diff options
Diffstat (limited to 'services/surfaceflinger/DispSync.h')
| -rw-r--r-- | services/surfaceflinger/DispSync.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/services/surfaceflinger/DispSync.h b/services/surfaceflinger/DispSync.h index c2ae135..5826a78 100644 --- a/services/surfaceflinger/DispSync.h +++ b/services/surfaceflinger/DispSync.h @@ -83,7 +83,7 @@ public: bool addResyncSample(nsecs_t timestamp); void endResync(); - // The setPreiod method sets the vsync event model's period to a specific + // The setPeriod method sets the vsync event model's period to a specific // value. This should be used to prime the model when a display is first // turned on. It should NOT be used after that. void setPeriod(nsecs_t period); @@ -102,6 +102,12 @@ public: // DispSync object. status_t removeEventListener(const sp<Callback>& callback); + // computeNextRefresh computes when the next refresh is expected to begin. + // The periodOffset value can be used to move forward or backward; an + // offset of zero is the next refresh, -1 is the previous refresh, 1 is + // the refresh after next. etc. + nsecs_t computeNextRefresh(int periodOffset) const; + private: void updateModelLocked(); |