use crate::prelude::*;
use crate::vk;
use crate::RawPtr;
use crate::{Device, Instance};
use std::ffi::CStr;
use std::mem;
#[derive(Clone)]
pub struct DeferredHostOperations {
handle: vk::Device,
fp: vk::KhrDeferredHostOperationsFn,
}
impl DeferredHostOperations {
pub fn new(instance: &Instance, device: &Device) -> Self {
let handle = device.handle();
let fp = vk::KhrDeferredHostOperationsFn::load(|name| unsafe {
mem::transmute(instance.get_device_proc_addr(handle, name.as_ptr()))
});
Self { handle, fp }
}
#[inline]
pub unsafe fn create_deferred_operation(
&self,
allocation_callbacks: Option<&vk::AllocationCallbacks>,
) -> VkResult<vk::DeferredOperationKHR> {
let mut operation = mem::zeroed();
(self.fp.create_deferred_operation_khr)(
self.handle,
allocation_callbacks.as_raw_ptr(),
&mut operation,
)
.result_with_success(operation)
}
#[inline]
pub unsafe fn deferred_operation_join(
&self,
operation: vk::DeferredOperationKHR,
) -> VkResult<()> {
(self.fp.deferred_operation_join_khr)(self.handle, operation).result()
}
#[inline]
pub unsafe fn destroy_deferred_operation(
&self,
operation: vk::DeferredOperationKHR,
allocation_callbacks: Option<&vk::AllocationCallbacks>,
) {
(self.fp.destroy_deferred_operation_khr)(
self.handle,
operation,
allocation_callbacks.as_raw_ptr(),
);
}
#[inline]
pub unsafe fn get_deferred_operation_max_concurrency(
&self,
operation: vk::DeferredOperationKHR,
) -> u32 {
(self.fp.get_deferred_operation_max_concurrency_khr)(self.handle, operation)
}
#[inline]
pub unsafe fn get_deferred_operation_result(
&self,
operation: vk::DeferredOperationKHR,
) -> VkResult<()> {
(self.fp.get_deferred_operation_result_khr)(self.handle, operation).result()
}
#[inline]
pub const fn name() -> &'static CStr {
vk::KhrDeferredHostOperationsFn::name()
}
#[inline]
pub fn fp(&self) -> &vk::KhrDeferredHostOperationsFn {
&self.fp
}
#[inline]
pub fn device(&self) -> vk::Device {
self.handle
}
}