| /* |
| * Copyright (C) 2020 Igalia, S.L. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * aint with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| #pragma once |
| |
| #include <memory> |
| #include <wtf/HashMap.h> |
| #include <wtf/UniqueRef.h> |
| #include <wtf/Vector.h> |
| #include <wtf/WeakPtr.h> |
| |
| namespace PlatformXR { |
| |
| enum class SessionMode : uint8_t { |
| Inline, |
| ImmersiveVr, |
| ImmersiveAr, |
| }; |
| |
| enum class ReferenceSpaceType { |
| Viewer, |
| Local, |
| LocalFloor, |
| BoundedFloor, |
| Unbounded |
| }; |
| |
| #if ENABLE(WEBXR) |
| |
| class Device : public CanMakeWeakPtr<Device> { |
| WTF_MAKE_FAST_ALLOCATED; |
| WTF_MAKE_NONCOPYABLE(Device); |
| public: |
| virtual ~Device() = default; |
| |
| using ListOfEnabledFeatures = Vector<ReferenceSpaceType>; |
| bool supports(SessionMode mode) const { return m_enabledFeaturesMap.contains(mode); } |
| void setEnabledFeatures(SessionMode mode, const ListOfEnabledFeatures& features) { m_enabledFeaturesMap.set(mode, features); } |
| ListOfEnabledFeatures enabledFeatures(SessionMode mode) const { return m_enabledFeaturesMap.get(mode); } |
| |
| bool supportsOrientationTracking() const { return m_supportsOrientationTracking; } |
| |
| protected: |
| Device() = default; |
| |
| // https://immersive-web.github.io/webxr/#xr-device-concept |
| // Each XR device has a list of enabled features for each XRSessionMode in its list of supported modes, |
| // which is a list of feature descriptors which MUST be initially an empty list. |
| using EnabledFeaturesPerModeMap = WTF::HashMap<SessionMode, ListOfEnabledFeatures, WTF::IntHash<SessionMode>, WTF::StrongEnumHashTraits<SessionMode>>; |
| EnabledFeaturesPerModeMap m_enabledFeaturesMap; |
| |
| bool m_supportsOrientationTracking { false }; |
| }; |
| |
| class Instance { |
| public: |
| static Instance& singleton(); |
| |
| void enumerateImmersiveXRDevices(); |
| const Vector<std::unique_ptr<Device>>& immersiveXRDevices() const { return m_immersiveXRDevices; } |
| private: |
| friend LazyNeverDestroyed<Instance>; |
| Instance(); |
| ~Instance() = default; |
| |
| struct Impl; |
| UniqueRef<Impl> m_impl; |
| |
| Vector<std::unique_ptr<Device>> m_immersiveXRDevices; |
| }; |
| |
| #endif // ENABLE(WEBXR) |
| |
| } // namespace PlatformXR |