diff options
Diffstat (limited to 'gfx/vr/ipc/VRChild.cpp')
| -rw-r--r-- | gfx/vr/ipc/VRChild.cpp | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/gfx/vr/ipc/VRChild.cpp b/gfx/vr/ipc/VRChild.cpp new file mode 100644 index 0000000000..747cf16326 --- /dev/null +++ b/gfx/vr/ipc/VRChild.cpp @@ -0,0 +1,214 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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 "VRChild.h" +#include "VRProcessManager.h" +#include "VRProcessParent.h" +#include "gfxConfig.h" + +#include "mozilla/gfx/gfxVars.h" +#include "mozilla/ClearOnShutdown.h" +#include "mozilla/Telemetry.h" +#include "mozilla/VsyncDispatcher.h" +#include "mozilla/dom/MemoryReportRequest.h" + +namespace mozilla { +namespace gfx { + +class OpenVRControllerManifestManager { + NS_INLINE_DECL_THREADSAFE_REFCOUNTING(OpenVRControllerManifestManager) + public: + explicit OpenVRControllerManifestManager() = default; + + void SetOpenVRControllerActionPath(const nsCString& aPath) { + mAction = aPath; + } + + void SetOpenVRControllerManifestPath(VRControllerType aType, + const nsCString& aPath) { + mManifest.InsertOrUpdate(static_cast<uint32_t>(aType), aPath); + } + + bool GetActionPath(nsCString* aPath) { + if (!mAction.IsEmpty()) { + *aPath = mAction; + return true; + } + return false; + } + + bool GetManifestPath(VRControllerType aType, nsCString* aPath) { + return mManifest.Get(static_cast<uint32_t>(aType), aPath); + } + + private: + ~OpenVRControllerManifestManager() { + if (!mAction.IsEmpty() && remove(mAction.BeginReading()) != 0) { + MOZ_ASSERT(false, "Delete controller action file failed."); + } + mAction = ""; + + for (const auto& path : mManifest.Values()) { + if (!path.IsEmpty() && remove(path.BeginReading()) != 0) { + MOZ_ASSERT(false, "Delete controller manifest file failed."); + } + } + mManifest.Clear(); + } + + nsCString mAction; + nsTHashMap<nsUint32HashKey, nsCString> mManifest; + OpenVRControllerManifestManager(const OpenVRControllerManifestManager&) = + delete; + + const OpenVRControllerManifestManager& operator=( + const OpenVRControllerManifestManager&) = delete; +}; + +StaticRefPtr<OpenVRControllerManifestManager> sOpenVRControllerManifestManager; + +VRChild::VRChild(VRProcessParent* aHost) : mHost(aHost), mVRReady(false) { + MOZ_ASSERT(XRE_IsParentProcess()); +} + +VRChild::~VRChild() = default; + +mozilla::ipc::IPCResult VRChild::RecvAddMemoryReport( + const MemoryReport& aReport) { + if (mMemoryReportRequest) { + mMemoryReportRequest->RecvReport(aReport); + } + return IPC_OK(); +} + +void VRChild::ActorDestroy(ActorDestroyReason aWhy) { + if (aWhy == AbnormalShutdown) { + GenerateCrashReport(OtherPid()); + + Telemetry::Accumulate( + Telemetry::SUBPROCESS_ABNORMAL_ABORT, + nsDependentCString(XRE_GeckoProcessTypeToString(GeckoProcessType_VR)), + 1); + } + gfxVars::RemoveReceiver(this); + mHost->OnChannelClosed(); +} + +void VRChild::Init() { + nsTArray<GfxVarUpdate> updates = gfxVars::FetchNonDefaultVars(); + + DevicePrefs devicePrefs; + devicePrefs.hwCompositing() = gfxConfig::GetValue(Feature::HW_COMPOSITING); + devicePrefs.d3d11Compositing() = + gfxConfig::GetValue(Feature::D3D11_COMPOSITING); + devicePrefs.oglCompositing() = + gfxConfig::GetValue(Feature::OPENGL_COMPOSITING); + devicePrefs.useD2D1() = gfxConfig::GetValue(Feature::DIRECT2D); + + SendInit(updates, devicePrefs); + + if (!sOpenVRControllerManifestManager) { + sOpenVRControllerManifestManager = new OpenVRControllerManifestManager(); + NS_DispatchToMainThread(NS_NewRunnableFunction( + "ClearOnShutdown OpenVRControllerManifestManager", + []() { ClearOnShutdown(&sOpenVRControllerManifestManager); })); + } + + nsCString output; + if (sOpenVRControllerManifestManager->GetActionPath(&output)) { + SendOpenVRControllerActionPathToVR(output); + } + if (sOpenVRControllerManifestManager->GetManifestPath( + VRControllerType::HTCVive, &output)) { + SendOpenVRControllerManifestPathToVR(VRControllerType::HTCVive, output); + } + if (sOpenVRControllerManifestManager->GetManifestPath(VRControllerType::MSMR, + &output)) { + SendOpenVRControllerManifestPathToVR(VRControllerType::MSMR, output); + } + if (sOpenVRControllerManifestManager->GetManifestPath( + VRControllerType::ValveIndex, &output)) { + SendOpenVRControllerManifestPathToVR(VRControllerType::ValveIndex, output); + } + gfxVars::AddReceiver(this); +} + +bool VRChild::EnsureVRReady() { + if (!mVRReady) { + return false; + } + + return true; +} + +mozilla::ipc::IPCResult VRChild::RecvOpenVRControllerActionPathToParent( + const nsCString& aPath) { + sOpenVRControllerManifestManager->SetOpenVRControllerActionPath(aPath); + return IPC_OK(); +} + +mozilla::ipc::IPCResult VRChild::RecvOpenVRControllerManifestPathToParent( + const VRControllerType& aType, const nsCString& aPath) { + sOpenVRControllerManifestManager->SetOpenVRControllerManifestPath(aType, + aPath); + return IPC_OK(); +} + +mozilla::ipc::IPCResult VRChild::RecvInitComplete() { + // We synchronously requested VR parameters before this arrived. + mVRReady = true; + return IPC_OK(); +} + +bool VRChild::SendRequestMemoryReport(const uint32_t& aGeneration, + const bool& aAnonymize, + const bool& aMinimizeMemoryUsage, + const Maybe<FileDescriptor>& aDMDFile) { + mMemoryReportRequest = MakeUnique<MemoryReportRequestHost>(aGeneration); + + PVRChild::SendRequestMemoryReport( + aGeneration, aAnonymize, aMinimizeMemoryUsage, aDMDFile, + [&](const uint32_t& aGeneration2) { + if (VRProcessManager* vpm = VRProcessManager::Get()) { + if (VRChild* child = vpm->GetVRChild()) { + if (child->mMemoryReportRequest) { + child->mMemoryReportRequest->Finish(aGeneration2); + child->mMemoryReportRequest = nullptr; + } + } + } + }, + [&](mozilla::ipc::ResponseRejectReason) { + if (VRProcessManager* vpm = VRProcessManager::Get()) { + if (VRChild* child = vpm->GetVRChild()) { + child->mMemoryReportRequest = nullptr; + } + } + }); + + return true; +} + +void VRChild::OnVarChanged(const GfxVarUpdate& aVar) { SendUpdateVar(aVar); } + +class DeferredDeleteVRChild : public Runnable { + public: + explicit DeferredDeleteVRChild(RefPtr<VRChild>&& aChild) + : Runnable("gfx::DeferredDeleteVRChild"), mChild(std::move(aChild)) {} + + NS_IMETHODIMP Run() override { return NS_OK; } + + private: + RefPtr<VRChild> mChild; +}; + +/* static */ +void VRChild::Destroy(RefPtr<VRChild>&& aChild) { + NS_DispatchToMainThread(new DeferredDeleteVRChild(std::move(aChild))); +} + +} // namespace gfx +} // namespace mozilla |