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add dropped frame count to FPS overlay

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Differential Revision: D2476082

committer: Service User <svcscm@fb.com>
This commit is contained in:
Martin Konicek
2015-09-24 09:46:08 -07:00
committed by facebook-github-bot-7
parent bdb11c05a8
commit dfbee9f558
3 changed files with 32 additions and 10 deletions
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19
ReactAndroid/src/main/java/com/facebook/react/modules/debug/FpsDebugFrameCallback.java
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@@ -41,6 +41,7 @@ public class FpsDebugFrameCallback implements Choreographer.FrameCallback {
public final int totalFrames;
public final int totalJsFrames;
public final int totalExpectedFrames;
public final int total4PlusFrameStutters;
public final double fps;
public final double jsFps;
public final int totalTimeMs;
@@ -49,12 +50,14 @@ public class FpsDebugFrameCallback implements Choreographer.FrameCallback {
int totalFrames,
int totalJsFrames,
int totalExpectedFrames,
int total4PlusFrameStutters,
double fps,
double jsFps,
int totalTimeMs) {
this.totalFrames = totalFrames;
this.totalJsFrames = totalJsFrames;
this.totalExpectedFrames = totalExpectedFrames;
this.total4PlusFrameStutters = total4PlusFrameStutters;
this.fps = fps;
this.jsFps = jsFps;
this.totalTimeMs = totalTimeMs;
@@ -72,6 +75,8 @@ public class FpsDebugFrameCallback implements Choreographer.FrameCallback {
private long mFirstFrameTime = -1;
private long mLastFrameTime = -1;
private int mNumFrameCallbacks = 0;
private int mExpectedNumFramesPrev = 0;
private int m4PlusFrameStutters = 0;
private int mNumFrameCallbacksWithBatchDispatches = 0;
private boolean mIsRecordingFpsInfoAtEachFrame = false;
private @Nullable TreeMap<Long, FpsInfo> mTimeToFps;
@@ -103,18 +108,25 @@ public class FpsDebugFrameCallback implements Choreographer.FrameCallback {
}
mNumFrameCallbacks++;
int expectedNumFrames = getExpectedNumFrames();
int framesDropped = expectedNumFrames - mExpectedNumFramesPrev - 1;
if (framesDropped >= 4) {
m4PlusFrameStutters++;
}
if (mIsRecordingFpsInfoAtEachFrame) {
Assertions.assertNotNull(mTimeToFps);
FpsInfo info = new FpsInfo(
getNumFrames(),
getNumJSFrames(),
getExpectedNumFrames(),
expectedNumFrames,
m4PlusFrameStutters,
getFPS(),
getJSFPS(),
getTotalTimeMS());
mTimeToFps.put(System.currentTimeMillis(), info);
}
mExpectedNumFramesPrev = expectedNumFrames;
mChoreographer.postFrameCallback(this);
}
@@ -168,6 +180,10 @@ public class FpsDebugFrameCallback implements Choreographer.FrameCallback {
return expectedFrames;
}
public int get4PlusFrameStutters() {
return m4PlusFrameStutters;
}
public int getTotalTimeMS() {
return (int) ((double) mLastFrameTime - mFirstFrameTime) / 1000000;
}
@@ -189,6 +205,7 @@ public class FpsDebugFrameCallback implements Choreographer.FrameCallback {
mFirstFrameTime = -1;
mLastFrameTime = -1;
mNumFrameCallbacks = 0;
m4PlusFrameStutters = 0;
mNumFrameCallbacksWithBatchDispatches = 0;
mIsRecordingFpsInfoAtEachFrame = false;
mTimeToFps = null;