Merge "SF: Move logtags" into main
diff --git a/include/input/KeyCharacterMap.h b/include/input/KeyCharacterMap.h
index 67b37b1..7ea34c2 100644
--- a/include/input/KeyCharacterMap.h
+++ b/include/input/KeyCharacterMap.h
@@ -137,6 +137,9 @@
/* Returns keycode after applying Android key code remapping defined in mKeyRemapping */
int32_t applyKeyRemapping(int32_t fromKeyCode) const;
+ /** Returns list of keycodes that remap to provided keycode (@see setKeyRemapping()) */
+ std::vector<int32_t> findKeyCodesMappedToKeyCode(int32_t toKeyCode) const;
+
/* Returns the <keyCode, metaState> pair after applying key behavior defined in the kcm file,
* that tries to find a replacement key code based on current meta state */
std::pair<int32_t /*keyCode*/, int32_t /*metaState*/> applyKeyBehavior(int32_t keyCode,
diff --git a/include/input/Resampler.h b/include/input/Resampler.h
index da0c5b2..47519c2 100644
--- a/include/input/Resampler.h
+++ b/include/input/Resampler.h
@@ -100,6 +100,17 @@
RingBuffer<Sample> mLatestSamples{/*capacity=*/2};
/**
+ * Latest sample in mLatestSamples after resampling motion event. Used to compare if a pointer
+ * does not move between samples.
+ */
+ std::optional<Sample> mLastRealSample;
+
+ /**
+ * Latest prediction. Used to overwrite motion event samples if a set of conditions is met.
+ */
+ std::optional<Sample> mPreviousPrediction;
+
+ /**
* Adds up to mLatestSamples.capacity() of motionEvent's latest samples to mLatestSamples. If
* motionEvent has fewer samples than mLatestSamples.capacity(), then the available samples are
* added to mLatestSamples.
@@ -144,6 +155,23 @@
*/
std::optional<Sample> attemptExtrapolation(std::chrono::nanoseconds resampleTime) const;
+ /**
+ * Iterates through motion event samples, and calls overwriteStillPointers on each sample.
+ */
+ void overwriteMotionEventSamples(MotionEvent& motionEvent) const;
+
+ /**
+ * Overwrites with resampled data the pointer coordinates that did not move between motion event
+ * samples, that is, both x and y values are identical to mLastRealSample.
+ */
+ void overwriteStillPointers(MotionEvent& motionEvent, size_t sampleIndex) const;
+
+ /**
+ * Overwrites the pointer coordinates of a sample with event time older than
+ * that of mPreviousPrediction.
+ */
+ void overwriteOldPointers(MotionEvent& motionEvent, size_t sampleIndex) const;
+
inline static void addSampleToMotionEvent(const Sample& sample, MotionEvent& motionEvent);
};
} // namespace android
diff --git a/libs/binder/Parcel.cpp b/libs/binder/Parcel.cpp
index 842ea77..18c4134 100644
--- a/libs/binder/Parcel.cpp
+++ b/libs/binder/Parcel.cpp
@@ -1186,6 +1186,10 @@
//printf("Writing %ld bytes, padded to %ld\n", len, padded);
uint8_t* const data = mData+mDataPos;
+ if (status_t status = validateReadData(mDataPos + padded); status != OK) {
+ return nullptr; // drops status
+ }
+
// Need to pad at end?
if (padded != len) {
#if BYTE_ORDER == BIG_ENDIAN
@@ -1774,6 +1778,10 @@
const bool enoughObjects = kernelFields->mObjectsSize < kernelFields->mObjectsCapacity;
if (enoughData && enoughObjects) {
restart_write:
+ if (status_t status = validateReadData(mDataPos + sizeof(val)); status != OK) {
+ return status;
+ }
+
*reinterpret_cast<flat_binder_object*>(mData+mDataPos) = val;
// remember if it's a file descriptor
@@ -2020,6 +2028,10 @@
if ((mDataPos+sizeof(val)) <= mDataCapacity) {
restart_write:
+ if (status_t status = validateReadData(mDataPos + sizeof(val)); status != OK) {
+ return status;
+ }
+
memcpy(mData + mDataPos, &val, sizeof(val));
return finishWrite(sizeof(val));
}
@@ -2656,14 +2668,14 @@
}
#endif // BINDER_WITH_KERNEL_IPC
-void Parcel::closeFileDescriptors() {
+void Parcel::closeFileDescriptors(size_t newObjectsSize) {
if (auto* kernelFields = maybeKernelFields()) {
#ifdef BINDER_WITH_KERNEL_IPC
size_t i = kernelFields->mObjectsSize;
if (i > 0) {
// ALOGI("Closing file descriptors for %zu objects...", i);
}
- while (i > 0) {
+ while (i > newObjectsSize) {
i--;
const flat_binder_object* flat =
reinterpret_cast<flat_binder_object*>(mData + kernelFields->mObjects[i]);
@@ -2674,6 +2686,7 @@
}
}
#else // BINDER_WITH_KERNEL_IPC
+ (void)newObjectsSize;
LOG_ALWAYS_FATAL("Binder kernel driver disabled at build time");
#endif // BINDER_WITH_KERNEL_IPC
} else if (auto* rpcFields = maybeRpcFields()) {
@@ -2898,7 +2911,7 @@
//ALOGI("Freeing data ref of %p (pid=%d)", this, getpid());
auto* kernelFields = maybeKernelFields();
// Close FDs before freeing, otherwise they will leak for kernel binder.
- closeFileDescriptors();
+ closeFileDescriptors(/*newObjectsSize=*/0);
mOwner(mData, mDataSize, kernelFields ? kernelFields->mObjects : nullptr,
kernelFields ? kernelFields->mObjectsSize : 0);
} else {
@@ -3035,13 +3048,38 @@
objectsSize = 0;
} else {
if (kernelFields) {
+#ifdef BINDER_WITH_KERNEL_IPC
+ validateReadData(mDataSize); // hack to sort the objects
while (objectsSize > 0) {
- if (kernelFields->mObjects[objectsSize - 1] < desired) break;
+ if (kernelFields->mObjects[objectsSize - 1] + sizeof(flat_binder_object) <=
+ desired)
+ break;
objectsSize--;
}
+#endif // BINDER_WITH_KERNEL_IPC
} else {
while (objectsSize > 0) {
- if (rpcFields->mObjectPositions[objectsSize - 1] < desired) break;
+ // Object size varies by type.
+ uint32_t pos = rpcFields->mObjectPositions[objectsSize - 1];
+ size_t size = sizeof(RpcFields::ObjectType);
+ uint32_t minObjectEnd;
+ if (__builtin_add_overflow(pos, sizeof(RpcFields::ObjectType), &minObjectEnd) ||
+ minObjectEnd > mDataSize) {
+ return BAD_VALUE;
+ }
+ const auto type = *reinterpret_cast<const RpcFields::ObjectType*>(mData + pos);
+ switch (type) {
+ case RpcFields::TYPE_BINDER_NULL:
+ break;
+ case RpcFields::TYPE_BINDER:
+ size += sizeof(uint64_t); // address
+ break;
+ case RpcFields::TYPE_NATIVE_FILE_DESCRIPTOR:
+ size += sizeof(int32_t); // fd index
+ break;
+ }
+
+ if (pos + size <= desired) break;
objectsSize--;
}
}
@@ -3090,15 +3128,24 @@
if (mData) {
memcpy(data, mData, mDataSize < desired ? mDataSize : desired);
}
+#ifdef BINDER_WITH_KERNEL_IPC
if (objects && kernelFields && kernelFields->mObjects) {
memcpy(objects, kernelFields->mObjects, objectsSize * sizeof(binder_size_t));
+ // All FDs are owned when `mOwner`, even when `cookie == 0`. When
+ // we switch to `!mOwner`, we need to explicitly mark the FDs as
+ // owned.
+ for (size_t i = 0; i < objectsSize; i++) {
+ flat_binder_object* flat = reinterpret_cast<flat_binder_object*>(data + objects[i]);
+ if (flat->hdr.type == BINDER_TYPE_FD) {
+ flat->cookie = 1;
+ }
+ }
}
// ALOGI("Freeing data ref of %p (pid=%d)", this, getpid());
if (kernelFields) {
- // TODO(b/239222407): This seems wrong. We should only free FDs when
- // they are in a truncated section of the parcel.
- closeFileDescriptors();
+ closeFileDescriptors(objectsSize);
}
+#endif // BINDER_WITH_KERNEL_IPC
mOwner(mData, mDataSize, kernelFields ? kernelFields->mObjects : nullptr,
kernelFields ? kernelFields->mObjectsSize : 0);
mOwner = nullptr;
@@ -3225,11 +3272,19 @@
}
while (rpcFields->mObjectPositions.size() > newObjectsSize) {
uint32_t pos = rpcFields->mObjectPositions.back();
- rpcFields->mObjectPositions.pop_back();
+ uint32_t minObjectEnd;
+ if (__builtin_add_overflow(pos, sizeof(RpcFields::ObjectType), &minObjectEnd) ||
+ minObjectEnd > mDataSize) {
+ return BAD_VALUE;
+ }
const auto type = *reinterpret_cast<const RpcFields::ObjectType*>(mData + pos);
if (type == RpcFields::TYPE_NATIVE_FILE_DESCRIPTOR) {
- const auto fdIndex =
- *reinterpret_cast<const int32_t*>(mData + pos + sizeof(RpcFields::ObjectType));
+ uint32_t objectEnd;
+ if (__builtin_add_overflow(minObjectEnd, sizeof(int32_t), &objectEnd) ||
+ objectEnd > mDataSize) {
+ return BAD_VALUE;
+ }
+ const auto fdIndex = *reinterpret_cast<const int32_t*>(mData + minObjectEnd);
if (rpcFields->mFds == nullptr || fdIndex < 0 ||
static_cast<size_t>(fdIndex) >= rpcFields->mFds->size()) {
ALOGE("RPC Parcel contains invalid file descriptor index. index=%d fd_count=%zu",
@@ -3239,6 +3294,7 @@
// In practice, this always removes the last element.
rpcFields->mFds->erase(rpcFields->mFds->begin() + fdIndex);
}
+ rpcFields->mObjectPositions.pop_back();
}
return OK;
}
diff --git a/libs/binder/include/binder/Parcel.h b/libs/binder/include/binder/Parcel.h
index ed4e211..50a58e9 100644
--- a/libs/binder/include/binder/Parcel.h
+++ b/libs/binder/include/binder/Parcel.h
@@ -648,8 +648,8 @@
LIBBINDER_EXPORTED void print(std::ostream& to, uint32_t flags = 0) const;
private:
- // Explicitly close all file descriptors in the parcel.
- void closeFileDescriptors();
+ // Close all file descriptors in the parcel at object positions >= newObjectsSize.
+ void closeFileDescriptors(size_t newObjectsSize);
// `objects` and `objectsSize` always 0 for RPC Parcels.
typedef void (*release_func)(const uint8_t* data, size_t dataSize, const binder_size_t* objects,
diff --git a/libs/binder/tests/binderLibTest.cpp b/libs/binder/tests/binderLibTest.cpp
index bcab6de..e152763 100644
--- a/libs/binder/tests/binderLibTest.cpp
+++ b/libs/binder/tests/binderLibTest.cpp
@@ -46,6 +46,7 @@
#include <linux/sched.h>
#include <sys/epoll.h>
+#include <sys/mman.h>
#include <sys/prctl.h>
#include <sys/socket.h>
#include <sys/un.h>
@@ -110,6 +111,8 @@
BINDER_LIB_TEST_LINK_DEATH_TRANSACTION,
BINDER_LIB_TEST_WRITE_FILE_TRANSACTION,
BINDER_LIB_TEST_WRITE_PARCEL_FILE_DESCRIPTOR_TRANSACTION,
+ BINDER_LIB_TEST_GET_FILE_DESCRIPTORS_OWNED_TRANSACTION,
+ BINDER_LIB_TEST_GET_FILE_DESCRIPTORS_UNOWNED_TRANSACTION,
BINDER_LIB_TEST_EXIT_TRANSACTION,
BINDER_LIB_TEST_DELAYED_EXIT_TRANSACTION,
BINDER_LIB_TEST_GET_PTR_SIZE_TRANSACTION,
@@ -536,6 +539,30 @@
};
};
+ssize_t countFds() {
+ return std::distance(std::filesystem::directory_iterator("/proc/self/fd"),
+ std::filesystem::directory_iterator{});
+}
+
+struct FdLeakDetector {
+ int startCount;
+
+ FdLeakDetector() {
+ // This log statement is load bearing. We have to log something before
+ // counting FDs to make sure the logging system is initialized, otherwise
+ // the sockets it opens will look like a leak.
+ ALOGW("FdLeakDetector counting FDs.");
+ startCount = countFds();
+ }
+ ~FdLeakDetector() {
+ int endCount = countFds();
+ if (startCount != endCount) {
+ ADD_FAILURE() << "fd count changed (" << startCount << " -> " << endCount
+ << ") fd leak?";
+ }
+ }
+};
+
TEST_F(BinderLibTest, CannotUseBinderAfterFork) {
// EXPECT_DEATH works by forking the process
EXPECT_DEATH({ ProcessState::self(); }, "libbinder ProcessState can not be used after fork");
@@ -1175,6 +1202,100 @@
EXPECT_EQ(0, read(read_end.get(), readbuf.data(), datasize));
}
+TEST_F(BinderLibTest, RecvOwnedFileDescriptors) {
+ FdLeakDetector fd_leak_detector;
+
+ Parcel data;
+ Parcel reply;
+ EXPECT_EQ(NO_ERROR,
+ m_server->transact(BINDER_LIB_TEST_GET_FILE_DESCRIPTORS_OWNED_TRANSACTION, data,
+ &reply));
+ unique_fd a, b;
+ EXPECT_EQ(OK, reply.readUniqueFileDescriptor(&a));
+ EXPECT_EQ(OK, reply.readUniqueFileDescriptor(&b));
+}
+
+// Used to trigger fdsan error (b/239222407).
+TEST_F(BinderLibTest, RecvOwnedFileDescriptorsAndWriteInt) {
+ GTEST_SKIP() << "triggers fdsan false positive: b/370824489";
+
+ FdLeakDetector fd_leak_detector;
+
+ Parcel data;
+ Parcel reply;
+ EXPECT_EQ(NO_ERROR,
+ m_server->transact(BINDER_LIB_TEST_GET_FILE_DESCRIPTORS_OWNED_TRANSACTION, data,
+ &reply));
+ reply.setDataPosition(reply.dataSize());
+ reply.writeInt32(0);
+ reply.setDataPosition(0);
+ unique_fd a, b;
+ EXPECT_EQ(OK, reply.readUniqueFileDescriptor(&a));
+ EXPECT_EQ(OK, reply.readUniqueFileDescriptor(&b));
+}
+
+// Used to trigger fdsan error (b/239222407).
+TEST_F(BinderLibTest, RecvOwnedFileDescriptorsAndTruncate) {
+ GTEST_SKIP() << "triggers fdsan false positive: b/370824489";
+
+ FdLeakDetector fd_leak_detector;
+
+ Parcel data;
+ Parcel reply;
+ EXPECT_EQ(NO_ERROR,
+ m_server->transact(BINDER_LIB_TEST_GET_FILE_DESCRIPTORS_OWNED_TRANSACTION, data,
+ &reply));
+ reply.setDataSize(reply.dataSize() - sizeof(flat_binder_object));
+ unique_fd a, b;
+ EXPECT_EQ(OK, reply.readUniqueFileDescriptor(&a));
+ EXPECT_EQ(BAD_TYPE, reply.readUniqueFileDescriptor(&b));
+}
+
+TEST_F(BinderLibTest, RecvUnownedFileDescriptors) {
+ FdLeakDetector fd_leak_detector;
+
+ Parcel data;
+ Parcel reply;
+ EXPECT_EQ(NO_ERROR,
+ m_server->transact(BINDER_LIB_TEST_GET_FILE_DESCRIPTORS_UNOWNED_TRANSACTION, data,
+ &reply));
+ unique_fd a, b;
+ EXPECT_EQ(OK, reply.readUniqueFileDescriptor(&a));
+ EXPECT_EQ(OK, reply.readUniqueFileDescriptor(&b));
+}
+
+// Used to trigger fdsan error (b/239222407).
+TEST_F(BinderLibTest, RecvUnownedFileDescriptorsAndWriteInt) {
+ FdLeakDetector fd_leak_detector;
+
+ Parcel data;
+ Parcel reply;
+ EXPECT_EQ(NO_ERROR,
+ m_server->transact(BINDER_LIB_TEST_GET_FILE_DESCRIPTORS_UNOWNED_TRANSACTION, data,
+ &reply));
+ reply.setDataPosition(reply.dataSize());
+ reply.writeInt32(0);
+ reply.setDataPosition(0);
+ unique_fd a, b;
+ EXPECT_EQ(OK, reply.readUniqueFileDescriptor(&a));
+ EXPECT_EQ(OK, reply.readUniqueFileDescriptor(&b));
+}
+
+// Used to trigger fdsan error (b/239222407).
+TEST_F(BinderLibTest, RecvUnownedFileDescriptorsAndTruncate) {
+ FdLeakDetector fd_leak_detector;
+
+ Parcel data;
+ Parcel reply;
+ EXPECT_EQ(NO_ERROR,
+ m_server->transact(BINDER_LIB_TEST_GET_FILE_DESCRIPTORS_UNOWNED_TRANSACTION, data,
+ &reply));
+ reply.setDataSize(reply.dataSize() - sizeof(flat_binder_object));
+ unique_fd a, b;
+ EXPECT_EQ(OK, reply.readUniqueFileDescriptor(&a));
+ EXPECT_EQ(BAD_TYPE, reply.readUniqueFileDescriptor(&b));
+}
+
TEST_F(BinderLibTest, PromoteLocal) {
sp<IBinder> strong = new BBinder();
wp<IBinder> weak = strong;
@@ -2224,6 +2345,40 @@
if (ret != size) return UNKNOWN_ERROR;
return NO_ERROR;
}
+ case BINDER_LIB_TEST_GET_FILE_DESCRIPTORS_OWNED_TRANSACTION: {
+ unique_fd fd1(memfd_create("memfd1", MFD_CLOEXEC));
+ if (!fd1.ok()) {
+ PLOGE("memfd_create failed");
+ return UNKNOWN_ERROR;
+ }
+ unique_fd fd2(memfd_create("memfd2", MFD_CLOEXEC));
+ if (!fd2.ok()) {
+ PLOGE("memfd_create failed");
+ return UNKNOWN_ERROR;
+ }
+ status_t ret;
+ ret = reply->writeFileDescriptor(fd1.release(), true);
+ if (ret != NO_ERROR) {
+ return ret;
+ }
+ ret = reply->writeFileDescriptor(fd2.release(), true);
+ if (ret != NO_ERROR) {
+ return ret;
+ }
+ return NO_ERROR;
+ }
+ case BINDER_LIB_TEST_GET_FILE_DESCRIPTORS_UNOWNED_TRANSACTION: {
+ status_t ret;
+ ret = reply->writeFileDescriptor(STDOUT_FILENO, false);
+ if (ret != NO_ERROR) {
+ return ret;
+ }
+ ret = reply->writeFileDescriptor(STDERR_FILENO, false);
+ if (ret != NO_ERROR) {
+ return ret;
+ }
+ return NO_ERROR;
+ }
case BINDER_LIB_TEST_DELAYED_EXIT_TRANSACTION:
alarm(10);
return NO_ERROR;
diff --git a/libs/input/KeyCharacterMap.cpp b/libs/input/KeyCharacterMap.cpp
index b0563ab..d775327 100644
--- a/libs/input/KeyCharacterMap.cpp
+++ b/libs/input/KeyCharacterMap.cpp
@@ -365,6 +365,17 @@
return toKeyCode;
}
+std::vector<int32_t> KeyCharacterMap::findKeyCodesMappedToKeyCode(int32_t toKeyCode) const {
+ std::vector<int32_t> fromKeyCodes;
+
+ for (const auto& [from, to] : mKeyRemapping) {
+ if (toKeyCode == to) {
+ fromKeyCodes.push_back(from);
+ }
+ }
+ return fromKeyCodes;
+}
+
std::pair<int32_t, int32_t> KeyCharacterMap::applyKeyBehavior(int32_t fromKeyCode,
int32_t fromMetaState) const {
int32_t toKeyCode = fromKeyCode;
diff --git a/libs/input/Resampler.cpp b/libs/input/Resampler.cpp
index 1adff7b..e2cc6fb 100644
--- a/libs/input/Resampler.cpp
+++ b/libs/input/Resampler.cpp
@@ -18,6 +18,7 @@
#include <algorithm>
#include <chrono>
+#include <ostream>
#include <android-base/logging.h>
#include <android-base/properties.h>
@@ -26,10 +27,7 @@
#include <input/Resampler.h>
#include <utils/Timers.h>
-using std::chrono::nanoseconds;
-
namespace android {
-
namespace {
const bool IS_DEBUGGABLE_BUILD =
@@ -49,6 +47,8 @@
return __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "Resampling", ANDROID_LOG_INFO);
}
+using std::chrono::nanoseconds;
+
constexpr std::chrono::milliseconds RESAMPLE_LATENCY{5};
constexpr std::chrono::milliseconds RESAMPLE_MIN_DELTA{2};
@@ -75,6 +75,31 @@
resampledCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, lerp(a.getY(), b.getY(), alpha));
return resampledCoords;
}
+
+bool equalXY(const PointerCoords& a, const PointerCoords& b) {
+ return (a.getX() == b.getX()) && (a.getY() == b.getY());
+}
+
+void setMotionEventPointerCoords(MotionEvent& motionEvent, size_t sampleIndex, size_t pointerIndex,
+ const PointerCoords& pointerCoords) {
+ // Ideally, we should not cast away const. In this particular case, it's safe to cast away const
+ // and dereference getHistoricalRawPointerCoords returned pointer because motionEvent is a
+ // nonconst reference to a MotionEvent object, so mutating the object should not be undefined
+ // behavior; moreover, the invoked method guarantees to return a valid pointer. Otherwise, it
+ // fatally logs. Alternatively, we could've created a new MotionEvent from scratch, but this
+ // approach is simpler and more efficient.
+ PointerCoords& motionEventCoords = const_cast<PointerCoords&>(
+ *(motionEvent.getHistoricalRawPointerCoords(pointerIndex, sampleIndex)));
+ motionEventCoords.setAxisValue(AMOTION_EVENT_AXIS_X, pointerCoords.getX());
+ motionEventCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, pointerCoords.getY());
+ motionEventCoords.isResampled = pointerCoords.isResampled;
+}
+
+std::ostream& operator<<(std::ostream& os, const PointerCoords& pointerCoords) {
+ os << "(" << pointerCoords.getX() << ", " << pointerCoords.getY() << ")";
+ return os;
+}
+
} // namespace
void LegacyResampler::updateLatestSamples(const MotionEvent& motionEvent) {
@@ -85,12 +110,9 @@
std::vector<Pointer> pointers;
const size_t numPointers = motionEvent.getPointerCount();
for (size_t pointerIndex = 0; pointerIndex < numPointers; ++pointerIndex) {
- // getSamplePointerCoords is the vector representation of a getHistorySize by
- // getPointerCount matrix.
- const PointerCoords& pointerCoords =
- motionEvent.getSamplePointerCoords()[sampleIndex * numPointers + pointerIndex];
- pointers.push_back(
- Pointer{*motionEvent.getPointerProperties(pointerIndex), pointerCoords});
+ pointers.push_back(Pointer{*(motionEvent.getPointerProperties(pointerIndex)),
+ *(motionEvent.getHistoricalRawPointerCoords(pointerIndex,
+ sampleIndex))});
}
mLatestSamples.pushBack(
Sample{nanoseconds{motionEvent.getHistoricalEventTime(sampleIndex)}, pointers});
@@ -245,6 +267,47 @@
return RESAMPLE_LATENCY;
}
+void LegacyResampler::overwriteMotionEventSamples(MotionEvent& motionEvent) const {
+ const size_t numSamples = motionEvent.getHistorySize() + 1;
+ for (size_t sampleIndex = 0; sampleIndex < numSamples; ++sampleIndex) {
+ overwriteStillPointers(motionEvent, sampleIndex);
+ overwriteOldPointers(motionEvent, sampleIndex);
+ }
+}
+
+void LegacyResampler::overwriteStillPointers(MotionEvent& motionEvent, size_t sampleIndex) const {
+ for (size_t pointerIndex = 0; pointerIndex < motionEvent.getPointerCount(); ++pointerIndex) {
+ const PointerCoords& pointerCoords =
+ *(motionEvent.getHistoricalRawPointerCoords(pointerIndex, sampleIndex));
+ if (equalXY(mLastRealSample->pointers[pointerIndex].coords, pointerCoords)) {
+ LOG_IF(INFO, debugResampling())
+ << "Pointer ID: " << motionEvent.getPointerId(pointerIndex)
+ << " did not move. Overwriting its coordinates from " << pointerCoords << " to "
+ << mLastRealSample->pointers[pointerIndex].coords;
+ setMotionEventPointerCoords(motionEvent, sampleIndex, pointerIndex,
+ mPreviousPrediction->pointers[pointerIndex].coords);
+ }
+ }
+}
+
+void LegacyResampler::overwriteOldPointers(MotionEvent& motionEvent, size_t sampleIndex) const {
+ if (!mPreviousPrediction.has_value()) {
+ return;
+ }
+ if (nanoseconds{motionEvent.getHistoricalEventTime(sampleIndex)} <
+ mPreviousPrediction->eventTime) {
+ LOG_IF(INFO, debugResampling())
+ << "Motion event sample older than predicted sample. Overwriting event time from "
+ << motionEvent.getHistoricalEventTime(sampleIndex) << "ns to "
+ << mPreviousPrediction->eventTime.count() << "ns.";
+ for (size_t pointerIndex = 0; pointerIndex < motionEvent.getPointerCount();
+ ++pointerIndex) {
+ setMotionEventPointerCoords(motionEvent, sampleIndex, pointerIndex,
+ mPreviousPrediction->pointers[pointerIndex].coords);
+ }
+ }
+}
+
void LegacyResampler::resampleMotionEvent(nanoseconds frameTime, MotionEvent& motionEvent,
const InputMessage* futureSample) {
const nanoseconds resampleTime = frameTime - RESAMPLE_LATENCY;
@@ -261,6 +324,16 @@
: (attemptExtrapolation(resampleTime));
if (sample.has_value()) {
addSampleToMotionEvent(*sample, motionEvent);
+ if (mPreviousPrediction.has_value()) {
+ overwriteMotionEventSamples(motionEvent);
+ }
+ // mPreviousPrediction is only updated whenever extrapolation occurs because extrapolation
+ // is about predicting upcoming scenarios.
+ if (futureSample == nullptr) {
+ mPreviousPrediction = sample;
+ }
}
+ mLastRealSample = *(mLatestSamples.end() - 1);
}
+
} // namespace android
diff --git a/libs/input/tests/InputConsumerResampling_test.cpp b/libs/input/tests/InputConsumerResampling_test.cpp
index b139e87..883ca82 100644
--- a/libs/input/tests/InputConsumerResampling_test.cpp
+++ b/libs/input/tests/InputConsumerResampling_test.cpp
@@ -197,8 +197,6 @@
mClientTestChannel->enqueueMessage(nextPointerMessage(
{0ms, {Pointer{.id = 0, .x = 10.0f, .y = 20.0f}}, AMOTION_EVENT_ACTION_DOWN}));
- mClientTestChannel->assertNoSentMessages();
-
invokeLooperCallback();
assertReceivedMotionEvent({InputEventEntry{0ms,
{Pointer{.id = 0, .x = 10.0f, .y = 20.0f}},
@@ -238,8 +236,6 @@
mClientTestChannel->enqueueMessage(nextPointerMessage(
{0ms, {Pointer{.id = 1, .x = 10.0f, .y = 20.0f}}, AMOTION_EVENT_ACTION_DOWN}));
- mClientTestChannel->assertNoSentMessages();
-
invokeLooperCallback();
assertReceivedMotionEvent({InputEventEntry{0ms,
{Pointer{.id = 1, .x = 10.0f, .y = 20.0f}},
@@ -280,8 +276,6 @@
{Pointer{.id = 0, .x = 10.0f, .y = 20.0f, .toolType = ToolType::STYLUS}},
AMOTION_EVENT_ACTION_DOWN}));
- mClientTestChannel->assertNoSentMessages();
-
invokeLooperCallback();
assertReceivedMotionEvent({InputEventEntry{0ms,
{Pointer{.id = 0,
@@ -338,8 +332,6 @@
{Pointer{.id = 0, .x = 10.0f, .y = 20.0f, .toolType = ToolType::MOUSE}},
AMOTION_EVENT_ACTION_DOWN}));
- mClientTestChannel->assertNoSentMessages();
-
invokeLooperCallback();
assertReceivedMotionEvent({InputEventEntry{0ms,
{Pointer{.id = 0,
@@ -396,8 +388,6 @@
{Pointer{.id = 0, .x = 10.0f, .y = 20.0f, .toolType = ToolType::PALM}},
AMOTION_EVENT_ACTION_DOWN}));
- mClientTestChannel->assertNoSentMessages();
-
invokeLooperCallback();
assertReceivedMotionEvent(
{InputEventEntry{0ms,
@@ -438,8 +428,6 @@
mClientTestChannel->enqueueMessage(nextPointerMessage(
{0ms, {Pointer{.id = 0, .x = 10.0f, .y = 20.0f}}, AMOTION_EVENT_ACTION_DOWN}));
- mClientTestChannel->assertNoSentMessages();
-
invokeLooperCallback();
assertReceivedMotionEvent({InputEventEntry{0ms,
{Pointer{.id = 0, .x = 10.0f, .y = 20.0f}},
@@ -468,4 +456,114 @@
mClientTestChannel->assertFinishMessage(/*seq=*/3, /*handled=*/true);
}
+/**
+ * Once we send a resampled value to the app, we should continue to send the last predicted value if
+ * a pointer does not move. Only real values are used to determine if a pointer does not move.
+ */
+TEST_F(InputConsumerResamplingTest, ResampledValueIsUsedForIdenticalCoordinates) {
+ // Send the initial ACTION_DOWN separately, so that the first consumed event will only return an
+ // InputEvent with a single action.
+ mClientTestChannel->enqueueMessage(nextPointerMessage(
+ {0ms, {Pointer{.id = 0, .x = 10.0f, .y = 20.0f}}, AMOTION_EVENT_ACTION_DOWN}));
+
+ invokeLooperCallback();
+ assertReceivedMotionEvent({InputEventEntry{0ms,
+ {Pointer{.id = 0, .x = 10.0f, .y = 20.0f}},
+ AMOTION_EVENT_ACTION_DOWN}});
+
+ // Two ACTION_MOVE events 10 ms apart that move in X direction and stay still in Y
+ mClientTestChannel->enqueueMessage(nextPointerMessage(
+ {10ms, {Pointer{.id = 0, .x = 20.0f, .y = 30.0f}}, AMOTION_EVENT_ACTION_MOVE}));
+ mClientTestChannel->enqueueMessage(nextPointerMessage(
+ {20ms, {Pointer{.id = 0, .x = 30.0f, .y = 30.0f}}, AMOTION_EVENT_ACTION_MOVE}));
+
+ invokeLooperCallback();
+ mConsumer->consumeBatchedInputEvents(nanoseconds{35ms}.count());
+ assertReceivedMotionEvent(
+ {InputEventEntry{10ms,
+ {Pointer{.id = 0, .x = 20.0f, .y = 30.0f}},
+ AMOTION_EVENT_ACTION_MOVE},
+ InputEventEntry{20ms,
+ {Pointer{.id = 0, .x = 30.0f, .y = 30.0f}},
+ AMOTION_EVENT_ACTION_MOVE},
+ InputEventEntry{25ms,
+ {Pointer{.id = 0, .x = 35.0f, .y = 30.0f, .isResampled = true}},
+ AMOTION_EVENT_ACTION_MOVE}});
+
+ // Coordinate value 30 has been resampled to 35. When a new event comes in with value 30 again,
+ // the system should still report 35.
+ mClientTestChannel->enqueueMessage(nextPointerMessage(
+ {40ms, {Pointer{.id = 0, .x = 30.0f, .y = 30.0f}}, AMOTION_EVENT_ACTION_MOVE}));
+
+ invokeLooperCallback();
+ mConsumer->consumeBatchedInputEvents(nanoseconds{45ms + 5ms /*RESAMPLE_LATENCY*/}.count());
+ assertReceivedMotionEvent(
+ {InputEventEntry{40ms,
+ {Pointer{.id = 0, .x = 35.0f, .y = 30.0f, .isResampled = true}},
+ AMOTION_EVENT_ACTION_MOVE}, // original event, rewritten
+ InputEventEntry{45ms,
+ {Pointer{.id = 0, .x = 35.0f, .y = 30.0f, .isResampled = true}},
+ AMOTION_EVENT_ACTION_MOVE}}); // resampled event, rewritten
+
+ mClientTestChannel->assertFinishMessage(/*seq=*/1, /*handled=*/true);
+ mClientTestChannel->assertFinishMessage(/*seq=*/2, /*handled=*/true);
+ mClientTestChannel->assertFinishMessage(/*seq=*/3, /*handled=*/true);
+ mClientTestChannel->assertFinishMessage(/*seq=*/4, /*handled=*/true);
+}
+
+TEST_F(InputConsumerResamplingTest, OldEventReceivedAfterResampleOccurs) {
+ // Send the initial ACTION_DOWN separately, so that the first consumed event will only return an
+ // InputEvent with a single action.
+ mClientTestChannel->enqueueMessage(nextPointerMessage(
+ {0ms, {Pointer{.id = 0, .x = 10.0f, .y = 20.0f}}, AMOTION_EVENT_ACTION_DOWN}));
+
+ invokeLooperCallback();
+ assertReceivedMotionEvent({InputEventEntry{0ms,
+ {Pointer{.id = 0, .x = 10.0f, .y = 20.0f}},
+ AMOTION_EVENT_ACTION_DOWN}});
+
+ // Two ACTION_MOVE events 10 ms apart that move in X direction and stay still in Y
+ mClientTestChannel->enqueueMessage(nextPointerMessage(
+ {10ms, {Pointer{.id = 0, .x = 20.0f, .y = 30.0f}}, AMOTION_EVENT_ACTION_MOVE}));
+ mClientTestChannel->enqueueMessage(nextPointerMessage(
+ {20ms, {Pointer{.id = 0, .x = 30.0f, .y = 30.0f}}, AMOTION_EVENT_ACTION_MOVE}));
+
+ invokeLooperCallback();
+ mConsumer->consumeBatchedInputEvents(nanoseconds{35ms}.count());
+ assertReceivedMotionEvent(
+ {InputEventEntry{10ms,
+ {Pointer{.id = 0, .x = 20.0f, .y = 30.0f}},
+ AMOTION_EVENT_ACTION_MOVE},
+ InputEventEntry{20ms,
+ {Pointer{.id = 0, .x = 30.0f, .y = 30.0f}},
+ AMOTION_EVENT_ACTION_MOVE},
+ InputEventEntry{25ms,
+ {Pointer{.id = 0, .x = 35.0f, .y = 30.0f, .isResampled = true}},
+ AMOTION_EVENT_ACTION_MOVE}});
+
+ // Above, the resampled event is at 25ms rather than at 30 ms = 35ms - RESAMPLE_LATENCY
+ // because we are further bound by how far we can extrapolate by the "last time delta".
+ // That's 50% of (20 ms - 10ms) => 5ms. So we can't predict more than 5 ms into the future
+ // from the event at 20ms, which is why the resampled event is at t = 25 ms.
+
+ // We resampled the event to 25 ms. Now, an older 'real' event comes in.
+ mClientTestChannel->enqueueMessage(nextPointerMessage(
+ {24ms, {Pointer{.id = 0, .x = 40.0f, .y = 30.0f}}, AMOTION_EVENT_ACTION_MOVE}));
+
+ invokeLooperCallback();
+ mConsumer->consumeBatchedInputEvents(nanoseconds{50ms}.count());
+ assertReceivedMotionEvent(
+ {InputEventEntry{24ms,
+ {Pointer{.id = 0, .x = 35.0f, .y = 30.0f, .isResampled = true}},
+ AMOTION_EVENT_ACTION_MOVE}, // original event, rewritten
+ InputEventEntry{26ms,
+ {Pointer{.id = 0, .x = 45.0f, .y = 30.0f, .isResampled = true}},
+ AMOTION_EVENT_ACTION_MOVE}}); // resampled event, rewritten
+
+ mClientTestChannel->assertFinishMessage(/*seq=*/1, /*handled=*/true);
+ mClientTestChannel->assertFinishMessage(/*seq=*/2, /*handled=*/true);
+ mClientTestChannel->assertFinishMessage(/*seq=*/3, /*handled=*/true);
+ mClientTestChannel->assertFinishMessage(/*seq=*/4, /*handled=*/true);
+}
+
} // namespace android
diff --git a/services/inputflinger/dispatcher/DragState.h b/services/inputflinger/dispatcher/DragState.h
index 9809148..1ed6c29 100644
--- a/services/inputflinger/dispatcher/DragState.h
+++ b/services/inputflinger/dispatcher/DragState.h
@@ -17,6 +17,7 @@
#pragma once
#include <gui/WindowInfo.h>
+#include <input/Input.h>
#include <utils/StrongPointer.h>
#include <string>
@@ -25,8 +26,9 @@
namespace inputdispatcher {
struct DragState {
- DragState(const sp<android::gui::WindowInfoHandle>& windowHandle, int32_t pointerId)
- : dragWindow(windowHandle), pointerId(pointerId) {}
+ DragState(const sp<android::gui::WindowInfoHandle>& windowHandle, DeviceId deviceId,
+ int32_t pointerId)
+ : dragWindow(windowHandle), deviceId(deviceId), pointerId(pointerId) {}
void dump(std::string& dump, const char* prefix = "");
// The window being dragged.
@@ -37,6 +39,8 @@
bool isStartDrag = false;
// Indicate if the stylus button is down at the start of the drag.
bool isStylusButtonDownAtStart = false;
+ // Indicate which device started this drag and drop.
+ const DeviceId deviceId;
// Indicate which pointer id is tracked by the drag and drop.
const int32_t pointerId;
};
diff --git a/services/inputflinger/dispatcher/InputDispatcher.cpp b/services/inputflinger/dispatcher/InputDispatcher.cpp
index cbc0790..526dec6 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.cpp
+++ b/services/inputflinger/dispatcher/InputDispatcher.cpp
@@ -2895,7 +2895,8 @@
}
void InputDispatcher::addDragEventLocked(const MotionEntry& entry) {
- if (!mDragState || mDragState->dragWindow->getInfo()->displayId != entry.displayId) {
+ if (!mDragState || mDragState->dragWindow->getInfo()->displayId != entry.displayId ||
+ mDragState->deviceId != entry.deviceId) {
return;
}
@@ -5820,7 +5821,7 @@
}
// Track the pointer id for drag window and generate the drag state.
const size_t id = pointers.begin()->id;
- mDragState = std::make_unique<DragState>(toWindowHandle, id);
+ mDragState = std::make_unique<DragState>(toWindowHandle, deviceId, id);
}
// Synthesize cancel for old window and down for new window.
diff --git a/services/inputflinger/reader/EventHub.cpp b/services/inputflinger/reader/EventHub.cpp
index 0865eed..10cc1ee 100644
--- a/services/inputflinger/reader/EventHub.cpp
+++ b/services/inputflinger/reader/EventHub.cpp
@@ -659,6 +659,19 @@
}
bool EventHub::Device::hasKeycodeLocked(int keycode) const {
+ if (hasKeycodeInternalLocked(keycode)) {
+ return true;
+ }
+
+ for (auto& fromKey : getKeyCharacterMap()->findKeyCodesMappedToKeyCode(keycode)) {
+ if (hasKeycodeInternalLocked(fromKey)) {
+ return true;
+ }
+ }
+ return false;
+}
+
+bool EventHub::Device::hasKeycodeInternalLocked(int keycode) const {
if (!keyMap.haveKeyLayout()) {
return false;
}
@@ -676,7 +689,6 @@
if (usageCodes.size() > 0 && mscBitmask.test(MSC_SCAN)) {
return true;
}
-
return false;
}
diff --git a/services/inputflinger/reader/InputDevice.cpp b/services/inputflinger/reader/InputDevice.cpp
index 6185f1a..02eeb0a 100644
--- a/services/inputflinger/reader/InputDevice.cpp
+++ b/services/inputflinger/reader/InputDevice.cpp
@@ -691,16 +691,6 @@
return result;
}
-void InputDevice::updateMetaState(int32_t keyCode) {
- first_in_mappers<bool>([keyCode](InputMapper& mapper) {
- if (sourcesMatchMask(mapper.getSources(), AINPUT_SOURCE_KEYBOARD) &&
- mapper.updateMetaState(keyCode)) {
- return std::make_optional(true);
- }
- return std::optional<bool>();
- });
-}
-
void InputDevice::bumpGeneration() {
mGeneration = mContext->bumpGeneration();
}
diff --git a/services/inputflinger/reader/InputReader.cpp b/services/inputflinger/reader/InputReader.cpp
index 8b664d5..ab27042 100644
--- a/services/inputflinger/reader/InputReader.cpp
+++ b/services/inputflinger/reader/InputReader.cpp
@@ -584,18 +584,9 @@
void InputReader::toggleCapsLockState(int32_t deviceId) {
std::scoped_lock _l(mLock);
- InputDevice* device = findInputDeviceLocked(deviceId);
- if (!device) {
- ALOGW("Ignoring toggleCapsLock for unknown deviceId %" PRId32 ".", deviceId);
- return;
+ if (mKeyboardClassifier->getKeyboardType(deviceId) == KeyboardType::ALPHABETIC) {
+ updateLedMetaStateLocked(mLedMetaState ^ AMETA_CAPS_LOCK_ON);
}
-
- if (device->isIgnored()) {
- ALOGW("Ignoring toggleCapsLock for ignored deviceId %" PRId32 ".", deviceId);
- return;
- }
-
- device->updateMetaState(AKEYCODE_CAPS_LOCK);
}
bool InputReader::hasKeys(int32_t deviceId, uint32_t sourceMask,
diff --git a/services/inputflinger/reader/include/EventHub.h b/services/inputflinger/reader/include/EventHub.h
index edc3037..dffd8e3 100644
--- a/services/inputflinger/reader/include/EventHub.h
+++ b/services/inputflinger/reader/include/EventHub.h
@@ -680,6 +680,7 @@
void configureFd();
void populateAbsoluteAxisStates();
bool hasKeycodeLocked(int keycode) const;
+ bool hasKeycodeInternalLocked(int keycode) const;
void loadConfigurationLocked();
bool loadVirtualKeyMapLocked();
status_t loadKeyMapLocked();
diff --git a/services/inputflinger/reader/include/InputDevice.h b/services/inputflinger/reader/include/InputDevice.h
index 62cc4da..8958d9e 100644
--- a/services/inputflinger/reader/include/InputDevice.h
+++ b/services/inputflinger/reader/include/InputDevice.h
@@ -122,8 +122,6 @@
std::optional<int32_t> getLightPlayerId(int32_t lightId);
int32_t getMetaState();
- void updateMetaState(int32_t keyCode);
-
void setKeyboardType(KeyboardType keyboardType);
void bumpGeneration();
diff --git a/services/inputflinger/reader/mapper/InputMapper.cpp b/services/inputflinger/reader/mapper/InputMapper.cpp
index 627df7f..9e9ed2d 100644
--- a/services/inputflinger/reader/mapper/InputMapper.cpp
+++ b/services/inputflinger/reader/mapper/InputMapper.cpp
@@ -109,10 +109,6 @@
return 0;
}
-bool InputMapper::updateMetaState(int32_t keyCode) {
- return false;
-}
-
std::list<NotifyArgs> InputMapper::updateExternalStylusState(const StylusState& state) {
return {};
}
diff --git a/services/inputflinger/reader/mapper/InputMapper.h b/services/inputflinger/reader/mapper/InputMapper.h
index 75cc4bb..d4a86ac 100644
--- a/services/inputflinger/reader/mapper/InputMapper.h
+++ b/services/inputflinger/reader/mapper/InputMapper.h
@@ -111,11 +111,6 @@
virtual std::optional<int32_t> getLightPlayerId(int32_t lightId) { return std::nullopt; }
virtual int32_t getMetaState();
- /**
- * Process the meta key and update the global meta state when changed.
- * Return true if the meta key could be handled by the InputMapper.
- */
- virtual bool updateMetaState(int32_t keyCode);
[[nodiscard]] virtual std::list<NotifyArgs> updateExternalStylusState(const StylusState& state);
diff --git a/services/inputflinger/reader/mapper/KeyboardInputMapper.cpp b/services/inputflinger/reader/mapper/KeyboardInputMapper.cpp
index 38dcd65..567a3e2 100644
--- a/services/inputflinger/reader/mapper/KeyboardInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/KeyboardInputMapper.cpp
@@ -390,15 +390,6 @@
return mMetaState;
}
-bool KeyboardInputMapper::updateMetaState(int32_t keyCode) {
- if (!android::isMetaKey(keyCode) || !getDeviceContext().hasKeyCode(keyCode)) {
- return false;
- }
-
- updateMetaStateIfNeeded(keyCode, false);
- return true;
-}
-
bool KeyboardInputMapper::updateMetaStateIfNeeded(int32_t keyCode, bool down) {
int32_t oldMetaState = mMetaState;
int32_t newMetaState = android::updateMetaState(keyCode, down, oldMetaState);
@@ -434,17 +425,21 @@
mMetaState &= ~(AMETA_CAPS_LOCK_ON | AMETA_NUM_LOCK_ON | AMETA_SCROLL_LOCK_ON);
mMetaState |= getContext()->getLedMetaState();
- constexpr int32_t META_NUM = 3;
- const std::vector<int32_t> keyCodes{AKEYCODE_CAPS_LOCK, AKEYCODE_NUM_LOCK,
- AKEYCODE_SCROLL_LOCK};
- const std::array<int32_t, META_NUM> metaCodes = {AMETA_CAPS_LOCK_ON, AMETA_NUM_LOCK_ON,
- AMETA_SCROLL_LOCK_ON};
- std::array<uint8_t, META_NUM> flags = {0, 0, 0};
- bool hasKeyLayout = getDeviceContext().markSupportedKeyCodes(keyCodes, flags.data());
+ std::vector<int32_t> keyCodesToCheck{AKEYCODE_NUM_LOCK, AKEYCODE_SCROLL_LOCK};
+ std::vector<int32_t> metaCodes{AMETA_NUM_LOCK_ON, AMETA_SCROLL_LOCK_ON};
+ // Check for physical CapsLock key only for non-alphabetic keyboards. For Alphabetic
+ // keyboards, we will allow Caps Lock even if there is no physical CapsLock key.
+ if (getDeviceContext().getKeyboardType() != KeyboardType::ALPHABETIC) {
+ keyCodesToCheck.push_back(AKEYCODE_CAPS_LOCK);
+ metaCodes.push_back(AMETA_CAPS_LOCK_ON);
+ }
+ size_t size = keyCodesToCheck.size();
+ std::vector<uint8_t> flags(size, 0);
+ bool hasKeyLayout = getDeviceContext().markSupportedKeyCodes(keyCodesToCheck, flags.data());
// If the device doesn't have the physical meta key it shouldn't generate the corresponding
// meta state.
if (hasKeyLayout) {
- for (int i = 0; i < META_NUM; i++) {
+ for (size_t i = 0; i < size; i++) {
if (!flags[i]) {
mMetaState &= ~metaCodes[i];
}
diff --git a/services/inputflinger/reader/mapper/KeyboardInputMapper.h b/services/inputflinger/reader/mapper/KeyboardInputMapper.h
index 2df0b85..10bd424 100644
--- a/services/inputflinger/reader/mapper/KeyboardInputMapper.h
+++ b/services/inputflinger/reader/mapper/KeyboardInputMapper.h
@@ -45,7 +45,6 @@
int32_t getKeyCodeForKeyLocation(int32_t locationKeyCode) const override;
int32_t getMetaState() override;
- bool updateMetaState(int32_t keyCode) override;
std::optional<ui::LogicalDisplayId> getAssociatedDisplayId() override;
void updateLedState(bool reset) override;
diff --git a/services/inputflinger/tests/InputDispatcher_test.cpp b/services/inputflinger/tests/InputDispatcher_test.cpp
index c5702e9..7b5c47b 100644
--- a/services/inputflinger/tests/InputDispatcher_test.cpp
+++ b/services/inputflinger/tests/InputDispatcher_test.cpp
@@ -12927,6 +12927,87 @@
<< "Drag and drop should not work with a hovering pointer";
}
+/**
+ * Two devices, we use the second pointer of Device A to start the drag, during the drag process, if
+ * we perform a click using Device B, the dispatcher should work well.
+ */
+TEST_F(InputDispatcherDragTests, DragAndDropWhenSplitTouchAndMultiDevice) {
+ const DeviceId deviceA = 1;
+ const DeviceId deviceB = 2;
+ // First down on second window with deviceA.
+ mDispatcher->notifyMotion(MotionArgsBuilder(ACTION_DOWN, AINPUT_SOURCE_TOUCHSCREEN)
+ .deviceId(deviceA)
+ .pointer(PointerBuilder(0, ToolType::FINGER).x(150).y(50))
+ .build());
+ mSecondWindow->consumeMotionEvent(AllOf(WithMotionAction(ACTION_DOWN), WithDeviceId(deviceA),
+ WithDisplayId(ui::LogicalDisplayId::DEFAULT)));
+
+ // Second down on first window with deviceA
+ mDispatcher->notifyMotion(MotionArgsBuilder(POINTER_1_DOWN, AINPUT_SOURCE_TOUCHSCREEN)
+ .deviceId(deviceA)
+ .pointer(PointerBuilder(0, ToolType::FINGER).x(150).y(50))
+ .pointer(PointerBuilder(1, ToolType::FINGER).x(50).y(50))
+ .build());
+ mWindow->consumeMotionEvent(AllOf(WithMotionAction(ACTION_DOWN), WithDeviceId(deviceA),
+ WithDisplayId(ui::LogicalDisplayId::DEFAULT)));
+ mSecondWindow->consumeMotionEvent(AllOf(WithMotionAction(ACTION_MOVE), WithDeviceId(deviceA),
+ WithDisplayId(ui::LogicalDisplayId::DEFAULT)));
+
+ // Perform drag and drop from first window.
+ ASSERT_TRUE(startDrag(/*sendDown=*/false));
+
+ // Click first window with device B, we should ensure dispatcher work well.
+ mDispatcher->notifyMotion(MotionArgsBuilder(ACTION_DOWN, AINPUT_SOURCE_MOUSE)
+ .deviceId(deviceB)
+ .pointer(PointerBuilder(0, ToolType::FINGER).x(50).y(50))
+ .build());
+ mWindow->consumeMotionEvent(AllOf(WithMotionAction(ACTION_DOWN), WithDeviceId(deviceB),
+ WithDisplayId(ui::LogicalDisplayId::DEFAULT)));
+
+ mDispatcher->notifyMotion(MotionArgsBuilder(ACTION_UP, AINPUT_SOURCE_MOUSE)
+ .deviceId(deviceB)
+ .pointer(PointerBuilder(0, ToolType::FINGER).x(50).y(50))
+ .build());
+ mWindow->consumeMotionEvent(AllOf(WithMotionAction(ACTION_UP), WithDeviceId(deviceB),
+ WithDisplayId(ui::LogicalDisplayId::DEFAULT)));
+
+ // Move with device A.
+ mDispatcher->notifyMotion(MotionArgsBuilder(ACTION_MOVE, AINPUT_SOURCE_TOUCHSCREEN)
+ .deviceId(deviceA)
+ .pointer(PointerBuilder(0, ToolType::FINGER).x(151).y(51))
+ .pointer(PointerBuilder(1, ToolType::FINGER).x(51).y(51))
+ .build());
+
+ mDragWindow->consumeMotionEvent(AllOf(WithMotionAction(ACTION_MOVE), WithDeviceId(deviceA),
+ WithDisplayId(ui::LogicalDisplayId::DEFAULT),
+ WithFlags(AMOTION_EVENT_FLAG_NO_FOCUS_CHANGE)));
+ mWindow->consumeDragEvent(false, 51, 51);
+ mSecondWindow->consumeMotionEvent(AllOf(WithMotionAction(ACTION_MOVE), WithDeviceId(deviceA),
+ WithDisplayId(ui::LogicalDisplayId::DEFAULT)));
+
+ // Releasing the drag pointer should cause drop.
+ mDispatcher->notifyMotion(MotionArgsBuilder(POINTER_1_UP, AINPUT_SOURCE_TOUCHSCREEN)
+ .deviceId(deviceA)
+ .pointer(PointerBuilder(0, ToolType::FINGER).x(151).y(51))
+ .pointer(PointerBuilder(1, ToolType::FINGER).x(51).y(51))
+ .build());
+ mDragWindow->consumeMotionEvent(AllOf(WithMotionAction(ACTION_UP), WithDeviceId(deviceA),
+ WithDisplayId(ui::LogicalDisplayId::DEFAULT),
+ WithFlags(AMOTION_EVENT_FLAG_NO_FOCUS_CHANGE)));
+ mFakePolicy->assertDropTargetEquals(*mDispatcher, mWindow->getToken());
+ mSecondWindow->consumeMotionEvent(AllOf(WithMotionAction(ACTION_MOVE), WithDeviceId(deviceA),
+ WithDisplayId(ui::LogicalDisplayId::DEFAULT)));
+
+ // Release all pointers.
+ mDispatcher->notifyMotion(MotionArgsBuilder(ACTION_UP, AINPUT_SOURCE_TOUCHSCREEN)
+ .deviceId(deviceA)
+ .pointer(PointerBuilder(0, ToolType::FINGER).x(151).y(51))
+ .build());
+ mSecondWindow->consumeMotionEvent(AllOf(WithMotionAction(ACTION_UP), WithDeviceId(deviceA),
+ WithDisplayId(ui::LogicalDisplayId::DEFAULT)));
+ mWindow->assertNoEvents();
+}
+
class InputDispatcherDropInputFeatureTest : public InputDispatcherTest {};
TEST_F(InputDispatcherDropInputFeatureTest, WindowDropsInput) {
diff --git a/services/inputflinger/tests/InputReader_test.cpp b/services/inputflinger/tests/InputReader_test.cpp
index 17c37d5..6c8b65c 100644
--- a/services/inputflinger/tests/InputReader_test.cpp
+++ b/services/inputflinger/tests/InputReader_test.cpp
@@ -3671,40 +3671,6 @@
ASSERT_EQ(AMETA_NONE, mapper.getMetaState());
}
-TEST_F(KeyboardInputMapperTest, NoMetaStateWhenMetaKeysNotPresent) {
- mFakeEventHub->addKey(EVENTHUB_ID, BTN_A, 0, AKEYCODE_BUTTON_A, 0);
- mFakeEventHub->addKey(EVENTHUB_ID, BTN_B, 0, AKEYCODE_BUTTON_B, 0);
- mFakeEventHub->addKey(EVENTHUB_ID, BTN_X, 0, AKEYCODE_BUTTON_X, 0);
- mFakeEventHub->addKey(EVENTHUB_ID, BTN_Y, 0, AKEYCODE_BUTTON_Y, 0);
-
- KeyboardInputMapper& mapper =
- constructAndAddMapper<KeyboardInputMapper>(AINPUT_SOURCE_KEYBOARD);
-
- // Meta state should be AMETA_NONE after reset
- std::list<NotifyArgs> unused = mapper.reset(ARBITRARY_TIME);
- ASSERT_EQ(AMETA_NONE, mapper.getMetaState());
- // Meta state should be AMETA_NONE with update, as device doesn't have the keys.
- mapper.updateMetaState(AKEYCODE_NUM_LOCK);
- ASSERT_EQ(AMETA_NONE, mapper.getMetaState());
-
- NotifyKeyArgs args;
- // Press button "A"
- process(mapper, ARBITRARY_TIME, READ_TIME, EV_KEY, BTN_A, 1);
- ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyKeyWasCalled(&args));
- ASSERT_EQ(AMETA_NONE, args.metaState);
- ASSERT_EQ(AMETA_NONE, mapper.getMetaState());
- ASSERT_EQ(AKEY_EVENT_ACTION_DOWN, args.action);
- ASSERT_EQ(AKEYCODE_BUTTON_A, args.keyCode);
-
- // Button up.
- process(mapper, ARBITRARY_TIME + 2, READ_TIME, EV_KEY, BTN_A, 0);
- ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyKeyWasCalled(&args));
- ASSERT_EQ(AMETA_NONE, args.metaState);
- ASSERT_EQ(AMETA_NONE, mapper.getMetaState());
- ASSERT_EQ(AKEY_EVENT_ACTION_UP, args.action);
- ASSERT_EQ(AKEYCODE_BUTTON_A, args.keyCode);
-}
-
TEST_F(KeyboardInputMapperTest, Configure_AssignsDisplayPort) {
// keyboard 1.
mFakeEventHub->addKey(EVENTHUB_ID, KEY_UP, 0, AKEYCODE_DPAD_UP, 0);
diff --git a/services/inputflinger/tests/InterfaceMocks.h b/services/inputflinger/tests/InterfaceMocks.h
index f41b39a..a43e4e4 100644
--- a/services/inputflinger/tests/InterfaceMocks.h
+++ b/services/inputflinger/tests/InterfaceMocks.h
@@ -246,8 +246,6 @@
MOCK_METHOD(std::optional<int32_t>, getLightPlayerId, (int32_t lightId), ());
MOCK_METHOD(int32_t, getMetaState, (), ());
- MOCK_METHOD(void, updateMetaState, (int32_t keyCode), ());
-
MOCK_METHOD(void, setKeyboardType, (KeyboardType keyboardType), ());
MOCK_METHOD(void, bumpGeneration, (), ());
diff --git a/services/inputflinger/tests/fuzzers/KeyboardInputFuzzer.cpp b/services/inputflinger/tests/fuzzers/KeyboardInputFuzzer.cpp
index 9e02502..11b038b 100644
--- a/services/inputflinger/tests/fuzzers/KeyboardInputFuzzer.cpp
+++ b/services/inputflinger/tests/fuzzers/KeyboardInputFuzzer.cpp
@@ -99,7 +99,6 @@
nullptr);
},
[&]() -> void { mapper.getMetaState(); },
- [&]() -> void { mapper.updateMetaState(fdp->ConsumeIntegral<int32_t>()); },
[&]() -> void { mapper.getAssociatedDisplayId(); },
})();
}
diff --git a/services/surfaceflinger/FrontEnd/LayerCreationArgs.h b/services/surfaceflinger/FrontEnd/LayerCreationArgs.h
index 0788d1a..07a5724 100644
--- a/services/surfaceflinger/FrontEnd/LayerCreationArgs.h
+++ b/services/surfaceflinger/FrontEnd/LayerCreationArgs.h
@@ -61,6 +61,7 @@
ui::LayerStack layerStackToMirror = ui::INVALID_LAYER_STACK;
uint32_t parentId = UNASSIGNED_LAYER_ID;
uint32_t layerIdToMirror = UNASSIGNED_LAYER_ID;
+ std::atomic<int32_t>* pendingBuffers = 0;
};
} // namespace android::surfaceflinger
diff --git a/services/surfaceflinger/FrontEnd/RequestedLayerState.cpp b/services/surfaceflinger/FrontEnd/RequestedLayerState.cpp
index 1eff9d6..713a5c5 100644
--- a/services/surfaceflinger/FrontEnd/RequestedLayerState.cpp
+++ b/services/surfaceflinger/FrontEnd/RequestedLayerState.cpp
@@ -56,7 +56,8 @@
ownerUid(args.ownerUid),
ownerPid(args.ownerPid),
parentId(args.parentId),
- layerIdToMirror(args.layerIdToMirror) {
+ layerIdToMirror(args.layerIdToMirror),
+ pendingBuffers(args.pendingBuffers) {
layerId = static_cast<int32_t>(args.sequence);
changes |= RequestedLayerState::Changes::Created;
metadata.merge(args.metadata);
diff --git a/services/surfaceflinger/FrontEnd/RequestedLayerState.h b/services/surfaceflinger/FrontEnd/RequestedLayerState.h
index 3220e86..7ddd7ba 100644
--- a/services/surfaceflinger/FrontEnd/RequestedLayerState.h
+++ b/services/surfaceflinger/FrontEnd/RequestedLayerState.h
@@ -131,6 +131,7 @@
uint64_t barrierFrameNumber = 0;
uint32_t barrierProducerId = 0;
std::string debugName;
+ std::atomic<int32_t>* pendingBuffers = 0;
// book keeping states
bool handleAlive = true;
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 9289484..c14769e 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -1342,7 +1342,7 @@
}
void Layer::decrementPendingBufferCount() {
- int32_t pendingBuffers = --mPendingBufferTransactions;
+ int32_t pendingBuffers = --mPendingBuffers;
tracePendingBufferCount(pendingBuffers);
}
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index 57093ae..ce4b9c4 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -369,7 +369,7 @@
// See mPendingBufferTransactions
void decrementPendingBufferCount();
- std::atomic<int32_t>* getPendingBufferCounter() { return &mPendingBufferTransactions; }
+ std::atomic<int32_t>* getPendingBufferCounter() { return &mPendingBuffers; }
std::string getPendingBufferCounterName() { return mBlastTransactionName; }
void callReleaseBufferCallback(const sp<ITransactionCompletedListener>& listener,
const sp<GraphicBuffer>& buffer, uint64_t framenumber,
@@ -562,7 +562,7 @@
// - If the integer increases, a buffer arrived at the server.
// - If the integer decreases in latchBuffer, that buffer was latched
// - If the integer decreases in setBuffer, a buffer was dropped
- std::atomic<int32_t> mPendingBufferTransactions{0};
+ std::atomic<int32_t> mPendingBuffers{0};
// Contains requested position and matrix updates. This will be applied if the client does
// not specify a destination frame.
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 5010ba1..0ee7b31 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -5195,6 +5195,7 @@
std::string counterName = layer->getPendingBufferCounterName();
mBufferCountTracker.add(LayerHandle::getLayerId(outResult.handle), counterName,
pendingBufferCounter);
+ args.pendingBuffers = pendingBufferCounter;
}
} break;
default:
diff --git a/services/surfaceflinger/surfaceflinger_flags_new.aconfig b/services/surfaceflinger/surfaceflinger_flags_new.aconfig
index 102e2b6..e40be51 100644
--- a/services/surfaceflinger/surfaceflinger_flags_new.aconfig
+++ b/services/surfaceflinger/surfaceflinger_flags_new.aconfig
@@ -11,6 +11,14 @@
} # adpf_gpu_sf
flag {
+ name: "arr_setframerate_api"
+ namespace: "core_graphics"
+ description: "New setFrameRate API for Android 16"
+ bug: "356987016"
+ is_fixed_read_only: true
+} # arr_setframerate_api
+
+flag {
name: "ce_fence_promise"
namespace: "window_surfaces"
description: "Moves logic for buffer release fences into LayerFE"