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Commit f372925a authored by Galia Peycheva's avatar Galia Peycheva Committed by Android (Google) Code Review
Browse files

Merge "Fix missing position updates to blur regions" into tm-dev

parents f24ff65a 38cf61f7

core/java/android/view/ViewRootImpl.java

+0 −21
Original line number Diff line number Diff line
@@ -4196,26 +4196,6 @@ public final class ViewRootImpl implements ViewParent, 
        });

    }



    @Nullable

    private void registerFrameDrawingCallbackForBlur() {

        if (!isHardwareEnabled()) {

            return;

        }

        final boolean hasBlurUpdates = mBlurRegionAggregator.hasUpdates();

        final boolean needsCallbackForBlur = hasBlurUpdates || mBlurRegionAggregator.hasRegions();



        if (!needsCallbackForBlur) {

            return;

        }



        final BackgroundBlurDrawable.BlurRegion[] blurRegionsForFrame =

                mBlurRegionAggregator.getBlurRegionsCopyForRT();



        // The callback will run on the render thread.

        registerRtFrameCallback((frame) -> mBlurRegionAggregator

                .dispatchBlurTransactionIfNeeded(frame, blurRegionsForFrame, hasBlurUpdates));

    }



    private void registerCallbackForPendingTransactions() {

        registerRtFrameCallback(new FrameDrawingCallback() {

            @Override
@@ -4253,7 +4233,6 @@ public final class ViewRootImpl implements ViewParent, 
        mIsDrawing = true;

        Trace.traceBegin(Trace.TRACE_TAG_VIEW, "draw");



        registerFrameDrawingCallbackForBlur();

        addFrameCommitCallbackIfNeeded();



        boolean usingAsyncReport = isHardwareEnabled() && mSyncBufferCallback != null;

core/java/com/android/internal/graphics/drawable/BackgroundBlurDrawable.java

+67 −26
Original line number Diff line number Diff line
@@ -36,6 +36,7 @@ import android.util.ArraySet; 
import android.util.Log;

import android.util.LongSparseArray;

import android.view.ViewRootImpl;

import android.view.ViewTreeObserver;



import com.android.internal.R;

import com.android.internal.annotations.GuardedBy;
@@ -232,9 +233,12 @@ public final class BackgroundBlurDrawable extends Drawable { 
        private final ArraySet<BackgroundBlurDrawable> mDrawables = new ArraySet();

        @GuardedBy("mRtLock")

        private final LongSparseArray<ArraySet<Runnable>> mFrameRtUpdates = new LongSparseArray();

        private long mLastFrameNumber = 0;

        private BlurRegion[] mLastFrameBlurRegions = null;

        private final ViewRootImpl mViewRoot;

        private BlurRegion[] mTmpBlurRegionsForFrame = new BlurRegion[0];

        private boolean mHasUiUpdates;

        private ViewTreeObserver.OnPreDrawListener mOnPreDrawListener;



        public Aggregator(ViewRootImpl viewRoot) {

            mViewRoot = viewRoot;
@@ -277,6 +281,38 @@ public final class BackgroundBlurDrawable extends Drawable { 
                    Log.d(TAG, "Remove " + drawable);

                }

            }



            if (mOnPreDrawListener == null && mViewRoot.getView() != null

                    && hasRegions()) {

                registerPreDrawListener();

            }

        }



        private void registerPreDrawListener() {

            mOnPreDrawListener = () -> {

                final boolean hasUiUpdates = hasUpdates();



                if (hasUiUpdates || hasRegions()) {

                    final BlurRegion[] blurRegionsForNextFrame = getBlurRegionsCopyForRT();



                    mViewRoot.registerRtFrameCallback(frame -> {

                        synchronized (mRtLock) {

                            mLastFrameNumber = frame;

                            mLastFrameBlurRegions = blurRegionsForNextFrame;

                            handleDispatchBlurTransactionLocked(

                                    frame, blurRegionsForNextFrame, hasUiUpdates);

                        }

                    });

                }

                if (!hasRegions() && mViewRoot.getView() != null) {

                    mViewRoot.getView().getViewTreeObserver()

                            .removeOnPreDrawListener(mOnPreDrawListener);

                    mOnPreDrawListener = null;

                }

                return true;

            };



            mViewRoot.getView().getViewTreeObserver().addOnPreDrawListener(mOnPreDrawListener);

        }



        // Called from a thread pool
@@ -290,7 +326,14 @@ public final class BackgroundBlurDrawable extends Drawable { 
                    mFrameRtUpdates.put(frameNumber, frameRtUpdates);

                }

                frameRtUpdates.add(update);



                if (mLastFrameNumber == frameNumber) {

                    // The transaction for this frame has already been sent, so we have to manually

                    // trigger sending a transaction here in order to apply this position update

                    handleDispatchBlurTransactionLocked(frameNumber, mLastFrameBlurRegions, true);

                }

            }



        }



        /**
@@ -329,14 +372,13 @@ public final class BackgroundBlurDrawable extends Drawable { 
        /**

         * Called on RenderThread.

         *

         * @return all blur regions if there are any ui or position updates for this frame,

         *         null otherwise

         * @return true if it is necessary to send an update to Sf this frame

         */

        @GuardedBy("mRtLock")

        @VisibleForTesting

        public float[][] getBlurRegionsToDispatchToSf(long frameNumber,

                BlurRegion[] blurRegionsForFrame, boolean hasUiUpdatesForFrame) {

            synchronized (mRtLock) {

                if (!hasUiUpdatesForFrame && (mFrameRtUpdates.size() == 0

        public float[][] getBlurRegionsForFrameLocked(long frameNumber,

                BlurRegion[] blurRegionsForFrame, boolean forceUpdate) {

            if (!forceUpdate && (mFrameRtUpdates.size() == 0

                        || mFrameRtUpdates.keyAt(0) > frameNumber)) {

                return null;

            }
@@ -353,7 +395,6 @@ public final class BackgroundBlurDrawable extends Drawable { 
                    frameUpdates.valueAt(i).run();

                }

            }

            }



            if (DEBUG) {

                Log.d(TAG, "Dispatching " + blurRegionsForFrame.length + " blur regions:");
@@ -370,13 +411,13 @@ public final class BackgroundBlurDrawable extends Drawable { 
        }



        /**

         * Called on RenderThread in FrameDrawingCallback.

         * Dispatch all blur regions if there are any ui or position updates.

         * Dispatch all blur regions if there are any ui or position updates for that frame.

         */

        public void dispatchBlurTransactionIfNeeded(long frameNumber,

                BlurRegion[] blurRegionsForFrame, boolean hasUiUpdatesForFrame) {

            final float[][] blurRegionsArray = getBlurRegionsToDispatchToSf(frameNumber,

                    blurRegionsForFrame, hasUiUpdatesForFrame);

        @GuardedBy("mRtLock")

        private void handleDispatchBlurTransactionLocked(long frameNumber, BlurRegion[] blurRegions,

                boolean forceUpdate) {

            float[][] blurRegionsArray =

                    getBlurRegionsForFrameLocked(frameNumber, blurRegions, forceUpdate);

            if (blurRegionsArray != null) {

                mViewRoot.dispatchBlurRegions(blurRegionsArray, frameNumber);

            }

core/tests/coretests/src/android/view/BlurAggregatorTest.java

+11 −11
Original line number Diff line number Diff line
@@ -65,7 +65,7 @@ public class BlurAggregatorTest { 
        drawable.setBlurRadius(TEST_BLUR_RADIUS);

        final boolean hasUpdates = mAggregator.hasUpdates();

        final BlurRegion[] blurRegions = mAggregator.getBlurRegionsCopyForRT();

        mAggregator.getBlurRegionsToDispatchToSf(TEST_FRAME_NUMBER, blurRegions, hasUpdates);

        mAggregator.getBlurRegionsForFrameLocked(TEST_FRAME_NUMBER, blurRegions, hasUpdates);

        return drawable;

    }
@@ -154,7 +154,7 @@ public class BlurAggregatorTest { 
        assertEquals(1, blurRegions.length);



        mDrawable.mPositionUpdateListener.positionChanged(TEST_FRAME_NUMBER, 1, 2, 3, 4);

        mAggregator.getBlurRegionsToDispatchToSf(TEST_FRAME_NUMBER, blurRegions,

        mAggregator.getBlurRegionsForFrameLocked(TEST_FRAME_NUMBER, blurRegions,

                mAggregator.hasUpdates());

        assertEquals(1, blurRegions[0].rect.left);

        assertEquals(2, blurRegions[0].rect.top);
@@ -169,7 +169,7 @@ public class BlurAggregatorTest { 
        final BlurRegion[] blurRegions = mAggregator.getBlurRegionsCopyForRT();

        assertEquals(1, blurRegions.length);



        float[][] blurRegionsForSf = mAggregator.getBlurRegionsToDispatchToSf(

        float[][] blurRegionsForSf = mAggregator.getBlurRegionsForFrameLocked(

                TEST_FRAME_NUMBER, blurRegions, hasUpdates);

        assertNull(blurRegionsForSf);

    }
@@ -182,7 +182,7 @@ public class BlurAggregatorTest { 
        final BlurRegion[] blurRegions = mAggregator.getBlurRegionsCopyForRT();

        assertEquals(1, blurRegions.length);



        float[][] blurRegionsForSf = mAggregator.getBlurRegionsToDispatchToSf(

        float[][] blurRegionsForSf = mAggregator.getBlurRegionsForFrameLocked(

                TEST_FRAME_NUMBER, blurRegions, hasUpdates);

        assertNotNull(blurRegionsForSf);

        assertEquals(1, blurRegionsForSf.length);
@@ -197,7 +197,7 @@ public class BlurAggregatorTest { 
        assertEquals(1, blurRegions.length);



        mDrawable.mPositionUpdateListener.positionChanged(TEST_FRAME_NUMBER, 1, 2, 3, 4);

        float[][] blurRegionsForSf = mAggregator.getBlurRegionsToDispatchToSf(

        float[][] blurRegionsForSf = mAggregator.getBlurRegionsForFrameLocked(

                TEST_FRAME_NUMBER, blurRegions, hasUpdates);

        assertNotNull(blurRegionsForSf);

        assertEquals(1, blurRegionsForSf.length);
@@ -216,7 +216,7 @@ public class BlurAggregatorTest { 
        assertEquals(1, blurRegions.length);



        mDrawable.mPositionUpdateListener.positionChanged(TEST_FRAME_NUMBER, 1, 2, 3, 4);

        float[][] blurRegionsForSf = mAggregator.getBlurRegionsToDispatchToSf(

        float[][] blurRegionsForSf = mAggregator.getBlurRegionsForFrameLocked(

                TEST_FRAME_NUMBER + 1, blurRegions, hasUpdates);

        assertNotNull(blurRegionsForSf);

        assertEquals(1, blurRegionsForSf.length);
@@ -237,19 +237,19 @@ public class BlurAggregatorTest { 
        assertEquals(2, blurRegions.length);



        // Check that an update in one of the drawables triggers a dispatch of all blur regions

        float[][] blurRegionsForSf = mAggregator.getBlurRegionsToDispatchToSf(

        float[][] blurRegionsForSf = mAggregator.getBlurRegionsForFrameLocked(

                TEST_FRAME_NUMBER, blurRegions, hasUpdates);

        assertNotNull(blurRegionsForSf);

        assertEquals(2, blurRegionsForSf.length);



        // Check that the Aggregator deleted all position updates for frame TEST_FRAME_NUMBER

        blurRegionsForSf = mAggregator.getBlurRegionsToDispatchToSf(

        blurRegionsForSf = mAggregator.getBlurRegionsForFrameLocked(

                TEST_FRAME_NUMBER, blurRegions, /* hasUiUpdates= */ false);

        assertNull(blurRegionsForSf);



        // Check that a position update triggers a dispatch of all blur regions

        drawable2.mPositionUpdateListener.positionChanged(TEST_FRAME_NUMBER, 1, 2, 3, 4);

        blurRegionsForSf = mAggregator.getBlurRegionsToDispatchToSf(

        blurRegionsForSf = mAggregator.getBlurRegionsForFrameLocked(

                TEST_FRAME_NUMBER + 1, blurRegions, hasUpdates);

        assertNotNull(blurRegionsForSf);

        assertEquals(2, blurRegionsForSf.length);
@@ -292,7 +292,7 @@ public class BlurAggregatorTest { 
        mDrawable.mPositionUpdateListener.positionChanged(TEST_FRAME_NUMBER, 1, 2, 3, 4);

        mDrawable.mPositionUpdateListener.positionChanged(TEST_FRAME_NUMBER + 1, 5, 6, 7, 8);



        final float[][] blurRegionsForSf = mAggregator.getBlurRegionsToDispatchToSf(

        final float[][] blurRegionsForSf = mAggregator.getBlurRegionsForFrameLocked(

                TEST_FRAME_NUMBER, blurRegions, /* hasUiUpdates= */ false);

        assertNotNull(blurRegionsForSf);

        assertEquals(1, blurRegionsForSf.length);
@@ -303,7 +303,7 @@ public class BlurAggregatorTest { 
        assertEquals(3f, blurRegionsForSf[0][4]);

        assertEquals(4f, blurRegionsForSf[0][5]);



        final float[][] blurRegionsForSfForNextFrame = mAggregator.getBlurRegionsToDispatchToSf(

        final float[][] blurRegionsForSfForNextFrame = mAggregator.getBlurRegionsForFrameLocked(

                TEST_FRAME_NUMBER + 1, blurRegions, /* hasUiUpdates= */ false);

        assertNotNull(blurRegionsForSfForNextFrame);

        assertEquals(1, blurRegionsForSfForNextFrame.length);