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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 "XRDeviceProxy.h"
#if ENABLE(WEBXR)
#include "PlatformXRSystemProxy.h"
#include "XRDeviceInfo.h"
#include <WebCore/SecurityOriginData.h>
using namespace PlatformXR;
namespace WebKit {
Ref<XRDeviceProxy> XRDeviceProxy::create(XRDeviceInfo&& deviceInfo, PlatformXRSystemProxy& xrSystem)
{
return adoptRef(*new XRDeviceProxy(WTFMove(deviceInfo), xrSystem));
}
XRDeviceProxy::XRDeviceProxy(XRDeviceInfo&& deviceInfo, PlatformXRSystemProxy& xrSystem)
: m_identifier(deviceInfo.identifier)
, m_xrSystem(xrSystem)
{
m_supportsStereoRendering = deviceInfo.supportsStereoRendering;
m_supportsOrientationTracking = deviceInfo.supportsOrientationTracking;
m_recommendedResolution = deviceInfo.recommendedResolution;
m_minimumNearClipPlane = deviceInfo.minimumNearClipPlane;
if (!deviceInfo.vrFeatures.isEmpty())
setSupportedFeatures(SessionMode::ImmersiveVr, deviceInfo.vrFeatures);
if (!deviceInfo.arFeatures.isEmpty())
setSupportedFeatures(SessionMode::ImmersiveAr, deviceInfo.arFeatures);
}
void XRDeviceProxy::sessionDidEnd()
{
if (trackingAndRenderingClient())
trackingAndRenderingClient()->sessionDidEnd();
}
void XRDeviceProxy::updateSessionVisibilityState(PlatformXR::VisibilityState visibilityState)
{
if (trackingAndRenderingClient())
trackingAndRenderingClient()->updateSessionVisibilityState(visibilityState);
}
void XRDeviceProxy::initializeTrackingAndRendering(const WebCore::SecurityOriginData& securityOriginData, PlatformXR::SessionMode sessionMode, const PlatformXR::Device::FeatureList& requestedFeatures)
{
if (!isImmersive(sessionMode))
return;
RefPtr xrSystem = m_xrSystem.get();
if (!xrSystem)
return;
xrSystem->initializeTrackingAndRendering();
// This is called from the constructor of WebXRSession. Since sessionDidInitializeInputSources()
// ends up calling queueTaskKeepingObjectAlive() which refs the WebXRSession object, we
// should delay this call after the WebXRSession has finished construction.
callOnMainRunLoop([this, weakThis = ThreadSafeWeakPtr { *this }]() {
auto protectedThis = weakThis.get();
if (!protectedThis)
return;
if (trackingAndRenderingClient())
trackingAndRenderingClient()->sessionDidInitializeInputSources({ });
});
}
void XRDeviceProxy::shutDownTrackingAndRendering()
{
if (RefPtr xrSystem = m_xrSystem.get())
xrSystem->shutDownTrackingAndRendering();
}
void XRDeviceProxy::didCompleteShutdownTriggeredBySystem()
{
if (RefPtr xrSystem = m_xrSystem.get())
xrSystem->didCompleteShutdownTriggeredBySystem();
}
Vector<PlatformXR::Device::ViewData> XRDeviceProxy::views(SessionMode mode) const
{
Vector<Device::ViewData> views;
if (m_supportsStereoRendering && mode == SessionMode::ImmersiveVr) {
views.append({ .active = true, .eye = Eye::Left });
views.append({ .active = true, .eye = Eye::Right });
} else
views.append({ .active = true, .eye = Eye::None });
return views;
}
void XRDeviceProxy::requestFrame(std::optional<PlatformXR::RequestData>&& requestData, PlatformXR::Device::RequestFrameCallback&& callback)
{
if (RefPtr xrSystem = m_xrSystem.get())
xrSystem->requestFrame(WTFMove(requestData), WTFMove(callback));
else
callback({ });
}
std::optional<PlatformXR::LayerHandle> XRDeviceProxy::createLayerProjection(uint32_t width, uint32_t height, bool alpha)
{
RefPtr xrSystem = m_xrSystem.get();
return xrSystem ? xrSystem->createLayerProjection(width, height, alpha) : std::nullopt;
}
void XRDeviceProxy::submitFrame(Vector<PlatformXR::Device::Layer>&&)
{
if (RefPtr xrSystem = m_xrSystem.get())
xrSystem->submitFrame();
}
} // namespace WebKit
#endif // ENABLE(WEBXR)
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