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diff --git a/gfx/vr/gfxVROSVR.h b/gfx/vr/gfxVROSVR.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_OSVR_H
+#define GFX_VR_OSVR_H
+
+#include "nsTArray.h"
+#include "mozilla/RefPtr.h"
+#include "nsThreadUtils.h"
+
+#include "mozilla/gfx/2D.h"
+#include "mozilla/EnumeratedArray.h"
+
+#include "VRDisplayHost.h"
+
+#include <osvr/ClientKit/ClientKitC.h>
+#include <osvr/ClientKit/DisplayC.h>
+
+namespace mozilla {
+namespace gfx {
+namespace impl {
+
+class VRDisplayOSVR : public VRDisplayHost
+{
+public:
+ VRHMDSensorState GetSensorState() override;
+ VRHMDSensorState GetImmediateSensorState() override;
+ void ZeroSensor() override;
+
+protected:
+ virtual void StartPresentation() override;
+ virtual void StopPresentation() override;
+
+#if defined(XP_WIN)
+ virtual void SubmitFrame(TextureSourceD3D11* aSource,
+ const IntSize& aSize,
+ const VRHMDSensorState& aSensorState,
+ const gfx::Rect& aLeftEyeRect,
+ const gfx::Rect& aRightEyeRect) override;
+#endif
+
+public:
+ explicit VRDisplayOSVR(OSVR_ClientContext* context,
+ OSVR_ClientInterface* iface,
+ OSVR_DisplayConfig* display);
+
+protected:
+ virtual ~VRDisplayOSVR()
+ {
+ Destroy();
+ MOZ_COUNT_DTOR_INHERITED(VRDisplayOSVR, VRDisplayHost);
+ }
+ void Destroy();
+
+ OSVR_ClientContext* m_ctx;
+ OSVR_ClientInterface* m_iface;
+ OSVR_DisplayConfig* m_display;
+};
+
+} // namespace impl
+
+class VRDisplayManagerOSVR : public VRDisplayManager
+{
+public:
+ static already_AddRefed<VRDisplayManagerOSVR> Create();
+ virtual bool Init() override;
+ virtual void Destroy() override;
+ virtual void GetHMDs(nsTArray<RefPtr<VRDisplayHost>>& aHMDResult) override;
+
+protected:
+ VRDisplayManagerOSVR()
+ : mOSVRInitialized(false)
+ , mClientContextInitialized(false)
+ , mDisplayConfigInitialized(false)
+ , mInterfaceInitialized(false)
+ , m_ctx(nullptr)
+ , m_iface(nullptr)
+ , m_display(nullptr)
+ {
+ }
+
+ RefPtr<impl::VRDisplayOSVR> mHMDInfo;
+ bool mOSVRInitialized;
+ bool mClientContextInitialized;
+ bool mDisplayConfigInitialized;
+ bool mInterfaceInitialized;
+ RefPtr<nsIThread> mOSVRThread;
+
+ OSVR_ClientContext m_ctx;
+ OSVR_ClientInterface m_iface;
+ OSVR_DisplayConfig m_display;
+
+private:
+ // 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_OSVR_H */ \ No newline at end of file