ash/extensions/khr/
external_fence_win32.rs

1use crate::prelude::*;
2use crate::vk;
3use crate::{Device, Instance};
4use std::ffi::CStr;
5use std::mem;
6use std::ptr;
7
8/// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/VK_KHR_external_fence_win32.html>
9#[derive(Clone)]
10pub struct ExternalFenceWin32 {
11    handle: vk::Device,
12    fp: vk::KhrExternalFenceWin32Fn,
13}
14
15impl ExternalFenceWin32 {
16    pub fn new(instance: &Instance, device: &Device) -> Self {
17        let handle = device.handle();
18        let fp = vk::KhrExternalFenceWin32Fn::load(|name| unsafe {
19            mem::transmute(instance.get_device_proc_addr(handle, name.as_ptr()))
20        });
21        Self { handle, fp }
22    }
23
24    /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkImportFenceWin32HandleKHR.html>
25    #[inline]
26    pub unsafe fn import_fence_win32_handle(
27        &self,
28        import_info: &vk::ImportFenceWin32HandleInfoKHR,
29    ) -> VkResult<()> {
30        (self.fp.import_fence_win32_handle_khr)(self.handle, import_info).result()
31    }
32
33    /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkGetFenceWin32HandleKHR.html>
34    #[inline]
35    pub unsafe fn get_fence_win32_handle(
36        &self,
37        get_info: &vk::FenceGetWin32HandleInfoKHR,
38    ) -> VkResult<vk::HANDLE> {
39        let mut handle = ptr::null_mut();
40        (self.fp.get_fence_win32_handle_khr)(self.handle, get_info, &mut handle)
41            .result_with_success(handle)
42    }
43
44    #[inline]
45    pub const fn name() -> &'static CStr {
46        vk::KhrExternalFenceWin32Fn::name()
47    }
48
49    #[inline]
50    pub fn fp(&self) -> &vk::KhrExternalFenceWin32Fn {
51        &self.fp
52    }
53
54    #[inline]
55    pub fn device(&self) -> vk::Device {
56        self.handle
57    }
58}
ash/extensions/khr/external_fence_win32.rs

ash/extensions/khr/
external_fence_win32.rs
