146 lines
5.1 KiB
C++
146 lines
5.1 KiB
C++
/*
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* Copyright (C) 2010, 2014 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "DisplayRefreshMonitorManager.h"
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#include "DisplayRefreshMonitor.h"
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#include "DisplayRefreshMonitorClient.h"
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#include "Logging.h"
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#include <wtf/text/TextStream.h>
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namespace WebCore {
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DisplayRefreshMonitorManager::~DisplayRefreshMonitorManager() = default;
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DisplayRefreshMonitorManager& DisplayRefreshMonitorManager::sharedManager()
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{
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static NeverDestroyed<DisplayRefreshMonitorManager> manager;
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return manager.get();
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}
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DisplayRefreshMonitor* DisplayRefreshMonitorManager::ensureMonitorForDisplayID(PlatformDisplayID displayID, DisplayRefreshMonitorFactory* factory)
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{
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if (auto* existingMonitor = monitorForDisplayID(displayID))
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return existingMonitor;
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auto monitor = DisplayRefreshMonitor::create(factory, displayID);
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if (!monitor)
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return nullptr;
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LOG_WITH_STREAM(DisplayLink, stream << "[Web] DisplayRefreshMonitorManager::ensureMonitorForDisplayID() - created monitor " << monitor.get() << " for display " << displayID);
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DisplayRefreshMonitor* result = monitor.get();
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m_monitors.append({ WTFMove(monitor) });
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return result;
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}
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void DisplayRefreshMonitorManager::unregisterClient(DisplayRefreshMonitorClient& client)
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{
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if (!client.hasDisplayID())
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return;
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PlatformDisplayID clientDisplayID = client.displayID();
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auto index = findMonitorForDisplayID(clientDisplayID);
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if (index == notFound)
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return;
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RefPtr<DisplayRefreshMonitor> monitor = m_monitors[index].monitor;
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monitor->removeClient(client);
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}
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void DisplayRefreshMonitorManager::clientPreferredFramesPerSecondChanged(DisplayRefreshMonitorClient& client)
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{
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if (auto* monitor = monitorForClient(client))
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monitor->clientPreferredFramesPerSecondChanged(client);
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}
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bool DisplayRefreshMonitorManager::scheduleAnimation(DisplayRefreshMonitorClient& client)
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{
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if (auto* monitor = monitorForClient(client)) {
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client.setIsScheduled(true);
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return monitor->requestRefreshCallback();
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}
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return false;
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}
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void DisplayRefreshMonitorManager::displayDidRefresh(DisplayRefreshMonitor&)
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{
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// Maybe we should remove monitors that haven't been active for some time.
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}
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void DisplayRefreshMonitorManager::windowScreenDidChange(PlatformDisplayID displayID, DisplayRefreshMonitorClient& client)
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{
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if (client.hasDisplayID() && client.displayID() == displayID)
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return;
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unregisterClient(client);
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client.setDisplayID(displayID);
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if (client.isScheduled())
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scheduleAnimation(client);
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}
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std::optional<FramesPerSecond> DisplayRefreshMonitorManager::nominalFramesPerSecondForDisplay(PlatformDisplayID displayID, DisplayRefreshMonitorFactory* factory)
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{
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auto* monitor = ensureMonitorForDisplayID(displayID, factory);
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if (monitor)
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monitor->displayNominalFramesPerSecond();
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return std::nullopt;
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}
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void DisplayRefreshMonitorManager::displayWasUpdated(PlatformDisplayID displayID, const DisplayUpdate& displayUpdate)
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{
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auto* monitor = monitorForDisplayID(displayID);
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if (monitor)
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monitor->displayLinkFired(displayUpdate);
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}
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size_t DisplayRefreshMonitorManager::findMonitorForDisplayID(PlatformDisplayID displayID) const
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{
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return m_monitors.findMatching([&](auto& monitorWrapper) {
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return monitorWrapper.monitor->displayID() == displayID;
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});
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}
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DisplayRefreshMonitor* DisplayRefreshMonitorManager::monitorForClient(DisplayRefreshMonitorClient& client)
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{
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if (!client.hasDisplayID())
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return nullptr;
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auto* monitor = ensureMonitorForDisplayID(client.displayID(), client.displayRefreshMonitorFactory());
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if (monitor)
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monitor->addClient(client);
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return monitor;
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}
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DisplayRefreshMonitor* DisplayRefreshMonitorManager::monitorForDisplayID(PlatformDisplayID displayID) const
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{
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auto index = findMonitorForDisplayID(displayID);
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return index == notFound ? nullptr : m_monitors[index].monitor.get();
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}
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}
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