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use crate::{com::ComPtr, 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 = ComPtr<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) }
}
}
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