Remove VR hardware support.

This resolves #881

1 files changed, 0 insertions, 393 deletions

diff --git a/gfx/vr/VRManager.cpp b/gfx/vr/VRManager.cpp
deleted file mode 100644
index 672e9e3a1..000000000
--- a/gfx/vr/VRManager.cpp
+++ /dev/null
@@ -1,393 +0,0 @@
-/* -*- 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/. */
-
-
-#include "VRManager.h"
-#include "VRManagerParent.h"
-#include "gfxVR.h"
-#include "gfxVROpenVR.h"
-#include "mozilla/ClearOnShutdown.h"
-#include "mozilla/dom/VRDisplay.h"
-#include "mozilla/dom/GamepadEventTypes.h"
-#include "mozilla/layers/TextureHost.h"
-#include "mozilla/Unused.h"
-
-#include "gfxPrefs.h"
-#include "gfxVR.h"
-#if defined(XP_WIN)
-#include "gfxVROculus.h"
-#endif
-#if defined(XP_WIN) || defined(XP_MACOSX) || defined(XP_LINUX)
-#include "gfxVROSVR.h"
-#endif
-#include "ipc/VRLayerParent.h"
-
-using namespace mozilla;
-using namespace mozilla::gfx;
-using namespace mozilla::layers;
-using namespace mozilla::gl;
-
-namespace mozilla {
-namespace gfx {
-
-static StaticRefPtr<VRManager> sVRManagerSingleton;
-
-/*static*/ void
-VRManager::ManagerInit()
-{
-  MOZ_ASSERT(NS_IsMainThread());
-
-  if (sVRManagerSingleton == nullptr) {
-    sVRManagerSingleton = new VRManager();
-    ClearOnShutdown(&sVRManagerSingleton);
-  }
-}
-
-VRManager::VRManager()
-  : mInitialized(false)
-{
-  MOZ_COUNT_CTOR(VRManager);
-  MOZ_ASSERT(sVRManagerSingleton == nullptr);
-
-  RefPtr<VRDisplayManager> mgr;
-  RefPtr<VRControllerManager> controllerMgr;
-
-  /**
-   * We must add the VRDisplayManager's to mManagers in a careful order to
-   * ensure that we don't detect the same VRDisplay from multiple API's.
-   *
-   * Oculus comes first, as it will only enumerate Oculus HMD's and is the
-   * native interface for Oculus HMD's.
-   *
-   * OpenvR comes second, as it is the native interface for HTC Vive
-   * which is the most common HMD at this time.
-   *
-   * OSVR will be used if Oculus SDK and OpenVR don't detect any HMDS,
-   * to support everyone else.
-   */
-
-#if defined(XP_WIN)
-  // The Oculus runtime is supported only on Windows
-  mgr = VRDisplayManagerOculus::Create();
-  if (mgr) {
-    mManagers.AppendElement(mgr);
-  }
-#endif
-
-#if defined(XP_WIN) || defined(XP_MACOSX) || defined(XP_LINUX)
-  // OpenVR is cross platform compatible
-  mgr = VRDisplayManagerOpenVR::Create();
-  if (mgr) {
-    mManagers.AppendElement(mgr);
-  }
-
-  controllerMgr = VRControllerManagerOpenVR::Create();
-  if (mgr) {
-    mControllerManagers.AppendElement(controllerMgr);
-  }
-
-  // OSVR is cross platform compatible
-  mgr = VRDisplayManagerOSVR::Create();
-  if (mgr) {
-      mManagers.AppendElement(mgr);
-  }
-#endif
-  // Enable gamepad extensions while VR is enabled.
-  if (gfxPrefs::VREnabled()) {
-    Preferences::SetBool("dom.gamepad.extensions.enabled", true);
-  }
-}
-
-VRManager::~VRManager()
-{
-  MOZ_ASSERT(NS_IsMainThread());
-  MOZ_ASSERT(!mInitialized);
-  MOZ_COUNT_DTOR(VRManager);
-}
-
-void
-VRManager::Destroy()
-{
-  mVRDisplays.Clear();
-  for (uint32_t i = 0; i < mManagers.Length(); ++i) {
-    mManagers[i]->Destroy();
-  }
-
-  mVRControllers.Clear();
-  for (uint32_t i = 0; i < mControllerManagers.Length(); ++i) {
-    mControllerManagers[i]->Destroy();
-  }
-  mInitialized = false;
-}
-
-void
-VRManager::Init()
-{
-  for (uint32_t i = 0; i < mManagers.Length(); ++i) {
-    mManagers[i]->Init();
-  }
-
-  for (uint32_t i = 0; i < mControllerManagers.Length(); ++i) {
-    mControllerManagers[i]->Init();
-  }
-  mInitialized = true;
-}
-
-/* static */VRManager*
-VRManager::Get()
-{
-  MOZ_ASSERT(sVRManagerSingleton != nullptr);
-
-  return sVRManagerSingleton;
-}
-
-void
-VRManager::AddVRManagerParent(VRManagerParent* aVRManagerParent)
-{
-  if (mVRManagerParents.IsEmpty()) {
-    Init();
-  }
-  mVRManagerParents.PutEntry(aVRManagerParent);
-}
-
-void
-VRManager::RemoveVRManagerParent(VRManagerParent* aVRManagerParent)
-{
-  mVRManagerParents.RemoveEntry(aVRManagerParent);
-  if (mVRManagerParents.IsEmpty()) {
-    Destroy();
-  }
-}
-
-void
-VRManager::NotifyVsync(const TimeStamp& aVsyncTimestamp)
-{
-  const double kVRDisplayRefreshMaxDuration = 5000; // milliseconds
-
-  bool bHaveEventListener = false;
-
-  for (auto iter = mVRManagerParents.Iter(); !iter.Done(); iter.Next()) {
-    VRManagerParent *vmp = iter.Get()->GetKey();
-    if (mVRDisplays.Count()) {
-      Unused << vmp->SendNotifyVSync();
-    }
-    bHaveEventListener |= vmp->HaveEventListener();
-  }
-
-  for (auto iter = mVRDisplays.Iter(); !iter.Done(); iter.Next()) {
-    gfx::VRDisplayHost* display = iter.UserData();
-    display->NotifyVSync();
-  }
-
-  if (bHaveEventListener) {
-    for (uint32_t i = 0; i < mControllerManagers.Length(); ++i) {
-      mControllerManagers[i]->HandleInput();
-    }
-    // If content has set an EventHandler to be notified of VR display events
-    // we must continually refresh the VR display enumeration to check
-    // for events that we must fire such as Window.onvrdisplayconnect
-    // Note that enumeration itself may activate display hardware, such
-    // as Oculus, so we only do this when we know we are displaying content
-    // that is looking for VR displays.
-    if (mLastRefreshTime.IsNull()) {
-      // This is the first vsync, must refresh VR displays
-      RefreshVRDisplays();
-      RefreshVRControllers();
-      mLastRefreshTime = TimeStamp::Now();
-    } else {
-      // We don't have to do this every frame, so check if we
-      // have refreshed recently.
-      TimeDuration duration = TimeStamp::Now() - mLastRefreshTime;
-      if (duration.ToMilliseconds() > kVRDisplayRefreshMaxDuration) {
-        RefreshVRDisplays();
-        RefreshVRControllers();
-        mLastRefreshTime = TimeStamp::Now();
-      }
-    }
-  }
-}
-
-void
-VRManager::NotifyVRVsync(const uint32_t& aDisplayID)
-{
-  for (auto iter = mVRManagerParents.Iter(); !iter.Done(); iter.Next()) {
-    Unused << iter.Get()->GetKey()->SendNotifyVRVSync(aDisplayID);
-  }
-}
-
-void
-VRManager::RefreshVRDisplays(bool aMustDispatch)
-{
-  nsTArray<RefPtr<gfx::VRDisplayHost> > displays;
-
-  /** We don't wish to enumerate the same display from multiple managers,
-   * so stop as soon as we get a display.
-   * It is still possible to get multiple displays from a single manager,
-   * but do not wish to mix-and-match for risk of reporting a duplicate.
-   *
-   * XXX - Perhaps there will be a better way to detect duplicate displays
-   *       in the future.
-   */
-  for (uint32_t i = 0; i < mManagers.Length() && displays.Length() == 0; ++i) {
-    mManagers[i]->GetHMDs(displays);
-  }
-
-  bool displayInfoChanged = false;
-
-  if (displays.Length() != mVRDisplays.Count()) {
-    // Catch cases where a VR display has been removed
-    displayInfoChanged = true;
-  }
-
-  for (const auto& display: displays) {
-    if (!GetDisplay(display->GetDisplayInfo().GetDisplayID())) {
-      // This is a new display
-      displayInfoChanged = true;
-      break;
-    }
-
-    if (display->CheckClearDisplayInfoDirty()) {
-      // This display's info has changed
-      displayInfoChanged = true;
-      break;
-    }
-  }
-
-  if (displayInfoChanged) {
-    mVRDisplays.Clear();
-    for (const auto& display: displays) {
-      mVRDisplays.Put(display->GetDisplayInfo().GetDisplayID(), display);
-    }
-  }
-
-  if (displayInfoChanged || aMustDispatch) {
-    DispatchVRDisplayInfoUpdate();
-  }
-}
-
-void
-VRManager::DispatchVRDisplayInfoUpdate()
-{
-  nsTArray<VRDisplayInfo> update;
-  GetVRDisplayInfo(update);
-
-  for (auto iter = mVRManagerParents.Iter(); !iter.Done(); iter.Next()) {
-    Unused << iter.Get()->GetKey()->SendUpdateDisplayInfo(update);
-  }
-}
-
-
-/**
- * Get any VR displays that have already been enumerated without
- * activating any new devices.
- */
-void
-VRManager::GetVRDisplayInfo(nsTArray<VRDisplayInfo>& aDisplayInfo)
-{
-  aDisplayInfo.Clear();
-  for (auto iter = mVRDisplays.Iter(); !iter.Done(); iter.Next()) {
-    gfx::VRDisplayHost* display = iter.UserData();
-    aDisplayInfo.AppendElement(VRDisplayInfo(display->GetDisplayInfo()));
-  }
-}
-
-RefPtr<gfx::VRDisplayHost>
-VRManager::GetDisplay(const uint32_t& aDisplayID)
-{
-  RefPtr<gfx::VRDisplayHost> display;
-  if (mVRDisplays.Get(aDisplayID, getter_AddRefs(display))) {
-    return display;
-  }
-  return nullptr;
-}
-
-void
-VRManager::SubmitFrame(VRLayerParent* aLayer, layers::PTextureParent* aTexture,
-                       const gfx::Rect& aLeftEyeRect,
-                       const gfx::Rect& aRightEyeRect)
-{
-  TextureHost* th = TextureHost::AsTextureHost(aTexture);
-  mLastFrame = th;
-  RefPtr<VRDisplayHost> display = GetDisplay(aLayer->GetDisplayID());
-  if (display) {
-    display->SubmitFrame(aLayer, 0, aTexture, aLeftEyeRect, aRightEyeRect);
-  }
-}
-
-RefPtr<gfx::VRControllerHost>
-VRManager::GetController(const uint32_t& aControllerID)
-{
-  RefPtr<gfx::VRControllerHost> controller;
-  if (mVRControllers.Get(aControllerID, getter_AddRefs(controller))) {
-    return controller;
-  }
-  return nullptr;
-}
-
-void
-VRManager::GetVRControllerInfo(nsTArray<VRControllerInfo>& aControllerInfo)
-{
-  aControllerInfo.Clear();
-  for (auto iter = mVRControllers.Iter(); !iter.Done(); iter.Next()) {
-    gfx::VRControllerHost* controller = iter.UserData();
-    aControllerInfo.AppendElement(VRControllerInfo(controller->GetControllerInfo()));
-  }
-}
-
-void
-VRManager::RefreshVRControllers()
-{
-  nsTArray<RefPtr<gfx::VRControllerHost>> controllers;
-
-  for (uint32_t i = 0; i < mControllerManagers.Length()
-      && controllers.Length() == 0; ++i) {
-    mControllerManagers[i]->GetControllers(controllers);
-  }
-
-  bool controllerInfoChanged = false;
-
-  if (controllers.Length() != mVRControllers.Count()) {
-    // Catch cases where VR controllers has been removed
-    controllerInfoChanged = true;
-  }
-
-  for (const auto& controller : controllers) {
-    if (!GetController(controller->GetControllerInfo().GetControllerID())) {
-      // This is a new controller
-      controllerInfoChanged = true;
-      break;
-    }
-  }
-
-  if (controllerInfoChanged) {
-    mVRControllers.Clear();
-    for (const auto& controller : controllers) {
-      mVRControllers.Put(controller->GetControllerInfo().GetControllerID(),
-                         controller);
-    }
-  }
-}
-
-void
-VRManager::ScanForDevices()
-{
-  for (uint32_t i = 0; i < mControllerManagers.Length(); ++i) {
-    mControllerManagers[i]->ScanForDevices();
-  }
-}
-
-template<class T>
-void
-VRManager::NotifyGamepadChange(const T& aInfo)
-{
-  dom::GamepadChangeEvent e(aInfo);
-
-  for (auto iter = mVRManagerParents.Iter(); !iter.Done(); iter.Next()) {
-    Unused << iter.Get()->GetKey()->SendGamepadUpdate(e);
-  }
-}
-
-} // namespace gfx
-} // namespace mozilla