89 lines
2.3 KiB
Rust
89 lines
2.3 KiB
Rust
use {
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crate::{
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object::Version,
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utils::clonecell::CloneCell,
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video::dmabuf::DmaBuf,
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wire::{ZwpLinuxBufferParamsV1Id, zwp_linux_buffer_params_v1::*},
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wl_usr::{UsrCon, usr_ifs::usr_wl_buffer::UsrWlBuffer, usr_object::UsrObject},
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},
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std::{convert::Infallible, ops::Deref, rc::Rc},
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};
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pub struct UsrLinuxBufferParams {
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pub id: ZwpLinuxBufferParamsV1Id,
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pub con: Rc<UsrCon>,
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pub owner: CloneCell<Option<Rc<dyn UsrLinuxBufferParamsOwner>>>,
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pub version: Version,
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}
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pub trait UsrLinuxBufferParamsOwner {
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fn created(&self, buffer: Rc<UsrWlBuffer>) {
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buffer.con.remove_obj(buffer.deref());
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}
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fn failed(&self) {}
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}
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impl UsrLinuxBufferParams {
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pub fn create(&self, buf: &DmaBuf) {
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for (idx, plane) in buf.planes.iter().enumerate() {
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self.con.request(Add {
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self_id: self.id,
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fd: plane.fd.clone(),
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plane_idx: idx as _,
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offset: plane.offset,
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stride: plane.stride,
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modifier: buf.modifier,
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});
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}
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self.con.request(Create {
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self_id: self.id,
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width: buf.width,
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height: buf.height,
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format: buf.format.drm,
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flags: 0,
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});
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}
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}
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impl ZwpLinuxBufferParamsV1EventHandler for UsrLinuxBufferParams {
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type Error = Infallible;
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fn created(&self, ev: Created, _slf: &Rc<Self>) -> Result<(), Self::Error> {
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let buffer = Rc::new(UsrWlBuffer {
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id: ev.buffer,
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con: self.con.clone(),
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owner: Default::default(),
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version: self.version,
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});
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self.con.add_object(buffer.clone());
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if let Some(owner) = self.owner.get() {
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owner.created(buffer);
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} else {
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self.con.remove_obj(buffer.deref());
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}
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Ok(())
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}
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fn failed(&self, _ev: Failed, _slf: &Rc<Self>) -> Result<(), Self::Error> {
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if let Some(owner) = self.owner.get() {
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owner.failed();
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}
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Ok(())
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}
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}
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usr_object_base! {
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self = UsrLinuxBufferParams = ZwpLinuxBufferParamsV1;
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version = self.version;
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}
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impl UsrObject for UsrLinuxBufferParams {
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fn destroy(&self) {
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self.con.request(Destroy { self_id: self.id });
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}
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fn break_loops(&self) {
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self.owner.take();
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}
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}
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