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authorwolfbeast <mcwerewolf@gmail.com>2018-11-26 16:41:20 +0100
committerwolfbeast <mcwerewolf@gmail.com>2018-11-26 16:41:20 +0100
commit7504ca8ab4b0a145488f03c51a0f78ffd5682174 (patch)
tree29f30a39758d9a5dbb31dfd006f4d837b2f18e34 /gfx/vr/VRManager.cpp
parent083c6b7b99107f5f107b3c86487d13d04184afac (diff)
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Remove VR hardware support.
This resolves #881
Diffstat (limited to 'gfx/vr/VRManager.cpp')
-rw-r--r--gfx/vr/VRManager.cpp393
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