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/*
* Copyright (C) 2021 Sony Interactive Entertainment Inc.
*
* 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.
*/
#include "config.h"
#include "RemoteWCLayerTreeHostProxy.h"
#if USE(GRAPHICS_LAYER_WC)
#include "GPUConnectionToWebProcess.h"
#include "MessageSenderInlines.h"
#include "RemoteWCLayerTreeHostMessages.h"
#include "WCUpdateInfo.h"
#include "WebPage.h"
#include "WebProcess.h"
namespace WebKit {
RemoteWCLayerTreeHostProxy::RemoteWCLayerTreeHostProxy(WebPage& page, bool usesOffscreenRendering)
: m_page(page)
, m_usesOffscreenRendering(usesOffscreenRendering)
{
}
RemoteWCLayerTreeHostProxy::~RemoteWCLayerTreeHostProxy()
{
disconnectGpuProcessIfNeeded();
}
IPC::Connection* RemoteWCLayerTreeHostProxy::messageSenderConnection() const
{
return &const_cast<RemoteWCLayerTreeHostProxy&>(*this).ensureGPUProcessConnection().connection();
}
GPUProcessConnection& RemoteWCLayerTreeHostProxy::ensureGPUProcessConnection()
{
auto gpuProcessConnection = m_gpuProcessConnection.get();
if (!gpuProcessConnection) {
gpuProcessConnection = &WebProcess::singleton().ensureGPUProcessConnection();
m_gpuProcessConnection = gpuProcessConnection;
gpuProcessConnection->addClient(*this);
gpuProcessConnection->connection().send(
Messages::GPUConnectionToWebProcess::CreateWCLayerTreeHost(wcLayerTreeHostIdentifier(), m_page.nativeWindowHandle(), m_usesOffscreenRendering),
0, IPC::SendOption::DispatchMessageEvenWhenWaitingForSyncReply);
}
return *gpuProcessConnection;
}
void RemoteWCLayerTreeHostProxy::disconnectGpuProcessIfNeeded()
{
if (auto gpuProcessConnection = std::exchange(m_gpuProcessConnection, nullptr).get()) {
gpuProcessConnection->connection().send(Messages::GPUConnectionToWebProcess::ReleaseWCLayerTreeHost(wcLayerTreeHostIdentifier()), 0, IPC::SendOption::DispatchMessageEvenWhenWaitingForSyncReply);
}
}
void RemoteWCLayerTreeHostProxy::gpuProcessConnectionDidClose(GPUProcessConnection& previousConnection)
{
m_gpuProcessConnection = nullptr;
}
uint64_t RemoteWCLayerTreeHostProxy::messageSenderDestinationID() const
{
return wcLayerTreeHostIdentifier().toUInt64();
}
void RemoteWCLayerTreeHostProxy::update(WCUpdateInfo&& updateInfo, CompletionHandler<void(std::optional<WebKit::UpdateInfo>)>&& completionHandler)
{
sendWithAsyncReply(Messages::RemoteWCLayerTreeHost::Update(updateInfo), WTFMove(completionHandler));
}
} // namespace WebKit
#endif // USE(GRAPHICS_LAYER_WC)
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