use crate::prelude::*;
use crate::vk;
use crate::{Device, Instance};
use std::ffi::CStr;
use std::mem;
#[derive(Clone)]
pub struct ExternalFenceFd {
handle: vk::Device,
fp: vk::KhrExternalFenceFdFn,
}
impl ExternalFenceFd {
pub fn new(instance: &Instance, device: &Device) -> Self {
let handle = device.handle();
let fp = vk::KhrExternalFenceFdFn::load(|name| unsafe {
mem::transmute(instance.get_device_proc_addr(handle, name.as_ptr()))
});
Self { handle, fp }
}
#[inline]
pub unsafe fn import_fence_fd(&self, import_info: &vk::ImportFenceFdInfoKHR) -> VkResult<()> {
(self.fp.import_fence_fd_khr)(self.handle, import_info).result()
}
#[inline]
pub unsafe fn get_fence_fd(&self, get_info: &vk::FenceGetFdInfoKHR) -> VkResult<i32> {
let mut fd = -1;
(self.fp.get_fence_fd_khr)(self.handle, get_info, &mut fd).result_with_success(fd)
}
#[inline]
pub const fn name() -> &'static CStr {
vk::KhrExternalFenceFdFn::name()
}
#[inline]
pub fn fp(&self) -> &vk::KhrExternalFenceFdFn {
&self.fp
}
#[inline]
pub fn device(&self) -> vk::Device {
self.handle
}
}