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Commit a7be518c authored by TreeHugger Robot's avatar TreeHugger Robot Committed by Android (Google) Code Review
Browse files

Merge "Move mSurfaceFlingerConsumer into BufferLayer"

parents 817112a0 eb085e0c

services/surfaceflinger/BufferLayer.cpp

+135 −40
Original line number Diff line number Diff line
@@ -53,6 +53,7 @@ namespace android { 
BufferLayer::BufferLayer(SurfaceFlinger* flinger, const sp<Client>& client, const String8& name,

                         uint32_t w, uint32_t h, uint32_t flags)

      : Layer(flinger, client, name, w, h, flags),

        mSurfaceFlingerConsumer(nullptr),

        mTextureName(-1U),

        mFormat(PIXEL_FORMAT_NONE),

        mCurrentScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
@@ -99,6 +100,18 @@ BufferLayer::~BufferLayer() { 
#endif

}



void BufferLayer::useSurfaceDamage() {

    if (mFlinger->mForceFullDamage) {

        surfaceDamageRegion = Region::INVALID_REGION;

    } else {

        surfaceDamageRegion = mSurfaceFlingerConsumer->getSurfaceDamage();

    }

}



void BufferLayer::useEmptyDamage() {

    surfaceDamageRegion.clear();

}



bool BufferLayer::isProtected() const {

    const sp<GraphicBuffer>& activeBuffer(mActiveBuffer);

    return (activeBuffer != 0) && (activeBuffer->getUsage() & GRALLOC_USAGE_PROTECTED);
@@ -252,6 +265,54 @@ void BufferLayer::onDraw(const RenderArea& renderArea, const Region& clip, 
    engine.disableTexturing();

}



#ifdef USE_HWC2

void BufferLayer::onLayerDisplayed(const sp<Fence>& releaseFence) {

    if (mHwcLayers.empty()) {

        return;

    }

    mSurfaceFlingerConsumer->setReleaseFence(releaseFence);

}

#else

void BufferLayer::onLayerDisplayed(const sp<const DisplayDevice>& /*hw*/,

                                   HWComposer::HWCLayerInterface* layer) {

    if (layer) {

        layer->onDisplayed();

        mSurfaceFlingerConsumer->setReleaseFence(layer->getAndResetReleaseFence());

    }

}

#endif



void BufferLayer::abandon() {

    mSurfaceFlingerConsumer->abandon();

}



bool BufferLayer::shouldPresentNow(const DispSync& dispSync) const {

    if (mSidebandStreamChanged || mAutoRefresh) {

        return true;

    }



    Mutex::Autolock lock(mQueueItemLock);

    if (mQueueItems.empty()) {

        return false;

    }

    auto timestamp = mQueueItems[0].mTimestamp;

    nsecs_t expectedPresent = mSurfaceFlingerConsumer->computeExpectedPresent(dispSync);



    // Ignore timestamps more than a second in the future

    bool isPlausible = timestamp < (expectedPresent + s2ns(1));

    ALOGW_IF(!isPlausible,

             "[%s] Timestamp %" PRId64 " seems implausible "

             "relative to expectedPresent %" PRId64,

             mName.string(), timestamp, expectedPresent);



    bool isDue = timestamp < expectedPresent;

    return isDue || !isPlausible;

}



void BufferLayer::setTransformHint(uint32_t orientation) const {

    mSurfaceFlingerConsumer->setTransformHint(orientation);

}



bool BufferLayer::onPreComposition(nsecs_t refreshStartTime) {

    if (mBufferLatched) {

        Mutex::Autolock lock(mFrameEventHistoryMutex);
@@ -260,6 +321,60 @@ bool BufferLayer::onPreComposition(nsecs_t refreshStartTime) { 
    mRefreshPending = false;

    return mQueuedFrames > 0 || mSidebandStreamChanged || mAutoRefresh;

}

bool BufferLayer::onPostComposition(const std::shared_ptr<FenceTime>& glDoneFence,

                                    const std::shared_ptr<FenceTime>& presentFence,

                                    const CompositorTiming& compositorTiming) {

    // mFrameLatencyNeeded is true when a new frame was latched for the

    // composition.

    if (!mFrameLatencyNeeded) return false;



    // Update mFrameEventHistory.

    {

        Mutex::Autolock lock(mFrameEventHistoryMutex);

        mFrameEventHistory.addPostComposition(mCurrentFrameNumber, glDoneFence, presentFence,

                                              compositorTiming);

    }



    // Update mFrameTracker.

    nsecs_t desiredPresentTime = mSurfaceFlingerConsumer->getTimestamp();

    mFrameTracker.setDesiredPresentTime(desiredPresentTime);



    std::shared_ptr<FenceTime> frameReadyFence = mSurfaceFlingerConsumer->getCurrentFenceTime();

    if (frameReadyFence->isValid()) {

        mFrameTracker.setFrameReadyFence(std::move(frameReadyFence));

    } else {

        // There was no fence for this frame, so assume that it was ready

        // to be presented at the desired present time.

        mFrameTracker.setFrameReadyTime(desiredPresentTime);

    }



    if (presentFence->isValid()) {

        mFrameTracker.setActualPresentFence(std::shared_ptr<FenceTime>(presentFence));

    } else {

        // The HWC doesn't support present fences, so use the refresh

        // timestamp instead.

        mFrameTracker.setActualPresentTime(

                mFlinger->getHwComposer().getRefreshTimestamp(HWC_DISPLAY_PRIMARY));

    }



    mFrameTracker.advanceFrame();

    mFrameLatencyNeeded = false;

    return true;

}



std::vector<OccupancyTracker::Segment> BufferLayer::getOccupancyHistory(bool forceFlush) {

    std::vector<OccupancyTracker::Segment> history;

    status_t result = mSurfaceFlingerConsumer->getOccupancyHistory(forceFlush, &history);

    if (result != NO_ERROR) {

        ALOGW("[%s] Failed to obtain occupancy history (%d)", mName.string(), result);

        return {};

    }

    return history;

}



bool BufferLayer::getTransformToDisplayInverse() const {

    return mSurfaceFlingerConsumer->getTransformToDisplayInverse();

}



#ifdef USE_HWC2

void BufferLayer::releasePendingBuffer(nsecs_t dequeueReadyTime) {
@@ -485,6 +600,10 @@ Region BufferLayer::latchBuffer(bool& recomputeVisibleRegions, nsecs_t latchTime 
    return outDirtyRegion;

}



void BufferLayer::setDefaultBufferSize(uint32_t w, uint32_t h) {

    mSurfaceFlingerConsumer->setDefaultBufferSize(w, h);

}



#ifdef USE_HWC2

void BufferLayer::setPerFrameData(const sp<const DisplayDevice>& displayDevice) {

    // Apply this display's projection's viewport to the visible region
@@ -529,28 +648,6 @@ void BufferLayer::setPerFrameData(const sp<const DisplayDevice>& displayDevice) 
        return;

    }



    // SolidColor layers

    if (mActiveBuffer == nullptr) {

        setCompositionType(hwcId, HWC2::Composition::SolidColor);



        // For now, we only support black for DimLayer

        error = hwcLayer->setColor({0, 0, 0, 255});

        if (error != HWC2::Error::None) {

            ALOGE("[%s] Failed to set color: %s (%d)", mName.string(), to_string(error).c_str(),

                  static_cast<int32_t>(error));

        }



        // Clear out the transform, because it doesn't make sense absent a

        // source buffer

        error = hwcLayer->setTransform(HWC2::Transform::None);

        if (error != HWC2::Error::None) {

            ALOGE("[%s] Failed to clear transform: %s (%d)", mName.string(),

                  to_string(error).c_str(), static_cast<int32_t>(error));

        }



        return;

    }



    // Device or Cursor layers

    if (mPotentialCursor) {

        ALOGV("[%s] Requesting Cursor composition", mName.string());
@@ -580,26 +677,24 @@ void BufferLayer::setPerFrameData(const sp<const DisplayDevice>& displayDevice) 
}



#else

void BufferLayer::setPerFrameData(const sp<const DisplayDevice>& hw,

void BufferLayer::setAcquireFence(const sp<const DisplayDevice>& /* hw */,

                                  HWComposer::HWCLayerInterface& layer) {

    // we have to set the visible region on every frame because

    // we currently free it during onLayerDisplayed(), which is called

    // after HWComposer::commit() -- every frame.

    // Apply this display's projection's viewport to the visible region

    // before giving it to the HWC HAL.

    const Transform& tr = hw->getTransform();

    Region visible = tr.transform(visibleRegion.intersect(hw->getViewport()));

    layer.setVisibleRegionScreen(visible);

    layer.setSurfaceDamage(surfaceDamageRegion);

    mIsGlesComposition = (layer.getCompositionType() == HWC_FRAMEBUFFER);

    int fenceFd = -1;



    if (mSidebandStream.get()) {

        layer.setSidebandStream(mSidebandStream);

    } else {

        // NOTE: buffer can be NULL if the client never drew into this

        // layer yet, or if we ran out of memory

        layer.setBuffer(mActiveBuffer);

    // TODO: there is a possible optimization here: we only need to set the

    // acquire fence the first time a new buffer is acquired on EACH display.



    if (layer.getCompositionType() == HWC_OVERLAY ||

        layer.getCompositionType() == HWC_CURSOR_OVERLAY) {

        sp<Fence> fence = mSurfaceFlingerConsumer->getCurrentFence();

        if (fence->isValid()) {

            fenceFd = fence->dup();

            if (fenceFd == -1) {

                ALOGW("failed to dup layer fence, skipping sync: %d", errno);

            }

        }

    }

    layer.setAcquireFenceFd(fenceFd);

}

#endif

services/surfaceflinger/BufferLayer.h

+30 −3
Original line number Diff line number Diff line
@@ -64,6 +64,12 @@ public: 


    ~BufferLayer() override;



    // If we have received a new buffer this frame, we will pass its surface

    // damage down to hardware composer. Otherwise, we must send a region with

    // one empty rect.

    void useSurfaceDamage();

    void useEmptyDamage();



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

    // Overriden from Layer

    // -----------------------------------------------------------------------
@@ -99,6 +105,23 @@ public: 
    void onDraw(const RenderArea& renderArea, const Region& clip,

                bool useIdentityTransform) const override;



#ifdef USE_HWC2

    void onLayerDisplayed(const sp<Fence>& releaseFence) override;

#else

    void onLayerDisplayed(const sp<const DisplayDevice>& hw,

                          HWComposer::HWCLayerInterface* layer) override;

#endif



    void abandon() override;

    bool shouldPresentNow(const DispSync& dispSync) const override;

    void setTransformHint(uint32_t orientation) const override;

    bool onPostComposition(const std::shared_ptr<FenceTime>& glDoneFence,

                           const std::shared_ptr<FenceTime>& presentFence,

                           const CompositorTiming& compositorTiming) override;

    std::vector<OccupancyTracker::Segment> getOccupancyHistory(bool forceFlush) override;

    bool getTransformToDisplayInverse() const override;



public:

    bool onPreComposition(nsecs_t refreshStartTime) override;



#ifdef USE_HWC2
@@ -114,13 +137,15 @@ public: 
     */

    Region latchBuffer(bool& recomputeVisibleRegions, nsecs_t latchTime) override;

    bool isBufferLatched() const override { return mRefreshPending; }

    void setDefaultBufferSize(uint32_t w, uint32_t h) override;



#ifdef USE_HWC2

    void setPerFrameData(const sp<const DisplayDevice>& displayDevice);

    void setPerFrameData(const sp<const DisplayDevice>& displayDevice) override;

#else

    void setPerFrameData(const sp<const DisplayDevice>& hw,

                         HWComposer::HWCLayerInterface& layer);

    void setAcquireFence(const sp<const DisplayDevice>& hw,

                         HWComposer::HWCLayerInterface& layer) override;

#endif



    bool isOpaque(const Layer::State& s) const override;



private:
@@ -160,6 +185,8 @@ public: 
    sp<IGraphicBufferProducer> getProducer() const;



private:

    sp<SurfaceFlingerConsumer> mSurfaceFlingerConsumer;



    // Check all of the local sync points to ensure that all transactions

    // which need to have been applied prior to the frame which is about to

    // be latched have signaled

services/surfaceflinger/ColorLayer.cpp

+30 −0
Original line number Diff line number Diff line
@@ -61,6 +61,36 @@ bool ColorLayer::isVisible() const { 
    return !isHiddenByPolicy() && s.color.a;

}



#ifdef USE_HWC2

void ColorLayer::setPerFrameData(const sp<const DisplayDevice>& displayDevice) {

    const Transform& tr = displayDevice->getTransform();

    const auto& viewport = displayDevice->getViewport();

    Region visible = tr.transform(visibleRegion.intersect(viewport));

    auto hwcId = displayDevice->getHwcDisplayId();

    auto& hwcInfo = mHwcLayers[hwcId];

    auto& hwcLayer = hwcInfo.layer;

    auto error = hwcLayer->setVisibleRegion(visible);



    setCompositionType(hwcId, HWC2::Composition::SolidColor);



    half4 color = getColor();

    error = hwcLayer->setColor({static_cast<uint8_t>(std::round(255.0f * color.r)),

                                static_cast<uint8_t>(std::round(255.0f * color.g)),

                                static_cast<uint8_t>(std::round(255.0f * color.b)), 255});

    if (error != HWC2::Error::None) {

        ALOGE("[%s] Failed to set color: %s (%d)", mName.string(), to_string(error).c_str(),

              static_cast<int32_t>(error));

    }



    // Clear out the transform, because it doesn't make sense absent a source buffer

    error = hwcLayer->setTransform(HWC2::Transform::None);

    if (error != HWC2::Error::None) {

        ALOGE("[%s] Failed to clear transform: %s (%d)", mName.string(), to_string(error).c_str(),

              static_cast<int32_t>(error));

    }

}

#endif



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



}; // namespace android

services/surfaceflinger/ColorLayer.h

+21 −0
Original line number Diff line number Diff line
@@ -46,8 +46,29 @@ public: 
    void releasePendingBuffer(nsecs_t) override {}

#endif

    Region latchBuffer(bool&, nsecs_t) override { return Region(); }

    void useSurfaceDamage() override {}

    void useEmptyDamage() override {}

    bool isBufferLatched() const override { return false; }

    bool onPreComposition(nsecs_t) override { return true; }

    void abandon() override {}

#ifdef USE_HWC2

    void setPerFrameData(const sp<const DisplayDevice>& displayDevice) override;

#else

    void setAcquireFence(const sp<const DisplayDevice>& /*hw*/,

                         HWComposer::HWCLayerInterface& /*layer*/) override {}

#endif

    void setDefaultBufferSize(uint32_t /*w*/, uint32_t /*h*/) override {}

    bool shouldPresentNow(const DispSync& /*dispSync*/) const override { return false; }

    bool onPostComposition(const std::shared_ptr<FenceTime>& /*glDoneFence*/,

                           const std::shared_ptr<FenceTime>& /*presentFence*/,

                           const CompositorTiming& /*compositorTiming*/) override {

        return false;

    }

    void setTransformHint(uint32_t /*orientation*/) const override {}

    std::vector<OccupancyTracker::Segment> getOccupancyHistory(bool /*forceFlush*/) override {

        return {};

    }

    bool getTransformToDisplayInverse() const override { return false; }

};



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

services/surfaceflinger/Layer.cpp

+13 −235

File changed.

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