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https://github.com/bailwillharr/engine.git
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Add vulkan device
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54587d3bbb
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@ -45,143 +45,13 @@ namespace engine::gfx {
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m_layerInfo = std::make_unique<LayerInfo>(true);
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#endif
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m_instance = std::make_shared<Instance>(appInfo, *m_layerInfo, getRequiredVulkanExtensions(window));
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volkLoadInstanceOnly(m_instance->getHandle());
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m_debugMessenger = std::make_unique<DebugMessenger>(m_instance);
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m_device = std::make_unique<Device>(m_instance);
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// enumerate physical devices
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uint32_t physDeviceCount = 0;
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VkResult res;
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res = vkEnumeratePhysicalDevices(m_instance->getHandle(), &physDeviceCount, nullptr);
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assert(res == VK_SUCCESS);
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if (physDeviceCount == 0) {
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throw std::runtime_error("No GPU found with vulkan support!");
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}
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std::vector<VkPhysicalDevice> physicalDevices(physDeviceCount);
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res = vkEnumeratePhysicalDevices(m_instance->getHandle(), &physDeviceCount, physicalDevices.data());
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assert(res == VK_SUCCESS);
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// find suitable device
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const std::vector<const char*> requiredDeviceExtensions{
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VK_KHR_SWAPCHAIN_EXTENSION_NAME,
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};
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VkPhysicalDevice physicalDevice = VK_NULL_HANDLE;
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for (const auto& dev : physicalDevices) {
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uint32_t extensionCount;
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res = vkEnumerateDeviceExtensionProperties(dev, nullptr, &extensionCount, nullptr);
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assert(res == VK_SUCCESS);
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std::vector<VkExtensionProperties> availableExtensions(extensionCount);
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res = vkEnumerateDeviceExtensionProperties(dev, nullptr, &extensionCount, availableExtensions.data());
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assert(res == VK_SUCCESS);
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bool suitable = true;
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for (const auto& extToFind : requiredDeviceExtensions) {
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bool extFound = false;
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for (const auto& ext : availableExtensions) {
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if (strcmp(extToFind, ext.extensionName) == 0) {
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extFound = true;
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}
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}
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if (!extFound) {
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suitable = false;
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}
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}
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if (suitable) {
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physicalDevice = dev;
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break;
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}
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}
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if (physicalDevice == VK_NULL_HANDLE) {
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throw std::runtime_error("No suitable Vulkan physical device found");
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}
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VkPhysicalDeviceProperties devProps;
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vkGetPhysicalDeviceProperties(physicalDevice, &devProps);
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TRACE("Physical device to use: {}", devProps.deviceName);
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// queue families
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uint32_t queueFamilyCount = 0;
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vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &queueFamilyCount, nullptr);
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std::vector<VkQueueFamilyProperties> queueFamilies(queueFamilyCount);
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vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &queueFamilyCount, queueFamilies.data());
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std::optional<uint32_t> graphicsFamilyIndex;
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std::optional<uint32_t> transferFamilyIndex;
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std::optional<uint32_t> computeFamilyIndex;
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for (uint32_t i = 0; i < queueFamilyCount; i++) {
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VkQueueFamilyProperties family = queueFamilies[i];
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if (family.queueCount > 0) {
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if (graphicsFamilyIndex.has_value() == false && family.queueFlags & VK_QUEUE_GRAPHICS_BIT) {
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TRACE("GRAPHICS:");
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graphicsFamilyIndex = i;
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}
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if (transferFamilyIndex.has_value() == false && family.queueFlags & VK_QUEUE_TRANSFER_BIT) {
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TRACE("TRANSFER:");
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transferFamilyIndex = i;
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}
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if (computeFamilyIndex.has_value() == false && family.queueFlags & VK_QUEUE_COMPUTE_BIT) {
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TRACE("COMPUTE:");
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computeFamilyIndex = i;
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}
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TRACE("\t\ti = {}\t\tcount = {}", i, family.queueCount);
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}
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}
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if (graphicsFamilyIndex.has_value() == false || transferFamilyIndex.has_value() == false) {
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throw std::runtime_error("Unable to find a queue with the GRAPHICS family flag");
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}
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std::vector<VkDeviceQueueCreateInfo> queueCreateInfos{};
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// use a set to filter out duplicate indices
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std::unordered_set<uint32_t> uniqueQueueFamilies{ graphicsFamilyIndex.value(), transferFamilyIndex.value(), computeFamilyIndex.value() };
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float queuePriority = 1.0f;
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for (uint32_t family : uniqueQueueFamilies) {
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// create a queue for each unique type to ensure that there are queues available for graphics, transfer, and compute
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TRACE("Creating queue from family {}", family);
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VkDeviceQueueCreateInfo queueCreateInfo{
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.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO,
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.pNext = nullptr,
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.flags = 0,
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.queueFamilyIndex = family,
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.queueCount = 1,
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.pQueuePriorities = &queuePriority,
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};
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queueCreateInfos.push_back(queueCreateInfo);
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}
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VkDeviceCreateInfo deviceCreateInfo{
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.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO,
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.pNext = nullptr,
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.flags = 0,
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.queueCreateInfoCount = (uint32_t)queueCreateInfos.size(),
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.pQueueCreateInfos = queueCreateInfos.data(),
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// IGNORED: .enabledLayerCount
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// IGNORED: .ppEnabledLayerNames
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.enabledExtensionCount = (uint32_t)requiredDeviceExtensions.size(),
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.ppEnabledExtensionNames = requiredDeviceExtensions.data(),
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.pEnabledFeatures = nullptr,
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};
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VkDevice device;
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res = vkCreateDevice(physicalDevice, &deviceCreateInfo, nullptr, &device);
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if (res != VK_SUCCESS) {
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throw std::runtime_error("Unable to create Vulkan logical device, error code: " + std::to_string(res));
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}
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volkLoadDevice(device);
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vkDestroyDevice(device, nullptr);
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volkLoadDevice(m_device->getHandle());
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}
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@ -286,8 +156,6 @@ namespace engine::gfx {
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}
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assert(res == VK_SUCCESS);
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volkLoadInstanceOnly(m_handle);
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}
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Instance(const Instance&) = delete;
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@ -314,7 +182,7 @@ namespace engine::gfx {
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{
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VkDebugUtilsMessengerCreateInfoEXT createInfo = getCreateInfo();
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VkResult res = vkCreateDebugUtilsMessengerEXT(instance->getHandle(), &createInfo, nullptr, &m_messengerHandle);
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VkResult res = vkCreateDebugUtilsMessengerEXT(m_instance->getHandle(), &createInfo, nullptr, &m_messengerHandle);
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assert(res == VK_SUCCESS);
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}
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@ -361,8 +229,8 @@ namespace engine::gfx {
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}
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private:
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VkDebugUtilsMessengerEXT m_messengerHandle;
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std::shared_ptr<Instance> m_instance;
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VkDebugUtilsMessengerEXT m_messengerHandle;
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enum class Severity {
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VERBOSE,
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@ -409,9 +277,164 @@ namespace engine::gfx {
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};
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class Device {
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public:
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Device(std::shared_ptr<Instance> instance) : m_instance(instance)
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{
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// enumerate physical devices
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uint32_t physDeviceCount = 0;
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VkResult res;
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res = vkEnumeratePhysicalDevices(m_instance->getHandle(), &physDeviceCount, nullptr);
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assert(res == VK_SUCCESS);
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if (physDeviceCount == 0) {
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throw std::runtime_error("No GPU found with vulkan support!");
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}
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std::vector<VkPhysicalDevice> physicalDevices(physDeviceCount);
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res = vkEnumeratePhysicalDevices(m_instance->getHandle(), &physDeviceCount, physicalDevices.data());
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assert(res == VK_SUCCESS);
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// find suitable device
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const std::vector<const char*> requiredDeviceExtensions{
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VK_KHR_SWAPCHAIN_EXTENSION_NAME,
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};
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VkPhysicalDevice physicalDevice = VK_NULL_HANDLE;
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for (const auto& dev : physicalDevices) {
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uint32_t extensionCount;
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res = vkEnumerateDeviceExtensionProperties(dev, nullptr, &extensionCount, nullptr);
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assert(res == VK_SUCCESS);
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std::vector<VkExtensionProperties> availableExtensions(extensionCount);
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res = vkEnumerateDeviceExtensionProperties(dev, nullptr, &extensionCount, availableExtensions.data());
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assert(res == VK_SUCCESS);
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bool suitable = true;
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for (const auto& extToFind : requiredDeviceExtensions) {
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bool extFound = false;
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for (const auto& ext : availableExtensions) {
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if (strcmp(extToFind, ext.extensionName) == 0) {
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extFound = true;
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}
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}
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if (!extFound) {
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suitable = false;
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}
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}
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if (suitable) {
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physicalDevice = dev;
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break;
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}
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}
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if (physicalDevice == VK_NULL_HANDLE) {
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throw std::runtime_error("No suitable Vulkan physical device found");
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}
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VkPhysicalDeviceProperties devProps;
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vkGetPhysicalDeviceProperties(physicalDevice, &devProps);
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TRACE("Selected physical device: {}", devProps.deviceName);
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// queue families
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uint32_t queueFamilyCount = 0;
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vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &queueFamilyCount, nullptr);
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std::vector<VkQueueFamilyProperties> queueFamilies(queueFamilyCount);
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vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &queueFamilyCount, queueFamilies.data());
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std::optional<uint32_t> graphicsFamilyIndex;
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std::optional<uint32_t> transferFamilyIndex;
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std::optional<uint32_t> computeFamilyIndex;
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for (uint32_t i = 0; i < queueFamilyCount; i++) {
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VkQueueFamilyProperties family = queueFamilies[i];
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if (family.queueCount > 0) {
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if (graphicsFamilyIndex.has_value() == false && family.queueFlags & VK_QUEUE_GRAPHICS_BIT) {
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TRACE("GRAPHICS:");
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graphicsFamilyIndex = i;
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}
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if (transferFamilyIndex.has_value() == false && family.queueFlags & VK_QUEUE_TRANSFER_BIT) {
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TRACE("TRANSFER:");
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transferFamilyIndex = i;
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}
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if (computeFamilyIndex.has_value() == false && family.queueFlags & VK_QUEUE_COMPUTE_BIT) {
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TRACE("COMPUTE:");
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computeFamilyIndex = i;
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}
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TRACE("\t\ti = {}\t\tcount = {}", i, family.queueCount);
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}
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}
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if (graphicsFamilyIndex.has_value() == false || transferFamilyIndex.has_value() == false) {
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throw std::runtime_error("Unable to find a queue with the GRAPHICS family flag");
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}
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std::vector<VkDeviceQueueCreateInfo> queueCreateInfos{};
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// use a set to filter out duplicate indices
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std::unordered_set<uint32_t> uniqueQueueFamilies{ graphicsFamilyIndex.value(), transferFamilyIndex.value(), computeFamilyIndex.value() };
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float queuePriority = 1.0f;
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for (uint32_t family : uniqueQueueFamilies) {
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// create a queue for each unique type to ensure that there are queues available for graphics, transfer, and compute
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TRACE("Creating queue from family {}", family);
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VkDeviceQueueCreateInfo queueCreateInfo{
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.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO,
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.pNext = nullptr,
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.flags = 0,
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.queueFamilyIndex = family,
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.queueCount = 1,
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.pQueuePriorities = &queuePriority,
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};
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queueCreateInfos.push_back(queueCreateInfo);
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}
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VkDeviceCreateInfo deviceCreateInfo{
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.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO,
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.pNext = nullptr,
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.flags = 0,
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.queueCreateInfoCount = (uint32_t)queueCreateInfos.size(),
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.pQueueCreateInfos = queueCreateInfos.data(),
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// IGNORED: .enabledLayerCount
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// IGNORED: .ppEnabledLayerNames
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.enabledExtensionCount = (uint32_t)requiredDeviceExtensions.size(),
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.ppEnabledExtensionNames = requiredDeviceExtensions.data(),
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.pEnabledFeatures = nullptr,
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};
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res = vkCreateDevice(physicalDevice, &deviceCreateInfo, nullptr, &m_handle);
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if (res != VK_SUCCESS) {
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throw std::runtime_error("Unable to create Vulkan logical device, error code: " + std::to_string(res));
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}
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}
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Device(const Device&) = delete;
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Device& operator=(const Device&) = delete;
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~Device()
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{
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vkDestroyDevice(m_handle, nullptr);
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}
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VkDevice getHandle()
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{
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return m_handle;
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}
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private:
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std::shared_ptr<Instance> m_instance;
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VkDevice m_handle;
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};
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std::unique_ptr<LayerInfo> m_layerInfo;
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std::shared_ptr<Instance> m_instance;
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std::unique_ptr<DebugMessenger> m_debugMessenger;
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std::unique_ptr<DebugMessenger> m_debugMessenger; // uses instance
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std::unique_ptr<Device> m_device; // uses instance
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/*
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