ash/extensions/ext/
metal_surface.rs

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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    pub unsafe fn create_metal_surface(
25        &self,
26        create_info: &vk::MetalSurfaceCreateInfoEXT,
27        allocation_callbacks: Option<&vk::AllocationCallbacks>,
28    ) -> VkResult<vk::SurfaceKHR> {
29        let mut surface = mem::zeroed();
30        (self.fp.create_metal_surface_ext)(
31            self.handle,
32            create_info,
33            allocation_callbacks.as_raw_ptr(),
34            &mut surface,
35        )
36        .result_with_success(surface)
37    }
38
39    pub const fn name() -> &'static CStr {
40        vk::ExtMetalSurfaceFn::name()
41    }
42
43    pub fn fp(&self) -> &vk::ExtMetalSurfaceFn {
44        &self.fp
45    }
46
47    pub fn instance(&self) -> vk::Instance {
48        self.handle
49    }
50}
ash/extensions/ext/metal_surface.rs

ash/extensions/ext/
metal_surface.rs
