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use crate::prelude::*;
use crate::vk;
use crate::{Device, Instance};
use std::ffi::CStr;
use std::mem;
#[derive(Clone)]
pub struct PresentWait {
handle: vk::Device,
fp: vk::KhrPresentWaitFn,
}
impl PresentWait {
pub fn new(instance: &Instance, device: &Device) -> Self {
let handle = device.handle();
let fp = vk::KhrPresentWaitFn::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/vkWaitForPresentKHR.html>
#[inline]
pub unsafe fn wait_for_present(
&self,
swapchain: vk::SwapchainKHR,
present_id: u64,
timeout: u64,
) -> VkResult<()> {
(self.fp.wait_for_present_khr)(self.handle, swapchain, present_id, timeout).result()
}
#[inline]
pub const fn name() -> &'static CStr {
vk::KhrPresentWaitFn::name()
}
#[inline]
pub fn fp(&self) -> &vk::KhrPresentWaitFn {
&self.fp
}
#[inline]
pub fn device(&self) -> vk::Device {
self.handle
}
}
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