pub type PFN_vkGetDescriptorSetLayoutSupport = unsafe extern "system" fn(_device: Device, _create_info: *const DescriptorSetLayoutCreateInfo, _support: *mut DescriptorSetLayoutSupport);pub type PFN_vkGetDescriptorSetLayoutSupport = unsafe extern "system" fn(_device: Device, _create_info: *const DescriptorSetLayoutCreateInfo, _support: *mut DescriptorSetLayoutSupport);