OSVRSession.h - mozsearch

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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_OSVRSESSION_H

#define GFX_VR_SERVICE_OSVRSESSION_H

#include "VRSession.h"

#include "mozilla/gfx/2D.h"

#include "mozilla/TimeStamp.h"

#include "moz_external_vr.h"

#include <osvr/ClientKit/ClientKitC.h>

#include <osvr/ClientKit/DisplayC.h>

#if defined(XP_WIN)

#  include <d3d11_1.h>

#endif

namespace mozilla {

namespace gfx {

class OSVRSession : public VRSession {

 public:

  OSVRSession();

  virtual ~OSVRSession();

  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:

  bool InitState(mozilla::gfx::VRSystemState& aSystemState);

  void UpdateHeadsetPose(mozilla::gfx::VRSystemState& aState);

  bool mRuntimeLoaded;

  bool mOSVRInitialized;

  bool mClientContextInitialized;

  bool mDisplayConfigInitialized;

  bool mInterfaceInitialized;

  OSVR_ClientContext m_ctx;

  OSVR_ClientInterface m_iface;

  OSVR_DisplayConfig m_display;

  gfx::Matrix4x4 mHeadToEye[2];

  // check if all components are initialized

  // and if not, it will try to initialize them

  void CheckOSVRStatus();

  void InitializeClientContext();

  void InitializeDisplay();

  void InitializeInterface();

};

}  // namespace gfx

}  // namespace mozilla

#endif  // GFX_VR_SERVICE_OSVRSESSION_H