| /* |
| * 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. 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 "RemoteImageBufferMessageHandlerProxy.h" |
| #include <WebCore/ConcreteImageBuffer.h> |
| #include <WebCore/DisplayListReplayer.h> |
| |
| namespace WebKit { |
| |
| template<typename BackendType> |
| class RemoteImageBufferProxy : public WebCore::ConcreteImageBuffer<BackendType>, public RemoteImageBufferMessageHandlerProxy, public WebCore::DisplayList::Replayer::Delegate { |
| using BaseConcreteImageBuffer = WebCore::ConcreteImageBuffer<BackendType>; |
| using BaseConcreteImageBuffer::m_backend; |
| |
| public: |
| static auto create(const WebCore::FloatSize& size, float resolutionScale, WebCore::ColorSpace colorSpace, RemoteRenderingBackendProxy& remoteRenderingBackendProxy, ImageBufferIdentifier imageBufferIdentifier) |
| { |
| return BaseConcreteImageBuffer::template create<RemoteImageBufferProxy>(size, resolutionScale, colorSpace, nullptr, remoteRenderingBackendProxy, imageBufferIdentifier); |
| } |
| |
| RemoteImageBufferProxy(std::unique_ptr<BackendType>&& backend, RemoteRenderingBackendProxy& remoteRenderingBackendProxy, ImageBufferIdentifier imageBufferIdentifier) |
| : BaseConcreteImageBuffer(WTFMove(backend)) |
| , RemoteImageBufferMessageHandlerProxy(remoteRenderingBackendProxy, imageBufferIdentifier) |
| { |
| createBackend(m_backend->logicalSize(), m_backend->backendSize(), m_backend->resolutionScale(), m_backend->colorSpace(), m_backend->createImageBufferBackendHandle()); |
| } |
| |
| private: |
| using BaseConcreteImageBuffer::flushDrawingContext; |
| using BaseConcreteImageBuffer::putImageData; |
| |
| void flushDrawingContext(const WebCore::DisplayList::DisplayList& displayList) override |
| { |
| if (displayList.itemCount()) { |
| WebCore::DisplayList::Replayer replayer(BaseConcreteImageBuffer::context(), displayList, this); |
| replayer.replay(); |
| } |
| } |
| |
| void flushDrawingContextAndCommit(const WebCore::DisplayList::DisplayList& displayList, ImageBufferFlushIdentifier flushIdentifier) override |
| { |
| flushDrawingContext(displayList); |
| m_backend->flushContext(); |
| commitFlushContext(flushIdentifier); |
| } |
| |
| RefPtr<WebCore::ImageData> getImageData(WebCore::AlphaPremultiplication outputFormat, const WebCore::IntRect& srcRect) const override |
| { |
| return BaseConcreteImageBuffer::getImageData(outputFormat, srcRect); |
| } |
| |
| bool apply(WebCore::DisplayList::Item& item, WebCore::GraphicsContext&) override |
| { |
| if (item.type() != WebCore::DisplayList::ItemType::PutImageData) |
| return false; |
| |
| auto& putImageDataItem = static_cast<WebCore::DisplayList::PutImageData&>(item); |
| putImageData(putImageDataItem.inputFormat(), putImageDataItem.imageData(), putImageDataItem.srcRect(), putImageDataItem.destPoint()); |
| return true; |
| } |
| }; |
| |
| } // namespace WebKit |
| |
| #endif // ENABLE(GPU_PROCESS) |