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.cpp b/services/surfaceflinger/Scheduler/VsyncSchedule.cpp
index 001938c..2fa3318 100644
--- a/services/surfaceflinger/Scheduler/VsyncSchedule.cpp
+++ b/services/surfaceflinger/Scheduler/VsyncSchedule.cpp
@@ -120,8 +120,8 @@
constexpr size_t kMinSamplesForPrediction = 6;
constexpr uint32_t kDiscardOutlierPercent = 20;
- return std::make_unique<VSyncPredictor>(modePtr, kHistorySize, kMinSamplesForPrediction,
- kDiscardOutlierPercent);
+ return std::make_unique<VSyncPredictor>(std::make_unique<SystemClock>(), modePtr, kHistorySize,
+ kMinSamplesForPrediction, kDiscardOutlierPercent);
}
VsyncSchedule::DispatchPtr VsyncSchedule::createDispatch(TrackerPtr tracker) {