1 files changed, 76 insertions, 0 deletions
diff --git a/gfx/vr/service/OSVRSession.h b/gfx/vr/service/OSVRSession.h
new file mode 100644
index 0000000000..d98553ff33
--- /dev/null
+++ b/gfx/vr/service/OSVRSession.h
@@ -0,0 +1,76 @@
+/* -*- 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