/* * Copyright (C) 2020 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 "ImageBufferFlushIdentifier.h" #include "ImageBufferIdentifier.h" #include <WebCore/ColorSpace.h> #include <WebCore/DisplayList.h> #include <WebCore/FloatSize.h> namespace WebCore { enum class AlphaPremultiplication : uint8_t; class ImageData; } namespace WebKit { class RemoteRenderingBackendProxy; class RemoteImageBufferMessageHandlerProxy { public: virtual ~RemoteImageBufferMessageHandlerProxy() = default; // Messages to be received. See RemoteRenderingBackendProxy.messages.in. virtual void flushDrawingContext(const WebCore::DisplayList::DisplayList&) = 0; virtual void flushDrawingContextAndCommit(const WebCore::DisplayList::DisplayList&, ImageBufferFlushIdentifier) = 0; virtual RefPtr<WebCore::ImageData> getImageData(WebCore::AlphaPremultiplication outputFormat, const WebCore::IntRect& srcRect) const = 0; protected: RemoteImageBufferMessageHandlerProxy(RemoteRenderingBackendProxy&, ImageBufferIdentifier); // Messages to be sent. See RemoteRenderingBackend.messages.in. void createBackend(const WebCore::FloatSize& logicalSize, const WebCore::IntSize& backendSize, float resolutionScale, WebCore::ColorSpace, ImageBufferBackendHandle); void commitFlushContext(ImageBufferFlushIdentifier); private: RemoteRenderingBackendProxy& m_remoteRenderingBackendProxy; ImageBufferIdentifier m_imageBufferIdentifier; }; } // namespace WebKit #endif // ENABLE(GPU_PROCESS)