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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.
*/
#include "config.h"
#include "RemoteXRSubImage.h"
#if ENABLE(GPU_PROCESS)
#include "GPUConnectionToWebProcess.h"
#include "RemoteGPU.h"
#include "RemoteTexture.h"
#include "RemoteXRSubImageMessages.h"
#include "StreamServerConnection.h"
#include "WebGPUObjectHeap.h"
#include <WebCore/WebGPUTexture.h>
#include <WebCore/WebGPUXRSubImage.h>
#include <wtf/TZoneMalloc.h>
#define MESSAGE_CHECK(assertion) MESSAGE_CHECK_OPTIONAL_CONNECTION_BASE(assertion, connection())
namespace WebKit {
WTF_MAKE_TZONE_ALLOCATED_IMPL(RemoteXRSubImage);
RemoteXRSubImage::RemoteXRSubImage(GPUConnectionToWebProcess& gpuConnectionToWebProcess, WebCore::WebGPU::XRSubImage& xrSubImage, WebGPU::ObjectHeap& objectHeap, Ref<IPC::StreamServerConnection>&& streamConnection, RemoteGPU& gpu, WebGPUIdentifier identifier)
: m_backing(xrSubImage)
, m_objectHeap(objectHeap)
, m_streamConnection(WTFMove(streamConnection))
, m_gpuConnectionToWebProcess(gpuConnectionToWebProcess)
, m_identifier(identifier)
, m_gpu(gpu)
{
protectedStreamConnection()->startReceivingMessages(*this, Messages::RemoteXRSubImage::messageReceiverName(), m_identifier.toUInt64());
}
RemoteXRSubImage::~RemoteXRSubImage() = default;
Ref<IPC::StreamServerConnection> RemoteXRSubImage::protectedStreamConnection()
{
return m_streamConnection;
}
Ref<WebCore::WebGPU::XRSubImage> RemoteXRSubImage::protectedBacking()
{
return m_backing;
}
Ref<RemoteGPU> RemoteXRSubImage::protectedGPU() const
{
return m_gpu.get();
}
RefPtr<IPC::Connection> RemoteXRSubImage::connection() const
{
RefPtr connection = protectedGPU()->gpuConnectionToWebProcess();
if (!connection)
return nullptr;
return &connection->connection();
}
void RemoteXRSubImage::destruct()
{
Ref { m_objectHeap.get() }->removeObject(m_identifier);
}
void RemoteXRSubImage::getColorTexture(WebGPUIdentifier identifier)
{
auto texture = protectedBacking()->colorTexture();
ASSERT(texture);
auto connection = m_gpuConnectionToWebProcess.get();
if (!texture || !connection)
return;
Ref objectHeap = m_objectHeap.get();
auto remoteTexture = RemoteTexture::create(*connection, protectedGPU(), *texture, objectHeap, protectedStreamConnection(), identifier);
objectHeap->addObject(identifier, remoteTexture);
}
void RemoteXRSubImage::getDepthTexture(WebGPUIdentifier identifier)
{
auto texture = protectedBacking()->depthStencilTexture();
ASSERT(texture);
auto connection = m_gpuConnectionToWebProcess.get();
if (!texture || !connection)
return;
Ref objectHeap = m_objectHeap.get();
auto remoteTexture = RemoteTexture::create(*connection, protectedGPU(), *texture, objectHeap, protectedStreamConnection(), identifier);
objectHeap->addObject(identifier, remoteTexture);
}
void RemoteXRSubImage::stopListeningForIPC()
{
protectedStreamConnection()->stopReceivingMessages(Messages::RemoteXRSubImage::messageReceiverName(), m_identifier.toUInt64());
}
} // namespace WebKit
#undef MESSAGE_CHECK
#endif // ENABLE(GPU_PROCESS)
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