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/*
* Copyright (C) 2024 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 "MessageReceiver.h"
#include "RemoteSerializedImageBufferIdentifier.h"
#include "ThreadSafeObjectHeap.h"
#include <WebCore/ImageBuffer.h>
#include <WebCore/ImageBufferResourceLimits.h>
#include <WebCore/ProcessIdentity.h>
#include <WebCore/RenderingResourceIdentifier.h>
#include <wtf/FastMalloc.h>
#include <wtf/Ref.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/ThreadSafeRefCounted.h>
#if USE(IOSURFACE)
#include <WebCore/IOSurfacePool.h>
#endif
namespace WebKit {
class GPUConnectionToWebProcess;
// Class holding GPU process resources per Web Content process.
// Thread-safe.
class RemoteSharedResourceCache final : public ThreadSafeRefCounted<RemoteSharedResourceCache>, IPC::MessageReceiver {
WTF_MAKE_TZONE_ALLOCATED(RemoteSharedResourceCache);
public:
static Ref<RemoteSharedResourceCache> create(GPUConnectionToWebProcess&);
virtual ~RemoteSharedResourceCache();
void ref() const final { ThreadSafeRefCounted::ref(); }
void deref() const final { ThreadSafeRefCounted::deref(); }
void addSerializedImageBuffer(WebCore::RenderingResourceIdentifier, Ref<WebCore::ImageBuffer>);
RefPtr<WebCore::ImageBuffer> takeSerializedImageBuffer(WebCore::RenderingResourceIdentifier);
// IPC::MessageReceiver
void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final;
const WebCore::ProcessIdentity& resourceOwner() const { return m_resourceOwner; }
#if HAVE(IOSURFACE)
WebCore::IOSurfacePool& ioSurfacePool() const { return m_ioSurfacePool; }
#endif
void didCreateImageBuffer(WebCore::RenderingPurpose, WebCore::RenderingMode);
void didReleaseImageBuffer(WebCore::RenderingPurpose, WebCore::RenderingMode);
bool reachedAcceleratedImageBufferLimit(WebCore::RenderingPurpose) const;
bool reachedImageBufferForCanvasLimit() const;
WebCore::ImageBufferResourceLimits getResourceLimitsForTesting() const;
void lowMemoryHandler();
private:
RemoteSharedResourceCache(GPUConnectionToWebProcess&);
// Messages
void releaseSerializedImageBuffer(WebCore::RenderingResourceIdentifier);
IPC::ThreadSafeObjectHeap<RemoteSerializedImageBufferIdentifier, RefPtr<WebCore::ImageBuffer>> m_serializedImageBuffers;
WebCore::ProcessIdentity m_resourceOwner;
#if HAVE(IOSURFACE)
Ref<WebCore::IOSurfacePool> m_ioSurfacePool;
#endif
std::atomic<size_t> m_acceleratedImageBufferForCanvasCount;
std::atomic<size_t> m_imageBufferForCanvasCount;
};
} // namespace WebKit
#endif // ENABLE(GPU_PROCESS)
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