ash/extensions/ext/
metal_surface.rs

1use crate::prelude::*;
2use crate::vk;
3use crate::RawPtr;
4use crate::{Entry, Instance};
5use std::ffi::CStr;
6use std::mem;
7
8#[derive(Clone)]
9pub struct MetalSurface {
10    handle: vk::Instance,
11    fp: vk::ExtMetalSurfaceFn,
12}
13
14impl MetalSurface {
15    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]
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]
41    pub const fn name() -> &'static CStr {
42        vk::ExtMetalSurfaceFn::name()
43    }
44
45    #[inline]
46    pub fn fp(&self) -> &vk::ExtMetalSurfaceFn {
47        &self.fp
48    }
49
50    #[inline]
51    pub fn instance(&self) -> vk::Instance {
52        self.handle
53    }
54}
ash/extensions/ext/metal_surface.rs

ash/extensions/ext/
metal_surface.rs
