ash/extensions/khr/
external_memory_win32.rs

1use crate::prelude::*;
2use crate::vk;
3use crate::{Device, Instance};
4use std::ffi::CStr;
5use std::mem;
6use 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)]
10pub struct ExternalMemoryWin32 {
11    handle: vk::Device,
12    fp: vk::KhrExternalMemoryWin32Fn,
13}
14
15impl ExternalMemoryWin32 {
16    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]
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]
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]
53    pub const fn name() -> &'static CStr {
54        vk::KhrExternalMemoryWin32Fn::name()
55    }
56
57    #[inline]
58    pub fn fp(&self) -> &vk::KhrExternalMemoryWin32Fn {
59        &self.fp
60    }
61
62    #[inline]
63    pub fn device(&self) -> vk::Device {
64        self.handle
65    }
66}
ash/extensions/khr/external_memory_win32.rs

ash/extensions/khr/
external_memory_win32.rs
