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wry/src/wl_usr/usr_ifs/usr_linux_dmabuf.rs

81 lines
2 KiB
Rust

use {
crate::{
format::{formats, Format},
object::Version,
utils::clonecell::CloneCell,
wire::{
zwp_linux_dmabuf_v1::{self, *},
ZwpLinuxDmabufV1Id,
},
wl_usr::{
usr_ifs::usr_linux_buffer_params::UsrLinuxBufferParams, usr_object::UsrObject, UsrCon,
},
},
std::{convert::Infallible, rc::Rc},
};
pub struct UsrLinuxDmabuf {
pub id: ZwpLinuxDmabufV1Id,
pub con: Rc<UsrCon>,
pub owner: CloneCell<Option<Rc<dyn UsrLinuxDmabufOwner>>>,
pub version: Version,
}
pub trait UsrLinuxDmabufOwner {
fn modifier(&self, format: &'static Format, modifier: u64) {
let _ = format;
let _ = modifier;
}
}
impl UsrLinuxDmabuf {
pub fn create_params(&self) -> Rc<UsrLinuxBufferParams> {
let params = Rc::new(UsrLinuxBufferParams {
id: self.con.id(),
con: self.con.clone(),
owner: Default::default(),
version: self.version,
});
self.con.request(CreateParams {
self_id: self.id,
params_id: params.id,
});
self.con.add_object(params.clone());
params
}
}
impl ZwpLinuxDmabufV1EventHandler for UsrLinuxDmabuf {
type Error = Infallible;
fn format(&self, _ev: zwp_linux_dmabuf_v1::Format, _slf: &Rc<Self>) -> Result<(), Self::Error> {
Ok(())
}
fn modifier(&self, ev: Modifier, _slf: &Rc<Self>) -> Result<(), Self::Error> {
if let Some(owner) = self.owner.get() {
if let Some(format) = formats().get(&ev.format) {
owner.modifier(
format,
(ev.modifier_hi as u64) << 32 | (ev.modifier_lo as u64),
);
}
}
Ok(())
}
}
usr_object_base! {
self = UsrLinuxDmabuf = ZwpLinuxDmabufV1;
version = self.version;
}
impl UsrObject for UsrLinuxDmabuf {
fn destroy(&self) {
self.con.request(Destroy { self_id: self.id });
}
fn break_loops(&self) {
self.owner.take();
}
}