Merge "Add remaining hyp events"
diff --git a/PREUPLOAD.cfg b/PREUPLOAD.cfg
index c71c4a0..39eb4ab 100644
--- a/PREUPLOAD.cfg
+++ b/PREUPLOAD.cfg
@@ -14,6 +14,7 @@
                include/powermanager/
                libs/binder/fuzzer/
                libs/binder/
+               libs/binderdebug/
                libs/binderthreadstate/
                libs/graphicsenv/
                libs/gui/
diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index 47a513b..8c77255 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -1252,8 +1252,9 @@
              dumpsys.writeDumpHeader(STDOUT_FILENO, service, priority);
              dumpsys.writeDumpFooter(STDOUT_FILENO, service, std::chrono::milliseconds(1));
         } else {
-            status_t status = dumpsys.startDumpThread(Dumpsys::TYPE_DUMP, service, args);
-            if (status == OK) {
+             status_t status = dumpsys.startDumpThread(Dumpsys::TYPE_DUMP | Dumpsys::TYPE_PID,
+                                                       service, args);
+             if (status == OK) {
                 dumpsys.writeDumpHeader(STDOUT_FILENO, service, priority);
                 std::chrono::duration<double> elapsed_seconds;
                 if (priority == IServiceManager::DUMP_FLAG_PRIORITY_HIGH &&
@@ -1895,6 +1896,9 @@
     }
     ds.AddDir(PREREBOOT_DATA_DIR, false);
     add_mountinfo();
+    for (const char* path : {"/proc/cpuinfo", "/proc/meminfo"}) {
+        ds.AddZipEntry(ZIP_ROOT_DIR + path, path);
+    }
     DumpIpTablesAsRoot();
     DumpDynamicPartitionInfo();
     ds.AddDir(OTA_METADATA_DIR, true);
diff --git a/include/input/Input.h b/include/input/Input.h
index 7ea2970..1eda981 100644
--- a/include/input/Input.h
+++ b/include/input/Input.h
@@ -818,6 +818,8 @@
                                                const PointerCoords&);
     static PointerCoords calculateTransformedCoords(uint32_t source, const ui::Transform&,
                                                     const PointerCoords&);
+    // The rounding precision for transformed motion events.
+    static constexpr float ROUNDING_PRECISION = 0.001f;
 
 protected:
     int32_t mAction;
diff --git a/libs/binder/RecordedTransaction.cpp b/libs/binder/RecordedTransaction.cpp
index 51b97165..ef58ed3 100644
--- a/libs/binder/RecordedTransaction.cpp
+++ b/libs/binder/RecordedTransaction.cpp
@@ -127,8 +127,7 @@
     t.mData.mInterfaceName = std::string(String8(interfaceName).string());
     if (interfaceName.size() != t.mData.mInterfaceName.size()) {
         LOG(ERROR) << "Interface Name is not valid. Contains characters that aren't single byte "
-                      "utf-8: "
-                   << interfaceName;
+                      "utf-8.";
         return std::nullopt;
     }
 
diff --git a/libs/binder/RpcState.cpp b/libs/binder/RpcState.cpp
index 38bd081..ed3ce24 100644
--- a/libs/binder/RpcState.cpp
+++ b/libs/binder/RpcState.cpp
@@ -262,8 +262,10 @@
 }
 
 void RpcState::clear() {
-    RpcMutexUniqueLock _l(mNodeMutex);
+    return clear(RpcMutexUniqueLock(mNodeMutex));
+}
 
+void RpcState::clear(RpcMutexUniqueLock nodeLock) {
     if (mTerminated) {
         LOG_ALWAYS_FATAL_IF(!mNodeForAddress.empty(),
                             "New state should be impossible after terminating!");
@@ -292,7 +294,7 @@
     auto temp = std::move(mNodeForAddress);
     mNodeForAddress.clear(); // RpcState isn't reusable, but for future/explicit
 
-    _l.unlock();
+    nodeLock.unlock();
     temp.clear(); // explicit
 }
 
@@ -704,7 +706,7 @@
     };
 
     {
-        RpcMutexLockGuard _l(mNodeMutex);
+        RpcMutexUniqueLock _l(mNodeMutex);
         if (mTerminated) return DEAD_OBJECT; // avoid fatal only, otherwise races
         auto it = mNodeForAddress.find(addr);
         LOG_ALWAYS_FATAL_IF(it == mNodeForAddress.end(),
@@ -720,8 +722,9 @@
         body.amount = it->second.timesRecd - target;
         it->second.timesRecd = target;
 
-        LOG_ALWAYS_FATAL_IF(nullptr != tryEraseNode(it),
+        LOG_ALWAYS_FATAL_IF(nullptr != tryEraseNode(session, std::move(_l), it),
                             "Bad state. RpcState shouldn't own received binder");
+        // LOCK ALREADY RELEASED
     }
 
     RpcWireHeader cmd = {
@@ -1164,8 +1167,8 @@
                    it->second.timesSent);
 
     it->second.timesSent -= body.amount;
-    sp<IBinder> tempHold = tryEraseNode(it);
-    _l.unlock();
+    sp<IBinder> tempHold = tryEraseNode(session, std::move(_l), it);
+    // LOCK ALREADY RELEASED
     tempHold = nullptr; // destructor may make binder calls on this session
 
     return OK;
@@ -1229,7 +1232,10 @@
     return OK;
 }
 
-sp<IBinder> RpcState::tryEraseNode(std::map<uint64_t, BinderNode>::iterator& it) {
+sp<IBinder> RpcState::tryEraseNode(const sp<RpcSession>& session, RpcMutexUniqueLock nodeLock,
+                                   std::map<uint64_t, BinderNode>::iterator& it) {
+    bool shouldShutdown = false;
+
     sp<IBinder> ref;
 
     if (it->second.timesSent == 0) {
@@ -1239,9 +1245,27 @@
             LOG_ALWAYS_FATAL_IF(!it->second.asyncTodo.empty(),
                                 "Can't delete binder w/ pending async transactions");
             mNodeForAddress.erase(it);
+
+            if (mNodeForAddress.size() == 0) {
+                shouldShutdown = true;
+            }
         }
     }
 
+    // If we shutdown, prevent RpcState from being re-used. This prevents another
+    // thread from getting the root object again.
+    if (shouldShutdown) {
+        clear(std::move(nodeLock));
+    } else {
+        nodeLock.unlock(); // explicit
+    }
+    // LOCK IS RELEASED
+
+    if (shouldShutdown) {
+        ALOGI("RpcState has no binders left, so triggering shutdown...");
+        (void)session->shutdownAndWait(false);
+    }
+
     return ref;
 }
 
diff --git a/libs/binder/RpcState.h b/libs/binder/RpcState.h
index ac86585..0e23ea7 100644
--- a/libs/binder/RpcState.h
+++ b/libs/binder/RpcState.h
@@ -168,6 +168,7 @@
     void clear();
 
 private:
+    void clear(RpcMutexUniqueLock nodeLock);
     void dumpLocked();
 
     // Alternative to std::vector<uint8_t> that doesn't abort on allocation failure and caps
@@ -268,11 +269,20 @@
         std::string toString() const;
     };
 
-    // checks if there is any reference left to a node and erases it. If erase
-    // happens, and there is a strong reference to the binder kept by
-    // binderNode, this returns that strong reference, so that it can be
-    // dropped after any locks are removed.
-    sp<IBinder> tryEraseNode(std::map<uint64_t, BinderNode>::iterator& it);
+    // Checks if there is any reference left to a node and erases it. If this
+    // is the last node, shuts down the session.
+    //
+    // Node lock is passed here for convenience, so that we can release it
+    // and terminate the session, but we could leave it up to the caller
+    // by returning a continuation if we needed to erase multiple specific
+    // nodes. It may be tempting to allow the client to keep on holding the
+    // lock and instead just return whether or not we should shutdown, but
+    // this introduces the posssibility that another thread calls
+    // getRootBinder and thinks it is valid, rather than immediately getting
+    // an error.
+    sp<IBinder> tryEraseNode(const sp<RpcSession>& session, RpcMutexUniqueLock nodeLock,
+                             std::map<uint64_t, BinderNode>::iterator& it);
+
     // true - success
     // false - session shutdown, halt
     [[nodiscard]] bool nodeProgressAsyncNumber(BinderNode* node);
diff --git a/libs/binder/TEST_MAPPING b/libs/binder/TEST_MAPPING
index 1488400..07b38d7 100644
--- a/libs/binder/TEST_MAPPING
+++ b/libs/binder/TEST_MAPPING
@@ -119,5 +119,10 @@
     {
       "name": "memunreachable_binder_test"
     }
+  ],
+  "imports": [
+    {
+      "path": "packages/modules/Virtualization"
+    }
   ]
 }
diff --git a/libs/binder/include/binder/RpcSession.h b/libs/binder/include/binder/RpcSession.h
index 0750ccf..a323feb 100644
--- a/libs/binder/include/binder/RpcSession.h
+++ b/libs/binder/include/binder/RpcSession.h
@@ -51,6 +51,9 @@
  * This represents a session (group of connections) between a client
  * and a server. Multiple connections are needed for multiple parallel "binder"
  * calls which may also have nested calls.
+ *
+ * Once a binder exists in the session, if all references to all binders are dropped,
+ * the session shuts down.
  */
 class RpcSession final : public virtual RefBase {
 public:
diff --git a/libs/binder/rust/src/binder.rs b/libs/binder/rust/src/binder.rs
index 976f54d..d0e35de 100644
--- a/libs/binder/rust/src/binder.rs
+++ b/libs/binder/rust/src/binder.rs
@@ -100,22 +100,17 @@
 /// An interface can promise to be a stable vendor interface ([`Vintf`]), or
 /// makes no stability guarantees ([`Local`]). [`Local`] is
 /// currently the default stability.
-#[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord)]
+#[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Default)]
 pub enum Stability {
     /// Default stability, visible to other modules in the same compilation
     /// context (e.g. modules on system.img)
+    #[default]
     Local,
 
     /// A Vendor Interface Object, which promises to be stable
     Vintf,
 }
 
-impl Default for Stability {
-    fn default() -> Self {
-        Stability::Local
-    }
-}
-
 impl From<Stability> for i32 {
     fn from(stability: Stability) -> i32 {
         use Stability::*;
diff --git a/libs/binder/tests/IBinderRpcTest.aidl b/libs/binder/tests/IBinderRpcTest.aidl
index a3ed571..1164767 100644
--- a/libs/binder/tests/IBinderRpcTest.aidl
+++ b/libs/binder/tests/IBinderRpcTest.aidl
@@ -80,4 +80,8 @@
     // get queued.
     oneway void blockingSendFdOneway(in ParcelFileDescriptor fd);
     ParcelFileDescriptor blockingRecvFd();
+
+    // Same as blockingSendFdOneway, but with integers.
+    oneway void blockingSendIntOneway(int n);
+    int blockingRecvInt();
 }
diff --git a/libs/binder/tests/binderRpcBenchmark.cpp b/libs/binder/tests/binderRpcBenchmark.cpp
index 52ba9b0..5939273 100644
--- a/libs/binder/tests/binderRpcBenchmark.cpp
+++ b/libs/binder/tests/binderRpcBenchmark.cpp
@@ -102,9 +102,11 @@
 }
 
 static sp<RpcSession> gSession = RpcSession::make();
+static sp<IBinder> gRpcBinder;
 // Certificate validation happens during handshake and does not affect the result of benchmarks.
 // Skip certificate validation to simplify the setup process.
 static sp<RpcSession> gSessionTls = RpcSession::make(makeFactoryTls());
+static sp<IBinder> gRpcTlsBinder;
 #ifdef __BIONIC__
 static const String16 kKernelBinderInstance = String16(u"binderRpcBenchmark-control");
 static sp<IBinder> gKernelBinder;
@@ -118,9 +120,9 @@
             return gKernelBinder;
 #endif
         case RPC:
-            return gSession->getRootObject();
+            return gRpcBinder;
         case RPC_TLS:
-            return gSessionTls->getRootObject();
+            return gRpcTlsBinder;
         default:
             LOG(FATAL) << "Unknown transport value: " << transport;
             return nullptr;
@@ -254,11 +256,13 @@
     (void)unlink(addr.c_str());
     forkRpcServer(addr.c_str(), RpcServer::make(RpcTransportCtxFactoryRaw::make()));
     setupClient(gSession, addr.c_str());
+    gRpcBinder = gSession->getRootObject();
 
     std::string tlsAddr = tmp + "/binderRpcTlsBenchmark";
     (void)unlink(tlsAddr.c_str());
     forkRpcServer(tlsAddr.c_str(), RpcServer::make(makeFactoryTls()));
     setupClient(gSessionTls, tlsAddr.c_str());
+    gRpcTlsBinder = gSessionTls->getRootObject();
 
     ::benchmark::RunSpecifiedBenchmarks();
     return 0;
diff --git a/libs/binder/tests/binderRpcTest.cpp b/libs/binder/tests/binderRpcTest.cpp
index 5952c41..efc314b 100644
--- a/libs/binder/tests/binderRpcTest.cpp
+++ b/libs/binder/tests/binderRpcTest.cpp
@@ -163,7 +163,8 @@
             session.root = nullptr;
         }
 
-        for (auto& info : sessions) {
+        for (size_t sessionNum = 0; sessionNum < sessions.size(); sessionNum++) {
+            auto& info = sessions.at(sessionNum);
             sp<RpcSession>& session = info.session;
 
             EXPECT_NE(nullptr, session);
@@ -179,6 +180,7 @@
             for (size_t i = 0; i < 3; i++) {
                 sp<RpcSession> strongSession = weakSession.promote();
                 EXPECT_EQ(nullptr, strongSession)
+                        << "For session " << sessionNum << ". "
                         << (debugBacktrace(host.getPid()), debugBacktrace(getpid()),
                             "Leaked sess: ")
                         << strongSession->getStrongCount() << " checked time " << i;
@@ -254,6 +256,10 @@
         const BinderRpcOptions& options) {
     CHECK_GE(options.numSessions, 1) << "Must have at least one session to a server";
 
+    if (options.numIncomingConnectionsBySession.size() != 0) {
+        CHECK_EQ(options.numIncomingConnectionsBySession.size(), options.numSessions);
+    }
+
     SocketType socketType = std::get<0>(GetParam());
     RpcSecurity rpcSecurity = std::get<1>(GetParam());
     uint32_t clientVersion = std::get<2>(GetParam());
@@ -351,9 +357,15 @@
 
     status_t status;
 
-    for (const auto& session : sessions) {
+    for (size_t i = 0; i < sessions.size(); i++) {
+        const auto& session = sessions.at(i);
+
+        size_t numIncoming = options.numIncomingConnectionsBySession.size() > 0
+                ? options.numIncomingConnectionsBySession.at(i)
+                : 0;
+
         CHECK(session->setProtocolVersion(clientVersion));
-        session->setMaxIncomingThreads(options.numIncomingConnections);
+        session->setMaxIncomingThreads(numIncoming);
         session->setMaxOutgoingConnections(options.numOutgoingConnections);
         session->setFileDescriptorTransportMode(options.clientFileDescriptorTransportMode);
 
@@ -587,30 +599,22 @@
         GTEST_SKIP() << "This test requires multiple threads";
     }
 
-    constexpr size_t kNumSleeps = 10;
+    constexpr size_t kNumQueued = 10;
     constexpr size_t kNumExtraServerThreads = 4;
-    constexpr size_t kSleepMs = 50;
 
     // make sure calls to the same object happen on the same thread
     auto proc = createRpcTestSocketServerProcess({.numThreads = 1 + kNumExtraServerThreads});
 
-    EXPECT_OK(proc.rootIface->lock());
-
-    size_t epochMsBefore = epochMillis();
-
-    // all these *Async commands should be queued on the server sequentially,
+    // all these *Oneway commands should be queued on the server sequentially,
     // even though there are multiple threads.
-    for (size_t i = 0; i + 1 < kNumSleeps; i++) {
-        proc.rootIface->sleepMsAsync(kSleepMs);
+    for (size_t i = 0; i + 1 < kNumQueued; i++) {
+        proc.rootIface->blockingSendIntOneway(i);
     }
-    EXPECT_OK(proc.rootIface->unlockInMsAsync(kSleepMs));
-
-    // this can only return once the final async call has unlocked
-    EXPECT_OK(proc.rootIface->lockUnlock());
-
-    size_t epochMsAfter = epochMillis();
-
-    EXPECT_GE(epochMsAfter, epochMsBefore + kSleepMs * kNumSleeps);
+    for (size_t i = 0; i + 1 < kNumQueued; i++) {
+        int n;
+        proc.rootIface->blockingRecvInt(&n);
+        EXPECT_EQ(n, i);
+    }
 
     saturateThreadPool(1 + kNumExtraServerThreads, proc.rootIface);
 }
@@ -659,6 +663,32 @@
     proc.proc->sessions.erase(proc.proc->sessions.begin() + 1);
 }
 
+TEST_P(BinderRpc, SessionWithIncomingThreadpoolDoesntLeak) {
+    if (clientOrServerSingleThreaded()) {
+        GTEST_SKIP() << "This test requires multiple threads";
+    }
+
+    // session 0 - will check for leaks in destrutor of proc
+    // session 1 - we want to make sure it gets deleted when we drop all references to it
+    auto proc = createRpcTestSocketServerProcess(
+            {.numThreads = 1, .numIncomingConnectionsBySession = {0, 1}, .numSessions = 2});
+
+    wp<RpcSession> session = proc.proc->sessions.at(1).session;
+
+    // remove all references to the second session
+    proc.proc->sessions.at(1).root = nullptr;
+    proc.proc->sessions.erase(proc.proc->sessions.begin() + 1);
+
+    // TODO(b/271830568) more efficient way to wait for other incoming threadpool
+    // to drain commands.
+    for (size_t i = 0; i < 100; i++) {
+        usleep(10 * 1000);
+        if (session.promote() == nullptr) break;
+    }
+
+    EXPECT_EQ(nullptr, session.promote());
+}
+
 TEST_P(BinderRpc, SingleDeathRecipient) {
     if (clientOrServerSingleThreaded()) {
         GTEST_SKIP() << "This test requires multiple threads";
@@ -676,7 +706,7 @@
 
     // Death recipient needs to have an incoming connection to be called
     auto proc = createRpcTestSocketServerProcess(
-            {.numThreads = 1, .numSessions = 1, .numIncomingConnections = 1});
+            {.numThreads = 1, .numSessions = 1, .numIncomingConnectionsBySession = {1}});
 
     auto dr = sp<MyDeathRec>::make();
     ASSERT_EQ(OK, proc.rootBinder->linkToDeath(dr, (void*)1, 0));
@@ -689,6 +719,10 @@
     ASSERT_TRUE(dr->mCv.wait_for(lock, 100ms, [&]() { return dr->dead; }));
 
     // need to wait for the session to shutdown so we don't "Leak session"
+    // can't do this before checking the death recipient by calling
+    // forceShutdown earlier, because shutdownAndWait will also trigger
+    // a death recipient, but if we had a way to wait for the service
+    // to gracefully shutdown, we could use that here.
     EXPECT_TRUE(proc.proc->sessions.at(0).session->shutdownAndWait(true));
     proc.expectAlreadyShutdown = true;
 }
@@ -710,7 +744,7 @@
 
     // Death recipient needs to have an incoming connection to be called
     auto proc = createRpcTestSocketServerProcess(
-            {.numThreads = 1, .numSessions = 1, .numIncomingConnections = 1});
+            {.numThreads = 1, .numSessions = 1, .numIncomingConnectionsBySession = {1}});
 
     auto dr = sp<MyDeathRec>::make();
     EXPECT_EQ(OK, proc.rootBinder->linkToDeath(dr, (void*)1, 0));
@@ -743,8 +777,7 @@
         void binderDied(const wp<IBinder>& /* who */) override {}
     };
 
-    auto proc = createRpcTestSocketServerProcess(
-            {.numThreads = 1, .numSessions = 1, .numIncomingConnections = 0});
+    auto proc = createRpcTestSocketServerProcess({.numThreads = 1, .numSessions = 1});
 
     auto dr = sp<MyDeathRec>::make();
     EXPECT_EQ(INVALID_OPERATION, proc.rootBinder->linkToDeath(dr, (void*)1, 0));
@@ -763,19 +796,13 @@
 
     // Death recipient needs to have an incoming connection to be called
     auto proc = createRpcTestSocketServerProcess(
-            {.numThreads = 1, .numSessions = 1, .numIncomingConnections = 1});
+            {.numThreads = 1, .numSessions = 1, .numIncomingConnectionsBySession = {1}});
 
     auto dr = sp<MyDeathRec>::make();
     ASSERT_EQ(OK, proc.rootBinder->linkToDeath(dr, (void*)1, 0));
     ASSERT_EQ(OK, proc.rootBinder->unlinkToDeath(dr, (void*)1, 0, nullptr));
 
-    if (auto status = proc.rootIface->scheduleShutdown(); !status.isOk()) {
-        EXPECT_EQ(DEAD_OBJECT, status.transactionError()) << status;
-    }
-
-    // need to wait for the session to shutdown so we don't "Leak session"
-    EXPECT_TRUE(proc.proc->sessions.at(0).session->shutdownAndWait(true));
-    proc.expectAlreadyShutdown = true;
+    proc.forceShutdown();
 }
 
 TEST_P(BinderRpc, Die) {
diff --git a/libs/binder/tests/binderRpcTestCommon.h b/libs/binder/tests/binderRpcTestCommon.h
index a467ee3..a9f0df3 100644
--- a/libs/binder/tests/binderRpcTestCommon.h
+++ b/libs/binder/tests/binderRpcTestCommon.h
@@ -126,7 +126,11 @@
 struct BinderRpcOptions {
     size_t numThreads = 1;
     size_t numSessions = 1;
-    size_t numIncomingConnections = 0;
+    // right now, this can be empty, or length numSessions, where each value
+    // represents the info for the corresponding session, but we should
+    // probably switch this to be a list of sessions options so that other
+    // options can all be specified per session
+    std::vector<size_t> numIncomingConnectionsBySession = {};
     size_t numOutgoingConnections = SIZE_MAX;
     RpcSession::FileDescriptorTransportMode clientFileDescriptorTransportMode =
             RpcSession::FileDescriptorTransportMode::NONE;
@@ -445,6 +449,12 @@
     Status blockingRecvFd(android::os::ParcelFileDescriptor* /*fd*/) override {
         return Status::fromStatusT(UNKNOWN_TRANSACTION);
     }
+
+    Status blockingSendIntOneway(int /*n*/) override {
+        return Status::fromStatusT(UNKNOWN_TRANSACTION);
+    }
+
+    Status blockingRecvInt(int* /*n*/) override { return Status::fromStatusT(UNKNOWN_TRANSACTION); }
 };
 
 } // namespace android
diff --git a/libs/binder/tests/binderRpcTestFixture.h b/libs/binder/tests/binderRpcTestFixture.h
index c99d68a..20fb6bf 100644
--- a/libs/binder/tests/binderRpcTestFixture.h
+++ b/libs/binder/tests/binderRpcTestFixture.h
@@ -64,6 +64,21 @@
     // whether session should be invalidated by end of run
     bool expectAlreadyShutdown = false;
 
+    // TODO(b/271830568): fix this in binderRpcTest, we always use the first session to cause the
+    // remote process to shutdown. Normally, when we shutdown, the default in the destructor is to
+    // check that there are no leaks and shutdown. However, when there are incoming threadpools,
+    // there will be a few extra binder threads there, so we can't shutdown the server. We should
+    // consider an alternative way of doing the test so that we don't need this, some ideas, such as
+    // program in understanding of incoming threadpool into the destructor so that (e.g.
+    // intelligently wait for sessions to shutdown now that they will do this)
+    void forceShutdown() {
+        if (auto status = rootIface->scheduleShutdown(); !status.isOk()) {
+            EXPECT_EQ(DEAD_OBJECT, status.transactionError()) << status;
+        }
+        EXPECT_TRUE(proc->sessions.at(0).session->shutdownAndWait(true));
+        expectAlreadyShutdown = true;
+    }
+
     BinderRpcTestProcessSession(BinderRpcTestProcessSession&&) = default;
     ~BinderRpcTestProcessSession() {
         if (!expectAlreadyShutdown) {
diff --git a/libs/binder/tests/binderRpcTestService.cpp b/libs/binder/tests/binderRpcTestService.cpp
index a27bd2f..ca5a117 100644
--- a/libs/binder/tests/binderRpcTestService.cpp
+++ b/libs/binder/tests/binderRpcTestService.cpp
@@ -83,6 +83,18 @@
         fd->reset(mFdChannel.read());
         return Status::ok();
     }
+
+    HandoffChannel<int> mIntChannel;
+
+    Status blockingSendIntOneway(int n) override {
+        mIntChannel.write(n);
+        return Status::ok();
+    }
+
+    Status blockingRecvInt(int* n) override {
+        *n = mIntChannel.read();
+        return Status::ok();
+    }
 };
 
 int main(int argc, char* argv[]) {
diff --git a/libs/binder/tests/binderRpcTestTrusty.cpp b/libs/binder/tests/binderRpcTestTrusty.cpp
index 63b56a3..85794bd 100644
--- a/libs/binder/tests/binderRpcTestTrusty.cpp
+++ b/libs/binder/tests/binderRpcTestTrusty.cpp
@@ -60,9 +60,9 @@
 // threads.
 std::unique_ptr<ProcessSession> BinderRpc::createRpcTestSocketServerProcessEtc(
         const BinderRpcOptions& options) {
-    LOG_ALWAYS_FATAL_IF(options.numIncomingConnections != 0,
+    LOG_ALWAYS_FATAL_IF(options.numIncomingConnectionsBySession.size() != 0,
                         "Non-zero incoming connections %zu on Trusty",
-                        options.numIncomingConnections);
+                        options.numIncomingConnectionsBySession.size());
 
     uint32_t clientVersion = std::get<2>(GetParam());
     uint32_t serverVersion = std::get<3>(GetParam());
diff --git a/libs/binder/tests/binderRpcUniversalTests.cpp b/libs/binder/tests/binderRpcUniversalTests.cpp
index 11a22b0..1f46010 100644
--- a/libs/binder/tests/binderRpcUniversalTests.cpp
+++ b/libs/binder/tests/binderRpcUniversalTests.cpp
@@ -463,7 +463,7 @@
                 auto proc = createRpcTestSocketServerProcess(
                         {.numThreads = 1,
                          .numSessions = 1,
-                         .numIncomingConnections = numIncomingConnections});
+                         .numIncomingConnectionsBySession = {numIncomingConnections}});
                 auto cb = sp<MyBinderRpcCallback>::make();
 
                 if (callIsOneway) {
@@ -491,16 +491,7 @@
                         << "callIsOneway: " << callIsOneway
                         << " callbackIsOneway: " << callbackIsOneway << " delayed: " << delayed;
 
-                // since we are severing the connection, we need to go ahead and
-                // tell the server to shutdown and exit so that waitpid won't hang
-                if (auto status = proc.rootIface->scheduleShutdown(); !status.isOk()) {
-                    EXPECT_EQ(DEAD_OBJECT, status.transactionError()) << status;
-                }
-
-                // since this session has an incoming connection w/ a threadpool, we
-                // need to manually shut it down
-                EXPECT_TRUE(proc.proc->sessions.at(0).session->shutdownAndWait(true));
-                proc.expectAlreadyShutdown = true;
+                proc.forceShutdown();
             }
         }
     }
diff --git a/libs/binderdebug/Android.bp b/libs/binderdebug/Android.bp
index 3eeaf3e..1454727 100644
--- a/libs/binderdebug/Android.bp
+++ b/libs/binderdebug/Android.bp
@@ -21,6 +21,17 @@
     default_applicable_licenses: ["frameworks_native_license"],
 }
 
+cc_benchmark {
+    name: "binder_thread_stats",
+    shared_libs: [
+        "libutils",
+        "libbinder",
+        "libbase",
+    ],
+    static_libs: ["libbinderdebug"],
+    srcs: ["stats.cpp"],
+}
+
 cc_library {
     name: "libbinderdebug",
     vendor_available: true,
diff --git a/libs/binderdebug/stats.cpp b/libs/binderdebug/stats.cpp
new file mode 100644
index 0000000..9c26afa
--- /dev/null
+++ b/libs/binderdebug/stats.cpp
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <android-base/logging.h>
+#include <binder/BpBinder.h>
+#include <binder/IServiceManager.h>
+#include <binderdebug/BinderDebug.h>
+#include <utils/Errors.h>
+
+#include <inttypes.h>
+
+namespace android {
+
+extern "C" int main() {
+    // ignore args - we only print csv
+
+    // we should use a csv library here for escaping, because
+    // the name is coming from another process
+    printf("name,binder_threads_in_use,binder_threads_started,client_count\n");
+
+    for (const String16& name : defaultServiceManager()->listServices()) {
+        sp<IBinder> binder = defaultServiceManager()->checkService(name);
+        if (binder == nullptr) {
+            fprintf(stderr, "%s is null", String8(name).c_str());
+            continue;
+        }
+
+        BpBinder* remote = binder->remoteBinder();
+        const auto handle = remote->getDebugBinderHandle();
+        CHECK(handle != std::nullopt);
+
+        pid_t pid;
+        CHECK_EQ(OK, binder->getDebugPid(&pid));
+
+        BinderPidInfo info;
+        CHECK_EQ(OK, getBinderPidInfo(BinderDebugContext::BINDER, pid, &info));
+
+        std::vector<pid_t> clientPids;
+        CHECK_EQ(OK,
+                 getBinderClientPids(BinderDebugContext::BINDER, getpid(), pid, *handle,
+                                     &clientPids));
+
+        printf("%s,%" PRIu32 ",%" PRIu32 ",%zu\n", String8(name).c_str(), info.threadUsage,
+               info.threadCount, clientPids.size());
+    }
+    return 0;
+}
+
+} // namespace android
diff --git a/libs/ftl/Android.bp b/libs/ftl/Android.bp
index c010a2e..09422d3 100644
--- a/libs/ftl/Android.bp
+++ b/libs/ftl/Android.bp
@@ -10,9 +10,6 @@
 cc_test {
     name: "ftl_test",
     test_suites: ["device-tests"],
-    sanitize: {
-        address: true,
-    },
     srcs: [
         "cast_test.cpp",
         "concat_test.cpp",
diff --git a/libs/ftl/TEST_MAPPING b/libs/ftl/TEST_MAPPING
new file mode 100644
index 0000000..ec0c671
--- /dev/null
+++ b/libs/ftl/TEST_MAPPING
@@ -0,0 +1,12 @@
+{
+  "presubmit": [
+    {
+      "name": "ftl_test"
+    }
+  ],
+  "hwasan-presubmit": [
+    {
+      "name": "ftl_test"
+    }
+  ]
+}
diff --git a/libs/gui/BLASTBufferQueue.cpp b/libs/gui/BLASTBufferQueue.cpp
index 1242ac8..0e3fd4f 100644
--- a/libs/gui/BLASTBufferQueue.cpp
+++ b/libs/gui/BLASTBufferQueue.cpp
@@ -132,6 +132,11 @@
     }
 }
 
+void BLASTBufferItemConsumer::resizeFrameEventHistory(size_t newSize) {
+    Mutex::Autolock lock(mMutex);
+    mFrameEventHistory.resize(newSize);
+}
+
 BLASTBufferQueue::BLASTBufferQueue(const std::string& name, bool updateDestinationFrame)
       : mSurfaceControl(nullptr),
         mSize(1, 1),
@@ -1031,8 +1036,9 @@
 // can be non-blocking when the producer is in the client process.
 class BBQBufferQueueProducer : public BufferQueueProducer {
 public:
-    BBQBufferQueueProducer(const sp<BufferQueueCore>& core)
-          : BufferQueueProducer(core, false /* consumerIsSurfaceFlinger*/) {}
+    BBQBufferQueueProducer(const sp<BufferQueueCore>& core, wp<BLASTBufferQueue> bbq)
+          : BufferQueueProducer(core, false /* consumerIsSurfaceFlinger*/),
+            mBLASTBufferQueue(std::move(bbq)) {}
 
     status_t connect(const sp<IProducerListener>& listener, int api, bool producerControlledByApp,
                      QueueBufferOutput* output) override {
@@ -1044,6 +1050,26 @@
                                             producerControlledByApp, output);
     }
 
+    // We want to resize the frame history when changing the size of the buffer queue
+    status_t setMaxDequeuedBufferCount(int maxDequeuedBufferCount) override {
+        int maxBufferCount;
+        status_t status = BufferQueueProducer::setMaxDequeuedBufferCount(maxDequeuedBufferCount,
+                                                                         &maxBufferCount);
+        // if we can't determine the max buffer count, then just skip growing the history size
+        if (status == OK) {
+            size_t newFrameHistorySize = maxBufferCount + 2; // +2 because triple buffer rendering
+            // optimize away resizing the frame history unless it will grow
+            if (newFrameHistorySize > FrameEventHistory::INITIAL_MAX_FRAME_HISTORY) {
+                sp<BLASTBufferQueue> bbq = mBLASTBufferQueue.promote();
+                if (bbq != nullptr) {
+                    ALOGV("increasing frame history size to %zu", newFrameHistorySize);
+                    bbq->resizeFrameEventHistory(newFrameHistorySize);
+                }
+            }
+        }
+        return status;
+    }
+
     int query(int what, int* value) override {
         if (what == NATIVE_WINDOW_QUEUES_TO_WINDOW_COMPOSER) {
             *value = 1;
@@ -1051,6 +1077,9 @@
         }
         return BufferQueueProducer::query(what, value);
     }
+
+private:
+    const wp<BLASTBufferQueue> mBLASTBufferQueue;
 };
 
 // Similar to BufferQueue::createBufferQueue but creates an adapter specific bufferqueue producer.
@@ -1065,7 +1094,7 @@
     sp<BufferQueueCore> core(new BufferQueueCore());
     LOG_ALWAYS_FATAL_IF(core == nullptr, "BLASTBufferQueue: failed to create BufferQueueCore");
 
-    sp<IGraphicBufferProducer> producer(new BBQBufferQueueProducer(core));
+    sp<IGraphicBufferProducer> producer(new BBQBufferQueueProducer(core, this));
     LOG_ALWAYS_FATAL_IF(producer == nullptr,
                         "BLASTBufferQueue: failed to create BBQBufferQueueProducer");
 
@@ -1078,6 +1107,16 @@
     *outConsumer = consumer;
 }
 
+void BLASTBufferQueue::resizeFrameEventHistory(size_t newSize) {
+    // This can be null during creation of the buffer queue, but resizing won't do anything at that
+    // point in time, so just ignore. This can go away once the class relationships and lifetimes of
+    // objects are cleaned up with a major refactor of BufferQueue as a whole.
+    if (mBufferItemConsumer != nullptr) {
+        std::unique_lock _lock{mMutex};
+        mBufferItemConsumer->resizeFrameEventHistory(newSize);
+    }
+}
+
 PixelFormat BLASTBufferQueue::convertBufferFormat(PixelFormat& format) {
     PixelFormat convertedFormat = format;
     switch (format) {
diff --git a/libs/gui/BufferQueueProducer.cpp b/libs/gui/BufferQueueProducer.cpp
index 5fe5e71..9eb1a9f 100644
--- a/libs/gui/BufferQueueProducer.cpp
+++ b/libs/gui/BufferQueueProducer.cpp
@@ -119,6 +119,12 @@
 
 status_t BufferQueueProducer::setMaxDequeuedBufferCount(
         int maxDequeuedBuffers) {
+    int maxBufferCount;
+    return setMaxDequeuedBufferCount(maxDequeuedBuffers, &maxBufferCount);
+}
+
+status_t BufferQueueProducer::setMaxDequeuedBufferCount(int maxDequeuedBuffers,
+                                                        int* maxBufferCount) {
     ATRACE_CALL();
     BQ_LOGV("setMaxDequeuedBufferCount: maxDequeuedBuffers = %d",
             maxDequeuedBuffers);
@@ -134,6 +140,8 @@
             return NO_INIT;
         }
 
+        *maxBufferCount = mCore->getMaxBufferCountLocked();
+
         if (maxDequeuedBuffers == mCore->mMaxDequeuedBufferCount) {
             return NO_ERROR;
         }
@@ -183,6 +191,7 @@
             return BAD_VALUE;
         }
         mCore->mMaxDequeuedBufferCount = maxDequeuedBuffers;
+        *maxBufferCount = mCore->getMaxBufferCountLocked();
         VALIDATE_CONSISTENCY();
         if (delta < 0) {
             listener = mCore->mConsumerListener;
diff --git a/libs/gui/FrameTimestamps.cpp b/libs/gui/FrameTimestamps.cpp
index e2ea3f9..f3eb4e8 100644
--- a/libs/gui/FrameTimestamps.cpp
+++ b/libs/gui/FrameTimestamps.cpp
@@ -168,10 +168,11 @@
 
 }  // namespace
 
-const size_t FrameEventHistory::MAX_FRAME_HISTORY =
+const size_t FrameEventHistory::INITIAL_MAX_FRAME_HISTORY =
         sysprop::LibGuiProperties::frame_event_history_size().value_or(8);
 
-FrameEventHistory::FrameEventHistory() : mFrames(std::vector<FrameEvents>(MAX_FRAME_HISTORY)) {}
+FrameEventHistory::FrameEventHistory()
+      : mFrames(std::vector<FrameEvents>(INITIAL_MAX_FRAME_HISTORY)) {}
 
 FrameEventHistory::~FrameEventHistory() = default;
 
@@ -227,7 +228,6 @@
     }
 }
 
-
 // ============================================================================
 // ProducerFrameEventHistory
 // ============================================================================
@@ -273,6 +273,13 @@
         const FrameEventHistoryDelta& delta) {
     mCompositorTiming = delta.mCompositorTiming;
 
+    // Deltas should have enough reserved capacity for the consumer-side, therefore if there's a
+    // different capacity, we re-sized on the consumer side and now need to resize on the producer
+    // side.
+    if (delta.mDeltas.capacity() > mFrames.capacity()) {
+        resize(delta.mDeltas.capacity());
+    }
+
     for (auto& d : delta.mDeltas) {
         // Avoid out-of-bounds access.
         if (CC_UNLIKELY(d.mIndex >= mFrames.size())) {
@@ -349,13 +356,48 @@
     return std::make_shared<FenceTime>(fence);
 }
 
+void ProducerFrameEventHistory::resize(size_t newSize) {
+    // we don't want to drop events by resizing too small, so don't resize in the negative direction
+    if (newSize <= mFrames.size()) {
+        return;
+    }
+
+    // This algorithm for resizing needs to be the same as ConsumerFrameEventHistory::resize,
+    // because the indexes need to match when communicating the FrameEventDeltas.
+
+    // We need to find the oldest frame, because that frame needs to move to index 0 in the new
+    // frame history.
+    size_t oldestFrameIndex = 0;
+    size_t oldestFrameNumber = INT32_MAX;
+    for (size_t i = 0; i < mFrames.size(); ++i) {
+        if (mFrames[i].frameNumber < oldestFrameNumber && mFrames[i].valid) {
+            oldestFrameNumber = mFrames[i].frameNumber;
+            oldestFrameIndex = i;
+        }
+    }
+
+    // move the existing frame information into a new vector, so that the oldest frames are at
+    // index 0, and the latest frames are at the end of the vector
+    std::vector<FrameEvents> newFrames(newSize);
+    size_t oldI = oldestFrameIndex;
+    size_t newI = 0;
+    do {
+        if (mFrames[oldI].valid) {
+            newFrames[newI++] = std::move(mFrames[oldI]);
+        }
+        oldI = (oldI + 1) % mFrames.size();
+    } while (oldI != oldestFrameIndex);
+
+    mFrames = std::move(newFrames);
+    mAcquireOffset = 0; // this is just a hint, so setting this to anything is fine
+}
 
 // ============================================================================
 // ConsumerFrameEventHistory
 // ============================================================================
 
 ConsumerFrameEventHistory::ConsumerFrameEventHistory()
-      : mFramesDirty(std::vector<FrameEventDirtyFields>(MAX_FRAME_HISTORY)) {}
+      : mFramesDirty(std::vector<FrameEventDirtyFields>(INITIAL_MAX_FRAME_HISTORY)) {}
 
 ConsumerFrameEventHistory::~ConsumerFrameEventHistory() = default;
 
@@ -489,6 +531,36 @@
     }
 }
 
+void ConsumerFrameEventHistory::resize(size_t newSize) {
+    // we don't want to drop events by resizing too small, so don't resize in the negative direction
+    if (newSize <= mFrames.size()) {
+        return;
+    }
+
+    // This algorithm for resizing needs to be the same as ProducerFrameEventHistory::resize,
+    // because the indexes need to match when communicating the FrameEventDeltas.
+
+    // move the existing frame information into a new vector, so that the oldest frames are at
+    // index 0, and the latest frames are towards the end of the vector
+    std::vector<FrameEvents> newFrames(newSize);
+    std::vector<FrameEventDirtyFields> newFramesDirty(newSize);
+    size_t oldestFrameIndex = mQueueOffset;
+    size_t oldI = oldestFrameIndex;
+    size_t newI = 0;
+    do {
+        if (mFrames[oldI].valid) {
+            newFrames[newI] = std::move(mFrames[oldI]);
+            newFramesDirty[newI] = mFramesDirty[oldI];
+            newI += 1;
+        }
+        oldI = (oldI + 1) % mFrames.size();
+    } while (oldI != oldestFrameIndex);
+
+    mFrames = std::move(newFrames);
+    mFramesDirty = std::move(newFramesDirty);
+    mQueueOffset = newI;
+    mCompositionOffset = 0; // this is just a hint, so setting this to anything is fine
+}
 
 // ============================================================================
 // FrameEventsDelta
@@ -558,8 +630,7 @@
         return NO_MEMORY;
     }
 
-    if (mIndex >= FrameEventHistory::MAX_FRAME_HISTORY ||
-            mIndex > std::numeric_limits<uint16_t>::max()) {
+    if (mIndex >= UINT8_MAX || mIndex < 0) {
         return BAD_VALUE;
     }
 
@@ -601,7 +672,7 @@
     uint16_t temp16 = 0;
     FlattenableUtils::read(buffer, size, temp16);
     mIndex = temp16;
-    if (mIndex >= FrameEventHistory::MAX_FRAME_HISTORY) {
+    if (mIndex >= UINT8_MAX) {
         return BAD_VALUE;
     }
     uint8_t temp8 = 0;
@@ -627,6 +698,25 @@
     return NO_ERROR;
 }
 
+uint64_t FrameEventsDelta::getFrameNumber() const {
+    return mFrameNumber;
+}
+
+bool FrameEventsDelta::getLatchTime(nsecs_t* latchTime) const {
+    if (mLatchTime == FrameEvents::TIMESTAMP_PENDING) {
+        return false;
+    }
+    *latchTime = mLatchTime;
+    return true;
+}
+
+bool FrameEventsDelta::getDisplayPresentFence(sp<Fence>* fence) const {
+    if (mDisplayPresentFence.fence == Fence::NO_FENCE) {
+        return false;
+    }
+    *fence = mDisplayPresentFence.fence;
+    return true;
+}
 
 // ============================================================================
 // FrameEventHistoryDelta
@@ -665,7 +755,7 @@
 
 status_t FrameEventHistoryDelta::flatten(
             void*& buffer, size_t& size, int*& fds, size_t& count) const {
-    if (mDeltas.size() > FrameEventHistory::MAX_FRAME_HISTORY) {
+    if (mDeltas.size() > UINT8_MAX) {
         return BAD_VALUE;
     }
     if (size < getFlattenedSize()) {
@@ -695,7 +785,7 @@
 
     uint32_t deltaCount = 0;
     FlattenableUtils::read(buffer, size, deltaCount);
-    if (deltaCount > FrameEventHistory::MAX_FRAME_HISTORY) {
+    if (deltaCount > UINT8_MAX) {
         return BAD_VALUE;
     }
     mDeltas.resize(deltaCount);
@@ -708,5 +798,12 @@
     return NO_ERROR;
 }
 
+std::vector<FrameEventsDelta>::const_iterator FrameEventHistoryDelta::begin() const {
+    return mDeltas.begin();
+}
+
+std::vector<FrameEventsDelta>::const_iterator FrameEventHistoryDelta::end() const {
+    return mDeltas.end();
+}
 
 } // namespace android
diff --git a/libs/gui/bufferqueue/1.0/Conversion.cpp b/libs/gui/bufferqueue/1.0/Conversion.cpp
index 55462c3..9667954 100644
--- a/libs/gui/bufferqueue/1.0/Conversion.cpp
+++ b/libs/gui/bufferqueue/1.0/Conversion.cpp
@@ -725,12 +725,7 @@
     // These were written as uint8_t for alignment.
     uint8_t temp = 0;
     FlattenableUtils::read(buffer, size, temp);
-    size_t index = static_cast<size_t>(temp);
-    if (index >= ::android::FrameEventHistory::MAX_FRAME_HISTORY) {
-        return BAD_VALUE;
-    }
-    t->index = static_cast<uint32_t>(index);
-
+    t->index = static_cast<uint32_t>(temp);
     FlattenableUtils::read(buffer, size, temp);
     t->addPostCompositeCalled = static_cast<bool>(temp);
     FlattenableUtils::read(buffer, size, temp);
@@ -786,8 +781,7 @@
 status_t flatten(HGraphicBufferProducer::FrameEventsDelta const& t,
         void*& buffer, size_t& size, int*& fds, size_t numFds) {
     // Check that t.index is within a valid range.
-    if (t.index >= static_cast<uint32_t>(FrameEventHistory::MAX_FRAME_HISTORY)
-            || t.index > std::numeric_limits<uint8_t>::max()) {
+    if (t.index > UINT8_MAX || t.index < 0) {
         return BAD_VALUE;
     }
 
@@ -887,8 +881,7 @@
 
     uint32_t deltaCount = 0;
     FlattenableUtils::read(buffer, size, deltaCount);
-    if (static_cast<size_t>(deltaCount) >
-            ::android::FrameEventHistory::MAX_FRAME_HISTORY) {
+    if (deltaCount > UINT8_MAX) {
         return BAD_VALUE;
     }
     t->deltas.resize(deltaCount);
@@ -919,7 +912,7 @@
 status_t flatten(
         HGraphicBufferProducer::FrameEventHistoryDelta const& t,
         void*& buffer, size_t& size, int*& fds, size_t& numFds) {
-    if (t.deltas.size() > ::android::FrameEventHistory::MAX_FRAME_HISTORY) {
+    if (t.deltas.size() > UINT8_MAX) {
         return BAD_VALUE;
     }
     if (size < getFlattenedSize(t)) {
diff --git a/libs/gui/bufferqueue/1.0/H2BGraphicBufferProducer.cpp b/libs/gui/bufferqueue/1.0/H2BGraphicBufferProducer.cpp
index cee1b81..f684874 100644
--- a/libs/gui/bufferqueue/1.0/H2BGraphicBufferProducer.cpp
+++ b/libs/gui/bufferqueue/1.0/H2BGraphicBufferProducer.cpp
@@ -725,8 +725,7 @@
         std::vector<native_handle_t*>* nh,
         void*& buffer, size_t& size, int*& fds, size_t numFds) {
     // Check that t.index is within a valid range.
-    if (t.index >= static_cast<uint32_t>(FrameEventHistory::MAX_FRAME_HISTORY)
-            || t.index > std::numeric_limits<uint8_t>::max()) {
+    if (t.index > UINT8_MAX || t.index < 0) {
         return BAD_VALUE;
     }
 
@@ -829,7 +828,7 @@
         HGraphicBufferProducer::FrameEventHistoryDelta const& t,
         std::vector<std::vector<native_handle_t*> >* nh,
         void*& buffer, size_t& size, int*& fds, size_t& numFds) {
-    if (t.deltas.size() > ::android::FrameEventHistory::MAX_FRAME_HISTORY) {
+    if (t.deltas.size() > UINT8_MAX) {
         return BAD_VALUE;
     }
     if (size < getFlattenedSize(t)) {
diff --git a/libs/gui/include/gui/BLASTBufferQueue.h b/libs/gui/include/gui/BLASTBufferQueue.h
index f5898d2..3ae001f 100644
--- a/libs/gui/include/gui/BLASTBufferQueue.h
+++ b/libs/gui/include/gui/BLASTBufferQueue.h
@@ -54,6 +54,8 @@
                                nsecs_t dequeueReadyTime) REQUIRES(mMutex);
     void getConnectionEvents(uint64_t frameNumber, bool* needsDisconnect);
 
+    void resizeFrameEventHistory(size_t newSize);
+
 protected:
     void onSidebandStreamChanged() override REQUIRES(mMutex);
 
@@ -128,6 +130,7 @@
 
 private:
     friend class BLASTBufferQueueHelper;
+    friend class BBQBufferQueueProducer;
 
     // can't be copied
     BLASTBufferQueue& operator = (const BLASTBufferQueue& rhs);
@@ -135,6 +138,8 @@
     void createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
                            sp<IGraphicBufferConsumer>* outConsumer);
 
+    void resizeFrameEventHistory(size_t newSize);
+
     void acquireNextBufferLocked(
             const std::optional<SurfaceComposerClient::Transaction*> transaction) REQUIRES(mMutex);
     Rect computeCrop(const BufferItem& item) REQUIRES(mMutex);
diff --git a/libs/gui/include/gui/BufferQueueProducer.h b/libs/gui/include/gui/BufferQueueProducer.h
index 0ad3075..1d13dab 100644
--- a/libs/gui/include/gui/BufferQueueProducer.h
+++ b/libs/gui/include/gui/BufferQueueProducer.h
@@ -202,6 +202,11 @@
     // See IGraphicBufferProducer::setAutoPrerotation
     virtual status_t setAutoPrerotation(bool autoPrerotation);
 
+protected:
+    // see IGraphicsBufferProducer::setMaxDequeuedBufferCount, but with the ability to retrieve the
+    // total maximum buffer count for the buffer queue (dequeued AND acquired)
+    status_t setMaxDequeuedBufferCount(int maxDequeuedBuffers, int* maxBufferCount);
+
 private:
     // This is required by the IBinder::DeathRecipient interface
     virtual void binderDied(const wp<IBinder>& who);
diff --git a/libs/gui/include/gui/FrameTimestamps.h b/libs/gui/include/gui/FrameTimestamps.h
index dd3de58..968aa2b 100644
--- a/libs/gui/include/gui/FrameTimestamps.h
+++ b/libs/gui/include/gui/FrameTimestamps.h
@@ -114,9 +114,11 @@
     void checkFencesForCompletion();
     void dump(std::string& outString) const;
 
-    static const size_t MAX_FRAME_HISTORY;
+    static const size_t INITIAL_MAX_FRAME_HISTORY;
 
 protected:
+    void resize(size_t newSize);
+
     std::vector<FrameEvents> mFrames;
 
     CompositorTiming mCompositorTiming;
@@ -155,6 +157,8 @@
     virtual std::shared_ptr<FenceTime> createFenceTime(
             const sp<Fence>& fence) const;
 
+    void resize(size_t newSize);
+
     size_t mAcquireOffset{0};
 
     // The consumer updates it's timelines in Layer and SurfaceFlinger since
@@ -225,6 +229,8 @@
 
     void getAndResetDelta(FrameEventHistoryDelta* delta);
 
+    void resize(size_t newSize);
+
 private:
     void getFrameDelta(FrameEventHistoryDelta* delta,
                        const std::vector<FrameEvents>::iterator& frame);
@@ -267,6 +273,10 @@
     status_t unflatten(void const*& buffer, size_t& size, int const*& fds,
             size_t& count);
 
+    uint64_t getFrameNumber() const;
+    bool getLatchTime(nsecs_t* latchTime) const;
+    bool getDisplayPresentFence(sp<Fence>* fence) const;
+
 private:
     static constexpr size_t minFlattenedSize();
 
@@ -327,6 +337,9 @@
     status_t unflatten(void const*& buffer, size_t& size, int const*& fds,
             size_t& count);
 
+    std::vector<FrameEventsDelta>::const_iterator begin() const;
+    std::vector<FrameEventsDelta>::const_iterator end() const;
+
 private:
     static constexpr size_t minFlattenedSize();
 
diff --git a/libs/input/Input.cpp b/libs/input/Input.cpp
index 2b7483d..2581668 100644
--- a/libs/input/Input.cpp
+++ b/libs/input/Input.cpp
@@ -137,10 +137,23 @@
 
 // --- InputEvent ---
 
+// Due to precision limitations when working with floating points, transforming - namely
+// scaling - floating points can lead to minute errors. We round transformed values to approximately
+// three decimal places so that values like 0.99997 show up as 1.0.
+inline float roundTransformedCoords(float val) {
+    // Use a power to two to approximate three decimal places to potentially reduce some cycles.
+    // This should be at least as precise as MotionEvent::ROUNDING_PRECISION.
+    return std::round(val * 1024.f) / 1024.f;
+}
+
+inline vec2 roundTransformedCoords(vec2 p) {
+    return {roundTransformedCoords(p.x), roundTransformedCoords(p.y)};
+}
+
 vec2 transformWithoutTranslation(const ui::Transform& transform, const vec2& xy) {
     const vec2 transformedXy = transform.transform(xy);
     const vec2 transformedOrigin = transform.transform(0, 0);
-    return transformedXy - transformedOrigin;
+    return roundTransformedCoords(transformedXy - transformedOrigin);
 }
 
 const char* inputEventTypeToString(int32_t type) {
@@ -548,12 +561,12 @@
 
 float MotionEvent::getXCursorPosition() const {
     vec2 vals = mTransform.transform(getRawXCursorPosition(), getRawYCursorPosition());
-    return vals.x;
+    return roundTransformedCoords(vals.x);
 }
 
 float MotionEvent::getYCursorPosition() const {
     vec2 vals = mTransform.transform(getRawXCursorPosition(), getRawYCursorPosition());
-    return vals.y;
+    return roundTransformedCoords(vals.y);
 }
 
 void MotionEvent::setCursorPosition(float x, float y) {
@@ -875,7 +888,7 @@
 static inline vec2 calculateTransformedXYUnchecked(uint32_t source, const ui::Transform& transform,
                                                    const vec2& xy) {
     return shouldDisregardOffset(source) ? transformWithoutTranslation(transform, xy)
-                                         : transform.transform(xy);
+                                         : roundTransformedCoords(transform.transform(xy));
 }
 
 vec2 MotionEvent::calculateTransformedXY(uint32_t source, const ui::Transform& transform,
diff --git a/libs/input/tests/InputEvent_test.cpp b/libs/input/tests/InputEvent_test.cpp
index 4b31246..597b389 100644
--- a/libs/input/tests/InputEvent_test.cpp
+++ b/libs/input/tests/InputEvent_test.cpp
@@ -29,6 +29,8 @@
 // Default display id.
 static constexpr int32_t DISPLAY_ID = ADISPLAY_ID_DEFAULT;
 
+static constexpr float EPSILON = MotionEvent::ROUNDING_PRECISION;
+
 class BaseTest : public testing::Test {
 protected:
     static constexpr std::array<uint8_t, 32> HMAC = {0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  10,
@@ -231,95 +233,107 @@
     static constexpr float RAW_X_OFFSET = 12;
     static constexpr float RAW_Y_OFFSET = -41.1;
 
+    void SetUp() override;
+
     int32_t mId;
     ui::Transform mTransform;
     ui::Transform mRawTransform;
+    PointerProperties mPointerProperties[2];
+    struct Sample {
+        PointerCoords pointerCoords[2];
+    };
+    std::array<Sample, 3> mSamples{};
 
     void initializeEventWithHistory(MotionEvent* event);
     void assertEqualsEventWithHistory(const MotionEvent* event);
 };
 
-void MotionEventTest::initializeEventWithHistory(MotionEvent* event) {
+void MotionEventTest::SetUp() {
     mId = InputEvent::nextId();
     mTransform.set({X_SCALE, 0, X_OFFSET, 0, Y_SCALE, Y_OFFSET, 0, 0, 1});
     mRawTransform.set({RAW_X_SCALE, 0, RAW_X_OFFSET, 0, RAW_Y_SCALE, RAW_Y_OFFSET, 0, 0, 1});
 
-    PointerProperties pointerProperties[2];
-    pointerProperties[0].clear();
-    pointerProperties[0].id = 1;
-    pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
-    pointerProperties[1].clear();
-    pointerProperties[1].id = 2;
-    pointerProperties[1].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
+    mPointerProperties[0].clear();
+    mPointerProperties[0].id = 1;
+    mPointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
+    mPointerProperties[1].clear();
+    mPointerProperties[1].id = 2;
+    mPointerProperties[1].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
 
-    PointerCoords pointerCoords[2];
-    pointerCoords[0].clear();
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, 10);
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, 11);
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 12);
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_SIZE, 13);
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 14);
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 15);
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 16);
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 17);
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 18);
-    pointerCoords[1].clear();
-    pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_X, 20);
-    pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_Y, 21);
-    pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 22);
-    pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_SIZE, 23);
-    pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 24);
-    pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 25);
-    pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 26);
-    pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 27);
-    pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 28);
+    mSamples[0].pointerCoords[0].clear();
+    mSamples[0].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, 10);
+    mSamples[0].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, 11);
+    mSamples[0].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 12);
+    mSamples[0].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_SIZE, 13);
+    mSamples[0].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 14);
+    mSamples[0].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 15);
+    mSamples[0].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 16);
+    mSamples[0].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 17);
+    mSamples[0].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 18);
+    mSamples[0].pointerCoords[1].clear();
+    mSamples[0].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_X, 20);
+    mSamples[0].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_Y, 21);
+    mSamples[0].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 22);
+    mSamples[0].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_SIZE, 23);
+    mSamples[0].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 24);
+    mSamples[0].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 25);
+    mSamples[0].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 26);
+    mSamples[0].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 27);
+    mSamples[0].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 28);
+
+    mSamples[1].pointerCoords[0].clear();
+    mSamples[1].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, 110);
+    mSamples[1].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, 111);
+    mSamples[1].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 112);
+    mSamples[1].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_SIZE, 113);
+    mSamples[1].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 114);
+    mSamples[1].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 115);
+    mSamples[1].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 116);
+    mSamples[1].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 117);
+    mSamples[1].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 118);
+    mSamples[1].pointerCoords[1].clear();
+    mSamples[1].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_X, 120);
+    mSamples[1].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_Y, 121);
+    mSamples[1].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 122);
+    mSamples[1].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_SIZE, 123);
+    mSamples[1].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 124);
+    mSamples[1].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 125);
+    mSamples[1].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 126);
+    mSamples[1].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 127);
+    mSamples[1].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 128);
+
+    mSamples[2].pointerCoords[0].clear();
+    mSamples[2].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, 210);
+    mSamples[2].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, 211);
+    mSamples[2].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 212);
+    mSamples[2].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_SIZE, 213);
+    mSamples[2].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 214);
+    mSamples[2].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 215);
+    mSamples[2].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 216);
+    mSamples[2].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 217);
+    mSamples[2].pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 218);
+    mSamples[2].pointerCoords[1].clear();
+    mSamples[2].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_X, 220);
+    mSamples[2].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_Y, 221);
+    mSamples[2].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 222);
+    mSamples[2].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_SIZE, 223);
+    mSamples[2].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 224);
+    mSamples[2].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 225);
+    mSamples[2].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 226);
+    mSamples[2].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 227);
+    mSamples[2].pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 228);
+}
+
+void MotionEventTest::initializeEventWithHistory(MotionEvent* event) {
     event->initialize(mId, 2, AINPUT_SOURCE_TOUCHSCREEN, DISPLAY_ID, HMAC,
                       AMOTION_EVENT_ACTION_MOVE, 0, AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED,
                       AMOTION_EVENT_EDGE_FLAG_TOP, AMETA_ALT_ON, AMOTION_EVENT_BUTTON_PRIMARY,
                       MotionClassification::NONE, mTransform, 2.0f, 2.1f,
                       AMOTION_EVENT_INVALID_CURSOR_POSITION, AMOTION_EVENT_INVALID_CURSOR_POSITION,
                       mRawTransform, ARBITRARY_DOWN_TIME, ARBITRARY_EVENT_TIME, 2,
-                      pointerProperties, pointerCoords);
-
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, 110);
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, 111);
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 112);
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_SIZE, 113);
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 114);
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 115);
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 116);
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 117);
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 118);
-    pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_X, 120);
-    pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_Y, 121);
-    pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 122);
-    pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_SIZE, 123);
-    pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 124);
-    pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 125);
-    pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 126);
-    pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 127);
-    pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 128);
-    event->addSample(ARBITRARY_EVENT_TIME + 1, pointerCoords);
-
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, 210);
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, 211);
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 212);
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_SIZE, 213);
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 214);
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 215);
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 216);
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 217);
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 218);
-    pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_X, 220);
-    pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_Y, 221);
-    pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 222);
-    pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_SIZE, 223);
-    pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 224);
-    pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 225);
-    pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 226);
-    pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 227);
-    pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 228);
-    event->addSample(ARBITRARY_EVENT_TIME + 2, pointerCoords);
+                      mPointerProperties, mSamples[0].pointerCoords);
+    event->addSample(ARBITRARY_EVENT_TIME + 1, mSamples[1].pointerCoords);
+    event->addSample(ARBITRARY_EVENT_TIME + 2, mSamples[2].pointerCoords);
 }
 
 void MotionEventTest::assertEqualsEventWithHistory(const MotionEvent* event) {
@@ -356,51 +370,65 @@
     ASSERT_EQ(ARBITRARY_EVENT_TIME + 1, event->getHistoricalEventTime(1));
     ASSERT_EQ(ARBITRARY_EVENT_TIME + 2, event->getEventTime());
 
-    ASSERT_EQ(11, event->getHistoricalRawPointerCoords(0, 0)->getAxisValue(AMOTION_EVENT_AXIS_Y));
-    ASSERT_EQ(21, event->getHistoricalRawPointerCoords(1, 0)->getAxisValue(AMOTION_EVENT_AXIS_Y));
-    ASSERT_EQ(111, event->getHistoricalRawPointerCoords(0, 1)->getAxisValue(AMOTION_EVENT_AXIS_Y));
-    ASSERT_EQ(121, event->getHistoricalRawPointerCoords(1, 1)->getAxisValue(AMOTION_EVENT_AXIS_Y));
-    ASSERT_EQ(211, event->getRawPointerCoords(0)->getAxisValue(AMOTION_EVENT_AXIS_Y));
-    ASSERT_EQ(221, event->getRawPointerCoords(1)->getAxisValue(AMOTION_EVENT_AXIS_Y));
+    // Ensure the underlying PointerCoords are identical.
+    for (int sampleIdx = 0; sampleIdx < 3; sampleIdx++) {
+        for (int pointerIdx = 0; pointerIdx < 2; pointerIdx++) {
+            ASSERT_EQ(mSamples[sampleIdx].pointerCoords[pointerIdx],
+                      event->getSamplePointerCoords()[sampleIdx * 2 + pointerIdx]);
+        }
+    }
 
-    ASSERT_EQ(RAW_Y_OFFSET + 11 * RAW_Y_SCALE,
-              event->getHistoricalRawAxisValue(AMOTION_EVENT_AXIS_Y, 0, 0));
-    ASSERT_EQ(RAW_Y_OFFSET + 21 * RAW_Y_SCALE,
-              event->getHistoricalRawAxisValue(AMOTION_EVENT_AXIS_Y, 1, 0));
-    ASSERT_EQ(RAW_Y_OFFSET + 111 * RAW_Y_SCALE,
-              event->getHistoricalRawAxisValue(AMOTION_EVENT_AXIS_Y, 0, 1));
-    ASSERT_EQ(RAW_Y_OFFSET + 121 * RAW_Y_SCALE,
-              event->getHistoricalRawAxisValue(AMOTION_EVENT_AXIS_Y, 1, 1));
-    ASSERT_EQ(RAW_Y_OFFSET + 211 * RAW_Y_SCALE, event->getRawAxisValue(AMOTION_EVENT_AXIS_Y, 0));
-    ASSERT_EQ(RAW_Y_OFFSET + 221 * RAW_Y_SCALE, event->getRawAxisValue(AMOTION_EVENT_AXIS_Y, 1));
+    ASSERT_NEAR(11, event->getHistoricalRawPointerCoords(0, 0)->getAxisValue(AMOTION_EVENT_AXIS_Y),
+                EPSILON);
+    ASSERT_NEAR(21, event->getHistoricalRawPointerCoords(1, 0)->getAxisValue(AMOTION_EVENT_AXIS_Y),
+                EPSILON);
+    ASSERT_NEAR(111, event->getHistoricalRawPointerCoords(0, 1)->getAxisValue(AMOTION_EVENT_AXIS_Y),
+                EPSILON);
+    ASSERT_NEAR(121, event->getHistoricalRawPointerCoords(1, 1)->getAxisValue(AMOTION_EVENT_AXIS_Y),
+                EPSILON);
+    ASSERT_NEAR(211, event->getRawPointerCoords(0)->getAxisValue(AMOTION_EVENT_AXIS_Y), EPSILON);
+    ASSERT_NEAR(221, event->getRawPointerCoords(1)->getAxisValue(AMOTION_EVENT_AXIS_Y), EPSILON);
 
-    ASSERT_EQ(RAW_X_OFFSET + 10 * RAW_X_SCALE, event->getHistoricalRawX(0, 0));
-    ASSERT_EQ(RAW_X_OFFSET + 20 * RAW_X_SCALE, event->getHistoricalRawX(1, 0));
-    ASSERT_EQ(RAW_X_OFFSET + 110 * RAW_X_SCALE, event->getHistoricalRawX(0, 1));
-    ASSERT_EQ(RAW_X_OFFSET + 120 * RAW_X_SCALE, event->getHistoricalRawX(1, 1));
-    ASSERT_EQ(RAW_X_OFFSET + 210 * RAW_X_SCALE, event->getRawX(0));
-    ASSERT_EQ(RAW_X_OFFSET + 220 * RAW_X_SCALE, event->getRawX(1));
+    ASSERT_NEAR(RAW_Y_OFFSET + 11 * RAW_Y_SCALE,
+                event->getHistoricalRawAxisValue(AMOTION_EVENT_AXIS_Y, 0, 0), EPSILON);
+    ASSERT_NEAR(RAW_Y_OFFSET + 21 * RAW_Y_SCALE,
+                event->getHistoricalRawAxisValue(AMOTION_EVENT_AXIS_Y, 1, 0), EPSILON);
+    ASSERT_NEAR(RAW_Y_OFFSET + 111 * RAW_Y_SCALE,
+                event->getHistoricalRawAxisValue(AMOTION_EVENT_AXIS_Y, 0, 1), EPSILON);
+    ASSERT_NEAR(RAW_Y_OFFSET + 121 * RAW_Y_SCALE,
+                event->getHistoricalRawAxisValue(AMOTION_EVENT_AXIS_Y, 1, 1), EPSILON);
+    ASSERT_NEAR(RAW_Y_OFFSET + 211 * RAW_Y_SCALE, event->getRawAxisValue(AMOTION_EVENT_AXIS_Y, 0),
+                EPSILON);
+    ASSERT_NEAR(RAW_Y_OFFSET + 221 * RAW_Y_SCALE, event->getRawAxisValue(AMOTION_EVENT_AXIS_Y, 1),
+                EPSILON);
 
-    ASSERT_EQ(RAW_Y_OFFSET + 11 * RAW_Y_SCALE, event->getHistoricalRawY(0, 0));
-    ASSERT_EQ(RAW_Y_OFFSET + 21 * RAW_Y_SCALE, event->getHistoricalRawY(1, 0));
-    ASSERT_EQ(RAW_Y_OFFSET + 111 * RAW_Y_SCALE, event->getHistoricalRawY(0, 1));
-    ASSERT_EQ(RAW_Y_OFFSET + 121 * RAW_Y_SCALE, event->getHistoricalRawY(1, 1));
-    ASSERT_EQ(RAW_Y_OFFSET + 211 * RAW_Y_SCALE, event->getRawY(0));
-    ASSERT_EQ(RAW_Y_OFFSET + 221 * RAW_Y_SCALE, event->getRawY(1));
+    ASSERT_NEAR(RAW_X_OFFSET + 10 * RAW_X_SCALE, event->getHistoricalRawX(0, 0), EPSILON);
+    ASSERT_NEAR(RAW_X_OFFSET + 20 * RAW_X_SCALE, event->getHistoricalRawX(1, 0), EPSILON);
+    ASSERT_NEAR(RAW_X_OFFSET + 110 * RAW_X_SCALE, event->getHistoricalRawX(0, 1), EPSILON);
+    ASSERT_NEAR(RAW_X_OFFSET + 120 * RAW_X_SCALE, event->getHistoricalRawX(1, 1), EPSILON);
+    ASSERT_NEAR(RAW_X_OFFSET + 210 * RAW_X_SCALE, event->getRawX(0), EPSILON);
+    ASSERT_NEAR(RAW_X_OFFSET + 220 * RAW_X_SCALE, event->getRawX(1), EPSILON);
 
-    ASSERT_EQ(X_OFFSET + 10 * X_SCALE, event->getHistoricalX(0, 0));
-    ASSERT_EQ(X_OFFSET + 20 * X_SCALE, event->getHistoricalX(1, 0));
-    ASSERT_EQ(X_OFFSET + 110 * X_SCALE, event->getHistoricalX(0, 1));
-    ASSERT_EQ(X_OFFSET + 120 * X_SCALE, event->getHistoricalX(1, 1));
-    ASSERT_EQ(X_OFFSET + 210 * X_SCALE, event->getX(0));
-    ASSERT_EQ(X_OFFSET + 220 * X_SCALE, event->getX(1));
+    ASSERT_NEAR(RAW_Y_OFFSET + 11 * RAW_Y_SCALE, event->getHistoricalRawY(0, 0), EPSILON);
+    ASSERT_NEAR(RAW_Y_OFFSET + 21 * RAW_Y_SCALE, event->getHistoricalRawY(1, 0), EPSILON);
+    ASSERT_NEAR(RAW_Y_OFFSET + 111 * RAW_Y_SCALE, event->getHistoricalRawY(0, 1), EPSILON);
+    ASSERT_NEAR(RAW_Y_OFFSET + 121 * RAW_Y_SCALE, event->getHistoricalRawY(1, 1), EPSILON);
+    ASSERT_NEAR(RAW_Y_OFFSET + 211 * RAW_Y_SCALE, event->getRawY(0), EPSILON);
+    ASSERT_NEAR(RAW_Y_OFFSET + 221 * RAW_Y_SCALE, event->getRawY(1), EPSILON);
 
-    ASSERT_EQ(Y_OFFSET + 11 * Y_SCALE, event->getHistoricalY(0, 0));
-    ASSERT_EQ(Y_OFFSET + 21 * Y_SCALE, event->getHistoricalY(1, 0));
-    ASSERT_EQ(Y_OFFSET + 111 * Y_SCALE, event->getHistoricalY(0, 1));
-    ASSERT_EQ(Y_OFFSET + 121 * Y_SCALE, event->getHistoricalY(1, 1));
-    ASSERT_EQ(Y_OFFSET + 211 * Y_SCALE, event->getY(0));
-    ASSERT_EQ(Y_OFFSET + 221 * Y_SCALE, event->getY(1));
+    ASSERT_NEAR(X_OFFSET + 10 * X_SCALE, event->getHistoricalX(0, 0), EPSILON);
+    ASSERT_NEAR(X_OFFSET + 20 * X_SCALE, event->getHistoricalX(1, 0), EPSILON);
+    ASSERT_NEAR(X_OFFSET + 110 * X_SCALE, event->getHistoricalX(0, 1), EPSILON);
+    ASSERT_NEAR(X_OFFSET + 120 * X_SCALE, event->getHistoricalX(1, 1), EPSILON);
+    ASSERT_NEAR(X_OFFSET + 210 * X_SCALE, event->getX(0), EPSILON);
+    ASSERT_NEAR(X_OFFSET + 220 * X_SCALE, event->getX(1), EPSILON);
+
+    ASSERT_NEAR(Y_OFFSET + 11 * Y_SCALE, event->getHistoricalY(0, 0), EPSILON);
+    ASSERT_NEAR(Y_OFFSET + 21 * Y_SCALE, event->getHistoricalY(1, 0), EPSILON);
+    ASSERT_NEAR(Y_OFFSET + 111 * Y_SCALE, event->getHistoricalY(0, 1), EPSILON);
+    ASSERT_NEAR(Y_OFFSET + 121 * Y_SCALE, event->getHistoricalY(1, 1), EPSILON);
+    ASSERT_NEAR(Y_OFFSET + 211 * Y_SCALE, event->getY(0), EPSILON);
+    ASSERT_NEAR(Y_OFFSET + 221 * Y_SCALE, event->getY(1), EPSILON);
 
     ASSERT_EQ(12, event->getHistoricalPressure(0, 0));
     ASSERT_EQ(22, event->getHistoricalPressure(1, 0));
@@ -532,10 +560,10 @@
     ASSERT_EQ(X_OFFSET * 2, event.getXOffset());
     ASSERT_EQ(Y_OFFSET * 2, event.getYOffset());
 
-    ASSERT_EQ((RAW_X_OFFSET + 210 * RAW_X_SCALE) * 2, event.getRawX(0));
-    ASSERT_EQ((RAW_Y_OFFSET + 211 * RAW_Y_SCALE) * 2, event.getRawY(0));
-    ASSERT_EQ((X_OFFSET + 210 * X_SCALE) * 2, event.getX(0));
-    ASSERT_EQ((Y_OFFSET + 211 * Y_SCALE) * 2, event.getY(0));
+    ASSERT_NEAR((RAW_X_OFFSET + 210 * RAW_X_SCALE) * 2, event.getRawX(0), EPSILON);
+    ASSERT_NEAR((RAW_Y_OFFSET + 211 * RAW_Y_SCALE) * 2, event.getRawY(0), EPSILON);
+    ASSERT_NEAR((X_OFFSET + 210 * X_SCALE) * 2, event.getX(0), EPSILON);
+    ASSERT_NEAR((Y_OFFSET + 211 * Y_SCALE) * 2, event.getY(0), EPSILON);
     ASSERT_EQ(212, event.getPressure(0));
     ASSERT_EQ(213, event.getSize(0));
     ASSERT_EQ(214 * 2, event.getTouchMajor(0));
@@ -773,18 +801,18 @@
 
     // The x and y axes should have the window transform applied.
     const auto newPoint = transform.transform(60, 100);
-    ASSERT_EQ(newPoint.x, event.getX(0));
-    ASSERT_EQ(newPoint.y, event.getY(0));
+    ASSERT_NEAR(newPoint.x, event.getX(0), EPSILON);
+    ASSERT_NEAR(newPoint.y, event.getY(0), EPSILON);
 
     // The raw values should have the display transform applied.
     const auto raw = rawTransform.transform(60, 100);
-    ASSERT_EQ(raw.x, event.getRawX(0));
-    ASSERT_EQ(raw.y, event.getRawY(0));
+    ASSERT_NEAR(raw.x, event.getRawX(0), EPSILON);
+    ASSERT_NEAR(raw.y, event.getRawY(0), EPSILON);
 
     // Relative values should have the window transform applied without any translation.
     const auto rel = transformWithoutTranslation(transform, 42, 96);
-    ASSERT_EQ(rel.x, event.getAxisValue(AMOTION_EVENT_AXIS_RELATIVE_X, 0));
-    ASSERT_EQ(rel.y, event.getAxisValue(AMOTION_EVENT_AXIS_RELATIVE_Y, 0));
+    ASSERT_NEAR(rel.x, event.getAxisValue(AMOTION_EVENT_AXIS_RELATIVE_X, 0), EPSILON);
+    ASSERT_NEAR(rel.y, event.getAxisValue(AMOTION_EVENT_AXIS_RELATIVE_Y, 0), EPSILON);
 }
 
 TEST_F(MotionEventTest, Initialize_SetsClassification) {
@@ -851,4 +879,42 @@
     ASSERT_EQ(4, event.getYCursorPosition());
 }
 
+TEST_F(MotionEventTest, CoordinatesAreRoundedAppropriately) {
+    // These are specifically integral values, since we are testing for rounding.
+    const vec2 EXPECTED{400.f, 700.f};
+
+    // Pick a transform such that transforming the point with its inverse and bringing that
+    // back to the original coordinate space results in a non-zero error amount due to the
+    // nature of floating point arithmetics. This can happen when the display is scaled.
+    // For example, the 'adb shell wm size' command can be used to set an override for the
+    // logical display size, which could result in the display being scaled.
+    constexpr float scale = 720.f / 1080.f;
+    ui::Transform transform;
+    transform.set(scale, 0, 0, scale);
+    ASSERT_NE(EXPECTED, transform.transform(transform.inverse().transform(EXPECTED)));
+
+    // Store the inverse-transformed values in the motion event.
+    const vec2 rawCoords = transform.inverse().transform(EXPECTED);
+    PointerCoords pc{};
+    pc.setAxisValue(AMOTION_EVENT_AXIS_X, rawCoords.x);
+    pc.setAxisValue(AMOTION_EVENT_AXIS_Y, rawCoords.y);
+    PointerProperties pp{};
+    MotionEvent event;
+    event.initialize(InputEvent::nextId(), 2, AINPUT_SOURCE_TOUCHSCREEN, DISPLAY_ID, HMAC,
+                     AMOTION_EVENT_ACTION_MOVE, 0, AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED,
+                     AMOTION_EVENT_EDGE_FLAG_TOP, AMETA_ALT_ON, AMOTION_EVENT_BUTTON_PRIMARY,
+                     MotionClassification::NONE, transform, 2.0f, 2.1f, rawCoords.x, rawCoords.y,
+                     transform, ARBITRARY_DOWN_TIME, ARBITRARY_EVENT_TIME, 1, &pp, &pc);
+
+    // When using the getters from the MotionEvent to obtain the coordinates, the transformed
+    // values should be rounded by an appropriate amount so that they now precisely equal the
+    // original coordinates.
+    ASSERT_EQ(EXPECTED.x, event.getX(0));
+    ASSERT_EQ(EXPECTED.y, event.getY(0));
+    ASSERT_EQ(EXPECTED.x, event.getRawX(0));
+    ASSERT_EQ(EXPECTED.y, event.getRawY(0));
+    ASSERT_EQ(EXPECTED.x, event.getXCursorPosition());
+    ASSERT_EQ(EXPECTED.y, event.getYCursorPosition());
+}
+
 } // namespace android
diff --git a/libs/input/tests/InputPublisherAndConsumer_test.cpp b/libs/input/tests/InputPublisherAndConsumer_test.cpp
index 05bc0bc..8393e99 100644
--- a/libs/input/tests/InputPublisherAndConsumer_test.cpp
+++ b/libs/input/tests/InputPublisherAndConsumer_test.cpp
@@ -32,6 +32,8 @@
 
 namespace android {
 
+constexpr static float EPSILON = MotionEvent::ROUNDING_PRECISION;
+
 class InputPublisherAndConsumerTest : public testing::Test {
 protected:
     std::shared_ptr<InputChannel> mServerChannel, mClientChannel;
@@ -233,10 +235,10 @@
     EXPECT_EQ(yOffset, motionEvent->getYOffset());
     EXPECT_EQ(xPrecision, motionEvent->getXPrecision());
     EXPECT_EQ(yPrecision, motionEvent->getYPrecision());
-    EXPECT_EQ(xCursorPosition, motionEvent->getRawXCursorPosition());
-    EXPECT_EQ(yCursorPosition, motionEvent->getRawYCursorPosition());
-    EXPECT_EQ(xCursorPosition * xScale + xOffset, motionEvent->getXCursorPosition());
-    EXPECT_EQ(yCursorPosition * yScale + yOffset, motionEvent->getYCursorPosition());
+    EXPECT_NEAR(xCursorPosition, motionEvent->getRawXCursorPosition(), EPSILON);
+    EXPECT_NEAR(yCursorPosition, motionEvent->getRawYCursorPosition(), EPSILON);
+    EXPECT_NEAR(xCursorPosition * xScale + xOffset, motionEvent->getXCursorPosition(), EPSILON);
+    EXPECT_NEAR(yCursorPosition * yScale + yOffset, motionEvent->getYCursorPosition(), EPSILON);
     EXPECT_EQ(rawTransform, motionEvent->getRawTransform());
     EXPECT_EQ(downTime, motionEvent->getDownTime());
     EXPECT_EQ(eventTime, motionEvent->getEventTime());
@@ -249,10 +251,12 @@
         EXPECT_EQ(pointerProperties[i].toolType, motionEvent->getToolType(i));
 
         const auto& pc = pointerCoords[i];
-        EXPECT_EQ(pc.getX() * rawXScale + rawXOffset, motionEvent->getRawX(i));
-        EXPECT_EQ(pc.getY() * rawYScale + rawYOffset, motionEvent->getRawY(i));
-        EXPECT_EQ(pc.getX() * xScale + xOffset, motionEvent->getX(i));
-        EXPECT_EQ(pc.getY() * yScale + yOffset, motionEvent->getY(i));
+        EXPECT_EQ(pc, motionEvent->getSamplePointerCoords()[i]);
+
+        EXPECT_NEAR(pc.getX() * rawXScale + rawXOffset, motionEvent->getRawX(i), EPSILON);
+        EXPECT_NEAR(pc.getY() * rawYScale + rawYOffset, motionEvent->getRawY(i), EPSILON);
+        EXPECT_NEAR(pc.getX() * xScale + xOffset, motionEvent->getX(i), EPSILON);
+        EXPECT_NEAR(pc.getY() * yScale + yOffset, motionEvent->getY(i), EPSILON);
         EXPECT_EQ(pc.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE), motionEvent->getPressure(i));
         EXPECT_EQ(pc.getAxisValue(AMOTION_EVENT_AXIS_SIZE), motionEvent->getSize(i));
         EXPECT_EQ(pc.getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR), motionEvent->getTouchMajor(i));
diff --git a/services/gpuservice/tests/unittests/Android.bp b/services/gpuservice/tests/unittests/Android.bp
index 86f6c7f..51642f9 100644
--- a/services/gpuservice/tests/unittests/Android.bp
+++ b/services/gpuservice/tests/unittests/Android.bp
@@ -24,9 +24,6 @@
 cc_test {
     name: "gpuservice_unittest",
     test_suites: ["device-tests"],
-    sanitize: {
-        address: true,
-    },
     srcs: [
         "GpuMemTest.cpp",
         "GpuMemTracerTest.cpp",
diff --git a/services/inputflinger/dispatcher/InputDispatcher.cpp b/services/inputflinger/dispatcher/InputDispatcher.cpp
index eb97a68..96164c0 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.cpp
+++ b/services/inputflinger/dispatcher/InputDispatcher.cpp
@@ -107,6 +107,8 @@
 constexpr int LOGTAG_INPUT_FOCUS = 62001;
 constexpr int LOGTAG_INPUT_CANCEL = 62003;
 
+const ui::Transform kIdentityTransform;
+
 inline nsecs_t now() {
     return systemTime(SYSTEM_TIME_MONOTONIC);
 }
@@ -459,8 +461,8 @@
 }
 
 // Returns true if the given window can accept pointer events at the given display location.
-bool windowAcceptsTouchAt(const WindowInfo& windowInfo, int32_t displayId, int32_t x, int32_t y,
-                          bool isStylus) {
+bool windowAcceptsTouchAt(const WindowInfo& windowInfo, int32_t displayId, float x, float y,
+                          bool isStylus, const ui::Transform& displayTransform) {
     const auto inputConfig = windowInfo.inputConfig;
     if (windowInfo.displayId != displayId ||
         inputConfig.test(WindowInfo::InputConfig::NOT_VISIBLE)) {
@@ -470,7 +472,17 @@
     if (inputConfig.test(WindowInfo::InputConfig::NOT_TOUCHABLE) && !windowCanInterceptTouch) {
         return false;
     }
-    if (!windowInfo.touchableRegionContainsPoint(x, y)) {
+
+    // Window Manager works in the logical display coordinate space. When it specifies bounds for a
+    // window as (l, t, r, b), the range of x in [l, r) and y in [t, b) are considered to be inside
+    // the window. Points on the right and bottom edges should not be inside the window, so we need
+    // to be careful about performing a hit test when the display is rotated, since the "right" and
+    // "bottom" of the window will be different in the display (un-rotated) space compared to in the
+    // logical display in which WM determined the bounds. Perform the hit test in the logical
+    // display space to ensure these edges are considered correctly in all orientations.
+    const auto touchableRegion = displayTransform.transform(windowInfo.touchableRegion);
+    const auto p = displayTransform.transform(x, y);
+    if (!touchableRegion.contains(std::floor(p.x), std::floor(p.y))) {
         return false;
     }
     return true;
@@ -928,10 +940,8 @@
     // the touch into the other window.
     if (isPointerDownEvent && mAwaitedFocusedApplication != nullptr) {
         int32_t displayId = motionEntry.displayId;
-        int32_t x = static_cast<int32_t>(
-                motionEntry.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_X));
-        int32_t y = static_cast<int32_t>(
-                motionEntry.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_Y));
+        const float x = motionEntry.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_X);
+        const float y = motionEntry.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_Y);
 
         const bool isStylus = isPointerFromStylus(motionEntry, 0 /*pointerIndex*/);
         sp<WindowInfoHandle> touchedWindowHandle =
@@ -1058,8 +1068,8 @@
     }
 }
 
-sp<WindowInfoHandle> InputDispatcher::findTouchedWindowAtLocked(int32_t displayId, int32_t x,
-                                                                int32_t y, TouchState* touchState,
+sp<WindowInfoHandle> InputDispatcher::findTouchedWindowAtLocked(int32_t displayId, float x, float y,
+                                                                TouchState* touchState,
                                                                 bool isStylus,
                                                                 bool addOutsideTargets,
                                                                 bool ignoreDragWindow) {
@@ -1074,7 +1084,8 @@
         }
 
         const WindowInfo& info = *windowHandle->getInfo();
-        if (!info.isSpy() && windowAcceptsTouchAt(info, displayId, x, y, isStylus)) {
+        if (!info.isSpy() &&
+            windowAcceptsTouchAt(info, displayId, x, y, isStylus, getTransformLocked(displayId))) {
             return windowHandle;
         }
 
@@ -1088,14 +1099,14 @@
 }
 
 std::vector<sp<WindowInfoHandle>> InputDispatcher::findTouchedSpyWindowsAtLocked(
-        int32_t displayId, int32_t x, int32_t y, bool isStylus) const {
+        int32_t displayId, float x, float y, bool isStylus) const {
     // Traverse windows from front to back and gather the touched spy windows.
     std::vector<sp<WindowInfoHandle>> spyWindows;
     const auto& windowHandles = getWindowHandlesLocked(displayId);
     for (const sp<WindowInfoHandle>& windowHandle : windowHandles) {
         const WindowInfo& info = *windowHandle->getInfo();
 
-        if (!windowAcceptsTouchAt(info, displayId, x, y, isStylus)) {
+        if (!windowAcceptsTouchAt(info, displayId, x, y, isStylus, getTransformLocked(displayId))) {
             continue;
         }
         if (!info.isSpy()) {
@@ -2057,16 +2068,16 @@
     if (newGesture || (isSplit && maskedAction == AMOTION_EVENT_ACTION_POINTER_DOWN)) {
         /* Case 1: New splittable pointer going down, or need target for hover or scroll. */
 
-        int32_t x;
-        int32_t y;
+        float x;
+        float y;
         const int32_t pointerIndex = getMotionEventActionPointerIndex(action);
         // Always dispatch mouse events to cursor position.
         if (isFromMouse) {
-            x = int32_t(entry.xCursorPosition);
-            y = int32_t(entry.yCursorPosition);
+            x = entry.xCursorPosition;
+            y = entry.yCursorPosition;
         } else {
-            x = int32_t(entry.pointerCoords[pointerIndex].getAxisValue(AMOTION_EVENT_AXIS_X));
-            y = int32_t(entry.pointerCoords[pointerIndex].getAxisValue(AMOTION_EVENT_AXIS_Y));
+            x = entry.pointerCoords[pointerIndex].getAxisValue(AMOTION_EVENT_AXIS_X);
+            y = entry.pointerCoords[pointerIndex].getAxisValue(AMOTION_EVENT_AXIS_Y);
         }
         const bool isDown = maskedAction == AMOTION_EVENT_ACTION_DOWN;
         const bool isStylus = isPointerFromStylus(entry, pointerIndex);
@@ -2075,8 +2086,7 @@
 
         // Handle the case where we did not find a window.
         if (newTouchedWindowHandle == nullptr) {
-            ALOGD("No new touched window at (%" PRId32 ", %" PRId32 ") in display %" PRId32, x, y,
-                  displayId);
+            ALOGD("No new touched window at (%.1f, %.1f) in display %" PRId32, x, y, displayId);
             // Try to assign the pointer to the first foreground window we find, if there is one.
             newTouchedWindowHandle = tempTouchState.getFirstForegroundWindowHandle();
         }
@@ -2123,7 +2133,8 @@
         }
 
         if (newTouchedWindows.empty()) {
-            ALOGI("Dropping event because there is no touchable window at (%d, %d) on display %d.",
+            ALOGI("Dropping event because there is no touchable window at (%.1f, %.1f) on display "
+                  "%d.",
                   x, y, displayId);
             injectionResult = InputEventInjectionResult::FAILED;
             goto Failed;
@@ -2157,7 +2168,8 @@
                         computeTouchOcclusionInfoLocked(windowHandle, x, y);
                 if (!isTouchTrustedLocked(occlusionInfo)) {
                     if (DEBUG_TOUCH_OCCLUSION) {
-                        ALOGD("Stack of obscuring windows during untrusted touch (%d, %d):", x, y);
+                        ALOGD("Stack of obscuring windows during untrusted touch (%.1f, %.1f):", x,
+                              y);
                         for (const auto& log : occlusionInfo.debugInfo) {
                             ALOGD("%s", log.c_str());
                         }
@@ -2218,8 +2230,8 @@
         // Check whether touches should slip outside of the current foreground window.
         if (maskedAction == AMOTION_EVENT_ACTION_MOVE && entry.pointerCount == 1 &&
             tempTouchState.isSlippery()) {
-            const int32_t x = int32_t(entry.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_X));
-            const int32_t y = int32_t(entry.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_Y));
+            const float x = entry.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_X);
+            const float y = entry.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_Y);
 
             const bool isStylus = isPointerFromStylus(entry, 0 /*pointerIndex*/);
             sp<WindowInfoHandle> oldTouchedWindowHandle =
@@ -2541,8 +2553,8 @@
     }
 
     const int32_t maskedAction = entry.action & AMOTION_EVENT_ACTION_MASK;
-    const int32_t x = entry.pointerCoords[pointerIndex].getX();
-    const int32_t y = entry.pointerCoords[pointerIndex].getY();
+    const float x = entry.pointerCoords[pointerIndex].getX();
+    const float y = entry.pointerCoords[pointerIndex].getY();
 
     switch (maskedAction) {
         case AMOTION_EVENT_ACTION_MOVE: {
@@ -4582,6 +4594,12 @@
     return getWindowHandleLocked(focusedToken, displayId);
 }
 
+ui::Transform InputDispatcher::getTransformLocked(int32_t displayId) const {
+    auto displayInfoIt = mDisplayInfos.find(displayId);
+    return displayInfoIt != mDisplayInfos.end() ? displayInfoIt->second.transform
+                                                : kIdentityTransform;
+}
+
 bool InputDispatcher::hasResponsiveConnectionLocked(WindowInfoHandle& windowHandle) const {
     sp<Connection> connection = getConnectionLocked(windowHandle.getToken());
     const bool noInputChannel =
diff --git a/services/inputflinger/dispatcher/InputDispatcher.h b/services/inputflinger/dispatcher/InputDispatcher.h
index ed89ed0..24e7432 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.h
+++ b/services/inputflinger/dispatcher/InputDispatcher.h
@@ -240,11 +240,11 @@
     std::shared_ptr<EventEntry> mNextUnblockedEvent GUARDED_BY(mLock);
 
     sp<android::gui::WindowInfoHandle> findTouchedWindowAtLocked(
-            int32_t displayId, int32_t x, int32_t y, TouchState* touchState, bool isStylus = false,
+            int32_t displayId, float x, float y, TouchState* touchState, bool isStylus = false,
             bool addOutsideTargets = false, bool ignoreDragWindow = false) REQUIRES(mLock);
 
     std::vector<sp<android::gui::WindowInfoHandle>> findTouchedSpyWindowsAtLocked(
-            int32_t displayId, int32_t x, int32_t y, bool isStylus) const REQUIRES(mLock);
+            int32_t displayId, float x, float y, bool isStylus) const REQUIRES(mLock);
 
     sp<android::gui::WindowInfoHandle> findTouchedForegroundWindowLocked(int32_t displayId) const
             REQUIRES(mLock);
@@ -370,6 +370,7 @@
             int32_t displayId) const REQUIRES(mLock);
     sp<android::gui::WindowInfoHandle> getWindowHandleLocked(
             const sp<IBinder>& windowHandleToken) const REQUIRES(mLock);
+    ui::Transform getTransformLocked(int32_t displayId) const REQUIRES(mLock);
 
     // Same function as above, but faster. Since displayId is provided, this avoids the need
     // to loop through all displays.
diff --git a/services/inputflinger/tests/InputDispatcher_test.cpp b/services/inputflinger/tests/InputDispatcher_test.cpp
index fce0f99..e860e3c 100644
--- a/services/inputflinger/tests/InputDispatcher_test.cpp
+++ b/services/inputflinger/tests/InputDispatcher_test.cpp
@@ -128,10 +128,10 @@
             const auto& motionEvent = static_cast<const MotionEvent&>(event);
             EXPECT_EQ(motionEvent.getEventTime(), args.eventTime);
             EXPECT_EQ(motionEvent.getAction(), args.action);
-            EXPECT_EQ(motionEvent.getX(0), point.x);
-            EXPECT_EQ(motionEvent.getY(0), point.y);
-            EXPECT_EQ(motionEvent.getRawX(0), point.x);
-            EXPECT_EQ(motionEvent.getRawY(0), point.y);
+            EXPECT_NEAR(motionEvent.getX(0), point.x, MotionEvent::ROUNDING_PRECISION);
+            EXPECT_NEAR(motionEvent.getY(0), point.y, MotionEvent::ROUNDING_PRECISION);
+            EXPECT_NEAR(motionEvent.getRawX(0), point.x, MotionEvent::ROUNDING_PRECISION);
+            EXPECT_NEAR(motionEvent.getRawY(0), point.y, MotionEvent::ROUNDING_PRECISION);
         });
     }
 
@@ -2481,8 +2481,7 @@
 public:
     void SetUp() override {
         InputDispatcherTest::SetUp();
-        mDisplayInfos.clear();
-        mWindowInfos.clear();
+        removeAllWindowsAndDisplays();
     }
 
     void addDisplayInfo(int displayId, const ui::Transform& transform) {
@@ -2498,6 +2497,11 @@
         mDispatcher->onWindowInfosChanged(mWindowInfos, mDisplayInfos);
     }
 
+    void removeAllWindowsAndDisplays() {
+        mDisplayInfos.clear();
+        mWindowInfos.clear();
+    }
+
     // Set up a test scenario where the display has a scaled projection and there are two windows
     // on the display.
     std::pair<sp<FakeWindowHandle>, sp<FakeWindowHandle>> setupScaledDisplayScenario() {
@@ -2529,11 +2533,11 @@
     std::vector<gui::WindowInfo> mWindowInfos;
 };
 
-TEST_F(InputDispatcherDisplayProjectionTest, HitTestsInDisplaySpace) {
+TEST_F(InputDispatcherDisplayProjectionTest, HitTestCoordinateSpaceConsistency) {
     auto [firstWindow, secondWindow] = setupScaledDisplayScenario();
     // Send down to the first window. The point is represented in the display space. The point is
-    // selected so that if the hit test was done with the transform applied to it, then it would
-    // end up in the incorrect window.
+    // selected so that if the hit test was performed with the point and the bounds being in
+    // different coordinate spaces, the event would end up in the incorrect window.
     NotifyMotionArgs downMotionArgs =
             generateMotionArgs(AMOTION_EVENT_ACTION_DOWN, AINPUT_SOURCE_TOUCHSCREEN,
                                ADISPLAY_ID_DEFAULT, {PointF{75, 55}});
@@ -2608,6 +2612,78 @@
     EXPECT_EQ(80, event->getY(0));
 }
 
+/** Ensure consistent behavior of InputDispatcher in all orientations. */
+class InputDispatcherDisplayOrientationFixture
+      : public InputDispatcherDisplayProjectionTest,
+        public ::testing::WithParamInterface<ui::Rotation> {};
+
+// This test verifies the touchable region of a window for all rotations of the display by tapping
+// in different locations on the display, specifically points close to the four corners of a
+// window.
+TEST_P(InputDispatcherDisplayOrientationFixture, HitTestInDifferentOrientations) {
+    constexpr static int32_t displayWidth = 400;
+    constexpr static int32_t displayHeight = 800;
+
+    std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
+
+    const auto rotation = GetParam();
+
+    // Set up the display with the specified rotation.
+    const bool isRotated = rotation == ui::ROTATION_90 || rotation == ui::ROTATION_270;
+    const int32_t logicalDisplayWidth = isRotated ? displayHeight : displayWidth;
+    const int32_t logicalDisplayHeight = isRotated ? displayWidth : displayHeight;
+    const ui::Transform displayTransform(ui::Transform::toRotationFlags(rotation),
+                                         logicalDisplayWidth, logicalDisplayHeight);
+    addDisplayInfo(ADISPLAY_ID_DEFAULT, displayTransform);
+
+    // Create a window with its bounds determined in the logical display.
+    const Rect frameInLogicalDisplay(100, 100, 200, 300);
+    const Rect frameInDisplay = displayTransform.inverse().transform(frameInLogicalDisplay);
+    sp<FakeWindowHandle> window =
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Window", ADISPLAY_ID_DEFAULT);
+    window->setFrame(frameInDisplay, displayTransform);
+    addWindow(window);
+
+    // The following points in logical display space should be inside the window.
+    static const std::array<vec2, 4> insidePoints{
+            {{100, 100}, {199.99, 100}, {100, 299.99}, {199.99, 299.99}}};
+    for (const auto pointInsideWindow : insidePoints) {
+        const vec2 p = displayTransform.inverse().transform(pointInsideWindow);
+        const PointF pointInDisplaySpace{p.x, p.y};
+        const auto down = generateMotionArgs(AMOTION_EVENT_ACTION_DOWN, AINPUT_SOURCE_TOUCHSCREEN,
+                                             ADISPLAY_ID_DEFAULT, {pointInDisplaySpace});
+        mDispatcher->notifyMotion(&down);
+        window->consumeMotionDown();
+
+        const auto up = generateMotionArgs(AMOTION_EVENT_ACTION_UP, AINPUT_SOURCE_TOUCHSCREEN,
+                                           ADISPLAY_ID_DEFAULT, {pointInDisplaySpace});
+        mDispatcher->notifyMotion(&up);
+        window->consumeMotionUp();
+    }
+
+    // The following points in logical display space should be outside the window.
+    static const std::array<vec2, 5> outsidePoints{
+            {{200, 100}, {100, 300}, {200, 300}, {100, 99.99}, {99.99, 100}}};
+    for (const auto pointOutsideWindow : outsidePoints) {
+        const vec2 p = displayTransform.inverse().transform(pointOutsideWindow);
+        const PointF pointInDisplaySpace{p.x, p.y};
+        const auto down = generateMotionArgs(AMOTION_EVENT_ACTION_DOWN, AINPUT_SOURCE_TOUCHSCREEN,
+                                             ADISPLAY_ID_DEFAULT, {pointInDisplaySpace});
+        mDispatcher->notifyMotion(&down);
+
+        const auto up = generateMotionArgs(AMOTION_EVENT_ACTION_UP, AINPUT_SOURCE_TOUCHSCREEN,
+                                           ADISPLAY_ID_DEFAULT, {pointInDisplaySpace});
+        mDispatcher->notifyMotion(&up);
+    }
+    window->assertNoEvents();
+}
+
+// Run the precision tests for all rotations.
+INSTANTIATE_TEST_SUITE_P(InputDispatcherDisplayOrientationTests,
+                         InputDispatcherDisplayOrientationFixture,
+                         ::testing::Values(ui::ROTATION_0, ui::ROTATION_90, ui::ROTATION_180,
+                                           ui::ROTATION_270));
+
 using TransferFunction = std::function<bool(const std::unique_ptr<InputDispatcher>& dispatcher,
                                             sp<IBinder>, sp<IBinder>)>;