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-rw-r--r--services/input/InputReader.cpp511
1 files changed, 86 insertions, 425 deletions
diff --git a/services/input/InputReader.cpp b/services/input/InputReader.cpp
index 3e4c666..49cb864 100644
--- a/services/input/InputReader.cpp
+++ b/services/input/InputReader.cpp
@@ -53,6 +53,7 @@
#define INDENT2 " "
#define INDENT3 " "
#define INDENT4 " "
+#define INDENT5 " "
namespace android {
@@ -154,14 +155,15 @@ static uint32_t getButtonStateForScanCode(int32_t scanCode) {
case BTN_LEFT:
return AMOTION_EVENT_BUTTON_PRIMARY;
case BTN_RIGHT:
+ case BTN_STYLUS:
return AMOTION_EVENT_BUTTON_SECONDARY;
case BTN_MIDDLE:
+ case BTN_STYLUS2:
return AMOTION_EVENT_BUTTON_TERTIARY;
case BTN_SIDE:
return AMOTION_EVENT_BUTTON_BACK;
- case BTN_EXTRA:
- return AMOTION_EVENT_BUTTON_FORWARD;
case BTN_FORWARD:
+ case BTN_EXTRA:
return AMOTION_EVENT_BUTTON_FORWARD;
case BTN_BACK:
return AMOTION_EVENT_BUTTON_BACK;
@@ -176,8 +178,7 @@ static uint32_t getButtonStateForScanCode(int32_t scanCode) {
static bool isPointerDown(int32_t buttonState) {
return buttonState &
(AMOTION_EVENT_BUTTON_PRIMARY | AMOTION_EVENT_BUTTON_SECONDARY
- | AMOTION_EVENT_BUTTON_TERTIARY
- | AMOTION_EVENT_BUTTON_ERASER);
+ | AMOTION_EVENT_BUTTON_TERTIARY);
}
static int32_t calculateEdgeFlagsUsingPointerBounds(
@@ -767,10 +768,6 @@ void InputReader::dump(String8& dump) {
dump.append(mConfig.excludedDeviceNames.itemAt(i).string());
}
dump.append("]\n");
- dump.appendFormat(INDENT2 "FilterTouchEvents: %s\n",
- toString(mConfig.filterTouchEvents));
- dump.appendFormat(INDENT2 "FilterJumpyTouchEvents: %s\n",
- toString(mConfig.filterJumpyTouchEvents));
dump.appendFormat(INDENT2 "VirtualKeyQuietTime: %0.1fms\n",
mConfig.virtualKeyQuietTime * 0.000001f);
@@ -921,7 +918,7 @@ void InputDevice::process(const RawEvent* rawEvents, size_t count) {
for (const RawEvent* rawEvent = rawEvents; count--; rawEvent++) {
#if DEBUG_RAW_EVENTS
LOGD("Input event: device=%d type=0x%04x scancode=0x%04x "
- "keycode=0x%04x value=0x%04x flags=0x%08x",
+ "keycode=0x%04x value=0x%08x flags=0x%08x",
rawEvent->deviceId, rawEvent->type, rawEvent->scanCode, rawEvent->keyCode,
rawEvent->value, rawEvent->flags);
#endif
@@ -1921,8 +1918,17 @@ void TouchInputMapper::dump(String8& dump) {
dump.appendFormat(INDENT4 "DistanceScale: %0.3f\n", mLocked.distanceScale);
dump.appendFormat(INDENT3 "Last Touch:\n");
- dump.appendFormat(INDENT4 "Pointer Count: %d\n", mLastTouch.pointerCount);
dump.appendFormat(INDENT4 "Button State: 0x%08x\n", mLastTouch.buttonState);
+ dump.appendFormat(INDENT4 "Pointer Count: %d\n", mLastTouch.pointerCount);
+ for (uint32_t i = 0; i < mLastTouch.pointerCount; i++) {
+ const PointerData& pointer = mLastTouch.pointers[i];
+ dump.appendFormat(INDENT5 "[%d]: id=%d, x=%d, y=%d, pressure=%d, "
+ "touchMajor=%d, touchMinor=%d, toolMajor=%d, toolMinor=%d, "
+ "orientation=%d, distance=%d, isStylus=%s\n", i,
+ pointer.id, pointer.x, pointer.y, pointer.pressure,
+ pointer.touchMajor, pointer.touchMinor, pointer.toolMajor, pointer.toolMinor,
+ pointer.orientation, pointer.distance, toString(pointer.isStylus));
+ }
if (mParameters.deviceType == Parameters::DEVICE_TYPE_POINTER) {
dump.appendFormat(INDENT3 "Pointer Gesture Detector:\n");
@@ -1945,13 +1951,6 @@ void TouchInputMapper::initializeLocked() {
mLastTouch.clear();
mDownTime = 0;
- for (uint32_t i = 0; i < MAX_POINTERS; i++) {
- mAveragingTouchFilter.historyStart[i] = 0;
- mAveragingTouchFilter.historyEnd[i] = 0;
- }
-
- mJumpyTouchFilter.jumpyPointsDropped = 0;
-
mLocked.currentVirtualKey.down = false;
mLocked.orientedRanges.havePressure = false;
@@ -2018,10 +2017,6 @@ void TouchInputMapper::configure(const InputReaderConfiguration* config, uint32_
}
void TouchInputMapper::configureParameters() {
- mParameters.useBadTouchFilter = mConfig.filterTouchEvents;
- mParameters.useAveragingTouchFilter = mConfig.filterTouchEvents;
- mParameters.useJumpyTouchFilter = mConfig.filterJumpyTouchEvents;
-
// Use the pointer presentation mode for devices that do not support distinct
// multitouch. The spot-based presentation relies on being able to accurately
// locate two or more fingers on the touch pad.
@@ -2112,13 +2107,6 @@ void TouchInputMapper::dumpParameters(String8& dump) {
mParameters.associatedDisplayId);
dump.appendFormat(INDENT4 "OrientationAware: %s\n",
toString(mParameters.orientationAware));
-
- dump.appendFormat(INDENT4 "UseBadTouchFilter: %s\n",
- toString(mParameters.useBadTouchFilter));
- dump.appendFormat(INDENT4 "UseAveragingTouchFilter: %s\n",
- toString(mParameters.useAveragingTouchFilter));
- dump.appendFormat(INDENT4 "UseJumpyTouchFilter: %s\n",
- toString(mParameters.useJumpyTouchFilter));
}
void TouchInputMapper::configureRawAxes() {
@@ -2975,33 +2963,10 @@ void TouchInputMapper::syncTouch(nsecs_t when, bool havePointerIds) {
#endif
// Preprocess pointer data.
- if (mParameters.useBadTouchFilter) {
- if (applyBadTouchFilter()) {
- havePointerIds = false;
- }
- }
-
- if (mParameters.useJumpyTouchFilter) {
- if (applyJumpyTouchFilter()) {
- havePointerIds = false;
- }
- }
-
if (!havePointerIds) {
calculatePointerIds();
}
- TouchData temp;
- TouchData* savedTouch;
- if (mParameters.useAveragingTouchFilter) {
- temp.copyFrom(mCurrentTouch);
- savedTouch = & temp;
-
- applyAveragingTouchFilter();
- } else {
- savedTouch = & mCurrentTouch;
- }
-
uint32_t policyFlags = 0;
if (mLastTouch.pointerCount == 0 && mCurrentTouch.pointerCount != 0) {
if (mParameters.deviceType == Parameters::DEVICE_TYPE_TOUCH_SCREEN) {
@@ -3048,9 +3013,9 @@ void TouchInputMapper::syncTouch(nsecs_t when, bool havePointerIds) {
// Keep the button state so we can track edge-triggered button state changes.
if (touchResult == DROP_STROKE) {
mLastTouch.clear();
- mLastTouch.buttonState = savedTouch->buttonState;
+ mLastTouch.buttonState = mCurrentTouch.buttonState;
} else {
- mLastTouch.copyFrom(*savedTouch);
+ mLastTouch.copyFrom(mCurrentTouch);
}
}
@@ -3704,6 +3669,29 @@ void TouchInputMapper::dispatchPointerGestures(nsecs_t when, uint32_t policyFlag
mPointerGesture.currentGestureCoords, mPointerGesture.currentGestureIdToIndex,
mPointerGesture.currentGestureIdBits, -1,
0, 0, mPointerGesture.downTime);
+ } else if (dispatchedGestureIdBits.isEmpty()
+ && !mPointerGesture.lastGestureIdBits.isEmpty()) {
+ // Synthesize a hover move event after all pointers go up to indicate that
+ // the pointer is hovering again even if the user is not currently touching
+ // the touch pad. This ensures that a view will receive a fresh hover enter
+ // event after a tap.
+ float x, y;
+ mPointerController->getPosition(&x, &y);
+
+ PointerProperties pointerProperties;
+ pointerProperties.clear();
+ pointerProperties.id = 0;
+ pointerProperties.toolType = AMOTION_EVENT_TOOL_TYPE_INDIRECT_FINGER;
+
+ PointerCoords pointerCoords;
+ pointerCoords.clear();
+ pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_X, x);
+ pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, y);
+
+ getDispatcher()->notifyMotion(when, getDeviceId(), mPointerSource, policyFlags,
+ AMOTION_EVENT_ACTION_HOVER_MOVE, 0,
+ metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
+ 1, &pointerProperties, &pointerCoords, 0, 0, mPointerGesture.downTime);
}
// Update state.
@@ -4793,359 +4781,6 @@ void TouchInputMapper::calculatePointerIds() {
}
}
-/* Special hack for devices that have bad screen data: if one of the
- * points has moved more than a screen height from the last position,
- * then drop it. */
-bool TouchInputMapper::applyBadTouchFilter() {
- uint32_t pointerCount = mCurrentTouch.pointerCount;
-
- // Nothing to do if there are no points.
- if (pointerCount == 0) {
- return false;
- }
-
- // Don't do anything if a finger is going down or up. We run
- // here before assigning pointer IDs, so there isn't a good
- // way to do per-finger matching.
- if (pointerCount != mLastTouch.pointerCount) {
- return false;
- }
-
- // We consider a single movement across more than a 7/16 of
- // the long size of the screen to be bad. This was a magic value
- // determined by looking at the maximum distance it is feasible
- // to actually move in one sample.
- int32_t maxDeltaY = (mRawAxes.y.maxValue - mRawAxes.y.minValue + 1) * 7 / 16;
-
- // XXX The original code in InputDevice.java included commented out
- // code for testing the X axis. Note that when we drop a point
- // we don't actually restore the old X either. Strange.
- // The old code also tries to track when bad points were previously
- // detected but it turns out that due to the placement of a "break"
- // at the end of the loop, we never set mDroppedBadPoint to true
- // so it is effectively dead code.
- // Need to figure out if the old code is busted or just overcomplicated
- // but working as intended.
-
- // Look through all new points and see if any are farther than
- // acceptable from all previous points.
- for (uint32_t i = pointerCount; i-- > 0; ) {
- int32_t y = mCurrentTouch.pointers[i].y;
- int32_t closestY = INT_MAX;
- int32_t closestDeltaY = 0;
-
-#if DEBUG_HACKS
- LOGD("BadTouchFilter: Looking at next point #%d: y=%d", i, y);
-#endif
-
- for (uint32_t j = pointerCount; j-- > 0; ) {
- int32_t lastY = mLastTouch.pointers[j].y;
- int32_t deltaY = abs(y - lastY);
-
-#if DEBUG_HACKS
- LOGD("BadTouchFilter: Comparing with last point #%d: y=%d deltaY=%d",
- j, lastY, deltaY);
-#endif
-
- if (deltaY < maxDeltaY) {
- goto SkipSufficientlyClosePoint;
- }
- if (deltaY < closestDeltaY) {
- closestDeltaY = deltaY;
- closestY = lastY;
- }
- }
-
- // Must not have found a close enough match.
-#if DEBUG_HACKS
- LOGD("BadTouchFilter: Dropping bad point #%d: newY=%d oldY=%d deltaY=%d maxDeltaY=%d",
- i, y, closestY, closestDeltaY, maxDeltaY);
-#endif
-
- mCurrentTouch.pointers[i].y = closestY;
- return true; // XXX original code only corrects one point
-
- SkipSufficientlyClosePoint: ;
- }
-
- // No change.
- return false;
-}
-
-/* Special hack for devices that have bad screen data: drop points where
- * the coordinate value for one axis has jumped to the other pointer's location.
- */
-bool TouchInputMapper::applyJumpyTouchFilter() {
- uint32_t pointerCount = mCurrentTouch.pointerCount;
- if (mLastTouch.pointerCount != pointerCount) {
-#if DEBUG_HACKS
- LOGD("JumpyTouchFilter: Different pointer count %d -> %d",
- mLastTouch.pointerCount, pointerCount);
- for (uint32_t i = 0; i < pointerCount; i++) {
- LOGD(" Pointer %d (%d, %d)", i,
- mCurrentTouch.pointers[i].x, mCurrentTouch.pointers[i].y);
- }
-#endif
-
- if (mJumpyTouchFilter.jumpyPointsDropped < JUMPY_TRANSITION_DROPS) {
- if (mLastTouch.pointerCount == 1 && pointerCount == 2) {
- // Just drop the first few events going from 1 to 2 pointers.
- // They're bad often enough that they're not worth considering.
- mCurrentTouch.pointerCount = 1;
- mJumpyTouchFilter.jumpyPointsDropped += 1;
-
-#if DEBUG_HACKS
- LOGD("JumpyTouchFilter: Pointer 2 dropped");
-#endif
- return true;
- } else if (mLastTouch.pointerCount == 2 && pointerCount == 1) {
- // The event when we go from 2 -> 1 tends to be messed up too
- mCurrentTouch.pointerCount = 2;
- mCurrentTouch.pointers[0] = mLastTouch.pointers[0];
- mCurrentTouch.pointers[1] = mLastTouch.pointers[1];
- mJumpyTouchFilter.jumpyPointsDropped += 1;
-
-#if DEBUG_HACKS
- for (int32_t i = 0; i < 2; i++) {
- LOGD("JumpyTouchFilter: Pointer %d replaced (%d, %d)", i,
- mCurrentTouch.pointers[i].x, mCurrentTouch.pointers[i].y);
- }
-#endif
- return true;
- }
- }
- // Reset jumpy points dropped on other transitions or if limit exceeded.
- mJumpyTouchFilter.jumpyPointsDropped = 0;
-
-#if DEBUG_HACKS
- LOGD("JumpyTouchFilter: Transition - drop limit reset");
-#endif
- return false;
- }
-
- // We have the same number of pointers as last time.
- // A 'jumpy' point is one where the coordinate value for one axis
- // has jumped to the other pointer's location. No need to do anything
- // else if we only have one pointer.
- if (pointerCount < 2) {
- return false;
- }
-
- if (mJumpyTouchFilter.jumpyPointsDropped < JUMPY_DROP_LIMIT) {
- int jumpyEpsilon = (mRawAxes.y.maxValue - mRawAxes.y.minValue + 1) / JUMPY_EPSILON_DIVISOR;
-
- // We only replace the single worst jumpy point as characterized by pointer distance
- // in a single axis.
- int32_t badPointerIndex = -1;
- int32_t badPointerReplacementIndex = -1;
- int32_t badPointerDistance = INT_MIN; // distance to be corrected
-
- for (uint32_t i = pointerCount; i-- > 0; ) {
- int32_t x = mCurrentTouch.pointers[i].x;
- int32_t y = mCurrentTouch.pointers[i].y;
-
-#if DEBUG_HACKS
- LOGD("JumpyTouchFilter: Point %d (%d, %d)", i, x, y);
-#endif
-
- // Check if a touch point is too close to another's coordinates
- bool dropX = false, dropY = false;
- for (uint32_t j = 0; j < pointerCount; j++) {
- if (i == j) {
- continue;
- }
-
- if (abs(x - mCurrentTouch.pointers[j].x) <= jumpyEpsilon) {
- dropX = true;
- break;
- }
-
- if (abs(y - mCurrentTouch.pointers[j].y) <= jumpyEpsilon) {
- dropY = true;
- break;
- }
- }
- if (! dropX && ! dropY) {
- continue; // not jumpy
- }
-
- // Find a replacement candidate by comparing with older points on the
- // complementary (non-jumpy) axis.
- int32_t distance = INT_MIN; // distance to be corrected
- int32_t replacementIndex = -1;
-
- if (dropX) {
- // X looks too close. Find an older replacement point with a close Y.
- int32_t smallestDeltaY = INT_MAX;
- for (uint32_t j = 0; j < pointerCount; j++) {
- int32_t deltaY = abs(y - mLastTouch.pointers[j].y);
- if (deltaY < smallestDeltaY) {
- smallestDeltaY = deltaY;
- replacementIndex = j;
- }
- }
- distance = abs(x - mLastTouch.pointers[replacementIndex].x);
- } else {
- // Y looks too close. Find an older replacement point with a close X.
- int32_t smallestDeltaX = INT_MAX;
- for (uint32_t j = 0; j < pointerCount; j++) {
- int32_t deltaX = abs(x - mLastTouch.pointers[j].x);
- if (deltaX < smallestDeltaX) {
- smallestDeltaX = deltaX;
- replacementIndex = j;
- }
- }
- distance = abs(y - mLastTouch.pointers[replacementIndex].y);
- }
-
- // If replacing this pointer would correct a worse error than the previous ones
- // considered, then use this replacement instead.
- if (distance > badPointerDistance) {
- badPointerIndex = i;
- badPointerReplacementIndex = replacementIndex;
- badPointerDistance = distance;
- }
- }
-
- // Correct the jumpy pointer if one was found.
- if (badPointerIndex >= 0) {
-#if DEBUG_HACKS
- LOGD("JumpyTouchFilter: Replacing bad pointer %d with (%d, %d)",
- badPointerIndex,
- mLastTouch.pointers[badPointerReplacementIndex].x,
- mLastTouch.pointers[badPointerReplacementIndex].y);
-#endif
-
- mCurrentTouch.pointers[badPointerIndex].x =
- mLastTouch.pointers[badPointerReplacementIndex].x;
- mCurrentTouch.pointers[badPointerIndex].y =
- mLastTouch.pointers[badPointerReplacementIndex].y;
- mJumpyTouchFilter.jumpyPointsDropped += 1;
- return true;
- }
- }
-
- mJumpyTouchFilter.jumpyPointsDropped = 0;
- return false;
-}
-
-/* Special hack for devices that have bad screen data: aggregate and
- * compute averages of the coordinate data, to reduce the amount of
- * jitter seen by applications. */
-void TouchInputMapper::applyAveragingTouchFilter() {
- for (uint32_t currentIndex = 0; currentIndex < mCurrentTouch.pointerCount; currentIndex++) {
- uint32_t id = mCurrentTouch.pointers[currentIndex].id;
- int32_t x = mCurrentTouch.pointers[currentIndex].x;
- int32_t y = mCurrentTouch.pointers[currentIndex].y;
- int32_t pressure;
- switch (mCalibration.pressureSource) {
- case Calibration::PRESSURE_SOURCE_PRESSURE:
- pressure = mCurrentTouch.pointers[currentIndex].pressure;
- break;
- case Calibration::PRESSURE_SOURCE_TOUCH:
- pressure = mCurrentTouch.pointers[currentIndex].touchMajor;
- break;
- default:
- pressure = 1;
- break;
- }
-
- if (mLastTouch.idBits.hasBit(id)) {
- // Pointer was down before and is still down now.
- // Compute average over history trace.
- uint32_t start = mAveragingTouchFilter.historyStart[id];
- uint32_t end = mAveragingTouchFilter.historyEnd[id];
-
- int64_t deltaX = x - mAveragingTouchFilter.historyData[end].pointers[id].x;
- int64_t deltaY = y - mAveragingTouchFilter.historyData[end].pointers[id].y;
- uint64_t distance = uint64_t(deltaX * deltaX + deltaY * deltaY);
-
-#if DEBUG_HACKS
- LOGD("AveragingTouchFilter: Pointer id %d - Distance from last sample: %lld",
- id, distance);
-#endif
-
- if (distance < AVERAGING_DISTANCE_LIMIT) {
- // Increment end index in preparation for recording new historical data.
- end += 1;
- if (end > AVERAGING_HISTORY_SIZE) {
- end = 0;
- }
-
- // If the end index has looped back to the start index then we have filled
- // the historical trace up to the desired size so we drop the historical
- // data at the start of the trace.
- if (end == start) {
- start += 1;
- if (start > AVERAGING_HISTORY_SIZE) {
- start = 0;
- }
- }
-
- // Add the raw data to the historical trace.
- mAveragingTouchFilter.historyStart[id] = start;
- mAveragingTouchFilter.historyEnd[id] = end;
- mAveragingTouchFilter.historyData[end].pointers[id].x = x;
- mAveragingTouchFilter.historyData[end].pointers[id].y = y;
- mAveragingTouchFilter.historyData[end].pointers[id].pressure = pressure;
-
- // Average over all historical positions in the trace by total pressure.
- int32_t averagedX = 0;
- int32_t averagedY = 0;
- int32_t totalPressure = 0;
- for (;;) {
- int32_t historicalX = mAveragingTouchFilter.historyData[start].pointers[id].x;
- int32_t historicalY = mAveragingTouchFilter.historyData[start].pointers[id].y;
- int32_t historicalPressure = mAveragingTouchFilter.historyData[start]
- .pointers[id].pressure;
-
- averagedX += historicalX * historicalPressure;
- averagedY += historicalY * historicalPressure;
- totalPressure += historicalPressure;
-
- if (start == end) {
- break;
- }
-
- start += 1;
- if (start > AVERAGING_HISTORY_SIZE) {
- start = 0;
- }
- }
-
- if (totalPressure != 0) {
- averagedX /= totalPressure;
- averagedY /= totalPressure;
-
-#if DEBUG_HACKS
- LOGD("AveragingTouchFilter: Pointer id %d - "
- "totalPressure=%d, averagedX=%d, averagedY=%d", id, totalPressure,
- averagedX, averagedY);
-#endif
-
- mCurrentTouch.pointers[currentIndex].x = averagedX;
- mCurrentTouch.pointers[currentIndex].y = averagedY;
- }
- } else {
-#if DEBUG_HACKS
- LOGD("AveragingTouchFilter: Pointer id %d - Exceeded max distance", id);
-#endif
- }
- } else {
-#if DEBUG_HACKS
- LOGD("AveragingTouchFilter: Pointer id %d - Pointer went up", id);
-#endif
- }
-
- // Reset pointer history.
- mAveragingTouchFilter.historyStart[id] = 0;
- mAveragingTouchFilter.historyEnd[id] = 0;
- mAveragingTouchFilter.historyData[0].pointers[id].x = x;
- mAveragingTouchFilter.historyData[0].pointers[id].y = y;
- mAveragingTouchFilter.historyData[0].pointers[id].pressure = pressure;
- }
-}
-
int32_t TouchInputMapper::getKeyCodeState(uint32_t sourceMask, int32_t keyCode) {
{ // acquire lock
AutoMutex _l(mLock);
@@ -5361,7 +4996,6 @@ void SingleTouchInputMapper::configureRawAxes() {
MultiTouchInputMapper::MultiTouchInputMapper(InputDevice* device) :
TouchInputMapper(device), mSlotCount(0), mUsingSlotsProtocol(false) {
- clearState();
}
MultiTouchInputMapper::~MultiTouchInputMapper() {
@@ -5371,6 +5005,25 @@ void MultiTouchInputMapper::clearState() {
mAccumulator.clearSlots(mSlotCount);
mAccumulator.clearButtons();
mButtonState = 0;
+ mPointerIdBits.clear();
+
+ if (mUsingSlotsProtocol) {
+ // Query the driver for the current slot index and use it as the initial slot
+ // before we start reading events from the device. It is possible that the
+ // current slot index will not be the same as it was when the first event was
+ // written into the evdev buffer, which means the input mapper could start
+ // out of sync with the initial state of the events in the evdev buffer.
+ // In the extremely unlikely case that this happens, the data from
+ // two slots will be confused until the next ABS_MT_SLOT event is received.
+ // This can cause the touch point to "jump", but at least there will be
+ // no stuck touches.
+ status_t status = getEventHub()->getAbsoluteAxisValue(getDeviceId(), ABS_MT_SLOT,
+ &mAccumulator.currentSlot);
+ if (status) {
+ LOGW("Could not retrieve current multitouch slot index. status=%d", status);
+ mAccumulator.currentSlot = -1;
+ }
+ }
}
void MultiTouchInputMapper::reset() {
@@ -5577,28 +5230,32 @@ void MultiTouchInputMapper::sync(nsecs_t when) {
// Assign pointer id using tracking id if available.
if (havePointerIds) {
- int32_t id;
- if (mUsingSlotsProtocol) {
- id = inIndex;
- } else if (fields & Accumulator::FIELD_ABS_MT_TRACKING_ID) {
- id = inSlot.absMTTrackingId;
- } else {
- id = -1;
- }
+ int32_t id = -1;
+ if (fields & Accumulator::FIELD_ABS_MT_TRACKING_ID) {
+ int32_t trackingId = inSlot.absMTTrackingId;
+
+ for (BitSet32 idBits(mPointerIdBits); !idBits.isEmpty(); ) {
+ uint32_t n = idBits.firstMarkedBit();
+ idBits.clearBit(n);
- if (id >= 0 && id <= MAX_POINTER_ID) {
+ if (mPointerTrackingIdMap[n] == trackingId) {
+ id = n;
+ }
+ }
+
+ if (id < 0 && !mPointerIdBits.isFull()) {
+ id = mPointerIdBits.firstUnmarkedBit();
+ mPointerIdBits.markBit(id);
+ mPointerTrackingIdMap[id] = trackingId;
+ }
+ }
+ if (id < 0) {
+ havePointerIds = false;
+ mCurrentTouch.idBits.clear();
+ } else {
outPointer.id = id;
mCurrentTouch.idToIndex[id] = outCount;
mCurrentTouch.idBits.markBit(id);
- } else {
- if (id >= 0) {
-#if DEBUG_POINTERS
- LOGD("Pointers: Ignoring driver provided slot index or tracking id %d because "
- "it is larger than the maximum supported pointer id %d",
- id, MAX_POINTER_ID);
-#endif
- }
- havePointerIds = false;
}
}
@@ -5610,6 +5267,8 @@ void MultiTouchInputMapper::sync(nsecs_t when) {
mButtonState = (mButtonState | mAccumulator.buttonDown) & ~mAccumulator.buttonUp;
mCurrentTouch.buttonState = mButtonState;
+ mPointerIdBits = mCurrentTouch.idBits;
+
syncTouch(when, havePointerIds);
if (!mUsingSlotsProtocol) {
@@ -5649,6 +5308,8 @@ void MultiTouchInputMapper::configureRawAxes() {
}
mAccumulator.allocateSlots(mSlotCount);
+
+ clearState();
}
generated by cgit v1.1 at 2025-09-16 06:21:08 +0000