1 use crate::prelude::*;
2 use crate::vk;
3 use crate::{Device, Instance};
4 use std::ffi::CStr;
5 use std::mem;
6 use std::ptr;
7 
8 /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/VK_KHR_external_memory_win32.html>
9 #[derive(Clone)]
10 pub struct ExternalMemoryWin32 {
11     handle: vk::Device,
12     fp: vk::KhrExternalMemoryWin32Fn,
13 }
14 
15 impl ExternalMemoryWin32 {
new(instance: &Instance, device: &Device) -> Self16     pub fn new(instance: &Instance, device: &Device) -> Self {
17         let handle = device.handle();
18         let fp = vk::KhrExternalMemoryWin32Fn::load(|name| unsafe {
19             mem::transmute(instance.get_device_proc_addr(handle, name.as_ptr()))
20         });
21         Self { handle, fp }
22     }
23 
24     /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkGetMemoryWin32HandleKHR.html>
25     #[inline]
get_memory_win32_handle( &self, create_info: &vk::MemoryGetWin32HandleInfoKHR, ) -> VkResult<vk::HANDLE>26     pub unsafe fn get_memory_win32_handle(
27         &self,
28         create_info: &vk::MemoryGetWin32HandleInfoKHR,
29     ) -> VkResult<vk::HANDLE> {
30         let mut handle = ptr::null_mut();
31         (self.fp.get_memory_win32_handle_khr)(self.handle, create_info, &mut handle)
32             .result_with_success(handle)
33     }
34 
35     /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkGetMemoryWin32HandlePropertiesKHR.html>
36     #[inline]
get_memory_win32_handle_properties( &self, handle_type: vk::ExternalMemoryHandleTypeFlags, handle: vk::HANDLE, ) -> VkResult<vk::MemoryWin32HandlePropertiesKHR>37     pub unsafe fn get_memory_win32_handle_properties(
38         &self,
39         handle_type: vk::ExternalMemoryHandleTypeFlags,
40         handle: vk::HANDLE,
41     ) -> VkResult<vk::MemoryWin32HandlePropertiesKHR> {
42         let mut memory_win32_handle_properties = Default::default();
43         (self.fp.get_memory_win32_handle_properties_khr)(
44             self.handle,
45             handle_type,
46             handle,
47             &mut memory_win32_handle_properties,
48         )
49         .result_with_success(memory_win32_handle_properties)
50     }
51 
52     #[inline]
name() -> &'static CStr53     pub const fn name() -> &'static CStr {
54         vk::KhrExternalMemoryWin32Fn::name()
55     }
56 
57     #[inline]
fp(&self) -> &vk::KhrExternalMemoryWin32Fn58     pub fn fp(&self) -> &vk::KhrExternalMemoryWin32Fn {
59         &self.fp
60     }
61 
62     #[inline]
device(&self) -> vk::Device63     pub fn device(&self) -> vk::Device {
64         self.handle
65     }
66 }
67