| 1 | use crate::device::Shared; |
| 2 | use ash::vk; |
| 3 | use smithay::backend::renderer::sync::{Fence, Interrupted}; |
| 4 | use std::fmt; |
| 5 | use std::sync::Arc; |
| 6 | |
| 7 | pub(crate) struct FenceInner { |
| 8 | pub shared: Arc<Shared>, |
| 9 | pub fence: vk::Fence, |
| 10 | } |
| 11 | |
| 12 | impl FenceInner { |
| 13 | pub fn new(shared: &Arc<Shared>) -> Result<Arc<Self>, vk::Result> { |
| 14 | let fence = unsafe { |
| 15 | shared |
| 16 | .device |
| 17 | .device |
| 18 | .create_fence(&vk::FenceCreateInfo::default(), None)? |
| 19 | }; |
| 20 | Ok(Arc::new(Self { |
| 21 | shared: shared.clone(), |
| 22 | fence, |
| 23 | })) |
| 24 | } |
| 25 | |
| 26 | pub fn signaled(&self) -> bool { |
| 27 | unsafe { self.shared.device.device.get_fence_status(self.fence) }.unwrap_or(true) |
| 28 | } |
| 29 | |
| 30 | pub fn wait(&self) -> Result<(), vk::Result> { |
| 31 | unsafe { |
| 32 | self.shared |
| 33 | .device |
| 34 | .device |
| 35 | .wait_for_fences(&[self.fence], true, u64::MAX) |
| 36 | } |
| 37 | } |
| 38 | } |
| 39 | |
| 40 | impl Drop for FenceInner { |
| 41 | fn drop(&mut self) { |
| 42 | unsafe { self.shared.device.device.destroy_fence(self.fence, None) }; |
| 43 | } |
| 44 | } |
| 45 | |
| 46 | impl fmt::Debug for FenceInner { |
| 47 | fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { |
| 48 | f.debug_tuple("FenceInner").field(&self.fence).finish() |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | #[derive(Debug)] |
| 53 | pub(crate) struct VkFence(pub Arc<FenceInner>); |
| 54 | |
| 55 | impl Fence for VkFence { |
| 56 | fn is_signaled(&self) -> bool { |
| 57 | self.0.signaled() |
| 58 | } |
| 59 | |
| 60 | fn wait(&self) -> Result<(), Interrupted> { |
| 61 | self.0.wait().map_err(|_| Interrupted) |
| 62 | } |
| 63 | |
| 64 | fn is_exportable(&self) -> bool { |
| 65 | false |
| 66 | } |
| 67 | |
| 68 | fn export(&self) -> Option<std::os::fd::OwnedFd> { |
| 69 | None |
| 70 | } |
| 71 | } |