Method createLogicalDevice

src/Renderer/vkRenderer.cpp:253–295

}

void vkRenderer::createLogicalDevice() {
    QueueFamilyIndices indices = findQueueFamilies(physicalDevice);

    std::vector<VkDeviceQueueCreateInfo> queueCreateInfos;
    std::set<int> uniqueQueueFamilies = {indices.graphicsFamily, indices.presentFamily};

    float queuePriority = 1.0f;
    for (int queueFamily : uniqueQueueFamilies) {
        VkDeviceQueueCreateInfo queueCreateInfo = {};
        queueCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
        queueCreateInfo.queueFamilyIndex = queueFamily;
        queueCreateInfo.queueCount = 1;
        queueCreateInfo.pQueuePriorities = &queuePriority;
        queueCreateInfos.push_back(queueCreateInfo);
    }

    VkPhysicalDeviceFeatures deviceFeatures = {};

    VkDeviceCreateInfo createInfo = {};
    createInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;

    createInfo.queueCreateInfoCount = static_cast<uint32_t>(queueCreateInfos.size());
    createInfo.pQueueCreateInfos = queueCreateInfos.data();

    createInfo.pEnabledFeatures = &deviceFeatures;

    createInfo.enabledExtensionCount = static_cast<uint32_t>(deviceExtensions.size());
    createInfo.ppEnabledExtensionNames = deviceExtensions.data();

    if (enableValidationLayers) {
        createInfo.enabledLayerCount = static_cast<uint32_t>(validationLayers.size());
        createInfo.ppEnabledLayerNames = validationLayers.data();
    } else {
        createInfo.enabledLayerCount = 0;
    }

    if (vkCreateDevice(physicalDevice, &createInfo, nullptr, &device) != VK_SUCCESS) {
        throw std::runtime_error("failed to create logical device!");
    }

    vkGetDeviceQueue(device, indices.graphicsFamily, 0, &graphicsQueue);
    vkGetDeviceQueue(device, indices.presentFamily, 0, &presentQueue);
}

void vkRenderer::createSwapChain() {
    SwapChainSupportDetails swapChainSupport = querySwapChainSupport(physicalDevice);