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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. ``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
* 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 "ImageBufferBackendHandle.h"
#include "RemoteDisplayListRecorderProxy.h"
#include "RemoteSerializedImageBufferIdentifier.h"
#include "RenderingBackendIdentifier.h"
#include <WebCore/ImageBuffer.h>
#include <WebCore/ImageBufferBackend.h>
#include <wtf/Condition.h>
#include <wtf/Identified.h>
#include <wtf/Lock.h>
#include <wtf/TZoneMalloc.h>
namespace IPC {
class Connection;
}
namespace WebKit {
class RemoteRenderingBackendProxy;
class RemoteImageBufferProxy final : public WebCore::ImageBuffer {
WTF_MAKE_TZONE_ALLOCATED(RemoteImageBufferProxy);
friend class RemoteSerializedImageBufferProxy;
public:
template<typename BackendType>
static RefPtr<RemoteImageBufferProxy> create(const WebCore::FloatSize& size, float resolutionScale, const WebCore::DestinationColorSpace& colorSpace, WebCore::ImageBufferFormat bufferFormat, WebCore::RenderingPurpose purpose, RemoteRenderingBackendProxy& remoteRenderingBackendProxy)
{
Parameters parameters { size, resolutionScale, colorSpace, bufferFormat, purpose };
auto backendParameters = ImageBuffer::backendParameters(parameters);
if (BackendType::calculateSafeBackendSize(backendParameters).isEmpty())
return nullptr;
auto info = populateBackendInfo<BackendType>(backendParameters);
return adoptRef(new RemoteImageBufferProxy(parameters, info, remoteRenderingBackendProxy));
}
static Ref<RemoteImageBufferProxy> create(const WebCore::ImageBuffer::Parameters& parameters, const WebCore::ImageBufferBackend::Info& info, RemoteRenderingBackendProxy& renderingBackend)
{
return adoptRef(*new RemoteImageBufferProxy(parameters, info, renderingBackend));
}
~RemoteImageBufferProxy();
bool isValid() const;
void disconnect();
WebCore::ImageBufferBackend* ensureBackend() const final;
void backingStoreWillChange();
std::unique_ptr<WebCore::SerializedImageBuffer> sinkIntoSerializedImageBuffer() final;
void didReceiveMessage(IPC::Connection&, IPC::Decoder&);
// Messages
void didCreateBackend(std::optional<ImageBufferBackendHandle>);
RemoteDisplayListRecorderIdentifier contextIdentifier() const { return m_context.identifier(); }
private:
RemoteImageBufferProxy(Parameters, const WebCore::ImageBufferBackend::Info&, RemoteRenderingBackendProxy&);
RefPtr<WebCore::NativeImage> copyNativeImage() const final;
RefPtr<WebCore::NativeImage> createNativeImageReference() const final;
RefPtr<WebCore::NativeImage> sinkIntoNativeImage() final;
RefPtr<ImageBuffer> sinkIntoBufferForDifferentThread() final;
RefPtr<WebCore::NativeImage> filteredNativeImage(WebCore::Filter&) final;
WebCore::GraphicsContext& context() const final;
RefPtr<WebCore::PixelBuffer> getPixelBuffer(const WebCore::PixelBufferFormat& destinationFormat, const WebCore::IntRect& srcRect, const WebCore::ImageBufferAllocator&) const final;
void putPixelBuffer(const WebCore::PixelBufferSourceView&, const WebCore::IntRect& srcRect, const WebCore::IntPoint& destPoint = { }, WebCore::AlphaPremultiplication = WebCore::AlphaPremultiplication::Premultiplied) final;
void convertToLuminanceMask() final;
void transformToColorSpace(const WebCore::DestinationColorSpace&) final;
void flushDrawingContext() final;
bool flushDrawingContextAsync() final;
void prepareForBackingStoreChange();
void assertDispatcherIsCurrent() const;
template<typename T> void send(T&& message);
template<typename T> auto sendSync(T&& message);
RefPtr<IPC::StreamClientConnection> connection() const;
void didBecomeUnresponsive() const;
mutable RemoteDisplayListRecorderProxy m_context;
WeakPtr<RemoteRenderingBackendProxy> m_renderingBackend;
};
class RemoteSerializedImageBufferProxy : public WebCore::SerializedImageBuffer, public Identified<RemoteSerializedImageBufferIdentifier> {
WTF_MAKE_TZONE_ALLOCATED(RemoteSerializedImageBufferProxy);
friend class RemoteRenderingBackendProxy;
public:
~RemoteSerializedImageBufferProxy();
static RefPtr<WebCore::ImageBuffer> sinkIntoImageBuffer(std::unique_ptr<RemoteSerializedImageBufferProxy>, RemoteRenderingBackendProxy&);
RemoteSerializedImageBufferProxy(WebCore::ImageBuffer::Parameters, const WebCore::ImageBufferBackend::Info&, RemoteRenderingBackendProxy&);
size_t memoryCost() const final
{
return m_info.memoryCost;
}
const WebCore::ImageBuffer::Parameters& parameters() const { return m_parameters; }
const WebCore::ImageBufferBackend::Info& info() const { return m_info; }
private:
RefPtr<WebCore::ImageBuffer> sinkIntoImageBuffer() final
{
ASSERT_NOT_REACHED();
return nullptr;
}
bool isRemoteSerializedImageBufferProxy() const final { return true; }
const WebCore::ImageBuffer::Parameters m_parameters;
const WebCore::ImageBufferBackend::Info m_info;
RefPtr<IPC::Connection> m_connection;
};
} // namespace WebKit
SPECIALIZE_TYPE_TRAITS_BEGIN(WebKit::RemoteSerializedImageBufferProxy)
static bool isType(const WebCore::SerializedImageBuffer& buffer) { return buffer.isRemoteSerializedImageBufferProxy(); }
SPECIALIZE_TYPE_TRAITS_END()
#endif // ENABLE(GPU_PROCESS)
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