Use TransactionState in SurfaceFlinger.
Eliminates code duplication and unnecessary copies of state components.
Flag: EXEMPT refactor
Bug: 385156191
Test: presubmit
Change-Id: Ic57f3203d94f41cd1a97014a546c1852d9b5f390
diff --git a/libs/gui/ISurfaceComposer.cpp b/libs/gui/ISurfaceComposer.cpp
index 2699368..ae4b74e 100644
--- a/libs/gui/ISurfaceComposer.cpp
+++ b/libs/gui/ISurfaceComposer.cpp
@@ -26,6 +26,7 @@
#include <gui/ISurfaceComposer.h>
#include <gui/LayerState.h>
#include <gui/SchedulingPolicy.h>
+#include <gui/TransactionState.h>
#include <private/gui/ParcelUtils.h>
#include <stdint.h>
#include <sys/types.h>
@@ -60,54 +61,12 @@
virtual ~BpSurfaceComposer();
- status_t setTransactionState(
- const FrameTimelineInfo& frameTimelineInfo, Vector<ComposerState>& state,
- Vector<DisplayState>& displays, uint32_t flags, const sp<IBinder>& applyToken,
- InputWindowCommands commands, int64_t desiredPresentTime, bool isAutoTimestamp,
- const std::vector<client_cache_t>& uncacheBuffers, bool hasListenerCallbacks,
- const std::vector<ListenerCallbacks>& listenerCallbacks, uint64_t transactionId,
- const std::vector<uint64_t>& mergedTransactionIds) override {
+ status_t setTransactionState(TransactionState&& state) override {
Parcel data, reply;
data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+ SAFE_PARCEL(state.writeToParcel, &data);
- frameTimelineInfo.writeToParcel(&data);
-
- SAFE_PARCEL(data.writeUint32, static_cast<uint32_t>(state.size()));
- for (const auto& s : state) {
- SAFE_PARCEL(s.write, data);
- }
-
- SAFE_PARCEL(data.writeUint32, static_cast<uint32_t>(displays.size()));
- for (const auto& d : displays) {
- SAFE_PARCEL(d.write, data);
- }
-
- SAFE_PARCEL(data.writeUint32, flags);
- SAFE_PARCEL(data.writeStrongBinder, applyToken);
- SAFE_PARCEL(commands.write, data);
- SAFE_PARCEL(data.writeInt64, desiredPresentTime);
- SAFE_PARCEL(data.writeBool, isAutoTimestamp);
- SAFE_PARCEL(data.writeUint32, static_cast<uint32_t>(uncacheBuffers.size()));
- for (const client_cache_t& uncacheBuffer : uncacheBuffers) {
- SAFE_PARCEL(data.writeStrongBinder, uncacheBuffer.token.promote());
- SAFE_PARCEL(data.writeUint64, uncacheBuffer.id);
- }
- SAFE_PARCEL(data.writeBool, hasListenerCallbacks);
-
- SAFE_PARCEL(data.writeVectorSize, listenerCallbacks);
- for (const auto& [listener, callbackIds] : listenerCallbacks) {
- SAFE_PARCEL(data.writeStrongBinder, listener);
- SAFE_PARCEL(data.writeParcelableVector, callbackIds);
- }
-
- SAFE_PARCEL(data.writeUint64, transactionId);
-
- SAFE_PARCEL(data.writeUint32, static_cast<uint32_t>(mergedTransactionIds.size()));
- for (auto mergedTransactionId : mergedTransactionIds) {
- SAFE_PARCEL(data.writeUint64, mergedTransactionId);
- }
-
- if (flags & ISurfaceComposer::eOneWay) {
+ if (state.mFlags & ISurfaceComposer::eOneWay) {
return remote()->transact(BnSurfaceComposer::SET_TRANSACTION_STATE,
data, &reply, IBinder::FLAG_ONEWAY);
} else {
@@ -132,75 +91,9 @@
case SET_TRANSACTION_STATE: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
- FrameTimelineInfo frameTimelineInfo;
- frameTimelineInfo.readFromParcel(&data);
-
- uint32_t count = 0;
- SAFE_PARCEL_READ_SIZE(data.readUint32, &count, data.dataSize());
- Vector<ComposerState> state;
- state.setCapacity(count);
- for (size_t i = 0; i < count; i++) {
- ComposerState s;
- SAFE_PARCEL(s.read, data);
- state.add(s);
- }
-
- SAFE_PARCEL_READ_SIZE(data.readUint32, &count, data.dataSize());
- DisplayState d;
- Vector<DisplayState> displays;
- displays.setCapacity(count);
- for (size_t i = 0; i < count; i++) {
- SAFE_PARCEL(d.read, data);
- displays.add(d);
- }
-
- uint32_t stateFlags = 0;
- SAFE_PARCEL(data.readUint32, &stateFlags);
- sp<IBinder> applyToken;
- SAFE_PARCEL(data.readStrongBinder, &applyToken);
- InputWindowCommands inputWindowCommands;
- SAFE_PARCEL(inputWindowCommands.read, data);
-
- int64_t desiredPresentTime = 0;
- bool isAutoTimestamp = true;
- SAFE_PARCEL(data.readInt64, &desiredPresentTime);
- SAFE_PARCEL(data.readBool, &isAutoTimestamp);
-
- SAFE_PARCEL_READ_SIZE(data.readUint32, &count, data.dataSize());
- std::vector<client_cache_t> uncacheBuffers(count);
- sp<IBinder> tmpBinder;
- for (size_t i = 0; i < count; i++) {
- SAFE_PARCEL(data.readNullableStrongBinder, &tmpBinder);
- uncacheBuffers[i].token = tmpBinder;
- SAFE_PARCEL(data.readUint64, &uncacheBuffers[i].id);
- }
-
- bool hasListenerCallbacks = false;
- SAFE_PARCEL(data.readBool, &hasListenerCallbacks);
-
- std::vector<ListenerCallbacks> listenerCallbacks;
- int32_t listenersSize = 0;
- SAFE_PARCEL_READ_SIZE(data.readInt32, &listenersSize, data.dataSize());
- for (int32_t i = 0; i < listenersSize; i++) {
- SAFE_PARCEL(data.readStrongBinder, &tmpBinder);
- std::vector<CallbackId> callbackIds;
- SAFE_PARCEL(data.readParcelableVector, &callbackIds);
- listenerCallbacks.emplace_back(tmpBinder, callbackIds);
- }
-
- uint64_t transactionId = -1;
- SAFE_PARCEL(data.readUint64, &transactionId);
-
- SAFE_PARCEL_READ_SIZE(data.readUint32, &count, data.dataSize());
- std::vector<uint64_t> mergedTransactions(count);
- for (size_t i = 0; i < count; i++) {
- SAFE_PARCEL(data.readUint64, &mergedTransactions[i]);
- }
-
- return setTransactionState(frameTimelineInfo, state, displays, stateFlags, applyToken,
- std::move(inputWindowCommands), desiredPresentTime,
- isAutoTimestamp, uncacheBuffers, hasListenerCallbacks,
- listenerCallbacks, transactionId, mergedTransactions);
+ TransactionState state;
+ SAFE_PARCEL(state.readFromParcel, &data);
+ return setTransactionState(std::move(state));
}
case GET_SCHEDULING_POLICY: {
gui::SchedulingPolicy policy;
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index e407a63..65313c0 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -824,34 +824,25 @@
// ---------------------------------------------------------------------------
SurfaceComposerClient::Transaction::Transaction() {
- mId = generateId();
+ mState.mId = generateId();
mTransactionCompletedListener = TransactionCompletedListener::getInstance();
}
-SurfaceComposerClient::Transaction::Transaction(const Transaction& other)
- : mId(other.mId),
- mFlags(other.mFlags),
- mMayContainBuffer(other.mMayContainBuffer),
- mDesiredPresentTime(other.mDesiredPresentTime),
- mIsAutoTimestamp(other.mIsAutoTimestamp),
- mFrameTimelineInfo(other.mFrameTimelineInfo),
- mApplyToken(other.mApplyToken) {
- mDisplayStates = other.mDisplayStates;
- mComposerStates = other.mComposerStates;
- mInputWindowCommands = other.mInputWindowCommands;
+SurfaceComposerClient::Transaction::Transaction(const Transaction& other) {
+ mState = other.mState;
mListenerCallbacks = other.mListenerCallbacks;
mTransactionCompletedListener = TransactionCompletedListener::getInstance();
}
void SurfaceComposerClient::Transaction::sanitize(int pid, int uid) {
uint32_t permissions = LayerStatePermissions::getTransactionPermissions(pid, uid);
- for (auto& composerState : mComposerStates) {
+ for (auto& composerState : mState.mComposerStates) {
composerState.state.sanitize(permissions);
}
- if (!mInputWindowCommands.empty() &&
+ if (!mState.mInputWindowCommands.empty() &&
(permissions & layer_state_t::Permission::ACCESS_SURFACE_FLINGER) == 0) {
ALOGE("Only privileged callers are allowed to send input commands.");
- mInputWindowCommands.clear();
+ mState.mInputWindowCommands.clear();
}
}
@@ -866,34 +857,13 @@
status_t SurfaceComposerClient::Transaction::readFromParcel(const Parcel* parcel) {
- const uint64_t transactionId = parcel->readUint64();
- const uint32_t flags = parcel->readUint32();
- const int64_t desiredPresentTime = parcel->readInt64();
- const bool isAutoTimestamp = parcel->readBool();
- const bool logCallPoints = parcel->readBool();
- FrameTimelineInfo frameTimelineInfo;
- frameTimelineInfo.readFromParcel(parcel);
+ TransactionState tmpState;
+ SAFE_PARCEL(tmpState.readFromParcel, parcel);
- sp<IBinder> applyToken;
- parcel->readNullableStrongBinder(&applyToken);
size_t count = static_cast<size_t>(parcel->readUint32());
if (count > parcel->dataSize()) {
return BAD_VALUE;
}
- Vector<DisplayState> displayStates;
- displayStates.setCapacity(count);
- for (size_t i = 0; i < count; i++) {
- DisplayState displayState;
- if (displayState.read(*parcel) == BAD_VALUE) {
- return BAD_VALUE;
- }
- displayStates.add(displayState);
- }
-
- count = static_cast<size_t>(parcel->readUint32());
- if (count > parcel->dataSize()) {
- return BAD_VALUE;
- }
std::unordered_map<sp<ITransactionCompletedListener>, CallbackInfo, TCLHash> listenerCallbacks;
listenerCallbacks.reserve(count);
for (size_t i = 0; i < count; i++) {
@@ -919,57 +889,8 @@
}
}
- count = static_cast<size_t>(parcel->readUint32());
- if (count > parcel->dataSize()) {
- return BAD_VALUE;
- }
- Vector<ComposerState> composerStates;
- composerStates.setCapacity(count);
- for (size_t i = 0; i < count; i++) {
- ComposerState composerState;
- if (composerState.read(*parcel) == BAD_VALUE) {
- return BAD_VALUE;
- }
- composerStates.add(composerState);
- }
-
- InputWindowCommands inputWindowCommands;
- inputWindowCommands.read(*parcel);
-
- count = static_cast<size_t>(parcel->readUint32());
- if (count > parcel->dataSize()) {
- return BAD_VALUE;
- }
- std::vector<client_cache_t> uncacheBuffers(count);
- for (size_t i = 0; i < count; i++) {
- sp<IBinder> tmpBinder;
- SAFE_PARCEL(parcel->readStrongBinder, &tmpBinder);
- uncacheBuffers[i].token = tmpBinder;
- SAFE_PARCEL(parcel->readUint64, &uncacheBuffers[i].id);
- }
-
- count = static_cast<size_t>(parcel->readUint32());
- if (count > parcel->dataSize()) {
- return BAD_VALUE;
- }
- std::vector<uint64_t> mergedTransactionIds(count);
- for (size_t i = 0; i < count; i++) {
- SAFE_PARCEL(parcel->readUint64, &mergedTransactionIds[i]);
- }
-
- // Parsing was successful. Update the object.
- mId = transactionId;
- mFlags = flags;
- mDesiredPresentTime = desiredPresentTime;
- mIsAutoTimestamp = isAutoTimestamp;
- mFrameTimelineInfo = frameTimelineInfo;
- mDisplayStates = std::move(displayStates);
- mListenerCallbacks = listenerCallbacks;
- mComposerStates = std::move(composerStates);
- mInputWindowCommands = inputWindowCommands;
- mApplyToken = applyToken;
- mUncacheBuffers = std::move(uncacheBuffers);
- mMergedTransactionIds = std::move(mergedTransactionIds);
+ mState = std::move(tmpState);
+ mListenerCallbacks = std::move(listenerCallbacks);
return NO_ERROR;
}
@@ -987,17 +908,7 @@
const_cast<SurfaceComposerClient::Transaction*>(this)->cacheBuffers();
- parcel->writeUint64(mId);
- parcel->writeUint32(mFlags);
- parcel->writeInt64(mDesiredPresentTime);
- parcel->writeBool(mIsAutoTimestamp);
- parcel->writeBool(mLogCallPoints);
- mFrameTimelineInfo.writeToParcel(parcel);
- parcel->writeStrongBinder(mApplyToken);
- parcel->writeUint32(static_cast<uint32_t>(mDisplayStates.size()));
- for (auto const& displayState : mDisplayStates) {
- displayState.write(*parcel);
- }
+ SAFE_PARCEL(mState.writeToParcel, parcel);
parcel->writeUint32(static_cast<uint32_t>(mListenerCallbacks.size()));
for (auto const& [listener, callbackInfo] : mListenerCallbacks) {
@@ -1012,24 +923,6 @@
}
}
- parcel->writeUint32(static_cast<uint32_t>(mComposerStates.size()));
- for (auto const& composerState : mComposerStates) {
- composerState.write(*parcel);
- }
-
- mInputWindowCommands.write(*parcel);
-
- SAFE_PARCEL(parcel->writeUint32, static_cast<uint32_t>(mUncacheBuffers.size()));
- for (const client_cache_t& uncacheBuffer : mUncacheBuffers) {
- SAFE_PARCEL(parcel->writeStrongBinder, uncacheBuffer.token.promote());
- SAFE_PARCEL(parcel->writeUint64, uncacheBuffer.id);
- }
-
- SAFE_PARCEL(parcel->writeUint32, static_cast<uint32_t>(mMergedTransactionIds.size()));
- for (auto mergedTransactionId : mMergedTransactionIds) {
- SAFE_PARCEL(parcel->writeUint64, mergedTransactionId);
- }
-
return NO_ERROR;
}
@@ -1054,50 +947,8 @@
}
SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::merge(Transaction&& other) {
- while (mMergedTransactionIds.size() + other.mMergedTransactionIds.size() >
- MAX_MERGE_HISTORY_LENGTH - 1 &&
- mMergedTransactionIds.size() > 0) {
- mMergedTransactionIds.pop_back();
- }
- if (other.mMergedTransactionIds.size() == MAX_MERGE_HISTORY_LENGTH) {
- mMergedTransactionIds.insert(mMergedTransactionIds.begin(),
- other.mMergedTransactionIds.begin(),
- other.mMergedTransactionIds.end() - 1);
- } else if (other.mMergedTransactionIds.size() > 0u) {
- mMergedTransactionIds.insert(mMergedTransactionIds.begin(),
- other.mMergedTransactionIds.begin(),
- other.mMergedTransactionIds.end());
- }
- mMergedTransactionIds.insert(mMergedTransactionIds.begin(), other.mId);
-
- for (auto const& otherState : other.mComposerStates) {
- if (auto it = std::find_if(mComposerStates.begin(), mComposerStates.end(),
- [&otherState](const auto& composerState) {
- return composerState.state.surface ==
- otherState.state.surface;
- });
- it != mComposerStates.end()) {
- if (otherState.state.what & layer_state_t::eBufferChanged) {
- releaseBufferIfOverwriting(it->state);
- }
- it->state.merge(otherState.state);
- } else {
- mComposerStates.add(otherState);
- }
- }
-
- for (auto const& state : other.mDisplayStates) {
- if (auto it = std::find_if(mDisplayStates.begin(), mDisplayStates.end(),
- [&state](const auto& displayState) {
- return displayState.token == state.token;
- });
- it != mDisplayStates.end()) {
- it->merge(state);
- } else {
- mDisplayStates.add(state);
- }
- }
-
+ mState.merge(std::move(other.mState),
+ std::bind(&Transaction::releaseBufferIfOverwriting, this, std::placeholders::_1));
for (const auto& [listener, callbackInfo] : other.mListenerCallbacks) {
auto& [callbackIds, surfaceControls] = callbackInfo;
mListenerCallbacks[listener].callbackIds.insert(std::make_move_iterator(
@@ -1121,50 +972,21 @@
}
}
- for (const auto& cacheId : other.mUncacheBuffers) {
- mUncacheBuffers.push_back(cacheId);
- }
-
- mInputWindowCommands.merge(other.mInputWindowCommands);
-
- mMayContainBuffer |= other.mMayContainBuffer;
- mFlags |= other.mFlags;
- mApplyToken = other.mApplyToken;
-
- mergeFrameTimelineInfo(mFrameTimelineInfo, other.mFrameTimelineInfo);
-
- mLogCallPoints |= other.mLogCallPoints;
- if (mLogCallPoints) {
- ALOG(LOG_DEBUG, LOG_SURFACE_CONTROL_REGISTRY,
- "Transaction %" PRIu64 " merged with transaction %" PRIu64, other.getId(), mId);
- }
-
other.clear();
return *this;
}
void SurfaceComposerClient::Transaction::clear() {
- mComposerStates.clear();
- mDisplayStates.clear();
+ mState.clear();
mListenerCallbacks.clear();
- mInputWindowCommands.clear();
- mUncacheBuffers.clear();
- mMayContainBuffer = false;
- mDesiredPresentTime = 0;
- mIsAutoTimestamp = true;
- mFrameTimelineInfo = {};
- mApplyToken = nullptr;
- mMergedTransactionIds.clear();
- mLogCallPoints = false;
- mFlags = 0;
}
-uint64_t SurfaceComposerClient::Transaction::getId() {
- return mId;
+uint64_t SurfaceComposerClient::Transaction::getId() const {
+ return mState.mId;
}
std::vector<uint64_t> SurfaceComposerClient::Transaction::getMergedTransactionIds() {
- return mMergedTransactionIds;
+ return mState.mMergedTransactionIds;
}
void SurfaceComposerClient::doUncacheBufferTransaction(uint64_t cacheId) {
@@ -1173,12 +995,13 @@
client_cache_t uncacheBuffer;
uncacheBuffer.token = BufferCache::getInstance().getToken();
uncacheBuffer.id = cacheId;
- Vector<ComposerState> composerStates;
- Vector<DisplayState> displayStates;
- status_t status = sf->setTransactionState(FrameTimelineInfo{}, composerStates, displayStates,
- ISurfaceComposer::eOneWay,
- Transaction::getDefaultApplyToken(), {}, systemTime(),
- true, {uncacheBuffer}, false, {}, generateId(), {});
+ TransactionState state;
+ state.mId = generateId();
+ state.mApplyToken = Transaction::getDefaultApplyToken();
+ state.mUncacheBuffers.emplace_back(std::move(uncacheBuffer));
+ state.mFlags = ISurfaceComposer::eOneWay;
+ state.mDesiredPresentTime = systemTime();
+ status_t status = sf->setTransactionState(std::move(state));
if (status != NO_ERROR) {
ALOGE_AND_TRACE("SurfaceComposerClient::doUncacheBufferTransaction - %s",
strerror(-status));
@@ -1186,12 +1009,12 @@
}
void SurfaceComposerClient::Transaction::cacheBuffers() {
- if (!mMayContainBuffer) {
+ if (!mState.mMayContainBuffer) {
return;
}
size_t count = 0;
- for (auto& cs : mComposerStates) {
+ for (auto& cs : mState.mComposerStates) {
layer_state_t* s = &cs.state;
if (!(s->what & layer_state_t::eBufferChanged)) {
continue;
@@ -1219,7 +1042,7 @@
std::optional<client_cache_t> uncacheBuffer;
cacheId = BufferCache::getInstance().cache(s->bufferData->buffer, uncacheBuffer);
if (uncacheBuffer) {
- mUncacheBuffers.push_back(*uncacheBuffer);
+ mState.mUncacheBuffers.emplace_back(*uncacheBuffer);
}
}
s->bufferData->flags |= BufferData::BufferDataChange::cachedBufferChanged;
@@ -1288,8 +1111,7 @@
/*callbackContext=*/nullptr);
}
- bool hasListenerCallbacks = !mListenerCallbacks.empty();
- std::vector<ListenerCallbacks> listenerCallbacks;
+ mState.mHasListenerCallbacks = !mListenerCallbacks.empty();
// For every listener with registered callbacks
for (const auto& [listener, callbackInfo] : mListenerCallbacks) {
auto& [callbackIds, surfaceControls] = callbackInfo;
@@ -1298,7 +1120,8 @@
}
if (surfaceControls.empty()) {
- listenerCallbacks.emplace_back(IInterface::asBinder(listener), std::move(callbackIds));
+ mState.mListenerCallbacks.emplace_back(IInterface::asBinder(listener),
+ std::move(callbackIds));
} else {
// If the listener has any SurfaceControls set on this Transaction update the surface
// state
@@ -1310,7 +1133,7 @@
}
std::vector<CallbackId> callbacks(callbackIds.begin(), callbackIds.end());
s->what |= layer_state_t::eHasListenerCallbacksChanged;
- s->listeners.emplace_back(IInterface::asBinder(listener), callbacks);
+ s->listeners.emplace_back(IInterface::asBinder(listener), std::move(callbacks));
}
}
}
@@ -1322,25 +1145,21 @@
ALOGE("Transaction attempted to set synchronous and one way at the same time"
" this is an invalid request. Synchronous will win for safety");
} else {
- mFlags |= ISurfaceComposer::eOneWay;
+ mState.mFlags |= ISurfaceComposer::eOneWay;
}
}
// If both ISurfaceComposer::eEarlyWakeupStart and ISurfaceComposer::eEarlyWakeupEnd are set
// it is equivalent for none
uint32_t wakeupFlags = ISurfaceComposer::eEarlyWakeupStart | ISurfaceComposer::eEarlyWakeupEnd;
- if ((mFlags & wakeupFlags) == wakeupFlags) {
- mFlags &= ~(wakeupFlags);
+ if ((mState.mFlags & wakeupFlags) == wakeupFlags) {
+ mState.mFlags &= ~(wakeupFlags);
}
- sp<IBinder> applyToken = mApplyToken ? mApplyToken : getDefaultApplyToken();
+ if (!mState.mApplyToken) mState.mApplyToken = getDefaultApplyToken();
sp<ISurfaceComposer> sf(ComposerService::getComposerService());
- status_t binderStatus =
- sf->setTransactionState(mFrameTimelineInfo, mComposerStates, mDisplayStates, mFlags,
- applyToken, mInputWindowCommands, mDesiredPresentTime,
- mIsAutoTimestamp, mUncacheBuffers, hasListenerCallbacks,
- listenerCallbacks, mId, mMergedTransactionIds);
- mId = generateId();
+ status_t binderStatus = sf->setTransactionState(std::move(mState));
+ mState.mId = generateId();
// Clear the current states and flags
clear();
@@ -1349,8 +1168,8 @@
syncCallback->wait();
}
- if (mLogCallPoints) {
- ALOG(LOG_DEBUG, LOG_SURFACE_CONTROL_REGISTRY, "Transaction %" PRIu64 " applied", mId);
+ if (mState.mLogCallPoints) {
+ ALOG(LOG_DEBUG, LOG_SURFACE_CONTROL_REGISTRY, "Transaction %" PRIu64 " applied", getId());
}
mStatus = NO_ERROR;
@@ -1385,7 +1204,7 @@
}
void SurfaceComposerClient::Transaction::enableDebugLogCallPoints() {
- mLogCallPoints = true;
+ mState.mLogCallPoints = true;
}
// ---------------------------------------------------------------------------
@@ -1443,34 +1262,19 @@
}
void SurfaceComposerClient::Transaction::setAnimationTransaction() {
- mFlags |= ISurfaceComposer::eAnimation;
+ mState.mFlags |= ISurfaceComposer::eAnimation;
}
void SurfaceComposerClient::Transaction::setEarlyWakeupStart() {
- mFlags |= ISurfaceComposer::eEarlyWakeupStart;
+ mState.mFlags |= ISurfaceComposer::eEarlyWakeupStart;
}
void SurfaceComposerClient::Transaction::setEarlyWakeupEnd() {
- mFlags |= ISurfaceComposer::eEarlyWakeupEnd;
+ mState.mFlags |= ISurfaceComposer::eEarlyWakeupEnd;
}
layer_state_t* SurfaceComposerClient::Transaction::getLayerState(const sp<SurfaceControl>& sc) {
- auto handle = sc->getLayerStateHandle();
- if (auto it = std::find_if(mComposerStates.begin(), mComposerStates.end(),
- [&handle](const auto& composerState) {
- return composerState.state.surface == handle;
- });
- it != mComposerStates.end()) {
- return &it->state;
- }
-
- // we don't have it, add an initialized layer_state to our list
- ComposerState s;
- s.state.surface = handle;
- s.state.layerId = sc->getLayerId();
- mComposerStates.add(s);
-
- return &mComposerStates.editItemAt(mComposerStates.size() - 1).state;
+ return mState.getLayerState(sc);
}
void SurfaceComposerClient::Transaction::registerSurfaceControlForCallback(
@@ -1846,8 +1650,8 @@
setReleaseBufferCallback(bufferData.get(), callback);
}
- if (mIsAutoTimestamp) {
- mDesiredPresentTime = systemTime();
+ if (mState.mIsAutoTimestamp) {
+ mState.mDesiredPresentTime = systemTime();
}
s->what |= layer_state_t::eBufferChanged;
s->bufferData = std::move(bufferData);
@@ -1865,7 +1669,7 @@
const std::vector<SurfaceControlStats>&) {},
nullptr);
- mMayContainBuffer = true;
+ mState.mMayContainBuffer = true;
return *this;
}
@@ -2041,8 +1845,8 @@
SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setDesiredPresentTime(
nsecs_t desiredPresentTime) {
- mDesiredPresentTime = desiredPresentTime;
- mIsAutoTimestamp = false;
+ mState.mDesiredPresentTime = desiredPresentTime;
+ mState.mIsAutoTimestamp = false;
return *this;
}
@@ -2131,14 +1935,14 @@
SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setFocusedWindow(
const FocusRequest& request) {
- mInputWindowCommands.addFocusRequest(request);
+ mState.mInputWindowCommands.addFocusRequest(request);
return *this;
}
SurfaceComposerClient::Transaction&
SurfaceComposerClient::Transaction::addWindowInfosReportedListener(
sp<gui::IWindowInfosReportedListener> windowInfosReportedListener) {
- mInputWindowCommands.addWindowInfosReportedListener(windowInfosReportedListener);
+ mState.mInputWindowCommands.addWindowInfosReportedListener(windowInfosReportedListener);
return *this;
}
@@ -2302,7 +2106,7 @@
SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setFrameTimelineInfo(
const FrameTimelineInfo& frameTimelineInfo) {
- mergeFrameTimelineInfo(mFrameTimelineInfo, frameTimelineInfo);
+ mState.mergeFrameTimelineInfo(frameTimelineInfo);
return *this;
}
@@ -2341,7 +2145,7 @@
SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setApplyToken(
const sp<IBinder>& applyToken) {
- mApplyToken = applyToken;
+ mState.mApplyToken = applyToken;
return *this;
}
@@ -2469,17 +2273,7 @@
// ---------------------------------------------------------------------------
DisplayState& SurfaceComposerClient::Transaction::getDisplayState(const sp<IBinder>& token) {
- if (auto it = std::find_if(mDisplayStates.begin(), mDisplayStates.end(),
- [token](const auto& display) { return display.token == token; });
- it != mDisplayStates.end()) {
- return *it;
- }
-
- // If display state doesn't exist, add a new one.
- DisplayState s;
- s.token = token;
- mDisplayStates.add(s);
- return mDisplayStates.editItemAt(mDisplayStates.size() - 1);
+ return mState.getDisplayState(token);
}
status_t SurfaceComposerClient::Transaction::setDisplaySurface(const sp<IBinder>& token,
@@ -2532,20 +2326,6 @@
s.what |= DisplayState::eDisplaySizeChanged;
}
-// copied from FrameTimelineInfo::merge()
-void SurfaceComposerClient::Transaction::mergeFrameTimelineInfo(FrameTimelineInfo& t,
- const FrameTimelineInfo& other) {
- // When merging vsync Ids we take the oldest valid one
- if (t.vsyncId != FrameTimelineInfo::INVALID_VSYNC_ID &&
- other.vsyncId != FrameTimelineInfo::INVALID_VSYNC_ID) {
- if (other.vsyncId > t.vsyncId) {
- t = other;
- }
- } else if (t.vsyncId == FrameTimelineInfo::INVALID_VSYNC_ID) {
- t = other;
- }
-}
-
SurfaceComposerClient::Transaction&
SurfaceComposerClient::Transaction::setTrustedPresentationCallback(
const sp<SurfaceControl>& sc, TrustedPresentationCallback cb,
diff --git a/libs/gui/include/gui/ISurfaceComposer.h b/libs/gui/include/gui/ISurfaceComposer.h
index 9a422fd..de553ae 100644
--- a/libs/gui/include/gui/ISurfaceComposer.h
+++ b/libs/gui/include/gui/ISurfaceComposer.h
@@ -65,6 +65,7 @@
struct InputWindowCommands;
class HdrCapabilities;
class Rect;
+class TransactionState;
using gui::FrameTimelineInfo;
using gui::IDisplayEventConnection;
@@ -105,13 +106,7 @@
};
/* open/close transactions. requires ACCESS_SURFACE_FLINGER permission */
- virtual status_t setTransactionState(
- const FrameTimelineInfo& frameTimelineInfo, Vector<ComposerState>& state,
- Vector<DisplayState>& displays, uint32_t flags, const sp<IBinder>& applyToken,
- InputWindowCommands inputWindowCommands, int64_t desiredPresentTime,
- bool isAutoTimestamp, const std::vector<client_cache_t>& uncacheBuffer,
- bool hasListenerCallbacks, const std::vector<ListenerCallbacks>& listenerCallbacks,
- uint64_t transactionId, const std::vector<uint64_t>& mergedTransactionIds) = 0;
+ virtual status_t setTransactionState(TransactionState&& state) = 0;
};
// ----------------------------------------------------------------------------
diff --git a/libs/gui/include/gui/SurfaceComposerClient.h b/libs/gui/include/gui/SurfaceComposerClient.h
index 4fda8de..15e3341 100644
--- a/libs/gui/include/gui/SurfaceComposerClient.h
+++ b/libs/gui/include/gui/SurfaceComposerClient.h
@@ -52,6 +52,7 @@
#include <gui/ITransactionCompletedListener.h>
#include <gui/LayerState.h>
#include <gui/SurfaceControl.h>
+#include <gui/TransactionState.h>
#include <gui/WindowInfosListenerReporter.h>
#include <math/vec3.h>
@@ -447,56 +448,11 @@
static sp<IBinder> sApplyToken;
static std::mutex sApplyTokenMutex;
void releaseBufferIfOverwriting(const layer_state_t& state);
- static void mergeFrameTimelineInfo(FrameTimelineInfo& t, const FrameTimelineInfo& other);
// Tracks registered callbacks
sp<TransactionCompletedListener> mTransactionCompletedListener = nullptr;
- // Prints debug logs when enabled.
- bool mLogCallPoints = false;
- protected:
- Vector<ComposerState> mComposerStates;
- Vector<DisplayState> mDisplayStates;
- std::unordered_map<sp<ITransactionCompletedListener>, CallbackInfo, TCLHash>
- mListenerCallbacks;
- std::vector<client_cache_t> mUncacheBuffers;
+ TransactionState mState;
- // We keep track of the last MAX_MERGE_HISTORY_LENGTH merged transaction ids.
- // Ordered most recently merged to least recently merged.
- static const size_t MAX_MERGE_HISTORY_LENGTH = 10u;
- std::vector<uint64_t> mMergedTransactionIds;
-
- uint64_t mId;
- uint32_t mFlags = 0;
-
- // Indicates that the Transaction may contain buffers that should be cached. The reason this
- // is only a guess is that buffers can be removed before cache is called. This is only a
- // hint that at some point a buffer was added to this transaction before apply was called.
- bool mMayContainBuffer = false;
-
- // mDesiredPresentTime is the time in nanoseconds that the client would like the transaction
- // to be presented. When it is not possible to present at exactly that time, it will be
- // presented after the time has passed.
- //
- // If the client didn't pass a desired presentation time, mDesiredPresentTime will be
- // populated to the time setBuffer was called, and mIsAutoTimestamp will be set to true.
- //
- // Desired present times that are more than 1 second in the future may be ignored.
- // When a desired present time has already passed, the transaction will be presented as soon
- // as possible.
- //
- // Transactions from the same process are presented in the same order that they are applied.
- // The desired present time does not affect this ordering.
- int64_t mDesiredPresentTime = 0;
- bool mIsAutoTimestamp = true;
-
- // The vsync id provided by Choreographer.getVsyncId and the input event id
- FrameTimelineInfo mFrameTimelineInfo;
-
- // If not null, transactions will be queued up using this token otherwise a common token
- // per process will be used.
- sp<IBinder> mApplyToken = nullptr;
-
- InputWindowCommands mInputWindowCommands;
int mStatus = NO_ERROR;
layer_state_t* getLayerState(const sp<SurfaceControl>& sc);
@@ -506,6 +462,11 @@
void registerSurfaceControlForCallback(const sp<SurfaceControl>& sc);
void setReleaseBufferCallback(BufferData*, ReleaseBufferCallback);
+ protected:
+ // Accessed in tests.
+ std::unordered_map<sp<ITransactionCompletedListener>, CallbackInfo, TCLHash>
+ mListenerCallbacks;
+
public:
Transaction();
virtual ~Transaction() = default;
@@ -522,7 +483,7 @@
// Returns the current id of the transaction.
// The id is updated every time the transaction is applied.
- uint64_t getId();
+ uint64_t getId() const;
std::vector<uint64_t> getMergedTransactionIds();
diff --git a/libs/gui/tests/Surface_test.cpp b/libs/gui/tests/Surface_test.cpp
index e7690e2..9627b45 100644
--- a/libs/gui/tests/Surface_test.cpp
+++ b/libs/gui/tests/Surface_test.cpp
@@ -648,16 +648,7 @@
mSupportsPresent = supportsPresent;
}
- status_t setTransactionState(
- const FrameTimelineInfo& /*frameTimelineInfo*/, Vector<ComposerState>& /*state*/,
- Vector<DisplayState>& /*displays*/, uint32_t /*flags*/,
- const sp<IBinder>& /*applyToken*/, InputWindowCommands /*inputWindowCommands*/,
- int64_t /*desiredPresentTime*/, bool /*isAutoTimestamp*/,
- const std::vector<client_cache_t>& /*cachedBuffer*/, bool /*hasListenerCallbacks*/,
- const std::vector<ListenerCallbacks>& /*listenerCallbacks*/, uint64_t /*transactionId*/,
- const std::vector<uint64_t>& /*mergedTransactionIds*/) override {
- return NO_ERROR;
- }
+ status_t setTransactionState(TransactionState&&) override { return NO_ERROR; }
protected:
IBinder* onAsBinder() override { return nullptr; }