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Commit fda098ea authored by John Reck's avatar John Reck Committed by Automerger Merge Worker
Browse files

Merge "Reduce number of weakrefs per frame" into sc-dev am: a8bb1195 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15226230

Change-Id: If4c89789bf887a3bf4773cd73e42d8c0677a34c7
parents 80496e6e a8bb1195

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*/);

libs/hwui/renderthread/CanvasContext.cpp

+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