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backend: take initial backend state from backend

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This commit is contained in:
Julian Orth 2026-03-17 20:41:00 +01:00
parent 1a9753847a
commit d321e888be
8 changed files with 88 additions and 71 deletions
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1
src/backend.rs
View file

@ -141,6 +141,7 @@ pub trait Connector: Any {
fn damage(&self);
fn drm_dev(&self) -> Option<DrmDeviceId>;
fn effectively_locked(&self) -> bool;
fn state(&self) -> BackendConnectorState;
fn caps(&self) -> ConnectorCaps {
ConnectorCaps::none()
}

25
src/backends/dummy.rs
View file

@ -2,8 +2,10 @@ use {
crate::{
async_engine::SpawnedFuture,
backend::{
Backend, Connector, ConnectorEvent, ConnectorId, ConnectorKernelId, DrmDeviceId,
self, Backend, BackendConnectorState, BackendConnectorStateSerial, Connector,
ConnectorEvent, ConnectorId, ConnectorKernelId, DrmDeviceId,
},
format::XRGB8888,
video::drm::ConnectorType,
},
std::{error::Error, rc::Rc},
@ -52,4 +54,25 @@ impl Connector for DummyOutput {
fn effectively_locked(&self) -> bool {
true
}
fn state(&self) -> BackendConnectorState {
let mode = backend::Mode {
width: 0,
height: 0,
refresh_rate_millihz: 40_000,
};
BackendConnectorState {
serial: BackendConnectorStateSerial::from_raw(0),
enabled: true,
active: false,
mode,
non_desktop_override: None,
vrr: false,
tearing: false,
format: XRGB8888,
color_space: Default::default(),
eotf: Default::default(),
gamma_lut: Default::default(),
}
}
}

4
src/backends/metal/video.rs
View file

@ -867,6 +867,10 @@ impl Connector for MetalConnector {
fb.locked
}
fn state(&self) -> BackendConnectorState {
self.display.borrow().persistent.state.borrow().clone()
}
fn caps(&self) -> ConnectorCaps {
CONCAP_CONNECTOR | CONCAP_MODE_SETTING | CONCAP_PHYSICAL_DISPLAY
}

4
src/backends/x.rs
View file

@ -1113,6 +1113,10 @@ impl Connector for XOutput {
true
}
fn state(&self) -> BackendConnectorState {
self.state.borrow().clone()
}
fn transaction_type(&self) -> Box<dyn BackendConnectorTransactionTypeDyn> {
Box::new(XTransactionType)
}

21
src/compositor.rs
View file

@ -4,7 +4,7 @@ use {
crate::{
acceptor::{Acceptor, AcceptorError},
async_engine::{AsyncEngine, Phase, SpawnedFuture},
backend::{self, Backend, BackendConnectorState, BackendConnectorStateSerial, Connector},
backend::{Backend, Connector},
backends::{
dummy::{DummyBackend, DummyOutput},
metal, x,
@ -675,26 +675,9 @@ fn create_dummy_output(state: &Rc<State>) {
serial_number: "".to_string(),
});
let persistent_state = Rc::new(PersistentOutputState::default());
let mode = backend::Mode {
width: 0,
height: 0,
refresh_rate_millihz: 40_000,
};
let backend_state = BackendConnectorState {
serial: BackendConnectorStateSerial::from_raw(0),
enabled: true,
active: false,
mode,
non_desktop_override: None,
vrr: false,
tearing: false,
format: XRGB8888,
color_space: Default::default(),
eotf: Default::default(),
gamma_lut: Default::default(),
};
let id = state.connector_ids.next();
let connector = Rc::new(DummyOutput { id }) as Rc<dyn Connector>;
let backend_state = connector.state();
let name = Rc::new("Dummy".to_string());
let head_name = state.head_names.next();
let head_state = HeadState {

54
src/it/test_backend.rs
View file

@ -37,7 +37,15 @@ use {
},
ahash::AHashMap,
bstr::ByteSlice,
std::{any::Any, cell::Cell, error::Error, io, os::unix::ffi::OsStrExt, pin::Pin, rc::Rc},
std::{
any::Any,
cell::{Cell, RefCell},
error::Error,
io,
os::unix::ffi::OsStrExt,
pin::Pin,
rc::Rc,
},
thiserror::Error,
uapi::c,
};
@ -75,6 +83,24 @@ pub struct TestBackend {
impl TestBackend {
pub fn new(state: &Rc<State>, future: TestFuture) -> Self {
state.set_backend_idle(false);
let mode = Mode {
width: 800,
height: 600,
refresh_rate_millihz: 60_000,
};
let bcs = BackendConnectorState {
serial: state.backend_connector_state_serials.next(),
enabled: true,
active: true,
mode,
non_desktop_override: None,
vrr: false,
tearing: false,
format: XRGB8888,
color_space: Default::default(),
eotf: Default::default(),
gamma_lut: Default::default(),
};
let default_connector = Rc::new(TestConnector {
id: state.connector_ids.next(),
kernel_id: ConnectorKernelId {
@ -85,6 +111,7 @@ impl TestBackend {
feedback: Default::default(),
idle: Default::default(),
damage_calls: NumCell::new(0),
state: RefCell::new(bcs.clone()),
});
let default_mouse = Rc::new(TestBackendMouse {
common: TestInputDeviceCommon {
@ -120,11 +147,6 @@ impl TestBackend {
state: state.clone(),
},
});
let mode = Mode {
width: 800,
height: 600,
refresh_rate_millihz: 60_000,
};
let default_monitor_info = MonitorInfo {
modes: Some(vec![mode]),
output_id: Rc::new(OutputId {
@ -142,19 +164,7 @@ impl TestBackend {
color_spaces: vec![],
primaries: Primaries::SRGB,
luminance: None,
state: BackendConnectorState {
serial: state.backend_connector_state_serials.next(),
enabled: true,
active: true,
mode,
non_desktop_override: None,
vrr: false,
tearing: false,
format: XRGB8888,
color_space: Default::default(),
eotf: Default::default(),
gamma_lut: Default::default(),
},
state: bcs,
};
Self {
state: state.clone(),
@ -325,6 +335,7 @@ pub struct TestConnector {
pub feedback: CloneCell<Option<Rc<DrmFeedback>>>,
pub idle: TEEH<bool>,
pub damage_calls: NumCell<u32>,
pub state: RefCell<BackendConnectorState>,
}
impl Connector for TestConnector {
@ -357,6 +368,10 @@ impl Connector for TestConnector {
true
}
fn state(&self) -> BackendConnectorState {
self.state.borrow().clone()
}
fn drm_feedback(&self) -> Option<Rc<DrmFeedback>> {
self.feedback.get()
}
@ -404,6 +419,7 @@ impl BackendPreparedConnectorTransaction for TestBackendTransaction {
self: Box<Self>,
) -> Result<Box<dyn BackendAppliedConnectorTransaction>, BackendConnectorTransactionError> {
for (c, s) in self.connectors.values() {
*c.state.borrow_mut() = s.clone();
c.idle.push(!s.active);
}
Ok(self)

30
src/it/tests/t0034_workspace_restoration.rs
View file

@ -10,7 +10,7 @@ use {
utils::numcell::NumCell,
video::drm::ConnectorType,
},
std::rc::Rc,
std::{cell::RefCell, rc::Rc},
};
testcase!();
@ -27,6 +27,19 @@ async fn test(run: Rc<TestRun>) -> TestResult {
bail!("no dummy output");
};
let bcs = BackendConnectorState {
serial: run.state.backend_connector_state_serials.next(),
enabled: true,
active: true,
mode: Default::default(),
non_desktop_override: None,
vrr: false,
tearing: false,
format: XRGB8888,
color_space: Default::default(),
eotf: Default::default(),
gamma_lut: Default::default(),
};
let new_connector = Rc::new(TestConnector {
id: run.state.connector_ids.next(),
kernel_id: ConnectorKernelId {
@ -37,6 +50,7 @@ async fn test(run: Rc<TestRun>) -> TestResult {
feedback: Default::default(),
idle: Default::default(),
damage_calls: NumCell::new(0),
state: RefCell::new(bcs.clone()),
});
let new_monitor_info = MonitorInfo {
modes: Some(vec![]),
@ -55,19 +69,7 @@ async fn test(run: Rc<TestRun>) -> TestResult {
color_spaces: vec![],
primaries: Primaries::SRGB,
luminance: None,
state: BackendConnectorState {
serial: run.state.backend_connector_state_serials.next(),
enabled: true,
active: true,
mode: Default::default(),
non_desktop_override: None,
vrr: false,
tearing: false,
format: XRGB8888,
color_space: Default::default(),
eotf: Default::default(),
gamma_lut: Default::default(),
},
state: bcs,
};
run.backend
.state

20
src/tasks/connector.rs
View file

@ -1,11 +1,7 @@
use {
crate::{
backend::{
BackendConnectorState, BackendConnectorStateSerial, Connector, ConnectorEvent,
ConnectorId, MonitorInfo,
},
backend::{Connector, ConnectorEvent, ConnectorId, MonitorInfo},
control_center::CCI_OUTPUTS,
format::XRGB8888,
globals::GlobalName,
ifs::{
head_management::{HeadManagers, HeadState},
@ -35,19 +31,7 @@ pub fn handle(state: &Rc<State>, connector: &Rc<dyn Connector>) {
_ => panic!("connector's drm device does not exist"),
};
}
let backend_state = BackendConnectorState {
serial: BackendConnectorStateSerial::from_raw(0),
enabled: true,
active: false,
mode: Default::default(),
non_desktop_override: None,
vrr: false,
tearing: false,
format: XRGB8888,
color_space: Default::default(),
eotf: Default::default(),
gamma_lut: None,
};
let backend_state = connector.state();
let id = connector.id();
let name = Rc::new(connector.kernel_id().to_string());
let head_state = HeadState {