Add frame timeline method to ASurfaceControl NDK.
Bug: 198192003
Test: atest ASurfaceControlTest
perfetto trace
Change-Id: I04310bd9190cfc227ff5ba892c7187d3b8a20463
diff --git a/include/android/surface_control.h b/include/android/surface_control.h
index 059bc41..3a13104 100644
--- a/include/android/surface_control.h
+++ b/include/android/surface_control.h
@@ -595,6 +595,15 @@
bool enableBackPressure)
__INTRODUCED_IN(31);
+/**
+ * Sets the frame timeline to use.
+ *
+ * \param vsyncId The vsync ID received from AChoreographer, setting the frame's present target to
+ * the corresponding expected present time and deadline from the frame to be rendered.
+ */
+void ASurfaceTransaction_setFrameTimeline(ASurfaceTransaction* transaction,
+ int64_t vsyncId) __INTRODUCED_IN(33);
+
__END_DECLS
#endif // ANDROID_SURFACE_CONTROL_H
diff --git a/libs/gui/FrameTimelineInfo.cpp b/libs/gui/FrameTimelineInfo.cpp
index 9231a57..3800b88 100644
--- a/libs/gui/FrameTimelineInfo.cpp
+++ b/libs/gui/FrameTimelineInfo.cpp
@@ -33,12 +33,14 @@
status_t FrameTimelineInfo::write(Parcel& output) const {
SAFE_PARCEL(output.writeInt64, vsyncId);
SAFE_PARCEL(output.writeInt32, inputEventId);
+ SAFE_PARCEL(output.writeInt64, startTimeNanos);
return NO_ERROR;
}
status_t FrameTimelineInfo::read(const Parcel& input) {
SAFE_PARCEL(input.readInt64, &vsyncId);
SAFE_PARCEL(input.readInt32, &inputEventId);
+ SAFE_PARCEL(input.readInt64, &startTimeNanos);
return NO_ERROR;
}
@@ -48,16 +50,19 @@
if (other.vsyncId > vsyncId) {
vsyncId = other.vsyncId;
inputEventId = other.inputEventId;
+ startTimeNanos = other.startTimeNanos;
}
} else if (vsyncId == INVALID_VSYNC_ID) {
vsyncId = other.vsyncId;
inputEventId = other.inputEventId;
+ startTimeNanos = other.startTimeNanos;
}
}
void FrameTimelineInfo::clear() {
vsyncId = INVALID_VSYNC_ID;
inputEventId = IInputConstants::INVALID_INPUT_EVENT_ID;
+ startTimeNanos = 0;
}
}; // namespace android
diff --git a/libs/gui/Surface.cpp b/libs/gui/Surface.cpp
index 353a91d..20c4146 100644
--- a/libs/gui/Surface.cpp
+++ b/libs/gui/Surface.cpp
@@ -1846,9 +1846,10 @@
ATRACE_CALL();
auto frameTimelineVsyncId = static_cast<int64_t>(va_arg(args, int64_t));
auto inputEventId = static_cast<int32_t>(va_arg(args, int32_t));
+ auto startTimeNanos = static_cast<int64_t>(va_arg(args, int64_t));
ALOGV("Surface::%s", __func__);
- return setFrameTimelineInfo({frameTimelineVsyncId, inputEventId});
+ return setFrameTimelineInfo({frameTimelineVsyncId, inputEventId, startTimeNanos});
}
bool Surface::transformToDisplayInverse() const {
diff --git a/libs/gui/include/gui/FrameTimelineInfo.h b/libs/gui/include/gui/FrameTimelineInfo.h
index a23c202..255ce56 100644
--- a/libs/gui/include/gui/FrameTimelineInfo.h
+++ b/libs/gui/include/gui/FrameTimelineInfo.h
@@ -36,6 +36,9 @@
// not directly vendor available.
int32_t inputEventId = 0;
+ // The current time in nanoseconds the application started to render the frame.
+ int64_t startTimeNanos = 0;
+
status_t write(Parcel& output) const;
status_t read(const Parcel& input);
diff --git a/libs/nativewindow/include/system/window.h b/libs/nativewindow/include/system/window.h
index 0bc2b5d..a319769 100644
--- a/libs/nativewindow/include/system/window.h
+++ b/libs/nativewindow/include/system/window.h
@@ -1025,10 +1025,11 @@
}
static inline int native_window_set_frame_timeline_info(struct ANativeWindow* window,
- int64_t frameTimelineVsyncId,
- int32_t inputEventId) {
- return window->perform(window, NATIVE_WINDOW_SET_FRAME_TIMELINE_INFO,
- frameTimelineVsyncId, inputEventId);
+ int64_t frameTimelineVsyncId,
+ int32_t inputEventId,
+ int64_t startTimeNanos) {
+ return window->perform(window, NATIVE_WINDOW_SET_FRAME_TIMELINE_INFO, frameTimelineVsyncId,
+ inputEventId, startTimeNanos);
}
// ------------------------------------------------------------------------------------------------
diff --git a/services/surfaceflinger/FrameTimeline/FrameTimeline.cpp b/services/surfaceflinger/FrameTimeline/FrameTimeline.cpp
index 0c4e112..86e96d7 100644
--- a/services/surfaceflinger/FrameTimeline/FrameTimeline.cpp
+++ b/services/surfaceflinger/FrameTimeline/FrameTimeline.cpp
@@ -667,7 +667,8 @@
packet->set_timestamp(
static_cast<uint64_t>(endTime - kPredictionExpiredStartTimeDelta));
} else {
- packet->set_timestamp(static_cast<uint64_t>(mPredictions.startTime));
+ packet->set_timestamp(static_cast<uint64_t>(
+ mActuals.startTime == 0 ? mPredictions.startTime : mActuals.startTime));
}
auto* event = packet->set_frame_timeline_event();
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 495d585..c3b2fa5 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -1253,6 +1253,7 @@
getSequence(), mName,
mTransactionName,
/*isBuffer*/ false, getGameMode());
+ surfaceFrame->setActualStartTime(info.startTimeNanos);
// For Transactions, the post time is considered to be both queue and acquire fence time.
surfaceFrame->setActualQueueTime(postTime);
surfaceFrame->setAcquireFenceTime(postTime);
@@ -1270,6 +1271,7 @@
mFlinger->mFrameTimeline->createSurfaceFrameForToken(info, mOwnerPid, mOwnerUid,
getSequence(), mName, debugName,
/*isBuffer*/ true, getGameMode());
+ surfaceFrame->setActualStartTime(info.startTimeNanos);
// For buffers, acquire fence time will set during latch.
surfaceFrame->setActualQueueTime(queueTime);
const auto fps = mFlinger->mScheduler->getFrameRateOverride(getOwnerUid());