Merge cherrypicks of [15172584, 15172286, 15172594, 15172385, 15172631, 15172632, 15172633, 15172634, 15171221, 15171222, 15171223, 15171541, 15171542, 15171668, 15172342, 15170823, 15170824, 15170825, 15170826, 15170827, 15170828, 15170829, 15172650, 15172651, 15172652, 15172653, 15172654, 15172655, 15172656, 15172657, 15172658, 15172659, 15172660, 15172661, 15172386, 15172387, 15172388, 15172389, 15172670, 15172553, 15172589, 15172343, 15172617, 15172618, 15172619, 15172620, 15172690, 15172691, 15172692, 15172693, 15172694, 15172695, 15172696, 15172697, 15171708, 15171709, 15172554, 15172555, 15172710, 15172621, 15172635, 15172636, 15172698, 15172699, 15172700, 15171543, 15172701, 15172702, 15172703, 15172704, 15171669, 15172622] into rvc-d2-releaseandroid-11.0.0_r48android-11.0.0_r47android-11.0.0_r45android-11.0.0_r44android11-d2-release

Change-Id: I3864288b825852f9b9a5844a3489936dc31a75f8

2 files changed, 39 insertions, 38 deletions

diff --git a/services/inputflinger/reader/mapper/TouchInputMapper.cpp b/services/inputflinger/reader/mapper/TouchInputMapper.cpp
index 99a572a5fd..decbea4c3e 100644
--- a/services/inputflinger/reader/mapper/TouchInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/TouchInputMapper.cpp
@@ -1413,27 +1413,28 @@ void TouchInputMapper::process(const RawEvent* rawEvent) {
 }
 
 void TouchInputMapper::sync(nsecs_t when) {
-    const RawState* last =
-            mRawStatesPending.empty() ? &mCurrentRawState : &mRawStatesPending.back();
-
     // Push a new state.
     mRawStatesPending.emplace_back();
 
-    RawState* next = &mRawStatesPending.back();
-    next->clear();
-    next->when = when;
+    RawState& next = mRawStatesPending.back();
+    next.clear();
+    next.when = when;
 
     // Sync button state.
-    next->buttonState =
+    next.buttonState =
             mTouchButtonAccumulator.getButtonState() | mCursorButtonAccumulator.getButtonState();
 
     // Sync scroll
-    next->rawVScroll = mCursorScrollAccumulator.getRelativeVWheel();
-    next->rawHScroll = mCursorScrollAccumulator.getRelativeHWheel();
+    next.rawVScroll = mCursorScrollAccumulator.getRelativeVWheel();
+    next.rawHScroll = mCursorScrollAccumulator.getRelativeHWheel();
     mCursorScrollAccumulator.finishSync();
 
     // Sync touch
-    syncTouch(when, next);
+    syncTouch(when, &next);
+
+    // The last RawState is the actually second to last, since we just added a new state
+    const RawState& last =
+            mRawStatesPending.size() == 1 ? mCurrentRawState : mRawStatesPending.rbegin()[1];
 
     // Assign pointer ids.
     if (!mHavePointerIds) {
@@ -1443,9 +1444,9 @@ void TouchInputMapper::sync(nsecs_t when) {
 #if DEBUG_RAW_EVENTS
     ALOGD("syncTouch: pointerCount %d -> %d, touching ids 0x%08x -> 0x%08x, "
           "hovering ids 0x%08x -> 0x%08x",
-          last->rawPointerData.pointerCount, next->rawPointerData.pointerCount,
-          last->rawPointerData.touchingIdBits.value, next->rawPointerData.touchingIdBits.value,
-          last->rawPointerData.hoveringIdBits.value, next->rawPointerData.hoveringIdBits.value);
+          last.rawPointerData.pointerCount, next.rawPointerData.pointerCount,
+          last.rawPointerData.touchingIdBits.value, next.rawPointerData.touchingIdBits.value,
+          last.rawPointerData.hoveringIdBits.value, next.rawPointerData.hoveringIdBits.value);
 #endif
 
     processRawTouches(false /*timeout*/);
@@ -3679,11 +3680,11 @@ const TouchInputMapper::VirtualKey* TouchInputMapper::findVirtualKeyHit(int32_t
     return nullptr;
 }
 
-void TouchInputMapper::assignPointerIds(const RawState* last, RawState* current) {
-    uint32_t currentPointerCount = current->rawPointerData.pointerCount;
-    uint32_t lastPointerCount = last->rawPointerData.pointerCount;
+void TouchInputMapper::assignPointerIds(const RawState& last, RawState& current) {
+    uint32_t currentPointerCount = current.rawPointerData.pointerCount;
+    uint32_t lastPointerCount = last.rawPointerData.pointerCount;
 
-    current->rawPointerData.clearIdBits();
+    current.rawPointerData.clearIdBits();
 
     if (currentPointerCount == 0) {
         // No pointers to assign.
@@ -3694,20 +3695,20 @@ void TouchInputMapper::assignPointerIds(const RawState* last, RawState* current)
         // All pointers are new.
         for (uint32_t i = 0; i < currentPointerCount; i++) {
             uint32_t id = i;
-            current->rawPointerData.pointers[i].id = id;
-            current->rawPointerData.idToIndex[id] = i;
-            current->rawPointerData.markIdBit(id, current->rawPointerData.isHovering(i));
+            current.rawPointerData.pointers[i].id = id;
+            current.rawPointerData.idToIndex[id] = i;
+            current.rawPointerData.markIdBit(id, current.rawPointerData.isHovering(i));
         }
         return;
     }
 
     if (currentPointerCount == 1 && lastPointerCount == 1 &&
-        current->rawPointerData.pointers[0].toolType == last->rawPointerData.pointers[0].toolType) {
+        current.rawPointerData.pointers[0].toolType == last.rawPointerData.pointers[0].toolType) {
         // Only one pointer and no change in count so it must have the same id as before.
-        uint32_t id = last->rawPointerData.pointers[0].id;
-        current->rawPointerData.pointers[0].id = id;
-        current->rawPointerData.idToIndex[id] = 0;
-        current->rawPointerData.markIdBit(id, current->rawPointerData.isHovering(0));
+        uint32_t id = last.rawPointerData.pointers[0].id;
+        current.rawPointerData.pointers[0].id = id;
+        current.rawPointerData.idToIndex[id] = 0;
+        current.rawPointerData.markIdBit(id, current.rawPointerData.isHovering(0));
         return;
     }
 
@@ -3725,9 +3726,9 @@ void TouchInputMapper::assignPointerIds(const RawState* last, RawState* current)
         for (uint32_t lastPointerIndex = 0; lastPointerIndex < lastPointerCount;
              lastPointerIndex++) {
             const RawPointerData::Pointer& currentPointer =
-                    current->rawPointerData.pointers[currentPointerIndex];
+                    current.rawPointerData.pointers[currentPointerIndex];
             const RawPointerData::Pointer& lastPointer =
-                    last->rawPointerData.pointers[lastPointerIndex];
+                    last.rawPointerData.pointers[lastPointerIndex];
             if (currentPointer.toolType == lastPointer.toolType) {
                 int64_t deltaX = currentPointer.x - lastPointer.x;
                 int64_t deltaY = currentPointer.y - lastPointer.y;
@@ -3831,12 +3832,12 @@ void TouchInputMapper::assignPointerIds(const RawState* last, RawState* current)
             matchedCurrentBits.markBit(currentPointerIndex);
             matchedLastBits.markBit(lastPointerIndex);
 
-            uint32_t id = last->rawPointerData.pointers[lastPointerIndex].id;
-            current->rawPointerData.pointers[currentPointerIndex].id = id;
-            current->rawPointerData.idToIndex[id] = currentPointerIndex;
-            current->rawPointerData.markIdBit(id,
-                                              current->rawPointerData.isHovering(
-                                                      currentPointerIndex));
+            uint32_t id = last.rawPointerData.pointers[lastPointerIndex].id;
+            current.rawPointerData.pointers[currentPointerIndex].id = id;
+            current.rawPointerData.idToIndex[id] = currentPointerIndex;
+            current.rawPointerData.markIdBit(id,
+                                             current.rawPointerData.isHovering(
+                                                     currentPointerIndex));
             usedIdBits.markBit(id);
 
 #if DEBUG_POINTER_ASSIGNMENT
@@ -3853,10 +3854,10 @@ void TouchInputMapper::assignPointerIds(const RawState* last, RawState* current)
         uint32_t currentPointerIndex = matchedCurrentBits.markFirstUnmarkedBit();
         uint32_t id = usedIdBits.markFirstUnmarkedBit();
 
-        current->rawPointerData.pointers[currentPointerIndex].id = id;
-        current->rawPointerData.idToIndex[id] = currentPointerIndex;
-        current->rawPointerData.markIdBit(id,
-                                          current->rawPointerData.isHovering(currentPointerIndex));
+        current.rawPointerData.pointers[currentPointerIndex].id = id;
+        current.rawPointerData.idToIndex[id] = currentPointerIndex;
+        current.rawPointerData.markIdBit(id,
+                                         current.rawPointerData.isHovering(currentPointerIndex));
 
 #if DEBUG_POINTER_ASSIGNMENT
         ALOGD("assignPointerIds - assigned: cur=%" PRIu32 ", id=%" PRIu32, currentPointerIndex, id);
diff --git a/services/inputflinger/reader/mapper/TouchInputMapper.h b/services/inputflinger/reader/mapper/TouchInputMapper.h
index 58bfc5c596..1c2cc18f91 100644
--- a/services/inputflinger/reader/mapper/TouchInputMapper.h
+++ b/services/inputflinger/reader/mapper/TouchInputMapper.h
@@ -758,7 +758,7 @@ private:
     bool isPointInsideSurface(int32_t x, int32_t y);
     const VirtualKey* findVirtualKeyHit(int32_t x, int32_t y);
 
-    static void assignPointerIds(const RawState* last, RawState* current);
+    static void assignPointerIds(const RawState& last, RawState& current);
 
     const char* modeToString(DeviceMode deviceMode);
     void rotateAndScale(float& x, float& y);