ash/extensions/khr/
get_surface_capabilities2.rs

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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    pub unsafe fn get_physical_device_surface_capabilities2(
22        &self,
23        physical_device: vk::PhysicalDevice,
24        surface_info: &vk::PhysicalDeviceSurfaceInfo2KHR,
25    ) -> VkResult<vk::SurfaceCapabilities2KHR> {
26        let mut surface_capabilities = Default::default();
27        (self.fp.get_physical_device_surface_capabilities2_khr)(
28            physical_device,
29            surface_info,
30            &mut surface_capabilities,
31        )
32        .result_with_success(surface_capabilities)
33    }
34
35    /// Retrieve the number of elements to pass to [`get_physical_device_surface_formats2()`][Self::get_physical_device_surface_formats2()]
36    pub unsafe fn get_physical_device_surface_formats2_len(
37        &self,
38        physical_device: vk::PhysicalDevice,
39        surface_info: &vk::PhysicalDeviceSurfaceInfo2KHR,
40    ) -> VkResult<usize> {
41        let mut count = 0;
42        let err_code = (self.fp.get_physical_device_surface_formats2_khr)(
43            physical_device,
44            surface_info,
45            &mut count,
46            std::ptr::null_mut(),
47        );
48        err_code.result_with_success(count as usize)
49    }
50
51    /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkGetPhysicalDeviceSurfaceFormats2KHR.html>
52    ///
53    /// Call [`get_physical_device_surface_formats2_len()`][Self::get_physical_device_surface_formats2_len()] to query the number of elements to pass to `out`.
54    /// Be sure to [`Default::default()`]-initialize these elements and optionally set their `p_next` pointer.
55    pub unsafe fn get_physical_device_surface_formats2(
56        &self,
57        physical_device: vk::PhysicalDevice,
58        surface_info: &vk::PhysicalDeviceSurfaceInfo2KHR,
59        out: &mut [vk::SurfaceFormat2KHR],
60    ) -> VkResult<()> {
61        let mut count = out.len() as u32;
62        let err_code = (self.fp.get_physical_device_surface_formats2_khr)(
63            physical_device,
64            surface_info,
65            &mut count,
66            out.as_mut_ptr(),
67        );
68        assert_eq!(count as usize, out.len());
69        err_code.result()
70    }
71
72    pub const fn name() -> &'static CStr {
73        vk::KhrGetSurfaceCapabilities2Fn::name()
74    }
75
76    pub fn fp(&self) -> &vk::KhrGetSurfaceCapabilities2Fn {
77        &self.fp
78    }
79}
ash/extensions/khr/get_surface_capabilities2.rs

ash/extensions/khr/
get_surface_capabilities2.rs
