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Commit 44fcd6d0 authored by android-build-team Robot's avatar android-build-team Robot Committed by android-build-merger
Browse files

Merge changes Ife3ef43f,I50ec5d8b into pi-dev am: af0c7830 

am: 09d6e4a2

Change-Id: I307192d74bc8bba142af114f332bac42eb9a7d3c
parents 08de8bae 09d6e4a2

services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp

+585 −4
Original line number Original line Diff line number Diff line
@@ -386,6 +386,11 @@ struct PhysicalDisplayVariant 
                                 DisplayVariant<type, type, width, height, critical, Async::FALSE,

                                 DisplayVariant<type, type, width, height, critical, Async::FALSE,

                                                Secure::TRUE, GRALLOC_USAGE_PHYSICAL_DISPLAY>> {};

                                                Secure::TRUE, GRALLOC_USAGE_PHYSICAL_DISPLAY>> {};





// An invalid display

using InvalidDisplayVariant =

        DisplayVariant<DisplayDevice::DISPLAY_ID_INVALID, DisplayDevice::DISPLAY_ID_INVALID, 0, 0,

                       Critical::FALSE, Async::FALSE, Secure::FALSE, 0>;



// A primary display is a physical display that is critical

// A primary display is a physical display that is critical

using PrimaryDisplayVariant =

using PrimaryDisplayVariant =

        PhysicalDisplayVariant<1001, DisplayDevice::DISPLAY_PRIMARY, 3840, 2160, Critical::TRUE>;

        PhysicalDisplayVariant<1001, DisplayDevice::DISPLAY_PRIMARY, 3840, 2160, Critical::TRUE>;
@@ -645,6 +650,8 @@ using HdrHlgDisplayCase = 
using HdrDolbyVisionDisplayCase =

using HdrDolbyVisionDisplayCase =

        Case<PrimaryDisplayVariant, WideColorNotSupportedVariant<PrimaryDisplayVariant>,

        Case<PrimaryDisplayVariant, WideColorNotSupportedVariant<PrimaryDisplayVariant>,

             HdrDolbyVisionSupportedVariant<PrimaryDisplayVariant>>;

             HdrDolbyVisionSupportedVariant<PrimaryDisplayVariant>>;

using InvalidDisplayCase = Case<InvalidDisplayVariant, WideColorSupportNotConfiguredVariant,

                                NonHwcDisplayHdrSupportVariant>;





/* ------------------------------------------------------------------------

/* ------------------------------------------------------------------------

 *

 *
@@ -1571,7 +1578,7 @@ TEST_F(HandleTransactionLockedTest, processesDisplayLayerStackChanges) { 
    // --------------------------------------------------------------------

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

    // Postconditions

    // Postconditions





    EXPECT_EQ(newLayerStack, getDisplayDevice(display.token())->getLayerStack());

    EXPECT_EQ(newLayerStack, display.mutableDisplayDevice()->getLayerStack());

}

}





TEST_F(HandleTransactionLockedTest, processesDisplayTransformChanges) {

TEST_F(HandleTransactionLockedTest, processesDisplayTransformChanges) {
@@ -1599,7 +1606,7 @@ TEST_F(HandleTransactionLockedTest, processesDisplayTransformChanges) { 
    // --------------------------------------------------------------------

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

    // Postconditions

    // Postconditions





    EXPECT_EQ(newTransform, getDisplayDevice(display.token())->getOrientation());

    EXPECT_EQ(newTransform, display.mutableDisplayDevice()->getOrientation());

}

}





TEST_F(HandleTransactionLockedTest, processesDisplayViewportChanges) {

TEST_F(HandleTransactionLockedTest, processesDisplayViewportChanges) {
@@ -1627,7 +1634,7 @@ TEST_F(HandleTransactionLockedTest, processesDisplayViewportChanges) { 
    // --------------------------------------------------------------------

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

    // Postconditions

    // Postconditions





    EXPECT_EQ(newViewport, getDisplayDevice(display.token())->getViewport());

    EXPECT_EQ(newViewport, display.mutableDisplayDevice()->getViewport());

}

}





TEST_F(HandleTransactionLockedTest, processesDisplayFrameChanges) {

TEST_F(HandleTransactionLockedTest, processesDisplayFrameChanges) {
@@ -1655,7 +1662,7 @@ TEST_F(HandleTransactionLockedTest, processesDisplayFrameChanges) { 
    // --------------------------------------------------------------------

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

    // Postconditions

    // Postconditions





    EXPECT_EQ(newFrame, getDisplayDevice(display.token())->getFrame());

    EXPECT_EQ(newFrame, display.mutableDisplayDevice()->getFrame());

}

}





TEST_F(HandleTransactionLockedTest, processesDisplayWidthChanges) {

TEST_F(HandleTransactionLockedTest, processesDisplayWidthChanges) {
@@ -1740,5 +1747,579 @@ TEST_F(HandleTransactionLockedTest, processesDisplayHeightChanges) { 
    mFlinger.handleTransactionLocked(eDisplayTransactionNeeded);

    mFlinger.handleTransactionLocked(eDisplayTransactionNeeded);

}

}





/* ------------------------------------------------------------------------

 * SurfaceFlinger::setDisplayStateLocked

 */



TEST_F(DisplayTransactionTest, setDisplayStateLockedDoesNothingWithUnknownDisplay) {

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

    // Preconditions



    // We have an unknown display token not associated with a known display

    sp<BBinder> displayToken = new BBinder();



    // The requested display state references the unknown display.

    DisplayState state;

    state.what = DisplayState::eLayerStackChanged;

    state.token = displayToken;

    state.layerStack = 456;



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

    // Invocation



    uint32_t flags = mFlinger.setDisplayStateLocked(state);



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

    // Postconditions



    // The returned flags are empty

    EXPECT_EQ(0u, flags);



    // The display token still doesn't match anything known.

    EXPECT_FALSE(hasCurrentDisplayState(displayToken));

}



TEST_F(DisplayTransactionTest, setDisplayStateLockedDoesNothingWithInvalidDisplay) {

    using Case = InvalidDisplayCase;



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

    // Preconditions



    // An invalid display is set up

    auto display = Case::Display::makeFakeExistingDisplayInjector(this);

    display.inject();



    // The invalid display has some state

    display.mutableCurrentDisplayState().layerStack = 654u;



    // The requested display state tries to change the display state.

    DisplayState state;

    state.what = DisplayState::eLayerStackChanged;

    state.token = display.token();

    state.layerStack = 456;



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

    // Invocation



    uint32_t flags = mFlinger.setDisplayStateLocked(state);



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

    // Postconditions



    // The returned flags are empty

    EXPECT_EQ(0u, flags);



    // The current display layer stack value is unchanged.

    EXPECT_EQ(654u, getCurrentDisplayState(display.token()).layerStack);

}



TEST_F(DisplayTransactionTest, setDisplayStateLockedDoesNothingWhenNoChanges) {

    using Case = SimplePrimaryDisplayCase;



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

    // Preconditions



    // A display is already set up

    auto display = Case::Display::makeFakeExistingDisplayInjector(this);

    display.inject();



    // No changes are made to the display

    DisplayState state;

    state.what = 0;

    state.token = display.token();



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

    // Invocation



    uint32_t flags = mFlinger.setDisplayStateLocked(state);



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

    // Postconditions



    // The returned flags are empty

    EXPECT_EQ(0u, flags);

}



TEST_F(DisplayTransactionTest, setDisplayStateLockedDoesNothingIfSurfaceDidNotChange) {

    using Case = SimplePrimaryDisplayCase;



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

    // Preconditions



    // A display is already set up

    auto display = Case::Display::makeFakeExistingDisplayInjector(this);

    display.inject();



    // There is a surface that can be set.

    sp<mock::GraphicBufferProducer> surface = new mock::GraphicBufferProducer();



    // The current display state has the surface set

    display.mutableCurrentDisplayState().surface = surface;



    // The incoming request sets the same surface

    DisplayState state;

    state.what = DisplayState::eSurfaceChanged;

    state.token = display.token();

    state.surface = surface;



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

    // Invocation



    uint32_t flags = mFlinger.setDisplayStateLocked(state);



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

    // Postconditions



    // The returned flags are empty

    EXPECT_EQ(0u, flags);



    // The current display state is unchanged.

    EXPECT_EQ(surface.get(), display.getCurrentDisplayState().surface.get());

}



TEST_F(DisplayTransactionTest, setDisplayStateLockedRequestsUpdateIfSurfaceChanged) {

    using Case = SimplePrimaryDisplayCase;



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

    // Preconditions



    // A display is already set up

    auto display = Case::Display::makeFakeExistingDisplayInjector(this);

    display.inject();



    // There is a surface that can be set.

    sp<mock::GraphicBufferProducer> surface = new mock::GraphicBufferProducer();



    // The current display state does not have a surface

    display.mutableCurrentDisplayState().surface = nullptr;



    // The incoming request sets a surface

    DisplayState state;

    state.what = DisplayState::eSurfaceChanged;

    state.token = display.token();

    state.surface = surface;



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

    // Invocation



    uint32_t flags = mFlinger.setDisplayStateLocked(state);



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

    // Postconditions



    // The returned flags indicate a transaction is needed

    EXPECT_EQ(eDisplayTransactionNeeded, flags);



    // The current display layer stack state is set to the new value

    EXPECT_EQ(surface.get(), display.getCurrentDisplayState().surface.get());

}



TEST_F(DisplayTransactionTest, setDisplayStateLockedDoesNothingIfLayerStackDidNotChange) {

    using Case = SimplePrimaryDisplayCase;



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

    // Preconditions



    // A display is already set up

    auto display = Case::Display::makeFakeExistingDisplayInjector(this);

    display.inject();



    // The display has a layer stack set

    display.mutableCurrentDisplayState().layerStack = 456u;



    // The incoming request sets the same layer stack

    DisplayState state;

    state.what = DisplayState::eLayerStackChanged;

    state.token = display.token();

    state.layerStack = 456u;



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

    // Invocation



    uint32_t flags = mFlinger.setDisplayStateLocked(state);



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

    // Postconditions



    // The returned flags are empty

    EXPECT_EQ(0u, flags);



    // The current display state is unchanged

    EXPECT_EQ(456u, display.getCurrentDisplayState().layerStack);

}



TEST_F(DisplayTransactionTest, setDisplayStateLockedRequestsUpdateIfLayerStackChanged) {

    using Case = SimplePrimaryDisplayCase;



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

    // Preconditions



    // A display is set up

    auto display = Case::Display::makeFakeExistingDisplayInjector(this);

    display.inject();



    // The display has a layer stack set

    display.mutableCurrentDisplayState().layerStack = 654u;



    // The incoming request sets a different layer stack

    DisplayState state;

    state.what = DisplayState::eLayerStackChanged;

    state.token = display.token();

    state.layerStack = 456u;



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

    // Invocation



    uint32_t flags = mFlinger.setDisplayStateLocked(state);



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

    // Postconditions



    // The returned flags indicate a transaction is needed

    EXPECT_EQ(eDisplayTransactionNeeded, flags);



    // The desired display state has been set to the new value.

    EXPECT_EQ(456u, display.getCurrentDisplayState().layerStack);

}



TEST_F(DisplayTransactionTest, setDisplayStateLockedDoesNothingIfProjectionDidNotChange) {

    using Case = SimplePrimaryDisplayCase;

    constexpr int initialOrientation = 180;

    const Rect initialFrame = {1, 2, 3, 4};

    const Rect initialViewport = {5, 6, 7, 8};



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

    // Preconditions



    // A display is set up

    auto display = Case::Display::makeFakeExistingDisplayInjector(this);

    display.inject();



    // The current display state projection state is all set

    display.mutableCurrentDisplayState().orientation = initialOrientation;

    display.mutableCurrentDisplayState().frame = initialFrame;

    display.mutableCurrentDisplayState().viewport = initialViewport;



    // The incoming request sets the same projection state

    DisplayState state;

    state.what = DisplayState::eDisplayProjectionChanged;

    state.token = display.token();

    state.orientation = initialOrientation;

    state.frame = initialFrame;

    state.viewport = initialViewport;



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

    // Invocation



    uint32_t flags = mFlinger.setDisplayStateLocked(state);



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

    // Postconditions



    // The returned flags are empty

    EXPECT_EQ(0u, flags);



    // The current display state is unchanged

    EXPECT_EQ(initialOrientation, display.getCurrentDisplayState().orientation);



    EXPECT_EQ(initialFrame, display.getCurrentDisplayState().frame);

    EXPECT_EQ(initialViewport, display.getCurrentDisplayState().viewport);

}



TEST_F(DisplayTransactionTest, setDisplayStateLockedRequestsUpdateIfOrientationChanged) {

    using Case = SimplePrimaryDisplayCase;

    constexpr int initialOrientation = 90;

    constexpr int desiredOrientation = 180;



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

    // Preconditions



    // A display is set up

    auto display = Case::Display::makeFakeExistingDisplayInjector(this);

    display.inject();



    // The current display state has an orientation set

    display.mutableCurrentDisplayState().orientation = initialOrientation;



    // The incoming request sets a different orientation

    DisplayState state;

    state.what = DisplayState::eDisplayProjectionChanged;

    state.token = display.token();

    state.orientation = desiredOrientation;



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

    // Invocation



    uint32_t flags = mFlinger.setDisplayStateLocked(state);



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

    // Postconditions



    // The returned flags indicate a transaction is needed

    EXPECT_EQ(eDisplayTransactionNeeded, flags);



    // The current display state has the new value.

    EXPECT_EQ(desiredOrientation, display.getCurrentDisplayState().orientation);

}



TEST_F(DisplayTransactionTest, setDisplayStateLockedRequestsUpdateIfFrameChanged) {

    using Case = SimplePrimaryDisplayCase;

    const Rect initialFrame = {0, 0, 0, 0};

    const Rect desiredFrame = {5, 6, 7, 8};



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

    // Preconditions



    // A display is set up

    auto display = Case::Display::makeFakeExistingDisplayInjector(this);

    display.inject();



    // The current display state does not have a frame

    display.mutableCurrentDisplayState().frame = initialFrame;



    // The incoming request sets a frame

    DisplayState state;

    state.what = DisplayState::eDisplayProjectionChanged;

    state.token = display.token();

    state.frame = desiredFrame;



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

    // Invocation



    uint32_t flags = mFlinger.setDisplayStateLocked(state);



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

    // Postconditions



    // The returned flags indicate a transaction is needed

    EXPECT_EQ(eDisplayTransactionNeeded, flags);



    // The current display state has the new value.

    EXPECT_EQ(desiredFrame, display.getCurrentDisplayState().frame);

}



TEST_F(DisplayTransactionTest, setDisplayStateLockedRequestsUpdateIfViewportChanged) {

    using Case = SimplePrimaryDisplayCase;

    const Rect initialViewport = {0, 0, 0, 0};

    const Rect desiredViewport = {5, 6, 7, 8};



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

    // Preconditions



    // A display is set up

    auto display = Case::Display::makeFakeExistingDisplayInjector(this);

    display.inject();



    // The current display state does not have a viewport

    display.mutableCurrentDisplayState().viewport = initialViewport;



    // The incoming request sets a viewport

    DisplayState state;

    state.what = DisplayState::eDisplayProjectionChanged;

    state.token = display.token();

    state.viewport = desiredViewport;



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

    // Invocation



    uint32_t flags = mFlinger.setDisplayStateLocked(state);



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

    // Postconditions



    // The returned flags indicate a transaction is needed

    EXPECT_EQ(eDisplayTransactionNeeded, flags);



    // The current display state has the new value.

    EXPECT_EQ(desiredViewport, display.getCurrentDisplayState().viewport);

}



TEST_F(DisplayTransactionTest, setDisplayStateLockedDoesNothingIfSizeDidNotChange) {

    using Case = SimplePrimaryDisplayCase;

    constexpr uint32_t initialWidth = 1024;

    constexpr uint32_t initialHeight = 768;



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

    // Preconditions



    // A display is set up

    auto display = Case::Display::makeFakeExistingDisplayInjector(this);

    display.inject();



    // The current display state has a size set

    display.mutableCurrentDisplayState().width = initialWidth;

    display.mutableCurrentDisplayState().height = initialHeight;



    // The incoming request sets the same display size

    DisplayState state;

    state.what = DisplayState::eDisplaySizeChanged;

    state.token = display.token();

    state.width = initialWidth;

    state.height = initialHeight;



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

    // Invocation



    uint32_t flags = mFlinger.setDisplayStateLocked(state);



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

    // Postconditions



    // The returned flags are empty

    EXPECT_EQ(0u, flags);



    // The current display state is unchanged

    EXPECT_EQ(initialWidth, display.getCurrentDisplayState().width);

    EXPECT_EQ(initialHeight, display.getCurrentDisplayState().height);

}



TEST_F(DisplayTransactionTest, setDisplayStateLockedRequestsUpdateIfWidthChanged) {

    using Case = SimplePrimaryDisplayCase;

    constexpr uint32_t initialWidth = 0;

    constexpr uint32_t desiredWidth = 1024;



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

    // Preconditions



    // A display is set up

    auto display = Case::Display::makeFakeExistingDisplayInjector(this);

    display.inject();



    // The display does not yet have a width

    display.mutableCurrentDisplayState().width = initialWidth;



    // The incoming request sets a display width

    DisplayState state;

    state.what = DisplayState::eDisplaySizeChanged;

    state.token = display.token();

    state.width = desiredWidth;



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

    // Invocation



    uint32_t flags = mFlinger.setDisplayStateLocked(state);



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

    // Postconditions



    // The returned flags indicate a transaction is needed

    EXPECT_EQ(eDisplayTransactionNeeded, flags);



    // The current display state has the new value.

    EXPECT_EQ(desiredWidth, display.getCurrentDisplayState().width);

}



TEST_F(DisplayTransactionTest, setDisplayStateLockedRequestsUpdateIfHeightChanged) {

    using Case = SimplePrimaryDisplayCase;

    constexpr uint32_t initialHeight = 0;

    constexpr uint32_t desiredHeight = 768;



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

    // Preconditions



    // A display is set up

    auto display = Case::Display::makeFakeExistingDisplayInjector(this);

    display.inject();



    // The display does not yet have a height

    display.mutableCurrentDisplayState().height = initialHeight;



    // The incoming request sets a display height

    DisplayState state;

    state.what = DisplayState::eDisplaySizeChanged;

    state.token = display.token();

    state.height = desiredHeight;



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

    // Invocation



    uint32_t flags = mFlinger.setDisplayStateLocked(state);



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

    // Postconditions



    // The returned flags indicate a transaction is needed

    EXPECT_EQ(eDisplayTransactionNeeded, flags);



    // The current display state has the new value.

    EXPECT_EQ(desiredHeight, display.getCurrentDisplayState().height);

}



/* ------------------------------------------------------------------------

 * SurfaceFlinger::onInitializeDisplays

 */



TEST_F(DisplayTransactionTest, onInitializeDisplaysSetsUpPrimaryDisplay) {

    using Case = SimplePrimaryDisplayCase;



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

    // Preconditions



    // A primary display is set up

    Case::Display::injectHwcDisplay(this);

    auto primaryDisplay = Case::Display::makeFakeExistingDisplayInjector(this);

    primaryDisplay.inject();



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

    // Call Expectations



    // We expect the surface interceptor to possibly be used, but we treat it as

    // disabled since it is called as a side effect rather than directly by this

    // function.

    EXPECT_CALL(*mSurfaceInterceptor, isEnabled()).WillOnce(Return(false));



    // We expect a call to get the active display config.

    Case::Display::setupHwcGetActiveConfigCallExpectations(this);



    // We expect invalidate() to be invoked once to trigger display transaction

    // processing.

    EXPECT_CALL(*mMessageQueue, invalidate()).Times(1);



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

    // Invocation



    mFlinger.onInitializeDisplays();



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

    // Postconditions



    // The primary display should have a current state

    ASSERT_TRUE(hasCurrentDisplayState(primaryDisplay.token()));

    const auto& primaryDisplayState = getCurrentDisplayState(primaryDisplay.token());

    // The layer stack state should be set to zero

    EXPECT_EQ(0u, primaryDisplayState.layerStack);

    // The orientation state should be set to zero

    EXPECT_EQ(0, primaryDisplayState.orientation);



    // The frame state should be set to INVALID

    EXPECT_EQ(Rect::INVALID_RECT, primaryDisplayState.frame);



    // The viewport state should be set to INVALID

    EXPECT_EQ(Rect::INVALID_RECT, primaryDisplayState.viewport);



    // The width and height should both be zero

    EXPECT_EQ(0u, primaryDisplayState.width);

    EXPECT_EQ(0u, primaryDisplayState.height);



    // The display should be set to HWC_POWER_MODE_NORMAL

    ASSERT_TRUE(hasDisplayDevice(primaryDisplay.token()));

    auto displayDevice = primaryDisplay.mutableDisplayDevice();

    EXPECT_EQ(HWC_POWER_MODE_NORMAL, displayDevice->getPowerMode());



    // The display refresh period should be set in the frame tracker.

    FrameStats stats;

    mFlinger.getAnimFrameTracker().getStats(&stats);

    EXPECT_EQ(DEFAULT_REFRESH_RATE, stats.refreshPeriodNano);



    // The display transaction needed flag should be set.

    EXPECT_TRUE(hasTransactionFlagSet(eDisplayTransactionNeeded));



    // The compositor timing should be set to default values

    const auto& compositorTiming = mFlinger.getCompositorTiming();

    EXPECT_EQ(-DEFAULT_REFRESH_RATE, compositorTiming.deadline);

    EXPECT_EQ(DEFAULT_REFRESH_RATE, compositorTiming.interval);

    EXPECT_EQ(DEFAULT_REFRESH_RATE, compositorTiming.presentLatency);

}



} // namespace

} // namespace

} // namespace android
 
} // namespace android

services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h

+22 −1
Original line number Original line Diff line number Diff line
@@ -85,6 +85,17 @@ public: 
        return mFlinger->onHotplugReceived(sequenceId, display, connection);

        return mFlinger->onHotplugReceived(sequenceId, display, connection);

    }

    }





    auto setDisplayStateLocked(const DisplayState& s) { return mFlinger->setDisplayStateLocked(s); }



    auto onInitializeDisplays() { return mFlinger->onInitializeDisplays(); }



    /* ------------------------------------------------------------------------

     * Read-only access to private data to assert post-conditions.

     */



    const auto& getAnimFrameTracker() const { return mFlinger->mAnimFrameTracker; }

    const auto& getCompositorTiming() const { return mFlinger->getBE().mCompositorTiming; }



    /* ------------------------------------------------------------------------

    /* ------------------------------------------------------------------------

     * Read-write access to private data to set up preconditions and assert

     * Read-write access to private data to set up preconditions and assert

     * post-conditions.

     * post-conditions.
@@ -247,6 +258,16 @@ public: 
            return mFlinger.mutableCurrentState().displays.editValueFor(mDisplayToken);

            return mFlinger.mutableCurrentState().displays.editValueFor(mDisplayToken);

        }

        }





        const auto& getDrawingDisplayState() {

            return mFlinger.mutableDrawingState().displays.valueFor(mDisplayToken);

        }



        const auto& getCurrentDisplayState() {

            return mFlinger.mutableCurrentState().displays.valueFor(mDisplayToken);

        }



        auto& mutableDisplayDevice() { return mFlinger.mutableDisplays().valueFor(mDisplayToken); }



        auto& setNativeWindow(const sp<ANativeWindow>& nativeWindow) {

        auto& setNativeWindow(const sp<ANativeWindow>& nativeWindow) {

            mNativeWindow = nativeWindow;

            mNativeWindow = nativeWindow;

            return *this;

            return *this;
@@ -280,7 +301,7 @@ public: 
            mFlinger.mutableCurrentState().displays.add(mDisplayToken, state);

            mFlinger.mutableCurrentState().displays.add(mDisplayToken, state);

            mFlinger.mutableDrawingState().displays.add(mDisplayToken, state);

            mFlinger.mutableDrawingState().displays.add(mDisplayToken, state);





            if (mType < DisplayDevice::DISPLAY_VIRTUAL) {

            if (mType >= DisplayDevice::DISPLAY_PRIMARY && mType < DisplayDevice::DISPLAY_VIRTUAL) {

                mFlinger.mutableBuiltinDisplays()[mType] = mDisplayToken;

                mFlinger.mutableBuiltinDisplays()[mType] = mDisplayToken;

            }

            }