From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 gfx/vr/gfxVROSVR.h | 107 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 gfx/vr/gfxVROSVR.h

(limited to 'gfx/vr/gfxVROSVR.h')

diff --git a/gfx/vr/gfxVROSVR.h b/gfx/vr/gfxVROSVR.h
new file mode 100644
index 000000000..6bd6e93d2
--- /dev/null
+++ b/gfx/vr/gfxVROSVR.h
@@ -0,0 +1,107 @@
+/* -*- 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
-- 
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