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extensions/khr: Add VK_KHR_external_fence_fd wrapper
This extension wrapper is identical to the one for VK_KHR_external_semaphore_fd introduced in ash-rs#395 with 'semaphore' substitued for 'fence'.
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use crate::prelude::*; | ||
use crate::version::{DeviceV1_0, InstanceV1_0}; | ||
use crate::vk; | ||
use std::ffi::CStr; | ||
use std::mem; | ||
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#[derive(Clone)] | ||
pub struct ExternalFenceFd { | ||
handle: vk::Device, | ||
external_fence_fd_fn: vk::KhrExternalFenceFdFn, | ||
} | ||
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impl ExternalFenceFd { | ||
pub fn new<I: InstanceV1_0, D: DeviceV1_0>(instance: &I, device: &D) -> Self { | ||
let external_fence_fd_fn = vk::KhrExternalFenceFdFn::load(|name| unsafe { | ||
mem::transmute(instance.get_device_proc_addr(device.handle(), name.as_ptr())) | ||
}); | ||
Self { | ||
handle: device.handle(), | ||
external_fence_fd_fn, | ||
} | ||
} | ||
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pub fn name() -> &'static CStr { | ||
vk::KhrExternalFenceFdFn::name() | ||
} | ||
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#[doc = "<https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkImportFenceFdKHR.html>"] | ||
pub unsafe fn import_fence_fd(&self, import_info: &vk::ImportFenceFdInfoKHR) -> VkResult<()> { | ||
self.external_fence_fd_fn | ||
.import_fence_fd_khr(self.handle, import_info) | ||
.result() | ||
} | ||
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#[doc = "<https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkGetFenceFdKHR.html>"] | ||
pub unsafe fn get_fence_fd(&self, get_info: &vk::FenceGetFdInfoKHR) -> VkResult<i32> { | ||
let mut fd = -1; | ||
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self.external_fence_fd_fn | ||
.get_fence_fd_khr(self.handle, get_info, &mut fd) | ||
.result_with_success(fd) | ||
} | ||
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pub fn fp(&self) -> &vk::KhrExternalFenceFdFn { | ||
&self.external_fence_fd_fn | ||
} | ||
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pub fn device(&self) -> vk::Device { | ||
self.handle | ||
} | ||
} |
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