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/include/gui/BufferQueueProducer.h b/include/gui/BufferQueueProducer.h
index 9cfb383..e6ee6c6 100644
--- a/include/gui/BufferQueueProducer.h
+++ b/include/gui/BufferQueueProducer.h
@@ -177,8 +177,7 @@
sp<Fence>* outFence, float outTransformMatrix[16]) override;
// See IGraphicBufferProducer::getFrameTimestamps
- virtual bool getFrameTimestamps(uint64_t frameNumber,
- FrameTimestamps* outTimestamps) override;
+ virtual void getFrameTimestamps(FrameEventHistoryDelta* outDelta) override;
// See IGraphicBufferProducer::getUniqueId
virtual status_t getUniqueId(uint64_t* outId) const override;
@@ -195,9 +194,8 @@
// BufferQueueCore::INVALID_BUFFER_SLOT otherwise
int getFreeSlotLocked() const;
- bool addAndGetFrameTimestamps(
- const NewFrameEventsEntry* newTimestamps,
- uint64_t frameNumber, FrameTimestamps* outTimestamps);
+ void addAndGetFrameTimestamps(const NewFrameEventsEntry* newTimestamps,
+ FrameEventHistoryDelta* outDelta);
// waitForFreeSlotThenRelock finds the oldest slot in the FREE state. It may
// block if there are no available slots and we are not in non-blocking