/*------------------------------------------------------------------------
 * Vulkan Conformance Tests
 * ------------------------
 *
 * Copyright (c) 2016 The Khronos Group Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 *//*!
 * \file
 * \brief Synchronization tests utilities
 *//*--------------------------------------------------------------------*/

#include "vktSynchronizationUtil.hpp"
#include "vkTypeUtil.hpp"
#include "vkCmdUtil.hpp"
#include "deStringUtil.hpp"

namespace vkt
{
namespace synchronization
{
using namespace vk;

Move<VkCommandBuffer> makeCommandBuffer (const DeviceInterface& vk, const VkDevice device, const VkCommandPool commandPool)
{
	const VkCommandBufferAllocateInfo info =
	{
		VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO,		// VkStructureType		sType;
		DE_NULL,											// const void*			pNext;
		commandPool,										// VkCommandPool		commandPool;
		VK_COMMAND_BUFFER_LEVEL_PRIMARY,					// VkCommandBufferLevel	level;
		1u,													// deUint32				commandBufferCount;
	};
	return allocateCommandBuffer(vk, device, &info);
}

Move<VkPipeline> makeComputePipeline (const DeviceInterface&		vk,
									  const VkDevice				device,
									  const VkPipelineLayout		pipelineLayout,
									  const VkShaderModule			shaderModule,
									  const VkSpecializationInfo*	specInfo,
									  PipelineCacheData&			pipelineCacheData)
{
	const VkPipelineShaderStageCreateInfo shaderStageInfo =
	{
		VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,	// VkStructureType					sType;
		DE_NULL,												// const void*						pNext;
		(VkPipelineShaderStageCreateFlags)0,					// VkPipelineShaderStageCreateFlags	flags;
		VK_SHADER_STAGE_COMPUTE_BIT,							// VkShaderStageFlagBits			stage;
		shaderModule,											// VkShaderModule					module;
		"main",													// const char*						pName;
		specInfo,												// const VkSpecializationInfo*		pSpecializationInfo;
	};
	const VkComputePipelineCreateInfo pipelineInfo =
	{
		VK_STRUCTURE_TYPE_COMPUTE_PIPELINE_CREATE_INFO,		// VkStructureType					sType;
		DE_NULL,											// const void*						pNext;
		(VkPipelineCreateFlags)0,							// VkPipelineCreateFlags			flags;
		shaderStageInfo,									// VkPipelineShaderStageCreateInfo	stage;
		pipelineLayout,										// VkPipelineLayout					layout;
		DE_NULL,											// VkPipeline						basePipelineHandle;
		0,													// deInt32							basePipelineIndex;
	};

	{
		const vk::Unique<vk::VkPipelineCache>	pipelineCache	(pipelineCacheData.createPipelineCache(vk, device));
		vk::Move<vk::VkPipeline>				pipeline		(createComputePipeline(vk, device, *pipelineCache, &pipelineInfo));

		// Refresh data from cache
		pipelineCacheData.setFromPipelineCache(vk, device, *pipelineCache);

		return pipeline;
	}
}

VkImageCreateInfo makeImageCreateInfo (const VkImageType imageType, const VkExtent3D& extent, const VkFormat format, const VkImageUsageFlags usage)
{
	const VkImageCreateInfo imageInfo =
	{
		VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,		// VkStructureType          sType;
		DE_NULL,									// const void*              pNext;
		(VkImageCreateFlags)0,						// VkImageCreateFlags       flags;
		imageType,									// VkImageType              imageType;
		format,										// VkFormat                 format;
		extent,										// VkExtent3D               extent;
		1u,											// uint32_t                 mipLevels;
		1u,											// uint32_t                 arrayLayers;
		VK_SAMPLE_COUNT_1_BIT,						// VkSampleCountFlagBits    samples;
		VK_IMAGE_TILING_OPTIMAL,					// VkImageTiling            tiling;
		usage,										// VkImageUsageFlags        usage;
		VK_SHARING_MODE_EXCLUSIVE,					// VkSharingMode            sharingMode;
		0u,											// uint32_t                 queueFamilyIndexCount;
		DE_NULL,									// const uint32_t*          pQueueFamilyIndices;
		VK_IMAGE_LAYOUT_UNDEFINED,					// VkImageLayout            initialLayout;
	};
	return imageInfo;
}

VkBufferImageCopy makeBufferImageCopy (const VkImageSubresourceLayers	subresourceLayers,
									   const VkExtent3D					extent)
{
	const VkBufferImageCopy copyParams =
	{
		0ull,										//	VkDeviceSize				bufferOffset;
		0u,											//	deUint32					bufferRowLength;
		0u,											//	deUint32					bufferImageHeight;
		subresourceLayers,							//	VkImageSubresourceLayers	imageSubresource;
		makeOffset3D(0, 0, 0),						//	VkOffset3D					imageOffset;
		extent,										//	VkExtent3D					imageExtent;
	};
	return copyParams;
}

void beginRenderPassWithRasterizationDisabled (const DeviceInterface&	vk,
											   const VkCommandBuffer	commandBuffer,
											   const VkRenderPass		renderPass,
											   const VkFramebuffer		framebuffer)
{
	const VkRect2D renderArea = {{ 0, 0 }, { 0, 0 }};

	beginRenderPass(vk, commandBuffer, renderPass, framebuffer, renderArea);
}

GraphicsPipelineBuilder& GraphicsPipelineBuilder::setShader (const DeviceInterface&			vk,
															 const VkDevice					device,
															 const VkShaderStageFlagBits	stage,
															 const ProgramBinary&			binary,
															 const VkSpecializationInfo*	specInfo)
{
	VkShaderModule module;
	switch (stage)
	{
		case (VK_SHADER_STAGE_VERTEX_BIT):
			DE_ASSERT(m_vertexShaderModule.get() == DE_NULL);
			m_vertexShaderModule = createShaderModule(vk, device, binary, (VkShaderModuleCreateFlags)0);
			module = *m_vertexShaderModule;
			break;

		case (VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT):
			DE_ASSERT(m_tessControlShaderModule.get() == DE_NULL);
			m_tessControlShaderModule = createShaderModule(vk, device, binary, (VkShaderModuleCreateFlags)0);
			module = *m_tessControlShaderModule;
			break;

		case (VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT):
			DE_ASSERT(m_tessEvaluationShaderModule.get() == DE_NULL);
			m_tessEvaluationShaderModule = createShaderModule(vk, device, binary, (VkShaderModuleCreateFlags)0);
			module = *m_tessEvaluationShaderModule;
			break;

		case (VK_SHADER_STAGE_GEOMETRY_BIT):
			DE_ASSERT(m_geometryShaderModule.get() == DE_NULL);
			m_geometryShaderModule = createShaderModule(vk, device, binary, (VkShaderModuleCreateFlags)0);
			module = *m_geometryShaderModule;
			break;

		case (VK_SHADER_STAGE_FRAGMENT_BIT):
			DE_ASSERT(m_fragmentShaderModule.get() == DE_NULL);
			m_fragmentShaderModule = createShaderModule(vk, device, binary, (VkShaderModuleCreateFlags)0);
			module = *m_fragmentShaderModule;
			break;

		default:
			DE_FATAL("Invalid shader stage");
			return *this;
	}

	const VkPipelineShaderStageCreateInfo pipelineShaderStageInfo =
	{
		VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,	// VkStructureType						sType;
		DE_NULL,												// const void*							pNext;
		(VkPipelineShaderStageCreateFlags)0,					// VkPipelineShaderStageCreateFlags		flags;
		stage,													// VkShaderStageFlagBits				stage;
		module,													// VkShaderModule						module;
		"main",													// const char*							pName;
		specInfo,												// const VkSpecializationInfo*			pSpecializationInfo;
	};

	m_shaderStageFlags |= stage;
	m_shaderStages.push_back(pipelineShaderStageInfo);

	return *this;
}

GraphicsPipelineBuilder& GraphicsPipelineBuilder::setVertexInputSingleAttribute (const VkFormat vertexFormat, const deUint32 stride)
{
	const VkVertexInputBindingDescription bindingDesc =
	{
		0u,									// uint32_t				binding;
		stride,								// uint32_t				stride;
		VK_VERTEX_INPUT_RATE_VERTEX,		// VkVertexInputRate	inputRate;
	};
	const VkVertexInputAttributeDescription attributeDesc =
	{
		0u,									// uint32_t			location;
		0u,									// uint32_t			binding;
		vertexFormat,						// VkFormat			format;
		0u,									// uint32_t			offset;
	};

	m_vertexInputBindings.clear();
	m_vertexInputBindings.push_back(bindingDesc);

	m_vertexInputAttributes.clear();
	m_vertexInputAttributes.push_back(attributeDesc);

	return *this;
}

template<typename T>
inline const T* dataPointer (const std::vector<T>& vec)
{
	return (vec.size() != 0 ? &vec[0] : DE_NULL);
}

Move<VkPipeline> GraphicsPipelineBuilder::build (const DeviceInterface&	vk,
												 const VkDevice			device,
												 const VkPipelineLayout	pipelineLayout,
												 const VkRenderPass		renderPass,
												 PipelineCacheData&		pipelineCacheData)
{
	const VkPipelineVertexInputStateCreateInfo vertexInputStateInfo =
	{
		VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,		// VkStructureType                             sType;
		DE_NULL,														// const void*                                 pNext;
		(VkPipelineVertexInputStateCreateFlags)0,						// VkPipelineVertexInputStateCreateFlags       flags;
		static_cast<deUint32>(m_vertexInputBindings.size()),			// uint32_t                                    vertexBindingDescriptionCount;
		dataPointer(m_vertexInputBindings),								// const VkVertexInputBindingDescription*      pVertexBindingDescriptions;
		static_cast<deUint32>(m_vertexInputAttributes.size()),			// uint32_t                                    vertexAttributeDescriptionCount;
		dataPointer(m_vertexInputAttributes),							// const VkVertexInputAttributeDescription*    pVertexAttributeDescriptions;
	};

	const VkPrimitiveTopology topology = (m_shaderStageFlags & VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT) ? VK_PRIMITIVE_TOPOLOGY_PATCH_LIST
																										 : m_primitiveTopology;
	const VkPipelineInputAssemblyStateCreateInfo pipelineInputAssemblyStateInfo =
	{
		VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO,	// VkStructureType                             sType;
		DE_NULL,														// const void*                                 pNext;
		(VkPipelineInputAssemblyStateCreateFlags)0,						// VkPipelineInputAssemblyStateCreateFlags     flags;
		topology,														// VkPrimitiveTopology                         topology;
		VK_FALSE,														// VkBool32                                    primitiveRestartEnable;
	};

	const VkPipelineTessellationStateCreateInfo pipelineTessellationStateInfo =
	{
		VK_STRUCTURE_TYPE_PIPELINE_TESSELLATION_STATE_CREATE_INFO,		// VkStructureType                             sType;
		DE_NULL,														// const void*                                 pNext;
		(VkPipelineTessellationStateCreateFlags)0,						// VkPipelineTessellationStateCreateFlags      flags;
		m_patchControlPoints,											// uint32_t                                    patchControlPoints;
	};

	const VkViewport	viewport	= makeViewport(m_renderSize);
	const VkRect2D		scissor		= makeRect2D(m_renderSize);

	const VkPipelineViewportStateCreateInfo pipelineViewportStateInfo =
	{
		VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO,	// VkStructureType                             sType;
		DE_NULL,												// const void*                                 pNext;
		(VkPipelineViewportStateCreateFlags)0,					// VkPipelineViewportStateCreateFlags          flags;
		1u,														// uint32_t                                    viewportCount;
		&viewport,												// const VkViewport*                           pViewports;
		1u,														// uint32_t                                    scissorCount;
		&scissor,												// const VkRect2D*                             pScissors;
	};

	const bool isRasterizationDisabled = ((m_shaderStageFlags & VK_SHADER_STAGE_FRAGMENT_BIT) == 0);
	const VkPipelineRasterizationStateCreateInfo pipelineRasterizationStateInfo =
	{
		VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO,		// VkStructureType                          sType;
		DE_NULL,														// const void*                              pNext;
		(VkPipelineRasterizationStateCreateFlags)0,						// VkPipelineRasterizationStateCreateFlags  flags;
		VK_FALSE,														// VkBool32                                 depthClampEnable;
		isRasterizationDisabled,										// VkBool32                                 rasterizerDiscardEnable;
		VK_POLYGON_MODE_FILL,											// VkPolygonMode							polygonMode;
		m_cullModeFlags,												// VkCullModeFlags							cullMode;
		m_frontFace,													// VkFrontFace								frontFace;
		VK_FALSE,														// VkBool32									depthBiasEnable;
		0.0f,															// float									depthBiasConstantFactor;
		0.0f,															// float									depthBiasClamp;
		0.0f,															// float									depthBiasSlopeFactor;
		1.0f,															// float									lineWidth;
	};

	const VkPipelineMultisampleStateCreateInfo pipelineMultisampleStateInfo =
	{
		VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,	// VkStructureType							sType;
		DE_NULL,													// const void*								pNext;
		(VkPipelineMultisampleStateCreateFlags)0,					// VkPipelineMultisampleStateCreateFlags	flags;
		VK_SAMPLE_COUNT_1_BIT,										// VkSampleCountFlagBits					rasterizationSamples;
		VK_FALSE,													// VkBool32									sampleShadingEnable;
		0.0f,														// float									minSampleShading;
		DE_NULL,													// const VkSampleMask*						pSampleMask;
		VK_FALSE,													// VkBool32									alphaToCoverageEnable;
		VK_FALSE													// VkBool32									alphaToOneEnable;
	};

	const VkStencilOpState stencilOpState = makeStencilOpState(
		VK_STENCIL_OP_KEEP,		// stencil fail
		VK_STENCIL_OP_KEEP,		// depth & stencil pass
		VK_STENCIL_OP_KEEP,		// depth only fail
		VK_COMPARE_OP_NEVER,	// compare op
		0u,						// compare mask
		0u,						// write mask
		0u);					// reference

	const VkPipelineDepthStencilStateCreateInfo pipelineDepthStencilStateInfo =
	{
		VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO,	// VkStructureType							sType;
		DE_NULL,													// const void*								pNext;
		(VkPipelineDepthStencilStateCreateFlags)0,					// VkPipelineDepthStencilStateCreateFlags	flags;
		VK_FALSE,													// VkBool32									depthTestEnable;
		VK_FALSE,													// VkBool32									depthWriteEnable;
		VK_COMPARE_OP_LESS,											// VkCompareOp								depthCompareOp;
		VK_FALSE,													// VkBool32									depthBoundsTestEnable;
		VK_FALSE,													// VkBool32									stencilTestEnable;
		stencilOpState,												// VkStencilOpState							front;
		stencilOpState,												// VkStencilOpState							back;
		0.0f,														// float									minDepthBounds;
		1.0f,														// float									maxDepthBounds;
	};

	const VkColorComponentFlags colorComponentsAll = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
	const VkPipelineColorBlendAttachmentState pipelineColorBlendAttachmentState =
	{
		m_blendEnable,						// VkBool32					blendEnable;
		VK_BLEND_FACTOR_SRC_ALPHA,			// VkBlendFactor			srcColorBlendFactor;
		VK_BLEND_FACTOR_ONE,				// VkBlendFactor			dstColorBlendFactor;
		VK_BLEND_OP_ADD,					// VkBlendOp				colorBlendOp;
		VK_BLEND_FACTOR_SRC_ALPHA,			// VkBlendFactor			srcAlphaBlendFactor;
		VK_BLEND_FACTOR_ONE,				// VkBlendFactor			dstAlphaBlendFactor;
		VK_BLEND_OP_ADD,					// VkBlendOp				alphaBlendOp;
		colorComponentsAll,					// VkColorComponentFlags	colorWriteMask;
	};

	const VkPipelineColorBlendStateCreateInfo pipelineColorBlendStateInfo =
	{
		VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO,	// VkStructureType								sType;
		DE_NULL,													// const void*									pNext;
		(VkPipelineColorBlendStateCreateFlags)0,					// VkPipelineColorBlendStateCreateFlags			flags;
		VK_FALSE,													// VkBool32										logicOpEnable;
		VK_LOGIC_OP_COPY,											// VkLogicOp									logicOp;
		1u,															// deUint32										attachmentCount;
		&pipelineColorBlendAttachmentState,							// const VkPipelineColorBlendAttachmentState*	pAttachments;
		{ 0.0f, 0.0f, 0.0f, 0.0f },									// float										blendConstants[4];
	};

	const VkGraphicsPipelineCreateInfo graphicsPipelineInfo =
	{
		VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,						// VkStructureType									sType;
		DE_NULL,																// const void*										pNext;
		(VkPipelineCreateFlags)0,												// VkPipelineCreateFlags							flags;
		static_cast<deUint32>(m_shaderStages.size()),							// deUint32											stageCount;
		&m_shaderStages[0],														// const VkPipelineShaderStageCreateInfo*			pStages;
		&vertexInputStateInfo,													// const VkPipelineVertexInputStateCreateInfo*		pVertexInputState;
		&pipelineInputAssemblyStateInfo,										// const VkPipelineInputAssemblyStateCreateInfo*	pInputAssemblyState;
		(m_shaderStageFlags & VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT ? &pipelineTessellationStateInfo : DE_NULL), // const VkPipelineTessellationStateCreateInfo*		pTessellationState;
		(isRasterizationDisabled ? DE_NULL : &pipelineViewportStateInfo),		// const VkPipelineViewportStateCreateInfo*			pViewportState;
		&pipelineRasterizationStateInfo,										// const VkPipelineRasterizationStateCreateInfo*	pRasterizationState;
		(isRasterizationDisabled ? DE_NULL : &pipelineMultisampleStateInfo),	// const VkPipelineMultisampleStateCreateInfo*		pMultisampleState;
		(isRasterizationDisabled ? DE_NULL : &pipelineDepthStencilStateInfo),	// const VkPipelineDepthStencilStateCreateInfo*		pDepthStencilState;
		(isRasterizationDisabled ? DE_NULL : &pipelineColorBlendStateInfo),		// const VkPipelineColorBlendStateCreateInfo*		pColorBlendState;
		DE_NULL,																// const VkPipelineDynamicStateCreateInfo*			pDynamicState;
		pipelineLayout,															// VkPipelineLayout									layout;
		renderPass,																// VkRenderPass										renderPass;
		0u,																		// deUint32											subpass;
		DE_NULL,																// VkPipeline										basePipelineHandle;
		0,																		// deInt32											basePipelineIndex;
	};

	{
		const vk::Unique<vk::VkPipelineCache>	pipelineCache	(pipelineCacheData.createPipelineCache(vk, device));
		vk::Move<vk::VkPipeline>				pipeline		(createGraphicsPipeline(vk, device, *pipelineCache, &graphicsPipelineInfo));

		// Refresh data from cache
		pipelineCacheData.setFromPipelineCache(vk, device, *pipelineCache);

		return pipeline;
	}
}

void requireFeatures (const InstanceInterface& vki, const VkPhysicalDevice physDevice, const FeatureFlags flags)
{
	const VkPhysicalDeviceFeatures features = getPhysicalDeviceFeatures(vki, physDevice);

	if (((flags & FEATURE_TESSELLATION_SHADER) != 0) && !features.tessellationShader)
		throw tcu::NotSupportedError("Tessellation shader not supported");

	if (((flags & FEATURE_GEOMETRY_SHADER) != 0) && !features.geometryShader)
		throw tcu::NotSupportedError("Geometry shader not supported");

	if (((flags & FEATURE_SHADER_FLOAT_64) != 0) && !features.shaderFloat64)
		throw tcu::NotSupportedError("Double-precision floats not supported");

	if (((flags & FEATURE_VERTEX_PIPELINE_STORES_AND_ATOMICS) != 0) && !features.vertexPipelineStoresAndAtomics)
		throw tcu::NotSupportedError("SSBO and image writes not supported in vertex pipeline");

	if (((flags & FEATURE_FRAGMENT_STORES_AND_ATOMICS) != 0) && !features.fragmentStoresAndAtomics)
		throw tcu::NotSupportedError("SSBO and image writes not supported in fragment shader");

	if (((flags & FEATURE_SHADER_TESSELLATION_AND_GEOMETRY_POINT_SIZE) != 0) && !features.shaderTessellationAndGeometryPointSize)
		throw tcu::NotSupportedError("Tessellation and geometry shaders don't support PointSize built-in");

	if (((flags & FEATURE_SHADER_STORAGE_IMAGE_EXTENDED_FORMATS) != 0) && !features.shaderStorageImageExtendedFormats)
		throw tcu::NotSupportedError("Storage image extended formats not supported");
}

std::string getResourceName (const ResourceDescription& resource)
{
	std::ostringstream str;

	if (resource.type == RESOURCE_TYPE_BUFFER)
		str << "buffer_" << resource.size.x();
	else if (resource.type == RESOURCE_TYPE_IMAGE)
	{
		str << "image_" << resource.size.x()
						<< (resource.size.y() > 0 ? "x" + de::toString(resource.size.y()) : "")
						<< (resource.size.z() > 0 ? "x" + de::toString(resource.size.z()) : "")
			<< "_" << de::toLower(getFormatName(resource.imageFormat)).substr(10);
	}
	else if (isIndirectBuffer(resource.type))
		str << "indirect_buffer";
	else
		DE_ASSERT(0);

	return str.str();
}

bool isIndirectBuffer (const ResourceType type)
{
	switch (type)
	{
		case RESOURCE_TYPE_INDIRECT_BUFFER_DRAW:
		case RESOURCE_TYPE_INDIRECT_BUFFER_DRAW_INDEXED:
		case RESOURCE_TYPE_INDIRECT_BUFFER_DISPATCH:
			return true;

		default:
			return false;
	}
}

PipelineCacheData::PipelineCacheData (void)
{
}

PipelineCacheData::~PipelineCacheData (void)
{
}

vk::Move<VkPipelineCache> PipelineCacheData::createPipelineCache (const vk::DeviceInterface& vk, const vk::VkDevice device) const
{
	const de::ScopedLock						dataLock	(m_lock);
	const struct vk::VkPipelineCacheCreateInfo	params	=
	{
		vk::VK_STRUCTURE_TYPE_PIPELINE_CACHE_CREATE_INFO,
		DE_NULL,
		(vk::VkPipelineCacheCreateFlags)0,
		(deUintptr)m_data.size(),
		(m_data.empty() ? DE_NULL : &m_data[0])
	};

	return vk::createPipelineCache(vk, device, &params);
}

void PipelineCacheData::setFromPipelineCache (const vk::DeviceInterface& vk, const vk::VkDevice device, const vk::VkPipelineCache pipelineCache)
{
	const de::ScopedLock		dataLock		(m_lock);
	deUintptr					dataSize		= 0;

	VK_CHECK(vk.getPipelineCacheData(device, pipelineCache, &dataSize, DE_NULL));

	m_data.resize(dataSize);

	if (dataSize > 0)
		VK_CHECK(vk.getPipelineCacheData(device, pipelineCache, &dataSize, &m_data[0]));
}

} // synchronization
} // vkt