src/Vulkan/VkGetProcAddress.cpp - SwiftShader - Git at Google

 // Copyright 2018 The SwiftShader Authors. All Rights Reserved.
 //
 // 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.

 #include "VkGetProcAddress.h"

 #include <unordered_map>
 #include <string>

 #include <vulkan/vulkan.h>

 #ifdef __ANDROID__
 #include <cerrno>
 #include <hardware/hwvulkan.h>
 #endif

 namespace vk
 {

 #define MAKE_VULKAN_GLOBAL_ENTRY(aFunction) { #aFunction, reinterpret_cast<PFN_vkVoidFunction>(aFunction) }
 static const std::unordered_map<std::string, PFN_vkVoidFunction> globalFunctionPointers =
 {
 	MAKE_VULKAN_GLOBAL_ENTRY(vkCreateInstance),
 	MAKE_VULKAN_GLOBAL_ENTRY(vkEnumerateInstanceExtensionProperties),
 	MAKE_VULKAN_GLOBAL_ENTRY(vkEnumerateInstanceLayerProperties),
 	MAKE_VULKAN_GLOBAL_ENTRY(vkEnumerateInstanceVersion),
 };
 #undef MAKE_VULKAN_GLOBAL_ENTRY

 #define MAKE_VULKAN_INSTANCE_ENTRY(aFunction) { #aFunction, reinterpret_cast<PFN_vkVoidFunction>(aFunction) }
 static const std::unordered_map<std::string, PFN_vkVoidFunction> instanceFunctionPointers =
 {
 	MAKE_VULKAN_INSTANCE_ENTRY(vkDestroyInstance),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkEnumeratePhysicalDevices),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceFeatures),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceFormatProperties),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceImageFormatProperties),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceProperties),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceQueueFamilyProperties),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceMemoryProperties),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkCreateDevice),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkEnumerateDeviceExtensionProperties),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkEnumerateDeviceLayerProperties),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceSparseImageFormatProperties),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkEnumeratePhysicalDeviceGroups),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceFeatures2),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceProperties2),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceFormatProperties2),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceImageFormatProperties2),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceQueueFamilyProperties2),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceMemoryProperties2),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceSparseImageFormatProperties2),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceExternalBufferProperties),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceExternalFenceProperties),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceExternalSemaphoreProperties),
 	// VK_KHR_device_group_creation
 	MAKE_VULKAN_INSTANCE_ENTRY(vkEnumeratePhysicalDeviceGroupsKHR),
 	// VK_KHR_external_fence_capabilities
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceExternalFencePropertiesKHR),
 	// VK_KHR_external_memory_capabilities
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceExternalBufferPropertiesKHR),
 	// VK_KHR_external_semaphore_capabilities
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceExternalSemaphorePropertiesKHR),
 	// VK_KHR_get_physical_device_properties2
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceFeatures2KHR),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceProperties2KHR),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceFormatProperties2KHR),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceImageFormatProperties2KHR),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceQueueFamilyProperties2KHR),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceMemoryProperties2KHR),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceSparseImageFormatProperties2KHR),
 #ifndef __ANDROID__
 	// VK_KHR_surface
 	MAKE_VULKAN_INSTANCE_ENTRY(vkDestroySurfaceKHR),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceSurfaceSupportKHR),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceSurfaceCapabilitiesKHR),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceSurfaceFormatsKHR),
 	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceSurfacePresentModesKHR),
 #endif
 #ifdef VK_USE_PLATFORM_XLIB_KHR
 	// VK_KHR_xlib_surface
 	MAKE_VULKAN_INSTANCE_ENTRY(vkCreateXlibSurfaceKHR),
 #endif
 };
 #undef MAKE_VULKAN_INSTANCE_ENTRY

 #define MAKE_VULKAN_DEVICE_ENTRY(aFunction) { #aFunction, reinterpret_cast<PFN_vkVoidFunction>(aFunction) }
 static const std::unordered_map<std::string, PFN_vkVoidFunction> deviceFunctionPointers =
 {
 	MAKE_VULKAN_DEVICE_ENTRY(vkGetInstanceProcAddr),
 	MAKE_VULKAN_DEVICE_ENTRY(vkGetDeviceProcAddr),
 	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyDevice),
 	MAKE_VULKAN_DEVICE_ENTRY(vkGetDeviceQueue),
 	MAKE_VULKAN_DEVICE_ENTRY(vkQueueSubmit),
 	MAKE_VULKAN_DEVICE_ENTRY(vkQueueWaitIdle),
 	MAKE_VULKAN_DEVICE_ENTRY(vkDeviceWaitIdle),
 	MAKE_VULKAN_DEVICE_ENTRY(vkAllocateMemory),
 	MAKE_VULKAN_DEVICE_ENTRY(vkFreeMemory),
 	MAKE_VULKAN_DEVICE_ENTRY(vkMapMemory),
 	MAKE_VULKAN_DEVICE_ENTRY(vkUnmapMemory),
 	MAKE_VULKAN_DEVICE_ENTRY(vkFlushMappedMemoryRanges),
 	MAKE_VULKAN_DEVICE_ENTRY(vkInvalidateMappedMemoryRanges),
 	MAKE_VULKAN_DEVICE_ENTRY(vkGetDeviceMemoryCommitment),
 	MAKE_VULKAN_DEVICE_ENTRY(vkBindBufferMemory),
 	MAKE_VULKAN_DEVICE_ENTRY(vkBindImageMemory),
 	MAKE_VULKAN_DEVICE_ENTRY(vkGetBufferMemoryRequirements),
 	MAKE_VULKAN_DEVICE_ENTRY(vkGetImageMemoryRequirements),
 	MAKE_VULKAN_DEVICE_ENTRY(vkGetImageSparseMemoryRequirements),
 	MAKE_VULKAN_DEVICE_ENTRY(vkQueueBindSparse),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCreateFence),
 	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyFence),
 	MAKE_VULKAN_DEVICE_ENTRY(vkResetFences),
 	MAKE_VULKAN_DEVICE_ENTRY(vkGetFenceStatus),
 	MAKE_VULKAN_DEVICE_ENTRY(vkWaitForFences),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCreateSemaphore),
 	MAKE_VULKAN_DEVICE_ENTRY(vkDestroySemaphore),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCreateEvent),
 	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyEvent),
 	MAKE_VULKAN_DEVICE_ENTRY(vkGetEventStatus),
 	MAKE_VULKAN_DEVICE_ENTRY(vkSetEvent),
 	MAKE_VULKAN_DEVICE_ENTRY(vkResetEvent),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCreateQueryPool),
 	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyQueryPool),
 	MAKE_VULKAN_DEVICE_ENTRY(vkGetQueryPoolResults),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCreateBuffer),
 	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyBuffer),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCreateBufferView),
 	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyBufferView),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCreateImage),
 	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyImage),
 	MAKE_VULKAN_DEVICE_ENTRY(vkGetImageSubresourceLayout),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCreateImageView),
 	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyImageView),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCreateShaderModule),
 	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyShaderModule),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCreatePipelineCache),
 	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyPipelineCache),
 	MAKE_VULKAN_DEVICE_ENTRY(vkGetPipelineCacheData),
 	MAKE_VULKAN_DEVICE_ENTRY(vkMergePipelineCaches),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCreateGraphicsPipelines),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCreateComputePipelines),
 	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyPipeline),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCreatePipelineLayout),
 	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyPipelineLayout),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCreateSampler),
 	MAKE_VULKAN_DEVICE_ENTRY(vkDestroySampler),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCreateDescriptorSetLayout),
 	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyDescriptorSetLayout),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCreateDescriptorPool),
 	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyDescriptorPool),
 	MAKE_VULKAN_DEVICE_ENTRY(vkResetDescriptorPool),
 	MAKE_VULKAN_DEVICE_ENTRY(vkAllocateDescriptorSets),
 	MAKE_VULKAN_DEVICE_ENTRY(vkFreeDescriptorSets),
 	MAKE_VULKAN_DEVICE_ENTRY(vkUpdateDescriptorSets),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCreateFramebuffer),
 	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyFramebuffer),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCreateRenderPass),
 	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyRenderPass),
 	MAKE_VULKAN_DEVICE_ENTRY(vkGetRenderAreaGranularity),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCreateCommandPool),
 	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyCommandPool),
 	MAKE_VULKAN_DEVICE_ENTRY(vkResetCommandPool),
 	MAKE_VULKAN_DEVICE_ENTRY(vkAllocateCommandBuffers),
 	MAKE_VULKAN_DEVICE_ENTRY(vkFreeCommandBuffers),
 	MAKE_VULKAN_DEVICE_ENTRY(vkBeginCommandBuffer),
 	MAKE_VULKAN_DEVICE_ENTRY(vkEndCommandBuffer),
 	MAKE_VULKAN_DEVICE_ENTRY(vkResetCommandBuffer),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdBindPipeline),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdSetViewport),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdSetScissor),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdSetLineWidth),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdSetDepthBias),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdSetBlendConstants),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdSetDepthBounds),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdSetStencilCompareMask),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdSetStencilWriteMask),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdSetStencilReference),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdBindDescriptorSets),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdBindIndexBuffer),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdBindVertexBuffers),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdDraw),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdDrawIndexed),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdDrawIndirect),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdDrawIndexedIndirect),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdDispatch),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdDispatchIndirect),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdCopyBuffer),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdCopyImage),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdBlitImage),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdCopyBufferToImage),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdCopyImageToBuffer),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdUpdateBuffer),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdFillBuffer),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdClearColorImage),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdClearDepthStencilImage),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdClearAttachments),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdResolveImage),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdSetEvent),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdResetEvent),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdWaitEvents),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdPipelineBarrier),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdBeginQuery),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdEndQuery),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdResetQueryPool),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdWriteTimestamp),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdCopyQueryPoolResults),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdPushConstants),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdBeginRenderPass),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdNextSubpass),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdEndRenderPass),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdExecuteCommands),
 	MAKE_VULKAN_DEVICE_ENTRY(vkBindBufferMemory2),
 	MAKE_VULKAN_DEVICE_ENTRY(vkBindImageMemory2),
 	MAKE_VULKAN_DEVICE_ENTRY(vkGetDeviceGroupPeerMemoryFeatures),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdSetDeviceMask),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdDispatchBase),
 	MAKE_VULKAN_DEVICE_ENTRY(vkGetImageMemoryRequirements2),
 	MAKE_VULKAN_DEVICE_ENTRY(vkGetBufferMemoryRequirements2),
 	MAKE_VULKAN_DEVICE_ENTRY(vkGetImageSparseMemoryRequirements2),
 	MAKE_VULKAN_DEVICE_ENTRY(vkTrimCommandPool),
 	MAKE_VULKAN_DEVICE_ENTRY(vkGetDeviceQueue2),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCreateSamplerYcbcrConversion),
 	MAKE_VULKAN_DEVICE_ENTRY(vkDestroySamplerYcbcrConversion),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCreateDescriptorUpdateTemplate),
 	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyDescriptorUpdateTemplate),
 	MAKE_VULKAN_DEVICE_ENTRY(vkUpdateDescriptorSetWithTemplate),
 	MAKE_VULKAN_DEVICE_ENTRY(vkGetDescriptorSetLayoutSupport),
 	// VK_KHR_descriptor_update_template
 	MAKE_VULKAN_DEVICE_ENTRY(vkCreateDescriptorUpdateTemplateKHR),
 	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyDescriptorUpdateTemplateKHR),
 	MAKE_VULKAN_DEVICE_ENTRY(vkUpdateDescriptorSetWithTemplateKHR),
 	// VK_KHR_device_group
 	MAKE_VULKAN_DEVICE_ENTRY(vkGetDeviceGroupPeerMemoryFeaturesKHR),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdSetDeviceMaskKHR),
 	MAKE_VULKAN_DEVICE_ENTRY(vkCmdDispatchBaseKHR),
 	// VK_KHR_maintenance1
 	MAKE_VULKAN_DEVICE_ENTRY(vkTrimCommandPoolKHR),
 	// VK_KHR_sampler_ycbcr_conversion
 	MAKE_VULKAN_DEVICE_ENTRY(vkCreateSamplerYcbcrConversionKHR),
 	MAKE_VULKAN_DEVICE_ENTRY(vkDestroySamplerYcbcrConversionKHR),
 	// VK_KHR_bind_memory2
 	MAKE_VULKAN_DEVICE_ENTRY(vkBindBufferMemory2KHR),
 	MAKE_VULKAN_DEVICE_ENTRY(vkBindImageMemory2KHR),
 	// VK_KHR_get_memory_requirements2
 	MAKE_VULKAN_DEVICE_ENTRY(vkGetImageMemoryRequirements2KHR),
 	MAKE_VULKAN_DEVICE_ENTRY(vkGetBufferMemoryRequirements2KHR),
 	MAKE_VULKAN_DEVICE_ENTRY(vkGetImageSparseMemoryRequirements2KHR),
 	// VK_KHR_maintenance3
 	MAKE_VULKAN_DEVICE_ENTRY(vkGetDescriptorSetLayoutSupportKHR),
 #ifndef __ANDROID__
 	// VK_KHR_swapchain
 	MAKE_VULKAN_DEVICE_ENTRY(vkCreateSwapchainKHR),
 	MAKE_VULKAN_DEVICE_ENTRY(vkDestroySwapchainKHR),
 	MAKE_VULKAN_DEVICE_ENTRY(vkGetSwapchainImagesKHR),
 	MAKE_VULKAN_DEVICE_ENTRY(vkAcquireNextImageKHR),
 	MAKE_VULKAN_DEVICE_ENTRY(vkQueuePresentKHR),
 	MAKE_VULKAN_DEVICE_ENTRY(vkGetDeviceGroupPresentCapabilitiesKHR),
 	MAKE_VULKAN_DEVICE_ENTRY(vkGetDeviceGroupSurfacePresentModesKHR),
 #endif
 };
 #undef MAKE_VULKAN_DEVICE_ENTRY

 PFN_vkVoidFunction GetInstanceProcAddr(VkInstance instance, const char* pName)
 {
 	auto globalFunction = globalFunctionPointers.find(std::string(pName));
 	if(globalFunction != globalFunctionPointers.end())
 	{
 		return globalFunction->second;
 	}

 	if(instance != VK_NULL_HANDLE)
 	{
 		auto instanceFunction = instanceFunctionPointers.find(std::string(pName));
 		if(instanceFunction != instanceFunctionPointers.end())
 		{
 			return instanceFunction->second;
 		}

 		auto deviceFunction = deviceFunctionPointers.find(std::string(pName));
 		if(deviceFunction != deviceFunctionPointers.end())
 		{
 			return deviceFunction->second;
 		}
 	}

 	return nullptr;
 }

 PFN_vkVoidFunction GetDeviceProcAddr(VkDevice device, const char* pName)
 {
 	auto deviceFunction = deviceFunctionPointers.find(std::string(pName));
 	if(deviceFunction != deviceFunctionPointers.end())
 	{
 		return deviceFunction->second;
 	}

 	return nullptr;
 }

 }

 #ifdef __ANDROID__

 extern "C" hwvulkan_module_t HAL_MODULE_INFO_SYM;

 namespace {

 	int CloseDevice(struct hw_device_t *) { return 0; }

 	hwvulkan_device_t hal_device = {
 		.common = {
 			.tag = HARDWARE_DEVICE_TAG,
 			.version = HWVULKAN_DEVICE_API_VERSION_0_1,
 			.module = &HAL_MODULE_INFO_SYM.common,
 			.close = CloseDevice,
 		},
 		.EnumerateInstanceExtensionProperties = vkEnumerateInstanceExtensionProperties,
 		.CreateInstance = vkCreateInstance,
 		.GetInstanceProcAddr = vk::GetInstanceProcAddr,
 	};

 	int OpenDevice(const hw_module_t *module, const char *id, hw_device_t **device)
 	{
 		if (strcmp(id, HWVULKAN_DEVICE_0) != 0) return -ENOENT;
 		*device = &hal_device.common;
 		return 0;
 	}

 	hw_module_methods_t module_methods = { .open = OpenDevice };

 }

 extern "C" hwvulkan_module_t HAL_MODULE_INFO_SYM =
 {
 	.common =
 	{
 		.tag = HARDWARE_MODULE_TAG,
 		.module_api_version = HWVULKAN_MODULE_API_VERSION_0_1,
 		.hal_api_version = HARDWARE_HAL_API_VERSION,
 		.id = HWVULKAN_HARDWARE_MODULE_ID,
 		.name = "Swiftshader Pastel",
 		.author = "Google",
 		.methods = &module_methods,
 	}
 };

 #endif
	// Copyright 2018 The SwiftShader Authors. All Rights Reserved.
	//
	// 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.

	#include "VkGetProcAddress.h"

	#include <unordered_map>
	#include <string>

	#include <vulkan/vulkan.h>

	#ifdef __ANDROID__
	#include <cerrno>
	#include <hardware/hwvulkan.h>
	#endif

	namespace vk
	{

	#define MAKE_VULKAN_GLOBAL_ENTRY(aFunction) { #aFunction, reinterpret_cast<PFN_vkVoidFunction>(aFunction) }
	static const std::unordered_map<std::string, PFN_vkVoidFunction> globalFunctionPointers =
	{
	MAKE_VULKAN_GLOBAL_ENTRY(vkCreateInstance),
	MAKE_VULKAN_GLOBAL_ENTRY(vkEnumerateInstanceExtensionProperties),
	MAKE_VULKAN_GLOBAL_ENTRY(vkEnumerateInstanceLayerProperties),
	MAKE_VULKAN_GLOBAL_ENTRY(vkEnumerateInstanceVersion),
	};
	#undef MAKE_VULKAN_GLOBAL_ENTRY

	#define MAKE_VULKAN_INSTANCE_ENTRY(aFunction) { #aFunction, reinterpret_cast<PFN_vkVoidFunction>(aFunction) }
	static const std::unordered_map<std::string, PFN_vkVoidFunction> instanceFunctionPointers =
	{
	MAKE_VULKAN_INSTANCE_ENTRY(vkDestroyInstance),
	MAKE_VULKAN_INSTANCE_ENTRY(vkEnumeratePhysicalDevices),
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceFeatures),
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceFormatProperties),
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceImageFormatProperties),
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceProperties),
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceQueueFamilyProperties),
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceMemoryProperties),
	MAKE_VULKAN_INSTANCE_ENTRY(vkCreateDevice),
	MAKE_VULKAN_INSTANCE_ENTRY(vkEnumerateDeviceExtensionProperties),
	MAKE_VULKAN_INSTANCE_ENTRY(vkEnumerateDeviceLayerProperties),
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceSparseImageFormatProperties),
	MAKE_VULKAN_INSTANCE_ENTRY(vkEnumeratePhysicalDeviceGroups),
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceFeatures2),
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceProperties2),
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceFormatProperties2),
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceImageFormatProperties2),
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceQueueFamilyProperties2),
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceMemoryProperties2),
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceSparseImageFormatProperties2),
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceExternalBufferProperties),
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceExternalFenceProperties),
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceExternalSemaphoreProperties),
	// VK_KHR_device_group_creation
	MAKE_VULKAN_INSTANCE_ENTRY(vkEnumeratePhysicalDeviceGroupsKHR),
	// VK_KHR_external_fence_capabilities
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceExternalFencePropertiesKHR),
	// VK_KHR_external_memory_capabilities
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceExternalBufferPropertiesKHR),
	// VK_KHR_external_semaphore_capabilities
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceExternalSemaphorePropertiesKHR),
	// VK_KHR_get_physical_device_properties2
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceFeatures2KHR),
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceProperties2KHR),
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceFormatProperties2KHR),
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceImageFormatProperties2KHR),
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceQueueFamilyProperties2KHR),
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceMemoryProperties2KHR),
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceSparseImageFormatProperties2KHR),
	#ifndef __ANDROID__
	// VK_KHR_surface
	MAKE_VULKAN_INSTANCE_ENTRY(vkDestroySurfaceKHR),
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceSurfaceSupportKHR),
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceSurfaceCapabilitiesKHR),
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceSurfaceFormatsKHR),
	MAKE_VULKAN_INSTANCE_ENTRY(vkGetPhysicalDeviceSurfacePresentModesKHR),
	#endif
	#ifdef VK_USE_PLATFORM_XLIB_KHR
	// VK_KHR_xlib_surface
	MAKE_VULKAN_INSTANCE_ENTRY(vkCreateXlibSurfaceKHR),
	#endif
	};
	#undef MAKE_VULKAN_INSTANCE_ENTRY

	#define MAKE_VULKAN_DEVICE_ENTRY(aFunction) { #aFunction, reinterpret_cast<PFN_vkVoidFunction>(aFunction) }
	static const std::unordered_map<std::string, PFN_vkVoidFunction> deviceFunctionPointers =
	{
	MAKE_VULKAN_DEVICE_ENTRY(vkGetInstanceProcAddr),
	MAKE_VULKAN_DEVICE_ENTRY(vkGetDeviceProcAddr),
	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyDevice),
	MAKE_VULKAN_DEVICE_ENTRY(vkGetDeviceQueue),
	MAKE_VULKAN_DEVICE_ENTRY(vkQueueSubmit),
	MAKE_VULKAN_DEVICE_ENTRY(vkQueueWaitIdle),
	MAKE_VULKAN_DEVICE_ENTRY(vkDeviceWaitIdle),
	MAKE_VULKAN_DEVICE_ENTRY(vkAllocateMemory),
	MAKE_VULKAN_DEVICE_ENTRY(vkFreeMemory),
	MAKE_VULKAN_DEVICE_ENTRY(vkMapMemory),
	MAKE_VULKAN_DEVICE_ENTRY(vkUnmapMemory),
	MAKE_VULKAN_DEVICE_ENTRY(vkFlushMappedMemoryRanges),
	MAKE_VULKAN_DEVICE_ENTRY(vkInvalidateMappedMemoryRanges),
	MAKE_VULKAN_DEVICE_ENTRY(vkGetDeviceMemoryCommitment),
	MAKE_VULKAN_DEVICE_ENTRY(vkBindBufferMemory),
	MAKE_VULKAN_DEVICE_ENTRY(vkBindImageMemory),
	MAKE_VULKAN_DEVICE_ENTRY(vkGetBufferMemoryRequirements),
	MAKE_VULKAN_DEVICE_ENTRY(vkGetImageMemoryRequirements),
	MAKE_VULKAN_DEVICE_ENTRY(vkGetImageSparseMemoryRequirements),
	MAKE_VULKAN_DEVICE_ENTRY(vkQueueBindSparse),
	MAKE_VULKAN_DEVICE_ENTRY(vkCreateFence),
	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyFence),
	MAKE_VULKAN_DEVICE_ENTRY(vkResetFences),
	MAKE_VULKAN_DEVICE_ENTRY(vkGetFenceStatus),
	MAKE_VULKAN_DEVICE_ENTRY(vkWaitForFences),
	MAKE_VULKAN_DEVICE_ENTRY(vkCreateSemaphore),
	MAKE_VULKAN_DEVICE_ENTRY(vkDestroySemaphore),
	MAKE_VULKAN_DEVICE_ENTRY(vkCreateEvent),
	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyEvent),
	MAKE_VULKAN_DEVICE_ENTRY(vkGetEventStatus),
	MAKE_VULKAN_DEVICE_ENTRY(vkSetEvent),
	MAKE_VULKAN_DEVICE_ENTRY(vkResetEvent),
	MAKE_VULKAN_DEVICE_ENTRY(vkCreateQueryPool),
	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyQueryPool),
	MAKE_VULKAN_DEVICE_ENTRY(vkGetQueryPoolResults),
	MAKE_VULKAN_DEVICE_ENTRY(vkCreateBuffer),
	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyBuffer),
	MAKE_VULKAN_DEVICE_ENTRY(vkCreateBufferView),
	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyBufferView),
	MAKE_VULKAN_DEVICE_ENTRY(vkCreateImage),
	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyImage),
	MAKE_VULKAN_DEVICE_ENTRY(vkGetImageSubresourceLayout),
	MAKE_VULKAN_DEVICE_ENTRY(vkCreateImageView),
	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyImageView),
	MAKE_VULKAN_DEVICE_ENTRY(vkCreateShaderModule),
	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyShaderModule),
	MAKE_VULKAN_DEVICE_ENTRY(vkCreatePipelineCache),
	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyPipelineCache),
	MAKE_VULKAN_DEVICE_ENTRY(vkGetPipelineCacheData),
	MAKE_VULKAN_DEVICE_ENTRY(vkMergePipelineCaches),
	MAKE_VULKAN_DEVICE_ENTRY(vkCreateGraphicsPipelines),
	MAKE_VULKAN_DEVICE_ENTRY(vkCreateComputePipelines),
	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyPipeline),
	MAKE_VULKAN_DEVICE_ENTRY(vkCreatePipelineLayout),
	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyPipelineLayout),
	MAKE_VULKAN_DEVICE_ENTRY(vkCreateSampler),
	MAKE_VULKAN_DEVICE_ENTRY(vkDestroySampler),
	MAKE_VULKAN_DEVICE_ENTRY(vkCreateDescriptorSetLayout),
	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyDescriptorSetLayout),
	MAKE_VULKAN_DEVICE_ENTRY(vkCreateDescriptorPool),
	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyDescriptorPool),
	MAKE_VULKAN_DEVICE_ENTRY(vkResetDescriptorPool),
	MAKE_VULKAN_DEVICE_ENTRY(vkAllocateDescriptorSets),
	MAKE_VULKAN_DEVICE_ENTRY(vkFreeDescriptorSets),
	MAKE_VULKAN_DEVICE_ENTRY(vkUpdateDescriptorSets),
	MAKE_VULKAN_DEVICE_ENTRY(vkCreateFramebuffer),
	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyFramebuffer),
	MAKE_VULKAN_DEVICE_ENTRY(vkCreateRenderPass),
	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyRenderPass),
	MAKE_VULKAN_DEVICE_ENTRY(vkGetRenderAreaGranularity),
	MAKE_VULKAN_DEVICE_ENTRY(vkCreateCommandPool),
	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyCommandPool),
	MAKE_VULKAN_DEVICE_ENTRY(vkResetCommandPool),
	MAKE_VULKAN_DEVICE_ENTRY(vkAllocateCommandBuffers),
	MAKE_VULKAN_DEVICE_ENTRY(vkFreeCommandBuffers),
	MAKE_VULKAN_DEVICE_ENTRY(vkBeginCommandBuffer),
	MAKE_VULKAN_DEVICE_ENTRY(vkEndCommandBuffer),
	MAKE_VULKAN_DEVICE_ENTRY(vkResetCommandBuffer),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdBindPipeline),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdSetViewport),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdSetScissor),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdSetLineWidth),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdSetDepthBias),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdSetBlendConstants),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdSetDepthBounds),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdSetStencilCompareMask),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdSetStencilWriteMask),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdSetStencilReference),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdBindDescriptorSets),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdBindIndexBuffer),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdBindVertexBuffers),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdDraw),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdDrawIndexed),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdDrawIndirect),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdDrawIndexedIndirect),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdDispatch),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdDispatchIndirect),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdCopyBuffer),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdCopyImage),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdBlitImage),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdCopyBufferToImage),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdCopyImageToBuffer),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdUpdateBuffer),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdFillBuffer),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdClearColorImage),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdClearDepthStencilImage),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdClearAttachments),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdResolveImage),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdSetEvent),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdResetEvent),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdWaitEvents),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdPipelineBarrier),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdBeginQuery),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdEndQuery),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdResetQueryPool),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdWriteTimestamp),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdCopyQueryPoolResults),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdPushConstants),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdBeginRenderPass),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdNextSubpass),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdEndRenderPass),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdExecuteCommands),
	MAKE_VULKAN_DEVICE_ENTRY(vkBindBufferMemory2),
	MAKE_VULKAN_DEVICE_ENTRY(vkBindImageMemory2),
	MAKE_VULKAN_DEVICE_ENTRY(vkGetDeviceGroupPeerMemoryFeatures),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdSetDeviceMask),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdDispatchBase),
	MAKE_VULKAN_DEVICE_ENTRY(vkGetImageMemoryRequirements2),
	MAKE_VULKAN_DEVICE_ENTRY(vkGetBufferMemoryRequirements2),
	MAKE_VULKAN_DEVICE_ENTRY(vkGetImageSparseMemoryRequirements2),
	MAKE_VULKAN_DEVICE_ENTRY(vkTrimCommandPool),
	MAKE_VULKAN_DEVICE_ENTRY(vkGetDeviceQueue2),
	MAKE_VULKAN_DEVICE_ENTRY(vkCreateSamplerYcbcrConversion),
	MAKE_VULKAN_DEVICE_ENTRY(vkDestroySamplerYcbcrConversion),
	MAKE_VULKAN_DEVICE_ENTRY(vkCreateDescriptorUpdateTemplate),
	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyDescriptorUpdateTemplate),
	MAKE_VULKAN_DEVICE_ENTRY(vkUpdateDescriptorSetWithTemplate),
	MAKE_VULKAN_DEVICE_ENTRY(vkGetDescriptorSetLayoutSupport),
	// VK_KHR_descriptor_update_template
	MAKE_VULKAN_DEVICE_ENTRY(vkCreateDescriptorUpdateTemplateKHR),
	MAKE_VULKAN_DEVICE_ENTRY(vkDestroyDescriptorUpdateTemplateKHR),
	MAKE_VULKAN_DEVICE_ENTRY(vkUpdateDescriptorSetWithTemplateKHR),
	// VK_KHR_device_group
	MAKE_VULKAN_DEVICE_ENTRY(vkGetDeviceGroupPeerMemoryFeaturesKHR),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdSetDeviceMaskKHR),
	MAKE_VULKAN_DEVICE_ENTRY(vkCmdDispatchBaseKHR),
	// VK_KHR_maintenance1
	MAKE_VULKAN_DEVICE_ENTRY(vkTrimCommandPoolKHR),
	// VK_KHR_sampler_ycbcr_conversion
	MAKE_VULKAN_DEVICE_ENTRY(vkCreateSamplerYcbcrConversionKHR),
	MAKE_VULKAN_DEVICE_ENTRY(vkDestroySamplerYcbcrConversionKHR),
	// VK_KHR_bind_memory2
	MAKE_VULKAN_DEVICE_ENTRY(vkBindBufferMemory2KHR),
	MAKE_VULKAN_DEVICE_ENTRY(vkBindImageMemory2KHR),
	// VK_KHR_get_memory_requirements2
	MAKE_VULKAN_DEVICE_ENTRY(vkGetImageMemoryRequirements2KHR),
	MAKE_VULKAN_DEVICE_ENTRY(vkGetBufferMemoryRequirements2KHR),
	MAKE_VULKAN_DEVICE_ENTRY(vkGetImageSparseMemoryRequirements2KHR),
	// VK_KHR_maintenance3
	MAKE_VULKAN_DEVICE_ENTRY(vkGetDescriptorSetLayoutSupportKHR),
	#ifndef __ANDROID__
	// VK_KHR_swapchain
	MAKE_VULKAN_DEVICE_ENTRY(vkCreateSwapchainKHR),
	MAKE_VULKAN_DEVICE_ENTRY(vkDestroySwapchainKHR),
	MAKE_VULKAN_DEVICE_ENTRY(vkGetSwapchainImagesKHR),
	MAKE_VULKAN_DEVICE_ENTRY(vkAcquireNextImageKHR),
	MAKE_VULKAN_DEVICE_ENTRY(vkQueuePresentKHR),
	MAKE_VULKAN_DEVICE_ENTRY(vkGetDeviceGroupPresentCapabilitiesKHR),
	MAKE_VULKAN_DEVICE_ENTRY(vkGetDeviceGroupSurfacePresentModesKHR),
	#endif
	};
	#undef MAKE_VULKAN_DEVICE_ENTRY

	PFN_vkVoidFunction GetInstanceProcAddr(VkInstance instance, const char* pName)
	{
	auto globalFunction = globalFunctionPointers.find(std::string(pName));
	if(globalFunction != globalFunctionPointers.end())
	{
	return globalFunction->second;
	}

	if(instance != VK_NULL_HANDLE)
	{
	auto instanceFunction = instanceFunctionPointers.find(std::string(pName));
	if(instanceFunction != instanceFunctionPointers.end())
	{
	return instanceFunction->second;
	}

	auto deviceFunction = deviceFunctionPointers.find(std::string(pName));
	if(deviceFunction != deviceFunctionPointers.end())
	{
	return deviceFunction->second;
	}
	}

	return nullptr;
	}

	PFN_vkVoidFunction GetDeviceProcAddr(VkDevice device, const char* pName)
	{
	auto deviceFunction = deviceFunctionPointers.find(std::string(pName));
	if(deviceFunction != deviceFunctionPointers.end())
	{
	return deviceFunction->second;
	}

	return nullptr;
	}

	}

	#ifdef __ANDROID__

	extern "C" hwvulkan_module_t HAL_MODULE_INFO_SYM;

	namespace {

	int CloseDevice(struct hw_device_t *) { return 0; }

	hwvulkan_device_t hal_device = {
	.common = {
	.tag = HARDWARE_DEVICE_TAG,
	.version = HWVULKAN_DEVICE_API_VERSION_0_1,
	.module = &HAL_MODULE_INFO_SYM.common,
	.close = CloseDevice,
	},
	.EnumerateInstanceExtensionProperties = vkEnumerateInstanceExtensionProperties,
	.CreateInstance = vkCreateInstance,
	.GetInstanceProcAddr = vk::GetInstanceProcAddr,
	};

	int OpenDevice(const hw_module_t module, const char id, hw_device_t **device)
	{
	if (strcmp(id, HWVULKAN_DEVICE_0) != 0) return -ENOENT;
	*device = &hal_device.common;
	return 0;
	}

	hw_module_methods_t module_methods = { .open = OpenDevice };

	}

	extern "C" hwvulkan_module_t HAL_MODULE_INFO_SYM =
	{
	.common =
	{
	.tag = HARDWARE_MODULE_TAG,
	.module_api_version = HWVULKAN_MODULE_API_VERSION_0_1,
	.hal_api_version = HARDWARE_HAL_API_VERSION,
	.id = HWVULKAN_HARDWARE_MODULE_ID,
	.name = "Swiftshader Pastel",
	.author = "Google",
	.methods = &module_methods,
	}
	};

	#endif