Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 41 insertions, 0 deletions

diff --git a/third_party/rust/d3d12/src/sync.rs b/third_party/rust/d3d12/src/sync.rs
new file mode 100644
index 0000000000..75a4b26710
--- /dev/null
+++ b/third_party/rust/d3d12/src/sync.rs
@@ -0,0 +1,41 @@
+use com::WeakPtr;

+use std::ptr;

+use winapi::um::d3d12;

+use winapi::um::{synchapi, winnt};

+use HRESULT;

+

+#[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<d3d12::ID3D12Fence>;

+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) }

+    }

+}