1 use crate::vk;
2 use crate::{Device, Instance};
3 use std::ffi::CStr;
4 use std::mem;
5 
6 #[derive(Clone)]
7 pub struct Maintenance3 {
8     handle: vk::Device,
9     fp: vk::KhrMaintenance3Fn,
10 }
11 
12 impl Maintenance3 {
new(instance: &Instance, device: &Device) -> Self13     pub fn new(instance: &Instance, device: &Device) -> Self {
14         let handle = device.handle();
15         let fp = vk::KhrMaintenance3Fn::load(|name| unsafe {
16             mem::transmute(instance.get_device_proc_addr(handle, name.as_ptr()))
17         });
18         Self { handle, fp }
19     }
20 
21     /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkGetDescriptorSetLayoutSupportKHR.html>
22     #[inline]
get_descriptor_set_layout_support( &self, create_info: &vk::DescriptorSetLayoutCreateInfo, out: &mut vk::DescriptorSetLayoutSupportKHR, )23     pub unsafe fn get_descriptor_set_layout_support(
24         &self,
25         create_info: &vk::DescriptorSetLayoutCreateInfo,
26         out: &mut vk::DescriptorSetLayoutSupportKHR,
27     ) {
28         (self.fp.get_descriptor_set_layout_support_khr)(self.handle, create_info, out);
29     }
30 
31     #[inline]
name() -> &'static CStr32     pub const fn name() -> &'static CStr {
33         vk::KhrMaintenance3Fn::name()
34     }
35 
36     #[inline]
fp(&self) -> &vk::KhrMaintenance3Fn37     pub fn fp(&self) -> &vk::KhrMaintenance3Fn {
38         &self.fp
39     }
40 
41     #[inline]
device(&self) -> vk::Device42     pub fn device(&self) -> vk::Device {
43         self.handle
44     }
45 }
46