1 use crate::prelude::*;
2 use crate::vk;
3 use crate::{Device, Instance};
4 use std::ffi::CStr;
5 use std::mem;
6 use std::ptr;
7 
8 /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/VK_KHR_external_semaphore_win32.html>
9 #[derive(Clone)]
10 pub struct ExternalSemaphoreWin32 {
11     handle: vk::Device,
12     fp: vk::KhrExternalSemaphoreWin32Fn,
13 }
14 
15 impl ExternalSemaphoreWin32 {
new(instance: &Instance, device: &Device) -> Self16     pub fn new(instance: &Instance, device: &Device) -> Self {
17         let handle = device.handle();
18         let fp = vk::KhrExternalSemaphoreWin32Fn::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/vkImportSemaphoreWin32HandleKHR.html>
25     #[inline]
import_semaphore_win32_handle( &self, import_info: &vk::ImportSemaphoreWin32HandleInfoKHR, ) -> VkResult<()>26     pub unsafe fn import_semaphore_win32_handle(
27         &self,
28         import_info: &vk::ImportSemaphoreWin32HandleInfoKHR,
29     ) -> VkResult<()> {
30         (self.fp.import_semaphore_win32_handle_khr)(self.handle, import_info).result()
31     }
32 
33     /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkGetSemaphoreWin32HandleKHR.html>
34     #[inline]
get_semaphore_win32_handle( &self, get_info: &vk::SemaphoreGetWin32HandleInfoKHR, ) -> VkResult<vk::HANDLE>35     pub unsafe fn get_semaphore_win32_handle(
36         &self,
37         get_info: &vk::SemaphoreGetWin32HandleInfoKHR,
38     ) -> VkResult<vk::HANDLE> {
39         let mut handle = ptr::null_mut();
40         (self.fp.get_semaphore_win32_handle_khr)(self.handle, get_info, &mut handle)
41             .result_with_success(handle)
42     }
43 
44     #[inline]
name() -> &'static CStr45     pub const fn name() -> &'static CStr {
46         vk::KhrExternalSemaphoreWin32Fn::name()
47     }
48 
49     #[inline]
fp(&self) -> &vk::KhrExternalSemaphoreWin32Fn50     pub fn fp(&self) -> &vk::KhrExternalSemaphoreWin32Fn {
51         &self.fp
52     }
53 
54     #[inline]
device(&self) -> vk::Device55     pub fn device(&self) -> vk::Device {
56         self.handle
57     }
58 }
59