Merge cherrypicks of ['googleplex-android-review.googlesource.com/24592967'] into udc-release.
Change-Id: Ic42599276b00c054165117b022054313e01d8d28
diff --git a/libs/gui/Android.bp b/libs/gui/Android.bp
index bf34987..3c8df2b 100644
--- a/libs/gui/Android.bp
+++ b/libs/gui/Android.bp
@@ -73,6 +73,7 @@
"android/gui/FocusRequest.aidl",
"android/gui/InputApplicationInfo.aidl",
"android/gui/IWindowInfosListener.aidl",
+ "android/gui/IWindowInfosPublisher.aidl",
"android/gui/IWindowInfosReportedListener.aidl",
"android/gui/WindowInfo.aidl",
"android/gui/WindowInfosUpdate.aidl",
@@ -90,6 +91,7 @@
"android/gui/FocusRequest.aidl",
"android/gui/InputApplicationInfo.aidl",
"android/gui/IWindowInfosListener.aidl",
+ "android/gui/IWindowInfosPublisher.aidl",
"android/gui/IWindowInfosReportedListener.aidl",
"android/gui/WindowInfosUpdate.aidl",
"android/gui/WindowInfo.aidl",
diff --git a/libs/gui/WindowInfosListenerReporter.cpp b/libs/gui/WindowInfosListenerReporter.cpp
index 76e7b6e..0929b8e 100644
--- a/libs/gui/WindowInfosListenerReporter.cpp
+++ b/libs/gui/WindowInfosListenerReporter.cpp
@@ -22,7 +22,6 @@
namespace android {
using gui::DisplayInfo;
-using gui::IWindowInfosReportedListener;
using gui::WindowInfo;
using gui::WindowInfosListener;
using gui::aidl_utils::statusTFromBinderStatus;
@@ -40,8 +39,13 @@
{
std::scoped_lock lock(mListenersMutex);
if (mWindowInfosListeners.empty()) {
- binder::Status s = surfaceComposer->addWindowInfosListener(this);
+ gui::WindowInfosListenerInfo listenerInfo;
+ binder::Status s = surfaceComposer->addWindowInfosListener(this, &listenerInfo);
status = statusTFromBinderStatus(s);
+ if (status == OK) {
+ mWindowInfosPublisher = std::move(listenerInfo.windowInfosPublisher);
+ mListenerId = listenerInfo.listenerId;
+ }
}
if (status == OK) {
@@ -85,8 +89,7 @@
}
binder::Status WindowInfosListenerReporter::onWindowInfosChanged(
- const gui::WindowInfosUpdate& update,
- const sp<IWindowInfosReportedListener>& windowInfosReportedListener) {
+ const gui::WindowInfosUpdate& update) {
std::unordered_set<sp<WindowInfosListener>, gui::SpHash<WindowInfosListener>>
windowInfosListeners;
@@ -104,9 +107,7 @@
listener->onWindowInfosChanged(update);
}
- if (windowInfosReportedListener) {
- windowInfosReportedListener->onWindowInfosReported();
- }
+ mWindowInfosPublisher->ackWindowInfosReceived(update.vsyncId, mListenerId);
return binder::Status::ok();
}
@@ -114,7 +115,10 @@
void WindowInfosListenerReporter::reconnect(const sp<gui::ISurfaceComposer>& composerService) {
std::scoped_lock lock(mListenersMutex);
if (!mWindowInfosListeners.empty()) {
- composerService->addWindowInfosListener(this);
+ gui::WindowInfosListenerInfo listenerInfo;
+ composerService->addWindowInfosListener(this, &listenerInfo);
+ mWindowInfosPublisher = std::move(listenerInfo.windowInfosPublisher);
+ mListenerId = listenerInfo.listenerId;
}
}
diff --git a/libs/gui/aidl/android/gui/ISurfaceComposer.aidl b/libs/gui/aidl/android/gui/ISurfaceComposer.aidl
index ec3266c..539a1c1 100644
--- a/libs/gui/aidl/android/gui/ISurfaceComposer.aidl
+++ b/libs/gui/aidl/android/gui/ISurfaceComposer.aidl
@@ -40,12 +40,14 @@
import android.gui.ISurfaceComposerClient;
import android.gui.ITunnelModeEnabledListener;
import android.gui.IWindowInfosListener;
+import android.gui.IWindowInfosPublisher;
import android.gui.LayerCaptureArgs;
import android.gui.LayerDebugInfo;
import android.gui.OverlayProperties;
import android.gui.PullAtomData;
import android.gui.ARect;
import android.gui.StaticDisplayInfo;
+import android.gui.WindowInfosListenerInfo;
/** @hide */
interface ISurfaceComposer {
@@ -500,7 +502,7 @@
*/
int getMaxAcquiredBufferCount();
- void addWindowInfosListener(IWindowInfosListener windowInfosListener);
+ WindowInfosListenerInfo addWindowInfosListener(IWindowInfosListener windowInfosListener);
void removeWindowInfosListener(IWindowInfosListener windowInfosListener);
diff --git a/libs/gui/aidl/android/gui/WindowInfosListenerInfo.aidl b/libs/gui/aidl/android/gui/WindowInfosListenerInfo.aidl
new file mode 100644
index 0000000..0ca13b7
--- /dev/null
+++ b/libs/gui/aidl/android/gui/WindowInfosListenerInfo.aidl
@@ -0,0 +1,25 @@
+/**
+ * Copyright (c) 2023, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+import android.gui.IWindowInfosPublisher;
+
+/** @hide */
+parcelable WindowInfosListenerInfo {
+ long listenerId;
+ IWindowInfosPublisher windowInfosPublisher;
+}
\ No newline at end of file
diff --git a/libs/gui/android/gui/IWindowInfosListener.aidl b/libs/gui/android/gui/IWindowInfosListener.aidl
index 400229d..07cb5ed 100644
--- a/libs/gui/android/gui/IWindowInfosListener.aidl
+++ b/libs/gui/android/gui/IWindowInfosListener.aidl
@@ -16,11 +16,9 @@
package android.gui;
-import android.gui.IWindowInfosReportedListener;
import android.gui.WindowInfosUpdate;
/** @hide */
oneway interface IWindowInfosListener {
- void onWindowInfosChanged(
- in WindowInfosUpdate update, in @nullable IWindowInfosReportedListener windowInfosReportedListener);
+ void onWindowInfosChanged(in WindowInfosUpdate update);
}
diff --git a/libs/gui/android/gui/IWindowInfosPublisher.aidl b/libs/gui/android/gui/IWindowInfosPublisher.aidl
new file mode 100644
index 0000000..5a9c328
--- /dev/null
+++ b/libs/gui/android/gui/IWindowInfosPublisher.aidl
@@ -0,0 +1,23 @@
+/**
+ * Copyright (c) 2023, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+/** @hide */
+oneway interface IWindowInfosPublisher
+{
+ void ackWindowInfosReceived(long vsyncId, long listenerId);
+}
diff --git a/libs/gui/fuzzer/libgui_fuzzer_utils.h b/libs/gui/fuzzer/libgui_fuzzer_utils.h
index 8c003d8..4c7d056 100644
--- a/libs/gui/fuzzer/libgui_fuzzer_utils.h
+++ b/libs/gui/fuzzer/libgui_fuzzer_utils.h
@@ -153,8 +153,8 @@
MOCK_METHOD(binder::Status, setOverrideFrameRate, (int32_t, float), (override));
MOCK_METHOD(binder::Status, getGpuContextPriority, (int32_t*), (override));
MOCK_METHOD(binder::Status, getMaxAcquiredBufferCount, (int32_t*), (override));
- MOCK_METHOD(binder::Status, addWindowInfosListener, (const sp<gui::IWindowInfosListener>&),
- (override));
+ MOCK_METHOD(binder::Status, addWindowInfosListener,
+ (const sp<gui::IWindowInfosListener>&, gui::WindowInfosListenerInfo*), (override));
MOCK_METHOD(binder::Status, removeWindowInfosListener, (const sp<gui::IWindowInfosListener>&),
(override));
MOCK_METHOD(binder::Status, getOverlaySupport, (gui::OverlayProperties*), (override));
diff --git a/libs/gui/include/gui/ISurfaceComposer.h b/libs/gui/include/gui/ISurfaceComposer.h
index 7c150d5..3ff6735 100644
--- a/libs/gui/include/gui/ISurfaceComposer.h
+++ b/libs/gui/include/gui/ISurfaceComposer.h
@@ -26,6 +26,7 @@
#include <android/gui/IScreenCaptureListener.h>
#include <android/gui/ITunnelModeEnabledListener.h>
#include <android/gui/IWindowInfosListener.h>
+#include <android/gui/IWindowInfosPublisher.h>
#include <binder/IBinder.h>
#include <binder/IInterface.h>
#include <gui/ITransactionCompletedListener.h>
diff --git a/libs/gui/include/gui/WindowInfosListenerReporter.h b/libs/gui/include/gui/WindowInfosListenerReporter.h
index 38cb108..684e21a 100644
--- a/libs/gui/include/gui/WindowInfosListenerReporter.h
+++ b/libs/gui/include/gui/WindowInfosListenerReporter.h
@@ -18,7 +18,7 @@
#include <android/gui/BnWindowInfosListener.h>
#include <android/gui/ISurfaceComposer.h>
-#include <android/gui/IWindowInfosReportedListener.h>
+#include <android/gui/IWindowInfosPublisher.h>
#include <binder/IBinder.h>
#include <gui/SpHash.h>
#include <gui/WindowInfosListener.h>
@@ -30,8 +30,7 @@
class WindowInfosListenerReporter : public gui::BnWindowInfosListener {
public:
static sp<WindowInfosListenerReporter> getInstance();
- binder::Status onWindowInfosChanged(const gui::WindowInfosUpdate& update,
- const sp<gui::IWindowInfosReportedListener>&) override;
+ binder::Status onWindowInfosChanged(const gui::WindowInfosUpdate& update) override;
status_t addWindowInfosListener(
const sp<gui::WindowInfosListener>& windowInfosListener,
const sp<gui::ISurfaceComposer>&,
@@ -47,5 +46,8 @@
std::vector<gui::WindowInfo> mLastWindowInfos GUARDED_BY(mListenersMutex);
std::vector<gui::DisplayInfo> mLastDisplayInfos GUARDED_BY(mListenersMutex);
+
+ sp<gui::IWindowInfosPublisher> mWindowInfosPublisher;
+ int64_t mListenerId;
};
} // namespace android
diff --git a/libs/gui/tests/Surface_test.cpp b/libs/gui/tests/Surface_test.cpp
index 096a43c..8d7cf07 100644
--- a/libs/gui/tests/Surface_test.cpp
+++ b/libs/gui/tests/Surface_test.cpp
@@ -998,7 +998,8 @@
}
binder::Status addWindowInfosListener(
- const sp<gui::IWindowInfosListener>& /*windowInfosListener*/) override {
+ const sp<gui::IWindowInfosListener>& /*windowInfosListener*/,
+ gui::WindowInfosListenerInfo* /*outInfo*/) override {
return binder::Status::ok();
}
diff --git a/services/surfaceflinger/BackgroundExecutor.cpp b/services/surfaceflinger/BackgroundExecutor.cpp
index 6ddf790..5a1ec6f 100644
--- a/services/surfaceflinger/BackgroundExecutor.cpp
+++ b/services/surfaceflinger/BackgroundExecutor.cpp
@@ -20,6 +20,7 @@
#define ATRACE_TAG ATRACE_TAG_GRAPHICS
#include <utils/Log.h>
+#include <mutex>
#include "BackgroundExecutor.h"
@@ -60,4 +61,17 @@
LOG_ALWAYS_FATAL_IF(sem_post(&mSemaphore), "sem_post failed");
}
+void BackgroundExecutor::flushQueue() {
+ std::mutex mutex;
+ std::condition_variable cv;
+ bool flushComplete = false;
+ sendCallbacks({[&]() {
+ std::scoped_lock lock{mutex};
+ flushComplete = true;
+ cv.notify_one();
+ }});
+ std::unique_lock<std::mutex> lock{mutex};
+ cv.wait(lock, [&]() { return flushComplete; });
+}
+
} // namespace android
diff --git a/services/surfaceflinger/BackgroundExecutor.h b/services/surfaceflinger/BackgroundExecutor.h
index 0fae5a5..66b7d7a 100644
--- a/services/surfaceflinger/BackgroundExecutor.h
+++ b/services/surfaceflinger/BackgroundExecutor.h
@@ -34,6 +34,7 @@
// Queues callbacks onto a work queue to be executed by a background thread.
// This is safe to call from multiple threads.
void sendCallbacks(Callbacks&& tasks);
+ void flushQueue();
private:
sem_t mSemaphore;
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index fe2db94..db205b8 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -6158,8 +6158,7 @@
windowInfosDebug.maxSendDelayVsyncId.value);
StringAppendF(&result, " max send delay (ns): %" PRId64 " ns\n",
windowInfosDebug.maxSendDelayDuration);
- StringAppendF(&result, " unsent messages: %" PRIu32 "\n",
- windowInfosDebug.pendingMessageCount);
+ StringAppendF(&result, " unsent messages: %zu\n", windowInfosDebug.pendingMessageCount);
result.append("\n");
}
@@ -7992,9 +7991,9 @@
forceApplyPolicy);
}
-status_t SurfaceFlinger::addWindowInfosListener(
- const sp<IWindowInfosListener>& windowInfosListener) {
- mWindowInfosListenerInvoker->addWindowInfosListener(windowInfosListener);
+status_t SurfaceFlinger::addWindowInfosListener(const sp<IWindowInfosListener>& windowInfosListener,
+ gui::WindowInfosListenerInfo* outInfo) {
+ mWindowInfosListenerInvoker->addWindowInfosListener(windowInfosListener, outInfo);
setTransactionFlags(eInputInfoUpdateNeeded);
return NO_ERROR;
}
@@ -9076,7 +9075,8 @@
}
binder::Status SurfaceComposerAIDL::addWindowInfosListener(
- const sp<gui::IWindowInfosListener>& windowInfosListener) {
+ const sp<gui::IWindowInfosListener>& windowInfosListener,
+ gui::WindowInfosListenerInfo* outInfo) {
status_t status;
const int pid = IPCThreadState::self()->getCallingPid();
const int uid = IPCThreadState::self()->getCallingUid();
@@ -9084,7 +9084,7 @@
// WindowInfosListeners
if (uid == AID_SYSTEM || uid == AID_GRAPHICS ||
checkPermission(sAccessSurfaceFlinger, pid, uid)) {
- status = mFlinger->addWindowInfosListener(windowInfosListener);
+ status = mFlinger->addWindowInfosListener(windowInfosListener, outInfo);
} else {
status = PERMISSION_DENIED;
}
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 0bc506f..d4700a4 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -612,7 +612,8 @@
status_t getMaxAcquiredBufferCount(int* buffers) const;
- status_t addWindowInfosListener(const sp<gui::IWindowInfosListener>& windowInfosListener);
+ status_t addWindowInfosListener(const sp<gui::IWindowInfosListener>& windowInfosListener,
+ gui::WindowInfosListenerInfo* outResult);
status_t removeWindowInfosListener(
const sp<gui::IWindowInfosListener>& windowInfosListener) const;
@@ -1556,8 +1557,8 @@
binder::Status setOverrideFrameRate(int32_t uid, float frameRate) override;
binder::Status getGpuContextPriority(int32_t* outPriority) override;
binder::Status getMaxAcquiredBufferCount(int32_t* buffers) override;
- binder::Status addWindowInfosListener(
- const sp<gui::IWindowInfosListener>& windowInfosListener) override;
+ binder::Status addWindowInfosListener(const sp<gui::IWindowInfosListener>& windowInfosListener,
+ gui::WindowInfosListenerInfo* outInfo) override;
binder::Status removeWindowInfosListener(
const sp<gui::IWindowInfosListener>& windowInfosListener) override;
diff --git a/services/surfaceflinger/WindowInfosListenerInvoker.cpp b/services/surfaceflinger/WindowInfosListenerInvoker.cpp
index 20699ef..7062a4e 100644
--- a/services/surfaceflinger/WindowInfosListenerInvoker.cpp
+++ b/services/surfaceflinger/WindowInfosListenerInvoker.cpp
@@ -14,7 +14,9 @@
* limitations under the License.
*/
-#include <ftl/small_vector.h>
+#include <android/gui/BnWindowInfosPublisher.h>
+#include <android/gui/IWindowInfosPublisher.h>
+#include <android/gui/WindowInfosListenerInfo.h>
#include <gui/ISurfaceComposer.h>
#include <gui/TraceUtils.h>
#include <gui/WindowInfosUpdate.h>
@@ -23,162 +25,130 @@
#include "BackgroundExecutor.h"
#include "WindowInfosListenerInvoker.h"
+#undef ATRACE_TAG
+#define ATRACE_TAG ATRACE_TAG_GRAPHICS
+
namespace android {
using gui::DisplayInfo;
using gui::IWindowInfosListener;
using gui::WindowInfo;
-using WindowInfosListenerVector = ftl::SmallVector<const sp<gui::IWindowInfosListener>, 3>;
+void WindowInfosListenerInvoker::addWindowInfosListener(sp<IWindowInfosListener> listener,
+ gui::WindowInfosListenerInfo* outInfo) {
+ int64_t listenerId = mNextListenerId++;
+ outInfo->listenerId = listenerId;
+ outInfo->windowInfosPublisher = sp<gui::IWindowInfosPublisher>::fromExisting(this);
-struct WindowInfosReportedListenerInvoker : gui::BnWindowInfosReportedListener,
- IBinder::DeathRecipient {
- WindowInfosReportedListenerInvoker(WindowInfosListenerVector windowInfosListeners,
- WindowInfosReportedListenerSet windowInfosReportedListeners)
- : mCallbacksPending(windowInfosListeners.size()),
- mWindowInfosListeners(std::move(windowInfosListeners)),
- mWindowInfosReportedListeners(std::move(windowInfosReportedListeners)) {}
-
- binder::Status onWindowInfosReported() override {
- if (--mCallbacksPending == 0) {
- for (const auto& listener : mWindowInfosReportedListeners) {
+ BackgroundExecutor::getInstance().sendCallbacks(
+ {[this, listener = std::move(listener), listenerId]() {
+ ATRACE_NAME("WindowInfosListenerInvoker::addWindowInfosListener");
sp<IBinder> asBinder = IInterface::asBinder(listener);
- if (asBinder->isBinderAlive()) {
- listener->onWindowInfosReported();
- }
- }
-
- auto wpThis = wp<WindowInfosReportedListenerInvoker>::fromExisting(this);
- for (const auto& listener : mWindowInfosListeners) {
- sp<IBinder> binder = IInterface::asBinder(listener);
- binder->unlinkToDeath(wpThis);
- }
- }
- return binder::Status::ok();
- }
-
- void binderDied(const wp<IBinder>&) { onWindowInfosReported(); }
-
-private:
- std::atomic<size_t> mCallbacksPending;
- static constexpr size_t kStaticCapacity = 3;
- const WindowInfosListenerVector mWindowInfosListeners;
- WindowInfosReportedListenerSet mWindowInfosReportedListeners;
-};
-
-void WindowInfosListenerInvoker::addWindowInfosListener(sp<IWindowInfosListener> listener) {
- sp<IBinder> asBinder = IInterface::asBinder(listener);
- asBinder->linkToDeath(sp<DeathRecipient>::fromExisting(this));
-
- std::scoped_lock lock(mListenersMutex);
- mWindowInfosListeners.try_emplace(asBinder, std::move(listener));
+ asBinder->linkToDeath(sp<DeathRecipient>::fromExisting(this));
+ mWindowInfosListeners.try_emplace(asBinder,
+ std::make_pair(listenerId, std::move(listener)));
+ }});
}
void WindowInfosListenerInvoker::removeWindowInfosListener(
const sp<IWindowInfosListener>& listener) {
- sp<IBinder> asBinder = IInterface::asBinder(listener);
-
- std::scoped_lock lock(mListenersMutex);
- asBinder->unlinkToDeath(sp<DeathRecipient>::fromExisting(this));
- mWindowInfosListeners.erase(asBinder);
+ BackgroundExecutor::getInstance().sendCallbacks({[this, listener]() {
+ ATRACE_NAME("WindowInfosListenerInvoker::removeWindowInfosListener");
+ sp<IBinder> asBinder = IInterface::asBinder(listener);
+ asBinder->unlinkToDeath(sp<DeathRecipient>::fromExisting(this));
+ mWindowInfosListeners.erase(asBinder);
+ }});
}
void WindowInfosListenerInvoker::binderDied(const wp<IBinder>& who) {
- std::scoped_lock lock(mListenersMutex);
- mWindowInfosListeners.erase(who);
+ BackgroundExecutor::getInstance().sendCallbacks({[this, who]() {
+ ATRACE_NAME("WindowInfosListenerInvoker::binderDied");
+ auto it = mWindowInfosListeners.find(who);
+ int64_t listenerId = it->second.first;
+ mWindowInfosListeners.erase(who);
+
+ std::vector<int64_t> vsyncIds;
+ for (auto& [vsyncId, state] : mUnackedState) {
+ if (std::find(state.unackedListenerIds.begin(), state.unackedListenerIds.end(),
+ listenerId) != state.unackedListenerIds.end()) {
+ vsyncIds.push_back(vsyncId);
+ }
+ }
+
+ for (int64_t vsyncId : vsyncIds) {
+ ackWindowInfosReceived(vsyncId, listenerId);
+ }
+ }});
}
void WindowInfosListenerInvoker::windowInfosChanged(
gui::WindowInfosUpdate update, WindowInfosReportedListenerSet reportedListeners,
bool forceImmediateCall) {
- WindowInfosListenerVector listeners;
- {
- std::scoped_lock lock{mMessagesMutex};
+ if (!mDelayInfo) {
+ mDelayInfo = DelayInfo{
+ .vsyncId = update.vsyncId,
+ .frameTime = update.timestamp,
+ };
+ }
- if (!mDelayInfo) {
- mDelayInfo = DelayInfo{
- .vsyncId = update.vsyncId,
- .frameTime = update.timestamp,
- };
- }
+ // If there are unacked messages and this isn't a forced call, then return immediately.
+ // If a forced window infos change doesn't happen first, the update will be sent after
+ // the WindowInfosReportedListeners are called. If a forced window infos change happens or
+ // if there are subsequent delayed messages before this update is sent, then this message
+ // will be dropped and the listeners will only be called with the latest info. This is done
+ // to reduce the amount of binder memory used.
+ if (!mUnackedState.empty() && !forceImmediateCall) {
+ mDelayedUpdate = std::move(update);
+ mReportedListeners.merge(reportedListeners);
+ return;
+ }
- // If there are unacked messages and this isn't a forced call, then return immediately.
- // If a forced window infos change doesn't happen first, the update will be sent after
- // the WindowInfosReportedListeners are called. If a forced window infos change happens or
- // if there are subsequent delayed messages before this update is sent, then this message
- // will be dropped and the listeners will only be called with the latest info. This is done
- // to reduce the amount of binder memory used.
- if (mActiveMessageCount > 0 && !forceImmediateCall) {
- mDelayedUpdate = std::move(update);
- mReportedListeners.merge(reportedListeners);
- return;
- }
+ if (mDelayedUpdate) {
+ mDelayedUpdate.reset();
+ }
- if (mDelayedUpdate) {
- mDelayedUpdate.reset();
- }
-
- {
- std::scoped_lock lock{mListenersMutex};
- for (const auto& [_, listener] : mWindowInfosListeners) {
- listeners.push_back(listener);
- }
- }
- if (CC_UNLIKELY(listeners.empty())) {
- mReportedListeners.merge(reportedListeners);
- mDelayInfo.reset();
- return;
- }
-
- reportedListeners.insert(sp<WindowInfosListenerInvoker>::fromExisting(this));
- reportedListeners.merge(mReportedListeners);
- mReportedListeners.clear();
-
- mActiveMessageCount++;
- updateMaxSendDelay();
+ if (CC_UNLIKELY(mWindowInfosListeners.empty())) {
+ mReportedListeners.merge(reportedListeners);
mDelayInfo.reset();
+ return;
}
- auto reportedInvoker =
- sp<WindowInfosReportedListenerInvoker>::make(listeners, std::move(reportedListeners));
+ reportedListeners.merge(mReportedListeners);
+ mReportedListeners.clear();
- for (const auto& listener : listeners) {
- sp<IBinder> asBinder = IInterface::asBinder(listener);
+ // Update mUnackedState to include the message we're about to send
+ auto [it, _] = mUnackedState.try_emplace(update.vsyncId,
+ UnackedState{.reportedListeners =
+ std::move(reportedListeners)});
+ auto& unackedState = it->second;
+ for (auto& pair : mWindowInfosListeners) {
+ int64_t listenerId = pair.second.first;
+ unackedState.unackedListenerIds.push_back(listenerId);
+ }
- // linkToDeath is used here to ensure that the windowInfosReportedListeners
- // are called even if one of the windowInfosListeners dies before
- // calling onWindowInfosReported.
- asBinder->linkToDeath(reportedInvoker);
+ mDelayInfo.reset();
+ updateMaxSendDelay();
- auto status = listener->onWindowInfosChanged(update, reportedInvoker);
+ // Call the listeners
+ for (auto& pair : mWindowInfosListeners) {
+ auto& [listenerId, listener] = pair.second;
+ auto status = listener->onWindowInfosChanged(update);
if (!status.isOk()) {
- reportedInvoker->onWindowInfosReported();
+ ackWindowInfosReceived(update.vsyncId, listenerId);
}
}
}
-binder::Status WindowInfosListenerInvoker::onWindowInfosReported() {
- BackgroundExecutor::getInstance().sendCallbacks({[this]() {
- gui::WindowInfosUpdate update;
- {
- std::scoped_lock lock{mMessagesMutex};
- mActiveMessageCount--;
- if (!mDelayedUpdate || mActiveMessageCount > 0) {
- return;
- }
- update = std::move(*mDelayedUpdate);
- mDelayedUpdate.reset();
- }
- windowInfosChanged(std::move(update), {}, false);
- }});
- return binder::Status::ok();
-}
-
WindowInfosListenerInvoker::DebugInfo WindowInfosListenerInvoker::getDebugInfo() {
- std::scoped_lock lock{mMessagesMutex};
- updateMaxSendDelay();
- mDebugInfo.pendingMessageCount = mActiveMessageCount;
- return mDebugInfo;
+ DebugInfo result;
+ BackgroundExecutor::getInstance().sendCallbacks({[&, this]() {
+ ATRACE_NAME("WindowInfosListenerInvoker::getDebugInfo");
+ updateMaxSendDelay();
+ result = mDebugInfo;
+ result.pendingMessageCount = mUnackedState.size();
+ }});
+ BackgroundExecutor::getInstance().flushQueue();
+ return result;
}
void WindowInfosListenerInvoker::updateMaxSendDelay() {
@@ -192,4 +162,41 @@
}
}
+binder::Status WindowInfosListenerInvoker::ackWindowInfosReceived(int64_t vsyncId,
+ int64_t listenerId) {
+ BackgroundExecutor::getInstance().sendCallbacks({[this, vsyncId, listenerId]() {
+ ATRACE_NAME("WindowInfosListenerInvoker::ackWindowInfosReceived");
+ auto it = mUnackedState.find(vsyncId);
+ if (it == mUnackedState.end()) {
+ return;
+ }
+
+ auto& state = it->second;
+ state.unackedListenerIds.unstable_erase(std::find(state.unackedListenerIds.begin(),
+ state.unackedListenerIds.end(),
+ listenerId));
+ if (!state.unackedListenerIds.empty()) {
+ return;
+ }
+
+ WindowInfosReportedListenerSet reportedListeners{std::move(state.reportedListeners)};
+ mUnackedState.erase(vsyncId);
+
+ for (const auto& reportedListener : reportedListeners) {
+ sp<IBinder> asBinder = IInterface::asBinder(reportedListener);
+ if (asBinder->isBinderAlive()) {
+ reportedListener->onWindowInfosReported();
+ }
+ }
+
+ if (!mDelayedUpdate || !mUnackedState.empty()) {
+ return;
+ }
+ gui::WindowInfosUpdate update{std::move(*mDelayedUpdate)};
+ mDelayedUpdate.reset();
+ windowInfosChanged(std::move(update), {}, false);
+ }});
+ return binder::Status::ok();
+}
+
} // namespace android
diff --git a/services/surfaceflinger/WindowInfosListenerInvoker.h b/services/surfaceflinger/WindowInfosListenerInvoker.h
index bc465a3..f36b0ed 100644
--- a/services/surfaceflinger/WindowInfosListenerInvoker.h
+++ b/services/surfaceflinger/WindowInfosListenerInvoker.h
@@ -19,11 +19,12 @@
#include <optional>
#include <unordered_set>
-#include <android/gui/BnWindowInfosReportedListener.h>
+#include <android/gui/BnWindowInfosPublisher.h>
#include <android/gui/IWindowInfosListener.h>
#include <android/gui/IWindowInfosReportedListener.h>
#include <binder/IBinder.h>
#include <ftl/small_map.h>
+#include <ftl/small_vector.h>
#include <gui/SpHash.h>
#include <utils/Mutex.h>
@@ -35,22 +36,22 @@
std::unordered_set<sp<gui::IWindowInfosReportedListener>,
gui::SpHash<gui::IWindowInfosReportedListener>>;
-class WindowInfosListenerInvoker : public gui::BnWindowInfosReportedListener,
+class WindowInfosListenerInvoker : public gui::BnWindowInfosPublisher,
public IBinder::DeathRecipient {
public:
- void addWindowInfosListener(sp<gui::IWindowInfosListener>);
+ void addWindowInfosListener(sp<gui::IWindowInfosListener>, gui::WindowInfosListenerInfo*);
void removeWindowInfosListener(const sp<gui::IWindowInfosListener>& windowInfosListener);
void windowInfosChanged(gui::WindowInfosUpdate update,
WindowInfosReportedListenerSet windowInfosReportedListeners,
bool forceImmediateCall);
- binder::Status onWindowInfosReported() override;
+ binder::Status ackWindowInfosReceived(int64_t, int64_t) override;
struct DebugInfo {
VsyncId maxSendDelayVsyncId;
nsecs_t maxSendDelayDuration;
- uint32_t pendingMessageCount;
+ size_t pendingMessageCount;
};
DebugInfo getDebugInfo();
@@ -58,24 +59,28 @@
void binderDied(const wp<IBinder>& who) override;
private:
- std::mutex mListenersMutex;
-
static constexpr size_t kStaticCapacity = 3;
- ftl::SmallMap<wp<IBinder>, const sp<gui::IWindowInfosListener>, kStaticCapacity>
- mWindowInfosListeners GUARDED_BY(mListenersMutex);
+ std::atomic<int64_t> mNextListenerId{0};
+ ftl::SmallMap<wp<IBinder>, const std::pair<int64_t, sp<gui::IWindowInfosListener>>,
+ kStaticCapacity>
+ mWindowInfosListeners;
- std::mutex mMessagesMutex;
- uint32_t mActiveMessageCount GUARDED_BY(mMessagesMutex) = 0;
- std::optional<gui::WindowInfosUpdate> mDelayedUpdate GUARDED_BY(mMessagesMutex);
+ std::optional<gui::WindowInfosUpdate> mDelayedUpdate;
WindowInfosReportedListenerSet mReportedListeners;
- DebugInfo mDebugInfo GUARDED_BY(mMessagesMutex);
+ struct UnackedState {
+ ftl::SmallVector<int64_t, kStaticCapacity> unackedListenerIds;
+ WindowInfosReportedListenerSet reportedListeners;
+ };
+ ftl::SmallMap<int64_t /* vsyncId */, UnackedState, 5> mUnackedState;
+
+ DebugInfo mDebugInfo;
struct DelayInfo {
int64_t vsyncId;
nsecs_t frameTime;
};
- std::optional<DelayInfo> mDelayInfo GUARDED_BY(mMessagesMutex);
- void updateMaxSendDelay() REQUIRES(mMessagesMutex);
+ std::optional<DelayInfo> mDelayInfo;
+ void updateMaxSendDelay();
};
} // namespace android
diff --git a/services/surfaceflinger/tests/unittests/WindowInfosListenerInvokerTest.cpp b/services/surfaceflinger/tests/unittests/WindowInfosListenerInvokerTest.cpp
index af4971b..c7b845e 100644
--- a/services/surfaceflinger/tests/unittests/WindowInfosListenerInvokerTest.cpp
+++ b/services/surfaceflinger/tests/unittests/WindowInfosListenerInvokerTest.cpp
@@ -15,35 +15,23 @@
WindowInfosListenerInvokerTest() : mInvoker(sp<WindowInfosListenerInvoker>::make()) {}
~WindowInfosListenerInvokerTest() {
- std::mutex mutex;
- std::condition_variable cv;
- bool flushComplete = false;
// Flush the BackgroundExecutor thread to ensure any scheduled tasks are complete.
// Otherwise, references those tasks hold may go out of scope before they are done
// executing.
- BackgroundExecutor::getInstance().sendCallbacks({[&]() {
- std::scoped_lock lock{mutex};
- flushComplete = true;
- cv.notify_one();
- }});
- std::unique_lock<std::mutex> lock{mutex};
- cv.wait(lock, [&]() { return flushComplete; });
+ BackgroundExecutor::getInstance().flushQueue();
}
sp<WindowInfosListenerInvoker> mInvoker;
};
-using WindowInfosUpdateConsumer = std::function<void(const gui::WindowInfosUpdate&,
- const sp<gui::IWindowInfosReportedListener>&)>;
+using WindowInfosUpdateConsumer = std::function<void(const gui::WindowInfosUpdate&)>;
class Listener : public gui::BnWindowInfosListener {
public:
Listener(WindowInfosUpdateConsumer consumer) : mConsumer(std::move(consumer)) {}
- binder::Status onWindowInfosChanged(
- const gui::WindowInfosUpdate& update,
- const sp<gui::IWindowInfosReportedListener>& reportedListener) override {
- mConsumer(update, reportedListener);
+ binder::Status onWindowInfosChanged(const gui::WindowInfosUpdate& update) override {
+ mConsumer(update);
return binder::Status::ok();
}
@@ -58,15 +46,17 @@
int callCount = 0;
- mInvoker->addWindowInfosListener(
- sp<Listener>::make([&](const gui::WindowInfosUpdate&,
- const sp<gui::IWindowInfosReportedListener>& reportedListener) {
- std::scoped_lock lock{mutex};
- callCount++;
- cv.notify_one();
+ gui::WindowInfosListenerInfo listenerInfo;
+ mInvoker->addWindowInfosListener(sp<Listener>::make([&](const gui::WindowInfosUpdate& update) {
+ std::scoped_lock lock{mutex};
+ callCount++;
+ cv.notify_one();
- reportedListener->onWindowInfosReported();
- }));
+ listenerInfo.windowInfosPublisher
+ ->ackWindowInfosReceived(update.vsyncId,
+ listenerInfo.listenerId);
+ }),
+ &listenerInfo);
BackgroundExecutor::getInstance().sendCallbacks(
{[this]() { mInvoker->windowInfosChanged({}, {}, false); }});
@@ -81,21 +71,27 @@
std::mutex mutex;
std::condition_variable cv;
- int callCount = 0;
- const int expectedCallCount = 3;
+ size_t callCount = 0;
+ const size_t expectedCallCount = 3;
+ std::vector<gui::WindowInfosListenerInfo> listenerInfos{expectedCallCount,
+ gui::WindowInfosListenerInfo{}};
- for (int i = 0; i < expectedCallCount; i++) {
- mInvoker->addWindowInfosListener(sp<Listener>::make(
- [&](const gui::WindowInfosUpdate&,
- const sp<gui::IWindowInfosReportedListener>& reportedListener) {
- std::scoped_lock lock{mutex};
- callCount++;
- if (callCount == expectedCallCount) {
- cv.notify_one();
- }
+ for (size_t i = 0; i < expectedCallCount; i++) {
+ mInvoker->addWindowInfosListener(sp<Listener>::make([&, &listenerInfo = listenerInfos[i]](
+ const gui::WindowInfosUpdate&
+ update) {
+ std::scoped_lock lock{mutex};
+ callCount++;
+ if (callCount == expectedCallCount) {
+ cv.notify_one();
+ }
- reportedListener->onWindowInfosReported();
- }));
+ listenerInfo.windowInfosPublisher
+ ->ackWindowInfosReceived(update.vsyncId,
+ listenerInfo
+ .listenerId);
+ }),
+ &listenerInfos[i]);
}
BackgroundExecutor::getInstance().sendCallbacks(
@@ -114,17 +110,20 @@
int callCount = 0;
- // Simulate a slow ack by not calling the WindowInfosReportedListener.
- mInvoker->addWindowInfosListener(sp<Listener>::make(
- [&](const gui::WindowInfosUpdate&, const sp<gui::IWindowInfosReportedListener>&) {
- std::scoped_lock lock{mutex};
- callCount++;
- cv.notify_one();
- }));
+ // Simulate a slow ack by not calling IWindowInfosPublisher.ackWindowInfosReceived
+ gui::WindowInfosListenerInfo listenerInfo;
+ mInvoker->addWindowInfosListener(sp<Listener>::make([&](const gui::WindowInfosUpdate&) {
+ std::scoped_lock lock{mutex};
+ callCount++;
+ cv.notify_one();
+ }),
+ &listenerInfo);
BackgroundExecutor::getInstance().sendCallbacks({[&]() {
- mInvoker->windowInfosChanged({}, {}, false);
- mInvoker->windowInfosChanged({}, {}, false);
+ mInvoker->windowInfosChanged(gui::WindowInfosUpdate{{}, {}, /* vsyncId= */ 0, 0}, {},
+ false);
+ mInvoker->windowInfosChanged(gui::WindowInfosUpdate{{}, {}, /* vsyncId= */ 1, 0}, {},
+ false);
}});
{
@@ -134,7 +133,7 @@
EXPECT_EQ(callCount, 1);
// Ack the first message.
- mInvoker->onWindowInfosReported();
+ listenerInfo.windowInfosPublisher->ackWindowInfosReceived(0, listenerInfo.listenerId);
{
std::unique_lock lock{mutex};
@@ -152,19 +151,21 @@
int callCount = 0;
const int expectedCallCount = 2;
- // Simulate a slow ack by not calling the WindowInfosReportedListener.
- mInvoker->addWindowInfosListener(sp<Listener>::make(
- [&](const gui::WindowInfosUpdate&, const sp<gui::IWindowInfosReportedListener>&) {
- std::scoped_lock lock{mutex};
- callCount++;
- if (callCount == expectedCallCount) {
- cv.notify_one();
- }
- }));
+ // Simulate a slow ack by not calling IWindowInfosPublisher.ackWindowInfosReceived
+ gui::WindowInfosListenerInfo listenerInfo;
+ mInvoker->addWindowInfosListener(sp<Listener>::make([&](const gui::WindowInfosUpdate&) {
+ std::scoped_lock lock{mutex};
+ callCount++;
+ if (callCount == expectedCallCount) {
+ cv.notify_one();
+ }
+ }),
+ &listenerInfo);
BackgroundExecutor::getInstance().sendCallbacks({[&]() {
- mInvoker->windowInfosChanged({}, {}, false);
- mInvoker->windowInfosChanged({}, {}, true);
+ mInvoker->windowInfosChanged(gui::WindowInfosUpdate{{}, {}, /* vsyncId= */ 0, 0}, {},
+ false);
+ mInvoker->windowInfosChanged(gui::WindowInfosUpdate{{}, {}, /* vsyncId= */ 1, 0}, {}, true);
}});
{
@@ -182,14 +183,14 @@
int64_t lastUpdateId = -1;
- // Simulate a slow ack by not calling the WindowInfosReportedListener.
- mInvoker->addWindowInfosListener(
- sp<Listener>::make([&](const gui::WindowInfosUpdate& update,
- const sp<gui::IWindowInfosReportedListener>&) {
- std::scoped_lock lock{mutex};
- lastUpdateId = update.vsyncId;
- cv.notify_one();
- }));
+ // Simulate a slow ack by not calling IWindowInfosPublisher.ackWindowInfosReceived
+ gui::WindowInfosListenerInfo listenerInfo;
+ mInvoker->addWindowInfosListener(sp<Listener>::make([&](const gui::WindowInfosUpdate& update) {
+ std::scoped_lock lock{mutex};
+ lastUpdateId = update.vsyncId;
+ cv.notify_one();
+ }),
+ &listenerInfo);
BackgroundExecutor::getInstance().sendCallbacks({[&]() {
mInvoker->windowInfosChanged({{}, {}, /* vsyncId= */ 1, 0}, {}, false);
@@ -204,7 +205,7 @@
EXPECT_EQ(lastUpdateId, 1);
// Ack the first message. The third update should be sent.
- mInvoker->onWindowInfosReported();
+ listenerInfo.windowInfosPublisher->ackWindowInfosReceived(1, listenerInfo.listenerId);
{
std::unique_lock lock{mutex};
@@ -225,14 +226,17 @@
// delayed.
BackgroundExecutor::getInstance().sendCallbacks({[&]() {
mInvoker->windowInfosChanged({}, {}, false);
- mInvoker->addWindowInfosListener(sp<Listener>::make(
- [&](const gui::WindowInfosUpdate&, const sp<gui::IWindowInfosReportedListener>&) {
- std::scoped_lock lock{mutex};
- callCount++;
- cv.notify_one();
- }));
- mInvoker->windowInfosChanged({}, {}, false);
+ gui::WindowInfosListenerInfo listenerInfo;
+ mInvoker->addWindowInfosListener(sp<Listener>::make([&](const gui::WindowInfosUpdate&) {
+ std::scoped_lock lock{mutex};
+ callCount++;
+ cv.notify_one();
+ }),
+ &listenerInfo);
}});
+ BackgroundExecutor::getInstance().flushQueue();
+ BackgroundExecutor::getInstance().sendCallbacks(
+ {[&]() { mInvoker->windowInfosChanged({}, {}, false); }});
{
std::unique_lock lock{mutex};
