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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 "RemoteWCLayerTreeHost.h"
#if USE(GRAPHICS_LAYER_WC)
#include "GPUConnectionToWebProcess.h"
#include "GPUProcess.h"
#include "RemoteGraphicsContextGL.h"
#include "RemoteWCLayerTreeHostMessages.h"
#include "StreamConnectionWorkQueue.h"
#include "WCScene.h"
#include "WCUpdateInfo.h"
namespace WebKit {
IPC::StreamConnectionWorkQueue& remoteGraphicsStreamWorkQueue()
{
#if ENABLE(WEBGL)
return remoteGraphicsContextGLStreamWorkQueue();
#else
static LazyNeverDestroyed<IPC::StreamConnectionWorkQueue> instance;
static std::once_flag onceKey;
std::call_once(onceKey, [&] {
instance.construct("RemoteWCLayerTreeHost work queue"); // LazyNeverDestroyed owns the initial ref.
});
return instance.get();
#endif
}
std::unique_ptr<RemoteWCLayerTreeHost> RemoteWCLayerTreeHost::create(GPUConnectionToWebProcess& connectionToWebProcess, WebKit::WCLayerTreeHostIdentifier identifier, uint64_t nativeWindow, bool usesOffscreenRendering)
{
return makeUnique<RemoteWCLayerTreeHost>(connectionToWebProcess, identifier, nativeWindow, usesOffscreenRendering);
}
RemoteWCLayerTreeHost::RemoteWCLayerTreeHost(GPUConnectionToWebProcess& connectionToWebProcess, WebKit::WCLayerTreeHostIdentifier identifier, uint64_t nativeWindow, bool usesOffscreenRendering)
: m_connectionToWebProcess(connectionToWebProcess)
, m_webProcessIdentifier(connectionToWebProcess.webProcessIdentifier())
, m_identifier(identifier)
, m_sharedSceneContextHolder(connectionToWebProcess.gpuProcess().sharedSceneContext().ensureHolderForWindow(nativeWindow))
{
m_connectionToWebProcess->messageReceiverMap().addMessageReceiver(Messages::RemoteWCLayerTreeHost::messageReceiverName(), m_identifier.toUInt64(), *this);
m_scene = makeUnique<WCScene>(m_webProcessIdentifier, usesOffscreenRendering);
remoteGraphicsStreamWorkQueue().dispatch([scene = m_scene.get(), sceneContextHolder = m_sharedSceneContextHolder.get(), nativeWindow] {
if (!sceneContextHolder->context)
sceneContextHolder->context.emplace(nativeWindow);
scene->initialize(*sceneContextHolder->context);
});
}
RemoteWCLayerTreeHost::~RemoteWCLayerTreeHost()
{
ASSERT(m_connectionToWebProcess);
m_connectionToWebProcess->messageReceiverMap().removeMessageReceiver(Messages::RemoteWCLayerTreeHost::messageReceiverName(), m_identifier.toUInt64());
auto sceneContextHolder = m_connectionToWebProcess->gpuProcess().sharedSceneContext().removeHolder(m_sharedSceneContextHolder.releaseNonNull());
remoteGraphicsStreamWorkQueue().dispatch([sceneContextHolder = WTFMove(sceneContextHolder), scene = WTFMove(m_scene)]() mutable {
// Destroy scene on the StreamWorkQueue thread.
scene = nullptr;
// sceneContextHolder can be destroyed on the StreamWorkQueue thread because it hasOneRef.
});
}
IPC::Connection* RemoteWCLayerTreeHost::messageSenderConnection() const
{
return &m_connectionToWebProcess->connection();
}
uint64_t RemoteWCLayerTreeHost::messageSenderDestinationID() const
{
return m_identifier.toUInt64();
}
void RemoteWCLayerTreeHost::update(WCUpdateInfo&& update, CompletionHandler<void(std::optional<WebKit::UpdateInfo>)>&& completionHandler)
{
remoteGraphicsStreamWorkQueue().dispatch([weakThis = WeakPtr(*this), scene = m_scene.get(), update = WTFMove(update), completionHandler = WTFMove(completionHandler)]() mutable {
auto updateInfo = scene->update(WTFMove(update));
RunLoop::main().dispatch([weakThis = WTFMove(weakThis), updateInfo = WTFMove(updateInfo), completionHandler = WTFMove(completionHandler)]() mutable {
if (!weakThis)
return;
completionHandler(WTFMove(updateInfo));
});
});
}
} // namespace WebKit
#endif // USE(GRAPHICS_LAYER_WC)
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