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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. 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 "IPCEvent.h"
#include "ScopedRenderingResourcesRequest.h"
#include "StreamMessageReceiver.h"
#include <WebCore/ImageBuffer.h>
#include <WebCore/ShareableBitmap.h>
#if ENABLE(RE_DYNAMIC_CONTENT_SCALING)
#include <WebCore/DynamicContentScalingDisplayList.h>
#endif
namespace IPC {
class Semaphore;
class StreamConnectionWorkQueue;
}
namespace WebKit {
class RemoteRenderingBackend;
class RemoteImageBuffer : public IPC::StreamMessageReceiver {
public:
static Ref<RemoteImageBuffer> create(Ref<WebCore::ImageBuffer>, RemoteRenderingBackend&);
~RemoteImageBuffer();
void stopListeningForIPC();
WebCore::RenderingResourceIdentifier identifier() const { return m_imageBuffer->renderingResourceIdentifier(); }
Ref<WebCore::ImageBuffer> imageBuffer() const { return m_imageBuffer; }
private:
RemoteImageBuffer(Ref<WebCore::ImageBuffer>, RemoteRenderingBackend&);
void startListeningForIPC();
IPC::StreamConnectionWorkQueue& workQueue() const;
// IPC::StreamMessageReceiver
void didReceiveStreamMessage(IPC::StreamServerConnection&, IPC::Decoder&) final;
// Messages
// This is using location and size as opposed to rect because invalid rect object gets restricted by IPC rect object decoder and triggers timeout in WebContent process.
void getPixelBuffer(WebCore::PixelBufferFormat, WebCore::IntPoint srcPoint, WebCore::IntSize srcSize, CompletionHandler<void()>&&);
void getPixelBufferWithNewMemory(WebCore::SharedMemory::Handle&&, WebCore::PixelBufferFormat, WebCore::IntPoint srcPoint, WebCore::IntSize srcSize, CompletionHandler<void()>&&);
void putPixelBuffer(Ref<WebCore::PixelBuffer>, WebCore::IntPoint srcPoint, WebCore::IntSize srcSize, WebCore::IntPoint destPoint, WebCore::AlphaPremultiplication destFormat);
void getShareableBitmap(WebCore::PreserveResolution, CompletionHandler<void(std::optional<WebCore::ShareableBitmap::Handle>&&)>&&);
void filteredNativeImage(Ref<WebCore::Filter>, CompletionHandler<void(std::optional<WebCore::ShareableBitmap::Handle>&&)>&&);
void convertToLuminanceMask();
void transformToColorSpace(const WebCore::DestinationColorSpace&);
void flushContext();
void flushContextSync(CompletionHandler<void()>&&);
#if ENABLE(RE_DYNAMIC_CONTENT_SCALING)
void dynamicContentScalingDisplayList(CompletionHandler<void(std::optional<WebCore::DynamicContentScalingDisplayList>&&)>&&);
#endif
RefPtr<RemoteRenderingBackend> m_backend;
Ref<WebCore::ImageBuffer> m_imageBuffer;
ScopedRenderingResourcesRequest m_renderingResourcesRequest { ScopedRenderingResourcesRequest::acquire() };
};
} // namespace WebKit
#endif // ENABLE(GPU_PROCESS)
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