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/* -*- 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 "VRParent.h"
#include "VRGPUParent.h"
#include "gfxConfig.h"
#include "nsDebugImpl.h"
#include "nsThreadManager.h"
#include "ProcessUtils.h"
#include "mozilla/dom/MemoryReportRequest.h"
#include "mozilla/gfx/gfxVars.h"
#include "mozilla/ipc/CrashReporterClient.h"
#include "mozilla/ipc/ProcessChild.h"
#include "mozilla/Preferences.h"
#if defined(XP_WIN)
# include <process.h>
# include "mozilla/gfx/DeviceManagerDx.h"
#else
# include <unistd.h>
#endif
namespace mozilla {
namespace gfx {
using mozilla::ipc::IPCResult;
VRParent::VRParent() : mVRGPUParent(nullptr) {}
IPCResult VRParent::RecvNewGPUVRManager(Endpoint<PVRGPUParent>&& aEndpoint) {
RefPtr<VRGPUParent> vrGPUParent =
VRGPUParent::CreateForGPU(std::move(aEndpoint));
if (!vrGPUParent) {
return IPC_FAIL_NO_REASON(this);
}
mVRGPUParent = std::move(vrGPUParent);
return IPC_OK();
}
IPCResult VRParent::RecvInit(nsTArray<GfxVarUpdate>&& vars,
const DevicePrefs& devicePrefs) {
Unused << SendInitComplete();
for (const auto& var : vars) {
gfxVars::ApplyUpdate(var);
}
// Inherit device preferences.
gfxConfig::Inherit(Feature::HW_COMPOSITING, devicePrefs.hwCompositing());
gfxConfig::Inherit(Feature::D3D11_COMPOSITING,
devicePrefs.d3d11Compositing());
gfxConfig::Inherit(Feature::OPENGL_COMPOSITING, devicePrefs.oglCompositing());
gfxConfig::Inherit(Feature::ADVANCED_LAYERS, devicePrefs.advancedLayers());
gfxConfig::Inherit(Feature::DIRECT2D, devicePrefs.useD2D1());
#if defined(XP_WIN)
if (gfxConfig::IsEnabled(Feature::D3D11_COMPOSITING)) {
DeviceManagerDx::Get()->CreateCompositorDevices();
}
#endif
return IPC_OK();
}
IPCResult VRParent::RecvUpdateVar(const GfxVarUpdate& aUpdate) {
gfxVars::ApplyUpdate(aUpdate);
return IPC_OK();
}
mozilla::ipc::IPCResult VRParent::RecvPreferenceUpdate(const Pref& aPref) {
Preferences::SetPreference(aPref);
return IPC_OK();
}
mozilla::ipc::IPCResult VRParent::RecvOpenVRControllerActionPathToVR(
const nsCString& aPath) {
mOpenVRControllerAction = aPath;
return IPC_OK();
}
mozilla::ipc::IPCResult VRParent::RecvOpenVRControllerManifestPathToVR(
const VRControllerType& aType, const nsCString& aPath) {
mOpenVRControllerManifest.Put(static_cast<uint32_t>(aType), aPath);
return IPC_OK();
}
mozilla::ipc::IPCResult VRParent::RecvRequestMemoryReport(
const uint32_t& aGeneration, const bool& aAnonymize,
const bool& aMinimizeMemoryUsage, const Maybe<FileDescriptor>& aDMDFile,
const RequestMemoryReportResolver& aResolver) {
MOZ_ASSERT(XRE_IsVRProcess());
nsPrintfCString processName("VR (pid %u)", (unsigned)getpid());
mozilla::dom::MemoryReportRequestClient::Start(
aGeneration, aAnonymize, aMinimizeMemoryUsage, aDMDFile, processName,
[&](const MemoryReport& aReport) {
Unused << SendAddMemoryReport(aReport);
},
aResolver);
return IPC_OK();
}
void VRParent::ActorDestroy(ActorDestroyReason aWhy) {
if (AbnormalShutdown == aWhy) {
NS_WARNING("Shutting down VR process early due to a crash!");
ipc::ProcessChild::QuickExit();
}
if (mVRGPUParent && !mVRGPUParent->IsClosed()) {
mVRGPUParent->Close();
}
mVRGPUParent = nullptr;
#ifndef NS_FREE_PERMANENT_DATA
// No point in going through XPCOM shutdown because we don't keep persistent
// state.
ProcessChild::QuickExit();
#endif
#if defined(XP_WIN)
DeviceManagerDx::Shutdown();
#endif
gfxVars::Shutdown();
gfxConfig::Shutdown();
ipc::CrashReporterClient::DestroySingleton();
// Only calling XRE_ShutdownChildProcess() at the child process
// instead of the main process. Otherwise, it will close all child processes
// that are spawned from the main process.
XRE_ShutdownChildProcess();
}
bool VRParent::Init(base::ProcessId aParentPid, const char* aParentBuildID,
MessageLoop* aIOLoop, UniquePtr<IPC::Channel> aChannel) {
// Initialize the thread manager before starting IPC. Otherwise, messages
// may be posted to the main thread and we won't be able to process them.
if (NS_WARN_IF(NS_FAILED(nsThreadManager::get().Init()))) {
return false;
}
// Now it's safe to start IPC.
if (NS_WARN_IF(!Open(std::move(aChannel), aParentPid, aIOLoop))) {
return false;
}
nsDebugImpl::SetMultiprocessMode("VR");
// This must be checked before any IPDL message, which may hit sentinel
// errors due to parent and content processes having different
// versions.
MessageChannel* channel = GetIPCChannel();
if (channel && !channel->SendBuildIDsMatchMessage(aParentBuildID)) {
// We need to quit this process if the buildID doesn't match the parent's.
// This can occur when an update occurred in the background.
ipc::ProcessChild::QuickExit();
}
// Init crash reporter support.
ipc::CrashReporterClient::InitSingleton(this);
gfxConfig::Init();
gfxVars::Initialize();
#if defined(XP_WIN)
DeviceManagerDx::Init();
#endif
if (NS_FAILED(NS_InitMinimalXPCOM())) {
return false;
}
mozilla::ipc::SetThisProcessName("VR Process");
return true;
}
bool VRParent::GetOpenVRControllerActionPath(nsCString* aPath) {
if (!mOpenVRControllerAction.IsEmpty()) {
*aPath = mOpenVRControllerAction;
return true;
}
return false;
}
bool VRParent::GetOpenVRControllerManifestPath(VRControllerType aType,
nsCString* aPath) {
return mOpenVRControllerManifest.Get(static_cast<uint32_t>(aType), aPath);
}
} // namespace gfx
} // namespace mozilla
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