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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /dom/vr/XRSession.h | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/vr/XRSession.h')
-rw-r--r-- | dom/vr/XRSession.h | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/dom/vr/XRSession.h b/dom/vr/XRSession.h new file mode 100644 index 0000000000..9215058a1b --- /dev/null +++ b/dom/vr/XRSession.h @@ -0,0 +1,159 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this file, + * You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef mozilla_dom_XRSession_h_ +#define mozilla_dom_XRSession_h_ + +#include "mozilla/DOMEventTargetHelper.h" +#include "mozilla/dom/WebXRBinding.h" +#include "nsRefreshObservers.h" + +#include "gfxVR.h" + +class nsRefreshDriver; + +namespace mozilla { +namespace gfx { +class VRDisplayClient; +class VRDisplayPresentation; +} // namespace gfx +namespace dom { + +class XRSystem; +enum class XREye : uint8_t; +enum class XRReferenceSpaceType : uint8_t; +enum class XRSessionMode : uint8_t; +enum class XRVisibilityState : uint8_t; +class XRFrame; +class XRFrameRequestCallback; +class XRInputSource; +class XRInputSourceArray; +class XRLayer; +struct XRReferenceSpaceOptions; +class XRRenderState; +struct XRRenderStateInit; +class XRSpace; +class XRViewerPose; + +class XRSession final : public DOMEventTargetHelper, public nsARefreshObserver { + public: + NS_DECL_ISUPPORTS_INHERITED + NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(XRSession, DOMEventTargetHelper) + + private: + explicit XRSession( + nsPIDOMWindowInner* aWindow, XRSystem* aXRSystem, + nsRefreshDriver* aRefreshDriver, gfx::VRDisplayClient* aClient, + uint32_t aPresentationGroup, + const nsTArray<XRReferenceSpaceType>& aEnabledReferenceSpaceTypes); + + public: + static already_AddRefed<XRSession> CreateInlineSession( + nsPIDOMWindowInner* aWindow, XRSystem* aXRSystem, + const nsTArray<XRReferenceSpaceType>& aEnabledReferenceSpaceTypes); + static already_AddRefed<XRSession> CreateImmersiveSession( + nsPIDOMWindowInner* aWindow, XRSystem* aXRSystem, + gfx::VRDisplayClient* aClient, uint32_t aPresentationGroup, + const nsTArray<XRReferenceSpaceType>& aEnabledReferenceSpaceTypes); + + // WebIDL Boilerplate + JSObject* WrapObject(JSContext* aCx, + JS::Handle<JSObject*> aGivenProto) override; + + // WebIDL Attributes + XRVisibilityState VisibilityState() const; + XRRenderState* RenderState(); + XRInputSourceArray* InputSources(); + Nullable<float> GetFrameRate(); + void GetSupportedFrameRates(JSContext* aJSContext, + JS::MutableHandle<JSObject*> aRetval); + + // WebIDL Methods + void UpdateRenderState(const XRRenderStateInit& aNewState, ErrorResult& aRv); + already_AddRefed<Promise> RequestReferenceSpace( + const XRReferenceSpaceType& aReferenceSpaceType, ErrorResult& aRv); + int32_t RequestAnimationFrame(XRFrameRequestCallback& aCallback, + mozilla::ErrorResult& aError); + void CancelAnimationFrame(int32_t aHandle, mozilla::ErrorResult& aError); + already_AddRefed<Promise> End(ErrorResult& aRv); + already_AddRefed<Promise> UpdateTargetFrameRate(float aRate, + ErrorResult& aRv); + + // WebIDL Events + IMPL_EVENT_HANDLER(end); + IMPL_EVENT_HANDLER(inputsourceschange); + IMPL_EVENT_HANDLER(select); + IMPL_EVENT_HANDLER(selectstart); + IMPL_EVENT_HANDLER(selectend); + IMPL_EVENT_HANDLER(squeeze); + IMPL_EVENT_HANDLER(squeezestart); + IMPL_EVENT_HANDLER(squeezeend); + IMPL_EVENT_HANDLER(visibilitychange); + + // Non WebIDL Members + gfx::VRDisplayClient* GetDisplayClient() const; + XRRenderState* GetActiveRenderState() const; + bool IsEnded() const; + bool IsImmersive() const; + MOZ_CAN_RUN_SCRIPT + void StartFrame(); + void ExitPresent(); + RefPtr<XRViewerPose> PooledViewerPose(const gfx::Matrix4x4Double& aTransform, + bool aEmulatedPosition); + bool CanReportPoses() const; + + // nsARefreshObserver + MOZ_CAN_RUN_SCRIPT + void WillRefresh(mozilla::TimeStamp aTime) override; + + protected: + virtual ~XRSession(); + void LastRelease() override; + void DisconnectFromOwner() override; + void Shutdown(); + void ExitPresentInternal(); + void ApplyPendingRenderState(); + RefPtr<XRFrame> PooledFrame(); + RefPtr<XRSystem> mXRSystem; + bool mShutdown; + bool mEnded; + RefPtr<nsRefreshDriver> mRefreshDriver; + RefPtr<gfx::VRDisplayClient> mDisplayClient; + RefPtr<gfx::VRDisplayPresentation> mDisplayPresentation; + RefPtr<XRRenderState> mActiveRenderState; + RefPtr<XRRenderState> mPendingRenderState; + RefPtr<XRInputSourceArray> mInputSources; + + struct XRFrameRequest { + XRFrameRequest(mozilla::dom::XRFrameRequestCallback& aCallback, + int32_t aHandle) + : mCallback(&aCallback), mHandle(aHandle) {} + MOZ_CAN_RUN_SCRIPT + void Call(const DOMHighResTimeStamp& aTimeStamp, XRFrame& aFrame); + + // Comparator operators to allow RemoveElementSorted with an + // integer argument on arrays of XRFrameRequest + bool operator==(int32_t aHandle) const { return mHandle == aHandle; } + bool operator<(int32_t aHandle) const { return mHandle < aHandle; } + + RefPtr<mozilla::dom::XRFrameRequestCallback> mCallback; + int32_t mHandle; + }; + + int32_t mFrameRequestCallbackCounter; + nsTArray<XRFrameRequest> mFrameRequestCallbacks; + mozilla::TimeStamp mStartTimeStamp; + nsTArray<XRReferenceSpaceType> mEnabledReferenceSpaceTypes; + nsTArray<RefPtr<XRViewerPose>> mViewerPosePool; + uint32_t mViewerPosePoolIndex; + nsTArray<RefPtr<XRFrame>> mFramePool; + uint32_t mFramePoolIndex; +}; + +} // namespace dom +} // namespace mozilla + +#endif // mozilla_dom_XRSession_h_ |