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wry/src/ifs/zwp_linux_dmabuf_feedback_v1.rs
2024-02-06 16:30:12 +01:00

124 lines
3.1 KiB
Rust

use {
crate::{
client::{Client, ClientError},
drm_feedback::DrmFeedback,
leaks::Tracker,
object::Object,
utils::buffd::{MsgParser, MsgParserError},
wire::{zwp_linux_dmabuf_feedback_v1::*, ZwpLinuxDmabufFeedbackV1Id},
},
std::rc::Rc,
thiserror::Error,
uapi::{c, OwnedFd},
};
#[allow(dead_code)]
pub const SCANOUT: u32 = 1;
pub struct ZwpLinuxDmabufFeedbackV1 {
pub id: ZwpLinuxDmabufFeedbackV1Id,
pub client: Rc<Client>,
pub tracker: Tracker<Self>,
}
impl ZwpLinuxDmabufFeedbackV1 {
pub fn new(id: ZwpLinuxDmabufFeedbackV1Id, client: &Rc<Client>) -> Self {
Self {
id,
client: client.clone(),
tracker: Default::default(),
}
}
pub fn send_feedback(&self, feedback: &DrmFeedback) {
self.send_format_table(&feedback.fd, feedback.size);
self.send_main_device(feedback.main_device);
self.send_tranche_target_device(feedback.main_device);
self.send_tranche_formats(&feedback.indices);
self.send_tranche_flags(0);
self.send_tranche_done();
self.send_done();
}
fn send_done(&self) {
self.client.event(Done { self_id: self.id });
}
fn send_format_table(&self, fd: &Rc<OwnedFd>, size: usize) {
self.client.event(FormatTable {
self_id: self.id,
fd: fd.clone(),
size: size as _,
});
}
fn send_main_device(&self, dev: c::dev_t) {
self.client.event(MainDevice {
self_id: self.id,
device: dev,
});
}
fn send_tranche_done(&self) {
self.client.event(TrancheDone { self_id: self.id });
}
fn send_tranche_target_device(&self, dev: c::dev_t) {
self.client.event(TrancheTargetDevice {
self_id: self.id,
device: dev,
});
}
fn send_tranche_formats(&self, indices: &[u16]) {
self.client.event(TrancheFormats {
self_id: self.id,
indices,
});
}
fn send_tranche_flags(&self, flags: u32) {
self.client.event(TrancheFlags {
self_id: self.id,
flags,
});
}
fn destroy(&self, parser: MsgParser<'_, '_>) -> Result<(), ZwpLinuxDmabufFeedbackV1Error> {
let _req: Destroy = self.client.parse(self, parser)?;
self.detach();
self.client.remove_obj(self)?;
Ok(())
}
fn detach(&self) {
self.client
.state
.drm_feedback_consumers
.remove(&(self.client.id, self.id));
}
}
object_base! {
self = ZwpLinuxDmabufFeedbackV1;
DESTROY => destroy,
}
impl Object for ZwpLinuxDmabufFeedbackV1 {
fn break_loops(&self) {
self.detach();
}
}
simple_add_obj!(ZwpLinuxDmabufFeedbackV1);
#[derive(Debug, Error)]
pub enum ZwpLinuxDmabufFeedbackV1Error {
#[error(transparent)]
ClientError(Box<ClientError>),
#[error("Parsing failed")]
MsgParserError(#[source] Box<MsgParserError>),
}
efrom!(ZwpLinuxDmabufFeedbackV1Error, ClientError);
efrom!(ZwpLinuxDmabufFeedbackV1Error, MsgParserError);