Function get_physical_device_image_format_properties 

pub unsafe fn get_physical_device_image_format_properties(
    physical_device: VkPhysicalDevice,
    format: VkFormat,
    image_type: VkImageType,
    tiling: VkImageTiling,
    usage: VkImageUsageFlags,
    flags: VkImageCreateFlags,
    image_format_properties_out: *mut VkImageFormatProperties,
) -> VkResult

Safety

direct calling ffi functions.