gecko-dev/gfx/vr/gfxVROpenVR.h

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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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 GFX_VR_OPENVR_H
#define GFX_VR_OPENVR_H
#include "nsTArray.h"
#include "nsIScreen.h"
#include "nsCOMPtr.h"
#include "mozilla/RefPtr.h"
#include "mozilla/gfx/2D.h"
#include "mozilla/EnumeratedArray.h"
#include "openvr.h"
#include "gfxVR.h"
#include "VRDisplayHost.h"
namespace mozilla {
namespace gfx {
namespace impl {
class VRDisplayOpenVR : public VRDisplayHost
{
public:
virtual void NotifyVSync() override;
void ZeroSensor() override;
protected:
virtual VRHMDSensorState GetSensorState() override;
virtual void StartPresentation() override;
virtual void StopPresentation() override;
#if defined(XP_WIN)
virtual bool SubmitFrame(mozilla::layers::TextureSourceD3D11* aSource,
const IntSize& aSize,
const gfx::Rect& aLeftEyeRect,
const gfx::Rect& aRightEyeRect) override;
#endif
public:
explicit VRDisplayOpenVR(::vr::IVRSystem *aVRSystem,
::vr::IVRChaperone *aVRChaperone,
::vr::IVRCompositor *aVRCompositor);
protected:
virtual ~VRDisplayOpenVR();
void Destroy();
// not owned by us; global from OpenVR
::vr::IVRSystem *mVRSystem;
::vr::IVRChaperone *mVRChaperone;
::vr::IVRCompositor *mVRCompositor;
bool mIsPresenting;
void UpdateStageParameters();
void PollEvents();
};
class VRControllerOpenVR : public VRControllerHost
{
public:
explicit VRControllerOpenVR(dom::GamepadHand aHand, uint32_t aNumButtons,
uint32_t aNumAxes, ::vr::ETrackedDeviceClass aDeviceType);
void SetTrackedIndex(uint32_t aTrackedIndex);
uint32_t GetTrackedIndex();
float GetAxisMove(uint32_t aAxis);
void SetAxisMove(uint32_t aAxis, float aValue);
void SetTrigger(float aValue);
float GetTrigger();
void SetHand(dom::GamepadHand aHand);
void VibrateHaptic(::vr::IVRSystem* aVRSystem,
uint32_t aHapticIndex,
double aIntensity,
double aDuration,
uint32_t aPromiseID);
void StopVibrateHaptic();
protected:
virtual ~VRControllerOpenVR();
private:
void UpdateVibrateHaptic(::vr::IVRSystem* aVRSystem,
uint32_t aHapticIndex,
double aIntensity,
double aDuration,
uint64_t aVibrateIndex,
uint32_t aPromiseID);
void VibrateHapticComplete(uint32_t aPromiseID);
// The index of tracked devices from ::vr::IVRSystem.
uint32_t mTrackedIndex;
float mTrigger;
nsTArray<float> mAxisMove;
nsCOMPtr<nsIThread> mVibrateThread;
Atomic<bool> mIsVibrateStopped;
};
} // namespace impl
class VRSystemManagerOpenVR : public VRSystemManager
{
public:
static already_AddRefed<VRSystemManagerOpenVR> Create();
virtual void Destroy() override;
virtual void Shutdown() override;
virtual void GetHMDs(nsTArray<RefPtr<VRDisplayHost> >& aHMDResult) override;
virtual bool GetIsPresenting() override;
virtual void HandleInput() override;
virtual void GetControllers(nsTArray<RefPtr<VRControllerHost>>&
aControllerResult) override;
virtual void ScanForControllers() override;
virtual void RemoveControllers() override;
virtual void VibrateHaptic(uint32_t aControllerIdx,
uint32_t aHapticIndex,
double aIntensity,
double aDuration,
uint32_t aPromiseID) override;
virtual void StopVibrateHaptic(uint32_t aControllerIdx) override;
protected:
VRSystemManagerOpenVR();
private:
void HandleButtonPress(uint32_t aControllerIdx,
uint32_t aButton,
uint64_t aButtonMask,
uint64_t aButtonPressed,
uint64_t aButtonTouched);
void HandleTriggerPress(uint32_t aControllerIdx,
uint32_t aButton,
float aValue);
void HandleAxisMove(uint32_t aControllerIdx, uint32_t aAxis,
float aValue);
void HandlePoseTracking(uint32_t aControllerIdx,
const dom::GamepadPoseState& aPose,
VRControllerHost* aController);
dom::GamepadHand GetGamepadHandFromControllerRole(
::vr::ETrackedControllerRole aRole);
// there can only be one
RefPtr<impl::VRDisplayOpenVR> mOpenVRHMD;
nsTArray<RefPtr<impl::VRControllerOpenVR>> mOpenVRController;
::vr::IVRSystem *mVRSystem;
};
} // namespace gfx
} // namespace mozilla
#endif /* GFX_VR_OPENVR_H */