ash/extensions/nn/
vi_surface.rs

1use crate::prelude::*;
2use crate::vk;
3use crate::RawPtr;
4use crate::{Entry, Instance};
5use std::ffi::CStr;
6use std::mem;
7
8#[derive(Clone)]
9pub struct ViSurface {
10    handle: vk::Instance,
11    fp: vk::NnViSurfaceFn,
12}
13
14impl ViSurface {
15    pub fn new(entry: &Entry, instance: &Instance) -> Self {
16        let handle = instance.handle();
17        let fp = vk::NnViSurfaceFn::load(|name| unsafe {
18            mem::transmute(entry.get_instance_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/vkCreateViSurfaceNN.html>
24    pub unsafe fn create_vi_surface(
25        &self,
26        create_info: &vk::ViSurfaceCreateInfoNN,
27        allocation_callbacks: Option<&vk::AllocationCallbacks>,
28    ) -> VkResult<vk::SurfaceKHR> {
29        let mut surface = mem::zeroed();
30        (self.fp.create_vi_surface_nn)(
31            self.handle,
32            create_info,
33            allocation_callbacks.as_raw_ptr(),
34            &mut surface,
35        )
36        .result_with_success(surface)
37    }
38
39    pub const fn name() -> &'static CStr {
40        vk::NnViSurfaceFn::name()
41    }
42
43    pub fn fp(&self) -> &vk::NnViSurfaceFn {
44        &self.fp
45    }
46
47    pub fn instance(&self) -> vk::Instance {
48        self.handle
49    }
50}