ash/extensions/khr/
get_surface_capabilities2.rs

1use crate::prelude::*;
2use crate::vk;
3use crate::{Entry, Instance};
4use std::ffi::CStr;
5use std::mem;
6
7#[derive(Clone)]
8pub struct GetSurfaceCapabilities2 {
9    fp: vk::KhrGetSurfaceCapabilities2Fn,
10}
11
12impl GetSurfaceCapabilities2 {
13    pub fn new(entry: &Entry, instance: &Instance) -> Self {
14        let fp = vk::KhrGetSurfaceCapabilities2Fn::load(|name| unsafe {
15            mem::transmute(entry.get_instance_proc_addr(instance.handle(), name.as_ptr()))
16        });
17        Self { fp }
18    }
19
20    /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkGetPhysicalDeviceSurfaceCapabilities2KHR.html>
21    #[inline]
22    pub unsafe fn get_physical_device_surface_capabilities2(
23        &self,
24        physical_device: vk::PhysicalDevice,
25        surface_info: &vk::PhysicalDeviceSurfaceInfo2KHR,
26    ) -> VkResult<vk::SurfaceCapabilities2KHR> {
27        let mut surface_capabilities = Default::default();
28        (self.fp.get_physical_device_surface_capabilities2_khr)(
29            physical_device,
30            surface_info,
31            &mut surface_capabilities,
32        )
33        .result_with_success(surface_capabilities)
34    }
35
36    /// Retrieve the number of elements to pass to [`get_physical_device_surface_formats2()`][Self::get_physical_device_surface_formats2()]
37    #[inline]
38    pub unsafe fn get_physical_device_surface_formats2_len(
39        &self,
40        physical_device: vk::PhysicalDevice,
41        surface_info: &vk::PhysicalDeviceSurfaceInfo2KHR,
42    ) -> VkResult<usize> {
43        let mut count = 0;
44        let err_code = (self.fp.get_physical_device_surface_formats2_khr)(
45            physical_device,
46            surface_info,
47            &mut count,
48            std::ptr::null_mut(),
49        );
50        err_code.result_with_success(count as usize)
51    }
52
53    /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkGetPhysicalDeviceSurfaceFormats2KHR.html>
54    ///
55    /// Call [`get_physical_device_surface_formats2_len()`][Self::get_physical_device_surface_formats2_len()] to query the number of elements to pass to `out`.
56    /// Be sure to [`Default::default()`]-initialize these elements and optionally set their `p_next` pointer.
57    #[inline]
58    pub unsafe fn get_physical_device_surface_formats2(
59        &self,
60        physical_device: vk::PhysicalDevice,
61        surface_info: &vk::PhysicalDeviceSurfaceInfo2KHR,
62        out: &mut [vk::SurfaceFormat2KHR],
63    ) -> VkResult<()> {
64        let mut count = out.len() as u32;
65        let err_code = (self.fp.get_physical_device_surface_formats2_khr)(
66            physical_device,
67            surface_info,
68            &mut count,
69            out.as_mut_ptr(),
70        );
71        assert_eq!(count as usize, out.len());
72        err_code.result()
73    }
74
75    #[inline]
76    pub const fn name() -> &'static CStr {
77        vk::KhrGetSurfaceCapabilities2Fn::name()
78    }
79
80    #[inline]
81    pub fn fp(&self) -> &vk::KhrGetSurfaceCapabilities2Fn {
82        &self.fp
83    }
84}
ash/extensions/khr/get_surface_capabilities2.rs

ash/extensions/khr/
get_surface_capabilities2.rs
