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/*
* Copyright (C) 2021-2023 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 "GPUProcessConnection.h"
#include "RenderingBackendIdentifier.h"
#include "StreamClientConnection.h"
#include "WebGPUIdentifier.h"
#include <WebCore/WebGPU.h>
#include <WebCore/WebGPUPresentationContext.h>
#include <wtf/Deque.h>
namespace WebKit {
class GPUProcessConnection;
}
namespace WebKit {
namespace WebGPU {
class ConvertToBackingContext;
class DowncastConvertToBackingContext;
}
class RemoteGPUProxy final : public WebCore::WebGPU::GPU, private IPC::Connection::Client, private GPUProcessConnection::Client, public ThreadSafeRefCountedAndCanMakeThreadSafeWeakPtr<RemoteGPUProxy> {
WTF_MAKE_FAST_ALLOCATED;
public:
static RefPtr<RemoteGPUProxy> create(GPUProcessConnection&, WebGPU::ConvertToBackingContext&, WebGPUIdentifier, RenderingBackendIdentifier);
virtual ~RemoteGPUProxy();
RemoteGPUProxy& root() { return *this; }
IPC::StreamClientConnection& streamClientConnection() { return *m_streamConnection; }
void ref() const final { return ThreadSafeRefCountedAndCanMakeThreadSafeWeakPtr<RemoteGPUProxy>::ref(); }
void deref() const final { return ThreadSafeRefCountedAndCanMakeThreadSafeWeakPtr<RemoteGPUProxy>::deref(); }
ThreadSafeWeakPtrControlBlock& controlBlock() const final { return ThreadSafeRefCountedAndCanMakeThreadSafeWeakPtr<RemoteGPUProxy>::controlBlock(); }
private:
friend class WebGPU::DowncastConvertToBackingContext;
RemoteGPUProxy(GPUProcessConnection&, Ref<IPC::StreamClientConnection>, WebGPU::ConvertToBackingContext&, WebGPUIdentifier);
void initializeIPC(IPC::StreamServerConnection::Handle&&, RenderingBackendIdentifier);
RemoteGPUProxy(const RemoteGPUProxy&) = delete;
RemoteGPUProxy(RemoteGPUProxy&&) = delete;
RemoteGPUProxy& operator=(const RemoteGPUProxy&) = delete;
RemoteGPUProxy& operator=(RemoteGPUProxy&&) = delete;
// IPC::Connection::Client
void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final;
void didClose(IPC::Connection&) final { }
void didReceiveInvalidMessage(IPC::Connection&, IPC::MessageName) final { }
// GPUProcessConnection::Client
void gpuProcessConnectionDidClose(GPUProcessConnection&) final;
// Messages to be received.
void wasCreated(bool didSucceed, IPC::Semaphore&& wakeUpSemaphore, IPC::Semaphore&& clientWaitSemaphore);
void waitUntilInitialized();
WebGPUIdentifier backing() const { return m_backing; }
static inline constexpr Seconds defaultSendTimeout = 30_s;
template<typename T>
WARN_UNUSED_RETURN IPC::Error send(T&& message)
{
return root().streamClientConnection().send(WTFMove(message), backing(), defaultSendTimeout);
}
template<typename T>
WARN_UNUSED_RETURN IPC::Connection::SendSyncResult<T> sendSync(T&& message)
{
return root().streamClientConnection().sendSync(WTFMove(message), backing(), defaultSendTimeout);
}
IPC::Connection& connection() const { return m_gpuProcessConnection.get()->connection(); }
void requestAdapter(const WebCore::WebGPU::RequestAdapterOptions&, CompletionHandler<void(RefPtr<WebCore::WebGPU::Adapter>&&)>&&) final;
Ref<WebCore::WebGPU::PresentationContext> createPresentationContext(const WebCore::WebGPU::PresentationContextDescriptor&) final;
Ref<WebCore::WebGPU::CompositorIntegration> createCompositorIntegration() final;
void abandonGPUProcess();
void disconnectGpuProcessIfNeeded();
Deque<CompletionHandler<void(RefPtr<WebCore::WebGPU::Adapter>&&)>> m_callbacks;
WebGPUIdentifier m_backing;
Ref<WebGPU::ConvertToBackingContext> m_convertToBackingContext;
ThreadSafeWeakPtr<GPUProcessConnection> m_gpuProcessConnection;
bool m_didInitialize { false };
bool m_lost { false };
RefPtr<IPC::StreamClientConnection> m_streamConnection;
};
} // namespace WebKit
#endif // ENABLE(GPU_PROCESS)
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