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2072f84821
MozReview-Commit-ID: G9aHbp0G7DK Differential Revision: https://phabricator.services.mozilla.com/D3152 --HG-- extra : moz-landing-system : lando
143 lines
4.4 KiB
C++
143 lines
4.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GFX_VR_EXTERNAL_H
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#define GFX_VR_EXTERNAL_H
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#include "nsTArray.h"
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#include "nsIScreen.h"
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#include "nsCOMPtr.h"
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#include "mozilla/RefPtr.h"
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#include "mozilla/gfx/2D.h"
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#include "mozilla/EnumeratedArray.h"
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#include "gfxVR.h"
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#include "VRDisplayHost.h"
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#if defined(XP_MACOSX)
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class MacIOSurface;
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#endif
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namespace mozilla {
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namespace gfx {
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class VRThread;
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namespace impl {
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class VRDisplayExternal : public VRDisplayHost
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{
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public:
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void ZeroSensor() override;
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protected:
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VRHMDSensorState GetSensorState() override;
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void StartPresentation() override;
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void StopPresentation() override;
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void StartVRNavigation() override;
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void StopVRNavigation(const TimeDuration& aTimeout) override;
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bool SubmitFrame(const layers::SurfaceDescriptor& aTexture,
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uint64_t aFrameId,
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const gfx::Rect& aLeftEyeRect,
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const gfx::Rect& aRightEyeRect) override;
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public:
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explicit VRDisplayExternal(const VRDisplayState& aDisplayState);
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void Refresh();
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const VRControllerState& GetLastControllerState(uint32_t aStateIndex) const;
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protected:
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virtual ~VRDisplayExternal();
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void Destroy();
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private:
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bool PopulateLayerTexture(const layers::SurfaceDescriptor& aTexture,
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VRLayerTextureType* aTextureType,
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VRLayerTextureHandle* aTextureHandle);
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void PushState(bool aNotifyCond = false);
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#if defined(MOZ_WIDGET_ANDROID)
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bool PullState(const std::function<bool()>& aWaitCondition = nullptr);
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void PostVRTask();
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void RunVRTask();
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#else
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bool PullState();
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#endif
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VRTelemetry mTelemetry;
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TimeStamp mVRNavigationTransitionEnd;
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VRBrowserState mBrowserState;
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VRHMDSensorState mLastSensorState;
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};
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} // namespace impl
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class VRSystemManagerExternal : public VRSystemManager
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{
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public:
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static already_AddRefed<VRSystemManagerExternal> Create(VRExternalShmem* aAPIShmem = nullptr);
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virtual void Destroy() override;
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virtual void Shutdown() override;
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virtual void NotifyVSync() override;
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virtual void Enumerate() override;
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virtual bool ShouldInhibitEnumeration() override;
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virtual void GetHMDs(nsTArray<RefPtr<VRDisplayHost>>& aHMDResult) override;
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virtual bool GetIsPresenting() override;
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virtual void HandleInput() override;
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virtual void GetControllers(nsTArray<RefPtr<VRControllerHost>>&
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aControllerResult) override;
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virtual void ScanForControllers() override;
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virtual void RemoveControllers() override;
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virtual void VibrateHaptic(uint32_t aControllerIdx,
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uint32_t aHapticIndex,
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double aIntensity,
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double aDuration,
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const VRManagerPromise& aPromise) override;
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virtual void StopVibrateHaptic(uint32_t aControllerIdx) override;
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#if defined(MOZ_WIDGET_ANDROID)
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bool PullState(VRDisplayState* aDisplayState,
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VRHMDSensorState* aSensorState = nullptr,
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VRControllerState* aControllerState = nullptr,
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const std::function<bool()>& aWaitCondition = nullptr);
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#else
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bool PullState(VRDisplayState* aDisplayState,
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VRHMDSensorState* aSensorState = nullptr,
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VRControllerState* aControllerState = nullptr);
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#endif
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void PushState(VRBrowserState* aBrowserState, const bool aNotifyCond = false);
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protected:
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explicit VRSystemManagerExternal(VRExternalShmem* aAPIShmem = nullptr);
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virtual ~VRSystemManagerExternal();
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private:
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// there can only be one
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RefPtr<impl::VRDisplayExternal> mDisplay;
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#if defined(XP_MACOSX)
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int mShmemFD;
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#elif defined(XP_WIN)
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base::ProcessHandle mShmemFile;
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#elif defined(MOZ_WIDGET_ANDROID)
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bool mDoShutdown;
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bool mExternalStructFailed;
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bool mEnumerationCompleted;
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#endif
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volatile VRExternalShmem* mExternalShmem;
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#if !defined(MOZ_WIDGET_ANDROID)
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bool mSameProcess;
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#endif
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void OpenShmem();
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void CloseShmem();
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void CheckForShutdown();
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};
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} // namespace gfx
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} // namespace mozilla
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#endif /* GFX_VR_EXTERNAL_H */
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