ash/extensions/khr/
external_semaphore_fd.rs

1use crate::prelude::*;
2use crate::vk;
3use crate::{Device, Instance};
4use std::ffi::CStr;
5use std::mem;
6
7#[derive(Clone)]
8pub struct ExternalSemaphoreFd {
9    handle: vk::Device,
10    fp: vk::KhrExternalSemaphoreFdFn,
11}
12
13impl ExternalSemaphoreFd {
14    pub fn new(instance: &Instance, device: &Device) -> Self {
15        let handle = device.handle();
16        let fp = vk::KhrExternalSemaphoreFdFn::load(|name| unsafe {
17            mem::transmute(instance.get_device_proc_addr(handle, name.as_ptr()))
18        });
19        Self { handle, fp }
20    }
21
22    /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkImportSemaphoreFdKHR.html>
23    #[inline]
24    pub unsafe fn import_semaphore_fd(
25        &self,
26        import_info: &vk::ImportSemaphoreFdInfoKHR,
27    ) -> VkResult<()> {
28        (self.fp.import_semaphore_fd_khr)(self.handle, import_info).result()
29    }
30
31    /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkGetSemaphoreFdKHR.html>
32    #[inline]
33    pub unsafe fn get_semaphore_fd(&self, get_info: &vk::SemaphoreGetFdInfoKHR) -> VkResult<i32> {
34        let mut fd = -1;
35        (self.fp.get_semaphore_fd_khr)(self.handle, get_info, &mut fd).result_with_success(fd)
36    }
37
38    #[inline]
39    pub const fn name() -> &'static CStr {
40        vk::KhrExternalSemaphoreFdFn::name()
41    }
42
43    #[inline]
44    pub fn fp(&self) -> &vk::KhrExternalSemaphoreFdFn {
45        &self.fp
46    }
47
48    #[inline]
49    pub fn device(&self) -> vk::Device {
50        self.handle
51    }
52}
ash/extensions/khr/external_semaphore_fd.rs

ash/extensions/khr/
external_semaphore_fd.rs
