SF: Introduce VsyncTimeline to VsyncPredictor
Add the concept of timeline freezing when switching render rate.
This allow us to change render rates in sync with the app and remain
jank free across render rate changes.
Bug: 326599221
Test: Run TouchLatency, change render rate and examine Perfetto trace
Change-Id: Ibc8026434c0c1d50138299da3cb110b317604e92
diff --git a/services/surfaceflinger/Scheduler/VsyncSchedule.h b/services/surfaceflinger/Scheduler/VsyncSchedule.h
index 85cd3e7..881d678 100644
--- a/services/surfaceflinger/Scheduler/VsyncSchedule.h
+++ b/services/surfaceflinger/Scheduler/VsyncSchedule.h
@@ -81,7 +81,7 @@
bool addResyncSample(TimePoint timestamp, ftl::Optional<Period> hwcVsyncPeriod);
// TODO(b/185535769): Hide behind API.
- const VsyncTracker& getTracker() const { return *mTracker; }
+ VsyncTracker& getTracker() const { return *mTracker; }
VsyncTracker& getTracker() { return *mTracker; }
VsyncController& getController() { return *mController; }