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GPUProcess.h
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GPUProcess.h
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/*
* Copyright (C) 2019-2022 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(GPU_PROCESS)
#include "AuxiliaryProcess.h"
#include "GPUProcessPreferences.h"
#include "SandboxExtension.h"
#include "ShareableBitmap.h"
#include "WebPageProxyIdentifier.h"
#include <WebCore/LibWebRTCEnumTraits.h>
#include <WebCore/MediaPlayerIdentifier.h>
#include <WebCore/Timer.h>
#include <pal/SessionID.h>
#include <wtf/Function.h>
#include <wtf/MemoryPressureHandler.h>
#include <wtf/MonotonicTime.h>
#include <wtf/WeakPtr.h>
#if PLATFORM(MAC)
#include <CoreGraphics/CGDisplayConfiguration.h>
#endif
#if USE(GRAPHICS_LAYER_WC)
#include "WCSharedSceneContextHolder.h"
#endif
namespace WebCore {
class CaptureDevice;
class NowPlayingManager;
struct MockMediaDevice;
struct ScreenProperties;
struct SecurityOriginData;
}
namespace WebKit {
class GPUConnectionToWebProcess;
struct GPUProcessConnectionParameters;
struct GPUProcessCreationParameters;
struct GPUProcessSessionParameters;
class RemoteAudioSessionProxyManager;
class GPUProcess : public AuxiliaryProcess, public ThreadSafeRefCounted<GPUProcess> {
WTF_MAKE_NONCOPYABLE(GPUProcess);
public:
explicit GPUProcess(AuxiliaryProcessInitializationParameters&&);
~GPUProcess();
static constexpr WebCore::AuxiliaryProcessType processType = WebCore::AuxiliaryProcessType::GPU;
void removeGPUConnectionToWebProcess(GPUConnectionToWebProcess&);
void prepareToSuspend(bool isSuspensionImminent, MonotonicTime estimatedSuspendTime, CompletionHandler<void()>&&);
void processDidResume();
void resume();
void connectionToWebProcessClosed(IPC::Connection&);
GPUConnectionToWebProcess* webProcessConnection(WebCore::ProcessIdentifier) const;
const String& mediaCacheDirectory(PAL::SessionID) const;
#if ENABLE(LEGACY_ENCRYPTED_MEDIA)
const String& mediaKeysStorageDirectory(PAL::SessionID) const;
#endif
#if ENABLE(GPU_PROCESS) && USE(AUDIO_SESSION)
RemoteAudioSessionProxyManager& audioSessionManager() const;
#endif
WebCore::NowPlayingManager& nowPlayingManager();
#if ENABLE(MEDIA_STREAM) && PLATFORM(COCOA)
WorkQueue& videoMediaStreamTrackRendererQueue();
void ensureAVCaptureServerConnection();
#endif
#if USE(LIBWEBRTC) && PLATFORM(COCOA)
WorkQueue& libWebRTCCodecsQueue();
#endif
#if USE(GRAPHICS_LAYER_WC)
WCSharedSceneContextHolder& sharedSceneContext() { return m_sharedSceneContext; }
#endif
#if ENABLE(VP9)
void enableVP9Decoders(bool shouldEnableVP8Decoder, bool shouldEnableVP9Decoder, bool shouldEnableVP9SWDecoder);
#endif
void tryExitIfUnusedAndUnderMemoryPressure();
const String& applicationVisibleName() const { return m_applicationVisibleName; }
void webProcessConnectionCountForTesting(CompletionHandler<void(uint64_t)>&&);
#if PLATFORM(COCOA) && ENABLE(MEDIA_STREAM)
void processIsStartingToCaptureAudio(GPUConnectionToWebProcess&);
#endif
void requestBitmapImageForCurrentTime(WebCore::ProcessIdentifier, WebCore::MediaPlayerIdentifier, CompletionHandler<void(const ShareableBitmap::Handle&)>&&);
private:
void lowMemoryHandler(Critical, Synchronous);
// AuxiliaryProcess
void initializeProcess(const AuxiliaryProcessInitializationParameters&) override;
void initializeProcessName(const AuxiliaryProcessInitializationParameters&) override;
void initializeSandbox(const AuxiliaryProcessInitializationParameters&, SandboxInitializationParameters&) override;
bool shouldTerminate() override;
void tryExitIfUnused();
bool canExitUnderMemoryPressure() const;
// IPC::Connection::Client
void didReceiveMessage(IPC::Connection&, IPC::Decoder&) override;
void didReceiveGPUProcessMessage(IPC::Connection&, IPC::Decoder&);
// Message Handlers
void initializeGPUProcess(GPUProcessCreationParameters&&);
void updateGPUProcessPreferences(GPUProcessPreferences&&);
void createGPUConnectionToWebProcess(WebCore::ProcessIdentifier, PAL::SessionID, IPC::Attachment&&, GPUProcessConnectionParameters&&, CompletionHandler<void()>&&);
void addSession(PAL::SessionID, GPUProcessSessionParameters&&);
void removeSession(PAL::SessionID);
bool updatePreference(std::optional<bool>& oldPreference, std::optional<bool>& newPreference);
#if ENABLE(MEDIA_STREAM)
void setMockCaptureDevicesEnabled(bool);
void setOrientationForMediaCapture(uint64_t orientation);
void updateCaptureAccess(bool allowAudioCapture, bool allowVideoCapture, bool allowDisplayCapture, WebCore::ProcessIdentifier, CompletionHandler<void()>&&);
void updateCaptureOrigin(const WebCore::SecurityOriginData&, WebCore::ProcessIdentifier);
void updateSandboxAccess(const Vector<SandboxExtension::Handle>&);
void addMockMediaDevice(const WebCore::MockMediaDevice&);
void clearMockMediaDevices();
void removeMockMediaDevice(const String& persistentId);
void resetMockMediaDevices();
void setMockCaptureDevicesInterrupted(bool isCameraInterrupted, bool isMicrophoneInterrupted);
void triggerMockMicrophoneConfigurationChange();
bool setCaptureAttributionString(const String&);
#endif
#if HAVE(SC_CONTENT_SHARING_SESSION)
void showWindowPicker(CompletionHandler<void(std::optional<WebCore::CaptureDevice>)>&&);
void showScreenPicker(CompletionHandler<void(std::optional<WebCore::CaptureDevice>)>&&);
#endif
#if PLATFORM(MAC)
void displayConfigurationChanged(CGDirectDisplayID, CGDisplayChangeSummaryFlags);
void setScreenProperties(const WebCore::ScreenProperties&);
#endif
#if USE(OS_STATE)
RetainPtr<NSDictionary> additionalStateForDiagnosticReport() const final;
#endif
#if ENABLE(CFPREFS_DIRECT_MODE)
void notifyPreferencesChanged(const String& domain, const String& key, const std::optional<String>& encodedValue);
void dispatchSimulatedNotificationsForPreferenceChange(const String& key) final;
#endif
#if PLATFORM(MAC)
void openDirectoryCacheInvalidated(SandboxExtension::Handle&&);
#endif
#if HAVE(POWERLOG_TASK_MODE_QUERY)
void enablePowerLogging(SandboxExtension::Handle&&);
#endif
// Connections to WebProcesses.
HashMap<WebCore::ProcessIdentifier, Ref<GPUConnectionToWebProcess>> m_webProcessConnections;
MonotonicTime m_creationTime { MonotonicTime::now() };
GPUProcessPreferences m_preferences;
#if ENABLE(MEDIA_STREAM)
struct MediaCaptureAccess {
bool allowAudioCapture { false };
bool allowVideoCapture { false };
bool allowDisplayCapture { false };
};
HashMap<WebCore::ProcessIdentifier, MediaCaptureAccess> m_mediaCaptureAccessMap;
#if ENABLE(MEDIA_STREAM) && PLATFORM(COCOA)
RefPtr<WorkQueue> m_videoMediaStreamTrackRendererQueue;
#endif
uint64_t m_orientation { 0 };
#endif
#if USE(LIBWEBRTC) && PLATFORM(COCOA)
RefPtr<WorkQueue> m_libWebRTCCodecsQueue;
#endif
#if USE(GRAPHICS_LAYER_WC)
WCSharedSceneContextHolder m_sharedSceneContext;
#endif
struct GPUSession {
String mediaCacheDirectory;
#if ENABLE(LEGACY_ENCRYPTED_MEDIA)
String mediaKeysStorageDirectory;
#endif
};
HashMap<PAL::SessionID, GPUSession> m_sessions;
WebCore::Timer m_idleExitTimer;
std::unique_ptr<WebCore::NowPlayingManager> m_nowPlayingManager;
String m_applicationVisibleName;
#if ENABLE(GPU_PROCESS) && USE(AUDIO_SESSION)
mutable std::unique_ptr<RemoteAudioSessionProxyManager> m_audioSessionManager;
#endif
#if ENABLE(VP9)
bool m_enableVP8Decoder { false };
bool m_enableVP9Decoder { false };
bool m_enableVP9SWDecoder { false };
#endif
};
} // namespace WebKit
#endif // ENABLE(GPU_PROCESS)