	imageViews(firstSubpassAttachmentsCount + numSamples);
349 
350 	imageViewsShPtrs[0] = makeVkSharedPtr(makeImageView(deviceInterface, device, **imageMS, mapImageViewType(m_imageType), imageMSInfo.format, fullImageRange));
351 	imageViewsShPtrs[1] = makeVkSharedPtr(makeImageView(deviceInterface, device, **imageRS, mapImageViewType(m_imageType), imageRSInfo.format, fullImageRange));
352 
353 	imageViews[0] = **imageViewsShPtrs[0];
354 	imageViews[1] = **imageViewsShPtrs[1];
355 
356 	for (deUint32 sampleNdx = 0u; sampleNdx < numSamples; ++sampleNdx)
357 	{
358 		imageViewsShPtrs[firstSubpassAttachmentsCount + sampleNdx] = makeVkSharedPtr(makeImageView(deviceInterface, device, **imagesPerSampleVec[sampleNdx], mapImageViewType(m_imageType), imageRSInfo.format, fullImageRange));
359 		imageViews[firstSubpassAttachmentsCount + sampleNdx] = **imageViewsShPtrs[firstSubpassAttachmentsCount + sampleNdx];
360 	}
361 
362 	// Create framebuffer
363 	const VkFramebufferCreateInfo framebufferInfo =
364 	{
365 		VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,	// VkStructureType							   sType;
366 		DE_NULL,									// const void*                                 pNext;
367 		(VkFramebufferCreateFlags)0u,				// VkFramebufferCreateFlags                    flags;
368 		*renderPass,								// VkRenderPass                                renderPass;
369 		static_cast<deUint32>(imageViews.size()),	// uint32_t                                    attachmentCount;
370 		dataPointer(imageViews),					// const VkImageView*                          pAttachments;
371 		imageMSInfo.extent.width,					// uint32_t                                    width;
372 		imageMSInfo.extent.height,					// uint32_t                                    height;
373 		imageMSInfo.arrayLayers,					// uint32_t                                    layers;
374 	};
375 
376 	const Unique<VkFramebuffer> framebuffer(createFramebuffer(deviceInterface, device, &framebufferInfo));
377 
378 	const VkDescriptorSetLayout* descriptorSetLayoutMSPass = createMSPassDescSetLayout(m_imageMSParams);
379 
380 	// Create pipeline layout
381 	const VkPipelineLayoutCreateInfo pipelineLayoutMSPassParams =
382 	{
383 		VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,	// VkStructureType					sType;
384 		DE_NULL,										// const void*						pNext;
385 		(VkPipelineLayoutCreateFlags)0u,				// VkPipelineLayoutCreateFlags		flags;
386 		descriptorSetLayoutMSPass ? 1u : 0u,			// deUint32							setLayoutCount;
387 		descriptorSetLayoutMSPass,						// const VkDescriptorSetLayout*		pSetLayouts;
388 		0u,												// deUint32							pushConstantRangeCount;
389 		DE_NULL,										// const VkPushConstantRange*		pPushConstantRanges;
390 	};
391 
392 	const Unique<VkPipelineLayout> pipelineLayoutMSPass(createPipelineLayout(deviceInterface, device, &pipelineLayoutMSPassParams));
393 
394 	// Create vertex attributes data
395 	const VertexDataDesc vertexDataDesc = getVertexDataDescripton();
396 
397 	de::SharedPtr<BufferWithMemory> vertexBuffer = de::SharedPtr<BufferWithMemory>(new BufferWithMemory(deviceInterface, device, allocator, makeBufferCreateInfo(vertexDataDesc.dataSize, VK_BUFFER_USAGE_VERTEX_BUFFER_BIT), MemoryRequirement::HostVisible));
398 	const Allocation& vertexBufferAllocation = vertexBuffer->getAllocation();
399 
400 	uploadVertexData(vertexBufferAllocation, vertexDataDesc);
401 
402 	flushAlloc(deviceInterface, device, vertexBufferAllocation);
403 
404 	const VkVertexInputBindingDescription vertexBinding =
405 	{
406 		0u,							// deUint32				binding;
407 		vertexDataDesc.dataStride,	// deUint32				stride;
408 		VK_VERTEX_INPUT_RATE_VERTEX	// VkVertexInputRate	inputRate;
409 	};
410 
411 	const VkPipelineVertexInputStateCreateInfo vertexInputStateInfo =
412 	{
413 		VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,			// VkStructureType                             sType;
414 		DE_NULL,															// const void*                                 pNext;
415 		(VkPipelineVertexInputStateCreateFlags)0u,							// VkPipelineVertexInputStateCreateFlags       flags;
416 		1u,																	// uint32_t                                    vertexBindingDescriptionCount;
417 		&vertexBinding,														// const VkVertexInputBindingDescription*      pVertexBindingDescriptions;
418 		static_cast<deUint32>(vertexDataDesc.vertexAttribDescVec.size()),	// uint32_t                                    vertexAttributeDescriptionCount;
419 		dataPointer(vertexDataDesc.vertexAttribDescVec),					// const VkVertexInputAttributeDescription*    pVertexAttributeDescriptions;
420 	};
421 
422 	const std::vector<VkViewport>	viewports	{ makeViewport(imageMSInfo.extent) };
423 	const std::vector<VkRect2D>		scissors	{ makeRect2D(imageMSInfo.extent) };
424 
425 	const VkPipelineMultisampleStateCreateInfo multisampleStateInfo = getMSStateCreateInfo(m_imageMSParams);
426 
427 	// Create graphics pipeline for multisample pass
428 	const Unique<VkShaderModule> vsMSPassModule(createShaderModule(deviceInterface, device, m_context.getBinaryCollection().get("vertex_shader"), (VkShaderModuleCreateFlags)0u));
429 	const Unique<VkShaderModule> fsMSPassModule(createShaderModule(deviceInterface, device, m_context.getBinaryCollection().get("fragment_shader"), (VkShaderModuleCreateFlags)0u));
430 
431 	GraphicsPipelineWrapper graphicsPipelineMSPass(deviceInterface, device, m_imageMSParams.pipelineConstructionType);
432 	graphicsPipelineMSPass.setDefaultColorBlendState()
433 						  .setDefaultDepthStencilState()
434 						  .setDefaultRasterizationState()
435 						  .setDefaultTopology(vertexDataDesc.primitiveTopology)
436 						  .setupVertexInputState(&vertexInputStateInfo)
437 						  .setupPreRasterizationShaderState(viewports, scissors, *pipelineLayoutMSPass, *renderPass, 0u, *vsMSPassModule)
438 						  .setupFragmentShaderState(*pipelineLayoutMSPass, *renderPass, 0u, *fsMSPassModule, DE_NULL, &multisampleStateInfo)
439 						  .setupFragmentOutputState(*renderPass, 0u, DE_NULL, &multisampleStateInfo)
440 						  .setMonolithicPipelineLayout(*pipelineLayoutMSPass)
441 						  .buildPipeline();
442 
443 	std::vector<GraphicsPipelineWrapper> graphicsPipelinesPerSampleFetch;
444 	graphicsPipelinesPerSampleFetch.reserve(numSamples);
445 
446 	// Create descriptor set layout
447 	const Unique<VkDescriptorSetLayout> descriptorSetLayout(
448 		DescriptorSetLayoutBuilder()
449 		.addSingleBinding(VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT, VK_SHADER_STAGE_FRAGMENT_BIT)
450 		.addSingleBinding(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, VK_SHADER_STAGE_FRAGMENT_BIT)
451 		.build(deviceInterface, device));
452 
453 	const Unique<VkPipelineLayout> pipelineLayoutPerSampleFetchPass(makePipelineLayout(deviceInterface, device, *descriptorSetLayout));
454 
455 	const deUint32 bufferPerSampleFetchPassSize = 4u * (deUint32)sizeof(tcu::Vec4);
456 
457 	de::SharedPtr<BufferWithMemory> vertexBufferPerSampleFetchPass = de::SharedPtr<BufferWithMemory>(new BufferWithMemory(deviceInterface, device, allocator, makeBufferCreateInfo(bufferPerSampleFetchPassSize, VK_BUFFER_USAGE_VERTEX_BUFFER_BIT), MemoryRequirement::HostVisible));
458 
459 	// Create graphics pipelines for per sample texel fetch passes
460 	{
461 		const Unique<VkShaderModule> vsPerSampleFetchPassModule(createShaderModule(deviceInterface, device, m_context.getBinaryCollection().get("per_sample_fetch_vs"), (VkShaderModuleCreateFlags)0u));
462 		const Unique<VkShaderModule> fsPerSampleFetchPassModule(createShaderModule(deviceInterface, device, m_context.getBinaryCollection().get("per_sample_fetch_fs"), (VkShaderModuleCreateFlags)0u));
463 
464 		std::vector<tcu::Vec4> vertices;
465 
466 		vertices.push_back(tcu::Vec4(-1.0f, -1.0f, 0.0f, 1.0f));
467 		vertices.push_back(tcu::Vec4( 1.0f, -1.0f, 0.0f, 1.0f));
468 		vertices.push_back(tcu::Vec4(-1.0f,  1.0f, 0.0f, 1.0f));
469 		vertices.push_back(tcu::Vec4( 1.0f,  1.0f, 0.0f, 1.0f));
470 
471 		const Allocation& vertexAllocPerSampleFetchPass = vertexBufferPerSampleFetchPass->getAllocation();
472 
473 		deMemcpy(vertexAllocPerSampleFetchPass.getHostPtr(), dataPointer(vertices), static_cast<std::size_t>(bufferPerSampleFetchPassSize));
474 
475 		flushAlloc(deviceInterface, device, vertexAllocPerSampleFetchPass);
476 
477 		for (deUint32 sampleNdx = 0u; sampleNdx < numSamples; ++sampleNdx)
478 		{
479 			const deUint32 subpass = 1u + sampleNdx;
480 			graphicsPipelinesPerSampleFetch.emplace_back(deviceInterface, device, m_imageMSParams.pipelineConstructionType);
481 			graphicsPipelinesPerSampleFetch.back()
482 				.setDefaultMultisampleState()
483 				.setDefaultColorBlendState()
484 				.setDefaultDepthStencilState()
485 				.setDefaultRasterizationState()
486 				.setDefaultTopology(VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP)
487 				.setupVertexInputState()
488 				.setupPreRasterizationShaderState(viewports, scissors, *pipelineLayoutPerSampleFetchPass, *renderPass, subpass, *vsPerSampleFetchPassModule)
489 				.setupFragmentShaderState(*pipelineLayoutPerSampleFetchPass, *renderPass, subpass, *fsPerSampleFetchPassModule)
490 				.setupFragmentOutputState(*renderPass, subpass)
491 				.setMonolithicPipelineLayout(*pipelineLayoutPerSampleFetchPass)
492 				.buildPipeline();
493 		}
494 	}
495 
496 	// Create descriptor pool
497 	const Unique<VkDescriptorPool> descriptorPool(
498 		DescriptorPoolBuilder()
499 		.addType(VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT, 1u)
500 		.addType(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, 1u)
501 		.build(deviceInterface, device, VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT, 1u));
502 
503 	// Create descriptor set
504 	const Unique<VkDescriptorSet> descriptorSet(makeDescriptorSet(deviceInterface, device, *descriptorPool, *descriptorSetLayout));
505 
506 	const VkPhysicalDeviceLimits deviceLimits = getPhysicalDeviceProperties(instance, physicalDevice).limits;
507 
508 	VkDeviceSize uboOffsetAlignment = sizeof(deInt32) < deviceLimits.minUniformBufferOffsetAlignment ? deviceLimits.minUniformBufferOffsetAlignment : sizeof(deInt32);
509 
510 	uboOffsetAlignment += (deviceLimits.minUniformBufferOffsetAlignment - uboOffsetAlignment % deviceLimits.minUniformBufferOffsetAlignment) % deviceLimits.minUniformBufferOffsetAlignment;
511 
512 	const VkBufferCreateInfo	bufferSampleIDInfo = makeBufferCreateInfo(uboOffsetAlignment * numSamples, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT);
513 	const de::UniquePtr<BufferWithMemory>	bufferSampleID(new BufferWithMemory(deviceInterface, device, allocator, bufferSampleIDInfo, MemoryRequirement::HostVisible));
514 
515 	std::vector<deUint32> sampleIDsOffsets(numSamples);
516 
517 	{
518 		deInt8* sampleIDs = new deInt8[static_cast<deUint32>(uboOffsetAlignment) * numSamples];
519 
520 		for (deInt32 sampleNdx = 0u; sampleNdx < static_cast<deInt32>(numSamples); ++sampleNdx)
521 		{
522 			sampleIDsOffsets[sampleNdx] = static_cast<deUint32>(sampleNdx * uboOffsetAlignment);
523 			deInt8* samplePtr = sampleIDs + sampleIDsOffsets[sampleNdx];
524 
525 			deMemcpy(samplePtr, &sampleNdx, sizeof(deInt32));
526 		}
527 
528 		deMemcpy(bufferSampleID->getAllocation().getHostPtr(), sampleIDs, static_cast<deUint32>(uboOffsetAlignment * numSamples));
529 
530 		flushAlloc(deviceInterface, device, bufferSampleID->getAllocation());
531 
532 		delete[] sampleIDs;
533 	}
534 
535 	{
536 		const VkDescriptorImageInfo	 descImageInfo  = makeDescriptorImageInfo(DE_NULL, imageViews[0], VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
537 		const VkDescriptorBufferInfo descBufferInfo	= makeDescriptorBufferInfo(**bufferSampleID, 0u, sizeof(deInt32));
538 
539 		DescriptorSetUpdateBuilder()
540 			.writeSingle(*descriptorSet, DescriptorSetUpdateBuilder::Location::binding(0u), VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT, &descImageInfo)
541 			.writeSingle(*descriptorSet, DescriptorSetUpdateBuilder::Location::binding(1u), VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, &descBufferInfo)
542 			.update(deviceInterface, device);
543 	}
544 
545 	// Create command buffer for compute and transfer oparations
546 	const Unique<VkCommandPool>	  commandPool(createCommandPool(deviceInterface, device, VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT, queueFamilyIndex));
547 	const Unique<VkCommandBuffer> commandBuffer(makeCommandBuffer(deviceInterface, device, *commandPool));
548 
549 	// Start recording commands
550 	beginCommandBuffer(deviceInterface, *commandBuffer);
551 
552 	{
553 		std::vector<VkImageMemoryBarrier> imageOutputAttachmentBarriers(firstSubpassAttachmentsCount + numSamples);
554 
555 		imageOutputAttachmentBarriers[0] = makeImageMemoryBarrier
556 		(
557 			0u,
558 			VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
559 			VK_IMAGE_LAYOUT_UNDEFINED,
560 			VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
561 			**imageMS,
562 			fullImageRange
563 		);
564 
565 		imageOutputAttachmentBarriers[1] = makeImageMemoryBarrier
566 		(
567 			0u,
568 			VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
569 			VK_IMAGE_LAYOUT_UNDEFINED,
570 			VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
571 			**imageRS,
572 			fullImageRange
573 		);
574 
575 		for (deUint32 sampleNdx = 0u; sampleNdx < numSamples; ++sampleNdx)
576 		{
577 			imageOutputAttachmentBarriers[firstSubpassAttachmentsCount + sampleNdx] = makeImageMemoryBarrier
578 			(
579 				0u,
580 				VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
581 				VK_IMAGE_LAYOUT_UNDEFINED,
582 				VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
583 				**imagesPerSampleVec[sampleNdx],
584 				fullImageRange
585 			);
586 		}
587 
588 		deviceInterface.cmdPipelineBarrier(*commandBuffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, 0u, 0u, DE_NULL, 0u, DE_NULL,
589 			static_cast<deUint32>(imageOutputAttachmentBarriers.size()), dataPointer(imageOutputAttachmentBarriers));
590 	}
591 
592 	{
593 		const VkDeviceSize vertexStartOffset = 0u;
594 
595 		std::vector<VkClearValue> clearValues(firstSubpassAttachmentsCount + numSamples);
596 		for (deUint32 attachmentNdx = 0u; attachmentNdx < firstSubpassAttachmentsCount + numSamples; ++attachmentNdx)
597 		{
598 			clearValues[attachmentNdx] = makeClearValueColor(tcu::Vec4(0.0f, 0.0f, 0.0f, 1.0f));
599 		}
600 
601 		beginRenderPass(deviceInterface, *commandBuffer, *renderPass, *framebuffer, makeRect2D(0, 0, imageMSInfo.extent.width, imageMSInfo.extent.height), (deUint32)clearValues.size(), dataPointer(clearValues));
602 
603 		// Bind graphics pipeline
604 		deviceInterface.cmdBindPipeline(*commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, graphicsPipelineMSPass.getPipeline());
605 
606 		const VkDescriptorSet* descriptorSetMSPass = createMSPassDescSet(m_imageMSParams, descriptorSetLayoutMSPass);
607 
608 		if (descriptorSetMSPass)
609 		{
610 			// Bind descriptor set
611 			deviceInterface.cmdBindDescriptorSets(*commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, *pipelineLayoutMSPass, 0u, 1u, descriptorSetMSPass, 0u, DE_NULL);
612 		}
613 
614 		// Bind vertex buffer
615 		deviceInterface.cmdBindVertexBuffers(*commandBuffer, 0u, 1u, &vertexBuffer->get(), &vertexStartOffset);
616 
617 		// Perform a draw
618 		deviceInterface.cmdDraw(*commandBuffer, vertexDataDesc.verticesCount, 1u, 0u, 0u);
619 
620 		for (deUint32 sampleNdx = 0u; sampleNdx < numSamples; ++sampleNdx)
621 		{
622 			deviceInterface.cmdNextSubpass(*commandBuffer, VK_SUBPASS_CONTENTS_INLINE);
623 
624 			// Bind graphics pipeline
625 			deviceInterface.cmdBindPipeline(*commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, graphicsPipelinesPerSampleFetch[sampleNdx].getPipeline());
626 
627 			// Bind descriptor set
628 			deviceInterface.cmdBindDescriptorSets(*commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, *pipelineLayoutPerSampleFetchPass, 0u, 1u, &descriptorSet.get(), 1u, &sampleIDsOffsets[sampleNdx]);
629 
630 			// Bind vertex buffer
631 			deviceInterface.cmdBindVertexBuffers(*commandBuffer, 0u, 1u, &vertexBufferPerSampleFetchPass->get(), &vertexStartOffset);
632 
633 			// Perform a draw
634 			deviceInterface.cmdDraw(*commandBuffer, 4u, 1u, 0u, 0u);
635 		}
636 
637 		// End render pass
638 		endRenderPass(deviceInterface, *commandBuffer);
639 	}
640 
641 	{
642 		const VkImageMemoryBarrier imageRSTransferBarrier = makeImageMemoryBarrier
643 		(
644 			VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
645 			VK_ACCESS_TRANSFER_READ_BIT,
646 			VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
647 			VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
648 			**imageRS,
649 			fullImageRange
650 		);
651 
652 		deviceInterface.cmdPipelineBarrier(*commandBuffer, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0u, 0u, DE_NULL, 0u, DE_NULL, 1u, &imageRSTransferBarrier);
653 	}
654 
655 	// Copy data from imageRS to buffer
656 	const deUint32				imageRSSizeInBytes = getImageSizeInBytes(imageRSInfo.extent, imageRSInfo.arrayLayers, m_imageFormat, imageRSInfo.mipLevels, 1u);
657 
658 	const VkBufferCreateInfo				bufferRSInfo = makeBufferCreateInfo(imageRSSizeInBytes, VK_BUFFER_USAGE_TRANSFER_DST_BIT);
659 	const de::UniquePtr<BufferWithMemory>	bufferRS(new BufferWithMemory(deviceInterface, device, allocator, bufferRSInfo, MemoryRequirement::HostVisible));
660 
661 	{
662 		const VkBufferImageCopy bufferImageCopy =
663 		{
664 			0u,																						//	VkDeviceSize				bufferOffset;
665 			0u,																						//	deUint32					bufferRowLength;
666 			0u,																						//	deUint32					bufferImageHeight;
667 			makeImageSubresourceLayers(VK_IMAGE_ASPECT_COLOR_BIT, 0u, 0u, imageRSInfo.arrayLayers),	//	VkImageSubresourceLayers	imageSubresource;
668 			makeOffset3D(0, 0, 0),																	//	VkOffset3D					imageOffset;
669 			imageRSInfo.extent,																		//	VkExtent3D					imageExtent;
670 		};
671 
672 		deviceInterface.cmdCopyImageToBuffer(*commandBuffer, **imageRS, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, bufferRS->get(), 1u, &bufferImageCopy);
673 	}
674 
675 	{
676 		const VkBufferMemoryBarrier bufferRSHostReadBarrier = makeBufferMemoryBarrier
677 		(
678 			VK_ACCESS_TRANSFER_WRITE_BIT,
679 			VK_ACCESS_HOST_READ_BIT,
680 			bufferRS->get(),
681 			0u,
682 			imageRSSizeInBytes
683 		);
684 
685 		deviceInterface.cmdPipelineBarrier(*commandBuffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_HOST_BIT, 0u, 0u, DE_NULL, 1u, &bufferRSHostReadBarrier, 0u, DE_NULL);
686 	}
687 
688 	// Copy data from per sample images to buffers
689 	std::vector<VkImageMemoryBarrier> imagesPerSampleTransferBarriers(numSamples);
690 
691 	for (deUint32 sampleNdx = 0u; sampleNdx < numSamples; ++sampleNdx)
692 	{
693 		imagesPerSampleTransferBarriers[sampleNdx] = makeImageMemoryBarrier
694 		(
695 			VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
696 			VK_ACCESS_TRANSFER_READ_BIT,
697 			VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
698 			VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
699 			**imagesPerSampleVec[sampleNdx],
700 			fullImageRange
701 		);
702 	}
703 
704 	deviceInterface.cmdPipelineBarrier(*commandBuffer, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0u, 0u, DE_NULL, 0u, DE_NULL,
705 		static_cast<deUint32>(imagesPerSampleTransferBarriers.size()), dataPointer(imagesPerSampleTransferBarriers));
706 
707 	std::vector<de::SharedPtr<BufferWithMemory> > buffersPerSample(numSamples);
708 
709 	for (deUint32 sampleNdx = 0u; sampleNdx < numSamples; ++sampleNdx)
710 	{
711 		buffersPerSample[sampleNdx] = de::SharedPtr<BufferWithMemory>(new BufferWithMemory(deviceInterface, device, allocator, bufferRSInfo, MemoryRequirement::HostVisible));
712 
713 		const VkBufferImageCopy bufferImageCopy =
714 		{
715 			0u,																						//	VkDeviceSize				bufferOffset;
716 			0u,																						//	deUint32					bufferRowLength;
717 			0u,																						//	deUint32					bufferImageHeight;
718 			makeImageSubresourceLayers(VK_IMAGE_ASPECT_COLOR_BIT, 0u, 0u, imageRSInfo.arrayLayers),	//	VkImageSubresourceLayers	imageSubresource;
719 			makeOffset3D(0, 0, 0),																	//	VkOffset3D					imageOffset;
720 			imageRSInfo.extent,																		//	VkExtent3D					imageExtent;
721 		};
722 
723 		deviceInterface.cmdCopyImageToBuffer(*commandBuffer, **imagesPerSampleVec[sampleNdx], VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, **buffersPerSample[sampleNdx], 1u, &bufferImageCopy);
724 	}
725 
726 	std::vector<VkBufferMemoryBarrier> buffersPerSampleHostReadBarriers(numSamples);
727 
728 	for (deUint32 sampleNdx = 0u; sampleNdx < numSamples; ++sampleNdx)
729 	{
730 		buffersPerSampleHostReadBarriers[sampleNdx] = makeBufferMemoryBarrier
731 		(
732 			VK_ACCESS_TRANSFER_WRITE_BIT,
733 			VK_ACCESS_HOST_READ_BIT,
734 			**buffersPerSample[sampleNdx],
735 			0u,
736 			imageRSSizeInBytes
737 		);
738 	}
739 
740 	deviceInterface.cmdPipelineBarrier(*commandBuffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_HOST_BIT, 0u, 0u, DE_NULL,
741 		static_cast<deUint32>(buffersPerSampleHostReadBarriers.size()), dataPointer(buffersPerSampleHostReadBarriers), 0u, DE_NULL);
742 
743 	// End recording commands
744 	endCommandBuffer(deviceInterface, *commandBuffer);
745 
746 	// Submit commands for execution and wait for completion
747 	submitCommandsAndWait(deviceInterface, device, queue, *commandBuffer);
748 
749 	// Retrieve data from bufferRS to host memory
750 	const Allocation& bufferRSAlloc = bufferRS->getAllocation();
751 
752 	invalidateAlloc(deviceInterface, device, bufferRSAlloc);
753 
754 	const tcu::ConstPixelBufferAccess bufferRSData (m_imageFormat,
755 													imageRSInfo.extent.width,
756 													imageRSInfo.extent.height,
757 													imageRSInfo.extent.depth * imageRSInfo.arrayLayers,
758 													bufferRSAlloc.getHostPtr());
759 
760 	std::stringstream resolveName;
761 	resolveName << "Resolve image " << getImageTypeName(m_imageType) << "_" << bufferRSData.getWidth() << "_" << bufferRSData.getHeight() << "_" << bufferRSData.getDepth() << std::endl;
762 
763 	m_context.getTestContext().getLog()
764 		<< tcu::TestLog::Section(resolveName.str(), resolveName.str())
765 		<< tcu::LogImage("resolve", "", bufferRSData)
766 		<< tcu::TestLog::EndSection;
767 
768 	std::vector<tcu::ConstPixelBufferAccess> buffersPerSampleData(numSamples);
769 
770 	// Retrieve data from per sample buffers to host memory
771 	for (deUint32 sampleNdx = 0u; sampleNdx < numSamples; ++sampleNdx)
772 	{
773 		const Allocation& bufferAlloc = buffersPerSample[sampleNdx]->getAllocation();
774 
775 		invalidateAlloc(deviceInterface, device, bufferAlloc);
776 
777 		buffersPerSampleData[sampleNdx] = tcu::ConstPixelBufferAccess
778 		(
779 			m_imageFormat,
780 			imageRSInfo.extent.width,
781 			imageRSInfo.extent.height,
782 			imageRSInfo.extent.depth * imageRSInfo.arrayLayers,
783 			bufferAlloc.getHostPtr()
784 		);
785 
786 		std::stringstream sampleName;
787 		sampleName << "Sample " << sampleNdx << " image" << std::endl;
788 
789 		m_context.getTestContext().getLog()
790 			<< tcu::TestLog::Section(sampleName.str(), sampleName.str())
791 			<< tcu::LogImage("sample", "", buffersPerSampleData[sampleNdx])
792 			<< tcu::TestLog::EndSection;
793 	}
794 
795 	return verifyImageData(imageMSInfo, imageRSInfo, buffersPerSampleData, bufferRSData);
796 }
797 
798 } // multisample
799 } // pipeline
800 } // vkt
801