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/*
* Copyright (C) 2020-2022 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 "Connection.h"
#include "IPCSemaphore.h"
#include "ImageBufferBackendHandle.h"
#include "MessageReceiver.h"
#include "MessageSender.h"
#include "QualifiedRenderingResourceIdentifier.h"
#include "RemoteDisplayListRecorder.h"
#include "RemoteResourceCache.h"
#include "RenderingBackendIdentifier.h"
#include "RenderingUpdateID.h"
#include "ScopedRenderingResourcesRequest.h"
#include "StreamConnectionWorkQueue.h"
#include "StreamMessageReceiver.h"
#include "StreamServerConnection.h"
#include <WebCore/ColorSpace.h>
#include <WebCore/DisplayList.h>
#include <WebCore/DisplayListItems.h>
#include <WebCore/DisplayListReplayer.h>
#include <WebCore/ProcessIdentifier.h>
#include <WebCore/ProcessIdentity.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
class DestinationColorSpace;
class FloatSize;
class NativeImage;
enum class RenderingMode : bool;
}
namespace IPC {
class FilterReference;
}
namespace WebKit {
class GPUConnectionToWebProcess;
class RemoteDisplayListRecorder;
struct BufferIdentifierSet;
struct RemoteRenderingBackendCreationParameters;
class RemoteRenderingBackend : private IPC::MessageSender, public IPC::StreamMessageReceiver {
public:
static Ref<RemoteRenderingBackend> create(GPUConnectionToWebProcess&, RemoteRenderingBackendCreationParameters&&, IPC::StreamConnectionBuffer&&);
virtual ~RemoteRenderingBackend();
void stopListeningForIPC();
RemoteResourceCache& remoteResourceCache() { return m_remoteResourceCache; }
void didReceiveStreamMessage(IPC::StreamServerConnectionBase&, IPC::Decoder&) final;
// Messages to be sent.
void didCreateImageBufferBackend(ImageBufferBackendHandle, QualifiedRenderingResourceIdentifier, RemoteDisplayListRecorder&);
void didFlush(WebCore::GraphicsContextFlushIdentifier, QualifiedRenderingResourceIdentifier);
bool allowsExitUnderMemoryPressure() const;
// Runs Function in RemoteRenderingBackend task queue.
void dispatch(Function<void()>&&);
IPC::StreamServerConnection& streamConnection() const { return m_streamConnection.get(); }
void performWithMediaPlayerOnMainThread(WebCore::MediaPlayerIdentifier, Function<void(WebCore::MediaPlayer&)>&&);
private:
RemoteRenderingBackend(GPUConnectionToWebProcess&, RemoteRenderingBackendCreationParameters&&, IPC::StreamConnectionBuffer&&);
void startListeningForIPC();
std::optional<SharedMemory::IPCHandle> updateSharedMemoryForGetPixelBufferHelper(size_t byteCount);
void updateRenderingResourceRequest();
// IPC::MessageSender.
IPC::Connection* messageSenderConnection() const override;
uint64_t messageSenderDestinationID() const override;
// Messages to be received.
void createImageBuffer(const WebCore::FloatSize& logicalSize, WebCore::RenderingMode, float resolutionScale, const WebCore::DestinationColorSpace&, WebCore::PixelFormat, WebCore::RenderingResourceIdentifier);
void getPixelBufferForImageBuffer(WebCore::RenderingResourceIdentifier, WebCore::PixelBufferFormat&&, WebCore::IntRect&& srcRect, CompletionHandler<void()>&&);
void getPixelBufferForImageBufferWithNewMemory(WebCore::RenderingResourceIdentifier, SharedMemory::IPCHandle&&, WebCore::PixelBufferFormat&& destinationFormat, WebCore::IntRect&& srcRect, CompletionHandler<void()>&&);
void destroyGetPixelBufferSharedMemory();
void putPixelBufferForImageBuffer(WebCore::RenderingResourceIdentifier, WebCore::PixelBuffer&&, WebCore::IntRect&& srcRect, WebCore::IntPoint&& destPoint, WebCore::AlphaPremultiplication destFormat);
void getDataURLForImageBuffer(const String& mimeType, std::optional<double> quality, WebCore::PreserveResolution, WebCore::RenderingResourceIdentifier, CompletionHandler<void(String&&)>&&);
void getDataForImageBuffer(const String& mimeType, std::optional<double> quality, WebCore::RenderingResourceIdentifier, CompletionHandler<void(Vector<uint8_t>&&)>&&);
void getShareableBitmapForImageBuffer(WebCore::RenderingResourceIdentifier, WebCore::PreserveResolution, CompletionHandler<void(ShareableBitmap::Handle&&)>&&);
void getFilteredImageForImageBuffer(WebCore::RenderingResourceIdentifier, IPC::FilterReference&&, CompletionHandler<void(ShareableBitmap::Handle&&)>&&);
void cacheNativeImage(const ShareableBitmap::Handle&, WebCore::RenderingResourceIdentifier);
void cacheFont(Ref<WebCore::Font>&&);
void deleteAllFonts();
void releaseRemoteResource(WebCore::RenderingResourceIdentifier);
void finalizeRenderingUpdate(RenderingUpdateID);
void markSurfacesVolatile(const Vector<WebCore::RenderingResourceIdentifier>&, CompletionHandler<void(const Vector<WebCore::RenderingResourceIdentifier>& inUseBufferIdentifiers)>&&);
void markSurfaceNonVolatile(WebCore::RenderingResourceIdentifier, CompletionHandler<void(std::optional<ImageBufferBackendHandle>, bool bufferWasEmpty)>&&);
void swapToValidFrontBuffer(const BufferIdentifierSet& bufferSet, CompletionHandler<void(const BufferIdentifierSet& swappedBufferSet, std::optional<ImageBufferBackendHandle>&& frontBufferHandle, bool frontBufferWasEmpty)>&&);
// Received messages translated to use QualifiedRenderingResourceIdentifier.
void createImageBufferWithQualifiedIdentifier(const WebCore::FloatSize& logicalSize, WebCore::RenderingMode, float resolutionScale, const WebCore::DestinationColorSpace&, WebCore::PixelFormat, QualifiedRenderingResourceIdentifier);
void getDataURLForImageBufferWithQualifiedIdentifier(const String& mimeType, std::optional<double> quality, WebCore::PreserveResolution, QualifiedRenderingResourceIdentifier, CompletionHandler<void(String&&)>&&);
void getDataForImageBufferWithQualifiedIdentifier(const String& mimeType, std::optional<double> quality, QualifiedRenderingResourceIdentifier, CompletionHandler<void(Vector<uint8_t>&&)>&&);
void getShareableBitmapForImageBufferWithQualifiedIdentifier(QualifiedRenderingResourceIdentifier, WebCore::PreserveResolution, CompletionHandler<void(ShareableBitmap::Handle&&)>&&);
void cacheNativeImageWithQualifiedIdentifier(const ShareableBitmap::Handle&, QualifiedRenderingResourceIdentifier);
void didCreateSharedDisplayListHandleWithQualifiedIdentifier(WebCore::DisplayList::ItemBufferIdentifier, const SharedMemory::IPCHandle&, QualifiedRenderingResourceIdentifier destinationBufferIdentifier);
void releaseRemoteResourceWithQualifiedIdentifier(QualifiedRenderingResourceIdentifier);
void cacheFontWithQualifiedIdentifier(Ref<WebCore::Font>&&, QualifiedRenderingResourceIdentifier);
Ref<IPC::StreamConnectionWorkQueue> m_workQueue;
Ref<IPC::StreamServerConnection> m_streamConnection;
RemoteResourceCache m_remoteResourceCache;
Ref<GPUConnectionToWebProcess> m_gpuConnectionToWebProcess;
WebCore::ProcessIdentity m_resourceOwner;
RenderingBackendIdentifier m_renderingBackendIdentifier;
RefPtr<SharedMemory> m_getPixelBufferSharedMemory;
ScopedRenderingResourcesRequest m_renderingResourcesRequest;
Lock m_remoteDisplayListsLock;
bool m_canRegisterRemoteDisplayLists WTF_GUARDED_BY_LOCK(m_remoteDisplayListsLock) { false };
HashMap<QualifiedRenderingResourceIdentifier, Ref<RemoteDisplayListRecorder>> m_remoteDisplayLists WTF_GUARDED_BY_LOCK(m_remoteDisplayListsLock);
};
} // namespace WebKit
#endif // ENABLE(GPU_PROCESS)
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