pub type PFN_vkWriteSamplerDescriptorsEXT = unsafe extern "system" fn(_device: Device, _sampler_count: u32, _samplers: *const SamplerCreateInfo, _descriptors: *const HostAddressRangeEXT) -> Result;pub type PFN_vkWriteSamplerDescriptorsEXT = unsafe extern "system" fn(_device: Device, _sampler_count: u32, _samplers: *const SamplerCreateInfo, _descriptors: *const HostAddressRangeEXT) -> Result;