2023-06-05 22:37:31 +08:00
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/*
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* Vulkan device class
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*
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* Encapsulates a physical Vulkan device and it's logical representation
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*
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* Copyright (C) 2016-2018 by Sascha Willems - www.saschawillems.de
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*
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* This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
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*/
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#pragma once
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2023-06-07 00:45:10 +08:00
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#include <cstdio>
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2023-06-05 22:37:31 +08:00
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#include <exception>
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#include <assert.h>
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#include <algorithm>
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#include <cstring>
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#include <vector>
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#include "vulkan/vulkan.h"
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#if defined(VK_USE_PLATFORM_MACOS_MVK) && (VK_HEADER_VERSION >= 216)
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#include <vulkan/vulkan_beta.h>
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#endif
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#if defined(VK_USE_PLATFORM_ANDROID_KHR)
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#include "VulkanAndroid.h"
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#endif
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2023-06-07 00:45:10 +08:00
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#include "VulkanTools.h"
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2023-06-05 22:37:31 +08:00
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namespace vks
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{
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struct VulkanDevice
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{
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VkPhysicalDevice physicalDevice;
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VkDevice logicalDevice;
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VkPhysicalDeviceProperties properties;
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VkPhysicalDeviceFeatures features;
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VkPhysicalDeviceFeatures enabledFeatures;
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VkPhysicalDeviceMemoryProperties memoryProperties;
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std::vector<VkQueueFamilyProperties> queueFamilyProperties;
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VkCommandPool commandPool = VK_NULL_HANDLE;
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struct {
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uint32_t graphics;
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uint32_t compute;
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} queueFamilyIndices;
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operator VkDevice() { return logicalDevice; };
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/**
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* Default constructor
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*
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* @param physicalDevice Physical device that is to be used
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*/
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VulkanDevice(VkPhysicalDevice physicalDevice)
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{
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assert(physicalDevice);
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this->physicalDevice = physicalDevice;
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// Store Properties features, limits and properties of the physical device for later use
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// Device properties also contain limits and sparse properties
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vkGetPhysicalDeviceProperties(physicalDevice, &properties);
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// Features should be checked by the examples before using them
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vkGetPhysicalDeviceFeatures(physicalDevice, &features);
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// Memory properties are used regularly for creating all kinds of buffers
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vkGetPhysicalDeviceMemoryProperties(physicalDevice, &memoryProperties);
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// Queue family properties, used for setting up requested queues upon device creation
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uint32_t queueFamilyCount;
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vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &queueFamilyCount, nullptr);
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assert(queueFamilyCount > 0);
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queueFamilyProperties.resize(queueFamilyCount);
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vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &queueFamilyCount, queueFamilyProperties.data());
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}
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/**
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* Default destructor
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*
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* @note Frees the logical device
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*/
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~VulkanDevice()
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{
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if (commandPool) {
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vkDestroyCommandPool(logicalDevice, commandPool, nullptr);
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}
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if (logicalDevice) {
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vkDestroyDevice(logicalDevice, nullptr);
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}
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}
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/**
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* Get the index of a memory type that has all the requested property bits set
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*
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* @param typeBits Bitmask with bits set for each memory type supported by the resource to request for (from VkMemoryRequirements)
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* @param properties Bitmask of properties for the memory type to request
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* @param (Optional) memTypeFound Pointer to a bool that is set to true if a matching memory type has been found
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*
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* @return Index of the requested memory type
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*
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* @throw Throws an exception if memTypeFound is null and no memory type could be found that supports the requested properties
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*/
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uint32_t getMemoryType(uint32_t typeBits, VkMemoryPropertyFlags properties, VkBool32 *memTypeFound = nullptr)
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{
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for (uint32_t i = 0; i < memoryProperties.memoryTypeCount; i++) {
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if ((typeBits & 1) == 1) {
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if ((memoryProperties.memoryTypes[i].propertyFlags & properties) == properties) {
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if (memTypeFound) {
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*memTypeFound = true;
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}
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return i;
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}
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}
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typeBits >>= 1;
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}
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if (memTypeFound) {
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*memTypeFound = false;
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return 0;
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} else {
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throw std::runtime_error("Could not find a matching memory type");
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}
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}
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/**
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* Get the index of a queue family that supports the requested queue flags
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*
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* @param queueFlags Queue flags to find a queue family index for
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*
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* @return Index of the queue family index that matches the flags
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*
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* @throw Throws an exception if no queue family index could be found that supports the requested flags
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*/
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uint32_t getQueueFamilyIndex(VkQueueFlagBits queueFlags)
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{
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// Dedicated queue for compute
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// Try to find a queue family index that supports compute but not graphics
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if (queueFlags & VK_QUEUE_COMPUTE_BIT)
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{
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for (uint32_t i = 0; i < static_cast<uint32_t>(queueFamilyProperties.size()); i++) {
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if ((queueFamilyProperties[i].queueFlags & queueFlags) && ((queueFamilyProperties[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) == 0)) {
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return i;
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break;
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}
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}
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}
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// For other queue types or if no separate compute queue is present, return the first one to support the requested flags
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for (uint32_t i = 0; i < static_cast<uint32_t>(queueFamilyProperties.size()); i++) {
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if (queueFamilyProperties[i].queueFlags & queueFlags) {
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return i;
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break;
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}
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}
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throw std::runtime_error("Could not find a matching queue family index");
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}
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/**
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* Create the logical device based on the assigned physical device, also gets default queue family indices
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*
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* @param enabledFeatures Can be used to enable certain features upon device creation
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* @param requestedQueueTypes Bit flags specifying the queue types to be requested from the device
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*
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* @return VkResult of the device creation call
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*/
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VkResult createLogicalDevice(VkPhysicalDeviceFeatures enabledFeatures, std::vector<const char*> enabledExtensions, VkQueueFlags requestedQueueTypes = VK_QUEUE_GRAPHICS_BIT | VK_QUEUE_COMPUTE_BIT)
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{
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// Desired queues need to be requested upon logical device creation
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// Due to differing queue family configurations of Vulkan implementations this can be a bit tricky, especially if the application
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// requests different queue types
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std::vector<VkDeviceQueueCreateInfo> queueCreateInfos{};
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// Get queue family indices for the requested queue family types
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// Note that the indices may overlap depending on the implementation
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const float defaultQueuePriority(0.0f);
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// Graphics queue
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if (requestedQueueTypes & VK_QUEUE_GRAPHICS_BIT) {
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queueFamilyIndices.graphics = getQueueFamilyIndex(VK_QUEUE_GRAPHICS_BIT);
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VkDeviceQueueCreateInfo queueInfo{};
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queueInfo.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
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queueInfo.queueFamilyIndex = queueFamilyIndices.graphics;
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queueInfo.queueCount = 1;
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queueInfo.pQueuePriorities = &defaultQueuePriority;
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queueCreateInfos.push_back(queueInfo);
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} else {
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queueFamilyIndices.graphics = 0;
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}
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// Dedicated compute queue
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if (requestedQueueTypes & VK_QUEUE_COMPUTE_BIT) {
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queueFamilyIndices.compute = getQueueFamilyIndex(VK_QUEUE_COMPUTE_BIT);
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if (queueFamilyIndices.compute != queueFamilyIndices.graphics) {
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// If compute family index differs, we need an additional queue create info for the compute queue
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VkDeviceQueueCreateInfo queueInfo{};
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queueInfo.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
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queueInfo.queueFamilyIndex = queueFamilyIndices.compute;
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queueInfo.queueCount = 1;
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queueInfo.pQueuePriorities = &defaultQueuePriority;
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queueCreateInfos.push_back(queueInfo);
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}
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} else {
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// Else we use the same queue
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queueFamilyIndices.compute = queueFamilyIndices.graphics;
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}
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// Create the logical device representation
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std::vector<const char*> deviceExtensions(enabledExtensions);
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deviceExtensions.push_back(VK_KHR_SWAPCHAIN_EXTENSION_NAME);
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#if defined(VK_USE_PLATFORM_MACOS_MVK) && (VK_HEADER_VERSION >= 216)
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deviceExtensions.push_back(VK_KHR_PORTABILITY_SUBSET_EXTENSION_NAME);
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#endif
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VkDeviceCreateInfo deviceCreateInfo = {};
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deviceCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
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deviceCreateInfo.queueCreateInfoCount = static_cast<uint32_t>(queueCreateInfos.size());;
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deviceCreateInfo.pQueueCreateInfos = queueCreateInfos.data();
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deviceCreateInfo.pEnabledFeatures = &enabledFeatures;
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if (deviceExtensions.size() > 0) {
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deviceCreateInfo.enabledExtensionCount = (uint32_t)deviceExtensions.size();
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deviceCreateInfo.ppEnabledExtensionNames = deviceExtensions.data();
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}
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VkResult result = vkCreateDevice(physicalDevice, &deviceCreateInfo, nullptr, &logicalDevice);
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2024-04-16 16:15:39 +08:00
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/*
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2023-06-05 22:37:31 +08:00
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if (result == VK_SUCCESS) {
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commandPool = createCommandPool(queueFamilyIndices.graphics);
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}
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2024-04-16 16:15:39 +08:00
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*/
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2023-06-05 22:37:31 +08:00
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this->enabledFeatures = enabledFeatures;
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return result;
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}
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2024-04-16 16:15:39 +08:00
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2023-06-05 22:37:31 +08:00
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/**
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* Create a buffer on the device
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*
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* @param usageFlags Usage flag bitmask for the buffer (i.e. index, vertex, uniform buffer)
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* @param memoryPropertyFlags Memory properties for this buffer (i.e. device local, host visible, coherent)
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* @param size Size of the buffer in byes
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* @param buffer Pointer to the buffer handle acquired by the function
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* @param memory Pointer to the memory handle acquired by the function
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* @param data Pointer to the data that should be copied to the buffer after creation (optional, if not set, no data is copied over)
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*
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* @return VK_SUCCESS if buffer handle and memory have been created and (optionally passed) data has been copied
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*/
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VkResult createBuffer(VkBufferUsageFlags usageFlags, VkMemoryPropertyFlags memoryPropertyFlags, VkDeviceSize size, VkBuffer *buffer, VkDeviceMemory *memory, void *data = nullptr)
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{
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// Create the buffer handle
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VkBufferCreateInfo bufferCreateInfo{};
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bufferCreateInfo.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
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bufferCreateInfo.usage = usageFlags;
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bufferCreateInfo.size = size;
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bufferCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
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VK_CHECK_RESULT(vkCreateBuffer(logicalDevice, &bufferCreateInfo, nullptr, buffer));
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// Create the memory backing up the buffer handle
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VkMemoryRequirements memReqs;
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VkMemoryAllocateInfo memAlloc{};
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memAlloc.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
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vkGetBufferMemoryRequirements(logicalDevice, *buffer, &memReqs);
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memAlloc.allocationSize = memReqs.size;
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// Find a memory type index that fits the properties of the buffer
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memAlloc.memoryTypeIndex = getMemoryType(memReqs.memoryTypeBits, memoryPropertyFlags);
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VK_CHECK_RESULT(vkAllocateMemory(logicalDevice, &memAlloc, nullptr, memory));
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// If a pointer to the buffer data has been passed, map the buffer and copy over the data
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if (data != nullptr)
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{
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void *mapped;
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VK_CHECK_RESULT(vkMapMemory(logicalDevice, *memory, 0, size, 0, &mapped));
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memcpy(mapped, data, size);
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// If host coherency hasn't been requested, do a manual flush to make writes visible
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if ((memoryPropertyFlags & VK_MEMORY_PROPERTY_HOST_COHERENT_BIT) == 0)
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{
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VkMappedMemoryRange mappedRange{};
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mappedRange.sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE;
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mappedRange.memory = *memory;
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mappedRange.offset = 0;
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mappedRange.size = size;
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vkFlushMappedMemoryRanges(logicalDevice, 1, &mappedRange);
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}
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vkUnmapMemory(logicalDevice, *memory);
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}
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// Attach the memory to the buffer object
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VK_CHECK_RESULT(vkBindBufferMemory(logicalDevice, *buffer, *memory, 0));
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return VK_SUCCESS;
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}
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/**
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* Create a command pool for allocation command buffers from
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*
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* @param queueFamilyIndex Family index of the queue to create the command pool for
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* @param createFlags (Optional) Command pool creation flags (Defaults to VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT)
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*
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* @note Command buffers allocated from the created pool can only be submitted to a queue with the same family index
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*
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* @return A handle to the created command buffer
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*/
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VkCommandPool createCommandPool(uint32_t queueFamilyIndex, VkCommandPoolCreateFlags createFlags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT)
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{
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VkCommandPoolCreateInfo cmdPoolInfo = {};
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cmdPoolInfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
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cmdPoolInfo.queueFamilyIndex = queueFamilyIndex;
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cmdPoolInfo.flags = createFlags;
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VkCommandPool cmdPool;
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VK_CHECK_RESULT(vkCreateCommandPool(logicalDevice, &cmdPoolInfo, nullptr, &cmdPool));
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return cmdPool;
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}
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2024-04-16 16:15:39 +08:00
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void setCommandPool(VkCommandPool commandPool)
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{
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this->commandPool = commandPool;
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}
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2023-06-05 22:37:31 +08:00
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/**
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* Allocate a command buffer from the command pool
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*
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* @param level Level of the new command buffer (primary or secondary)
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* @param (Optional) begin If true, recording on the new command buffer will be started (vkBeginCommandBuffer) (Defaults to false)
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*
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* @return A handle to the allocated command buffer
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*/
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VkCommandBuffer createCommandBuffer(VkCommandBufferLevel level, bool begin = false)
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{
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VkCommandBufferAllocateInfo cmdBufAllocateInfo{};
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cmdBufAllocateInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
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cmdBufAllocateInfo.commandPool = commandPool;
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cmdBufAllocateInfo.level = level;
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cmdBufAllocateInfo.commandBufferCount = 1;
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VkCommandBuffer cmdBuffer;
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VK_CHECK_RESULT(vkAllocateCommandBuffers(logicalDevice, &cmdBufAllocateInfo, &cmdBuffer));
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// If requested, also start recording for the new command buffer
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if (begin) {
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VkCommandBufferBeginInfo commandBufferBI{};
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commandBufferBI.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
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VK_CHECK_RESULT(vkBeginCommandBuffer(cmdBuffer, &commandBufferBI));
|
|
|
|
}
|
|
|
|
|
|
|
|
return cmdBuffer;
|
|
|
|
}
|
|
|
|
|
|
|
|
void beginCommandBuffer(VkCommandBuffer commandBuffer)
|
|
|
|
{
|
|
|
|
VkCommandBufferBeginInfo commandBufferBI{};
|
|
|
|
commandBufferBI.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
|
|
|
|
VK_CHECK_RESULT(vkBeginCommandBuffer(commandBuffer, &commandBufferBI));
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Finish command buffer recording and submit it to a queue
|
|
|
|
*
|
|
|
|
* @param commandBuffer Command buffer to flush
|
|
|
|
* @param queue Queue to submit the command buffer to
|
|
|
|
* @param free (Optional) Free the command buffer once it has been submitted (Defaults to true)
|
|
|
|
*
|
|
|
|
* @note The queue that the command buffer is submitted to must be from the same family index as the pool it was allocated from
|
|
|
|
* @note Uses a fence to ensure command buffer has finished executing
|
|
|
|
*/
|
|
|
|
void flushCommandBuffer(VkCommandBuffer commandBuffer, VkQueue queue, bool free = true)
|
|
|
|
{
|
|
|
|
VK_CHECK_RESULT(vkEndCommandBuffer(commandBuffer));
|
|
|
|
|
|
|
|
VkSubmitInfo submitInfo{};
|
|
|
|
submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
|
|
|
|
submitInfo.commandBufferCount = 1;
|
|
|
|
submitInfo.pCommandBuffers = &commandBuffer;
|
|
|
|
|
|
|
|
// Create fence to ensure that the command buffer has finished executing
|
|
|
|
VkFenceCreateInfo fenceInfo{};
|
|
|
|
fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
|
|
|
|
VkFence fence;
|
|
|
|
VK_CHECK_RESULT(vkCreateFence(logicalDevice, &fenceInfo, nullptr, &fence));
|
|
|
|
|
|
|
|
// Submit to the queue
|
|
|
|
VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, fence));
|
|
|
|
// Wait for the fence to signal that command buffer has finished executing
|
|
|
|
VK_CHECK_RESULT(vkWaitForFences(logicalDevice, 1, &fence, VK_TRUE, 100000000000));
|
|
|
|
|
|
|
|
vkDestroyFence(logicalDevice, fence, nullptr);
|
|
|
|
|
|
|
|
if (free) {
|
|
|
|
vkFreeCommandBuffers(logicalDevice, commandPool, 1, &commandBuffer);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
};
|
|
|
|
}
|