Merge changes from topic "frameRateOverrideCTS"
* changes:
SurfaceFlinger: override frame rate for applications that use setFrameRate
SurfaceFlinger: fix frame rate override on BLAST
diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index cbb74b3..afa0b4d 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -2864,31 +2864,23 @@
// duration is logged into MYLOG instead.
PrintHeader();
- // TODO(b/158737089) reduce code repetition in if branches
- if (options_->telephony_only) {
- MaybeTakeEarlyScreenshot();
- onUiIntensiveBugreportDumpsFinished(calling_uid);
- MaybeCheckUserConsent(calling_uid, calling_package);
- DumpstateTelephonyOnly(calling_package);
- } else if (options_->wifi_only) {
- MaybeTakeEarlyScreenshot();
- onUiIntensiveBugreportDumpsFinished(calling_uid);
- MaybeCheckUserConsent(calling_uid, calling_package);
- DumpstateWifiOnly();
- } else if (options_->limited_only) {
- MaybeTakeEarlyScreenshot();
- onUiIntensiveBugreportDumpsFinished(calling_uid);
- MaybeCheckUserConsent(calling_uid, calling_package);
- DumpstateLimitedOnly();
- } else {
+ bool is_dumpstate_restricted = options_->telephony_only
+ || options_->wifi_only
+ || options_->limited_only;
+ if (!is_dumpstate_restricted) {
// Invoke critical dumpsys first to preserve system state, before doing anything else.
RunDumpsysCritical();
-
- // Take screenshot and get consent only after critical dumpsys has finished.
- MaybeTakeEarlyScreenshot();
- onUiIntensiveBugreportDumpsFinished(calling_uid);
- MaybeCheckUserConsent(calling_uid, calling_package);
-
+ }
+ MaybeTakeEarlyScreenshot();
+ onUiIntensiveBugreportDumpsFinished(calling_uid);
+ MaybeCheckUserConsent(calling_uid, calling_package);
+ if (options_->telephony_only) {
+ DumpstateTelephonyOnly(calling_package);
+ } else if (options_->wifi_only) {
+ DumpstateWifiOnly();
+ } else if (options_->limited_only) {
+ DumpstateLimitedOnly();
+ } else {
// Dump state for the default case. This also drops root.
RunStatus s = DumpstateDefaultAfterCritical();
if (s != RunStatus::OK) {
diff --git a/cmds/installd/InstalldNativeService.cpp b/cmds/installd/InstalldNativeService.cpp
index b821578..818804a 100644
--- a/cmds/installd/InstalldNativeService.cpp
+++ b/cmds/installd/InstalldNativeService.cpp
@@ -398,6 +398,10 @@
PLOG(ERROR) << "Failed to prepare " << profile_dir;
return false;
}
+ if (selinux_android_restorecon(profile_dir.c_str(), 0)) {
+ PLOG(ERROR) << "Failed to restorecon " << profile_dir;
+ return false;
+ }
const std::string ref_profile_path =
create_primary_reference_profile_package_dir_path(packageName);
diff --git a/cmds/installd/dexopt.cpp b/cmds/installd/dexopt.cpp
index 594880a..65fc46e 100644
--- a/cmds/installd/dexopt.cpp
+++ b/cmds/installd/dexopt.cpp
@@ -1818,10 +1818,13 @@
pid_t pid = fork();
if (pid == 0) {
+ // Need to set schedpolicy before dropping privileges
+ // for cgroup migration. See details at b/175178520.
+ SetDex2OatScheduling(boot_complete);
+
/* child -- drop privileges before continuing */
drop_capabilities(uid);
- SetDex2OatScheduling(boot_complete);
if (flock(out_oat.fd(), LOCK_EX | LOCK_NB) != 0) {
PLOG(ERROR) << "flock(" << out_oat.path() << ") failed";
_exit(DexoptReturnCodes::kFlock);
diff --git a/cmds/lshal/Android.bp b/cmds/lshal/Android.bp
index 1994e56..0cbb80f 100644
--- a/cmds/lshal/Android.bp
+++ b/cmds/lshal/Android.bp
@@ -16,6 +16,7 @@
name: "liblshal",
shared_libs: [
"libbase",
+ "libbinderdebug",
"libcutils",
"libutils",
"libhidlbase",
@@ -47,6 +48,7 @@
name: "lshal_defaults",
shared_libs: [
"libbase",
+ "libbinderdebug",
"libcutils",
"libutils",
"libhidlbase",
diff --git a/cmds/lshal/ListCommand.cpp b/cmds/lshal/ListCommand.cpp
index 92958d9..22268ac 100644
--- a/cmds/lshal/ListCommand.cpp
+++ b/cmds/lshal/ListCommand.cpp
@@ -29,7 +29,6 @@
#include <android-base/file.h>
#include <android-base/logging.h>
-#include <android-base/parseint.h>
#include <android/hidl/manager/1.0/IServiceManager.h>
#include <hidl-hash/Hash.h>
#include <hidl-util/FQName.h>
@@ -203,97 +202,14 @@
lshal::getVintfInfo(getFrameworkMatrix(), fqInstance, ta, FRAMEWORK_MATRIX);
}
-static bool scanBinderContext(pid_t pid,
- const std::string &contextName,
- std::function<void(const std::string&)> eachLine) {
- std::ifstream ifs("/dev/binderfs/binder_logs/proc/" + std::to_string(pid));
- if (!ifs.is_open()) {
- ifs.open("/d/binder/proc/" + std::to_string(pid));
- if (!ifs.is_open()) {
- return false;
- }
- }
-
- static const std::regex kContextLine("^context (\\w+)$");
-
- bool isDesiredContext = false;
- std::string line;
- std::smatch match;
- while(getline(ifs, line)) {
- if (std::regex_search(line, match, kContextLine)) {
- isDesiredContext = match.str(1) == contextName;
- continue;
- }
-
- if (!isDesiredContext) {
- continue;
- }
-
- eachLine(line);
- }
- return true;
-}
-
bool ListCommand::getPidInfo(
- pid_t serverPid, PidInfo *pidInfo) const {
- static const std::regex kReferencePrefix("^\\s*node \\d+:\\s+u([0-9a-f]+)\\s+c([0-9a-f]+)\\s+");
- static const std::regex kThreadPrefix("^\\s*thread \\d+:\\s+l\\s+(\\d)(\\d)");
-
- std::smatch match;
- return scanBinderContext(serverPid, "hwbinder", [&](const std::string& line) {
- if (std::regex_search(line, match, kReferencePrefix)) {
- const std::string &ptrString = "0x" + match.str(2); // use number after c
- uint64_t ptr;
- if (!::android::base::ParseUint(ptrString.c_str(), &ptr)) {
- // Should not reach here, but just be tolerant.
- err() << "Could not parse number " << ptrString << std::endl;
- return;
- }
- const std::string proc = " proc ";
- auto pos = line.rfind(proc);
- if (pos != std::string::npos) {
- for (const std::string &pidStr : split(line.substr(pos + proc.size()), ' ')) {
- int32_t pid;
- if (!::android::base::ParseInt(pidStr, &pid)) {
- err() << "Could not parse number " << pidStr << std::endl;
- return;
- }
- pidInfo->refPids[ptr].push_back(pid);
- }
- }
-
- return;
- }
-
- if (std::regex_search(line, match, kThreadPrefix)) {
- // "1" is waiting in binder driver
- // "2" is poll. It's impossible to tell if these are in use.
- // and HIDL default code doesn't use it.
- bool isInUse = match.str(1) != "1";
- // "0" is a thread that has called into binder
- // "1" is looper thread
- // "2" is main looper thread
- bool isHwbinderThread = match.str(2) != "0";
-
- if (!isHwbinderThread) {
- return;
- }
-
- if (isInUse) {
- pidInfo->threadUsage++;
- }
-
- pidInfo->threadCount++;
- return;
- }
-
- // not reference or thread line
- return;
- });
+ pid_t serverPid, BinderPidInfo *pidInfo) const {
+ const auto& status = getBinderPidInfo(BinderDebugContext::HWBINDER, serverPid, pidInfo);
+ return status == OK;
}
-const PidInfo* ListCommand::getPidInfoCached(pid_t serverPid) {
- auto pair = mCachedPidInfos.insert({serverPid, PidInfo{}});
+const BinderPidInfo* ListCommand::getPidInfoCached(pid_t serverPid) {
+ auto pair = mCachedPidInfos.insert({serverPid, BinderPidInfo{}});
if (pair.second /* did insertion take place? */) {
if (!getPidInfo(serverPid, &pair.first->second)) {
return nullptr;
@@ -727,7 +643,7 @@
entry->arch = fromBaseArchitecture(debugInfo.arch);
if (debugInfo.pid != NO_PID) {
- const PidInfo* pidInfo = getPidInfoCached(debugInfo.pid);
+ const BinderPidInfo* pidInfo = getPidInfoCached(debugInfo.pid);
if (pidInfo == nullptr) {
handleError(IO_ERROR,
"no information for PID " + std::to_string(debugInfo.pid) +
diff --git a/cmds/lshal/ListCommand.h b/cmds/lshal/ListCommand.h
index 412aadd..561f9cb 100644
--- a/cmds/lshal/ListCommand.h
+++ b/cmds/lshal/ListCommand.h
@@ -25,6 +25,7 @@
#include <android-base/macros.h>
#include <android/hidl/manager/1.0/IServiceManager.h>
+#include <binderdebug/BinderDebug.h>
#include <hidl-util/FqInstance.h>
#include <vintf/HalManifest.h>
#include <vintf/VintfObject.h>
@@ -40,12 +41,6 @@
class Lshal;
-struct PidInfo {
- std::map<uint64_t, Pids> refPids; // pids that are referenced
- uint32_t threadUsage; // number of threads in use
- uint32_t threadCount; // number of threads total
-};
-
enum class HalType {
BINDERIZED_SERVICES = 0,
PASSTHROUGH_CLIENTS,
@@ -110,9 +105,9 @@
// Get relevant information for a PID by parsing files under
// /dev/binderfs/binder_logs or /d/binder.
// It is a virtual member function so that it can be mocked.
- virtual bool getPidInfo(pid_t serverPid, PidInfo *info) const;
+ virtual bool getPidInfo(pid_t serverPid, BinderPidInfo *info) const;
// Retrieve from mCachedPidInfos and call getPidInfo if necessary.
- const PidInfo* getPidInfoCached(pid_t serverPid);
+ const BinderPidInfo* getPidInfoCached(pid_t serverPid);
void dumpTable(const NullableOStream<std::ostream>& out) const;
void dumpVintf(const NullableOStream<std::ostream>& out) const;
@@ -191,7 +186,7 @@
std::map<pid_t, std::string> mCmdlines;
// Cache for getPidInfo.
- std::map<pid_t, PidInfo> mCachedPidInfos;
+ std::map<pid_t, BinderPidInfo> mCachedPidInfos;
// Cache for getPartition.
std::map<pid_t, Partition> mPartitions;
diff --git a/cmds/lshal/TableEntry.h b/cmds/lshal/TableEntry.h
index 3c36813..476aa04 100644
--- a/cmds/lshal/TableEntry.h
+++ b/cmds/lshal/TableEntry.h
@@ -32,7 +32,7 @@
namespace lshal {
using android::procpartition::Partition;
-using Pids = std::vector<int32_t>;
+using Pids = std::vector<pid_t>;
enum class TableColumnType : unsigned int {
INTERFACE_NAME = 0,
diff --git a/cmds/lshal/test.cpp b/cmds/lshal/test.cpp
index ba6cdf1..b6ff28d 100644
--- a/cmds/lshal/test.cpp
+++ b/cmds/lshal/test.cpp
@@ -233,12 +233,12 @@
return ListCommand::dumpVintf(out);
}
void internalPostprocess() { ListCommand::postprocess(); }
- const PidInfo* getPidInfoCached(pid_t serverPid) {
+ const BinderPidInfo* getPidInfoCached(pid_t serverPid) {
return ListCommand::getPidInfoCached(serverPid);
}
MOCK_METHOD0(postprocess, void());
- MOCK_CONST_METHOD2(getPidInfo, bool(pid_t, PidInfo*));
+ MOCK_CONST_METHOD2(getPidInfo, bool(pid_t, BinderPidInfo*));
MOCK_CONST_METHOD1(parseCmdline, std::string(pid_t));
MOCK_METHOD1(getPartition, Partition(pid_t));
@@ -299,8 +299,8 @@
static std::vector<pid_t> getClients(pid_t serverId) {
return {serverId + 1, serverId + 3};
}
-static PidInfo getPidInfoFromId(pid_t serverId) {
- PidInfo info;
+static BinderPidInfo getPidInfoFromId(pid_t serverId) {
+ BinderPidInfo info;
info.refPids[getPtr(serverId)] = getClients(serverId);
info.threadUsage = 10 + serverId;
info.threadCount = 20 + serverId;
@@ -363,7 +363,7 @@
void initMockList() {
mockList = std::make_unique<NiceMock<MockListCommand>>(lshal.get());
ON_CALL(*mockList, getPidInfo(_,_)).WillByDefault(Invoke(
- [](pid_t serverPid, PidInfo* info) {
+ [](pid_t serverPid, BinderPidInfo* info) {
*info = getPidInfoFromId(serverPid);
return true;
}));
diff --git a/cmds/servicemanager/ServiceManager.cpp b/cmds/servicemanager/ServiceManager.cpp
index 7aac7da..b21010d 100644
--- a/cmds/servicemanager/ServiceManager.cpp
+++ b/cmds/servicemanager/ServiceManager.cpp
@@ -494,7 +494,7 @@
sp<BpBinder> bpBinder = binder->remoteBinder();
if (bpBinder == nullptr) return -1;
- return ProcessState::self()->getStrongRefCountForNodeByHandle(bpBinder->handle());
+ return ProcessState::self()->getStrongRefCountForNode(bpBinder);
}
void ServiceManager::handleClientCallbacks() {
diff --git a/data/etc/pc_core_hardware.xml b/data/etc/pc_core_hardware.xml
new file mode 100644
index 0000000..c62da0a
--- /dev/null
+++ b/data/etc/pc_core_hardware.xml
@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2010 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.
+-->
+
+<!-- These are the hardware components that all handheld devices
+ must include. Devices with optional hardware must also include extra
+ hardware files, per the comments below.
+
+ Handheld devices include phones, mobile Internet devices (MIDs),
+ Personal Media Players (PMPs), small tablets (7" or less), and similar
+ devices.
+-->
+<permissions>
+ <!-- This is Android and fully CTS compatible. Basically this is for CTS tests to use. -->
+ <feature name="android.software.cts" />
+
+ <feature name="android.hardware.audio.output" />
+ <feature name="android.hardware.bluetooth" />
+ <feature name="android.hardware.microphone" />
+ <feature name="android.hardware.screen.portrait" />
+ <feature name="android.hardware.screen.landscape" />
+ <feature name="android.hardware.location" />
+ <feature name="android.hardware.location.network" />
+
+ <!-- basic system services -->
+ <feature name="android.software.app_widgets" />
+ <feature name="android.software.voice_recognizers" />
+ <feature name="android.software.backup" />
+ <feature name="android.software.home_screen" />
+ <feature name="android.software.input_methods" />
+ <feature name="android.software.picture_in_picture" />
+ <feature name="android.software.activities_on_secondary_displays" />
+ <feature name="android.software.print" />
+ <feature name="android.software.companion_device_setup" />
+ <feature name="android.software.autofill" />
+ <feature name="android.software.cant_save_state" />
+ <feature name="android.software.secure_lock_screen" />
+
+ <!-- Feature to specify if the device supports adding device admins. -->
+ <feature name="android.software.device_admin" />
+
+ <!-- Feature to specify if the device support managed users. -->
+ <feature name="android.software.managed_users" />
+
+ <!-- Feature to specify if the device supports controls. -->
+ <feature name="android.software.controls" />
+
+ <!-- Feature to specify if the device supports freeform. -->
+ <feature name="android.software.freeform_window_management" />
+ <feature name="android.hardware.type.pc" />
+</permissions>
\ No newline at end of file
diff --git a/include/android/input.h b/include/android/input.h
index 38af89a..b5d399e 100644
--- a/include/android/input.h
+++ b/include/android/input.h
@@ -856,6 +856,8 @@
AINPUT_SOURCE_TOUCH_NAVIGATION = 0x00200000 | AINPUT_SOURCE_CLASS_NONE,
/** joystick */
AINPUT_SOURCE_JOYSTICK = 0x01000000 | AINPUT_SOURCE_CLASS_JOYSTICK,
+ /** sensor */
+ AINPUT_SOURCE_SENSOR = 0x02000000 | AINPUT_SOURCE_CLASS_JOYSTICK,
/** rotary encoder */
AINPUT_SOURCE_ROTARY_ENCODER = 0x00400000 | AINPUT_SOURCE_CLASS_NONE,
diff --git a/include/ftl/.clang-format b/include/ftl/.clang-format
new file mode 120000
index 0000000..86b1593
--- /dev/null
+++ b/include/ftl/.clang-format
@@ -0,0 +1 @@
+../../../../build/soong/scripts/system-clang-format-2
\ No newline at end of file
diff --git a/include/ftl/ArrayTraits.h b/include/ftl/ArrayTraits.h
deleted file mode 100644
index ff685c5..0000000
--- a/include/ftl/ArrayTraits.h
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * Copyright 2020 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 <algorithm>
-#include <iterator>
-#include <new>
-#include <type_traits>
-
-#define FTL_ARRAY_TRAIT(T, U) using U = typename ArrayTraits<T>::U
-
-namespace android::ftl {
-
-template <typename T>
-struct ArrayTraits {
- using value_type = T;
- using size_type = size_t;
- using difference_type = ptrdiff_t;
-
- using pointer = value_type*;
- using reference = value_type&;
- using iterator = pointer;
- using reverse_iterator = std::reverse_iterator<iterator>;
-
- using const_pointer = const value_type*;
- using const_reference = const value_type&;
- using const_iterator = const_pointer;
- using const_reverse_iterator = std::reverse_iterator<const_iterator>;
-
- template <typename... Args>
- static pointer construct_at(const_iterator it, Args&&... args) {
- void* const ptr = const_cast<void*>(static_cast<const void*>(it));
- if constexpr (std::is_constructible_v<value_type, Args...>) {
- // TODO: Replace with std::construct_at in C++20.
- return new (ptr) value_type(std::forward<Args>(args)...);
- } else {
- // Fall back to list initialization.
- return new (ptr) value_type{std::forward<Args>(args)...};
- }
- }
-};
-
-// CRTP mixin to define iterator functions in terms of non-const Self::begin and Self::end.
-template <typename Self, typename T>
-class ArrayIterators {
- FTL_ARRAY_TRAIT(T, size_type);
-
- FTL_ARRAY_TRAIT(T, reference);
- FTL_ARRAY_TRAIT(T, iterator);
- FTL_ARRAY_TRAIT(T, reverse_iterator);
-
- FTL_ARRAY_TRAIT(T, const_reference);
- FTL_ARRAY_TRAIT(T, const_iterator);
- FTL_ARRAY_TRAIT(T, const_reverse_iterator);
-
- Self& self() const { return *const_cast<Self*>(static_cast<const Self*>(this)); }
-
-public:
- const_iterator begin() const { return cbegin(); }
- const_iterator cbegin() const { return self().begin(); }
-
- const_iterator end() const { return cend(); }
- const_iterator cend() const { return self().end(); }
-
- reverse_iterator rbegin() { return std::make_reverse_iterator(self().end()); }
- const_reverse_iterator rbegin() const { return crbegin(); }
- const_reverse_iterator crbegin() const { return self().rbegin(); }
-
- reverse_iterator rend() { return std::make_reverse_iterator(self().begin()); }
- const_reverse_iterator rend() const { return crend(); }
- const_reverse_iterator crend() const { return self().rend(); }
-
- iterator last() { return self().end() - 1; }
- const_iterator last() const { return self().last(); }
-
- reference front() { return *self().begin(); }
- const_reference front() const { return self().front(); }
-
- reference back() { return *last(); }
- const_reference back() const { return self().back(); }
-
- reference operator[](size_type i) { return *(self().begin() + i); }
- const_reference operator[](size_type i) const { return self()[i]; }
-};
-
-// Mixin to define comparison operators for an array-like template.
-// TODO: Replace with operator<=> in C++20.
-template <template <typename, size_t> class Array>
-struct ArrayComparators {
- template <typename T, size_t N, size_t M>
- friend bool operator==(const Array<T, N>& lhs, const Array<T, M>& rhs) {
- return lhs.size() == rhs.size() && std::equal(lhs.begin(), lhs.end(), rhs.begin());
- }
-
- template <typename T, size_t N, size_t M>
- friend bool operator<(const Array<T, N>& lhs, const Array<T, M>& rhs) {
- return std::lexicographical_compare(lhs.begin(), lhs.end(), rhs.begin(), rhs.end());
- }
-
- template <typename T, size_t N, size_t M>
- friend bool operator>(const Array<T, N>& lhs, const Array<T, M>& rhs) {
- return rhs < lhs;
- }
-
- template <typename T, size_t N, size_t M>
- friend bool operator!=(const Array<T, N>& lhs, const Array<T, M>& rhs) {
- return !(lhs == rhs);
- }
-
- template <typename T, size_t N, size_t M>
- friend bool operator>=(const Array<T, N>& lhs, const Array<T, M>& rhs) {
- return !(lhs < rhs);
- }
-
- template <typename T, size_t N, size_t M>
- friend bool operator<=(const Array<T, N>& lhs, const Array<T, M>& rhs) {
- return !(lhs > rhs);
- }
-};
-
-} // namespace android::ftl
diff --git a/include/ftl/InitializerList.h b/include/ftl/InitializerList.h
deleted file mode 100644
index bb99280..0000000
--- a/include/ftl/InitializerList.h
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * Copyright 2020 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 <tuple>
-#include <utility>
-
-namespace android::ftl {
-
-// Compile-time counterpart of std::initializer_list<T> that stores per-element constructor
-// arguments with heterogeneous types. For a container with elements of type T, given Sizes
-// (S0, S1, ..., SN), N elements are initialized: the first element is initialized with the
-// first S0 arguments, the second element is initialized with the next S1 arguments, and so
-// on. The list of Types (T0, ..., TM) is flattened, so M is equal to the sum of the Sizes.
-//
-// The InitializerList is created using ftl::init::list, and is consumed by constructors of
-// containers. The function call operator is overloaded such that arguments are accumulated
-// in a tuple with each successive call. For instance, the following calls initialize three
-// strings using different constructors, i.e. string literal, default, and count/character:
-//
-// ... = ftl::init::list<std::string>("abc")()(3u, '?');
-//
-// The following syntax is a shorthand for key-value pairs, where the first argument is the
-// key, and the rest construct the value. The types of the key and value are deduced if the
-// first pair contains exactly two arguments:
-//
-// ... = ftl::init::map<int, std::string>(-1, "abc")(-2)(-3, 3u, '?');
-//
-// ... = ftl::init::map(0, 'a')(1, 'b')(2, 'c');
-//
-// WARNING: The InitializerList returned by an ftl::init::list expression must be consumed
-// immediately, since temporary arguments are destroyed after the full expression. Storing
-// an InitializerList results in dangling references.
-//
-template <typename T, typename Sizes = std::index_sequence<>, typename... Types>
-struct InitializerList;
-
-template <typename T, size_t... Sizes, typename... Types>
-struct InitializerList<T, std::index_sequence<Sizes...>, Types...> {
- // Creates a superset InitializerList by appending the number of arguments to Sizes, and
- // expanding Types with forwarding references for each argument.
- template <typename... Args>
- [[nodiscard]] constexpr auto operator()(Args&&... args) && -> InitializerList<
- T, std::index_sequence<Sizes..., sizeof...(Args)>, Types..., Args&&...> {
- return {std::tuple_cat(std::move(tuple),
- std::forward_as_tuple(std::forward<Args>(args)...))};
- }
-
- // The temporary InitializerList returned by operator() is bound to an rvalue reference in
- // container constructors, which extends the lifetime of any temporary arguments that this
- // tuple refers to until the completion of the full expression containing the construction.
- std::tuple<Types...> tuple;
-};
-
-template <typename K, typename V>
-struct KeyValue {};
-
-// Shorthand for key-value pairs that assigns the first argument to the key, and the rest to the
-// value. The specialization is on KeyValue rather than std::pair, so that ftl::init::list works
-// with the latter.
-template <typename K, typename V, size_t... Sizes, typename... Types>
-struct InitializerList<KeyValue<K, V>, std::index_sequence<Sizes...>, Types...> {
- // Accumulate the three arguments to std::pair's piecewise constructor.
- template <typename... Args>
- [[nodiscard]] constexpr auto operator()(K&& k, Args&&... args) && -> InitializerList<
- KeyValue<K, V>, std::index_sequence<Sizes..., 3>, Types..., std::piecewise_construct_t,
- std::tuple<K&&>, std::tuple<Args&&...>> {
- return {std::tuple_cat(std::move(tuple),
- std::forward_as_tuple(std::piecewise_construct,
- std::forward_as_tuple(std::forward<K>(k)),
- std::forward_as_tuple(
- std::forward<Args>(args)...)))};
- }
-
- std::tuple<Types...> tuple;
-};
-
-namespace init {
-
-template <typename T, typename... Args>
-[[nodiscard]] constexpr auto list(Args&&... args) {
- return InitializerList<T>{}(std::forward<Args>(args)...);
-}
-
-template <typename K, typename V, typename... Args>
-[[nodiscard]] constexpr auto map(Args&&... args) {
- return list<KeyValue<K, V>>(std::forward<Args>(args)...);
-}
-
-template <typename K, typename V>
-[[nodiscard]] constexpr auto map(K&& k, V&& v) {
- return list<KeyValue<K, V>>(std::forward<K>(k), std::forward<V>(v));
-}
-
-} // namespace init
-} // namespace android::ftl
diff --git a/include/ftl/SmallMap.h b/include/ftl/SmallMap.h
deleted file mode 100644
index 87ae99c..0000000
--- a/include/ftl/SmallMap.h
+++ /dev/null
@@ -1,205 +0,0 @@
-/*
- * Copyright 2020 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 <ftl/InitializerList.h>
-#include <ftl/SmallVector.h>
-
-#include <functional>
-#include <optional>
-#include <type_traits>
-#include <utility>
-
-namespace android::ftl {
-
-// Associative container with unique, unordered keys. Unlike std::unordered_map, key-value pairs are
-// stored in contiguous storage for cache efficiency. The map is allocated statically until its size
-// exceeds N, at which point mappings are relocated to dynamic memory.
-//
-// SmallMap<K, V, 0> unconditionally allocates on the heap.
-//
-// Example usage:
-//
-// ftl::SmallMap<int, std::string, 3> map;
-// assert(map.empty());
-// assert(!map.dynamic());
-//
-// map = ftl::init::map<int, std::string>(123, "abc")(-1)(42, 3u, '?');
-// assert(map.size() == 3u);
-// assert(!map.dynamic());
-//
-// assert(map.contains(123));
-// assert(map.find(42, [](const std::string& s) { return s.size(); }) == 3u);
-//
-// const auto opt = map.find(-1);
-// assert(opt);
-//
-// std::string& ref = *opt;
-// assert(ref.empty());
-// ref = "xyz";
-//
-// assert(map == SmallMap(ftl::init::map(-1, "xyz")(42, "???")(123, "abc")));
-//
-template <typename K, typename V, size_t N>
-class SmallMap final {
- using Map = SmallVector<std::pair<const K, V>, N>;
-
-public:
- using key_type = K;
- using mapped_type = V;
-
- using value_type = typename Map::value_type;
- using size_type = typename Map::size_type;
- using difference_type = typename Map::difference_type;
-
- using reference = typename Map::reference;
- using iterator = typename Map::iterator;
-
- using const_reference = typename Map::const_reference;
- using const_iterator = typename Map::const_iterator;
-
- // Creates an empty map.
- SmallMap() = default;
-
- // Constructs at most N key-value pairs in place by forwarding per-pair constructor arguments.
- // The template arguments K, V, and N are inferred using the deduction guide defined below.
- // The syntax for listing pairs is as follows:
- //
- // ftl::SmallMap map = ftl::init::map<int, std::string>(123, "abc")(-1)(42, 3u, '?');
- //
- // static_assert(std::is_same_v<decltype(map), ftl::SmallMap<int, std::string, 3>>);
- // assert(map.size() == 3u);
- // assert(map.contains(-1) && map.find(-1)->get().empty());
- // assert(map.contains(42) && map.find(42)->get() == "???");
- // assert(map.contains(123) && map.find(123)->get() == "abc");
- //
- // The types of the key and value are deduced if the first pair contains exactly two arguments:
- //
- // ftl::SmallMap map = ftl::init::map(0, 'a')(1, 'b')(2, 'c');
- // static_assert(std::is_same_v<decltype(map), ftl::SmallMap<int, char, 3>>);
- //
- template <typename U, size_t... Sizes, typename... Types>
- SmallMap(InitializerList<U, std::index_sequence<Sizes...>, Types...>&& init)
- : mMap(std::move(init)) {
- // TODO: Enforce unique keys.
- }
-
- size_type max_size() const { return mMap.max_size(); }
- size_type size() const { return mMap.size(); }
- bool empty() const { return mMap.empty(); }
-
- // Returns whether the map is backed by static or dynamic storage.
- bool dynamic() const { return mMap.dynamic(); }
-
- iterator begin() { return mMap.begin(); }
- const_iterator begin() const { return cbegin(); }
- const_iterator cbegin() const { return mMap.cbegin(); }
-
- iterator end() { return mMap.end(); }
- const_iterator end() const { return cend(); }
- const_iterator cend() const { return mMap.cend(); }
-
- // Returns whether a mapping exists for the given key.
- bool contains(const key_type& key) const {
- return find(key, [](const mapped_type&) {});
- }
-
- // Returns a reference to the value for the given key, or std::nullopt if the key was not found.
- //
- // ftl::SmallMap map = ftl::init::map('a', 'A')('b', 'B')('c', 'C');
- //
- // const auto opt = map.find('c');
- // assert(opt == 'C');
- //
- // char d = 'd';
- // const auto ref = map.find('d').value_or(std::ref(d));
- // ref.get() = 'D';
- // assert(d == 'D');
- //
- auto find(const key_type& key) const
- -> std::optional<std::reference_wrapper<const mapped_type>> {
- return find(key, [](const mapped_type& v) { return std::cref(v); });
- }
-
- auto find(const key_type& key) -> std::optional<std::reference_wrapper<mapped_type>> {
- return find(key, [](mapped_type& v) { return std::ref(v); });
- }
-
- // Returns the result R of a unary operation F on (a constant or mutable reference to) the value
- // for the given key, or std::nullopt if the key was not found. If F has a return type of void,
- // then the Boolean result indicates whether the key was found.
- //
- // ftl::SmallMap map = ftl::init::map('a', 'x')('b', 'y')('c', 'z');
- //
- // assert(map.find('c', [](char c) { return std::toupper(c); }) == 'Z');
- // assert(map.find('c', [](char& c) { c = std::toupper(c); }));
- //
- template <typename F, typename R = std::invoke_result_t<F, const mapped_type&>>
- auto find(const key_type& key, F f) const
- -> std::conditional_t<std::is_void_v<R>, bool, std::optional<R>> {
- for (auto& [k, v] : *this) {
- if (k == key) {
- if constexpr (std::is_void_v<R>) {
- f(v);
- return true;
- } else {
- return f(v);
- }
- }
- }
-
- return {};
- }
-
- template <typename F>
- auto find(const key_type& key, F f) {
- return std::as_const(*this).find(key, [&f](const mapped_type& v) {
- return f(const_cast<mapped_type&>(v));
- });
- }
-
-private:
- Map mMap;
-};
-
-// Deduction guide for in-place constructor.
-template <typename K, typename V, size_t... Sizes, typename... Types>
-SmallMap(InitializerList<KeyValue<K, V>, std::index_sequence<Sizes...>, Types...>&&)
- -> SmallMap<K, V, sizeof...(Sizes)>;
-
-// Returns whether the key-value pairs of two maps are equal.
-template <typename K, typename V, size_t N, typename Q, typename W, size_t M>
-bool operator==(const SmallMap<K, V, N>& lhs, const SmallMap<Q, W, M>& rhs) {
- if (lhs.size() != rhs.size()) return false;
-
- for (const auto& [k, v] : lhs) {
- const auto& lv = v;
- if (!rhs.find(k, [&lv](const auto& rv) { return lv == rv; }).value_or(false)) {
- return false;
- }
- }
-
- return true;
-}
-
-// TODO: Remove in C++20.
-template <typename K, typename V, size_t N, typename Q, typename W, size_t M>
-inline bool operator!=(const SmallMap<K, V, N>& lhs, const SmallMap<Q, W, M>& rhs) {
- return !(lhs == rhs);
-}
-
-} // namespace android::ftl
diff --git a/include/ftl/SmallVector.h b/include/ftl/SmallVector.h
deleted file mode 100644
index 2f05a9b..0000000
--- a/include/ftl/SmallVector.h
+++ /dev/null
@@ -1,391 +0,0 @@
-/*
- * Copyright 2020 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 <ftl/ArrayTraits.h>
-#include <ftl/StaticVector.h>
-
-#include <algorithm>
-#include <iterator>
-#include <type_traits>
-#include <utility>
-#include <variant>
-#include <vector>
-
-namespace android::ftl {
-
-template <typename>
-struct IsSmallVector;
-
-// ftl::StaticVector that promotes to std::vector when full. SmallVector is a drop-in replacement
-// for std::vector with statically allocated storage for N elements, whose goal is to improve run
-// time by avoiding heap allocation and increasing probability of cache hits. The standard API is
-// augmented by an unstable_erase operation that does not preserve order, and a replace operation
-// that destructively emplaces.
-//
-// SmallVector<T, 0> is a specialization that thinly wraps std::vector.
-//
-// Example usage:
-//
-// ftl::SmallVector<char, 3> vector;
-// assert(vector.empty());
-// assert(!vector.dynamic());
-//
-// vector = {'a', 'b', 'c'};
-// assert(vector.size() == 3u);
-// assert(!vector.dynamic());
-//
-// vector.push_back('d');
-// assert(vector.dynamic());
-//
-// vector.unstable_erase(vector.begin());
-// assert(vector == (ftl::SmallVector{'d', 'b', 'c'}));
-//
-// vector.pop_back();
-// assert(vector.back() == 'b');
-// assert(vector.dynamic());
-//
-// const char array[] = "hi";
-// vector = ftl::SmallVector(array);
-// assert(vector == (ftl::SmallVector{'h', 'i', '\0'}));
-// assert(!vector.dynamic());
-//
-// ftl::SmallVector strings = ftl::init::list<std::string>("abc")
-// ("123456", 3u)
-// (3u, '?');
-// assert(strings.size() == 3u);
-// assert(!strings.dynamic());
-//
-// assert(strings[0] == "abc");
-// assert(strings[1] == "123");
-// assert(strings[2] == "???");
-//
-template <typename T, size_t N>
-class SmallVector final : ArrayTraits<T>, ArrayComparators<SmallVector> {
- using Static = StaticVector<T, N>;
- using Dynamic = SmallVector<T, 0>;
-
- // TODO: Replace with std::remove_cvref_t in C++20.
- template <typename U>
- using remove_cvref_t = std::remove_cv_t<std::remove_reference_t<U>>;
-
-public:
- FTL_ARRAY_TRAIT(T, value_type);
- FTL_ARRAY_TRAIT(T, size_type);
- FTL_ARRAY_TRAIT(T, difference_type);
-
- FTL_ARRAY_TRAIT(T, pointer);
- FTL_ARRAY_TRAIT(T, reference);
- FTL_ARRAY_TRAIT(T, iterator);
- FTL_ARRAY_TRAIT(T, reverse_iterator);
-
- FTL_ARRAY_TRAIT(T, const_pointer);
- FTL_ARRAY_TRAIT(T, const_reference);
- FTL_ARRAY_TRAIT(T, const_iterator);
- FTL_ARRAY_TRAIT(T, const_reverse_iterator);
-
- // Creates an empty vector.
- SmallVector() = default;
-
- // Constructs at most N elements. See StaticVector for underlying constructors.
- template <typename Arg, typename... Args,
- typename = std::enable_if_t<!IsSmallVector<remove_cvref_t<Arg>>{}>>
- SmallVector(Arg&& arg, Args&&... args)
- : mVector(std::in_place_type<Static>, std::forward<Arg>(arg),
- std::forward<Args>(args)...) {}
-
- // Copies at most N elements from a smaller convertible vector.
- template <typename U, size_t M, typename = std::enable_if_t<M <= N>>
- SmallVector(const SmallVector<U, M>& other)
- : SmallVector(IteratorRange, other.begin(), other.end()) {}
-
- void swap(SmallVector& other) { mVector.swap(other.mVector); }
-
- // Returns whether the vector is backed by static or dynamic storage.
- bool dynamic() const { return std::holds_alternative<Dynamic>(mVector); }
-
- // Avoid std::visit as it generates a dispatch table.
-#define DISPATCH(T, F, ...) \
- T F() __VA_ARGS__ { \
- return dynamic() ? std::get<Dynamic>(mVector).F() : std::get<Static>(mVector).F(); \
- }
-
- DISPATCH(size_type, max_size, const)
- DISPATCH(size_type, size, const)
- DISPATCH(bool, empty, const)
-
- // noexcept to suppress warning about zero variadic macro arguments.
- DISPATCH(iterator, begin, noexcept)
- DISPATCH(const_iterator, begin, const)
- DISPATCH(const_iterator, cbegin, const)
-
- DISPATCH(iterator, end, noexcept)
- DISPATCH(const_iterator, end, const)
- DISPATCH(const_iterator, cend, const)
-
- DISPATCH(reverse_iterator, rbegin, noexcept)
- DISPATCH(const_reverse_iterator, rbegin, const)
- DISPATCH(const_reverse_iterator, crbegin, const)
-
- DISPATCH(reverse_iterator, rend, noexcept)
- DISPATCH(const_reverse_iterator, rend, const)
- DISPATCH(const_reverse_iterator, crend, const)
-
- DISPATCH(iterator, last, noexcept)
- DISPATCH(const_iterator, last, const)
-
- DISPATCH(reference, front, noexcept)
- DISPATCH(const_reference, front, const)
-
- DISPATCH(reference, back, noexcept)
- DISPATCH(const_reference, back, const)
-
-#undef DISPATCH
-
- reference operator[](size_type i) {
- return dynamic() ? std::get<Dynamic>(mVector)[i] : std::get<Static>(mVector)[i];
- }
-
- const_reference operator[](size_type i) const { return const_cast<SmallVector&>(*this)[i]; }
-
- // Replaces an element, and returns a reference to it. The iterator must be dereferenceable, so
- // replacing at end() is erroneous.
- //
- // The element is emplaced via move constructor, so type T does not need to define copy/move
- // assignment, e.g. its data members may be const.
- //
- // The arguments may directly or indirectly refer to the element being replaced.
- //
- // Iterators to the replaced element point to its replacement, and others remain valid.
- //
- template <typename... Args>
- reference replace(const_iterator it, Args&&... args) {
- if (dynamic()) {
- return std::get<Dynamic>(mVector).replace(it, std::forward<Args>(args)...);
- } else {
- return std::get<Static>(mVector).replace(it, std::forward<Args>(args)...);
- }
- }
-
- // Appends an element, and returns a reference to it.
- //
- // If the vector reaches its static or dynamic capacity, then all iterators are invalidated.
- // Otherwise, only the end() iterator is invalidated.
- //
- template <typename... Args>
- reference emplace_back(Args&&... args) {
- constexpr auto insertStatic = &Static::template emplace_back<Args...>;
- constexpr auto insertDynamic = &Dynamic::template emplace_back<Args...>;
- return *insert<insertStatic, insertDynamic>(std::forward<Args>(args)...);
- }
-
- // Appends an element.
- //
- // If the vector reaches its static or dynamic capacity, then all iterators are invalidated.
- // Otherwise, only the end() iterator is invalidated.
- //
- void push_back(const value_type& v) {
- constexpr auto insertStatic =
- static_cast<bool (Static::*)(const value_type&)>(&Static::push_back);
- constexpr auto insertDynamic =
- static_cast<bool (Dynamic::*)(const value_type&)>(&Dynamic::push_back);
- insert<insertStatic, insertDynamic>(v);
- }
-
- void push_back(value_type&& v) {
- constexpr auto insertStatic =
- static_cast<bool (Static::*)(value_type&&)>(&Static::push_back);
- constexpr auto insertDynamic =
- static_cast<bool (Dynamic::*)(value_type&&)>(&Dynamic::push_back);
- insert<insertStatic, insertDynamic>(std::move(v));
- }
-
- // Removes the last element. The vector must not be empty, or the call is erroneous.
- //
- // The last() and end() iterators are invalidated.
- //
- void pop_back() {
- if (dynamic()) {
- std::get<Dynamic>(mVector).pop_back();
- } else {
- std::get<Static>(mVector).pop_back();
- }
- }
-
- // Erases an element, but does not preserve order. Rather than shifting subsequent elements,
- // this moves the last element to the slot of the erased element.
- //
- // The last() and end() iterators, as well as those to the erased element, are invalidated.
- //
- void unstable_erase(iterator it) {
- if (dynamic()) {
- std::get<Dynamic>(mVector).unstable_erase(it);
- } else {
- std::get<Static>(mVector).unstable_erase(it);
- }
- }
-
-private:
- template <auto insertStatic, auto insertDynamic, typename... Args>
- auto insert(Args&&... args) {
- if (Dynamic* const vector = std::get_if<Dynamic>(&mVector)) {
- return (vector->*insertDynamic)(std::forward<Args>(args)...);
- }
-
- auto& vector = std::get<Static>(mVector);
- if (vector.full()) {
- return (promote(vector).*insertDynamic)(std::forward<Args>(args)...);
- } else {
- return (vector.*insertStatic)(std::forward<Args>(args)...);
- }
- }
-
- Dynamic& promote(Static& staticVector) {
- assert(staticVector.full());
-
- // Allocate double capacity to reduce probability of reallocation.
- Dynamic vector;
- vector.reserve(Static::max_size() * 2);
- std::move(staticVector.begin(), staticVector.end(), std::back_inserter(vector));
-
- return mVector.template emplace<Dynamic>(std::move(vector));
- }
-
- std::variant<Static, Dynamic> mVector;
-};
-
-// Partial specialization without static storage.
-template <typename T>
-class SmallVector<T, 0> final : ArrayTraits<T>,
- ArrayIterators<SmallVector<T, 0>, T>,
- std::vector<T> {
- using ArrayTraits<T>::construct_at;
-
- using Iter = ArrayIterators<SmallVector, T>;
- using Impl = std::vector<T>;
-
- friend Iter;
-
-public:
- FTL_ARRAY_TRAIT(T, value_type);
- FTL_ARRAY_TRAIT(T, size_type);
- FTL_ARRAY_TRAIT(T, difference_type);
-
- FTL_ARRAY_TRAIT(T, pointer);
- FTL_ARRAY_TRAIT(T, reference);
- FTL_ARRAY_TRAIT(T, iterator);
- FTL_ARRAY_TRAIT(T, reverse_iterator);
-
- FTL_ARRAY_TRAIT(T, const_pointer);
- FTL_ARRAY_TRAIT(T, const_reference);
- FTL_ARRAY_TRAIT(T, const_iterator);
- FTL_ARRAY_TRAIT(T, const_reverse_iterator);
-
- using Impl::Impl;
-
- using Impl::empty;
- using Impl::max_size;
- using Impl::size;
-
- using Impl::reserve;
-
- // std::vector iterators are not necessarily raw pointers.
- iterator begin() { return Impl::data(); }
- iterator end() { return Impl::data() + size(); }
-
- using Iter::begin;
- using Iter::end;
-
- using Iter::cbegin;
- using Iter::cend;
-
- using Iter::rbegin;
- using Iter::rend;
-
- using Iter::crbegin;
- using Iter::crend;
-
- using Iter::last;
-
- using Iter::back;
- using Iter::front;
-
- using Iter::operator[];
-
- template <typename... Args>
- reference replace(const_iterator it, Args&&... args) {
- value_type element{std::forward<Args>(args)...};
- std::destroy_at(it);
- // This is only safe because exceptions are disabled.
- return *construct_at(it, std::move(element));
- }
-
- template <typename... Args>
- iterator emplace_back(Args&&... args) {
- return &Impl::emplace_back(std::forward<Args>(args)...);
- }
-
- bool push_back(const value_type& v) {
- Impl::push_back(v);
- return true;
- }
-
- bool push_back(value_type&& v) {
- Impl::push_back(std::move(v));
- return true;
- }
-
- using Impl::pop_back;
-
- void unstable_erase(iterator it) {
- if (it != last()) std::iter_swap(it, last());
- pop_back();
- }
-
- void swap(SmallVector& other) { Impl::swap(other); }
-};
-
-template <typename>
-struct IsSmallVector : std::false_type {};
-
-template <typename T, size_t N>
-struct IsSmallVector<SmallVector<T, N>> : std::true_type {};
-
-// Deduction guide for array constructor.
-template <typename T, size_t N>
-SmallVector(T (&)[N]) -> SmallVector<std::remove_cv_t<T>, N>;
-
-// Deduction guide for variadic constructor.
-template <typename T, typename... Us, typename V = std::decay_t<T>,
- typename = std::enable_if_t<(std::is_constructible_v<V, Us> && ...)>>
-SmallVector(T&&, Us&&...) -> SmallVector<V, 1 + sizeof...(Us)>;
-
-// Deduction guide for in-place constructor.
-template <typename T, size_t... Sizes, typename... Types>
-SmallVector(InitializerList<T, std::index_sequence<Sizes...>, Types...>&&)
- -> SmallVector<T, sizeof...(Sizes)>;
-
-// Deduction guide for StaticVector conversion.
-template <typename T, size_t N>
-SmallVector(StaticVector<T, N>&&) -> SmallVector<T, N>;
-
-template <typename T, size_t N>
-inline void swap(SmallVector<T, N>& lhs, SmallVector<T, N>& rhs) {
- lhs.swap(rhs);
-}
-
-} // namespace android::ftl
diff --git a/include/ftl/StaticVector.h b/include/ftl/StaticVector.h
deleted file mode 100644
index c132556..0000000
--- a/include/ftl/StaticVector.h
+++ /dev/null
@@ -1,393 +0,0 @@
-/*
- * Copyright 2020 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 <ftl/ArrayTraits.h>
-#include <ftl/InitializerList.h>
-
-#include <algorithm>
-#include <cassert>
-#include <iterator>
-#include <memory>
-#include <type_traits>
-#include <utility>
-
-namespace android::ftl {
-
-constexpr struct IteratorRangeTag {} IteratorRange;
-
-// Fixed-capacity, statically allocated counterpart of std::vector. Akin to std::array, StaticVector
-// allocates contiguous storage for N elements of type T at compile time, but stores at most (rather
-// than exactly) N elements. Unlike std::array, its default constructor does not require T to have a
-// default constructor, since elements are constructed in place as the vector grows. Operations that
-// insert an element (emplace_back, push_back, etc.) fail when the vector is full. The API otherwise
-// adheres to standard containers, except the unstable_erase operation that does not preserve order,
-// and the replace operation that destructively emplaces.
-//
-// StaticVector<T, 1> is analogous to an iterable std::optional, but StaticVector<T, 0> is an error.
-//
-// Example usage:
-//
-// ftl::StaticVector<char, 3> vector;
-// assert(vector.empty());
-//
-// vector = {'a', 'b'};
-// assert(vector.size() == 2u);
-//
-// vector.push_back('c');
-// assert(vector.full());
-//
-// assert(!vector.push_back('d'));
-// assert(vector.size() == 3u);
-//
-// vector.unstable_erase(vector.begin());
-// assert(vector == (ftl::StaticVector{'c', 'b'}));
-//
-// vector.pop_back();
-// assert(vector.back() == 'c');
-//
-// const char array[] = "hi";
-// vector = ftl::StaticVector(array);
-// assert(vector == (ftl::StaticVector{'h', 'i', '\0'}));
-//
-// ftl::StaticVector strings = ftl::init::list<std::string>("abc")
-// ("123456", 3u)
-// (3u, '?');
-// assert(strings.size() == 3u);
-// assert(strings[0] == "abc");
-// assert(strings[1] == "123");
-// assert(strings[2] == "???");
-//
-template <typename T, size_t N>
-class StaticVector final : ArrayTraits<T>,
- ArrayIterators<StaticVector<T, N>, T>,
- ArrayComparators<StaticVector> {
- static_assert(N > 0);
-
- using ArrayTraits<T>::construct_at;
-
- using Iter = ArrayIterators<StaticVector, T>;
- friend Iter;
-
- // There is ambiguity when constructing from two iterator-like elements like pointers:
- // they could be an iterator range, or arguments for in-place construction. Assume the
- // latter unless they are input iterators and cannot be used to construct elements. If
- // the former is intended, the caller can pass an IteratorRangeTag to disambiguate.
- template <typename I, typename Traits = std::iterator_traits<I>>
- using IsInputIterator = std::conjunction<
- std::is_base_of<std::input_iterator_tag, typename Traits::iterator_category>,
- std::negation<std::is_constructible<T, I>>>;
-
-public:
- FTL_ARRAY_TRAIT(T, value_type);
- FTL_ARRAY_TRAIT(T, size_type);
- FTL_ARRAY_TRAIT(T, difference_type);
-
- FTL_ARRAY_TRAIT(T, pointer);
- FTL_ARRAY_TRAIT(T, reference);
- FTL_ARRAY_TRAIT(T, iterator);
- FTL_ARRAY_TRAIT(T, reverse_iterator);
-
- FTL_ARRAY_TRAIT(T, const_pointer);
- FTL_ARRAY_TRAIT(T, const_reference);
- FTL_ARRAY_TRAIT(T, const_iterator);
- FTL_ARRAY_TRAIT(T, const_reverse_iterator);
-
- // Creates an empty vector.
- StaticVector() = default;
-
- // Copies and moves a vector, respectively.
- StaticVector(const StaticVector& other)
- : StaticVector(IteratorRange, other.begin(), other.end()) {}
- StaticVector(StaticVector&& other) { swap<Empty>(other); }
-
- // Copies at most N elements from a smaller convertible vector.
- template <typename U, size_t M, typename = std::enable_if_t<M <= N>>
- StaticVector(const StaticVector<U, M>& other)
- : StaticVector(IteratorRange, other.begin(), other.end()) {}
-
- // Copies at most N elements from an array.
- template <typename U, size_t M>
- explicit StaticVector(U (&array)[M])
- : StaticVector(IteratorRange, std::begin(array), std::end(array)) {}
-
- // Copies at most N elements from the range [first, last).
- //
- // IteratorRangeTag disambiguates with initialization from two iterator-like elements.
- //
- template <typename Iterator, typename = std::enable_if_t<IsInputIterator<Iterator>{}>>
- StaticVector(Iterator first, Iterator last) : StaticVector(IteratorRange, first, last) {
- using V = typename std::iterator_traits<Iterator>::value_type;
- static_assert(std::is_constructible_v<value_type, V>, "Incompatible iterator range");
- }
-
- template <typename Iterator>
- StaticVector(IteratorRangeTag, Iterator first, Iterator last)
- : mSize(std::min(max_size(), static_cast<size_type>(std::distance(first, last)))) {
- std::uninitialized_copy(first, first + mSize, begin());
- }
-
- // Constructs at most N elements. The template arguments T and N are inferred using the
- // deduction guide defined below. Note that T is determined from the first element, and
- // subsequent elements must have convertible types:
- //
- // ftl::StaticVector vector = {1, 2, 3};
- // static_assert(std::is_same_v<decltype(vector), ftl::StaticVector<int, 3>>);
- //
- // const auto copy = "quince"s;
- // auto move = "tart"s;
- // ftl::StaticVector vector = {copy, std::move(move)};
- //
- // static_assert(std::is_same_v<decltype(vector), ftl::StaticVector<std::string, 2>>);
- //
- template <typename E, typename... Es,
- typename = std::enable_if_t<std::is_constructible_v<value_type, E>>>
- StaticVector(E&& element, Es&&... elements)
- : StaticVector(std::index_sequence<0>{}, std::forward<E>(element),
- std::forward<Es>(elements)...) {
- static_assert(sizeof...(elements) < N, "Too many elements");
- }
-
- // Constructs at most N elements in place by forwarding per-element constructor arguments. The
- // template arguments T and N are inferred using the deduction guide defined below. The syntax
- // for listing arguments is as follows:
- //
- // ftl::StaticVector vector = ftl::init::list<std::string>("abc")()(3u, '?');
- //
- // static_assert(std::is_same_v<decltype(vector), ftl::StaticVector<std::string, 3>>);
- // assert(vector.full());
- // assert(vector[0] == "abc");
- // assert(vector[1].empty());
- // assert(vector[2] == "???");
- //
- template <typename U, size_t Size, size_t... Sizes, typename... Types>
- StaticVector(InitializerList<U, std::index_sequence<Size, Sizes...>, Types...>&& init)
- : StaticVector(std::index_sequence<0, 0, Size>{}, std::make_index_sequence<Size>{},
- std::index_sequence<Sizes...>{}, init.tuple) {}
-
- ~StaticVector() { std::destroy(begin(), end()); }
-
- StaticVector& operator=(const StaticVector& other) {
- StaticVector copy(other);
- swap(copy);
- return *this;
- }
-
- StaticVector& operator=(StaticVector&& other) {
- std::destroy(begin(), end());
- mSize = 0;
- swap<Empty>(other);
- return *this;
- }
-
- template <typename = void>
- void swap(StaticVector&);
-
- static constexpr size_type max_size() { return N; }
- size_type size() const { return mSize; }
-
- bool empty() const { return size() == 0; }
- bool full() const { return size() == max_size(); }
-
- iterator begin() { return std::launder(reinterpret_cast<pointer>(mData)); }
- iterator end() { return begin() + size(); }
-
- using Iter::begin;
- using Iter::end;
-
- using Iter::cbegin;
- using Iter::cend;
-
- using Iter::rbegin;
- using Iter::rend;
-
- using Iter::crbegin;
- using Iter::crend;
-
- using Iter::last;
-
- using Iter::back;
- using Iter::front;
-
- using Iter::operator[];
-
- // Replaces an element, and returns a reference to it. The iterator must be dereferenceable, so
- // replacing at end() is erroneous.
- //
- // The element is emplaced via move constructor, so type T does not need to define copy/move
- // assignment, e.g. its data members may be const.
- //
- // The arguments may directly or indirectly refer to the element being replaced.
- //
- // Iterators to the replaced element point to its replacement, and others remain valid.
- //
- template <typename... Args>
- reference replace(const_iterator it, Args&&... args) {
- value_type element{std::forward<Args>(args)...};
- std::destroy_at(it);
- // This is only safe because exceptions are disabled.
- return *construct_at(it, std::move(element));
- }
-
- // Appends an element, and returns an iterator to it. If the vector is full, the element is not
- // inserted, and the end() iterator is returned.
- //
- // On success, the end() iterator is invalidated.
- //
- template <typename... Args>
- iterator emplace_back(Args&&... args) {
- if (full()) return end();
- const iterator it = construct_at(end(), std::forward<Args>(args)...);
- ++mSize;
- return it;
- }
-
- // Appends an element unless the vector is full, and returns whether the element was inserted.
- //
- // On success, the end() iterator is invalidated.
- //
- bool push_back(const value_type& v) {
- // Two statements for sequence point.
- const iterator it = emplace_back(v);
- return it != end();
- }
-
- bool push_back(value_type&& v) {
- // Two statements for sequence point.
- const iterator it = emplace_back(std::move(v));
- return it != end();
- }
-
- // Removes the last element. The vector must not be empty, or the call is erroneous.
- //
- // The last() and end() iterators are invalidated.
- //
- void pop_back() { unstable_erase(last()); }
-
- // Erases an element, but does not preserve order. Rather than shifting subsequent elements,
- // this moves the last element to the slot of the erased element.
- //
- // The last() and end() iterators, as well as those to the erased element, are invalidated.
- //
- void unstable_erase(const_iterator it) {
- std::destroy_at(it);
- if (it != last()) {
- // Move last element and destroy its source for destructor side effects. This is only
- // safe because exceptions are disabled.
- construct_at(it, std::move(back()));
- std::destroy_at(last());
- }
- --mSize;
- }
-
-private:
- struct Empty {};
-
- // Recursion for variadic constructor.
- template <size_t I, typename E, typename... Es>
- StaticVector(std::index_sequence<I>, E&& element, Es&&... elements)
- : StaticVector(std::index_sequence<I + 1>{}, std::forward<Es>(elements)...) {
- construct_at(begin() + I, std::forward<E>(element));
- }
-
- // Base case for variadic constructor.
- template <size_t I>
- explicit StaticVector(std::index_sequence<I>) : mSize(I) {}
-
- // Recursion for in-place constructor.
- //
- // Construct element I by extracting its arguments from the InitializerList tuple. ArgIndex
- // is the position of its first argument in Args, and ArgCount is the number of arguments.
- // The Indices sequence corresponds to [0, ArgCount).
- //
- // The Sizes sequence lists the argument counts for elements after I, so Size is the ArgCount
- // for the next element. The recursion stops when Sizes is empty for the last element.
- //
- template <size_t I, size_t ArgIndex, size_t ArgCount, size_t... Indices, size_t Size,
- size_t... Sizes, typename... Args>
- StaticVector(std::index_sequence<I, ArgIndex, ArgCount>, std::index_sequence<Indices...>,
- std::index_sequence<Size, Sizes...>, std::tuple<Args...>& tuple)
- : StaticVector(std::index_sequence<I + 1, ArgIndex + ArgCount, Size>{},
- std::make_index_sequence<Size>{}, std::index_sequence<Sizes...>{}, tuple) {
- construct_at(begin() + I, std::move(std::get<ArgIndex + Indices>(tuple))...);
- }
-
- // Base case for in-place constructor.
- template <size_t I, size_t ArgIndex, size_t ArgCount, size_t... Indices, typename... Args>
- StaticVector(std::index_sequence<I, ArgIndex, ArgCount>, std::index_sequence<Indices...>,
- std::index_sequence<>, std::tuple<Args...>& tuple)
- : mSize(I + 1) {
- construct_at(begin() + I, std::move(std::get<ArgIndex + Indices>(tuple))...);
- }
-
- size_type mSize = 0;
- std::aligned_storage_t<sizeof(value_type), alignof(value_type)> mData[N];
-};
-
-// Deduction guide for array constructor.
-template <typename T, size_t N>
-StaticVector(T (&)[N]) -> StaticVector<std::remove_cv_t<T>, N>;
-
-// Deduction guide for variadic constructor.
-template <typename T, typename... Us, typename V = std::decay_t<T>,
- typename = std::enable_if_t<(std::is_constructible_v<V, Us> && ...)>>
-StaticVector(T&&, Us&&...) -> StaticVector<V, 1 + sizeof...(Us)>;
-
-// Deduction guide for in-place constructor.
-template <typename T, size_t... Sizes, typename... Types>
-StaticVector(InitializerList<T, std::index_sequence<Sizes...>, Types...>&&)
- -> StaticVector<T, sizeof...(Sizes)>;
-
-template <typename T, size_t N>
-template <typename E>
-void StaticVector<T, N>::swap(StaticVector& other) {
- auto [to, from] = std::make_pair(this, &other);
- if (from == this) return;
-
- // Assume this vector has fewer elements, so the excess of the other vector will be moved to it.
- auto [min, max] = std::make_pair(size(), other.size());
-
- // No elements to swap if moving into an empty vector.
- if constexpr (std::is_same_v<E, Empty>) {
- assert(min == 0);
- } else {
- if (min > max) {
- std::swap(from, to);
- std::swap(min, max);
- }
-
- // Swap elements [0, min).
- std::swap_ranges(begin(), begin() + min, other.begin());
-
- // No elements to move if sizes are equal.
- if (min == max) return;
- }
-
- // Move elements [min, max) and destroy their source for destructor side effects.
- const auto [first, last] = std::make_pair(from->begin() + min, from->begin() + max);
- std::uninitialized_move(first, last, to->begin() + min);
- std::destroy(first, last);
-
- std::swap(mSize, other.mSize);
-}
-
-template <typename T, size_t N>
-inline void swap(StaticVector<T, N>& lhs, StaticVector<T, N>& rhs) {
- lhs.swap(rhs);
-}
-
-} // namespace android::ftl
diff --git a/include/ftl/array_traits.h b/include/ftl/array_traits.h
new file mode 100644
index 0000000..1265fa1
--- /dev/null
+++ b/include/ftl/array_traits.h
@@ -0,0 +1,135 @@
+/*
+ * Copyright 2020 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 <algorithm>
+#include <iterator>
+#include <new>
+#include <type_traits>
+
+#define FTL_ARRAY_TRAIT(T, U) using U = typename ArrayTraits<T>::U
+
+namespace android::ftl {
+
+template <typename T>
+struct ArrayTraits {
+ using value_type = T;
+ using size_type = std::size_t;
+ using difference_type = std::ptrdiff_t;
+
+ using pointer = value_type*;
+ using reference = value_type&;
+ using iterator = pointer;
+ using reverse_iterator = std::reverse_iterator<iterator>;
+
+ using const_pointer = const value_type*;
+ using const_reference = const value_type&;
+ using const_iterator = const_pointer;
+ using const_reverse_iterator = std::reverse_iterator<const_iterator>;
+
+ template <typename... Args>
+ static pointer construct_at(const_iterator it, Args&&... args) {
+ void* const ptr = const_cast<void*>(static_cast<const void*>(it));
+ if constexpr (std::is_constructible_v<value_type, Args...>) {
+ // TODO: Replace with std::construct_at in C++20.
+ return new (ptr) value_type(std::forward<Args>(args)...);
+ } else {
+ // Fall back to list initialization.
+ return new (ptr) value_type{std::forward<Args>(args)...};
+ }
+ }
+};
+
+// CRTP mixin to define iterator functions in terms of non-const Self::begin and Self::end.
+template <typename Self, typename T>
+class ArrayIterators {
+ FTL_ARRAY_TRAIT(T, size_type);
+
+ FTL_ARRAY_TRAIT(T, reference);
+ FTL_ARRAY_TRAIT(T, iterator);
+ FTL_ARRAY_TRAIT(T, reverse_iterator);
+
+ FTL_ARRAY_TRAIT(T, const_reference);
+ FTL_ARRAY_TRAIT(T, const_iterator);
+ FTL_ARRAY_TRAIT(T, const_reverse_iterator);
+
+ Self& self() const { return *const_cast<Self*>(static_cast<const Self*>(this)); }
+
+ public:
+ const_iterator begin() const { return cbegin(); }
+ const_iterator cbegin() const { return self().begin(); }
+
+ const_iterator end() const { return cend(); }
+ const_iterator cend() const { return self().end(); }
+
+ reverse_iterator rbegin() { return std::make_reverse_iterator(self().end()); }
+ const_reverse_iterator rbegin() const { return crbegin(); }
+ const_reverse_iterator crbegin() const { return self().rbegin(); }
+
+ reverse_iterator rend() { return std::make_reverse_iterator(self().begin()); }
+ const_reverse_iterator rend() const { return crend(); }
+ const_reverse_iterator crend() const { return self().rend(); }
+
+ iterator last() { return self().end() - 1; }
+ const_iterator last() const { return self().last(); }
+
+ reference front() { return *self().begin(); }
+ const_reference front() const { return self().front(); }
+
+ reference back() { return *last(); }
+ const_reference back() const { return self().back(); }
+
+ reference operator[](size_type i) { return *(self().begin() + i); }
+ const_reference operator[](size_type i) const { return self()[i]; }
+};
+
+// Mixin to define comparison operators for an array-like template.
+// TODO: Replace with operator<=> in C++20.
+template <template <typename, std::size_t> class Array>
+struct ArrayComparators {
+ template <typename T, std::size_t N, std::size_t M>
+ friend bool operator==(const Array<T, N>& lhs, const Array<T, M>& rhs) {
+ return lhs.size() == rhs.size() && std::equal(lhs.begin(), lhs.end(), rhs.begin());
+ }
+
+ template <typename T, std::size_t N, std::size_t M>
+ friend bool operator<(const Array<T, N>& lhs, const Array<T, M>& rhs) {
+ return std::lexicographical_compare(lhs.begin(), lhs.end(), rhs.begin(), rhs.end());
+ }
+
+ template <typename T, std::size_t N, std::size_t M>
+ friend bool operator>(const Array<T, N>& lhs, const Array<T, M>& rhs) {
+ return rhs < lhs;
+ }
+
+ template <typename T, std::size_t N, std::size_t M>
+ friend bool operator!=(const Array<T, N>& lhs, const Array<T, M>& rhs) {
+ return !(lhs == rhs);
+ }
+
+ template <typename T, std::size_t N, std::size_t M>
+ friend bool operator>=(const Array<T, N>& lhs, const Array<T, M>& rhs) {
+ return !(lhs < rhs);
+ }
+
+ template <typename T, std::size_t N, std::size_t M>
+ friend bool operator<=(const Array<T, N>& lhs, const Array<T, M>& rhs) {
+ return !(lhs > rhs);
+ }
+};
+
+} // namespace android::ftl
diff --git a/include/ftl/future.h b/include/ftl/future.h
new file mode 100644
index 0000000..dd6358f
--- /dev/null
+++ b/include/ftl/future.h
@@ -0,0 +1,109 @@
+/*
+ * Copyright 2020 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 <future>
+#include <type_traits>
+#include <utility>
+
+namespace android::ftl {
+
+// Creates a future that defers a function call until its result is queried.
+//
+// auto future = ftl::defer([](int x) { return x + 1; }, 99);
+// assert(future.get() == 100);
+//
+template <typename F, typename... Args>
+inline auto defer(F&& f, Args&&... args) {
+ return std::async(std::launch::deferred, std::forward<F>(f), std::forward<Args>(args)...);
+}
+
+// Creates a future that wraps a value.
+//
+// auto future = ftl::yield(42);
+// assert(future.get() == 42);
+//
+// auto ptr = std::make_unique<char>('!');
+// auto future = ftl::yield(std::move(ptr));
+// assert(*future.get() == '!');
+//
+template <typename T>
+inline std::future<T> yield(T&& v) {
+ return defer([](T&& v) { return std::forward<T>(v); }, std::forward<T>(v));
+}
+
+namespace details {
+
+template <typename T>
+struct future_result {
+ using type = T;
+};
+
+template <typename T>
+struct future_result<std::future<T>> {
+ using type = T;
+};
+
+template <typename T>
+using future_result_t = typename future_result<T>::type;
+
+// Attaches a continuation to a future. The continuation is a function that maps T to either R or
+// std::future<R>. In the former case, the chain wraps the result in a future as if by ftl::yield.
+//
+// auto future = ftl::yield(123);
+// std::future<char> futures[] = {ftl::yield('a'), ftl::yield('b')};
+//
+// std::future<char> chain =
+// ftl::chain(std::move(future))
+// .then([](int x) { return static_cast<std::size_t>(x % 2); })
+// .then([&futures](std::size_t i) { return std::move(futures[i]); });
+//
+// assert(chain.get() == 'b');
+//
+template <typename T>
+struct Chain {
+ // Implicit conversion.
+ Chain(std::future<T>&& f) : future(std::move(f)) {}
+ operator std::future<T>&&() && { return std::move(future); }
+
+ T get() && { return future.get(); }
+
+ template <typename F, typename R = std::invoke_result_t<F, T>>
+ auto then(F&& op) && -> Chain<future_result_t<R>> {
+ return defer(
+ [](auto&& f, F&& op) {
+ R r = op(f.get());
+ if constexpr (std::is_same_v<R, future_result_t<R>>) {
+ return r;
+ } else {
+ return r.get();
+ }
+ },
+ std::move(future), std::forward<F>(op));
+ }
+
+ std::future<T> future;
+};
+
+} // namespace details
+
+template <typename T>
+inline auto chain(std::future<T>&& f) -> details::Chain<T> {
+ return std::move(f);
+}
+
+} // namespace android::ftl
diff --git a/include/ftl/initializer_list.h b/include/ftl/initializer_list.h
new file mode 100644
index 0000000..769c09f
--- /dev/null
+++ b/include/ftl/initializer_list.h
@@ -0,0 +1,108 @@
+/*
+ * Copyright 2020 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 <tuple>
+#include <utility>
+
+namespace android::ftl {
+
+// Compile-time counterpart of std::initializer_list<T> that stores per-element constructor
+// arguments with heterogeneous types. For a container with elements of type T, given Sizes
+// (S0, S1, ..., SN), N elements are initialized: the first element is initialized with the
+// first S0 arguments, the second element is initialized with the next S1 arguments, and so
+// on. The list of Types (T0, ..., TM) is flattened, so M is equal to the sum of the Sizes.
+//
+// An InitializerList is created using ftl::init::list, and is consumed by constructors of
+// containers. The function call operator is overloaded such that arguments are accumulated
+// in a tuple with each successive call. For instance, the following calls initialize three
+// strings using different constructors, i.e. string literal, default, and count/character:
+//
+// ... = ftl::init::list<std::string>("abc")()(3u, '?');
+//
+// The following syntax is a shorthand for key-value pairs, where the first argument is the
+// key, and the rest construct the value. The types of the key and value are deduced if the
+// first pair contains exactly two arguments:
+//
+// ... = ftl::init::map<int, std::string>(-1, "abc")(-2)(-3, 3u, '?');
+//
+// ... = ftl::init::map(0, 'a')(1, 'b')(2, 'c');
+//
+// WARNING: The InitializerList returned by an ftl::init::list expression must be consumed
+// immediately, since temporary arguments are destroyed after the full expression. Storing
+// an InitializerList results in dangling references.
+//
+template <typename T, typename Sizes = std::index_sequence<>, typename... Types>
+struct InitializerList;
+
+template <typename T, std::size_t... Sizes, typename... Types>
+struct InitializerList<T, std::index_sequence<Sizes...>, Types...> {
+ // Creates a superset InitializerList by appending the number of arguments to Sizes, and
+ // expanding Types with forwarding references for each argument.
+ template <typename... Args>
+ [[nodiscard]] constexpr auto operator()(Args&&... args) && -> InitializerList<
+ T, std::index_sequence<Sizes..., sizeof...(Args)>, Types..., Args&&...> {
+ return {std::tuple_cat(std::move(tuple), std::forward_as_tuple(std::forward<Args>(args)...))};
+ }
+
+ // The temporary InitializerList returned by operator() is bound to an rvalue reference in
+ // container constructors, which extends the lifetime of any temporary arguments that this
+ // tuple refers to until the completion of the full expression containing the construction.
+ std::tuple<Types...> tuple;
+};
+
+template <typename K, typename V>
+struct KeyValue {};
+
+// Shorthand for key-value pairs that assigns the first argument to the key, and the rest to the
+// value. The specialization is on KeyValue rather than std::pair, so that ftl::init::list works
+// with the latter.
+template <typename K, typename V, std::size_t... Sizes, typename... Types>
+struct InitializerList<KeyValue<K, V>, std::index_sequence<Sizes...>, Types...> {
+ // Accumulate the three arguments to std::pair's piecewise constructor.
+ template <typename... Args>
+ [[nodiscard]] constexpr auto operator()(K&& k, Args&&... args) && -> InitializerList<
+ KeyValue<K, V>, std::index_sequence<Sizes..., 3>, Types..., std::piecewise_construct_t,
+ std::tuple<K&&>, std::tuple<Args&&...>> {
+ return {std::tuple_cat(
+ std::move(tuple),
+ std::forward_as_tuple(std::piecewise_construct, std::forward_as_tuple(std::forward<K>(k)),
+ std::forward_as_tuple(std::forward<Args>(args)...)))};
+ }
+
+ std::tuple<Types...> tuple;
+};
+
+namespace init {
+
+template <typename T, typename... Args>
+[[nodiscard]] constexpr auto list(Args&&... args) {
+ return InitializerList<T>{}(std::forward<Args>(args)...);
+}
+
+template <typename K, typename V, typename... Args>
+[[nodiscard]] constexpr auto map(Args&&... args) {
+ return list<KeyValue<K, V>>(std::forward<Args>(args)...);
+}
+
+template <typename K, typename V>
+[[nodiscard]] constexpr auto map(K&& k, V&& v) {
+ return list<KeyValue<K, V>>(std::forward<K>(k), std::forward<V>(v));
+}
+
+} // namespace init
+} // namespace android::ftl
diff --git a/include/ftl/small_map.h b/include/ftl/small_map.h
new file mode 100644
index 0000000..84c15eb
--- /dev/null
+++ b/include/ftl/small_map.h
@@ -0,0 +1,203 @@
+/*
+ * Copyright 2020 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 <ftl/initializer_list.h>
+#include <ftl/small_vector.h>
+
+#include <functional>
+#include <optional>
+#include <type_traits>
+#include <utility>
+
+namespace android::ftl {
+
+// Associative container with unique, unordered keys. Unlike std::unordered_map, key-value pairs are
+// stored in contiguous storage for cache efficiency. The map is allocated statically until its size
+// exceeds N, at which point mappings are relocated to dynamic memory.
+//
+// SmallMap<K, V, 0> unconditionally allocates on the heap.
+//
+// Example usage:
+//
+// ftl::SmallMap<int, std::string, 3> map;
+// assert(map.empty());
+// assert(!map.dynamic());
+//
+// map = ftl::init::map<int, std::string>(123, "abc")(-1)(42, 3u, '?');
+// assert(map.size() == 3u);
+// assert(!map.dynamic());
+//
+// assert(map.contains(123));
+// assert(map.find(42, [](const std::string& s) { return s.size(); }) == 3u);
+//
+// const auto opt = map.find(-1);
+// assert(opt);
+//
+// std::string& ref = *opt;
+// assert(ref.empty());
+// ref = "xyz";
+//
+// assert(map == SmallMap(ftl::init::map(-1, "xyz")(42, "???")(123, "abc")));
+//
+template <typename K, typename V, std::size_t N>
+class SmallMap final {
+ using Map = SmallVector<std::pair<const K, V>, N>;
+
+ public:
+ using key_type = K;
+ using mapped_type = V;
+
+ using value_type = typename Map::value_type;
+ using size_type = typename Map::size_type;
+ using difference_type = typename Map::difference_type;
+
+ using reference = typename Map::reference;
+ using iterator = typename Map::iterator;
+
+ using const_reference = typename Map::const_reference;
+ using const_iterator = typename Map::const_iterator;
+
+ // Creates an empty map.
+ SmallMap() = default;
+
+ // Constructs at most N key-value pairs in place by forwarding per-pair constructor arguments.
+ // The template arguments K, V, and N are inferred using the deduction guide defined below.
+ // The syntax for listing pairs is as follows:
+ //
+ // ftl::SmallMap map = ftl::init::map<int, std::string>(123, "abc")(-1)(42, 3u, '?');
+ //
+ // static_assert(std::is_same_v<decltype(map), ftl::SmallMap<int, std::string, 3>>);
+ // assert(map.size() == 3u);
+ // assert(map.contains(-1) && map.find(-1)->get().empty());
+ // assert(map.contains(42) && map.find(42)->get() == "???");
+ // assert(map.contains(123) && map.find(123)->get() == "abc");
+ //
+ // The types of the key and value are deduced if the first pair contains exactly two arguments:
+ //
+ // ftl::SmallMap map = ftl::init::map(0, 'a')(1, 'b')(2, 'c');
+ // static_assert(std::is_same_v<decltype(map), ftl::SmallMap<int, char, 3>>);
+ //
+ template <typename U, std::size_t... Sizes, typename... Types>
+ SmallMap(InitializerList<U, std::index_sequence<Sizes...>, Types...>&& list)
+ : map_(std::move(list)) {
+ // TODO: Enforce unique keys.
+ }
+
+ size_type max_size() const { return map_.max_size(); }
+ size_type size() const { return map_.size(); }
+ bool empty() const { return map_.empty(); }
+
+ // Returns whether the map is backed by static or dynamic storage.
+ bool dynamic() const { return map_.dynamic(); }
+
+ iterator begin() { return map_.begin(); }
+ const_iterator begin() const { return cbegin(); }
+ const_iterator cbegin() const { return map_.cbegin(); }
+
+ iterator end() { return map_.end(); }
+ const_iterator end() const { return cend(); }
+ const_iterator cend() const { return map_.cend(); }
+
+ // Returns whether a mapping exists for the given key.
+ bool contains(const key_type& key) const {
+ return find(key, [](const mapped_type&) {});
+ }
+
+ // Returns a reference to the value for the given key, or std::nullopt if the key was not found.
+ //
+ // ftl::SmallMap map = ftl::init::map('a', 'A')('b', 'B')('c', 'C');
+ //
+ // const auto opt = map.find('c');
+ // assert(opt == 'C');
+ //
+ // char d = 'd';
+ // const auto ref = map.find('d').value_or(std::ref(d));
+ // ref.get() = 'D';
+ // assert(d == 'D');
+ //
+ auto find(const key_type& key) const -> std::optional<std::reference_wrapper<const mapped_type>> {
+ return find(key, [](const mapped_type& v) { return std::cref(v); });
+ }
+
+ auto find(const key_type& key) -> std::optional<std::reference_wrapper<mapped_type>> {
+ return find(key, [](mapped_type& v) { return std::ref(v); });
+ }
+
+ // Returns the result R of a unary operation F on (a constant or mutable reference to) the value
+ // for the given key, or std::nullopt if the key was not found. If F has a return type of void,
+ // then the Boolean result indicates whether the key was found.
+ //
+ // ftl::SmallMap map = ftl::init::map('a', 'x')('b', 'y')('c', 'z');
+ //
+ // assert(map.find('c', [](char c) { return std::toupper(c); }) == 'Z');
+ // assert(map.find('c', [](char& c) { c = std::toupper(c); }));
+ //
+ template <typename F, typename R = std::invoke_result_t<F, const mapped_type&>>
+ auto find(const key_type& key, F f) const
+ -> std::conditional_t<std::is_void_v<R>, bool, std::optional<R>> {
+ for (auto& [k, v] : *this) {
+ if (k == key) {
+ if constexpr (std::is_void_v<R>) {
+ f(v);
+ return true;
+ } else {
+ return f(v);
+ }
+ }
+ }
+
+ return {};
+ }
+
+ template <typename F>
+ auto find(const key_type& key, F f) {
+ return std::as_const(*this).find(
+ key, [&f](const mapped_type& v) { return f(const_cast<mapped_type&>(v)); });
+ }
+
+ private:
+ Map map_;
+};
+
+// Deduction guide for in-place constructor.
+template <typename K, typename V, std::size_t... Sizes, typename... Types>
+SmallMap(InitializerList<KeyValue<K, V>, std::index_sequence<Sizes...>, Types...>&&)
+ -> SmallMap<K, V, sizeof...(Sizes)>;
+
+// Returns whether the key-value pairs of two maps are equal.
+template <typename K, typename V, std::size_t N, typename Q, typename W, std::size_t M>
+bool operator==(const SmallMap<K, V, N>& lhs, const SmallMap<Q, W, M>& rhs) {
+ if (lhs.size() != rhs.size()) return false;
+
+ for (const auto& [k, v] : lhs) {
+ const auto& lv = v;
+ if (!rhs.find(k, [&lv](const auto& rv) { return lv == rv; }).value_or(false)) {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+// TODO: Remove in C++20.
+template <typename K, typename V, std::size_t N, typename Q, typename W, std::size_t M>
+inline bool operator!=(const SmallMap<K, V, N>& lhs, const SmallMap<Q, W, M>& rhs) {
+ return !(lhs == rhs);
+}
+
+} // namespace android::ftl
diff --git a/include/ftl/small_vector.h b/include/ftl/small_vector.h
new file mode 100644
index 0000000..cb0ae35
--- /dev/null
+++ b/include/ftl/small_vector.h
@@ -0,0 +1,387 @@
+/*
+ * Copyright 2020 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 <ftl/array_traits.h>
+#include <ftl/static_vector.h>
+
+#include <algorithm>
+#include <iterator>
+#include <type_traits>
+#include <utility>
+#include <variant>
+#include <vector>
+
+namespace android::ftl {
+
+template <typename>
+struct is_small_vector;
+
+// ftl::StaticVector that promotes to std::vector when full. SmallVector is a drop-in replacement
+// for std::vector with statically allocated storage for N elements, whose goal is to improve run
+// time by avoiding heap allocation and increasing probability of cache hits. The standard API is
+// augmented by an unstable_erase operation that does not preserve order, and a replace operation
+// that destructively emplaces.
+//
+// SmallVector<T, 0> is a specialization that thinly wraps std::vector.
+//
+// Example usage:
+//
+// ftl::SmallVector<char, 3> vector;
+// assert(vector.empty());
+// assert(!vector.dynamic());
+//
+// vector = {'a', 'b', 'c'};
+// assert(vector.size() == 3u);
+// assert(!vector.dynamic());
+//
+// vector.push_back('d');
+// assert(vector.dynamic());
+//
+// vector.unstable_erase(vector.begin());
+// assert(vector == (ftl::SmallVector{'d', 'b', 'c'}));
+//
+// vector.pop_back();
+// assert(vector.back() == 'b');
+// assert(vector.dynamic());
+//
+// const char array[] = "hi";
+// vector = ftl::SmallVector(array);
+// assert(vector == (ftl::SmallVector{'h', 'i', '\0'}));
+// assert(!vector.dynamic());
+//
+// ftl::SmallVector strings = ftl::init::list<std::string>("abc")("123456", 3u)(3u, '?');
+// assert(strings.size() == 3u);
+// assert(!strings.dynamic());
+//
+// assert(strings[0] == "abc");
+// assert(strings[1] == "123");
+// assert(strings[2] == "???");
+//
+template <typename T, std::size_t N>
+class SmallVector final : ArrayTraits<T>, ArrayComparators<SmallVector> {
+ using Static = StaticVector<T, N>;
+ using Dynamic = SmallVector<T, 0>;
+
+ // TODO: Replace with std::remove_cvref_t in C++20.
+ template <typename U>
+ using remove_cvref_t = std::remove_cv_t<std::remove_reference_t<U>>;
+
+ public:
+ FTL_ARRAY_TRAIT(T, value_type);
+ FTL_ARRAY_TRAIT(T, size_type);
+ FTL_ARRAY_TRAIT(T, difference_type);
+
+ FTL_ARRAY_TRAIT(T, pointer);
+ FTL_ARRAY_TRAIT(T, reference);
+ FTL_ARRAY_TRAIT(T, iterator);
+ FTL_ARRAY_TRAIT(T, reverse_iterator);
+
+ FTL_ARRAY_TRAIT(T, const_pointer);
+ FTL_ARRAY_TRAIT(T, const_reference);
+ FTL_ARRAY_TRAIT(T, const_iterator);
+ FTL_ARRAY_TRAIT(T, const_reverse_iterator);
+
+ // Creates an empty vector.
+ SmallVector() = default;
+
+ // Constructs at most N elements. See StaticVector for underlying constructors.
+ template <typename Arg, typename... Args,
+ typename = std::enable_if_t<!is_small_vector<remove_cvref_t<Arg>>{}>>
+ SmallVector(Arg&& arg, Args&&... args)
+ : vector_(std::in_place_type<Static>, std::forward<Arg>(arg), std::forward<Args>(args)...) {}
+
+ // Copies at most N elements from a smaller convertible vector.
+ template <typename U, std::size_t M, typename = std::enable_if_t<M <= N>>
+ SmallVector(const SmallVector<U, M>& other)
+ : SmallVector(kIteratorRange, other.begin(), other.end()) {}
+
+ void swap(SmallVector& other) { vector_.swap(other.vector_); }
+
+ // Returns whether the vector is backed by static or dynamic storage.
+ bool dynamic() const { return std::holds_alternative<Dynamic>(vector_); }
+
+ // Avoid std::visit as it generates a dispatch table.
+#define DISPATCH(T, F, ...) \
+ T F() __VA_ARGS__ { \
+ return dynamic() ? std::get<Dynamic>(vector_).F() : std::get<Static>(vector_).F(); \
+ }
+
+ DISPATCH(size_type, max_size, const)
+ DISPATCH(size_type, size, const)
+ DISPATCH(bool, empty, const)
+
+ // noexcept to suppress warning about zero variadic macro arguments.
+ DISPATCH(iterator, begin, noexcept)
+ DISPATCH(const_iterator, begin, const)
+ DISPATCH(const_iterator, cbegin, const)
+
+ DISPATCH(iterator, end, noexcept)
+ DISPATCH(const_iterator, end, const)
+ DISPATCH(const_iterator, cend, const)
+
+ DISPATCH(reverse_iterator, rbegin, noexcept)
+ DISPATCH(const_reverse_iterator, rbegin, const)
+ DISPATCH(const_reverse_iterator, crbegin, const)
+
+ DISPATCH(reverse_iterator, rend, noexcept)
+ DISPATCH(const_reverse_iterator, rend, const)
+ DISPATCH(const_reverse_iterator, crend, const)
+
+ DISPATCH(iterator, last, noexcept)
+ DISPATCH(const_iterator, last, const)
+
+ DISPATCH(reference, front, noexcept)
+ DISPATCH(const_reference, front, const)
+
+ DISPATCH(reference, back, noexcept)
+ DISPATCH(const_reference, back, const)
+
+#undef DISPATCH
+
+ reference operator[](size_type i) {
+ return dynamic() ? std::get<Dynamic>(vector_)[i] : std::get<Static>(vector_)[i];
+ }
+
+ const_reference operator[](size_type i) const { return const_cast<SmallVector&>(*this)[i]; }
+
+ // Replaces an element, and returns a reference to it. The iterator must be dereferenceable, so
+ // replacing at end() is erroneous.
+ //
+ // The element is emplaced via move constructor, so type T does not need to define copy/move
+ // assignment, e.g. its data members may be const.
+ //
+ // The arguments may directly or indirectly refer to the element being replaced.
+ //
+ // Iterators to the replaced element point to its replacement, and others remain valid.
+ //
+ template <typename... Args>
+ reference replace(const_iterator it, Args&&... args) {
+ if (dynamic()) {
+ return std::get<Dynamic>(vector_).replace(it, std::forward<Args>(args)...);
+ } else {
+ return std::get<Static>(vector_).replace(it, std::forward<Args>(args)...);
+ }
+ }
+
+ // Appends an element, and returns a reference to it.
+ //
+ // If the vector reaches its static or dynamic capacity, then all iterators are invalidated.
+ // Otherwise, only the end() iterator is invalidated.
+ //
+ template <typename... Args>
+ reference emplace_back(Args&&... args) {
+ constexpr auto kInsertStatic = &Static::template emplace_back<Args...>;
+ constexpr auto kInsertDynamic = &Dynamic::template emplace_back<Args...>;
+ return *insert<kInsertStatic, kInsertDynamic>(std::forward<Args>(args)...);
+ }
+
+ // Appends an element.
+ //
+ // If the vector reaches its static or dynamic capacity, then all iterators are invalidated.
+ // Otherwise, only the end() iterator is invalidated.
+ //
+ void push_back(const value_type& v) {
+ constexpr auto kInsertStatic =
+ static_cast<bool (Static::*)(const value_type&)>(&Static::push_back);
+ constexpr auto kInsertDynamic =
+ static_cast<bool (Dynamic::*)(const value_type&)>(&Dynamic::push_back);
+ insert<kInsertStatic, kInsertDynamic>(v);
+ }
+
+ void push_back(value_type&& v) {
+ constexpr auto kInsertStatic = static_cast<bool (Static::*)(value_type &&)>(&Static::push_back);
+ constexpr auto kInsertDynamic =
+ static_cast<bool (Dynamic::*)(value_type &&)>(&Dynamic::push_back);
+ insert<kInsertStatic, kInsertDynamic>(std::move(v));
+ }
+
+ // Removes the last element. The vector must not be empty, or the call is erroneous.
+ //
+ // The last() and end() iterators are invalidated.
+ //
+ void pop_back() {
+ if (dynamic()) {
+ std::get<Dynamic>(vector_).pop_back();
+ } else {
+ std::get<Static>(vector_).pop_back();
+ }
+ }
+
+ // Erases an element, but does not preserve order. Rather than shifting subsequent elements,
+ // this moves the last element to the slot of the erased element.
+ //
+ // The last() and end() iterators, as well as those to the erased element, are invalidated.
+ //
+ void unstable_erase(iterator it) {
+ if (dynamic()) {
+ std::get<Dynamic>(vector_).unstable_erase(it);
+ } else {
+ std::get<Static>(vector_).unstable_erase(it);
+ }
+ }
+
+ private:
+ template <auto InsertStatic, auto InsertDynamic, typename... Args>
+ auto insert(Args&&... args) {
+ if (Dynamic* const vector = std::get_if<Dynamic>(&vector_)) {
+ return (vector->*InsertDynamic)(std::forward<Args>(args)...);
+ }
+
+ auto& vector = std::get<Static>(vector_);
+ if (vector.full()) {
+ return (promote(vector).*InsertDynamic)(std::forward<Args>(args)...);
+ } else {
+ return (vector.*InsertStatic)(std::forward<Args>(args)...);
+ }
+ }
+
+ Dynamic& promote(Static& static_vector) {
+ assert(static_vector.full());
+
+ // Allocate double capacity to reduce probability of reallocation.
+ Dynamic vector;
+ vector.reserve(Static::max_size() * 2);
+ std::move(static_vector.begin(), static_vector.end(), std::back_inserter(vector));
+
+ return vector_.template emplace<Dynamic>(std::move(vector));
+ }
+
+ std::variant<Static, Dynamic> vector_;
+};
+
+// Partial specialization without static storage.
+template <typename T>
+class SmallVector<T, 0> final : ArrayTraits<T>,
+ ArrayIterators<SmallVector<T, 0>, T>,
+ std::vector<T> {
+ using ArrayTraits<T>::construct_at;
+
+ using Iter = ArrayIterators<SmallVector, T>;
+ using Impl = std::vector<T>;
+
+ friend Iter;
+
+ public:
+ FTL_ARRAY_TRAIT(T, value_type);
+ FTL_ARRAY_TRAIT(T, size_type);
+ FTL_ARRAY_TRAIT(T, difference_type);
+
+ FTL_ARRAY_TRAIT(T, pointer);
+ FTL_ARRAY_TRAIT(T, reference);
+ FTL_ARRAY_TRAIT(T, iterator);
+ FTL_ARRAY_TRAIT(T, reverse_iterator);
+
+ FTL_ARRAY_TRAIT(T, const_pointer);
+ FTL_ARRAY_TRAIT(T, const_reference);
+ FTL_ARRAY_TRAIT(T, const_iterator);
+ FTL_ARRAY_TRAIT(T, const_reverse_iterator);
+
+ using Impl::Impl;
+
+ using Impl::empty;
+ using Impl::max_size;
+ using Impl::size;
+
+ using Impl::reserve;
+
+ // std::vector iterators are not necessarily raw pointers.
+ iterator begin() { return Impl::data(); }
+ iterator end() { return Impl::data() + size(); }
+
+ using Iter::begin;
+ using Iter::end;
+
+ using Iter::cbegin;
+ using Iter::cend;
+
+ using Iter::rbegin;
+ using Iter::rend;
+
+ using Iter::crbegin;
+ using Iter::crend;
+
+ using Iter::last;
+
+ using Iter::back;
+ using Iter::front;
+
+ using Iter::operator[];
+
+ template <typename... Args>
+ reference replace(const_iterator it, Args&&... args) {
+ value_type element{std::forward<Args>(args)...};
+ std::destroy_at(it);
+ // This is only safe because exceptions are disabled.
+ return *construct_at(it, std::move(element));
+ }
+
+ template <typename... Args>
+ iterator emplace_back(Args&&... args) {
+ return &Impl::emplace_back(std::forward<Args>(args)...);
+ }
+
+ bool push_back(const value_type& v) {
+ Impl::push_back(v);
+ return true;
+ }
+
+ bool push_back(value_type&& v) {
+ Impl::push_back(std::move(v));
+ return true;
+ }
+
+ using Impl::pop_back;
+
+ void unstable_erase(iterator it) {
+ if (it != last()) std::iter_swap(it, last());
+ pop_back();
+ }
+
+ void swap(SmallVector& other) { Impl::swap(other); }
+};
+
+template <typename>
+struct is_small_vector : std::false_type {};
+
+template <typename T, std::size_t N>
+struct is_small_vector<SmallVector<T, N>> : std::true_type {};
+
+// Deduction guide for array constructor.
+template <typename T, std::size_t N>
+SmallVector(T (&)[N]) -> SmallVector<std::remove_cv_t<T>, N>;
+
+// Deduction guide for variadic constructor.
+template <typename T, typename... Us, typename V = std::decay_t<T>,
+ typename = std::enable_if_t<(std::is_constructible_v<V, Us> && ...)>>
+SmallVector(T&&, Us&&...) -> SmallVector<V, 1 + sizeof...(Us)>;
+
+// Deduction guide for in-place constructor.
+template <typename T, std::size_t... Sizes, typename... Types>
+SmallVector(InitializerList<T, std::index_sequence<Sizes...>, Types...>&&)
+ -> SmallVector<T, sizeof...(Sizes)>;
+
+// Deduction guide for StaticVector conversion.
+template <typename T, std::size_t N>
+SmallVector(StaticVector<T, N>&&) -> SmallVector<T, N>;
+
+template <typename T, std::size_t N>
+inline void swap(SmallVector<T, N>& lhs, SmallVector<T, N>& rhs) {
+ lhs.swap(rhs);
+}
+
+} // namespace android::ftl
diff --git a/include/ftl/static_vector.h b/include/ftl/static_vector.h
new file mode 100644
index 0000000..96a1ae8
--- /dev/null
+++ b/include/ftl/static_vector.h
@@ -0,0 +1,394 @@
+/*
+ * Copyright 2020 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 <ftl/array_traits.h>
+#include <ftl/initializer_list.h>
+
+#include <algorithm>
+#include <cassert>
+#include <iterator>
+#include <memory>
+#include <type_traits>
+#include <utility>
+
+namespace android::ftl {
+
+constexpr struct IteratorRangeTag {
+} kIteratorRange;
+
+// Fixed-capacity, statically allocated counterpart of std::vector. Like std::array, StaticVector
+// allocates contiguous storage for N elements of type T at compile time, but stores at most (rather
+// than exactly) N elements. Unlike std::array, its default constructor does not require T to have a
+// default constructor, since elements are constructed in place as the vector grows. Operations that
+// insert an element (emplace_back, push_back, etc.) fail when the vector is full. The API otherwise
+// adheres to standard containers, except the unstable_erase operation that does not preserve order,
+// and the replace operation that destructively emplaces.
+//
+// StaticVector<T, 1> is analogous to an iterable std::optional.
+// StaticVector<T, 0> is an error.
+//
+// Example usage:
+//
+// ftl::StaticVector<char, 3> vector;
+// assert(vector.empty());
+//
+// vector = {'a', 'b'};
+// assert(vector.size() == 2u);
+//
+// vector.push_back('c');
+// assert(vector.full());
+//
+// assert(!vector.push_back('d'));
+// assert(vector.size() == 3u);
+//
+// vector.unstable_erase(vector.begin());
+// assert(vector == (ftl::StaticVector{'c', 'b'}));
+//
+// vector.pop_back();
+// assert(vector.back() == 'c');
+//
+// const char array[] = "hi";
+// vector = ftl::StaticVector(array);
+// assert(vector == (ftl::StaticVector{'h', 'i', '\0'}));
+//
+// ftl::StaticVector strings = ftl::init::list<std::string>("abc")("123456", 3u)(3u, '?');
+// assert(strings.size() == 3u);
+// assert(strings[0] == "abc");
+// assert(strings[1] == "123");
+// assert(strings[2] == "???");
+//
+template <typename T, std::size_t N>
+class StaticVector final : ArrayTraits<T>,
+ ArrayIterators<StaticVector<T, N>, T>,
+ ArrayComparators<StaticVector> {
+ static_assert(N > 0);
+
+ using ArrayTraits<T>::construct_at;
+
+ using Iter = ArrayIterators<StaticVector, T>;
+ friend Iter;
+
+ // There is ambiguity when constructing from two iterator-like elements like pointers:
+ // they could be an iterator range, or arguments for in-place construction. Assume the
+ // latter unless they are input iterators and cannot be used to construct elements. If
+ // the former is intended, the caller can pass an IteratorRangeTag to disambiguate.
+ template <typename I, typename Traits = std::iterator_traits<I>>
+ using is_input_iterator =
+ std::conjunction<std::is_base_of<std::input_iterator_tag, typename Traits::iterator_category>,
+ std::negation<std::is_constructible<T, I>>>;
+
+ public:
+ FTL_ARRAY_TRAIT(T, value_type);
+ FTL_ARRAY_TRAIT(T, size_type);
+ FTL_ARRAY_TRAIT(T, difference_type);
+
+ FTL_ARRAY_TRAIT(T, pointer);
+ FTL_ARRAY_TRAIT(T, reference);
+ FTL_ARRAY_TRAIT(T, iterator);
+ FTL_ARRAY_TRAIT(T, reverse_iterator);
+
+ FTL_ARRAY_TRAIT(T, const_pointer);
+ FTL_ARRAY_TRAIT(T, const_reference);
+ FTL_ARRAY_TRAIT(T, const_iterator);
+ FTL_ARRAY_TRAIT(T, const_reverse_iterator);
+
+ // Creates an empty vector.
+ StaticVector() = default;
+
+ // Copies and moves a vector, respectively.
+ StaticVector(const StaticVector& other)
+ : StaticVector(kIteratorRange, other.begin(), other.end()) {}
+
+ StaticVector(StaticVector&& other) { swap<true>(other); }
+
+ // Copies at most N elements from a smaller convertible vector.
+ template <typename U, std::size_t M, typename = std::enable_if_t<M <= N>>
+ StaticVector(const StaticVector<U, M>& other)
+ : StaticVector(kIteratorRange, other.begin(), other.end()) {}
+
+ // Copies at most N elements from an array.
+ template <typename U, std::size_t M>
+ explicit StaticVector(U (&array)[M])
+ : StaticVector(kIteratorRange, std::begin(array), std::end(array)) {}
+
+ // Copies at most N elements from the range [first, last).
+ //
+ // IteratorRangeTag disambiguates with initialization from two iterator-like elements.
+ //
+ template <typename Iterator, typename = std::enable_if_t<is_input_iterator<Iterator>{}>>
+ StaticVector(Iterator first, Iterator last) : StaticVector(kIteratorRange, first, last) {
+ using V = typename std::iterator_traits<Iterator>::value_type;
+ static_assert(std::is_constructible_v<value_type, V>, "Incompatible iterator range");
+ }
+
+ template <typename Iterator>
+ StaticVector(IteratorRangeTag, Iterator first, Iterator last)
+ : size_(std::min(max_size(), static_cast<size_type>(std::distance(first, last)))) {
+ std::uninitialized_copy(first, first + size_, begin());
+ }
+
+ // Constructs at most N elements. The template arguments T and N are inferred using the
+ // deduction guide defined below. Note that T is determined from the first element, and
+ // subsequent elements must have convertible types:
+ //
+ // ftl::StaticVector vector = {1, 2, 3};
+ // static_assert(std::is_same_v<decltype(vector), ftl::StaticVector<int, 3>>);
+ //
+ // const auto copy = "quince"s;
+ // auto move = "tart"s;
+ // ftl::StaticVector vector = {copy, std::move(move)};
+ //
+ // static_assert(std::is_same_v<decltype(vector), ftl::StaticVector<std::string, 2>>);
+ //
+ template <typename E, typename... Es,
+ typename = std::enable_if_t<std::is_constructible_v<value_type, E>>>
+ StaticVector(E&& element, Es&&... elements)
+ : StaticVector(std::index_sequence<0>{}, std::forward<E>(element),
+ std::forward<Es>(elements)...) {
+ static_assert(sizeof...(elements) < N, "Too many elements");
+ }
+
+ // Constructs at most N elements in place by forwarding per-element constructor arguments. The
+ // template arguments T and N are inferred using the deduction guide defined below. The syntax
+ // for listing arguments is as follows:
+ //
+ // ftl::StaticVector vector = ftl::init::list<std::string>("abc")()(3u, '?');
+ //
+ // static_assert(std::is_same_v<decltype(vector), ftl::StaticVector<std::string, 3>>);
+ // assert(vector.full());
+ // assert(vector[0] == "abc");
+ // assert(vector[1].empty());
+ // assert(vector[2] == "???");
+ //
+ template <typename U, std::size_t Size, std::size_t... Sizes, typename... Types>
+ StaticVector(InitializerList<U, std::index_sequence<Size, Sizes...>, Types...>&& list)
+ : StaticVector(std::index_sequence<0, 0, Size>{}, std::make_index_sequence<Size>{},
+ std::index_sequence<Sizes...>{}, list.tuple) {}
+
+ ~StaticVector() { std::destroy(begin(), end()); }
+
+ StaticVector& operator=(const StaticVector& other) {
+ StaticVector copy(other);
+ swap(copy);
+ return *this;
+ }
+
+ StaticVector& operator=(StaticVector&& other) {
+ std::destroy(begin(), end());
+ size_ = 0;
+ swap<true>(other);
+ return *this;
+ }
+
+ // IsEmpty enables a fast path when the vector is known to be empty at compile time.
+ template <bool IsEmpty = false>
+ void swap(StaticVector&);
+
+ static constexpr size_type max_size() { return N; }
+ size_type size() const { return size_; }
+
+ bool empty() const { return size() == 0; }
+ bool full() const { return size() == max_size(); }
+
+ iterator begin() { return std::launder(reinterpret_cast<pointer>(data_)); }
+ iterator end() { return begin() + size(); }
+
+ using Iter::begin;
+ using Iter::end;
+
+ using Iter::cbegin;
+ using Iter::cend;
+
+ using Iter::rbegin;
+ using Iter::rend;
+
+ using Iter::crbegin;
+ using Iter::crend;
+
+ using Iter::last;
+
+ using Iter::back;
+ using Iter::front;
+
+ using Iter::operator[];
+
+ // Replaces an element, and returns a reference to it. The iterator must be dereferenceable, so
+ // replacing at end() is erroneous.
+ //
+ // The element is emplaced via move constructor, so type T does not need to define copy/move
+ // assignment, e.g. its data members may be const.
+ //
+ // The arguments may directly or indirectly refer to the element being replaced.
+ //
+ // Iterators to the replaced element point to its replacement, and others remain valid.
+ //
+ template <typename... Args>
+ reference replace(const_iterator it, Args&&... args) {
+ value_type element{std::forward<Args>(args)...};
+ std::destroy_at(it);
+ // This is only safe because exceptions are disabled.
+ return *construct_at(it, std::move(element));
+ }
+
+ // Appends an element, and returns an iterator to it. If the vector is full, the element is not
+ // inserted, and the end() iterator is returned.
+ //
+ // On success, the end() iterator is invalidated.
+ //
+ template <typename... Args>
+ iterator emplace_back(Args&&... args) {
+ if (full()) return end();
+ const iterator it = construct_at(end(), std::forward<Args>(args)...);
+ ++size_;
+ return it;
+ }
+
+ // Appends an element unless the vector is full, and returns whether the element was inserted.
+ //
+ // On success, the end() iterator is invalidated.
+ //
+ bool push_back(const value_type& v) {
+ // Two statements for sequence point.
+ const iterator it = emplace_back(v);
+ return it != end();
+ }
+
+ bool push_back(value_type&& v) {
+ // Two statements for sequence point.
+ const iterator it = emplace_back(std::move(v));
+ return it != end();
+ }
+
+ // Removes the last element. The vector must not be empty, or the call is erroneous.
+ //
+ // The last() and end() iterators are invalidated.
+ //
+ void pop_back() { unstable_erase(last()); }
+
+ // Erases an element, but does not preserve order. Rather than shifting subsequent elements,
+ // this moves the last element to the slot of the erased element.
+ //
+ // The last() and end() iterators, as well as those to the erased element, are invalidated.
+ //
+ void unstable_erase(const_iterator it) {
+ std::destroy_at(it);
+ if (it != last()) {
+ // Move last element and destroy its source for destructor side effects. This is only
+ // safe because exceptions are disabled.
+ construct_at(it, std::move(back()));
+ std::destroy_at(last());
+ }
+ --size_;
+ }
+
+ private:
+ // Recursion for variadic constructor.
+ template <std::size_t I, typename E, typename... Es>
+ StaticVector(std::index_sequence<I>, E&& element, Es&&... elements)
+ : StaticVector(std::index_sequence<I + 1>{}, std::forward<Es>(elements)...) {
+ construct_at(begin() + I, std::forward<E>(element));
+ }
+
+ // Base case for variadic constructor.
+ template <std::size_t I>
+ explicit StaticVector(std::index_sequence<I>) : size_(I) {}
+
+ // Recursion for in-place constructor.
+ //
+ // Construct element I by extracting its arguments from the InitializerList tuple. ArgIndex
+ // is the position of its first argument in Args, and ArgCount is the number of arguments.
+ // The Indices sequence corresponds to [0, ArgCount).
+ //
+ // The Sizes sequence lists the argument counts for elements after I, so Size is the ArgCount
+ // for the next element. The recursion stops when Sizes is empty for the last element.
+ //
+ template <std::size_t I, std::size_t ArgIndex, std::size_t ArgCount, std::size_t... Indices,
+ std::size_t Size, std::size_t... Sizes, typename... Args>
+ StaticVector(std::index_sequence<I, ArgIndex, ArgCount>, std::index_sequence<Indices...>,
+ std::index_sequence<Size, Sizes...>, std::tuple<Args...>& tuple)
+ : StaticVector(std::index_sequence<I + 1, ArgIndex + ArgCount, Size>{},
+ std::make_index_sequence<Size>{}, std::index_sequence<Sizes...>{}, tuple) {
+ construct_at(begin() + I, std::move(std::get<ArgIndex + Indices>(tuple))...);
+ }
+
+ // Base case for in-place constructor.
+ template <std::size_t I, std::size_t ArgIndex, std::size_t ArgCount, std::size_t... Indices,
+ typename... Args>
+ StaticVector(std::index_sequence<I, ArgIndex, ArgCount>, std::index_sequence<Indices...>,
+ std::index_sequence<>, std::tuple<Args...>& tuple)
+ : size_(I + 1) {
+ construct_at(begin() + I, std::move(std::get<ArgIndex + Indices>(tuple))...);
+ }
+
+ size_type size_ = 0;
+ std::aligned_storage_t<sizeof(value_type), alignof(value_type)> data_[N];
+};
+
+// Deduction guide for array constructor.
+template <typename T, std::size_t N>
+StaticVector(T (&)[N]) -> StaticVector<std::remove_cv_t<T>, N>;
+
+// Deduction guide for variadic constructor.
+template <typename T, typename... Us, typename V = std::decay_t<T>,
+ typename = std::enable_if_t<(std::is_constructible_v<V, Us> && ...)>>
+StaticVector(T&&, Us&&...) -> StaticVector<V, 1 + sizeof...(Us)>;
+
+// Deduction guide for in-place constructor.
+template <typename T, std::size_t... Sizes, typename... Types>
+StaticVector(InitializerList<T, std::index_sequence<Sizes...>, Types...>&&)
+ -> StaticVector<T, sizeof...(Sizes)>;
+
+template <typename T, std::size_t N>
+template <bool IsEmpty>
+void StaticVector<T, N>::swap(StaticVector& other) {
+ auto [to, from] = std::make_pair(this, &other);
+ if (from == this) return;
+
+ // Assume this vector has fewer elements, so the excess of the other vector will be moved to it.
+ auto [min, max] = std::make_pair(size(), other.size());
+
+ // No elements to swap if moving into an empty vector.
+ if constexpr (IsEmpty) {
+ assert(min == 0);
+ } else {
+ if (min > max) {
+ std::swap(from, to);
+ std::swap(min, max);
+ }
+
+ // Swap elements [0, min).
+ std::swap_ranges(begin(), begin() + min, other.begin());
+
+ // No elements to move if sizes are equal.
+ if (min == max) return;
+ }
+
+ // Move elements [min, max) and destroy their source for destructor side effects.
+ const auto [first, last] = std::make_pair(from->begin() + min, from->begin() + max);
+ std::uninitialized_move(first, last, to->begin() + min);
+ std::destroy(first, last);
+
+ std::swap(size_, other.size_);
+}
+
+template <typename T, std::size_t N>
+inline void swap(StaticVector<T, N>& lhs, StaticVector<T, N>& rhs) {
+ lhs.swap(rhs);
+}
+
+} // namespace android::ftl
diff --git a/include/input/InputDevice.h b/include/input/InputDevice.h
index 60638ca..23692e9 100644
--- a/include/input/InputDevice.h
+++ b/include/input/InputDevice.h
@@ -17,8 +17,10 @@
#ifndef _LIBINPUT_INPUT_DEVICE_H
#define _LIBINPUT_INPUT_DEVICE_H
+#include <android/sensor.h>
#include <input/Input.h>
#include <input/KeyCharacterMap.h>
+#include <unordered_map>
#include <vector>
namespace android {
@@ -63,6 +65,97 @@
std::string getCanonicalName() const;
};
+/* Types of input device sensors. Keep sync with core/java/android/hardware/Sensor.java */
+enum class InputDeviceSensorType : int32_t {
+ ACCELEROMETER = ASENSOR_TYPE_ACCELEROMETER,
+ MAGNETIC_FIELD = ASENSOR_TYPE_MAGNETIC_FIELD,
+ ORIENTATION = 3,
+ GYROSCOPE = ASENSOR_TYPE_GYROSCOPE,
+ LIGHT = ASENSOR_TYPE_LIGHT,
+ PRESSURE = ASENSOR_TYPE_PRESSURE,
+ TEMPERATURE = 7,
+ PROXIMITY = ASENSOR_TYPE_PROXIMITY,
+ GRAVITY = ASENSOR_TYPE_GRAVITY,
+ LINEAR_ACCELERATION = ASENSOR_TYPE_LINEAR_ACCELERATION,
+ ROTATION_VECTOR = ASENSOR_TYPE_ROTATION_VECTOR,
+ RELATIVE_HUMIDITY = ASENSOR_TYPE_RELATIVE_HUMIDITY,
+ AMBIENT_TEMPERATURE = ASENSOR_TYPE_AMBIENT_TEMPERATURE,
+ MAGNETIC_FIELD_UNCALIBRATED = ASENSOR_TYPE_MAGNETIC_FIELD_UNCALIBRATED,
+ GAME_ROTATION_VECTOR = ASENSOR_TYPE_GAME_ROTATION_VECTOR,
+ GYROSCOPE_UNCALIBRATED = ASENSOR_TYPE_GYROSCOPE_UNCALIBRATED,
+ SIGNIFICANT_MOTION = ASENSOR_TYPE_SIGNIFICANT_MOTION,
+};
+
+enum class InputDeviceSensorAccuracy : int32_t {
+ ACCURACY_NONE = 0,
+ ACCURACY_LOW = 1,
+ ACCURACY_MEDIUM = 2,
+ ACCURACY_HIGH = 3,
+};
+
+enum class InputDeviceSensorReportingMode : int32_t {
+ CONTINUOUS = 0,
+ ON_CHANGE = 1,
+ ONE_SHOT = 2,
+ SPECIAL_TRIGGER = 3,
+};
+
+struct InputDeviceSensorInfo {
+ explicit InputDeviceSensorInfo(std::string name, std::string vendor, int32_t version,
+ InputDeviceSensorType type, InputDeviceSensorAccuracy accuracy,
+ float maxRange, float resolution, float power, int32_t minDelay,
+ int32_t fifoReservedEventCount, int32_t fifoMaxEventCount,
+ std::string stringType, int32_t maxDelay, int32_t flags,
+ int32_t id)
+ : name(name),
+ vendor(vendor),
+ version(version),
+ type(type),
+ accuracy(accuracy),
+ maxRange(maxRange),
+ resolution(resolution),
+ power(power),
+ minDelay(minDelay),
+ fifoReservedEventCount(fifoReservedEventCount),
+ fifoMaxEventCount(fifoMaxEventCount),
+ stringType(stringType),
+ maxDelay(maxDelay),
+ flags(flags),
+ id(id) {}
+ // Name string of the sensor.
+ std::string name;
+ // Vendor string of this sensor.
+ std::string vendor;
+ // Version of the sensor's module.
+ int32_t version;
+ // Generic type of this sensor.
+ InputDeviceSensorType type;
+ // The current accuracy of sensor event.
+ InputDeviceSensorAccuracy accuracy;
+ // Maximum range of the sensor in the sensor's unit.
+ float maxRange;
+ // Resolution of the sensor in the sensor's unit.
+ float resolution;
+ // The power in mA used by this sensor while in use.
+ float power;
+ // The minimum delay allowed between two events in microsecond or zero if this sensor only
+ // returns a value when the data it's measuring changes.
+ int32_t minDelay;
+ // Number of events reserved for this sensor in the batch mode FIFO.
+ int32_t fifoReservedEventCount;
+ // Maximum number of events of this sensor that could be batched.
+ int32_t fifoMaxEventCount;
+ // The type of this sensor as a string.
+ std::string stringType;
+ // The delay between two sensor events corresponding to the lowest frequency that this sensor
+ // supports.
+ int32_t maxDelay;
+ // Sensor flags
+ int32_t flags;
+ // Sensor id, same as the input device ID it belongs to.
+ int32_t id;
+};
+
/*
* Describes the characteristics and capabilities of an input device.
*/
@@ -104,6 +197,7 @@
void addMotionRange(int32_t axis, uint32_t source,
float min, float max, float flat, float fuzz, float resolution);
void addMotionRange(const MotionRange& range);
+ void addSensorInfo(const InputDeviceSensorInfo& info);
inline void setKeyboardType(int32_t keyboardType) { mKeyboardType = keyboardType; }
inline int32_t getKeyboardType() const { return mKeyboardType; }
@@ -122,10 +216,17 @@
inline void setButtonUnderPad(bool hasButton) { mHasButtonUnderPad = hasButton; }
inline bool hasButtonUnderPad() const { return mHasButtonUnderPad; }
+ inline void setHasSensor(bool hasSensor) { mHasSensor = hasSensor; }
+ inline bool hasSensor() const { return mHasSensor; }
+
inline const std::vector<MotionRange>& getMotionRanges() const {
return mMotionRanges;
}
+ const InputDeviceSensorInfo* getSensorInfo(InputDeviceSensorType type);
+
+ const std::vector<InputDeviceSensorType> getSensorTypes();
+
private:
int32_t mId;
int32_t mGeneration;
@@ -139,8 +240,10 @@
std::shared_ptr<KeyCharacterMap> mKeyCharacterMap;
bool mHasVibrator;
bool mHasButtonUnderPad;
+ bool mHasSensor;
std::vector<MotionRange> mMotionRanges;
+ std::unordered_map<InputDeviceSensorType, InputDeviceSensorInfo> mSensors;
};
/* Types of input device configuration files. */
diff --git a/include/input/KeyCharacterMap.h b/include/input/KeyCharacterMap.h
index 23f8ddf..451ca3c 100644
--- a/include/input/KeyCharacterMap.h
+++ b/include/input/KeyCharacterMap.h
@@ -142,6 +142,8 @@
void writeToParcel(Parcel* parcel) const;
#endif
+ bool operator==(const KeyCharacterMap& other) const;
+
KeyCharacterMap(const KeyCharacterMap& other);
virtual ~KeyCharacterMap();
diff --git a/include/input/KeyLayoutMap.h b/include/input/KeyLayoutMap.h
index 872dd45..b2bd535 100644
--- a/include/input/KeyLayoutMap.h
+++ b/include/input/KeyLayoutMap.h
@@ -24,6 +24,8 @@
#include <utils/RefBase.h>
#include <utils/Tokenizer.h>
+#include <input/InputDevice.h>
+
namespace android {
struct AxisInfo {
@@ -76,6 +78,8 @@
status_t mapAxis(int32_t scanCode, AxisInfo* outAxisInfo) const;
const std::string getLoadFileName() const;
+ // Return pair of sensor type and sensor data index, for the input device abs code
+ base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(int32_t absCode);
virtual ~KeyLayoutMap();
@@ -89,12 +93,17 @@
int32_t ledCode;
};
+ struct Sensor {
+ InputDeviceSensorType sensorType;
+ int32_t sensorDataIndex;
+ };
KeyedVector<int32_t, Key> mKeysByScanCode;
KeyedVector<int32_t, Key> mKeysByUsageCode;
KeyedVector<int32_t, AxisInfo> mAxes;
KeyedVector<int32_t, Led> mLedsByScanCode;
KeyedVector<int32_t, Led> mLedsByUsageCode;
+ std::unordered_map<int32_t, Sensor> mSensorsByAbsCode;
std::string mLoadFileName;
KeyLayoutMap();
@@ -114,6 +123,7 @@
status_t parseKey();
status_t parseAxis();
status_t parseLed();
+ status_t parseSensor();
};
};
diff --git a/libs/binder/Android.bp b/libs/binder/Android.bp
index 36af49a..feaea63 100644
--- a/libs/binder/Android.bp
+++ b/libs/binder/Android.bp
@@ -180,6 +180,14 @@
],
tidy_checks_as_errors: [
"*",
+ "-clang-analyzer-core.CallAndMessage",
+ "-clang-analyzer-core.uninitialized.Assign",
+ "-clang-analyzer-unix.Malloc,",
+ "-clang-analyzer-deadcode.DeadStores",
+ "-clang-analyzer-optin.cplusplus.UninitializedObject",
+ "-misc-no-recursion",
+ "-misc-redundant-expression",
+ "-misc-unused-using-decls",
],
}
diff --git a/libs/binder/IPCThreadState.cpp b/libs/binder/IPCThreadState.cpp
index d4c7acf..7d01e0b 100644
--- a/libs/binder/IPCThreadState.cpp
+++ b/libs/binder/IPCThreadState.cpp
@@ -1248,10 +1248,22 @@
constexpr uint32_t kForwardReplyFlags = TF_CLEAR_BUF;
sendReply(reply, (tr.flags & kForwardReplyFlags));
} else {
- if (error != OK || reply.dataSize() != 0) {
- alog << "oneway function results will be dropped but finished with status "
- << statusToString(error)
- << " and parcel size " << reply.dataSize() << endl;
+ if (error != OK) {
+ alog << "oneway function results for code " << tr.code
+ << " on binder at "
+ << reinterpret_cast<void*>(tr.target.ptr)
+ << " will be dropped but finished with status "
+ << statusToString(error);
+
+ // ideally we could log this even when error == OK, but it
+ // causes too much logspam because some manually-written
+ // interfaces have clients that call methods which always
+ // write results, sometimes as oneway methods.
+ if (reply.dataSize() != 0) {
+ alog << " and reply parcel size " << reply.dataSize();
+ }
+
+ alog << endl;
}
LOG_ONEWAY("NOT sending reply to %d!", mCallingPid);
}
diff --git a/libs/binder/Parcel.cpp b/libs/binder/Parcel.cpp
index 91e465f..b90cc27 100644
--- a/libs/binder/Parcel.cpp
+++ b/libs/binder/Parcel.cpp
@@ -206,7 +206,7 @@
if (proxy == nullptr) {
ALOGE("null proxy");
}
- const int32_t handle = proxy ? proxy->handle() : 0;
+ const int32_t handle = proxy ? proxy->getPrivateAccessorForHandle().handle() : 0;
obj.hdr.type = BINDER_TYPE_HANDLE;
obj.binder = 0; /* Don't pass uninitialized stack data to a remote process */
obj.handle = handle;
diff --git a/libs/binder/ProcessState.cpp b/libs/binder/ProcessState.cpp
index 9aedf28..6f26450 100644
--- a/libs/binder/ProcessState.cpp
+++ b/libs/binder/ProcessState.cpp
@@ -204,11 +204,11 @@
// that the handle points to. Can only be used by the servicemanager.
//
// Returns -1 in case of failure, otherwise the strong reference count.
-ssize_t ProcessState::getStrongRefCountForNodeByHandle(int32_t handle) {
+ssize_t ProcessState::getStrongRefCountForNode(const sp<BpBinder>& binder) {
binder_node_info_for_ref info;
memset(&info, 0, sizeof(binder_node_info_for_ref));
- info.handle = handle;
+ info.handle = binder->getPrivateAccessorForHandle().handle();
status_t result = ioctl(mDriverFD, BINDER_GET_NODE_INFO_FOR_REF, &info);
diff --git a/libs/binder/include/binder/AppOpsManager.h b/libs/binder/include/binder/AppOpsManager.h
index 35c697e..f1085cf 100644
--- a/libs/binder/include/binder/AppOpsManager.h
+++ b/libs/binder/include/binder/AppOpsManager.h
@@ -136,7 +136,9 @@
OP_PHONE_CALL_MICROPHONE = 100,
OP_PHONE_CALL_CAMERA = 101,
OP_RECORD_AUDIO_HOTWORD = 102,
- _NUM_OP = 103
+ // Ops 103-105 are currently unused in native, and intentionally omitted
+ OP_RECORD_AUDIO_OUTPUT = 106,
+ _NUM_OP = 107
};
AppOpsManager();
diff --git a/libs/binder/include/binder/BpBinder.h b/libs/binder/include/binder/BpBinder.h
index 2735315..22300ac 100644
--- a/libs/binder/include/binder/BpBinder.h
+++ b/libs/binder/include/binder/BpBinder.h
@@ -29,6 +29,7 @@
namespace internal {
class Stability;
}
+class ProcessState;
using binder_proxy_limit_callback = void(*)(int);
@@ -37,8 +38,6 @@
public:
static BpBinder* create(int32_t handle);
- int32_t handle() const;
-
virtual const String16& getInterfaceDescriptor() const;
virtual bool isBinderAlive() const;
virtual status_t pingBinder();
@@ -109,7 +108,23 @@
KeyedVector<const void*, entry_t> mObjects;
};
+ class PrivateAccessorForHandle {
+ private:
+ friend BpBinder;
+ friend ::android::Parcel;
+ friend ::android::ProcessState;
+ explicit PrivateAccessorForHandle(const BpBinder* binder) : mBinder(binder) {}
+ int32_t handle() const { return mBinder->handle(); }
+ const BpBinder* mBinder;
+ };
+ const PrivateAccessorForHandle getPrivateAccessorForHandle() const {
+ return PrivateAccessorForHandle(this);
+ }
+
private:
+ friend PrivateAccessorForHandle;
+
+ int32_t handle() const;
BpBinder(int32_t handle,int32_t trackedUid);
virtual ~BpBinder();
virtual void onFirstRef();
diff --git a/libs/binder/include/binder/Parcel.h b/libs/binder/include/binder/Parcel.h
index 9f5260a..b49951b 100644
--- a/libs/binder/include/binder/Parcel.h
+++ b/libs/binder/include/binder/Parcel.h
@@ -504,9 +504,6 @@
const binder_size_t* objects, size_t objectsCount,
release_func relFunc);
- Parcel(const Parcel& o);
- Parcel& operator=(const Parcel& o);
-
status_t finishWrite(size_t len);
void releaseObjects();
void acquireObjects();
diff --git a/libs/binder/include/binder/ProcessState.h b/libs/binder/include/binder/ProcessState.h
index 46457cd..bab6469 100644
--- a/libs/binder/include/binder/ProcessState.h
+++ b/libs/binder/include/binder/ProcessState.h
@@ -70,7 +70,7 @@
// 2. Temporary strong references held by the kernel during a
// transaction on the node.
// It does NOT include local strong references to the node
- ssize_t getStrongRefCountForNodeByHandle(int32_t handle);
+ ssize_t getStrongRefCountForNode(const sp<BpBinder>& binder);
enum class CallRestriction {
// all calls okay
diff --git a/libs/binder/ndk/Android.bp b/libs/binder/ndk/Android.bp
index a57beee..bdb74dc 100644
--- a/libs/binder/ndk/Android.bp
+++ b/libs/binder/ndk/Android.bp
@@ -105,6 +105,14 @@
],
tidy_checks_as_errors: [
"*",
+ "-clang-analyzer-core.CallAndMessage",
+ "-clang-analyzer-core.uninitialized.Assign",
+ "-clang-analyzer-unix.Malloc,",
+ "-clang-analyzer-deadcode.DeadStores",
+ "-clang-analyzer-optin.cplusplus.UninitializedObject",
+ "-misc-no-recursion",
+ "-misc-redundant-expression",
+ "-misc-unused-using-decls",
],
}
diff --git a/libs/binder/ndk/include_cpp/android/binder_auto_utils.h b/libs/binder/ndk/include_cpp/android/binder_auto_utils.h
index 04167f7..c44a24b 100644
--- a/libs/binder/ndk/include_cpp/android/binder_auto_utils.h
+++ b/libs/binder/ndk/include_cpp/android/binder_auto_utils.h
@@ -32,6 +32,14 @@
#include <assert.h>
+// defined differently by liblog
+#pragma push_macro("LOG_PRI")
+#ifdef LOG_PRI
+#undef LOG_PRI
+#endif
+#include <syslog.h>
+#pragma pop_macro("LOG_PRI")
+
#include <unistd.h>
#include <cstddef>
#include <string>
@@ -130,7 +138,7 @@
/**
* This baseclass owns a single object, used to make various classes RAII.
*/
-template <typename T, typename R, R (*Destroy)(T), T DEFAULT>
+template <typename T, void (*Destroy)(T), T DEFAULT>
class ScopedAResource {
public:
/**
@@ -198,7 +206,7 @@
/**
* Convenience wrapper. See AParcel.
*/
-class ScopedAParcel : public impl::ScopedAResource<AParcel*, void, AParcel_delete, nullptr> {
+class ScopedAParcel : public impl::ScopedAResource<AParcel*, AParcel_delete, nullptr> {
public:
/**
* Takes ownership of a.
@@ -219,7 +227,7 @@
/**
* Convenience wrapper. See AStatus.
*/
-class ScopedAStatus : public impl::ScopedAResource<AStatus*, void, AStatus_delete, nullptr> {
+class ScopedAStatus : public impl::ScopedAResource<AStatus*, AStatus_delete, nullptr> {
public:
/**
* Takes ownership of a.
@@ -291,7 +299,7 @@
* Convenience wrapper. See AIBinder_DeathRecipient.
*/
class ScopedAIBinder_DeathRecipient
- : public impl::ScopedAResource<AIBinder_DeathRecipient*, void, AIBinder_DeathRecipient_delete,
+ : public impl::ScopedAResource<AIBinder_DeathRecipient*, AIBinder_DeathRecipient_delete,
nullptr> {
public:
/**
@@ -308,7 +316,7 @@
* Convenience wrapper. See AIBinder_Weak.
*/
class ScopedAIBinder_Weak
- : public impl::ScopedAResource<AIBinder_Weak*, void, AIBinder_Weak_delete, nullptr> {
+ : public impl::ScopedAResource<AIBinder_Weak*, AIBinder_Weak_delete, nullptr> {
public:
/**
* Takes ownership of a.
@@ -324,10 +332,22 @@
SpAIBinder promote() { return SpAIBinder(AIBinder_Weak_promote(get())); }
};
+namespace internal {
+
+static void closeWithError(int fd) {
+ if (fd == -1) return;
+ int ret = close(fd);
+ if (ret != 0) {
+ syslog(LOG_ERR, "Could not close FD %d: %s", fd, strerror(errno));
+ }
+}
+
+} // namespace internal
+
/**
* Convenience wrapper for a file descriptor.
*/
-class ScopedFileDescriptor : public impl::ScopedAResource<int, int, close, -1> {
+class ScopedFileDescriptor : public impl::ScopedAResource<int, internal::closeWithError, -1> {
public:
/**
* Takes ownership of a.
diff --git a/libs/binder/rust/src/lib.rs b/libs/binder/rust/src/lib.rs
index 8ee6a62..edfb56a 100644
--- a/libs/binder/rust/src/lib.rs
+++ b/libs/binder/rust/src/lib.rs
@@ -122,7 +122,7 @@
pub use super::parcel::ParcelFileDescriptor;
pub use super::{add_service, get_interface};
pub use super::{
- ExceptionCode, Interface, ProcessState, SpIBinder, Status, StatusCode,
+ ExceptionCode, Interface, ProcessState, SpIBinder, Status, StatusCode, WpIBinder,
};
/// Binder result containing a [`Status`] on error.
diff --git a/libs/binder/rust/src/proxy.rs b/libs/binder/rust/src/proxy.rs
index 485bb42..17af099 100644
--- a/libs/binder/rust/src/proxy.rs
+++ b/libs/binder/rust/src/proxy.rs
@@ -102,6 +102,11 @@
class.as_ref().map(|p| InterfaceClass::from_ptr(p))
}
}
+
+ /// Creates a new weak reference to this binder object.
+ pub fn downgrade(&mut self) -> WpIBinder {
+ WpIBinder::new(self)
+ }
}
/// An object that can be associate with an [`InterfaceClass`].
@@ -370,15 +375,25 @@
/// A weak reference to a Binder remote object.
///
-/// This struct encapsulates the C++ `wp<IBinder>` class. However, this wrapper
-/// is untyped, so properly typed versions implementing a particular binder
-/// interface should be crated with [`declare_binder_interface!`].
+/// This struct encapsulates the generic C++ `wp<IBinder>` class. This wrapper
+/// is untyped; typed interface access is implemented by the AIDL compiler.
pub struct WpIBinder(*mut sys::AIBinder_Weak);
+impl fmt::Debug for WpIBinder {
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+ f.pad("WpIBinder")
+ }
+}
+
+/// # Safety
+///
+/// A `WpIBinder` is a handle to a C++ IBinder, which is thread-safe.
+unsafe impl Send for WpIBinder {}
+
impl WpIBinder {
/// Create a new weak reference from an object that can be converted into a
/// raw `AIBinder` pointer.
- pub fn new<B: AsNative<sys::AIBinder>>(binder: &mut B) -> WpIBinder {
+ fn new<B: AsNative<sys::AIBinder>>(binder: &mut B) -> WpIBinder {
let ptr = unsafe {
// Safety: `SpIBinder` guarantees that `binder` always contains a
// valid pointer to an `AIBinder`.
@@ -401,6 +416,16 @@
}
}
+impl Drop for WpIBinder {
+ fn drop(&mut self) {
+ unsafe {
+ // Safety: WpIBinder always holds a valid `AIBinder_Weak` pointer, so we
+ // know this pointer is safe to pass to `AIBinder_Weak_delete` here.
+ sys::AIBinder_Weak_delete(self.0);
+ }
+ }
+}
+
/// Rust wrapper around DeathRecipient objects.
#[repr(C)]
pub struct DeathRecipient {
diff --git a/libs/binder/tests/binderLibTest.cpp b/libs/binder/tests/binderLibTest.cpp
index 0f7d159..a5261e5 100644
--- a/libs/binder/tests/binderLibTest.cpp
+++ b/libs/binder/tests/binderLibTest.cpp
@@ -404,6 +404,13 @@
EXPECT_EQ(NO_ERROR, ret);
}
+TEST_F(BinderLibTest, NopTransactionOneway) {
+ status_t ret;
+ Parcel data, reply;
+ ret = m_server->transact(BINDER_LIB_TEST_NOP_TRANSACTION, data, &reply, TF_ONE_WAY);
+ EXPECT_EQ(NO_ERROR, ret);
+}
+
TEST_F(BinderLibTest, NopTransactionClear) {
status_t ret;
Parcel data, reply;
@@ -1182,9 +1189,6 @@
virtual status_t onTransact(uint32_t code,
const Parcel& data, Parcel* reply,
uint32_t flags = 0) {
- //printf("%s: code %d\n", __func__, code);
- (void)flags;
-
if (getuid() != (uid_t)IPCThreadState::self()->getCallingUid()) {
return PERMISSION_DENIED;
}
@@ -1258,8 +1262,12 @@
return NO_ERROR;
case BINDER_LIB_TEST_NOP_TRANSACTION_WAIT:
usleep(5000);
- return NO_ERROR;
+ [[fallthrough]];
case BINDER_LIB_TEST_NOP_TRANSACTION:
+ // oneway error codes should be ignored
+ if (flags & TF_ONE_WAY) {
+ return UNKNOWN_ERROR;
+ }
return NO_ERROR;
case BINDER_LIB_TEST_DELAYED_CALL_BACK: {
// Note: this transaction is only designed for use with a
diff --git a/libs/binder/tests/fuzzers/BpBinderFuzzFunctions.h b/libs/binder/tests/fuzzers/BpBinderFuzzFunctions.h
index c685b41..6ca0e2f 100644
--- a/libs/binder/tests/fuzzers/BpBinderFuzzFunctions.h
+++ b/libs/binder/tests/fuzzers/BpBinderFuzzFunctions.h
@@ -48,9 +48,7 @@
static const std::vector<std::function<void(FuzzedDataProvider*, const sp<BpBinder>&,
const sp<IBinder::DeathRecipient>&)>>
gBPBinderOperations =
- {[](FuzzedDataProvider*, const sp<BpBinder>& bpbinder,
- const sp<IBinder::DeathRecipient>&) -> void { bpbinder->handle(); },
- [](FuzzedDataProvider* fdp, const sp<BpBinder>& bpbinder,
+ {[](FuzzedDataProvider* fdp, const sp<BpBinder>& bpbinder,
const sp<IBinder::DeathRecipient>& s_recipient) -> void {
// Clean up possible leftover memory.
wp<IBinder::DeathRecipient> outRecipient(nullptr);
diff --git a/libs/binderdebug/Android.bp b/libs/binderdebug/Android.bp
new file mode 100644
index 0000000..343246a
--- /dev/null
+++ b/libs/binderdebug/Android.bp
@@ -0,0 +1,28 @@
+// Copyright (C) 2020 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.
+
+cc_library {
+ name: "libbinderdebug",
+ vendor_available: true,
+ shared_libs: [
+ "libbase",
+ "libbinder",
+ ],
+ srcs: [
+ "BinderDebug.cpp",
+ ],
+ export_include_dirs: [
+ "include",
+ ],
+}
diff --git a/libs/binderdebug/BinderDebug.cpp b/libs/binderdebug/BinderDebug.cpp
new file mode 100644
index 0000000..b435dba
--- /dev/null
+++ b/libs/binderdebug/BinderDebug.cpp
@@ -0,0 +1,119 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <android-base/parseint.h>
+#include <android-base/strings.h>
+#include <binder/Binder.h>
+#include <sys/types.h>
+#include <fstream>
+#include <regex>
+
+#include <binderdebug/BinderDebug.h>
+
+namespace android {
+
+static std::string contextToString(BinderDebugContext context) {
+ switch (context) {
+ case BinderDebugContext::BINDER:
+ return "binder";
+ case BinderDebugContext::HWBINDER:
+ return "hwbinder";
+ case BinderDebugContext::VNDBINDER:
+ return "vndbinder";
+ default:
+ return std::string();
+ }
+}
+
+static status_t scanBinderContext(pid_t pid, const std::string& contextName,
+ std::function<void(const std::string&)> eachLine) {
+ std::ifstream ifs("/dev/binderfs/binder_logs/proc/" + std::to_string(pid));
+ if (!ifs.is_open()) {
+ ifs.open("/d/binder/proc/" + std::to_string(pid));
+ if (!ifs.is_open()) {
+ return -errno;
+ }
+ }
+ static const std::regex kContextLine("^context (\\w+)$");
+
+ bool isDesiredContext = false;
+ std::string line;
+ std::smatch match;
+ while (getline(ifs, line)) {
+ if (std::regex_search(line, match, kContextLine)) {
+ isDesiredContext = match.str(1) == contextName;
+ continue;
+ }
+ if (!isDesiredContext) {
+ continue;
+ }
+ eachLine(line);
+ }
+ return OK;
+}
+
+status_t getBinderPidInfo(BinderDebugContext context, pid_t pid, BinderPidInfo* pidInfo) {
+ std::smatch match;
+ static const std::regex kReferencePrefix("^\\s*node \\d+:\\s+u([0-9a-f]+)\\s+c([0-9a-f]+)\\s+");
+ static const std::regex kThreadPrefix("^\\s*thread \\d+:\\s+l\\s+(\\d)(\\d)");
+ std::string contextStr = contextToString(context);
+ status_t ret = scanBinderContext(pid, contextStr, [&](const std::string& line) {
+ if (std::regex_search(line, match, kReferencePrefix)) {
+ const std::string& ptrString = "0x" + match.str(2); // use number after c
+ uint64_t ptr;
+ if (!::android::base::ParseUint(ptrString.c_str(), &ptr)) {
+ // Should not reach here, but just be tolerant.
+ return;
+ }
+ const std::string proc = " proc ";
+ auto pos = line.rfind(proc);
+ if (pos != std::string::npos) {
+ for (const std::string& pidStr : base::Split(line.substr(pos + proc.size()), " ")) {
+ int32_t pid;
+ if (!::android::base::ParseInt(pidStr, &pid)) {
+ return;
+ }
+ pidInfo->refPids[ptr].push_back(pid);
+ }
+ }
+
+ return;
+ }
+ if (std::regex_search(line, match, kThreadPrefix)) {
+ // "1" is waiting in binder driver
+ // "2" is poll. It's impossible to tell if these are in use.
+ // and HIDL default code doesn't use it.
+ bool isInUse = match.str(1) != "1";
+ // "0" is a thread that has called into binder
+ // "1" is looper thread
+ // "2" is main looper thread
+ bool isBinderThread = match.str(2) != "0";
+ if (!isBinderThread) {
+ return;
+ }
+ if (isInUse) {
+ pidInfo->threadUsage++;
+ }
+
+ pidInfo->threadCount++;
+ return;
+ }
+ return;
+ });
+ return ret;
+}
+
+} // namespace android
diff --git a/libs/binderdebug/TEST_MAPPING b/libs/binderdebug/TEST_MAPPING
new file mode 100644
index 0000000..2f3353e
--- /dev/null
+++ b/libs/binderdebug/TEST_MAPPING
@@ -0,0 +1,7 @@
+{
+ "presubmit": [
+ {
+ "name": "libbinderdebug_test"
+ }
+ ]
+}
diff --git a/libs/binderdebug/include/binderdebug/BinderDebug.h b/libs/binderdebug/include/binderdebug/BinderDebug.h
new file mode 100644
index 0000000..14a0ef3
--- /dev/null
+++ b/libs/binderdebug/include/binderdebug/BinderDebug.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2020 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 <map>
+#include <vector>
+
+namespace android {
+
+struct BinderPidInfo {
+ std::map<uint64_t, std::vector<pid_t>> refPids; // cookie -> processes which hold binder
+ uint32_t threadUsage; // number of threads in use
+ uint32_t threadCount; // number of threads total
+};
+
+enum class BinderDebugContext {
+ BINDER,
+ HWBINDER,
+ VNDBINDER,
+};
+
+status_t getBinderPidInfo(BinderDebugContext context, pid_t pid, BinderPidInfo* pidInfo);
+
+} // namespace android
diff --git a/libs/binderdebug/tests/Android.bp b/libs/binderdebug/tests/Android.bp
new file mode 100644
index 0000000..4c06b1d
--- /dev/null
+++ b/libs/binderdebug/tests/Android.bp
@@ -0,0 +1,30 @@
+// Copyright (C) 2020 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.
+
+cc_test {
+ name: "libbinderdebug_test",
+ test_suites: ["general-tests"],
+ srcs: [
+ "binderdebug_test.cpp",
+ "android/binderdebug/test/IControl.aidl",
+ ],
+ shared_libs: [
+ "libbase",
+ "libbinder",
+ "libutils",
+ ],
+ static_libs: ["libbinderdebug"],
+ cflags: ["-Wall", "-Werror"],
+ require_root: true,
+}
diff --git a/libs/binderdebug/tests/android/binderdebug/test/IControl.aidl b/libs/binderdebug/tests/android/binderdebug/test/IControl.aidl
new file mode 100644
index 0000000..8efeb63
--- /dev/null
+++ b/libs/binderdebug/tests/android/binderdebug/test/IControl.aidl
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+package android.binderdebug.test;
+
+interface IControl {
+ // Notifies the service to continue execution
+ void Continue();
+}
diff --git a/libs/binderdebug/tests/binderdebug_test.cpp b/libs/binderdebug/tests/binderdebug_test.cpp
new file mode 100644
index 0000000..ea799c0
--- /dev/null
+++ b/libs/binderdebug/tests/binderdebug_test.cpp
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2020 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 <binder/Binder.h>
+#include <binder/IServiceManager.h>
+#include <binder/ProcessState.h>
+#include <binder/IPCThreadState.h>
+#include <binderdebug/BinderDebug.h>
+#include <gtest/gtest.h>
+#include <semaphore.h>
+#include <thread>
+
+#include <android/binderdebug/test/BnControl.h>
+#include <android/binderdebug/test/IControl.h>
+
+namespace android {
+namespace binderdebug {
+namespace test {
+
+class Control : public BnControl {
+public:
+ Control() {sem_init(&s, 1, 0);};
+ ::android::binder::Status Continue() override;
+ sem_t s;
+};
+
+::android::binder::Status Control::Continue() {
+ IPCThreadState::self()->flushCommands();
+ sem_post(&s);
+ return binder::Status::ok();
+}
+
+TEST(BinderDebugTests, BinderPid) {
+ BinderPidInfo pidInfo;
+ const auto& status = getBinderPidInfo(BinderDebugContext::BINDER, getpid(), &pidInfo);
+ ASSERT_EQ(status, OK);
+ // There should be one referenced PID for servicemanager
+ EXPECT_TRUE(!pidInfo.refPids.empty());
+}
+
+TEST(BinderDebugTests, BinderThreads) {
+ BinderPidInfo pidInfo;
+ const auto& status = getBinderPidInfo(BinderDebugContext::BINDER, getpid(), &pidInfo);
+ ASSERT_EQ(status, OK);
+ EXPECT_TRUE(pidInfo.threadUsage <= pidInfo.threadCount);
+ // The second looper thread can sometimes take longer to spawn.
+ EXPECT_GE(pidInfo.threadCount, 1);
+}
+
+extern "C" {
+int main(int argc, char** argv) {
+ ::testing::InitGoogleTest(&argc, argv);
+
+ // Create a child/client process to call into the main process so we can ensure
+ // looper thread has been registered before attempting to get the BinderPidInfo
+ pid_t pid = fork();
+ if (pid == 0) {
+ sp<IBinder> binder = android::defaultServiceManager()->getService(String16("binderdebug"));
+ sp<IControl> service;
+ if (binder != nullptr) {
+ service = android::interface_cast<IControl>(binder);
+ }
+ service->Continue();
+ exit(0);
+ }
+ sp<Control> iface = new Control;
+ android::defaultServiceManager()->addService(String16("binderdebug"), iface);
+ android::ProcessState::self()->setThreadPoolMaxThreadCount(8);
+ ProcessState::self()->startThreadPool();
+ sem_wait(&iface->s);
+
+ return RUN_ALL_TESTS();
+}
+} // extern "C"
+} // namespace test
+} // namespace binderdebug
+} // namespace android
diff --git a/libs/ftl/.clang-format b/libs/ftl/.clang-format
new file mode 120000
index 0000000..86b1593
--- /dev/null
+++ b/libs/ftl/.clang-format
@@ -0,0 +1 @@
+../../../../build/soong/scripts/system-clang-format-2
\ No newline at end of file
diff --git a/libs/ftl/Android.bp b/libs/ftl/Android.bp
index eb8e57a..5bccaca 100644
--- a/libs/ftl/Android.bp
+++ b/libs/ftl/Android.bp
@@ -5,9 +5,10 @@
address: true,
},
srcs: [
- "SmallMap_test.cpp",
- "SmallVector_test.cpp",
- "StaticVector_test.cpp",
+ "future_test.cpp",
+ "small_map_test.cpp",
+ "small_vector_test.cpp",
+ "static_vector_test.cpp",
],
cflags: [
"-Wall",
diff --git a/libs/ftl/README.md b/libs/ftl/README.md
new file mode 100644
index 0000000..bdd750f
--- /dev/null
+++ b/libs/ftl/README.md
@@ -0,0 +1,41 @@
+# FTL
+
+FTL is a template library shared by SurfaceFlinger and InputFlinger, inspired by
+and supplementing the C++ Standard Library. The intent is to fill gaps for areas
+not (yet) covered—like cache-efficient data structures and lock-free concurrency
+primitives—and implement proposals that are missing or experimental in Android's
+libc++ branch. The design takes some liberties with standard compliance, notably
+assuming that exceptions are disabled.
+
+## Tests
+
+ atest ftl_test
+
+## Style
+
+- Based on [Google C++ Style](https://google.github.io/styleguide/cppguide.html).
+- Informed by [C++ Core Guidelines](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines).
+
+Naming conventions are as follows:
+
+- `PascalCase`
+ - Types and aliases, except standard interfaces.
+ - Template parameters, including non-type ones.
+- `snake_case`
+ - Variables, and data members with trailing underscore.
+ - Functions, free and member alike.
+ - Type traits, with standard `_t` and `_v` suffixes.
+- `kCamelCase`
+ - Enumerators and `constexpr` constants with static storage duration.
+- `MACRO_CASE`
+ - Macros, with `FTL_` prefix unless `#undef`ed.
+
+Template parameter packs are named with the following convention:
+
+ typename T, typename... Ts
+ typename Arg, typename... Args
+
+ std::size_t I, std::size_t... Is
+ std::size_t Size, std::size_t... Sizes
+
+The `details` namespace contains implementation details.
diff --git a/libs/ftl/SmallMap_test.cpp b/libs/ftl/SmallMap_test.cpp
deleted file mode 100644
index fa00c06..0000000
--- a/libs/ftl/SmallMap_test.cpp
+++ /dev/null
@@ -1,131 +0,0 @@
-/*
- * Copyright 2020 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 <ftl/SmallMap.h>
-#include <gtest/gtest.h>
-
-#include <cctype>
-
-namespace android::test {
-
-using ftl::SmallMap;
-
-// Keep in sync with example usage in header file.
-TEST(SmallMap, Example) {
- ftl::SmallMap<int, std::string, 3> map;
- EXPECT_TRUE(map.empty());
- EXPECT_FALSE(map.dynamic());
-
- map = ftl::init::map<int, std::string>(123, "abc")(-1)(42, 3u, '?');
- EXPECT_EQ(map.size(), 3u);
- EXPECT_FALSE(map.dynamic());
-
- EXPECT_TRUE(map.contains(123));
-
- EXPECT_EQ(map.find(42, [](const std::string& s) { return s.size(); }), 3u);
-
- const auto opt = map.find(-1);
- ASSERT_TRUE(opt);
-
- std::string& ref = *opt;
- EXPECT_TRUE(ref.empty());
- ref = "xyz";
-
- EXPECT_EQ(map, SmallMap(ftl::init::map(-1, "xyz")(42, "???")(123, "abc")));
-}
-
-TEST(SmallMap, Construct) {
- {
- // Default constructor.
- SmallMap<int, std::string, 2> map;
-
- EXPECT_TRUE(map.empty());
- EXPECT_FALSE(map.dynamic());
- }
- {
- // In-place constructor with same types.
- SmallMap<int, std::string, 5> map =
- ftl::init::map<int, std::string>(123, "abc")(456, "def")(789, "ghi");
-
- EXPECT_EQ(map.size(), 3u);
- EXPECT_EQ(map.max_size(), 5u);
- EXPECT_FALSE(map.dynamic());
-
- EXPECT_EQ(map, SmallMap(ftl::init::map(123, "abc")(456, "def")(789, "ghi")));
- }
- {
- // In-place constructor with different types.
- SmallMap<int, std::string, 5> map =
- ftl::init::map<int, std::string>(123, "abc")(-1)(42, 3u, '?');
-
- EXPECT_EQ(map.size(), 3u);
- EXPECT_EQ(map.max_size(), 5u);
- EXPECT_FALSE(map.dynamic());
-
- EXPECT_EQ(map, SmallMap(ftl::init::map(42, "???")(123, "abc")(-1, "\0\0\0")));
- }
- {
- // In-place constructor with implicit size.
- SmallMap map = ftl::init::map<int, std::string>(123, "abc")(-1)(42, 3u, '?');
-
- static_assert(std::is_same_v<decltype(map), SmallMap<int, std::string, 3>>);
- EXPECT_EQ(map.size(), 3u);
- EXPECT_EQ(map.max_size(), 3u);
- EXPECT_FALSE(map.dynamic());
-
- EXPECT_EQ(map, SmallMap(ftl::init::map(-1, "\0\0\0")(42, "???")(123, "abc")));
- }
-}
-
-TEST(SmallMap, Find) {
- {
- // Constant reference.
- const ftl::SmallMap map = ftl::init::map('a', 'A')('b', 'B')('c', 'C');
-
- const auto opt = map.find('b');
- EXPECT_EQ(opt, 'B');
-
- const char d = 'D';
- const auto ref = map.find('d').value_or(std::cref(d));
- EXPECT_EQ(ref.get(), 'D');
- }
- {
- // Mutable reference.
- ftl::SmallMap map = ftl::init::map('a', 'A')('b', 'B')('c', 'C');
-
- const auto opt = map.find('c');
- EXPECT_EQ(opt, 'C');
-
- char d = 'd';
- const auto ref = map.find('d').value_or(std::ref(d));
- ref.get() = 'D';
- EXPECT_EQ(d, 'D');
- }
- {
- // Constant unary operation.
- const ftl::SmallMap map = ftl::init::map('a', 'x')('b', 'y')('c', 'z');
- EXPECT_EQ(map.find('c', [](char c) { return std::toupper(c); }), 'Z');
- }
- {
- // Mutable unary operation.
- ftl::SmallMap map = ftl::init::map('a', 'x')('b', 'y')('c', 'z');
- EXPECT_TRUE(map.find('c', [](char& c) { c = std::toupper(c); }));
-
- EXPECT_EQ(map, SmallMap(ftl::init::map('c', 'Z')('b', 'y')('a', 'x')));
- }
-}
-
-} // namespace android::test
diff --git a/libs/ftl/SmallVector_test.cpp b/libs/ftl/SmallVector_test.cpp
deleted file mode 100644
index d0c2858..0000000
--- a/libs/ftl/SmallVector_test.cpp
+++ /dev/null
@@ -1,465 +0,0 @@
-/*
- * Copyright 2020 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 <ftl/SmallVector.h>
-#include <gtest/gtest.h>
-
-#include <algorithm>
-#include <iterator>
-#include <string>
-#include <utility>
-
-using namespace std::string_literals;
-
-namespace android::test {
-
-using ftl::SmallVector;
-
-// Keep in sync with example usage in header file.
-TEST(SmallVector, Example) {
- ftl::SmallVector<char, 3> vector;
- EXPECT_TRUE(vector.empty());
- EXPECT_FALSE(vector.dynamic());
-
- vector = {'a', 'b', 'c'};
- EXPECT_EQ(vector.size(), 3u);
- EXPECT_FALSE(vector.dynamic());
-
- vector.push_back('d');
- EXPECT_TRUE(vector.dynamic());
-
- vector.unstable_erase(vector.begin());
- EXPECT_EQ(vector, (ftl::SmallVector{'d', 'b', 'c'}));
-
- vector.pop_back();
- EXPECT_EQ(vector.back(), 'b');
- EXPECT_TRUE(vector.dynamic());
-
- const char array[] = "hi";
- vector = ftl::SmallVector(array);
- EXPECT_EQ(vector, (ftl::SmallVector{'h', 'i', '\0'}));
- EXPECT_FALSE(vector.dynamic());
-
- ftl::SmallVector strings = ftl::init::list<std::string>("abc")("123456", 3u)(3u, '?');
- ASSERT_EQ(strings.size(), 3u);
- EXPECT_FALSE(strings.dynamic());
-
- EXPECT_EQ(strings[0], "abc");
- EXPECT_EQ(strings[1], "123");
- EXPECT_EQ(strings[2], "???");
-}
-
-TEST(SmallVector, Construct) {
- {
- // Default constructor.
- SmallVector<std::string, 2> vector;
-
- EXPECT_TRUE(vector.empty());
- EXPECT_FALSE(vector.dynamic());
- }
- {
- // Array constructor.
- const float kFloats[] = {.1f, .2f, .3f};
- SmallVector vector(kFloats);
-
- EXPECT_EQ(vector, (SmallVector{.1f, .2f, .3f}));
- EXPECT_FALSE(vector.dynamic());
- }
- {
- // Iterator constructor.
- const char chars[] = "abcdef";
- std::string string(chars);
- SmallVector<char, sizeof(chars)> vector(string.begin(), string.end());
-
- EXPECT_STREQ(vector.begin(), chars);
- EXPECT_FALSE(vector.dynamic());
- }
- {
- // Variadic constructor with same types.
- SmallVector vector = {1, 2, 3};
-
- static_assert(std::is_same_v<decltype(vector), SmallVector<int, 3>>);
- EXPECT_EQ(vector, (SmallVector{1, 2, 3}));
- EXPECT_FALSE(vector.dynamic());
- }
- {
- // Variadic constructor with different types.
- const auto copy = "quince"s;
- auto move = "tart"s;
- SmallVector vector = {copy, std::move(move)};
-
- static_assert(std::is_same_v<decltype(vector), SmallVector<std::string, 2>>);
- EXPECT_EQ(vector, (SmallVector{"quince"s, "tart"s}));
- EXPECT_FALSE(vector.dynamic());
- }
- {
- // In-place constructor with same types.
- SmallVector vector =
- ftl::init::list<std::string>("redolent", 3u)("velveteen", 6u)("cakewalk", 4u);
-
- static_assert(std::is_same_v<decltype(vector), SmallVector<std::string, 3>>);
- EXPECT_EQ(vector, (SmallVector{"red"s, "velvet"s, "cake"s}));
- EXPECT_FALSE(vector.dynamic());
- }
- {
- // In-place constructor with different types.
- const auto copy = "red"s;
- auto move = "velvet"s;
- std::initializer_list<char> list = {'c', 'a', 'k', 'e'};
- SmallVector vector = ftl::init::list<std::string>(copy.c_str())(std::move(move))(list);
-
- static_assert(std::is_same_v<decltype(vector), SmallVector<std::string, 3>>);
- EXPECT_TRUE(move.empty());
- EXPECT_EQ(vector, (SmallVector{"red"s, "velvet"s, "cake"s}));
- EXPECT_FALSE(vector.dynamic());
- }
- {
- // Conversion from StaticVector.
- ftl::StaticVector doubles = {.1, .2, .3};
- SmallVector vector = std::move(doubles);
- EXPECT_TRUE(doubles.empty());
-
- static_assert(std::is_same_v<decltype(vector), SmallVector<double, 3>>);
- EXPECT_EQ(vector, (SmallVector{.1, .2, .3}));
- EXPECT_FALSE(vector.dynamic());
- }
-}
-
-TEST(SmallVector, String) {
- SmallVector<char, 10> chars;
- char c = 'a';
- std::generate_n(std::back_inserter(chars), chars.max_size(), [&c] { return c++; });
- chars.push_back('\0');
-
- EXPECT_TRUE(chars.dynamic());
- EXPECT_EQ(chars.size(), 11u);
- EXPECT_STREQ(chars.begin(), "abcdefghij");
-
- // Constructor takes iterator range.
- const char kString[] = "123456";
- SmallVector<char, 10> string(std::begin(kString), std::end(kString));
-
- EXPECT_FALSE(string.dynamic());
- EXPECT_STREQ(string.begin(), "123456");
- EXPECT_EQ(string.size(), 7u);
-
- // Similar to emplace, but replaces rather than inserts.
- string.replace(string.begin() + 5, '\0');
- EXPECT_STREQ(string.begin(), "12345");
-
- swap(chars, string);
-
- EXPECT_STREQ(chars.begin(), "12345");
- EXPECT_STREQ(string.begin(), "abcdefghij");
-
- EXPECT_FALSE(chars.dynamic());
- EXPECT_TRUE(string.dynamic());
-}
-
-TEST(SmallVector, CopyableElement) {
- struct Pair {
- // Needed because std::vector emplace does not use uniform initialization.
- Pair(int a, int b) : a(a), b(b) {}
-
- const int a, b;
- bool operator==(Pair p) const { return p.a == a && p.b == b; }
- };
-
- SmallVector<Pair, 5> pairs;
-
- EXPECT_TRUE(pairs.empty());
- EXPECT_EQ(pairs.max_size(), 5u);
-
- for (size_t i = 0; i < pairs.max_size(); ++i) {
- EXPECT_EQ(pairs.size(), i);
-
- const int a = static_cast<int>(i) * 2;
- EXPECT_EQ(pairs.emplace_back(a, a + 1), Pair(a, a + 1));
- }
-
- EXPECT_EQ(pairs.size(), 5u);
- EXPECT_FALSE(pairs.dynamic());
-
- // The vector is promoted when full.
- EXPECT_EQ(pairs.emplace_back(10, 11), Pair(10, 11));
- EXPECT_TRUE(pairs.dynamic());
-
- EXPECT_EQ(pairs,
- (SmallVector{Pair{0, 1}, Pair{2, 3}, Pair{4, 5}, Pair{6, 7}, Pair{8, 9},
- Pair{10, 11}}));
-
- // Constructor takes at most N elements.
- SmallVector<int, 6> sums = {0, 0, 0, 0, 0, 0};
- EXPECT_FALSE(sums.dynamic());
-
- // Random-access iterators comply with standard.
- std::transform(pairs.begin(), pairs.end(), sums.begin(), [](Pair p) { return p.a + p.b; });
- EXPECT_EQ(sums, (SmallVector{1, 5, 9, 13, 17, 21}));
-
- sums.pop_back();
- std::reverse(sums.begin(), sums.end());
-
- EXPECT_EQ(sums, (SmallVector{17, 13, 9, 5, 1}));
-}
-
-TEST(SmallVector, MovableElement) {
- // Construct std::string elements in place from per-element arguments.
- SmallVector strings = ftl::init::list<std::string>()()()("cake")("velvet")("red")();
- strings.pop_back();
-
- EXPECT_EQ(strings.max_size(), 7u);
- EXPECT_EQ(strings.size(), 6u);
-
- // Erase "cake" and append a substring copy.
- {
- const auto it = std::find_if(strings.begin(), strings.end(),
- [](const auto& s) { return !s.empty(); });
- ASSERT_FALSE(it == strings.end());
- EXPECT_EQ(*it, "cake");
-
- // Construct std::string from first 4 characters of string literal.
- strings.unstable_erase(it);
- EXPECT_EQ(strings.emplace_back("cakewalk", 4u), "cake"s);
- }
-
- strings[1] = "quince"s;
-
- // Replace last empty string with "tart".
- {
- const auto rit = std::find(strings.rbegin(), strings.rend(), std::string());
- ASSERT_FALSE(rit == strings.rend());
-
- std::initializer_list<char> list = {'t', 'a', 'r', 't'};
- strings.replace(rit.base() - 1, list);
- }
-
- strings.front().assign("pie");
-
- EXPECT_EQ(strings, (SmallVector{"pie"s, "quince"s, "tart"s, "red"s, "velvet"s, "cake"s}));
-
- strings.push_back("nougat");
- strings.push_back("oreo");
- EXPECT_TRUE(strings.dynamic());
-
- std::rotate(strings.begin(), strings.end() - 2, strings.end());
-
- EXPECT_EQ(strings,
- (SmallVector{"nougat"s, "oreo"s, "pie"s, "quince"s, "tart"s, "red"s, "velvet"s,
- "cake"s}));
-}
-
-TEST(SmallVector, Replace) {
- // Replacing does not require a copy/move assignment operator.
- struct Word {
- explicit Word(std::string str) : str(std::move(str)) {}
- const std::string str;
-
- bool operator==(const Word& other) const { return other.str == str; }
- };
-
- SmallVector words = ftl::init::list<Word>("colored")("velour");
-
- // The replaced element can be referenced by the replacement.
- {
- const Word& word = words.replace(words.last(), words.back().str.substr(0, 3) + "vet");
- EXPECT_EQ(word, Word("velvet"));
- }
-
- // The vector is not promoted if replacing while full.
- EXPECT_FALSE(words.dynamic());
-
- words.emplace_back("cake");
- EXPECT_TRUE(words.dynamic());
-
- {
- const Word& word = words.replace(words.begin(), words.front().str.substr(4));
- EXPECT_EQ(word, Word("red"));
- }
-
- EXPECT_EQ(words, (SmallVector{Word("red"), Word("velvet"), Word("cake")}));
-}
-
-TEST(SmallVector, ReverseAppend) {
- SmallVector strings = {"red"s, "velvet"s, "cake"s};
- EXPECT_FALSE(strings.dynamic());
-
- auto rit = strings.rbegin();
- while (rit != strings.rend()) {
- // Iterator and reference are invalidated on insertion.
- const auto i = std::distance(strings.begin(), rit.base());
- std::string s = *rit;
-
- strings.push_back(std::move(s));
- rit = std::make_reverse_iterator(strings.begin() + i) + 1;
- }
-
- EXPECT_EQ(strings, (SmallVector{"red"s, "velvet"s, "cake"s, "cake"s, "velvet"s, "red"s}));
- EXPECT_TRUE(strings.dynamic());
-}
-
-TEST(SmallVector, Sort) {
- SmallVector strings = ftl::init::list<std::string>("pie")("quince")("tart")("red")("velvet");
- strings.push_back("cake"s);
-
- auto sorted = std::move(strings);
- EXPECT_TRUE(strings.empty());
-
- EXPECT_TRUE(sorted.dynamic());
- EXPECT_TRUE(strings.dynamic());
-
- std::sort(sorted.begin(), sorted.end());
- EXPECT_EQ(sorted, (SmallVector{"cake"s, "pie"s, "quince"s, "red"s, "tart"s, "velvet"s}));
-
- // Constructor takes array reference.
- {
- const char* kStrings[] = {"cake", "lie"};
- strings = SmallVector(kStrings);
- EXPECT_FALSE(strings.dynamic());
- }
-
- EXPECT_GT(sorted, strings);
- swap(sorted, strings);
- EXPECT_LT(sorted, strings);
-
- EXPECT_FALSE(sorted.dynamic());
- EXPECT_TRUE(strings.dynamic());
-
- // Append remaining elements, such that "pie" is the only difference.
- for (const char* str : {"quince", "red", "tart", "velvet"}) {
- sorted.emplace_back(str);
- }
- EXPECT_TRUE(sorted.dynamic());
-
- EXPECT_NE(sorted, strings);
-
- // Replace second element with "pie".
- const auto it = sorted.begin() + 1;
- EXPECT_EQ(sorted.replace(it, 'p' + it->substr(1)), "pie");
-
- EXPECT_EQ(sorted, strings);
-}
-
-namespace {
-
-struct DestroyCounts {
- DestroyCounts(int& live, int& dead) : counts{live, dead} {}
- DestroyCounts(const DestroyCounts& other) : counts(other.counts) {}
- DestroyCounts(DestroyCounts&& other) : counts(other.counts) { other.alive = false; }
- ~DestroyCounts() { ++(alive ? counts.live : counts.dead); }
-
- struct {
- int& live;
- int& dead;
- } counts;
-
- bool alive = true;
-};
-
-void swap(DestroyCounts& lhs, DestroyCounts& rhs) {
- std::swap(lhs.alive, rhs.alive);
-}
-
-} // namespace
-
-TEST(SmallVector, Destroy) {
- int live = 0;
- int dead = 0;
-
- { SmallVector<DestroyCounts, 3> counts; }
- EXPECT_EQ(0, live);
- EXPECT_EQ(0, dead);
-
- {
- SmallVector<DestroyCounts, 3> counts;
- counts.emplace_back(live, dead);
- counts.emplace_back(live, dead);
- counts.emplace_back(live, dead);
-
- EXPECT_FALSE(counts.dynamic());
- }
- EXPECT_EQ(3, live);
- EXPECT_EQ(0, dead);
-
- live = 0;
- {
- SmallVector<DestroyCounts, 3> counts;
- counts.emplace_back(live, dead);
- counts.emplace_back(live, dead);
- counts.emplace_back(live, dead);
- counts.emplace_back(live, dead);
-
- EXPECT_TRUE(counts.dynamic());
- }
- EXPECT_EQ(4, live);
- EXPECT_EQ(3, dead);
-
- live = dead = 0;
- {
- SmallVector<DestroyCounts, 2> counts;
- counts.emplace_back(live, dead);
- counts.emplace_back(live, dead);
- counts.emplace_back(live, dead);
-
- auto copy = counts;
- EXPECT_TRUE(copy.dynamic());
- }
- EXPECT_EQ(6, live);
- EXPECT_EQ(2, dead);
-
- live = dead = 0;
- {
- SmallVector<DestroyCounts, 2> counts;
- counts.emplace_back(live, dead);
- counts.emplace_back(live, dead);
- counts.emplace_back(live, dead);
-
- auto move = std::move(counts);
- EXPECT_TRUE(move.dynamic());
- }
- EXPECT_EQ(3, live);
- EXPECT_EQ(2, dead);
-
- live = dead = 0;
- {
- SmallVector<DestroyCounts, 2> counts1;
- counts1.emplace_back(live, dead);
- counts1.emplace_back(live, dead);
- counts1.emplace_back(live, dead);
-
- EXPECT_TRUE(counts1.dynamic());
- EXPECT_EQ(2, dead);
- dead = 0;
-
- SmallVector<DestroyCounts, 2> counts2;
- counts2.emplace_back(live, dead);
-
- EXPECT_FALSE(counts2.dynamic());
-
- swap(counts1, counts2);
-
- EXPECT_FALSE(counts1.dynamic());
- EXPECT_TRUE(counts2.dynamic());
-
- EXPECT_EQ(0, live);
- EXPECT_EQ(1, dead);
-
- dead = 0;
- }
- EXPECT_EQ(4, live);
- EXPECT_EQ(0, dead);
-}
-
-} // namespace android::test
diff --git a/libs/ftl/StaticVector_test.cpp b/libs/ftl/StaticVector_test.cpp
deleted file mode 100644
index db42d23..0000000
--- a/libs/ftl/StaticVector_test.cpp
+++ /dev/null
@@ -1,399 +0,0 @@
-/*
- * Copyright 2020 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 <ftl/StaticVector.h>
-#include <gtest/gtest.h>
-
-#include <algorithm>
-#include <iterator>
-#include <string>
-#include <utility>
-
-using namespace std::string_literals;
-
-namespace android::test {
-
-using ftl::StaticVector;
-
-// Keep in sync with example usage in header file.
-TEST(StaticVector, Example) {
- ftl::StaticVector<char, 3> vector;
- EXPECT_TRUE(vector.empty());
-
- vector = {'a', 'b'};
- EXPECT_EQ(vector.size(), 2u);
-
- vector.push_back('c');
- EXPECT_TRUE(vector.full());
-
- EXPECT_FALSE(vector.push_back('d'));
- EXPECT_EQ(vector.size(), 3u);
-
- vector.unstable_erase(vector.begin());
- EXPECT_EQ(vector, (ftl::StaticVector{'c', 'b'}));
-
- vector.pop_back();
- EXPECT_EQ(vector.back(), 'c');
-
- const char array[] = "hi";
- vector = ftl::StaticVector(array);
- EXPECT_EQ(vector, (ftl::StaticVector{'h', 'i', '\0'}));
-
- ftl::StaticVector strings = ftl::init::list<std::string>("abc")("123456", 3u)(3u, '?');
- ASSERT_EQ(strings.size(), 3u);
-
- EXPECT_EQ(strings[0], "abc");
- EXPECT_EQ(strings[1], "123");
- EXPECT_EQ(strings[2], "???");
-}
-
-TEST(StaticVector, Construct) {
- {
- // Default constructor.
- StaticVector<std::string, 2> vector;
- EXPECT_TRUE(vector.empty());
- }
- {
- // Array constructor.
- const float kFloats[] = {.1f, .2f, .3f};
- StaticVector vector(kFloats);
- EXPECT_EQ(vector, (StaticVector{.1f, .2f, .3f}));
- }
- {
- // Iterator constructor.
- const char chars[] = "abcdef";
- std::string string(chars);
- StaticVector<char, sizeof(chars)> vector(string.begin(), string.end());
-
- EXPECT_STREQ(vector.begin(), chars);
- }
- {
- // Variadic constructor with same types.
- StaticVector vector = {1, 2, 3};
-
- static_assert(std::is_same_v<decltype(vector), StaticVector<int, 3>>);
- EXPECT_EQ(vector, (StaticVector{1, 2, 3}));
- }
- {
- // Variadic constructor with different types.
- const auto copy = "quince"s;
- auto move = "tart"s;
- StaticVector vector = {copy, std::move(move)};
-
- static_assert(std::is_same_v<decltype(vector), StaticVector<std::string, 2>>);
- EXPECT_EQ(vector, (StaticVector{"quince"s, "tart"s}));
- }
- {
- // In-place constructor with same types.
- StaticVector vector =
- ftl::init::list<std::string>("redolent", 3u)("velveteen", 6u)("cakewalk", 4u);
-
- static_assert(std::is_same_v<decltype(vector), StaticVector<std::string, 3>>);
- EXPECT_EQ(vector, (StaticVector{"red"s, "velvet"s, "cake"s}));
- }
- {
- // In-place constructor with different types.
- const auto copy = "red"s;
- auto move = "velvet"s;
- std::initializer_list<char> list = {'c', 'a', 'k', 'e'};
- StaticVector vector = ftl::init::list<std::string>(copy.c_str())(std::move(move))(list);
-
- static_assert(std::is_same_v<decltype(vector), StaticVector<std::string, 3>>);
- EXPECT_TRUE(move.empty());
- EXPECT_EQ(vector, (StaticVector{"red"s, "velvet"s, "cake"s}));
- }
- {
- struct String {
- explicit String(const char* str) : str(str) {}
- explicit String(const char** ptr) : str(*ptr) {}
- const char* str;
- };
-
- const char* kStrings[] = {"a", "b", "c", "d"};
-
- {
- // Two iterator-like elements.
- StaticVector<String, 3> vector(kStrings, kStrings + 3);
- ASSERT_EQ(vector.size(), 2u);
-
- EXPECT_STREQ(vector[0].str, "a");
- EXPECT_STREQ(vector[1].str, "d");
- }
- {
- // Disambiguating iterator constructor.
- StaticVector<String, 3> vector(ftl::IteratorRange, kStrings, kStrings + 3);
- ASSERT_EQ(vector.size(), 3u);
-
- EXPECT_STREQ(vector[0].str, "a");
- EXPECT_STREQ(vector[1].str, "b");
- EXPECT_STREQ(vector[2].str, "c");
- }
- }
-}
-
-TEST(StaticVector, String) {
- StaticVector<char, 10> chars;
- char c = 'a';
- std::generate_n(std::back_inserter(chars), chars.max_size(), [&c] { return c++; });
- chars.back() = '\0';
-
- EXPECT_STREQ(chars.begin(), "abcdefghi");
-
- // Constructor takes iterator range.
- const char kString[] = "123456";
- StaticVector<char, 10> string(std::begin(kString), std::end(kString));
-
- EXPECT_STREQ(string.begin(), "123456");
- EXPECT_EQ(string.size(), 7u);
-
- // Similar to emplace, but replaces rather than inserts.
- string.replace(string.begin() + 5, '\0');
- EXPECT_STREQ(string.begin(), "12345");
-
- swap(chars, string);
-
- EXPECT_STREQ(chars.begin(), "12345");
- EXPECT_STREQ(string.begin(), "abcdefghi");
-}
-
-TEST(StaticVector, CopyableElement) {
- struct Pair {
- const int a, b;
- bool operator==(Pair p) const { return p.a == a && p.b == b; }
- };
-
- StaticVector<Pair, 5> pairs;
-
- EXPECT_TRUE(pairs.empty());
- EXPECT_EQ(pairs.max_size(), 5u);
-
- for (size_t i = 0; i < pairs.max_size(); ++i) {
- EXPECT_EQ(pairs.size(), i);
-
- const int a = static_cast<int>(i) * 2;
- const auto it = pairs.emplace_back(a, a + 1);
- ASSERT_NE(it, pairs.end());
- EXPECT_EQ(*it, (Pair{a, a + 1}));
- }
-
- EXPECT_TRUE(pairs.full());
- EXPECT_EQ(pairs.size(), 5u);
-
- // Insertion fails if the vector is full.
- const auto it = pairs.emplace_back(10, 11);
- EXPECT_EQ(it, pairs.end());
-
- EXPECT_EQ(pairs, (StaticVector{Pair{0, 1}, Pair{2, 3}, Pair{4, 5}, Pair{6, 7}, Pair{8, 9}}));
-
- // Constructor takes at most N elements.
- StaticVector<int, 6> sums = {0, 0, 0, 0, 0, -1};
- EXPECT_TRUE(sums.full());
-
- // Random-access iterators comply with standard.
- std::transform(pairs.begin(), pairs.end(), sums.begin(), [](Pair p) { return p.a + p.b; });
- EXPECT_EQ(sums, (StaticVector{1, 5, 9, 13, 17, -1}));
-
- sums.pop_back();
- std::reverse(sums.begin(), sums.end());
-
- EXPECT_EQ(sums, (StaticVector{17, 13, 9, 5, 1}));
-}
-
-TEST(StaticVector, MovableElement) {
- // Construct std::string elements in place from per-element arguments.
- StaticVector strings = ftl::init::list<std::string>()()()("cake")("velvet")("red")();
- strings.pop_back();
-
- EXPECT_EQ(strings.max_size(), 7u);
- EXPECT_EQ(strings.size(), 6u);
-
- // Erase "cake" and append a substring copy.
- {
- auto it = std::find_if(strings.begin(), strings.end(),
- [](const auto& s) { return !s.empty(); });
- ASSERT_FALSE(it == strings.end());
- EXPECT_EQ(*it, "cake");
-
- strings.unstable_erase(it);
-
- // Construct std::string from first 4 characters of string literal.
- it = strings.emplace_back("cakewalk", 4u);
- ASSERT_NE(it, strings.end());
- EXPECT_EQ(*it, "cake"s);
- }
-
- strings[1] = "quince"s;
-
- // Replace last empty string with "tart".
- {
- const auto rit = std::find(strings.rbegin(), strings.rend(), std::string());
- ASSERT_FALSE(rit == strings.rend());
-
- std::initializer_list<char> list = {'t', 'a', 'r', 't'};
- strings.replace(rit.base() - 1, list);
- }
-
- strings.front().assign("pie");
-
- EXPECT_EQ(strings, (StaticVector{"pie"s, "quince"s, "tart"s, "red"s, "velvet"s, "cake"s}));
-}
-
-TEST(StaticVector, Replace) {
- // Replacing does not require a copy/move assignment operator.
- struct Word {
- explicit Word(std::string str) : str(std::move(str)) {}
- const std::string str;
- };
-
- StaticVector words = ftl::init::list<Word>("red")("velour")("cake");
-
- // The replaced element can be referenced by the replacement.
- const auto it = words.begin() + 1;
- const Word& word = words.replace(it, it->str.substr(0, 3) + "vet");
- EXPECT_EQ(word.str, "velvet");
-}
-
-TEST(StaticVector, ReverseTruncate) {
- StaticVector<std::string, 10> strings("pie", "quince", "tart", "red", "velvet", "cake");
- EXPECT_FALSE(strings.full());
-
- for (auto it = strings.begin(); it != strings.end(); ++it) {
- strings.replace(it, strings.back());
- strings.pop_back();
- }
-
- EXPECT_EQ(strings, (StaticVector{"cake"s, "velvet"s, "red"s}));
-}
-
-TEST(StaticVector, Sort) {
- StaticVector<std::string, 7> strings("pie", "quince", "tart", "red", "velvet", "cake");
- EXPECT_FALSE(strings.full());
-
- auto sorted = std::move(strings);
- EXPECT_TRUE(strings.empty());
-
- std::sort(sorted.begin(), sorted.end());
- EXPECT_EQ(sorted, (StaticVector{"cake"s, "pie"s, "quince"s, "red"s, "tart"s, "velvet"s}));
-
- // Constructor takes array reference.
- {
- const char* kStrings[] = {"cake", "lie"};
- strings = StaticVector(kStrings);
- }
-
- EXPECT_GT(sorted, strings);
- swap(sorted, strings);
- EXPECT_LT(sorted, strings);
-
- // Append remaining elements, such that "pie" is the only difference.
- for (const char* str : {"quince", "red", "tart", "velvet"}) {
- sorted.emplace_back(str);
- }
-
- EXPECT_NE(sorted, strings);
-
- // Replace second element with "pie".
- const auto it = sorted.begin() + 1;
- EXPECT_EQ(sorted.replace(it, 'p' + it->substr(1)), "pie");
-
- EXPECT_EQ(sorted, strings);
-}
-
-namespace {
-
-struct DestroyCounts {
- DestroyCounts(int& live, int& dead) : counts{live, dead} {}
- DestroyCounts(const DestroyCounts& other) : counts(other.counts) {}
- DestroyCounts(DestroyCounts&& other) : counts(other.counts) { other.alive = false; }
- ~DestroyCounts() { ++(alive ? counts.live : counts.dead); }
-
- struct {
- int& live;
- int& dead;
- } counts;
-
- bool alive = true;
-};
-
-void swap(DestroyCounts& lhs, DestroyCounts& rhs) {
- std::swap(lhs.alive, rhs.alive);
-}
-
-} // namespace
-
-TEST(StaticVector, Destroy) {
- int live = 0;
- int dead = 0;
-
- { StaticVector<DestroyCounts, 5> counts; }
- EXPECT_EQ(0, live);
- EXPECT_EQ(0, dead);
-
- {
- StaticVector<DestroyCounts, 5> counts;
- counts.emplace_back(live, dead);
- counts.emplace_back(live, dead);
- counts.emplace_back(live, dead);
- }
- EXPECT_EQ(3, live);
- EXPECT_EQ(0, dead);
-
- live = 0;
- {
- StaticVector<DestroyCounts, 5> counts;
- counts.emplace_back(live, dead);
- counts.emplace_back(live, dead);
- counts.emplace_back(live, dead);
-
- auto copy = counts;
- }
- EXPECT_EQ(6, live);
- EXPECT_EQ(0, dead);
-
- live = 0;
- {
- StaticVector<DestroyCounts, 5> counts;
- counts.emplace_back(live, dead);
- counts.emplace_back(live, dead);
- counts.emplace_back(live, dead);
-
- auto move = std::move(counts);
- }
- EXPECT_EQ(3, live);
- EXPECT_EQ(3, dead);
-
- live = dead = 0;
- {
- StaticVector<DestroyCounts, 5> counts1;
- counts1.emplace_back(live, dead);
- counts1.emplace_back(live, dead);
- counts1.emplace_back(live, dead);
-
- StaticVector<DestroyCounts, 5> counts2;
- counts2.emplace_back(live, dead);
-
- swap(counts1, counts2);
-
- EXPECT_EQ(0, live);
- EXPECT_EQ(2, dead);
-
- dead = 0;
- }
- EXPECT_EQ(4, live);
- EXPECT_EQ(0, dead);
-}
-
-} // namespace android::test
diff --git a/libs/ftl/future_test.cpp b/libs/ftl/future_test.cpp
new file mode 100644
index 0000000..9b3e936
--- /dev/null
+++ b/libs/ftl/future_test.cpp
@@ -0,0 +1,105 @@
+/*
+ * Copyright 2020 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 <ftl/future.h>
+#include <gtest/gtest.h>
+
+#include <algorithm>
+#include <future>
+#include <string>
+#include <thread>
+#include <vector>
+
+namespace android::test {
+
+// Keep in sync with example usage in header file.
+TEST(Future, Example) {
+ {
+ auto future = ftl::defer([](int x) { return x + 1; }, 99);
+ EXPECT_EQ(future.get(), 100);
+ }
+ {
+ auto future = ftl::yield(42);
+ EXPECT_EQ(future.get(), 42);
+ }
+ {
+ auto ptr = std::make_unique<char>('!');
+ auto future = ftl::yield(std::move(ptr));
+ EXPECT_EQ(*future.get(), '!');
+ }
+ {
+ auto future = ftl::yield(123);
+ std::future<char> futures[] = {ftl::yield('a'), ftl::yield('b')};
+
+ std::future<char> chain = ftl::chain(std::move(future))
+ .then([](int x) { return static_cast<size_t>(x % 2); })
+ .then([&futures](size_t i) { return std::move(futures[i]); });
+
+ EXPECT_EQ(chain.get(), 'b');
+ }
+}
+
+namespace {
+
+using ByteVector = std::vector<uint8_t>;
+
+ByteVector decrement(ByteVector bytes) {
+ std::transform(bytes.begin(), bytes.end(), bytes.begin(), [](auto b) { return b - 1; });
+ return bytes;
+}
+
+} // namespace
+
+TEST(Future, Chain) {
+ std::packaged_task<const char*()> fetch_string([] { return "ifmmp-"; });
+
+ std::packaged_task<ByteVector(std::string)> append_string([](std::string str) {
+ str += "!xpsme";
+ return ByteVector{str.begin(), str.end()};
+ });
+
+ std::packaged_task<std::future<ByteVector>(ByteVector)> decrement_bytes(
+ [](ByteVector bytes) { return ftl::defer(decrement, std::move(bytes)); });
+
+ auto fetch = fetch_string.get_future();
+ std::thread fetch_thread(std::move(fetch_string));
+
+ std::thread append_thread, decrement_thread;
+
+ EXPECT_EQ(
+ "hello, world",
+ ftl::chain(std::move(fetch))
+ .then([](const char* str) { return std::string(str); })
+ .then([&](std::string str) {
+ auto append = append_string.get_future();
+ append_thread = std::thread(std::move(append_string), std::move(str));
+ return append;
+ })
+ .then([&](ByteVector bytes) {
+ auto decrement = decrement_bytes.get_future();
+ decrement_thread = std::thread(std::move(decrement_bytes), std::move(bytes));
+ return decrement;
+ })
+ .then([](std::future<ByteVector> bytes) { return bytes; })
+ .then([](const ByteVector& bytes) { return std::string(bytes.begin(), bytes.end()); })
+ .get());
+
+ fetch_thread.join();
+ append_thread.join();
+ decrement_thread.join();
+}
+
+} // namespace android::test
diff --git a/libs/ftl/small_map_test.cpp b/libs/ftl/small_map_test.cpp
new file mode 100644
index 0000000..323b9f9
--- /dev/null
+++ b/libs/ftl/small_map_test.cpp
@@ -0,0 +1,131 @@
+/*
+ * Copyright 2020 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 <ftl/small_map.h>
+#include <gtest/gtest.h>
+
+#include <cctype>
+
+namespace android::test {
+
+using ftl::SmallMap;
+
+// Keep in sync with example usage in header file.
+TEST(SmallMap, Example) {
+ ftl::SmallMap<int, std::string, 3> map;
+ EXPECT_TRUE(map.empty());
+ EXPECT_FALSE(map.dynamic());
+
+ map = ftl::init::map<int, std::string>(123, "abc")(-1)(42, 3u, '?');
+ EXPECT_EQ(map.size(), 3u);
+ EXPECT_FALSE(map.dynamic());
+
+ EXPECT_TRUE(map.contains(123));
+
+ EXPECT_EQ(map.find(42, [](const std::string& s) { return s.size(); }), 3u);
+
+ const auto opt = map.find(-1);
+ ASSERT_TRUE(opt);
+
+ std::string& ref = *opt;
+ EXPECT_TRUE(ref.empty());
+ ref = "xyz";
+
+ EXPECT_EQ(map, SmallMap(ftl::init::map(-1, "xyz")(42, "???")(123, "abc")));
+}
+
+TEST(SmallMap, Construct) {
+ {
+ // Default constructor.
+ SmallMap<int, std::string, 2> map;
+
+ EXPECT_TRUE(map.empty());
+ EXPECT_FALSE(map.dynamic());
+ }
+ {
+ // In-place constructor with same types.
+ SmallMap<int, std::string, 5> map =
+ ftl::init::map<int, std::string>(123, "abc")(456, "def")(789, "ghi");
+
+ EXPECT_EQ(map.size(), 3u);
+ EXPECT_EQ(map.max_size(), 5u);
+ EXPECT_FALSE(map.dynamic());
+
+ EXPECT_EQ(map, SmallMap(ftl::init::map(123, "abc")(456, "def")(789, "ghi")));
+ }
+ {
+ // In-place constructor with different types.
+ SmallMap<int, std::string, 5> map =
+ ftl::init::map<int, std::string>(123, "abc")(-1)(42, 3u, '?');
+
+ EXPECT_EQ(map.size(), 3u);
+ EXPECT_EQ(map.max_size(), 5u);
+ EXPECT_FALSE(map.dynamic());
+
+ EXPECT_EQ(map, SmallMap(ftl::init::map(42, "???")(123, "abc")(-1, "\0\0\0")));
+ }
+ {
+ // In-place constructor with implicit size.
+ SmallMap map = ftl::init::map<int, std::string>(123, "abc")(-1)(42, 3u, '?');
+
+ static_assert(std::is_same_v<decltype(map), SmallMap<int, std::string, 3>>);
+ EXPECT_EQ(map.size(), 3u);
+ EXPECT_EQ(map.max_size(), 3u);
+ EXPECT_FALSE(map.dynamic());
+
+ EXPECT_EQ(map, SmallMap(ftl::init::map(-1, "\0\0\0")(42, "???")(123, "abc")));
+ }
+}
+
+TEST(SmallMap, Find) {
+ {
+ // Constant reference.
+ const ftl::SmallMap map = ftl::init::map('a', 'A')('b', 'B')('c', 'C');
+
+ const auto opt = map.find('b');
+ EXPECT_EQ(opt, 'B');
+
+ const char d = 'D';
+ const auto ref = map.find('d').value_or(std::cref(d));
+ EXPECT_EQ(ref.get(), 'D');
+ }
+ {
+ // Mutable reference.
+ ftl::SmallMap map = ftl::init::map('a', 'A')('b', 'B')('c', 'C');
+
+ const auto opt = map.find('c');
+ EXPECT_EQ(opt, 'C');
+
+ char d = 'd';
+ const auto ref = map.find('d').value_or(std::ref(d));
+ ref.get() = 'D';
+ EXPECT_EQ(d, 'D');
+ }
+ {
+ // Constant unary operation.
+ const ftl::SmallMap map = ftl::init::map('a', 'x')('b', 'y')('c', 'z');
+ EXPECT_EQ(map.find('c', [](char c) { return std::toupper(c); }), 'Z');
+ }
+ {
+ // Mutable unary operation.
+ ftl::SmallMap map = ftl::init::map('a', 'x')('b', 'y')('c', 'z');
+ EXPECT_TRUE(map.find('c', [](char& c) { c = std::toupper(c); }));
+
+ EXPECT_EQ(map, SmallMap(ftl::init::map('c', 'Z')('b', 'y')('a', 'x')));
+ }
+}
+
+} // namespace android::test
diff --git a/libs/ftl/small_vector_test.cpp b/libs/ftl/small_vector_test.cpp
new file mode 100644
index 0000000..3a03e69
--- /dev/null
+++ b/libs/ftl/small_vector_test.cpp
@@ -0,0 +1,463 @@
+/*
+ * Copyright 2020 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 <ftl/small_vector.h>
+#include <gtest/gtest.h>
+
+#include <algorithm>
+#include <iterator>
+#include <string>
+#include <utility>
+
+using namespace std::string_literals;
+
+namespace android::test {
+
+using ftl::SmallVector;
+
+// Keep in sync with example usage in header file.
+TEST(SmallVector, Example) {
+ ftl::SmallVector<char, 3> vector;
+ EXPECT_TRUE(vector.empty());
+ EXPECT_FALSE(vector.dynamic());
+
+ vector = {'a', 'b', 'c'};
+ EXPECT_EQ(vector.size(), 3u);
+ EXPECT_FALSE(vector.dynamic());
+
+ vector.push_back('d');
+ EXPECT_TRUE(vector.dynamic());
+
+ vector.unstable_erase(vector.begin());
+ EXPECT_EQ(vector, (ftl::SmallVector{'d', 'b', 'c'}));
+
+ vector.pop_back();
+ EXPECT_EQ(vector.back(), 'b');
+ EXPECT_TRUE(vector.dynamic());
+
+ const char array[] = "hi";
+ vector = ftl::SmallVector(array);
+ EXPECT_EQ(vector, (ftl::SmallVector{'h', 'i', '\0'}));
+ EXPECT_FALSE(vector.dynamic());
+
+ ftl::SmallVector strings = ftl::init::list<std::string>("abc")("123456", 3u)(3u, '?');
+ ASSERT_EQ(strings.size(), 3u);
+ EXPECT_FALSE(strings.dynamic());
+
+ EXPECT_EQ(strings[0], "abc");
+ EXPECT_EQ(strings[1], "123");
+ EXPECT_EQ(strings[2], "???");
+}
+
+TEST(SmallVector, Construct) {
+ {
+ // Default constructor.
+ SmallVector<std::string, 2> vector;
+
+ EXPECT_TRUE(vector.empty());
+ EXPECT_FALSE(vector.dynamic());
+ }
+ {
+ // Array constructor.
+ const float floats[] = {.1f, .2f, .3f};
+ SmallVector vector(floats);
+
+ EXPECT_EQ(vector, (SmallVector{.1f, .2f, .3f}));
+ EXPECT_FALSE(vector.dynamic());
+ }
+ {
+ // Iterator constructor.
+ const char chars[] = "abcdef";
+ std::string string(chars);
+ SmallVector<char, sizeof(chars)> vector(string.begin(), string.end());
+
+ EXPECT_STREQ(vector.begin(), chars);
+ EXPECT_FALSE(vector.dynamic());
+ }
+ {
+ // Variadic constructor with same types.
+ SmallVector vector = {1, 2, 3};
+
+ static_assert(std::is_same_v<decltype(vector), SmallVector<int, 3>>);
+ EXPECT_EQ(vector, (SmallVector{1, 2, 3}));
+ EXPECT_FALSE(vector.dynamic());
+ }
+ {
+ // Variadic constructor with different types.
+ const auto copy = "quince"s;
+ auto move = "tart"s;
+ SmallVector vector = {copy, std::move(move)};
+
+ static_assert(std::is_same_v<decltype(vector), SmallVector<std::string, 2>>);
+ EXPECT_EQ(vector, (SmallVector{"quince"s, "tart"s}));
+ EXPECT_FALSE(vector.dynamic());
+ }
+ {
+ // In-place constructor with same types.
+ SmallVector vector =
+ ftl::init::list<std::string>("redolent", 3u)("velveteen", 6u)("cakewalk", 4u);
+
+ static_assert(std::is_same_v<decltype(vector), SmallVector<std::string, 3>>);
+ EXPECT_EQ(vector, (SmallVector{"red"s, "velvet"s, "cake"s}));
+ EXPECT_FALSE(vector.dynamic());
+ }
+ {
+ // In-place constructor with different types.
+ const auto copy = "red"s;
+ auto move = "velvet"s;
+ std::initializer_list<char> list = {'c', 'a', 'k', 'e'};
+ SmallVector vector = ftl::init::list<std::string>(copy.c_str())(std::move(move))(list);
+
+ static_assert(std::is_same_v<decltype(vector), SmallVector<std::string, 3>>);
+ EXPECT_TRUE(move.empty());
+ EXPECT_EQ(vector, (SmallVector{"red"s, "velvet"s, "cake"s}));
+ EXPECT_FALSE(vector.dynamic());
+ }
+ {
+ // Conversion from StaticVector.
+ ftl::StaticVector doubles = {.1, .2, .3};
+ SmallVector vector = std::move(doubles);
+ EXPECT_TRUE(doubles.empty());
+
+ static_assert(std::is_same_v<decltype(vector), SmallVector<double, 3>>);
+ EXPECT_EQ(vector, (SmallVector{.1, .2, .3}));
+ EXPECT_FALSE(vector.dynamic());
+ }
+}
+
+TEST(SmallVector, String) {
+ SmallVector<char, 10> chars;
+ char c = 'a';
+ std::generate_n(std::back_inserter(chars), chars.max_size(), [&c] { return c++; });
+ chars.push_back('\0');
+
+ EXPECT_TRUE(chars.dynamic());
+ EXPECT_EQ(chars.size(), 11u);
+ EXPECT_STREQ(chars.begin(), "abcdefghij");
+
+ // Constructor takes iterator range.
+ const char numbers[] = "123456";
+ SmallVector<char, 10> string(std::begin(numbers), std::end(numbers));
+
+ EXPECT_FALSE(string.dynamic());
+ EXPECT_STREQ(string.begin(), "123456");
+ EXPECT_EQ(string.size(), 7u);
+
+ // Similar to emplace, but replaces rather than inserts.
+ string.replace(string.begin() + 5, '\0');
+ EXPECT_STREQ(string.begin(), "12345");
+
+ swap(chars, string);
+
+ EXPECT_STREQ(chars.begin(), "12345");
+ EXPECT_STREQ(string.begin(), "abcdefghij");
+
+ EXPECT_FALSE(chars.dynamic());
+ EXPECT_TRUE(string.dynamic());
+}
+
+TEST(SmallVector, CopyableElement) {
+ struct Pair {
+ // Needed because std::vector does not use list initialization to emplace.
+ Pair(int a, int b) : a(a), b(b) {}
+
+ const int a, b;
+ bool operator==(Pair p) const { return p.a == a && p.b == b; }
+ };
+
+ SmallVector<Pair, 5> pairs;
+
+ EXPECT_TRUE(pairs.empty());
+ EXPECT_EQ(pairs.max_size(), 5u);
+
+ for (size_t i = 0; i < pairs.max_size(); ++i) {
+ EXPECT_EQ(pairs.size(), i);
+
+ const int a = static_cast<int>(i) * 2;
+ EXPECT_EQ(pairs.emplace_back(a, a + 1), Pair(a, a + 1));
+ }
+
+ EXPECT_EQ(pairs.size(), 5u);
+ EXPECT_FALSE(pairs.dynamic());
+
+ // The vector is promoted when full.
+ EXPECT_EQ(pairs.emplace_back(10, 11), Pair(10, 11));
+ EXPECT_TRUE(pairs.dynamic());
+
+ EXPECT_EQ(pairs, (SmallVector{Pair{0, 1}, Pair{2, 3}, Pair{4, 5}, Pair{6, 7}, Pair{8, 9},
+ Pair{10, 11}}));
+
+ // Constructor takes at most N elements.
+ SmallVector<int, 6> sums = {0, 0, 0, 0, 0, 0};
+ EXPECT_FALSE(sums.dynamic());
+
+ // Random-access iterators comply with standard.
+ std::transform(pairs.begin(), pairs.end(), sums.begin(), [](Pair p) { return p.a + p.b; });
+ EXPECT_EQ(sums, (SmallVector{1, 5, 9, 13, 17, 21}));
+
+ sums.pop_back();
+ std::reverse(sums.begin(), sums.end());
+
+ EXPECT_EQ(sums, (SmallVector{17, 13, 9, 5, 1}));
+}
+
+TEST(SmallVector, MovableElement) {
+ // Construct std::string elements in place from per-element arguments.
+ SmallVector strings = ftl::init::list<std::string>()()()("cake")("velvet")("red")();
+ strings.pop_back();
+
+ EXPECT_EQ(strings.max_size(), 7u);
+ EXPECT_EQ(strings.size(), 6u);
+
+ // Erase "cake" and append a substring copy.
+ {
+ const auto it =
+ std::find_if(strings.begin(), strings.end(), [](const auto& s) { return !s.empty(); });
+ ASSERT_FALSE(it == strings.end());
+ EXPECT_EQ(*it, "cake");
+
+ // Construct std::string from first 4 characters of string literal.
+ strings.unstable_erase(it);
+ EXPECT_EQ(strings.emplace_back("cakewalk", 4u), "cake"s);
+ }
+
+ strings[1] = "quince"s;
+
+ // Replace last empty string with "tart".
+ {
+ const auto rit = std::find(strings.rbegin(), strings.rend(), std::string());
+ ASSERT_FALSE(rit == strings.rend());
+
+ std::initializer_list<char> list = {'t', 'a', 'r', 't'};
+ strings.replace(rit.base() - 1, list);
+ }
+
+ strings.front().assign("pie");
+
+ EXPECT_EQ(strings, (SmallVector{"pie"s, "quince"s, "tart"s, "red"s, "velvet"s, "cake"s}));
+
+ strings.push_back("nougat");
+ strings.push_back("oreo");
+ EXPECT_TRUE(strings.dynamic());
+
+ std::rotate(strings.begin(), strings.end() - 2, strings.end());
+
+ EXPECT_EQ(strings, (SmallVector{"nougat"s, "oreo"s, "pie"s, "quince"s, "tart"s, "red"s, "velvet"s,
+ "cake"s}));
+}
+
+TEST(SmallVector, Replace) {
+ // Replacing does not require a copy/move assignment operator.
+ struct Word {
+ explicit Word(std::string str) : str(std::move(str)) {}
+ const std::string str;
+
+ bool operator==(const Word& other) const { return other.str == str; }
+ };
+
+ SmallVector words = ftl::init::list<Word>("colored")("velour");
+
+ // The replaced element can be referenced by the replacement.
+ {
+ const Word& word = words.replace(words.last(), words.back().str.substr(0, 3) + "vet");
+ EXPECT_EQ(word, Word("velvet"));
+ }
+
+ // The vector is not promoted if replacing while full.
+ EXPECT_FALSE(words.dynamic());
+
+ words.emplace_back("cake");
+ EXPECT_TRUE(words.dynamic());
+
+ {
+ const Word& word = words.replace(words.begin(), words.front().str.substr(4));
+ EXPECT_EQ(word, Word("red"));
+ }
+
+ EXPECT_EQ(words, (SmallVector{Word("red"), Word("velvet"), Word("cake")}));
+}
+
+TEST(SmallVector, ReverseAppend) {
+ SmallVector strings = {"red"s, "velvet"s, "cake"s};
+ EXPECT_FALSE(strings.dynamic());
+
+ auto rit = strings.rbegin();
+ while (rit != strings.rend()) {
+ // Iterator and reference are invalidated on insertion.
+ const auto i = std::distance(strings.begin(), rit.base());
+ std::string s = *rit;
+
+ strings.push_back(std::move(s));
+ rit = std::make_reverse_iterator(strings.begin() + i) + 1;
+ }
+
+ EXPECT_EQ(strings, (SmallVector{"red"s, "velvet"s, "cake"s, "cake"s, "velvet"s, "red"s}));
+ EXPECT_TRUE(strings.dynamic());
+}
+
+TEST(SmallVector, Sort) {
+ SmallVector strings = ftl::init::list<std::string>("pie")("quince")("tart")("red")("velvet");
+ strings.push_back("cake"s);
+
+ auto sorted = std::move(strings);
+ EXPECT_TRUE(strings.empty());
+
+ EXPECT_TRUE(sorted.dynamic());
+ EXPECT_TRUE(strings.dynamic());
+
+ std::sort(sorted.begin(), sorted.end());
+ EXPECT_EQ(sorted, (SmallVector{"cake"s, "pie"s, "quince"s, "red"s, "tart"s, "velvet"s}));
+
+ // Constructor takes array reference.
+ {
+ const char* array[] = {"cake", "lie"};
+ strings = SmallVector(array);
+ EXPECT_FALSE(strings.dynamic());
+ }
+
+ EXPECT_GT(sorted, strings);
+ swap(sorted, strings);
+ EXPECT_LT(sorted, strings);
+
+ EXPECT_FALSE(sorted.dynamic());
+ EXPECT_TRUE(strings.dynamic());
+
+ // Append remaining elements, such that "pie" is the only difference.
+ for (const char* str : {"quince", "red", "tart", "velvet"}) {
+ sorted.emplace_back(str);
+ }
+ EXPECT_TRUE(sorted.dynamic());
+
+ EXPECT_NE(sorted, strings);
+
+ // Replace second element with "pie".
+ const auto it = sorted.begin() + 1;
+ EXPECT_EQ(sorted.replace(it, 'p' + it->substr(1)), "pie");
+
+ EXPECT_EQ(sorted, strings);
+}
+
+namespace {
+
+struct DestroyCounts {
+ DestroyCounts(int& live, int& dead) : counts{live, dead} {}
+ DestroyCounts(const DestroyCounts& other) : counts(other.counts) {}
+ DestroyCounts(DestroyCounts&& other) : counts(other.counts) { other.alive = false; }
+ ~DestroyCounts() { ++(alive ? counts.live : counts.dead); }
+
+ struct {
+ int& live;
+ int& dead;
+ } counts;
+
+ bool alive = true;
+};
+
+void swap(DestroyCounts& lhs, DestroyCounts& rhs) {
+ std::swap(lhs.alive, rhs.alive);
+}
+
+} // namespace
+
+TEST(SmallVector, Destroy) {
+ int live = 0;
+ int dead = 0;
+
+ { SmallVector<DestroyCounts, 3> counts; }
+ EXPECT_EQ(0, live);
+ EXPECT_EQ(0, dead);
+
+ {
+ SmallVector<DestroyCounts, 3> counts;
+ counts.emplace_back(live, dead);
+ counts.emplace_back(live, dead);
+ counts.emplace_back(live, dead);
+
+ EXPECT_FALSE(counts.dynamic());
+ }
+ EXPECT_EQ(3, live);
+ EXPECT_EQ(0, dead);
+
+ live = 0;
+ {
+ SmallVector<DestroyCounts, 3> counts;
+ counts.emplace_back(live, dead);
+ counts.emplace_back(live, dead);
+ counts.emplace_back(live, dead);
+ counts.emplace_back(live, dead);
+
+ EXPECT_TRUE(counts.dynamic());
+ }
+ EXPECT_EQ(4, live);
+ EXPECT_EQ(3, dead);
+
+ live = dead = 0;
+ {
+ SmallVector<DestroyCounts, 2> counts;
+ counts.emplace_back(live, dead);
+ counts.emplace_back(live, dead);
+ counts.emplace_back(live, dead);
+
+ auto copy = counts;
+ EXPECT_TRUE(copy.dynamic());
+ }
+ EXPECT_EQ(6, live);
+ EXPECT_EQ(2, dead);
+
+ live = dead = 0;
+ {
+ SmallVector<DestroyCounts, 2> counts;
+ counts.emplace_back(live, dead);
+ counts.emplace_back(live, dead);
+ counts.emplace_back(live, dead);
+
+ auto move = std::move(counts);
+ EXPECT_TRUE(move.dynamic());
+ }
+ EXPECT_EQ(3, live);
+ EXPECT_EQ(2, dead);
+
+ live = dead = 0;
+ {
+ SmallVector<DestroyCounts, 2> counts1;
+ counts1.emplace_back(live, dead);
+ counts1.emplace_back(live, dead);
+ counts1.emplace_back(live, dead);
+
+ EXPECT_TRUE(counts1.dynamic());
+ EXPECT_EQ(2, dead);
+ dead = 0;
+
+ SmallVector<DestroyCounts, 2> counts2;
+ counts2.emplace_back(live, dead);
+
+ EXPECT_FALSE(counts2.dynamic());
+
+ swap(counts1, counts2);
+
+ EXPECT_FALSE(counts1.dynamic());
+ EXPECT_TRUE(counts2.dynamic());
+
+ EXPECT_EQ(0, live);
+ EXPECT_EQ(1, dead);
+
+ dead = 0;
+ }
+ EXPECT_EQ(4, live);
+ EXPECT_EQ(0, dead);
+}
+
+} // namespace android::test
diff --git a/libs/ftl/static_vector_test.cpp b/libs/ftl/static_vector_test.cpp
new file mode 100644
index 0000000..cbe8dff
--- /dev/null
+++ b/libs/ftl/static_vector_test.cpp
@@ -0,0 +1,399 @@
+/*
+ * Copyright 2020 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 <ftl/static_vector.h>
+#include <gtest/gtest.h>
+
+#include <algorithm>
+#include <iterator>
+#include <string>
+#include <utility>
+
+using namespace std::string_literals;
+
+namespace android::test {
+
+using ftl::StaticVector;
+
+// Keep in sync with example usage in header file.
+TEST(StaticVector, Example) {
+ ftl::StaticVector<char, 3> vector;
+ EXPECT_TRUE(vector.empty());
+
+ vector = {'a', 'b'};
+ EXPECT_EQ(vector.size(), 2u);
+
+ vector.push_back('c');
+ EXPECT_TRUE(vector.full());
+
+ EXPECT_FALSE(vector.push_back('d'));
+ EXPECT_EQ(vector.size(), 3u);
+
+ vector.unstable_erase(vector.begin());
+ EXPECT_EQ(vector, (ftl::StaticVector{'c', 'b'}));
+
+ vector.pop_back();
+ EXPECT_EQ(vector.back(), 'c');
+
+ const char array[] = "hi";
+ vector = ftl::StaticVector(array);
+ EXPECT_EQ(vector, (ftl::StaticVector{'h', 'i', '\0'}));
+
+ ftl::StaticVector strings = ftl::init::list<std::string>("abc")("123456", 3u)(3u, '?');
+ ASSERT_EQ(strings.size(), 3u);
+
+ EXPECT_EQ(strings[0], "abc");
+ EXPECT_EQ(strings[1], "123");
+ EXPECT_EQ(strings[2], "???");
+}
+
+TEST(StaticVector, Construct) {
+ {
+ // Default constructor.
+ StaticVector<std::string, 2> vector;
+ EXPECT_TRUE(vector.empty());
+ }
+ {
+ // Array constructor.
+ const float floats[] = {.1f, .2f, .3f};
+ StaticVector vector(floats);
+ EXPECT_EQ(vector, (StaticVector{.1f, .2f, .3f}));
+ }
+ {
+ // Iterator constructor.
+ const char chars[] = "abcdef";
+ std::string string(chars);
+ StaticVector<char, sizeof(chars)> vector(string.begin(), string.end());
+
+ EXPECT_STREQ(vector.begin(), chars);
+ }
+ {
+ // Variadic constructor with same types.
+ StaticVector vector = {1, 2, 3};
+
+ static_assert(std::is_same_v<decltype(vector), StaticVector<int, 3>>);
+ EXPECT_EQ(vector, (StaticVector{1, 2, 3}));
+ }
+ {
+ // Variadic constructor with different types.
+ const auto copy = "quince"s;
+ auto move = "tart"s;
+ StaticVector vector = {copy, std::move(move)};
+
+ static_assert(std::is_same_v<decltype(vector), StaticVector<std::string, 2>>);
+ EXPECT_EQ(vector, (StaticVector{"quince"s, "tart"s}));
+ }
+ {
+ // In-place constructor with same types.
+ StaticVector vector =
+ ftl::init::list<std::string>("redolent", 3u)("velveteen", 6u)("cakewalk", 4u);
+
+ static_assert(std::is_same_v<decltype(vector), StaticVector<std::string, 3>>);
+ EXPECT_EQ(vector, (StaticVector{"red"s, "velvet"s, "cake"s}));
+ }
+ {
+ // In-place constructor with different types.
+ const auto copy = "red"s;
+ auto move = "velvet"s;
+ std::initializer_list<char> list = {'c', 'a', 'k', 'e'};
+ StaticVector vector = ftl::init::list<std::string>(copy.c_str())(std::move(move))(list);
+
+ static_assert(std::is_same_v<decltype(vector), StaticVector<std::string, 3>>);
+ EXPECT_TRUE(move.empty());
+ EXPECT_EQ(vector, (StaticVector{"red"s, "velvet"s, "cake"s}));
+ }
+ {
+ struct String {
+ explicit String(const char* str) : str(str) {}
+ explicit String(const char** ptr) : str(*ptr) {}
+ const char* str;
+ };
+
+ const char* strings[] = {"a", "b", "c", "d"};
+
+ {
+ // Two iterator-like elements.
+ StaticVector<String, 3> vector(strings, strings + 3);
+ ASSERT_EQ(vector.size(), 2u);
+
+ EXPECT_STREQ(vector[0].str, "a");
+ EXPECT_STREQ(vector[1].str, "d");
+ }
+ {
+ // Disambiguating iterator constructor.
+ StaticVector<String, 3> vector(ftl::kIteratorRange, strings, strings + 3);
+ ASSERT_EQ(vector.size(), 3u);
+
+ EXPECT_STREQ(vector[0].str, "a");
+ EXPECT_STREQ(vector[1].str, "b");
+ EXPECT_STREQ(vector[2].str, "c");
+ }
+ }
+}
+
+TEST(StaticVector, String) {
+ StaticVector<char, 10> chars;
+ char c = 'a';
+ std::generate_n(std::back_inserter(chars), chars.max_size(), [&c] { return c++; });
+ chars.back() = '\0';
+
+ EXPECT_STREQ(chars.begin(), "abcdefghi");
+
+ // Constructor takes iterator range.
+ const char numbers[] = "123456";
+ StaticVector<char, 10> string(std::begin(numbers), std::end(numbers));
+
+ EXPECT_STREQ(string.begin(), "123456");
+ EXPECT_EQ(string.size(), 7u);
+
+ // Similar to emplace, but replaces rather than inserts.
+ string.replace(string.begin() + 5, '\0');
+ EXPECT_STREQ(string.begin(), "12345");
+
+ swap(chars, string);
+
+ EXPECT_STREQ(chars.begin(), "12345");
+ EXPECT_STREQ(string.begin(), "abcdefghi");
+}
+
+TEST(StaticVector, CopyableElement) {
+ struct Pair {
+ const int a, b;
+ bool operator==(Pair p) const { return p.a == a && p.b == b; }
+ };
+
+ StaticVector<Pair, 5> pairs;
+
+ EXPECT_TRUE(pairs.empty());
+ EXPECT_EQ(pairs.max_size(), 5u);
+
+ for (size_t i = 0; i < pairs.max_size(); ++i) {
+ EXPECT_EQ(pairs.size(), i);
+
+ const int a = static_cast<int>(i) * 2;
+ const auto it = pairs.emplace_back(a, a + 1);
+ ASSERT_NE(it, pairs.end());
+ EXPECT_EQ(*it, (Pair{a, a + 1}));
+ }
+
+ EXPECT_TRUE(pairs.full());
+ EXPECT_EQ(pairs.size(), 5u);
+
+ // Insertion fails if the vector is full.
+ const auto it = pairs.emplace_back(10, 11);
+ EXPECT_EQ(it, pairs.end());
+
+ EXPECT_EQ(pairs, (StaticVector{Pair{0, 1}, Pair{2, 3}, Pair{4, 5}, Pair{6, 7}, Pair{8, 9}}));
+
+ // Constructor takes at most N elements.
+ StaticVector<int, 6> sums = {0, 0, 0, 0, 0, -1};
+ EXPECT_TRUE(sums.full());
+
+ // Random-access iterators comply with standard.
+ std::transform(pairs.begin(), pairs.end(), sums.begin(), [](Pair p) { return p.a + p.b; });
+ EXPECT_EQ(sums, (StaticVector{1, 5, 9, 13, 17, -1}));
+
+ sums.pop_back();
+ std::reverse(sums.begin(), sums.end());
+
+ EXPECT_EQ(sums, (StaticVector{17, 13, 9, 5, 1}));
+}
+
+TEST(StaticVector, MovableElement) {
+ // Construct std::string elements in place from per-element arguments.
+ StaticVector strings = ftl::init::list<std::string>()()()("cake")("velvet")("red")();
+ strings.pop_back();
+
+ EXPECT_EQ(strings.max_size(), 7u);
+ EXPECT_EQ(strings.size(), 6u);
+
+ // Erase "cake" and append a substring copy.
+ {
+ auto it =
+ std::find_if(strings.begin(), strings.end(), [](const auto& s) { return !s.empty(); });
+ ASSERT_FALSE(it == strings.end());
+ EXPECT_EQ(*it, "cake");
+
+ strings.unstable_erase(it);
+
+ // Construct std::string from first 4 characters of string literal.
+ it = strings.emplace_back("cakewalk", 4u);
+ ASSERT_NE(it, strings.end());
+ EXPECT_EQ(*it, "cake"s);
+ }
+
+ strings[1] = "quince"s;
+
+ // Replace last empty string with "tart".
+ {
+ const auto rit = std::find(strings.rbegin(), strings.rend(), std::string());
+ ASSERT_FALSE(rit == strings.rend());
+
+ std::initializer_list<char> list = {'t', 'a', 'r', 't'};
+ strings.replace(rit.base() - 1, list);
+ }
+
+ strings.front().assign("pie");
+
+ EXPECT_EQ(strings, (StaticVector{"pie"s, "quince"s, "tart"s, "red"s, "velvet"s, "cake"s}));
+}
+
+TEST(StaticVector, Replace) {
+ // Replacing does not require a copy/move assignment operator.
+ struct Word {
+ explicit Word(std::string str) : str(std::move(str)) {}
+ const std::string str;
+ };
+
+ StaticVector words = ftl::init::list<Word>("red")("velour")("cake");
+
+ // The replaced element can be referenced by the replacement.
+ const auto it = words.begin() + 1;
+ const Word& word = words.replace(it, it->str.substr(0, 3) + "vet");
+ EXPECT_EQ(word.str, "velvet");
+}
+
+TEST(StaticVector, ReverseTruncate) {
+ StaticVector<std::string, 10> strings("pie", "quince", "tart", "red", "velvet", "cake");
+ EXPECT_FALSE(strings.full());
+
+ for (auto it = strings.begin(); it != strings.end(); ++it) {
+ strings.replace(it, strings.back());
+ strings.pop_back();
+ }
+
+ EXPECT_EQ(strings, (StaticVector{"cake"s, "velvet"s, "red"s}));
+}
+
+TEST(StaticVector, Sort) {
+ StaticVector<std::string, 7> strings("pie", "quince", "tart", "red", "velvet", "cake");
+ EXPECT_FALSE(strings.full());
+
+ auto sorted = std::move(strings);
+ EXPECT_TRUE(strings.empty());
+
+ std::sort(sorted.begin(), sorted.end());
+ EXPECT_EQ(sorted, (StaticVector{"cake"s, "pie"s, "quince"s, "red"s, "tart"s, "velvet"s}));
+
+ // Constructor takes array reference.
+ {
+ const char* array[] = {"cake", "lie"};
+ strings = StaticVector(array);
+ }
+
+ EXPECT_GT(sorted, strings);
+ swap(sorted, strings);
+ EXPECT_LT(sorted, strings);
+
+ // Append remaining elements, such that "pie" is the only difference.
+ for (const char* str : {"quince", "red", "tart", "velvet"}) {
+ sorted.emplace_back(str);
+ }
+
+ EXPECT_NE(sorted, strings);
+
+ // Replace second element with "pie".
+ const auto it = sorted.begin() + 1;
+ EXPECT_EQ(sorted.replace(it, 'p' + it->substr(1)), "pie");
+
+ EXPECT_EQ(sorted, strings);
+}
+
+namespace {
+
+struct DestroyCounts {
+ DestroyCounts(int& live, int& dead) : counts{live, dead} {}
+ DestroyCounts(const DestroyCounts& other) : counts(other.counts) {}
+ DestroyCounts(DestroyCounts&& other) : counts(other.counts) { other.alive = false; }
+ ~DestroyCounts() { ++(alive ? counts.live : counts.dead); }
+
+ struct {
+ int& live;
+ int& dead;
+ } counts;
+
+ bool alive = true;
+};
+
+void swap(DestroyCounts& lhs, DestroyCounts& rhs) {
+ std::swap(lhs.alive, rhs.alive);
+}
+
+} // namespace
+
+TEST(StaticVector, Destroy) {
+ int live = 0;
+ int dead = 0;
+
+ { StaticVector<DestroyCounts, 5> counts; }
+ EXPECT_EQ(0, live);
+ EXPECT_EQ(0, dead);
+
+ {
+ StaticVector<DestroyCounts, 5> counts;
+ counts.emplace_back(live, dead);
+ counts.emplace_back(live, dead);
+ counts.emplace_back(live, dead);
+ }
+ EXPECT_EQ(3, live);
+ EXPECT_EQ(0, dead);
+
+ live = 0;
+ {
+ StaticVector<DestroyCounts, 5> counts;
+ counts.emplace_back(live, dead);
+ counts.emplace_back(live, dead);
+ counts.emplace_back(live, dead);
+
+ auto copy = counts;
+ }
+ EXPECT_EQ(6, live);
+ EXPECT_EQ(0, dead);
+
+ live = 0;
+ {
+ StaticVector<DestroyCounts, 5> counts;
+ counts.emplace_back(live, dead);
+ counts.emplace_back(live, dead);
+ counts.emplace_back(live, dead);
+
+ auto move = std::move(counts);
+ }
+ EXPECT_EQ(3, live);
+ EXPECT_EQ(3, dead);
+
+ live = dead = 0;
+ {
+ StaticVector<DestroyCounts, 5> counts1;
+ counts1.emplace_back(live, dead);
+ counts1.emplace_back(live, dead);
+ counts1.emplace_back(live, dead);
+
+ StaticVector<DestroyCounts, 5> counts2;
+ counts2.emplace_back(live, dead);
+
+ swap(counts1, counts2);
+
+ EXPECT_EQ(0, live);
+ EXPECT_EQ(2, dead);
+
+ dead = 0;
+ }
+ EXPECT_EQ(4, live);
+ EXPECT_EQ(0, dead);
+}
+
+} // namespace android::test
diff --git a/libs/gui/BLASTBufferQueue.cpp b/libs/gui/BLASTBufferQueue.cpp
index 68000e4..8328322 100644
--- a/libs/gui/BLASTBufferQueue.cpp
+++ b/libs/gui/BLASTBufferQueue.cpp
@@ -22,8 +22,13 @@
#include <gui/BLASTBufferQueue.h>
#include <gui/BufferItemConsumer.h>
+#include <gui/BufferQueueConsumer.h>
+#include <gui/BufferQueueCore.h>
+#include <gui/BufferQueueProducer.h>
#include <gui/GLConsumer.h>
+#include <gui/IProducerListener.h>
#include <gui/Surface.h>
+#include <utils/Singleton.h>
#include <utils/Trace.h>
@@ -42,6 +47,10 @@
// Macros to include adapter info in log messages
#define BQA_LOGV(x, ...) \
ALOGV("[%s](f:%u,a:%u) " x, mName.c_str(), mNumFrameAvailable, mNumAcquired, ##__VA_ARGS__)
+// enable logs for a single layer
+//#define BQA_LOGV(x, ...) \
+// ALOGV_IF((strstr(mName.c_str(), "SurfaceView") != nullptr), "[%s](f:%u,a:%u) " x, \
+// mName.c_str(), mNumFrameAvailable, mNumAcquired, ##__VA_ARGS__)
#define BQA_LOGE(x, ...) \
ALOGE("[%s](f:%u,a:%u) " x, mName.c_str(), mNumFrameAvailable, mNumAcquired, ##__VA_ARGS__)
@@ -114,7 +123,7 @@
mSize(width, height),
mRequestedSize(mSize),
mNextTransaction(nullptr) {
- BufferQueue::createBufferQueue(&mProducer, &mConsumer);
+ createBufferQueue(&mProducer, &mConsumer);
// since the adapter is in the client process, set dequeue timeout
// explicitly so that dequeueBuffer will block
mProducer->setDequeueTimeout(std::numeric_limits<int64_t>::max());
@@ -248,7 +257,8 @@
BufferItem bufferItem;
- status_t status = mBufferItemConsumer->acquireBuffer(&bufferItem, -1, false);
+ status_t status =
+ mBufferItemConsumer->acquireBuffer(&bufferItem, 0 /* expectedPresent */, false);
if (status != OK) {
BQA_LOGE("Failed to acquire a buffer, err=%s", statusToString(status).c_str());
return;
@@ -449,4 +459,103 @@
return new BBQSurface(mProducer, true, scHandle, this);
}
+// Maintains a single worker thread per process that services a list of runnables.
+class AsyncWorker : public Singleton<AsyncWorker> {
+private:
+ std::thread mThread;
+ bool mDone = false;
+ std::deque<std::function<void()>> mRunnables;
+ std::mutex mMutex;
+ std::condition_variable mCv;
+ void run() {
+ std::unique_lock<std::mutex> lock(mMutex);
+ while (!mDone) {
+ mCv.wait(lock);
+ while (!mRunnables.empty()) {
+ std::function<void()> runnable = mRunnables.front();
+ mRunnables.pop_front();
+ runnable();
+ }
+ }
+ }
+
+public:
+ AsyncWorker() : Singleton<AsyncWorker>() { mThread = std::thread(&AsyncWorker::run, this); }
+
+ ~AsyncWorker() {
+ mDone = true;
+ mCv.notify_all();
+ if (mThread.joinable()) {
+ mThread.join();
+ }
+ }
+
+ void post(std::function<void()> runnable) {
+ std::unique_lock<std::mutex> lock(mMutex);
+ mRunnables.emplace_back(std::move(runnable));
+ mCv.notify_one();
+ }
+};
+ANDROID_SINGLETON_STATIC_INSTANCE(AsyncWorker);
+
+// Asynchronously calls ProducerListener functions so we can emulate one way binder calls.
+class AsyncProducerListener : public BnProducerListener {
+private:
+ const sp<IProducerListener> mListener;
+
+public:
+ AsyncProducerListener(const sp<IProducerListener>& listener) : mListener(listener) {}
+
+ void onBufferReleased() override {
+ AsyncWorker::getInstance().post([listener = mListener]() { listener->onBufferReleased(); });
+ }
+
+ void onBuffersDiscarded(const std::vector<int32_t>& slots) override {
+ AsyncWorker::getInstance().post(
+ [listener = mListener, slots = slots]() { listener->onBuffersDiscarded(slots); });
+ }
+};
+
+// Extends the BufferQueueProducer to create a wrapper around the listener so the listener calls
+// can be non-blocking when the producer is in the client process.
+class BBQBufferQueueProducer : public BufferQueueProducer {
+public:
+ BBQBufferQueueProducer(const sp<BufferQueueCore>& core)
+ : BufferQueueProducer(core, false /* consumerIsSurfaceFlinger*/) {}
+
+ status_t connect(const sp<IProducerListener>& listener, int api, bool producerControlledByApp,
+ QueueBufferOutput* output) override {
+ if (!listener) {
+ return BufferQueueProducer::connect(listener, api, producerControlledByApp, output);
+ }
+
+ return BufferQueueProducer::connect(new AsyncProducerListener(listener), api,
+ producerControlledByApp, output);
+ }
+};
+
+// Similar to BufferQueue::createBufferQueue but creates an adapter specific bufferqueue producer.
+// This BQP allows invoking client specified ProducerListeners and invoke them asynchronously,
+// emulating one way binder call behavior. Without this, if the listener calls back into the queue,
+// we can deadlock.
+void BLASTBufferQueue::createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
+ sp<IGraphicBufferConsumer>* outConsumer) {
+ LOG_ALWAYS_FATAL_IF(outProducer == nullptr, "BLASTBufferQueue: outProducer must not be NULL");
+ LOG_ALWAYS_FATAL_IF(outConsumer == nullptr, "BLASTBufferQueue: outConsumer must not be NULL");
+
+ sp<BufferQueueCore> core(new BufferQueueCore());
+ LOG_ALWAYS_FATAL_IF(core == nullptr, "BLASTBufferQueue: failed to create BufferQueueCore");
+
+ sp<IGraphicBufferProducer> producer(new BBQBufferQueueProducer(core));
+ LOG_ALWAYS_FATAL_IF(producer == nullptr,
+ "BLASTBufferQueue: failed to create BBQBufferQueueProducer");
+
+ sp<IGraphicBufferConsumer> consumer(new BufferQueueConsumer(core));
+ LOG_ALWAYS_FATAL_IF(consumer == nullptr,
+ "BLASTBufferQueue: failed to create BufferQueueConsumer");
+
+ *outProducer = producer;
+ *outConsumer = consumer;
+}
+
} // namespace android
diff --git a/libs/gui/ISurfaceComposer.cpp b/libs/gui/ISurfaceComposer.cpp
index e46a415..405658b 100644
--- a/libs/gui/ISurfaceComposer.cpp
+++ b/libs/gui/ISurfaceComposer.cpp
@@ -1230,6 +1230,21 @@
return remote()->transact(BnSurfaceComposer::ADD_TRANSACTION_TRACE_LISTENER, data, &reply);
}
+
+ /**
+ * Get priority of the RenderEngine in surface flinger.
+ */
+ virtual int getGPUContextPriority() {
+ Parcel data, reply;
+ data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+ status_t err =
+ remote()->transact(BnSurfaceComposer::GET_GPU_CONTEXT_PRIORITY, data, &reply);
+ if (err != NO_ERROR) {
+ ALOGE("getGPUContextPriority failed to read data: %s (%d)", strerror(-err), err);
+ return 0;
+ }
+ return reply.readInt32();
+ }
};
// Out-of-line virtual method definition to trigger vtable emission in this
@@ -2094,6 +2109,12 @@
return addTransactionTraceListener(listener);
}
+ case GET_GPU_CONTEXT_PRIORITY: {
+ CHECK_INTERFACE(ISurfaceComposer, data, reply);
+ int priority = getGPUContextPriority();
+ SAFE_PARCEL(reply->writeInt32, priority);
+ return NO_ERROR;
+ }
default: {
return BBinder::onTransact(code, data, reply, flags);
}
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 9ed7d1c..0d370d3 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -1988,6 +1988,10 @@
lightRadius);
}
+int SurfaceComposerClient::getGPUContextPriority() {
+ return ComposerService::getComposerService()->getGPUContextPriority();
+}
+
// ----------------------------------------------------------------------------
status_t ScreenshotClient::captureDisplay(const DisplayCaptureArgs& captureArgs,
diff --git a/libs/gui/include/gui/BLASTBufferQueue.h b/libs/gui/include/gui/BLASTBufferQueue.h
index 1139390..9edea31 100644
--- a/libs/gui/include/gui/BLASTBufferQueue.h
+++ b/libs/gui/include/gui/BLASTBufferQueue.h
@@ -97,6 +97,8 @@
// can't be copied
BLASTBufferQueue& operator = (const BLASTBufferQueue& rhs);
BLASTBufferQueue(const BLASTBufferQueue& rhs);
+ void createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
+ sp<IGraphicBufferConsumer>* outConsumer);
void processNextBufferLocked(bool useNextTransaction) REQUIRES(mMutex);
Rect computeCrop(const BufferItem& item) REQUIRES(mMutex);
diff --git a/libs/gui/include/gui/ISurfaceComposer.h b/libs/gui/include/gui/ISurfaceComposer.h
index 86e3a25..7d25d61 100644
--- a/libs/gui/include/gui/ISurfaceComposer.h
+++ b/libs/gui/include/gui/ISurfaceComposer.h
@@ -504,6 +504,11 @@
*/
virtual status_t addTransactionTraceListener(
const sp<gui::ITransactionTraceListener>& listener) = 0;
+
+ /**
+ * Gets priority of the RenderEngine in SurfaceFlinger.
+ */
+ virtual int getGPUContextPriority() = 0;
};
// ----------------------------------------------------------------------------
@@ -565,6 +570,7 @@
ACQUIRE_FRAME_RATE_FLEXIBILITY_TOKEN,
SET_FRAME_TIMELINE_VSYNC,
ADD_TRANSACTION_TRACE_LISTENER,
+ GET_GPU_CONTEXT_PRIORITY,
// Always append new enum to the end.
};
diff --git a/libs/gui/include/gui/SurfaceComposerClient.h b/libs/gui/include/gui/SurfaceComposerClient.h
index f1845ee..3ee4a39 100644
--- a/libs/gui/include/gui/SurfaceComposerClient.h
+++ b/libs/gui/include/gui/SurfaceComposerClient.h
@@ -185,6 +185,11 @@
static bool getProtectedContentSupport();
/**
+ * Gets the context priority of surface flinger's render engine.
+ */
+ static int getGPUContextPriority();
+
+ /**
* Uncaches a buffer in ISurfaceComposer. It must be uncached via a transaction so that it is
* in order with other transactions that use buffers.
*/
diff --git a/libs/gui/tests/BLASTBufferQueue_test.cpp b/libs/gui/tests/BLASTBufferQueue_test.cpp
index 4282ef9..17f8b97 100644
--- a/libs/gui/tests/BLASTBufferQueue_test.cpp
+++ b/libs/gui/tests/BLASTBufferQueue_test.cpp
@@ -475,6 +475,46 @@
/*border*/ 0, /*outsideRegion*/ true));
}
+class TestProducerListener : public BnProducerListener {
+public:
+ sp<IGraphicBufferProducer> mIgbp;
+ TestProducerListener(const sp<IGraphicBufferProducer>& igbp) : mIgbp(igbp) {}
+ void onBufferReleased() override {
+ sp<GraphicBuffer> buffer;
+ sp<Fence> fence;
+ mIgbp->detachNextBuffer(&buffer, &fence);
+ }
+};
+
+TEST_F(BLASTBufferQueueTest, CustomProducerListener) {
+ BLASTBufferQueueHelper adapter(mSurfaceControl, mDisplayWidth, mDisplayHeight);
+ sp<IGraphicBufferProducer> igbProducer = adapter.getIGraphicBufferProducer();
+ ASSERT_NE(nullptr, igbProducer.get());
+ ASSERT_EQ(NO_ERROR, igbProducer->setMaxDequeuedBufferCount(2));
+ IGraphicBufferProducer::QueueBufferOutput qbOutput;
+ ASSERT_EQ(NO_ERROR,
+ igbProducer->connect(new TestProducerListener(igbProducer), NATIVE_WINDOW_API_CPU,
+ false, &qbOutput));
+ ASSERT_NE(ui::Transform::ROT_INVALID, qbOutput.transformHint);
+ for (int i = 0; i < 3; i++) {
+ int slot;
+ sp<Fence> fence;
+ sp<GraphicBuffer> buf;
+ auto ret = igbProducer->dequeueBuffer(&slot, &fence, mDisplayWidth, mDisplayHeight,
+ PIXEL_FORMAT_RGBA_8888, GRALLOC_USAGE_SW_WRITE_OFTEN,
+ nullptr, nullptr);
+ ASSERT_EQ(IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION, ret);
+ ASSERT_EQ(OK, igbProducer->requestBuffer(slot, &buf));
+ IGraphicBufferProducer::QueueBufferOutput qbOutput;
+ IGraphicBufferProducer::QueueBufferInput input(systemTime(), false, HAL_DATASPACE_UNKNOWN,
+ Rect(mDisplayWidth, mDisplayHeight),
+ NATIVE_WINDOW_SCALING_MODE_FREEZE, 0,
+ Fence::NO_FENCE);
+ igbProducer->queueBuffer(slot, input, &qbOutput);
+ }
+ adapter.waitForCallbacks();
+}
+
class BLASTBufferQueueTransformTest : public BLASTBufferQueueTest {
public:
void test(uint32_t tr) {
diff --git a/libs/gui/tests/Surface_test.cpp b/libs/gui/tests/Surface_test.cpp
index ce3afa2..7761db8 100644
--- a/libs/gui/tests/Surface_test.cpp
+++ b/libs/gui/tests/Surface_test.cpp
@@ -887,6 +887,8 @@
return NO_ERROR;
}
+ int getGPUContextPriority() override { return 0; };
+
protected:
IBinder* onAsBinder() override { return nullptr; }
diff --git a/libs/input/InputDevice.cpp b/libs/input/InputDevice.cpp
index 34eba5b..2ed441d 100644
--- a/libs/input/InputDevice.cpp
+++ b/libs/input/InputDevice.cpp
@@ -23,6 +23,7 @@
#include <android-base/stringprintf.h>
#include <input/InputDevice.h>
#include <input/InputEventLabels.h>
+#include <input/NamedEnum.h>
using android::base::StringPrintf;
@@ -166,7 +167,9 @@
mKeyCharacterMap(other.mKeyCharacterMap),
mHasVibrator(other.mHasVibrator),
mHasButtonUnderPad(other.mHasButtonUnderPad),
- mMotionRanges(other.mMotionRanges) {}
+ mHasSensor(other.mHasSensor),
+ mMotionRanges(other.mMotionRanges),
+ mSensors(other.mSensors) {}
InputDeviceInfo::~InputDeviceInfo() {
}
@@ -185,7 +188,9 @@
mKeyboardType = AINPUT_KEYBOARD_TYPE_NONE;
mHasVibrator = false;
mHasButtonUnderPad = false;
+ mHasSensor = false;
mMotionRanges.clear();
+ mSensors.clear();
}
const InputDeviceInfo::MotionRange* InputDeviceInfo::getMotionRange(
@@ -214,4 +219,28 @@
mMotionRanges.push_back(range);
}
+void InputDeviceInfo::addSensorInfo(const InputDeviceSensorInfo& info) {
+ if (mSensors.find(info.type) != mSensors.end()) {
+ ALOGW("Sensor type %s already exists, will be replaced by new sensor added.",
+ NamedEnum::string(info.type).c_str());
+ }
+ mSensors.insert_or_assign(info.type, info);
+}
+
+const std::vector<InputDeviceSensorType> InputDeviceInfo::getSensorTypes() {
+ std::vector<InputDeviceSensorType> types;
+ for (const auto& [type, info] : mSensors) {
+ types.push_back(type);
+ }
+ return types;
+}
+
+const InputDeviceSensorInfo* InputDeviceInfo::getSensorInfo(InputDeviceSensorType type) {
+ auto it = mSensors.find(type);
+ if (it == mSensors.end()) {
+ return nullptr;
+ }
+ return &it->second;
+}
+
} // namespace android
diff --git a/libs/input/KeyCharacterMap.cpp b/libs/input/KeyCharacterMap.cpp
index f5432ad..44f3f34 100644
--- a/libs/input/KeyCharacterMap.cpp
+++ b/libs/input/KeyCharacterMap.cpp
@@ -103,6 +103,48 @@
}
}
+bool KeyCharacterMap::operator==(const KeyCharacterMap& other) const {
+ if (mType != other.mType) {
+ return false;
+ }
+ if (mKeys.size() != other.mKeys.size() ||
+ mKeysByScanCode.size() != other.mKeysByScanCode.size() ||
+ mKeysByUsageCode.size() != other.mKeysByUsageCode.size()) {
+ return false;
+ }
+
+ for (size_t i = 0; i < mKeys.size(); i++) {
+ if (mKeys.keyAt(i) != other.mKeys.keyAt(i)) {
+ return false;
+ }
+ const Key* key = mKeys.valueAt(i);
+ const Key* otherKey = other.mKeys.valueAt(i);
+ if (key->label != otherKey->label || key->number != otherKey->number) {
+ return false;
+ }
+ }
+
+ for (size_t i = 0; i < mKeysByScanCode.size(); i++) {
+ if (mKeysByScanCode.keyAt(i) != other.mKeysByScanCode.keyAt(i)) {
+ return false;
+ }
+ if (mKeysByScanCode.valueAt(i) != other.mKeysByScanCode.valueAt(i)) {
+ return false;
+ }
+ }
+
+ for (size_t i = 0; i < mKeysByUsageCode.size(); i++) {
+ if (mKeysByUsageCode.keyAt(i) != other.mKeysByUsageCode.keyAt(i)) {
+ return false;
+ }
+ if (mKeysByUsageCode.valueAt(i) != other.mKeysByUsageCode.valueAt(i)) {
+ return false;
+ }
+ }
+
+ return true;
+}
+
base::Result<std::shared_ptr<KeyCharacterMap>> KeyCharacterMap::load(const std::string& filename,
Format format) {
Tokenizer* tokenizer;
@@ -112,7 +154,7 @@
}
std::unique_ptr<Tokenizer> t(tokenizer);
auto ret = load(t.get(), format);
- if (ret) {
+ if (ret.ok()) {
(*ret)->mLoadFileName = filename;
}
return ret;
@@ -128,7 +170,7 @@
}
std::unique_ptr<Tokenizer> t(tokenizer);
auto ret = load(t.get(), format);
- if (ret) {
+ if (ret.ok()) {
(*ret)->mLoadFileName = filename;
}
return ret;
diff --git a/libs/input/KeyLayoutMap.cpp b/libs/input/KeyLayoutMap.cpp
index 16ce48a..fa5a541 100644
--- a/libs/input/KeyLayoutMap.cpp
+++ b/libs/input/KeyLayoutMap.cpp
@@ -20,12 +20,13 @@
#include <android/keycodes.h>
#include <input/InputEventLabels.h>
-#include <input/Keyboard.h>
#include <input/KeyLayoutMap.h>
-#include <utils/Log.h>
+#include <input/Keyboard.h>
+#include <input/NamedEnum.h>
#include <utils/Errors.h>
-#include <utils/Tokenizer.h>
+#include <utils/Log.h>
#include <utils/Timers.h>
+#include <utils/Tokenizer.h>
// Enables debug output for the parser.
#define DEBUG_PARSER 0
@@ -41,6 +42,26 @@
static const char* WHITESPACE = " \t\r";
+#define SENSOR_ENTRY(type) NamedEnum::string(type), type
+static const std::unordered_map<std::string, InputDeviceSensorType> SENSOR_LIST =
+ {{SENSOR_ENTRY(InputDeviceSensorType::ACCELEROMETER)},
+ {SENSOR_ENTRY(InputDeviceSensorType::MAGNETIC_FIELD)},
+ {SENSOR_ENTRY(InputDeviceSensorType::ORIENTATION)},
+ {SENSOR_ENTRY(InputDeviceSensorType::GYROSCOPE)},
+ {SENSOR_ENTRY(InputDeviceSensorType::LIGHT)},
+ {SENSOR_ENTRY(InputDeviceSensorType::PRESSURE)},
+ {SENSOR_ENTRY(InputDeviceSensorType::TEMPERATURE)},
+ {SENSOR_ENTRY(InputDeviceSensorType::PROXIMITY)},
+ {SENSOR_ENTRY(InputDeviceSensorType::GRAVITY)},
+ {SENSOR_ENTRY(InputDeviceSensorType::LINEAR_ACCELERATION)},
+ {SENSOR_ENTRY(InputDeviceSensorType::ROTATION_VECTOR)},
+ {SENSOR_ENTRY(InputDeviceSensorType::RELATIVE_HUMIDITY)},
+ {SENSOR_ENTRY(InputDeviceSensorType::AMBIENT_TEMPERATURE)},
+ {SENSOR_ENTRY(InputDeviceSensorType::MAGNETIC_FIELD_UNCALIBRATED)},
+ {SENSOR_ENTRY(InputDeviceSensorType::GAME_ROTATION_VECTOR)},
+ {SENSOR_ENTRY(InputDeviceSensorType::GYROSCOPE_UNCALIBRATED)},
+ {SENSOR_ENTRY(InputDeviceSensorType::SIGNIFICANT_MOTION)}};
+
// --- KeyLayoutMap ---
KeyLayoutMap::KeyLayoutMap() {
@@ -59,7 +80,7 @@
}
std::unique_ptr<Tokenizer> t(tokenizer);
auto ret = load(t.get());
- if (ret) {
+ if (ret.ok()) {
(*ret)->mLoadFileName = filename;
}
return ret;
@@ -74,7 +95,7 @@
}
std::unique_ptr<Tokenizer> t(tokenizer);
auto ret = load(t.get());
- if (ret) {
+ if (ret.ok()) {
(*ret)->mLoadFileName = filename;
}
return ret;
@@ -127,6 +148,24 @@
return NO_ERROR;
}
+// Return pair of sensor type and sensor data index, for the input device abs code
+base::Result<std::pair<InputDeviceSensorType, int32_t>> KeyLayoutMap::mapSensor(int32_t absCode) {
+ auto it = mSensorsByAbsCode.find(absCode);
+ if (it == mSensorsByAbsCode.end()) {
+#if DEBUG_MAPPING
+ ALOGD("mapSensor: absCode=%d, ~ Failed.", absCode);
+#endif
+ return Errorf("Can't find abs code {}.", absCode);
+ }
+ const Sensor& sensor = it->second;
+
+#if DEBUG_MAPPING
+ ALOGD("mapSensor: absCode=%d, sensorType=0x%0x, sensorDataIndex=0x%x.", absCode,
+ NamedEnum::string(sensor.sensorType), sensor.sensorDataIndex);
+#endif
+ return std::make_pair(sensor.sensorType, sensor.sensorDataIndex);
+}
+
const KeyLayoutMap::Key* KeyLayoutMap::getKey(int32_t scanCode, int32_t usageCode) const {
if (usageCode) {
ssize_t index = mKeysByUsageCode.indexOfKey(usageCode);
@@ -242,6 +281,10 @@
mTokenizer->skipDelimiters(WHITESPACE);
status_t status = parseLed();
if (status) return status;
+ } else if (keywordToken == "sensor") {
+ mTokenizer->skipDelimiters(WHITESPACE);
+ status_t status = parseSensor();
+ if (status) return status;
} else {
ALOGE("%s: Expected keyword, got '%s'.", mTokenizer->getLocation().string(),
keywordToken.string());
@@ -468,4 +511,84 @@
map.add(code, led);
return NO_ERROR;
}
+
+static std::optional<InputDeviceSensorType> getSensorType(const char* token) {
+ auto it = SENSOR_LIST.find(std::string(token));
+ if (it == SENSOR_LIST.end()) {
+ return std::nullopt;
+ }
+ return it->second;
+}
+
+static std::optional<int32_t> getSensorDataIndex(String8 token) {
+ std::string tokenStr(token.string());
+ if (tokenStr == "X") {
+ return 0;
+ } else if (tokenStr == "Y") {
+ return 1;
+ } else if (tokenStr == "Z") {
+ return 2;
+ }
+ return std::nullopt;
+}
+
+// Parse sensor type and data index mapping, as below format
+// sensor <raw abs> <sensor type> <sensor data index>
+// raw abs : the linux abs code of the axis
+// sensor type : string name of InputDeviceSensorType
+// sensor data index : the data index of sensor, out of [X, Y, Z]
+// Examples:
+// sensor 0x00 ACCELEROMETER X
+// sensor 0x01 ACCELEROMETER Y
+// sensor 0x02 ACCELEROMETER Z
+// sensor 0x03 GYROSCOPE X
+// sensor 0x04 GYROSCOPE Y
+// sensor 0x05 GYROSCOPE Z
+status_t KeyLayoutMap::Parser::parseSensor() {
+ String8 codeToken = mTokenizer->nextToken(WHITESPACE);
+ char* end;
+ int32_t code = int32_t(strtol(codeToken.string(), &end, 0));
+ if (*end) {
+ ALOGE("%s: Expected sensor %s number, got '%s'.", mTokenizer->getLocation().string(),
+ "abs code", codeToken.string());
+ return BAD_VALUE;
+ }
+
+ std::unordered_map<int32_t, Sensor>& map = mMap->mSensorsByAbsCode;
+ if (map.find(code) != map.end()) {
+ ALOGE("%s: Duplicate entry for sensor %s '%s'.", mTokenizer->getLocation().string(),
+ "abs code", codeToken.string());
+ return BAD_VALUE;
+ }
+
+ mTokenizer->skipDelimiters(WHITESPACE);
+ String8 sensorTypeToken = mTokenizer->nextToken(WHITESPACE);
+ std::optional<InputDeviceSensorType> typeOpt = getSensorType(sensorTypeToken.string());
+ if (!typeOpt) {
+ ALOGE("%s: Expected sensor code label, got '%s'.", mTokenizer->getLocation().string(),
+ sensorTypeToken.string());
+ return BAD_VALUE;
+ }
+ InputDeviceSensorType sensorType = typeOpt.value();
+ mTokenizer->skipDelimiters(WHITESPACE);
+ String8 sensorDataIndexToken = mTokenizer->nextToken(WHITESPACE);
+ std::optional<int32_t> indexOpt = getSensorDataIndex(sensorDataIndexToken);
+ if (!indexOpt) {
+ ALOGE("%s: Expected sensor data index label, got '%s'.", mTokenizer->getLocation().string(),
+ sensorDataIndexToken.string());
+ return BAD_VALUE;
+ }
+ int32_t sensorDataIndex = indexOpt.value();
+
+#if DEBUG_PARSER
+ ALOGD("Parsed sensor: abs code=%d, sensorType=%d, sensorDataIndex=%d.", code,
+ NamedEnum::string(sensorType).c_str(), sensorDataIndex);
+#endif
+
+ Sensor sensor;
+ sensor.sensorType = sensorType;
+ sensor.sensorDataIndex = sensorDataIndex;
+ map.emplace(code, sensor);
+ return NO_ERROR;
+}
};
diff --git a/libs/input/Keyboard.cpp b/libs/input/Keyboard.cpp
index 14dc9e5..f0895b3 100644
--- a/libs/input/Keyboard.cpp
+++ b/libs/input/Keyboard.cpp
@@ -111,7 +111,7 @@
}
base::Result<std::shared_ptr<KeyLayoutMap>> ret = KeyLayoutMap::load(path);
- if (!ret) {
+ if (!ret.ok()) {
return ret.error().code();
}
keyLayoutMap = *ret;
@@ -129,7 +129,7 @@
base::Result<std::shared_ptr<KeyCharacterMap>> ret =
KeyCharacterMap::load(path, KeyCharacterMap::Format::BASE);
- if (!ret) {
+ if (!ret.ok()) {
return ret.error().code();
}
keyCharacterMap = *ret;
diff --git a/libs/input/tests/InputDevice_test.cpp b/libs/input/tests/InputDevice_test.cpp
index c174ae9..f8f2f4e 100644
--- a/libs/input/tests/InputDevice_test.cpp
+++ b/libs/input/tests/InputDevice_test.cpp
@@ -14,9 +14,12 @@
* limitations under the License.
*/
-
+#include <binder/Binder.h>
+#include <binder/Parcel.h>
#include <gtest/gtest.h>
#include <input/InputDevice.h>
+#include <input/KeyLayoutMap.h>
+#include <input/Keyboard.h>
namespace android {
@@ -31,4 +34,52 @@
ASSERT_EQ(std::string("deviceName-123_version_C_"), identifier.getCanonicalName());
}
-} // namespace android
\ No newline at end of file
+class InputDeviceKeyMapTest : public testing::Test {
+protected:
+ void loadKeyLayout(const char* name) {
+ std::string path =
+ getInputDeviceConfigurationFilePathByName(name,
+ InputDeviceConfigurationFileType::
+ KEY_LAYOUT);
+ ASSERT_FALSE(path.empty());
+ base::Result<std::shared_ptr<KeyLayoutMap>> ret = KeyLayoutMap::load(path);
+ ASSERT_TRUE(ret.ok()) << "Cannot load KeyLayout at " << path;
+ mKeyMap.keyLayoutMap = std::move(*ret);
+ mKeyMap.keyLayoutFile = path;
+ }
+
+ void loadKeyCharacterMap(const char* name) {
+ InputDeviceIdentifier identifier;
+ identifier.name = name;
+ std::string path =
+ getInputDeviceConfigurationFilePathByName(identifier.getCanonicalName(),
+ InputDeviceConfigurationFileType::
+ KEY_CHARACTER_MAP);
+ ASSERT_FALSE(path.empty()) << "KeyCharacterMap for " << name << " not found";
+ base::Result<std::shared_ptr<KeyCharacterMap>> ret =
+ KeyCharacterMap::load(path, KeyCharacterMap::Format::BASE);
+ ASSERT_TRUE(ret.ok()) << "Cannot load KeyCharacterMap at " << path;
+ mKeyMap.keyCharacterMap = *ret;
+ mKeyMap.keyCharacterMapFile = path;
+ }
+
+ virtual void SetUp() override {
+ loadKeyLayout("Generic");
+ loadKeyCharacterMap("Generic");
+ }
+
+ virtual void TearDown() override {}
+
+ KeyMap mKeyMap;
+};
+
+TEST_F(InputDeviceKeyMapTest, keyCharacterMapParcelingTest) {
+ Parcel parcel;
+ mKeyMap.keyCharacterMap->writeToParcel(&parcel);
+ parcel.setDataPosition(0);
+ std::shared_ptr<KeyCharacterMap> map = KeyCharacterMap::readFromParcel(&parcel);
+ // Verify the key character map is the same as original
+ ASSERT_EQ(*map, *mKeyMap.keyCharacterMap);
+}
+
+} // namespace android
diff --git a/libs/renderengine/gl/GLESRenderEngine.cpp b/libs/renderengine/gl/GLESRenderEngine.cpp
index 279e648..c88e298 100644
--- a/libs/renderengine/gl/GLESRenderEngine.cpp
+++ b/libs/renderengine/gl/GLESRenderEngine.cpp
@@ -222,6 +222,29 @@
return err;
}
+std::optional<RenderEngine::ContextPriority> GLESRenderEngine::createContextPriority(
+ const RenderEngineCreationArgs& args) {
+ if (!GLExtensions::getInstance().hasContextPriority()) {
+ return std::nullopt;
+ }
+
+ switch (args.contextPriority) {
+ case RenderEngine::ContextPriority::REALTIME:
+ if (gl::GLExtensions::getInstance().hasRealtimePriority()) {
+ return RenderEngine::ContextPriority::REALTIME;
+ } else {
+ ALOGI("Realtime priority unsupported, degrading gracefully to high priority");
+ return RenderEngine::ContextPriority::HIGH;
+ }
+ case RenderEngine::ContextPriority::HIGH:
+ case RenderEngine::ContextPriority::MEDIUM:
+ case RenderEngine::ContextPriority::LOW:
+ return args.contextPriority;
+ default:
+ return std::nullopt;
+ }
+}
+
std::unique_ptr<GLESRenderEngine> GLESRenderEngine::create(const RenderEngineCreationArgs& args) {
// initialize EGL for the default display
EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
@@ -235,6 +258,7 @@
LOG_ALWAYS_FATAL("eglQueryString(EGL_VERSION) failed");
}
+ // Use the Android impl to grab EGL_NV_context_priority_realtime
const auto eglExtensions = eglQueryString(display, EGL_EXTENSIONS);
if (!eglExtensions) {
checkGlError(__FUNCTION__, __LINE__);
@@ -251,17 +275,16 @@
config = chooseEglConfig(display, args.pixelFormat, /*logConfig*/ true);
}
- bool useContextPriority =
- extensions.hasContextPriority() && args.contextPriority == ContextPriority::HIGH;
+ const std::optional<RenderEngine::ContextPriority> priority = createContextPriority(args);
EGLContext protectedContext = EGL_NO_CONTEXT;
if (args.enableProtectedContext && extensions.hasProtectedContent()) {
- protectedContext = createEglContext(display, config, nullptr, useContextPriority,
- Protection::PROTECTED);
+ protectedContext =
+ createEglContext(display, config, nullptr, priority, Protection::PROTECTED);
ALOGE_IF(protectedContext == EGL_NO_CONTEXT, "Can't create protected context");
}
- EGLContext ctxt = createEglContext(display, config, protectedContext, useContextPriority,
- Protection::UNPROTECTED);
+ EGLContext ctxt =
+ createEglContext(display, config, protectedContext, priority, Protection::UNPROTECTED);
// if can't create a GL context, we can only abort.
LOG_ALWAYS_FATAL_IF(ctxt == EGL_NO_CONTEXT, "EGLContext creation failed");
@@ -311,7 +334,6 @@
ALOGI("extensions: %s", extensions.getExtensions());
ALOGI("GL_MAX_TEXTURE_SIZE = %zu", engine->getMaxTextureSize());
ALOGI("GL_MAX_VIEWPORT_DIMS = %zu", engine->getMaxViewportDims());
-
return engine;
}
@@ -802,6 +824,12 @@
ALOGV("Failed to find image for buffer: %" PRIu64, bufferId);
}
+int GLESRenderEngine::getContextPriority() {
+ int value;
+ eglQueryContext(mEGLDisplay, mEGLContext, EGL_CONTEXT_PRIORITY_LEVEL_IMG, &value);
+ return value;
+}
+
FloatRect GLESRenderEngine::setupLayerCropping(const LayerSettings& layer, Mesh& mesh) {
// Translate win by the rounded corners rect coordinates, to have all values in
// layer coordinate space.
@@ -1617,7 +1645,8 @@
}
EGLContext GLESRenderEngine::createEglContext(EGLDisplay display, EGLConfig config,
- EGLContext shareContext, bool useContextPriority,
+ EGLContext shareContext,
+ std::optional<ContextPriority> contextPriority,
Protection protection) {
EGLint renderableType = 0;
if (config == EGL_NO_CONFIG) {
@@ -1640,9 +1669,23 @@
contextAttributes.reserve(7);
contextAttributes.push_back(EGL_CONTEXT_CLIENT_VERSION);
contextAttributes.push_back(contextClientVersion);
- if (useContextPriority) {
+ if (contextPriority) {
contextAttributes.push_back(EGL_CONTEXT_PRIORITY_LEVEL_IMG);
- contextAttributes.push_back(EGL_CONTEXT_PRIORITY_HIGH_IMG);
+ switch (*contextPriority) {
+ case ContextPriority::REALTIME:
+ contextAttributes.push_back(EGL_CONTEXT_PRIORITY_REALTIME_NV);
+ break;
+ case ContextPriority::MEDIUM:
+ contextAttributes.push_back(EGL_CONTEXT_PRIORITY_MEDIUM_IMG);
+ break;
+ case ContextPriority::LOW:
+ contextAttributes.push_back(EGL_CONTEXT_PRIORITY_LOW_IMG);
+ break;
+ case ContextPriority::HIGH:
+ default:
+ contextAttributes.push_back(EGL_CONTEXT_PRIORITY_HIGH_IMG);
+ break;
+ }
}
if (protection == Protection::PROTECTED) {
contextAttributes.push_back(EGL_PROTECTED_CONTENT_EXT);
diff --git a/libs/renderengine/gl/GLESRenderEngine.h b/libs/renderengine/gl/GLESRenderEngine.h
index 92e1529..64d6c6b 100644
--- a/libs/renderengine/gl/GLESRenderEngine.h
+++ b/libs/renderengine/gl/GLESRenderEngine.h
@@ -71,6 +71,7 @@
const sp<GraphicBuffer>& buffer, const bool useFramebufferCache,
base::unique_fd&& bufferFence, base::unique_fd* drawFence) override;
bool cleanupPostRender(CleanupMode mode) override;
+ int getContextPriority() override;
EGLDisplay getEGLDisplay() const { return mEGLDisplay; }
// Creates an output image for rendering to
@@ -116,8 +117,11 @@
static EGLConfig chooseEglConfig(EGLDisplay display, int format, bool logConfig);
static GlesVersion parseGlesVersion(const char* str);
static EGLContext createEglContext(EGLDisplay display, EGLConfig config,
- EGLContext shareContext, bool useContextPriority,
+ EGLContext shareContext,
+ std::optional<ContextPriority> contextPriority,
Protection protection);
+ static std::optional<RenderEngine::ContextPriority> createContextPriority(
+ const RenderEngineCreationArgs& args);
static EGLSurface createStubEglPbufferSurface(EGLDisplay display, EGLConfig config,
int hwcFormat, Protection protection);
std::unique_ptr<Framebuffer> createFramebuffer();
diff --git a/libs/renderengine/gl/GLExtensions.cpp b/libs/renderengine/gl/GLExtensions.cpp
index 2924b0e..3dd534e 100644
--- a/libs/renderengine/gl/GLExtensions.cpp
+++ b/libs/renderengine/gl/GLExtensions.cpp
@@ -120,6 +120,10 @@
if (extensionSet.hasExtension("EGL_KHR_surfaceless_context")) {
mHasSurfacelessContext = true;
}
+
+ if (extensionSet.hasExtension("EGL_NV_context_priority_realtime")) {
+ mHasRealtimePriority = true;
+ }
}
char const* GLExtensions::getEGLVersion() const {
diff --git a/libs/renderengine/gl/GLExtensions.h b/libs/renderengine/gl/GLExtensions.h
index ef00009..e415ff3 100644
--- a/libs/renderengine/gl/GLExtensions.h
+++ b/libs/renderengine/gl/GLExtensions.h
@@ -41,6 +41,7 @@
bool hasContextPriority() const { return mHasContextPriority; }
bool hasSurfacelessContext() const { return mHasSurfacelessContext; }
bool hasProtectedTexture() const { return mHasProtectedTexture; }
+ bool hasRealtimePriority() const { return mHasRealtimePriority; }
void initWithGLStrings(GLubyte const* vendor, GLubyte const* renderer, GLubyte const* version,
GLubyte const* extensions);
@@ -67,6 +68,7 @@
bool mHasContextPriority = false;
bool mHasSurfacelessContext = false;
bool mHasProtectedTexture = false;
+ bool mHasRealtimePriority = false;
String8 mVendor;
String8 mRenderer;
diff --git a/libs/renderengine/gl/ProgramCache.cpp b/libs/renderengine/gl/ProgramCache.cpp
index 7fc0499..5ff9240 100644
--- a/libs/renderengine/gl/ProgramCache.cpp
+++ b/libs/renderengine/gl/ProgramCache.cpp
@@ -740,15 +740,6 @@
if (needs.isOpaque()) {
fs << "gl_FragColor.a = 1.0;";
}
- if (needs.hasAlpha()) {
- // modulate the current alpha value with alpha set
- if (needs.isPremultiplied()) {
- // ... and the color too if we're premultiplied
- fs << "gl_FragColor *= color.a;";
- } else {
- fs << "gl_FragColor.a *= color.a;";
- }
- }
}
if (needs.hasTransformMatrix() || (needs.getInputTF() != needs.getOutputTF()) ||
@@ -768,6 +759,23 @@
}
}
+ /*
+ * Whether applying layer alpha before or after color transform doesn't matter,
+ * as long as we can undo premultiplication. But we cannot un-premultiply
+ * for color transform if the layer alpha = 0, e.g. 0 / (0 + 0.0019) = 0.
+ */
+ if (!needs.drawShadows()) {
+ if (needs.hasAlpha()) {
+ // modulate the current alpha value with alpha set
+ if (needs.isPremultiplied()) {
+ // ... and the color too if we're premultiplied
+ fs << "gl_FragColor *= color.a;";
+ } else {
+ fs << "gl_FragColor.a *= color.a;";
+ }
+ }
+ }
+
if (needs.hasRoundedCorners()) {
if (needs.isPremultiplied()) {
fs << "gl_FragColor *= vec4(applyCornerRadius(outCropCoords));";
diff --git a/libs/renderengine/include/renderengine/LayerSettings.h b/libs/renderengine/include/renderengine/LayerSettings.h
index d8d989e..3a727c9 100644
--- a/libs/renderengine/include/renderengine/LayerSettings.h
+++ b/libs/renderengine/include/renderengine/LayerSettings.h
@@ -154,6 +154,9 @@
int backgroundBlurRadius = 0;
std::vector<BlurRegion> blurRegions;
+
+ // Name associated with the layer for debugging purposes.
+ std::string name;
};
// Keep in sync with custom comparison function in
@@ -274,6 +277,10 @@
*os << "\n .colorTransform = " << settings.colorTransform;
*os << "\n .disableBlending = " << settings.disableBlending;
*os << "\n .backgroundBlurRadius = " << settings.backgroundBlurRadius;
+ for (auto blurRegion : settings.blurRegions) {
+ *os << "\n";
+ PrintTo(blurRegion, os);
+ }
*os << "\n .shadow = ";
PrintTo(settings.shadow, os);
*os << "\n}";
diff --git a/libs/renderengine/include/renderengine/RenderEngine.h b/libs/renderengine/include/renderengine/RenderEngine.h
index ef12fd2..9157066 100644
--- a/libs/renderengine/include/renderengine/RenderEngine.h
+++ b/libs/renderengine/include/renderengine/RenderEngine.h
@@ -75,6 +75,7 @@
LOW = 1,
MEDIUM = 2,
HIGH = 3,
+ REALTIME = 4,
};
enum class RenderEngineType {
@@ -181,6 +182,10 @@
const sp<GraphicBuffer>& buffer, const bool useFramebufferCache,
base::unique_fd&& bufferFence, base::unique_fd* drawFence) = 0;
virtual void cleanFramebufferCache() = 0;
+ // Returns the priority this context was actually created with. Note: this may not be
+ // the same as specified at context creation time, due to implementation limits on the
+ // number of contexts that can be created at a specific priority level in the system.
+ virtual int getContextPriority() = 0;
protected:
friend class threaded::RenderEngineThreaded;
diff --git a/libs/renderengine/include/renderengine/mock/RenderEngine.h b/libs/renderengine/include/renderengine/mock/RenderEngine.h
index 95ee925..2c34da4 100644
--- a/libs/renderengine/include/renderengine/mock/RenderEngine.h
+++ b/libs/renderengine/include/renderengine/mock/RenderEngine.h
@@ -53,6 +53,7 @@
const sp<GraphicBuffer>&, const bool, base::unique_fd&&,
base::unique_fd*));
MOCK_METHOD0(cleanFramebufferCache, void());
+ MOCK_METHOD0(getContextPriority, int());
};
} // namespace mock
diff --git a/libs/renderengine/skia/SkiaGLRenderEngine.cpp b/libs/renderengine/skia/SkiaGLRenderEngine.cpp
index 19e2bb6..3d6b7af 100644
--- a/libs/renderengine/skia/SkiaGLRenderEngine.cpp
+++ b/libs/renderengine/skia/SkiaGLRenderEngine.cpp
@@ -169,17 +169,16 @@
config = chooseEglConfig(display, args.pixelFormat, /*logConfig*/ true);
}
- bool useContextPriority =
- extensions.hasContextPriority() && args.contextPriority == ContextPriority::HIGH;
EGLContext protectedContext = EGL_NO_CONTEXT;
+ const std::optional<RenderEngine::ContextPriority> priority = createContextPriority(args);
if (args.enableProtectedContext && extensions.hasProtectedContent()) {
- protectedContext = createEglContext(display, config, nullptr, useContextPriority,
- Protection::PROTECTED);
+ protectedContext =
+ createEglContext(display, config, nullptr, priority, Protection::PROTECTED);
ALOGE_IF(protectedContext == EGL_NO_CONTEXT, "Can't create protected context");
}
- EGLContext ctxt = createEglContext(display, config, protectedContext, useContextPriority,
- Protection::UNPROTECTED);
+ EGLContext ctxt =
+ createEglContext(display, config, protectedContext, priority, Protection::UNPROTECTED);
// if can't create a GL context, we can only abort.
LOG_ALWAYS_FATAL_IF(ctxt == EGL_NO_CONTEXT, "EGLContext creation failed");
@@ -477,10 +476,23 @@
mGrContext.get());
SkCanvas* canvas = mCapture.tryCapture(surface.get());
+ if (canvas == nullptr) {
+ ALOGE("Cannot acquire canvas from Skia.");
+ return BAD_VALUE;
+ }
// Clear the entire canvas with a transparent black to prevent ghost images.
canvas->clear(SK_ColorTRANSPARENT);
canvas->save();
+ if (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.
@@ -511,6 +523,15 @@
for (const auto& layer : layers) {
canvas->save();
+ if (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());
@@ -587,6 +608,10 @@
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(layer->geometry.boundaries.left, layer->geometry.boundaries.top);
sk_sp<SkShader> shader;
@@ -649,12 +674,11 @@
drawShadow(canvas, rect, layer->geometry.roundedCornersRadius, layer->shadow);
}
+ // Push the clipRRect onto the clip stack. Draw the image. Pop the clip.
if (layer->geometry.roundedCornersRadius > 0) {
- canvas->drawRRect(getRoundedRect(layer), paint);
- } else {
- canvas->drawRect(dest, paint);
+ canvas->clipRRect(getRoundedRect(layer), true);
}
-
+ canvas->drawRect(dest, paint);
canvas->restore();
}
canvas->restore();
@@ -698,7 +722,7 @@
}
inline SkRRect SkiaGLRenderEngine::getRoundedRect(const LayerSettings* layer) {
- const auto rect = getSkRect(layer->geometry.boundaries);
+ const auto rect = getSkRect(layer->geometry.roundedCornersCrop);
const auto cornerRadius = layer->geometry.roundedCornersRadius;
return SkRRect::MakeRectXY(rect, cornerRadius, cornerRadius);
}
@@ -807,7 +831,8 @@
}
EGLContext SkiaGLRenderEngine::createEglContext(EGLDisplay display, EGLConfig config,
- EGLContext shareContext, bool useContextPriority,
+ EGLContext shareContext,
+ std::optional<ContextPriority> contextPriority,
Protection protection) {
EGLint renderableType = 0;
if (config == EGL_NO_CONFIG_KHR) {
@@ -830,9 +855,23 @@
contextAttributes.reserve(7);
contextAttributes.push_back(EGL_CONTEXT_CLIENT_VERSION);
contextAttributes.push_back(contextClientVersion);
- if (useContextPriority) {
+ if (contextPriority) {
contextAttributes.push_back(EGL_CONTEXT_PRIORITY_LEVEL_IMG);
- contextAttributes.push_back(EGL_CONTEXT_PRIORITY_HIGH_IMG);
+ switch (*contextPriority) {
+ case ContextPriority::REALTIME:
+ contextAttributes.push_back(EGL_CONTEXT_PRIORITY_REALTIME_NV);
+ break;
+ case ContextPriority::MEDIUM:
+ contextAttributes.push_back(EGL_CONTEXT_PRIORITY_MEDIUM_IMG);
+ break;
+ case ContextPriority::LOW:
+ contextAttributes.push_back(EGL_CONTEXT_PRIORITY_LOW_IMG);
+ break;
+ case ContextPriority::HIGH:
+ default:
+ contextAttributes.push_back(EGL_CONTEXT_PRIORITY_HIGH_IMG);
+ break;
+ }
}
if (protection == Protection::PROTECTED) {
contextAttributes.push_back(EGL_PROTECTED_CONTENT_EXT);
@@ -857,6 +896,29 @@
return context;
}
+std::optional<RenderEngine::ContextPriority> SkiaGLRenderEngine::createContextPriority(
+ const RenderEngineCreationArgs& args) {
+ if (!gl::GLExtensions::getInstance().hasContextPriority()) {
+ return std::nullopt;
+ }
+
+ switch (args.contextPriority) {
+ case RenderEngine::ContextPriority::REALTIME:
+ if (gl::GLExtensions::getInstance().hasRealtimePriority()) {
+ return RenderEngine::ContextPriority::REALTIME;
+ } else {
+ ALOGI("Realtime priority unsupported, degrading gracefully to high priority");
+ return RenderEngine::ContextPriority::HIGH;
+ }
+ case RenderEngine::ContextPriority::HIGH:
+ case RenderEngine::ContextPriority::MEDIUM:
+ case RenderEngine::ContextPriority::LOW:
+ return args.contextPriority;
+ default:
+ return std::nullopt;
+ }
+}
+
EGLSurface SkiaGLRenderEngine::createPlaceholderEglPbufferSurface(EGLDisplay display,
EGLConfig config, int hwcFormat,
Protection protection) {
@@ -881,6 +943,12 @@
void SkiaGLRenderEngine::cleanFramebufferCache() {}
+int SkiaGLRenderEngine::getContextPriority() {
+ int value;
+ eglQueryContext(mEGLDisplay, mEGLContext, EGL_CONTEXT_PRIORITY_LEVEL_IMG, &value);
+ return value;
+}
+
} // namespace skia
} // namespace renderengine
} // namespace android
diff --git a/libs/renderengine/skia/SkiaGLRenderEngine.h b/libs/renderengine/skia/SkiaGLRenderEngine.h
index b53250e..3d8c693 100644
--- a/libs/renderengine/skia/SkiaGLRenderEngine.h
+++ b/libs/renderengine/skia/SkiaGLRenderEngine.h
@@ -56,6 +56,7 @@
const sp<GraphicBuffer>& buffer, const bool useFramebufferCache,
base::unique_fd&& bufferFence, base::unique_fd* drawFence) override;
void cleanFramebufferCache() override;
+ int getContextPriority() override;
bool isProtected() const override { return mInProtectedContext; }
bool supportsProtectedContent() const override;
bool useProtectedContext(bool useProtectedContext) override;
@@ -68,8 +69,11 @@
private:
static EGLConfig chooseEglConfig(EGLDisplay display, int format, bool logConfig);
static EGLContext createEglContext(EGLDisplay display, EGLConfig config,
- EGLContext shareContext, bool useContextPriority,
+ EGLContext shareContext,
+ std::optional<ContextPriority> contextPriority,
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);
diff --git a/libs/renderengine/skia/SkiaRenderEngine.h b/libs/renderengine/skia/SkiaRenderEngine.h
index 2352c7e..12b8586 100644
--- a/libs/renderengine/skia/SkiaRenderEngine.h
+++ b/libs/renderengine/skia/SkiaRenderEngine.h
@@ -56,6 +56,7 @@
return 0;
};
virtual bool cleanupPostRender(CleanupMode) override { return true; };
+ virtual int getContextPriority() override { return 0; }
};
} // namespace skia
diff --git a/libs/renderengine/skia/debug/SkiaCapture.h b/libs/renderengine/skia/debug/SkiaCapture.h
index 52717a7..eaaf598 100644
--- a/libs/renderengine/skia/debug/SkiaCapture.h
+++ b/libs/renderengine/skia/debug/SkiaCapture.h
@@ -45,6 +45,8 @@
SkCanvas* tryCapture(SkSurface* surface);
// Called at the end of every frame.
void endCapture();
+ // Returns whether the capture is running.
+ bool isCaptureRunning() { return mCaptureRunning; }
private:
// Performs the first-frame work of a multi frame SKP capture. Returns true if successful.
diff --git a/libs/renderengine/tests/RenderEngineTest.cpp b/libs/renderengine/tests/RenderEngineTest.cpp
index e825742..d9dfd8c 100644
--- a/libs/renderengine/tests/RenderEngineTest.cpp
+++ b/libs/renderengine/tests/RenderEngineTest.cpp
@@ -406,6 +406,12 @@
void fillBufferColorTransform();
template <typename SourceVariant>
+ void fillBufferWithColorTransformZeroLayerAlpha();
+
+ template <typename SourceVariant>
+ void fillBufferColorTransformZeroLayerAlpha();
+
+ template <typename SourceVariant>
void fillRedBufferWithRoundedCorners();
template <typename SourceVariant>
@@ -765,6 +771,36 @@
}
template <typename SourceVariant>
+void RenderEngineTest::fillBufferWithColorTransformZeroLayerAlpha() {
+ renderengine::DisplaySettings settings;
+ settings.physicalDisplay = fullscreenRect();
+ settings.clip = Rect(1, 1);
+
+ std::vector<const renderengine::LayerSettings*> layers;
+
+ renderengine::LayerSettings layer;
+ layer.geometry.boundaries = Rect(1, 1).toFloatRect();
+ SourceVariant::fillColor(layer, 0.5f, 0.25f, 0.125f, this);
+ layer.alpha = 0;
+
+ // construct a fake color matrix
+ // simple inverse color
+ settings.colorTransform = mat4(-1, 0, 0, 0, 0, -1, 0, 0, 0, 0, -1, 0, 1, 1, 1, 1);
+
+ layer.geometry.boundaries = Rect(1, 1).toFloatRect();
+
+ layers.push_back(&layer);
+
+ invokeDraw(settings, layers, mBuffer);
+}
+
+template <typename SourceVariant>
+void RenderEngineTest::fillBufferColorTransformZeroLayerAlpha() {
+ fillBufferWithColorTransformZeroLayerAlpha<SourceVariant>();
+ expectBufferColor(fullscreenRect(), 0, 0, 0, 0);
+}
+
+template <typename SourceVariant>
void RenderEngineTest::fillRedBufferWithRoundedCorners() {
renderengine::DisplaySettings settings;
settings.physicalDisplay = fullscreenRect();
@@ -1240,6 +1276,13 @@
fillBufferWithRoundedCorners<ColorSourceVariant>();
}
+TEST_P(RenderEngineTest, drawLayers_fillBufferColorTransformZeroLayerAlpha_colorSource) {
+ const auto& renderEngineFactory = GetParam();
+ mRE = renderEngineFactory->createRenderEngine();
+
+ fillBufferColorTransformZeroLayerAlpha<ColorSourceVariant>();
+}
+
TEST_P(RenderEngineTest, drawLayers_fillBufferAndBlurBackground_colorSource) {
const auto& renderEngineFactory = GetParam();
mRE = renderEngineFactory->createRenderEngine();
@@ -1337,6 +1380,12 @@
fillBufferWithRoundedCorners<BufferSourceVariant<ForceOpaqueBufferVariant>>();
}
+TEST_P(RenderEngineTest, drawLayers_fillBufferColorTransformZeroLayerAlpha_opaqueBufferSource) {
+ const auto& renderEngineFactory = GetParam();
+ mRE = renderEngineFactory->createRenderEngine();
+
+ fillBufferColorTransformZeroLayerAlpha<BufferSourceVariant<ForceOpaqueBufferVariant>>();
+}
TEST_P(RenderEngineTest, drawLayers_fillBufferAndBlurBackground_opaqueBufferSource) {
const auto& renderEngineFactory = GetParam();
@@ -1436,6 +1485,13 @@
fillBufferWithRoundedCorners<BufferSourceVariant<RelaxOpaqueBufferVariant>>();
}
+TEST_P(RenderEngineTest, drawLayers_fillBufferColorTransformZeroLayerAlpha_bufferSource) {
+ const auto& renderEngineFactory = GetParam();
+ mRE = renderEngineFactory->createRenderEngine();
+
+ fillBufferColorTransformZeroLayerAlpha<BufferSourceVariant<RelaxOpaqueBufferVariant>>();
+}
+
TEST_P(RenderEngineTest, drawLayers_fillBufferAndBlurBackground_bufferSource) {
const auto& renderEngineFactory = GetParam();
mRE = renderEngineFactory->createRenderEngine();
@@ -1735,6 +1791,56 @@
EXPECT_TRUE(mRE->isTextureNameKnownForTesting(texName));
}
+TEST_P(RenderEngineTest, testRoundedCornersCrop) {
+ const auto& renderEngineFactory = GetParam();
+ mRE = renderEngineFactory->createRenderEngine();
+
+ renderengine::DisplaySettings settings;
+ settings.physicalDisplay = fullscreenRect();
+ settings.clip = fullscreenRect();
+ settings.outputDataspace = ui::Dataspace::V0_SRGB_LINEAR;
+
+ std::vector<const renderengine::LayerSettings*> layers;
+
+ renderengine::LayerSettings redLayer;
+ redLayer.sourceDataspace = ui::Dataspace::V0_SRGB_LINEAR;
+ redLayer.geometry.boundaries = fullscreenRect().toFloatRect();
+ redLayer.geometry.roundedCornersRadius = 5.0f;
+ redLayer.geometry.roundedCornersCrop = fullscreenRect().toFloatRect();
+ // Red background.
+ redLayer.source.solidColor = half3(1.0f, 0.0f, 0.0f);
+ redLayer.alpha = 1.0f;
+
+ layers.push_back(&redLayer);
+
+ // Green layer with 1/3 size.
+ renderengine::LayerSettings greenLayer;
+ greenLayer.sourceDataspace = ui::Dataspace::V0_SRGB_LINEAR;
+ greenLayer.geometry.boundaries = fullscreenRect().toFloatRect();
+ greenLayer.geometry.roundedCornersRadius = 5.0f;
+ // Bottom right corner is not going to be rounded.
+ greenLayer.geometry.roundedCornersCrop =
+ Rect(DEFAULT_DISPLAY_WIDTH / 3, DEFAULT_DISPLAY_HEIGHT / 3, DEFAULT_DISPLAY_HEIGHT,
+ DEFAULT_DISPLAY_HEIGHT)
+ .toFloatRect();
+ greenLayer.source.solidColor = half3(0.0f, 1.0f, 0.0f);
+ greenLayer.alpha = 1.0f;
+
+ layers.push_back(&greenLayer);
+
+ invokeDraw(settings, layers, mBuffer);
+
+ // Corners should be ignored...
+ // Screen size: width is 128, height is 256.
+ expectBufferColor(Rect(0, 0, 1, 1), 0, 0, 0, 0);
+ expectBufferColor(Rect(DEFAULT_DISPLAY_WIDTH - 1, 0, DEFAULT_DISPLAY_WIDTH, 1), 0, 0, 0, 0);
+ expectBufferColor(Rect(0, DEFAULT_DISPLAY_HEIGHT - 1, 1, DEFAULT_DISPLAY_HEIGHT), 0, 0, 0, 0);
+ // Bottom right corner is kept out of the clipping, and it's green.
+ expectBufferColor(Rect(DEFAULT_DISPLAY_WIDTH - 1, DEFAULT_DISPLAY_HEIGHT - 1,
+ DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT),
+ 0, 255, 0, 255);
+}
+
} // namespace android
// TODO(b/129481165): remove the #pragma below and fix conversion issues
diff --git a/libs/renderengine/threaded/RenderEngineThreaded.cpp b/libs/renderengine/threaded/RenderEngineThreaded.cpp
index 5453302..08f2949 100644
--- a/libs/renderengine/threaded/RenderEngineThreaded.cpp
+++ b/libs/renderengine/threaded/RenderEngineThreaded.cpp
@@ -304,6 +304,21 @@
resultFuture.wait();
}
+int RenderEngineThreaded::getContextPriority() {
+ std::promise<int> resultPromise;
+ std::future<int> resultFuture = resultPromise.get_future();
+ {
+ std::lock_guard lock(mThreadMutex);
+ mFunctionCalls.push([&resultPromise](renderengine::RenderEngine& instance) {
+ ATRACE_NAME("REThreaded::getContextPriority");
+ int priority = instance.getContextPriority();
+ resultPromise.set_value(priority);
+ });
+ }
+ mCondition.notify_one();
+ return resultFuture.get();
+}
+
} // namespace threaded
} // namespace renderengine
} // namespace android
diff --git a/libs/renderengine/threaded/RenderEngineThreaded.h b/libs/renderengine/threaded/RenderEngineThreaded.h
index cdfbd04..8b1e2de 100644
--- a/libs/renderengine/threaded/RenderEngineThreaded.h
+++ b/libs/renderengine/threaded/RenderEngineThreaded.h
@@ -63,6 +63,7 @@
base::unique_fd&& bufferFence, base::unique_fd* drawFence) override;
void cleanFramebufferCache() override;
+ int getContextPriority() override;
private:
void threadMain(CreateInstanceFactory factory);
diff --git a/libs/ui/include/ui/BlurRegion.h b/libs/ui/include/ui/BlurRegion.h
index c5a5d47..69a586e 100644
--- a/libs/ui/include/ui/BlurRegion.h
+++ b/libs/ui/include/ui/BlurRegion.h
@@ -17,6 +17,8 @@
#pragma once
#include <inttypes.h>
+#include <iosfwd>
+#include <iostream>
namespace android {
@@ -33,4 +35,19 @@
int bottom;
};
+static inline void PrintTo(const BlurRegion& blurRegion, ::std::ostream* os) {
+ *os << "BlurRegion {";
+ *os << "\n .blurRadius = " << blurRegion.blurRadius;
+ *os << "\n .cornerRadiusTL = " << blurRegion.cornerRadiusTL;
+ *os << "\n .cornerRadiusTR = " << blurRegion.cornerRadiusTR;
+ *os << "\n .cornerRadiusBL = " << blurRegion.cornerRadiusBL;
+ *os << "\n .cornerRadiusBR = " << blurRegion.cornerRadiusBR;
+ *os << "\n .alpha = " << blurRegion.alpha;
+ *os << "\n .left = " << blurRegion.left;
+ *os << "\n .top = " << blurRegion.top;
+ *os << "\n .right = " << blurRegion.right;
+ *os << "\n .bottom = " << blurRegion.bottom;
+ *os << "\n}";
+}
+
} // namespace android
\ No newline at end of file
diff --git a/opengl/Android.bp b/opengl/Android.bp
index 393ced7..48abdce 100644
--- a/opengl/Android.bp
+++ b/opengl/Android.bp
@@ -52,36 +52,17 @@
license: "include/KHR/NOTICE",
}
-llndk_library {
- name: "libEGL.llndk",
- symbol_file: "libs/libEGL.map.txt",
- export_include_dirs: ["include"],
-}
-
-llndk_library {
- name: "libGLESv1_CM.llndk",
- symbol_file: "libs/libGLESv1_CM.map.txt",
- export_include_dirs: ["include"],
-}
-
-llndk_library {
- name: "libGLESv2.llndk",
- symbol_file: "libs/libGLESv2.map.txt",
- export_include_dirs: ["include"],
-}
-
-llndk_library {
- name: "libGLESv3.llndk",
- symbol_file: "libs/libGLESv3.map.txt",
- export_include_dirs: ["include"],
-}
-
cc_library_headers {
name: "gl_headers",
vendor_available: true,
export_include_dirs: ["include"],
}
+llndk_headers {
+ name: "gl_llndk_headers",
+ export_include_dirs: ["include"],
+}
+
subdirs = [
"*",
]
diff --git a/opengl/libs/Android.bp b/opengl/libs/Android.bp
index 77d887c..5d17561 100644
--- a/opengl/libs/Android.bp
+++ b/opengl/libs/Android.bp
@@ -225,3 +225,27 @@
srcs: ["GLES2/gl2.cpp"],
cflags: ["-DLOG_TAG=\"libGLESv3\""],
}
+
+llndk_library {
+ name: "libEGL.llndk",
+ symbol_file: "libEGL.map.txt",
+ export_llndk_headers: ["gl_llndk_headers"],
+}
+
+llndk_library {
+ name: "libGLESv1_CM.llndk",
+ symbol_file: "libGLESv1_CM.map.txt",
+ export_llndk_headers: ["gl_llndk_headers"],
+}
+
+llndk_library {
+ name: "libGLESv2.llndk",
+ symbol_file: "libGLESv2.map.txt",
+ export_llndk_headers: ["gl_llndk_headers"],
+}
+
+llndk_library {
+ name: "libGLESv3.llndk",
+ symbol_file: "libGLESv3.map.txt",
+ export_llndk_headers: ["gl_llndk_headers"],
+}
diff --git a/services/gpuservice/tests/unittests/Android.bp b/services/gpuservice/tests/unittests/Android.bp
index 940a26b..9606daa 100644
--- a/services/gpuservice/tests/unittests/Android.bp
+++ b/services/gpuservice/tests/unittests/Android.bp
@@ -20,6 +20,7 @@
},
srcs: [
"GpuMemTest.cpp",
+ "GpuMemTracerTest.cpp",
"GpuStatsTest.cpp",
],
shared_libs: [
@@ -29,14 +30,19 @@
"libcutils",
"libgfxstats",
"libgpumem",
+ "libgpumemtracer",
"libgraphicsenv",
"liblog",
+ "libprotobuf-cpp-lite",
+ "libprotoutil",
"libstatslog",
"libstatspull",
"libutils",
],
static_libs: [
"libgmock",
+ "libperfetto_client_experimental",
+ "perfetto_trace_protos",
],
require_root: true,
}
diff --git a/services/gpuservice/tests/unittests/GpuMemTracerTest.cpp b/services/gpuservice/tests/unittests/GpuMemTracerTest.cpp
new file mode 100644
index 0000000..cd8e19c
--- /dev/null
+++ b/services/gpuservice/tests/unittests/GpuMemTracerTest.cpp
@@ -0,0 +1,198 @@
+/*
+ * Copyright 2020 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.
+ */
+
+#undef LOG_TAG
+#define LOG_TAG "gpuservice_unittest"
+
+#include <bpf/BpfMap.h>
+#include <gpumem/GpuMem.h>
+#include <gtest/gtest.h>
+#include <perfetto/trace/trace.pb.h>
+#include <tracing/GpuMemTracer.h>
+
+#include "TestableGpuMem.h"
+
+namespace android {
+
+constexpr uint32_t TEST_MAP_SIZE = 10;
+constexpr uint64_t TEST_GLOBAL_KEY = 0;
+constexpr uint32_t TEST_GLOBAL_PID = 0;
+constexpr uint64_t TEST_GLOBAL_VAL = 123;
+constexpr uint32_t TEST_GLOBAL_GPU_ID = 0;
+constexpr uint64_t TEST_PROC_KEY_1 = 1;
+constexpr uint32_t TEST_PROC_PID_1 = 1;
+constexpr uint64_t TEST_PROC_VAL_1 = 234;
+constexpr uint32_t TEST_PROC_1_GPU_ID = 0;
+constexpr uint64_t TEST_PROC_KEY_2 = 4294967298; // (1 << 32) + 2
+constexpr uint32_t TEST_PROC_PID_2 = 2;
+constexpr uint64_t TEST_PROC_VAL_2 = 345;
+constexpr uint32_t TEST_PROC_2_GPU_ID = 1;
+
+class GpuMemTracerTest : public testing::Test {
+public:
+ GpuMemTracerTest() {
+ const ::testing::TestInfo* const test_info =
+ ::testing::UnitTest::GetInstance()->current_test_info();
+ ALOGD("**** Setting up for %s.%s\n", test_info->test_case_name(), test_info->name());
+ }
+
+ ~GpuMemTracerTest() {
+ const ::testing::TestInfo* const test_info =
+ ::testing::UnitTest::GetInstance()->current_test_info();
+ ALOGD("**** Tearing down after %s.%s\n", test_info->test_case_name(), test_info->name());
+ }
+
+ void SetUp() override {
+ SKIP_IF_BPF_NOT_SUPPORTED;
+ bpf::setrlimitForTest();
+
+ mGpuMem = std::make_shared<GpuMem>();
+ mGpuMemTracer = std::make_unique<GpuMemTracer>();
+ mGpuMemTracer->initializeForTest(mGpuMem);
+ mTestableGpuMem = TestableGpuMem(mGpuMem.get());
+
+ errno = 0;
+ mTestMap = bpf::BpfMap<uint64_t, uint64_t>(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE,
+ BPF_F_NO_PREALLOC);
+
+ EXPECT_EQ(0, errno);
+ EXPECT_LE(0, mTestMap.getMap().get());
+ EXPECT_TRUE(mTestMap.isValid());
+ }
+
+ int getTracerThreadCount() { return mGpuMemTracer->tracerThreadCount; }
+
+ std::vector<perfetto::protos::TracePacket> readGpuMemTotalPacketsBlocking(
+ perfetto::TracingSession* tracingSession) {
+ std::vector<char> raw_trace = tracingSession->ReadTraceBlocking();
+ perfetto::protos::Trace trace;
+ trace.ParseFromArray(raw_trace.data(), int(raw_trace.size()));
+
+ std::vector<perfetto::protos::TracePacket> packets;
+ for (const auto& packet : trace.packet()) {
+ if (!packet.has_gpu_mem_total_event()) {
+ continue;
+ }
+ packets.emplace_back(packet);
+ }
+ return packets;
+ }
+
+ std::shared_ptr<GpuMem> mGpuMem;
+ TestableGpuMem mTestableGpuMem;
+ std::unique_ptr<GpuMemTracer> mGpuMemTracer;
+ bpf::BpfMap<uint64_t, uint64_t> mTestMap;
+};
+
+static constexpr uint64_t getSizeForPid(uint32_t pid) {
+ switch (pid) {
+ case TEST_GLOBAL_PID:
+ return TEST_GLOBAL_VAL;
+ case TEST_PROC_PID_1:
+ return TEST_PROC_VAL_1;
+ case TEST_PROC_PID_2:
+ return TEST_PROC_VAL_2;
+ }
+ return 0;
+}
+
+static constexpr uint32_t getGpuIdForPid(uint32_t pid) {
+ switch (pid) {
+ case TEST_GLOBAL_PID:
+ return TEST_GLOBAL_GPU_ID;
+ case TEST_PROC_PID_1:
+ return TEST_PROC_1_GPU_ID;
+ case TEST_PROC_PID_2:
+ return TEST_PROC_2_GPU_ID;
+ }
+ return 0;
+}
+
+TEST_F(GpuMemTracerTest, traceInitialCountersAfterGpuMemInitialize) {
+ SKIP_IF_BPF_NOT_SUPPORTED;
+ ASSERT_RESULT_OK(mTestMap.writeValue(TEST_GLOBAL_KEY, TEST_GLOBAL_VAL, BPF_ANY));
+ ASSERT_RESULT_OK(mTestMap.writeValue(TEST_PROC_KEY_1, TEST_PROC_VAL_1, BPF_ANY));
+ ASSERT_RESULT_OK(mTestMap.writeValue(TEST_PROC_KEY_2, TEST_PROC_VAL_2, BPF_ANY));
+ mTestableGpuMem.setGpuMemTotalMap(mTestMap);
+ mTestableGpuMem.setInitialized();
+
+ // Only 1 tracer thread should be existing for test.
+ EXPECT_EQ(getTracerThreadCount(), 1);
+ auto tracingSession = mGpuMemTracer->getTracingSessionForTest();
+
+ tracingSession->StartBlocking();
+ // Sleep for a short time to let the tracer thread finish its work
+ sleep(1);
+ tracingSession->StopBlocking();
+
+ // The test tracer thread should have finished its execution by now.
+ EXPECT_EQ(getTracerThreadCount(), 0);
+
+ auto packets = readGpuMemTotalPacketsBlocking(tracingSession.get());
+ EXPECT_EQ(packets.size(), 3);
+
+ const auto& packet0 = packets[0];
+ ASSERT_TRUE(packet0.has_timestamp());
+ ASSERT_TRUE(packet0.has_gpu_mem_total_event());
+ const auto& gpuMemEvent0 = packet0.gpu_mem_total_event();
+ ASSERT_TRUE(gpuMemEvent0.has_pid());
+ const auto& pid0 = gpuMemEvent0.pid();
+ ASSERT_TRUE(gpuMemEvent0.has_size());
+ EXPECT_EQ(gpuMemEvent0.size(), getSizeForPid(pid0));
+ ASSERT_TRUE(gpuMemEvent0.has_gpu_id());
+ EXPECT_EQ(gpuMemEvent0.gpu_id(), getGpuIdForPid(pid0));
+
+ const auto& packet1 = packets[1];
+ ASSERT_TRUE(packet1.has_timestamp());
+ ASSERT_TRUE(packet1.has_gpu_mem_total_event());
+ const auto& gpuMemEvent1 = packet1.gpu_mem_total_event();
+ ASSERT_TRUE(gpuMemEvent1.has_pid());
+ const auto& pid1 = gpuMemEvent1.pid();
+ ASSERT_TRUE(gpuMemEvent1.has_size());
+ EXPECT_EQ(gpuMemEvent1.size(), getSizeForPid(pid1));
+ ASSERT_TRUE(gpuMemEvent1.has_gpu_id());
+ EXPECT_EQ(gpuMemEvent1.gpu_id(), getGpuIdForPid(pid1));
+
+ const auto& packet2 = packets[2];
+ ASSERT_TRUE(packet2.has_timestamp());
+ ASSERT_TRUE(packet2.has_gpu_mem_total_event());
+ const auto& gpuMemEvent2 = packet2.gpu_mem_total_event();
+ ASSERT_TRUE(gpuMemEvent2.has_pid());
+ const auto& pid2 = gpuMemEvent2.pid();
+ ASSERT_TRUE(gpuMemEvent2.has_size());
+ EXPECT_EQ(gpuMemEvent2.size(), getSizeForPid(pid2));
+ ASSERT_TRUE(gpuMemEvent2.has_gpu_id());
+ EXPECT_EQ(gpuMemEvent2.gpu_id(), getGpuIdForPid(pid2));
+}
+
+TEST_F(GpuMemTracerTest, noTracingWithoutGpuMemInitialize) {
+ // Only 1 tracer thread should be existing for test.
+ EXPECT_EQ(getTracerThreadCount(), 1);
+
+ auto tracingSession = mGpuMemTracer->getTracingSessionForTest();
+
+ tracingSession->StartBlocking();
+ // Sleep for a short time to let the tracer thread finish its work
+ sleep(1);
+ tracingSession->StopBlocking();
+
+ // The test tracer thread should have finished its execution by now.
+ EXPECT_EQ(getTracerThreadCount(), 0);
+
+ auto packets = readGpuMemTotalPacketsBlocking(tracingSession.get());
+ EXPECT_EQ(packets.size(), 0);
+}
+} // namespace android
diff --git a/services/gpuservice/tracing/GpuMemTracer.cpp b/services/gpuservice/tracing/GpuMemTracer.cpp
index 000cf27..6975151 100644
--- a/services/gpuservice/tracing/GpuMemTracer.cpp
+++ b/services/gpuservice/tracing/GpuMemTracer.cpp
@@ -44,9 +44,35 @@
args.backends = perfetto::kSystemBackend;
perfetto::Tracing::Initialize(args);
registerDataSource();
- std::thread tracerThread(&GpuMemTracer::threadLoop, this);
+ std::thread tracerThread(&GpuMemTracer::threadLoop, this, true);
pthread_setname_np(tracerThread.native_handle(), "GpuMemTracerThread");
tracerThread.detach();
+ tracerThreadCount++;
+}
+
+void GpuMemTracer::initializeForTest(std::shared_ptr<GpuMem> gpuMem) {
+ mGpuMem = gpuMem;
+ perfetto::TracingInitArgs args;
+ args.backends = perfetto::kInProcessBackend;
+ perfetto::Tracing::Initialize(args);
+ registerDataSource();
+ std::thread tracerThread(&GpuMemTracer::threadLoop, this, false);
+ pthread_setname_np(tracerThread.native_handle(), "GpuMemTracerThreadForTest");
+ tracerThread.detach();
+ tracerThreadCount++;
+}
+
+// Each tracing session can be used for a single block of Start -> Stop.
+std::unique_ptr<perfetto::TracingSession> GpuMemTracer::getTracingSessionForTest() {
+ perfetto::TraceConfig cfg;
+ cfg.set_duration_ms(500);
+ cfg.add_buffers()->set_size_kb(1024);
+ auto* ds_cfg = cfg.add_data_sources()->mutable_config();
+ ds_cfg->set_name(GpuMemTracer::kGpuMemDataSource);
+
+ auto tracingSession = perfetto::Tracing::NewTrace(perfetto::kInProcessBackend);
+ tracingSession->Setup(cfg);
+ return tracingSession;
}
void GpuMemTracer::registerDataSource() {
@@ -55,8 +81,8 @@
GpuMemDataSource::Register(dsd);
}
-void GpuMemTracer::threadLoop() {
- while (true) {
+void GpuMemTracer::threadLoop(bool infiniteLoop) {
+ do {
{
std::unique_lock<std::mutex> lock(GpuMemTracer::sTraceMutex);
while (!sTraceStarted) {
@@ -68,7 +94,11 @@
std::lock_guard<std::mutex> lock(GpuMemTracer::sTraceMutex);
sTraceStarted = false;
}
- }
+ } while (infiniteLoop);
+
+ // Thread loop is exiting. Reduce the tracerThreadCount to reflect the number of active threads
+ // in the wait loop.
+ tracerThreadCount--;
}
void GpuMemTracer::traceInitialCounters() {
diff --git a/services/gpuservice/tracing/include/tracing/GpuMemTracer.h b/services/gpuservice/tracing/include/tracing/GpuMemTracer.h
index 40deb4c..ae871f1 100644
--- a/services/gpuservice/tracing/include/tracing/GpuMemTracer.h
+++ b/services/gpuservice/tracing/include/tracing/GpuMemTracer.h
@@ -20,6 +20,10 @@
#include <mutex>
+namespace perfetto::protos {
+class TracePacket;
+}
+
namespace android {
class GpuMem;
@@ -45,16 +49,37 @@
// perfetto::kInProcessBackend in tests.
void registerDataSource();
+ // TODO(b/175904796): Refactor gpuservice lib to include perfetto lib and move the test
+ // functions into the unittests.
+ // Functions only used for testing with in-process backend. These functions require the static
+ // perfetto lib to be linked. If the tests have a perfetto linked, while libgpumemtracer.so also
+ // has one linked, they will both use different static states maintained in perfetto. Since the
+ // static perfetto states are not shared, tracing sessions created in the unit test are not
+ // recognized by GpuMemTracer. As a result, we cannot use any of the perfetto functions from
+ // this class, which defeats the purpose of the unit test. To solve this, we restrict all
+ // tracing functionality to this class, while the unit test validates the data.
+ // Sets up the perfetto in-process backend and calls into registerDataSource.
+ void initializeForTest(std::shared_ptr<GpuMem>);
+ // Creates a tracing session with in process backend, for testing.
+ std::unique_ptr<perfetto::TracingSession> getTracingSessionForTest();
+ // Read and filter the gpu memory packets from the created trace.
+ std::vector<perfetto::protos::TracePacket> readGpuMemTotalPacketsForTestBlocking(
+ perfetto::TracingSession* tracingSession);
+
static constexpr char kGpuMemDataSource[] = "android.gpu.memory";
static std::condition_variable sCondition;
static std::mutex sTraceMutex;
static bool sTraceStarted;
private:
- void traceInitialCounters();
- void threadLoop();
+ // Friend class for testing
+ friend class GpuMemTracerTest;
+ void threadLoop(bool infiniteLoop);
+ void traceInitialCounters();
std::shared_ptr<GpuMem> mGpuMem;
+ // Count of how many tracer threads are currently active. Useful for testing.
+ std::atomic<int32_t> tracerThreadCount = 0;
};
} // namespace android
diff --git a/services/inputflinger/InputClassifier.cpp b/services/inputflinger/InputClassifier.cpp
index eafb5ab..f5f0400 100644
--- a/services/inputflinger/InputClassifier.cpp
+++ b/services/inputflinger/InputClassifier.cpp
@@ -391,6 +391,11 @@
mListener->notifyMotion(&newArgs);
}
+void InputClassifier::notifySensor(const NotifySensorArgs* args) {
+ // pass through
+ mListener->notifySensor(args);
+}
+
void InputClassifier::notifySwitch(const NotifySwitchArgs* args) {
// pass through
mListener->notifySwitch(args);
diff --git a/services/inputflinger/InputClassifier.h b/services/inputflinger/InputClassifier.h
index 6965940..bf10920 100644
--- a/services/inputflinger/InputClassifier.h
+++ b/services/inputflinger/InputClassifier.h
@@ -229,6 +229,7 @@
virtual void notifyKey(const NotifyKeyArgs* args) override;
virtual void notifyMotion(const NotifyMotionArgs* args) override;
virtual void notifySwitch(const NotifySwitchArgs* args) override;
+ virtual void notifySensor(const NotifySensorArgs* args) override;
virtual void notifyDeviceReset(const NotifyDeviceResetArgs* args) override;
void notifyPointerCaptureChanged(const NotifyPointerCaptureChangedArgs* args) override;
diff --git a/services/inputflinger/InputListener.cpp b/services/inputflinger/InputListener.cpp
index 49a813e..4be49b1 100644
--- a/services/inputflinger/InputListener.cpp
+++ b/services/inputflinger/InputListener.cpp
@@ -211,6 +211,41 @@
listener->notifySwitch(this);
}
+// --- NotifySensorArgs ---
+
+NotifySensorArgs::NotifySensorArgs(int32_t id, nsecs_t eventTime, int32_t deviceId, uint32_t source,
+ InputDeviceSensorType sensorType,
+ InputDeviceSensorAccuracy accuracy, bool accuracyChanged,
+ nsecs_t hwTimestamp, std::vector<float> values)
+ : NotifyArgs(id, eventTime),
+ deviceId(deviceId),
+ source(source),
+ sensorType(sensorType),
+ accuracy(accuracy),
+ accuracyChanged(accuracyChanged),
+ hwTimestamp(hwTimestamp),
+ values(std::move(values)) {}
+
+NotifySensorArgs::NotifySensorArgs(const NotifySensorArgs& other)
+ : NotifyArgs(other.id, other.eventTime),
+ deviceId(other.deviceId),
+ source(other.source),
+ sensorType(other.sensorType),
+ accuracy(other.accuracy),
+ accuracyChanged(other.accuracyChanged),
+ hwTimestamp(other.hwTimestamp),
+ values(other.values) {}
+
+bool NotifySensorArgs::operator==(const NotifySensorArgs rhs) const {
+ return id == rhs.id && eventTime == rhs.eventTime && sensorType == rhs.sensorType &&
+ accuracy == rhs.accuracy && accuracyChanged == rhs.accuracyChanged &&
+ hwTimestamp == rhs.hwTimestamp && values == rhs.values;
+}
+
+void NotifySensorArgs::notify(const sp<InputListenerInterface>& listener) const {
+ listener->notifySensor(this);
+}
+
// --- NotifyDeviceResetArgs ---
NotifyDeviceResetArgs::NotifyDeviceResetArgs(int32_t id, nsecs_t eventTime, int32_t deviceId)
@@ -286,6 +321,11 @@
mArgsQueue.push_back(new NotifySwitchArgs(*args));
}
+void QueuedInputListener::notifySensor(const NotifySensorArgs* args) {
+ traceEvent(__func__, args->id);
+ mArgsQueue.push_back(new NotifySensorArgs(*args));
+}
+
void QueuedInputListener::notifyDeviceReset(const NotifyDeviceResetArgs* args) {
traceEvent(__func__, args->id);
mArgsQueue.push_back(new NotifyDeviceResetArgs(*args));
diff --git a/services/inputflinger/InputManager.cpp b/services/inputflinger/InputManager.cpp
index 3d99589..a50e5c7 100644
--- a/services/inputflinger/InputManager.cpp
+++ b/services/inputflinger/InputManager.cpp
@@ -148,7 +148,7 @@
}
base::Result<std::unique_ptr<InputChannel>> channel = mDispatcher->createInputChannel(name);
- if (!channel) {
+ if (!channel.ok()) {
return binder::Status::fromExceptionCode(exceptionCodeFromStatusT(channel.error().code()),
channel.error().message().c_str());
}
diff --git a/services/inputflinger/OWNERS b/services/inputflinger/OWNERS
index 0313a40..82c6ee1 100644
--- a/services/inputflinger/OWNERS
+++ b/services/inputflinger/OWNERS
@@ -1,2 +1,3 @@
+lzye@google.com
michaelwr@google.com
svv@google.com
diff --git a/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp b/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
index 9fea298..4e55872 100644
--- a/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
+++ b/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
@@ -66,6 +66,13 @@
void notifyFocusChanged(const sp<IBinder>&, const sp<IBinder>&) override {}
+ void notifySensorEvent(int32_t deviceId, InputDeviceSensorType sensorType,
+ InputDeviceSensorAccuracy accuracy, nsecs_t timestamp,
+ const std::vector<float>& values) override {}
+
+ void notifySensorAccuracy(int32_t deviceId, InputDeviceSensorType sensorType,
+ InputDeviceSensorAccuracy accuracy) override {}
+
void notifyUntrustedTouch(const std::string& obscuringPackage) override {}
void getDispatcherConfiguration(InputDispatcherConfiguration* outConfig) override {
@@ -96,6 +103,8 @@
void onPointerDownOutsideFocus(const sp<IBinder>& newToken) override {}
+ void setPointerCapture(bool enabled) override {}
+
InputDispatcherConfiguration mConfig;
};
diff --git a/services/inputflinger/dispatcher/Entry.cpp b/services/inputflinger/dispatcher/Entry.cpp
index 29df00b..6953d04 100644
--- a/services/inputflinger/dispatcher/Entry.cpp
+++ b/services/inputflinger/dispatcher/Entry.cpp
@@ -114,6 +114,22 @@
return StringPrintf("FocusEvent(hasFocus=%s)", hasFocus ? "true" : "false");
}
+// --- PointerCaptureChangedEntry ---
+
+// PointerCaptureChanged notifications always go to apps, so set the flag POLICY_FLAG_PASS_TO_USER
+// for all entries.
+PointerCaptureChangedEntry::PointerCaptureChangedEntry(int32_t id, nsecs_t eventTime,
+ bool hasPointerCapture)
+ : EventEntry(id, Type::POINTER_CAPTURE_CHANGED, eventTime, POLICY_FLAG_PASS_TO_USER),
+ pointerCaptureEnabled(hasPointerCapture) {}
+
+PointerCaptureChangedEntry::~PointerCaptureChangedEntry() {}
+
+std::string PointerCaptureChangedEntry::getDescription() const {
+ return StringPrintf("PointerCaptureChangedEvent(pointerCaptureEnabled=%s)",
+ pointerCaptureEnabled ? "true" : "false");
+}
+
// --- KeyEntry ---
KeyEntry::KeyEntry(int32_t id, nsecs_t eventTime, int32_t deviceId, uint32_t source,
@@ -223,6 +239,41 @@
return msg;
}
+// --- SensorEntry ---
+
+SensorEntry::SensorEntry(int32_t id, nsecs_t eventTime, int32_t deviceId, uint32_t source,
+ uint32_t policyFlags, nsecs_t hwTimestamp,
+ InputDeviceSensorType sensorType, InputDeviceSensorAccuracy accuracy,
+ bool accuracyChanged, std::vector<float> values)
+ : EventEntry(id, Type::SENSOR, eventTime, policyFlags),
+ deviceId(deviceId),
+ source(source),
+ sensorType(sensorType),
+ accuracy(accuracy),
+ accuracyChanged(accuracyChanged),
+ hwTimestamp(hwTimestamp),
+ values(std::move(values)) {}
+
+SensorEntry::~SensorEntry() {}
+
+std::string SensorEntry::getDescription() const {
+ std::string msg;
+ msg += StringPrintf("SensorEntry(deviceId=%d, source=0x%08x, sensorType=0x%08x, "
+ "accuracy=0x%08x, hwTimestamp=%" PRId64,
+ deviceId, source, sensorType, accuracy, hwTimestamp);
+
+ if (!GetBoolProperty("ro.debuggable", false)) {
+ for (size_t i = 0; i < values.size(); i++) {
+ if (i > 0) {
+ msg += ", ";
+ }
+ msg += StringPrintf("(%.3f)", values[i]);
+ }
+ }
+ msg += StringPrintf(", policyFlags=0x%08x", policyFlags);
+ return msg;
+}
+
// --- DispatchEntry ---
volatile int32_t DispatchEntry::sNextSeqAtomic;
@@ -255,7 +306,8 @@
keyEntry(nullptr),
userActivityEventType(0),
seq(0),
- handled(false) {}
+ handled(false),
+ enabled(false) {}
CommandEntry::~CommandEntry() {}
diff --git a/services/inputflinger/dispatcher/Entry.h b/services/inputflinger/dispatcher/Entry.h
index 0661709..3a860f0 100644
--- a/services/inputflinger/dispatcher/Entry.h
+++ b/services/inputflinger/dispatcher/Entry.h
@@ -36,23 +36,10 @@
FOCUS,
KEY,
MOTION,
+ SENSOR,
+ POINTER_CAPTURE_CHANGED,
};
- static const char* typeToString(Type type) {
- switch (type) {
- case Type::CONFIGURATION_CHANGED:
- return "CONFIGURATION_CHANGED";
- case Type::DEVICE_RESET:
- return "DEVICE_RESET";
- case Type::FOCUS:
- return "FOCUS";
- case Type::KEY:
- return "KEY";
- case Type::MOTION:
- return "MOTION";
- }
- }
-
int32_t id;
Type type;
nsecs_t eventTime;
@@ -115,6 +102,15 @@
virtual ~FocusEntry();
};
+struct PointerCaptureChangedEntry : EventEntry {
+ bool pointerCaptureEnabled;
+
+ PointerCaptureChangedEntry(int32_t id, nsecs_t eventTime, bool hasPointerCapture);
+ std::string getDescription() const override;
+
+ virtual ~PointerCaptureChangedEntry();
+};
+
struct KeyEntry : EventEntry {
int32_t deviceId;
uint32_t source;
@@ -179,6 +175,25 @@
virtual ~MotionEntry();
};
+struct SensorEntry : EventEntry {
+ int32_t deviceId;
+ uint32_t source;
+ InputDeviceSensorType sensorType;
+ InputDeviceSensorAccuracy accuracy;
+ bool accuracyChanged;
+ nsecs_t hwTimestamp;
+
+ std::vector<float> values;
+
+ SensorEntry(int32_t id, nsecs_t eventTime, int32_t deviceId, uint32_t source,
+ uint32_t policyFlags, nsecs_t hwTimestamp, InputDeviceSensorType sensorType,
+ InputDeviceSensorAccuracy accuracy, bool accuracyChanged,
+ std::vector<float> values);
+ std::string getDescription() const override;
+
+ virtual ~SensorEntry();
+};
+
// Tracks the progress of dispatching a particular event to a particular connection.
struct DispatchEntry {
const uint32_t seq; // unique sequence number, never 0
@@ -245,6 +260,7 @@
sp<Connection> connection;
nsecs_t eventTime;
std::shared_ptr<KeyEntry> keyEntry;
+ std::shared_ptr<SensorEntry> sensorEntry;
std::shared_ptr<InputApplicationHandle> inputApplicationHandle;
std::string reason;
int32_t userActivityEventType;
@@ -254,6 +270,7 @@
sp<IBinder> oldToken;
sp<IBinder> newToken;
std::string obscuringPackage;
+ bool enabled;
};
} // namespace android::inputdispatcher
diff --git a/services/inputflinger/dispatcher/InputDispatcher.cpp b/services/inputflinger/dispatcher/InputDispatcher.cpp
index ed4f05a..5832109 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.cpp
+++ b/services/inputflinger/dispatcher/InputDispatcher.cpp
@@ -47,8 +47,6 @@
// Log debug messages about hover events.
#define DEBUG_HOVER 0
-#include "InputDispatcher.h"
-
#include <android-base/chrono_utils.h>
#include <android-base/stringprintf.h>
#include <android/os/IInputConstants.h>
@@ -73,6 +71,7 @@
#include <sstream>
#include "Connection.h"
+#include "InputDispatcher.h"
#define INDENT " "
#define INDENT2 " "
@@ -454,6 +453,8 @@
mInTouchMode(true),
mMaximumObscuringOpacityForTouch(1.0f),
mFocusedDisplayId(ADISPLAY_ID_DEFAULT),
+ mFocusedWindowRequestedPointerCapture(false),
+ mWindowTokenWithPointerCapture(nullptr),
mCompatService(getCompatService()) {
mLooper = new Looper(false);
mReporter = createInputReporter();
@@ -713,6 +714,14 @@
break;
}
+ case EventEntry::Type::POINTER_CAPTURE_CHANGED: {
+ const auto typedEntry =
+ std::static_pointer_cast<PointerCaptureChangedEntry>(mPendingEvent);
+ dispatchPointerCaptureChangedLocked(currentTime, typedEntry, dropReason);
+ done = true;
+ break;
+ }
+
case EventEntry::Type::KEY: {
std::shared_ptr<KeyEntry> keyEntry = std::static_pointer_cast<KeyEntry>(mPendingEvent);
if (isAppSwitchDue) {
@@ -748,6 +757,23 @@
done = dispatchMotionLocked(currentTime, motionEntry, &dropReason, nextWakeupTime);
break;
}
+
+ case EventEntry::Type::SENSOR: {
+ std::shared_ptr<SensorEntry> sensorEntry =
+ std::static_pointer_cast<SensorEntry>(mPendingEvent);
+ if (dropReason == DropReason::NOT_DROPPED && isAppSwitchDue) {
+ dropReason = DropReason::APP_SWITCH;
+ }
+ // Sensor timestamps use SYSTEM_TIME_BOOTTIME time base, so we can't use
+ // 'currentTime' here, get SYSTEM_TIME_BOOTTIME instead.
+ nsecs_t bootTime = systemTime(SYSTEM_TIME_BOOTTIME);
+ if (dropReason == DropReason::NOT_DROPPED && isStaleEvent(bootTime, *sensorEntry)) {
+ dropReason = DropReason::STALE;
+ }
+ dispatchSensorLocked(currentTime, sensorEntry, &dropReason, nextWakeupTime);
+ done = true;
+ break;
+ }
}
if (done) {
@@ -862,7 +888,9 @@
break;
}
case EventEntry::Type::CONFIGURATION_CHANGED:
- case EventEntry::Type::DEVICE_RESET: {
+ case EventEntry::Type::DEVICE_RESET:
+ case EventEntry::Type::SENSOR:
+ case EventEntry::Type::POINTER_CAPTURE_CHANGED: {
// nothing to do
break;
}
@@ -872,7 +900,10 @@
}
void InputDispatcher::addRecentEventLocked(std::shared_ptr<EventEntry> entry) {
- mRecentQueue.push_back(entry);
+ // Do not store sensor event in recent queue to avoid flooding the queue.
+ if (entry->type != EventEntry::Type::SENSOR) {
+ mRecentQueue.push_back(entry);
+ }
if (mRecentQueue.size() > RECENT_QUEUE_MAX_SIZE) {
mRecentQueue.pop_front();
}
@@ -968,6 +999,10 @@
ALOGI("Dropped event because it is stale.");
reason = "inbound event was dropped because it is stale";
break;
+ case DropReason::NO_POINTER_CAPTURE:
+ ALOGI("Dropped event because there is no window with Pointer Capture.");
+ reason = "inbound event was dropped because there is no window with Pointer Capture";
+ break;
case DropReason::NOT_DROPPED: {
LOG_ALWAYS_FATAL("Should not be dropping a NOT_DROPPED event");
return;
@@ -991,10 +1026,16 @@
}
break;
}
+ case EventEntry::Type::SENSOR: {
+ break;
+ }
+ case EventEntry::Type::POINTER_CAPTURE_CHANGED: {
+ break;
+ }
case EventEntry::Type::FOCUS:
case EventEntry::Type::CONFIGURATION_CHANGED:
case EventEntry::Type::DEVICE_RESET: {
- LOG_ALWAYS_FATAL("Should not drop %s events", EventEntry::typeToString(entry.type));
+ LOG_ALWAYS_FATAL("Should not drop %s events", NamedEnum::string(entry.type).c_str());
break;
}
}
@@ -1176,6 +1217,55 @@
dispatchEventLocked(currentTime, entry, {target});
}
+void InputDispatcher::dispatchPointerCaptureChangedLocked(
+ nsecs_t currentTime, const std::shared_ptr<PointerCaptureChangedEntry>& entry,
+ DropReason& dropReason) {
+ const bool haveWindowWithPointerCapture = mWindowTokenWithPointerCapture != nullptr;
+ if (entry->pointerCaptureEnabled == haveWindowWithPointerCapture) {
+ LOG_ALWAYS_FATAL_IF(mFocusedWindowRequestedPointerCapture,
+ "The Pointer Capture state has already been dispatched to the window.");
+ // Pointer capture was already forcefully disabled because of focus change.
+ dropReason = DropReason::NOT_DROPPED;
+ return;
+ }
+
+ // Set drop reason for early returns
+ dropReason = DropReason::NO_POINTER_CAPTURE;
+
+ sp<IBinder> token;
+ if (entry->pointerCaptureEnabled) {
+ // Enable Pointer Capture
+ if (!mFocusedWindowRequestedPointerCapture) {
+ // This can happen if a window requests capture and immediately releases capture.
+ ALOGW("No window requested Pointer Capture.");
+ return;
+ }
+ token = getValueByKey(mFocusedWindowTokenByDisplay, mFocusedDisplayId);
+ LOG_ALWAYS_FATAL_IF(!token, "Cannot find focused window for Pointer Capture.");
+ mWindowTokenWithPointerCapture = token;
+ } else {
+ // Disable Pointer Capture
+ token = mWindowTokenWithPointerCapture;
+ mWindowTokenWithPointerCapture = nullptr;
+ mFocusedWindowRequestedPointerCapture = false;
+ }
+
+ auto channel = getInputChannelLocked(token);
+ if (channel == nullptr) {
+ // Window has gone away, clean up Pointer Capture state.
+ mWindowTokenWithPointerCapture = nullptr;
+ mFocusedWindowRequestedPointerCapture = false;
+ return;
+ }
+ InputTarget target;
+ target.inputChannel = channel;
+ target.flags = InputTarget::FLAG_DISPATCH_AS_IS;
+ entry->dispatchInProgress = true;
+ dispatchEventLocked(currentTime, entry, {target});
+
+ dropReason = DropReason::NOT_DROPPED;
+}
+
bool InputDispatcher::dispatchKeyLocked(nsecs_t currentTime, std::shared_ptr<KeyEntry> entry,
DropReason* dropReason, nsecs_t* nextWakeupTime) {
// Preprocessing.
@@ -1298,6 +1388,51 @@
#endif
}
+void InputDispatcher::doNotifySensorLockedInterruptible(CommandEntry* commandEntry) {
+ mLock.unlock();
+
+ const std::shared_ptr<SensorEntry>& entry = commandEntry->sensorEntry;
+ if (entry->accuracyChanged) {
+ mPolicy->notifySensorAccuracy(entry->deviceId, entry->sensorType, entry->accuracy);
+ }
+ mPolicy->notifySensorEvent(entry->deviceId, entry->sensorType, entry->accuracy,
+ entry->hwTimestamp, entry->values);
+ mLock.lock();
+}
+
+void InputDispatcher::dispatchSensorLocked(nsecs_t currentTime, std::shared_ptr<SensorEntry> entry,
+ DropReason* dropReason, nsecs_t* nextWakeupTime) {
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ ALOGD("notifySensorEvent eventTime=%" PRId64 ", hwTimestamp=%" PRId64 ", deviceId=%d, "
+ "source=0x%x, sensorType=%s",
+ entry->eventTime, entry->hwTimestamp, entry->deviceId, entry->source,
+ NamedEnum::string(sensorType).c_str());
+#endif
+ std::unique_ptr<CommandEntry> commandEntry =
+ std::make_unique<CommandEntry>(&InputDispatcher::doNotifySensorLockedInterruptible);
+ commandEntry->sensorEntry = entry;
+ postCommandLocked(std::move(commandEntry));
+}
+
+bool InputDispatcher::flushSensor(int deviceId, InputDeviceSensorType sensorType) {
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ ALOGD("flushSensor deviceId=%d, sensorType=%s", deviceId,
+ NamedEnum::string(sensorType).c_str());
+#endif
+ { // acquire lock
+ std::scoped_lock _l(mLock);
+
+ for (auto it = mInboundQueue.begin(); it != mInboundQueue.end(); it++) {
+ std::shared_ptr<EventEntry> entry = *it;
+ if (entry->type == EventEntry::Type::SENSOR) {
+ it = mInboundQueue.erase(it);
+ releaseInboundEventLocked(entry);
+ }
+ }
+ }
+ return true;
+}
+
bool InputDispatcher::dispatchMotionLocked(nsecs_t currentTime, std::shared_ptr<MotionEntry> entry,
DropReason* dropReason, nsecs_t* nextWakeupTime) {
ATRACE_CALL();
@@ -1483,10 +1618,12 @@
displayId = motionEntry.displayId;
break;
}
+ case EventEntry::Type::POINTER_CAPTURE_CHANGED:
case EventEntry::Type::FOCUS:
case EventEntry::Type::CONFIGURATION_CHANGED:
- case EventEntry::Type::DEVICE_RESET: {
- ALOGE("%s events do not have a target display", EventEntry::typeToString(entry.type));
+ case EventEntry::Type::DEVICE_RESET:
+ case EventEntry::Type::SENSOR: {
+ ALOGE("%s events do not have a target display", NamedEnum::string(entry.type).c_str());
return ADISPLAY_ID_NONE;
}
}
@@ -1540,7 +1677,7 @@
if (focusedWindowHandle == nullptr && focusedApplicationHandle == nullptr) {
ALOGI("Dropping %s event because there is no focused window or focused application in "
"display %" PRId32 ".",
- EventEntry::typeToString(entry.type), displayId);
+ NamedEnum::string(entry.type).c_str(), displayId);
return InputEventInjectionResult::FAILED;
}
@@ -1565,7 +1702,7 @@
} else if (currentTime > *mNoFocusedWindowTimeoutTime) {
// Already raised ANR. Drop the event
ALOGE("Dropping %s event because there is no focused window",
- EventEntry::typeToString(entry.type));
+ NamedEnum::string(entry.type).c_str());
return InputEventInjectionResult::FAILED;
} else {
// Still waiting for the focused window
@@ -1877,6 +2014,8 @@
}
if (isWindowObscuredAtPointLocked(newTouchedWindowHandle, x, y)) {
targetFlags |= InputTarget::FLAG_WINDOW_IS_OBSCURED;
+ } else if (isWindowObscuredLocked(newTouchedWindowHandle)) {
+ targetFlags |= InputTarget::FLAG_WINDOW_IS_PARTIALLY_OBSCURED;
}
BitSet32 pointerIds;
@@ -2366,8 +2505,10 @@
}
void InputDispatcher::pokeUserActivityLocked(const EventEntry& eventEntry) {
- if (eventEntry.type == EventEntry::Type::FOCUS) {
- // Focus events are passed to apps, but do not represent user activity.
+ if (eventEntry.type == EventEntry::Type::FOCUS ||
+ eventEntry.type == EventEntry::Type::POINTER_CAPTURE_CHANGED) {
+ // Focus or pointer capture changed events are passed to apps, but do not represent user
+ // activity.
return;
}
int32_t displayId = getTargetDisplayId(eventEntry);
@@ -2405,9 +2546,11 @@
}
case EventEntry::Type::FOCUS:
case EventEntry::Type::CONFIGURATION_CHANGED:
- case EventEntry::Type::DEVICE_RESET: {
+ case EventEntry::Type::DEVICE_RESET:
+ case EventEntry::Type::SENSOR:
+ case EventEntry::Type::POINTER_CAPTURE_CHANGED: {
LOG_ALWAYS_FATAL("%s events are not user activity",
- EventEntry::typeToString(eventEntry.type));
+ NamedEnum::string(eventEntry.type).c_str());
break;
}
}
@@ -2451,7 +2594,7 @@
if (inputTarget.flags & InputTarget::FLAG_SPLIT) {
LOG_ALWAYS_FATAL_IF(eventEntry->type != EventEntry::Type::MOTION,
"Entry type %s should not have FLAG_SPLIT",
- EventEntry::typeToString(eventEntry->type));
+ NamedEnum::string(eventEntry->type).c_str());
const MotionEntry& originalMotionEntry = static_cast<const MotionEntry&>(*eventEntry);
if (inputTarget.pointerIds.count() != originalMotionEntry.pointerCount) {
@@ -2617,13 +2760,18 @@
break;
}
- case EventEntry::Type::FOCUS: {
+ case EventEntry::Type::FOCUS:
+ case EventEntry::Type::POINTER_CAPTURE_CHANGED: {
+ break;
+ }
+ case EventEntry::Type::SENSOR: {
+ LOG_ALWAYS_FATAL("SENSOR events should not go to apps via input channel");
break;
}
case EventEntry::Type::CONFIGURATION_CHANGED:
case EventEntry::Type::DEVICE_RESET: {
LOG_ALWAYS_FATAL("%s events should not go to apps",
- EventEntry::typeToString(newEntry.type));
+ NamedEnum::string(newEntry.type).c_str());
break;
}
}
@@ -2821,6 +2969,7 @@
reportTouchEventForStatistics(motionEntry);
break;
}
+
case EventEntry::Type::FOCUS: {
const FocusEntry& focusEntry = static_cast<const FocusEntry&>(eventEntry);
status = connection->inputPublisher.publishFocusEvent(dispatchEntry->seq,
@@ -2830,10 +2979,20 @@
break;
}
+ case EventEntry::Type::POINTER_CAPTURE_CHANGED: {
+ const auto& captureEntry =
+ static_cast<const PointerCaptureChangedEntry&>(eventEntry);
+ status = connection->inputPublisher
+ .publishCaptureEvent(dispatchEntry->seq, captureEntry.id,
+ captureEntry.pointerCaptureEnabled);
+ break;
+ }
+
case EventEntry::Type::CONFIGURATION_CHANGED:
- case EventEntry::Type::DEVICE_RESET: {
+ case EventEntry::Type::DEVICE_RESET:
+ case EventEntry::Type::SENSOR: {
LOG_ALWAYS_FATAL("Should never start dispatch cycles for %s events",
- EventEntry::typeToString(eventEntry.type));
+ NamedEnum::string(eventEntry.type).c_str());
return;
}
}
@@ -3124,14 +3283,17 @@
static_cast<const MotionEntry&>(*cancelationEventEntry));
break;
}
- case EventEntry::Type::FOCUS: {
- LOG_ALWAYS_FATAL("Canceling focus events is not supported");
+ case EventEntry::Type::FOCUS:
+ case EventEntry::Type::POINTER_CAPTURE_CHANGED: {
+ LOG_ALWAYS_FATAL("Canceling %s events is not supported",
+ NamedEnum::string(cancelationEventEntry->type).c_str());
break;
}
case EventEntry::Type::CONFIGURATION_CHANGED:
- case EventEntry::Type::DEVICE_RESET: {
+ case EventEntry::Type::DEVICE_RESET:
+ case EventEntry::Type::SENSOR: {
LOG_ALWAYS_FATAL("%s event should not be found inside Connections's queue",
- EventEntry::typeToString(cancelationEventEntry->type));
+ NamedEnum::string(cancelationEventEntry->type).c_str());
break;
}
}
@@ -3185,9 +3347,11 @@
case EventEntry::Type::KEY:
case EventEntry::Type::FOCUS:
case EventEntry::Type::CONFIGURATION_CHANGED:
- case EventEntry::Type::DEVICE_RESET: {
+ case EventEntry::Type::DEVICE_RESET:
+ case EventEntry::Type::POINTER_CAPTURE_CHANGED:
+ case EventEntry::Type::SENSOR: {
LOG_ALWAYS_FATAL("%s event should not be found inside Connections's queue",
- EventEntry::typeToString(downEventEntry->type));
+ NamedEnum::string(downEventEntry->type).c_str());
break;
}
}
@@ -3520,6 +3684,34 @@
}
}
+void InputDispatcher::notifySensor(const NotifySensorArgs* args) {
+#if DEBUG_INBOUND_EVENT_DETAILS
+ ALOGD("notifySensor - id=%" PRIx32 " eventTime=%" PRId64 ", deviceId=%d, source=0x%x, "
+ " sensorType=%s",
+ args->id, args->eventTime, args->deviceId, args->source,
+ NamedEnum::string(args->sensorType).c_str());
+#endif
+
+ bool needWake;
+ { // acquire lock
+ mLock.lock();
+
+ // Just enqueue a new sensor event.
+ std::unique_ptr<SensorEntry> newEntry =
+ std::make_unique<SensorEntry>(args->id, args->eventTime, args->deviceId,
+ args->source, 0 /* policyFlags*/, args->hwTimestamp,
+ args->sensorType, args->accuracy,
+ args->accuracyChanged, args->values);
+
+ needWake = enqueueInboundEventLocked(std::move(newEntry));
+ mLock.unlock();
+ } // release lock
+
+ if (needWake) {
+ mLooper->wake();
+ }
+}
+
bool InputDispatcher::shouldSendMotionToInputFilterLocked(const NotifyMotionArgs* args) {
return mInputFilterEnabled;
}
@@ -3562,7 +3754,17 @@
args->enabled ? "true" : "false");
#endif
- // TODO(prabirmsp): Implement.
+ bool needWake;
+ { // acquire lock
+ std::scoped_lock _l(mLock);
+ auto entry = std::make_unique<PointerCaptureChangedEntry>(args->id, args->eventTime,
+ args->enabled);
+ needWake = enqueueInboundEventLocked(std::move(entry));
+ } // release lock
+
+ if (needWake) {
+ mLooper->wake();
+ }
}
InputEventInjectionResult InputDispatcher::injectInputEvent(
@@ -4456,6 +4658,24 @@
return dump;
}
+std::string InputDispatcher::dumpPointerCaptureStateLocked() {
+ std::string dump;
+
+ dump += StringPrintf(INDENT "FocusedWindowRequestedPointerCapture: %s\n",
+ toString(mFocusedWindowRequestedPointerCapture));
+
+ std::string windowName = "None";
+ if (mWindowTokenWithPointerCapture) {
+ const sp<InputWindowHandle> captureWindowHandle =
+ getWindowHandleLocked(mWindowTokenWithPointerCapture);
+ windowName = captureWindowHandle ? captureWindowHandle->getName().c_str()
+ : "token has capture without window";
+ }
+ dump += StringPrintf(INDENT "CurrentWindowWithPointerCapture: %s\n", windowName.c_str());
+
+ return dump;
+}
+
void InputDispatcher::dumpDispatchStateLocked(std::string& dump) {
dump += StringPrintf(INDENT "DispatchEnabled: %s\n", toString(mDispatchEnabled));
dump += StringPrintf(INDENT "DispatchFrozen: %s\n", toString(mDispatchFrozen));
@@ -4479,6 +4699,7 @@
dump += dumpFocusedWindowsLocked();
dump += dumpPendingFocusRequestsLocked();
+ dump += dumpPointerCaptureStateLocked();
if (!mTouchStatesByDisplay.empty()) {
dump += StringPrintf(INDENT "TouchStatesByDisplay:\n");
@@ -4711,7 +4932,7 @@
}
base::Result<std::unique_ptr<InputChannel>> InputDispatcher::createInputMonitor(
- int32_t displayId, bool isGestureMonitor, const std::string& name) {
+ int32_t displayId, bool isGestureMonitor, const std::string& name, int32_t pid) {
std::shared_ptr<InputChannel> serverChannel;
std::unique_ptr<InputChannel> clientChannel;
status_t result = openInputChannelPair(name, serverChannel, clientChannel);
@@ -4735,7 +4956,7 @@
auto& monitorsByDisplay =
isGestureMonitor ? mGestureMonitorsByDisplay : mGlobalMonitorsByDisplay;
- monitorsByDisplay[displayId].emplace_back(serverChannel);
+ monitorsByDisplay[displayId].emplace_back(serverChannel, pid);
mLooper->addFd(fd, 0, ALOOPER_EVENT_INPUT, handleReceiveCallback, this);
}
@@ -4860,6 +5081,39 @@
return OK;
}
+void InputDispatcher::requestPointerCapture(const sp<IBinder>& windowToken, bool enabled) {
+ { // acquire lock
+ std::scoped_lock _l(mLock);
+ if (DEBUG_FOCUS) {
+ const sp<InputWindowHandle> windowHandle = getWindowHandleLocked(windowToken);
+ ALOGI("Request to %s Pointer Capture from: %s.", enabled ? "enable" : "disable",
+ windowHandle != nullptr ? windowHandle->getName().c_str()
+ : "token without window");
+ }
+
+ const sp<IBinder> focusedToken =
+ getValueByKey(mFocusedWindowTokenByDisplay, mFocusedDisplayId);
+ if (focusedToken != windowToken) {
+ ALOGW("Ignoring request to %s Pointer Capture: window does not have focus.",
+ enabled ? "enable" : "disable");
+ return;
+ }
+
+ if (enabled == mFocusedWindowRequestedPointerCapture) {
+ ALOGW("Ignoring request to %s Pointer Capture: "
+ "window has %s requested pointer capture.",
+ enabled ? "enable" : "disable", enabled ? "already" : "not");
+ return;
+ }
+
+ mFocusedWindowRequestedPointerCapture = enabled;
+ setPointerCaptureLocked(enabled);
+ } // release lock
+
+ // Wake the thread to process command entries.
+ mLooper->wake();
+}
+
std::optional<int32_t> InputDispatcher::findGestureMonitorDisplayByTokenLocked(
const sp<IBinder>& token) {
for (const auto& it : mGestureMonitorsByDisplay) {
@@ -5578,11 +5832,50 @@
enqueueFocusEventLocked(newFocusedToken, true /*hasFocus*/, reason);
}
+ // If a window has pointer capture, then it must have focus. We need to ensure that this
+ // contract is upheld when pointer capture is being disabled due to a loss of window focus.
+ // If the window loses focus before it loses pointer capture, then the window can be in a state
+ // where it has pointer capture but not focus, violating the contract. Therefore we must
+ // dispatch the pointer capture event before the focus event. Since focus events are added to
+ // the front of the queue (above), we add the pointer capture event to the front of the queue
+ // after the focus events are added. This ensures the pointer capture event ends up at the
+ // front.
+ disablePointerCaptureForcedLocked();
+
if (mFocusedDisplayId == displayId) {
notifyFocusChangedLocked(oldFocusedToken, newFocusedToken);
}
}
+void InputDispatcher::disablePointerCaptureForcedLocked() {
+ if (!mFocusedWindowRequestedPointerCapture && !mWindowTokenWithPointerCapture) {
+ return;
+ }
+
+ ALOGD_IF(DEBUG_FOCUS, "Disabling Pointer Capture because the window lost focus.");
+
+ if (mFocusedWindowRequestedPointerCapture) {
+ mFocusedWindowRequestedPointerCapture = false;
+ setPointerCaptureLocked(false);
+ }
+
+ if (!mWindowTokenWithPointerCapture) {
+ // No need to send capture changes because no window has capture.
+ return;
+ }
+
+ if (mPendingEvent != nullptr) {
+ // Move the pending event to the front of the queue. This will give the chance
+ // for the pending event to be dropped if it is a captured event.
+ mInboundQueue.push_front(mPendingEvent);
+ mPendingEvent = nullptr;
+ }
+
+ auto entry = std::make_unique<PointerCaptureChangedEntry>(mIdGenerator.nextId(), now(),
+ false /* hasCapture */);
+ mInboundQueue.push_front(std::move(entry));
+}
+
/**
* Checks if the window token can be focused on a display. The token can be focused if there is
* at least one window handle that is visible with the same token and all window handles with the
@@ -5626,4 +5919,21 @@
return FocusResult::OK;
}
+
+void InputDispatcher::setPointerCaptureLocked(bool enabled) {
+ std::unique_ptr<CommandEntry> commandEntry = std::make_unique<CommandEntry>(
+ &InputDispatcher::doSetPointerCaptureLockedInterruptible);
+ commandEntry->enabled = enabled;
+ postCommandLocked(std::move(commandEntry));
+}
+
+void InputDispatcher::doSetPointerCaptureLockedInterruptible(
+ android::inputdispatcher::CommandEntry* commandEntry) {
+ mLock.unlock();
+
+ mPolicy->setPointerCapture(commandEntry->enabled);
+
+ mLock.lock();
+}
+
} // namespace android::inputdispatcher
diff --git a/services/inputflinger/dispatcher/InputDispatcher.h b/services/inputflinger/dispatcher/InputDispatcher.h
index 8f58785..4806a27 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.h
+++ b/services/inputflinger/dispatcher/InputDispatcher.h
@@ -94,6 +94,7 @@
virtual void notifyKey(const NotifyKeyArgs* args) override;
virtual void notifyMotion(const NotifyMotionArgs* args) override;
virtual void notifySwitch(const NotifySwitchArgs* args) override;
+ virtual void notifySensor(const NotifySensorArgs* args) override;
virtual void notifyDeviceReset(const NotifyDeviceResetArgs* args) override;
virtual void notifyPointerCaptureChanged(const NotifyPointerCaptureChangedArgs* args) override;
@@ -123,10 +124,14 @@
virtual base::Result<std::unique_ptr<InputChannel>> createInputChannel(
const std::string& name) override;
virtual void setFocusedWindow(const FocusRequest&) override;
- virtual base::Result<std::unique_ptr<InputChannel>> createInputMonitor(
- int32_t displayId, bool isGestureMonitor, const std::string& name) override;
+ virtual base::Result<std::unique_ptr<InputChannel>> createInputMonitor(int32_t displayId,
+ bool isGestureMonitor,
+ const std::string& name,
+ int32_t pid) override;
virtual status_t removeInputChannel(const sp<IBinder>& connectionToken) override;
virtual status_t pilferPointers(const sp<IBinder>& token) override;
+ virtual void requestPointerCapture(const sp<IBinder>& windowToken, bool enabled) override;
+ virtual bool flushSensor(int deviceId, InputDeviceSensorType sensorType) override;
std::array<uint8_t, 32> sign(const VerifiedInputEvent& event) const;
@@ -138,6 +143,7 @@
DISABLED,
BLOCKED,
STALE,
+ NO_POINTER_CAPTURE,
};
enum class FocusResult {
@@ -351,6 +357,21 @@
// Top focused display.
int32_t mFocusedDisplayId GUARDED_BY(mLock);
+ // Whether the focused window on the focused display has requested Pointer Capture.
+ // The state of this variable should always be in sync with the state of Pointer Capture in the
+ // policy, which is updated through setPointerCaptureLocked(enabled).
+ bool mFocusedWindowRequestedPointerCapture GUARDED_BY(mLock);
+
+ // The window token that has Pointer Capture.
+ // This should be in sync with PointerCaptureChangedEvents dispatched to the input channel.
+ sp<IBinder> mWindowTokenWithPointerCapture GUARDED_BY(mLock);
+
+ // Disable Pointer Capture as a result of loss of window focus.
+ void disablePointerCaptureForcedLocked() REQUIRES(mLock);
+
+ // Set the Pointer Capture state in the Policy.
+ void setPointerCaptureLocked(bool enabled) REQUIRES(mLock);
+
// Dispatcher state at time of last ANR.
std::string mLastAnrState GUARDED_BY(mLock);
@@ -370,9 +391,13 @@
DropReason* dropReason, nsecs_t* nextWakeupTime) REQUIRES(mLock);
void dispatchFocusLocked(nsecs_t currentTime, std::shared_ptr<FocusEntry> entry)
REQUIRES(mLock);
+ void dispatchPointerCaptureChangedLocked(
+ nsecs_t currentTime, const std::shared_ptr<PointerCaptureChangedEntry>& entry,
+ DropReason& dropReason) REQUIRES(mLock);
void dispatchEventLocked(nsecs_t currentTime, std::shared_ptr<EventEntry> entry,
const std::vector<InputTarget>& inputTargets) REQUIRES(mLock);
-
+ void dispatchSensorLocked(nsecs_t currentTime, std::shared_ptr<SensorEntry> entry,
+ DropReason* dropReason, nsecs_t* nextWakeupTime) REQUIRES(mLock);
void logOutboundKeyDetails(const char* prefix, const KeyEntry& entry);
void logOutboundMotionDetails(const char* prefix, const MotionEntry& entry);
@@ -533,6 +558,7 @@
void logDispatchStateLocked() REQUIRES(mLock);
std::string dumpFocusedWindowsLocked() REQUIRES(mLock);
std::string dumpPendingFocusRequestsLocked() REQUIRES(mLock);
+ std::string dumpPointerCaptureStateLocked() REQUIRES(mLock);
// Registration.
void removeMonitorChannelLocked(const sp<IBinder>& connectionToken) REQUIRES(mLock);
@@ -571,10 +597,12 @@
REQUIRES(mLock);
void doNotifyConnectionResponsiveLockedInterruptible(CommandEntry* commandEntry)
REQUIRES(mLock);
+ void doNotifySensorLockedInterruptible(CommandEntry* commandEntry) REQUIRES(mLock);
void doNotifyUntrustedTouchLockedInterruptible(CommandEntry* commandEntry) REQUIRES(mLock);
void doInterceptKeyBeforeDispatchingLockedInterruptible(CommandEntry* commandEntry)
REQUIRES(mLock);
void doDispatchCycleFinishedLockedInterruptible(CommandEntry* commandEntry) REQUIRES(mLock);
+ void doSetPointerCaptureLockedInterruptible(CommandEntry* commandEntry) REQUIRES(mLock);
bool afterKeyEventLockedInterruptible(const sp<Connection>& connection,
DispatchEntry* dispatchEntry, KeyEntry& keyEntry,
bool handled) REQUIRES(mLock);
diff --git a/services/inputflinger/dispatcher/InputState.cpp b/services/inputflinger/dispatcher/InputState.cpp
index 1656a21..3bb0bc9 100644
--- a/services/inputflinger/dispatcher/InputState.cpp
+++ b/services/inputflinger/dispatcher/InputState.cpp
@@ -14,6 +14,8 @@
* limitations under the License.
*/
+#include "input/InputDevice.h"
+
#include "InputState.h"
#include "InputDispatcher.h"
diff --git a/services/inputflinger/dispatcher/Monitor.cpp b/services/inputflinger/dispatcher/Monitor.cpp
index b347674..bbce759 100644
--- a/services/inputflinger/dispatcher/Monitor.cpp
+++ b/services/inputflinger/dispatcher/Monitor.cpp
@@ -19,7 +19,8 @@
namespace android::inputdispatcher {
// --- Monitor ---
-Monitor::Monitor(const std::shared_ptr<InputChannel>& inputChannel) : inputChannel(inputChannel) {}
+Monitor::Monitor(const std::shared_ptr<InputChannel>& inputChannel, int32_t pid)
+ : inputChannel(inputChannel), pid(pid) {}
// --- TouchedMonitor ---
TouchedMonitor::TouchedMonitor(const Monitor& monitor, float xOffset, float yOffset)
diff --git a/services/inputflinger/dispatcher/Monitor.h b/services/inputflinger/dispatcher/Monitor.h
index fc0b020..7be0760 100644
--- a/services/inputflinger/dispatcher/Monitor.h
+++ b/services/inputflinger/dispatcher/Monitor.h
@@ -24,7 +24,9 @@
struct Monitor {
std::shared_ptr<InputChannel> inputChannel; // never null
- explicit Monitor(const std::shared_ptr<InputChannel>& inputChannel);
+ int32_t pid;
+
+ explicit Monitor(const std::shared_ptr<InputChannel>& inputChannel, int32_t pid);
};
// For tracking the offsets we need to apply when adding gesture monitor targets.
diff --git a/services/inputflinger/dispatcher/include/InputDispatcherInterface.h b/services/inputflinger/dispatcher/include/InputDispatcherInterface.h
index 9154d48..3491893 100644
--- a/services/inputflinger/dispatcher/include/InputDispatcherInterface.h
+++ b/services/inputflinger/dispatcher/include/InputDispatcherInterface.h
@@ -25,6 +25,7 @@
#include <android/os/InputEventInjectionResult.h>
#include <android/os/InputEventInjectionSync.h>
#include <input/InputApplication.h>
+#include <input/InputDevice.h>
#include <input/InputTransport.h>
#include <input/InputWindow.h>
#include <unordered_map>
@@ -172,8 +173,10 @@
*
* This method may be called on any thread (usually by the input manager).
*/
- virtual base::Result<std::unique_ptr<InputChannel>> createInputMonitor(
- int32_t displayId, bool gestureMonitor, const std::string& name) = 0;
+ virtual base::Result<std::unique_ptr<InputChannel>> createInputMonitor(int32_t displayId,
+ bool gestureMonitor,
+ const std::string& name,
+ int32_t pid) = 0;
/* Removes input channels that will no longer receive input events.
*
@@ -186,6 +189,18 @@
* This method may be called on any thread (usually by the input manager).
*/
virtual status_t pilferPointers(const sp<IBinder>& token) = 0;
+
+ /**
+ * Enables Pointer Capture on the specified window if the window has focus.
+ *
+ * InputDispatcher is the source of truth of Pointer Capture.
+ */
+ virtual void requestPointerCapture(const sp<IBinder>& windowToken, bool enabled) = 0;
+ /* Flush input device motion sensor.
+ *
+ * Returns true on success.
+ */
+ virtual bool flushSensor(int deviceId, InputDeviceSensorType sensorType) = 0;
};
} // namespace android
diff --git a/services/inputflinger/dispatcher/include/InputDispatcherPolicyInterface.h b/services/inputflinger/dispatcher/include/InputDispatcherPolicyInterface.h
index 1125257..d9ec020 100644
--- a/services/inputflinger/dispatcher/include/InputDispatcherPolicyInterface.h
+++ b/services/inputflinger/dispatcher/include/InputDispatcherPolicyInterface.h
@@ -68,6 +68,11 @@
/* Notifies the system that an input channel is unrecoverably broken. */
virtual void notifyInputChannelBroken(const sp<IBinder>& token) = 0;
virtual void notifyFocusChanged(const sp<IBinder>& oldToken, const sp<IBinder>& newToken) = 0;
+ virtual void notifySensorEvent(int32_t deviceId, InputDeviceSensorType sensorType,
+ InputDeviceSensorAccuracy accuracy, nsecs_t timestamp,
+ const std::vector<float>& values) = 0;
+ virtual void notifySensorAccuracy(int32_t deviceId, InputDeviceSensorType sensorType,
+ InputDeviceSensorAccuracy accuracy) = 0;
/* Notifies the system that an untrusted touch occurred. */
virtual void notifyUntrustedTouch(const std::string& obscuringPackage) = 0;
@@ -134,6 +139,12 @@
* The touchedToken passed as an argument is the window that received the input event.
*/
virtual void onPointerDownOutsideFocus(const sp<IBinder>& touchedToken) = 0;
+
+ /* Change the Pointer Capture state in InputReader.
+ *
+ * InputDispatcher is solely responsible for updating the Pointer Capture state.
+ */
+ virtual void setPointerCapture(bool enabled) = 0;
};
} // namespace android
diff --git a/services/inputflinger/docs/pointer_capture.md b/services/inputflinger/docs/pointer_capture.md
new file mode 100644
index 0000000..8da699d
--- /dev/null
+++ b/services/inputflinger/docs/pointer_capture.md
@@ -0,0 +1,44 @@
+# Pointer Capture in InputFlinger
+
+## Introduction
+
+[Pointer Capture](https://developer.android.com/training/gestures/movement#pointer-capture) is a feature that was introduced to the Android input pipeline in Android 8.0 (Oreo). Pointer Capture can be enabled or disabled for an `InputWindow` through requests to `InputManagerService`. Enabling Pointer Capture performs the following changes related to the mouse cursor and the devices that control it:
+
+- The position of the mouse cursor is fixed to its location before Pointer Capture was enabled.
+- The mouse cursor is hidden.
+- Events from a mouse will be delivered with the source `SOURCE_MOUSE_RELATIVE`, and their `AXIS_X` and `AXIS_Y` will report relative position changes.
+- Events from a touchpad will be delivered with the source `SOURCE_TOUCHPAD`, and their `AXIS_X` and `AXIS_Y` will report the absolute position of each of the pointers on the touchpad.
+- Events from mouse and touchpad devices are dispatched to the focused `InputWindow`.
+- Events from devices that do not normally control the mouse cursor are not affected.
+
+`InputWindow`s can only gain Pointer Capture if they have window focus. If a window with Pointer Capture loses focus, Pointer Capture is disabled.
+
+## Pointer Capture pipeline in InputFlinger
+
+`InputDispatcher` is responsible for controlling the state of Pointer Capture. Since the feature requires changes to how events are generated, Pointer Capture is configured in `InputReader`.
+
+### Enabling Pointer Capture
+
+There are four key steps that take place when Pointer Capture is enabled:
+
+1. Requests to enable Pointer Capture are forwarded from `InputManagerService` to `InputDispatcher`.
+2. If the window that makes the request has focus, `InputDispatcher` enables the Pointer Capture state in `InputReader` through the `InputDispatcherPolicy`.
+3. When `InputReader` is successfully configured, it notifies `InputDispatcher` through the `InputListener` interface.
+4. `InputDispatcher` then notifies the `InputWindow` that Pointer Capture has been enabled by sending a special `CAPTURE` event through the `InputChannel`.
+
+### Disabling Pointer Capture
+
+Pointer Capture can be disabled in two ways: by a request through `InputManagerService`, and as a result of the `InputWindow` losing focus.
+
+When Pointer Capture is disabled by a request from the application, it follows the same pipeline as when Pointer Capture is enabled.
+
+#### Window loses Pointer Capture when it loses focus
+
+When an `InputWindow` with Pointer Capture loses focus, Pointer Capture is disabled immediately. The `InputWindow` receives a `CAPTURE` event through the `InputChannel`, followed by a `FOCUS` event to notify loss of focus.
+
+## Pointer Capture in `InputDispatcher`
+
+`InputDispatcher` tracks two pieces of state information regarding Pointer Capture:
+
+- `mFocusedWindowRequestedPointerCapture`: Whether or not the focused window has requested Pointer Capture. This is updated whenever the Dispatcher receives requests from `InputManagerService`.
+- `mWindowTokenWithPointerCapture`: The Binder token of the `InputWindow` that currently has Pointer Capture. This is only updated during the dispatch cycle. If it is not `nullptr`, it signifies that the window was notified that it has Pointer Capture.
diff --git a/services/inputflinger/include/InputListener.h b/services/inputflinger/include/InputListener.h
index 58eb915..11f726d 100644
--- a/services/inputflinger/include/InputListener.h
+++ b/services/inputflinger/include/InputListener.h
@@ -20,6 +20,7 @@
#include <vector>
#include <input/Input.h>
+#include <input/InputDevice.h>
#include <input/TouchVideoFrame.h>
#include <utils/RefBase.h>
@@ -141,6 +142,30 @@
virtual void notify(const sp<InputListenerInterface>& listener) const;
};
+/* Describes a sensor event. */
+struct NotifySensorArgs : public NotifyArgs {
+ int32_t deviceId;
+ uint32_t source;
+ InputDeviceSensorType sensorType;
+ InputDeviceSensorAccuracy accuracy;
+ bool accuracyChanged;
+ nsecs_t hwTimestamp;
+ std::vector<float> values;
+
+ inline NotifySensorArgs() {}
+
+ NotifySensorArgs(int32_t id, nsecs_t eventTime, int32_t deviceId, uint32_t source,
+ InputDeviceSensorType sensorType, InputDeviceSensorAccuracy accuracy,
+ bool accuracyChanged, nsecs_t hwTimestamp, std::vector<float> values);
+
+ NotifySensorArgs(const NotifySensorArgs& other);
+
+ bool operator==(const NotifySensorArgs rhs) const;
+
+ ~NotifySensorArgs() override {}
+
+ void notify(const sp<InputListenerInterface>& listener) const override;
+};
/* Describes a switch event. */
struct NotifySwitchArgs : public NotifyArgs {
@@ -211,6 +236,7 @@
virtual void notifyKey(const NotifyKeyArgs* args) = 0;
virtual void notifyMotion(const NotifyMotionArgs* args) = 0;
virtual void notifySwitch(const NotifySwitchArgs* args) = 0;
+ virtual void notifySensor(const NotifySensorArgs* args) = 0;
virtual void notifyDeviceReset(const NotifyDeviceResetArgs* args) = 0;
virtual void notifyPointerCaptureChanged(const NotifyPointerCaptureChangedArgs* args) = 0;
};
@@ -231,6 +257,7 @@
virtual void notifyKey(const NotifyKeyArgs* args) override;
virtual void notifyMotion(const NotifyMotionArgs* args) override;
virtual void notifySwitch(const NotifySwitchArgs* args) override;
+ virtual void notifySensor(const NotifySensorArgs* args) override;
virtual void notifyDeviceReset(const NotifyDeviceResetArgs* args) override;
void notifyPointerCaptureChanged(const NotifyPointerCaptureChangedArgs* args) override;
diff --git a/services/inputflinger/include/InputReaderBase.h b/services/inputflinger/include/InputReaderBase.h
index 6cce8ec..ea9b483 100644
--- a/services/inputflinger/include/InputReaderBase.h
+++ b/services/inputflinger/include/InputReaderBase.h
@@ -111,6 +111,17 @@
/* Return true if the device can send input events to the specified display. */
virtual bool canDispatchToDisplay(int32_t deviceId, int32_t displayId) = 0;
+
+ /* Enable sensor in input reader mapper. */
+ virtual bool enableSensor(int32_t deviceId, InputDeviceSensorType sensorType,
+ std::chrono::microseconds samplingPeriod,
+ std::chrono::microseconds maxBatchReportLatency) = 0;
+
+ /* Disable sensor in input reader mapper. */
+ virtual void disableSensor(int32_t deviceId, InputDeviceSensorType sensorType) = 0;
+
+ /* Flush sensor data in input reader mapper. */
+ virtual void flushSensor(int32_t deviceId, InputDeviceSensorType sensorType) = 0;
};
// --- InputReaderConfiguration ---
diff --git a/services/inputflinger/reader/Android.bp b/services/inputflinger/reader/Android.bp
index 0ccada9..abda4ef 100644
--- a/services/inputflinger/reader/Android.bp
+++ b/services/inputflinger/reader/Android.bp
@@ -37,6 +37,7 @@
"mapper/KeyboardInputMapper.cpp",
"mapper/MultiTouchInputMapper.cpp",
"mapper/RotaryEncoderInputMapper.cpp",
+ "mapper/SensorInputMapper.cpp",
"mapper/SingleTouchInputMapper.cpp",
"mapper/SwitchInputMapper.cpp",
"mapper/TouchInputMapper.cpp",
diff --git a/services/inputflinger/reader/EventHub.cpp b/services/inputflinger/reader/EventHub.cpp
index f864c0e..b97ff90 100644
--- a/services/inputflinger/reader/EventHub.cpp
+++ b/services/inputflinger/reader/EventHub.cpp
@@ -157,6 +157,18 @@
}
}
+ if (deviceClasses.test(InputDeviceClass::SENSOR)) {
+ switch (axis) {
+ case ABS_X:
+ case ABS_Y:
+ case ABS_Z:
+ case ABS_RX:
+ case ABS_RY:
+ case ABS_RZ:
+ return InputDeviceClass::SENSOR;
+ }
+ }
+
// External stylus gets the pressure axis
if (deviceClasses.test(InputDeviceClass::EXTERNAL_STYLUS)) {
if (axis == ABS_PRESSURE) {
@@ -250,6 +262,11 @@
// uses the timestamps extensively and assumes they were recorded using the monotonic
// clock.
int clockId = CLOCK_MONOTONIC;
+ if (classes.test(InputDeviceClass::SENSOR)) {
+ // Each new sensor event should use the same time base as
+ // SystemClock.elapsedRealtimeNanos().
+ clockId = CLOCK_BOOTTIME;
+ }
bool usingClockIoctl = !ioctl(fd, EVIOCSCLOCKID, &clockId);
ALOGI("usingClockIoctl=%s", toString(usingClockIoctl));
}
@@ -550,6 +567,15 @@
: false;
}
+bool EventHub::hasMscEvent(int32_t deviceId, int mscEvent) const {
+ std::scoped_lock _l(mLock);
+
+ Device* device = getDeviceLocked(deviceId);
+ return mscEvent >= 0 && mscEvent <= MSC_MAX && device != nullptr
+ ? device->mscBitmask.test(mscEvent)
+ : false;
+}
+
int32_t EventHub::getScanCodeState(int32_t deviceId, int32_t scanCode) const {
if (scanCode >= 0 && scanCode <= KEY_MAX) {
std::scoped_lock _l(mLock);
@@ -705,6 +731,17 @@
return NAME_NOT_FOUND;
}
+base::Result<std::pair<InputDeviceSensorType, int32_t>> EventHub::mapSensor(int32_t deviceId,
+ int32_t absCode) {
+ std::scoped_lock _l(mLock);
+ Device* device = getDeviceLocked(deviceId);
+
+ if (device != nullptr && device->keyMap.haveKeyLayout()) {
+ return device->keyMap.keyLayoutMap->mapSensor(absCode);
+ }
+ return Errorf("Device not found or device has no key layout.");
+}
+
void EventHub::setExcludedDevices(const std::vector<std::string>& devices) {
std::scoped_lock _l(mLock);
@@ -1405,6 +1442,7 @@
device->readDeviceBitMask(EVIOCGBIT(EV_SW, 0), device->swBitmask);
device->readDeviceBitMask(EVIOCGBIT(EV_LED, 0), device->ledBitmask);
device->readDeviceBitMask(EVIOCGBIT(EV_FF, 0), device->ffBitmask);
+ device->readDeviceBitMask(EVIOCGBIT(EV_MSC, 0), device->mscBitmask);
device->readDeviceBitMask(EVIOCGPROP(0), device->propBitmask);
// See if this is a keyboard. Ignore everything in the button range except for
@@ -1469,6 +1507,11 @@
}
}
+ // Check whether this device is an accelerometer.
+ if (device->propBitmask.test(INPUT_PROP_ACCELEROMETER)) {
+ device->classes |= InputDeviceClass::SENSOR;
+ }
+
// Check whether this device has switches.
for (int i = 0; i <= SW_MAX; i++) {
if (device->swBitmask.test(i)) {
@@ -1493,9 +1536,11 @@
}
// Load the key map.
- // We need to do this for joysticks too because the key layout may specify axes.
+ // We need to do this for joysticks too because the key layout may specify axes, and for
+ // sensor as well because the key layout may specify the axes to sensor data mapping.
status_t keyMapStatus = NAME_NOT_FOUND;
- if (device->classes.any(InputDeviceClass::KEYBOARD | InputDeviceClass::JOYSTICK)) {
+ if (device->classes.any(InputDeviceClass::KEYBOARD | InputDeviceClass::JOYSTICK |
+ InputDeviceClass::SENSOR)) {
// Load the keymap for the device.
keyMapStatus = device->loadKeyMapLocked();
}
diff --git a/services/inputflinger/reader/InputDevice.cpp b/services/inputflinger/reader/InputDevice.cpp
index d25d64a..ac72ac4 100644
--- a/services/inputflinger/reader/InputDevice.cpp
+++ b/services/inputflinger/reader/InputDevice.cpp
@@ -28,6 +28,7 @@
#include "KeyboardInputMapper.h"
#include "MultiTouchInputMapper.h"
#include "RotaryEncoderInputMapper.h"
+#include "SensorInputMapper.h"
#include "SingleTouchInputMapper.h"
#include "SwitchInputMapper.h"
#include "VibratorInputMapper.h"
@@ -196,6 +197,11 @@
mappers.push_back(std::make_unique<JoystickInputMapper>(*contextPtr));
}
+ // Motion sensor enabled devices.
+ if (classes.test(InputDeviceClass::SENSOR)) {
+ mappers.push_back(std::make_unique<SensorInputMapper>(*contextPtr));
+ }
+
// External stylus-like devices.
if (classes.test(InputDeviceClass::EXTERNAL_STYLUS)) {
mappers.push_back(std::make_unique<ExternalStylusInputMapper>(*contextPtr));
@@ -460,6 +466,25 @@
return vibrators;
}
+bool InputDevice::enableSensor(InputDeviceSensorType sensorType,
+ std::chrono::microseconds samplingPeriod,
+ std::chrono::microseconds maxBatchReportLatency) {
+ bool success = true;
+ for_each_mapper(
+ [&success, sensorType, samplingPeriod, maxBatchReportLatency](InputMapper& mapper) {
+ success &= mapper.enableSensor(sensorType, samplingPeriod, maxBatchReportLatency);
+ });
+ return success;
+}
+
+void InputDevice::disableSensor(InputDeviceSensorType sensorType) {
+ for_each_mapper([sensorType](InputMapper& mapper) { mapper.disableSensor(sensorType); });
+}
+
+void InputDevice::flushSensor(InputDeviceSensorType sensorType) {
+ for_each_mapper([sensorType](InputMapper& mapper) { mapper.flushSensor(sensorType); });
+}
+
void InputDevice::cancelTouch(nsecs_t when) {
for_each_mapper([when](InputMapper& mapper) { mapper.cancelTouch(when); });
}
diff --git a/services/inputflinger/reader/InputReader.cpp b/services/inputflinger/reader/InputReader.cpp
index a6b5e2d..be21ace 100644
--- a/services/inputflinger/reader/InputReader.cpp
+++ b/services/inputflinger/reader/InputReader.cpp
@@ -220,6 +220,11 @@
if (device->getClasses().test(InputDeviceClass::EXTERNAL_STYLUS)) {
notifyExternalStylusPresenceChangedLocked();
}
+
+ // Sensor input device is noisy, to save power disable it by default.
+ if (device->getClasses().test(InputDeviceClass::SENSOR)) {
+ mEventHub->disableDevice(eventHubId);
+ }
}
void InputReader::removeDeviceLocked(nsecs_t when, int32_t eventHubId) {
@@ -639,6 +644,36 @@
return {};
}
+void InputReader::disableSensor(int32_t deviceId, InputDeviceSensorType sensorType) {
+ std::scoped_lock _l(mLock);
+
+ InputDevice* device = findInputDeviceLocked(deviceId);
+ if (device) {
+ device->disableSensor(sensorType);
+ }
+}
+
+bool InputReader::enableSensor(int32_t deviceId, InputDeviceSensorType sensorType,
+ std::chrono::microseconds samplingPeriod,
+ std::chrono::microseconds maxBatchReportLatency) {
+ std::scoped_lock _l(mLock);
+
+ InputDevice* device = findInputDeviceLocked(deviceId);
+ if (device) {
+ return device->enableSensor(sensorType, samplingPeriod, maxBatchReportLatency);
+ }
+ return false;
+}
+
+void InputReader::flushSensor(int32_t deviceId, InputDeviceSensorType sensorType) {
+ std::scoped_lock _l(mLock);
+
+ InputDevice* device = findInputDeviceLocked(deviceId);
+ if (device) {
+ device->flushSensor(sensorType);
+ }
+}
+
bool InputReader::isInputDeviceEnabled(int32_t deviceId) {
std::scoped_lock _l(mLock);
diff --git a/services/inputflinger/reader/include/EventHub.h b/services/inputflinger/reader/include/EventHub.h
index 9e38d0a..2cea017 100644
--- a/services/inputflinger/reader/include/EventHub.h
+++ b/services/inputflinger/reader/include/EventHub.h
@@ -118,6 +118,9 @@
/* The input device has a rotary encoder */
ROTARY_ENCODER = 0x00001000,
+ /* The input device has a sensor like accelerometer, gyro, etc */
+ SENSOR = 0x00002000,
+
/* The input device is virtual (not a real device, not part of UI configuration). */
VIRTUAL = 0x40000000,
@@ -177,6 +180,8 @@
virtual bool hasInputProperty(int32_t deviceId, int property) const = 0;
+ virtual bool hasMscEvent(int32_t deviceId, int mscEvent) const = 0;
+
virtual status_t mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode,
int32_t metaState, int32_t* outKeycode, int32_t* outMetaState,
uint32_t* outFlags) const = 0;
@@ -201,6 +206,8 @@
*/
virtual size_t getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSize) = 0;
virtual std::vector<TouchVideoFrame> getVideoFrames(int32_t deviceId) = 0;
+ virtual base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(int32_t deviceId,
+ int32_t absCode) = 0;
/*
* Query current input state.
@@ -346,6 +353,8 @@
bool hasInputProperty(int32_t deviceId, int property) const override final;
+ bool hasMscEvent(int32_t deviceId, int mscEvent) const override final;
+
status_t mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode, int32_t metaState,
int32_t* outKeycode, int32_t* outMetaState,
uint32_t* outFlags) const override final;
@@ -353,6 +362,9 @@
status_t mapAxis(int32_t deviceId, int32_t scanCode,
AxisInfo* outAxisInfo) const override final;
+ base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(
+ int32_t deviceId, int32_t absCode) override final;
+
void setExcludedDevices(const std::vector<std::string>& devices) override final;
int32_t getScanCodeState(int32_t deviceId, int32_t scanCode) const override final;
@@ -420,6 +432,7 @@
BitArray<LED_MAX> ledBitmask;
BitArray<FF_MAX> ffBitmask;
BitArray<INPUT_PROP_MAX> propBitmask;
+ BitArray<MSC_MAX> mscBitmask;
std::string configurationFile;
std::unique_ptr<PropertyMap> configuration;
diff --git a/services/inputflinger/reader/include/InputDevice.h b/services/inputflinger/reader/include/InputDevice.h
index 8b14b06..5af76b7 100644
--- a/services/inputflinger/reader/include/InputDevice.h
+++ b/services/inputflinger/reader/include/InputDevice.h
@@ -87,6 +87,10 @@
bool isVibrating();
std::vector<int32_t> getVibratorIds();
void cancelTouch(nsecs_t when);
+ bool enableSensor(InputDeviceSensorType sensorType, std::chrono::microseconds samplingPeriod,
+ std::chrono::microseconds maxBatchReportLatency);
+ void disableSensor(InputDeviceSensorType sensorType);
+ void flushSensor(InputDeviceSensorType sensorType);
int32_t getMetaState();
void updateMetaState(int32_t keyCode);
@@ -229,9 +233,12 @@
inline bool hasRelativeAxis(int32_t code) const {
return mEventHub->hasRelativeAxis(mId, code);
}
- inline bool hasInputProperty(int property) const {
+ inline bool hasInputProperty(int32_t property) const {
return mEventHub->hasInputProperty(mId, property);
}
+
+ inline bool hasMscEvent(int mscEvent) const { return mEventHub->hasMscEvent(mId, mscEvent); }
+
inline status_t mapKey(int32_t scanCode, int32_t usageCode, int32_t metaState,
int32_t* outKeycode, int32_t* outMetaState, uint32_t* outFlags) const {
return mEventHub->mapKey(mId, scanCode, usageCode, metaState, outKeycode, outMetaState,
@@ -240,6 +247,10 @@
inline status_t mapAxis(int32_t scanCode, AxisInfo* outAxisInfo) const {
return mEventHub->mapAxis(mId, scanCode, outAxisInfo);
}
+ inline base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(int32_t absCode) {
+ return mEventHub->mapSensor(mId, absCode);
+ }
+
inline std::vector<TouchVideoFrame> getVideoFrames() { return mEventHub->getVideoFrames(mId); }
inline int32_t getScanCodeState(int32_t scanCode) const {
return mEventHub->getScanCodeState(mId, scanCode);
diff --git a/services/inputflinger/reader/include/InputReader.h b/services/inputflinger/reader/include/InputReader.h
index b16b86c..48d4596 100644
--- a/services/inputflinger/reader/include/InputReader.h
+++ b/services/inputflinger/reader/include/InputReader.h
@@ -87,6 +87,14 @@
bool canDispatchToDisplay(int32_t deviceId, int32_t displayId) override;
+ bool enableSensor(int32_t deviceId, InputDeviceSensorType sensorType,
+ std::chrono::microseconds samplingPeriod,
+ std::chrono::microseconds maxBatchReportLatency) override;
+
+ void disableSensor(int32_t deviceId, InputDeviceSensorType sensorType) override;
+
+ void flushSensor(int32_t deviceId, InputDeviceSensorType sensorType) override;
+
protected:
// These members are protected so they can be instrumented by test cases.
virtual std::shared_ptr<InputDevice> createDeviceLocked(int32_t deviceId,
diff --git a/services/inputflinger/reader/mapper/InputMapper.cpp b/services/inputflinger/reader/mapper/InputMapper.cpp
index 913cef7..1ce54ae 100644
--- a/services/inputflinger/reader/mapper/InputMapper.cpp
+++ b/services/inputflinger/reader/mapper/InputMapper.cpp
@@ -70,6 +70,16 @@
void InputMapper::cancelTouch(nsecs_t when) {}
+bool InputMapper::enableSensor(InputDeviceSensorType sensorType,
+ std::chrono::microseconds samplingPeriod,
+ std::chrono::microseconds maxBatchReportLatency) {
+ return true;
+}
+
+void InputMapper::disableSensor(InputDeviceSensorType sensorType) {}
+
+void InputMapper::flushSensor(InputDeviceSensorType sensorType) {}
+
int32_t InputMapper::getMetaState() {
return 0;
}
diff --git a/services/inputflinger/reader/mapper/InputMapper.h b/services/inputflinger/reader/mapper/InputMapper.h
index 088dbd8..bd64d8d 100644
--- a/services/inputflinger/reader/mapper/InputMapper.h
+++ b/services/inputflinger/reader/mapper/InputMapper.h
@@ -68,6 +68,11 @@
virtual bool isVibrating();
virtual std::vector<int32_t> getVibratorIds();
virtual void cancelTouch(nsecs_t when);
+ virtual bool enableSensor(InputDeviceSensorType sensorType,
+ std::chrono::microseconds samplingPeriod,
+ std::chrono::microseconds maxBatchReportLatency);
+ virtual void disableSensor(InputDeviceSensorType sensorType);
+ virtual void flushSensor(InputDeviceSensorType sensorType);
virtual int32_t getMetaState();
virtual void updateMetaState(int32_t keyCode);
diff --git a/services/inputflinger/reader/mapper/SensorInputMapper.cpp b/services/inputflinger/reader/mapper/SensorInputMapper.cpp
new file mode 100644
index 0000000..7ac2dec
--- /dev/null
+++ b/services/inputflinger/reader/mapper/SensorInputMapper.cpp
@@ -0,0 +1,421 @@
+/*
+ * Copyright (C) 2020 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 <locale>
+
+#include "../Macros.h"
+
+#include "SensorInputMapper.h"
+
+// Log detailed debug messages about each sensor event notification to the dispatcher.
+constexpr bool DEBUG_SENSOR_EVENT_DETAILS = false;
+
+namespace android {
+
+// Mask for the LSB 2nd, 3rd and fourth bits.
+constexpr int REPORTING_MODE_MASK = 0xE;
+constexpr int REPORTING_MODE_SHIFT = 1;
+constexpr float GRAVITY_MS2_UNIT = 9.80665f;
+constexpr float DEGREE_RADIAN_UNIT = 0.0174533f;
+
+/* Convert the sensor data from Linux to Android
+ * Linux accelerometer unit is per g, Android unit is m/s^2
+ * Linux gyroscope unit is degree/second, Android unit is radians/second
+ */
+static void convertFromLinuxToAndroid(std::vector<float>& values,
+ InputDeviceSensorType sensorType) {
+ for (size_t i = 0; i < values.size(); i++) {
+ switch (sensorType) {
+ case InputDeviceSensorType::ACCELEROMETER:
+ values[i] *= GRAVITY_MS2_UNIT;
+ break;
+ case InputDeviceSensorType::GYROSCOPE:
+ values[i] *= DEGREE_RADIAN_UNIT;
+ break;
+ default:
+ break;
+ }
+ }
+}
+
+SensorInputMapper::SensorInputMapper(InputDeviceContext& deviceContext)
+ : InputMapper(deviceContext) {}
+
+SensorInputMapper::~SensorInputMapper() {}
+
+uint32_t SensorInputMapper::getSources() {
+ return AINPUT_SOURCE_SENSOR;
+}
+
+template <typename T>
+bool SensorInputMapper::tryGetProperty(std::string keyName, T& outValue) {
+ const auto& config = getDeviceContext().getConfiguration();
+ return config.tryGetProperty(String8(keyName.c_str()), outValue);
+}
+
+void SensorInputMapper::parseSensorConfiguration(InputDeviceSensorType sensorType, int32_t absCode,
+ int32_t sensorDataIndex, const Axis& axis) {
+ auto it = mSensors.find(sensorType);
+ if (it == mSensors.end()) {
+ Sensor sensor = createSensor(sensorType, axis);
+ sensor.dataVec[sensorDataIndex] = absCode;
+ mSensors.emplace(sensorType, sensor);
+ } else {
+ it->second.dataVec[sensorDataIndex] = absCode;
+ }
+}
+
+void SensorInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
+ InputMapper::populateDeviceInfo(info);
+
+ for (const auto& [sensorType, sensor] : mSensors) {
+ info->addSensorInfo(sensor.sensorInfo);
+ info->setHasSensor(true);
+ }
+}
+
+void SensorInputMapper::dump(std::string& dump) {
+ dump += INDENT2 "Sensor Input Mapper:\n";
+ dump += StringPrintf(INDENT3 " isDeviceEnabled %d\n", getDeviceContext().isDeviceEnabled());
+ dump += StringPrintf(INDENT3 " mHasHardwareTimestamp %d\n", mHasHardwareTimestamp);
+ dump += INDENT3 "Sensors:\n";
+ for (const auto& [sensorType, sensor] : mSensors) {
+ dump += StringPrintf(INDENT4 "%s\n", NamedEnum::string(sensorType).c_str());
+ dump += StringPrintf(INDENT5 "enabled: %d\n", sensor.enabled);
+ dump += StringPrintf(INDENT5 "samplingPeriod: %lld\n", sensor.samplingPeriod.count());
+ dump += StringPrintf(INDENT5 "maxBatchReportLatency: %lld\n",
+ sensor.maxBatchReportLatency.count());
+ dump += StringPrintf(INDENT5 "maxRange: %f\n", sensor.sensorInfo.maxRange);
+ dump += StringPrintf(INDENT5 "power: %f\n", sensor.sensorInfo.power);
+ for (ssize_t i = 0; i < SENSOR_VEC_LEN; i++) {
+ int32_t rawAxis = sensor.dataVec[i];
+ dump += StringPrintf(INDENT5 "[%zd]: rawAxis: %d \n", i, rawAxis);
+ const auto it = mAxes.find(rawAxis);
+ if (it != mAxes.end()) {
+ const Axis& axis = it->second;
+ dump += StringPrintf(INDENT5 " min=%0.5f, max=%0.5f, flat=%0.5f, fuzz=%0.5f,"
+ "resolution=%0.5f\n",
+ axis.min, axis.max, axis.flat, axis.fuzz, axis.resolution);
+ dump += StringPrintf(INDENT5 " scale=%0.5f, offset=%0.5f\n", axis.scale,
+ axis.offset);
+ dump += StringPrintf(INDENT5 " rawMin=%d, rawMax=%d, "
+ "rawFlat=%d, rawFuzz=%d, rawResolution=%d\n",
+ axis.rawAxisInfo.minValue, axis.rawAxisInfo.maxValue,
+ axis.rawAxisInfo.flat, axis.rawAxisInfo.fuzz,
+ axis.rawAxisInfo.resolution);
+ }
+ }
+ }
+}
+
+void SensorInputMapper::configure(nsecs_t when, const InputReaderConfiguration* config,
+ uint32_t changes) {
+ InputMapper::configure(when, config, changes);
+
+ if (!changes) { // first time only
+ mDeviceEnabled = true;
+ // Check if device has MSC_TIMESTAMP event.
+ mHasHardwareTimestamp = getDeviceContext().hasMscEvent(MSC_TIMESTAMP);
+ // Collect all axes.
+ for (int32_t abs = ABS_X; abs <= ABS_MAX; abs++) {
+ // axis must be claimed by sensor class device
+ if (!(getAbsAxisUsage(abs, getDeviceContext().getDeviceClasses())
+ .test(InputDeviceClass::SENSOR))) {
+ continue;
+ }
+ RawAbsoluteAxisInfo rawAxisInfo;
+ getAbsoluteAxisInfo(abs, &rawAxisInfo);
+ if (rawAxisInfo.valid) {
+ AxisInfo axisInfo;
+ // Axis doesn't need to be mapped, as sensor mapper doesn't generate any motion
+ // input events
+ axisInfo.mode = AxisInfo::MODE_NORMAL;
+ axisInfo.axis = -1;
+ // Check key layout map for sensor data mapping to axes
+ auto ret = getDeviceContext().mapSensor(abs);
+ if (ret.ok()) {
+ InputDeviceSensorType sensorType = (*ret).first;
+ int32_t sensorDataIndex = (*ret).second;
+ const Axis& axis = createAxis(axisInfo, rawAxisInfo);
+ parseSensorConfiguration(sensorType, abs, sensorDataIndex, axis);
+
+ mAxes.insert({abs, axis});
+ }
+ }
+ }
+ }
+}
+
+SensorInputMapper::Axis SensorInputMapper::createAxis(const AxisInfo& axisInfo,
+ const RawAbsoluteAxisInfo& rawAxisInfo) {
+ // Apply flat override.
+ int32_t rawFlat = axisInfo.flatOverride < 0 ? rawAxisInfo.flat : axisInfo.flatOverride;
+
+ float scale = std::numeric_limits<float>::signaling_NaN();
+ float offset = 0;
+
+ // resolution is 1 of sensor's unit. For accelerometer, it is G, for gyroscope,
+ // it is degree/s.
+ scale = 1.0f / rawAxisInfo.resolution;
+ offset = avg(rawAxisInfo.minValue, rawAxisInfo.maxValue) * -scale;
+
+ const float max = rawAxisInfo.maxValue / rawAxisInfo.resolution;
+ const float min = rawAxisInfo.minValue / rawAxisInfo.resolution;
+ const float flat = rawFlat * scale;
+ const float fuzz = rawAxisInfo.fuzz * scale;
+ const float resolution = rawAxisInfo.resolution;
+
+ // To eliminate noise while the Sensor is at rest, filter out small variations
+ // in axis values up front.
+ const float filter = fuzz ? fuzz : flat * 0.25f;
+ return Axis(rawAxisInfo, axisInfo, scale, offset, min, max, flat, fuzz, resolution, filter);
+}
+
+void SensorInputMapper::reset(nsecs_t when) {
+ // Recenter all axes.
+ for (std::pair<const int32_t, Axis>& pair : mAxes) {
+ Axis& axis = pair.second;
+ axis.resetValue();
+ }
+ mHardwareTimestamp = 0;
+ mPrevMscTime = 0;
+ InputMapper::reset(when);
+}
+
+SensorInputMapper::Sensor SensorInputMapper::createSensor(InputDeviceSensorType sensorType,
+ const Axis& axis) {
+ InputDeviceIdentifier identifier = getDeviceContext().getDeviceIdentifier();
+ // Sensor Id will be assigned to device Id to distinguish same sensor from multiple input
+ // devices, in such a way that the sensor Id will be same as input device Id.
+ // The sensorType is to distinguish different sensors within one device.
+ // One input device can only have 1 sensor for each sensor Type.
+ InputDeviceSensorInfo sensorInfo(identifier.name, std::to_string(identifier.vendor),
+ identifier.version, sensorType,
+ InputDeviceSensorAccuracy::ACCURACY_HIGH,
+ axis.max /* maxRange */, axis.scale /* resolution */,
+ 0.0f /* power */, 0 /* minDelay */,
+ 0 /* fifoReservedEventCount */, 0 /* fifoMaxEventCount */,
+ NamedEnum::string(sensorType), 0 /* maxDelay */, 0 /* flags */,
+ getDeviceId());
+
+ std::string prefix = "sensor." + NamedEnum::string(sensorType);
+ transform(prefix.begin(), prefix.end(), prefix.begin(), ::tolower);
+
+ int32_t reportingMode = 0;
+ if (!tryGetProperty(prefix + ".reportingMode", reportingMode)) {
+ sensorInfo.flags |= (reportingMode & REPORTING_MODE_MASK) << REPORTING_MODE_SHIFT;
+ }
+
+ tryGetProperty(prefix + ".maxDelay", sensorInfo.maxDelay);
+
+ tryGetProperty(prefix + ".minDelay", sensorInfo.minDelay);
+
+ tryGetProperty(prefix + ".power", sensorInfo.power);
+
+ tryGetProperty(prefix + ".fifoReservedEventCount", sensorInfo.fifoReservedEventCount);
+
+ tryGetProperty(prefix + ".fifoMaxEventCount", sensorInfo.fifoMaxEventCount);
+
+ return Sensor(sensorInfo);
+}
+
+void SensorInputMapper::processHardWareTimestamp(nsecs_t evTime, int32_t mscTime) {
+ // Since MSC_TIMESTAMP initial state is different from the system time, we
+ // calculate the difference between two MSC_TIMESTAMP events, and use that
+ // to calculate the system time that should be tagged on the event.
+ // if the first time MSC_TIMESTAMP, store it
+ // else calculate difference between previous and current MSC_TIMESTAMP
+ if (mPrevMscTime == 0) {
+ mHardwareTimestamp = evTime;
+ if (DEBUG_SENSOR_EVENT_DETAILS) {
+ ALOGD("Initialize hardware timestamp = %" PRId64, mHardwareTimestamp);
+ }
+ } else {
+ // Calculate the difference between current msc_timestamp and
+ // previous msc_timestamp, including when msc_timestamp wraps around.
+ uint32_t timeDiff = (mPrevMscTime > static_cast<uint32_t>(mscTime))
+ ? (UINT32_MAX - mPrevMscTime + static_cast<uint32_t>(mscTime + 1))
+ : (static_cast<uint32_t>(mscTime) - mPrevMscTime);
+
+ mHardwareTimestamp += timeDiff * 1000LL;
+ }
+ mPrevMscTime = static_cast<uint32_t>(mscTime);
+}
+
+void SensorInputMapper::process(const RawEvent* rawEvent) {
+ switch (rawEvent->type) {
+ case EV_ABS: {
+ auto it = mAxes.find(rawEvent->code);
+ if (it != mAxes.end()) {
+ Axis& axis = it->second;
+ axis.newValue = rawEvent->value * axis.scale + axis.offset;
+ }
+ break;
+ }
+
+ case EV_SYN:
+ switch (rawEvent->code) {
+ case SYN_REPORT:
+ for (std::pair<const int32_t, Axis>& pair : mAxes) {
+ Axis& axis = pair.second;
+ axis.currentValue = axis.newValue;
+ }
+ sync(rawEvent->when, false /*force*/);
+ break;
+ }
+ break;
+
+ case EV_MSC:
+ switch (rawEvent->code) {
+ case MSC_TIMESTAMP:
+ // hardware timestamp is nano seconds
+ processHardWareTimestamp(rawEvent->when, rawEvent->value);
+ break;
+ }
+ }
+}
+
+bool SensorInputMapper::setSensorEnabled(InputDeviceSensorType sensorType, bool enabled) {
+ auto it = mSensors.find(sensorType);
+ if (it == mSensors.end()) {
+ return false;
+ }
+
+ it->second.enabled = enabled;
+ if (!enabled) {
+ it->second.resetValue();
+ }
+
+ /* Currently we can't enable/disable sensors individually. Enabling any sensor will enable
+ * the device
+ */
+ mDeviceEnabled = false;
+ for (const auto& [sensorType, sensor] : mSensors) {
+ // If any sensor is on we will turn on the device.
+ if (sensor.enabled) {
+ mDeviceEnabled = true;
+ break;
+ }
+ }
+ return true;
+}
+
+void SensorInputMapper::flushSensor(InputDeviceSensorType sensorType) {
+ auto it = mSensors.find(sensorType);
+ if (it == mSensors.end()) {
+ return;
+ }
+ auto& sensor = it->second;
+ sensor.lastSampleTimeNs = 0;
+ for (size_t i = 0; i < SENSOR_VEC_LEN; i++) {
+ int32_t abs = sensor.dataVec[i];
+ auto itAxis = mAxes.find(abs);
+ if (itAxis != mAxes.end()) {
+ Axis& axis = itAxis->second;
+ axis.resetValue();
+ }
+ }
+}
+
+bool SensorInputMapper::enableSensor(InputDeviceSensorType sensorType,
+ std::chrono::microseconds samplingPeriod,
+ std::chrono::microseconds maxBatchReportLatency) {
+ if (DEBUG_SENSOR_EVENT_DETAILS) {
+ ALOGD("Enable Sensor %s samplingPeriod %lld maxBatchReportLatency %lld",
+ NamedEnum::string(sensorType).c_str(), samplingPeriod.count(),
+ maxBatchReportLatency.count());
+ }
+
+ if (!setSensorEnabled(sensorType, true /* enabled */)) {
+ return false;
+ }
+
+ // Enable device
+ if (mDeviceEnabled) {
+ getDeviceContext().enableDevice();
+ }
+
+ // We know the sensor exists now, update the sampling period and batch report latency.
+ auto it = mSensors.find(sensorType);
+ it->second.samplingPeriod =
+ std::chrono::duration_cast<std::chrono::nanoseconds>(samplingPeriod);
+ it->second.maxBatchReportLatency =
+ std::chrono::duration_cast<std::chrono::nanoseconds>(maxBatchReportLatency);
+ return true;
+}
+
+void SensorInputMapper::disableSensor(InputDeviceSensorType sensorType) {
+ if (DEBUG_SENSOR_EVENT_DETAILS) {
+ ALOGD("Disable Sensor %s", NamedEnum::string(sensorType).c_str());
+ }
+
+ if (!setSensorEnabled(sensorType, false /* enabled */)) {
+ return;
+ }
+
+ // Disable device
+ if (!mDeviceEnabled) {
+ mHardwareTimestamp = 0;
+ mPrevMscTime = 0;
+ getDeviceContext().disableDevice();
+ }
+}
+
+void SensorInputMapper::sync(nsecs_t when, bool force) {
+ for (auto& [sensorType, sensor] : mSensors) {
+ // Skip if sensor not enabled
+ if (!sensor.enabled) {
+ continue;
+ }
+ std::vector<float> values;
+ for (ssize_t i = 0; i < SENSOR_VEC_LEN; i++) {
+ int32_t abs = sensor.dataVec[i];
+ auto it = mAxes.find(abs);
+ if (it != mAxes.end()) {
+ const Axis& axis = it->second;
+ values.push_back(axis.currentValue);
+ }
+ }
+
+ nsecs_t timestamp = mHasHardwareTimestamp ? mHardwareTimestamp : when;
+ if (DEBUG_SENSOR_EVENT_DETAILS) {
+ ALOGD("Sensor %s timestamp %" PRIu64 " values [%f %f %f]",
+ NamedEnum::string(sensorType).c_str(), timestamp, values[0], values[1],
+ values[2]);
+ }
+ if (sensor.lastSampleTimeNs.has_value() &&
+ timestamp - sensor.lastSampleTimeNs.value() < sensor.samplingPeriod.count()) {
+ if (DEBUG_SENSOR_EVENT_DETAILS) {
+ ALOGD("Sensor %s Skip a sample.", NamedEnum::string(sensorType).c_str());
+ }
+ } else {
+ // Convert to Android unit
+ convertFromLinuxToAndroid(values, sensorType);
+ // Notify dispatcher for sensor event
+ NotifySensorArgs args(getContext()->getNextId(), when, getDeviceId(),
+ AINPUT_SOURCE_SENSOR, sensorType, sensor.sensorInfo.accuracy,
+ sensor.accuracy !=
+ sensor.sensorInfo.accuracy /* accuracyChanged */,
+ timestamp /* hwTimestamp */, values);
+
+ getListener()->notifySensor(&args);
+ sensor.lastSampleTimeNs = timestamp;
+ sensor.accuracy = sensor.sensorInfo.accuracy;
+ }
+ }
+}
+
+} // namespace android
diff --git a/services/inputflinger/reader/mapper/SensorInputMapper.h b/services/inputflinger/reader/mapper/SensorInputMapper.h
new file mode 100644
index 0000000..1797fe3
--- /dev/null
+++ b/services/inputflinger/reader/mapper/SensorInputMapper.h
@@ -0,0 +1,137 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#ifndef _UI_INPUTREADER_SENSOR_INPUT_MAPPER_H
+#define _UI_INPUTREADER_SENSOR_INPUT_MAPPER_H
+
+#include "InputMapper.h"
+
+namespace android {
+// sensor data vector length
+static constexpr ssize_t SENSOR_VEC_LEN = 3;
+
+class SensorInputMapper : public InputMapper {
+public:
+ explicit SensorInputMapper(InputDeviceContext& deviceContext);
+ ~SensorInputMapper() override;
+
+ uint32_t getSources() override;
+ void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
+ void dump(std::string& dump) override;
+ void configure(nsecs_t when, const InputReaderConfiguration* config, uint32_t changes) override;
+ void reset(nsecs_t when) override;
+ void process(const RawEvent* rawEvent) override;
+ bool enableSensor(InputDeviceSensorType sensorType, std::chrono::microseconds samplingPeriod,
+ std::chrono::microseconds maxBatchReportLatency) override;
+ void disableSensor(InputDeviceSensorType sensorType) override;
+ void flushSensor(InputDeviceSensorType sensorType) override;
+
+private:
+ struct Axis {
+ explicit Axis(const RawAbsoluteAxisInfo& rawAxisInfo, const AxisInfo& axisInfo, float scale,
+ float offset, float min, float max, float flat, float fuzz, float resolution,
+ float filter)
+ : rawAxisInfo(rawAxisInfo),
+ axisInfo(axisInfo),
+ scale(scale),
+ offset(offset),
+ min(min),
+ max(max),
+ flat(flat),
+ fuzz(fuzz),
+ resolution(resolution),
+ filter(filter) {
+ resetValue();
+ }
+
+ RawAbsoluteAxisInfo rawAxisInfo;
+ AxisInfo axisInfo;
+
+ float scale; // scale factor from raw to normalized values
+ float offset; // offset to add after scaling for normalization
+
+ float min; // normalized inclusive minimum
+ float max; // normalized inclusive maximum
+ float flat; // normalized flat region size
+ float fuzz; // normalized error tolerance
+ float resolution; // normalized resolution in units
+
+ float filter; // filter out small variations of this size
+ float currentValue; // current value
+ float newValue; // most recent value
+
+ void resetValue() {
+ this->currentValue = 0;
+ this->newValue = 0;
+ }
+ };
+
+ struct Sensor {
+ explicit Sensor(const InputDeviceSensorInfo& sensorInfo) : sensorInfo(sensorInfo) {
+ resetValue();
+ }
+ bool enabled;
+ InputDeviceSensorAccuracy accuracy;
+ std::chrono::nanoseconds samplingPeriod;
+ std::chrono::nanoseconds maxBatchReportLatency;
+ // last sample time in nano seconds
+ std::optional<nsecs_t> lastSampleTimeNs;
+ InputDeviceSensorInfo sensorInfo;
+ // Sensor X, Y, Z data mapping to abs
+ std::array<int32_t, SENSOR_VEC_LEN> dataVec;
+ void resetValue() {
+ this->enabled = false;
+ this->accuracy = InputDeviceSensorAccuracy::ACCURACY_NONE;
+ this->samplingPeriod = std::chrono::nanoseconds(0);
+ this->maxBatchReportLatency = std::chrono::nanoseconds(0);
+ this->lastSampleTimeNs = std::nullopt;
+ }
+ };
+
+ static Axis createAxis(const AxisInfo& AxisInfo, const RawAbsoluteAxisInfo& rawAxisInfo);
+
+ // Axes indexed by raw ABS_* axis index.
+ std::unordered_map<int32_t, Axis> mAxes;
+
+ // hardware timestamp from MSC_TIMESTAMP
+ nsecs_t mHardwareTimestamp;
+ uint32_t mPrevMscTime;
+
+ bool mDeviceEnabled;
+ // Does device support MSC_TIMESTAMP
+ bool mHasHardwareTimestamp;
+
+ // Sensor list
+ std::unordered_map<InputDeviceSensorType, Sensor> mSensors;
+
+ void sync(nsecs_t when, bool force);
+
+ template <typename T>
+ bool tryGetProperty(std::string keyName, T& outValue);
+
+ void parseSensorConfiguration(InputDeviceSensorType sensorType, int32_t absCode,
+ int32_t sensorDataIndex, const Axis& axis);
+
+ void processHardWareTimestamp(nsecs_t evTime, int32_t evValue);
+
+ Sensor createSensor(InputDeviceSensorType sensorType, const Axis& axis);
+
+ bool setSensorEnabled(InputDeviceSensorType sensorType, bool enabled);
+};
+
+} // namespace android
+
+#endif // _UI_INPUTREADER_SENSOR_INPUT_MAPPER_H
\ No newline at end of file
diff --git a/services/inputflinger/tests/InputDispatcher_test.cpp b/services/inputflinger/tests/InputDispatcher_test.cpp
index 5ab2ae3..0b30ff5 100644
--- a/services/inputflinger/tests/InputDispatcher_test.cpp
+++ b/services/inputflinger/tests/InputDispatcher_test.cpp
@@ -19,10 +19,10 @@
#include <android-base/stringprintf.h>
#include <android-base/thread_annotations.h>
#include <binder/Binder.h>
-#include <input/Input.h>
-
#include <gtest/gtest.h>
+#include <input/Input.h>
#include <linux/input.h>
+
#include <cinttypes>
#include <thread>
#include <unordered_set>
@@ -48,6 +48,9 @@
static const int32_t INJECTOR_PID = 999;
static const int32_t INJECTOR_UID = 1001;
+// An arbitrary pid of the gesture monitor window
+static constexpr int32_t MONITOR_PID = 2001;
+
struct PointF {
float x;
float y;
@@ -71,12 +74,10 @@
InputDispatcherConfiguration mConfig;
protected:
- virtual ~FakeInputDispatcherPolicy() {
- }
+ virtual ~FakeInputDispatcherPolicy() {}
public:
- FakeInputDispatcherPolicy() {
- }
+ FakeInputDispatcherPolicy() {}
void assertFilterInputEventWasCalled(const NotifyKeyArgs& args) {
assertFilterInputEventWasCalled(AINPUT_EVENT_TYPE_KEY, args.eventTime, args.action,
@@ -211,6 +212,33 @@
mConfig.keyRepeatDelay = delay;
}
+ void waitForSetPointerCapture(bool enabled) {
+ std::unique_lock lock(mLock);
+ base::ScopedLockAssertion assumeLocked(mLock);
+
+ if (!mPointerCaptureChangedCondition.wait_for(lock, 100ms,
+ [this, enabled]() REQUIRES(mLock) {
+ return mPointerCaptureEnabled &&
+ *mPointerCaptureEnabled ==
+ enabled;
+ })) {
+ FAIL() << "Timed out waiting for setPointerCapture(" << enabled << ") to be called.";
+ }
+ mPointerCaptureEnabled.reset();
+ }
+
+ void assertSetPointerCaptureNotCalled() {
+ std::unique_lock lock(mLock);
+ base::ScopedLockAssertion assumeLocked(mLock);
+
+ if (mPointerCaptureChangedCondition.wait_for(lock, 100ms) != std::cv_status::timeout) {
+ FAIL() << "Expected setPointerCapture(enabled) to not be called, but was called. "
+ "enabled = "
+ << *mPointerCaptureEnabled;
+ }
+ mPointerCaptureEnabled.reset();
+ }
+
private:
std::mutex mLock;
std::unique_ptr<InputEvent> mFilteredEvent GUARDED_BY(mLock);
@@ -218,6 +246,9 @@
sp<IBinder> mOnPointerDownToken GUARDED_BY(mLock);
std::optional<NotifySwitchArgs> mLastNotifySwitch GUARDED_BY(mLock);
+ std::condition_variable mPointerCaptureChangedCondition;
+ std::optional<bool> mPointerCaptureEnabled GUARDED_BY(mLock);
+
// ANR handling
std::queue<std::shared_ptr<InputApplicationHandle>> mAnrApplications GUARDED_BY(mLock);
std::queue<sp<IBinder>> mAnrConnectionTokens GUARDED_BY(mLock);
@@ -254,6 +285,12 @@
void notifyFocusChanged(const sp<IBinder>&, const sp<IBinder>&) override {}
void notifyUntrustedTouch(const std::string& obscuringPackage) override {}
+ void notifySensorEvent(int32_t deviceId, InputDeviceSensorType sensorType,
+ InputDeviceSensorAccuracy accuracy, nsecs_t timestamp,
+ const std::vector<float>& values) override {}
+
+ void notifySensorAccuracy(int deviceId, InputDeviceSensorType sensorType,
+ InputDeviceSensorAccuracy accuracy) override {}
void getDispatcherConfiguration(InputDispatcherConfiguration* outConfig) override {
*outConfig = mConfig;
@@ -307,6 +344,12 @@
mOnPointerDownToken = newToken;
}
+ void setPointerCapture(bool enabled) override {
+ std::scoped_lock lock(mLock);
+ mPointerCaptureEnabled = {enabled};
+ mPointerCaptureChangedCondition.notify_all();
+ }
+
void assertFilterInputEventWasCalled(int type, nsecs_t eventTime, int32_t action,
int32_t displayId) {
std::scoped_lock lock(mLock);
@@ -342,7 +385,7 @@
mFakePolicy = new FakeInputDispatcherPolicy();
mDispatcher = new InputDispatcher(mFakePolicy);
mDispatcher->setInputDispatchMode(/*enabled*/ true, /*frozen*/ false);
- //Start InputDispatcher thread
+ // Start InputDispatcher thread
ASSERT_EQ(OK, mDispatcher->start());
}
@@ -379,7 +422,6 @@
}
};
-
TEST_F(InputDispatcherTest, InjectInputEvent_ValidatesKeyEvents) {
KeyEvent event;
@@ -574,9 +616,7 @@
}
virtual ~FakeApplicationHandle() {}
- virtual bool updateInfo() override {
- return true;
- }
+ virtual bool updateInfo() override { return true; }
void setDispatchingTimeout(std::chrono::milliseconds timeout) {
mInfo.dispatchingTimeoutMillis = timeout.count();
@@ -674,6 +714,9 @@
case AINPUT_EVENT_TYPE_FOCUS: {
FAIL() << "Use 'consumeFocusEvent' for FOCUS events";
}
+ case AINPUT_EVENT_TYPE_CAPTURE: {
+ FAIL() << "Use 'consumeCaptureEvent' for CAPTURE events";
+ }
default: {
FAIL() << mName.c_str() << ": invalid event type: " << expectedEventType;
}
@@ -696,6 +739,21 @@
EXPECT_EQ(inTouchMode, focusEvent->getInTouchMode());
}
+ void consumeCaptureEvent(bool hasCapture) {
+ const InputEvent* event = consume();
+ ASSERT_NE(nullptr, event) << mName.c_str()
+ << ": consumer should have returned non-NULL event.";
+ ASSERT_EQ(AINPUT_EVENT_TYPE_CAPTURE, event->getType())
+ << "Got " << inputEventTypeToString(event->getType())
+ << " event instead of CAPTURE event";
+
+ ASSERT_EQ(ADISPLAY_ID_NONE, event->getDisplayId())
+ << mName.c_str() << ": event displayId should always be NONE.";
+
+ const auto& captureEvent = static_cast<const CaptureEvent&>(*event);
+ EXPECT_EQ(hasCapture, captureEvent.getPointerCaptureEnabled());
+ }
+
void assertNoEvents() {
InputEvent* event = consume();
if (event == nullptr) {
@@ -713,6 +771,10 @@
FocusEvent& focusEvent = static_cast<FocusEvent&>(*event);
ADD_FAILURE() << "Received focus event, hasFocus = "
<< (focusEvent.getHasFocus() ? "true" : "false");
+ } else if (event->getType() == AINPUT_EVENT_TYPE_CAPTURE) {
+ const auto& captureEvent = static_cast<CaptureEvent&>(*event);
+ ADD_FAILURE() << "Received capture event, pointerCaptureEnabled = "
+ << (captureEvent.getPointerCaptureEnabled() ? "true" : "false");
}
FAIL() << mName.c_str()
<< ": should not have received any events, so consume() should return NULL";
@@ -810,39 +872,40 @@
}
void consumeMotionCancel(int32_t expectedDisplayId = ADISPLAY_ID_DEFAULT,
- int32_t expectedFlags = 0) {
+ int32_t expectedFlags = 0) {
consumeEvent(AINPUT_EVENT_TYPE_MOTION, AMOTION_EVENT_ACTION_CANCEL, expectedDisplayId,
expectedFlags);
}
void consumeMotionMove(int32_t expectedDisplayId = ADISPLAY_ID_DEFAULT,
- int32_t expectedFlags = 0) {
+ int32_t expectedFlags = 0) {
consumeEvent(AINPUT_EVENT_TYPE_MOTION, AMOTION_EVENT_ACTION_MOVE, expectedDisplayId,
expectedFlags);
}
void consumeMotionDown(int32_t expectedDisplayId = ADISPLAY_ID_DEFAULT,
- int32_t expectedFlags = 0) {
+ int32_t expectedFlags = 0) {
consumeEvent(AINPUT_EVENT_TYPE_MOTION, AMOTION_EVENT_ACTION_DOWN, expectedDisplayId,
expectedFlags);
}
void consumeMotionPointerDown(int32_t pointerIdx,
- int32_t expectedDisplayId = ADISPLAY_ID_DEFAULT, int32_t expectedFlags = 0) {
- int32_t action = AMOTION_EVENT_ACTION_POINTER_DOWN
- | (pointerIdx << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
+ int32_t expectedDisplayId = ADISPLAY_ID_DEFAULT,
+ int32_t expectedFlags = 0) {
+ int32_t action = AMOTION_EVENT_ACTION_POINTER_DOWN |
+ (pointerIdx << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
consumeEvent(AINPUT_EVENT_TYPE_MOTION, action, expectedDisplayId, expectedFlags);
}
void consumeMotionPointerUp(int32_t pointerIdx, int32_t expectedDisplayId = ADISPLAY_ID_DEFAULT,
- int32_t expectedFlags = 0) {
- int32_t action = AMOTION_EVENT_ACTION_POINTER_UP
- | (pointerIdx << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
+ int32_t expectedFlags = 0) {
+ int32_t action = AMOTION_EVENT_ACTION_POINTER_UP |
+ (pointerIdx << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
consumeEvent(AINPUT_EVENT_TYPE_MOTION, action, expectedDisplayId, expectedFlags);
}
void consumeMotionUp(int32_t expectedDisplayId = ADISPLAY_ID_DEFAULT,
- int32_t expectedFlags = 0) {
+ int32_t expectedFlags = 0) {
consumeEvent(AINPUT_EVENT_TYPE_MOTION, AMOTION_EVENT_ACTION_UP, expectedDisplayId,
expectedFlags);
}
@@ -859,6 +922,12 @@
mInputReceiver->consumeFocusEvent(hasFocus, inTouchMode);
}
+ void consumeCaptureEvent(bool hasCapture) {
+ ASSERT_NE(mInputReceiver, nullptr)
+ << "Cannot consume events from a window with no receiver";
+ mInputReceiver->consumeCaptureEvent(hasCapture);
+ }
+
void consumeEvent(int32_t expectedEventType, int32_t expectedAction, int32_t expectedDisplayId,
int32_t expectedFlags) {
ASSERT_NE(mInputReceiver, nullptr) << "Invalid consume event on window with no receiver";
@@ -900,6 +969,11 @@
const std::string& getName() { return mName; }
+ void setOwnerInfo(int32_t ownerPid, int32_t ownerUid) {
+ mInfo.ownerPid = ownerPid;
+ mInfo.ownerUid = ownerUid;
+ }
+
private:
const std::string mName;
std::unique_ptr<FakeInputReceiver> mInputReceiver;
@@ -1138,10 +1212,14 @@
return generateMotionArgs(action, source, displayId, {PointF{100, 200}});
}
+static NotifyPointerCaptureChangedArgs generatePointerCaptureChangedArgs(bool enabled) {
+ return NotifyPointerCaptureChangedArgs(/* id */ 0, systemTime(SYSTEM_TIME_MONOTONIC), enabled);
+}
+
TEST_F(InputDispatcherTest, SetInputWindow_SingleWindowTouch) {
std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
- sp<FakeWindowHandle> window = new FakeWindowHandle(application, mDispatcher, "Fake Window",
- ADISPLAY_ID_DEFAULT);
+ sp<FakeWindowHandle> window =
+ new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
@@ -1204,10 +1282,10 @@
// The foreground window should receive the first touch down event.
TEST_F(InputDispatcherTest, SetInputWindow_MultiWindowsTouch) {
std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
- sp<FakeWindowHandle> windowTop = new FakeWindowHandle(application, mDispatcher, "Top",
- ADISPLAY_ID_DEFAULT);
- sp<FakeWindowHandle> windowSecond = new FakeWindowHandle(application, mDispatcher, "Second",
- ADISPLAY_ID_DEFAULT);
+ sp<FakeWindowHandle> windowTop =
+ new FakeWindowHandle(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
+ sp<FakeWindowHandle> windowSecond =
+ new FakeWindowHandle(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {windowTop, windowSecond}}});
ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
@@ -1488,17 +1566,18 @@
std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
// Create a couple of windows
- sp<FakeWindowHandle> firstWindow = new FakeWindowHandle(application, mDispatcher,
- "First Window", ADISPLAY_ID_DEFAULT);
- sp<FakeWindowHandle> secondWindow = new FakeWindowHandle(application, mDispatcher,
- "Second Window", ADISPLAY_ID_DEFAULT);
+ sp<FakeWindowHandle> firstWindow =
+ new FakeWindowHandle(application, mDispatcher, "First Window", ADISPLAY_ID_DEFAULT);
+ sp<FakeWindowHandle> secondWindow =
+ new FakeWindowHandle(application, mDispatcher, "Second Window", ADISPLAY_ID_DEFAULT);
// Add the windows to the dispatcher
mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {firstWindow, secondWindow}}});
// Send down to the first window
- NotifyMotionArgs downMotionArgs = generateMotionArgs(AMOTION_EVENT_ACTION_DOWN,
- AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT);
+ NotifyMotionArgs downMotionArgs =
+ generateMotionArgs(AMOTION_EVENT_ACTION_DOWN, AINPUT_SOURCE_TOUCHSCREEN,
+ ADISPLAY_ID_DEFAULT);
mDispatcher->notifyMotion(&downMotionArgs);
// Only the first window should get the down event
firstWindow->consumeMotionDown();
@@ -1511,8 +1590,9 @@
secondWindow->consumeMotionDown();
// Send up event to the second window
- NotifyMotionArgs upMotionArgs = generateMotionArgs(AMOTION_EVENT_ACTION_UP,
- AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT);
+ NotifyMotionArgs upMotionArgs =
+ generateMotionArgs(AMOTION_EVENT_ACTION_UP, AINPUT_SOURCE_TOUCHSCREEN,
+ ADISPLAY_ID_DEFAULT);
mDispatcher->notifyMotion(&upMotionArgs);
// The first window gets no events and the second gets up
firstWindow->assertNoEvents();
@@ -1525,26 +1605,29 @@
PointF touchPoint = {10, 10};
// Create a couple of windows
- sp<FakeWindowHandle> firstWindow = new FakeWindowHandle(application, mDispatcher,
- "First Window", ADISPLAY_ID_DEFAULT);
- sp<FakeWindowHandle> secondWindow = new FakeWindowHandle(application, mDispatcher,
- "Second Window", ADISPLAY_ID_DEFAULT);
+ sp<FakeWindowHandle> firstWindow =
+ new FakeWindowHandle(application, mDispatcher, "First Window", ADISPLAY_ID_DEFAULT);
+ sp<FakeWindowHandle> secondWindow =
+ new FakeWindowHandle(application, mDispatcher, "Second Window", ADISPLAY_ID_DEFAULT);
// Add the windows to the dispatcher
mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {firstWindow, secondWindow}}});
// Send down to the first window
- NotifyMotionArgs downMotionArgs = generateMotionArgs(AMOTION_EVENT_ACTION_DOWN,
- AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT, {touchPoint});
+ NotifyMotionArgs downMotionArgs =
+ generateMotionArgs(AMOTION_EVENT_ACTION_DOWN, AINPUT_SOURCE_TOUCHSCREEN,
+ ADISPLAY_ID_DEFAULT, {touchPoint});
mDispatcher->notifyMotion(&downMotionArgs);
// Only the first window should get the down event
firstWindow->consumeMotionDown();
secondWindow->assertNoEvents();
// Send pointer down to the first window
- NotifyMotionArgs pointerDownMotionArgs = generateMotionArgs(AMOTION_EVENT_ACTION_POINTER_DOWN
- | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
- AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT, {touchPoint, touchPoint});
+ NotifyMotionArgs pointerDownMotionArgs =
+ generateMotionArgs(AMOTION_EVENT_ACTION_POINTER_DOWN |
+ (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+ AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT,
+ {touchPoint, touchPoint});
mDispatcher->notifyMotion(&pointerDownMotionArgs);
// Only the first window should get the pointer down event
firstWindow->consumeMotionPointerDown(1);
@@ -1558,17 +1641,20 @@
secondWindow->consumeMotionPointerDown(1);
// Send pointer up to the second window
- NotifyMotionArgs pointerUpMotionArgs = generateMotionArgs(AMOTION_EVENT_ACTION_POINTER_UP
- | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
- AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT, {touchPoint, touchPoint});
+ NotifyMotionArgs pointerUpMotionArgs =
+ generateMotionArgs(AMOTION_EVENT_ACTION_POINTER_UP |
+ (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+ AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT,
+ {touchPoint, touchPoint});
mDispatcher->notifyMotion(&pointerUpMotionArgs);
// The first window gets nothing and the second gets pointer up
firstWindow->assertNoEvents();
secondWindow->consumeMotionPointerUp(1);
// Send up event to the second window
- NotifyMotionArgs upMotionArgs = generateMotionArgs(AMOTION_EVENT_ACTION_UP,
- AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT);
+ NotifyMotionArgs upMotionArgs =
+ generateMotionArgs(AMOTION_EVENT_ACTION_UP, AINPUT_SOURCE_TOUCHSCREEN,
+ ADISPLAY_ID_DEFAULT);
mDispatcher->notifyMotion(&upMotionArgs);
// The first window gets nothing and the second gets up
firstWindow->assertNoEvents();
@@ -1579,15 +1665,15 @@
std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
// Create a non touch modal window that supports split touch
- sp<FakeWindowHandle> firstWindow = new FakeWindowHandle(application, mDispatcher,
- "First Window", ADISPLAY_ID_DEFAULT);
+ sp<FakeWindowHandle> firstWindow =
+ new FakeWindowHandle(application, mDispatcher, "First Window", ADISPLAY_ID_DEFAULT);
firstWindow->setFrame(Rect(0, 0, 600, 400));
firstWindow->setFlags(InputWindowInfo::Flag::NOT_TOUCH_MODAL |
InputWindowInfo::Flag::SPLIT_TOUCH);
// Create a non touch modal window that supports split touch
- sp<FakeWindowHandle> secondWindow = new FakeWindowHandle(application, mDispatcher,
- "Second Window", ADISPLAY_ID_DEFAULT);
+ sp<FakeWindowHandle> secondWindow =
+ new FakeWindowHandle(application, mDispatcher, "Second Window", ADISPLAY_ID_DEFAULT);
secondWindow->setFrame(Rect(0, 400, 600, 800));
secondWindow->setFlags(InputWindowInfo::Flag::NOT_TOUCH_MODAL |
InputWindowInfo::Flag::SPLIT_TOUCH);
@@ -1599,17 +1685,20 @@
PointF pointInSecond = {300, 600};
// Send down to the first window
- NotifyMotionArgs firstDownMotionArgs = generateMotionArgs(AMOTION_EVENT_ACTION_DOWN,
- AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT, {pointInFirst});
+ NotifyMotionArgs firstDownMotionArgs =
+ generateMotionArgs(AMOTION_EVENT_ACTION_DOWN, AINPUT_SOURCE_TOUCHSCREEN,
+ ADISPLAY_ID_DEFAULT, {pointInFirst});
mDispatcher->notifyMotion(&firstDownMotionArgs);
// Only the first window should get the down event
firstWindow->consumeMotionDown();
secondWindow->assertNoEvents();
// Send down to the second window
- NotifyMotionArgs secondDownMotionArgs = generateMotionArgs(AMOTION_EVENT_ACTION_POINTER_DOWN
- | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
- AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT, {pointInFirst, pointInSecond});
+ NotifyMotionArgs secondDownMotionArgs =
+ generateMotionArgs(AMOTION_EVENT_ACTION_POINTER_DOWN |
+ (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+ AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT,
+ {pointInFirst, pointInSecond});
mDispatcher->notifyMotion(&secondDownMotionArgs);
// The first window gets a move and the second a down
firstWindow->consumeMotionMove();
@@ -1622,17 +1711,20 @@
secondWindow->consumeMotionPointerDown(1);
// Send pointer up to the second window
- NotifyMotionArgs pointerUpMotionArgs = generateMotionArgs(AMOTION_EVENT_ACTION_POINTER_UP
- | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
- AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT, {pointInFirst, pointInSecond});
+ NotifyMotionArgs pointerUpMotionArgs =
+ generateMotionArgs(AMOTION_EVENT_ACTION_POINTER_UP |
+ (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+ AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT,
+ {pointInFirst, pointInSecond});
mDispatcher->notifyMotion(&pointerUpMotionArgs);
// The first window gets nothing and the second gets pointer up
firstWindow->assertNoEvents();
secondWindow->consumeMotionPointerUp(1);
// Send up event to the second window
- NotifyMotionArgs upMotionArgs = generateMotionArgs(AMOTION_EVENT_ACTION_UP,
- AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT);
+ NotifyMotionArgs upMotionArgs =
+ generateMotionArgs(AMOTION_EVENT_ACTION_UP, AINPUT_SOURCE_TOUCHSCREEN,
+ ADISPLAY_ID_DEFAULT);
mDispatcher->notifyMotion(&upMotionArgs);
// The first window gets nothing and the second gets up
firstWindow->assertNoEvents();
@@ -1698,7 +1790,7 @@
FakeMonitorReceiver(const sp<InputDispatcher>& dispatcher, const std::string name,
int32_t displayId, bool isGestureMonitor = false) {
base::Result<std::unique_ptr<InputChannel>> channel =
- dispatcher->createInputMonitor(displayId, isGestureMonitor, name);
+ dispatcher->createInputMonitor(displayId, isGestureMonitor, name, MONITOR_PID);
mInputReceiver = std::make_unique<FakeInputReceiver>(std::move(*channel), name);
}
@@ -2161,6 +2253,72 @@
window->consumeKeyDown(ADISPLAY_ID_DEFAULT);
}
+/**
+ * Launch two windows, with different owners. One window (slipperyExitWindow) has Flag::SLIPPERY,
+ * and overlaps the other window, slipperyEnterWindow. The window 'slipperyExitWindow' is on top
+ * of the 'slipperyEnterWindow'.
+ *
+ * Inject touch down into the top window. Upon receipt of the DOWN event, move the window in such
+ * a way so that the touched location is no longer covered by the top window.
+ *
+ * Next, inject a MOVE event. Because the top window already moved earlier, this event is now
+ * positioned over the bottom (slipperyEnterWindow) only. And because the top window had
+ * Flag::SLIPPERY, this will cause the top window to lose the touch event (it will receive
+ * ACTION_CANCEL instead), and the bottom window will receive a newly generated gesture (starting
+ * with ACTION_DOWN).
+ * Thus, the touch has been transferred from the top window into the bottom window, because the top
+ * window moved itself away from the touched location and had Flag::SLIPPERY.
+ *
+ * Even though the top window moved away from the touched location, it is still obscuring the bottom
+ * window. It's just not obscuring it at the touched location. That means, FLAG_WINDOW_IS_PARTIALLY_
+ * OBSCURED should be set for the MotionEvent that reaches the bottom window.
+ *
+ * In this test, we ensure that the event received by the bottom window has
+ * FLAG_WINDOW_IS_PARTIALLY_OBSCURED.
+ */
+TEST_F(InputDispatcherTest, SlipperyWindow_SetsFlagPartiallyObscured) {
+ constexpr int32_t SLIPPERY_PID = INJECTOR_PID + 1;
+ constexpr int32_t SLIPPERY_UID = INJECTOR_UID + 1;
+
+ std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
+ mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
+
+ sp<FakeWindowHandle> slipperyExitWindow =
+ new FakeWindowHandle(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
+ slipperyExitWindow->setFlags(InputWindowInfo::Flag::NOT_TOUCH_MODAL |
+ InputWindowInfo::Flag::SLIPPERY);
+ // Make sure this one overlaps the bottom window
+ slipperyExitWindow->setFrame(Rect(25, 25, 75, 75));
+ // Change the owner uid/pid of the window so that it is considered to be occluding the bottom
+ // one. Windows with the same owner are not considered to be occluding each other.
+ slipperyExitWindow->setOwnerInfo(SLIPPERY_PID, SLIPPERY_UID);
+
+ sp<FakeWindowHandle> slipperyEnterWindow =
+ new FakeWindowHandle(application, mDispatcher, "Second", ADISPLAY_ID_DEFAULT);
+ slipperyExitWindow->setFrame(Rect(0, 0, 100, 100));
+
+ mDispatcher->setInputWindows(
+ {{ADISPLAY_ID_DEFAULT, {slipperyExitWindow, slipperyEnterWindow}}});
+
+ // Use notifyMotion instead of injecting to avoid dealing with injection permissions
+ NotifyMotionArgs args = generateMotionArgs(AMOTION_EVENT_ACTION_DOWN, AINPUT_SOURCE_TOUCHSCREEN,
+ ADISPLAY_ID_DEFAULT, {{50, 50}});
+ mDispatcher->notifyMotion(&args);
+ slipperyExitWindow->consumeMotionDown();
+ slipperyExitWindow->setFrame(Rect(70, 70, 100, 100));
+ mDispatcher->setInputWindows(
+ {{ADISPLAY_ID_DEFAULT, {slipperyExitWindow, slipperyEnterWindow}}});
+
+ args = generateMotionArgs(AMOTION_EVENT_ACTION_MOVE, AINPUT_SOURCE_TOUCHSCREEN,
+ ADISPLAY_ID_DEFAULT, {{51, 51}});
+ mDispatcher->notifyMotion(&args);
+
+ slipperyExitWindow->consumeMotionCancel();
+
+ slipperyEnterWindow->consumeMotionDown(ADISPLAY_ID_DEFAULT,
+ AMOTION_EVENT_FLAG_WINDOW_IS_PARTIALLY_OBSCURED);
+}
+
class InputDispatcherKeyRepeatTest : public InputDispatcherTest {
protected:
static constexpr nsecs_t KEY_REPEAT_TIMEOUT = 40 * 1000000; // 40 ms
@@ -2308,8 +2466,8 @@
InputDispatcherTest::SetUp();
application1 = std::make_shared<FakeApplicationHandle>();
- windowInPrimary = new FakeWindowHandle(application1, mDispatcher, "D_1",
- ADISPLAY_ID_DEFAULT);
+ windowInPrimary =
+ new FakeWindowHandle(application1, mDispatcher, "D_1", ADISPLAY_ID_DEFAULT);
// Set focus window for primary display, but focused display would be second one.
mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application1);
@@ -2319,8 +2477,8 @@
windowInPrimary->consumeFocusEvent(true);
application2 = std::make_shared<FakeApplicationHandle>();
- windowInSecondary = new FakeWindowHandle(application2, mDispatcher, "D_2",
- SECOND_DISPLAY_ID);
+ windowInSecondary =
+ new FakeWindowHandle(application2, mDispatcher, "D_2", SECOND_DISPLAY_ID);
// Set focus to second display window.
// Set focus display to second one.
mDispatcher->setFocusedDisplay(SECOND_DISPLAY_ID);
@@ -2431,7 +2589,7 @@
// Test per-display input monitors for key event.
TEST_F(InputDispatcherFocusOnTwoDisplaysTest, MonitorKeyEvent_MultiDisplay) {
- //Input monitor per display.
+ // Input monitor per display.
FakeMonitorReceiver monitorInPrimary =
FakeMonitorReceiver(mDispatcher, "M_1", ADISPLAY_ID_DEFAULT);
FakeMonitorReceiver monitorInSecondary =
@@ -2470,11 +2628,11 @@
void testNotifyMotion(int32_t displayId, bool expectToBeFiltered) {
NotifyMotionArgs motionArgs;
- motionArgs = generateMotionArgs(
- AMOTION_EVENT_ACTION_DOWN, AINPUT_SOURCE_TOUCHSCREEN, displayId);
+ motionArgs =
+ generateMotionArgs(AMOTION_EVENT_ACTION_DOWN, AINPUT_SOURCE_TOUCHSCREEN, displayId);
mDispatcher->notifyMotion(&motionArgs);
- motionArgs = generateMotionArgs(
- AMOTION_EVENT_ACTION_UP, AINPUT_SOURCE_TOUCHSCREEN, displayId);
+ motionArgs =
+ generateMotionArgs(AMOTION_EVENT_ACTION_UP, AINPUT_SOURCE_TOUCHSCREEN, displayId);
mDispatcher->notifyMotion(&motionArgs);
ASSERT_TRUE(mDispatcher->waitForIdle());
if (expectToBeFiltered) {
@@ -2542,8 +2700,8 @@
std::shared_ptr<FakeApplicationHandle> application =
std::make_shared<FakeApplicationHandle>();
- mUnfocusedWindow = new FakeWindowHandle(application, mDispatcher, "Top",
- ADISPLAY_ID_DEFAULT);
+ mUnfocusedWindow =
+ new FakeWindowHandle(application, mDispatcher, "Top", ADISPLAY_ID_DEFAULT);
mUnfocusedWindow->setFrame(Rect(0, 0, 30, 30));
// Adding FLAG_NOT_TOUCH_MODAL to ensure taps outside this window are not sent to this
// window.
@@ -2618,8 +2776,7 @@
// Have two windows, one with focus. Inject MotionEvent with source TOUCHSCREEN and action
// DOWN on the window that already has focus. Ensure no window received the
// onPointerDownOutsideFocus callback.
-TEST_F(InputDispatcherOnPointerDownOutsideFocus,
- OnPointerDownOutsideFocus_OnAlreadyFocusedWindow) {
+TEST_F(InputDispatcherOnPointerDownOutsideFocus, OnPointerDownOutsideFocus_OnAlreadyFocusedWindow) {
ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
injectMotionDown(mDispatcher, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT,
FOCUSED_WINDOW_TOUCH_POINT))
@@ -3824,4 +3981,88 @@
// window gets the pending key event
mWindow->consumeKeyDown(ADISPLAY_ID_DEFAULT);
}
+
+class InputDispatcherPointerCaptureTests : public InputDispatcherTest {
+protected:
+ std::shared_ptr<FakeApplicationHandle> mApp;
+ sp<FakeWindowHandle> mWindow;
+ sp<FakeWindowHandle> mSecondWindow;
+
+ void SetUp() override {
+ InputDispatcherTest::SetUp();
+ mApp = std::make_shared<FakeApplicationHandle>();
+ mWindow = new FakeWindowHandle(mApp, mDispatcher, "TestWindow", ADISPLAY_ID_DEFAULT);
+ mWindow->setFocusable(true);
+ mSecondWindow = new FakeWindowHandle(mApp, mDispatcher, "TestWindow2", ADISPLAY_ID_DEFAULT);
+ mSecondWindow->setFocusable(true);
+
+ mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, mApp);
+ mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {mWindow, mSecondWindow}}});
+
+ setFocusedWindow(mWindow);
+ mWindow->consumeFocusEvent(true);
+ }
+
+ void notifyPointerCaptureChanged(bool enabled) {
+ const NotifyPointerCaptureChangedArgs args = generatePointerCaptureChangedArgs(enabled);
+ mDispatcher->notifyPointerCaptureChanged(&args);
+ }
+
+ void requestAndVerifyPointerCapture(const sp<FakeWindowHandle>& window, bool enabled) {
+ mDispatcher->requestPointerCapture(window->getToken(), enabled);
+ mFakePolicy->waitForSetPointerCapture(enabled);
+ notifyPointerCaptureChanged(enabled);
+ window->consumeCaptureEvent(enabled);
+ }
+};
+
+TEST_F(InputDispatcherPointerCaptureTests, EnablePointerCaptureWhenFocused) {
+ // Ensure that capture cannot be obtained for unfocused windows.
+ mDispatcher->requestPointerCapture(mSecondWindow->getToken(), true);
+ mFakePolicy->assertSetPointerCaptureNotCalled();
+ mSecondWindow->assertNoEvents();
+
+ // Ensure that capture can be enabled from the focus window.
+ requestAndVerifyPointerCapture(mWindow, true);
+
+ // Ensure that capture cannot be disabled from a window that does not have capture.
+ mDispatcher->requestPointerCapture(mSecondWindow->getToken(), false);
+ mFakePolicy->assertSetPointerCaptureNotCalled();
+
+ // Ensure that capture can be disabled from the window with capture.
+ requestAndVerifyPointerCapture(mWindow, false);
+}
+
+TEST_F(InputDispatcherPointerCaptureTests, DisablesPointerCaptureAfterWindowLosesFocus) {
+ requestAndVerifyPointerCapture(mWindow, true);
+
+ setFocusedWindow(mSecondWindow);
+
+ // Ensure that the capture disabled event was sent first.
+ mWindow->consumeCaptureEvent(false);
+ mWindow->consumeFocusEvent(false);
+ mSecondWindow->consumeFocusEvent(true);
+ mFakePolicy->waitForSetPointerCapture(false);
+
+ // Ensure that additional state changes from InputReader are not sent to the window.
+ notifyPointerCaptureChanged(false);
+ notifyPointerCaptureChanged(true);
+ notifyPointerCaptureChanged(false);
+ mWindow->assertNoEvents();
+ mSecondWindow->assertNoEvents();
+ mFakePolicy->assertSetPointerCaptureNotCalled();
+}
+
+TEST_F(InputDispatcherPointerCaptureTests, UnexpectedStateChangeDisablesPointerCapture) {
+ requestAndVerifyPointerCapture(mWindow, true);
+
+ // InputReader unexpectedly disables and enables pointer capture.
+ notifyPointerCaptureChanged(false);
+ notifyPointerCaptureChanged(true);
+
+ // Ensure that Pointer Capture is disabled.
+ mWindow->consumeCaptureEvent(false);
+ mWindow->assertNoEvents();
+}
+
} // namespace android::inputdispatcher
diff --git a/services/inputflinger/tests/InputReader_test.cpp b/services/inputflinger/tests/InputReader_test.cpp
index bff1a04..23f3026 100644
--- a/services/inputflinger/tests/InputReader_test.cpp
+++ b/services/inputflinger/tests/InputReader_test.cpp
@@ -22,6 +22,7 @@
#include <InputReaderFactory.h>
#include <KeyboardInputMapper.h>
#include <MultiTouchInputMapper.h>
+#include <SensorInputMapper.h>
#include <SingleTouchInputMapper.h>
#include <SwitchInputMapper.h>
#include <TestInputListener.h>
@@ -364,6 +365,11 @@
uint32_t flags;
};
+ struct SensorInfo {
+ InputDeviceSensorType sensorType;
+ int32_t sensorDataIndex;
+ };
+
struct Device {
InputDeviceIdentifier identifier;
Flags<InputDeviceClass> classes;
@@ -377,6 +383,8 @@
KeyedVector<int32_t, KeyInfo> keysByScanCode;
KeyedVector<int32_t, KeyInfo> keysByUsageCode;
KeyedVector<int32_t, bool> leds;
+ std::unordered_map<int32_t, SensorInfo> sensorsByAbsCode;
+ BitArray<MSC_MAX> mscBitmask;
std::vector<VirtualKeyDefinition> virtualKeys;
bool enabled;
@@ -535,6 +543,22 @@
device->leds.add(led, initialState);
}
+ void addSensorAxis(int32_t deviceId, int32_t absCode, InputDeviceSensorType sensorType,
+ int32_t sensorDataIndex) {
+ Device* device = getDevice(deviceId);
+ SensorInfo info;
+ info.sensorType = sensorType;
+ info.sensorDataIndex = sensorDataIndex;
+ device->sensorsByAbsCode.emplace(absCode, info);
+ }
+
+ void setMscEvent(int32_t deviceId, int32_t mscEvent) {
+ Device* device = getDevice(deviceId);
+ typename BitArray<MSC_MAX>::Buffer buffer;
+ buffer[mscEvent / 32] = 1 << mscEvent % 32;
+ device->mscBitmask.loadFromBuffer(buffer);
+ }
+
bool getLedState(int32_t deviceId, int32_t led) {
Device* device = getDevice(deviceId);
return device->leds.valueFor(led);
@@ -630,6 +654,14 @@
bool hasInputProperty(int32_t, int) const override { return false; }
+ bool hasMscEvent(int32_t deviceId, int mscEvent) const override final {
+ Device* device = getDevice(deviceId);
+ if (device) {
+ return mscEvent >= 0 && mscEvent <= MSC_MAX ? device->mscBitmask.test(mscEvent) : false;
+ }
+ return false;
+ }
+
status_t mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode, int32_t metaState,
int32_t* outKeycode, int32_t* outMetaState, uint32_t* outFlags) const override {
Device* device = getDevice(deviceId);
@@ -669,6 +701,20 @@
status_t mapAxis(int32_t, int32_t, AxisInfo*) const override { return NAME_NOT_FOUND; }
+ base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(int32_t deviceId,
+ int32_t absCode) {
+ Device* device = getDevice(deviceId);
+ if (!device) {
+ return Errorf("Sensor device not found.");
+ }
+ auto it = device->sensorsByAbsCode.find(absCode);
+ if (it == device->sensorsByAbsCode.end()) {
+ return Errorf("Sensor map not found.");
+ }
+ const SensorInfo& info = it->second;
+ return std::make_pair(info.sensorType, info.sensorDataIndex);
+ }
+
void setExcludedDevices(const std::vector<std::string>& devices) override {
mExcludedDevices = devices;
}
@@ -2574,6 +2620,157 @@
ASSERT_TRUE(mapper.isVibrating());
}
+// --- SensorInputMapperTest ---
+
+class SensorInputMapperTest : public InputMapperTest {
+protected:
+ static const int32_t ACCEL_RAW_MIN;
+ static const int32_t ACCEL_RAW_MAX;
+ static const int32_t ACCEL_RAW_FUZZ;
+ static const int32_t ACCEL_RAW_FLAT;
+ static const int32_t ACCEL_RAW_RESOLUTION;
+
+ static const int32_t GYRO_RAW_MIN;
+ static const int32_t GYRO_RAW_MAX;
+ static const int32_t GYRO_RAW_FUZZ;
+ static const int32_t GYRO_RAW_FLAT;
+ static const int32_t GYRO_RAW_RESOLUTION;
+
+ static const float GRAVITY_MS2_UNIT;
+ static const float DEGREE_RADIAN_UNIT;
+
+ void prepareAccelAxes();
+ void prepareGyroAxes();
+ void setAccelProperties();
+ void setGyroProperties();
+ void SetUp() override { InputMapperTest::SetUp(DEVICE_CLASSES | InputDeviceClass::SENSOR); }
+};
+
+const int32_t SensorInputMapperTest::ACCEL_RAW_MIN = -32768;
+const int32_t SensorInputMapperTest::ACCEL_RAW_MAX = 32768;
+const int32_t SensorInputMapperTest::ACCEL_RAW_FUZZ = 16;
+const int32_t SensorInputMapperTest::ACCEL_RAW_FLAT = 0;
+const int32_t SensorInputMapperTest::ACCEL_RAW_RESOLUTION = 8192;
+
+const int32_t SensorInputMapperTest::GYRO_RAW_MIN = -2097152;
+const int32_t SensorInputMapperTest::GYRO_RAW_MAX = 2097152;
+const int32_t SensorInputMapperTest::GYRO_RAW_FUZZ = 16;
+const int32_t SensorInputMapperTest::GYRO_RAW_FLAT = 0;
+const int32_t SensorInputMapperTest::GYRO_RAW_RESOLUTION = 1024;
+
+const float SensorInputMapperTest::GRAVITY_MS2_UNIT = 9.80665f;
+const float SensorInputMapperTest::DEGREE_RADIAN_UNIT = 0.0174533f;
+
+void SensorInputMapperTest::prepareAccelAxes() {
+ mFakeEventHub->addAbsoluteAxis(EVENTHUB_ID, ABS_X, ACCEL_RAW_MIN, ACCEL_RAW_MAX, ACCEL_RAW_FUZZ,
+ ACCEL_RAW_FLAT, ACCEL_RAW_RESOLUTION);
+ mFakeEventHub->addAbsoluteAxis(EVENTHUB_ID, ABS_Y, ACCEL_RAW_MIN, ACCEL_RAW_MAX, ACCEL_RAW_FUZZ,
+ ACCEL_RAW_FLAT, ACCEL_RAW_RESOLUTION);
+ mFakeEventHub->addAbsoluteAxis(EVENTHUB_ID, ABS_Z, ACCEL_RAW_MIN, ACCEL_RAW_MAX, ACCEL_RAW_FUZZ,
+ ACCEL_RAW_FLAT, ACCEL_RAW_RESOLUTION);
+}
+
+void SensorInputMapperTest::prepareGyroAxes() {
+ mFakeEventHub->addAbsoluteAxis(EVENTHUB_ID, ABS_RX, GYRO_RAW_MIN, GYRO_RAW_MAX, GYRO_RAW_FUZZ,
+ GYRO_RAW_FLAT, GYRO_RAW_RESOLUTION);
+ mFakeEventHub->addAbsoluteAxis(EVENTHUB_ID, ABS_RY, GYRO_RAW_MIN, GYRO_RAW_MAX, GYRO_RAW_FUZZ,
+ GYRO_RAW_FLAT, GYRO_RAW_RESOLUTION);
+ mFakeEventHub->addAbsoluteAxis(EVENTHUB_ID, ABS_RZ, GYRO_RAW_MIN, GYRO_RAW_MAX, GYRO_RAW_FUZZ,
+ GYRO_RAW_FLAT, GYRO_RAW_RESOLUTION);
+}
+
+void SensorInputMapperTest::setAccelProperties() {
+ mFakeEventHub->addSensorAxis(EVENTHUB_ID, /* absCode */ 0, InputDeviceSensorType::ACCELEROMETER,
+ /* sensorDataIndex */ 0);
+ mFakeEventHub->addSensorAxis(EVENTHUB_ID, /* absCode */ 1, InputDeviceSensorType::ACCELEROMETER,
+ /* sensorDataIndex */ 1);
+ mFakeEventHub->addSensorAxis(EVENTHUB_ID, /* absCode */ 2, InputDeviceSensorType::ACCELEROMETER,
+ /* sensorDataIndex */ 2);
+ mFakeEventHub->setMscEvent(EVENTHUB_ID, MSC_TIMESTAMP);
+ addConfigurationProperty("sensor.accelerometer.reportingMode", "0");
+ addConfigurationProperty("sensor.accelerometer.maxDelay", "100000");
+ addConfigurationProperty("sensor.accelerometer.minDelay", "5000");
+ addConfigurationProperty("sensor.accelerometer.power", "1.5");
+}
+
+void SensorInputMapperTest::setGyroProperties() {
+ mFakeEventHub->addSensorAxis(EVENTHUB_ID, /* absCode */ 3, InputDeviceSensorType::GYROSCOPE,
+ /* sensorDataIndex */ 0);
+ mFakeEventHub->addSensorAxis(EVENTHUB_ID, /* absCode */ 4, InputDeviceSensorType::GYROSCOPE,
+ /* sensorDataIndex */ 1);
+ mFakeEventHub->addSensorAxis(EVENTHUB_ID, /* absCode */ 5, InputDeviceSensorType::GYROSCOPE,
+ /* sensorDataIndex */ 2);
+ mFakeEventHub->setMscEvent(EVENTHUB_ID, MSC_TIMESTAMP);
+ addConfigurationProperty("sensor.gyroscope.reportingMode", "0");
+ addConfigurationProperty("sensor.gyroscope.maxDelay", "100000");
+ addConfigurationProperty("sensor.gyroscope.minDelay", "5000");
+ addConfigurationProperty("sensor.gyroscope.power", "0.8");
+}
+
+TEST_F(SensorInputMapperTest, GetSources) {
+ SensorInputMapper& mapper = addMapperAndConfigure<SensorInputMapper>();
+
+ ASSERT_EQ(static_cast<uint32_t>(AINPUT_SOURCE_SENSOR), mapper.getSources());
+}
+
+TEST_F(SensorInputMapperTest, ProcessAccelerometerSensor) {
+ setAccelProperties();
+ prepareAccelAxes();
+ SensorInputMapper& mapper = addMapperAndConfigure<SensorInputMapper>();
+
+ ASSERT_TRUE(mapper.enableSensor(InputDeviceSensorType::ACCELEROMETER,
+ std::chrono::microseconds(10000),
+ std::chrono::microseconds(0)));
+ process(mapper, ARBITRARY_TIME, EV_ABS, ABS_X, 20000);
+ process(mapper, ARBITRARY_TIME, EV_ABS, ABS_Y, -20000);
+ process(mapper, ARBITRARY_TIME, EV_ABS, ABS_Z, 40000);
+ process(mapper, ARBITRARY_TIME, EV_MSC, MSC_TIMESTAMP, 1000);
+ process(mapper, ARBITRARY_TIME, EV_SYN, SYN_REPORT, 0);
+
+ NotifySensorArgs args;
+ std::vector<float> values = {20000.0f / ACCEL_RAW_RESOLUTION * GRAVITY_MS2_UNIT,
+ -20000.0f / ACCEL_RAW_RESOLUTION * GRAVITY_MS2_UNIT,
+ 40000.0f / ACCEL_RAW_RESOLUTION * GRAVITY_MS2_UNIT};
+
+ ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifySensorWasCalled(&args));
+ ASSERT_EQ(args.source, AINPUT_SOURCE_SENSOR);
+ ASSERT_EQ(args.deviceId, DEVICE_ID);
+ ASSERT_EQ(args.sensorType, InputDeviceSensorType::ACCELEROMETER);
+ ASSERT_EQ(args.accuracy, InputDeviceSensorAccuracy::ACCURACY_HIGH);
+ ASSERT_EQ(args.hwTimestamp, ARBITRARY_TIME);
+ ASSERT_EQ(args.values, values);
+ mapper.flushSensor(InputDeviceSensorType::ACCELEROMETER);
+}
+
+TEST_F(SensorInputMapperTest, ProcessGyroscopeSensor) {
+ setGyroProperties();
+ prepareGyroAxes();
+ SensorInputMapper& mapper = addMapperAndConfigure<SensorInputMapper>();
+
+ ASSERT_TRUE(mapper.enableSensor(InputDeviceSensorType::GYROSCOPE,
+ std::chrono::microseconds(10000),
+ std::chrono::microseconds(0)));
+ process(mapper, ARBITRARY_TIME, EV_ABS, ABS_RX, 20000);
+ process(mapper, ARBITRARY_TIME, EV_ABS, ABS_RY, -20000);
+ process(mapper, ARBITRARY_TIME, EV_ABS, ABS_RZ, 40000);
+ process(mapper, ARBITRARY_TIME, EV_MSC, MSC_TIMESTAMP, 1000);
+ process(mapper, ARBITRARY_TIME, EV_SYN, SYN_REPORT, 0);
+
+ NotifySensorArgs args;
+ std::vector<float> values = {20000.0f / GYRO_RAW_RESOLUTION * DEGREE_RADIAN_UNIT,
+ -20000.0f / GYRO_RAW_RESOLUTION * DEGREE_RADIAN_UNIT,
+ 40000.0f / GYRO_RAW_RESOLUTION * DEGREE_RADIAN_UNIT};
+
+ ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifySensorWasCalled(&args));
+ ASSERT_EQ(args.source, AINPUT_SOURCE_SENSOR);
+ ASSERT_EQ(args.deviceId, DEVICE_ID);
+ ASSERT_EQ(args.sensorType, InputDeviceSensorType::GYROSCOPE);
+ ASSERT_EQ(args.accuracy, InputDeviceSensorAccuracy::ACCURACY_HIGH);
+ ASSERT_EQ(args.hwTimestamp, ARBITRARY_TIME);
+ ASSERT_EQ(args.values, values);
+ mapper.flushSensor(InputDeviceSensorType::GYROSCOPE);
+}
+
// --- KeyboardInputMapperTest ---
class KeyboardInputMapperTest : public InputMapperTest {
@@ -7737,8 +7934,8 @@
configureDevice(InputReaderConfiguration::CHANGE_DISPLAY_INFO);
}
- void processPositionAndVerify(MultiTouchInputMapper& mapper, int32_t xInside, int32_t yInside,
- int32_t xOutside, int32_t yOutside, int32_t xExpected,
+ void processPositionAndVerify(MultiTouchInputMapper& mapper, int32_t xOutside, int32_t yOutside,
+ int32_t xInside, int32_t yInside, int32_t xExpected,
int32_t yExpected) {
// touch on outside area should not work.
processPosition(mapper, toRawX(xOutside), toRawY(yOutside));
@@ -7758,8 +7955,7 @@
}
};
-// TODO(b/175351838): Fix and enable this test
-TEST_F(MultiTouchInputMapperTest_SurfaceRange, DISABLED_Viewports_SurfaceRange) {
+TEST_F(MultiTouchInputMapperTest_SurfaceRange, Viewports_SurfaceRange) {
addConfigurationProperty("touch.deviceType", "touchScreen");
prepareDisplay(DISPLAY_ORIENTATION_0);
prepareAxes(POSITION);
@@ -7785,8 +7981,7 @@
processPositionAndVerify(mapper, x - 1, y, x + 1, y, xExpected, yExpected);
}
-// TODO(b/175351838): Fix and enable this test
-TEST_F(MultiTouchInputMapperTest_SurfaceRange, DISABLED_Viewports_SurfaceRange_90) {
+TEST_F(MultiTouchInputMapperTest_SurfaceRange, Viewports_SurfaceRange_90) {
addConfigurationProperty("touch.deviceType", "touchScreen");
prepareDisplay(DISPLAY_ORIENTATION_0);
prepareAxes(POSITION);
@@ -7804,8 +7999,7 @@
processPositionAndVerify(mapper, x - 1, y, x + 1, y, xExpected, yExpected);
}
-// TODO(b/175351838): Fix and enable this test
-TEST_F(MultiTouchInputMapperTest_SurfaceRange, DISABLED_Viewports_SurfaceRange_270) {
+TEST_F(MultiTouchInputMapperTest_SurfaceRange, Viewports_SurfaceRange_270) {
addConfigurationProperty("touch.deviceType", "touchScreen");
prepareDisplay(DISPLAY_ORIENTATION_0);
prepareAxes(POSITION);
diff --git a/services/inputflinger/tests/TestInputListener.cpp b/services/inputflinger/tests/TestInputListener.cpp
index 1050ab8..295c6e3 100644
--- a/services/inputflinger/tests/TestInputListener.cpp
+++ b/services/inputflinger/tests/TestInputListener.cpp
@@ -80,6 +80,12 @@
"Expected notifySwitch() to have been called."));
}
+void TestInputListener::assertNotifySensorWasCalled(NotifySensorArgs* outEventArgs) {
+ ASSERT_NO_FATAL_FAILURE(
+ assertCalled<NotifySensorArgs>(outEventArgs,
+ "Expected notifySensor() to have been called."));
+}
+
void TestInputListener::assertNotifyCaptureWasCalled(
NotifyPointerCaptureChangedArgs* outEventArgs) {
ASSERT_NO_FATAL_FAILURE(
@@ -155,4 +161,8 @@
notify<NotifyPointerCaptureChangedArgs>(args);
}
+void TestInputListener::notifySensor(const NotifySensorArgs* args) {
+ notify<NotifySensorArgs>(args);
+}
+
} // namespace android
diff --git a/services/inputflinger/tests/TestInputListener.h b/services/inputflinger/tests/TestInputListener.h
index 887d4ea..e54350a 100644
--- a/services/inputflinger/tests/TestInputListener.h
+++ b/services/inputflinger/tests/TestInputListener.h
@@ -55,6 +55,7 @@
void assertNotifySwitchWasCalled(NotifySwitchArgs* outEventArgs = nullptr);
void assertNotifyCaptureWasCalled(NotifyPointerCaptureChangedArgs* outEventArgs = nullptr);
+ void assertNotifySensorWasCalled(NotifySensorArgs* outEventArgs = nullptr);
private:
template <class NotifyArgsType>
@@ -76,6 +77,8 @@
virtual void notifySwitch(const NotifySwitchArgs* args) override;
+ virtual void notifySensor(const NotifySensorArgs* args) override;
+
virtual void notifyPointerCaptureChanged(const NotifyPointerCaptureChangedArgs* args) override;
std::mutex mLock;
@@ -88,6 +91,7 @@
std::vector<NotifyKeyArgs>, //
std::vector<NotifyMotionArgs>, //
std::vector<NotifySwitchArgs>, //
+ std::vector<NotifySensorArgs>, //
std::vector<NotifyPointerCaptureChangedArgs>> //
mQueues GUARDED_BY(mLock);
};
diff --git a/services/surfaceflinger/DisplayHardware/HWC2.cpp b/services/surfaceflinger/DisplayHardware/HWC2.cpp
index e6bff04..426092d 100644
--- a/services/surfaceflinger/DisplayHardware/HWC2.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWC2.cpp
@@ -26,18 +26,17 @@
#include "HWC2.h"
+#include <android/configuration.h>
+#include <ftl/future.h>
#include <ui/Fence.h>
#include <ui/FloatRect.h>
#include <ui/GraphicBuffer.h>
-#include <android/configuration.h>
-
-#include <inttypes.h>
#include <algorithm>
+#include <cinttypes>
#include <iterator>
#include <set>
-#include "../Promise.h"
#include "ComposerHal.h"
namespace android {
@@ -647,7 +646,7 @@
}
std::future<Error> Display::setDisplayBrightness(float brightness) {
- return promise::defer([composer = &mComposer, id = mId, brightness] {
+ return ftl::defer([composer = &mComposer, id = mId, brightness] {
const auto intError = composer->setDisplayBrightness(id, brightness);
return static_cast<Error>(intError);
});
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.cpp b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
index 1548d18..5fa72b8 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
@@ -30,6 +30,7 @@
#include <compositionengine/Output.h>
#include <compositionengine/OutputLayer.h>
#include <compositionengine/impl/OutputLayerCompositionState.h>
+#include <ftl/future.h>
#include <log/log.h>
#include <ui/DebugUtils.h>
#include <ui/GraphicBuffer.h>
@@ -37,7 +38,6 @@
#include <utils/Trace.h>
#include "../Layer.h" // needed only for debugging
-#include "../Promise.h"
#include "../SurfaceFlinger.h"
#include "../SurfaceFlingerProperties.h"
#include "ComposerHal.h"
@@ -792,10 +792,10 @@
std::future<status_t> HWComposer::setDisplayBrightness(PhysicalDisplayId displayId,
float brightness) {
- RETURN_IF_INVALID_DISPLAY(displayId, promise::yield<status_t>(BAD_INDEX));
+ RETURN_IF_INVALID_DISPLAY(displayId, ftl::yield<status_t>(BAD_INDEX));
auto& display = mDisplayData[displayId].hwcDisplay;
- return promise::chain(display->setDisplayBrightness(brightness))
+ return ftl::chain(display->setDisplayBrightness(brightness))
.then([displayId](hal::Error error) -> status_t {
if (error == hal::Error::UNSUPPORTED) {
RETURN_IF_HWC_ERROR(error, displayId, INVALID_OPERATION);
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 9407c92..f53c4cc 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -656,6 +656,8 @@
layerSettings.backgroundBlurRadius = getBackgroundBlurRadius();
layerSettings.blurRegions = getBlurRegions();
}
+ // Record the name of the layer for debugging further down the stack.
+ layerSettings.name = getName();
return layerSettings;
}
@@ -819,7 +821,8 @@
// to be applied as per normal (no synchronization).
mCurrentState.barrierLayer_legacy = nullptr;
} else {
- auto syncPoint = std::make_shared<SyncPoint>(mCurrentState.barrierFrameNumber, this);
+ auto syncPoint = std::make_shared<SyncPoint>(mCurrentState.barrierFrameNumber, this,
+ barrierLayer);
if (barrierLayer->addSyncPoint(syncPoint)) {
std::stringstream ss;
ss << "Adding sync point " << mCurrentState.barrierFrameNumber;
@@ -844,7 +847,7 @@
ATRACE_CALL();
*stateToCommit = mPendingStates[0];
- mPendingStates.removeAt(0);
+ mPendingStates.pop_front();
ATRACE_INT(mTransactionName.c_str(), mPendingStates.size());
}
@@ -883,6 +886,7 @@
mRemoteSyncPoints.pop_front();
} else {
ATRACE_NAME("!frameIsAvailable");
+ mRemoteSyncPoints.front()->checkTimeoutAndLog();
break;
}
} else {
@@ -2183,7 +2187,10 @@
}
int32_t Layer::getBackgroundBlurRadius() const {
- return getDrawingState().backgroundBlurRadius;
+ const auto& p = mDrawingParent.promote();
+
+ half parentAlpha = (p != nullptr) ? p->getAlpha() : 1.0_hf;
+ return parentAlpha * getDrawingState().backgroundBlurRadius;
}
const std::vector<BlurRegion>& Layer::getBlurRegions() const {
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index f990bc7..c9e97da 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -36,6 +36,7 @@
#include <utils/RefBase.h>
#include <utils/Timers.h>
+#include <chrono>
#include <cstdint>
#include <list>
#include <optional>
@@ -904,12 +905,13 @@
protected:
class SyncPoint {
public:
- explicit SyncPoint(uint64_t frameNumber, wp<Layer> requestedSyncLayer)
+ explicit SyncPoint(uint64_t frameNumber, wp<Layer> requestedSyncLayer,
+ wp<Layer> barrierLayer_legacy)
: mFrameNumber(frameNumber),
mFrameIsAvailable(false),
mTransactionIsApplied(false),
- mRequestedSyncLayer(requestedSyncLayer) {}
-
+ mRequestedSyncLayer(requestedSyncLayer),
+ mBarrierLayer_legacy(barrierLayer_legacy) {}
uint64_t getFrameNumber() const { return mFrameNumber; }
bool frameIsAvailable() const { return mFrameIsAvailable; }
@@ -922,11 +924,42 @@
sp<Layer> getRequestedSyncLayer() { return mRequestedSyncLayer.promote(); }
+ sp<Layer> getBarrierLayer() const { return mBarrierLayer_legacy.promote(); }
+
+ bool isTimeout() const {
+ using namespace std::chrono_literals;
+ static constexpr std::chrono::nanoseconds TIMEOUT_THRESHOLD = 1s;
+
+ return std::chrono::steady_clock::now() - mCreateTimeStamp > TIMEOUT_THRESHOLD;
+ }
+
+ void checkTimeoutAndLog() {
+ using namespace std::chrono_literals;
+ static constexpr std::chrono::nanoseconds LOG_PERIOD = 1s;
+
+ if (!frameIsAvailable() && isTimeout()) {
+ const auto now = std::chrono::steady_clock::now();
+ if (now - mLastLogTime > LOG_PERIOD) {
+ mLastLogTime = now;
+ sp<Layer> requestedSyncLayer = getRequestedSyncLayer();
+ sp<Layer> barrierLayer = getBarrierLayer();
+ ALOGW("[%s] sync point %" PRIu64 " wait timeout %lld for %s",
+ requestedSyncLayer ? requestedSyncLayer->getDebugName() : "Removed",
+ mFrameNumber, (now - mCreateTimeStamp).count(),
+ barrierLayer ? barrierLayer->getDebugName() : "Removed");
+ }
+ }
+ }
+
private:
const uint64_t mFrameNumber;
std::atomic<bool> mFrameIsAvailable;
std::atomic<bool> mTransactionIsApplied;
wp<Layer> mRequestedSyncLayer;
+ wp<Layer> mBarrierLayer_legacy;
+ const std::chrono::time_point<std::chrono::steady_clock> mCreateTimeStamp =
+ std::chrono::steady_clock::now();
+ std::chrono::time_point<std::chrono::steady_clock> mLastLogTime;
};
friend class impl::SurfaceInterceptor;
@@ -1013,12 +1046,12 @@
State mDrawingState;
// Store a copy of the pending state so that the drawing thread can access the
// states without a lock.
- Vector<State> mPendingStatesSnapshot;
+ std::deque<State> mPendingStatesSnapshot;
// these are protected by an external lock (mStateLock)
State mCurrentState;
std::atomic<uint32_t> mTransactionFlags{0};
- Vector<State> mPendingStates;
+ std::deque<State> mPendingStates;
// Timestamp history for UIAutomation. Thread safe.
FrameTracker mFrameTracker;
diff --git a/services/surfaceflinger/Promise.h b/services/surfaceflinger/Promise.h
deleted file mode 100644
index a80d441..0000000
--- a/services/surfaceflinger/Promise.h
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * Copyright 2020 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 <future>
-#include <type_traits>
-#include <utility>
-
-namespace android::promise {
-namespace impl {
-
-template <typename T>
-struct FutureResult {
- using Type = T;
-};
-
-template <typename T>
-struct FutureResult<std::future<T>> {
- using Type = T;
-};
-
-} // namespace impl
-
-template <typename T>
-using FutureResult = typename impl::FutureResult<T>::Type;
-
-template <typename... Args>
-inline auto defer(Args... args) {
- return std::async(std::launch::deferred, std::forward<Args>(args)...);
-}
-
-template <typename T>
-inline std::future<T> yield(T&& v) {
- return defer([](T&& v) { return std::forward<T>(v); }, std::forward<T>(v));
-}
-
-template <typename T>
-struct Chain {
- Chain(std::future<T>&& f) : future(std::move(f)) {}
- operator std::future<T>&&() && { return std::move(future); }
-
- T get() && { return future.get(); }
-
- template <typename F, typename R = std::invoke_result_t<F, T>>
- auto then(F&& op) && -> Chain<FutureResult<R>> {
- return defer(
- [](auto&& f, F&& op) {
- R r = op(f.get());
- if constexpr (std::is_same_v<R, FutureResult<R>>) {
- return r;
- } else {
- return r.get();
- }
- },
- std::move(future), std::forward<F>(op));
- }
-
- std::future<T> future;
-};
-
-template <typename T>
-inline Chain<T> chain(std::future<T>&& f) {
- return std::move(f);
-}
-
-} // namespace android::promise
diff --git a/services/surfaceflinger/RefreshRateOverlay.cpp b/services/surfaceflinger/RefreshRateOverlay.cpp
index f99d54a..a959b9a 100644
--- a/services/surfaceflinger/RefreshRateOverlay.cpp
+++ b/services/surfaceflinger/RefreshRateOverlay.cpp
@@ -18,6 +18,8 @@
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wconversion"
+#include <algorithm>
+
#include "RefreshRateOverlay.h"
#include "Client.h"
#include "Layer.h"
@@ -172,7 +174,7 @@
RefreshRateOverlay::RefreshRateOverlay(SurfaceFlinger& flinger, bool showSpinner)
: mFlinger(flinger), mClient(new Client(&mFlinger)), mShowSpinner(showSpinner) {
createLayer();
- primeCache();
+ reset();
}
bool RefreshRateOverlay::createLayer() {
@@ -202,26 +204,15 @@
return true;
}
-void RefreshRateOverlay::primeCache() {
- auto& allRefreshRates = mFlinger.mRefreshRateConfigs->getAllRefreshRates();
- if (allRefreshRates.size() == 1) {
- int fps = allRefreshRates.begin()->second->getFps().getIntValue();
- half4 color = {LOW_FPS_COLOR, ALPHA};
- mBufferCache.emplace(fps, SevenSegmentDrawer::drawNumber(fps, color, mShowSpinner));
- return;
- }
-
- std::vector<uint32_t> supportedFps;
- supportedFps.reserve(allRefreshRates.size());
- for (auto& [ignored, refreshRate] : allRefreshRates) {
- supportedFps.push_back(refreshRate->getFps().getIntValue());
- }
-
- std::sort(supportedFps.begin(), supportedFps.end());
- const auto mLowFps = supportedFps[0];
- const auto mHighFps = supportedFps[supportedFps.size() - 1];
- for (auto fps : supportedFps) {
- const auto fpsScale = float(fps - mLowFps) / (mHighFps - mLowFps);
+const std::vector<sp<GraphicBuffer>>& RefreshRateOverlay::getOrCreateBuffers(uint32_t fps) {
+ if (mBufferCache.find(fps) == mBufferCache.end()) {
+ // Ensure the range is > 0, so we don't divide by 0.
+ const auto rangeLength = std::max(1u, mHighFps - mLowFps);
+ // Clip values outside the range [mLowFps, mHighFps]. The current fps may be outside
+ // of this range if the display has changed its set of supported refresh rates.
+ fps = std::max(fps, mLowFps);
+ fps = std::min(fps, mHighFps);
+ const auto fpsScale = static_cast<float>(fps - mLowFps) / rangeLength;
half4 color;
color.r = HIGH_FPS_COLOR.r * fpsScale + LOW_FPS_COLOR.r * (1 - fpsScale);
color.g = HIGH_FPS_COLOR.g * fpsScale + LOW_FPS_COLOR.g * (1 - fpsScale);
@@ -229,6 +220,8 @@
color.a = ALPHA;
mBufferCache.emplace(fps, SevenSegmentDrawer::drawNumber(fps, color, mShowSpinner));
}
+
+ return mBufferCache[fps];
}
void RefreshRateOverlay::setViewport(ui::Size viewport) {
@@ -241,7 +234,7 @@
void RefreshRateOverlay::changeRefreshRate(const RefreshRate& refreshRate) {
mCurrentFps = refreshRate.getFps().getIntValue();
- auto buffer = mBufferCache[*mCurrentFps][mFrame];
+ auto buffer = getOrCreateBuffers(*mCurrentFps)[mFrame];
mLayer->setBuffer(buffer, Fence::NO_FENCE, 0, 0, {},
mLayer->getHeadFrameNumber(-1 /* expectedPresentTime */));
@@ -251,7 +244,7 @@
void RefreshRateOverlay::onInvalidate() {
if (!mCurrentFps.has_value()) return;
- const auto& buffers = mBufferCache[*mCurrentFps];
+ const auto& buffers = getOrCreateBuffers(*mCurrentFps);
mFrame = (mFrame + 1) % buffers.size();
auto buffer = buffers[mFrame];
mLayer->setBuffer(buffer, Fence::NO_FENCE, 0, 0, {},
@@ -260,6 +253,12 @@
mFlinger.mTransactionFlags.fetch_or(eTransactionMask);
}
+void RefreshRateOverlay::reset() {
+ mBufferCache.clear();
+ mLowFps = mFlinger.mRefreshRateConfigs->getMinRefreshRate().getFps().getIntValue();
+ mHighFps = mFlinger.mRefreshRateConfigs->getMaxRefreshRate().getFps().getIntValue();
+}
+
} // namespace android
// TODO(b/129481165): remove the #pragma below and fix conversion issues
diff --git a/services/surfaceflinger/RefreshRateOverlay.h b/services/surfaceflinger/RefreshRateOverlay.h
index 1a8938f..4ca1337 100644
--- a/services/surfaceflinger/RefreshRateOverlay.h
+++ b/services/surfaceflinger/RefreshRateOverlay.h
@@ -43,6 +43,7 @@
void setViewport(ui::Size);
void changeRefreshRate(const RefreshRate&);
void onInvalidate();
+ void reset();
private:
class SevenSegmentDrawer {
@@ -71,7 +72,7 @@
};
bool createLayer();
- void primeCache();
+ const std::vector<sp<GraphicBuffer>>& getOrCreateBuffers(uint32_t fps);
SurfaceFlinger& mFlinger;
const sp<Client> mClient;
@@ -87,6 +88,10 @@
const half3 HIGH_FPS_COLOR = half3(0.0f, 1.0f, 0.0f);
const bool mShowSpinner;
+
+ // Interpolate the colors between these values.
+ uint32_t mLowFps;
+ uint32_t mHighFps;
};
} // namespace android
diff --git a/services/surfaceflinger/RegionSamplingThread.cpp b/services/surfaceflinger/RegionSamplingThread.cpp
index 2511eb3..ad4877b 100644
--- a/services/surfaceflinger/RegionSamplingThread.cpp
+++ b/services/surfaceflinger/RegionSamplingThread.cpp
@@ -28,6 +28,7 @@
#include <compositionengine/Display.h>
#include <compositionengine/impl/OutputCompositionState.h>
#include <cutils/properties.h>
+#include <ftl/future.h>
#include <gui/IRegionSamplingListener.h>
#include <gui/SyncScreenCaptureListener.h>
#include <ui/DisplayStatInfo.h>
@@ -38,7 +39,6 @@
#include "DisplayDevice.h"
#include "DisplayRenderArea.h"
#include "Layer.h"
-#include "Promise.h"
#include "Scheduler/VsyncController.h"
#include "SurfaceFlinger.h"
@@ -389,7 +389,7 @@
const Rect sampledBounds = sampleRegion.bounds();
- SurfaceFlinger::RenderAreaFuture renderAreaFuture = promise::defer([=] {
+ SurfaceFlinger::RenderAreaFuture renderAreaFuture = ftl::defer([=] {
return DisplayRenderArea::create(displayWeak, screencapRegion.bounds(),
sampledBounds.getSize(), ui::Dataspace::V0_SRGB,
orientation);
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 3f6e8e6..6f86e76 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -47,8 +47,7 @@
#include <configstore/Utils.h>
#include <cutils/compiler.h>
#include <cutils/properties.h>
-#include <dlfcn.h>
-#include <errno.h>
+#include <ftl/future.h>
#include <gui/BufferQueue.h>
#include <gui/DebugEGLImageTracker.h>
#include <gui/IDisplayEventConnection.h>
@@ -81,6 +80,7 @@
#include <utils/misc.h>
#include <algorithm>
+#include <cerrno>
#include <cinttypes>
#include <cmath>
#include <cstdint>
@@ -112,7 +112,6 @@
#include "LayerVector.h"
#include "MonitoredProducer.h"
#include "NativeWindowSurface.h"
-#include "Promise.h"
#include "RefreshRateOverlay.h"
#include "RegionSamplingThread.h"
#include "Scheduler/DispSyncSource.h"
@@ -711,16 +710,17 @@
// Sending maxFrameBufferAcquiredBuffers as the cache size is tightly tuned to single-display.
mCompositionEngine->setRenderEngine(renderengine::RenderEngine::create(
renderengine::RenderEngineCreationArgs::Builder()
- .setPixelFormat(static_cast<int32_t>(defaultCompositionPixelFormat))
- .setImageCacheSize(maxFrameBufferAcquiredBuffers)
- .setUseColorManagerment(useColorManagement)
- .setEnableProtectedContext(enable_protected_contents(false))
- .setPrecacheToneMapperShaderOnly(false)
- .setSupportsBackgroundBlur(mSupportsBlur)
- .setContextPriority(useContextPriority
- ? renderengine::RenderEngine::ContextPriority::HIGH
- : renderengine::RenderEngine::ContextPriority::MEDIUM)
- .build()));
+ .setPixelFormat(static_cast<int32_t>(defaultCompositionPixelFormat))
+ .setImageCacheSize(maxFrameBufferAcquiredBuffers)
+ .setUseColorManagerment(useColorManagement)
+ .setEnableProtectedContext(enable_protected_contents(false))
+ .setPrecacheToneMapperShaderOnly(false)
+ .setSupportsBackgroundBlur(mSupportsBlur)
+ .setContextPriority(
+ useContextPriority
+ ? renderengine::RenderEngine::ContextPriority::REALTIME
+ : renderengine::RenderEngine::ContextPriority::MEDIUM)
+ .build()));
mCompositionEngine->setTimeStats(mTimeStats);
mCompositionEngine->setHwComposer(getFactory().createHWComposer(getBE().mHwcServiceName));
mCompositionEngine->getHwComposer().setConfiguration(this, getBE().mComposerSequenceId);
@@ -1512,12 +1512,12 @@
return BAD_VALUE;
}
- return promise::chain(schedule([=]() MAIN_THREAD {
+ return ftl::chain(schedule([=]() MAIN_THREAD {
if (const auto displayId = getPhysicalDisplayIdLocked(displayToken)) {
return getHwComposer().setDisplayBrightness(*displayId, brightness);
} else {
ALOGE("%s: Invalid display token %p", __FUNCTION__, displayToken.get());
- return promise::yield<status_t>(NAME_NOT_FOUND);
+ return ftl::yield<status_t>(NAME_NOT_FOUND);
}
}))
.then([](std::future<status_t> task) { return task; })
@@ -2619,6 +2619,11 @@
if (currentState.physical) {
const auto display = getDisplayDeviceLocked(displayToken);
setPowerModeInternal(display, hal::PowerMode::ON);
+
+ // TODO(b/175678251) Call a listener instead.
+ if (mRefreshRateOverlay) {
+ mRefreshRateOverlay->reset();
+ }
}
return;
}
@@ -4941,10 +4946,11 @@
case CAPTURE_LAYERS:
case CAPTURE_DISPLAY:
case SET_DISPLAY_BRIGHTNESS:
- case SET_FRAME_TIMELINE_VSYNC: {
+ case SET_FRAME_TIMELINE_VSYNC:
+ // This is not sensitive information, so should not require permission control.
+ case GET_GPU_CONTEXT_PRIORITY: {
return OK;
}
-
case ADD_REGION_SAMPLING_LISTENER:
case REMOVE_REGION_SAMPLING_LISTENER: {
// codes that require permission check
@@ -5547,7 +5553,7 @@
}
}
- RenderAreaFuture renderAreaFuture = promise::defer([=] {
+ RenderAreaFuture renderAreaFuture = ftl::defer([=] {
return DisplayRenderArea::create(displayWeak, args.sourceCrop, reqSize, dataspace,
args.useIdentityTransform, args.captureSecureLayers);
});
@@ -5581,7 +5587,7 @@
pickDataspaceFromColorMode(display->getCompositionDisplay()->getState().colorMode);
}
- RenderAreaFuture renderAreaFuture = promise::defer([=] {
+ RenderAreaFuture renderAreaFuture = ftl::defer([=] {
return DisplayRenderArea::create(displayWeak, Rect(), size, dataspace,
false /* useIdentityTransform */,
false /* captureSecureLayers */);
@@ -5685,7 +5691,7 @@
}
bool childrenOnly = args.childrenOnly;
- RenderAreaFuture renderAreaFuture = promise::defer([=]() -> std::unique_ptr<RenderArea> {
+ RenderAreaFuture renderAreaFuture = ftl::defer([=]() -> std::unique_ptr<RenderArea> {
return std::make_unique<LayerRenderArea>(*this, parent, crop, reqSize, dataspace,
childrenOnly, layerStackSpaceRect,
captureSecureLayers);
@@ -6363,6 +6369,10 @@
return NO_ERROR;
}
+int SurfaceFlinger::getGPUContextPriority() {
+ return getRenderEngine().getContextPriority();
+}
+
} // namespace android
#if defined(__gl_h_)
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index c4c4813..e3e9c4f 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -608,6 +608,8 @@
status_t addTransactionTraceListener(
const sp<gui::ITransactionTraceListener>& listener) override;
+ int getGPUContextPriority() override;
+
// Implements IBinder::DeathRecipient.
void binderDied(const wp<IBinder>& who) override;
diff --git a/services/surfaceflinger/TimeStats/timestatsproto/Android.bp b/services/surfaceflinger/TimeStats/timestatsproto/Android.bp
index fae4e94..9481cac 100644
--- a/services/surfaceflinger/TimeStats/timestatsproto/Android.bp
+++ b/services/surfaceflinger/TimeStats/timestatsproto/Android.bp
@@ -42,3 +42,16 @@
type: "full",
},
}
+
+// ==== java device library for timestats proto ===========================
+// Note timestats is deprecated and is only used for legacy tests
+java_library {
+ name: "timestats-proto",
+ srcs: [
+ "timestats.proto",
+ ],
+ proto: {
+ type: "lite",
+ },
+ sdk_version: "current",
+}
diff --git a/services/surfaceflinger/tests/LayerTypeAndRenderTypeTransaction_test.cpp b/services/surfaceflinger/tests/LayerTypeAndRenderTypeTransaction_test.cpp
index c57ad43..782a364 100644
--- a/services/surfaceflinger/tests/LayerTypeAndRenderTypeTransaction_test.cpp
+++ b/services/surfaceflinger/tests/LayerTypeAndRenderTypeTransaction_test.cpp
@@ -377,6 +377,72 @@
40 /* tolerance */);
}
+TEST_P(LayerTypeAndRenderTypeTransactionTest, SetBackgroundBlurAffectedByParentAlpha) {
+ char value[PROPERTY_VALUE_MAX];
+ property_get("ro.surface_flinger.supports_background_blur", value, "0");
+ if (!atoi(value)) {
+ // This device doesn't support blurs, no-op.
+ return;
+ }
+
+ property_get("debug.renderengine.backend", value, "");
+ if (strcmp(value, "skiagl") != 0) {
+ // This device isn't using Skia render engine, no-op.
+ return;
+ }
+
+ sp<SurfaceControl> left;
+ sp<SurfaceControl> right;
+ sp<SurfaceControl> blur;
+ sp<SurfaceControl> blurParent;
+
+ const auto size = 32;
+ ASSERT_NO_FATAL_FAILURE(left = createLayer("Left", size, size));
+ ASSERT_NO_FATAL_FAILURE(fillLayerColor(left, Color::BLUE, size, size));
+ ASSERT_NO_FATAL_FAILURE(right = createLayer("Right", size, size));
+ ASSERT_NO_FATAL_FAILURE(fillLayerColor(right, Color::RED, size, size));
+
+ Transaction()
+ .setLayer(left, mLayerZBase + 1)
+ .setFrame(left, {0, 0, size, size})
+ .setLayer(right, mLayerZBase + 2)
+ .setPosition(right, size, 0)
+ .setFrame(right, {size, 0, size * 2, size})
+ .apply();
+
+ {
+ auto shot = getScreenCapture();
+ shot->expectColor(Rect(0, 0, size, size), Color::BLUE);
+ shot->expectColor(Rect(size, 0, size * 2, size), Color::RED);
+ }
+
+ ASSERT_NO_FATAL_FAILURE(blur = createLayer("BackgroundBlur", size * 2, size));
+ ASSERT_NO_FATAL_FAILURE(fillLayerColor(blur, Color::TRANSPARENT, size * 2, size));
+ ASSERT_NO_FATAL_FAILURE(blurParent = createLayer("BackgroundBlurParent", size * 2, size));
+ ASSERT_NO_FATAL_FAILURE(fillLayerColor(blurParent, Color::TRANSPARENT, size * 2, size));
+
+ Transaction()
+ .setLayer(blurParent, mLayerZBase + 3)
+ .setAlpha(blurParent, 0.5)
+ .setLayer(blur, mLayerZBase + 4)
+ .setBackgroundBlurRadius(blur, size) // set the blur radius to the size of one rect
+ .setFrame(blur, {0, 0, size * 2, size})
+ .reparent(blur, blurParent)
+ .apply();
+
+ {
+ auto shot = getScreenCapture();
+ // assert that outer sides of the red and blue rects are not blended with the other color;
+ // if the blur didn't take into account parent alpha, the outer sides would have traces of
+ // the other color
+ shot->expectColor(Rect(0, 0, size / 2, size), Color::BLUE);
+ shot->expectColor(Rect(size + size / 2, 0, size * 2, size), Color::RED);
+ // assert that middle line has blended red and blur color; adding a tolerance of 10 to
+ // account for future blur algorithm changes
+ shot->expectColor(Rect(size, 0, size + 1, size), {136, 0, 119, 255}, 10);
+ }
+}
+
TEST_P(LayerTypeAndRenderTypeTransactionTest, SetColorWithBuffer) {
sp<SurfaceControl> bufferLayer;
ASSERT_NO_FATAL_FAILURE(bufferLayer = createLayer("test", 32, 32));
diff --git a/services/surfaceflinger/tests/unittests/Android.bp b/services/surfaceflinger/tests/unittests/Android.bp
index a00e959..13c7c8b 100644
--- a/services/surfaceflinger/tests/unittests/Android.bp
+++ b/services/surfaceflinger/tests/unittests/Android.bp
@@ -51,7 +51,6 @@
"LayerHistoryTest.cpp",
"LayerMetadataTest.cpp",
"MessageQueueTest.cpp",
- "PromiseTest.cpp",
"SurfaceFlinger_CreateDisplayTest.cpp",
"SurfaceFlinger_DestroyDisplayTest.cpp",
"SurfaceFlinger_GetDisplayNativePrimariesTest.cpp",
diff --git a/services/surfaceflinger/tests/unittests/PromiseTest.cpp b/services/surfaceflinger/tests/unittests/PromiseTest.cpp
deleted file mode 100644
index e4dc1fe..0000000
--- a/services/surfaceflinger/tests/unittests/PromiseTest.cpp
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * Copyright 2020 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 <algorithm>
-#include <future>
-#include <string>
-#include <thread>
-#include <vector>
-
-#include <gtest/gtest.h>
-
-#include "Promise.h"
-
-namespace android {
-namespace {
-
-using Bytes = std::vector<uint8_t>;
-
-Bytes decrement(Bytes bytes) {
- std::transform(bytes.begin(), bytes.end(), bytes.begin(), [](auto b) { return b - 1; });
- return bytes;
-}
-
-} // namespace
-
-TEST(PromiseTest, yield) {
- EXPECT_EQ(42, promise::yield(42).get());
-
- auto ptr = std::make_unique<char>('!');
- auto future = promise::yield(std::move(ptr));
- EXPECT_EQ('!', *future.get());
-}
-
-TEST(PromiseTest, chain) {
- std::packaged_task<const char*()> fetchString([] { return "ifmmp-"; });
-
- std::packaged_task<Bytes(std::string)> appendString([](std::string str) {
- str += "!xpsme";
- return Bytes{str.begin(), str.end()};
- });
-
- std::packaged_task<std::future<Bytes>(Bytes)> decrementBytes(
- [](Bytes bytes) { return promise::defer(decrement, std::move(bytes)); });
-
- auto fetch = fetchString.get_future();
- std::thread fetchThread(std::move(fetchString));
-
- std::thread appendThread, decrementThread;
-
- EXPECT_EQ("hello, world",
- promise::chain(std::move(fetch))
- .then([](const char* str) { return std::string(str); })
- .then([&](std::string str) {
- auto append = appendString.get_future();
- appendThread = std::thread(std::move(appendString), std::move(str));
- return append;
- })
- .then([&](Bytes bytes) {
- auto decrement = decrementBytes.get_future();
- decrementThread = std::thread(std::move(decrementBytes),
- std::move(bytes));
- return decrement;
- })
- .then([](std::future<Bytes> bytes) { return bytes; })
- .then([](const Bytes& bytes) {
- return std::string(bytes.begin(), bytes.end());
- })
- .get());
-
- fetchThread.join();
- appendThread.join();
- decrementThread.join();
-}
-
-} // namespace android
diff --git a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
index 88cef25..d617374 100644
--- a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
+++ b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
@@ -388,6 +388,8 @@
return mFlinger->onTransact(code, data, reply, flags);
}
+ auto getGPUContextPriority() { return mFlinger->getGPUContextPriority(); }
+
/* ------------------------------------------------------------------------
* Read-only access to private data to assert post-conditions.
*/