ash/extensions/khr/
timeline_semaphore.rs

1use crate::prelude::*;
2use crate::vk;
3use crate::{Device, Instance};
4use std::ffi::CStr;
5use std::mem;
6
7#[derive(Clone)]
8pub struct TimelineSemaphore {
9    handle: vk::Device,
10    fp: vk::KhrTimelineSemaphoreFn,
11}
12
13impl TimelineSemaphore {
14    pub fn new(instance: &Instance, device: &Device) -> Self {
15        let handle = device.handle();
16        let fp = vk::KhrTimelineSemaphoreFn::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/vkGetSemaphoreCounterValue.html>
23    #[inline]
24    pub unsafe fn get_semaphore_counter_value(&self, semaphore: vk::Semaphore) -> VkResult<u64> {
25        let mut value = 0;
26        (self.fp.get_semaphore_counter_value_khr)(self.handle, semaphore, &mut value)
27            .result_with_success(value)
28    }
29
30    /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkWaitSemaphores.html>
31    #[inline]
32    pub unsafe fn wait_semaphores(
33        &self,
34        wait_info: &vk::SemaphoreWaitInfo,
35        timeout: u64,
36    ) -> VkResult<()> {
37        (self.fp.wait_semaphores_khr)(self.handle, wait_info, timeout).result()
38    }
39
40    /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkSignalSemaphore.html>
41    #[inline]
42    pub unsafe fn signal_semaphore(&self, signal_info: &vk::SemaphoreSignalInfo) -> VkResult<()> {
43        (self.fp.signal_semaphore_khr)(self.handle, signal_info).result()
44    }
45
46    #[inline]
47    pub const fn name() -> &'static CStr {
48        vk::KhrTimelineSemaphoreFn::name()
49    }
50
51    #[inline]
52    pub fn fp(&self) -> &vk::KhrTimelineSemaphoreFn {
53        &self.fp
54    }
55
56    #[inline]
57    pub fn device(&self) -> vk::Device {
58        self.handle
59    }
60}
ash/extensions/khr/timeline_semaphore.rs

ash/extensions/khr/
timeline_semaphore.rs
