165 lines
6.1 KiB
C++
165 lines
6.1 KiB
C++
/*
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* Copyright (C) 2020 Igalia S.L. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#if ENABLE(WEBXR)
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#include "ActiveDOMObject.h"
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#include "EventTarget.h"
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#include "JSDOMPromiseDeferred.h"
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#include "WebXRFrame.h"
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#include "WebXRInputSourceArray.h"
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#include "WebXRRenderState.h"
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#include "XREnvironmentBlendMode.h"
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#include "XRInteractionMode.h"
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#include "XRReferenceSpaceType.h"
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#include "XRSessionMode.h"
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#include "XRVisibilityState.h"
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#include <wtf/MonotonicTime.h>
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#include <wtf/Ref.h>
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#include <wtf/RefCounted.h>
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#include <wtf/RefPtr.h>
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#include <wtf/Vector.h>
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namespace WebCore {
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class XRFrameRequestCallback;
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class WebXRSystem;
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class WebXRView;
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class WebXRViewerSpace;
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struct XRRenderStateInit;
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class WebXRSession final : public RefCounted<WebXRSession>, public EventTargetWithInlineData, public ActiveDOMObject, public PlatformXR::TrackingAndRenderingClient {
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WTF_MAKE_ISO_ALLOCATED(WebXRSession);
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public:
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using RequestReferenceSpacePromise = DOMPromiseDeferred<IDLInterface<WebXRReferenceSpace>>;
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using EndPromise = DOMPromiseDeferred<void>;
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using FeatureList = PlatformXR::Device::FeatureList;
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static Ref<WebXRSession> create(Document&, WebXRSystem&, XRSessionMode, PlatformXR::Device&, FeatureList&&);
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virtual ~WebXRSession();
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using RefCounted<WebXRSession>::ref;
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using RefCounted<WebXRSession>::deref;
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using TrackingAndRenderingClient::weakPtrFactory;
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using WeakValueType = TrackingAndRenderingClient::WeakValueType;
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XREnvironmentBlendMode environmentBlendMode() const;
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XRInteractionMode interactionMode() const;
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XRVisibilityState visibilityState() const;
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const WebXRRenderState& renderState() const;
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const WebXRInputSourceArray& inputSources() const;
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PlatformXR::Device* device() const { return m_device.get(); }
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ExceptionOr<void> updateRenderState(const XRRenderStateInit&);
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void requestReferenceSpace(XRReferenceSpaceType, RequestReferenceSpacePromise&&);
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unsigned requestAnimationFrame(Ref<XRFrameRequestCallback>&&);
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void cancelAnimationFrame(unsigned callbackId);
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IntSize nativeWebGLFramebufferResolution() const;
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IntSize recommendedWebGLFramebufferResolution() const;
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bool supportsViewportScaling() const;
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bool isPositionEmulated() const;
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// EventTarget.
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ScriptExecutionContext* scriptExecutionContext() const final { return ActiveDOMObject::scriptExecutionContext(); }
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ExceptionOr<void> end(EndPromise&&);
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bool ended() const { return m_ended; }
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XRSessionMode mode() const { return m_mode; }
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const Vector<PlatformXR::Device::ViewData>& views() const { return m_views; }
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const PlatformXR::Device::FrameData& frameData() const { return m_frameData; }
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const WebXRViewerSpace& viewerReferenceSpace() const { return *m_viewerReferenceSpace; }
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bool posesCanBeReported(const Document&) const;
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private:
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WebXRSession(Document&, WebXRSystem&, XRSessionMode, PlatformXR::Device&, FeatureList&&);
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// EventTarget
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EventTargetInterface eventTargetInterface() const override { return WebXRSessionEventTargetInterfaceType; }
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void refEventTarget() override { ref(); }
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void derefEventTarget() override { deref(); }
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// ActiveDOMObject
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const char* activeDOMObjectName() const override;
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void stop() override;
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// PlatformXR::TrackingAndRenderingClient
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void sessionDidInitializeInputSources(Vector<PlatformXR::Device::FrameData::InputSource>&&) final;
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void sessionDidEnd() final;
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enum class InitiatedBySystem : bool { No, Yes };
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void shutdown(InitiatedBySystem);
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void didCompleteShutdown();
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bool referenceSpaceIsSupported(XRReferenceSpaceType) const;
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bool frameShouldBeRendered() const;
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void requestFrame();
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void onFrame(PlatformXR::Device::FrameData&&);
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void applyPendingRenderState();
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XREnvironmentBlendMode m_environmentBlendMode;
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XRInteractionMode m_interactionMode;
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XRVisibilityState m_visibilityState { XRVisibilityState::Visible };
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UniqueRef<WebXRInputSourceArray> m_inputSources;
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bool m_ended { false };
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std::optional<EndPromise> m_endPromise;
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WebXRSystem& m_xrSystem;
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XRSessionMode m_mode;
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WeakPtr<PlatformXR::Device> m_device;
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FeatureList m_requestedFeatures;
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RefPtr<WebXRRenderState> m_activeRenderState;
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RefPtr<WebXRRenderState> m_pendingRenderState;
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std::unique_ptr<WebXRViewerSpace> m_viewerReferenceSpace;
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MonotonicTime m_timeOrigin;
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unsigned m_nextCallbackId { 1 };
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Vector<Ref<XRFrameRequestCallback>> m_callbacks;
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Vector<PlatformXR::Device::ViewData> m_views;
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PlatformXR::Device::FrameData m_frameData;
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double m_minimumInlineFOV { 0.0 };
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double m_maximumInlineFOV { piFloat };
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// In meters.
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double m_minimumNearClipPlane { 0.1 };
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double m_maximumFarClipPlane { 1000.0 };
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// https://immersive-web.github.io/webxr/#xrsession-promise-resolved
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bool m_inputInitialized { false };
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};
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} // namespace WebCore
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#endif // ENABLE(WEBXR)
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