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/*
* Copyright (C) 2022-2023 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 "RemoteGPU.h"
#include "StreamMessageReceiver.h"
#include "WebGPUIdentifier.h"
#include <wtf/Ref.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/WeakRef.h>
#include <wtf/text/WTFString.h>
namespace WebCore::WebGPU {
class PresentationContext;
}
namespace IPC {
class StreamServerConnection;
}
namespace WebKit {
class GPUConnectionToWebProcess;
namespace WebGPU {
class ObjectHeap;
struct CanvasConfiguration;
}
class RemotePresentationContext final : public IPC::StreamMessageReceiver {
WTF_MAKE_TZONE_ALLOCATED(RemotePresentationContext);
public:
static Ref<RemotePresentationContext> create(GPUConnectionToWebProcess& gpuConnectionToWebProcess, RemoteGPU& gpu, WebCore::WebGPU::PresentationContext& presentationContext, WebGPU::ObjectHeap& objectHeap, Ref<IPC::StreamServerConnection>&& streamConnection, WebGPUIdentifier identifier)
{
return adoptRef(*new RemotePresentationContext(gpuConnectionToWebProcess, gpu, presentationContext, objectHeap, WTFMove(streamConnection), identifier));
}
virtual ~RemotePresentationContext();
std::optional<SharedPreferencesForWebProcess> sharedPreferencesForWebProcess() const { return m_gpu->sharedPreferencesForWebProcess(); }
void stopListeningForIPC();
private:
friend class WebGPU::ObjectHeap;
RemotePresentationContext(GPUConnectionToWebProcess&, RemoteGPU&, WebCore::WebGPU::PresentationContext&, WebGPU::ObjectHeap&, Ref<IPC::StreamServerConnection>&&, WebGPUIdentifier);
RemotePresentationContext(const RemotePresentationContext&) = delete;
RemotePresentationContext(RemotePresentationContext&&) = delete;
RemotePresentationContext& operator=(const RemotePresentationContext&) = delete;
RemotePresentationContext& operator=(RemotePresentationContext&&) = delete;
WebCore::WebGPU::PresentationContext& backing() { return m_backing; }
Ref<WebCore::WebGPU::PresentationContext> protectedBacking();
Ref<IPC::StreamServerConnection> protectedStreamConnection() const;
Ref<WebGPU::ObjectHeap> protectedObjectHeap() const;
Ref<RemoteGPU> protectedGPU() const { return m_gpu.get(); }
void didReceiveStreamMessage(IPC::StreamServerConnection&, IPC::Decoder&) final;
void configure(const WebGPU::CanvasConfiguration&);
void unconfigure();
void present(uint32_t frameIndex);
void getCurrentTexture(WebGPUIdentifier, uint32_t frameIndex);
Ref<WebCore::WebGPU::PresentationContext> m_backing;
WeakRef<WebGPU::ObjectHeap> m_objectHeap;
Ref<IPC::StreamServerConnection> m_streamConnection;
WebGPUIdentifier m_identifier;
ThreadSafeWeakPtr<GPUConnectionToWebProcess> m_gpuConnectionToWebProcess;
WeakRef<RemoteGPU> m_gpu;
};
} // namespace WebKit
#endif // ENABLE(GPU_PROCESS)
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