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Commit ec523137 authored by Huihong Luo's avatar Huihong Luo Committed by Automerger Merge Worker
Browse files

Merge "Re-introduce debug.sf.latch_unsignaled" into sc-dev am: 623322a8 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/15004490

Change-Id: Ie60725a50c12f929a9ff2bc181e360edc46a33f2
parents 438d3529 623322a8

services/surfaceflinger/BufferQueueLayer.cpp

+6 −1
Original line number Diff line number Diff line
@@ -125,11 +125,16 @@ bool BufferQueueLayer::isBufferDue(nsecs_t expectedPresentTime) const { 
// -----------------------------------------------------------------------



bool BufferQueueLayer::fenceHasSignaled() const {

    Mutex::Autolock lock(mQueueItemLock);



    if (SurfaceFlinger::enableLatchUnsignaled) {

        return true;

    }



    if (!hasFrameUpdate()) {

        return true;

    }



    Mutex::Autolock lock(mQueueItemLock);

    if (mQueueItems[0].item.mIsDroppable) {

        // Even though this buffer's fence may not have signaled yet, it could

        // be replaced by another buffer before it has a chance to, which means

services/surfaceflinger/BufferStateLayer.cpp

+4 −0
Original line number Diff line number Diff line
@@ -635,6 +635,10 @@ FloatRect BufferStateLayer::computeSourceBounds(const FloatRect& parentBounds) c 
// Interface implementation for BufferLayer

// -----------------------------------------------------------------------

bool BufferStateLayer::fenceHasSignaled() const {

    if (SurfaceFlinger::enableLatchUnsignaled) {

        return true;

    }



    const bool fenceSignaled =

            getDrawingState().acquireFence->getStatus() == Fence::Status::Signaled;

    if (!fenceSignaled) {

services/surfaceflinger/SurfaceFlinger.cpp

+4 −1
Original line number Diff line number Diff line
@@ -310,6 +310,7 @@ Dataspace SurfaceFlinger::wideColorGamutCompositionDataspace = Dataspace::V0_SRG 
ui::PixelFormat SurfaceFlinger::wideColorGamutCompositionPixelFormat = ui::PixelFormat::RGBA_8888;

bool SurfaceFlinger::useFrameRateApi;

bool SurfaceFlinger::enableSdrDimming;

bool SurfaceFlinger::enableLatchUnsignaled;



std::string decodeDisplayColorSetting(DisplayColorSetting displayColorSetting) {

    switch(displayColorSetting) {
@@ -479,6 +480,8 @@ SurfaceFlinger::SurfaceFlinger(Factory& factory) : SurfaceFlinger(factory, SkipI 


    // Debug property overrides ro. property

    enableSdrDimming = property_get_bool("debug.sf.enable_sdr_dimming", enable_sdr_dimming(false));



    enableLatchUnsignaled = base::GetBoolProperty("debug.sf.latch_unsignaled"s, false);

}



SurfaceFlinger::~SurfaceFlinger() = default;
@@ -3566,7 +3569,7 @@ bool SurfaceFlinger::transactionIsReadyToBeApplied( 
    for (const ComposerState& state : states) {

        const layer_state_t& s = state.state;

        const bool acquireFenceChanged = (s.what & layer_state_t::eAcquireFenceChanged);

        if (acquireFenceChanged && s.acquireFence &&

        if (acquireFenceChanged && s.acquireFence && !enableLatchUnsignaled &&

            s.acquireFence->getStatus() == Fence::Status::Unsignaled) {

            ATRACE_NAME("fence unsignaled");

            return false;

services/surfaceflinger/SurfaceFlinger.h

+2 −0
Original line number Diff line number Diff line
@@ -270,6 +270,8 @@ public: 
    // being treated as native display brightness

    static bool enableSdrDimming;



    static bool enableLatchUnsignaled;



    // must be called before clients can connect

    void init() ANDROID_API;