Fix getLatestVsyncEventData deadline.
Bug: 239775097
Test: atest libsurfaceflinger_unittest
Test: pixel 4xl camera preview test (see bug)
Change-Id: Ib92849291458f59c2ef2238d3586211b87174c7f
(cherry picked from commit 0679cf200ea30c2e791cd79b27a26676e8848932)
Merged-In: Ib92849291458f59c2ef2238d3586211b87174c7f
diff --git a/services/surfaceflinger/Scheduler/DispSyncSource.cpp b/services/surfaceflinger/Scheduler/DispSyncSource.cpp
index 747032b..4af1f5c 100644
--- a/services/surfaceflinger/Scheduler/DispSyncSource.cpp
+++ b/services/surfaceflinger/Scheduler/DispSyncSource.cpp
@@ -188,10 +188,10 @@
VSyncSource::VSyncData DispSyncSource::getLatestVSyncData() const {
std::lock_guard lock(mVsyncMutex);
- nsecs_t expectedPresentTime = mVSyncTracker.nextAnticipatedVSyncTimeFrom(
+ nsecs_t expectedPresentationTime = mVSyncTracker.nextAnticipatedVSyncTimeFrom(
systemTime() + mWorkDuration.get().count() + mReadyDuration.count());
- nsecs_t deadline = expectedPresentTime - mWorkDuration.get().count() - mReadyDuration.count();
- return {expectedPresentTime, deadline};
+ nsecs_t deadline = expectedPresentationTime - mReadyDuration.count();
+ return {expectedPresentationTime, deadline};
}
void DispSyncSource::dump(std::string& result) const {
diff --git a/services/surfaceflinger/tests/unittests/DispSyncSourceTest.cpp b/services/surfaceflinger/tests/unittests/DispSyncSourceTest.cpp
index ec27eda..67ace1a 100644
--- a/services/surfaceflinger/tests/unittests/DispSyncSourceTest.cpp
+++ b/services/surfaceflinger/tests/unittests/DispSyncSourceTest.cpp
@@ -292,9 +292,10 @@
TEST_F(DispSyncSourceTest, getLatestVsyncData) {
const nsecs_t now = systemTime();
- const nsecs_t vsyncInternalDuration = mWorkDuration.count() + mReadyDuration.count();
+ const nsecs_t expectedPresentationTime =
+ now + mWorkDuration.count() + mReadyDuration.count() + 1;
EXPECT_CALL(*mVSyncTracker, nextAnticipatedVSyncTimeFrom(_))
- .WillOnce(Return(now + vsyncInternalDuration + 1));
+ .WillOnce(Return(expectedPresentationTime));
{
InSequence seq;
EXPECT_CALL(*mVSyncDispatch, registerCallback(_, mName)).Times(1);
@@ -306,10 +307,8 @@
EXPECT_TRUE(mDispSyncSource);
const auto vsyncData = mDispSyncSource->getLatestVSyncData();
- ASSERT_GT(vsyncData.deadlineTimestamp, now);
- ASSERT_GT(vsyncData.expectedPresentationTime, vsyncData.deadlineTimestamp);
- EXPECT_EQ(vsyncData.deadlineTimestamp,
- vsyncData.expectedPresentationTime - vsyncInternalDuration);
+ ASSERT_EQ(vsyncData.expectedPresentationTime, expectedPresentationTime);
+ EXPECT_EQ(vsyncData.deadlineTimestamp, expectedPresentationTime - mReadyDuration.count());
}
} // namespace
