pub unsafe extern "system" fn vkGetPhysicalDeviceOpticalFlowImageFormatsNV(
physicalDevice: VkPhysicalDevice,
pOpticalFlowImageFormatInfo: *const VkOpticalFlowImageFormatInfoNV,
pFormatCount: *mut u32,
pImageFormatProperties: *mut VkOpticalFlowImageFormatPropertiesNV,
) -> VkResult