Merge "Split long vibration composition using HAL limits" into sc-dev am: 55a8db6450

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14807584

Change-Id: Id21e2dd1e3f42b0cb39229a503de313f6eb70c1a

core/java/android/hardware/input/InputDeviceVibrator.java

@@ -56,10 +56,10 @@ final class InputDeviceVibrator extends Vibrator {
         mDeviceId = deviceId;
         mVibratorInfo = new VibratorInfo.Builder(vibratorId)
                 .setCapabilities(IVibrator.CAP_AMPLITUDE_CONTROL)
-                // Set predefined support to empty as we know input devices do not support them.
+                // The supported effect and braking lists are known to be empty for input devices,
-                .setSupportedEffects()
+                // which is different from not being set (that means the device support is unknown).
-                .setSupportedPrimitives()
+                .setSupportedEffects(new int[0])
-                .setSupportedBraking()
+                .setSupportedBraking(new int[0])
                 .build();
         mToken = new Binder();
     }

core/java/android/os/VibratorInfo.java

@@ -51,8 +51,11 @@ public class VibratorInfo implements Parcelable {
     private final SparseBooleanArray mSupportedEffects;
     @Nullable
     private final SparseBooleanArray mSupportedBraking;
-    @Nullable
     private final SparseIntArray mSupportedPrimitives;
+    private final int mPrimitiveDelayMax;
+    private final int mCompositionSizeMax;
+    private final int mPwlePrimitiveDurationMax;
+    private final int mPwleSizeMax;
     private final float mQFactor;
     private final FrequencyMapping mFrequencyMapping;
 
@@ -62,6 +65,10 @@ public class VibratorInfo implements Parcelable {
         mSupportedEffects = in.readSparseBooleanArray();
         mSupportedBraking = in.readSparseBooleanArray();
         mSupportedPrimitives = in.readSparseIntArray();
+        mPrimitiveDelayMax = in.readInt();
+        mCompositionSizeMax = in.readInt();
+        mPwlePrimitiveDurationMax = in.readInt();
+        mPwleSizeMax = in.readInt();
         mQFactor = in.readFloat();
         mFrequencyMapping = in.readParcelable(VibratorInfo.class.getClassLoader());
     }
@@ -70,47 +77,49 @@ public class VibratorInfo implements Parcelable {
      * Default constructor.
      *
      * @param id                       The vibrator id.
-     * @param capabilities        All capability flags of the vibrator, defined in IVibrator.CAP_*.
+     * @param capabilities             All capability flags of the vibrator, defined in
-     * @param supportedEffects    All supported predefined effects, enum values from {@link
+     *                                 IVibrator.CAP_*.
-     *                            android.hardware.vibrator.Effect}.
+     * @param supportedEffects         All supported predefined effects, enum values from
-     * @param supportedBraking    All supported braking types, enum values from {@link Braking}.
+     *                                 {@link android.hardware.vibrator.Effect}.
-     * @param supportedPrimitives All supported primitive effects, enum values from {@link
+     * @param supportedBraking         All supported braking types, enum values from {@link
-     *                            android.hardware.vibrator.CompositePrimitive}.
+     *                                 Braking}.
-     * @param primitiveDurations  A mapping of primitive durations, where indexes are enum values
+     * @param supportedPrimitives      All supported primitive effects, key are enum values from
-     *                            from {@link android.hardware.vibrator.CompositePrimitive} and the
+     *                                 {@link android.hardware.vibrator.CompositePrimitive} and
      *                                 values are estimated durations in milliseconds.
+     * @param primitiveDelayMax        The maximum delay that can be set to a composition primitive
+     *                                 in milliseconds.
+     * @param compositionSizeMax       The maximum number of primitives supported by a composition.
+     * @param pwlePrimitiveDurationMax The maximum duration of a PWLE primitive in milliseconds.
+     * @param pwleSizeMax              The maximum number of primitives supported by a PWLE
+     *                                 composition.
      * @param qFactor                  The vibrator quality factor.
      * @param frequencyMapping         The description of the vibrator supported frequencies and max
      *                                 amplitude mappings.
      * @hide
      */
-    public VibratorInfo(int id, long capabilities, int[] supportedEffects, int[] supportedBraking,
+    public VibratorInfo(int id, long capabilities, @Nullable SparseBooleanArray supportedEffects,
-            int[] supportedPrimitives, int[] primitiveDurations, float qFactor,
+            @Nullable SparseBooleanArray supportedBraking,
-            @NonNull FrequencyMapping frequencyMapping) {
+            @NonNull SparseIntArray supportedPrimitives, int primitiveDelayMax,
+            int compositionSizeMax, int pwlePrimitiveDurationMax, int pwleSizeMax,
+            float qFactor, @NonNull FrequencyMapping frequencyMapping) {
         mId = id;
         mCapabilities = capabilities;
-        mSupportedEffects = toSparseBooleanArray(supportedEffects);
+        mSupportedEffects = supportedEffects == null ? null : supportedEffects.clone();
-        mSupportedBraking = toSparseBooleanArray(supportedBraking);
+        mSupportedBraking = supportedBraking == null ? null : supportedBraking.clone();
-        mSupportedPrimitives = toSparseIntArray(supportedPrimitives, primitiveDurations);
+        mSupportedPrimitives = supportedPrimitives.clone();
+        mPrimitiveDelayMax = primitiveDelayMax;
+        mCompositionSizeMax = compositionSizeMax;
+        mPwlePrimitiveDurationMax = pwlePrimitiveDurationMax;
+        mPwleSizeMax = pwleSizeMax;
         mQFactor = qFactor;
         mFrequencyMapping = frequencyMapping;
     }
 
     protected VibratorInfo(int id, int capabilities, VibratorInfo baseVibrator) {
-        mId = id;
+        this(id, capabilities, baseVibrator.mSupportedEffects, baseVibrator.mSupportedBraking,
-        mCapabilities = capabilities;
+                baseVibrator.mSupportedPrimitives, baseVibrator.mPrimitiveDelayMax,
-        mSupportedEffects = baseVibrator.mSupportedEffects == null ? null :
+                baseVibrator.mCompositionSizeMax, baseVibrator.mPwlePrimitiveDurationMax,
-                baseVibrator.mSupportedEffects.clone();
+                baseVibrator.mPwleSizeMax, baseVibrator.mQFactor, baseVibrator.mFrequencyMapping);
-        mSupportedBraking = baseVibrator.mSupportedBraking == null ? null :
-                baseVibrator.mSupportedBraking.clone();
-        mSupportedPrimitives = baseVibrator.mSupportedPrimitives == null ? null :
-                baseVibrator.mSupportedPrimitives.clone();
-        mQFactor = baseVibrator.mQFactor;
-        mFrequencyMapping = new FrequencyMapping(baseVibrator.mFrequencyMapping.mMinFrequencyHz,
-                baseVibrator.mFrequencyMapping.mResonantFrequencyHz,
-                baseVibrator.mFrequencyMapping.mFrequencyResolutionHz,
-                baseVibrator.mFrequencyMapping.mSuggestedSafeRangeHz,
-                baseVibrator.mFrequencyMapping.mMaxAmplitudes);
     }
 
     @Override
@@ -120,6 +129,10 @@ public class VibratorInfo implements Parcelable {
         dest.writeSparseBooleanArray(mSupportedEffects);
         dest.writeSparseBooleanArray(mSupportedBraking);
         dest.writeSparseIntArray(mSupportedPrimitives);
+        dest.writeInt(mPrimitiveDelayMax);
+        dest.writeInt(mCompositionSizeMax);
+        dest.writeInt(mPwlePrimitiveDurationMax);
+        dest.writeInt(mPwleSizeMax);
         dest.writeFloat(mQFactor);
         dest.writeParcelable(mFrequencyMapping, flags);
     }
@@ -138,15 +151,11 @@ public class VibratorInfo implements Parcelable {
             return false;
         }
         VibratorInfo that = (VibratorInfo) o;
-        if (mSupportedPrimitives == null || that.mSupportedPrimitives == null) {
+        int supportedPrimitivesCount = mSupportedPrimitives.size();
-            if (mSupportedPrimitives != that.mSupportedPrimitives) {
+        if (supportedPrimitivesCount != that.mSupportedPrimitives.size()) {
             return false;
         }
-        } else {
+        for (int i = 0; i < supportedPrimitivesCount; i++) {
-            if (mSupportedPrimitives.size() != that.mSupportedPrimitives.size()) {
-                return false;
-            }
-            for (int i = 0; i < mSupportedPrimitives.size(); i++) {
             if (mSupportedPrimitives.keyAt(i) != that.mSupportedPrimitives.keyAt(i)) {
                 return false;
             }
@@ -154,8 +163,11 @@ public class VibratorInfo implements Parcelable {
                 return false;
             }
         }
-        }
         return mId == that.mId && mCapabilities == that.mCapabilities
+                && mPrimitiveDelayMax == that.mPrimitiveDelayMax
+                && mCompositionSizeMax == that.mCompositionSizeMax
+                && mPwlePrimitiveDurationMax == that.mPwlePrimitiveDurationMax
+                && mPwleSizeMax == that.mPwleSizeMax
                 && Objects.equals(mSupportedEffects, that.mSupportedEffects)
                 && Objects.equals(mSupportedBraking, that.mSupportedBraking)
                 && Objects.equals(mQFactor, that.mQFactor)
@@ -166,12 +178,10 @@ public class VibratorInfo implements Parcelable {
     public int hashCode() {
         int hashCode = Objects.hash(mId, mCapabilities, mSupportedEffects, mSupportedBraking,
                 mQFactor, mFrequencyMapping);
-        if (mSupportedPrimitives != null) {
         for (int i = 0; i < mSupportedPrimitives.size(); i++) {
             hashCode = 31 * hashCode + mSupportedPrimitives.keyAt(i);
             hashCode = 31 * hashCode + mSupportedPrimitives.valueAt(i);
         }
-        }
         return hashCode;
     }
 
@@ -184,6 +194,10 @@ public class VibratorInfo implements Parcelable {
                 + ", mSupportedEffects=" + Arrays.toString(getSupportedEffectsNames())
                 + ", mSupportedBraking=" + Arrays.toString(getSupportedBrakingNames())
                 + ", mSupportedPrimitives=" + Arrays.toString(getSupportedPrimitivesNames())
+                + ", mPrimitiveDelayMax=" + mPrimitiveDelayMax
+                + ", mCompositionSizeMax=" + mCompositionSizeMax
+                + ", mPwlePrimitiveDurationMax=" + mPwlePrimitiveDurationMax
+                + ", mPwleSizeMax=" + mPwleSizeMax
                 + ", mQFactor=" + mQFactor
                 + ", mFrequencyMapping=" + mFrequencyMapping
                 + '}';
@@ -247,7 +261,7 @@ public class VibratorInfo implements Parcelable {
      */
     public boolean isPrimitiveSupported(
             @VibrationEffect.Composition.PrimitiveType int primitiveId) {
-        return hasCapability(IVibrator.CAP_COMPOSE_EFFECTS) && mSupportedPrimitives != null
+        return hasCapability(IVibrator.CAP_COMPOSE_EFFECTS)
                 && (mSupportedPrimitives.indexOfKey(primitiveId) >= 0);
     }
 
@@ -260,7 +274,43 @@ public class VibratorInfo implements Parcelable {
      */
     public int getPrimitiveDuration(
             @VibrationEffect.Composition.PrimitiveType int primitiveId) {
-        return mSupportedPrimitives != null ? mSupportedPrimitives.get(primitiveId) : 0;
+        return mSupportedPrimitives.get(primitiveId);
+    }
+
+    /**
+     * Query the maximum delay supported for a primitive in a composed effect.
+     *
+     * @return The max delay in milliseconds, or zero if unlimited.
+     */
+    public int getPrimitiveDelayMax() {
+        return mPrimitiveDelayMax;
+    }
+
+    /**
+     * Query the maximum number of primitives supported in a composed effect.
+     *
+     * @return The max number of primitives supported, or zero if unlimited.
+     */
+    public int getCompositionSizeMax() {
+        return mCompositionSizeMax;
+    }
+
+    /**
+     * Query the maximum duration supported for a primitive in a PWLE composition.
+     *
+     * @return The max duration in milliseconds, or zero if unlimited.
+     */
+    public int getPwlePrimitiveDurationMax() {
+        return mPwlePrimitiveDurationMax;
+    }
+
+    /**
+     * Query the maximum number of primitives supported in a PWLE composition.
+     *
+     * @return The max number of primitives supported, or zero if unlimited.
+     */
+    public int getPwleSizeMax() {
+        return mPwleSizeMax;
     }
 
     /**
@@ -408,51 +458,14 @@ public class VibratorInfo implements Parcelable {
     }
 
     private String[] getSupportedPrimitivesNames() {
-        if (mSupportedPrimitives == null) {
+        int supportedPrimitivesCount = mSupportedPrimitives.size();
-            return new String[0];
+        String[] names = new String[supportedPrimitivesCount];
-        }
+        for (int i = 0; i < supportedPrimitivesCount; i++) {
-        String[] names = new String[mSupportedPrimitives.size()];
-        for (int i = 0; i < mSupportedPrimitives.size(); i++) {
             names[i] = VibrationEffect.Composition.primitiveToString(mSupportedPrimitives.keyAt(i));
         }
         return names;
     }
 
-    /**
-     * Create a {@link SparseBooleanArray} from given {@code supportedKeys} where each key is mapped
-     * to {@code true}.
-     */
-    @Nullable
-    private static SparseBooleanArray toSparseBooleanArray(int[] supportedKeys) {
-        if (supportedKeys == null) {
-            return null;
-        }
-        SparseBooleanArray array = new SparseBooleanArray();
-        for (int key : supportedKeys) {
-            array.put(key, true);
-        }
-        return array;
-    }
-
-    /**
-     * Create a {@link SparseIntArray} from given {@code supportedKeys} where each key is mapped
-     * to the value indexed by it.
-     *
-     * <p>If {@code values} is null or does not contain a given key as a index, then zero is stored
-     * to the sparse array so it can still be used to query the supported keys.
-     */
-    @Nullable
-    private static SparseIntArray toSparseIntArray(int[] supportedKeys, int[] values) {
-        if (supportedKeys == null) {
-            return null;
-        }
-        SparseIntArray array = new SparseIntArray();
-        for (int key : supportedKeys) {
-            array.put(key, (values == null || key >= values.length) ? 0 : values[key]);
-        }
-        return array;
-    }
-
     /**
      * Describes how frequency should be mapped to absolute values for a specific {@link Vibrator}.
      *
@@ -675,11 +688,14 @@ public class VibratorInfo implements Parcelable {
     /** @hide */
     public static final class Builder {
         private final int mId;
-        private int mCapabilities = 0;
+        private long mCapabilities;
-        private int[] mSupportedEffects = null;
+        private SparseBooleanArray mSupportedEffects;
-        private int[] mSupportedBraking = null;
+        private SparseBooleanArray mSupportedBraking;
-        private int[] mSupportedPrimitives = null;
+        private SparseIntArray mSupportedPrimitives = new SparseIntArray();
-        private int[] mPrimitiveDurations = new int[0];
+        private int mPrimitiveDelayMax;
+        private int mCompositionSizeMax;
+        private int mPwlePrimitiveDurationMax;
+        private int mPwleSizeMax;
         private float mQFactor = Float.NaN;
         private FrequencyMapping mFrequencyMapping =
                 new FrequencyMapping(Float.NaN, Float.NaN, Float.NaN, Float.NaN, null);
@@ -691,7 +707,7 @@ public class VibratorInfo implements Parcelable {
 
         /** Configure the vibrator capabilities with a combination of IVibrator.CAP_* values. */
         @NonNull
-        public Builder setCapabilities(int capabilities) {
+        public Builder setCapabilities(long capabilities) {
             mCapabilities = capabilities;
             return this;
         }
@@ -699,34 +715,49 @@ public class VibratorInfo implements Parcelable {
         /** Configure the effects supported with {@link android.hardware.vibrator.Effect} values. */
         @NonNull
         public Builder setSupportedEffects(int... supportedEffects) {
-            mSupportedEffects = supportedEffects;
+            mSupportedEffects = toSparseBooleanArray(supportedEffects);
             return this;
         }
 
         /** Configure braking supported with {@link android.hardware.vibrator.Braking} values. */
         @NonNull
         public Builder setSupportedBraking(int... supportedBraking) {
-            mSupportedBraking = supportedBraking;
+            mSupportedBraking = toSparseBooleanArray(supportedBraking);
             return this;
         }
 
-        /**
+        /** Configure maximum duration, in milliseconds, of a PWLE primitive. */
-         * Configure the primitives supported with
-         * {@link android.hardware.vibrator.CompositePrimitive} values.
-         */
         @NonNull
-        public Builder setSupportedPrimitives(int... supportedPrimitives) {
+        public Builder setPwlePrimitiveDurationMax(int pwlePrimitiveDurationMax) {
-            mSupportedPrimitives = supportedPrimitives;
+            mPwlePrimitiveDurationMax = pwlePrimitiveDurationMax;
+            return this;
+        }
+
+        /** Configure maximum number of primitives supported in a single PWLE composed effect. */
+        @NonNull
+        public Builder setPwleSizeMax(int pwleSizeMax) {
+            mPwleSizeMax = pwleSizeMax;
             return this;
         }
 
         /** Configure the duration of a {@link android.hardware.vibrator.CompositePrimitive}. */
         @NonNull
-        public Builder setPrimitiveDuration(int primitiveId, int duration) {
+        public Builder setSupportedPrimitive(int primitiveId, int duration) {
-            if (mPrimitiveDurations.length <= primitiveId) {
+            mSupportedPrimitives.put(primitiveId, duration);
-                mPrimitiveDurations = Arrays.copyOf(mPrimitiveDurations, primitiveId + 1);
+            return this;
         }
-            mPrimitiveDurations[primitiveId] = duration;
+
+        /** Configure maximum delay, in milliseconds, supported in a composed effect primitive. */
+        @NonNull
+        public Builder setPrimitiveDelayMax(int primitiveDelayMax) {
+            mPrimitiveDelayMax = primitiveDelayMax;
+            return this;
+        }
+
+        /** Configure maximum number of primitives supported in a single composed effect. */
+        @NonNull
+        public Builder setCompositionSizeMax(int compositionSizeMax) {
+            mCompositionSizeMax = compositionSizeMax;
             return this;
         }
 
@@ -748,7 +779,25 @@ public class VibratorInfo implements Parcelable {
         @NonNull
         public VibratorInfo build() {
             return new VibratorInfo(mId, mCapabilities, mSupportedEffects, mSupportedBraking,
-                    mSupportedPrimitives, mPrimitiveDurations, mQFactor, mFrequencyMapping);
+                    mSupportedPrimitives, mPrimitiveDelayMax, mCompositionSizeMax,
+                    mPwlePrimitiveDurationMax, mPwleSizeMax, mQFactor, mFrequencyMapping);
+        }
+
+        /**
+         * Create a {@link SparseBooleanArray} from given {@code supportedKeys} where each key is
+         * mapped
+         * to {@code true}.
+         */
+        @Nullable
+        private static SparseBooleanArray toSparseBooleanArray(int[] supportedKeys) {
+            if (supportedKeys == null) {
+                return null;
+            }
+            SparseBooleanArray array = new SparseBooleanArray();
+            for (int key : supportedKeys) {
+                array.put(key, true);
+            }
+            return array;
         }
     }
 

core/tests/coretests/src/android/os/VibratorInfoTest.java

@@ -87,14 +87,14 @@ public class VibratorInfoTest {
     public void testIsPrimitiveSupported() {
         VibratorInfo info = new VibratorInfo.Builder(TEST_VIBRATOR_ID)
                 .setCapabilities(IVibrator.CAP_COMPOSE_EFFECTS)
-                .setSupportedPrimitives(VibrationEffect.Composition.PRIMITIVE_CLICK)
+                .setSupportedPrimitive(VibrationEffect.Composition.PRIMITIVE_CLICK, 10)
                 .build();
         assertTrue(info.isPrimitiveSupported(VibrationEffect.Composition.PRIMITIVE_CLICK));
         assertFalse(info.isPrimitiveSupported(VibrationEffect.Composition.PRIMITIVE_TICK));
 
         // Returns false when there is no compose capability.
         info = new VibratorInfo.Builder(TEST_VIBRATOR_ID)
-                .setSupportedPrimitives(VibrationEffect.Composition.PRIMITIVE_CLICK)
+                .setSupportedPrimitive(VibrationEffect.Composition.PRIMITIVE_CLICK, 10)
                 .build();
         assertFalse(info.isPrimitiveSupported(VibrationEffect.Composition.PRIMITIVE_CLICK));
     }
@@ -103,8 +103,7 @@ public class VibratorInfoTest {
     public void testGetPrimitiveDuration() {
         VibratorInfo info = new VibratorInfo.Builder(TEST_VIBRATOR_ID)
                 .setCapabilities(IVibrator.CAP_COMPOSE_EFFECTS)
-                .setSupportedPrimitives(VibrationEffect.Composition.PRIMITIVE_CLICK)
+                .setSupportedPrimitive(VibrationEffect.Composition.PRIMITIVE_CLICK, 20)
-                .setPrimitiveDuration(VibrationEffect.Composition.PRIMITIVE_CLICK, 20)
                 .build();
         assertEquals(20, info.getPrimitiveDuration(VibrationEffect.Composition.PRIMITIVE_CLICK));
         assertEquals(0, info.getPrimitiveDuration(VibrationEffect.Composition.PRIMITIVE_TICK));
@@ -112,6 +111,26 @@ public class VibratorInfoTest {
                 .getPrimitiveDuration(VibrationEffect.Composition.PRIMITIVE_TICK));
     }
 
+    @Test
+    public void testCompositionLimits() {
+        VibratorInfo info = new VibratorInfo.Builder(TEST_VIBRATOR_ID)
+                .setPrimitiveDelayMax(100)
+                .setCompositionSizeMax(10)
+                .setPwlePrimitiveDurationMax(50)
+                .setPwleSizeMax(20)
+                .build();
+        assertEquals(100, info.getPrimitiveDelayMax());
+        assertEquals(10, info.getCompositionSizeMax());
+        assertEquals(50, info.getPwlePrimitiveDurationMax());
+        assertEquals(20, info.getPwleSizeMax());
+
+        VibratorInfo emptyInfo = new VibratorInfo.Builder(TEST_VIBRATOR_ID).build();
+        assertEquals(0, emptyInfo.getPrimitiveDelayMax());
+        assertEquals(0, emptyInfo.getCompositionSizeMax());
+        assertEquals(0, emptyInfo.getPwlePrimitiveDurationMax());
+        assertEquals(0, emptyInfo.getPwleSizeMax());
+    }
+
     @Test
     public void testGetDefaultBraking_returnsFirstSupportedBraking() {
         assertEquals(Braking.NONE, new VibratorInfo.Builder(
@@ -263,8 +282,12 @@ public class VibratorInfoTest {
         VibratorInfo.Builder completeBuilder = new VibratorInfo.Builder(TEST_VIBRATOR_ID)
                 .setCapabilities(IVibrator.CAP_AMPLITUDE_CONTROL)
                 .setSupportedEffects(VibrationEffect.EFFECT_CLICK)
-                .setSupportedPrimitives(VibrationEffect.Composition.PRIMITIVE_CLICK)
+                .setSupportedPrimitive(VibrationEffect.Composition.PRIMITIVE_CLICK, 20)
-                .setPrimitiveDuration(VibrationEffect.Composition.PRIMITIVE_CLICK, 20)
+                .setPrimitiveDelayMax(100)
+                .setCompositionSizeMax(10)
+                .setSupportedBraking(Braking.CLAB)
+                .setPwlePrimitiveDurationMax(50)
+                .setPwleSizeMax(20)
                 .setQFactor(2f)
                 .setFrequencyMapping(TEST_FREQUENCY_MAPPING);
         VibratorInfo complete = completeBuilder.build();
@@ -279,8 +302,7 @@ public class VibratorInfoTest {
         assertNotEquals(complete, completeWithComposeControl);
 
         VibratorInfo completeWithNoEffects = completeBuilder
-                .setSupportedEffects()
+                .setSupportedEffects(new int[0])
-                .setSupportedPrimitives()
                 .build();
         assertNotEquals(complete, completeWithNoEffects);
 
@@ -289,13 +311,8 @@ public class VibratorInfoTest {
                 .build();
         assertNotEquals(complete, completeWithUnknownEffects);
 
-        VibratorInfo completeWithUnknownPrimitives = completeBuilder
-                .setSupportedPrimitives(null)
-                .build();
-        assertNotEquals(complete, completeWithUnknownPrimitives);
-
         VibratorInfo completeWithDifferentPrimitiveDuration = completeBuilder
-                .setPrimitiveDuration(VibrationEffect.Composition.PRIMITIVE_CLICK, 10)
+                .setSupportedPrimitive(VibrationEffect.Composition.PRIMITIVE_CLICK, 10)
                 .build();
         assertNotEquals(complete, completeWithDifferentPrimitiveDuration);
 
@@ -321,12 +338,17 @@ public class VibratorInfoTest {
                 .build();
         assertNotEquals(complete, completeWithDifferentQFactor);
 
-        VibratorInfo empty = new VibratorInfo.Builder(TEST_VIBRATOR_ID).build();
+        VibratorInfo unknownEffectSupport = new VibratorInfo.Builder(TEST_VIBRATOR_ID).build();
-        VibratorInfo emptyWithKnownSupport = new VibratorInfo.Builder(TEST_VIBRATOR_ID)
+        VibratorInfo knownEmptyEffectSupport = new VibratorInfo.Builder(TEST_VIBRATOR_ID)
-                .setSupportedEffects()
+                .setSupportedEffects(new int[0])
-                .setSupportedPrimitives()
                 .build();
-        assertNotEquals(empty, emptyWithKnownSupport);
+        assertNotEquals(unknownEffectSupport, knownEmptyEffectSupport);
+
+        VibratorInfo unknownBrakingSupport = new VibratorInfo.Builder(TEST_VIBRATOR_ID).build();
+        VibratorInfo knownEmptyBrakingSupport = new VibratorInfo.Builder(TEST_VIBRATOR_ID)
+                .setSupportedBraking(new int[0])
+                .build();
+        assertNotEquals(unknownBrakingSupport, knownEmptyBrakingSupport);
     }
 
     @Test
@@ -334,8 +356,7 @@ public class VibratorInfoTest {
         VibratorInfo original = new VibratorInfo.Builder(TEST_VIBRATOR_ID)
                 .setCapabilities(IVibrator.CAP_COMPOSE_EFFECTS)
                 .setSupportedEffects(VibrationEffect.EFFECT_CLICK)
-                .setSupportedPrimitives(VibrationEffect.Composition.PRIMITIVE_CLICK)
+                .setSupportedPrimitive(VibrationEffect.Composition.PRIMITIVE_CLICK, 20)
-                .setPrimitiveDuration(VibrationEffect.Composition.PRIMITIVE_CLICK, 20)
                 .setQFactor(Float.NaN)
                 .setFrequencyMapping(TEST_FREQUENCY_MAPPING)
                 .build();

services/core/java/com/android/server/vibrator/VibrationThread.java

@@ -844,7 +844,12 @@ final class VibrationThread extends Thread implements IBinder.DeathRecipient {
         public List<Step> play() {
             Trace.traceBegin(Trace.TRACE_TAG_VIBRATOR, "ComposePrimitivesStep");
             try {
-                int segmentCount = effect.getSegments().size();
+                // Load the next PrimitiveSegments to create a single compose call to the vibrator,
+                // limited to the vibrator composition maximum size.
+                int limit = controller.getVibratorInfo().getCompositionSizeMax();
+                int segmentCount = limit > 0
+                        ? Math.min(effect.getSegments().size(), segmentIndex + limit)
+                        : effect.getSegments().size();
                 List<PrimitiveSegment> primitives = new ArrayList<>();
                 for (int i = segmentIndex; i < segmentCount; i++) {
                     VibrationEffectSegment segment = effect.getSegments().get(i);
@@ -896,7 +901,12 @@ final class VibrationThread extends Thread implements IBinder.DeathRecipient {
         public List<Step> play() {
             Trace.traceBegin(Trace.TRACE_TAG_VIBRATOR, "ComposePwleStep");
             try {
-                int segmentCount = effect.getSegments().size();
+                // Load the next RampSegments to create a single composePwle call to the vibrator,
+                // limited to the vibrator PWLE maximum size.
+                int limit = controller.getVibratorInfo().getPwleSizeMax();
+                int segmentCount = limit > 0
+                        ? Math.min(effect.getSegments().size(), segmentIndex + limit)
+                        : effect.getSegments().size();
                 List<RampSegment> pwles = new ArrayList<>();
                 for (int i = segmentIndex; i < segmentCount; i++) {
                     VibrationEffectSegment segment = effect.getSegments().get(i);

services/core/java/com/android/server/vibrator/VibratorController.java

@@ -30,18 +30,23 @@ import android.util.Slog;
 
 import com.android.internal.annotations.GuardedBy;
 import com.android.internal.annotations.VisibleForTesting;
-import com.android.internal.util.Preconditions;
 
 import libcore.util.NativeAllocationRegistry;
 
 /** Controls a single vibrator. */
 final class VibratorController {
     private static final String TAG = "VibratorController";
+    // TODO(b/167947076): load suggested range from config
+    private static final int SUGGESTED_FREQUENCY_SAFE_RANGE = 200;
 
     private final Object mLock = new Object();
     private final NativeWrapper mNativeWrapper;
-    private final VibratorInfo mVibratorInfo;
+    private final VibratorInfo.Builder mVibratorInfoBuilder;
 
+    @GuardedBy("mLock")
+    private VibratorInfo mVibratorInfo;
+    @GuardedBy("mLock")
+    private boolean mVibratorInfoLoaded;
     @GuardedBy("mLock")
     private final RemoteCallbackList<IVibratorStateListener> mVibratorStateListeners =
             new RemoteCallbackList<>();
@@ -66,10 +71,10 @@ final class VibratorController {
             NativeWrapper nativeWrapper) {
         mNativeWrapper = nativeWrapper;
         mNativeWrapper.init(vibratorId, listener);
-        // TODO(b/167947076): load suggested range from config
+        mVibratorInfoBuilder = new VibratorInfo.Builder(vibratorId);
-        mVibratorInfo = mNativeWrapper.getInfo(/* suggestedFrequencyRange= */ 200);
+        mVibratorInfoLoaded = mNativeWrapper.getInfo(SUGGESTED_FREQUENCY_SAFE_RANGE,
-        Preconditions.checkNotNull(mVibratorInfo, "Failed to retrieve data for vibrator %d",
+                mVibratorInfoBuilder);
-                vibratorId);
+        mVibratorInfo = mVibratorInfoBuilder.build();
     }
 
     /** Register state listener for this vibrator. */
@@ -103,8 +108,16 @@ final class VibratorController {
 
     /** Return the {@link VibratorInfo} representing the vibrator controlled by this instance. */
     public VibratorInfo getVibratorInfo() {
+        synchronized (mLock) {
+            if (!mVibratorInfoLoaded) {
+                // Try to load the vibrator metadata that has failed in the last attempt.
+                mVibratorInfoLoaded = mNativeWrapper.getInfo(SUGGESTED_FREQUENCY_SAFE_RANGE,
+                        mVibratorInfoBuilder);
+                mVibratorInfo = mVibratorInfoBuilder.build();
+            }
             return mVibratorInfo;
         }
+    }
 
     /**
      * Return {@code true} is this vibrator is currently vibrating, false otherwise.
@@ -361,7 +374,8 @@ final class VibratorController {
 
         private static native void alwaysOnDisable(long nativePtr, long id);
 
-        private static native VibratorInfo getInfo(long nativePtr, float suggestedFrequencyRange);
+        private static native boolean getInfo(long nativePtr, float suggestedFrequencyRange,
+                VibratorInfo.Builder infoBuilder);
 
         private long mNativePtr = 0;
 
@@ -428,9 +442,11 @@ final class VibratorController {
             alwaysOnDisable(mNativePtr, id);
         }
 
-        /** Return device vibrator metadata. */
+        /**
-        public VibratorInfo getInfo(float suggestedFrequencyRange) {
+         * Loads device vibrator metadata and returns true if all metadata was loaded successfully.
-            return getInfo(mNativePtr, suggestedFrequencyRange);
+         */
+        public boolean getInfo(float suggestedFrequencyRange, VibratorInfo.Builder infoBuilder) {
+            return getInfo(mNativePtr, suggestedFrequencyRange, infoBuilder);
         }
     }
 }

services/core/jni/com_android_server_vibrator_VibratorController.cpp

@@ -41,8 +41,18 @@ static JavaVM* sJvm = nullptr;
 static jmethodID sMethodIdOnComplete;
 static jclass sFrequencyMappingClass;
 static jmethodID sFrequencyMappingCtor;
-static jclass sVibratorInfoClass;
+static struct {
-static jmethodID sVibratorInfoCtor;
+    jmethodID setCapabilities;
+    jmethodID setSupportedEffects;
+    jmethodID setSupportedBraking;
+    jmethodID setPwlePrimitiveDurationMax;
+    jmethodID setPwleSizeMax;
+    jmethodID setSupportedPrimitive;
+    jmethodID setPrimitiveDelayMax;
+    jmethodID setCompositionSizeMax;
+    jmethodID setQFactor;
+    jmethodID setFrequencyMapping;
+} sVibratorInfoBuilderClassInfo;
 static struct {
     jfieldID id;
     jfieldID scale;
@@ -352,68 +362,88 @@ static void vibratorAlwaysOnDisable(JNIEnv* env, jclass /* clazz */, jlong ptr,
     wrapper->halCall<void>(alwaysOnDisableFn, "alwaysOnDisable");
 }
 
-static jobject vibratorGetInfo(JNIEnv* env, jclass /* clazz */, jlong ptr,
+static jboolean vibratorGetInfo(JNIEnv* env, jclass /* clazz */, jlong ptr,
-                               jfloat suggestedSafeRange) {
+                                jfloat suggestedSafeRange, jobject vibratorInfoBuilder) {
     VibratorControllerWrapper* wrapper = reinterpret_cast<VibratorControllerWrapper*>(ptr);
     if (wrapper == nullptr) {
         ALOGE("vibratorGetInfo failed because native wrapper was not initialized");
-        return nullptr;
+        return JNI_FALSE;
     }
     vibrator::Info info = wrapper->getVibratorInfo();
 
-    jlong capabilities =
+    if (info.capabilities.isOk()) {
-            static_cast<jlong>(info.capabilities.valueOr(vibrator::Capabilities::NONE));
+        env->CallObjectMethod(vibratorInfoBuilder, sVibratorInfoBuilderClassInfo.setCapabilities,
-    jfloat minFrequency = static_cast<jfloat>(info.minFrequency.valueOr(NAN));
+                              static_cast<jlong>(info.capabilities.value()));
-    jfloat resonantFrequency = static_cast<jfloat>(info.resonantFrequency.valueOr(NAN));
+    }
-    jfloat frequencyResolution = static_cast<jfloat>(info.frequencyResolution.valueOr(NAN));
-    jfloat qFactor = static_cast<jfloat>(info.qFactor.valueOr(NAN));
-    jintArray supportedEffects = nullptr;
-    jintArray supportedBraking = nullptr;
-    jintArray supportedPrimitives = nullptr;
-    jintArray primitiveDurations = nullptr;
-    jfloatArray maxAmplitudes = nullptr;
-
     if (info.supportedEffects.isOk()) {
         std::vector<aidl::Effect> effects = info.supportedEffects.value();
-        supportedEffects = env->NewIntArray(effects.size());
+        jintArray supportedEffects = env->NewIntArray(effects.size());
         env->SetIntArrayRegion(supportedEffects, 0, effects.size(),
                                reinterpret_cast<jint*>(effects.data()));
+        env->CallObjectMethod(vibratorInfoBuilder,
+                              sVibratorInfoBuilderClassInfo.setSupportedEffects, supportedEffects);
     }
     if (info.supportedBraking.isOk()) {
         std::vector<aidl::Braking> braking = info.supportedBraking.value();
-        supportedBraking = env->NewIntArray(braking.size());
+        jintArray supportedBraking = env->NewIntArray(braking.size());
         env->SetIntArrayRegion(supportedBraking, 0, braking.size(),
                                reinterpret_cast<jint*>(braking.data()));
+        env->CallObjectMethod(vibratorInfoBuilder,
+                              sVibratorInfoBuilderClassInfo.setSupportedBraking, supportedBraking);
+    }
+    if (info.pwlePrimitiveDurationMax.isOk()) {
+        env->CallObjectMethod(vibratorInfoBuilder,
+                              sVibratorInfoBuilderClassInfo.setPwlePrimitiveDurationMax,
+                              static_cast<jint>(info.pwlePrimitiveDurationMax.value().count()));
+    }
+    if (info.pwleSizeMax.isOk()) {
+        // Use (pwleMaxSize - 1) to account for a possible extra braking segment added by the
+        // vibratorPerformPwleEffect method.
+        env->CallObjectMethod(vibratorInfoBuilder, sVibratorInfoBuilderClassInfo.setPwleSizeMax,
+                              static_cast<jint>(info.pwleSizeMax.value() - 1));
     }
     if (info.supportedPrimitives.isOk()) {
-        std::vector<aidl::CompositePrimitive> primitives = info.supportedPrimitives.value();
+        auto durations = info.primitiveDurations.valueOr({});
-        supportedPrimitives = env->NewIntArray(primitives.size());
+        for (auto& primitive : info.supportedPrimitives.value()) {
-        env->SetIntArrayRegion(supportedPrimitives, 0, primitives.size(),
+            auto primitiveIdx = static_cast<size_t>(primitive);
-                               reinterpret_cast<jint*>(primitives.data()));
+            auto duration = durations.size() > primitiveIdx ? durations[primitiveIdx].count() : 0;
+            env->CallObjectMethod(vibratorInfoBuilder,
+                                  sVibratorInfoBuilderClassInfo.setSupportedPrimitive,
+                                  static_cast<jint>(primitive), static_cast<jint>(duration));
         }
-    if (info.primitiveDurations.isOk()) {
-        std::vector<int32_t> durations;
-        for (auto duration : info.primitiveDurations.value()) {
-            durations.push_back(duration.count());
     }
-        primitiveDurations = env->NewIntArray(durations.size());
+    if (info.primitiveDelayMax.isOk()) {
-        env->SetIntArrayRegion(primitiveDurations, 0, durations.size(),
+        env->CallObjectMethod(vibratorInfoBuilder,
-                               reinterpret_cast<jint*>(durations.data()));
+                              sVibratorInfoBuilderClassInfo.setPrimitiveDelayMax,
+                              static_cast<jint>(info.primitiveDelayMax.value().count()));
     }
+    if (info.compositionSizeMax.isOk()) {
+        env->CallObjectMethod(vibratorInfoBuilder,
+                              sVibratorInfoBuilderClassInfo.setCompositionSizeMax,
+                              static_cast<jint>(info.compositionSizeMax.value()));
+    }
+    if (info.qFactor.isOk()) {
+        env->CallObjectMethod(vibratorInfoBuilder, sVibratorInfoBuilderClassInfo.setQFactor,
+                              static_cast<jfloat>(info.qFactor.value()));
+    }
+
+    jfloat minFrequency = static_cast<jfloat>(info.minFrequency.valueOr(NAN));
+    jfloat resonantFrequency = static_cast<jfloat>(info.resonantFrequency.valueOr(NAN));
+    jfloat frequencyResolution = static_cast<jfloat>(info.frequencyResolution.valueOr(NAN));
+    jfloatArray maxAmplitudes = nullptr;
     if (info.maxAmplitudes.isOk()) {
         std::vector<float> amplitudes = info.maxAmplitudes.value();
         maxAmplitudes = env->NewFloatArray(amplitudes.size());
         env->SetFloatArrayRegion(maxAmplitudes, 0, amplitudes.size(),
                                  reinterpret_cast<jfloat*>(amplitudes.data()));
     }
-
     jobject frequencyMapping = env->NewObject(sFrequencyMappingClass, sFrequencyMappingCtor,
                                               minFrequency, resonantFrequency, frequencyResolution,
                                               suggestedSafeRange, maxAmplitudes);
+    env->CallObjectMethod(vibratorInfoBuilder, sVibratorInfoBuilderClassInfo.setFrequencyMapping,
+                          frequencyMapping);
 
-    return env->NewObject(sVibratorInfoClass, sVibratorInfoCtor, wrapper->getVibratorId(),
+    return info.checkAndLogFailure("vibratorGetInfo") ? JNI_FALSE : JNI_TRUE;
-                          capabilities, supportedEffects, supportedBraking, supportedPrimitives,
-                          primitiveDurations, qFactor, frequencyMapping);
 }
 
 static const JNINativeMethod method_table[] = {
@@ -433,7 +463,7 @@ static const JNINativeMethod method_table[] = {
         {"setExternalControl", "(JZ)V", (void*)vibratorSetExternalControl},
         {"alwaysOnEnable", "(JJJJ)V", (void*)vibratorAlwaysOnEnable},
         {"alwaysOnDisable", "(JJ)V", (void*)vibratorAlwaysOnDisable},
-        {"getInfo", "(JF)Landroid/os/VibratorInfo;", (void*)vibratorGetInfo},
+        {"getInfo", "(JFLandroid/os/VibratorInfo$Builder;)Z", (void*)vibratorGetInfo},
 };
 
 int register_android_server_vibrator_VibratorController(JavaVM* jvm, JNIEnv* env) {
@@ -459,11 +489,38 @@ int register_android_server_vibrator_VibratorController(JavaVM* jvm, JNIEnv* env
     sFrequencyMappingClass = static_cast<jclass>(env->NewGlobalRef(frequencyMappingClass));
     sFrequencyMappingCtor = GetMethodIDOrDie(env, sFrequencyMappingClass, "<init>", "(FFFF[F)V");
 
-    jclass vibratorInfoClass = FindClassOrDie(env, "android/os/VibratorInfo");
+    jclass vibratorInfoBuilderClass = FindClassOrDie(env, "android/os/VibratorInfo$Builder");
-    sVibratorInfoClass = (jclass)env->NewGlobalRef(vibratorInfoClass);
+    sVibratorInfoBuilderClassInfo.setCapabilities =
-    sVibratorInfoCtor =
+            GetMethodIDOrDie(env, vibratorInfoBuilderClass, "setCapabilities",
-            GetMethodIDOrDie(env, sVibratorInfoClass, "<init>",
+                             "(J)Landroid/os/VibratorInfo$Builder;");
-                             "(IJ[I[I[I[IFLandroid/os/VibratorInfo$FrequencyMapping;)V");
+    sVibratorInfoBuilderClassInfo.setSupportedEffects =
+            GetMethodIDOrDie(env, vibratorInfoBuilderClass, "setSupportedEffects",
+                             "([I)Landroid/os/VibratorInfo$Builder;");
+    sVibratorInfoBuilderClassInfo.setSupportedBraking =
+            GetMethodIDOrDie(env, vibratorInfoBuilderClass, "setSupportedBraking",
+                             "([I)Landroid/os/VibratorInfo$Builder;");
+    sVibratorInfoBuilderClassInfo.setPwlePrimitiveDurationMax =
+            GetMethodIDOrDie(env, vibratorInfoBuilderClass, "setPwlePrimitiveDurationMax",
+                             "(I)Landroid/os/VibratorInfo$Builder;");
+    sVibratorInfoBuilderClassInfo.setPwleSizeMax =
+            GetMethodIDOrDie(env, vibratorInfoBuilderClass, "setPwleSizeMax",
+                             "(I)Landroid/os/VibratorInfo$Builder;");
+    sVibratorInfoBuilderClassInfo.setSupportedPrimitive =
+            GetMethodIDOrDie(env, vibratorInfoBuilderClass, "setSupportedPrimitive",
+                             "(II)Landroid/os/VibratorInfo$Builder;");
+    sVibratorInfoBuilderClassInfo.setPrimitiveDelayMax =
+            GetMethodIDOrDie(env, vibratorInfoBuilderClass, "setPrimitiveDelayMax",
+                             "(I)Landroid/os/VibratorInfo$Builder;");
+    sVibratorInfoBuilderClassInfo.setCompositionSizeMax =
+            GetMethodIDOrDie(env, vibratorInfoBuilderClass, "setCompositionSizeMax",
+                             "(I)Landroid/os/VibratorInfo$Builder;");
+    sVibratorInfoBuilderClassInfo.setQFactor =
+            GetMethodIDOrDie(env, vibratorInfoBuilderClass, "setQFactor",
+                             "(F)Landroid/os/VibratorInfo$Builder;");
+    sVibratorInfoBuilderClassInfo.setFrequencyMapping =
+            GetMethodIDOrDie(env, vibratorInfoBuilderClass, "setFrequencyMapping",
+                             "(Landroid/os/VibratorInfo$FrequencyMapping;)"
+                             "Landroid/os/VibratorInfo$Builder;");
 
     return jniRegisterNativeMethods(env,
                                     "com/android/server/vibrator/VibratorController$NativeWrapper",

services/tests/servicestests/src/com/android/server/vibrator/FakeVibratorControllerProvider.java

@@ -56,6 +56,8 @@ final class FakeVibratorControllerProvider {
     private int[] mSupportedEffects;
     private int[] mSupportedBraking;
     private int[] mSupportedPrimitives;
+    private int mCompositionSizeMax;
+    private int mPwleSizeMax;
     private float mMinFrequency = Float.NaN;
     private float mResonantFrequency = Float.NaN;
     private float mFrequencyResolution = Float.NaN;
@@ -151,12 +153,22 @@ final class FakeVibratorControllerProvider {
         }
 
         @Override
-        public VibratorInfo getInfo(float suggestedFrequencyRange) {
+        public boolean getInfo(float suggestedFrequencyRange, VibratorInfo.Builder infoBuilder) {
-            VibratorInfo.FrequencyMapping frequencyMapping = new VibratorInfo.FrequencyMapping(
+            infoBuilder.setCapabilities(mCapabilities);
-                    mMinFrequency, mResonantFrequency, mFrequencyResolution,
+            infoBuilder.setSupportedBraking(mSupportedBraking);
-                    suggestedFrequencyRange, mMaxAmplitudes);
+            infoBuilder.setPwleSizeMax(mPwleSizeMax);
-            return new VibratorInfo(vibratorId, mCapabilities, mSupportedEffects, mSupportedBraking,
+            infoBuilder.setSupportedEffects(mSupportedEffects);
-                    mSupportedPrimitives, null, mQFactor, frequencyMapping);
+            if (mSupportedPrimitives != null) {
+                for (int primitive : mSupportedPrimitives) {
+                    infoBuilder.setSupportedPrimitive(primitive, EFFECT_DURATION);
+                }
+            }
+            infoBuilder.setCompositionSizeMax(mCompositionSizeMax);
+            infoBuilder.setQFactor(mQFactor);
+            infoBuilder.setFrequencyMapping(new VibratorInfo.FrequencyMapping(mMinFrequency,
+                    mResonantFrequency, mFrequencyResolution, suggestedFrequencyRange,
+                    mMaxAmplitudes));
+            return true;
         }
 
         private void applyLatency() {
@@ -236,6 +248,16 @@ final class FakeVibratorControllerProvider {
         mSupportedPrimitives = primitives;
     }
 
+    /** Set the max number of primitives allowed in a composition by the fake vibrator hardware. */
+    public void setCompositionSizeMax(int compositionSizeMax) {
+        mCompositionSizeMax = compositionSizeMax;
+    }
+
+    /** Set the max number of PWLEs allowed in a composition by the fake vibrator hardware. */
+    public void setPwleSizeMax(int pwleSizeMax) {
+        mPwleSizeMax = pwleSizeMax;
+    }
+
     /** Set the resonant frequency of the fake vibrator hardware. */
     public void setResonantFrequency(float frequencyHz) {
         mResonantFrequency = frequencyHz;

services/tests/servicestests/src/com/android/server/vibrator/VibrationThreadTest.java

@@ -356,7 +356,8 @@ public class VibrationThreadTest {
 
     @Test
     public void vibrate_singleVibratorComposed_runsVibration() throws Exception {
-        mVibratorProviders.get(VIBRATOR_ID).setCapabilities(IVibrator.CAP_COMPOSE_EFFECTS);
+        FakeVibratorControllerProvider fakeVibrator = mVibratorProviders.get(VIBRATOR_ID);
+        fakeVibrator.setCapabilities(IVibrator.CAP_COMPOSE_EFFECTS);
 
         long vibrationId = 1;
         VibrationEffect effect = VibrationEffect.startComposition()
@@ -374,7 +375,7 @@ public class VibrationThreadTest {
         assertEquals(Arrays.asList(
                 expectedPrimitive(VibrationEffect.Composition.PRIMITIVE_CLICK, 1, 0),
                 expectedPrimitive(VibrationEffect.Composition.PRIMITIVE_TICK, 0.5f, 0)),
-                mVibratorProviders.get(VIBRATOR_ID).getEffectSegments());
+                fakeVibrator.getEffectSegments());
     }
 
     @Test
@@ -394,6 +395,27 @@ public class VibrationThreadTest {
         assertTrue(mVibratorProviders.get(VIBRATOR_ID).getEffectSegments().isEmpty());
     }
 
+    @Test
+    public void vibrate_singleVibratorLargeComposition_splitsVibratorComposeCalls() {
+        FakeVibratorControllerProvider fakeVibrator = mVibratorProviders.get(VIBRATOR_ID);
+        fakeVibrator.setCapabilities(IVibrator.CAP_COMPOSE_EFFECTS);
+        fakeVibrator.setCompositionSizeMax(2);
+
+        long vibrationId = 1;
+        VibrationEffect effect = VibrationEffect.startComposition()
+                .addPrimitive(VibrationEffect.Composition.PRIMITIVE_CLICK, 1f)
+                .addPrimitive(VibrationEffect.Composition.PRIMITIVE_TICK, 0.5f)
+                .addPrimitive(VibrationEffect.Composition.PRIMITIVE_SPIN, 0.8f)
+                .compose();
+        VibrationThread thread = startThreadAndDispatcher(vibrationId, effect);
+        waitForCompletion(thread);
+
+        verify(mThreadCallbacks).onVibrationEnded(eq(vibrationId), eq(Vibration.Status.FINISHED));
+        // Vibrator compose called twice.
+        verify(mControllerCallbacks, times(2)).onComplete(eq(VIBRATOR_ID), eq(vibrationId));
+        assertEquals(3, fakeVibrator.getEffectSegments().size());
+    }
+
     @Test
     public void vibrate_singleVibratorComposedEffects_runsDifferentVibrations() throws Exception {
         mVibratorProviders.get(VIBRATOR_ID).setSupportedEffects(VibrationEffect.EFFECT_CLICK);
@@ -432,12 +454,13 @@ public class VibrationThreadTest {
 
     @Test
     public void vibrate_singleVibratorPwle_runsComposePwle() throws Exception {
-        mVibratorProviders.get(VIBRATOR_ID).setCapabilities(IVibrator.CAP_COMPOSE_PWLE_EFFECTS);
+        FakeVibratorControllerProvider fakeVibrator = mVibratorProviders.get(VIBRATOR_ID);
-        mVibratorProviders.get(VIBRATOR_ID).setSupportedBraking(Braking.CLAB);
+        fakeVibrator.setCapabilities(IVibrator.CAP_COMPOSE_PWLE_EFFECTS);
-        mVibratorProviders.get(VIBRATOR_ID).setMinFrequency(100);
+        fakeVibrator.setSupportedBraking(Braking.CLAB);
-        mVibratorProviders.get(VIBRATOR_ID).setResonantFrequency(150);
+        fakeVibrator.setMinFrequency(100);
-        mVibratorProviders.get(VIBRATOR_ID).setFrequencyResolution(50);
+        fakeVibrator.setResonantFrequency(150);
-        mVibratorProviders.get(VIBRATOR_ID).setMaxAmplitudes(
+        fakeVibrator.setFrequencyResolution(50);
+        fakeVibrator.setMaxAmplitudes(
                 0.5f /* 100Hz*/, 1 /* 150Hz */, 0.6f /* 200Hz */);
 
         long vibrationId = 1;
@@ -462,8 +485,34 @@ public class VibrationThreadTest {
                 expectedRamp(/* amplitude= */ 0.6f, /* frequency= */ 200, /* duration= */ 30),
                 expectedRamp(/* StartAmplitude= */ 0.6f, /* endAmplitude= */ 0.5f,
                         /* startFrequency= */ 200, /* endFrequency= */ 100, /* duration= */ 40)),
-                mVibratorProviders.get(VIBRATOR_ID).getEffectSegments());
+                fakeVibrator.getEffectSegments());
-        assertEquals(Arrays.asList(Braking.CLAB), mVibratorProviders.get(VIBRATOR_ID).getBraking());
+        assertEquals(Arrays.asList(Braking.CLAB), fakeVibrator.getBraking());
+    }
+
+    @Test
+    public void vibrate_singleVibratorLargePwle_splitsVibratorComposeCalls() {
+        FakeVibratorControllerProvider fakeVibrator = mVibratorProviders.get(VIBRATOR_ID);
+        fakeVibrator.setCapabilities(IVibrator.CAP_COMPOSE_PWLE_EFFECTS);
+        fakeVibrator.setMinFrequency(100);
+        fakeVibrator.setResonantFrequency(150);
+        fakeVibrator.setFrequencyResolution(50);
+        fakeVibrator.setMaxAmplitudes(1, 1, 1);
+        fakeVibrator.setPwleSizeMax(2);
+
+        long vibrationId = 1;
+        VibrationEffect effect = VibrationEffect.startWaveform()
+                .addStep(1, 10)
+                .addRamp(0, 20)
+                .addStep(0.8f, 1, 30)
+                .addRamp(0.6f, -1, 40)
+                .build();
+        VibrationThread thread = startThreadAndDispatcher(vibrationId, effect);
+        waitForCompletion(thread);
+
+        verify(mThreadCallbacks).onVibrationEnded(eq(vibrationId), eq(Vibration.Status.FINISHED));
+        // Vibrator compose called twice.
+        verify(mControllerCallbacks, times(2)).onComplete(eq(VIBRATOR_ID), eq(vibrationId));
+        assertEquals(4, fakeVibrator.getEffectSegments().size());
     }
 
     @Test

services/tests/servicestests/src/com/android/server/vibrator/VibratorControllerTest.java

@@ -298,11 +298,13 @@ public class VibratorControllerTest {
     private void mockVibratorCapabilities(int capabilities) {
         VibratorInfo.FrequencyMapping frequencyMapping = new VibratorInfo.FrequencyMapping(
                 Float.NaN, Float.NaN, Float.NaN, Float.NaN, null);
-        when(mNativeWrapperMock.getInfo(anyFloat())).thenReturn(
+        when(mNativeWrapperMock.getInfo(anyFloat(), any(VibratorInfo.Builder.class)))
-                new VibratorInfo.Builder(VIBRATOR_ID)
+                .then(invocation -> {
+                    ((VibratorInfo.Builder) invocation.getArgument(1))
                             .setCapabilities(capabilities)
-                        .setFrequencyMapping(frequencyMapping)
+                            .setFrequencyMapping(frequencyMapping);
-                        .build());
+                    return true;
+                });
     }
 
     private PrebakedSegment createPrebaked(int effectId, int effectStrength) {