1 use crate::prelude::*;
2 use crate::vk;
3 use crate::RawPtr;
4 use crate::{Entry, Instance};
5 use std::ffi::CStr;
6 use std::mem;
7 
8 #[derive(Clone)]
9 pub struct MetalSurface {
10     handle: vk::Instance,
11     fp: vk::ExtMetalSurfaceFn,
12 }
13 
14 impl MetalSurface {
new(entry: &Entry, instance: &Instance) -> Self15     pub fn new(entry: &Entry, instance: &Instance) -> Self {
16         let handle = instance.handle();
17         let fp = vk::ExtMetalSurfaceFn::load(|name| unsafe {
18             mem::transmute(entry.get_instance_proc_addr(handle, name.as_ptr()))
19         });
20         Self { handle, fp }
21     }
22 
23     /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkCreateMetalSurfaceEXT.html>
24     #[inline]
create_metal_surface( &self, create_info: &vk::MetalSurfaceCreateInfoEXT, allocation_callbacks: Option<&vk::AllocationCallbacks>, ) -> VkResult<vk::SurfaceKHR>25     pub unsafe fn create_metal_surface(
26         &self,
27         create_info: &vk::MetalSurfaceCreateInfoEXT,
28         allocation_callbacks: Option<&vk::AllocationCallbacks>,
29     ) -> VkResult<vk::SurfaceKHR> {
30         let mut surface = mem::zeroed();
31         (self.fp.create_metal_surface_ext)(
32             self.handle,
33             create_info,
34             allocation_callbacks.as_raw_ptr(),
35             &mut surface,
36         )
37         .result_with_success(surface)
38     }
39 
40     #[inline]
name() -> &'static CStr41     pub const fn name() -> &'static CStr {
42         vk::ExtMetalSurfaceFn::name()
43     }
44 
45     #[inline]
fp(&self) -> &vk::ExtMetalSurfaceFn46     pub fn fp(&self) -> &vk::ExtMetalSurfaceFn {
47         &self.fp
48     }
49 
50     #[inline]
instance(&self) -> vk::Instance51     pub fn instance(&self) -> vk::Instance {
52         self.handle
53     }
54 }
55