338 lines
12 KiB
C++
338 lines
12 KiB
C++
/*
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* Copyright (C) 2009 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define ATRACE_TAG ATRACE_TAG_GRAPHICS
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#include <binder/IPCThreadState.h>
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#include <gui/DisplayEventReceiver.h>
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#include <utils/Log.h>
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#include <utils/Timers.h>
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#include <utils/threads.h>
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#include <scheduler/interface/ICompositor.h>
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#include "EventThread.h"
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#include "FrameTimeline.h"
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#include "MessageQueue.h"
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#ifdef MTK_SF_MSYNC
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#include "../mediatek/MSync/MSyncSfApi.h"
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#include <android-base/properties.h>
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#endif
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#ifdef MTK_SF_MSYNC_3
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#include <gui/TraceUtils.h>
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#endif
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namespace android::impl {
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#ifdef MTK_SF_MSYNC
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static bool isShowM2Trace() {
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static bool enable = false;
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static bool read = false;
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if (!read) {
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enable = android::base::GetBoolProperty("vendor.debug.sf.show_msync2_trace", false);
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read = true;
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}
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return enable;
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}
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#define M2_TRACE(x, ...) \
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{ \
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if (isShowM2Trace()) { \
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ATRACE_FORMAT("msync2_sf: " x, ##__VA_ARGS__); \
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ALOGI("msync2_sf: " x, ##__VA_ARGS__); \
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} \
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}
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#endif
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void MessageQueue::Handler::dispatchFrame(VsyncId vsyncId, TimePoint expectedVsyncTime) {
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if (!mFramePending.exchange(true)) {
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mVsyncId = vsyncId;
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mExpectedVsyncTime = expectedVsyncTime;
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mQueue.mLooper->sendMessage(sp<MessageHandler>::fromExisting(this), Message());
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}
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}
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bool MessageQueue::Handler::isFramePending() const {
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return mFramePending.load();
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}
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void MessageQueue::Handler::handleMessage(const Message&) {
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mFramePending.store(false);
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mQueue.onFrameSignal(mQueue.mCompositor, mVsyncId, mExpectedVsyncTime);
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}
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MessageQueue::MessageQueue(ICompositor& compositor)
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: MessageQueue(compositor, sp<Handler>::make(*this)) {}
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constexpr bool kAllowNonCallbacks = true;
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MessageQueue::MessageQueue(ICompositor& compositor, sp<Handler> handler)
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: mCompositor(compositor),
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mLooper(sp<Looper>::make(kAllowNonCallbacks)),
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mHandler(std::move(handler)) {}
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void MessageQueue::vsyncCallback(nsecs_t vsyncTime, nsecs_t targetWakeupTime, nsecs_t readyTime) {
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/*#ifdef MTK_SF_MSYNC
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{
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std::lock_guard lock(mVsync.mutex);
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M2_TRACE("vsyncCallback, vsyncTime=%" PRId64 ", readyTime=%" PRId64, vsyncTime, readyTime);
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if (mVsyncCanceled && vsyncTime == readyTime) {
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mVsyncCanceled = false;
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M2_TRACE("Ignore AOSP vsyncCallback");
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return;
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}
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}
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#endif*/
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ATRACE_CALL();
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// Trace VSYNC-sf
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mVsync.value = (mVsync.value + 1) % 2;
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#ifdef MTK_ATRACE_PRESENT_FENCE
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mVsyncSfToggleTime = systemTime();
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#endif
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const auto expectedVsyncTime = TimePoint::fromNs(vsyncTime);
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#ifdef MTK_VSYNC_HINT_SUPPORT
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VSyncHinter::getInstance().onDispSyncEvent(mVSyncInfo, 0);
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#endif
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{
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std::lock_guard lock(mVsync.mutex);
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mVsync.lastCallbackTime = expectedVsyncTime;
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mVsync.scheduledFrameTime.reset();
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}
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const auto vsyncId = VsyncId{mVsync.tokenManager->generateTokenForPredictions(
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{targetWakeupTime, readyTime, vsyncTime})};
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mHandler->dispatchFrame(vsyncId, expectedVsyncTime);
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}
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void MessageQueue::initVsync(std::shared_ptr<scheduler::VSyncDispatch> dispatch,
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frametimeline::TokenManager& tokenManager,
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std::chrono::nanoseconds workDuration) {
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std::unique_ptr<scheduler::VSyncCallbackRegistration> oldRegistration;
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{
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std::lock_guard lock(mVsync.mutex);
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mVsync.workDuration = workDuration;
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mVsync.tokenManager = &tokenManager;
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oldRegistration = onNewVsyncScheduleLocked(std::move(dispatch));
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}
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// See comments in onNewVsyncSchedule. Today, oldRegistration should be
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// empty, but nothing prevents us from calling initVsync multiple times, so
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// go ahead and destruct it outside the lock for safety.
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oldRegistration.reset();
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}
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void MessageQueue::onNewVsyncSchedule(std::shared_ptr<scheduler::VSyncDispatch> dispatch) {
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std::unique_ptr<scheduler::VSyncCallbackRegistration> oldRegistration;
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{
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std::lock_guard lock(mVsync.mutex);
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oldRegistration = onNewVsyncScheduleLocked(std::move(dispatch));
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}
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// The old registration needs to be deleted after releasing mVsync.mutex to
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// avoid deadlock. This is because the callback may be running on the timer
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// thread. In that case, timerCallback sets
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// VSyncDispatchTimerQueueEntry::mRunning to true, then attempts to lock
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// mVsync.mutex. But if it's already locked, the VSyncCallbackRegistration's
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// destructor has to wait until VSyncDispatchTimerQueueEntry::mRunning is
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// set back to false, but it won't be until mVsync.mutex is released.
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oldRegistration.reset();
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}
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std::unique_ptr<scheduler::VSyncCallbackRegistration> MessageQueue::onNewVsyncScheduleLocked(
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std::shared_ptr<scheduler::VSyncDispatch> dispatch) {
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const bool reschedule = mVsync.registration &&
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mVsync.registration->cancel() == scheduler::CancelResult::Cancelled;
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auto oldRegistration = std::move(mVsync.registration);
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mVsync.registration = std::make_unique<
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scheduler::VSyncCallbackRegistration>(std::move(dispatch),
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std::bind(&MessageQueue::vsyncCallback, this,
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std::placeholders::_1,
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std::placeholders::_2,
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std::placeholders::_3),
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"sf");
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#ifdef MTK_VSYNC_HINT_SUPPORT
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VSyncHinter::getInstance().fillVSyncInfo(mVSyncInfo, "sf");
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#endif
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if (reschedule) {
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mVsync.scheduledFrameTime =
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mVsync.registration->schedule({.workDuration = mVsync.workDuration.get().count(),
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.readyDuration = 0,
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.earliestVsync = mVsync.lastCallbackTime.ns()});
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}
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return oldRegistration;
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}
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void MessageQueue::destroyVsync() {
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std::lock_guard lock(mVsync.mutex);
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mVsync.tokenManager = nullptr;
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mVsync.registration.reset();
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}
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void MessageQueue::setDuration(std::chrono::nanoseconds workDuration) {
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ATRACE_CALL();
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std::lock_guard lock(mVsync.mutex);
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mVsync.workDuration = workDuration;
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mVsync.scheduledFrameTime =
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mVsync.registration->update({.workDuration = mVsync.workDuration.get().count(),
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.readyDuration = 0,
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.earliestVsync = mVsync.lastCallbackTime.ns()});
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}
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void MessageQueue::waitMessage() {
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do {
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IPCThreadState::self()->flushCommands();
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int32_t ret = mLooper->pollOnce(-1);
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switch (ret) {
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case Looper::POLL_WAKE:
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case Looper::POLL_CALLBACK:
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continue;
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case Looper::POLL_ERROR:
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ALOGE("Looper::POLL_ERROR");
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continue;
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case Looper::POLL_TIMEOUT:
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// timeout (should not happen)
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continue;
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default:
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// should not happen
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ALOGE("Looper::pollOnce() returned unknown status %d", ret);
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continue;
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}
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} while (true);
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}
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void MessageQueue::postMessage(sp<MessageHandler>&& handler) {
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mLooper->sendMessage(handler, Message());
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}
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#ifdef MTK_SF_SCHEDULE_DELAY
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//TODO: remove MTK's API
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void MessageQueue::postMessageDelayed(nsecs_t uptimeDelay, sp<MessageHandler>&& handler) {
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mLooper->sendMessageDelayed(uptimeDelay, handler, Message());
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}
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#endif
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void MessageQueue::postMessageDelayed(sp<MessageHandler>&& handler, nsecs_t uptimeDelay) {
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mLooper->sendMessageDelayed(uptimeDelay, handler, Message());
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}
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void MessageQueue::scheduleConfigure() {
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struct ConfigureHandler : MessageHandler {
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explicit ConfigureHandler(ICompositor& compositor) : compositor(compositor) {}
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void handleMessage(const Message&) override { compositor.configure(); }
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ICompositor& compositor;
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};
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// TODO(b/241285876): Batch configure tasks that happen within some duration.
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postMessage(sp<ConfigureHandler>::make(mCompositor));
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}
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#ifdef MTK_SF_MSYNC_3
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void MessageQueue::cancelScheduledFrame() {
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std::lock_guard lock(mVsync.mutex);
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if (mVsync.registration->cancel() == android::scheduler::CancelResult::Cancelled) {
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ATRACE_NAME("cancelScheduledFrame: name=sf, success");
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} else {
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ATRACE_NAME("cancelScheduledFrame: name=sf, fail");
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}
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}
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nsecs_t MessageQueue::getCurrentVsyncTime() {
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std::lock_guard lock(mVsync.mutex);
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return mVsync.lastCallbackTime.ns();
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}
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#endif
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void MessageQueue::scheduleFrame() {
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#ifndef MTK_SF_MSYNC_3
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ATRACE_CALL();
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#endif
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std::lock_guard lock(mVsync.mutex);
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#ifdef MTK_SF_MSYNC_3
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ATRACE_FORMAT("%s: name=sf, workDuration=%" PRId64, __func__, mVsync.workDuration.get().count());
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#endif
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mVsync.scheduledFrameTime =
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mVsync.registration->schedule({.workDuration = mVsync.workDuration.get().count(),
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.readyDuration = 0,
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.earliestVsync = mVsync.lastCallbackTime.ns()});
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}
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auto MessageQueue::getScheduledFrameTime() const -> std::optional<Clock::time_point> {
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if (mHandler->isFramePending()) {
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return Clock::now();
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}
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std::lock_guard lock(mVsync.mutex);
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if (const auto time = mVsync.scheduledFrameTime) {
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return Clock::time_point(std::chrono::nanoseconds(*time));
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}
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return std::nullopt;
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}
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#ifdef MTK_SF_MSYNC
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void MessageQueue::msyncVsyncCallback(bool bTriggerVsyncCallback) {
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nsecs_t wakeupTime = systemTime(SYSTEM_TIME_MONOTONIC);
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nsecs_t vsyncTime;
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M2_TRACE("msyncVsyncCallback, bTriggerVsyncCallback=%d", bTriggerVsyncCallback);
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bool bCancelled = true;
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{
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std::lock_guard lock(mVsync.mutex);
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//mVsyncCanceled = true;
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auto cancelResult = mVsync.registration->cancel();
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if (cancelResult == android::scheduler::CancelResult::Cancelled) {
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// need to set new vsyncTime as last dispached time
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vsyncTime = wakeupTime + mVsync.workDuration.get().count();
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M2_TRACE("cancel scheduleFrame success, new wakeupTime=%" PRId64 " and vsyncTime=%" PRId64, wakeupTime, vsyncTime);
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if (bTriggerVsyncCallback) {
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mVsync.registration->setLastDispatchTime(vsyncTime);
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}
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} else {
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M2_TRACE("cancel scheduleFrame failed, error=%d", cancelResult);
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bCancelled = false;
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}
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}
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if (bCancelled && bTriggerVsyncCallback) {
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// set readyTime < vsyncTime to indicate the vsync callback from msync2
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vsyncCallback(vsyncTime, wakeupTime, vsyncTime-1/*readyTime*/);
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}
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}
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nsecs_t MessageQueue::getLastVsyncWakeupTime() {
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std::lock_guard lock(mVsync.mutex);
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return mVsync.lastCallbackTime.ns() - mVsync.workDuration.get().count();
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}
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void MessageQueue::setMSyncSfApi(std::shared_ptr<MSyncSfApi> msyncSfApi) {
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mMSyncSfApi = msyncSfApi;
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}
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#endif
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#ifdef MTK_ATRACE_PRESENT_FENCE
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nsecs_t MessageQueue::getVsyncSfToggleTime() {
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return mVsyncSfToggleTime;
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}
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#endif
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} // namespace android::impl
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