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

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This commit is contained in:
John Reck
2021-07-08 15:04:16 +00:00
committed by Android (Google) Code Review
parent 04781ed449 b7039c6aa5
commit a8bb119574
2 changed files with 9 additions and 1 deletions
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9
core/java/android/view/ViewRootImpl.java
View File

@@ -252,6 +252,13 @@ public final class ViewRootImpl implements ViewParent,
*/ */
private static final boolean MT_RENDERER_AVAILABLE = true; 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 * 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. * 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, mInputEventReceiver = new WindowInputEventReceiver(inputChannel,
Looper.myLooper()); Looper.myLooper());
if (mAttachInfo.mThreadedRenderer != null) { if (ENABLE_INPUT_LATENCY_TRACKING && mAttachInfo.mThreadedRenderer != null) {
InputMetricsListener listener = new InputMetricsListener(); InputMetricsListener listener = new InputMetricsListener();
mHardwareRendererObserver = new HardwareRendererObserver( mHardwareRendererObserver = new HardwareRendererObserver(
listener, listener.data, mHandler, true /*waitForPresentTime*/); listener, listener.data, mHandler, true /*waitForPresentTime*/);

1
libs/hwui/renderthread/CanvasContext.cpp
View File

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