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Commit bc120be8 authored by Dan Stoza's avatar Dan Stoza Committed by Android Git Automerger
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am 2121b937: am 04eeb288: am 50be1df7: Merge "SF: Track missed frames and... 

am 2121b937: am 04eeb288: am 50be1df7: Merge "SF: Track missed frames and optionally drop them" into mnc-dr-dev

* commit '2121b937':
  SF: Track missed frames and optionally drop them
parents 946fa817 2121b937

services/surfaceflinger/SurfaceFlinger.cpp

+28 −6
Original line number Original line Diff line number Diff line
@@ -163,6 +163,9 @@ SurfaceFlinger::SurfaceFlinger() 
    property_get("ro.bq.gpu_to_cpu_unsupported", value, "0");

    property_get("ro.bq.gpu_to_cpu_unsupported", value, "0");

    mGpuToCpuSupported = !atoi(value);

    mGpuToCpuSupported = !atoi(value);





    property_get("debug.sf.drop_missed_frames", value, "0");

    mDropMissedFrames = atoi(value);



    property_get("debug.sf.showupdates", value, "0");

    property_get("debug.sf.showupdates", value, "0");

    mDebugRegion = atoi(value);

    mDebugRegion = atoi(value);
@@ -919,6 +922,22 @@ bool SurfaceFlinger::handleMessageInvalidate() { 




void SurfaceFlinger::handleMessageRefresh() {

void SurfaceFlinger::handleMessageRefresh() {

    ATRACE_CALL();

    ATRACE_CALL();



    static nsecs_t previousExpectedPresent = 0;

    nsecs_t expectedPresent = mPrimaryDispSync.computeNextRefresh(0);

    static bool previousFrameMissed = false;

    bool frameMissed = (expectedPresent == previousExpectedPresent);

    if (frameMissed != previousFrameMissed) {

        ATRACE_INT("FrameMissed", static_cast<int>(frameMissed));

    }

    previousFrameMissed = frameMissed;



    if (CC_UNLIKELY(mDropMissedFrames && frameMissed)) {

        // Latch buffers, but don't send anything to HWC, then signal another

        // wakeup for the next vsync

        preComposition();

        repaintEverything();

    } else {

        preComposition();

        preComposition();

        rebuildLayerStacks();

        rebuildLayerStacks();

        setUpHWComposer();

        setUpHWComposer();
@@ -927,6 +946,9 @@ void SurfaceFlinger::handleMessageRefresh() { 
        postComposition();

        postComposition();

    }

    }





    previousExpectedPresent = mPrimaryDispSync.computeNextRefresh(0);

}



void SurfaceFlinger::doDebugFlashRegions()

void SurfaceFlinger::doDebugFlashRegions()

{

{

    // is debugging enabled

    // is debugging enabled

services/surfaceflinger/SurfaceFlinger.h

+1 −0
Original line number Original line Diff line number Diff line
@@ -445,6 +445,7 @@ private: 
    RenderEngine* mRenderEngine;

    RenderEngine* mRenderEngine;

    nsecs_t mBootTime;

    nsecs_t mBootTime;

    bool mGpuToCpuSupported;

    bool mGpuToCpuSupported;

    bool mDropMissedFrames;

    sp<EventThread> mEventThread;

    sp<EventThread> mEventThread;

    sp<EventThread> mSFEventThread;

    sp<EventThread> mSFEventThread;

    sp<EventControlThread> mEventControlThread;

    sp<EventControlThread> mEventControlThread;