Merge changes Ib7e34368,I444cf8c5

* changes:
  Reland: Send WindowInfo even if the window isn't associated with a DisplayDevice
  Reland: InputDispatcher: Allow all windows to be removed from a display
diff --git a/PREUPLOAD.cfg b/PREUPLOAD.cfg
index 6d837c2..3480d63 100644
--- a/PREUPLOAD.cfg
+++ b/PREUPLOAD.cfg
@@ -1,8 +1,10 @@
 [Builtin Hooks]
+rustfmt = true
 bpfmt = true
 clang_format = true
 
 [Builtin Hooks Options]
+rustfmt = --config-path=rustfmt.toml
 # Only turn on clang-format check for the following subfolders.
 clang_format = --commit ${PREUPLOAD_COMMIT} --style file --extensions c,h,cc,cpp
                cmds/idlcli/
diff --git a/cmds/atrace/atrace.cpp b/cmds/atrace/atrace.cpp
index b37a457..6fb9a4d 100644
--- a/cmds/atrace/atrace.cpp
+++ b/cmds/atrace/atrace.cpp
@@ -1195,11 +1195,6 @@
     bool traceStream = false;
     bool onlyUserspace = false;
 
-    fprintf(stderr,
-            "** Warning: atrace will end vendor support in the next Android Release. **\n"
-            "** Perfetto is the suggested replacement tool. It will gain vendor      **\n"
-            "** support. See https://perfetto.dev/docs/quickstart/android-tracing    **\n\n");
-
     if (argc == 2 && 0 == strcmp(argv[1], "--help")) {
         showHelp(argv[0]);
         exit(0);
diff --git a/cmds/servicemanager/Access.cpp b/cmds/servicemanager/Access.cpp
index b7e520f..711038c 100644
--- a/cmds/servicemanager/Access.cpp
+++ b/cmds/servicemanager/Access.cpp
@@ -30,6 +30,7 @@
 constexpr bool kIsVendor = false;
 #endif
 
+#ifdef __ANDROID__
 static std::string getPidcon(pid_t pid) {
     android_errorWriteLog(0x534e4554, "121035042");
 
@@ -45,7 +46,6 @@
 
 static struct selabel_handle* getSehandle() {
     static struct selabel_handle* gSehandle = nullptr;
-
     if (gSehandle != nullptr && selinux_status_updated()) {
         selabel_close(gSehandle);
         gSehandle = nullptr;
@@ -78,8 +78,10 @@
         ad->tname->c_str());
     return 0;
 }
+#endif
 
 Access::Access() {
+#ifdef __ANDROID__
     union selinux_callback cb;
 
     cb.func_audit = auditCallback;
@@ -91,6 +93,7 @@
     CHECK(selinux_status_open(true /*fallback*/) >= 0);
 
     CHECK(getcon(&mThisProcessContext) == 0);
+#endif
 }
 
 Access::~Access() {
@@ -98,6 +101,7 @@
 }
 
 Access::CallingContext Access::getCallingContext() {
+#ifdef __ANDROID__
     IPCThreadState* ipc = IPCThreadState::self();
 
     const char* callingSid = ipc->getCallingSid();
@@ -108,6 +112,9 @@
         .uid = ipc->getCallingUid(),
         .sid = callingSid ? std::string(callingSid) : getPidcon(callingPid),
     };
+#else
+    return CallingContext();
+#endif
 }
 
 bool Access::canFind(const CallingContext& ctx,const std::string& name) {
@@ -124,6 +131,7 @@
 
 bool Access::actionAllowed(const CallingContext& sctx, const char* tctx, const char* perm,
         const std::string& tname) {
+#ifdef __ANDROID__
     const char* tclass = "service_manager";
 
     AuditCallbackData data = {
@@ -133,9 +141,18 @@
 
     return 0 == selinux_check_access(sctx.sid.c_str(), tctx, tclass, perm,
         reinterpret_cast<void*>(&data));
+#else
+    (void)sctx;
+    (void)tctx;
+    (void)perm;
+    (void)tname;
+
+    return true;
+#endif
 }
 
 bool Access::actionAllowedFromLookup(const CallingContext& sctx, const std::string& name, const char *perm) {
+#ifdef __ANDROID__
     char *tctx = nullptr;
     if (selabel_lookup(getSehandle(), &tctx, name.c_str(), SELABEL_CTX_ANDROID_SERVICE) != 0) {
         LOG(ERROR) << "SELinux: No match for " << name << " in service_contexts.\n";
@@ -145,6 +162,14 @@
     bool allowed = actionAllowed(sctx, tctx, perm, name);
     freecon(tctx);
     return allowed;
+#else
+    (void)sctx;
+    (void)name;
+    (void)perm;
+    (void)kIsVendor;
+
+    return true;
+#endif
 }
 
 }  // android
diff --git a/cmds/servicemanager/Android.bp b/cmds/servicemanager/Android.bp
index 3b753c6..25bd9a3 100644
--- a/cmds/servicemanager/Android.bp
+++ b/cmds/servicemanager/Android.bp
@@ -87,3 +87,35 @@
     ],
     static_libs: ["libgmock"],
 }
+
+cc_fuzz {
+    name: "servicemanager_fuzzer",
+    defaults: ["servicemanager_defaults"],
+    host_supported: true,
+    static_libs: [
+        "libbase",
+        "libbinder_random_parcel",
+        "libcutils",
+    ],
+    target: {
+        android: {
+            shared_libs: [
+                "libbinder_ndk",
+                "libbinder",
+            ],
+        },
+        host: {
+            static_libs: [
+                "libbinder_ndk",
+                "libbinder",
+            ],
+        },
+    },
+    srcs: ["ServiceManagerFuzzer.cpp"],
+    fuzz_config: {
+        cc: [
+            "smoreland@google.com",
+            "waghpawan@google.com",
+        ],
+    },
+}
diff --git a/cmds/servicemanager/ServiceManagerFuzzer.cpp b/cmds/servicemanager/ServiceManagerFuzzer.cpp
new file mode 100644
index 0000000..9e2e53f
--- /dev/null
+++ b/cmds/servicemanager/ServiceManagerFuzzer.cpp
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2022 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 <fuzzbinder/libbinder_driver.h>
+#include <utils/StrongPointer.h>
+
+#include "Access.h"
+#include "ServiceManager.h"
+
+using ::android::Access;
+using ::android::fuzzService;
+using ::android::ServiceManager;
+using ::android::sp;
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+    if (size > 50000) {
+        return 0;
+    }
+
+    auto accessPtr = std::make_unique<Access>();
+    auto serviceManager = sp<ServiceManager>::make(std::move(accessPtr));
+    fuzzService(serviceManager, FuzzedDataProvider(data, size));
+
+    return 0;
+}
\ No newline at end of file
diff --git a/libs/adbd_auth/libadbd_auth.map.txt b/libs/adbd_auth/libadbd_auth.map.txt
index 7584ca3..f9f042e 100644
--- a/libs/adbd_auth/libadbd_auth.map.txt
+++ b/libs/adbd_auth/libadbd_auth.map.txt
@@ -1,17 +1,17 @@
 LIBADBD_AUTH {
   global:
-    adbd_auth_new; # apex introduced=30
-    adbd_auth_delete; # apex introduced=30
-    adbd_auth_run; # apex introduced=30
-    adbd_auth_get_public_keys; #apex introduced=30
-    adbd_auth_notify_auth; # apex introduced=30
-    adbd_auth_notify_disconnect; # apex introduced=30
-    adbd_auth_prompt_user; # apex introduced=30
-    adbd_auth_prompt_user_with_id; # apex introduced=30
-    adbd_auth_tls_device_connected; # apex introduced=30
-    adbd_auth_tls_device_disconnected; # apex introduced=30
-    adbd_auth_get_max_version; # apex introduced=30
-    adbd_auth_supports_feature; # apex introduced=30
+    adbd_auth_new; # systemapi introduced=30
+    adbd_auth_delete; # systemapi introduced=30
+    adbd_auth_run; # systemapi introduced=30
+    adbd_auth_get_public_keys; # systemapi introduced=30
+    adbd_auth_notify_auth; # systemapi introduced=30
+    adbd_auth_notify_disconnect; # systemapi introduced=30
+    adbd_auth_prompt_user; # systemapi introduced=30
+    adbd_auth_prompt_user_with_id; # systemapi introduced=30
+    adbd_auth_tls_device_connected; # systemapi introduced=30
+    adbd_auth_tls_device_disconnected; # systemapi introduced=30
+    adbd_auth_get_max_version; # systemapi introduced=30
+    adbd_auth_supports_feature; # systemapi introduced=30
   local:
     *;
 };
diff --git a/libs/binder/BpBinder.cpp b/libs/binder/BpBinder.cpp
index 82ebdd7..b6d35ef 100644
--- a/libs/binder/BpBinder.cpp
+++ b/libs/binder/BpBinder.cpp
@@ -343,11 +343,23 @@
 status_t BpBinder::linkToDeath(
     const sp<DeathRecipient>& recipient, void* cookie, uint32_t flags)
 {
-    if (isRpcBinder()) return UNKNOWN_TRANSACTION;
-
-    if constexpr (!kEnableKernelIpc) {
+    if (isRpcBinder()) {
+        if (rpcSession()->getMaxIncomingThreads() < 1) {
+            LOG_ALWAYS_FATAL("Cannot register a DeathRecipient without any incoming connections.");
+            return INVALID_OPERATION;
+        }
+    } else if constexpr (!kEnableKernelIpc) {
         LOG_ALWAYS_FATAL("Binder kernel driver disabled at build time");
         return INVALID_OPERATION;
+    } else {
+        if (ProcessState::self()->getThreadPoolMaxTotalThreadCount() == 0) {
+            ALOGW("Linking to death on %s but there are no threads (yet?) listening to incoming "
+                  "transactions. See ProcessState::startThreadPool and "
+                  "ProcessState::setThreadPoolMaxThreadCount. Generally you should setup the "
+                  "binder "
+                  "threadpool before other initialization steps.",
+                  String8(getInterfaceDescriptor()).c_str());
+        }
     }
 
     Obituary ob;
@@ -358,14 +370,6 @@
     LOG_ALWAYS_FATAL_IF(recipient == nullptr,
                         "linkToDeath(): recipient must be non-NULL");
 
-    if (ProcessState::self()->getThreadPoolMaxTotalThreadCount() == 0) {
-        ALOGW("Linking to death on %s but there are no threads (yet?) listening to incoming "
-              "transactions. See ProcessState::startThreadPool and "
-              "ProcessState::setThreadPoolMaxThreadCount. Generally you should setup the binder "
-              "threadpool before other initialization steps.",
-              String8(getInterfaceDescriptor()).c_str());
-    }
-
     {
         AutoMutex _l(mLock);
 
@@ -376,10 +380,14 @@
                     return NO_MEMORY;
                 }
                 ALOGV("Requesting death notification: %p handle %d\n", this, binderHandle());
-                getWeakRefs()->incWeak(this);
-                IPCThreadState* self = IPCThreadState::self();
-                self->requestDeathNotification(binderHandle(), this);
-                self->flushCommands();
+                if (!isRpcBinder()) {
+                    if constexpr (kEnableKernelIpc) {
+                        getWeakRefs()->incWeak(this);
+                        IPCThreadState* self = IPCThreadState::self();
+                        self->requestDeathNotification(binderHandle(), this);
+                        self->flushCommands();
+                    }
+                }
             }
             ssize_t res = mObituaries->add(ob);
             return res >= (ssize_t)NO_ERROR ? (status_t)NO_ERROR : res;
@@ -394,9 +402,7 @@
     const wp<DeathRecipient>& recipient, void* cookie, uint32_t flags,
     wp<DeathRecipient>* outRecipient)
 {
-    if (isRpcBinder()) return UNKNOWN_TRANSACTION;
-
-    if constexpr (!kEnableKernelIpc) {
+    if (!kEnableKernelIpc && !isRpcBinder()) {
         LOG_ALWAYS_FATAL("Binder kernel driver disabled at build time");
         return INVALID_OPERATION;
     }
@@ -419,9 +425,13 @@
             mObituaries->removeAt(i);
             if (mObituaries->size() == 0) {
                 ALOGV("Clearing death notification: %p handle %d\n", this, binderHandle());
-                IPCThreadState* self = IPCThreadState::self();
-                self->clearDeathNotification(binderHandle(), this);
-                self->flushCommands();
+                if (!isRpcBinder()) {
+                    if constexpr (kEnableKernelIpc) {
+                        IPCThreadState* self = IPCThreadState::self();
+                        self->clearDeathNotification(binderHandle(), this);
+                        self->flushCommands();
+                    }
+                }
                 delete mObituaries;
                 mObituaries = nullptr;
             }
@@ -434,9 +444,7 @@
 
 void BpBinder::sendObituary()
 {
-    LOG_ALWAYS_FATAL_IF(isRpcBinder(), "Cannot send obituary for remote binder.");
-
-    if constexpr (!kEnableKernelIpc) {
+    if (!kEnableKernelIpc && !isRpcBinder()) {
         LOG_ALWAYS_FATAL("Binder kernel driver disabled at build time");
         return;
     }
@@ -451,9 +459,13 @@
     Vector<Obituary>* obits = mObituaries;
     if(obits != nullptr) {
         ALOGV("Clearing sent death notification: %p handle %d\n", this, binderHandle());
-        IPCThreadState* self = IPCThreadState::self();
-        self->clearDeathNotification(binderHandle(), this);
-        self->flushCommands();
+        if (!isRpcBinder()) {
+            if constexpr (kEnableKernelIpc) {
+                IPCThreadState* self = IPCThreadState::self();
+                self->clearDeathNotification(binderHandle(), this);
+                self->flushCommands();
+            }
+        }
         mObituaries = nullptr;
     }
     mObitsSent = 1;
diff --git a/libs/binder/FdTrigger.h b/libs/binder/FdTrigger.h
index 5c7102e..a25dc11 100644
--- a/libs/binder/FdTrigger.h
+++ b/libs/binder/FdTrigger.h
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+#pragma once
 
 #include <memory>
 
diff --git a/libs/binder/RpcSession.cpp b/libs/binder/RpcSession.cpp
index 80f6a37..e6dbd79 100644
--- a/libs/binder/RpcSession.cpp
+++ b/libs/binder/RpcSession.cpp
@@ -223,6 +223,11 @@
 
     _l.unlock();
 
+    if (status_t res = state()->sendObituaries(sp<RpcSession>::fromExisting(this)); res != OK) {
+        ALOGE("Failed to send obituaries as the RpcSession is shutting down: %s",
+              statusToString(res).c_str());
+    }
+
     mRpcBinderState->clear();
 
     return true;
diff --git a/libs/binder/RpcState.cpp b/libs/binder/RpcState.cpp
index d063001..c0e36c4 100644
--- a/libs/binder/RpcState.cpp
+++ b/libs/binder/RpcState.cpp
@@ -226,6 +226,30 @@
     return OK;
 }
 
+status_t RpcState::sendObituaries(const sp<RpcSession>& session) {
+    RpcMutexUniqueLock _l(mNodeMutex);
+
+    // Gather strong pointers to all of the remote binders for this session so
+    // we hold the strong references. remoteBinder() returns a raw pointer.
+    // Send the obituaries and drop the strong pointers outside of the lock so
+    // the destructors and the onBinderDied calls are not done while locked.
+    std::vector<sp<IBinder>> remoteBinders;
+    for (const auto& [_, binderNode] : mNodeForAddress) {
+        if (auto binder = binderNode.binder.promote()) {
+            remoteBinders.push_back(std::move(binder));
+        }
+    }
+    _l.unlock();
+
+    for (const auto& binder : remoteBinders) {
+        if (binder->remoteBinder() &&
+            binder->remoteBinder()->getPrivateAccessor().rpcSession() == session) {
+            binder->remoteBinder()->sendObituary();
+        }
+    }
+    return OK;
+}
+
 size_t RpcState::countBinders() {
     RpcMutexLockGuard _l(mNodeMutex);
     return mNodeForAddress.size();
diff --git a/libs/binder/RpcState.h b/libs/binder/RpcState.h
index 892ecd6..7aab5ee 100644
--- a/libs/binder/RpcState.h
+++ b/libs/binder/RpcState.h
@@ -140,6 +140,11 @@
      */
     [[nodiscard]] status_t flushExcessBinderRefs(const sp<RpcSession>& session, uint64_t address,
                                                  const sp<IBinder>& binder);
+    /**
+     * Called when the RpcSession is shutdown.
+     * Send obituaries for each known remote binder with this session.
+     */
+    [[nodiscard]] status_t sendObituaries(const sp<RpcSession>& session);
 
     size_t countBinders();
     void dump();
diff --git a/libs/binder/RpcTransportRaw.cpp b/libs/binder/RpcTransportRaw.cpp
index 7cc58cd..51326f6 100644
--- a/libs/binder/RpcTransportRaw.cpp
+++ b/libs/binder/RpcTransportRaw.cpp
@@ -24,6 +24,7 @@
 
 #include "FdTrigger.h"
 #include "RpcState.h"
+#include "RpcTransportUtils.h"
 
 namespace android {
 
@@ -55,90 +56,6 @@
         return OK;
     }
 
-    template <typename SendOrReceive>
-    status_t interruptableReadOrWrite(
-            FdTrigger* fdTrigger, iovec* iovs, int niovs, SendOrReceive sendOrReceiveFun,
-            const char* funName, int16_t event,
-            const std::optional<android::base::function_ref<status_t()>>& altPoll) {
-        MAYBE_WAIT_IN_FLAKE_MODE;
-
-        if (niovs < 0) {
-            return BAD_VALUE;
-        }
-
-        // Since we didn't poll, we need to manually check to see if it was triggered. Otherwise, we
-        // may never know we should be shutting down.
-        if (fdTrigger->isTriggered()) {
-            return DEAD_OBJECT;
-        }
-
-        // If iovs has one or more empty vectors at the end and
-        // we somehow advance past all the preceding vectors and
-        // pass some or all of the empty ones to sendmsg/recvmsg,
-        // the call will return processSize == 0. In that case
-        // we should be returning OK but instead return DEAD_OBJECT.
-        // To avoid this problem, we make sure here that the last
-        // vector at iovs[niovs - 1] has a non-zero length.
-        while (niovs > 0 && iovs[niovs - 1].iov_len == 0) {
-            niovs--;
-        }
-        if (niovs == 0) {
-            // The vectors are all empty, so we have nothing to send.
-            return OK;
-        }
-
-        bool havePolled = false;
-        while (true) {
-            ssize_t processSize = sendOrReceiveFun(iovs, niovs);
-            if (processSize < 0) {
-                int savedErrno = errno;
-
-                // Still return the error on later passes, since it would expose
-                // a problem with polling
-                if (havePolled || (savedErrno != EAGAIN && savedErrno != EWOULDBLOCK)) {
-                    LOG_RPC_DETAIL("RpcTransport %s(): %s", funName, strerror(savedErrno));
-                    return -savedErrno;
-                }
-            } else if (processSize == 0) {
-                return DEAD_OBJECT;
-            } else {
-                while (processSize > 0 && niovs > 0) {
-                    auto& iov = iovs[0];
-                    if (static_cast<size_t>(processSize) < iov.iov_len) {
-                        // Advance the base of the current iovec
-                        iov.iov_base = reinterpret_cast<char*>(iov.iov_base) + processSize;
-                        iov.iov_len -= processSize;
-                        break;
-                    }
-
-                    // The current iovec was fully written
-                    processSize -= iov.iov_len;
-                    iovs++;
-                    niovs--;
-                }
-                if (niovs == 0) {
-                    LOG_ALWAYS_FATAL_IF(processSize > 0,
-                                        "Reached the end of iovecs "
-                                        "with %zd bytes remaining",
-                                        processSize);
-                    return OK;
-                }
-            }
-
-            if (altPoll) {
-                if (status_t status = (*altPoll)(); status != OK) return status;
-                if (fdTrigger->isTriggered()) {
-                    return DEAD_OBJECT;
-                }
-            } else {
-                if (status_t status = fdTrigger->triggerablePoll(mSocket.get(), event);
-                    status != OK)
-                    return status;
-                if (!havePolled) havePolled = true;
-            }
-        }
-    }
-
     status_t interruptableWriteFully(
             FdTrigger* fdTrigger, iovec* iovs, int niovs,
             const std::optional<android::base::function_ref<status_t()>>& altPoll,
@@ -198,7 +115,8 @@
             };
             return TEMP_FAILURE_RETRY(sendmsg(mSocket.get(), &msg, MSG_NOSIGNAL));
         };
-        return interruptableReadOrWrite(fdTrigger, iovs, niovs, send, "sendmsg", POLLOUT, altPoll);
+        return interruptableReadOrWrite(mSocket.get(), fdTrigger, iovs, niovs, send, "sendmsg",
+                                        POLLOUT, altPoll);
     }
 
     status_t interruptableReadFully(
@@ -255,7 +173,8 @@
             };
             return TEMP_FAILURE_RETRY(recvmsg(mSocket.get(), &msg, MSG_NOSIGNAL));
         };
-        return interruptableReadOrWrite(fdTrigger, iovs, niovs, recv, "recvmsg", POLLIN, altPoll);
+        return interruptableReadOrWrite(mSocket.get(), fdTrigger, iovs, niovs, recv, "recvmsg",
+                                        POLLIN, altPoll);
     }
 
 private:
diff --git a/libs/binder/RpcTransportUtils.h b/libs/binder/RpcTransportUtils.h
new file mode 100644
index 0000000..00cb2af
--- /dev/null
+++ b/libs/binder/RpcTransportUtils.h
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+#pragma once
+
+#include <android-base/unique_fd.h>
+#include <poll.h>
+
+#include "FdTrigger.h"
+#include "RpcState.h"
+
+namespace android {
+
+template <typename SendOrReceive>
+status_t interruptableReadOrWrite(
+        int socketFd, FdTrigger* fdTrigger, iovec* iovs, int niovs, SendOrReceive sendOrReceiveFun,
+        const char* funName, int16_t event,
+        const std::optional<android::base::function_ref<status_t()>>& altPoll) {
+    MAYBE_WAIT_IN_FLAKE_MODE;
+
+    if (niovs < 0) {
+        return BAD_VALUE;
+    }
+
+    // Since we didn't poll, we need to manually check to see if it was triggered. Otherwise, we
+    // may never know we should be shutting down.
+    if (fdTrigger->isTriggered()) {
+        return DEAD_OBJECT;
+    }
+
+    // If iovs has one or more empty vectors at the end and
+    // we somehow advance past all the preceding vectors and
+    // pass some or all of the empty ones to sendmsg/recvmsg,
+    // the call will return processSize == 0. In that case
+    // we should be returning OK but instead return DEAD_OBJECT.
+    // To avoid this problem, we make sure here that the last
+    // vector at iovs[niovs - 1] has a non-zero length.
+    while (niovs > 0 && iovs[niovs - 1].iov_len == 0) {
+        niovs--;
+    }
+    if (niovs == 0) {
+        // The vectors are all empty, so we have nothing to send.
+        return OK;
+    }
+
+    bool havePolled = false;
+    while (true) {
+        ssize_t processSize = sendOrReceiveFun(iovs, niovs);
+        if (processSize < 0) {
+            int savedErrno = errno;
+
+            // Still return the error on later passes, since it would expose
+            // a problem with polling
+            if (havePolled || (savedErrno != EAGAIN && savedErrno != EWOULDBLOCK)) {
+                LOG_RPC_DETAIL("RpcTransport %s(): %s", funName, strerror(savedErrno));
+                return -savedErrno;
+            }
+        } else if (processSize == 0) {
+            return DEAD_OBJECT;
+        } else {
+            while (processSize > 0 && niovs > 0) {
+                auto& iov = iovs[0];
+                if (static_cast<size_t>(processSize) < iov.iov_len) {
+                    // Advance the base of the current iovec
+                    iov.iov_base = reinterpret_cast<char*>(iov.iov_base) + processSize;
+                    iov.iov_len -= processSize;
+                    break;
+                }
+
+                // The current iovec was fully written
+                processSize -= iov.iov_len;
+                iovs++;
+                niovs--;
+            }
+            if (niovs == 0) {
+                LOG_ALWAYS_FATAL_IF(processSize > 0,
+                                    "Reached the end of iovecs "
+                                    "with %zd bytes remaining",
+                                    processSize);
+                return OK;
+            }
+        }
+
+        if (altPoll) {
+            if (status_t status = (*altPoll)(); status != OK) return status;
+            if (fdTrigger->isTriggered()) {
+                return DEAD_OBJECT;
+            }
+        } else {
+            if (status_t status = fdTrigger->triggerablePoll(socketFd, event); status != OK)
+                return status;
+            if (!havePolled) havePolled = true;
+        }
+    }
+}
+
+} // namespace android
diff --git a/libs/binder/ndk/libbinder_ndk.map.txt b/libs/binder/ndk/libbinder_ndk.map.txt
index f3f2886..6bc9814 100644
--- a/libs/binder/ndk/libbinder_ndk.map.txt
+++ b/libs/binder/ndk/libbinder_ndk.map.txt
@@ -89,12 +89,12 @@
     AStatus_getStatus;
     AStatus_isOk;
     AStatus_newOk;
-    ABinderProcess_joinThreadPool; # apex llndk
-    ABinderProcess_setThreadPoolMaxThreadCount; # apex llndk
-    ABinderProcess_startThreadPool; # apex llndk
-    AServiceManager_addService; # apex llndk
-    AServiceManager_checkService; # apex llndk
-    AServiceManager_getService; # apex llndk
+    ABinderProcess_joinThreadPool; # systemapi llndk
+    ABinderProcess_setThreadPoolMaxThreadCount; # systemapi llndk
+    ABinderProcess_startThreadPool; # systemapi llndk
+    AServiceManager_addService; # systemapi llndk
+    AServiceManager_checkService; # systemapi llndk
+    AServiceManager_getService; # systemapi llndk
 };
 
 LIBBINDER_NDK30 { # introduced=30
@@ -105,30 +105,30 @@
     AStatus_deleteDescription;
     AParcel_fromJavaParcel;
 
-    AIBinder_markSystemStability; # apex
+    AIBinder_markSystemStability; # systemapi
     AIBinder_markVendorStability; # llndk
-    AIBinder_markVintfStability; # apex llndk
-    AIBinder_Class_setHandleShellCommand; # apex llndk
+    AIBinder_markVintfStability; # systemapi llndk
+    AIBinder_Class_setHandleShellCommand; # systemapi llndk
 };
 
 LIBBINDER_NDK31 { # introduced=31
   global:
-    ABinderProcess_handlePolledCommands; # apex
-    ABinderProcess_setupPolling; # apex
-    AIBinder_getCallingSid; # apex
-    AIBinder_setRequestingSid; # apex
+    ABinderProcess_handlePolledCommands; # systemapi
+    ABinderProcess_setupPolling; # systemapi
+    AIBinder_getCallingSid; # systemapi
+    AIBinder_setRequestingSid; # systemapi
     AParcel_markSensitive; # systemapi llndk
-    AServiceManager_forEachDeclaredInstance; # apex llndk
-    AServiceManager_forceLazyServicesPersist; # apex llndk
-    AServiceManager_isDeclared; # apex llndk
-    AServiceManager_isUpdatableViaApex; # apex
+    AServiceManager_forEachDeclaredInstance; # systemapi llndk
+    AServiceManager_forceLazyServicesPersist; # systemapi llndk
+    AServiceManager_isDeclared; # systemapi llndk
+    AServiceManager_isUpdatableViaApex; # systemapi
     AServiceManager_reRegister; # llndk
-    AServiceManager_registerLazyService; # apex llndk
+    AServiceManager_registerLazyService; # systemapi llndk
     AServiceManager_setActiveServicesCallback; # llndk
     AServiceManager_tryUnregister; # llndk
-    AServiceManager_waitForService; # apex llndk
+    AServiceManager_waitForService; # systemapi llndk
 
-    AIBinder_forceDowngradeToSystemStability; # apex
+    AIBinder_forceDowngradeToSystemStability; # systemapi
     AIBinder_forceDowngradeToVendorStability; # llndk
 
     AIBinder_Class_getDescriptor;
@@ -146,8 +146,8 @@
     AIBinder_Class_disableInterfaceTokenHeader;
     AIBinder_DeathRecipient_setOnUnlinked;
     AIBinder_isHandlingTransaction;
-    AIBinder_setInheritRt; # apex llndk
-    AIBinder_setMinSchedulerPolicy; # apex llndk
+    AIBinder_setInheritRt; # systemapi llndk
+    AIBinder_setMinSchedulerPolicy; # systemapi llndk
     AParcel_marshal;
     AParcel_unmarshal;
 };
diff --git a/libs/binder/rust/binder_tokio/lib.rs b/libs/binder/rust/binder_tokio/lib.rs
index 9dcef42..2d2bf7c 100644
--- a/libs/binder/rust/binder_tokio/lib.rs
+++ b/libs/binder/rust/binder_tokio/lib.rs
@@ -28,22 +28,22 @@
 //!
 //! [`Tokio`]: crate::Tokio
 
-use binder::{BinderAsyncPool, BoxFuture, FromIBinder, StatusCode, Strong};
 use binder::binder_impl::BinderAsyncRuntime;
+use binder::{BinderAsyncPool, BoxFuture, FromIBinder, StatusCode, Strong};
 use std::future::Future;
 
 /// Retrieve an existing service for a particular interface, sleeping for a few
 /// seconds if it doesn't yet exist.
-pub async fn get_interface<T: FromIBinder + ?Sized + 'static>(name: &str) -> Result<Strong<T>, StatusCode> {
+pub async fn get_interface<T: FromIBinder + ?Sized + 'static>(
+    name: &str,
+) -> Result<Strong<T>, StatusCode> {
     if binder::is_handling_transaction() {
         // See comment in the BinderAsyncPool impl.
         return binder::get_interface::<T>(name);
     }
 
     let name = name.to_string();
-    let res = tokio::task::spawn_blocking(move || {
-        binder::get_interface::<T>(&name)
-    }).await;
+    let res = tokio::task::spawn_blocking(move || binder::get_interface::<T>(&name)).await;
 
     // The `is_panic` branch is not actually reachable in Android as we compile
     // with `panic = abort`.
@@ -58,16 +58,16 @@
 
 /// Retrieve an existing service for a particular interface, or start it if it
 /// is configured as a dynamic service and isn't yet started.
-pub async fn wait_for_interface<T: FromIBinder + ?Sized + 'static>(name: &str) -> Result<Strong<T>, StatusCode> {
+pub async fn wait_for_interface<T: FromIBinder + ?Sized + 'static>(
+    name: &str,
+) -> Result<Strong<T>, StatusCode> {
     if binder::is_handling_transaction() {
         // See comment in the BinderAsyncPool impl.
         return binder::wait_for_interface::<T>(name);
     }
 
     let name = name.to_string();
-    let res = tokio::task::spawn_blocking(move || {
-        binder::wait_for_interface::<T>(&name)
-    }).await;
+    let res = tokio::task::spawn_blocking(move || binder::wait_for_interface::<T>(&name)).await;
 
     // The `is_panic` branch is not actually reachable in Android as we compile
     // with `panic = abort`.
diff --git a/libs/binder/rust/src/binder.rs b/libs/binder/rust/src/binder.rs
index 5d6206d..63c8684 100644
--- a/libs/binder/rust/src/binder.rs
+++ b/libs/binder/rust/src/binder.rs
@@ -17,7 +17,7 @@
 //! Trait definitions for binder objects
 
 use crate::error::{status_t, Result, StatusCode};
-use crate::parcel::{Parcel, BorrowedParcel};
+use crate::parcel::{BorrowedParcel, Parcel};
 use crate::proxy::{DeathRecipient, SpIBinder, WpIBinder};
 use crate::sys;
 
@@ -133,7 +133,7 @@
         match stability {
             0 => Ok(Local),
             1 => Ok(Vintf),
-            _ => Err(StatusCode::BAD_VALUE)
+            _ => Err(StatusCode::BAD_VALUE),
         }
     }
 }
@@ -158,7 +158,12 @@
     /// Handle and reply to a request to invoke a transaction on this object.
     ///
     /// `reply` may be [`None`] if the sender does not expect a reply.
-    fn on_transact(&self, code: TransactionCode, data: &BorrowedParcel<'_>, reply: &mut BorrowedParcel<'_>) -> Result<()>;
+    fn on_transact(
+        &self,
+        code: TransactionCode,
+        data: &BorrowedParcel<'_>,
+        reply: &mut BorrowedParcel<'_>,
+    ) -> Result<()>;
 
     /// Handle a request to invoke the dump transaction on this
     /// object.
@@ -454,28 +459,19 @@
     /// Construct a new weak reference from a strong reference
     fn new(binder: &Strong<I>) -> Self {
         let weak_binder = binder.as_binder().downgrade();
-        Weak {
-            weak_binder,
-            interface_type: PhantomData,
-        }
+        Weak { weak_binder, interface_type: PhantomData }
     }
 
     /// Upgrade this weak reference to a strong reference if the binder object
     /// is still alive
     pub fn upgrade(&self) -> Result<Strong<I>> {
-        self.weak_binder
-            .promote()
-            .ok_or(StatusCode::DEAD_OBJECT)
-            .and_then(FromIBinder::try_from)
+        self.weak_binder.promote().ok_or(StatusCode::DEAD_OBJECT).and_then(FromIBinder::try_from)
     }
 }
 
 impl<I: FromIBinder + ?Sized> Clone for Weak<I> {
     fn clone(&self) -> Self {
-        Self {
-            weak_binder: self.weak_binder.clone(),
-            interface_type: PhantomData,
-        }
+        Self { weak_binder: self.weak_binder.clone(), interface_type: PhantomData }
     }
 }
 
@@ -614,7 +610,12 @@
     /// contains a `T` pointer in its user data. fd should be a non-owned file
     /// descriptor, and args must be an array of null-terminated string
     /// poiinters with length num_args.
-    unsafe extern "C" fn on_dump(binder: *mut sys::AIBinder, fd: i32, args: *mut *const c_char, num_args: u32) -> status_t;
+    unsafe extern "C" fn on_dump(
+        binder: *mut sys::AIBinder,
+        fd: i32,
+        args: *mut *const c_char,
+        num_args: u32,
+    ) -> status_t;
 }
 
 /// Interface for transforming a generic SpIBinder into a specific remote
diff --git a/libs/binder/rust/src/binder_async.rs b/libs/binder/rust/src/binder_async.rs
index 579f9f9..d90acaf 100644
--- a/libs/binder/rust/src/binder_async.rs
+++ b/libs/binder/rust/src/binder_async.rs
@@ -41,7 +41,10 @@
     /// boxed `Future` trait object, and including `after_spawn` in the trait function
     /// allows the caller to avoid double-boxing if they want to do anything to the value
     /// returned from the spawned thread.
-    fn spawn<'a, F1, F2, Fut, A, B, E>(spawn_me: F1, after_spawn: F2) -> BoxFuture<'a, Result<B, E>>
+    fn spawn<'a, F1, F2, Fut, A, B, E>(
+        spawn_me: F1,
+        after_spawn: F2,
+    ) -> BoxFuture<'a, Result<B, E>>
     where
         F1: FnOnce() -> A,
         F2: FnOnce(A) -> Fut,
diff --git a/libs/binder/rust/src/lib.rs b/libs/binder/rust/src/lib.rs
index dbfb1c2..67872a9 100644
--- a/libs/binder/rust/src/lib.rs
+++ b/libs/binder/rust/src/lib.rs
@@ -106,8 +106,8 @@
 
 use binder_ndk_sys as sys;
 
-pub use binder::{BinderFeatures, FromIBinder, IBinder, Interface, Strong, Weak};
 pub use crate::binder_async::{BinderAsyncPool, BoxFuture};
+pub use binder::{BinderFeatures, FromIBinder, IBinder, Interface, Strong, Weak};
 pub use error::{ExceptionCode, Status, StatusCode};
 pub use native::{
     add_service, force_lazy_services_persist, is_handling_transaction, register_lazy_service,
diff --git a/libs/binder/rust/src/native.rs b/libs/binder/rust/src/native.rs
index 3edeebf..9e2cef1 100644
--- a/libs/binder/rust/src/native.rs
+++ b/libs/binder/rust/src/native.rs
@@ -97,10 +97,7 @@
             // ends.
             sys::AIBinder_new(class.into(), rust_object as *mut c_void)
         };
-        let mut binder = Binder {
-            ibinder,
-            rust_object,
-        };
+        let mut binder = Binder { ibinder, rust_object };
         binder.mark_stability(stability);
         binder
     }
@@ -343,7 +340,9 @@
             vec![]
         } else {
             slice::from_raw_parts(args, num_args as usize)
-                .iter().map(|s| CStr::from_ptr(*s)).collect()
+                .iter()
+                .map(|s| CStr::from_ptr(*s))
+                .collect()
         };
 
         let object = sys::AIBinder_getUserData(binder);
@@ -418,10 +417,7 @@
         // We are transferring the ownership of the AIBinder into the new Binder
         // object.
         let mut ibinder = ManuallyDrop::new(ibinder);
-        Ok(Binder {
-            ibinder: ibinder.as_native_mut(),
-            rust_object: userdata as *mut B,
-        })
+        Ok(Binder { ibinder: ibinder.as_native_mut(), rust_object: userdata as *mut B })
     }
 }
 
diff --git a/libs/binder/rust/src/parcel.rs b/libs/binder/rust/src/parcel.rs
index 256fa8b..53a24af 100644
--- a/libs/binder/rust/src/parcel.rs
+++ b/libs/binder/rust/src/parcel.rs
@@ -22,10 +22,10 @@
 use crate::sys;
 
 use std::convert::TryInto;
+use std::fmt;
 use std::marker::PhantomData;
 use std::mem::ManuallyDrop;
 use std::ptr::{self, NonNull};
-use std::fmt;
 
 mod file_descriptor;
 mod parcelable;
@@ -33,8 +33,8 @@
 
 pub use self::file_descriptor::ParcelFileDescriptor;
 pub use self::parcelable::{
-    Deserialize, DeserializeArray, DeserializeOption, Serialize, SerializeArray, SerializeOption,
-    Parcelable, NON_NULL_PARCELABLE_FLAG, NULL_PARCELABLE_FLAG,
+    Deserialize, DeserializeArray, DeserializeOption, Parcelable, Serialize, SerializeArray,
+    SerializeOption, NON_NULL_PARCELABLE_FLAG, NULL_PARCELABLE_FLAG,
 };
 pub use self::parcelable_holder::{ParcelableHolder, ParcelableMetadata};
 
@@ -78,9 +78,7 @@
             // a valid pointer. If it fails, the process will crash.
             sys::AParcel_create()
         };
-        Self {
-            ptr: NonNull::new(ptr).expect("AParcel_create returned null pointer")
-        }
+        Self { ptr: NonNull::new(ptr).expect("AParcel_create returned null pointer") }
     }
 
     /// Create an owned reference to a parcel object from a raw pointer.
@@ -116,10 +114,7 @@
         // lifetime of the returned `BorrowedParcel` is tied to `self`, so the
         // borrow checker will ensure that the `AParcel` can only be accessed
         // via the `BorrowParcel` until it goes out of scope.
-        BorrowedParcel {
-            ptr: self.ptr,
-            _lifetime: PhantomData,
-        }
+        BorrowedParcel { ptr: self.ptr, _lifetime: PhantomData }
     }
 
     /// Get an immutable borrowed view into the contents of this `Parcel`.
@@ -127,9 +122,7 @@
         // Safety: Parcel and BorrowedParcel are both represented in the same
         // way as a NonNull<sys::AParcel> due to their use of repr(transparent),
         // so casting references as done here is valid.
-        unsafe {
-            &*(self as *const Parcel as *const BorrowedParcel<'_>)
-        }
+        unsafe { &*(self as *const Parcel as *const BorrowedParcel<'_>) }
     }
 }
 
@@ -165,10 +158,7 @@
     /// since this is a mutable borrow, it must have exclusive access to the
     /// AParcel for the duration of the borrow.
     pub unsafe fn from_raw(ptr: *mut sys::AParcel) -> Option<BorrowedParcel<'a>> {
-        Some(Self {
-            ptr: NonNull::new(ptr)?,
-            _lifetime: PhantomData,
-        })
+        Some(Self { ptr: NonNull::new(ptr)?, _lifetime: PhantomData })
     }
 
     /// Get a sub-reference to this reference to the parcel.
@@ -177,10 +167,7 @@
         // lifetime of the returned `BorrowedParcel` is tied to `self`, so the
         // borrow checker will ensure that the `AParcel` can only be accessed
         // via the `BorrowParcel` until it goes out of scope.
-        BorrowedParcel {
-            ptr: self.ptr,
-            _lifetime: PhantomData,
-        }
+        BorrowedParcel { ptr: self.ptr, _lifetime: PhantomData }
     }
 }
 
@@ -269,7 +256,7 @@
     /// ```
     pub fn sized_write<F>(&mut self, f: F) -> Result<()>
     where
-        for<'b> F: FnOnce(&'b mut WritableSubParcel<'b>) -> Result<()>
+        for<'b> F: FnOnce(&'b mut WritableSubParcel<'b>) -> Result<()>,
     {
         let start = self.get_data_position();
         self.write(&0i32)?;
@@ -324,17 +311,17 @@
     ///
     /// This appends `size` bytes of data from `other` starting at offset
     /// `start` to the current parcel, or returns an error if not possible.
-    pub fn append_from(&mut self, other: &impl AsNative<sys::AParcel>, start: i32, size: i32) -> Result<()> {
+    pub fn append_from(
+        &mut self,
+        other: &impl AsNative<sys::AParcel>,
+        start: i32,
+        size: i32,
+    ) -> Result<()> {
         let status = unsafe {
             // Safety: `Parcel::appendFrom` from C++ checks that `start`
             // and `size` are in bounds, and returns an error otherwise.
             // Both `self` and `other` always contain valid pointers.
-            sys::AParcel_appendFrom(
-                other.as_native(),
-                self.as_native_mut(),
-                start,
-                size,
-            )
+            sys::AParcel_appendFrom(other.as_native(), self.as_native_mut(), start, size)
         };
         status_result(status)
     }
@@ -406,7 +393,7 @@
     /// ```
     pub fn sized_write<F>(&mut self, f: F) -> Result<()>
     where
-        for<'b> F: FnOnce(&'b mut WritableSubParcel<'b>) -> Result<()>
+        for<'b> F: FnOnce(&'b mut WritableSubParcel<'b>) -> Result<()>,
     {
         self.borrowed().sized_write(f)
     }
@@ -438,7 +425,12 @@
     ///
     /// This appends `size` bytes of data from `other` starting at offset
     /// `start` to the current parcel, or returns an error if not possible.
-    pub fn append_from(&mut self, other: &impl AsNative<sys::AParcel>, start: i32, size: i32) -> Result<()> {
+    pub fn append_from(
+        &mut self,
+        other: &impl AsNative<sys::AParcel>,
+        start: i32,
+        size: i32,
+    ) -> Result<()> {
         self.borrowed().append_from(other, start, size)
     }
 
@@ -492,7 +484,7 @@
     ///
     pub fn sized_read<F>(&self, f: F) -> Result<()>
     where
-        for<'b> F: FnOnce(ReadableSubParcel<'b>) -> Result<()>
+        for<'b> F: FnOnce(ReadableSubParcel<'b>) -> Result<()>,
     {
         let start = self.get_data_position();
         let parcelable_size: i32 = self.read()?;
@@ -500,17 +492,13 @@
             return Err(StatusCode::BAD_VALUE);
         }
 
-        let end = start.checked_add(parcelable_size)
-            .ok_or(StatusCode::BAD_VALUE)?;
+        let end = start.checked_add(parcelable_size).ok_or(StatusCode::BAD_VALUE)?;
         if end > self.get_data_size() {
             return Err(StatusCode::NOT_ENOUGH_DATA);
         }
 
         let subparcel = ReadableSubParcel {
-            parcel: BorrowedParcel {
-                ptr: self.ptr,
-                _lifetime: PhantomData,
-            },
+            parcel: BorrowedParcel { ptr: self.ptr, _lifetime: PhantomData },
             end_position: end,
         };
         f(subparcel)?;
@@ -633,7 +621,7 @@
     ///
     pub fn sized_read<F>(&self, f: F) -> Result<()>
     where
-        for<'b> F: FnOnce(ReadableSubParcel<'b>) -> Result<()>
+        for<'b> F: FnOnce(ReadableSubParcel<'b>) -> Result<()>,
     {
         self.borrowed_ref().sized_read(f)
     }
@@ -716,15 +704,13 @@
 
 impl fmt::Debug for Parcel {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        f.debug_struct("Parcel")
-            .finish()
+        f.debug_struct("Parcel").finish()
     }
 }
 
 impl<'a> fmt::Debug for BorrowedParcel<'a> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        f.debug_struct("BorrowedParcel")
-            .finish()
+        f.debug_struct("BorrowedParcel").finish()
     }
 }
 
@@ -813,10 +799,7 @@
         assert!(parcel.set_data_position(start).is_ok());
     }
 
-    assert_eq!(
-        parcel.read::<f32>().unwrap(),
-        1143139100000000000000000000.0
-    );
+    assert_eq!(parcel.read::<f32>().unwrap(), 1143139100000000000000000000.0);
     assert_eq!(parcel.read::<f32>().unwrap(), 40.043392);
 
     unsafe {
@@ -842,10 +825,7 @@
     unsafe {
         assert!(parcel.set_data_position(start).is_ok());
     }
-    assert_eq!(
-        parcel.read::<Option<String>>().unwrap().unwrap(),
-        "Hello, Binder!",
-    );
+    assert_eq!(parcel.read::<Option<String>>().unwrap().unwrap(), "Hello, Binder!",);
     unsafe {
         assert!(parcel.set_data_position(start).is_ok());
     }
@@ -864,13 +844,7 @@
 
     assert!(parcel.write(&["str1", "str2", "str3"][..]).is_ok());
     assert!(parcel
-        .write(
-            &[
-                String::from("str4"),
-                String::from("str5"),
-                String::from("str6"),
-            ][..]
-        )
+        .write(&[String::from("str4"), String::from("str5"), String::from("str6"),][..])
         .is_ok());
 
     let s1 = "Hello, Binder!";
@@ -882,14 +856,8 @@
         assert!(parcel.set_data_position(start).is_ok());
     }
 
-    assert_eq!(
-        parcel.read::<Vec<String>>().unwrap(),
-        ["str1", "str2", "str3"]
-    );
-    assert_eq!(
-        parcel.read::<Vec<String>>().unwrap(),
-        ["str4", "str5", "str6"]
-    );
+    assert_eq!(parcel.read::<Vec<String>>().unwrap(), ["str1", "str2", "str3"]);
+    assert_eq!(parcel.read::<Vec<String>>().unwrap(), ["str4", "str5", "str6"]);
     assert_eq!(parcel.read::<Vec<String>>().unwrap(), [s1, s2, s3]);
 }
 
@@ -900,9 +868,9 @@
 
     let arr = [1i32, 2i32, 3i32];
 
-    parcel.sized_write(|subparcel| {
-        subparcel.write(&arr[..])
-    }).expect("Could not perform sized write");
+    parcel
+        .sized_write(|subparcel| subparcel.write(&arr[..]))
+        .expect("Could not perform sized write");
 
     // i32 sub-parcel length + i32 array length + 3 i32 elements
     let expected_len = 20i32;
@@ -913,15 +881,9 @@
         parcel.set_data_position(start).unwrap();
     }
 
-    assert_eq!(
-        expected_len,
-        parcel.read().unwrap(),
-    );
+    assert_eq!(expected_len, parcel.read().unwrap(),);
 
-    assert_eq!(
-        parcel.read::<Vec<i32>>().unwrap(),
-        &arr,
-    );
+    assert_eq!(parcel.read::<Vec<i32>>().unwrap(), &arr,);
 }
 
 #[test]
diff --git a/libs/binder/rust/src/parcel/file_descriptor.rs b/libs/binder/rust/src/parcel/file_descriptor.rs
index 4d3d59a..de6d649 100644
--- a/libs/binder/rust/src/parcel/file_descriptor.rs
+++ b/libs/binder/rust/src/parcel/file_descriptor.rs
@@ -15,7 +15,7 @@
  */
 
 use super::{
-    Deserialize, DeserializeArray, DeserializeOption, BorrowedParcel, Serialize, SerializeArray,
+    BorrowedParcel, Deserialize, DeserializeArray, DeserializeOption, Serialize, SerializeArray,
     SerializeOption,
 };
 use crate::binder::AsNative;
@@ -115,10 +115,7 @@
             // descriptor. The read function passes ownership of the file
             // descriptor to its caller if it was non-null, so we must take
             // ownership of the file and ensure that it is eventually closed.
-            status_result(sys::AParcel_readParcelFileDescriptor(
-                parcel.as_native(),
-                &mut fd,
-            ))?;
+            status_result(sys::AParcel_readParcelFileDescriptor(parcel.as_native(), &mut fd))?;
         }
         if fd < 0 {
             Ok(None)
@@ -136,9 +133,7 @@
 
 impl Deserialize for ParcelFileDescriptor {
     fn deserialize(parcel: &BorrowedParcel<'_>) -> Result<Self> {
-        Deserialize::deserialize(parcel)
-            .transpose()
-            .unwrap_or(Err(StatusCode::UNEXPECTED_NULL))
+        Deserialize::deserialize(parcel).transpose().unwrap_or(Err(StatusCode::UNEXPECTED_NULL))
     }
 }
 
diff --git a/libs/binder/rust/src/parcel/parcelable.rs b/libs/binder/rust/src/parcel/parcelable.rs
index 0c7e48d..c241e4d 100644
--- a/libs/binder/rust/src/parcel/parcelable.rs
+++ b/libs/binder/rust/src/parcel/parcelable.rs
@@ -22,8 +22,8 @@
 
 use std::convert::{TryFrom, TryInto};
 use std::ffi::c_void;
+use std::mem::{self, ManuallyDrop, MaybeUninit};
 use std::os::raw::{c_char, c_ulong};
-use std::mem::{self, MaybeUninit, ManuallyDrop};
 use std::ptr;
 use std::slice;
 
@@ -109,17 +109,14 @@
     // so the function signature matches what bindgen generates.
     let index = index as usize;
 
-    let slice: &[T] = slice::from_raw_parts(array.cast(), index+1);
+    let slice: &[T] = slice::from_raw_parts(array.cast(), index + 1);
 
     let mut parcel = match BorrowedParcel::from_raw(parcel) {
         None => return StatusCode::UNEXPECTED_NULL as status_t,
         Some(p) => p,
     };
 
-    slice[index].serialize(&mut parcel)
-                .err()
-                .unwrap_or(StatusCode::OK)
-        as status_t
+    slice[index].serialize(&mut parcel).err().unwrap_or(StatusCode::OK) as status_t
 }
 
 /// Helper trait for types that can be deserialized as arrays.
@@ -265,10 +262,7 @@
 ///
 /// The opaque data pointer passed to the array read function must be a mutable
 /// pointer to an `Option<Vec<MaybeUninit<T>>>`.
-unsafe extern "C" fn allocate_vec<T>(
-    data: *mut c_void,
-    len: i32,
-) -> bool {
+unsafe extern "C" fn allocate_vec<T>(data: *mut c_void, len: i32) -> bool {
     let vec = &mut *(data as *mut Option<Vec<MaybeUninit<T>>>);
     if len < 0 {
         *vec = None;
@@ -286,7 +280,6 @@
     true
 }
 
-
 macro_rules! parcelable_primitives {
     {
         $(
@@ -303,11 +296,7 @@
     // has the same alignment and size as T, so the pointer to the vector
     // allocation will be compatible.
     let mut vec = ManuallyDrop::new(vec);
-    Vec::from_raw_parts(
-        vec.as_mut_ptr().cast(),
-        vec.len(),
-        vec.capacity(),
-    )
+    Vec::from_raw_parts(vec.as_mut_ptr().cast(), vec.len(), vec.capacity())
 }
 
 macro_rules! impl_parcelable {
@@ -522,11 +511,7 @@
                 // `AParcel`. If the string pointer is null,
                 // `AParcel_writeString` requires that the length is -1 to
                 // indicate that we want to serialize a null string.
-                status_result(sys::AParcel_writeString(
-                    parcel.as_native_mut(),
-                    ptr::null(),
-                    -1,
-                ))
+                status_result(sys::AParcel_writeString(parcel.as_native_mut(), ptr::null(), -1))
             },
             Some(s) => unsafe {
                 // Safety: `Parcel` always contains a valid pointer to an
@@ -540,10 +525,7 @@
                 status_result(sys::AParcel_writeString(
                     parcel.as_native_mut(),
                     s.as_ptr() as *const c_char,
-                    s.as_bytes()
-                        .len()
-                        .try_into()
-                        .or(Err(StatusCode::BAD_VALUE))?,
+                    s.as_bytes().len().try_into().or(Err(StatusCode::BAD_VALUE))?,
                 ))
             },
         }
@@ -602,9 +584,7 @@
 
 impl Deserialize for String {
     fn deserialize(parcel: &BorrowedParcel<'_>) -> Result<Self> {
-        Deserialize::deserialize(parcel)
-            .transpose()
-            .unwrap_or(Err(StatusCode::UNEXPECTED_NULL))
+        Deserialize::deserialize(parcel).transpose().unwrap_or(Err(StatusCode::UNEXPECTED_NULL))
     }
 }
 
@@ -704,10 +684,7 @@
             // and `Status` always contains a valid pointer to an `AStatus`, so
             // both parameters are valid and safe. This call does not take
             // ownership of either of its parameters.
-            status_result(sys::AParcel_writeStatusHeader(
-                parcel.as_native_mut(),
-                self.as_native(),
-            ))
+            status_result(sys::AParcel_writeStatusHeader(parcel.as_native_mut(), self.as_native()))
         }
     }
 }
@@ -881,8 +858,7 @@
                     Ok(())
                 } else {
                     use $crate::Parcelable;
-                    this.get_or_insert_with(Self::default)
-                        .read_from_parcel(parcel)
+                    this.get_or_insert_with(Self::default).read_from_parcel(parcel)
                 }
             }
         }
@@ -915,8 +891,8 @@
 
 #[cfg(test)]
 mod tests {
-    use crate::parcel::Parcel;
     use super::*;
+    use crate::parcel::Parcel;
 
     #[test]
     fn test_custom_parcelable() {
@@ -934,11 +910,11 @@
         impl Deserialize for Custom {
             fn deserialize(parcel: &BorrowedParcel<'_>) -> Result<Self> {
                 Ok(Custom(
-                        parcel.read()?,
-                        parcel.read()?,
-                        parcel.read()?,
-                        parcel.read::<Option<Vec<String>>>()?.unwrap(),
-                        ))
+                    parcel.read()?,
+                    parcel.read()?,
+                    parcel.read()?,
+                    parcel.read::<Option<Vec<String>>>()?.unwrap(),
+                ))
             }
         }
 
@@ -1157,12 +1133,7 @@
 
         assert_eq!(vec, [i64::max_value(), i64::min_value(), 42, -117]);
 
-        let f32s = [
-            std::f32::NAN,
-            std::f32::INFINITY,
-            1.23456789,
-            std::f32::EPSILON,
-        ];
+        let f32s = [std::f32::NAN, std::f32::INFINITY, 1.23456789, std::f32::EPSILON];
 
         unsafe {
             assert!(parcel.set_data_position(start).is_ok());
@@ -1178,12 +1149,7 @@
         assert!(vec[0].is_nan());
         assert_eq!(vec[1..], f32s[1..]);
 
-        let f64s = [
-            std::f64::NAN,
-            std::f64::INFINITY,
-            1.234567890123456789,
-            std::f64::EPSILON,
-        ];
+        let f64s = [std::f64::NAN, std::f64::INFINITY, 1.234567890123456789, std::f64::EPSILON];
 
         unsafe {
             assert!(parcel.set_data_position(start).is_ok());
diff --git a/libs/binder/rust/src/parcel/parcelable_holder.rs b/libs/binder/rust/src/parcel/parcelable_holder.rs
index 432da5d..c829d37 100644
--- a/libs/binder/rust/src/parcel/parcelable_holder.rs
+++ b/libs/binder/rust/src/parcel/parcelable_holder.rs
@@ -48,10 +48,7 @@
 #[derive(Debug, Clone)]
 enum ParcelableHolderData {
     Empty,
-    Parcelable {
-        parcelable: Arc<dyn AnyParcelable>,
-        name: String,
-    },
+    Parcelable { parcelable: Arc<dyn AnyParcelable>, name: String },
     Parcel(Parcel),
 }
 
@@ -77,10 +74,7 @@
 impl ParcelableHolder {
     /// Construct a new `ParcelableHolder` with the given stability.
     pub fn new(stability: Stability) -> Self {
-        Self {
-            data: Mutex::new(ParcelableHolderData::Empty),
-            stability,
-        }
+        Self { data: Mutex::new(ParcelableHolderData::Empty), stability }
     }
 
     /// Reset the contents of this `ParcelableHolder`.
@@ -101,10 +95,8 @@
             return Err(StatusCode::BAD_VALUE);
         }
 
-        *self.data.get_mut().unwrap() = ParcelableHolderData::Parcelable {
-            parcelable: p,
-            name: T::get_descriptor().into(),
-        };
+        *self.data.get_mut().unwrap() =
+            ParcelableHolderData::Parcelable { parcelable: p, name: T::get_descriptor().into() };
 
         Ok(())
     }
@@ -130,10 +122,7 @@
         let mut data = self.data.lock().unwrap();
         match *data {
             ParcelableHolderData::Empty => Ok(None),
-            ParcelableHolderData::Parcelable {
-                ref parcelable,
-                ref name,
-            } => {
+            ParcelableHolderData::Parcelable { ref parcelable, ref name } => {
                 if name != parcelable_desc {
                     return Err(StatusCode::BAD_VALUE);
                 }
@@ -199,10 +188,7 @@
         let mut data = self.data.lock().unwrap();
         match *data {
             ParcelableHolderData::Empty => parcel.write(&0i32),
-            ParcelableHolderData::Parcelable {
-                ref parcelable,
-                ref name,
-            } => {
+            ParcelableHolderData::Parcelable { ref parcelable, ref name } => {
                 let length_start = parcel.get_data_position();
                 parcel.write(&0i32)?;
 
@@ -251,9 +237,7 @@
         // TODO: C++ ParcelableHolder accepts sizes up to SIZE_MAX here, but we
         // only go up to i32::MAX because that's what our API uses everywhere
         let data_start = parcel.get_data_position();
-        let data_end = data_start
-            .checked_add(data_size)
-            .ok_or(StatusCode::BAD_VALUE)?;
+        let data_end = data_start.checked_add(data_size).ok_or(StatusCode::BAD_VALUE)?;
 
         let mut new_parcel = Parcel::new();
         new_parcel.append_from(parcel, data_start, data_size)?;
diff --git a/libs/binder/rust/src/proxy.rs b/libs/binder/rust/src/proxy.rs
index 4df557b..862fc2a 100644
--- a/libs/binder/rust/src/proxy.rs
+++ b/libs/binder/rust/src/proxy.rs
@@ -22,7 +22,8 @@
 };
 use crate::error::{status_result, Result, StatusCode};
 use crate::parcel::{
-    Parcel, BorrowedParcel, Deserialize, DeserializeArray, DeserializeOption, Serialize, SerializeArray, SerializeOption,
+    BorrowedParcel, Deserialize, DeserializeArray, DeserializeOption, Parcel, Serialize,
+    SerializeArray, SerializeOption,
 };
 use crate::sys;
 
@@ -431,10 +432,7 @@
 
 impl Deserialize for SpIBinder {
     fn deserialize(parcel: &BorrowedParcel<'_>) -> Result<SpIBinder> {
-        parcel
-            .read_binder()
-            .transpose()
-            .unwrap_or(Err(StatusCode::UNEXPECTED_NULL))
+        parcel.read_binder().transpose().unwrap_or(Err(StatusCode::UNEXPECTED_NULL))
     }
 }
 
@@ -563,6 +561,9 @@
 /// The cookie in this struct represents an Arc<F> for the owned callback.
 /// This struct owns a ref-count of it, and so does every binder that we
 /// have been linked with.
+///
+/// Dropping the `DeathRecipient` will `unlink_to_death` any binders it is
+/// currently linked to.
 #[repr(C)]
 pub struct DeathRecipient {
     recipient: *mut sys::AIBinder_DeathRecipient,
@@ -610,7 +611,10 @@
             //
             // All uses of linkToDeath in this file correctly increment the
             // ref-count that this onUnlinked callback will decrement.
-            sys::AIBinder_DeathRecipient_setOnUnlinked(recipient, Some(Self::cookie_decr_refcount::<F>));
+            sys::AIBinder_DeathRecipient_setOnUnlinked(
+                recipient,
+                Some(Self::cookie_decr_refcount::<F>),
+            );
         }
         DeathRecipient {
             recipient,
diff --git a/libs/binder/rust/src/state.rs b/libs/binder/rust/src/state.rs
index 0aef744..cc18741 100644
--- a/libs/binder/rust/src/state.rs
+++ b/libs/binder/rust/src/state.rs
@@ -124,7 +124,8 @@
     /// kernel is too old to support this feature.
     pub fn with_calling_sid<T, F>(check_permission: F) -> T
     where
-        for<'a> F: FnOnce(Option<&'a std::ffi::CStr>) -> T {
+        for<'a> F: FnOnce(Option<&'a std::ffi::CStr>) -> T,
+    {
         // Safety: AIBinder_getCallingSid returns a c-string pointer
         // that is valid for a transaction. Also, the string returned
         // is thread local. By restricting the lifetime of the CStr
diff --git a/libs/binder/rust/tests/integration.rs b/libs/binder/rust/tests/integration.rs
index c9d6af0..4e10fa9 100644
--- a/libs/binder/rust/tests/integration.rs
+++ b/libs/binder/rust/tests/integration.rs
@@ -60,9 +60,7 @@
         if let Some(extension_name) = extension_name {
             let extension =
                 BnTest::new_binder(TestService::new(&extension_name), BinderFeatures::default());
-            service
-                .set_extension(&mut extension.as_binder())
-                .expect("Could not add extension");
+            service.set_extension(&mut extension.as_binder()).expect("Could not add extension");
         }
         binder::add_service(&service_name, service.as_binder())
             .expect("Could not register service");
@@ -73,10 +71,7 @@
 }
 
 fn print_usage() {
-    eprintln!(
-        "Usage: {} SERVICE_NAME [EXTENSION_NAME]",
-        RUST_SERVICE_BINARY
-    );
+    eprintln!("Usage: {} SERVICE_NAME [EXTENSION_NAME]", RUST_SERVICE_BINARY);
     eprintln!(concat!(
         "Spawn a Binder test service identified by SERVICE_NAME,",
         " optionally with an extesion named EXTENSION_NAME",
@@ -90,10 +85,7 @@
 
 impl TestService {
     fn new(s: &str) -> Self {
-        Self {
-            s: s.to_string(),
-            dump_args: Mutex::new(Vec::new()),
-        }
+        Self { s: s.to_string(), dump_args: Mutex::new(Vec::new()) }
     }
 }
 
@@ -111,11 +103,15 @@
     fn try_from(c: u32) -> Result<Self, Self::Error> {
         match c {
             _ if c == TestTransactionCode::Test as u32 => Ok(TestTransactionCode::Test),
-            _ if c == TestTransactionCode::GetDumpArgs as u32 => Ok(TestTransactionCode::GetDumpArgs),
+            _ if c == TestTransactionCode::GetDumpArgs as u32 => {
+                Ok(TestTransactionCode::GetDumpArgs)
+            }
             _ if c == TestTransactionCode::GetSelinuxContext as u32 => {
                 Ok(TestTransactionCode::GetSelinuxContext)
             }
-            _ if c == TestTransactionCode::GetIsHandlingTransaction as u32 => Ok(TestTransactionCode::GetIsHandlingTransaction),
+            _ if c == TestTransactionCode::GetIsHandlingTransaction as u32 => {
+                Ok(TestTransactionCode::GetIsHandlingTransaction)
+            }
             _ => Err(StatusCode::UNKNOWN_TRANSACTION),
         }
     }
@@ -200,15 +196,16 @@
         TestTransactionCode::Test => reply.write(&service.test()?),
         TestTransactionCode::GetDumpArgs => reply.write(&service.get_dump_args()?),
         TestTransactionCode::GetSelinuxContext => reply.write(&service.get_selinux_context()?),
-        TestTransactionCode::GetIsHandlingTransaction => reply.write(&service.get_is_handling_transaction()?),
+        TestTransactionCode::GetIsHandlingTransaction => {
+            reply.write(&service.get_is_handling_transaction()?)
+        }
     }
 }
 
 impl ITest for BpTest {
     fn test(&self) -> Result<String, StatusCode> {
         let reply =
-            self.binder
-                .transact(TestTransactionCode::Test as TransactionCode, 0, |_| Ok(()))?;
+            self.binder.transact(TestTransactionCode::Test as TransactionCode, 0, |_| Ok(()))?;
         reply.read()
     }
 
@@ -243,31 +240,45 @@
         let binder = self.binder.clone();
         P::spawn(
             move || binder.transact(TestTransactionCode::Test as TransactionCode, 0, |_| Ok(())),
-            |reply| async move { reply?.read() }
+            |reply| async move { reply?.read() },
         )
     }
 
     fn get_dump_args(&self) -> binder::BoxFuture<'static, Result<Vec<String>, StatusCode>> {
         let binder = self.binder.clone();
         P::spawn(
-            move || binder.transact(TestTransactionCode::GetDumpArgs as TransactionCode, 0, |_| Ok(())),
-            |reply| async move { reply?.read() }
+            move || {
+                binder.transact(TestTransactionCode::GetDumpArgs as TransactionCode, 0, |_| Ok(()))
+            },
+            |reply| async move { reply?.read() },
         )
     }
 
     fn get_selinux_context(&self) -> binder::BoxFuture<'static, Result<String, StatusCode>> {
         let binder = self.binder.clone();
         P::spawn(
-            move || binder.transact(TestTransactionCode::GetSelinuxContext as TransactionCode, 0, |_| Ok(())),
-            |reply| async move { reply?.read() }
+            move || {
+                binder.transact(
+                    TestTransactionCode::GetSelinuxContext as TransactionCode,
+                    0,
+                    |_| Ok(()),
+                )
+            },
+            |reply| async move { reply?.read() },
         )
     }
 
     fn get_is_handling_transaction(&self) -> binder::BoxFuture<'static, Result<bool, StatusCode>> {
         let binder = self.binder.clone();
         P::spawn(
-            move || binder.transact(TestTransactionCode::GetIsHandlingTransaction as TransactionCode, 0, |_| Ok(())),
-            |reply| async move { reply?.read() }
+            move || {
+                binder.transact(
+                    TestTransactionCode::GetIsHandlingTransaction as TransactionCode,
+                    0,
+                    |_| Ok(()),
+                )
+            },
+            |reply| async move { reply?.read() },
         )
     }
 }
@@ -374,7 +385,7 @@
 
     use binder_tokio::Tokio;
 
-    use super::{BnTest, ITest, IATest, ITestSameDescriptor, TestService, RUST_SERVICE_BINARY};
+    use super::{BnTest, IATest, ITest, ITestSameDescriptor, TestService, RUST_SERVICE_BINARY};
 
     pub struct ScopedServiceProcess(Child);
 
@@ -405,9 +416,7 @@
     impl Drop for ScopedServiceProcess {
         fn drop(&mut self) {
             self.0.kill().expect("Could not kill child process");
-            self.0
-                .wait()
-                .expect("Could not wait for child process to die");
+            self.0.wait().expect("Could not wait for child process to die");
         }
     }
 
@@ -428,10 +437,7 @@
         );
 
         // The service manager service isn't an ITest, so this must fail.
-        assert_eq!(
-            binder::get_interface::<dyn ITest>("manager").err(),
-            Some(StatusCode::BAD_TYPE)
-        );
+        assert_eq!(binder::get_interface::<dyn ITest>("manager").err(), Some(StatusCode::BAD_TYPE));
         assert_eq!(
             binder::get_interface::<dyn IATest<Tokio>>("manager").err(),
             Some(StatusCode::BAD_TYPE)
@@ -450,7 +456,9 @@
             Some(StatusCode::NAME_NOT_FOUND)
         );
         assert_eq!(
-            binder_tokio::get_interface::<dyn IATest<Tokio>>("this_service_does_not_exist").await.err(),
+            binder_tokio::get_interface::<dyn IATest<Tokio>>("this_service_does_not_exist")
+                .await
+                .err(),
             Some(StatusCode::NAME_NOT_FOUND)
         );
 
@@ -511,8 +519,9 @@
     async fn trivial_client_async() {
         let service_name = "trivial_client_test";
         let _process = ScopedServiceProcess::new(service_name);
-        let test_client: Strong<dyn IATest<Tokio>> =
-            binder_tokio::get_interface(service_name).await.expect("Did not get manager binder service");
+        let test_client: Strong<dyn IATest<Tokio>> = binder_tokio::get_interface(service_name)
+            .await
+            .expect("Did not get manager binder service");
         assert_eq!(test_client.test().await.unwrap(), "trivial_client_test");
     }
 
@@ -529,8 +538,9 @@
     async fn wait_for_trivial_client_async() {
         let service_name = "wait_for_trivial_client_test";
         let _process = ScopedServiceProcess::new(service_name);
-        let test_client: Strong<dyn IATest<Tokio>> =
-            binder_tokio::wait_for_interface(service_name).await.expect("Did not get manager binder service");
+        let test_client: Strong<dyn IATest<Tokio>> = binder_tokio::wait_for_interface(service_name)
+            .await
+            .expect("Did not get manager binder service");
         assert_eq!(test_client.test().await.unwrap(), "wait_for_trivial_client_test");
     }
 
@@ -539,9 +549,7 @@
             let mut out_ptr = ptr::null_mut();
             assert_eq!(selinux_sys::getcon(&mut out_ptr), 0);
             assert!(!out_ptr.is_null());
-            CStr::from_ptr(out_ptr)
-                .to_str()
-                .expect("context was invalid UTF-8")
+            CStr::from_ptr(out_ptr).to_str().expect("context was invalid UTF-8")
         }
     }
 
@@ -551,18 +559,16 @@
         let _process = ScopedServiceProcess::new(service_name);
         let test_client: Strong<dyn ITest> =
             binder::get_interface(service_name).expect("Did not get manager binder service");
-        assert_eq!(
-            test_client.get_selinux_context().unwrap(),
-            get_expected_selinux_context()
-        );
+        assert_eq!(test_client.get_selinux_context().unwrap(), get_expected_selinux_context());
     }
 
     #[tokio::test]
     async fn get_selinux_context_async() {
         let service_name = "get_selinux_context_async";
         let _process = ScopedServiceProcess::new(service_name);
-        let test_client: Strong<dyn IATest<Tokio>> =
-            binder_tokio::get_interface(service_name).await.expect("Did not get manager binder service");
+        let test_client: Strong<dyn IATest<Tokio>> = binder_tokio::get_interface(service_name)
+            .await
+            .expect("Did not get manager binder service");
         assert_eq!(
             test_client.get_selinux_context().await.unwrap(),
             get_expected_selinux_context()
@@ -586,13 +592,11 @@
     async fn get_selinux_context_async_to_sync() {
         let service_name = "get_selinux_context";
         let _process = ScopedServiceProcess::new(service_name);
-        let test_client: Strong<dyn IATest<Tokio>> =
-            binder_tokio::get_interface(service_name).await.expect("Did not get manager binder service");
+        let test_client: Strong<dyn IATest<Tokio>> = binder_tokio::get_interface(service_name)
+            .await
+            .expect("Did not get manager binder service");
         let test_client = test_client.into_sync();
-        assert_eq!(
-            test_client.get_selinux_context().unwrap(),
-            get_expected_selinux_context()
-        );
+        assert_eq!(test_client.get_selinux_context().unwrap(), get_expected_selinux_context());
     }
 
     struct Bools {
@@ -605,10 +609,7 @@
             self.binder_died.load(Ordering::Relaxed)
         }
         fn assert_died(&self) {
-            assert!(
-                self.is_dead(),
-                "Did not receive death notification"
-            );
+            assert!(self.is_dead(), "Did not receive death notification");
         }
         fn assert_dropped(&self) {
             assert!(
@@ -639,9 +640,7 @@
 
         let mut death_recipient = {
             let flag = binder_died.clone();
-            let set_on_drop = SetOnDrop {
-                binder_dealloc: binder_dealloc.clone(),
-            };
+            let set_on_drop = SetOnDrop { binder_dealloc: binder_dealloc.clone() };
             DeathRecipient::new(move || {
                 flag.store(true, Ordering::Relaxed);
                 // Force the closure to take ownership of set_on_drop. When the closure is
@@ -650,14 +649,9 @@
             })
         };
 
-        binder
-            .link_to_death(&mut death_recipient)
-            .expect("link_to_death failed");
+        binder.link_to_death(&mut death_recipient).expect("link_to_death failed");
 
-        let bools = Bools {
-            binder_died,
-            binder_dealloc,
-        };
+        let bools = Bools { binder_died, binder_dealloc };
 
         (bools, death_recipient)
     }
@@ -675,9 +669,7 @@
         let (bools, recipient) = register_death_notification(&mut remote);
 
         drop(service_process);
-        remote
-            .ping_binder()
-            .expect_err("Service should have died already");
+        remote.ping_binder().expect_err("Service should have died already");
 
         // Pause to ensure any death notifications get delivered
         thread::sleep(Duration::from_secs(1));
@@ -701,22 +693,15 @@
 
         let (bools, mut recipient) = register_death_notification(&mut remote);
 
-        remote
-            .unlink_to_death(&mut recipient)
-            .expect("Could not unlink death notifications");
+        remote.unlink_to_death(&mut recipient).expect("Could not unlink death notifications");
 
         drop(service_process);
-        remote
-            .ping_binder()
-            .expect_err("Service should have died already");
+        remote.ping_binder().expect_err("Service should have died already");
 
         // Pause to ensure any death notifications get delivered
         thread::sleep(Duration::from_secs(1));
 
-        assert!(
-            !bools.is_dead(),
-            "Received unexpected death notification after unlinking",
-        );
+        assert!(!bools.is_dead(), "Received unexpected death notification after unlinking",);
 
         bools.assert_not_dropped();
         drop(recipient);
@@ -771,9 +756,7 @@
             let dump_args = ["dump", "args", "for", "testing"];
 
             let null_out = File::open("/dev/null").expect("Could not open /dev/null");
-            remote
-                .dump(&null_out, &dump_args)
-                .expect("Could not dump remote service");
+            remote.dump(&null_out, &dump_args).expect("Could not dump remote service");
 
             let remote_args = test_client.get_dump_args().expect("Could not fetched dumped args");
             assert_eq!(dump_args, remote_args[..], "Remote args don't match call to dump");
@@ -799,9 +782,7 @@
             let mut remote = binder::get_service(service_name);
             assert!(remote.is_binder_alive());
 
-            let extension = remote
-                .get_extension()
-                .expect("Could not check for an extension");
+            let extension = remote.get_extension().expect("Could not check for an extension");
             assert!(extension.is_none());
         }
 
@@ -811,9 +792,7 @@
             let mut remote = binder::get_service(service_name);
             assert!(remote.is_binder_alive());
 
-            let maybe_extension = remote
-                .get_extension()
-                .expect("Could not check for an extension");
+            let maybe_extension = remote.get_extension().expect("Could not check for an extension");
 
             let extension = maybe_extension.expect("Remote binder did not have an extension");
 
@@ -850,15 +829,12 @@
     #[test]
     fn reassociate_rust_binder() {
         let service_name = "testing_service";
-        let service_ibinder = BnTest::new_binder(
-            TestService::new(service_name),
-            BinderFeatures::default(),
-        )
-        .as_binder();
+        let service_ibinder =
+            BnTest::new_binder(TestService::new(service_name), BinderFeatures::default())
+                .as_binder();
 
-        let service: Strong<dyn ITest> = service_ibinder
-            .into_interface()
-            .expect("Could not reassociate the generic ibinder");
+        let service: Strong<dyn ITest> =
+            service_ibinder.into_interface().expect("Could not reassociate the generic ibinder");
 
         assert_eq!(service.test().unwrap(), service_name);
     }
@@ -866,10 +842,7 @@
     #[test]
     fn weak_binder_upgrade() {
         let service_name = "testing_service";
-        let service = BnTest::new_binder(
-            TestService::new(service_name),
-            BinderFeatures::default(),
-        );
+        let service = BnTest::new_binder(TestService::new(service_name), BinderFeatures::default());
 
         let weak = Strong::downgrade(&service);
 
@@ -882,10 +855,8 @@
     fn weak_binder_upgrade_dead() {
         let service_name = "testing_service";
         let weak = {
-            let service = BnTest::new_binder(
-                TestService::new(service_name),
-                BinderFeatures::default(),
-            );
+            let service =
+                BnTest::new_binder(TestService::new(service_name), BinderFeatures::default());
 
             Strong::downgrade(&service)
         };
@@ -896,10 +867,7 @@
     #[test]
     fn weak_binder_clone() {
         let service_name = "testing_service";
-        let service = BnTest::new_binder(
-            TestService::new(service_name),
-            BinderFeatures::default(),
-        );
+        let service = BnTest::new_binder(TestService::new(service_name), BinderFeatures::default());
 
         let weak = Strong::downgrade(&service);
         let cloned = weak.clone();
@@ -915,14 +883,10 @@
     #[test]
     #[allow(clippy::eq_op)]
     fn binder_ord() {
-        let service1 = BnTest::new_binder(
-            TestService::new("testing_service1"),
-            BinderFeatures::default(),
-        );
-        let service2 = BnTest::new_binder(
-            TestService::new("testing_service2"),
-            BinderFeatures::default(),
-        );
+        let service1 =
+            BnTest::new_binder(TestService::new("testing_service1"), BinderFeatures::default());
+        let service2 =
+            BnTest::new_binder(TestService::new("testing_service2"), BinderFeatures::default());
 
         assert!((service1 >= service1));
         assert!((service1 <= service1));
@@ -931,20 +895,20 @@
 
     #[test]
     fn binder_parcel_mixup() {
-        let service1 = BnTest::new_binder(
-            TestService::new("testing_service1"),
-            BinderFeatures::default(),
-        );
-        let service2 = BnTest::new_binder(
-            TestService::new("testing_service2"),
-            BinderFeatures::default(),
-        );
+        let service1 =
+            BnTest::new_binder(TestService::new("testing_service1"), BinderFeatures::default());
+        let service2 =
+            BnTest::new_binder(TestService::new("testing_service2"), BinderFeatures::default());
 
         let service1 = service1.as_binder();
         let service2 = service2.as_binder();
 
         let parcel = service1.prepare_transact().unwrap();
-        let res = service2.submit_transact(super::TestTransactionCode::Test as TransactionCode, parcel, 0);
+        let res = service2.submit_transact(
+            super::TestTransactionCode::Test as TransactionCode,
+            parcel,
+            0,
+        );
 
         match res {
             Ok(_) => panic!("submit_transact should fail"),
@@ -967,15 +931,18 @@
         // Should also be false in spawned thread.
         std::thread::spawn(|| {
             assert!(!binder::is_handling_transaction());
-        }).join().unwrap();
+        })
+        .join()
+        .unwrap();
     }
 
     #[tokio::test]
     async fn get_is_handling_transaction_async() {
         let service_name = "get_is_handling_transaction_async";
         let _process = ScopedServiceProcess::new(service_name);
-        let test_client: Strong<dyn IATest<Tokio>> =
-            binder_tokio::get_interface(service_name).await.expect("Did not get manager binder service");
+        let test_client: Strong<dyn IATest<Tokio>> = binder_tokio::get_interface(service_name)
+            .await
+            .expect("Did not get manager binder service");
         // Should be true externally.
         assert!(test_client.get_is_handling_transaction().await.unwrap());
 
@@ -985,11 +952,15 @@
         // Should also be false in spawned task.
         tokio::spawn(async {
             assert!(!binder::is_handling_transaction());
-        }).await.unwrap();
+        })
+        .await
+        .unwrap();
 
         // And in spawn_blocking task.
         tokio::task::spawn_blocking(|| {
             assert!(!binder::is_handling_transaction());
-        }).await.unwrap();
+        })
+        .await
+        .unwrap();
     }
 }
diff --git a/libs/binder/rust/tests/serialization.rs b/libs/binder/rust/tests/serialization.rs
index f6bdf5c..6220db4 100644
--- a/libs/binder/rust/tests/serialization.rs
+++ b/libs/binder/rust/tests/serialization.rs
@@ -23,7 +23,7 @@
 };
 // Import from impl API for testing only, should not be necessary as long as you
 // are using AIDL.
-use binder::binder_impl::{BorrowedParcel, Binder, TransactionCode};
+use binder::binder_impl::{Binder, BorrowedParcel, TransactionCode};
 
 use std::ffi::{c_void, CStr, CString};
 use std::sync::Once;
@@ -64,13 +64,7 @@
 macro_rules! assert {
     ($expr:expr) => {
         if !$expr {
-            eprintln!(
-                "assertion failed: `{:?}`, {}:{}:{}",
-                $expr,
-                file!(),
-                line!(),
-                column!()
-            );
+            eprintln!("assertion failed: `{:?}`, {}:{}:{}", $expr, file!(), line!(), column!());
             return Err(StatusCode::FAILED_TRANSACTION);
         }
     };
@@ -119,9 +113,7 @@
         bindings::Transaction_TEST_BOOL => {
             assert!(parcel.read::<bool>()?);
             assert!(!parcel.read::<bool>()?);
-            assert_eq!(parcel.read::<Vec<bool>>()?, unsafe {
-                bindings::TESTDATA_BOOL
-            });
+            assert_eq!(parcel.read::<Vec<bool>>()?, unsafe { bindings::TESTDATA_BOOL });
             assert_eq!(parcel.read::<Option<Vec<bool>>>()?, None);
 
             reply.write(&true)?;
@@ -148,9 +140,7 @@
             assert_eq!(parcel.read::<u16>()?, 0);
             assert_eq!(parcel.read::<u16>()?, 1);
             assert_eq!(parcel.read::<u16>()?, u16::max_value());
-            assert_eq!(parcel.read::<Vec<u16>>()?, unsafe {
-                bindings::TESTDATA_CHARS
-            });
+            assert_eq!(parcel.read::<Vec<u16>>()?, unsafe { bindings::TESTDATA_CHARS });
             assert_eq!(parcel.read::<Option<Vec<u16>>>()?, None);
 
             reply.write(&0u16)?;
@@ -163,9 +153,7 @@
             assert_eq!(parcel.read::<i32>()?, 0);
             assert_eq!(parcel.read::<i32>()?, 1);
             assert_eq!(parcel.read::<i32>()?, i32::max_value());
-            assert_eq!(parcel.read::<Vec<i32>>()?, unsafe {
-                bindings::TESTDATA_I32
-            });
+            assert_eq!(parcel.read::<Vec<i32>>()?, unsafe { bindings::TESTDATA_I32 });
             assert_eq!(parcel.read::<Option<Vec<i32>>>()?, None);
 
             reply.write(&0i32)?;
@@ -178,9 +166,7 @@
             assert_eq!(parcel.read::<i64>()?, 0);
             assert_eq!(parcel.read::<i64>()?, 1);
             assert_eq!(parcel.read::<i64>()?, i64::max_value());
-            assert_eq!(parcel.read::<Vec<i64>>()?, unsafe {
-                bindings::TESTDATA_I64
-            });
+            assert_eq!(parcel.read::<Vec<i64>>()?, unsafe { bindings::TESTDATA_I64 });
             assert_eq!(parcel.read::<Option<Vec<i64>>>()?, None);
 
             reply.write(&0i64)?;
@@ -193,9 +179,7 @@
             assert_eq!(parcel.read::<u64>()?, 0);
             assert_eq!(parcel.read::<u64>()?, 1);
             assert_eq!(parcel.read::<u64>()?, u64::max_value());
-            assert_eq!(parcel.read::<Vec<u64>>()?, unsafe {
-                bindings::TESTDATA_U64
-            });
+            assert_eq!(parcel.read::<Vec<u64>>()?, unsafe { bindings::TESTDATA_U64 });
             assert_eq!(parcel.read::<Option<Vec<u64>>>()?, None);
 
             reply.write(&0u64)?;
@@ -232,16 +216,9 @@
             let s: Option<String> = parcel.read()?;
             assert_eq!(s, None);
             let s: Option<Vec<Option<String>>> = parcel.read()?;
-            for (s, expected) in s
-                .unwrap()
-                .iter()
-                .zip(unsafe { bindings::TESTDATA_STRS }.iter())
-            {
-                let expected = unsafe {
-                    expected
-                        .as_ref()
-                        .and_then(|e| CStr::from_ptr(e).to_str().ok())
-                };
+            for (s, expected) in s.unwrap().iter().zip(unsafe { bindings::TESTDATA_STRS }.iter()) {
+                let expected =
+                    unsafe { expected.as_ref().and_then(|e| CStr::from_ptr(e).to_str().ok()) };
                 assert_eq!(s.as_deref(), expected);
             }
             let s: Option<Vec<Option<String>>> = parcel.read()?;
@@ -252,10 +229,7 @@
                     .iter()
                     .map(|s| {
                         s.as_ref().map(|s| {
-                            CStr::from_ptr(s)
-                                .to_str()
-                                .expect("String was not UTF-8")
-                                .to_owned()
+                            CStr::from_ptr(s).to_str().expect("String was not UTF-8").to_owned()
                         })
                     })
                     .collect()
@@ -284,12 +258,8 @@
             assert!(ibinders[1].is_none());
             assert!(parcel.read::<Option<Vec<Option<SpIBinder>>>>()?.is_none());
 
-            let service = unsafe {
-                SERVICE
-                    .as_ref()
-                    .expect("Global binder service not initialized")
-                    .clone()
-            };
+            let service =
+                unsafe { SERVICE.as_ref().expect("Global binder service not initialized").clone() };
             reply.write(&service)?;
             reply.write(&(None as Option<&SpIBinder>))?;
             reply.write(&[Some(&service), None][..])?;
@@ -300,10 +270,7 @@
             assert!(status.is_ok());
             let status: Status = parcel.read()?;
             assert_eq!(status.exception_code(), ExceptionCode::NULL_POINTER);
-            assert_eq!(
-                status.get_description(),
-                "Status(-4, EX_NULL_POINTER): 'a status message'"
-            );
+            assert_eq!(status.get_description(), "Status(-4, EX_NULL_POINTER): 'a status message'");
             let status: Status = parcel.read()?;
             assert_eq!(status.service_specific_error(), 42);
             assert_eq!(
diff --git a/libs/binder/tests/binderRpcTest.cpp b/libs/binder/tests/binderRpcTest.cpp
index 8afb403..501a604 100644
--- a/libs/binder/tests/binderRpcTest.cpp
+++ b/libs/binder/tests/binderRpcTest.cpp
@@ -51,7 +51,7 @@
     Parcel p;
     p.writeInt32(3);
 
-    EXPECT_DEATH(p.markForBinder(sp<BBinder>::make()), "");
+    EXPECT_DEATH(p.markForBinder(sp<BBinder>::make()), "format must be set before data is written");
 }
 
 class BinderRpcServerOnly : public ::testing::TestWithParam<std::tuple<RpcSecurity, uint32_t>> {
@@ -1035,6 +1035,125 @@
     }
 }
 
+TEST_P(BinderRpc, SingleDeathRecipient) {
+    if (singleThreaded() || !kEnableRpcThreads) {
+        GTEST_SKIP() << "This test requires multiple threads";
+    }
+    class MyDeathRec : public IBinder::DeathRecipient {
+    public:
+        void binderDied(const wp<IBinder>& /* who */) override {
+            dead = true;
+            mCv.notify_one();
+        }
+        std::mutex mMtx;
+        std::condition_variable mCv;
+        bool dead = false;
+    };
+
+    // Death recipient needs to have an incoming connection to be called
+    auto proc = createRpcTestSocketServerProcess(
+            {.numThreads = 1, .numSessions = 1, .numIncomingConnections = 1});
+
+    auto dr = sp<MyDeathRec>::make();
+    ASSERT_EQ(OK, proc.rootBinder->linkToDeath(dr, (void*)1, 0));
+
+    if (auto status = proc.rootIface->scheduleShutdown(); !status.isOk()) {
+        EXPECT_EQ(DEAD_OBJECT, status.transactionError()) << status;
+    }
+
+    std::unique_lock<std::mutex> lock(dr->mMtx);
+    if (!dr->dead) {
+        EXPECT_EQ(std::cv_status::no_timeout, dr->mCv.wait_for(lock, 1000ms));
+    }
+    EXPECT_TRUE(dr->dead) << "Failed to receive the death notification.";
+
+    // 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;
+}
+
+TEST_P(BinderRpc, SingleDeathRecipientOnShutdown) {
+    if (singleThreaded() || !kEnableRpcThreads) {
+        GTEST_SKIP() << "This test requires multiple threads";
+    }
+    class MyDeathRec : public IBinder::DeathRecipient {
+    public:
+        void binderDied(const wp<IBinder>& /* who */) override {
+            dead = true;
+            mCv.notify_one();
+        }
+        std::mutex mMtx;
+        std::condition_variable mCv;
+        bool dead = false;
+    };
+
+    // Death recipient needs to have an incoming connection to be called
+    auto proc = createRpcTestSocketServerProcess(
+            {.numThreads = 1, .numSessions = 1, .numIncomingConnections = 1});
+
+    auto dr = sp<MyDeathRec>::make();
+    EXPECT_EQ(OK, proc.rootBinder->linkToDeath(dr, (void*)1, 0));
+
+    // Explicitly calling shutDownAndWait will cause the death recipients
+    // to be called.
+    EXPECT_TRUE(proc.proc.sessions.at(0).session->shutdownAndWait(true));
+
+    std::unique_lock<std::mutex> lock(dr->mMtx);
+    if (!dr->dead) {
+        EXPECT_EQ(std::cv_status::no_timeout, dr->mCv.wait_for(lock, 1000ms));
+    }
+    EXPECT_TRUE(dr->dead) << "Failed to receive the death notification.";
+
+    proc.proc.host.terminate();
+    proc.proc.host.setCustomExitStatusCheck([](int wstatus) {
+        EXPECT_TRUE(WIFSIGNALED(wstatus) && WTERMSIG(wstatus) == SIGTERM)
+                << "server process failed incorrectly: " << WaitStatusToString(wstatus);
+    });
+    proc.expectAlreadyShutdown = true;
+}
+
+TEST_P(BinderRpc, DeathRecipientFatalWithoutIncoming) {
+    class MyDeathRec : public IBinder::DeathRecipient {
+    public:
+        void binderDied(const wp<IBinder>& /* who */) override {}
+    };
+
+    auto proc = createRpcTestSocketServerProcess(
+            {.numThreads = 1, .numSessions = 1, .numIncomingConnections = 0});
+
+    auto dr = sp<MyDeathRec>::make();
+    EXPECT_DEATH(proc.rootBinder->linkToDeath(dr, (void*)1, 0),
+                 "Cannot register a DeathRecipient without any incoming connections.");
+}
+
+TEST_P(BinderRpc, UnlinkDeathRecipient) {
+    if (singleThreaded() || !kEnableRpcThreads) {
+        GTEST_SKIP() << "This test requires multiple threads";
+    }
+    class MyDeathRec : public IBinder::DeathRecipient {
+    public:
+        void binderDied(const wp<IBinder>& /* who */) override {
+            GTEST_FAIL() << "This should not be called after unlinkToDeath";
+        }
+    };
+
+    // Death recipient needs to have an incoming connection to be called
+    auto proc = createRpcTestSocketServerProcess(
+            {.numThreads = 1, .numSessions = 1, .numIncomingConnections = 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;
+}
+
 TEST_P(BinderRpc, OnewayCallbackWithNoThread) {
     auto proc = createRpcTestSocketServerProcess({});
     auto cb = sp<MyBinderRpcCallback>::make();
diff --git a/libs/cputimeinstate/cputimeinstate.cpp b/libs/cputimeinstate/cputimeinstate.cpp
index d169043..706704a 100644
--- a/libs/cputimeinstate/cputimeinstate.cpp
+++ b/libs/cputimeinstate/cputimeinstate.cpp
@@ -131,24 +131,24 @@
     }
 
     gTisTotalMapFd =
-            unique_fd{bpf_obj_get(BPF_FS_PATH "map_time_in_state_total_time_in_state_map")};
+            unique_fd{bpf_obj_get(BPF_FS_PATH "map_timeInState_total_time_in_state_map")};
     if (gTisTotalMapFd < 0) return false;
 
-    gTisMapFd = unique_fd{bpf_obj_get(BPF_FS_PATH "map_time_in_state_uid_time_in_state_map")};
+    gTisMapFd = unique_fd{bpf_obj_get(BPF_FS_PATH "map_timeInState_uid_time_in_state_map")};
     if (gTisMapFd < 0) return false;
 
     gConcurrentMapFd =
-            unique_fd{bpf_obj_get(BPF_FS_PATH "map_time_in_state_uid_concurrent_times_map")};
+            unique_fd{bpf_obj_get(BPF_FS_PATH "map_timeInState_uid_concurrent_times_map")};
     if (gConcurrentMapFd < 0) return false;
 
     gUidLastUpdateMapFd =
-            unique_fd{bpf_obj_get(BPF_FS_PATH "map_time_in_state_uid_last_update_map")};
+            unique_fd{bpf_obj_get(BPF_FS_PATH "map_timeInState_uid_last_update_map")};
     if (gUidLastUpdateMapFd < 0) return false;
 
-    gPidTisMapFd = unique_fd{mapRetrieveRO(BPF_FS_PATH "map_time_in_state_pid_time_in_state_map")};
+    gPidTisMapFd = unique_fd{mapRetrieveRO(BPF_FS_PATH "map_timeInState_pid_time_in_state_map")};
     if (gPidTisMapFd < 0) return false;
 
-    unique_fd trackedPidMapFd(mapRetrieveWO(BPF_FS_PATH "map_time_in_state_pid_tracked_map"));
+    unique_fd trackedPidMapFd(mapRetrieveWO(BPF_FS_PATH "map_timeInState_pid_tracked_map"));
     if (trackedPidMapFd < 0) return false;
 
     gInitialized = true;
@@ -156,7 +156,7 @@
 }
 
 static int retrieveProgramFd(const std::string &eventType, const std::string &eventName) {
-    std::string path = StringPrintf(BPF_FS_PATH "prog_time_in_state_tracepoint_%s_%s",
+    std::string path = StringPrintf(BPF_FS_PATH "prog_timeInState_tracepoint_%s_%s",
                                     eventType.c_str(), eventName.c_str());
     return retrieveProgram(path.c_str());
 }
@@ -200,7 +200,7 @@
     if (!initGlobals()) return false;
     if (gTracking) return true;
 
-    unique_fd cpuPolicyFd(mapRetrieveWO(BPF_FS_PATH "map_time_in_state_cpu_policy_map"));
+    unique_fd cpuPolicyFd(mapRetrieveWO(BPF_FS_PATH "map_timeInState_cpu_policy_map"));
     if (cpuPolicyFd < 0) return false;
 
     for (uint32_t i = 0; i < gPolicyCpus.size(); ++i) {
@@ -209,7 +209,7 @@
         }
     }
 
-    unique_fd freqToIdxFd(mapRetrieveWO(BPF_FS_PATH "map_time_in_state_freq_to_idx_map"));
+    unique_fd freqToIdxFd(mapRetrieveWO(BPF_FS_PATH "map_timeInState_freq_to_idx_map"));
     if (freqToIdxFd < 0) return false;
     freq_idx_key_t key;
     for (uint32_t i = 0; i < gNPolicies; ++i) {
@@ -224,23 +224,23 @@
         }
     }
 
-    unique_fd cpuLastUpdateFd(mapRetrieveWO(BPF_FS_PATH "map_time_in_state_cpu_last_update_map"));
+    unique_fd cpuLastUpdateFd(mapRetrieveWO(BPF_FS_PATH "map_timeInState_cpu_last_update_map"));
     if (cpuLastUpdateFd < 0) return false;
     std::vector<uint64_t> zeros(get_nprocs_conf(), 0);
     uint32_t zero = 0;
     if (writeToMapEntry(cpuLastUpdateFd, &zero, zeros.data(), BPF_ANY)) return false;
 
-    unique_fd nrActiveFd(mapRetrieveWO(BPF_FS_PATH "map_time_in_state_nr_active_map"));
+    unique_fd nrActiveFd(mapRetrieveWO(BPF_FS_PATH "map_timeInState_nr_active_map"));
     if (nrActiveFd < 0) return false;
     if (writeToMapEntry(nrActiveFd, &zero, &zero, BPF_ANY)) return false;
 
-    unique_fd policyNrActiveFd(mapRetrieveWO(BPF_FS_PATH "map_time_in_state_policy_nr_active_map"));
+    unique_fd policyNrActiveFd(mapRetrieveWO(BPF_FS_PATH "map_timeInState_policy_nr_active_map"));
     if (policyNrActiveFd < 0) return false;
     for (uint32_t i = 0; i < gNPolicies; ++i) {
         if (writeToMapEntry(policyNrActiveFd, &i, &zero, BPF_ANY)) return false;
     }
 
-    unique_fd policyFreqIdxFd(mapRetrieveWO(BPF_FS_PATH "map_time_in_state_policy_freq_idx_map"));
+    unique_fd policyFreqIdxFd(mapRetrieveWO(BPF_FS_PATH "map_timeInState_policy_freq_idx_map"));
     if (policyFreqIdxFd < 0) return false;
     for (uint32_t i = 0; i < gNPolicies; ++i) {
         auto freqIdx = getPolicyFreqIdx(i);
@@ -560,10 +560,10 @@
     if (!gInitialized && !initGlobals()) return false;
 
     unique_fd trackedPidHashMapFd(
-            mapRetrieveWO(BPF_FS_PATH "map_time_in_state_pid_tracked_hash_map"));
+            mapRetrieveWO(BPF_FS_PATH "map_timeInState_pid_tracked_hash_map"));
     if (trackedPidHashMapFd < 0) return false;
 
-    unique_fd trackedPidMapFd(mapRetrieveWO(BPF_FS_PATH "map_time_in_state_pid_tracked_map"));
+    unique_fd trackedPidMapFd(mapRetrieveWO(BPF_FS_PATH "map_timeInState_pid_tracked_map"));
     if (trackedPidMapFd < 0) return false;
 
     for (uint32_t index = 0; index < MAX_TRACKED_PIDS; index++) {
@@ -590,7 +590,7 @@
     if (!gInitialized && !initGlobals()) return false;
 
     unique_fd taskAggregationMapFd(
-            mapRetrieveWO(BPF_FS_PATH "map_time_in_state_pid_task_aggregation_map"));
+            mapRetrieveWO(BPF_FS_PATH "map_timeInState_pid_task_aggregation_map"));
     if (taskAggregationMapFd < 0) return false;
 
     return writeToMapEntry(taskAggregationMapFd, &pid, &aggregationKey, BPF_ANY) == 0;
diff --git a/libs/cputimeinstate/testtimeinstate.cpp b/libs/cputimeinstate/testtimeinstate.cpp
index 45a6d47..6ccc6ca 100644
--- a/libs/cputimeinstate/testtimeinstate.cpp
+++ b/libs/cputimeinstate/testtimeinstate.cpp
@@ -462,7 +462,7 @@
         ++uid;
     }
     android::base::unique_fd fd{
-        bpf_obj_get(BPF_FS_PATH "map_time_in_state_uid_concurrent_times_map")};
+        bpf_obj_get(BPF_FS_PATH "map_timeInState_uid_concurrent_times_map")};
     ASSERT_GE(fd, 0);
     uint32_t nCpus = get_nprocs_conf();
     uint32_t maxBucket = (nCpus - 1) / CPUS_PER_ENTRY;
@@ -504,7 +504,7 @@
     {
         // Add a map entry for our fake UID by copying a real map entry
         android::base::unique_fd fd{
-                bpf_obj_get(BPF_FS_PATH "map_time_in_state_uid_time_in_state_map")};
+                bpf_obj_get(BPF_FS_PATH "map_timeInState_uid_time_in_state_map")};
         ASSERT_GE(fd, 0);
         time_key_t k;
         ASSERT_FALSE(getFirstMapKey(fd, &k));
@@ -515,7 +515,7 @@
         ASSERT_FALSE(writeToMapEntry(fd, &k, vals.data(), BPF_NOEXIST));
 
         android::base::unique_fd fd2{
-                bpf_obj_get(BPF_FS_PATH "map_time_in_state_uid_concurrent_times_map")};
+                bpf_obj_get(BPF_FS_PATH "map_timeInState_uid_concurrent_times_map")};
         k.uid = copiedUid;
         k.bucket = 0;
         std::vector<concurrent_val_t> cvals(get_nprocs_conf());
diff --git a/libs/gui/Surface.cpp b/libs/gui/Surface.cpp
index fef83ea..4b4d46a 100644
--- a/libs/gui/Surface.cpp
+++ b/libs/gui/Surface.cpp
@@ -1948,6 +1948,7 @@
         mReqHeight = 0;
         mReqUsage = 0;
         mCrop.clear();
+        mDataSpace = Dataspace::UNKNOWN;
         mScalingMode = NATIVE_WINDOW_SCALING_MODE_FREEZE;
         mTransform = 0;
         mStickyTransform = 0;
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 16dbc92..d365851 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -636,8 +636,7 @@
         mDesiredPresentTime(other.mDesiredPresentTime),
         mIsAutoTimestamp(other.mIsAutoTimestamp),
         mFrameTimelineInfo(other.mFrameTimelineInfo),
-        mApplyToken(other.mApplyToken),
-        mWindowInfosReportedEvent(other.mWindowInfosReportedEvent) {
+        mApplyToken(other.mApplyToken) {
     mDisplayStates = other.mDisplayStates;
     mComposerStates = other.mComposerStates;
     mInputWindowCommands = other.mInputWindowCommands;
@@ -881,9 +880,6 @@
     mEarlyWakeupStart = mEarlyWakeupStart || other.mEarlyWakeupStart;
     mEarlyWakeupEnd = mEarlyWakeupEnd || other.mEarlyWakeupEnd;
     mApplyToken = other.mApplyToken;
-    if (other.mWindowInfosReportedEvent) {
-        mWindowInfosReportedEvent = std::move(other.mWindowInfosReportedEvent);
-    }
 
     mergeFrameTimelineInfo(mFrameTimelineInfo, other.mFrameTimelineInfo);
 
@@ -906,7 +902,6 @@
     mIsAutoTimestamp = true;
     clearFrameTimelineInfo(mFrameTimelineInfo);
     mApplyToken = nullptr;
-    mWindowInfosReportedEvent = nullptr;
 }
 
 uint64_t SurfaceComposerClient::Transaction::getId() {
@@ -1053,10 +1048,6 @@
                             hasListenerCallbacks, listenerCallbacks, mId);
     mId = generateId();
 
-    if (mWindowInfosReportedEvent && !mWindowInfosReportedEvent->wait()) {
-        ALOGE("Timed out waiting for window infos to be reported.");
-    }
-
     // Clear the current states and flags
     clear();
 
@@ -1743,25 +1734,10 @@
     return *this;
 }
 
-class NotifyWindowInfosReported : public gui::BnWindowInfosReportedListener {
-public:
-    NotifyWindowInfosReported(
-            std::shared_ptr<SurfaceComposerClient::Event> windowInfosReportedEvent)
-          : mWindowInfosReportedEvent(windowInfosReportedEvent) {}
-
-    binder::Status onWindowInfosReported() {
-        mWindowInfosReportedEvent->set();
-        return binder::Status::ok();
-    }
-
-private:
-    std::shared_ptr<SurfaceComposerClient::Event> mWindowInfosReportedEvent;
-};
-
-SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::syncInputWindows() {
-    mWindowInfosReportedEvent = std::make_shared<Event>();
-    mInputWindowCommands.windowInfosReportedListeners.insert(
-            sp<NotifyWindowInfosReported>::make(mWindowInfosReportedEvent));
+SurfaceComposerClient::Transaction&
+SurfaceComposerClient::Transaction::addWindowInfosReportedListener(
+        sp<gui::IWindowInfosReportedListener> windowInfosReportedListener) {
+    mInputWindowCommands.windowInfosReportedListeners.insert(windowInfosReportedListener);
     return *this;
 }
 
@@ -2849,17 +2825,4 @@
     }
 }
 
-// ---------------------------------------------------------------------------------
-
-void SurfaceComposerClient::Event::set() {
-    std::lock_guard<std::mutex> lock(mMutex);
-    mComplete = true;
-    mConditionVariable.notify_all();
-}
-
-bool SurfaceComposerClient::Event::wait() {
-    std::unique_lock<std::mutex> lock(mMutex);
-    return mConditionVariable.wait_for(lock, sTimeout, [this] { return mComplete; });
-}
-
 } // namespace android
diff --git a/libs/gui/include/gui/SurfaceComposerClient.h b/libs/gui/include/gui/SurfaceComposerClient.h
index 24399ff..d5f4414 100644
--- a/libs/gui/include/gui/SurfaceComposerClient.h
+++ b/libs/gui/include/gui/SurfaceComposerClient.h
@@ -387,22 +387,6 @@
         std::unordered_set<sp<SurfaceControl>, SCHash> surfaceControls;
     };
 
-    // TODO(b/222421815) this class should be removed when
-    // SurfaceComposerClient::Transaction::syncInputWindows is removed and replaced with a method
-    // for adding callbacks to InputWindowCommands.
-    class Event {
-    private:
-        static constexpr std::chrono::seconds sTimeout{5};
-
-        bool mComplete = false;
-        std::condition_variable mConditionVariable;
-        std::mutex mMutex;
-
-    public:
-        void set();
-        bool wait();
-    };
-
     class Transaction : public Parcelable {
     private:
         void releaseBufferIfOverwriting(const layer_state_t& state);
@@ -452,8 +436,6 @@
         InputWindowCommands mInputWindowCommands;
         int mStatus = NO_ERROR;
 
-        std::shared_ptr<Event> mWindowInfosReportedEvent = nullptr;
-
         layer_state_t* getLayerState(const sp<SurfaceControl>& sc);
         DisplayState& getDisplayState(const sp<IBinder>& token);
 
@@ -588,7 +570,9 @@
 
         Transaction& setInputWindowInfo(const sp<SurfaceControl>& sc, const gui::WindowInfo& info);
         Transaction& setFocusedWindow(const gui::FocusRequest& request);
-        Transaction& syncInputWindows();
+
+        Transaction& addWindowInfosReportedListener(
+                sp<gui::IWindowInfosReportedListener> windowInfosReportedListener);
 
         // Set a color transform matrix on the given layer on the built-in display.
         Transaction& setColorTransform(const sp<SurfaceControl>& sc, const mat3& matrix,
diff --git a/libs/nativedisplay/libnativedisplay.map.txt b/libs/nativedisplay/libnativedisplay.map.txt
index 969d937..9172d5e 100644
--- a/libs/nativedisplay/libnativedisplay.map.txt
+++ b/libs/nativedisplay/libnativedisplay.map.txt
@@ -1,25 +1,25 @@
 LIBNATIVEDISPLAY {
   global:
-    AChoreographer_getInstance; # apex # introduced=30
-    AChoreographer_postFrameCallback; # apex # introduced=30
-    AChoreographer_postFrameCallbackDelayed; # apex # introduced=30
-    AChoreographer_postFrameCallback64; # apex # introduced=30
-    AChoreographer_postFrameCallbackDelayed64; # apex # introduced=30
-    AChoreographer_registerRefreshRateCallback; # apex # introduced=30
-    AChoreographer_unregisterRefreshRateCallback; # apex # introduced=30
-    AChoreographer_postVsyncCallback; # apex # introduced=33
-    AChoreographerFrameCallbackData_getFrameTimeNanos; # apex # introduced=33
-    AChoreographerFrameCallbackData_getFrameTimelinesLength; # apex # introduced=33
-    AChoreographerFrameCallbackData_getPreferredFrameTimelineIndex; # apex # introduced=33
-    AChoreographerFrameCallbackData_getFrameTimelineVsyncId; # apex # introduced=33
-    AChoreographerFrameCallbackData_getFrameTimelineExpectedPresentationTimeNanos; # apex # introduced=33
-    AChoreographerFrameCallbackData_getFrameTimelineDeadlineNanos; # apex # introduced=33
-    AChoreographer_create; # apex # introduced=30
-    AChoreographer_destroy; # apex # introduced=30
-    AChoreographer_getFd; # apex # introduced=30
-    AChoreographer_handlePendingEvents; # apex # introduced=30
-    ASurfaceTexture_fromSurfaceTexture; # apex # introduced=30
-    ASurfaceTexture_release; # apex # introduced=30
+    AChoreographer_getInstance; # systemapi # introduced=30
+    AChoreographer_postFrameCallback; # systemapi # introduced=30
+    AChoreographer_postFrameCallbackDelayed; # systemapi # introduced=30
+    AChoreographer_postFrameCallback64; # systemapi # introduced=30
+    AChoreographer_postFrameCallbackDelayed64; # systemapi # introduced=30
+    AChoreographer_registerRefreshRateCallback; # systemapi # introduced=30
+    AChoreographer_unregisterRefreshRateCallback; # systemapi # introduced=30
+    AChoreographer_postVsyncCallback; # systemapi # introduced=33
+    AChoreographerFrameCallbackData_getFrameTimeNanos; # systemapi # introduced=33
+    AChoreographerFrameCallbackData_getFrameTimelinesLength; # systemapi # introduced=33
+    AChoreographerFrameCallbackData_getPreferredFrameTimelineIndex; # systemapi # introduced=33
+    AChoreographerFrameCallbackData_getFrameTimelineVsyncId; # systemapi # introduced=33
+    AChoreographerFrameCallbackData_getFrameTimelineExpectedPresentationTimeNanos; # systemapi # introduced=33
+    AChoreographerFrameCallbackData_getFrameTimelineDeadlineNanos; # systemapi # introduced=33
+    AChoreographer_create; # systemapi # introduced=30
+    AChoreographer_destroy; # systemapi # introduced=30
+    AChoreographer_getFd; # systemapi # introduced=30
+    AChoreographer_handlePendingEvents; # systemapi # introduced=30
+    ASurfaceTexture_fromSurfaceTexture; # systemapi # introduced=30
+    ASurfaceTexture_release; # systemapi # introduced=30
   local:
     *;
 };
diff --git a/libs/nativewindow/libnativewindow.map.txt b/libs/nativewindow/libnativewindow.map.txt
index f8c9e4a..6296f9a 100644
--- a/libs/nativewindow/libnativewindow.map.txt
+++ b/libs/nativewindow/libnativewindow.map.txt
@@ -2,10 +2,10 @@
   global:
     AHardwareBuffer_acquire;
     AHardwareBuffer_allocate;
-    AHardwareBuffer_createFromHandle; # llndk # apex
+    AHardwareBuffer_createFromHandle; # llndk # systemapi
     AHardwareBuffer_describe;
     AHardwareBuffer_getId; # introduced=31
-    AHardwareBuffer_getNativeHandle; # llndk # apex
+    AHardwareBuffer_getNativeHandle; # llndk # systemapi
     AHardwareBuffer_isSupported; # introduced=29
     AHardwareBuffer_lock;
     AHardwareBuffer_lockAndGetInfo; # introduced=29
@@ -24,18 +24,18 @@
     ANativeWindow_getBuffersDefaultDataSpace; # introduced=34
     ANativeWindow_getFormat;
     ANativeWindow_getHeight;
-    ANativeWindow_getLastDequeueDuration; # apex # introduced=30
-    ANativeWindow_getLastDequeueStartTime; # apex # introduced=30
-    ANativeWindow_getLastQueueDuration; # apex # introduced=30
+    ANativeWindow_getLastDequeueDuration; # systemapi # introduced=30
+    ANativeWindow_getLastDequeueStartTime; # systemapi # introduced=30
+    ANativeWindow_getLastQueueDuration; # systemapi # introduced=30
     ANativeWindow_getWidth;
     ANativeWindow_lock;
     ANativeWindow_query; # llndk
     ANativeWindow_queryf; # llndk
     ANativeWindow_queueBuffer; # llndk
-    ANativeWindow_setCancelBufferInterceptor; # apex # introduced=30
-    ANativeWindow_setDequeueBufferInterceptor; # apex # introduced=30
-    ANativeWindow_setPerformInterceptor; # apex # introduced=30
-    ANativeWindow_setQueueBufferInterceptor; # apex # introduced=30
+    ANativeWindow_setCancelBufferInterceptor; # systemapi # introduced=30
+    ANativeWindow_setDequeueBufferInterceptor; # systemapi # introduced=30
+    ANativeWindow_setPerformInterceptor; # systemapi # introduced=30
+    ANativeWindow_setQueueBufferInterceptor; # systemapi # introduced=30
     ANativeWindow_release;
     ANativeWindow_setAutoPrerotation; # llndk
     ANativeWindow_setAutoRefresh; # llndk
@@ -46,7 +46,7 @@
     ANativeWindow_setBuffersGeometry;
     ANativeWindow_setBuffersTimestamp; # llndk
     ANativeWindow_setBuffersTransform;
-    ANativeWindow_setDequeueTimeout; # apex # introduced=30
+    ANativeWindow_setDequeueTimeout; # systemapi # introduced=30
     ANativeWindow_setFrameRate; # introduced=30
     ANativeWindow_setFrameRateWithChangeStrategy; # introduced=31
     ANativeWindow_setSharedBufferMode; # llndk
diff --git a/libs/renderengine/skia/SkiaGLRenderEngine.cpp b/libs/renderengine/skia/SkiaGLRenderEngine.cpp
index a0bba59..347b8b7 100644
--- a/libs/renderengine/skia/SkiaGLRenderEngine.cpp
+++ b/libs/renderengine/skia/SkiaGLRenderEngine.cpp
@@ -24,43 +24,11 @@
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
 #include <GrContextOptions.h>
-#include <SkBlendMode.h>
-#include <SkCanvas.h>
-#include <SkColor.h>
-#include <SkColorFilter.h>
-#include <SkColorMatrix.h>
-#include <SkColorSpace.h>
-#include <SkData.h>
-#include <SkGraphics.h>
-#include <SkImage.h>
-#include <SkImageFilters.h>
-#include <SkImageInfo.h>
-#include <SkM44.h>
-#include <SkMatrix.h>
-#include <SkPaint.h>
-#include <SkPath.h>
-#include <SkPoint.h>
-#include <SkPoint3.h>
-#include <SkRect.h>
-#include <SkRefCnt.h>
-#include <SkRegion.h>
-#include <SkRRect.h>
-#include <SkRuntimeEffect.h>
-#include <SkSamplingOptions.h>
-#include <SkScalar.h>
-#include <SkShader.h>
-#include <SkShadowUtils.h>
-#include <SkString.h>
-#include <SkSurface.h>
-#include <SkTileMode.h>
 #include <android-base/stringprintf.h>
 #include <gl/GrGLInterface.h>
 #include <gui/TraceUtils.h>
 #include <sync/sync.h>
-#include <ui/BlurRegion.h>
-#include <ui/DataspaceUtils.h>
 #include <ui/DebugUtils.h>
-#include <ui/GraphicBuffer.h>
 #include <utils/Trace.h>
 
 #include <cmath>
@@ -69,23 +37,7 @@
 #include <numeric>
 
 #include "../gl/GLExtensions.h"
-#include "Cache.h"
-#include "ColorSpaces.h"
-#include "filters/BlurFilter.h"
-#include "filters/GaussianBlurFilter.h"
-#include "filters/KawaseBlurFilter.h"
-#include "filters/LinearEffect.h"
 #include "log/log_main.h"
-#include "skia/debug/SkiaCapture.h"
-#include "skia/debug/SkiaMemoryReporter.h"
-#include "skia/filters/StretchShaderFactory.h"
-#include "system/graphics-base-v1.0.h"
-
-namespace {
-// Debugging settings
-static const bool kPrintLayerSettings = false;
-static const bool kFlushAfterEveryLayer = kPrintLayerSettings;
-} // namespace
 
 bool checkGlError(const char* op, int lineNumber);
 
@@ -244,6 +196,7 @@
     std::unique_ptr<SkiaGLRenderEngine> engine =
             std::make_unique<SkiaGLRenderEngine>(args, display, ctxt, placeholder, protectedContext,
                                                  protectedPlaceholder);
+    engine->ensureGrContextsCreated();
 
     ALOGI("OpenGL ES informations:");
     ALOGI("vendor    : %s", extensions.getVendor());
@@ -256,11 +209,6 @@
     return engine;
 }
 
-std::future<void> SkiaGLRenderEngine::primeCache() {
-    Cache::primeShaderCache(this);
-    return {};
-}
-
 EGLConfig SkiaGLRenderEngine::chooseEglConfig(EGLDisplay display, int format, bool logConfig) {
     status_t err;
     EGLConfig config;
@@ -300,72 +248,20 @@
     return config;
 }
 
-sk_sp<SkData> SkiaGLRenderEngine::SkSLCacheMonitor::load(const SkData& key) {
-    // This "cache" does not actually cache anything. It just allows us to
-    // monitor Skia's internal cache. So this method always returns null.
-    return nullptr;
-}
-
-void SkiaGLRenderEngine::SkSLCacheMonitor::store(const SkData& key, const SkData& data,
-                                                 const SkString& description) {
-    mShadersCachedSinceLastCall++;
-    mTotalShadersCompiled++;
-    ATRACE_FORMAT("SF cache: %i shaders", mTotalShadersCompiled);
-}
-
-int SkiaGLRenderEngine::reportShadersCompiled() {
-    return mSkSLCacheMonitor.totalShadersCompiled();
-}
-
 SkiaGLRenderEngine::SkiaGLRenderEngine(const RenderEngineCreationArgs& args, EGLDisplay display,
                                        EGLContext ctxt, EGLSurface placeholder,
                                        EGLContext protectedContext, EGLSurface protectedPlaceholder)
-      : SkiaRenderEngine(args.renderEngineType),
+      : SkiaRenderEngine(args.renderEngineType,
+                         static_cast<PixelFormat>(args.pixelFormat),
+                         args.useColorManagement, args.supportsBackgroundBlur),
         mEGLDisplay(display),
         mEGLContext(ctxt),
         mPlaceholderSurface(placeholder),
         mProtectedEGLContext(protectedContext),
-        mProtectedPlaceholderSurface(protectedPlaceholder),
-        mDefaultPixelFormat(static_cast<PixelFormat>(args.pixelFormat)),
-        mUseColorManagement(args.useColorManagement) {
-    sk_sp<const GrGLInterface> glInterface = GrGLMakeNativeInterface();
-    LOG_ALWAYS_FATAL_IF(!glInterface.get());
-
-    GrContextOptions options;
-    options.fDisableDriverCorrectnessWorkarounds = true;
-    options.fDisableDistanceFieldPaths = true;
-    options.fReducedShaderVariations = true;
-    options.fPersistentCache = &mSkSLCacheMonitor;
-    mGrContext = GrDirectContext::MakeGL(glInterface, options);
-    if (supportsProtectedContent()) {
-        useProtectedContext(true);
-        mProtectedGrContext = GrDirectContext::MakeGL(glInterface, options);
-        useProtectedContext(false);
-    }
-
-    if (args.supportsBackgroundBlur) {
-        ALOGD("Background Blurs Enabled");
-        mBlurFilter = new KawaseBlurFilter();
-    }
-    mCapture = std::make_unique<SkiaCapture>();
-}
+        mProtectedPlaceholderSurface(protectedPlaceholder) { }
 
 SkiaGLRenderEngine::~SkiaGLRenderEngine() {
-    std::lock_guard<std::mutex> lock(mRenderingMutex);
-    if (mBlurFilter) {
-        delete mBlurFilter;
-    }
-
-    mCapture = nullptr;
-
-    mGrContext->flushAndSubmit(true);
-    mGrContext->abandonContext();
-
-    if (mProtectedGrContext) {
-        mProtectedGrContext->flushAndSubmit(true);
-        mProtectedGrContext->abandonContext();
-    }
-
+    finishRenderingAndAbandonContext();
     if (mPlaceholderSurface != EGL_NO_SURFACE) {
         eglDestroySurface(mEGLDisplay, mPlaceholderSurface);
     }
@@ -383,71 +279,69 @@
     eglReleaseThread();
 }
 
-bool SkiaGLRenderEngine::supportsProtectedContent() const {
+SkiaRenderEngine::Contexts SkiaGLRenderEngine::createDirectContexts(
+    const GrContextOptions& options) {
+
+    LOG_ALWAYS_FATAL_IF(isProtected(),
+                        "Cannot setup contexts while already in protected mode");
+
+    sk_sp<const GrGLInterface> glInterface = GrGLMakeNativeInterface();
+
+    LOG_ALWAYS_FATAL_IF(!glInterface.get(), "GrGLMakeNativeInterface() failed");
+
+    SkiaRenderEngine::Contexts contexts;
+    contexts.first = GrDirectContext::MakeGL(glInterface, options);
+    if (supportsProtectedContentImpl()) {
+        useProtectedContextImpl(GrProtected::kYes);
+        contexts.second = GrDirectContext::MakeGL(glInterface, options);
+        useProtectedContextImpl(GrProtected::kNo);
+    }
+
+    return contexts;
+}
+
+bool SkiaGLRenderEngine::supportsProtectedContentImpl() const {
     return mProtectedEGLContext != EGL_NO_CONTEXT;
 }
 
-GrDirectContext* SkiaGLRenderEngine::getActiveGrContext() const {
-    return mInProtectedContext ? mProtectedGrContext.get() : mGrContext.get();
-}
-
-void SkiaGLRenderEngine::useProtectedContext(bool useProtectedContext) {
-    if (useProtectedContext == mInProtectedContext ||
-        (useProtectedContext && !supportsProtectedContent())) {
-        return;
-    }
-
-    // release any scratch resources before switching into a new mode
-    if (getActiveGrContext()) {
-        getActiveGrContext()->purgeUnlockedResources(true);
-    }
-
+bool SkiaGLRenderEngine::useProtectedContextImpl(GrProtected isProtected) {
     const EGLSurface surface =
-            useProtectedContext ? mProtectedPlaceholderSurface : mPlaceholderSurface;
-    const EGLContext context = useProtectedContext ? mProtectedEGLContext : mEGLContext;
+        (isProtected == GrProtected::kYes) ?
+        mProtectedPlaceholderSurface : mPlaceholderSurface;
+    const EGLContext context = (isProtected == GrProtected::kYes) ?
+        mProtectedEGLContext : mEGLContext;
 
-    if (eglMakeCurrent(mEGLDisplay, surface, surface, context) == EGL_TRUE) {
-        mInProtectedContext = useProtectedContext;
-        // given that we are sharing the same thread between two GrContexts we need to
-        // make sure that the thread state is reset when switching between the two.
-        if (getActiveGrContext()) {
-            getActiveGrContext()->resetContext();
-        }
-    }
+    return eglMakeCurrent(mEGLDisplay, surface, surface, context) == EGL_TRUE;
 }
 
-base::unique_fd SkiaGLRenderEngine::flush() {
-    ATRACE_CALL();
-    if (!gl::GLExtensions::getInstance().hasNativeFenceSync()) {
-        return base::unique_fd();
-    }
-
-    EGLSyncKHR sync = eglCreateSyncKHR(mEGLDisplay, EGL_SYNC_NATIVE_FENCE_ANDROID, nullptr);
-    if (sync == EGL_NO_SYNC_KHR) {
-        ALOGW("failed to create EGL native fence sync: %#x", eglGetError());
-        return base::unique_fd();
-    }
-
-    // native fence fd will not be populated until flush() is done.
-    glFlush();
-
-    // get the fence fd
-    base::unique_fd fenceFd(eglDupNativeFenceFDANDROID(mEGLDisplay, sync));
-    eglDestroySyncKHR(mEGLDisplay, sync);
-    if (fenceFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
-        ALOGW("failed to dup EGL native fence sync: %#x", eglGetError());
-    }
-
-    return fenceFd;
-}
-
-void SkiaGLRenderEngine::waitFence(base::borrowed_fd fenceFd) {
+void SkiaGLRenderEngine::waitFence(GrDirectContext*, base::borrowed_fd fenceFd) {
     if (fenceFd.get() >= 0 && !waitGpuFence(fenceFd)) {
         ATRACE_NAME("SkiaGLRenderEngine::waitFence");
         sync_wait(fenceFd.get(), -1);
     }
 }
 
+base::unique_fd SkiaGLRenderEngine::flushAndSubmit(GrDirectContext* grContext) {
+    base::unique_fd drawFence = flush();
+
+    bool requireSync = drawFence.get() < 0;
+    if (requireSync) {
+        ATRACE_BEGIN("Submit(sync=true)");
+    } else {
+        ATRACE_BEGIN("Submit(sync=false)");
+    }
+    bool success = grContext->submit(requireSync);
+    ATRACE_END();
+    if (!success) {
+        ALOGE("Failed to flush RenderEngine commands");
+        // Chances are, something illegal happened (Skia's internal GPU object
+        // doesn't exist, or the context was abandoned).
+        return drawFence;
+    }
+
+    return drawFence;
+}
+
 bool SkiaGLRenderEngine::waitGpuFence(base::borrowed_fd fenceFd) {
     if (!gl::GLExtensions::getInstance().hasNativeFenceSync() ||
         !gl::GLExtensions::getInstance().hasWaitSync()) {
@@ -483,974 +377,29 @@
     return true;
 }
 
-static float toDegrees(uint32_t transform) {
-    switch (transform) {
-        case ui::Transform::ROT_90:
-            return 90.0;
-        case ui::Transform::ROT_180:
-            return 180.0;
-        case ui::Transform::ROT_270:
-            return 270.0;
-        default:
-            return 0.0;
-    }
-}
-
-static SkColorMatrix toSkColorMatrix(const mat4& matrix) {
-    return SkColorMatrix(matrix[0][0], matrix[1][0], matrix[2][0], matrix[3][0], 0, matrix[0][1],
-                         matrix[1][1], matrix[2][1], matrix[3][1], 0, matrix[0][2], matrix[1][2],
-                         matrix[2][2], matrix[3][2], 0, matrix[0][3], matrix[1][3], matrix[2][3],
-                         matrix[3][3], 0);
-}
-
-static bool needsToneMapping(ui::Dataspace sourceDataspace, ui::Dataspace destinationDataspace) {
-    int64_t sourceTransfer = sourceDataspace & HAL_DATASPACE_TRANSFER_MASK;
-    int64_t destTransfer = destinationDataspace & HAL_DATASPACE_TRANSFER_MASK;
-
-    // Treat unsupported dataspaces as srgb
-    if (destTransfer != HAL_DATASPACE_TRANSFER_LINEAR &&
-        destTransfer != HAL_DATASPACE_TRANSFER_HLG &&
-        destTransfer != HAL_DATASPACE_TRANSFER_ST2084) {
-        destTransfer = HAL_DATASPACE_TRANSFER_SRGB;
-    }
-
-    if (sourceTransfer != HAL_DATASPACE_TRANSFER_LINEAR &&
-        sourceTransfer != HAL_DATASPACE_TRANSFER_HLG &&
-        sourceTransfer != HAL_DATASPACE_TRANSFER_ST2084) {
-        sourceTransfer = HAL_DATASPACE_TRANSFER_SRGB;
-    }
-
-    const bool isSourceLinear = sourceTransfer == HAL_DATASPACE_TRANSFER_LINEAR;
-    const bool isSourceSRGB = sourceTransfer == HAL_DATASPACE_TRANSFER_SRGB;
-    const bool isDestLinear = destTransfer == HAL_DATASPACE_TRANSFER_LINEAR;
-    const bool isDestSRGB = destTransfer == HAL_DATASPACE_TRANSFER_SRGB;
-
-    return !(isSourceLinear && isDestSRGB) && !(isSourceSRGB && isDestLinear) &&
-            sourceTransfer != destTransfer;
-}
-
-void SkiaGLRenderEngine::mapExternalTextureBuffer(const sp<GraphicBuffer>& buffer,
-                                                  bool isRenderable) {
-    // Only run this if RE is running on its own thread. This way the access to GL
-    // operations is guaranteed to be happening on the same thread.
-    if (mRenderEngineType != RenderEngineType::SKIA_GL_THREADED) {
-        return;
-    }
-    // We currently don't attempt to map a buffer if the buffer contains protected content
-    // because GPU resources for protected buffers is much more limited.
-    const bool isProtectedBuffer = buffer->getUsage() & GRALLOC_USAGE_PROTECTED;
-    if (isProtectedBuffer) {
-        return;
-    }
+base::unique_fd SkiaGLRenderEngine::flush() {
     ATRACE_CALL();
-
-    // If we were to support caching protected buffers then we will need to switch the
-    // currently bound context if we are not already using the protected context (and subsequently
-    // switch back after the buffer is cached).  However, for non-protected content we can bind
-    // the texture in either GL context because they are initialized with the same share_context
-    // which allows the texture state to be shared between them.
-    auto grContext = getActiveGrContext();
-    auto& cache = mTextureCache;
-
-    std::lock_guard<std::mutex> lock(mRenderingMutex);
-    mGraphicBufferExternalRefs[buffer->getId()]++;
-
-    if (const auto& iter = cache.find(buffer->getId()); iter == cache.end()) {
-        std::shared_ptr<AutoBackendTexture::LocalRef> imageTextureRef =
-                std::make_shared<AutoBackendTexture::LocalRef>(grContext,
-                                                               buffer->toAHardwareBuffer(),
-                                                               isRenderable, mTextureCleanupMgr);
-        cache.insert({buffer->getId(), imageTextureRef});
-    }
-}
-
-void SkiaGLRenderEngine::unmapExternalTextureBuffer(const sp<GraphicBuffer>& buffer) {
-    ATRACE_CALL();
-    std::lock_guard<std::mutex> lock(mRenderingMutex);
-    if (const auto& iter = mGraphicBufferExternalRefs.find(buffer->getId());
-        iter != mGraphicBufferExternalRefs.end()) {
-        if (iter->second == 0) {
-            ALOGW("Attempted to unmap GraphicBuffer <id: %" PRId64
-                  "> from RenderEngine texture, but the "
-                  "ref count was already zero!",
-                  buffer->getId());
-            mGraphicBufferExternalRefs.erase(buffer->getId());
-            return;
-        }
-
-        iter->second--;
-
-        // Swap contexts if needed prior to deleting this buffer
-        // See Issue 1 of
-        // https://www.khronos.org/registry/EGL/extensions/EXT/EGL_EXT_protected_content.txt: even
-        // when a protected context and an unprotected context are part of the same share group,
-        // protected surfaces may not be accessed by an unprotected context, implying that protected
-        // surfaces may only be freed when a protected context is active.
-        const bool inProtected = mInProtectedContext;
-        useProtectedContext(buffer->getUsage() & GRALLOC_USAGE_PROTECTED);
-
-        if (iter->second == 0) {
-            mTextureCache.erase(buffer->getId());
-            mGraphicBufferExternalRefs.erase(buffer->getId());
-        }
-
-        // Swap back to the previous context so that cached values of isProtected in SurfaceFlinger
-        // are up-to-date.
-        if (inProtected != mInProtectedContext) {
-            useProtectedContext(inProtected);
-        }
-    }
-}
-
-bool SkiaGLRenderEngine::canSkipPostRenderCleanup() const {
-    std::lock_guard<std::mutex> lock(mRenderingMutex);
-    return mTextureCleanupMgr.isEmpty();
-}
-
-void SkiaGLRenderEngine::cleanupPostRender() {
-    ATRACE_CALL();
-    std::lock_guard<std::mutex> lock(mRenderingMutex);
-    mTextureCleanupMgr.cleanup();
-}
-
-// Helper class intended to be used on the stack to ensure that texture cleanup
-// is deferred until after this class goes out of scope.
-class DeferTextureCleanup final {
-public:
-    DeferTextureCleanup(AutoBackendTexture::CleanupManager& mgr) : mMgr(mgr) {
-        mMgr.setDeferredStatus(true);
-    }
-    ~DeferTextureCleanup() { mMgr.setDeferredStatus(false); }
-
-private:
-    DISALLOW_COPY_AND_ASSIGN(DeferTextureCleanup);
-    AutoBackendTexture::CleanupManager& mMgr;
-};
-
-sk_sp<SkShader> SkiaGLRenderEngine::createRuntimeEffectShader(
-        const RuntimeEffectShaderParameters& parameters) {
-    // The given surface will be stretched by HWUI via matrix transformation
-    // which gets similar results for most surfaces
-    // Determine later on if we need to leverage the stertch shader within
-    // surface flinger
-    const auto& stretchEffect = parameters.layer.stretchEffect;
-    auto shader = parameters.shader;
-    if (stretchEffect.hasEffect()) {
-        const auto targetBuffer = parameters.layer.source.buffer.buffer;
-        const auto graphicBuffer = targetBuffer ? targetBuffer->getBuffer() : nullptr;
-        if (graphicBuffer && parameters.shader) {
-            shader = mStretchShaderFactory.createSkShader(shader, stretchEffect);
-        }
+    if (!gl::GLExtensions::getInstance().hasNativeFenceSync()) {
+        return base::unique_fd();
     }
 
-    if (parameters.requiresLinearEffect) {
-        const ui::Dataspace inputDataspace = mUseColorManagement ? parameters.layer.sourceDataspace
-                                                                 : ui::Dataspace::V0_SRGB_LINEAR;
-        const ui::Dataspace outputDataspace = mUseColorManagement
-                ? parameters.display.outputDataspace
-                : ui::Dataspace::V0_SRGB_LINEAR;
-
-        auto effect =
-                shaders::LinearEffect{.inputDataspace = inputDataspace,
-                                      .outputDataspace = outputDataspace,
-                                      .undoPremultipliedAlpha = parameters.undoPremultipliedAlpha};
-
-        auto effectIter = mRuntimeEffects.find(effect);
-        sk_sp<SkRuntimeEffect> runtimeEffect = nullptr;
-        if (effectIter == mRuntimeEffects.end()) {
-            runtimeEffect = buildRuntimeEffect(effect);
-            mRuntimeEffects.insert({effect, runtimeEffect});
-        } else {
-            runtimeEffect = effectIter->second;
-        }
-        mat4 colorTransform = parameters.layer.colorTransform;
-
-        colorTransform *=
-                mat4::scale(vec4(parameters.layerDimmingRatio, parameters.layerDimmingRatio,
-                                 parameters.layerDimmingRatio, 1.f));
-        const auto targetBuffer = parameters.layer.source.buffer.buffer;
-        const auto graphicBuffer = targetBuffer ? targetBuffer->getBuffer() : nullptr;
-        const auto hardwareBuffer = graphicBuffer ? graphicBuffer->toAHardwareBuffer() : nullptr;
-        return createLinearEffectShader(parameters.shader, effect, runtimeEffect, colorTransform,
-                                        parameters.display.maxLuminance,
-                                        parameters.display.currentLuminanceNits,
-                                        parameters.layer.source.buffer.maxLuminanceNits,
-                                        hardwareBuffer, parameters.display.renderIntent);
-    }
-    return parameters.shader;
-}
-
-void SkiaGLRenderEngine::initCanvas(SkCanvas* canvas, const DisplaySettings& display) {
-    if (CC_UNLIKELY(mCapture->isCaptureRunning())) {
-        // Record display settings when capture is running.
-        std::stringstream displaySettings;
-        PrintTo(display, &displaySettings);
-        // Store the DisplaySettings in additional information.
-        canvas->drawAnnotation(SkRect::MakeEmpty(), "DisplaySettings",
-                               SkData::MakeWithCString(displaySettings.str().c_str()));
+    EGLSyncKHR sync = eglCreateSyncKHR(mEGLDisplay, EGL_SYNC_NATIVE_FENCE_ANDROID, nullptr);
+    if (sync == EGL_NO_SYNC_KHR) {
+        ALOGW("failed to create EGL native fence sync: %#x", eglGetError());
+        return base::unique_fd();
     }
 
-    // Before doing any drawing, let's make sure that we'll start at the origin of the display.
-    // Some displays don't start at 0,0 for example when we're mirroring the screen. Also, virtual
-    // displays might have different scaling when compared to the physical screen.
+    // native fence fd will not be populated until flush() is done.
+    glFlush();
 
-    canvas->clipRect(getSkRect(display.physicalDisplay));
-    canvas->translate(display.physicalDisplay.left, display.physicalDisplay.top);
-
-    const auto clipWidth = display.clip.width();
-    const auto clipHeight = display.clip.height();
-    auto rotatedClipWidth = clipWidth;
-    auto rotatedClipHeight = clipHeight;
-    // Scale is contingent on the rotation result.
-    if (display.orientation & ui::Transform::ROT_90) {
-        std::swap(rotatedClipWidth, rotatedClipHeight);
-    }
-    const auto scaleX = static_cast<SkScalar>(display.physicalDisplay.width()) /
-            static_cast<SkScalar>(rotatedClipWidth);
-    const auto scaleY = static_cast<SkScalar>(display.physicalDisplay.height()) /
-            static_cast<SkScalar>(rotatedClipHeight);
-    canvas->scale(scaleX, scaleY);
-
-    // Canvas rotation is done by centering the clip window at the origin, rotating, translating
-    // back so that the top left corner of the clip is at (0, 0).
-    canvas->translate(rotatedClipWidth / 2, rotatedClipHeight / 2);
-    canvas->rotate(toDegrees(display.orientation));
-    canvas->translate(-clipWidth / 2, -clipHeight / 2);
-    canvas->translate(-display.clip.left, -display.clip.top);
-}
-
-class AutoSaveRestore {
-public:
-    AutoSaveRestore(SkCanvas* canvas) : mCanvas(canvas) { mSaveCount = canvas->save(); }
-    ~AutoSaveRestore() { restore(); }
-    void replace(SkCanvas* canvas) {
-        mCanvas = canvas;
-        mSaveCount = canvas->save();
-    }
-    void restore() {
-        if (mCanvas) {
-            mCanvas->restoreToCount(mSaveCount);
-            mCanvas = nullptr;
-        }
+    // get the fence fd
+    base::unique_fd fenceFd(eglDupNativeFenceFDANDROID(mEGLDisplay, sync));
+    eglDestroySyncKHR(mEGLDisplay, sync);
+    if (fenceFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
+        ALOGW("failed to dup EGL native fence sync: %#x", eglGetError());
     }
 
-private:
-    SkCanvas* mCanvas;
-    int mSaveCount;
-};
-
-static SkRRect getBlurRRect(const BlurRegion& region) {
-    const auto rect = SkRect::MakeLTRB(region.left, region.top, region.right, region.bottom);
-    const SkVector radii[4] = {SkVector::Make(region.cornerRadiusTL, region.cornerRadiusTL),
-                               SkVector::Make(region.cornerRadiusTR, region.cornerRadiusTR),
-                               SkVector::Make(region.cornerRadiusBR, region.cornerRadiusBR),
-                               SkVector::Make(region.cornerRadiusBL, region.cornerRadiusBL)};
-    SkRRect roundedRect;
-    roundedRect.setRectRadii(rect, radii);
-    return roundedRect;
-}
-
-// Arbitrary default margin which should be close enough to zero.
-constexpr float kDefaultMargin = 0.0001f;
-static bool equalsWithinMargin(float expected, float value, float margin = kDefaultMargin) {
-    LOG_ALWAYS_FATAL_IF(margin < 0.f, "Margin is negative!");
-    return std::abs(expected - value) < margin;
-}
-
-namespace {
-template <typename T>
-void logSettings(const T& t) {
-    std::stringstream stream;
-    PrintTo(t, &stream);
-    auto string = stream.str();
-    size_t pos = 0;
-    // Perfetto ignores \n, so split up manually into separate ALOGD statements.
-    const size_t size = string.size();
-    while (pos < size) {
-        const size_t end = std::min(string.find("\n", pos), size);
-        ALOGD("%s", string.substr(pos, end - pos).c_str());
-        pos = end + 1;
-    }
-}
-} // namespace
-
-void SkiaGLRenderEngine::drawLayersInternal(
-        const std::shared_ptr<std::promise<RenderEngineResult>>&& resultPromise,
-        const DisplaySettings& display, const std::vector<LayerSettings>& layers,
-        const std::shared_ptr<ExternalTexture>& buffer, const bool /*useFramebufferCache*/,
-        base::unique_fd&& bufferFence) {
-    ATRACE_NAME("SkiaGL::drawLayersInternal");
-
-    std::lock_guard<std::mutex> lock(mRenderingMutex);
-    if (buffer == nullptr) {
-        ALOGE("No output buffer provided. Aborting GPU composition.");
-        resultPromise->set_value({BAD_VALUE, base::unique_fd()});
-        return;
-    }
-
-    validateOutputBufferUsage(buffer->getBuffer());
-
-    auto grContext = getActiveGrContext();
-    auto& cache = mTextureCache;
-
-    // any AutoBackendTexture deletions will now be deferred until cleanupPostRender is called
-    DeferTextureCleanup dtc(mTextureCleanupMgr);
-
-    std::shared_ptr<AutoBackendTexture::LocalRef> surfaceTextureRef;
-    if (const auto& it = cache.find(buffer->getBuffer()->getId()); it != cache.end()) {
-        surfaceTextureRef = it->second;
-    } else {
-        surfaceTextureRef =
-                std::make_shared<AutoBackendTexture::LocalRef>(grContext,
-                                                               buffer->getBuffer()
-                                                                       ->toAHardwareBuffer(),
-                                                               true, mTextureCleanupMgr);
-    }
-
-    // wait on the buffer to be ready to use prior to using it
-    waitFence(bufferFence);
-
-    const ui::Dataspace dstDataspace =
-            mUseColorManagement ? display.outputDataspace : ui::Dataspace::V0_SRGB_LINEAR;
-    sk_sp<SkSurface> dstSurface = surfaceTextureRef->getOrCreateSurface(dstDataspace, grContext);
-
-    SkCanvas* dstCanvas = mCapture->tryCapture(dstSurface.get());
-    if (dstCanvas == nullptr) {
-        ALOGE("Cannot acquire canvas from Skia.");
-        resultPromise->set_value({BAD_VALUE, base::unique_fd()});
-        return;
-    }
-
-    // setup color filter if necessary
-    sk_sp<SkColorFilter> displayColorTransform;
-    if (display.colorTransform != mat4() && !display.deviceHandlesColorTransform) {
-        displayColorTransform = SkColorFilters::Matrix(toSkColorMatrix(display.colorTransform));
-    }
-    const bool ctModifiesAlpha =
-            displayColorTransform && !displayColorTransform->isAlphaUnchanged();
-
-    // Find the max layer white point to determine the max luminance of the scene...
-    const float maxLayerWhitePoint = std::transform_reduce(
-            layers.cbegin(), layers.cend(), 0.f,
-            [](float left, float right) { return std::max(left, right); },
-            [&](const auto& l) { return l.whitePointNits; });
-
-    // ...and compute the dimming ratio if dimming is requested
-    const float displayDimmingRatio = display.targetLuminanceNits > 0.f &&
-                    maxLayerWhitePoint > 0.f && display.targetLuminanceNits > maxLayerWhitePoint
-            ? maxLayerWhitePoint / display.targetLuminanceNits
-            : 1.f;
-
-    // Find if any layers have requested blur, we'll use that info to decide when to render to an
-    // offscreen buffer and when to render to the native buffer.
-    sk_sp<SkSurface> activeSurface(dstSurface);
-    SkCanvas* canvas = dstCanvas;
-    SkiaCapture::OffscreenState offscreenCaptureState;
-    const LayerSettings* blurCompositionLayer = nullptr;
-    if (mBlurFilter) {
-        bool requiresCompositionLayer = false;
-        for (const auto& layer : layers) {
-            // if the layer doesn't have blur or it is not visible then continue
-            if (!layerHasBlur(layer, ctModifiesAlpha)) {
-                continue;
-            }
-            if (layer.backgroundBlurRadius > 0 &&
-                layer.backgroundBlurRadius < mBlurFilter->getMaxCrossFadeRadius()) {
-                requiresCompositionLayer = true;
-            }
-            for (auto region : layer.blurRegions) {
-                if (region.blurRadius < mBlurFilter->getMaxCrossFadeRadius()) {
-                    requiresCompositionLayer = true;
-                }
-            }
-            if (requiresCompositionLayer) {
-                activeSurface = dstSurface->makeSurface(dstSurface->imageInfo());
-                canvas = mCapture->tryOffscreenCapture(activeSurface.get(), &offscreenCaptureState);
-                blurCompositionLayer = &layer;
-                break;
-            }
-        }
-    }
-
-    AutoSaveRestore surfaceAutoSaveRestore(canvas);
-    // Clear the entire canvas with a transparent black to prevent ghost images.
-    canvas->clear(SK_ColorTRANSPARENT);
-    initCanvas(canvas, display);
-
-    if (kPrintLayerSettings) {
-        logSettings(display);
-    }
-    for (const auto& layer : layers) {
-        ATRACE_FORMAT("DrawLayer: %s", layer.name.c_str());
-
-        if (kPrintLayerSettings) {
-            logSettings(layer);
-        }
-
-        sk_sp<SkImage> blurInput;
-        if (blurCompositionLayer == &layer) {
-            LOG_ALWAYS_FATAL_IF(activeSurface == dstSurface);
-            LOG_ALWAYS_FATAL_IF(canvas == dstCanvas);
-
-            // save a snapshot of the activeSurface to use as input to the blur shaders
-            blurInput = activeSurface->makeImageSnapshot();
-
-            // blit the offscreen framebuffer into the destination AHB, but only
-            // if there are blur regions. backgroundBlurRadius blurs the entire
-            // image below, so it can skip this step.
-            if (layer.blurRegions.size()) {
-                SkPaint paint;
-                paint.setBlendMode(SkBlendMode::kSrc);
-                if (CC_UNLIKELY(mCapture->isCaptureRunning())) {
-                    uint64_t id = mCapture->endOffscreenCapture(&offscreenCaptureState);
-                    dstCanvas->drawAnnotation(SkRect::Make(dstCanvas->imageInfo().dimensions()),
-                                              String8::format("SurfaceID|%" PRId64, id).c_str(),
-                                              nullptr);
-                    dstCanvas->drawImage(blurInput, 0, 0, SkSamplingOptions(), &paint);
-                } else {
-                    activeSurface->draw(dstCanvas, 0, 0, SkSamplingOptions(), &paint);
-                }
-            }
-
-            // assign dstCanvas to canvas and ensure that the canvas state is up to date
-            canvas = dstCanvas;
-            surfaceAutoSaveRestore.replace(canvas);
-            initCanvas(canvas, display);
-
-            LOG_ALWAYS_FATAL_IF(activeSurface->getCanvas()->getSaveCount() !=
-                                dstSurface->getCanvas()->getSaveCount());
-            LOG_ALWAYS_FATAL_IF(activeSurface->getCanvas()->getTotalMatrix() !=
-                                dstSurface->getCanvas()->getTotalMatrix());
-
-            // assign dstSurface to activeSurface
-            activeSurface = dstSurface;
-        }
-
-        SkAutoCanvasRestore layerAutoSaveRestore(canvas, true);
-        if (CC_UNLIKELY(mCapture->isCaptureRunning())) {
-            // Record the name of the layer if the capture is running.
-            std::stringstream layerSettings;
-            PrintTo(layer, &layerSettings);
-            // Store the LayerSettings in additional information.
-            canvas->drawAnnotation(SkRect::MakeEmpty(), layer.name.c_str(),
-                                   SkData::MakeWithCString(layerSettings.str().c_str()));
-        }
-        // Layers have a local transform that should be applied to them
-        canvas->concat(getSkM44(layer.geometry.positionTransform).asM33());
-
-        const auto [bounds, roundRectClip] =
-                getBoundsAndClip(layer.geometry.boundaries, layer.geometry.roundedCornersCrop,
-                                 layer.geometry.roundedCornersRadius);
-        if (mBlurFilter && layerHasBlur(layer, ctModifiesAlpha)) {
-            std::unordered_map<uint32_t, sk_sp<SkImage>> cachedBlurs;
-
-            // if multiple layers have blur, then we need to take a snapshot now because
-            // only the lowest layer will have blurImage populated earlier
-            if (!blurInput) {
-                blurInput = activeSurface->makeImageSnapshot();
-            }
-            // rect to be blurred in the coordinate space of blurInput
-            const auto blurRect = canvas->getTotalMatrix().mapRect(bounds.rect());
-
-            // if the clip needs to be applied then apply it now and make sure
-            // it is restored before we attempt to draw any shadows.
-            SkAutoCanvasRestore acr(canvas, true);
-            if (!roundRectClip.isEmpty()) {
-                canvas->clipRRect(roundRectClip, true);
-            }
-
-            // TODO(b/182216890): Filter out empty layers earlier
-            if (blurRect.width() > 0 && blurRect.height() > 0) {
-                if (layer.backgroundBlurRadius > 0) {
-                    ATRACE_NAME("BackgroundBlur");
-                    auto blurredImage = mBlurFilter->generate(grContext, layer.backgroundBlurRadius,
-                                                              blurInput, blurRect);
-
-                    cachedBlurs[layer.backgroundBlurRadius] = blurredImage;
-
-                    mBlurFilter->drawBlurRegion(canvas, bounds, layer.backgroundBlurRadius, 1.0f,
-                                                blurRect, blurredImage, blurInput);
-                }
-
-                canvas->concat(getSkM44(layer.blurRegionTransform).asM33());
-                for (auto region : layer.blurRegions) {
-                    if (cachedBlurs[region.blurRadius] == nullptr) {
-                        ATRACE_NAME("BlurRegion");
-                        cachedBlurs[region.blurRadius] =
-                                mBlurFilter->generate(grContext, region.blurRadius, blurInput,
-                                                      blurRect);
-                    }
-
-                    mBlurFilter->drawBlurRegion(canvas, getBlurRRect(region), region.blurRadius,
-                                                region.alpha, blurRect,
-                                                cachedBlurs[region.blurRadius], blurInput);
-                }
-            }
-        }
-
-        if (layer.shadow.length > 0) {
-            // This would require a new parameter/flag to SkShadowUtils::DrawShadow
-            LOG_ALWAYS_FATAL_IF(layer.disableBlending, "Cannot disableBlending with a shadow");
-
-            SkRRect shadowBounds, shadowClip;
-            if (layer.geometry.boundaries == layer.shadow.boundaries) {
-                shadowBounds = bounds;
-                shadowClip = roundRectClip;
-            } else {
-                std::tie(shadowBounds, shadowClip) =
-                        getBoundsAndClip(layer.shadow.boundaries, layer.geometry.roundedCornersCrop,
-                                         layer.geometry.roundedCornersRadius);
-            }
-
-            // Technically, if bounds is a rect and roundRectClip is not empty,
-            // it means that the bounds and roundedCornersCrop were different
-            // enough that we should intersect them to find the proper shadow.
-            // In practice, this often happens when the two rectangles appear to
-            // not match due to rounding errors. Draw the rounded version, which
-            // looks more like the intent.
-            const auto& rrect =
-                    shadowBounds.isRect() && !shadowClip.isEmpty() ? shadowClip : shadowBounds;
-            drawShadow(canvas, rrect, layer.shadow);
-        }
-
-        const float layerDimmingRatio = layer.whitePointNits <= 0.f
-                ? displayDimmingRatio
-                : (layer.whitePointNits / maxLayerWhitePoint) * displayDimmingRatio;
-
-        const bool dimInLinearSpace = display.dimmingStage !=
-                aidl::android::hardware::graphics::composer3::DimmingStage::GAMMA_OETF;
-
-        const bool requiresLinearEffect = layer.colorTransform != mat4() ||
-                (mUseColorManagement &&
-                 needsToneMapping(layer.sourceDataspace, display.outputDataspace)) ||
-                (dimInLinearSpace && !equalsWithinMargin(1.f, layerDimmingRatio));
-
-        // quick abort from drawing the remaining portion of the layer
-        if (layer.skipContentDraw ||
-            (layer.alpha == 0 && !requiresLinearEffect && !layer.disableBlending &&
-             (!displayColorTransform || displayColorTransform->isAlphaUnchanged()))) {
-            continue;
-        }
-
-        // If we need to map to linear space or color management is disabled, then mark the source
-        // image with the same colorspace as the destination surface so that Skia's color
-        // management is a no-op.
-        const ui::Dataspace layerDataspace = (!mUseColorManagement || requiresLinearEffect)
-                ? dstDataspace
-                : layer.sourceDataspace;
-
-        SkPaint paint;
-        if (layer.source.buffer.buffer) {
-            ATRACE_NAME("DrawImage");
-            validateInputBufferUsage(layer.source.buffer.buffer->getBuffer());
-            const auto& item = layer.source.buffer;
-            std::shared_ptr<AutoBackendTexture::LocalRef> imageTextureRef = nullptr;
-
-            if (const auto& iter = cache.find(item.buffer->getBuffer()->getId());
-                iter != cache.end()) {
-                imageTextureRef = iter->second;
-            } else {
-                // If we didn't find the image in the cache, then create a local ref but don't cache
-                // it. If we're using skia, we're guaranteed to run on a dedicated GPU thread so if
-                // we didn't find anything in the cache then we intentionally did not cache this
-                // buffer's resources.
-                imageTextureRef = std::make_shared<
-                        AutoBackendTexture::LocalRef>(grContext,
-                                                      item.buffer->getBuffer()->toAHardwareBuffer(),
-                                                      false, mTextureCleanupMgr);
-            }
-
-            // if the layer's buffer has a fence, then we must must respect the fence prior to using
-            // the buffer.
-            if (layer.source.buffer.fence != nullptr) {
-                waitFence(layer.source.buffer.fence->get());
-            }
-
-            // isOpaque means we need to ignore the alpha in the image,
-            // replacing it with the alpha specified by the LayerSettings. See
-            // https://developer.android.com/reference/android/view/SurfaceControl.Builder#setOpaque(boolean)
-            // The proper way to do this is to use an SkColorType that ignores
-            // alpha, like kRGB_888x_SkColorType, and that is used if the
-            // incoming image is kRGBA_8888_SkColorType. However, the incoming
-            // image may be kRGBA_F16_SkColorType, for which there is no RGBX
-            // SkColorType, or kRGBA_1010102_SkColorType, for which we have
-            // kRGB_101010x_SkColorType, but it is not yet supported as a source
-            // on the GPU. (Adding both is tracked in skbug.com/12048.) In the
-            // meantime, we'll use a workaround that works unless we need to do
-            // any color conversion. The workaround requires that we pretend the
-            // image is already premultiplied, so that we do not premultiply it
-            // before applying SkBlendMode::kPlus.
-            const bool useIsOpaqueWorkaround = item.isOpaque &&
-                    (imageTextureRef->colorType() == kRGBA_1010102_SkColorType ||
-                     imageTextureRef->colorType() == kRGBA_F16_SkColorType);
-            const auto alphaType = useIsOpaqueWorkaround ? kPremul_SkAlphaType
-                    : item.isOpaque                      ? kOpaque_SkAlphaType
-                    : item.usePremultipliedAlpha         ? kPremul_SkAlphaType
-                                                         : kUnpremul_SkAlphaType;
-            sk_sp<SkImage> image = imageTextureRef->makeImage(layerDataspace, alphaType, grContext);
-
-            auto texMatrix = getSkM44(item.textureTransform).asM33();
-            // textureTansform was intended to be passed directly into a shader, so when
-            // building the total matrix with the textureTransform we need to first
-            // normalize it, then apply the textureTransform, then scale back up.
-            texMatrix.preScale(1.0f / bounds.width(), 1.0f / bounds.height());
-            texMatrix.postScale(image->width(), image->height());
-
-            SkMatrix matrix;
-            if (!texMatrix.invert(&matrix)) {
-                matrix = texMatrix;
-            }
-            // The shader does not respect the translation, so we add it to the texture
-            // transform for the SkImage. This will make sure that the correct layer contents
-            // are drawn in the correct part of the screen.
-            matrix.postTranslate(bounds.rect().fLeft, bounds.rect().fTop);
-
-            sk_sp<SkShader> shader;
-
-            if (layer.source.buffer.useTextureFiltering) {
-                shader = image->makeShader(SkTileMode::kClamp, SkTileMode::kClamp,
-                                           SkSamplingOptions(
-                                                   {SkFilterMode::kLinear, SkMipmapMode::kNone}),
-                                           &matrix);
-            } else {
-                shader = image->makeShader(SkSamplingOptions(), matrix);
-            }
-
-            if (useIsOpaqueWorkaround) {
-                shader = SkShaders::Blend(SkBlendMode::kPlus, shader,
-                                          SkShaders::Color(SkColors::kBlack,
-                                                           toSkColorSpace(layerDataspace)));
-            }
-
-            paint.setShader(createRuntimeEffectShader(
-                    RuntimeEffectShaderParameters{.shader = shader,
-                                                  .layer = layer,
-                                                  .display = display,
-                                                  .undoPremultipliedAlpha = !item.isOpaque &&
-                                                          item.usePremultipliedAlpha,
-                                                  .requiresLinearEffect = requiresLinearEffect,
-                                                  .layerDimmingRatio = dimInLinearSpace
-                                                          ? layerDimmingRatio
-                                                          : 1.f}));
-
-            // Turn on dithering when dimming beyond this (arbitrary) threshold...
-            static constexpr float kDimmingThreshold = 0.2f;
-            // ...or we're rendering an HDR layer down to an 8-bit target
-            // Most HDR standards require at least 10-bits of color depth for source content, so we
-            // can just extract the transfer function rather than dig into precise gralloc layout.
-            // Furthermore, we can assume that the only 8-bit target we support is RGBA8888.
-            const bool requiresDownsample = isHdrDataspace(layer.sourceDataspace) &&
-                    buffer->getPixelFormat() == PIXEL_FORMAT_RGBA_8888;
-            if (layerDimmingRatio <= kDimmingThreshold || requiresDownsample) {
-                paint.setDither(true);
-            }
-            paint.setAlphaf(layer.alpha);
-
-            if (imageTextureRef->colorType() == kAlpha_8_SkColorType) {
-                LOG_ALWAYS_FATAL_IF(layer.disableBlending, "Cannot disableBlending with A8");
-
-                // SysUI creates the alpha layer as a coverage layer, which is
-                // appropriate for the DPU. Use a color matrix to convert it to
-                // a mask.
-                // TODO (b/219525258): Handle input as a mask.
-                //
-                // The color matrix will convert A8 pixels with no alpha to
-                // black, as described by this vector. If the display handles
-                // the color transform, we need to invert it to find the color
-                // that will result in black after the DPU applies the transform.
-                SkV4 black{0.0f, 0.0f, 0.0f, 1.0f}; // r, g, b, a
-                if (display.colorTransform != mat4() && display.deviceHandlesColorTransform) {
-                    SkM44 colorSpaceMatrix = getSkM44(display.colorTransform);
-                    if (colorSpaceMatrix.invert(&colorSpaceMatrix)) {
-                        black = colorSpaceMatrix * black;
-                    } else {
-                        // We'll just have to use 0,0,0 as black, which should
-                        // be close to correct.
-                        ALOGI("Could not invert colorTransform!");
-                    }
-                }
-                SkColorMatrix colorMatrix(0, 0, 0, 0, black[0],
-                                          0, 0, 0, 0, black[1],
-                                          0, 0, 0, 0, black[2],
-                                          0, 0, 0, -1, 1);
-                if (display.colorTransform != mat4() && !display.deviceHandlesColorTransform) {
-                    // On the other hand, if the device doesn't handle it, we
-                    // have to apply it ourselves.
-                    colorMatrix.postConcat(toSkColorMatrix(display.colorTransform));
-                }
-                paint.setColorFilter(SkColorFilters::Matrix(colorMatrix));
-            }
-        } else {
-            ATRACE_NAME("DrawColor");
-            const auto color = layer.source.solidColor;
-            sk_sp<SkShader> shader = SkShaders::Color(SkColor4f{.fR = color.r,
-                                                                .fG = color.g,
-                                                                .fB = color.b,
-                                                                .fA = layer.alpha},
-                                                      toSkColorSpace(layerDataspace));
-            paint.setShader(createRuntimeEffectShader(
-                    RuntimeEffectShaderParameters{.shader = shader,
-                                                  .layer = layer,
-                                                  .display = display,
-                                                  .undoPremultipliedAlpha = false,
-                                                  .requiresLinearEffect = requiresLinearEffect,
-                                                  .layerDimmingRatio = layerDimmingRatio}));
-        }
-
-        if (layer.disableBlending) {
-            paint.setBlendMode(SkBlendMode::kSrc);
-        }
-
-        // An A8 buffer will already have the proper color filter attached to
-        // its paint, including the displayColorTransform as needed.
-        if (!paint.getColorFilter()) {
-            if (!dimInLinearSpace && !equalsWithinMargin(1.0, layerDimmingRatio)) {
-                // If we don't dim in linear space, then when we gamma correct the dimming ratio we
-                // can assume a gamma 2.2 transfer function.
-                static constexpr float kInverseGamma22 = 1.f / 2.2f;
-                const auto gammaCorrectedDimmingRatio =
-                        std::pow(layerDimmingRatio, kInverseGamma22);
-                auto dimmingMatrix =
-                        mat4::scale(vec4(gammaCorrectedDimmingRatio, gammaCorrectedDimmingRatio,
-                                         gammaCorrectedDimmingRatio, 1.f));
-
-                const auto colorFilter =
-                        SkColorFilters::Matrix(toSkColorMatrix(std::move(dimmingMatrix)));
-                paint.setColorFilter(displayColorTransform
-                                             ? displayColorTransform->makeComposed(colorFilter)
-                                             : colorFilter);
-            } else {
-                paint.setColorFilter(displayColorTransform);
-            }
-        }
-
-        if (!roundRectClip.isEmpty()) {
-            canvas->clipRRect(roundRectClip, true);
-        }
-
-        if (!bounds.isRect()) {
-            paint.setAntiAlias(true);
-            canvas->drawRRect(bounds, paint);
-        } else {
-            canvas->drawRect(bounds.rect(), paint);
-        }
-        if (kFlushAfterEveryLayer) {
-            ATRACE_NAME("flush surface");
-            activeSurface->flush();
-        }
-    }
-    for (const auto& borderRenderInfo : display.borderInfoList) {
-        SkPaint p;
-        p.setColor(SkColor4f{borderRenderInfo.color.r, borderRenderInfo.color.g,
-                             borderRenderInfo.color.b, borderRenderInfo.color.a});
-        p.setAntiAlias(true);
-        p.setStyle(SkPaint::kStroke_Style);
-        p.setStrokeWidth(borderRenderInfo.width);
-        SkRegion sk_region;
-        SkPath path;
-
-        // Construct a final SkRegion using Regions
-        for (const auto& r : borderRenderInfo.combinedRegion) {
-            sk_region.op({r.left, r.top, r.right, r.bottom}, SkRegion::kUnion_Op);
-        }
-
-        sk_region.getBoundaryPath(&path);
-        canvas->drawPath(path, p);
-        path.close();
-    }
-
-    surfaceAutoSaveRestore.restore();
-    mCapture->endCapture();
-    {
-        ATRACE_NAME("flush surface");
-        LOG_ALWAYS_FATAL_IF(activeSurface != dstSurface);
-        activeSurface->flush();
-    }
-
-    base::unique_fd drawFence = flush();
-
-    // If flush failed or we don't support native fences, we need to force the
-    // gl command stream to be executed.
-    bool requireSync = drawFence.get() < 0;
-    if (requireSync) {
-        ATRACE_BEGIN("Submit(sync=true)");
-    } else {
-        ATRACE_BEGIN("Submit(sync=false)");
-    }
-    bool success = grContext->submit(requireSync);
-    ATRACE_END();
-    if (!success) {
-        ALOGE("Failed to flush RenderEngine commands");
-        // Chances are, something illegal happened (either the caller passed
-        // us bad parameters, or we messed up our shader generation).
-        resultPromise->set_value({INVALID_OPERATION, std::move(drawFence)});
-        return;
-    }
-
-    // checkErrors();
-    resultPromise->set_value({NO_ERROR, std::move(drawFence)});
-    return;
-}
-
-inline SkRect SkiaGLRenderEngine::getSkRect(const FloatRect& rect) {
-    return SkRect::MakeLTRB(rect.left, rect.top, rect.right, rect.bottom);
-}
-
-inline SkRect SkiaGLRenderEngine::getSkRect(const Rect& rect) {
-    return SkRect::MakeLTRB(rect.left, rect.top, rect.right, rect.bottom);
-}
-
-/**
- *  Verifies that common, simple bounds + clip combinations can be converted into
- *  a single RRect draw call returning true if possible. If true the radii parameter
- *  will be filled with the correct radii values that combined with bounds param will
- *  produce the insected roundRect. If false, the returned state of the radii param is undefined.
- */
-static bool intersectionIsRoundRect(const SkRect& bounds, const SkRect& crop,
-                                    const SkRect& insetCrop, const vec2& cornerRadius,
-                                    SkVector radii[4]) {
-    const bool leftEqual = bounds.fLeft == crop.fLeft;
-    const bool topEqual = bounds.fTop == crop.fTop;
-    const bool rightEqual = bounds.fRight == crop.fRight;
-    const bool bottomEqual = bounds.fBottom == crop.fBottom;
-
-    // In the event that the corners of the bounds only partially align with the crop we
-    // need to ensure that the resulting shape can still be represented as a round rect.
-    // In particular the round rect implementation will scale the value of all corner radii
-    // if the sum of the radius along any edge is greater than the length of that edge.
-    // See https://www.w3.org/TR/css-backgrounds-3/#corner-overlap
-    const bool requiredWidth = bounds.width() > (cornerRadius.x * 2);
-    const bool requiredHeight = bounds.height() > (cornerRadius.y * 2);
-    if (!requiredWidth || !requiredHeight) {
-        return false;
-    }
-
-    // Check each cropped corner to ensure that it exactly matches the crop or its corner is
-    // contained within the cropped shape and does not need rounded.
-    // compute the UpperLeft corner radius
-    if (leftEqual && topEqual) {
-        radii[0].set(cornerRadius.x, cornerRadius.y);
-    } else if ((leftEqual && bounds.fTop >= insetCrop.fTop) ||
-               (topEqual && bounds.fLeft >= insetCrop.fLeft)) {
-        radii[0].set(0, 0);
-    } else {
-        return false;
-    }
-    // compute the UpperRight corner radius
-    if (rightEqual && topEqual) {
-        radii[1].set(cornerRadius.x, cornerRadius.y);
-    } else if ((rightEqual && bounds.fTop >= insetCrop.fTop) ||
-               (topEqual && bounds.fRight <= insetCrop.fRight)) {
-        radii[1].set(0, 0);
-    } else {
-        return false;
-    }
-    // compute the BottomRight corner radius
-    if (rightEqual && bottomEqual) {
-        radii[2].set(cornerRadius.x, cornerRadius.y);
-    } else if ((rightEqual && bounds.fBottom <= insetCrop.fBottom) ||
-               (bottomEqual && bounds.fRight <= insetCrop.fRight)) {
-        radii[2].set(0, 0);
-    } else {
-        return false;
-    }
-    // compute the BottomLeft corner radius
-    if (leftEqual && bottomEqual) {
-        radii[3].set(cornerRadius.x, cornerRadius.y);
-    } else if ((leftEqual && bounds.fBottom <= insetCrop.fBottom) ||
-               (bottomEqual && bounds.fLeft >= insetCrop.fLeft)) {
-        radii[3].set(0, 0);
-    } else {
-        return false;
-    }
-
-    return true;
-}
-
-inline std::pair<SkRRect, SkRRect> SkiaGLRenderEngine::getBoundsAndClip(const FloatRect& boundsRect,
-                                                                        const FloatRect& cropRect,
-                                                                        const vec2& cornerRadius) {
-    const SkRect bounds = getSkRect(boundsRect);
-    const SkRect crop = getSkRect(cropRect);
-
-    SkRRect clip;
-    if (cornerRadius.x > 0 && cornerRadius.y > 0) {
-        // it the crop and the bounds are equivalent or there is no crop then we don't need a clip
-        if (bounds == crop || crop.isEmpty()) {
-            return {SkRRect::MakeRectXY(bounds, cornerRadius.x, cornerRadius.y), clip};
-        }
-
-        // This makes an effort to speed up common, simple bounds + clip combinations by
-        // converting them to a single RRect draw. It is possible there are other cases
-        // that can be converted.
-        if (crop.contains(bounds)) {
-            const auto insetCrop = crop.makeInset(cornerRadius.x, cornerRadius.y);
-            if (insetCrop.contains(bounds)) {
-                return {SkRRect::MakeRect(bounds), clip}; // clip is empty - no rounding required
-            }
-
-            SkVector radii[4];
-            if (intersectionIsRoundRect(bounds, crop, insetCrop, cornerRadius, radii)) {
-                SkRRect intersectionBounds;
-                intersectionBounds.setRectRadii(bounds, radii);
-                return {intersectionBounds, clip};
-            }
-        }
-
-        // we didn't hit any of our fast paths so set the clip to the cropRect
-        clip.setRectXY(crop, cornerRadius.x, cornerRadius.y);
-    }
-
-    // if we hit this point then we either don't have rounded corners or we are going to rely
-    // on the clip to round the corners for us
-    return {SkRRect::MakeRect(bounds), clip};
-}
-
-inline bool SkiaGLRenderEngine::layerHasBlur(const LayerSettings& layer,
-                                             bool colorTransformModifiesAlpha) {
-    if (layer.backgroundBlurRadius > 0 || layer.blurRegions.size()) {
-        // return false if the content is opaque and would therefore occlude the blur
-        const bool opaqueContent = !layer.source.buffer.buffer || layer.source.buffer.isOpaque;
-        const bool opaqueAlpha = layer.alpha == 1.0f && !colorTransformModifiesAlpha;
-        return layer.skipContentDraw || !(opaqueContent && opaqueAlpha);
-    }
-    return false;
-}
-
-inline SkColor SkiaGLRenderEngine::getSkColor(const vec4& color) {
-    return SkColorSetARGB(color.a * 255, color.r * 255, color.g * 255, color.b * 255);
-}
-
-inline SkM44 SkiaGLRenderEngine::getSkM44(const mat4& matrix) {
-    return SkM44(matrix[0][0], matrix[1][0], matrix[2][0], matrix[3][0],
-                 matrix[0][1], matrix[1][1], matrix[2][1], matrix[3][1],
-                 matrix[0][2], matrix[1][2], matrix[2][2], matrix[3][2],
-                 matrix[0][3], matrix[1][3], matrix[2][3], matrix[3][3]);
-}
-
-inline SkPoint3 SkiaGLRenderEngine::getSkPoint3(const vec3& vector) {
-    return SkPoint3::Make(vector.x, vector.y, vector.z);
-}
-
-size_t SkiaGLRenderEngine::getMaxTextureSize() const {
-    return mGrContext->maxTextureSize();
-}
-
-size_t SkiaGLRenderEngine::getMaxViewportDims() const {
-    return mGrContext->maxRenderTargetSize();
-}
-
-void SkiaGLRenderEngine::drawShadow(SkCanvas* canvas, const SkRRect& casterRRect,
-                                    const ShadowSettings& settings) {
-    ATRACE_CALL();
-    const float casterZ = settings.length / 2.0f;
-    const auto flags =
-            settings.casterIsTranslucent ? kTransparentOccluder_ShadowFlag : kNone_ShadowFlag;
-
-    SkShadowUtils::DrawShadow(canvas, SkPath::RRect(casterRRect), SkPoint3::Make(0, 0, casterZ),
-                              getSkPoint3(settings.lightPos), settings.lightRadius,
-                              getSkColor(settings.ambientColor), getSkColor(settings.spotColor),
-                              flags);
+    return fenceFd;
 }
 
 EGLContext SkiaGLRenderEngine::createEglContext(EGLDisplay display, EGLConfig config,
@@ -1570,114 +519,14 @@
     return value;
 }
 
-void SkiaGLRenderEngine::onActiveDisplaySizeChanged(ui::Size size) {
-    // This cache multiplier was selected based on review of cache sizes relative
-    // to the screen resolution. Looking at the worst case memory needed by blur (~1.5x),
-    // shadows (~1x), and general data structures (e.g. vertex buffers) we selected this as a
-    // conservative default based on that analysis.
-    const float SURFACE_SIZE_MULTIPLIER = 3.5f * bytesPerPixel(mDefaultPixelFormat);
-    const int maxResourceBytes = size.width * size.height * SURFACE_SIZE_MULTIPLIER;
-
-    // start by resizing the current context
-    getActiveGrContext()->setResourceCacheLimit(maxResourceBytes);
-
-    // if it is possible to switch contexts then we will resize the other context
-    const bool originalProtectedState = mInProtectedContext;
-    useProtectedContext(!mInProtectedContext);
-    if (mInProtectedContext != originalProtectedState) {
-        getActiveGrContext()->setResourceCacheLimit(maxResourceBytes);
-        // reset back to the initial context that was active when this method was called
-        useProtectedContext(originalProtectedState);
-    }
-}
-
-void SkiaGLRenderEngine::dump(std::string& result) {
+void SkiaGLRenderEngine::appendBackendSpecificInfoToDump(std::string& result) {
     const gl::GLExtensions& extensions = gl::GLExtensions::getInstance();
-
-    StringAppendF(&result, "\n ------------RE-----------------\n");
+    StringAppendF(&result, "\n ------------RE GLES------------\n");
     StringAppendF(&result, "EGL implementation : %s\n", extensions.getEGLVersion());
     StringAppendF(&result, "%s\n", extensions.getEGLExtensions());
     StringAppendF(&result, "GLES: %s, %s, %s\n", extensions.getVendor(), extensions.getRenderer(),
                   extensions.getVersion());
     StringAppendF(&result, "%s\n", extensions.getExtensions());
-    StringAppendF(&result, "RenderEngine supports protected context: %d\n",
-                  supportsProtectedContent());
-    StringAppendF(&result, "RenderEngine is in protected context: %d\n", mInProtectedContext);
-    StringAppendF(&result, "RenderEngine shaders cached since last dump/primeCache: %d\n",
-                  mSkSLCacheMonitor.shadersCachedSinceLastCall());
-
-    std::vector<ResourcePair> cpuResourceMap = {
-            {"skia/sk_resource_cache/bitmap_", "Bitmaps"},
-            {"skia/sk_resource_cache/rrect-blur_", "Masks"},
-            {"skia/sk_resource_cache/rects-blur_", "Masks"},
-            {"skia/sk_resource_cache/tessellated", "Shadows"},
-            {"skia", "Other"},
-    };
-    SkiaMemoryReporter cpuReporter(cpuResourceMap, false);
-    SkGraphics::DumpMemoryStatistics(&cpuReporter);
-    StringAppendF(&result, "Skia CPU Caches: ");
-    cpuReporter.logTotals(result);
-    cpuReporter.logOutput(result);
-
-    {
-        std::lock_guard<std::mutex> lock(mRenderingMutex);
-
-        std::vector<ResourcePair> gpuResourceMap = {
-                {"texture_renderbuffer", "Texture/RenderBuffer"},
-                {"texture", "Texture"},
-                {"gr_text_blob_cache", "Text"},
-                {"skia", "Other"},
-        };
-        SkiaMemoryReporter gpuReporter(gpuResourceMap, true);
-        mGrContext->dumpMemoryStatistics(&gpuReporter);
-        StringAppendF(&result, "Skia's GPU Caches: ");
-        gpuReporter.logTotals(result);
-        gpuReporter.logOutput(result);
-        StringAppendF(&result, "Skia's Wrapped Objects:\n");
-        gpuReporter.logOutput(result, true);
-
-        StringAppendF(&result, "RenderEngine tracked buffers: %zu\n",
-                      mGraphicBufferExternalRefs.size());
-        StringAppendF(&result, "Dumping buffer ids...\n");
-        for (const auto& [id, refCounts] : mGraphicBufferExternalRefs) {
-            StringAppendF(&result, "- 0x%" PRIx64 " - %d refs \n", id, refCounts);
-        }
-        StringAppendF(&result, "RenderEngine AHB/BackendTexture cache size: %zu\n",
-                      mTextureCache.size());
-        StringAppendF(&result, "Dumping buffer ids...\n");
-        // TODO(178539829): It would be nice to know which layer these are coming from and what
-        // the texture sizes are.
-        for (const auto& [id, unused] : mTextureCache) {
-            StringAppendF(&result, "- 0x%" PRIx64 "\n", id);
-        }
-        StringAppendF(&result, "\n");
-
-        SkiaMemoryReporter gpuProtectedReporter(gpuResourceMap, true);
-        if (mProtectedGrContext) {
-            mProtectedGrContext->dumpMemoryStatistics(&gpuProtectedReporter);
-        }
-        StringAppendF(&result, "Skia's GPU Protected Caches: ");
-        gpuProtectedReporter.logTotals(result);
-        gpuProtectedReporter.logOutput(result);
-        StringAppendF(&result, "Skia's Protected Wrapped Objects:\n");
-        gpuProtectedReporter.logOutput(result, true);
-
-        StringAppendF(&result, "\n");
-        StringAppendF(&result, "RenderEngine runtime effects: %zu\n", mRuntimeEffects.size());
-        for (const auto& [linearEffect, unused] : mRuntimeEffects) {
-            StringAppendF(&result, "- inputDataspace: %s\n",
-                          dataspaceDetails(
-                                  static_cast<android_dataspace>(linearEffect.inputDataspace))
-                                  .c_str());
-            StringAppendF(&result, "- outputDataspace: %s\n",
-                          dataspaceDetails(
-                                  static_cast<android_dataspace>(linearEffect.outputDataspace))
-                                  .c_str());
-            StringAppendF(&result, "undoPremultipliedAlpha: %s\n",
-                          linearEffect.undoPremultipliedAlpha ? "true" : "false");
-        }
-    }
-    StringAppendF(&result, "\n");
 }
 
 } // namespace skia
diff --git a/libs/renderengine/skia/SkiaGLRenderEngine.h b/libs/renderengine/skia/SkiaGLRenderEngine.h
index 34f18c1..4a37ffe 100644
--- a/libs/renderengine/skia/SkiaGLRenderEngine.h
+++ b/libs/renderengine/skia/SkiaGLRenderEngine.h
@@ -55,33 +55,23 @@
     SkiaGLRenderEngine(const RenderEngineCreationArgs& args, EGLDisplay display, EGLContext ctxt,
                        EGLSurface placeholder, EGLContext protectedContext,
                        EGLSurface protectedPlaceholder);
-    ~SkiaGLRenderEngine() override EXCLUDES(mRenderingMutex);
+    ~SkiaGLRenderEngine() override;
 
-    std::future<void> primeCache() override;
-    void cleanupPostRender() override;
-    void cleanFramebufferCache() override{};
     int getContextPriority() override;
-    bool isProtected() const override { return mInProtectedContext; }
-    bool supportsProtectedContent() const override;
-    void useProtectedContext(bool useProtectedContext) override;
-    bool supportsBackgroundBlur() override { return mBlurFilter != nullptr; }
-    void onActiveDisplaySizeChanged(ui::Size size) override;
-    int reportShadersCompiled() override;
 
 protected:
-    void dump(std::string& result) override;
-    size_t getMaxTextureSize() const override;
-    size_t getMaxViewportDims() const override;
-    void mapExternalTextureBuffer(const sp<GraphicBuffer>& buffer, bool isRenderable) override;
-    void unmapExternalTextureBuffer(const sp<GraphicBuffer>& buffer) override;
-    bool canSkipPostRenderCleanup() const override;
-    void drawLayersInternal(const std::shared_ptr<std::promise<RenderEngineResult>>&& resultPromise,
-                            const DisplaySettings& display,
-                            const std::vector<LayerSettings>& layers,
-                            const std::shared_ptr<ExternalTexture>& buffer,
-                            const bool useFramebufferCache, base::unique_fd&& bufferFence) override;
+    // Implementations of abstract SkiaRenderEngine functions specific to
+    // rendering backend
+    virtual SkiaRenderEngine::Contexts createDirectContexts(const GrContextOptions& options);
+    bool supportsProtectedContentImpl() const override;
+    bool useProtectedContextImpl(GrProtected isProtected) override;
+    void waitFence(GrDirectContext* grContext, base::borrowed_fd fenceFd) override;
+    base::unique_fd flushAndSubmit(GrDirectContext* context) override;
+    void appendBackendSpecificInfoToDump(std::string& result) override;
 
 private:
+    bool waitGpuFence(base::borrowed_fd fenceFd);
+    base::unique_fd flush();
     static EGLConfig chooseEglConfig(EGLDisplay display, int format, bool logConfig);
     static EGLContext createEglContext(EGLDisplay display, EGLConfig config,
                                        EGLContext shareContext,
@@ -89,107 +79,14 @@
                                        Protection protection);
     static std::optional<RenderEngine::ContextPriority> createContextPriority(
             const RenderEngineCreationArgs& args);
-    static EGLSurface createPlaceholderEglPbufferSurface(EGLDisplay display, EGLConfig config,
-                                                         int hwcFormat, Protection protection);
-    inline SkRect getSkRect(const FloatRect& layer);
-    inline SkRect getSkRect(const Rect& layer);
-    inline std::pair<SkRRect, SkRRect> getBoundsAndClip(const FloatRect& bounds,
-                                                        const FloatRect& crop,
-                                                        const vec2& cornerRadius);
-    inline bool layerHasBlur(const LayerSettings& layer, bool colorTransformModifiesAlpha);
-    inline SkColor getSkColor(const vec4& color);
-    inline SkM44 getSkM44(const mat4& matrix);
-    inline SkPoint3 getSkPoint3(const vec3& vector);
-    inline GrDirectContext* getActiveGrContext() const;
-
-    base::unique_fd flush();
-    // waitFence attempts to wait in the GPU, and if unable to waits on the CPU instead.
-    void waitFence(base::borrowed_fd fenceFd);
-    bool waitGpuFence(base::borrowed_fd fenceFd);
-
-    void initCanvas(SkCanvas* canvas, const DisplaySettings& display);
-    void drawShadow(SkCanvas* canvas, const SkRRect& casterRRect,
-                    const ShadowSettings& shadowSettings);
-
-    // If requiresLinearEffect is true or the layer has a stretchEffect a new shader is returned.
-    // Otherwise it returns the input shader.
-    struct RuntimeEffectShaderParameters {
-        sk_sp<SkShader> shader;
-        const LayerSettings& layer;
-        const DisplaySettings& display;
-        bool undoPremultipliedAlpha;
-        bool requiresLinearEffect;
-        float layerDimmingRatio;
-    };
-    sk_sp<SkShader> createRuntimeEffectShader(const RuntimeEffectShaderParameters&);
+    static EGLSurface createPlaceholderEglPbufferSurface(
+            EGLDisplay display, EGLConfig config, int hwcFormat, Protection protection);
 
     EGLDisplay mEGLDisplay;
     EGLContext mEGLContext;
     EGLSurface mPlaceholderSurface;
     EGLContext mProtectedEGLContext;
     EGLSurface mProtectedPlaceholderSurface;
-    BlurFilter* mBlurFilter = nullptr;
-
-    const PixelFormat mDefaultPixelFormat;
-    const bool mUseColorManagement;
-
-    // Identifier used or various mappings of layers to various
-    // textures or shaders
-    using GraphicBufferId = uint64_t;
-
-    // Number of external holders of ExternalTexture references, per GraphicBuffer ID.
-    std::unordered_map<GraphicBufferId, int32_t> mGraphicBufferExternalRefs
-            GUARDED_BY(mRenderingMutex);
-    // Cache of GL textures that we'll store per GraphicBuffer ID, shared between GPU contexts.
-    std::unordered_map<GraphicBufferId, std::shared_ptr<AutoBackendTexture::LocalRef>> mTextureCache
-            GUARDED_BY(mRenderingMutex);
-    std::unordered_map<shaders::LinearEffect, sk_sp<SkRuntimeEffect>, shaders::LinearEffectHasher>
-            mRuntimeEffects;
-    AutoBackendTexture::CleanupManager mTextureCleanupMgr GUARDED_BY(mRenderingMutex);
-
-    StretchShaderFactory mStretchShaderFactory;
-    // Mutex guarding rendering operations, so that:
-    // 1. GL operations aren't interleaved, and
-    // 2. Internal state related to rendering that is potentially modified by
-    // multiple threads is guaranteed thread-safe.
-    mutable std::mutex mRenderingMutex;
-
-    sp<Fence> mLastDrawFence;
-
-    // Graphics context used for creating surfaces and submitting commands
-    sk_sp<GrDirectContext> mGrContext;
-    // Same as above, but for protected content (eg. DRM)
-    sk_sp<GrDirectContext> mProtectedGrContext;
-
-    bool mInProtectedContext = false;
-    // Object to capture commands send to Skia.
-    std::unique_ptr<SkiaCapture> mCapture;
-
-    // Implements PersistentCache as a way to monitor what SkSL shaders Skia has
-    // cached.
-    class SkSLCacheMonitor : public GrContextOptions::PersistentCache {
-    public:
-        SkSLCacheMonitor() = default;
-        ~SkSLCacheMonitor() override = default;
-
-        sk_sp<SkData> load(const SkData& key) override;
-
-        void store(const SkData& key, const SkData& data, const SkString& description) override;
-
-        int shadersCachedSinceLastCall() {
-            const int shadersCachedSinceLastCall = mShadersCachedSinceLastCall;
-            mShadersCachedSinceLastCall = 0;
-            return shadersCachedSinceLastCall;
-        }
-
-        int totalShadersCompiled() const { return mTotalShadersCompiled; }
-
-    private:
-        int mShadersCachedSinceLastCall = 0;
-        int mTotalShadersCompiled = 0;
-    };
-
-    SkSLCacheMonitor mSkSLCacheMonitor;
 };
 
 } // namespace skia
diff --git a/libs/renderengine/skia/SkiaRenderEngine.cpp b/libs/renderengine/skia/SkiaRenderEngine.cpp
index 1fb24f5..db983a8 100644
--- a/libs/renderengine/skia/SkiaRenderEngine.cpp
+++ b/libs/renderengine/skia/SkiaRenderEngine.cpp
@@ -20,16 +20,1244 @@
 
 #include "SkiaRenderEngine.h"
 
+#include <GrBackendSemaphore.h>
+#include <GrContextOptions.h>
+#include <SkBlendMode.h>
+#include <SkCanvas.h>
+#include <SkColor.h>
+#include <SkColorFilter.h>
+#include <SkColorMatrix.h>
+#include <SkColorSpace.h>
+#include <SkData.h>
+#include <SkGraphics.h>
+#include <SkImage.h>
+#include <SkImageFilters.h>
+#include <SkImageInfo.h>
+#include <SkM44.h>
+#include <SkMatrix.h>
+#include <SkPaint.h>
+#include <SkPath.h>
+#include <SkPoint.h>
+#include <SkPoint3.h>
+#include <SkRect.h>
+#include <SkRefCnt.h>
+#include <SkRegion.h>
+#include <SkRRect.h>
+#include <SkRuntimeEffect.h>
+#include <SkSamplingOptions.h>
+#include <SkScalar.h>
+#include <SkShader.h>
+#include <SkShadowUtils.h>
+#include <SkString.h>
+#include <SkSurface.h>
+#include <SkTileMode.h>
 #include <src/core/SkTraceEventCommon.h>
+#include <android-base/stringprintf.h>
+#include <gui/TraceUtils.h>
+#include <sync/sync.h>
+#include <ui/BlurRegion.h>
+#include <ui/DataspaceUtils.h>
+#include <ui/DebugUtils.h>
+#include <ui/GraphicBuffer.h>
+#include <utils/Trace.h>
+
+#include <cmath>
+#include <cstdint>
+#include <memory>
+#include <numeric>
+
+#include "Cache.h"
+#include "ColorSpaces.h"
+#include "filters/BlurFilter.h"
+#include "filters/GaussianBlurFilter.h"
+#include "filters/KawaseBlurFilter.h"
+#include "filters/LinearEffect.h"
+#include "log/log_main.h"
+#include "skia/debug/SkiaCapture.h"
+#include "skia/debug/SkiaMemoryReporter.h"
+#include "skia/filters/StretchShaderFactory.h"
+#include "system/graphics-base-v1.0.h"
+
+namespace {
+
+// Debugging settings
+static const bool kPrintLayerSettings = false;
+static const bool kFlushAfterEveryLayer = kPrintLayerSettings;
+
+} // namespace
+
+// Utility functions related to SkRect
+
+namespace {
+
+static inline SkRect getSkRect(const android::FloatRect& rect) {
+    return SkRect::MakeLTRB(rect.left, rect.top, rect.right, rect.bottom);
+}
+
+static inline SkRect getSkRect(const android::Rect& rect) {
+    return SkRect::MakeLTRB(rect.left, rect.top, rect.right, rect.bottom);
+}
+
+/**
+ *  Verifies that common, simple bounds + clip combinations can be converted into
+ *  a single RRect draw call returning true if possible. If true the radii parameter
+ *  will be filled with the correct radii values that combined with bounds param will
+ *  produce the insected roundRect. If false, the returned state of the radii param is undefined.
+ */
+static bool intersectionIsRoundRect(const SkRect& bounds, const SkRect& crop,
+                                    const SkRect& insetCrop, const android::vec2& cornerRadius,
+                                    SkVector radii[4]) {
+    const bool leftEqual = bounds.fLeft == crop.fLeft;
+    const bool topEqual = bounds.fTop == crop.fTop;
+    const bool rightEqual = bounds.fRight == crop.fRight;
+    const bool bottomEqual = bounds.fBottom == crop.fBottom;
+
+    // In the event that the corners of the bounds only partially align with the crop we
+    // need to ensure that the resulting shape can still be represented as a round rect.
+    // In particular the round rect implementation will scale the value of all corner radii
+    // if the sum of the radius along any edge is greater than the length of that edge.
+    // See https://www.w3.org/TR/css-backgrounds-3/#corner-overlap
+    const bool requiredWidth = bounds.width() > (cornerRadius.x * 2);
+    const bool requiredHeight = bounds.height() > (cornerRadius.y * 2);
+    if (!requiredWidth || !requiredHeight) {
+        return false;
+    }
+
+    // Check each cropped corner to ensure that it exactly matches the crop or its corner is
+    // contained within the cropped shape and does not need rounded.
+    // compute the UpperLeft corner radius
+    if (leftEqual && topEqual) {
+        radii[0].set(cornerRadius.x, cornerRadius.y);
+    } else if ((leftEqual && bounds.fTop >= insetCrop.fTop) ||
+               (topEqual && bounds.fLeft >= insetCrop.fLeft)) {
+        radii[0].set(0, 0);
+    } else {
+        return false;
+    }
+    // compute the UpperRight corner radius
+    if (rightEqual && topEqual) {
+        radii[1].set(cornerRadius.x, cornerRadius.y);
+    } else if ((rightEqual && bounds.fTop >= insetCrop.fTop) ||
+               (topEqual && bounds.fRight <= insetCrop.fRight)) {
+        radii[1].set(0, 0);
+    } else {
+        return false;
+    }
+    // compute the BottomRight corner radius
+    if (rightEqual && bottomEqual) {
+        radii[2].set(cornerRadius.x, cornerRadius.y);
+    } else if ((rightEqual && bounds.fBottom <= insetCrop.fBottom) ||
+               (bottomEqual && bounds.fRight <= insetCrop.fRight)) {
+        radii[2].set(0, 0);
+    } else {
+        return false;
+    }
+    // compute the BottomLeft corner radius
+    if (leftEqual && bottomEqual) {
+        radii[3].set(cornerRadius.x, cornerRadius.y);
+    } else if ((leftEqual && bounds.fBottom <= insetCrop.fBottom) ||
+               (bottomEqual && bounds.fLeft >= insetCrop.fLeft)) {
+        radii[3].set(0, 0);
+    } else {
+        return false;
+    }
+
+    return true;
+}
+
+static inline std::pair<SkRRect, SkRRect> getBoundsAndClip(const android::FloatRect& boundsRect,
+                                                           const android::FloatRect& cropRect,
+                                                           const android::vec2& cornerRadius) {
+    const SkRect bounds = getSkRect(boundsRect);
+    const SkRect crop = getSkRect(cropRect);
+
+    SkRRect clip;
+    if (cornerRadius.x > 0 && cornerRadius.y > 0) {
+        // it the crop and the bounds are equivalent or there is no crop then we don't need a clip
+        if (bounds == crop || crop.isEmpty()) {
+            return {SkRRect::MakeRectXY(bounds, cornerRadius.x, cornerRadius.y), clip};
+        }
+
+        // This makes an effort to speed up common, simple bounds + clip combinations by
+        // converting them to a single RRect draw. It is possible there are other cases
+        // that can be converted.
+        if (crop.contains(bounds)) {
+            const auto insetCrop = crop.makeInset(cornerRadius.x, cornerRadius.y);
+            if (insetCrop.contains(bounds)) {
+                return {SkRRect::MakeRect(bounds), clip}; // clip is empty - no rounding required
+            }
+
+            SkVector radii[4];
+            if (intersectionIsRoundRect(bounds, crop, insetCrop, cornerRadius, radii)) {
+                SkRRect intersectionBounds;
+                intersectionBounds.setRectRadii(bounds, radii);
+                return {intersectionBounds, clip};
+            }
+        }
+
+        // we didn't hit any of our fast paths so set the clip to the cropRect
+        clip.setRectXY(crop, cornerRadius.x, cornerRadius.y);
+    }
+
+    // if we hit this point then we either don't have rounded corners or we are going to rely
+    // on the clip to round the corners for us
+    return {SkRRect::MakeRect(bounds), clip};
+}
+
+static inline bool layerHasBlur(const android::renderengine::LayerSettings& layer,
+                                bool colorTransformModifiesAlpha) {
+    if (layer.backgroundBlurRadius > 0 || layer.blurRegions.size()) {
+        // return false if the content is opaque and would therefore occlude the blur
+        const bool opaqueContent = !layer.source.buffer.buffer || layer.source.buffer.isOpaque;
+        const bool opaqueAlpha = layer.alpha == 1.0f && !colorTransformModifiesAlpha;
+        return layer.skipContentDraw || !(opaqueContent && opaqueAlpha);
+    }
+    return false;
+}
+
+static inline SkColor getSkColor(const android::vec4& color) {
+    return SkColorSetARGB(color.a * 255, color.r * 255, color.g * 255, color.b * 255);
+}
+
+static inline SkM44 getSkM44(const android::mat4& matrix) {
+    return SkM44(matrix[0][0], matrix[1][0], matrix[2][0], matrix[3][0],
+                 matrix[0][1], matrix[1][1], matrix[2][1], matrix[3][1],
+                 matrix[0][2], matrix[1][2], matrix[2][2], matrix[3][2],
+                 matrix[0][3], matrix[1][3], matrix[2][3], matrix[3][3]);
+}
+
+static inline SkPoint3 getSkPoint3(const android::vec3& vector) {
+    return SkPoint3::Make(vector.x, vector.y, vector.z);
+}
+
+} // namespace
 
 namespace android {
 namespace renderengine {
 namespace skia {
-SkiaRenderEngine::SkiaRenderEngine(RenderEngineType type) : RenderEngine(type) {}
+
+using base::StringAppendF;
+
+std::future<void> SkiaRenderEngine::primeCache() {
+    Cache::primeShaderCache(this);
+    return {};
+}
+
+sk_sp<SkData> SkiaRenderEngine::SkSLCacheMonitor::load(const SkData& key) {
+    // This "cache" does not actually cache anything. It just allows us to
+    // monitor Skia's internal cache. So this method always returns null.
+    return nullptr;
+}
+
+void SkiaRenderEngine::SkSLCacheMonitor::store(const SkData& key, const SkData& data,
+                                               const SkString& description) {
+    mShadersCachedSinceLastCall++;
+    mTotalShadersCompiled++;
+    ATRACE_FORMAT("SF cache: %i shaders", mTotalShadersCompiled);
+}
+
+int SkiaRenderEngine::reportShadersCompiled() {
+    return mSkSLCacheMonitor.totalShadersCompiled();
+}
 
 void SkiaRenderEngine::setEnableTracing(bool tracingEnabled) {
     SkAndroidFrameworkTraceUtil::setEnableTracing(tracingEnabled);
 }
+
+SkiaRenderEngine::SkiaRenderEngine(
+    RenderEngineType type,
+    PixelFormat pixelFormat,
+    bool useColorManagement,
+    bool supportsBackgroundBlur) :
+    RenderEngine(type),
+    mDefaultPixelFormat(pixelFormat),
+    mUseColorManagement(useColorManagement) {
+    if (supportsBackgroundBlur) {
+        ALOGD("Background Blurs Enabled");
+        mBlurFilter = new KawaseBlurFilter();
+    }
+    mCapture = std::make_unique<SkiaCapture>();
+}
+
+SkiaRenderEngine::~SkiaRenderEngine() { }
+
+// To be called from backend dtors.
+void SkiaRenderEngine::finishRenderingAndAbandonContext() {
+    std::lock_guard<std::mutex> lock(mRenderingMutex);
+
+    if (mBlurFilter) {
+        delete mBlurFilter;
+    }
+
+    if (mGrContext) {
+        mGrContext->flushAndSubmit(true);
+        mGrContext->abandonContext();
+    }
+
+    if (mProtectedGrContext) {
+        mProtectedGrContext->flushAndSubmit(true);
+        mProtectedGrContext->abandonContext();
+    }
+}
+
+void SkiaRenderEngine::useProtectedContext(bool useProtectedContext) {
+    if (useProtectedContext == mInProtectedContext ||
+        (useProtectedContext && !supportsProtectedContent())) {
+        return;
+    }
+
+    // release any scratch resources before switching into a new mode
+    if (getActiveGrContext()) {
+        getActiveGrContext()->purgeUnlockedResources(true);
+    }
+
+    // Backend-specific way to switch to protected context
+    if (useProtectedContextImpl(
+            useProtectedContext ? GrProtected::kYes : GrProtected::kNo)) {
+        mInProtectedContext = useProtectedContext;
+        // given that we are sharing the same thread between two GrContexts we need to
+        // make sure that the thread state is reset when switching between the two.
+        if (getActiveGrContext()) {
+            getActiveGrContext()->resetContext();
+        }
+    }
+}
+
+GrDirectContext* SkiaRenderEngine::getActiveGrContext() {
+    return mInProtectedContext ? mProtectedGrContext.get() : mGrContext.get();
+}
+
+static float toDegrees(uint32_t transform) {
+    switch (transform) {
+        case ui::Transform::ROT_90:
+            return 90.0;
+        case ui::Transform::ROT_180:
+            return 180.0;
+        case ui::Transform::ROT_270:
+            return 270.0;
+        default:
+            return 0.0;
+    }
+}
+
+static SkColorMatrix toSkColorMatrix(const android::mat4& matrix) {
+    return SkColorMatrix(matrix[0][0], matrix[1][0], matrix[2][0], matrix[3][0], 0, matrix[0][1],
+                         matrix[1][1], matrix[2][1], matrix[3][1], 0, matrix[0][2], matrix[1][2],
+                         matrix[2][2], matrix[3][2], 0, matrix[0][3], matrix[1][3], matrix[2][3],
+                         matrix[3][3], 0);
+}
+
+static bool needsToneMapping(ui::Dataspace sourceDataspace, ui::Dataspace destinationDataspace) {
+    int64_t sourceTransfer = sourceDataspace & HAL_DATASPACE_TRANSFER_MASK;
+    int64_t destTransfer = destinationDataspace & HAL_DATASPACE_TRANSFER_MASK;
+
+    // Treat unsupported dataspaces as srgb
+    if (destTransfer != HAL_DATASPACE_TRANSFER_LINEAR &&
+        destTransfer != HAL_DATASPACE_TRANSFER_HLG &&
+        destTransfer != HAL_DATASPACE_TRANSFER_ST2084) {
+        destTransfer = HAL_DATASPACE_TRANSFER_SRGB;
+    }
+
+    if (sourceTransfer != HAL_DATASPACE_TRANSFER_LINEAR &&
+        sourceTransfer != HAL_DATASPACE_TRANSFER_HLG &&
+        sourceTransfer != HAL_DATASPACE_TRANSFER_ST2084) {
+        sourceTransfer = HAL_DATASPACE_TRANSFER_SRGB;
+    }
+
+    const bool isSourceLinear = sourceTransfer == HAL_DATASPACE_TRANSFER_LINEAR;
+    const bool isSourceSRGB = sourceTransfer == HAL_DATASPACE_TRANSFER_SRGB;
+    const bool isDestLinear = destTransfer == HAL_DATASPACE_TRANSFER_LINEAR;
+    const bool isDestSRGB = destTransfer == HAL_DATASPACE_TRANSFER_SRGB;
+
+    return !(isSourceLinear && isDestSRGB) && !(isSourceSRGB && isDestLinear) &&
+            sourceTransfer != destTransfer;
+}
+
+void SkiaRenderEngine::ensureGrContextsCreated() {
+    if (mGrContext) {
+        return;
+    }
+
+    GrContextOptions options;
+    options.fDisableDriverCorrectnessWorkarounds = true;
+    options.fDisableDistanceFieldPaths = true;
+    options.fReducedShaderVariations = true;
+    options.fPersistentCache = &mSkSLCacheMonitor;
+    std::tie(mGrContext, mProtectedGrContext) = createDirectContexts(options);
+}
+
+void SkiaRenderEngine::mapExternalTextureBuffer(const sp<GraphicBuffer>& buffer,
+                                                  bool isRenderable) {
+    // Only run this if RE is running on its own thread. This way the access to GL
+    // operations is guaranteed to be happening on the same thread.
+    if (mRenderEngineType != RenderEngineType::SKIA_GL_THREADED) {
+        return;
+    }
+    // We currently don't attempt to map a buffer if the buffer contains protected content
+    // because GPU resources for protected buffers is much more limited.
+    const bool isProtectedBuffer = buffer->getUsage() & GRALLOC_USAGE_PROTECTED;
+    if (isProtectedBuffer) {
+        return;
+    }
+    ATRACE_CALL();
+
+    // If we were to support caching protected buffers then we will need to switch the
+    // currently bound context if we are not already using the protected context (and subsequently
+    // switch back after the buffer is cached).  However, for non-protected content we can bind
+    // the texture in either GL context because they are initialized with the same share_context
+    // which allows the texture state to be shared between them.
+    auto grContext = getActiveGrContext();
+    auto& cache = mTextureCache;
+
+    std::lock_guard<std::mutex> lock(mRenderingMutex);
+    mGraphicBufferExternalRefs[buffer->getId()]++;
+
+    if (const auto& iter = cache.find(buffer->getId()); iter == cache.end()) {
+        std::shared_ptr<AutoBackendTexture::LocalRef> imageTextureRef =
+                std::make_shared<AutoBackendTexture::LocalRef>(grContext,
+                                                               buffer->toAHardwareBuffer(),
+                                                               isRenderable, mTextureCleanupMgr);
+        cache.insert({buffer->getId(), imageTextureRef});
+    }
+}
+
+void SkiaRenderEngine::unmapExternalTextureBuffer(const sp<GraphicBuffer>& buffer) {
+    ATRACE_CALL();
+    std::lock_guard<std::mutex> lock(mRenderingMutex);
+    if (const auto& iter = mGraphicBufferExternalRefs.find(buffer->getId());
+        iter != mGraphicBufferExternalRefs.end()) {
+        if (iter->second == 0) {
+            ALOGW("Attempted to unmap GraphicBuffer <id: %" PRId64
+                  "> from RenderEngine texture, but the "
+                  "ref count was already zero!",
+                  buffer->getId());
+            mGraphicBufferExternalRefs.erase(buffer->getId());
+            return;
+        }
+
+        iter->second--;
+
+        // Swap contexts if needed prior to deleting this buffer
+        // See Issue 1 of
+        // https://www.khronos.org/registry/EGL/extensions/EXT/EGL_EXT_protected_content.txt: even
+        // when a protected context and an unprotected context are part of the same share group,
+        // protected surfaces may not be accessed by an unprotected context, implying that protected
+        // surfaces may only be freed when a protected context is active.
+        const bool inProtected = mInProtectedContext;
+        useProtectedContext(buffer->getUsage() & GRALLOC_USAGE_PROTECTED);
+
+        if (iter->second == 0) {
+            mTextureCache.erase(buffer->getId());
+            mGraphicBufferExternalRefs.erase(buffer->getId());
+        }
+
+        // Swap back to the previous context so that cached values of isProtected in SurfaceFlinger
+        // are up-to-date.
+        if (inProtected != mInProtectedContext) {
+            useProtectedContext(inProtected);
+        }
+    }
+}
+
+bool SkiaRenderEngine::canSkipPostRenderCleanup() const {
+    std::lock_guard<std::mutex> lock(mRenderingMutex);
+    return mTextureCleanupMgr.isEmpty();
+}
+
+void SkiaRenderEngine::cleanupPostRender() {
+    ATRACE_CALL();
+    std::lock_guard<std::mutex> lock(mRenderingMutex);
+    mTextureCleanupMgr.cleanup();
+}
+
+sk_sp<SkShader> SkiaRenderEngine::createRuntimeEffectShader(
+        const RuntimeEffectShaderParameters& parameters) {
+    // The given surface will be stretched by HWUI via matrix transformation
+    // which gets similar results for most surfaces
+    // Determine later on if we need to leverage the stertch shader within
+    // surface flinger
+    const auto& stretchEffect = parameters.layer.stretchEffect;
+    auto shader = parameters.shader;
+    if (stretchEffect.hasEffect()) {
+        const auto targetBuffer = parameters.layer.source.buffer.buffer;
+        const auto graphicBuffer = targetBuffer ? targetBuffer->getBuffer() : nullptr;
+        if (graphicBuffer && parameters.shader) {
+            shader = mStretchShaderFactory.createSkShader(shader, stretchEffect);
+        }
+    }
+
+    if (parameters.requiresLinearEffect) {
+        const ui::Dataspace inputDataspace = mUseColorManagement ? parameters.layer.sourceDataspace
+                                                                 : ui::Dataspace::V0_SRGB_LINEAR;
+        const ui::Dataspace outputDataspace = mUseColorManagement
+                ? parameters.display.outputDataspace
+                : ui::Dataspace::V0_SRGB_LINEAR;
+
+        auto effect =
+                shaders::LinearEffect{.inputDataspace = inputDataspace,
+                                      .outputDataspace = outputDataspace,
+                                      .undoPremultipliedAlpha = parameters.undoPremultipliedAlpha};
+
+        auto effectIter = mRuntimeEffects.find(effect);
+        sk_sp<SkRuntimeEffect> runtimeEffect = nullptr;
+        if (effectIter == mRuntimeEffects.end()) {
+            runtimeEffect = buildRuntimeEffect(effect);
+            mRuntimeEffects.insert({effect, runtimeEffect});
+        } else {
+            runtimeEffect = effectIter->second;
+        }
+        mat4 colorTransform = parameters.layer.colorTransform;
+
+        colorTransform *=
+                mat4::scale(vec4(parameters.layerDimmingRatio, parameters.layerDimmingRatio,
+                                 parameters.layerDimmingRatio, 1.f));
+        const auto targetBuffer = parameters.layer.source.buffer.buffer;
+        const auto graphicBuffer = targetBuffer ? targetBuffer->getBuffer() : nullptr;
+        const auto hardwareBuffer = graphicBuffer ? graphicBuffer->toAHardwareBuffer() : nullptr;
+        return createLinearEffectShader(parameters.shader, effect, runtimeEffect, colorTransform,
+                                        parameters.display.maxLuminance,
+                                        parameters.display.currentLuminanceNits,
+                                        parameters.layer.source.buffer.maxLuminanceNits,
+                                        hardwareBuffer, parameters.display.renderIntent);
+    }
+    return parameters.shader;
+}
+
+void SkiaRenderEngine::initCanvas(SkCanvas* canvas, const DisplaySettings& display) {
+    if (CC_UNLIKELY(mCapture->isCaptureRunning())) {
+        // Record display settings when capture is running.
+        std::stringstream displaySettings;
+        PrintTo(display, &displaySettings);
+        // Store the DisplaySettings in additional information.
+        canvas->drawAnnotation(SkRect::MakeEmpty(), "DisplaySettings",
+                               SkData::MakeWithCString(displaySettings.str().c_str()));
+    }
+
+    // Before doing any drawing, let's make sure that we'll start at the origin of the display.
+    // Some displays don't start at 0,0 for example when we're mirroring the screen. Also, virtual
+    // displays might have different scaling when compared to the physical screen.
+
+    canvas->clipRect(getSkRect(display.physicalDisplay));
+    canvas->translate(display.physicalDisplay.left, display.physicalDisplay.top);
+
+    const auto clipWidth = display.clip.width();
+    const auto clipHeight = display.clip.height();
+    auto rotatedClipWidth = clipWidth;
+    auto rotatedClipHeight = clipHeight;
+    // Scale is contingent on the rotation result.
+    if (display.orientation & ui::Transform::ROT_90) {
+        std::swap(rotatedClipWidth, rotatedClipHeight);
+    }
+    const auto scaleX = static_cast<SkScalar>(display.physicalDisplay.width()) /
+            static_cast<SkScalar>(rotatedClipWidth);
+    const auto scaleY = static_cast<SkScalar>(display.physicalDisplay.height()) /
+            static_cast<SkScalar>(rotatedClipHeight);
+    canvas->scale(scaleX, scaleY);
+
+    // Canvas rotation is done by centering the clip window at the origin, rotating, translating
+    // back so that the top left corner of the clip is at (0, 0).
+    canvas->translate(rotatedClipWidth / 2, rotatedClipHeight / 2);
+    canvas->rotate(toDegrees(display.orientation));
+    canvas->translate(-clipWidth / 2, -clipHeight / 2);
+    canvas->translate(-display.clip.left, -display.clip.top);
+}
+
+class AutoSaveRestore {
+public:
+    AutoSaveRestore(SkCanvas* canvas) : mCanvas(canvas) { mSaveCount = canvas->save(); }
+    ~AutoSaveRestore() { restore(); }
+    void replace(SkCanvas* canvas) {
+        mCanvas = canvas;
+        mSaveCount = canvas->save();
+    }
+    void restore() {
+        if (mCanvas) {
+            mCanvas->restoreToCount(mSaveCount);
+            mCanvas = nullptr;
+        }
+    }
+
+private:
+    SkCanvas* mCanvas;
+    int mSaveCount;
+};
+
+static SkRRect getBlurRRect(const BlurRegion& region) {
+    const auto rect = SkRect::MakeLTRB(region.left, region.top, region.right, region.bottom);
+    const SkVector radii[4] = {SkVector::Make(region.cornerRadiusTL, region.cornerRadiusTL),
+                               SkVector::Make(region.cornerRadiusTR, region.cornerRadiusTR),
+                               SkVector::Make(region.cornerRadiusBR, region.cornerRadiusBR),
+                               SkVector::Make(region.cornerRadiusBL, region.cornerRadiusBL)};
+    SkRRect roundedRect;
+    roundedRect.setRectRadii(rect, radii);
+    return roundedRect;
+}
+
+// Arbitrary default margin which should be close enough to zero.
+constexpr float kDefaultMargin = 0.0001f;
+static bool equalsWithinMargin(float expected, float value, float margin = kDefaultMargin) {
+    LOG_ALWAYS_FATAL_IF(margin < 0.f, "Margin is negative!");
+    return std::abs(expected - value) < margin;
+}
+
+namespace {
+template <typename T>
+void logSettings(const T& t) {
+    std::stringstream stream;
+    PrintTo(t, &stream);
+    auto string = stream.str();
+    size_t pos = 0;
+    // Perfetto ignores \n, so split up manually into separate ALOGD statements.
+    const size_t size = string.size();
+    while (pos < size) {
+        const size_t end = std::min(string.find("\n", pos), size);
+        ALOGD("%s", string.substr(pos, end - pos).c_str());
+        pos = end + 1;
+    }
+}
+} // namespace
+
+// Helper class intended to be used on the stack to ensure that texture cleanup
+// is deferred until after this class goes out of scope.
+class DeferTextureCleanup final {
+public:
+    DeferTextureCleanup(AutoBackendTexture::CleanupManager& mgr) : mMgr(mgr) {
+        mMgr.setDeferredStatus(true);
+    }
+    ~DeferTextureCleanup() { mMgr.setDeferredStatus(false); }
+
+private:
+    DISALLOW_COPY_AND_ASSIGN(DeferTextureCleanup);
+    AutoBackendTexture::CleanupManager& mMgr;
+};
+
+void SkiaRenderEngine::drawLayersInternal(
+        const std::shared_ptr<std::promise<RenderEngineResult>>&& resultPromise,
+        const DisplaySettings& display, const std::vector<LayerSettings>& layers,
+        const std::shared_ptr<ExternalTexture>& buffer, const bool /*useFramebufferCache*/,
+        base::unique_fd&& bufferFence) {
+    ATRACE_NAME("SkiaGL::drawLayersInternal");
+
+    std::lock_guard<std::mutex> lock(mRenderingMutex);
+
+    if (buffer == nullptr) {
+        ALOGE("No output buffer provided. Aborting GPU composition.");
+        resultPromise->set_value({BAD_VALUE, base::unique_fd()});
+        return;
+    }
+
+    validateOutputBufferUsage(buffer->getBuffer());
+
+    auto grContext = getActiveGrContext();
+    auto& cache = mTextureCache;
+
+    // any AutoBackendTexture deletions will now be deferred until cleanupPostRender is called
+    DeferTextureCleanup dtc(mTextureCleanupMgr);
+
+    std::shared_ptr<AutoBackendTexture::LocalRef> surfaceTextureRef;
+    if (const auto& it = cache.find(buffer->getBuffer()->getId()); it != cache.end()) {
+        surfaceTextureRef = it->second;
+    } else {
+        surfaceTextureRef =
+                std::make_shared<AutoBackendTexture::LocalRef>(grContext,
+                                                               buffer->getBuffer()
+                                                                       ->toAHardwareBuffer(),
+                                                               true, mTextureCleanupMgr);
+    }
+
+    // wait on the buffer to be ready to use prior to using it
+    waitFence(grContext, bufferFence);
+
+    const ui::Dataspace dstDataspace =
+            mUseColorManagement ? display.outputDataspace : ui::Dataspace::V0_SRGB_LINEAR;
+    sk_sp<SkSurface> dstSurface = surfaceTextureRef->getOrCreateSurface(dstDataspace, grContext);
+
+    SkCanvas* dstCanvas = mCapture->tryCapture(dstSurface.get());
+    if (dstCanvas == nullptr) {
+        ALOGE("Cannot acquire canvas from Skia.");
+        resultPromise->set_value({BAD_VALUE, base::unique_fd()});
+        return;
+    }
+
+    // setup color filter if necessary
+    sk_sp<SkColorFilter> displayColorTransform;
+    if (display.colorTransform != mat4() && !display.deviceHandlesColorTransform) {
+        displayColorTransform = SkColorFilters::Matrix(toSkColorMatrix(display.colorTransform));
+    }
+    const bool ctModifiesAlpha =
+            displayColorTransform && !displayColorTransform->isAlphaUnchanged();
+
+    // Find the max layer white point to determine the max luminance of the scene...
+    const float maxLayerWhitePoint = std::transform_reduce(
+            layers.cbegin(), layers.cend(), 0.f,
+            [](float left, float right) { return std::max(left, right); },
+            [&](const auto& l) { return l.whitePointNits; });
+
+    // ...and compute the dimming ratio if dimming is requested
+    const float displayDimmingRatio = display.targetLuminanceNits > 0.f &&
+                    maxLayerWhitePoint > 0.f && display.targetLuminanceNits > maxLayerWhitePoint
+            ? maxLayerWhitePoint / display.targetLuminanceNits
+            : 1.f;
+
+    // Find if any layers have requested blur, we'll use that info to decide when to render to an
+    // offscreen buffer and when to render to the native buffer.
+    sk_sp<SkSurface> activeSurface(dstSurface);
+    SkCanvas* canvas = dstCanvas;
+    SkiaCapture::OffscreenState offscreenCaptureState;
+    const LayerSettings* blurCompositionLayer = nullptr;
+    if (mBlurFilter) {
+        bool requiresCompositionLayer = false;
+        for (const auto& layer : layers) {
+            // if the layer doesn't have blur or it is not visible then continue
+            if (!layerHasBlur(layer, ctModifiesAlpha)) {
+                continue;
+            }
+            if (layer.backgroundBlurRadius > 0 &&
+                layer.backgroundBlurRadius < mBlurFilter->getMaxCrossFadeRadius()) {
+                requiresCompositionLayer = true;
+            }
+            for (auto region : layer.blurRegions) {
+                if (region.blurRadius < mBlurFilter->getMaxCrossFadeRadius()) {
+                    requiresCompositionLayer = true;
+                }
+            }
+            if (requiresCompositionLayer) {
+                activeSurface = dstSurface->makeSurface(dstSurface->imageInfo());
+                canvas = mCapture->tryOffscreenCapture(activeSurface.get(), &offscreenCaptureState);
+                blurCompositionLayer = &layer;
+                break;
+            }
+        }
+    }
+
+    AutoSaveRestore surfaceAutoSaveRestore(canvas);
+    // Clear the entire canvas with a transparent black to prevent ghost images.
+    canvas->clear(SK_ColorTRANSPARENT);
+    initCanvas(canvas, display);
+
+    if (kPrintLayerSettings) {
+        logSettings(display);
+    }
+    for (const auto& layer : layers) {
+        ATRACE_FORMAT("DrawLayer: %s", layer.name.c_str());
+
+        if (kPrintLayerSettings) {
+            logSettings(layer);
+        }
+
+        sk_sp<SkImage> blurInput;
+        if (blurCompositionLayer == &layer) {
+            LOG_ALWAYS_FATAL_IF(activeSurface == dstSurface);
+            LOG_ALWAYS_FATAL_IF(canvas == dstCanvas);
+
+            // save a snapshot of the activeSurface to use as input to the blur shaders
+            blurInput = activeSurface->makeImageSnapshot();
+
+            // blit the offscreen framebuffer into the destination AHB, but only
+            // if there are blur regions. backgroundBlurRadius blurs the entire
+            // image below, so it can skip this step.
+            if (layer.blurRegions.size()) {
+                SkPaint paint;
+                paint.setBlendMode(SkBlendMode::kSrc);
+                if (CC_UNLIKELY(mCapture->isCaptureRunning())) {
+                    uint64_t id = mCapture->endOffscreenCapture(&offscreenCaptureState);
+                    dstCanvas->drawAnnotation(SkRect::Make(dstCanvas->imageInfo().dimensions()),
+                                              String8::format("SurfaceID|%" PRId64, id).c_str(),
+                                              nullptr);
+                    dstCanvas->drawImage(blurInput, 0, 0, SkSamplingOptions(), &paint);
+                } else {
+                    activeSurface->draw(dstCanvas, 0, 0, SkSamplingOptions(), &paint);
+                }
+            }
+
+            // assign dstCanvas to canvas and ensure that the canvas state is up to date
+            canvas = dstCanvas;
+            surfaceAutoSaveRestore.replace(canvas);
+            initCanvas(canvas, display);
+
+            LOG_ALWAYS_FATAL_IF(activeSurface->getCanvas()->getSaveCount() !=
+                                dstSurface->getCanvas()->getSaveCount());
+            LOG_ALWAYS_FATAL_IF(activeSurface->getCanvas()->getTotalMatrix() !=
+                                dstSurface->getCanvas()->getTotalMatrix());
+
+            // assign dstSurface to activeSurface
+            activeSurface = dstSurface;
+        }
+
+        SkAutoCanvasRestore layerAutoSaveRestore(canvas, true);
+        if (CC_UNLIKELY(mCapture->isCaptureRunning())) {
+            // Record the name of the layer if the capture is running.
+            std::stringstream layerSettings;
+            PrintTo(layer, &layerSettings);
+            // Store the LayerSettings in additional information.
+            canvas->drawAnnotation(SkRect::MakeEmpty(), layer.name.c_str(),
+                                   SkData::MakeWithCString(layerSettings.str().c_str()));
+        }
+        // Layers have a local transform that should be applied to them
+        canvas->concat(getSkM44(layer.geometry.positionTransform).asM33());
+
+        const auto [bounds, roundRectClip] =
+                getBoundsAndClip(layer.geometry.boundaries, layer.geometry.roundedCornersCrop,
+                                 layer.geometry.roundedCornersRadius);
+        if (mBlurFilter && layerHasBlur(layer, ctModifiesAlpha)) {
+            std::unordered_map<uint32_t, sk_sp<SkImage>> cachedBlurs;
+
+            // if multiple layers have blur, then we need to take a snapshot now because
+            // only the lowest layer will have blurImage populated earlier
+            if (!blurInput) {
+                blurInput = activeSurface->makeImageSnapshot();
+            }
+            // rect to be blurred in the coordinate space of blurInput
+            const auto blurRect = canvas->getTotalMatrix().mapRect(bounds.rect());
+
+            // if the clip needs to be applied then apply it now and make sure
+            // it is restored before we attempt to draw any shadows.
+            SkAutoCanvasRestore acr(canvas, true);
+            if (!roundRectClip.isEmpty()) {
+                canvas->clipRRect(roundRectClip, true);
+            }
+
+            // TODO(b/182216890): Filter out empty layers earlier
+            if (blurRect.width() > 0 && blurRect.height() > 0) {
+                if (layer.backgroundBlurRadius > 0) {
+                    ATRACE_NAME("BackgroundBlur");
+                    auto blurredImage = mBlurFilter->generate(grContext, layer.backgroundBlurRadius,
+                                                              blurInput, blurRect);
+
+                    cachedBlurs[layer.backgroundBlurRadius] = blurredImage;
+
+                    mBlurFilter->drawBlurRegion(canvas, bounds, layer.backgroundBlurRadius, 1.0f,
+                                                blurRect, blurredImage, blurInput);
+                }
+
+                canvas->concat(getSkM44(layer.blurRegionTransform).asM33());
+                for (auto region : layer.blurRegions) {
+                    if (cachedBlurs[region.blurRadius] == nullptr) {
+                        ATRACE_NAME("BlurRegion");
+                        cachedBlurs[region.blurRadius] =
+                                mBlurFilter->generate(grContext, region.blurRadius, blurInput,
+                                                      blurRect);
+                    }
+
+                    mBlurFilter->drawBlurRegion(canvas, getBlurRRect(region), region.blurRadius,
+                                                region.alpha, blurRect,
+                                                cachedBlurs[region.blurRadius], blurInput);
+                }
+            }
+        }
+
+        if (layer.shadow.length > 0) {
+            // This would require a new parameter/flag to SkShadowUtils::DrawShadow
+            LOG_ALWAYS_FATAL_IF(layer.disableBlending, "Cannot disableBlending with a shadow");
+
+            SkRRect shadowBounds, shadowClip;
+            if (layer.geometry.boundaries == layer.shadow.boundaries) {
+                shadowBounds = bounds;
+                shadowClip = roundRectClip;
+            } else {
+                std::tie(shadowBounds, shadowClip) =
+                        getBoundsAndClip(layer.shadow.boundaries, layer.geometry.roundedCornersCrop,
+                                         layer.geometry.roundedCornersRadius);
+            }
+
+            // Technically, if bounds is a rect and roundRectClip is not empty,
+            // it means that the bounds and roundedCornersCrop were different
+            // enough that we should intersect them to find the proper shadow.
+            // In practice, this often happens when the two rectangles appear to
+            // not match due to rounding errors. Draw the rounded version, which
+            // looks more like the intent.
+            const auto& rrect =
+                    shadowBounds.isRect() && !shadowClip.isEmpty() ? shadowClip : shadowBounds;
+            drawShadow(canvas, rrect, layer.shadow);
+        }
+
+        const float layerDimmingRatio = layer.whitePointNits <= 0.f
+                ? displayDimmingRatio
+                : (layer.whitePointNits / maxLayerWhitePoint) * displayDimmingRatio;
+
+        const bool dimInLinearSpace = display.dimmingStage !=
+                aidl::android::hardware::graphics::composer3::DimmingStage::GAMMA_OETF;
+
+        const bool requiresLinearEffect = layer.colorTransform != mat4() ||
+                (mUseColorManagement &&
+                 needsToneMapping(layer.sourceDataspace, display.outputDataspace)) ||
+                (dimInLinearSpace && !equalsWithinMargin(1.f, layerDimmingRatio));
+
+        // quick abort from drawing the remaining portion of the layer
+        if (layer.skipContentDraw ||
+            (layer.alpha == 0 && !requiresLinearEffect && !layer.disableBlending &&
+             (!displayColorTransform || displayColorTransform->isAlphaUnchanged()))) {
+            continue;
+        }
+
+        // If we need to map to linear space or color management is disabled, then mark the source
+        // image with the same colorspace as the destination surface so that Skia's color
+        // management is a no-op.
+        const ui::Dataspace layerDataspace = (!mUseColorManagement || requiresLinearEffect)
+                ? dstDataspace
+                : layer.sourceDataspace;
+
+        SkPaint paint;
+        if (layer.source.buffer.buffer) {
+            ATRACE_NAME("DrawImage");
+            validateInputBufferUsage(layer.source.buffer.buffer->getBuffer());
+            const auto& item = layer.source.buffer;
+            std::shared_ptr<AutoBackendTexture::LocalRef> imageTextureRef = nullptr;
+
+            if (const auto& iter = cache.find(item.buffer->getBuffer()->getId());
+                iter != cache.end()) {
+                imageTextureRef = iter->second;
+            } else {
+                // If we didn't find the image in the cache, then create a local ref but don't cache
+                // it. If we're using skia, we're guaranteed to run on a dedicated GPU thread so if
+                // we didn't find anything in the cache then we intentionally did not cache this
+                // buffer's resources.
+                imageTextureRef = std::make_shared<
+                        AutoBackendTexture::LocalRef>(grContext,
+                                                      item.buffer->getBuffer()->toAHardwareBuffer(),
+                                                      false, mTextureCleanupMgr);
+            }
+
+            // if the layer's buffer has a fence, then we must must respect the fence prior to using
+            // the buffer.
+            if (layer.source.buffer.fence != nullptr) {
+                waitFence(grContext, layer.source.buffer.fence->get());
+            }
+
+            // isOpaque means we need to ignore the alpha in the image,
+            // replacing it with the alpha specified by the LayerSettings. See
+            // https://developer.android.com/reference/android/view/SurfaceControl.Builder#setOpaque(boolean)
+            // The proper way to do this is to use an SkColorType that ignores
+            // alpha, like kRGB_888x_SkColorType, and that is used if the
+            // incoming image is kRGBA_8888_SkColorType. However, the incoming
+            // image may be kRGBA_F16_SkColorType, for which there is no RGBX
+            // SkColorType, or kRGBA_1010102_SkColorType, for which we have
+            // kRGB_101010x_SkColorType, but it is not yet supported as a source
+            // on the GPU. (Adding both is tracked in skbug.com/12048.) In the
+            // meantime, we'll use a workaround that works unless we need to do
+            // any color conversion. The workaround requires that we pretend the
+            // image is already premultiplied, so that we do not premultiply it
+            // before applying SkBlendMode::kPlus.
+            const bool useIsOpaqueWorkaround = item.isOpaque &&
+                    (imageTextureRef->colorType() == kRGBA_1010102_SkColorType ||
+                     imageTextureRef->colorType() == kRGBA_F16_SkColorType);
+            const auto alphaType = useIsOpaqueWorkaround ? kPremul_SkAlphaType
+                    : item.isOpaque                      ? kOpaque_SkAlphaType
+                    : item.usePremultipliedAlpha         ? kPremul_SkAlphaType
+                                                         : kUnpremul_SkAlphaType;
+            sk_sp<SkImage> image = imageTextureRef->makeImage(layerDataspace, alphaType, grContext);
+
+            auto texMatrix = getSkM44(item.textureTransform).asM33();
+            // textureTansform was intended to be passed directly into a shader, so when
+            // building the total matrix with the textureTransform we need to first
+            // normalize it, then apply the textureTransform, then scale back up.
+            texMatrix.preScale(1.0f / bounds.width(), 1.0f / bounds.height());
+            texMatrix.postScale(image->width(), image->height());
+
+            SkMatrix matrix;
+            if (!texMatrix.invert(&matrix)) {
+                matrix = texMatrix;
+            }
+            // The shader does not respect the translation, so we add it to the texture
+            // transform for the SkImage. This will make sure that the correct layer contents
+            // are drawn in the correct part of the screen.
+            matrix.postTranslate(bounds.rect().fLeft, bounds.rect().fTop);
+
+            sk_sp<SkShader> shader;
+
+            if (layer.source.buffer.useTextureFiltering) {
+                shader = image->makeShader(SkTileMode::kClamp, SkTileMode::kClamp,
+                                           SkSamplingOptions(
+                                                   {SkFilterMode::kLinear, SkMipmapMode::kNone}),
+                                           &matrix);
+            } else {
+                shader = image->makeShader(SkSamplingOptions(), matrix);
+            }
+
+            if (useIsOpaqueWorkaround) {
+                shader = SkShaders::Blend(SkBlendMode::kPlus, shader,
+                                          SkShaders::Color(SkColors::kBlack,
+                                                           toSkColorSpace(layerDataspace)));
+            }
+
+            paint.setShader(createRuntimeEffectShader(
+                    RuntimeEffectShaderParameters{.shader = shader,
+                                                  .layer = layer,
+                                                  .display = display,
+                                                  .undoPremultipliedAlpha = !item.isOpaque &&
+                                                          item.usePremultipliedAlpha,
+                                                  .requiresLinearEffect = requiresLinearEffect,
+                                                  .layerDimmingRatio = dimInLinearSpace
+                                                          ? layerDimmingRatio
+                                                          : 1.f}));
+
+            // Turn on dithering when dimming beyond this (arbitrary) threshold...
+            static constexpr float kDimmingThreshold = 0.2f;
+            // ...or we're rendering an HDR layer down to an 8-bit target
+            // Most HDR standards require at least 10-bits of color depth for source content, so we
+            // can just extract the transfer function rather than dig into precise gralloc layout.
+            // Furthermore, we can assume that the only 8-bit target we support is RGBA8888.
+            const bool requiresDownsample = isHdrDataspace(layer.sourceDataspace) &&
+                    buffer->getPixelFormat() == PIXEL_FORMAT_RGBA_8888;
+            if (layerDimmingRatio <= kDimmingThreshold || requiresDownsample) {
+                paint.setDither(true);
+            }
+            paint.setAlphaf(layer.alpha);
+
+            if (imageTextureRef->colorType() == kAlpha_8_SkColorType) {
+                LOG_ALWAYS_FATAL_IF(layer.disableBlending, "Cannot disableBlending with A8");
+
+                // SysUI creates the alpha layer as a coverage layer, which is
+                // appropriate for the DPU. Use a color matrix to convert it to
+                // a mask.
+                // TODO (b/219525258): Handle input as a mask.
+                //
+                // The color matrix will convert A8 pixels with no alpha to
+                // black, as described by this vector. If the display handles
+                // the color transform, we need to invert it to find the color
+                // that will result in black after the DPU applies the transform.
+                SkV4 black{0.0f, 0.0f, 0.0f, 1.0f}; // r, g, b, a
+                if (display.colorTransform != mat4() && display.deviceHandlesColorTransform) {
+                    SkM44 colorSpaceMatrix = getSkM44(display.colorTransform);
+                    if (colorSpaceMatrix.invert(&colorSpaceMatrix)) {
+                        black = colorSpaceMatrix * black;
+                    } else {
+                        // We'll just have to use 0,0,0 as black, which should
+                        // be close to correct.
+                        ALOGI("Could not invert colorTransform!");
+                    }
+                }
+                SkColorMatrix colorMatrix(0, 0, 0, 0, black[0],
+                                          0, 0, 0, 0, black[1],
+                                          0, 0, 0, 0, black[2],
+                                          0, 0, 0, -1, 1);
+                if (display.colorTransform != mat4() && !display.deviceHandlesColorTransform) {
+                    // On the other hand, if the device doesn't handle it, we
+                    // have to apply it ourselves.
+                    colorMatrix.postConcat(toSkColorMatrix(display.colorTransform));
+                }
+                paint.setColorFilter(SkColorFilters::Matrix(colorMatrix));
+            }
+        } else {
+            ATRACE_NAME("DrawColor");
+            const auto color = layer.source.solidColor;
+            sk_sp<SkShader> shader = SkShaders::Color(SkColor4f{.fR = color.r,
+                                                                .fG = color.g,
+                                                                .fB = color.b,
+                                                                .fA = layer.alpha},
+                                                      toSkColorSpace(layerDataspace));
+            paint.setShader(createRuntimeEffectShader(
+                    RuntimeEffectShaderParameters{.shader = shader,
+                                                  .layer = layer,
+                                                  .display = display,
+                                                  .undoPremultipliedAlpha = false,
+                                                  .requiresLinearEffect = requiresLinearEffect,
+                                                  .layerDimmingRatio = layerDimmingRatio}));
+        }
+
+        if (layer.disableBlending) {
+            paint.setBlendMode(SkBlendMode::kSrc);
+        }
+
+        // An A8 buffer will already have the proper color filter attached to
+        // its paint, including the displayColorTransform as needed.
+        if (!paint.getColorFilter()) {
+            if (!dimInLinearSpace && !equalsWithinMargin(1.0, layerDimmingRatio)) {
+                // If we don't dim in linear space, then when we gamma correct the dimming ratio we
+                // can assume a gamma 2.2 transfer function.
+                static constexpr float kInverseGamma22 = 1.f / 2.2f;
+                const auto gammaCorrectedDimmingRatio =
+                        std::pow(layerDimmingRatio, kInverseGamma22);
+                auto dimmingMatrix =
+                        mat4::scale(vec4(gammaCorrectedDimmingRatio, gammaCorrectedDimmingRatio,
+                                         gammaCorrectedDimmingRatio, 1.f));
+
+                const auto colorFilter =
+                        SkColorFilters::Matrix(toSkColorMatrix(std::move(dimmingMatrix)));
+                paint.setColorFilter(displayColorTransform
+                                             ? displayColorTransform->makeComposed(colorFilter)
+                                             : colorFilter);
+            } else {
+                paint.setColorFilter(displayColorTransform);
+            }
+        }
+
+        if (!roundRectClip.isEmpty()) {
+            canvas->clipRRect(roundRectClip, true);
+        }
+
+        if (!bounds.isRect()) {
+            paint.setAntiAlias(true);
+            canvas->drawRRect(bounds, paint);
+        } else {
+            canvas->drawRect(bounds.rect(), paint);
+        }
+        if (kFlushAfterEveryLayer) {
+            ATRACE_NAME("flush surface");
+            activeSurface->flush();
+        }
+    }
+    for (const auto& borderRenderInfo : display.borderInfoList) {
+        SkPaint p;
+        p.setColor(SkColor4f{borderRenderInfo.color.r, borderRenderInfo.color.g,
+                             borderRenderInfo.color.b, borderRenderInfo.color.a});
+        p.setAntiAlias(true);
+        p.setStyle(SkPaint::kStroke_Style);
+        p.setStrokeWidth(borderRenderInfo.width);
+        SkRegion sk_region;
+        SkPath path;
+
+        // Construct a final SkRegion using Regions
+        for (const auto& r : borderRenderInfo.combinedRegion) {
+            sk_region.op({r.left, r.top, r.right, r.bottom}, SkRegion::kUnion_Op);
+        }
+
+        sk_region.getBoundaryPath(&path);
+        canvas->drawPath(path, p);
+        path.close();
+    }
+
+    surfaceAutoSaveRestore.restore();
+    mCapture->endCapture();
+    {
+        ATRACE_NAME("flush surface");
+        LOG_ALWAYS_FATAL_IF(activeSurface != dstSurface);
+        activeSurface->flush();
+    }
+
+    base::unique_fd drawFence = flushAndSubmit(grContext);
+    resultPromise->set_value({NO_ERROR, std::move(drawFence)});
+    return;
+}
+
+size_t SkiaRenderEngine::getMaxTextureSize() const {
+    return mGrContext->maxTextureSize();
+}
+
+size_t SkiaRenderEngine::getMaxViewportDims() const {
+    return mGrContext->maxRenderTargetSize();
+}
+
+void SkiaRenderEngine::drawShadow(SkCanvas* canvas,
+                                  const SkRRect& casterRRect,
+                                  const ShadowSettings& settings) {
+    ATRACE_CALL();
+    const float casterZ = settings.length / 2.0f;
+    const auto flags =
+            settings.casterIsTranslucent ? kTransparentOccluder_ShadowFlag : kNone_ShadowFlag;
+
+    SkShadowUtils::DrawShadow(canvas, SkPath::RRect(casterRRect), SkPoint3::Make(0, 0, casterZ),
+                              getSkPoint3(settings.lightPos), settings.lightRadius,
+                              getSkColor(settings.ambientColor), getSkColor(settings.spotColor),
+                              flags);
+}
+
+void SkiaRenderEngine::onActiveDisplaySizeChanged(ui::Size size) {
+    // This cache multiplier was selected based on review of cache sizes relative
+    // to the screen resolution. Looking at the worst case memory needed by blur (~1.5x),
+    // shadows (~1x), and general data structures (e.g. vertex buffers) we selected this as a
+    // conservative default based on that analysis.
+    const float SURFACE_SIZE_MULTIPLIER = 3.5f * bytesPerPixel(mDefaultPixelFormat);
+    const int maxResourceBytes = size.width * size.height * SURFACE_SIZE_MULTIPLIER;
+
+    // start by resizing the current context
+    getActiveGrContext()->setResourceCacheLimit(maxResourceBytes);
+
+    // if it is possible to switch contexts then we will resize the other context
+    const bool originalProtectedState = mInProtectedContext;
+    useProtectedContext(!mInProtectedContext);
+    if (mInProtectedContext != originalProtectedState) {
+        getActiveGrContext()->setResourceCacheLimit(maxResourceBytes);
+        // reset back to the initial context that was active when this method was called
+        useProtectedContext(originalProtectedState);
+    }
+}
+
+void SkiaRenderEngine::dump(std::string& result) {
+    // Dump for the specific backend (GLES or Vk)
+    appendBackendSpecificInfoToDump(result);
+
+    // Info about protected content
+    StringAppendF(&result, "RenderEngine supports protected context: %d\n",
+                  supportsProtectedContent());
+    StringAppendF(&result, "RenderEngine is in protected context: %d\n", mInProtectedContext);
+    StringAppendF(&result, "RenderEngine shaders cached since last dump/primeCache: %d\n",
+                  mSkSLCacheMonitor.shadersCachedSinceLastCall());
+
+    std::vector<ResourcePair> cpuResourceMap = {
+            {"skia/sk_resource_cache/bitmap_", "Bitmaps"},
+            {"skia/sk_resource_cache/rrect-blur_", "Masks"},
+            {"skia/sk_resource_cache/rects-blur_", "Masks"},
+            {"skia/sk_resource_cache/tessellated", "Shadows"},
+            {"skia", "Other"},
+    };
+    SkiaMemoryReporter cpuReporter(cpuResourceMap, false);
+    SkGraphics::DumpMemoryStatistics(&cpuReporter);
+    StringAppendF(&result, "Skia CPU Caches: ");
+    cpuReporter.logTotals(result);
+    cpuReporter.logOutput(result);
+
+    {
+        std::lock_guard<std::mutex> lock(mRenderingMutex);
+
+        std::vector<ResourcePair> gpuResourceMap = {
+                {"texture_renderbuffer", "Texture/RenderBuffer"},
+                {"texture", "Texture"},
+                {"gr_text_blob_cache", "Text"},
+                {"skia", "Other"},
+        };
+        SkiaMemoryReporter gpuReporter(gpuResourceMap, true);
+        mGrContext->dumpMemoryStatistics(&gpuReporter);
+        StringAppendF(&result, "Skia's GPU Caches: ");
+        gpuReporter.logTotals(result);
+        gpuReporter.logOutput(result);
+        StringAppendF(&result, "Skia's Wrapped Objects:\n");
+        gpuReporter.logOutput(result, true);
+
+        StringAppendF(&result, "RenderEngine tracked buffers: %zu\n",
+                      mGraphicBufferExternalRefs.size());
+        StringAppendF(&result, "Dumping buffer ids...\n");
+        for (const auto& [id, refCounts] : mGraphicBufferExternalRefs) {
+            StringAppendF(&result, "- 0x%" PRIx64 " - %d refs \n", id, refCounts);
+        }
+        StringAppendF(&result, "RenderEngine AHB/BackendTexture cache size: %zu\n",
+                      mTextureCache.size());
+        StringAppendF(&result, "Dumping buffer ids...\n");
+        // TODO(178539829): It would be nice to know which layer these are coming from and what
+        // the texture sizes are.
+        for (const auto& [id, unused] : mTextureCache) {
+            StringAppendF(&result, "- 0x%" PRIx64 "\n", id);
+        }
+        StringAppendF(&result, "\n");
+
+        SkiaMemoryReporter gpuProtectedReporter(gpuResourceMap, true);
+        if (mProtectedGrContext) {
+            mProtectedGrContext->dumpMemoryStatistics(&gpuProtectedReporter);
+        }
+        StringAppendF(&result, "Skia's GPU Protected Caches: ");
+        gpuProtectedReporter.logTotals(result);
+        gpuProtectedReporter.logOutput(result);
+        StringAppendF(&result, "Skia's Protected Wrapped Objects:\n");
+        gpuProtectedReporter.logOutput(result, true);
+
+        StringAppendF(&result, "\n");
+        StringAppendF(&result, "RenderEngine runtime effects: %zu\n", mRuntimeEffects.size());
+        for (const auto& [linearEffect, unused] : mRuntimeEffects) {
+            StringAppendF(&result, "- inputDataspace: %s\n",
+                          dataspaceDetails(
+                                  static_cast<android_dataspace>(linearEffect.inputDataspace))
+                                  .c_str());
+            StringAppendF(&result, "- outputDataspace: %s\n",
+                          dataspaceDetails(
+                                  static_cast<android_dataspace>(linearEffect.outputDataspace))
+                                  .c_str());
+            StringAppendF(&result, "undoPremultipliedAlpha: %s\n",
+                          linearEffect.undoPremultipliedAlpha ? "true" : "false");
+        }
+    }
+    StringAppendF(&result, "\n");
+}
+
 } // namespace skia
 } // namespace renderengine
 } // namespace android
diff --git a/libs/renderengine/skia/SkiaRenderEngine.h b/libs/renderengine/skia/SkiaRenderEngine.h
index 160a186..a5cd278 100644
--- a/libs/renderengine/skia/SkiaRenderEngine.h
+++ b/libs/renderengine/skia/SkiaRenderEngine.h
@@ -20,6 +20,31 @@
 #include <renderengine/RenderEngine.h>
 #include <sys/types.h>
 
+#include <GrBackendSemaphore.h>
+#include <GrDirectContext.h>
+#include <SkSurface.h>
+#include <android-base/thread_annotations.h>
+#include <renderengine/ExternalTexture.h>
+#include <renderengine/RenderEngine.h>
+#include <sys/types.h>
+
+#include <mutex>
+#include <unordered_map>
+
+#include "AutoBackendTexture.h"
+#include "GrContextOptions.h"
+#include "SkImageInfo.h"
+#include "SkiaRenderEngine.h"
+#include "android-base/macros.h"
+#include "debug/SkiaCapture.h"
+#include "filters/BlurFilter.h"
+#include "filters/LinearEffect.h"
+#include "filters/StretchShaderFactory.h"
+
+class SkData;
+
+struct SkPoint3;
+
 namespace android {
 
 namespace renderengine {
@@ -31,35 +56,141 @@
 
 class BlurFilter;
 
-// TODO: Put common skia stuff here that can be shared between the GL & Vulkan backends
-// Currently mostly just handles all the no-op / missing APIs
 class SkiaRenderEngine : public RenderEngine {
 public:
     static std::unique_ptr<SkiaRenderEngine> create(const RenderEngineCreationArgs& args);
-    SkiaRenderEngine(RenderEngineType type);
-    ~SkiaRenderEngine() override {}
+    SkiaRenderEngine(RenderEngineType type,
+                     PixelFormat pixelFormat,
+                     bool useColorManagement,
+                     bool supportsBackgroundBlur);
+    ~SkiaRenderEngine() override;
 
-    virtual std::future<void> primeCache() override { return {}; };
-    virtual void genTextures(size_t /*count*/, uint32_t* /*names*/) override{};
-    virtual void deleteTextures(size_t /*count*/, uint32_t const* /*names*/) override{};
-    virtual bool isProtected() const override { return false; } // mInProtectedContext; }
-    virtual bool supportsProtectedContent() const override { return false; };
-    virtual int getContextPriority() override { return 0; }
-    virtual int reportShadersCompiled() { return 0; }
-    virtual void setEnableTracing(bool tracingEnabled) override;
+    std::future<void> primeCache() override final;
+    void cleanupPostRender() override final;
+    void cleanFramebufferCache() override final{ }
+    bool isProtected() const override final{ return mInProtectedContext; }
+    bool supportsBackgroundBlur() override final {
+        return mBlurFilter != nullptr;
+    }
+    void onActiveDisplaySizeChanged(ui::Size size) override final;
+    int reportShadersCompiled();
 
+    virtual void genTextures(size_t /*count*/, uint32_t* /*names*/) override final{};
+    virtual void deleteTextures(size_t /*count*/, uint32_t const* /*names*/) override final{};
+    virtual void setEnableTracing(bool tracingEnabled) override final;
+
+    void useProtectedContext(bool useProtectedContext) override;
+    bool supportsProtectedContent() const override {
+        return supportsProtectedContentImpl();
+    }
+    void ensureGrContextsCreated();
 protected:
-    virtual void mapExternalTextureBuffer(const sp<GraphicBuffer>& /*buffer*/,
-                                          bool /*isRenderable*/) override = 0;
-    virtual void unmapExternalTextureBuffer(const sp<GraphicBuffer>& /*buffer*/) override = 0;
+    // This is so backends can stop the generic rendering state first before
+    // cleaning up backend-specific state
+    void finishRenderingAndAbandonContext();
 
-    virtual void drawLayersInternal(
-            const std::shared_ptr<std::promise<RenderEngineResult>>&& resultPromise,
-            const DisplaySettings& display, const std::vector<LayerSettings>& layers,
-            const std::shared_ptr<ExternalTexture>& buffer, const bool useFramebufferCache,
-            base::unique_fd&& bufferFence) override {
-        resultPromise->set_value({NO_ERROR, base::unique_fd()});
+    // Functions that a given backend (GLES, Vulkan) must implement
+    using Contexts = std::pair<sk_sp<GrDirectContext>, sk_sp<GrDirectContext>>;
+    virtual Contexts createDirectContexts(const GrContextOptions& options) = 0;
+    virtual bool supportsProtectedContentImpl() const = 0;
+    virtual bool useProtectedContextImpl(GrProtected isProtected) = 0;
+    virtual void waitFence(GrDirectContext* grContext, base::borrowed_fd fenceFd) = 0;
+    virtual base::unique_fd flushAndSubmit(GrDirectContext* context) = 0;
+    virtual void appendBackendSpecificInfoToDump(std::string& result) = 0;
+
+    size_t getMaxTextureSize() const override final;
+    size_t getMaxViewportDims() const override final;
+    GrDirectContext* getActiveGrContext();
+
+    // Implements PersistentCache as a way to monitor what SkSL shaders Skia has
+    // cached.
+    class SkSLCacheMonitor : public GrContextOptions::PersistentCache {
+    public:
+        SkSLCacheMonitor() = default;
+        ~SkSLCacheMonitor() override = default;
+
+        sk_sp<SkData> load(const SkData& key) override;
+
+        void store(const SkData& key, const SkData& data, const SkString& description) override;
+
+        int shadersCachedSinceLastCall() {
+            const int shadersCachedSinceLastCall = mShadersCachedSinceLastCall;
+            mShadersCachedSinceLastCall = 0;
+            return shadersCachedSinceLastCall;
+        }
+
+        int totalShadersCompiled() const { return mTotalShadersCompiled; }
+
+    private:
+        int mShadersCachedSinceLastCall = 0;
+        int mTotalShadersCompiled = 0;
     };
+
+private:
+    void mapExternalTextureBuffer(const sp<GraphicBuffer>& buffer,
+                                  bool isRenderable) override final;
+    void unmapExternalTextureBuffer(const sp<GraphicBuffer>& buffer) override final;
+    bool canSkipPostRenderCleanup() const override final;
+
+    void initCanvas(SkCanvas* canvas, const DisplaySettings& display);
+    void drawShadow(SkCanvas* canvas, const SkRRect& casterRRect,
+                    const ShadowSettings& shadowSettings);
+    void drawLayersInternal(const std::shared_ptr<std::promise<RenderEngineResult>>&& resultPromise,
+                            const DisplaySettings& display,
+                            const std::vector<LayerSettings>& layers,
+                            const std::shared_ptr<ExternalTexture>& buffer,
+                            const bool useFramebufferCache,
+                            base::unique_fd&& bufferFence) override final;
+
+    void dump(std::string& result) override final;
+
+    // If requiresLinearEffect is true or the layer has a stretchEffect a new shader is returned.
+    // Otherwise it returns the input shader.
+    struct RuntimeEffectShaderParameters {
+        sk_sp<SkShader> shader;
+        const LayerSettings& layer;
+        const DisplaySettings& display;
+        bool undoPremultipliedAlpha;
+        bool requiresLinearEffect;
+        float layerDimmingRatio;
+    };
+    sk_sp<SkShader> createRuntimeEffectShader(const RuntimeEffectShaderParameters&);
+
+    const PixelFormat mDefaultPixelFormat;
+    const bool mUseColorManagement;
+
+    // Identifier used for various mappings of layers to various
+    // textures or shaders
+    using GraphicBufferId = uint64_t;
+
+    // Number of external holders of ExternalTexture references, per GraphicBuffer ID.
+    std::unordered_map<GraphicBufferId, int32_t> mGraphicBufferExternalRefs
+            GUARDED_BY(mRenderingMutex);
+    // Cache of GL textures that we'll store per GraphicBuffer ID, shared between GPU contexts.
+    std::unordered_map<GraphicBufferId, std::shared_ptr<AutoBackendTexture::LocalRef>> mTextureCache
+            GUARDED_BY(mRenderingMutex);
+    std::unordered_map<shaders::LinearEffect, sk_sp<SkRuntimeEffect>, shaders::LinearEffectHasher>
+            mRuntimeEffects;
+    AutoBackendTexture::CleanupManager mTextureCleanupMgr GUARDED_BY(mRenderingMutex);
+
+    StretchShaderFactory mStretchShaderFactory;
+
+    sp<Fence> mLastDrawFence;
+    BlurFilter* mBlurFilter = nullptr;
+
+    // Object to capture commands send to Skia.
+    std::unique_ptr<SkiaCapture> mCapture;
+
+    // Mutex guarding rendering operations, so that internal state related to
+    // rendering that is potentially modified by multiple threads is guaranteed thread-safe.
+    mutable std::mutex mRenderingMutex;
+    SkSLCacheMonitor mSkSLCacheMonitor;
+
+    // Graphics context used for creating surfaces and submitting commands
+    sk_sp<GrDirectContext> mGrContext;
+    // Same as above, but for protected content (eg. DRM)
+    sk_sp<GrDirectContext> mProtectedGrContext;
+    bool mInProtectedContext = false;
 };
 
 } // namespace skia
diff --git a/rustfmt.toml b/rustfmt.toml
new file mode 120000
index 0000000..ee92d9e
--- /dev/null
+++ b/rustfmt.toml
@@ -0,0 +1 @@
+../../build/soong/scripts/rustfmt.toml
\ No newline at end of file
diff --git a/services/gpuservice/Android.bp b/services/gpuservice/Android.bp
index 5b4ee21..fba64c7 100644
--- a/services/gpuservice/Android.bp
+++ b/services/gpuservice/Android.bp
@@ -99,7 +99,7 @@
     init_rc: ["gpuservice.rc"],
     required: [
         "bpfloader",
-        "gpu_mem.o",
+        "gpuMem.o",
     ],
     srcs: [":gpuservice_binary_sources"],
     shared_libs: [
diff --git a/services/gpuservice/CleanSpec.mk b/services/gpuservice/CleanSpec.mk
index 482fc6d..c51f6aa 100644
--- a/services/gpuservice/CleanSpec.mk
+++ b/services/gpuservice/CleanSpec.mk
@@ -44,9 +44,9 @@
 #$(call add-clean-step, find $(OUT_DIR) -type f -name "IGTalkSession*" -print0 | xargs -0 rm -f)
 #$(call add-clean-step, rm -rf $(PRODUCT_OUT)/data/*)
 
-# Remove gpu_mem.o
+# Remove gpuMem.o
 $(call add-clean-step, rm -rf $(OUT_DIR)/soong/.intermediates/frameworks/native/services/gpuservice/bpf)
-$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/FAKE/gpu_mem.o_intermediates)
-$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/ETC/gpu_mem.o_gpu_mem.o_intermediates)
-$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/etc/bpf/gpu_mem.o)
-$(call add-clean-step, rm -rf $(PRODUCT_OUT)/fake_packages/gpu_mem.o-timestamp)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/FAKE/gpuMem.o_intermediates)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/ETC/gpuMem.o_gpuMem.o_intermediates)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/etc/bpf/gpuMem.o)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/fake_packages/gpuMem.o-timestamp)
diff --git a/services/gpuservice/bpfprogs/Android.bp b/services/gpuservice/bpfprogs/Android.bp
index 076affd..680b291 100644
--- a/services/gpuservice/bpfprogs/Android.bp
+++ b/services/gpuservice/bpfprogs/Android.bp
@@ -22,8 +22,8 @@
 }
 
 bpf {
-    name: "gpu_mem.o",
-    srcs: ["gpu_mem.c"],
+    name: "gpuMem.o",
+    srcs: ["gpuMem.c"],
     btf: true,
     cflags: [
         "-Wall",
diff --git a/services/gpuservice/bpfprogs/gpu_mem.c b/services/gpuservice/bpfprogs/gpuMem.c
similarity index 100%
rename from services/gpuservice/bpfprogs/gpu_mem.c
rename to services/gpuservice/bpfprogs/gpuMem.c
diff --git a/services/gpuservice/gpumem/include/gpumem/GpuMem.h b/services/gpuservice/gpumem/include/gpumem/GpuMem.h
index de691e2..7588b54 100644
--- a/services/gpuservice/gpumem/include/gpumem/GpuMem.h
+++ b/services/gpuservice/gpumem/include/gpumem/GpuMem.h
@@ -57,9 +57,9 @@
     static constexpr char kGpuMemTotalTracepoint[] = "gpu_mem_total";
     // pinned gpu memory total bpf c program path in bpf sysfs
     static constexpr char kGpuMemTotalProgPath[] =
-            "/sys/fs/bpf/prog_gpu_mem_tracepoint_gpu_mem_gpu_mem_total";
+            "/sys/fs/bpf/prog_gpuMem_tracepoint_gpu_mem_gpu_mem_total";
     // pinned gpu memory total bpf map path in bpf sysfs
-    static constexpr char kGpuMemTotalMapPath[] = "/sys/fs/bpf/map_gpu_mem_gpu_mem_total_map";
+    static constexpr char kGpuMemTotalMapPath[] = "/sys/fs/bpf/map_gpuMem_gpu_mem_total_map";
     // 30 seconds timeout for trying to attach bpf program to tracepoint
     static constexpr int kGpuWaitTimeout = 30;
 };
diff --git a/services/gpuservice/tests/unittests/GpuMemTest.cpp b/services/gpuservice/tests/unittests/GpuMemTest.cpp
index 36ae179..8dabe4f 100644
--- a/services/gpuservice/tests/unittests/GpuMemTest.cpp
+++ b/services/gpuservice/tests/unittests/GpuMemTest.cpp
@@ -90,8 +90,8 @@
     EXPECT_EQ(mTestableGpuMem.getGpuMemTraceGroup(), "gpu_mem");
     EXPECT_EQ(mTestableGpuMem.getGpuMemTotalTracepoint(), "gpu_mem_total");
     EXPECT_EQ(mTestableGpuMem.getGpuMemTotalProgPath(),
-              "/sys/fs/bpf/prog_gpu_mem_tracepoint_gpu_mem_gpu_mem_total");
-    EXPECT_EQ(mTestableGpuMem.getGpuMemTotalMapPath(), "/sys/fs/bpf/map_gpu_mem_gpu_mem_total_map");
+              "/sys/fs/bpf/prog_gpuMem_tracepoint_gpu_mem_gpu_mem_total");
+    EXPECT_EQ(mTestableGpuMem.getGpuMemTotalMapPath(), "/sys/fs/bpf/map_gpuMem_gpu_mem_total_map");
 }
 
 TEST_F(GpuMemTest, bpfInitializationFailed) {
diff --git a/services/inputflinger/Android.bp b/services/inputflinger/Android.bp
index 41878e3..554514d 100644
--- a/services/inputflinger/Android.bp
+++ b/services/inputflinger/Android.bp
@@ -168,3 +168,38 @@
         "libinputflinger_headers",
     ],
 }
+
+// This target will build everything 'input-related'. This could be useful for
+// large refactorings of the input code. This is similar to 'm checkbuild', but
+// just for input code.
+// Use 'm checkinput' to build, and then (optionally) use 'm installclean' to
+// remove any of the installed artifacts that you may not want on your actual
+// build.
+phony {
+    name: "checkinput",
+    required: [
+        // native targets
+        "libinput",
+        "libinputflinger",
+        "inputflinger_tests",
+        "inputflinger_benchmarks",
+        "libinput_tests",
+        "libpalmrejection_test",
+        "libandroid_runtime",
+        "libinputservice_test",
+        "Bug-115739809",
+        "StructLayout_test",
+
+        // Java/Kotlin targets
+        "CtsWindowManagerDeviceTestCases",
+        "InputTests",
+        "CtsHardwareTestCases",
+        "CtsInputTestCases",
+        "CtsViewTestCases",
+        "CtsWidgetTestCases",
+        "FrameworksCoreTests",
+        "FrameworksServicesTests",
+        "CtsSecurityTestCases",
+        "CtsSecurityBulletinHostTestCases",
+    ],
+}
diff --git a/services/inputflinger/dispatcher/InputDispatcher.cpp b/services/inputflinger/dispatcher/InputDispatcher.cpp
index 9265fd3..79e9d4b 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.cpp
+++ b/services/inputflinger/dispatcher/InputDispatcher.cpp
@@ -2207,10 +2207,7 @@
 
             // Update the temporary touch state.
             BitSet32 pointerIds;
-            if (isSplit) {
-                uint32_t pointerId = entry.pointerProperties[pointerIndex].id;
-                pointerIds.markBit(pointerId);
-            }
+            pointerIds.markBit(entry.pointerProperties[pointerIndex].id);
 
             tempTouchState.addOrUpdateWindow(windowHandle, targetFlags, pointerIds,
                                              entry.eventTime);
@@ -2297,9 +2294,7 @@
                 }
 
                 BitSet32 pointerIds;
-                if (isSplit) {
-                    pointerIds.markBit(entry.pointerProperties[0].id);
-                }
+                pointerIds.markBit(entry.pointerProperties[0].id);
                 tempTouchState.addOrUpdateWindow(newTouchedWindowHandle, targetFlags, pointerIds,
                                                  entry.eventTime);
             }
@@ -2477,21 +2472,28 @@
             }
         } else if (maskedAction == AMOTION_EVENT_ACTION_POINTER_UP) {
             // One pointer went up.
-            if (isSplit) {
-                int32_t pointerIndex = getMotionEventActionPointerIndex(action);
-                uint32_t pointerId = entry.pointerProperties[pointerIndex].id;
+            int32_t pointerIndex = getMotionEventActionPointerIndex(action);
+            uint32_t pointerId = entry.pointerProperties[pointerIndex].id;
 
-                for (size_t i = 0; i < tempTouchState.windows.size();) {
-                    TouchedWindow& touchedWindow = tempTouchState.windows[i];
-                    if (touchedWindow.targetFlags & InputTarget::FLAG_SPLIT) {
-                        touchedWindow.pointerIds.clearBit(pointerId);
-                        if (touchedWindow.pointerIds.isEmpty()) {
-                            tempTouchState.windows.erase(tempTouchState.windows.begin() + i);
-                            continue;
-                        }
-                    }
-                    i += 1;
+            for (size_t i = 0; i < tempTouchState.windows.size();) {
+                TouchedWindow& touchedWindow = tempTouchState.windows[i];
+                touchedWindow.pointerIds.clearBit(pointerId);
+                if (touchedWindow.pointerIds.isEmpty()) {
+                    tempTouchState.windows.erase(tempTouchState.windows.begin() + i);
+                    continue;
                 }
+                i += 1;
+            }
+        } else if (!isSplit && maskedAction == AMOTION_EVENT_ACTION_POINTER_DOWN) {
+            // If no split, we suppose all touched windows should receive pointer down.
+            const int32_t pointerIndex = getMotionEventActionPointerIndex(action);
+            for (size_t i = 0; i < tempTouchState.windows.size(); i++) {
+                TouchedWindow& touchedWindow = tempTouchState.windows[i];
+                // Ignore drag window for it should just track one pointer.
+                if (mDragState && mDragState->dragWindow == touchedWindow.windowHandle) {
+                    continue;
+                }
+                touchedWindow.pointerIds.markBit(entry.pointerProperties[pointerIndex].id);
             }
         }
 
@@ -4507,6 +4509,14 @@
     if (it == mDisplayInfos.end()) return;
     const auto& transformToDisplay = it->second.transform.inverse() * injectedTransform;
 
+    if (entry.xCursorPosition != AMOTION_EVENT_INVALID_CURSOR_POSITION &&
+        entry.yCursorPosition != AMOTION_EVENT_INVALID_CURSOR_POSITION) {
+        const vec2 cursor =
+                MotionEvent::calculateTransformedXY(entry.source, transformToDisplay,
+                                                    {entry.xCursorPosition, entry.yCursorPosition});
+        entry.xCursorPosition = cursor.x;
+        entry.yCursorPosition = cursor.y;
+    }
     for (uint32_t i = 0; i < entry.pointerCount; i++) {
         entry.pointerCoords[i] =
                 MotionEvent::calculateTransformedCoords(entry.source, transformToDisplay,
@@ -5113,14 +5123,13 @@
 
         // Store the dragging window.
         if (isDragDrop) {
-            if (pointerIds.count() > 1) {
-                ALOGW("The drag and drop cannot be started when there is more than 1 pointer on the"
-                      " window.");
+            if (pointerIds.count() != 1) {
+                ALOGW("The drag and drop cannot be started when there is no pointer or more than 1"
+                      " pointer on the window.");
                 return false;
             }
-            // If the window didn't not support split or the source is mouse, the pointerIds count
-            // would be 0, so we have to track the pointer 0.
-            const int32_t id = pointerIds.count() == 0 ? 0 : pointerIds.firstMarkedBit();
+            // Track the pointer id for drag window and generate the drag state.
+            const int32_t id = pointerIds.firstMarkedBit();
             mDragState = std::make_unique<DragState>(toWindowHandle, id);
         }
 
diff --git a/services/inputflinger/dispatcher/InputTarget.cpp b/services/inputflinger/dispatcher/InputTarget.cpp
index d39113b..2df97d9 100644
--- a/services/inputflinger/dispatcher/InputTarget.cpp
+++ b/services/inputflinger/dispatcher/InputTarget.cpp
@@ -43,8 +43,8 @@
 }
 
 void InputTarget::addPointers(BitSet32 newPointerIds, const ui::Transform& transform) {
-    // The pointerIds can be empty, but still a valid InputTarget. This can happen for Monitors
-    // and non splittable windows since we will just use all the pointers from the input event.
+    // The pointerIds can be empty, but still a valid InputTarget. This can happen when there is no
+    // valid pointer property from the input event.
     if (newPointerIds.isEmpty()) {
         setDefaultPointerTransform(transform);
         return;
diff --git a/services/inputflinger/dispatcher/TouchedWindow.h b/services/inputflinger/dispatcher/TouchedWindow.h
index 0962d0c..a7839db 100644
--- a/services/inputflinger/dispatcher/TouchedWindow.h
+++ b/services/inputflinger/dispatcher/TouchedWindow.h
@@ -29,7 +29,7 @@
 struct TouchedWindow {
     sp<gui::WindowInfoHandle> windowHandle;
     int32_t targetFlags;
-    BitSet32 pointerIds; // zero unless target flag FLAG_SPLIT is set
+    BitSet32 pointerIds;
     bool isPilferingPointers = false;
     // Time at which the first action down occurred on this window.
     // NOTE: This is not initialized in case of HOVER entry/exit and DISPATCH_AS_OUTSIDE scenario.
diff --git a/services/inputflinger/reader/mapper/CursorInputMapper.cpp b/services/inputflinger/reader/mapper/CursorInputMapper.cpp
index baa6007..6058a1e 100644
--- a/services/inputflinger/reader/mapper/CursorInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/CursorInputMapper.cpp
@@ -67,7 +67,11 @@
 CursorInputMapper::CursorInputMapper(InputDeviceContext& deviceContext)
       : InputMapper(deviceContext) {}
 
-CursorInputMapper::~CursorInputMapper() {}
+CursorInputMapper::~CursorInputMapper() {
+    if (mPointerController != nullptr) {
+        mPointerController->fade(PointerControllerInterface::Transition::IMMEDIATE);
+    }
+}
 
 uint32_t CursorInputMapper::getSources() const {
     return mSource;
diff --git a/services/inputflinger/tests/InputDispatcher_test.cpp b/services/inputflinger/tests/InputDispatcher_test.cpp
index f8d8d13..7f21dea 100644
--- a/services/inputflinger/tests/InputDispatcher_test.cpp
+++ b/services/inputflinger/tests/InputDispatcher_test.cpp
@@ -6202,6 +6202,8 @@
     sp<FakeWindowHandle> mSecondWindow;
     sp<FakeWindowHandle> mDragWindow;
     sp<FakeWindowHandle> mSpyWindow;
+    // Mouse would force no-split, set the id as non-zero to verify if drag state could track it.
+    static constexpr int32_t MOUSE_POINTER_ID = 1;
 
     void SetUp() override {
         InputDispatcherTest::SetUp();
@@ -6221,11 +6223,41 @@
         mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {mSpyWindow, mWindow, mSecondWindow}}});
     }
 
-    void injectDown() {
-        ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
-                  injectMotionDown(mDispatcher, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT,
-                                   {50, 50}))
-                << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    void injectDown(int fromSource = AINPUT_SOURCE_TOUCHSCREEN) {
+        switch (fromSource) {
+            case AINPUT_SOURCE_TOUCHSCREEN:
+                ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+                          injectMotionDown(mDispatcher, AINPUT_SOURCE_TOUCHSCREEN,
+                                           ADISPLAY_ID_DEFAULT, {50, 50}))
+                        << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+                break;
+            case AINPUT_SOURCE_STYLUS:
+                ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+                          injectMotionEvent(
+                                  mDispatcher,
+                                  MotionEventBuilder(AMOTION_EVENT_ACTION_DOWN,
+                                                     AINPUT_SOURCE_STYLUS)
+                                          .buttonState(AMOTION_EVENT_BUTTON_STYLUS_PRIMARY)
+                                          .pointer(PointerBuilder(0, AMOTION_EVENT_TOOL_TYPE_STYLUS)
+                                                           .x(50)
+                                                           .y(50))
+                                          .build()));
+                break;
+            case AINPUT_SOURCE_MOUSE:
+                ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+                          injectMotionEvent(
+                                  mDispatcher,
+                                  MotionEventBuilder(AMOTION_EVENT_ACTION_DOWN, AINPUT_SOURCE_MOUSE)
+                                          .buttonState(AMOTION_EVENT_BUTTON_PRIMARY)
+                                          .pointer(PointerBuilder(MOUSE_POINTER_ID,
+                                                                  AMOTION_EVENT_TOOL_TYPE_MOUSE)
+                                                           .x(50)
+                                                           .y(50))
+                                          .build()));
+                break;
+            default:
+                FAIL() << "Source " << fromSource << " doesn't support drag and drop";
+        }
 
         // Window should receive motion event.
         mWindow->consumeMotionDown(ADISPLAY_ID_DEFAULT);
@@ -6236,9 +6268,9 @@
     // Start performing drag, we will create a drag window and transfer touch to it.
     // @param sendDown : if true, send a motion down on first window before perform drag and drop.
     // Returns true on success.
-    bool performDrag(bool sendDown = true) {
+    bool startDrag(bool sendDown = true, int fromSource = AINPUT_SOURCE_TOUCHSCREEN) {
         if (sendDown) {
-            injectDown();
+            injectDown(fromSource);
         }
 
         // The drag window covers the entire display
@@ -6257,36 +6289,10 @@
         }
         return transferred;
     }
-
-    // Start performing drag, we will create a drag window and transfer touch to it.
-    void performStylusDrag() {
-        ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
-                  injectMotionEvent(mDispatcher,
-                                    MotionEventBuilder(AMOTION_EVENT_ACTION_DOWN,
-                                                       AINPUT_SOURCE_STYLUS)
-                                            .buttonState(AMOTION_EVENT_BUTTON_STYLUS_PRIMARY)
-                                            .pointer(PointerBuilder(0,
-                                                                    AMOTION_EVENT_TOOL_TYPE_STYLUS)
-                                                             .x(50)
-                                                             .y(50))
-                                            .build()));
-        mWindow->consumeMotionDown(ADISPLAY_ID_DEFAULT);
-
-        // The drag window covers the entire display
-        mDragWindow = new FakeWindowHandle(mApp, mDispatcher, "DragWindow", ADISPLAY_ID_DEFAULT);
-        mDispatcher->setInputWindows(
-                {{ADISPLAY_ID_DEFAULT, {mDragWindow, mWindow, mSecondWindow}}});
-
-        // Transfer touch focus to the drag window
-        mDispatcher->transferTouchFocus(mWindow->getToken(), mDragWindow->getToken(),
-                                        true /* isDragDrop */);
-        mWindow->consumeMotionCancel();
-        mDragWindow->consumeMotionDown();
-    }
 };
 
 TEST_F(InputDispatcherDragTests, DragEnterAndDragExit) {
-    performDrag();
+    startDrag();
 
     // Move on window.
     ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
@@ -6324,7 +6330,7 @@
 }
 
 TEST_F(InputDispatcherDragTests, DragEnterAndPointerDownPilfersPointers) {
-    performDrag();
+    startDrag();
 
     // No cancel event after drag start
     mSpyWindow->assertNoEvents();
@@ -6348,7 +6354,7 @@
 }
 
 TEST_F(InputDispatcherDragTests, DragAndDrop) {
-    performDrag();
+    startDrag();
 
     // Move on window.
     ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
@@ -6380,7 +6386,7 @@
 }
 
 TEST_F(InputDispatcherDragTests, StylusDragAndDrop) {
-    performStylusDrag();
+    startDrag(true, AINPUT_SOURCE_STYLUS);
 
     // Move on window and keep button pressed.
     ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
@@ -6427,7 +6433,7 @@
 }
 
 TEST_F(InputDispatcherDragTests, DragAndDropOnInvalidWindow) {
-    performDrag();
+    startDrag();
 
     // Set second window invisible.
     mSecondWindow->setVisible(false);
@@ -6463,6 +6469,9 @@
 }
 
 TEST_F(InputDispatcherDragTests, NoDragAndDropWhenMultiFingers) {
+    // Ensure window could track pointerIds if it didn't support split touch.
+    mWindow->setPreventSplitting(true);
+
     ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
               injectMotionDown(mDispatcher, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT,
                                {50, 50}))
@@ -6483,7 +6492,7 @@
     mWindow->consumeMotionPointerDown(1 /* pointerIndex */);
 
     // Should not perform drag and drop when window has multi fingers.
-    ASSERT_FALSE(performDrag(false));
+    ASSERT_FALSE(startDrag(false));
 }
 
 TEST_F(InputDispatcherDragTests, DragAndDropWhenSplitTouch) {
@@ -6511,7 +6520,7 @@
     mWindow->consumeMotionDown(ADISPLAY_ID_DEFAULT);
 
     // Perform drag and drop from first window.
-    ASSERT_TRUE(performDrag(false));
+    ASSERT_TRUE(startDrag(false));
 
     // Move on window.
     const MotionEvent secondFingerMoveEvent =
@@ -6546,7 +6555,7 @@
 }
 
 TEST_F(InputDispatcherDragTests, DragAndDropWhenMultiDisplays) {
-    performDrag();
+    startDrag();
 
     // Update window of second display.
     sp<FakeWindowHandle> windowInSecondary =
@@ -6597,6 +6606,55 @@
     mSecondWindow->assertNoEvents();
 }
 
+TEST_F(InputDispatcherDragTests, MouseDragAndDrop) {
+    startDrag(true, AINPUT_SOURCE_MOUSE);
+    // Move on window.
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionEvent(mDispatcher,
+                                MotionEventBuilder(AMOTION_EVENT_ACTION_MOVE, AINPUT_SOURCE_MOUSE)
+                                        .buttonState(AMOTION_EVENT_BUTTON_PRIMARY)
+                                        .pointer(PointerBuilder(MOUSE_POINTER_ID,
+                                                                AMOTION_EVENT_TOOL_TYPE_MOUSE)
+                                                         .x(50)
+                                                         .y(50))
+                                        .build()))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    mDragWindow->consumeMotionMove(ADISPLAY_ID_DEFAULT);
+    mWindow->consumeDragEvent(false, 50, 50);
+    mSecondWindow->assertNoEvents();
+
+    // Move to another window.
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionEvent(mDispatcher,
+                                MotionEventBuilder(AMOTION_EVENT_ACTION_MOVE, AINPUT_SOURCE_MOUSE)
+                                        .buttonState(AMOTION_EVENT_BUTTON_PRIMARY)
+                                        .pointer(PointerBuilder(MOUSE_POINTER_ID,
+                                                                AMOTION_EVENT_TOOL_TYPE_MOUSE)
+                                                         .x(150)
+                                                         .y(50))
+                                        .build()))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    mDragWindow->consumeMotionMove(ADISPLAY_ID_DEFAULT);
+    mWindow->consumeDragEvent(true, 150, 50);
+    mSecondWindow->consumeDragEvent(false, 50, 50);
+
+    // drop to another window.
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionEvent(mDispatcher,
+                                MotionEventBuilder(AMOTION_EVENT_ACTION_UP, AINPUT_SOURCE_MOUSE)
+                                        .buttonState(0)
+                                        .pointer(PointerBuilder(MOUSE_POINTER_ID,
+                                                                AMOTION_EVENT_TOOL_TYPE_MOUSE)
+                                                         .x(150)
+                                                         .y(50))
+                                        .build()))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    mDragWindow->consumeMotionUp(ADISPLAY_ID_DEFAULT);
+    mFakePolicy->assertDropTargetEquals(mSecondWindow->getToken());
+    mWindow->assertNoEvents();
+    mSecondWindow->assertNoEvents();
+}
+
 class InputDispatcherDropInputFeatureTest : public InputDispatcherTest {};
 
 TEST_F(InputDispatcherDropInputFeatureTest, WindowDropsInput) {
diff --git a/services/surfaceflinger/DisplayHardware/PowerAdvisor.cpp b/services/surfaceflinger/DisplayHardware/PowerAdvisor.cpp
index 77dda6c..b9d4753 100644
--- a/services/surfaceflinger/DisplayHardware/PowerAdvisor.cpp
+++ b/services/surfaceflinger/DisplayHardware/PowerAdvisor.cpp
@@ -187,7 +187,7 @@
     if (!mSupportsPowerHint.has_value()) {
         std::lock_guard lock(mPowerHalMutex);
         HalWrapper* const halWrapper = getPowerHal();
-        mSupportsPowerHint = halWrapper->supportsPowerHintSession();
+        mSupportsPowerHint = halWrapper && halWrapper->supportsPowerHintSession();
     }
     return *mSupportsPowerHint;
 }
diff --git a/services/surfaceflinger/Scheduler/Android.bp b/services/surfaceflinger/Scheduler/Android.bp
index 5de796d..5bd8a99 100644
--- a/services/surfaceflinger/Scheduler/Android.bp
+++ b/services/surfaceflinger/Scheduler/Android.bp
@@ -18,6 +18,7 @@
         "libbase",
         "libcutils",
         "liblog",
+        "libui",
         "libutils",
     ],
 }
@@ -39,6 +40,7 @@
     name: "libscheduler",
     defaults: ["libscheduler_defaults"],
     srcs: [
+        "src/PresentLatencyTracker.cpp",
         "src/Timer.cpp",
     ],
     local_include_dirs: ["include"],
@@ -50,6 +52,7 @@
     test_suites: ["device-tests"],
     defaults: ["libscheduler_defaults"],
     srcs: [
+        "tests/PresentLatencyTrackerTest.cpp",
         "tests/TimerTest.cpp",
     ],
     static_libs: [
diff --git a/services/surfaceflinger/Scheduler/include/scheduler/PresentLatencyTracker.h b/services/surfaceflinger/Scheduler/include/scheduler/PresentLatencyTracker.h
new file mode 100644
index 0000000..23ae83f
--- /dev/null
+++ b/services/surfaceflinger/Scheduler/include/scheduler/PresentLatencyTracker.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2022 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.
+ */
+
+#pragma once
+
+#include <memory>
+#include <queue>
+#include <utility>
+
+#include <scheduler/Time.h>
+
+namespace android {
+
+class FenceTime;
+
+namespace scheduler {
+
+// Computes composite-to-present latency by tracking recently composited frames pending to present.
+class PresentLatencyTracker {
+public:
+    // For tests.
+    static constexpr size_t kMaxPendingFrames = 4;
+
+    // Returns the present latency of the latest frame.
+    Duration trackPendingFrame(TimePoint compositeTime,
+                               std::shared_ptr<FenceTime> presentFenceTime);
+
+private:
+    struct PendingFrame {
+        PendingFrame(TimePoint compositeTime, std::shared_ptr<FenceTime> presentFenceTime)
+              : compositeTime(compositeTime), presentFenceTime(std::move(presentFenceTime)) {}
+
+        const TimePoint compositeTime;
+        const std::shared_ptr<FenceTime> presentFenceTime;
+    };
+
+    std::queue<PendingFrame> mPendingFrames;
+};
+
+} // namespace scheduler
+} // namespace android
diff --git a/services/surfaceflinger/Scheduler/include/scheduler/Time.h b/services/surfaceflinger/Scheduler/include/scheduler/Time.h
index 6fa548e..2b3ad2d 100644
--- a/services/surfaceflinger/Scheduler/include/scheduler/Time.h
+++ b/services/surfaceflinger/Scheduler/include/scheduler/Time.h
@@ -32,13 +32,13 @@
 struct Duration;
 
 struct TimePoint : scheduler::SchedulerClock::time_point {
-    explicit TimePoint(const Duration&);
+    explicit constexpr TimePoint(const Duration&);
 
     // Implicit conversion from std::chrono counterpart.
     constexpr TimePoint(scheduler::SchedulerClock::time_point p)
           : scheduler::SchedulerClock::time_point(p) {}
 
-    static TimePoint fromNs(nsecs_t);
+    static constexpr TimePoint fromNs(nsecs_t);
 
     nsecs_t ns() const;
 };
@@ -47,16 +47,16 @@
     // Implicit conversion from std::chrono counterpart.
     constexpr Duration(TimePoint::duration d) : TimePoint::duration(d) {}
 
-    static Duration fromNs(nsecs_t ns) { return {std::chrono::nanoseconds(ns)}; }
+    static constexpr Duration fromNs(nsecs_t ns) { return {std::chrono::nanoseconds(ns)}; }
 
     nsecs_t ns() const { return std::chrono::nanoseconds(*this).count(); }
 };
 
 using Period = Duration;
 
-inline TimePoint::TimePoint(const Duration& d) : scheduler::SchedulerClock::time_point(d) {}
+constexpr TimePoint::TimePoint(const Duration& d) : scheduler::SchedulerClock::time_point(d) {}
 
-inline TimePoint TimePoint::fromNs(nsecs_t ns) {
+constexpr TimePoint TimePoint::fromNs(nsecs_t ns) {
     return TimePoint(Duration::fromNs(ns));
 }
 
diff --git a/services/surfaceflinger/Scheduler/src/PresentLatencyTracker.cpp b/services/surfaceflinger/Scheduler/src/PresentLatencyTracker.cpp
new file mode 100644
index 0000000..8f3e081
--- /dev/null
+++ b/services/surfaceflinger/Scheduler/src/PresentLatencyTracker.cpp
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2022 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 <scheduler/PresentLatencyTracker.h>
+
+#include <cutils/compiler.h>
+#include <log/log.h>
+#include <ui/FenceTime.h>
+
+namespace android::scheduler {
+
+Duration PresentLatencyTracker::trackPendingFrame(TimePoint compositeTime,
+                                                  std::shared_ptr<FenceTime> presentFenceTime) {
+    Duration presentLatency = Duration::zero();
+    while (!mPendingFrames.empty()) {
+        const auto& pendingFrame = mPendingFrames.front();
+        const auto presentTime =
+                TimePoint::fromNs(pendingFrame.presentFenceTime->getCachedSignalTime());
+
+        if (presentTime == TimePoint::fromNs(Fence::SIGNAL_TIME_PENDING)) {
+            break;
+        }
+
+        if (presentTime == TimePoint::fromNs(Fence::SIGNAL_TIME_INVALID)) {
+            ALOGE("%s: Invalid present fence", __func__);
+        } else {
+            presentLatency = presentTime - pendingFrame.compositeTime;
+        }
+
+        mPendingFrames.pop();
+    }
+
+    mPendingFrames.emplace(compositeTime, std::move(presentFenceTime));
+
+    if (CC_UNLIKELY(mPendingFrames.size() > kMaxPendingFrames)) {
+        ALOGE("%s: Too many pending frames", __func__);
+        mPendingFrames.pop();
+    }
+
+    return presentLatency;
+}
+
+} // namespace android::scheduler
diff --git a/services/surfaceflinger/Scheduler/tests/PresentLatencyTrackerTest.cpp b/services/surfaceflinger/Scheduler/tests/PresentLatencyTrackerTest.cpp
new file mode 100644
index 0000000..8952ca9
--- /dev/null
+++ b/services/surfaceflinger/Scheduler/tests/PresentLatencyTrackerTest.cpp
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2022 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 <gtest/gtest.h>
+
+#include <algorithm>
+#include <array>
+
+#include <scheduler/PresentLatencyTracker.h>
+#include <ui/FenceTime.h>
+
+namespace android::scheduler {
+namespace {
+
+using FencePair = std::pair<sp<Fence>, std::shared_ptr<FenceTime>>;
+
+FencePair makePendingFence(FenceToFenceTimeMap& fenceMap) {
+    const auto fence = sp<Fence>::make();
+    return {fence, fenceMap.createFenceTimeForTest(fence)};
+}
+
+} // namespace
+
+TEST(PresentLatencyTrackerTest, skipsInvalidFences) {
+    PresentLatencyTracker tracker;
+
+    const TimePoint kCompositeTime = TimePoint::fromNs(999);
+    EXPECT_EQ(tracker.trackPendingFrame(kCompositeTime, FenceTime::NO_FENCE), Duration::zero());
+    EXPECT_EQ(tracker.trackPendingFrame(kCompositeTime, FenceTime::NO_FENCE), Duration::zero());
+    EXPECT_EQ(tracker.trackPendingFrame(kCompositeTime, FenceTime::NO_FENCE), Duration::zero());
+
+    FenceToFenceTimeMap fenceMap;
+    const auto [fence, fenceTime] = makePendingFence(fenceMap);
+    EXPECT_EQ(tracker.trackPendingFrame(kCompositeTime, fenceTime), Duration::zero());
+
+    fenceTime->signalForTest(9999);
+
+    EXPECT_EQ(tracker.trackPendingFrame(kCompositeTime, FenceTime::NO_FENCE),
+              Duration::fromNs(9000));
+}
+
+TEST(PresentLatencyTrackerTest, tracksPendingFrames) {
+    PresentLatencyTracker tracker;
+
+    FenceToFenceTimeMap fenceMap;
+    std::array<FencePair, PresentLatencyTracker::kMaxPendingFrames> fences;
+    std::generate(fences.begin(), fences.end(), [&fenceMap] { return makePendingFence(fenceMap); });
+
+    // The present latency is 0 if all fences are pending.
+    const TimePoint kCompositeTime = TimePoint::fromNs(1234);
+    for (const auto& [fence, fenceTime] : fences) {
+        EXPECT_EQ(tracker.trackPendingFrame(kCompositeTime, fenceTime), Duration::zero());
+    }
+
+    // If multiple frames have been presented...
+    constexpr size_t kPresentCount = fences.size() / 2;
+    for (size_t i = 0; i < kPresentCount; i++) {
+        fences[i].second->signalForTest(kCompositeTime.ns() + static_cast<nsecs_t>(i));
+    }
+
+    const auto fence = makePendingFence(fenceMap);
+
+    // ...then the present latency is measured using the latest frame.
+    constexpr Duration kPresentLatency = Duration::fromNs(static_cast<nsecs_t>(kPresentCount) - 1);
+    EXPECT_EQ(tracker.trackPendingFrame(kCompositeTime, fence.second), kPresentLatency);
+}
+
+} // namespace android::scheduler
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index e0200cf..c65c7d3 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -456,7 +456,7 @@
     // Power hint session mode, representing which hint(s) to send: early, late, or both)
     mPowerHintSessionMode =
             {.late = base::GetBoolProperty("debug.sf.send_late_power_session_hint"s, true),
-             .early = base::GetBoolProperty("debug.sf.send_early_power_session_hint"s, true)};
+             .early = base::GetBoolProperty("debug.sf.send_early_power_session_hint"s, false)};
 }
 
 LatchUnsignaledConfig SurfaceFlinger::getLatchUnsignaledConfig() {
@@ -686,23 +686,22 @@
 
         readPersistentProperties();
         mPowerAdvisor->onBootFinished();
-        const bool powerHintEnabled = mFlagManager.use_adpf_cpu_hint();
-        mPowerAdvisor->enablePowerHint(powerHintEnabled);
-        const bool powerHintUsed = mPowerAdvisor->usePowerHintSession();
-        ALOGD("Power hint is %s",
-              powerHintUsed ? "supported" : (powerHintEnabled ? "unsupported" : "disabled"));
-        if (powerHintUsed) {
-            std::optional<pid_t> renderEngineTid = getRenderEngine().getRenderEngineTid();
-            std::vector<int32_t> tidList;
-            tidList.emplace_back(gettid());
-            if (renderEngineTid.has_value()) {
-                tidList.emplace_back(*renderEngineTid);
-            }
-            if (!mPowerAdvisor->startPowerHintSession(tidList)) {
-                ALOGW("Cannot start power hint session");
+
+        // try to enable power hint session again using mendel flag now that boot is finished,
+        // but only if we didn't already try earlier
+        if (!mPowerAdvisor->usePowerHintSession() && mFlagManager.use_adpf_cpu_hint()) {
+            mPowerAdvisor->enablePowerHint(true);
+            // check again to make sure it's actually supported
+            if (mPowerAdvisor->usePowerHintSession()) {
+                startPowerHintSession();
             }
         }
 
+        ALOGD("Power hint session is %s",
+              mPowerAdvisor->usePowerHintSession()
+                      ? "enabled"
+                      : (!mPowerAdvisor->supportsPowerHintSession() ? "unsupported" : "disabled"));
+
         mBootStage = BootStage::FINISHED;
 
         if (property_get_bool("sf.debug.show_refresh_rate_overlay", false)) {
@@ -826,6 +825,11 @@
 
     mPowerAdvisor->init();
 
+    mPowerAdvisor->enablePowerHint(mFlagManager.use_adpf_cpu_hint());
+    if (mPowerAdvisor->usePowerHintSession()) {
+        startPowerHintSession();
+    }
+
     char primeShaderCache[PROPERTY_VALUE_MAX];
     property_get("service.sf.prime_shader_cache", primeShaderCache, "1");
     if (atoi(primeShaderCache)) {
@@ -1448,18 +1452,6 @@
     }));
 }
 
-status_t SurfaceFlinger::clearAnimationFrameStats() {
-    Mutex::Autolock _l(mStateLock);
-    mAnimFrameTracker.clearStats();
-    return NO_ERROR;
-}
-
-status_t SurfaceFlinger::getAnimationFrameStats(FrameStats* outStats) const {
-    Mutex::Autolock _l(mStateLock);
-    mAnimFrameTracker.getStats(outStats);
-    return NO_ERROR;
-}
-
 status_t SurfaceFlinger::overrideHdrTypes(const sp<IBinder>& displayToken,
                                           const std::vector<ui::Hdr>& hdrTypes) {
     Mutex::Autolock lock(mStateLock);
@@ -2316,32 +2308,6 @@
     mLayersPendingRefresh.clear();
 }
 
-nsecs_t SurfaceFlinger::trackPresentLatency(nsecs_t compositeTime,
-                                            std::shared_ptr<FenceTime> presentFenceTime) {
-    // Update queue of past composite+present times and determine the
-    // most recently known composite to present latency.
-    getBE().mCompositePresentTimes.push({compositeTime, std::move(presentFenceTime)});
-    nsecs_t compositeToPresentLatency = -1;
-    while (!getBE().mCompositePresentTimes.empty()) {
-        SurfaceFlingerBE::CompositePresentTime& cpt = getBE().mCompositePresentTimes.front();
-        // Cached values should have been updated before calling this method,
-        // which helps avoid duplicate syscalls.
-        nsecs_t displayTime = cpt.display->getCachedSignalTime();
-        if (displayTime == Fence::SIGNAL_TIME_PENDING) {
-            break;
-        }
-        compositeToPresentLatency = displayTime - cpt.composite;
-        getBE().mCompositePresentTimes.pop();
-    }
-
-    // Don't let mCompositePresentTimes grow unbounded, just in case.
-    while (getBE().mCompositePresentTimes.size() > 16) {
-        getBE().mCompositePresentTimes.pop();
-    }
-
-    return compositeToPresentLatency;
-}
-
 bool SurfaceFlinger::isHdrLayer(Layer* layer) const {
     // Treat all layers as non-HDR if:
     // 1. They do not have a valid HDR dataspace. Currently we treat those as PQ or HLG. and
@@ -2429,9 +2395,11 @@
     // We use the CompositionEngine::getLastFrameRefreshTimestamp() which might
     // be sampled a little later than when we started doing work for this frame,
     // but that should be okay since CompositorTiming has snapping logic.
-    const nsecs_t compositeTime = mCompositionEngine->getLastFrameRefreshTimestamp();
-    const nsecs_t presentLatency =
-            trackPresentLatency(compositeTime, mPreviousPresentFences[0].fenceTime);
+    const TimePoint compositeTime =
+            TimePoint::fromNs(mCompositionEngine->getLastFrameRefreshTimestamp());
+    const Duration presentLatency =
+            mPresentLatencyTracker.trackPendingFrame(compositeTime,
+                                                     mPreviousPresentFences[0].fenceTime);
 
     const auto& schedule = mScheduler->getVsyncSchedule();
     const TimePoint vsyncDeadline = schedule.vsyncDeadlineAfter(TimePoint::fromNs(now));
@@ -2439,7 +2407,7 @@
     const nsecs_t vsyncPhase = mVsyncConfiguration->getCurrentConfigs().late.sfOffset;
 
     const CompositorTiming compositorTiming(vsyncDeadline.ns(), vsyncPeriod.ns(), vsyncPhase,
-                                            presentLatency);
+                                            presentLatency.ns());
 
     for (const auto& layer: mLayersWithQueuedFrames) {
         layer->onPostComposition(display, glCompositionDoneFenceTime,
@@ -2519,22 +2487,7 @@
         }
     }
 
-    if (mAnimCompositionPending) {
-        mAnimCompositionPending = false;
-
-        if (mPreviousPresentFences[0].fenceTime->isValid()) {
-            mAnimFrameTracker.setActualPresentFence(mPreviousPresentFences[0].fenceTime);
-        } else if (isDisplayConnected) {
-            // The HWC doesn't support present fences, so use the refresh
-            // timestamp instead.
-            const nsecs_t presentTime = display->getRefreshTimestamp();
-            mAnimFrameTracker.setActualPresentTime(presentTime);
-        }
-        mAnimFrameTracker.advanceFrame();
-    }
-
     mTimeStats->incrementTotalFrames();
-
     mTimeStats->setPresentFenceGlobal(mPreviousPresentFences[0].fenceTime);
 
     const size_t sfConnections = mScheduler->getEventThreadConnectionCount(mSfConnectionHandle);
@@ -3203,7 +3156,6 @@
 
     doCommitTransactions();
     signalSynchronousTransactions(CountDownLatch::eSyncTransaction);
-    mAnimTransactionPending = false;
 }
 
 void SurfaceFlinger::updateInputFlinger() {
@@ -3491,10 +3443,6 @@
         mLayersPendingRemoval.clear();
     }
 
-    // If this transaction is part of a window animation then the next frame
-    // we composite should be considered an animation as well.
-    mAnimCompositionPending = mAnimTransactionPending;
-
     mDrawingState = mCurrentState;
     // clear the "changed" flags in current state
     mCurrentState.colorMatrixChanged = false;
@@ -4239,10 +4187,6 @@
         if (transactionFlags) {
             setTransactionFlags(transactionFlags);
         }
-
-        if (flags & eAnimation) {
-            mAnimTransactionPending = true;
-        }
     }
 
     return needsTraversal;
@@ -4802,8 +4746,7 @@
                           {}, mPid, getuid(), transactionId);
 
     setPowerModeInternal(display, hal::PowerMode::ON);
-    const nsecs_t vsyncPeriod = display->refreshRateConfigs().getActiveMode()->getVsyncPeriod();
-    mAnimFrameTracker.setDisplayRefreshPeriod(vsyncPeriod);
+
     mActiveDisplayTransformHint = display->getTransformHint();
 }
 
@@ -5015,17 +4958,14 @@
 
 void SurfaceFlinger::dumpStatsLocked(const DumpArgs& args, std::string& result) const {
     StringAppendF(&result, "%" PRId64 "\n", getVsyncPeriodFromHWC());
+    if (args.size() < 2) return;
 
-    if (args.size() > 1) {
-        const auto name = String8(args[1]);
-        mCurrentState.traverseInZOrder([&](Layer* layer) {
-            if (layer->getName() == name.string()) {
-                layer->dumpFrameStats(result);
-            }
-        });
-    } else {
-        mAnimFrameTracker.dumpStats(result);
-    }
+    const auto name = String8(args[1]);
+    mCurrentState.traverseInZOrder([&](Layer* layer) {
+        if (layer->getName() == name.string()) {
+            layer->dumpFrameStats(result);
+        }
+    });
 }
 
 void SurfaceFlinger::clearStatsLocked(const DumpArgs& args, std::string&) {
@@ -5037,8 +4977,6 @@
             layer->clearFrameStats();
         }
     });
-
-    mAnimFrameTracker.clearStats();
 }
 
 void SurfaceFlinger::dumpTimeStats(const DumpArgs& args, bool asProto, std::string& result) const {
@@ -5050,11 +4988,7 @@
 }
 
 void SurfaceFlinger::logFrameStats() {
-    mDrawingState.traverse([&](Layer* layer) {
-        layer->logFrameStats();
-    });
-
-    mAnimFrameTracker.logAndResetStats("<win-anim>");
+    mDrawingState.traverse([&](Layer* layer) { layer->logFrameStats(); });
 }
 
 void SurfaceFlinger::appendSfConfigString(std::string& result) const {
@@ -6549,8 +6483,13 @@
                                              1 /* layerCount */, usage, "screenshot");
 
     const status_t bufferStatus = buffer->initCheck();
-    LOG_ALWAYS_FATAL_IF(bufferStatus != OK, "captureScreenCommon: Buffer failed to allocate: %d",
-                        bufferStatus);
+    if (bufferStatus != OK) {
+        // Animations may end up being really janky, but don't crash here.
+        // Otherwise an irreponsible process may cause an SF crash by allocating
+        // too much.
+        ALOGE("%s: Buffer failed to allocate: %d", __func__, bufferStatus);
+        return ftl::yield<FenceResult>(base::unexpected(bufferStatus)).share();
+    }
     const std::shared_ptr<renderengine::ExternalTexture> texture = std::make_shared<
             renderengine::impl::ExternalTexture>(buffer, getRenderEngine(),
                                                  renderengine::impl::ExternalTexture::Usage::
@@ -7218,6 +7157,18 @@
     return true;
 }
 
+void SurfaceFlinger::startPowerHintSession() const {
+    std::optional<pid_t> renderEngineTid = getRenderEngine().getRenderEngineTid();
+    std::vector<int32_t> tidList;
+    tidList.emplace_back(gettid());
+    if (renderEngineTid.has_value()) {
+        tidList.emplace_back(*renderEngineTid);
+    }
+    if (!mPowerAdvisor->startPowerHintSession(tidList)) {
+        ALOGW("Cannot start power hint session");
+    }
+}
+
 // gui::ISurfaceComposer
 
 binder::Status SurfaceComposerAIDL::bootFinished() {
@@ -7547,40 +7498,6 @@
     return binderStatusFromStatusT(status);
 }
 
-binder::Status SurfaceComposerAIDL::clearAnimationFrameStats() {
-    status_t status = checkAccessPermission();
-    if (status == OK) {
-        status = mFlinger->clearAnimationFrameStats();
-    }
-    return binderStatusFromStatusT(status);
-}
-
-binder::Status SurfaceComposerAIDL::getAnimationFrameStats(gui::FrameStats* outStats) {
-    status_t status = checkAccessPermission();
-    if (status != OK) {
-        return binderStatusFromStatusT(status);
-    }
-
-    FrameStats stats;
-    status = mFlinger->getAnimationFrameStats(&stats);
-    if (status == NO_ERROR) {
-        outStats->refreshPeriodNano = stats.refreshPeriodNano;
-        outStats->desiredPresentTimesNano.reserve(stats.desiredPresentTimesNano.size());
-        for (const auto& t : stats.desiredPresentTimesNano) {
-            outStats->desiredPresentTimesNano.push_back(t);
-        }
-        outStats->actualPresentTimesNano.reserve(stats.actualPresentTimesNano.size());
-        for (const auto& t : stats.actualPresentTimesNano) {
-            outStats->actualPresentTimesNano.push_back(t);
-        }
-        outStats->frameReadyTimesNano.reserve(stats.frameReadyTimesNano.size());
-        for (const auto& t : stats.frameReadyTimesNano) {
-            outStats->frameReadyTimesNano.push_back(t);
-        }
-    }
-    return binderStatusFromStatusT(status);
-}
-
 binder::Status SurfaceComposerAIDL::overrideHdrTypes(const sp<IBinder>& display,
                                                      const std::vector<int32_t>& hdrTypes) {
     // overrideHdrTypes is used by CTS tests, which acquire the necessary
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 7d23c3c..a247bae 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -55,6 +55,7 @@
 #include <compositionengine/FenceResult.h>
 #include <compositionengine/OutputColorSetting.h>
 #include <scheduler/Fps.h>
+#include <scheduler/PresentLatencyTracker.h>
 
 #include "ClientCache.h"
 #include "DisplayDevice.h"
@@ -169,13 +170,6 @@
 using DisplayColorSetting = compositionengine::OutputColorSetting;
 
 struct SurfaceFlingerBE {
-    // Only accessed from the main thread.
-    struct CompositePresentTime {
-        nsecs_t composite = -1;
-        std::shared_ptr<FenceTime> display = FenceTime::NO_FENCE;
-    };
-    std::queue<CompositePresentTime> mCompositePresentTimes;
-
     static const size_t NUM_BUCKETS = 8; // < 1-7, 7+
     nsecs_t mFrameBuckets[NUM_BUCKETS] = {};
     nsecs_t mTotalTime = 0;
@@ -567,8 +561,6 @@
     void setAutoLowLatencyMode(const sp<IBinder>& displayToken, bool on);
     void setGameContentType(const sp<IBinder>& displayToken, bool on);
     void setPowerMode(const sp<IBinder>& displayToken, int mode);
-    status_t clearAnimationFrameStats();
-    status_t getAnimationFrameStats(FrameStats* outStats) const;
     status_t overrideHdrTypes(const sp<IBinder>& displayToken,
                               const std::vector<ui::Hdr>& hdrTypes);
     status_t onPullAtom(const int32_t atomId, std::string* pulledData, bool* success);
@@ -953,11 +945,7 @@
     /*
      * Compositing
      */
-    void postComposition();
-
-    // Returns the composite-to-present latency of the latest presented frame.
-    nsecs_t trackPresentLatency(nsecs_t compositeTime, std::shared_ptr<FenceTime> presentFenceTime);
-
+    void postComposition() REQUIRES(kMainThreadContext);
     void postFrame() REQUIRES(kMainThreadContext);
 
     /*
@@ -1134,7 +1122,6 @@
     State mCurrentState{LayerVector::StateSet::Current};
     std::atomic<int32_t> mTransactionFlags = 0;
     std::vector<std::shared_ptr<CountDownLatch>> mTransactionCommittedSignals;
-    bool mAnimTransactionPending = false;
     std::atomic<uint32_t> mUniqueTransactionId = 1;
     SortedVector<sp<Layer>> mLayersPendingRemoval;
 
@@ -1182,8 +1169,6 @@
     bool mSomeDataspaceChanged = false;
     bool mForceTransactionDisplayChange = false;
 
-    bool mAnimCompositionPending = false;
-
     // Tracks layers that have pending frames which are candidates for being
     // latched.
     std::unordered_set<sp<Layer>, SpHash<Layer>> mLayersWithQueuedFrames;
@@ -1252,9 +1237,6 @@
 
     TransactionCallbackInvoker mTransactionCallbackInvoker;
 
-    // Thread-safe.
-    FrameTracker mAnimFrameTracker;
-
     // We maintain a pool of pre-generated texture names to hand out to avoid
     // layer creation needing to run on the main thread (which it would
     // otherwise need to do to access RenderEngine).
@@ -1325,6 +1307,7 @@
     sp<VsyncModulator> mVsyncModulator;
 
     std::unique_ptr<scheduler::RefreshRateStats> mRefreshRateStats;
+    scheduler::PresentLatencyTracker mPresentLatencyTracker GUARDED_BY(kMainThreadContext);
 
     struct FenceWithFenceTime {
         sp<Fence> fence = Fence::NO_FENCE;
@@ -1416,6 +1399,8 @@
         bool early = false;
     } mPowerHintSessionMode;
 
+    void startPowerHintSession() const;
+
     nsecs_t mAnimationTransactionTimeout = s2ns(5);
 
     friend class SurfaceComposerAIDL;
@@ -1459,8 +1444,15 @@
     binder::Status captureDisplayById(int64_t, const sp<IScreenCaptureListener>&) override;
     binder::Status captureLayers(const LayerCaptureArgs&,
                                  const sp<IScreenCaptureListener>&) override;
-    binder::Status clearAnimationFrameStats() override;
-    binder::Status getAnimationFrameStats(gui::FrameStats* outStats) override;
+
+    // TODO(b/239076119): Remove deprecated AIDL.
+    [[deprecated]] binder::Status clearAnimationFrameStats() override {
+        return binder::Status::ok();
+    }
+    [[deprecated]] binder::Status getAnimationFrameStats(gui::FrameStats*) override {
+        return binder::Status::ok();
+    }
+
     binder::Status overrideHdrTypes(const sp<IBinder>& display,
                                     const std::vector<int32_t>& hdrTypes) override;
     binder::Status onPullAtom(int32_t atomId, gui::PullAtomData* outPullData) override;
diff --git a/services/surfaceflinger/fuzzer/surfaceflinger_fuzzers_utils.h b/services/surfaceflinger/fuzzer/surfaceflinger_fuzzers_utils.h
index 3338da0..b41d7b9 100644
--- a/services/surfaceflinger/fuzzer/surfaceflinger_fuzzers_utils.h
+++ b/services/surfaceflinger/fuzzer/surfaceflinger_fuzzers_utils.h
@@ -570,7 +570,6 @@
         mFlinger->setAutoLowLatencyMode(display, mFdp.ConsumeBool());
         mFlinger->setGameContentType(display, mFdp.ConsumeBool());
         mFlinger->setPowerMode(display, mFdp.ConsumeIntegral<int>());
-        mFlinger->clearAnimationFrameStats();
 
         overrideHdrTypes(display, &mFdp);
 
@@ -615,11 +614,9 @@
 
         mFlinger->getMaxAcquiredBufferCountForCurrentRefreshRate(mFdp.ConsumeIntegral<uid_t>());
 
-        mFlinger->postComposition();
-
-        mFlinger->trackPresentLatency(mFdp.ConsumeIntegral<nsecs_t>(), FenceTime::NO_FENCE);
-
+        FTL_FAKE_GUARD(kMainThreadContext, mFlinger->postComposition());
         FTL_FAKE_GUARD(kMainThreadContext, mFlinger->postFrame());
+
         mFlinger->calculateExpectedPresentTime({});
 
         mFlinger->enableHalVirtualDisplays(mFdp.ConsumeBool());
diff --git a/services/surfaceflinger/fuzzer/surfaceflinger_scheduler_fuzzer.cpp b/services/surfaceflinger/fuzzer/surfaceflinger_scheduler_fuzzer.cpp
index 1a91a69..95219b5 100644
--- a/services/surfaceflinger/fuzzer/surfaceflinger_scheduler_fuzzer.cpp
+++ b/services/surfaceflinger/fuzzer/surfaceflinger_scheduler_fuzzer.cpp
@@ -19,6 +19,8 @@
 #include <fuzzer/FuzzedDataProvider.h>
 #include <processgroup/sched_policy.h>
 
+#include <scheduler/PresentLatencyTracker.h>
+
 #include "Scheduler/DispSyncSource.h"
 #include "Scheduler/OneShotTimer.h"
 #include "Scheduler/VSyncDispatchTimerQueue.h"
@@ -58,6 +60,7 @@
 private:
     void fuzzRefreshRateSelection();
     void fuzzRefreshRateConfigs();
+    void fuzzPresentLatencyTracker();
     void fuzzVSyncModulator();
     void fuzzVSyncPredictor();
     void fuzzVSyncReactor();
@@ -382,9 +385,16 @@
     refreshRateStats.setPowerMode(mFdp.PickValueInArray(kPowerModes));
 }
 
+void SchedulerFuzzer::fuzzPresentLatencyTracker() {
+    scheduler::PresentLatencyTracker tracker;
+    tracker.trackPendingFrame(TimePoint::fromNs(mFdp.ConsumeIntegral<nsecs_t>()),
+                              FenceTime::NO_FENCE);
+}
+
 void SchedulerFuzzer::process() {
     fuzzRefreshRateSelection();
     fuzzRefreshRateConfigs();
+    fuzzPresentLatencyTracker();
     fuzzVSyncModulator();
     fuzzVSyncPredictor();
     fuzzVSyncReactor();
diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_OnInitializeDisplaysTest.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_OnInitializeDisplaysTest.cpp
index 3d576f4..98249bf 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_OnInitializeDisplaysTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_OnInitializeDisplaysTest.cpp
@@ -78,11 +78,6 @@
     auto displayDevice = primaryDisplay.mutableDisplayDevice();
     EXPECT_EQ(PowerMode::ON, displayDevice->getPowerMode());
 
-    // The display refresh period should be set in the orientedDisplaySpaceRect tracker.
-    FrameStats stats;
-    mFlinger.getAnimFrameTracker().getStats(&stats);
-    EXPECT_EQ(DEFAULT_VSYNC_PERIOD, stats.refreshPeriodNano);
-
     // The display transaction needed flag should be set.
     EXPECT_TRUE(hasTransactionFlagSet(eDisplayTransactionNeeded));
 }
diff --git a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
index 60285f9..81e3f4a 100644
--- a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
+++ b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
@@ -481,7 +481,6 @@
      * Read-only access to private data to assert post-conditions.
      */
 
-    const auto& getAnimFrameTracker() const { return mFlinger->mAnimFrameTracker; }
     const auto& getHasPoweredOff() const { return mFlinger->mHasPoweredOff; }
     const auto& getVisibleRegionsDirty() const { return mFlinger->mVisibleRegionsDirty; }
     auto& getHwComposer() const {
diff --git a/vulkan/libvulkan/swapchain.cpp b/vulkan/libvulkan/swapchain.cpp
index 8e46442..0a33760 100644
--- a/vulkan/libvulkan/swapchain.cpp
+++ b/vulkan/libvulkan/swapchain.cpp
@@ -763,11 +763,7 @@
     // We must support R8G8B8A8
     std::vector<VkSurfaceFormatKHR> all_formats = {
         {VK_FORMAT_R8G8B8A8_UNORM, VK_COLOR_SPACE_SRGB_NONLINEAR_KHR},
-        {VK_FORMAT_R8G8B8A8_SRGB, VK_COLOR_SPACE_SRGB_NONLINEAR_KHR},
-        // Also allow to use PASS_THROUGH + HAL_DATASPACE_ARBITRARY
-        {VK_FORMAT_R8G8B8A8_UNORM, VK_COLOR_SPACE_PASS_THROUGH_EXT},
-        {VK_FORMAT_R8G8B8A8_SRGB, VK_COLOR_SPACE_PASS_THROUGH_EXT},
-    };
+        {VK_FORMAT_R8G8B8A8_SRGB, VK_COLOR_SPACE_SRGB_NONLINEAR_KHR}};
 
     if (colorspace_ext) {
         all_formats.emplace_back(VkSurfaceFormatKHR{
@@ -1238,11 +1234,15 @@
               decodePixelFormat(native_pixel_format).c_str(), strerror(-err), err);
         return VK_ERROR_SURFACE_LOST_KHR;
     }
-    err = native_window_set_buffers_data_space(window, native_dataspace);
-    if (err != android::OK) {
-        ALOGE("native_window_set_buffers_data_space(%d) failed: %s (%d)",
-              native_dataspace, strerror(-err), err);
-        return VK_ERROR_SURFACE_LOST_KHR;
+
+    /* Respect consumer default dataspace upon HAL_DATASPACE_ARBITRARY. */
+    if (native_dataspace != HAL_DATASPACE_ARBITRARY) {
+        err = native_window_set_buffers_data_space(window, native_dataspace);
+        if (err != android::OK) {
+            ALOGE("native_window_set_buffers_data_space(%d) failed: %s (%d)",
+                  native_dataspace, strerror(-err), err);
+            return VK_ERROR_SURFACE_LOST_KHR;
+        }
     }
 
     err = native_window_set_buffers_dimensions(