leyoda/cosmic-comp
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

kms: Fix VRR check having already missed the deadline

Browse source
This commit is contained in:
Victoria Brekenfeld 2025-04-24 18:58:32 +02:00 • committed by Victoria Brekenfeld
parent db25cc4b0b
commit 8aaaa12d5c
2 changed files with 27 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

26
src/backend/kms/surface/timings.rs
View file

@ -320,9 +320,9 @@ impl Timings {
}
}
pub fn past_min_presentation_time(&self, clock: &Clock<Monotonic>) -> bool {
pub fn past_min_render_time(&self, clock: &Clock<Monotonic>) -> bool {
let now: Duration = clock.now().into();
let Some(refresh_interval_ns) = self.min_refresh_interval_ns else {
let Some(min_refresh_interval_ns) = self.min_refresh_interval_ns else {
return true;
};
let Some(last_presentation_time): Option<Duration> = self
@ -333,13 +333,29 @@ impl Timings {
return true;
};
let refresh_interval_ns = refresh_interval_ns.get();
let min_refresh_interval_ns = min_refresh_interval_ns.get();
if now <= last_presentation_time {
return false;
}
let next = last_presentation_time + Duration::from_nanos(refresh_interval_ns);
now >= next
const MIN_MARGIN: Duration = Duration::from_millis(3);
let baseline = if let Some(refresh_interval_ns) = self.refresh_interval_ns {
MIN_MARGIN.max(Duration::from_nanos(refresh_interval_ns.get() / 2))
} else {
MIN_MARGIN
};
let next_presentation_time =
last_presentation_time + Duration::from_nanos(min_refresh_interval_ns);
let deadline = next_presentation_time.saturating_sub(
if let Some(avg_submittime) = self.avg_submittime(SAMPLE_TIME_WINDOW) {
avg_submittime
} else {
baseline
} + BASE_SAFETY_MARGIN,
);
now >= deadline
}
pub fn next_render_time(&self, clock: &Clock<Monotonic>) -> Duration {