kazan 0.3.9+1.4.359

Vulkan bindings for Rust
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127

//! <https://registry.khronos.org/vulkan/specs/latest/man/html/VK_KHR_present_wait.html>
#![allow(unused_imports)]
use crate::{vk::Result as VkResult, vk::*, *};
use core::ffi::{CStr, c_char, c_int, c_void};
use core::mem::transmute;
use core::ptr;

pub const EXTENSION_NAME: &CStr = c"VK_KHR_present_wait";

pub(super) mod defs {
    #![allow(non_camel_case_types, unused_imports)]
    use crate::{vk::*, *};
    use core::ffi::{CStr, c_char, c_int, c_void};
    use core::fmt;
    use core::marker::PhantomData;
    use core::ptr;

    /// <https://registry.khronos.org/vulkan/specs/latest/man/html/VkPhysicalDevicePresentWaitFeaturesKHR.html>
    #[repr(C)]
    #[derive(Copy, Clone)]
    #[must_use]
    pub struct PhysicalDevicePresentWaitFeaturesKHR<'a> {
        pub s_type: StructureType,
        pub p_next: *mut c_void,
        pub present_wait: Bool32,
        pub _marker: PhantomData<&'a ()>,
    }

    #[cfg(feature = "debug")]
    impl fmt::Debug for PhysicalDevicePresentWaitFeaturesKHR<'_> {
        fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
            f.debug_struct("PhysicalDevicePresentWaitFeaturesKHR")
                .field("s_type", &self.s_type)
                .field("p_next", &self.p_next)
                .field("present_wait", &self.present_wait)
                .finish()
        }
    }

    unsafe impl<'a> TaggedStructure<'a> for PhysicalDevicePresentWaitFeaturesKHR<'a> {
        const STRUCTURE_TYPE: StructureType =
            StructureType::PHYSICAL_DEVICE_PRESENT_WAIT_FEATURES_KHR;
    }

    unsafe impl Extends<PhysicalDeviceFeatures2<'_>> for PhysicalDevicePresentWaitFeaturesKHR<'_> {}
    unsafe impl Extends<DeviceCreateInfo<'_>> for PhysicalDevicePresentWaitFeaturesKHR<'_> {}

    impl Default for PhysicalDevicePresentWaitFeaturesKHR<'_> {
        fn default() -> Self {
            Self {
                s_type: Self::STRUCTURE_TYPE,
                p_next: ptr::null_mut(),
                present_wait: Default::default(),
                _marker: PhantomData,
            }
        }
    }

    impl<'a> PhysicalDevicePresentWaitFeaturesKHR<'a> {
        #[inline]
        pub fn present_wait(mut self, present_wait: bool) -> Self {
            self.present_wait = present_wait.into();
            self
        }
    }

    /// <https://registry.khronos.org/vulkan/specs/latest/man/html/vkWaitForPresentKHR.html>
    pub type PFN_vkWaitForPresentKHR = unsafe extern "system" fn(
        device: Device,
        swapchain: SwapchainKHR,
        present_id: u64,
        timeout: u64,
    ) -> vk::Result;
}

#[cfg(feature = "ffi")]
pub(super) mod ffi {
    #![allow(non_camel_case_types)]
    use super::defs::*;

    pub type VkPhysicalDevicePresentWaitFeaturesKHR = PhysicalDevicePresentWaitFeaturesKHR<'static>;
    impl PhysicalDevicePresentWaitFeaturesKHR<'_> {
        #[inline]
        pub unsafe fn drop_lifetime_for_ffi(&self) -> &VkPhysicalDevicePresentWaitFeaturesKHR {
            unsafe { core::mem::transmute(self) }
        }
    }
}

pub struct DeviceFn {
    wait_for_present: PFN_vkWaitForPresentKHR,
}

impl LoadDeviceFn for DeviceFn {
    unsafe fn load_with(
        load: impl Fn(&CStr) -> Option<PFN_vkVoidFunction>,
    ) -> core::result::Result<Self, MissingEntryPointError> {
        unsafe {
            Ok(Self {
                wait_for_present: transmute(
                    load(c"vkWaitForPresentKHR").ok_or(MissingEntryPointError)?,
                ),
            })
        }
    }
}

impl DeviceFn {
    /// <https://registry.khronos.org/vulkan/specs/latest/man/html/vkWaitForPresentKHR.html>
    #[inline]
    pub unsafe fn wait_for_present(
        &self,
        device: Device,
        swapchain: SwapchainKHR,
        present_id: u64,
        timeout: u64,
    ) -> crate::Result<()> {
        unsafe {
            let result = (self.wait_for_present)(device, swapchain, present_id, timeout);

            match result {
                VkResult::SUCCESS => Ok(()),
                err => Err(err),
            }
        }
    }
}