Add isResampled field to PointerCoords. (afb31288) · Commits · e / os / android_frameworks_native

include/input/Input.h

+12 −1

Original line number	Original line	Diff line number	Diff line
	@@ -368,7 +368,7 @@ constexpr float AMOTION_EVENT_INVALID_CURSOR_POSITION = std::numeric_limits<floa
	* Pointer coordinate data.		* Pointer coordinate data.
	*/		*/
	struct PointerCoords {		struct PointerCoords {
	enum { MAX_AXES = 30 }; // 30 so that sizeof(PointerCoords) == 128		enum { MAX_AXES = 30 }; // 30 so that sizeof(PointerCoords) == 136

	// Bitfield of axes that are present in this structure.		// Bitfield of axes that are present in this structure.
	uint64_t bits __attribute__((aligned(8)));		uint64_t bits __attribute__((aligned(8)));
	@@ -377,8 +377,15 @@ struct PointerCoords {
	// for each axis that is present in the structure according to 'bits'.		// for each axis that is present in the structure according to 'bits'.
	std::array<float, MAX_AXES> values;		std::array<float, MAX_AXES> values;

			// Whether these coordinate data were generated by resampling.
			bool isResampled;

			static_assert(sizeof(bool) == 1); // Ensure padding is correctly sized.
			uint8_t empty[7];

	inline void clear() {		inline void clear() {
	BitSet64::clear(bits);		BitSet64::clear(bits);
			isResampled = false;
	}		}

	bool isEmpty() const {		bool isEmpty() const {
	@@ -769,6 +776,10 @@ public:
	AMOTION_EVENT_AXIS_ORIENTATION, pointerIndex, historicalIndex);		AMOTION_EVENT_AXIS_ORIENTATION, pointerIndex, historicalIndex);
	}		}

			inline bool isResampled(size_t pointerIndex, size_t historicalIndex) const {
			return getHistoricalRawPointerCoords(pointerIndex, historicalIndex)->isResampled;
			}

	ssize_t findPointerIndex(int32_t pointerId) const;		ssize_t findPointerIndex(int32_t pointerId) const;

	void initialize(int32_t id, int32_t deviceId, uint32_t source, int32_t displayId,		void initialize(int32_t id, int32_t deviceId, uint32_t source, int32_t displayId,

libs/input/Input.cpp

+7 −0

Original line number	Original line	Diff line number	Diff line
	@@ -411,6 +411,8 @@ status_t PointerCoords::readFromParcel(Parcel* parcel) {
	for (uint32_t i = 0; i < count; i++) {		for (uint32_t i = 0; i < count; i++) {
	values[i] = parcel->readFloat();		values[i] = parcel->readFloat();
	}		}

			isResampled = parcel->readBool();
	return OK;		return OK;
	}		}

	@@ -421,6 +423,8 @@ status_t PointerCoords::writeToParcel(Parcel* parcel) const {
	for (uint32_t i = 0; i < count; i++) {		for (uint32_t i = 0; i < count; i++) {
	parcel->writeFloat(values[i]);		parcel->writeFloat(values[i]);
	}		}

			parcel->writeBool(isResampled);
	return OK;		return OK;
	}		}
	#endif		#endif
	@@ -440,6 +444,9 @@ bool PointerCoords::operator==(const PointerCoords& other) const {
	return false;		return false;
	}		}
	}		}
			if (isResampled != other.isResampled) {
			return false;
			}
	return true;		return true;
	}		}

libs/input/InputTransport.cpp

+6 −0

Original line number	Original line	Diff line number	Diff line
	@@ -267,6 +267,8 @@ void InputMessage::getSanitizedCopy(InputMessage* msg) const {
	memcpy(&msg->body.motion.pointers[i].coords.values[0],		memcpy(&msg->body.motion.pointers[i].coords.values[0],
	&body.motion.pointers[i].coords.values[0],		&body.motion.pointers[i].coords.values[0],
	count * (sizeof(body.motion.pointers[i].coords.values[0])));		count * (sizeof(body.motion.pointers[i].coords.values[0])));
			msg->body.motion.pointers[i].coords.isResampled =
			body.motion.pointers[i].coords.isResampled;
	}		}
	break;		break;
	}		}
	@@ -1079,6 +1081,7 @@ void InputConsumer::rewriteMessage(TouchState& state, InputMessage& msg) {
	#endif		#endif
	msgCoords.setAxisValue(AMOTION_EVENT_AXIS_X, resampleCoords.getX());		msgCoords.setAxisValue(AMOTION_EVENT_AXIS_X, resampleCoords.getX());
	msgCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, resampleCoords.getY());		msgCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, resampleCoords.getY());
			msgCoords.isResampled = true;
	} else {		} else {
	state.lastResample.idBits.clearBit(id);		state.lastResample.idBits.clearBit(id);
	}		}
	@@ -1191,6 +1194,8 @@ void InputConsumer::resampleTouchState(nsecs_t sampleTime, MotionEvent* event,
	// We maintain the previously resampled value for this pointer (stored in		// We maintain the previously resampled value for this pointer (stored in
	// oldLastResample) when the coordinates for this pointer haven't changed since then.		// oldLastResample) when the coordinates for this pointer haven't changed since then.
	// This way we don't introduce artificial jitter when pointers haven't actually moved.		// This way we don't introduce artificial jitter when pointers haven't actually moved.
			// The isResampled flag isn't cleared as the values don't reflect what the device is
			// actually reporting.

	// We know here that the coordinates for the pointer haven't changed because we		// We know here that the coordinates for the pointer haven't changed because we
	// would've cleared the resampled bit in rewriteMessage if they had. We can't modify		// would've cleared the resampled bit in rewriteMessage if they had. We can't modify
	@@ -1209,6 +1214,7 @@ void InputConsumer::resampleTouchState(nsecs_t sampleTime, MotionEvent* event,
	lerp(currentCoords.getX(), otherCoords.getX(), alpha));		lerp(currentCoords.getX(), otherCoords.getX(), alpha));
	resampledCoords.setAxisValue(AMOTION_EVENT_AXIS_Y,		resampledCoords.setAxisValue(AMOTION_EVENT_AXIS_Y,
	lerp(currentCoords.getY(), otherCoords.getY(), alpha));		lerp(currentCoords.getY(), otherCoords.getY(), alpha));
			resampledCoords.isResampled = true;
	#if DEBUG_RESAMPLING		#if DEBUG_RESAMPLING
	ALOGD("[%d] - out (%0.3f, %0.3f), cur (%0.3f, %0.3f), "		ALOGD("[%d] - out (%0.3f, %0.3f), cur (%0.3f, %0.3f), "
	"other (%0.3f, %0.3f), alpha %0.3f",		"other (%0.3f, %0.3f), alpha %0.3f",

libs/input/tests/InputEvent_test.cpp

+18 −0

Original line number	Original line	Diff line number	Diff line
	@@ -46,6 +46,7 @@ TEST_F(PointerCoordsTest, ClearSetsBitsToZero) {
	coords.clear();		coords.clear();

	ASSERT_EQ(0ULL, coords.bits);		ASSERT_EQ(0ULL, coords.bits);
			ASSERT_FALSE(coords.isResampled);
	}		}

	TEST_F(PointerCoordsTest, AxisValues) {		TEST_F(PointerCoordsTest, AxisValues) {
	@@ -158,11 +159,13 @@ TEST_F(PointerCoordsTest, Parcel) {
	outCoords.readFromParcel(&parcel);		outCoords.readFromParcel(&parcel);

	ASSERT_EQ(0ULL, outCoords.bits);		ASSERT_EQ(0ULL, outCoords.bits);
			ASSERT_FALSE(outCoords.isResampled);

	// Round trip with some values.		// Round trip with some values.
	parcel.freeData();		parcel.freeData();
	inCoords.setAxisValue(2, 5);		inCoords.setAxisValue(2, 5);
	inCoords.setAxisValue(5, 8);		inCoords.setAxisValue(5, 8);
			inCoords.isResampled = true;

	inCoords.writeToParcel(&parcel);		inCoords.writeToParcel(&parcel);
	parcel.setDataPosition(0);		parcel.setDataPosition(0);
	@@ -171,6 +174,7 @@ TEST_F(PointerCoordsTest, Parcel) {
	ASSERT_EQ(outCoords.bits, inCoords.bits);		ASSERT_EQ(outCoords.bits, inCoords.bits);
	ASSERT_EQ(outCoords.values[0], inCoords.values[0]);		ASSERT_EQ(outCoords.values[0], inCoords.values[0]);
	ASSERT_EQ(outCoords.values[1], inCoords.values[1]);		ASSERT_EQ(outCoords.values[1], inCoords.values[1]);
			ASSERT_TRUE(outCoords.isResampled);
	}		}


	@@ -263,6 +267,7 @@ void MotionEventTest::initializeEventWithHistory(MotionEvent* event) {
	pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 16);		pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 16);
	pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 17);		pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 17);
	pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 18);		pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 18);
			pointerCoords[0].isResampled = true;
	pointerCoords[1].clear();		pointerCoords[1].clear();
	pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_X, 20);		pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_X, 20);
	pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_Y, 21);		pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_Y, 21);
	@@ -281,6 +286,7 @@ void MotionEventTest::initializeEventWithHistory(MotionEvent* event) {
	mRawTransform, ARBITRARY_DOWN_TIME, ARBITRARY_EVENT_TIME, 2,		mRawTransform, ARBITRARY_DOWN_TIME, ARBITRARY_EVENT_TIME, 2,
	pointerProperties, pointerCoords);		pointerProperties, pointerCoords);

			pointerCoords[0].clear();
	pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, 110);		pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, 110);
	pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, 111);		pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, 111);
	pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 112);		pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 112);
	@@ -290,6 +296,8 @@ void MotionEventTest::initializeEventWithHistory(MotionEvent* event) {
	pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 116);		pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 116);
	pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 117);		pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 117);
	pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 118);		pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 118);
			pointerCoords[0].isResampled = true;
			pointerCoords[1].clear();
	pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_X, 120);		pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_X, 120);
	pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_Y, 121);		pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_Y, 121);
	pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 122);		pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 122);
	@@ -299,8 +307,10 @@ void MotionEventTest::initializeEventWithHistory(MotionEvent* event) {
	pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 126);		pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 126);
	pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 127);		pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 127);
	pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 128);		pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 128);
			pointerCoords[1].isResampled = true;
	event->addSample(ARBITRARY_EVENT_TIME + 1, pointerCoords);		event->addSample(ARBITRARY_EVENT_TIME + 1, pointerCoords);

			pointerCoords[0].clear();
	pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, 210);		pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, 210);
	pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, 211);		pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, 211);
	pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 212);		pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 212);
	@@ -310,6 +320,7 @@ void MotionEventTest::initializeEventWithHistory(MotionEvent* event) {
	pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 216);		pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 216);
	pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 217);		pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 217);
	pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 218);		pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 218);
			pointerCoords[1].clear();
	pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_X, 220);		pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_X, 220);
	pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_Y, 221);		pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_Y, 221);
	pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 222);		pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 222);
	@@ -457,6 +468,13 @@ void MotionEventTest::assertEqualsEventWithHistory(const MotionEvent* event) {
	ASSERT_EQ(toScaledOrientation(128), event->getHistoricalOrientation(1, 1));		ASSERT_EQ(toScaledOrientation(128), event->getHistoricalOrientation(1, 1));
	ASSERT_EQ(toScaledOrientation(218), event->getOrientation(0));		ASSERT_EQ(toScaledOrientation(218), event->getOrientation(0));
	ASSERT_EQ(toScaledOrientation(228), event->getOrientation(1));		ASSERT_EQ(toScaledOrientation(228), event->getOrientation(1));

			ASSERT_TRUE(event->isResampled(0, 0));
			ASSERT_FALSE(event->isResampled(1, 0));
			ASSERT_TRUE(event->isResampled(0, 1));
			ASSERT_TRUE(event->isResampled(1, 1));
			ASSERT_FALSE(event->isResampled(0, 2));
			ASSERT_FALSE(event->isResampled(1, 2));
	}		}

	TEST_F(MotionEventTest, Properties) {		TEST_F(MotionEventTest, Properties) {

libs/input/tests/StructLayout_test.cpp

+7 −7

Original line number	Original line	Diff line number	Diff line
	@@ -117,7 +117,7 @@ void TestHeaderSize() {

	void TestBodySize() {		void TestBodySize() {
	static_assert(sizeof(InputMessage::Body::Key) == 96);		static_assert(sizeof(InputMessage::Body::Key) == 96);
	static_assert(sizeof(InputMessage::Body::Motion::Pointer) == 136);		static_assert(sizeof(InputMessage::Body::Motion::Pointer) == 144);
	static_assert(sizeof(InputMessage::Body::Motion) ==		static_assert(sizeof(InputMessage::Body::Motion) ==
	offsetof(InputMessage::Body::Motion, pointers) +		offsetof(InputMessage::Body::Motion, pointers) +
	sizeof(InputMessage::Body::Motion::Pointer) * MAX_POINTERS);		sizeof(InputMessage::Body::Motion::Pointer) * MAX_POINTERS);
	@@ -137,8 +137,8 @@ void TestBodySize() {
	static_assert(sizeof(InputMessage::Body) ==		static_assert(sizeof(InputMessage::Body) ==
	offsetof(InputMessage::Body::Motion, pointers) +		offsetof(InputMessage::Body::Motion, pointers) +
	sizeof(InputMessage::Body::Motion::Pointer) * MAX_POINTERS);		sizeof(InputMessage::Body::Motion::Pointer) * MAX_POINTERS);
	static_assert(sizeof(InputMessage::Body) == 160 + 136 * 16);		static_assert(sizeof(InputMessage::Body) == 160 + 144 * 16);
	static_assert(sizeof(InputMessage::Body) == 2336);		static_assert(sizeof(InputMessage::Body) == 2464);
	}		}

	/**		/**
	@@ -148,8 +148,8 @@ void TestBodySize() {
	* still helpful to compute to get an idea of the sizes that are involved.		* still helpful to compute to get an idea of the sizes that are involved.
	*/		*/
	void TestWorstCaseInputMessageSize() {		void TestWorstCaseInputMessageSize() {
	static_assert(sizeof(InputMessage) == /header/ 8 + /body/ 2336);		static_assert(sizeof(InputMessage) == /header/ 8 + /body/ 2464);
	static_assert(sizeof(InputMessage) == 2344);		static_assert(sizeof(InputMessage) == 2472);
	}		}

	/**		/**
	@@ -159,8 +159,8 @@ void CalculateSinglePointerInputMessageSize() {
	constexpr size_t pointerCount = 1;		constexpr size_t pointerCount = 1;
	constexpr size_t bodySize = offsetof(InputMessage::Body::Motion, pointers) +		constexpr size_t bodySize = offsetof(InputMessage::Body::Motion, pointers) +
	sizeof(InputMessage::Body::Motion::Pointer) * pointerCount;		sizeof(InputMessage::Body::Motion::Pointer) * pointerCount;
	static_assert(bodySize == 160 + 136);		static_assert(bodySize == 160 + 144);
	static_assert(bodySize == 296); // For the total message size, add the small header		static_assert(bodySize == 304); // For the total message size, add the small header
	}		}

	// --- VerifiedInputEvent ---		// --- VerifiedInputEvent ---