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Diffstat (limited to 'gfx/vr/ipc/VRManagerChild.h')
| -rw-r--r-- | gfx/vr/ipc/VRManagerChild.h | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/gfx/vr/ipc/VRManagerChild.h b/gfx/vr/ipc/VRManagerChild.h new file mode 100644 index 0000000000..7448007c07 --- /dev/null +++ b/gfx/vr/ipc/VRManagerChild.h @@ -0,0 +1,197 @@ +/* -*- 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_GFX_VR_VRMANAGERCHILD_H +#define MOZILLA_GFX_VR_VRMANAGERCHILD_H + +#include "nsISupportsImpl.h" +#include "mozilla/Attributes.h" +#include "mozilla/dom/AnimationFrameProviderBinding.h" +#include "mozilla/dom/WebXRBinding.h" +#include "mozilla/dom/XRFrame.h" +#include "mozilla/gfx/PVRManagerChild.h" +#include "mozilla/ipc/SharedMemory.h" // for SharedMemory, etc +#include "mozilla/layers/ISurfaceAllocator.h" // for ISurfaceAllocator +#include "mozilla/layers/LayersTypes.h" // for LayersBackend + +namespace mozilla { +namespace dom { +class Promise; +class GamepadManager; +class Navigator; +class VRDisplay; +class FrameRequestCallback; +} // namespace dom +namespace gfx { +class VRLayerChild; +class VRDisplayClient; + +class VRManagerEventObserver { + public: + NS_INLINE_DECL_PURE_VIRTUAL_REFCOUNTING + virtual void NotifyVRDisplayMounted(uint32_t aDisplayID) = 0; + virtual void NotifyVRDisplayUnmounted(uint32_t aDisplayID) = 0; + virtual void NotifyVRDisplayConnect(uint32_t aDisplayID) = 0; + virtual void NotifyVRDisplayDisconnect(uint32_t aDisplayID) = 0; + virtual void NotifyVRDisplayPresentChange(uint32_t aDisplayID) = 0; + virtual void NotifyPresentationGenerationChanged(uint32_t aDisplayID) = 0; + virtual bool GetStopActivityStatus() const = 0; + virtual void NotifyEnumerationCompleted() = 0; + virtual void NotifyDetectRuntimesCompleted() = 0; + + protected: + virtual ~VRManagerEventObserver() = default; +}; + +class VRManagerChild : public PVRManagerChild { + friend class PVRManagerChild; + + public: + NS_INLINE_DECL_THREADSAFE_REFCOUNTING(VRManagerChild, override); + + static VRManagerChild* Get(); + + // Indicate that an observer wants to receive VR events. + void AddListener(VRManagerEventObserver* aObserver); + // Indicate that an observer should no longer receive VR events. + void RemoveListener(VRManagerEventObserver* aObserver); + void StartActivity(); + void StopActivity(); + bool RuntimeSupportsVR() const; + bool RuntimeSupportsAR() const; + bool RuntimeSupportsInline() const; + + void GetVRDisplays(nsTArray<RefPtr<VRDisplayClient>>& aDisplays); + bool RefreshVRDisplaysWithCallback(uint64_t aWindowId); + bool EnumerateVRDisplays(); + void DetectRuntimes(); + void AddPromise(const uint32_t& aID, dom::Promise* aPromise); + gfx::VRAPIMode GetVRAPIMode(uint32_t aDisplayID) const; + + static void InitSameProcess(); + static void InitWithGPUProcess(Endpoint<PVRManagerChild>&& aEndpoint); + static bool InitForContent(Endpoint<PVRManagerChild>&& aEndpoint); + static void ShutDown(); + + static bool IsCreated(); + static bool IsPresenting(); + static TimeStamp GetIdleDeadlineHint(TimeStamp aDefault); + + PVRLayerChild* CreateVRLayer(uint32_t aDisplayID, uint32_t aGroup); + + static void IdentifyTextureHost( + const layers::TextureFactoryIdentifier& aIdentifier); + layers::LayersBackend GetBackendType() const; + + nsresult ScheduleFrameRequestCallback(dom::FrameRequestCallback& aCallback, + int32_t* aHandle); + void CancelFrameRequestCallback(int32_t aHandle); + MOZ_CAN_RUN_SCRIPT + void RunFrameRequestCallbacks(); + void NotifyPresentationGenerationChanged(uint32_t aDisplayID); + + MOZ_CAN_RUN_SCRIPT + void UpdateDisplayInfo(const VRDisplayInfo& aDisplayInfo); + void FireDOMVRDisplayMountedEvent(uint32_t aDisplayID); + void FireDOMVRDisplayUnmountedEvent(uint32_t aDisplayID); + void FireDOMVRDisplayConnectEvent(uint32_t aDisplayID); + void FireDOMVRDisplayDisconnectEvent(uint32_t aDisplayID); + void FireDOMVRDisplayPresentChangeEvent(uint32_t aDisplayID); + void FireDOMVRDisplayConnectEventsForLoad(VRManagerEventObserver* aObserver); + + void HandleFatalError(const char* aMsg) override; + void ActorDestroy(ActorDestroyReason aReason) override; + + void RunPuppet(const nsTArray<uint64_t>& aBuffer, dom::Promise* aPromise, + ErrorResult& aRv); + void ResetPuppet(dom::Promise* aPromise, ErrorResult& aRv); + + protected: + explicit VRManagerChild(); + ~VRManagerChild(); + + PVRLayerChild* AllocPVRLayerChild(const uint32_t& aDisplayID, + const uint32_t& aGroup); + bool DeallocPVRLayerChild(PVRLayerChild* actor); + + // MOZ_CAN_RUN_SCRIPT_BOUNDARY until we can mark ipdl-generated things as + // MOZ_CAN_RUN_SCRIPT. + MOZ_CAN_RUN_SCRIPT_BOUNDARY + mozilla::ipc::IPCResult RecvUpdateDisplayInfo( + const VRDisplayInfo& aDisplayInfo); + mozilla::ipc::IPCResult RecvUpdateRuntimeCapabilities( + const VRDisplayCapabilityFlags& aCapabilities); + mozilla::ipc::IPCResult RecvReplyGamepadVibrateHaptic( + const uint32_t& aPromiseID); + + MOZ_CAN_RUN_SCRIPT_BOUNDARY + mozilla::ipc::IPCResult RecvNotifyPuppetCommandBufferCompleted(bool aSuccess); + MOZ_CAN_RUN_SCRIPT_BOUNDARY + mozilla::ipc::IPCResult RecvNotifyPuppetResetComplete(); + + bool IsSameProcess() const { return OtherPid() == base::GetCurrentProcId(); } + + private: + void FireDOMVRDisplayMountedEventInternal(uint32_t aDisplayID); + void FireDOMVRDisplayUnmountedEventInternal(uint32_t aDisplayID); + void FireDOMVRDisplayConnectEventInternal(uint32_t aDisplayID); + void FireDOMVRDisplayDisconnectEventInternal(uint32_t aDisplayID); + void FireDOMVRDisplayPresentChangeEventInternal(uint32_t aDisplayID); + void FireDOMVRDisplayConnectEventsForLoadInternal( + uint32_t aDisplayID, VRManagerEventObserver* aObserver); + void NotifyPresentationGenerationChangedInternal(uint32_t aDisplayID); + void NotifyEnumerationCompletedInternal(); + void NotifyRuntimeCapabilitiesUpdatedInternal(); + + nsTArray<RefPtr<VRDisplayClient>> mDisplays; + VRDisplayCapabilityFlags mRuntimeCapabilities; + bool mDisplaysInitialized; + nsTArray<uint64_t> mNavigatorCallbacks; + + struct XRFrameRequest { + XRFrameRequest(mozilla::dom::FrameRequestCallback& aCallback, + int32_t aHandle) + : mCallback(&aCallback), mHandle(aHandle) {} + + XRFrameRequest(mozilla::dom::XRFrameRequestCallback& aCallback, + mozilla::dom::XRFrame& aFrame, int32_t aHandle) + : mXRCallback(&aCallback), mXRFrame(&aFrame), mHandle(aHandle) {} + MOZ_CAN_RUN_SCRIPT + void Call(const DOMHighResTimeStamp& aTimeStamp); + + // 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::FrameRequestCallback> mCallback; + RefPtr<mozilla::dom::XRFrameRequestCallback> mXRCallback; + RefPtr<mozilla::dom::XRFrame> mXRFrame; + int32_t mHandle; + }; + + nsTArray<XRFrameRequest> mFrameRequestCallbacks; + /** + * The current frame request callback handle + */ + int32_t mFrameRequestCallbackCounter; + mozilla::TimeStamp mStartTimeStamp; + + nsTArray<RefPtr<VRManagerEventObserver>> mListeners; + bool mWaitingForEnumeration; + + layers::LayersBackend mBackend; + nsRefPtrHashtable<nsUint32HashKey, dom::Promise> mGamepadPromiseList; + RefPtr<dom::Promise> mRunPuppetPromise; + nsTArray<RefPtr<dom::Promise>> mResetPuppetPromises; + + DISALLOW_COPY_AND_ASSIGN(VRManagerChild); +}; + +} // namespace gfx +} // namespace mozilla + +#endif // MOZILLA_GFX_VR_VRMANAGERCHILD_H |