| /* |
| * Copyright 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "Scheduler.h" |
| |
| #include <cinttypes> |
| #include <cstdint> |
| #include <memory> |
| |
| #include <gui/ISurfaceComposer.h> |
| |
| #include "DispSync.h" |
| #include "DispSyncSource.h" |
| #include "EventThread.h" |
| #include "InjectVSyncSource.h" |
| |
| namespace android { |
| |
| #define RETURN_VALUE_IF_INVALID(value) \ |
| if (handle == nullptr || mConnections.count(handle->id) == 0) return value |
| #define RETURN_IF_INVALID() \ |
| if (handle == nullptr || mConnections.count(handle->id) == 0) return |
| |
| std::atomic<int64_t> Scheduler::sNextId = 0; |
| |
| Scheduler::~Scheduler() = default; |
| |
| sp<Scheduler::ConnectionHandle> Scheduler::createConnection( |
| const char* connectionName, DispSync* dispSync, int64_t phaseOffsetNs, |
| impl::EventThread::ResyncWithRateLimitCallback resyncCallback, |
| impl::EventThread::InterceptVSyncsCallback interceptCallback) { |
| const int64_t id = sNextId++; |
| ALOGV("Creating a connection handle with ID: %" PRId64 "\n", id); |
| |
| std::unique_ptr<EventThread> eventThread = |
| makeEventThread(connectionName, dispSync, phaseOffsetNs, resyncCallback, |
| interceptCallback); |
| auto connection = std::make_unique<Connection>(new ConnectionHandle(id), |
| eventThread->createEventConnection(), |
| std::move(eventThread)); |
| mConnections.insert(std::make_pair(id, std::move(connection))); |
| return mConnections[id]->handle; |
| } |
| |
| std::unique_ptr<EventThread> Scheduler::makeEventThread( |
| const char* connectionName, DispSync* dispSync, int64_t phaseOffsetNs, |
| impl::EventThread::ResyncWithRateLimitCallback resyncCallback, |
| impl::EventThread::InterceptVSyncsCallback interceptCallback) { |
| std::unique_ptr<VSyncSource> eventThreadSource = |
| std::make_unique<DispSyncSource>(dispSync, phaseOffsetNs, true, connectionName); |
| return std::make_unique<impl::EventThread>(std::move(eventThreadSource), resyncCallback, |
| interceptCallback, connectionName); |
| } |
| |
| sp<IDisplayEventConnection> Scheduler::createDisplayEventConnection( |
| const sp<Scheduler::ConnectionHandle>& handle) { |
| RETURN_VALUE_IF_INVALID(nullptr); |
| return mConnections[handle->id]->thread->createEventConnection(); |
| } |
| |
| EventThread* Scheduler::getEventThread(const sp<Scheduler::ConnectionHandle>& handle) { |
| RETURN_VALUE_IF_INVALID(nullptr); |
| return mConnections[handle->id]->thread.get(); |
| } |
| |
| sp<BnDisplayEventConnection> Scheduler::getEventConnection(const sp<ConnectionHandle>& handle) { |
| RETURN_VALUE_IF_INVALID(nullptr); |
| return mConnections[handle->id]->eventConnection; |
| } |
| |
| void Scheduler::hotplugReceived(const sp<Scheduler::ConnectionHandle>& handle, |
| EventThread::DisplayType displayType, bool connected) { |
| RETURN_IF_INVALID(); |
| mConnections[handle->id]->thread->onHotplugReceived(displayType, connected); |
| } |
| |
| void Scheduler::onScreenAcquired(const sp<Scheduler::ConnectionHandle>& handle) { |
| RETURN_IF_INVALID(); |
| mConnections[handle->id]->thread->onScreenAcquired(); |
| } |
| |
| void Scheduler::onScreenReleased(const sp<Scheduler::ConnectionHandle>& handle) { |
| RETURN_IF_INVALID(); |
| mConnections[handle->id]->thread->onScreenReleased(); |
| } |
| |
| void Scheduler::dump(const sp<Scheduler::ConnectionHandle>& handle, String8& result) const { |
| RETURN_IF_INVALID(); |
| mConnections.at(handle->id)->thread->dump(result); |
| } |
| |
| void Scheduler::setPhaseOffset(const sp<Scheduler::ConnectionHandle>& handle, nsecs_t phaseOffset) { |
| RETURN_IF_INVALID(); |
| mConnections[handle->id]->thread->setPhaseOffset(phaseOffset); |
| } |
| } // namespace android |