1 files changed, 58 insertions, 0 deletions
diff --git a/third_party/rust/ash/src/extensions/khr/external_semaphore_win32.rs b/third_party/rust/ash/src/extensions/khr/external_semaphore_win32.rs
new file mode 100644
index 0000000000..102da8c1ee
--- /dev/null
+++ b/third_party/rust/ash/src/extensions/khr/external_semaphore_win32.rs
@@ -0,0 +1,58 @@
+use crate::prelude::*;
+use crate::vk;
+use crate::{Device, Instance};
+use std::ffi::CStr;
+use std::mem;
+use std::ptr;
+
+/// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/VK_KHR_external_semaphore_win32.html>
+#[derive(Clone)]
+pub struct ExternalSemaphoreWin32 {
+    handle: vk::Device,
+    fp: vk::KhrExternalSemaphoreWin32Fn,
+}
+
+impl ExternalSemaphoreWin32 {
+    pub fn new(instance: &Instance, device: &Device) -> Self {
+        let handle = device.handle();
+        let fp = vk::KhrExternalSemaphoreWin32Fn::load(|name| unsafe {
+            mem::transmute(instance.get_device_proc_addr(handle, name.as_ptr()))
+        });
+        Self { handle, fp }
+    }
+
+    /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkImportSemaphoreWin32HandleKHR.html>
+    #[inline]
+    pub unsafe fn import_semaphore_win32_handle(
+        &self,
+        import_info: &vk::ImportSemaphoreWin32HandleInfoKHR,
+    ) -> VkResult<()> {
+        (self.fp.import_semaphore_win32_handle_khr)(self.handle, import_info).result()
+    }
+
+    /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkGetSemaphoreWin32HandleKHR.html>
+    #[inline]
+    pub unsafe fn get_semaphore_win32_handle(
+        &self,
+        get_info: &vk::SemaphoreGetWin32HandleInfoKHR,
+    ) -> VkResult<vk::HANDLE> {
+        let mut handle = ptr::null_mut();
+        (self.fp.get_semaphore_win32_handle_khr)(self.handle, get_info, &mut handle)
+            .result_with_success(handle)
+    }
+
+    #[inline]
+    pub const fn name() -> &'static CStr {
+        vk::KhrExternalSemaphoreWin32Fn::name()
+    }
+
+    #[inline]
+    pub fn fp(&self) -> &vk::KhrExternalSemaphoreWin32Fn {
+        &self.fp
+    }
+
+    #[inline]
+    pub fn device(&self) -> vk::Device {
+        self.handle
+    }
+}