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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/Lock.h>
namespace WebKit {
class RemoteRenderingBackendProxy;
class RemoteImageBufferProxyFlushFence;
class RemoteImageBufferProxy : public WebCore::ImageBuffer {
friend class RemoteSerializedImageBufferProxy;
public:
template<typename BackendType>
static RefPtr<RemoteImageBufferProxy> create(const WebCore::FloatSize& size, float resolutionScale, const WebCore::DestinationColorSpace& colorSpace, WebCore::PixelFormat pixelFormat, WebCore::RenderingPurpose purpose, RemoteRenderingBackendProxy& remoteRenderingBackendProxy, bool avoidBackendSizeCheck = false)
{
auto parameters = WebCore::ImageBufferBackend::Parameters { size, resolutionScale, colorSpace, pixelFormat, purpose };
if (!avoidBackendSizeCheck && BackendType::calculateSafeBackendSize(parameters).isEmpty())
return nullptr;
auto info = populateBackendInfo<BackendType>(parameters);
return adoptRef(new RemoteImageBufferProxy(parameters, info, remoteRenderingBackendProxy));
}
static RefPtr<RemoteImageBufferProxy> create(const WebCore::ImageBufferBackend::Parameters& parameters, const WebCore::ImageBufferBackend::Info& info, RemoteRenderingBackendProxy& remoteRenderingBackendProxy, std::unique_ptr<WebCore::ImageBufferBackend>&& backend, WebCore::RenderingResourceIdentifier identifier)
{
return adoptRef(new RemoteImageBufferProxy(parameters, info, remoteRenderingBackendProxy, WTFMove(backend), identifier));
}
~RemoteImageBufferProxy();
WebCore::ImageBufferBackend* ensureBackendCreated() const final;
void clearBackend();
void backingStoreWillChange();
std::unique_ptr<WebCore::SerializedImageBuffer> sinkIntoSerializedImageBuffer() final;
void didReceiveMessage(IPC::Connection&, IPC::Decoder&);
// Messages
void didCreateBackend(ImageBufferBackendHandle&&);
private:
RemoteImageBufferProxy(const WebCore::ImageBufferBackend::Parameters&, const WebCore::ImageBufferBackend::Info&, RemoteRenderingBackendProxy&, std::unique_ptr<WebCore::ImageBufferBackend>&& = nullptr, WebCore::RenderingResourceIdentifier = WebCore::RenderingResourceIdentifier::generate());
RefPtr<WebCore::NativeImage> copyNativeImage(WebCore::BackingStoreCopy = WebCore::CopyBackingStore) const final;
RefPtr<WebCore::NativeImage> copyNativeImageForDrawing(WebCore::GraphicsContext&) const final;
RefPtr<WebCore::NativeImage> sinkIntoNativeImage() final;
RefPtr<ImageBuffer> sinkIntoBufferForDifferentThread() final;
RefPtr<ImageBuffer> cloneForDifferentThread() final;
RefPtr<WebCore::Image> filteredImage(WebCore::Filter&) final;
void drawConsuming(WebCore::GraphicsContext& destContext, const WebCore::FloatRect& destRect, const WebCore::FloatRect& srcRect, const WebCore::ImagePaintingOptions&) 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::PixelBuffer&, 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;
std::unique_ptr<WebCore::ThreadSafeImageBufferFlusher> createFlusher() final;
void prepareForBackingStoreChange();
void assertDispatcherIsCurrent() const;
IPC::StreamClientConnection& streamConnection() const;
RefPtr<RemoteImageBufferProxyFlushFence> m_pendingFlush;
WeakPtr<RemoteRenderingBackendProxy> m_remoteRenderingBackendProxy;
RemoteDisplayListRecorderProxy m_remoteDisplayList;
bool m_needsFlush { false };
};
class RemoteSerializedImageBufferProxy : public WebCore::SerializedImageBuffer {
friend class RemoteRenderingBackendProxy;
public:
~RemoteSerializedImageBufferProxy();
static RefPtr<WebCore::ImageBuffer> sinkIntoImageBuffer(std::unique_ptr<RemoteSerializedImageBufferProxy>, RemoteRenderingBackendProxy&);
WebCore::RenderingResourceIdentifier renderingResourceIdentifier() { return m_renderingResourceIdentifier; }
RemoteSerializedImageBufferProxy(const WebCore::ImageBufferBackend::Parameters&, const WebCore::ImageBufferBackend::Info&, const WebCore::RenderingResourceIdentifier&, RemoteRenderingBackendProxy&);
size_t memoryCost() final
{
return m_info.memoryCost;
}
private:
RefPtr<WebCore::ImageBuffer> sinkIntoImageBuffer() final
{
ASSERT_NOT_REACHED();
return nullptr;
}
bool isRemoteSerializedImageBufferProxy() const final { return true; }
WebCore::ImageBufferBackend::Parameters m_parameters;
WebCore::ImageBufferBackend::Info m_info;
WebCore::RenderingResourceIdentifier m_renderingResourceIdentifier;
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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