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// Copyright (c) 2021 The vulkano developers
// Licensed under the Apache License, Version 2.0
// <LICENSE-APACHE or
// https://www.apache.org/licenses/LICENSE-2.0> or the MIT
// license <LICENSE-MIT or https://opensource.org/licenses/MIT>,
// at your option. All files in the project carrying such
// notice may not be copied, modified, or distributed except
// according to those terms.
use std::ops::BitOr;
/// Describes the handle type used for Vulkan external semaphore APIs. This is **not**
/// just a suggestion. Check out VkExternalSemaphoreHandleTypeFlagBits in the Vulkan
/// spec.
#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
pub struct ExternalSemaphoreHandleType {
pub opaque_fd: bool,
pub opaque_win32: bool,
pub opaque_win32_kmt: bool,
pub d3d12_fence: bool,
pub sync_fd: bool,
}
impl ExternalSemaphoreHandleType {
/// Builds a `ExternalSemaphoreHandleType` with all values set to false. Useful as a default value.
///
/// # Example
///
/// ```rust
/// use vulkano::sync::ExternalSemaphoreHandleType as ExternalSemaphoreHandleType;
///
/// let _handle_type = ExternalSemaphoreHandleType {
/// opaque_fd: true,
/// .. ExternalSemaphoreHandleType::none()
/// };
/// ```
#[inline]
pub fn none() -> ExternalSemaphoreHandleType {
ExternalSemaphoreHandleType {
opaque_fd: false,
opaque_win32: false,
opaque_win32_kmt: false,
d3d12_fence: false,
sync_fd: false,
}
}
/// Builds an `ExternalSemaphoreHandleType` for a posix file descriptor.
///
/// # Example
///
/// ```rust
/// use vulkano::sync::ExternalSemaphoreHandleType as ExternalSemaphoreHandleType;
///
/// let _handle_type = ExternalSemaphoreHandleType::posix();
/// ```
#[inline]
pub fn posix() -> ExternalSemaphoreHandleType {
ExternalSemaphoreHandleType {
opaque_fd: true,
..ExternalSemaphoreHandleType::none()
}
}
}
impl From<ExternalSemaphoreHandleType> for ash::vk::ExternalSemaphoreHandleTypeFlags {
#[inline]
fn from(val: ExternalSemaphoreHandleType) -> Self {
let mut result = ash::vk::ExternalSemaphoreHandleTypeFlags::empty();
if val.opaque_fd {
result |= ash::vk::ExternalSemaphoreHandleTypeFlags::OPAQUE_FD;
}
if val.opaque_win32 {
result |= ash::vk::ExternalSemaphoreHandleTypeFlags::OPAQUE_WIN32;
}
if val.opaque_win32_kmt {
result |= ash::vk::ExternalSemaphoreHandleTypeFlags::OPAQUE_WIN32_KMT;
}
if val.d3d12_fence {
result |= ash::vk::ExternalSemaphoreHandleTypeFlags::D3D12_FENCE;
}
if val.sync_fd {
result |= ash::vk::ExternalSemaphoreHandleTypeFlags::SYNC_FD;
}
result
}
}
impl BitOr for ExternalSemaphoreHandleType {
type Output = Self;
fn bitor(self, rhs: Self) -> Self {
ExternalSemaphoreHandleType {
opaque_fd: self.opaque_fd || rhs.opaque_fd,
opaque_win32: self.opaque_win32 || rhs.opaque_win32,
opaque_win32_kmt: self.opaque_win32_kmt || rhs.opaque_win32_kmt,
d3d12_fence: self.d3d12_fence || rhs.d3d12_fence,
sync_fd: self.sync_fd || rhs.sync_fd,
}
}
}
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