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/gfxVROpenVR.h | 140 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 140 insertions(+)
 create mode 100644 gfx/vr/gfxVROpenVR.h

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

diff --git a/gfx/vr/gfxVROpenVR.h b/gfx/vr/gfxVROpenVR.h
new file mode 100644
index 000000000..829f88253
--- /dev/null
+++ b/gfx/vr/gfxVROpenVR.h
@@ -0,0 +1,140 @@
+/* -*- 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_OPENVR_H
+#define GFX_VR_OPENVR_H
+
+#include "nsTArray.h"
+#include "nsIScreen.h"
+#include "nsCOMPtr.h"
+#include "mozilla/RefPtr.h"
+
+#include "mozilla/gfx/2D.h"
+#include "mozilla/EnumeratedArray.h"
+
+#include "gfxVR.h"
+
+// OpenVR Interfaces
+namespace vr {
+class IVRChaperone;
+class IVRCompositor;
+class IVRSystem;
+struct TrackedDevicePose_t;
+}
+
+namespace mozilla {
+namespace gfx {
+namespace impl {
+
+class VRDisplayOpenVR : public VRDisplayHost
+{
+public:
+  virtual void NotifyVSync() override;
+  virtual VRHMDSensorState GetSensorState() override;
+  virtual VRHMDSensorState GetImmediateSensorState() override;
+  void ZeroSensor() override;
+
+protected:
+  virtual void StartPresentation() override;
+  virtual void StopPresentation() override;
+#if defined(XP_WIN)
+  virtual void SubmitFrame(mozilla::layers::TextureSourceD3D11* aSource,
+                           const IntSize& aSize,
+                           const VRHMDSensorState& aSensorState,
+                           const gfx::Rect& aLeftEyeRect,
+                           const gfx::Rect& aRightEyeRect) override;
+#endif
+
+public:
+  explicit VRDisplayOpenVR(::vr::IVRSystem *aVRSystem,
+                           ::vr::IVRChaperone *aVRChaperone,
+                           ::vr::IVRCompositor *aVRCompositor);
+
+protected:
+  virtual ~VRDisplayOpenVR();
+  void Destroy();
+
+  VRHMDSensorState GetSensorState(double timeOffset);
+
+  // not owned by us; global from OpenVR
+  ::vr::IVRSystem *mVRSystem;
+  ::vr::IVRChaperone *mVRChaperone;
+  ::vr::IVRCompositor *mVRCompositor;
+
+  bool mIsPresenting;
+
+  void UpdateStageParameters();
+};
+
+} // namespace impl
+
+class VRDisplayManagerOpenVR : public VRDisplayManager
+{
+public:
+  static already_AddRefed<VRDisplayManagerOpenVR> Create();
+
+  virtual bool Init() override;
+  virtual void Destroy() override;
+  virtual void GetHMDs(nsTArray<RefPtr<VRDisplayHost> >& aHMDResult) override;
+protected:
+  VRDisplayManagerOpenVR();
+
+  // there can only be one
+  RefPtr<impl::VRDisplayOpenVR> mOpenVRHMD;
+  bool mOpenVRInstalled;
+};
+
+namespace impl {
+
+class VRControllerOpenVR : public VRControllerHost
+{
+public:
+  explicit VRControllerOpenVR();
+  void SetTrackedIndex(uint32_t aTrackedIndex);
+  uint32_t GetTrackedIndex();
+
+protected:
+  virtual ~VRControllerOpenVR();
+
+  // The index of tracked devices from vr::IVRSystem.
+  uint32_t mTrackedIndex;
+};
+
+} // namespace impl
+
+class VRControllerManagerOpenVR : public VRControllerManager
+{
+public:
+  static already_AddRefed<VRControllerManagerOpenVR> Create();
+
+  virtual bool Init() override;
+  virtual void Destroy() override;
+  virtual void HandleInput() override;
+  virtual void GetControllers(nsTArray<RefPtr<VRControllerHost>>&
+                              aControllerResult) override;
+  virtual void ScanForDevices() override;
+
+private:
+  VRControllerManagerOpenVR();
+  ~VRControllerManagerOpenVR();
+
+  virtual void HandleButtonPress(uint32_t aControllerIdx,
+                                 uint64_t aButtonPressed) override;
+  virtual void HandleAxisMove(uint32_t aControllerIdx, uint32_t aAxis,
+                              float aValue) override;
+  virtual void HandlePoseTracking(uint32_t aControllerIdx,
+                                  const dom::GamepadPoseState& aPose,
+                                  VRControllerHost* aController) override;
+
+  bool mOpenVRInstalled;
+  nsTArray<RefPtr<impl::VRControllerOpenVR>> mOpenVRController;
+  vr::IVRSystem *mVRSystem;
+};
+
+} // namespace gfx
+} // namespace mozilla
+
+
+#endif /* GFX_VR_OPENVR_H */
-- 
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