SF: VSyncReactor add timestamp querying functions
Adds 2 more functions from the DispSync interface to VSyncReactor,
computeNextRefresh, and expectedPresentTime
Bug: 140303479
Test: 3 new units
Change-Id: I75ea79ed749f05daf3337ddc8ca145e2ecceabcd
diff --git a/services/surfaceflinger/Scheduler/VSyncTracker.h b/services/surfaceflinger/Scheduler/VSyncTracker.h
index 97b9620..335042d 100644
--- a/services/surfaceflinger/Scheduler/VSyncTracker.h
+++ b/services/surfaceflinger/Scheduler/VSyncTracker.h
@@ -47,6 +47,13 @@
*/
virtual nsecs_t nextAnticipatedVSyncTimeFrom(nsecs_t timePoint) const = 0;
+ /*
+ * The current period of the vsync signal.
+ *
+ * \return The current period of the vsync signal
+ */
+ virtual nsecs_t currentPeriod() const = 0;
+
protected:
VSyncTracker(VSyncTracker const&) = delete;
VSyncTracker& operator=(VSyncTracker const&) = delete;