VkInstanceCreateInfo createInfo = {};
    createInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
    createInfo.flags = 0;
    createInfo.pApplicationInfo = &applicationInfo;

    // Give our desired layers and extensions to vulkan.
    createInfo.enabledLayerCount = static_cast<uint32_t>(mEnabledLayers.size());
    createInfo.ppEnabledLayerNames = mEnabledLayers.data();
    createInfo.enabledExtensionCount = static_cast<uint32_t>(mEnabledExtensions.size());
    createInfo.ppEnabledExtensionNames = mEnabledExtensions.data();