pub type PFN_vkGetPhysicalDeviceDisplayPropertiesKHR = unsafe extern "system" fn(_physical_device: PhysicalDevice, _property_count: *mut u32, _properties: *mut DisplayPropertiesKHR) -> Result;pub type PFN_vkGetPhysicalDeviceDisplayPropertiesKHR = unsafe extern "system" fn(_physical_device: PhysicalDevice, _property_count: *mut u32, _properties: *mut DisplayPropertiesKHR) -> Result;