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/* -*- 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 GFX_VR_SERVICE_OPENVRSESSION_H
#define GFX_VR_SERVICE_OPENVRSESSION_H
#include "VRSession.h"
#include "openvr.h"
#include "mozilla/TimeStamp.h"
#include "moz_external_vr.h"
#include "OpenVRControllerMapper.h"
#if defined(XP_WIN)
# include <d3d11_1.h>
#endif
class nsITimer;
namespace mozilla {
namespace gfx {
class VRThread;
class OpenVRControllerMapper;
static const int kNumOpenVRHaptics = 1;
enum OpenVRHand : int8_t {
Left = 0,
Right = 1,
Total = 2,
None = -1
};
class OpenVRSession : public VRSession {
public:
OpenVRSession();
virtual ~OpenVRSession();
bool Initialize(mozilla::gfx::VRSystemState& aSystemState,
bool aDetectRuntimesOnly) override;
void Shutdown() override;
void ProcessEvents(mozilla::gfx::VRSystemState& aSystemState) override;
void StartFrame(mozilla::gfx::VRSystemState& aSystemState) override;
bool StartPresentation() override;
void StopPresentation() override;
void VibrateHaptic(uint32_t aControllerIdx, uint32_t aHapticIndex,
float aIntensity, float aDuration) override;
void StopVibrateHaptic(uint32_t aControllerIdx) override;
void StopAllHaptics() override;
protected:
#if defined(XP_WIN)
bool SubmitFrame(const mozilla::gfx::VRLayer_Stereo_Immersive& aLayer,
ID3D11Texture2D* aTexture) override;
#elif defined(XP_MACOSX)
bool SubmitFrame(const mozilla::gfx::VRLayer_Stereo_Immersive& aLayer,
const VRLayerTextureHandle& aTexture) override;
#endif
private:
// OpenVR State
::vr::IVRSystem* mVRSystem = nullptr;
::vr::IVRChaperone* mVRChaperone = nullptr;
::vr::IVRCompositor* mVRCompositor = nullptr;
::vr::VRActionSetHandle_t mActionsetFirefox = vr::k_ulInvalidActionSetHandle;
OpenVRHand mControllerDeviceIndex[kVRControllerMaxCount];
ControllerInfo mControllerHand[OpenVRHand::Total];
float mHapticPulseRemaining[kVRControllerMaxCount][kNumOpenVRHaptics];
float mHapticPulseIntensity[kVRControllerMaxCount][kNumOpenVRHaptics];
bool mIsWindowsMR;
TimeStamp mLastHapticUpdate;
static void HapticTimerCallback(nsITimer* aTimer, void* aClosure);
bool InitState(mozilla::gfx::VRSystemState& aSystemState);
void UpdateStageParameters(mozilla::gfx::VRDisplayState& aState);
void UpdateEyeParameters(mozilla::gfx::VRSystemState& aState);
void UpdateHeadsetPose(mozilla::gfx::VRSystemState& aState);
void EnumerateControllers(VRSystemState& aState);
void UpdateControllerPoses(VRSystemState& aState);
void UpdateControllerButtons(VRSystemState& aState);
void UpdateTelemetry(VRSystemState& aSystemState);
bool SetupContollerActions();
bool SubmitFrame(const VRLayerTextureHandle& aTextureHandle,
::vr::ETextureType aTextureType,
const VRLayerEyeRect& aLeftEyeRect,
const VRLayerEyeRect& aRightEyeRect);
#if defined(XP_WIN)
bool CreateD3DObjects();
#endif
void GetControllerDeviceId(::vr::ETrackedDeviceClass aDeviceType,
::vr::TrackedDeviceIndex_t aDeviceIndex,
nsCString& aId,
mozilla::gfx::VRControllerType& aControllerType);
void UpdateHaptics();
void StartHapticThread();
void StopHapticThread();
void StartHapticTimer();
void StopHapticTimer();
RefPtr<nsITimer> mHapticTimer;
RefPtr<VRThread> mHapticThread;
mozilla::Mutex mControllerHapticStateMutex MOZ_UNANNOTATED;
UniquePtr<OpenVRControllerMapper> mControllerMapper;
};
} // namespace gfx
} // namespace mozilla
#endif // GFX_VR_SERVICE_OPENVRSESSION_H
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