diff options
| author | John Reck <jreck@google.com> | 2020-02-03 16:47:12 -0800 |
|---|---|---|
| committer | John Reck <jreck@google.com> | 2020-02-03 16:47:12 -0800 |
| commit | 56cffe5b6a0c4bca1b926d9d80c9298122e4a573 (patch) | |
| tree | 9de4171ebc9d4ee681337d181fac4cf8fadbd9a9 /libs/hwui/renderthread | |
| parent | d1ab76705a30663a81101bcf8361770c94f8330f (diff) | |
Adjust present time calculation
Adjust the target present time when using
render_ahead to better fit in the gaps between
vsync pulses. This prevents small clock
drifts from causing jank.
Bug: 143540628
Test: manual, looked at systrace
Change-Id: I26ae6ebf16a3dea48dfd8e1c420d9e5e43e42bcb
Diffstat (limited to 'libs/hwui/renderthread')
| -rw-r--r-- | libs/hwui/renderthread/CanvasContext.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libs/hwui/renderthread/CanvasContext.cpp b/libs/hwui/renderthread/CanvasContext.cpp index 699b96a685c9..2b48c3581933 100644 --- a/libs/hwui/renderthread/CanvasContext.cpp +++ b/libs/hwui/renderthread/CanvasContext.cpp @@ -429,7 +429,8 @@ void CanvasContext::setPresentTime() { if (renderAhead) { presentTime = mCurrentFrameInfo->get(FrameInfoIndex::Vsync) + - (frameIntervalNanos * (renderAhead + 1)); + (frameIntervalNanos * (renderAhead + 1)) - DeviceInfo::get()->getAppOffset() + + (frameIntervalNanos / 2); } native_window_set_buffers_timestamp(mNativeSurface->getNativeWindow(), presentTime); } |