pub type PFN_vkGetPhysicalDeviceFragmentShadingRatesKHR = unsafe extern "system" fn(_physical_device: PhysicalDevice, _fragment_shading_rate_count: *mut u32, _fragment_shading_rates: *mut PhysicalDeviceFragmentShadingRateKHR) -> Result;pub type PFN_vkGetPhysicalDeviceFragmentShadingRatesKHR = unsafe extern "system" fn(_physical_device: PhysicalDevice, _fragment_shading_rate_count: *mut u32, _fragment_shading_rates: *mut PhysicalDeviceFragmentShadingRateKHR) -> Result;