Cache frame event history producer-side.
* Producer maintains a recent history of frames.
* Producer only does a binder call if requested
informatiVon doesn't exist in the cache.
* Consumer sends fences to the producer, which
can be queried for timestamps without a
binder call.
Test: adb shell /data/nativetest/libgui_test/libgui_test
--gtest_filter=*GetFrameTimestamps*
Change-Id: I8a64579407cc2935f5c659462cb227b07ba27e43
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index 98ea053..b4d8685 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -407,12 +407,10 @@
void logFrameStats();
void getFrameStats(FrameStats* outStats) const;
-
std::vector<OccupancyTracker::Segment> getOccupancyHistory(bool forceFlush);
- bool addAndGetFrameTimestamps(
- const NewFrameEventsEntry* newTimestamps,
- uint64_t frameNumber, FrameTimestamps* outTimestamps);
+ void addAndGetFrameTimestamps(const NewFrameEventsEntry* newEntry,
+ FrameEventHistoryDelta* outDelta);
bool getTransformToDisplayInverse() const;
@@ -587,7 +585,7 @@
// Timestamp history for the consumer to query.
// Accessed by both consumer and producer on main and binder threads.
Mutex mFrameEventHistoryMutex;
- FrameEventHistory mFrameEventHistory;
+ ConsumerFrameEventHistory mFrameEventHistory;
// main thread
sp<GraphicBuffer> mActiveBuffer;