kazan 0.3.9+1.4.359

Vulkan bindings for Rust
Documentation 
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//! <https://registry.khronos.org/vulkan/specs/latest/man/html/VK_KHR_timeline_semaphore.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_timeline_semaphore";

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/VkSemaphoreTypeKHR.html>
    pub type SemaphoreTypeKHR = SemaphoreType;
    /// <https://registry.khronos.org/vulkan/specs/latest/man/html/VkPhysicalDeviceTimelineSemaphoreFeaturesKHR.html>
    pub type PhysicalDeviceTimelineSemaphoreFeaturesKHR<'a> =
        PhysicalDeviceTimelineSemaphoreFeatures<'a>;
    /// <https://registry.khronos.org/vulkan/specs/latest/man/html/VkPhysicalDeviceTimelineSemaphorePropertiesKHR.html>
    pub type PhysicalDeviceTimelineSemaphorePropertiesKHR<'a> =
        PhysicalDeviceTimelineSemaphoreProperties<'a>;
    /// <https://registry.khronos.org/vulkan/specs/latest/man/html/VkSemaphoreTypeCreateInfoKHR.html>
    pub type SemaphoreTypeCreateInfoKHR<'a> = SemaphoreTypeCreateInfo<'a>;
    /// <https://registry.khronos.org/vulkan/specs/latest/man/html/VkTimelineSemaphoreSubmitInfoKHR.html>
    pub type TimelineSemaphoreSubmitInfoKHR<'a> = TimelineSemaphoreSubmitInfo<'a>;
    /// <https://registry.khronos.org/vulkan/specs/latest/man/html/VkSemaphoreWaitInfoKHR.html>
    pub type SemaphoreWaitInfoKHR<'a> = SemaphoreWaitInfo<'a>;
    /// <https://registry.khronos.org/vulkan/specs/latest/man/html/VkSemaphoreSignalInfoKHR.html>
    pub type SemaphoreSignalInfoKHR<'a> = SemaphoreSignalInfo<'a>;
    /// <https://registry.khronos.org/vulkan/specs/latest/man/html/VkSemaphoreWaitFlagsKHR.html>
    pub type SemaphoreWaitFlagsKHR = SemaphoreWaitFlags;
    pub type PFN_vkGetSemaphoreCounterValueKHR = PFN_vkGetSemaphoreCounterValue;
    pub type PFN_vkWaitSemaphoresKHR = PFN_vkWaitSemaphores;
    pub type PFN_vkSignalSemaphoreKHR = PFN_vkSignalSemaphore;
}

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

    pub type VkSemaphoreTypeKHR = SemaphoreTypeKHR;
    pub type VkPhysicalDeviceTimelineSemaphoreFeaturesKHR =
        PhysicalDeviceTimelineSemaphoreFeaturesKHR<'static>;
    pub type VkPhysicalDeviceTimelineSemaphorePropertiesKHR =
        PhysicalDeviceTimelineSemaphorePropertiesKHR<'static>;
    pub type VkSemaphoreTypeCreateInfoKHR = SemaphoreTypeCreateInfoKHR<'static>;
    pub type VkTimelineSemaphoreSubmitInfoKHR = TimelineSemaphoreSubmitInfoKHR<'static>;
    pub type VkSemaphoreWaitInfoKHR = SemaphoreWaitInfoKHR<'static>;
    pub type VkSemaphoreSignalInfoKHR = SemaphoreSignalInfoKHR<'static>;
    pub type VkSemaphoreWaitFlagsKHR = SemaphoreWaitFlagsKHR;
}

pub struct DeviceFn {
    get_semaphore_counter_value: PFN_vkGetSemaphoreCounterValue,
    wait_semaphores: PFN_vkWaitSemaphores,
    signal_semaphore: PFN_vkSignalSemaphore,
}

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

impl DeviceFn {
    /// <https://registry.khronos.org/vulkan/specs/latest/man/html/vkGetSemaphoreCounterValueKHR.html>
    #[inline]
    pub unsafe fn get_semaphore_counter_value(
        &self,
        device: Device,
        semaphore: Semaphore,
    ) -> crate::Result<u64> {
        unsafe {
            let mut value = core::mem::MaybeUninit::uninit();
            let result = (self.get_semaphore_counter_value)(device, semaphore, value.as_mut_ptr());

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

    /// <https://registry.khronos.org/vulkan/specs/latest/man/html/vkWaitSemaphoresKHR.html>
    #[inline]
    pub unsafe fn wait_semaphores(
        &self,
        device: Device,
        wait_info: &SemaphoreWaitInfo<'_>,
        timeout: u64,
    ) -> crate::Result<()> {
        unsafe {
            let result = (self.wait_semaphores)(device, wait_info, timeout);

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

    /// <https://registry.khronos.org/vulkan/specs/latest/man/html/vkSignalSemaphoreKHR.html>
    #[inline]
    pub unsafe fn signal_semaphore(
        &self,
        device: Device,
        signal_info: &SemaphoreSignalInfo<'_>,
    ) -> crate::Result<()> {
        unsafe {
            let result = (self.signal_semaphore)(device, signal_info);

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