From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- third_party/rust/d3d12/src/sync.rs | 39 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 third_party/rust/d3d12/src/sync.rs (limited to 'third_party/rust/d3d12/src/sync.rs') diff --git a/third_party/rust/d3d12/src/sync.rs b/third_party/rust/d3d12/src/sync.rs new file mode 100644 index 0000000000..f1f3bb9bca --- /dev/null +++ b/third_party/rust/d3d12/src/sync.rs @@ -0,0 +1,39 @@ +use crate::{com::WeakPtr, HRESULT}; +use std::ptr; +use winapi::um::{d3d12, synchapi, winnt}; + +#[derive(Copy, Clone)] +#[repr(transparent)] +pub struct Event(pub winnt::HANDLE); +impl Event { + pub fn create(manual_reset: bool, initial_state: bool) -> Self { + Event(unsafe { + synchapi::CreateEventA( + ptr::null_mut(), + manual_reset as _, + initial_state as _, + ptr::null(), + ) + }) + } + + // TODO: return value + pub fn wait(&self, timeout_ms: u32) -> u32 { + unsafe { synchapi::WaitForSingleObject(self.0, timeout_ms) } + } +} + +pub type Fence = WeakPtr; +impl Fence { + pub fn set_event_on_completion(&self, event: Event, value: u64) -> HRESULT { + unsafe { self.SetEventOnCompletion(value, event.0) } + } + + pub fn get_value(&self) -> u64 { + unsafe { self.GetCompletedValue() } + } + + pub fn signal(&self, value: u64) -> HRESULT { + unsafe { self.Signal(value) } + } +} -- cgit v1.2.3