1 use crate::prelude::*;
2 use crate::vk;
3 use crate::RawPtr;
4 use crate::{Device, Instance};
5 use std::ffi::CStr;
6 use std::mem;
7 
8 #[derive(Clone)]
9 pub struct DeferredHostOperations {
10     handle: vk::Device,
11     fp: vk::KhrDeferredHostOperationsFn,
12 }
13 
14 impl DeferredHostOperations {
new(instance: &Instance, device: &Device) -> Self15     pub fn new(instance: &Instance, device: &Device) -> Self {
16         let handle = device.handle();
17         let fp = vk::KhrDeferredHostOperationsFn::load(|name| unsafe {
18             mem::transmute(instance.get_device_proc_addr(handle, name.as_ptr()))
19         });
20         Self { handle, fp }
21     }
22 
23     /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkCreateDeferredOperationKHR.html>
24     #[inline]
create_deferred_operation( &self, allocation_callbacks: Option<&vk::AllocationCallbacks>, ) -> VkResult<vk::DeferredOperationKHR>25     pub unsafe fn create_deferred_operation(
26         &self,
27         allocation_callbacks: Option<&vk::AllocationCallbacks>,
28     ) -> VkResult<vk::DeferredOperationKHR> {
29         let mut operation = mem::zeroed();
30         (self.fp.create_deferred_operation_khr)(
31             self.handle,
32             allocation_callbacks.as_raw_ptr(),
33             &mut operation,
34         )
35         .result_with_success(operation)
36     }
37 
38     /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkDeferredOperationJoinKHR.html>
39     #[inline]
deferred_operation_join( &self, operation: vk::DeferredOperationKHR, ) -> VkResult<()>40     pub unsafe fn deferred_operation_join(
41         &self,
42         operation: vk::DeferredOperationKHR,
43     ) -> VkResult<()> {
44         (self.fp.deferred_operation_join_khr)(self.handle, operation).result()
45     }
46 
47     /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkDestroyDeferredOperationKHR.html>
48     #[inline]
destroy_deferred_operation( &self, operation: vk::DeferredOperationKHR, allocation_callbacks: Option<&vk::AllocationCallbacks>, )49     pub unsafe fn destroy_deferred_operation(
50         &self,
51         operation: vk::DeferredOperationKHR,
52         allocation_callbacks: Option<&vk::AllocationCallbacks>,
53     ) {
54         (self.fp.destroy_deferred_operation_khr)(
55             self.handle,
56             operation,
57             allocation_callbacks.as_raw_ptr(),
58         );
59     }
60 
61     /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkGetDeferredOperationMaxConcurrencyKHR.html>
62     #[inline]
get_deferred_operation_max_concurrency( &self, operation: vk::DeferredOperationKHR, ) -> u3263     pub unsafe fn get_deferred_operation_max_concurrency(
64         &self,
65         operation: vk::DeferredOperationKHR,
66     ) -> u32 {
67         (self.fp.get_deferred_operation_max_concurrency_khr)(self.handle, operation)
68     }
69 
70     /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkGetDeferredOperationResultKHR.html>
71     #[inline]
get_deferred_operation_result( &self, operation: vk::DeferredOperationKHR, ) -> VkResult<()>72     pub unsafe fn get_deferred_operation_result(
73         &self,
74         operation: vk::DeferredOperationKHR,
75     ) -> VkResult<()> {
76         (self.fp.get_deferred_operation_result_khr)(self.handle, operation).result()
77     }
78 
79     #[inline]
name() -> &'static CStr80     pub const fn name() -> &'static CStr {
81         vk::KhrDeferredHostOperationsFn::name()
82     }
83 
84     #[inline]
fp(&self) -> &vk::KhrDeferredHostOperationsFn85     pub fn fp(&self) -> &vk::KhrDeferredHostOperationsFn {
86         &self.fp
87     }
88 
89     #[inline]
device(&self) -> vk::Device90     pub fn device(&self) -> vk::Device {
91         self.handle
92     }
93 }
94