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/*
* Copyright (C) 2024 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 "RemoteXRBinding.h"
#if ENABLE(GPU_PROCESS)
#include "GPUConnectionToWebProcess.h"
#include "RemoteGPU.h"
#include "RemoteXRBindingMessages.h"
#include "RemoteXRProjectionLayer.h"
#include "RemoteXRSubImage.h"
#include "StreamServerConnection.h"
#include "WebGPUObjectHeap.h"
#include <WebCore/WebGPUXRBinding.h>
#include <WebCore/WebGPUXRProjectionLayer.h>
#include <wtf/TZoneMalloc.h>
namespace WebKit {
WTF_MAKE_TZONE_ALLOCATED_IMPL(RemoteXRBinding);
RemoteXRBinding::RemoteXRBinding(GPUConnectionToWebProcess& gpuConnectionToWebProcess, WebCore::WebGPU::XRBinding& xrBinding, WebGPU::ObjectHeap& objectHeap, RemoteGPU& gpu, Ref<IPC::StreamServerConnection>&& streamConnection, WebGPUIdentifier identifier)
: m_backing(xrBinding)
, m_objectHeap(objectHeap)
, m_streamConnection(WTFMove(streamConnection))
, m_gpuConnectionToWebProcess(gpuConnectionToWebProcess)
, m_identifier(identifier)
, m_gpu(gpu)
{
protectedStreamConnection()->startReceivingMessages(*this, Messages::RemoteXRBinding::messageReceiverName(), m_identifier.toUInt64());
}
RemoteXRBinding::~RemoteXRBinding() = default;
Ref<IPC::StreamServerConnection> RemoteXRBinding::protectedStreamConnection()
{
return m_streamConnection;
}
Ref<WebCore::WebGPU::XRBinding> RemoteXRBinding::protectedBacking()
{
return m_backing;
}
Ref<RemoteGPU> RemoteXRBinding::protectedGPU()
{
return m_gpu.get();
}
void RemoteXRBinding::destruct()
{
Ref { m_objectHeap.get() }->removeObject(m_identifier);
}
void RemoteXRBinding::createProjectionLayer(WebCore::WebGPU::TextureFormat colorFormat, std::optional<WebCore::WebGPU::TextureFormat> depthStencilFormat, WebCore::WebGPU::TextureUsageFlags textureUsage, double scaleFactor, WebGPUIdentifier identifier)
{
WebCore::WebGPU::XRProjectionLayerInit init {
.colorFormat = colorFormat,
.depthStencilFormat = WTFMove(depthStencilFormat),
.textureUsage = textureUsage,
.scaleFactor = scaleFactor
};
RefPtr projectionLayer = protectedBacking()->createProjectionLayer(WTFMove(init));
if (!projectionLayer) {
// FIXME: Add MESSAGE_CHECK call
return;
}
Ref objectHeap = m_objectHeap.get();
Ref remoteProjectionLayer = RemoteXRProjectionLayer::create(*projectionLayer, objectHeap, protectedStreamConnection(), protectedGPU(), identifier);
objectHeap->addObject(identifier, remoteProjectionLayer);
}
void RemoteXRBinding::getViewSubImage(WebGPUIdentifier projectionLayerIdentifier, WebGPUIdentifier identifier)
{
Ref objectHeap = m_objectHeap.get();
auto projectionLayer = objectHeap->convertXRProjectionLayerFromBacking(projectionLayerIdentifier);
if (!projectionLayer) {
// FIXME: Add MESSAGE_CHECK call
return;
}
RefPtr subImage = protectedBacking()->getViewSubImage(*projectionLayer);
if (!subImage) {
// FIXME: Add MESSAGE_CHECK call
return;
}
Ref remoteSubImage = RemoteXRSubImage::create(*m_gpuConnectionToWebProcess.get(), *subImage, objectHeap, protectedStreamConnection(), protectedGPU(), identifier);
objectHeap->addObject(identifier, remoteSubImage);
}
void RemoteXRBinding::stopListeningForIPC()
{
protectedStreamConnection()->stopReceivingMessages(Messages::RemoteXRBinding::messageReceiverName(), m_identifier.toUInt64());
}
} // namespace WebKit
#undef MESSAGE_CHECK
#endif // ENABLE(GPU_PROCESS)
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