Merge "Reduce number of weakrefs per frame" into sc-dev (a8bb1195) · Commits · e / os / android_frameworks_base

core/java/android/view/ViewRootImpl.java

+8 −1

Original line number	Diff line number	Diff line
		@@ -252,6 +252,13 @@ public final class ViewRootImpl implements ViewParent,
		*/
		private static final boolean MT_RENDERER_AVAILABLE = true;

		/**
		* Whether or not to report end-to-end input latency. Disabled temporarily as a
		* risk mitigation against potential jank caused by acquiring a weak reference
		* per frame
		*/
		private static final boolean ENABLE_INPUT_LATENCY_TRACKING = false;

		/**
		* Set this system property to true to force the view hierarchy to render
		* at 60 Hz. This can be used to measure the potential framerate.
		@@ -1207,7 +1214,7 @@ public final class ViewRootImpl implements ViewParent,
		mInputEventReceiver = new WindowInputEventReceiver(inputChannel,
		Looper.myLooper());

		if (mAttachInfo.mThreadedRenderer != null) {
		if (ENABLE_INPUT_LATENCY_TRACKING && mAttachInfo.mThreadedRenderer != null) {
		InputMetricsListener listener = new InputMetricsListener();
		mHardwareRendererObserver = new HardwareRendererObserver(
		listener, listener.data, mHandler, true /waitForPresentTime/);

+1 −0

Original line number	Diff line number	Diff line
		@@ -644,6 +644,7 @@ void CanvasContext::reportMetricsWithPresentTime() {
		if (mNativeSurface == nullptr) {
		return;
		}
		ATRACE_CALL();
		FrameInfo* forthBehind;
		int64_t frameNumber;
		{ // acquire lock