Framework code for Attached Choreographer.
Allows a direct association of a Layer (via LayerHistory) to attached
choreographer.
The EventThread checks whether the vsync is in phase for a
choreographer.
Bug: 255838011
Test: atest AttachedChoreographerNativeTest
Change-Id: I9cb35bced5e6d4509609ad7698ab2902a31d5b98
diff --git a/services/surfaceflinger/Scheduler/EventThread.cpp b/services/surfaceflinger/Scheduler/EventThread.cpp
index 76e9416..5e79a5c 100644
--- a/services/surfaceflinger/Scheduler/EventThread.cpp
+++ b/services/surfaceflinger/Scheduler/EventThread.cpp
@@ -532,6 +532,12 @@
const sp<EventThreadConnection>& connection) const {
const auto throttleVsync = [&] {
const auto& vsyncData = event.vsync.vsyncData;
+ if (connection->frameRate.isValid()) {
+ return !mVsyncSchedule->getTracker()
+ .isVSyncInPhase(vsyncData.preferredExpectedPresentationTime(),
+ connection->frameRate);
+ }
+
const auto expectedPresentTime =
TimePoint::fromNs(vsyncData.preferredExpectedPresentationTime());
return !mEventThreadCallback.isVsyncTargetForUid(expectedPresentTime,