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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 "VRChild.h"
#include "VRProcessManager.h"
#include "VRProcessParent.h"
#include "gfxConfig.h"
#include "mozilla/gfx/gfxVars.h"
#include "mozilla/ClearOnShutdown.h"
#include "mozilla/glean/IpcMetrics.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();
glean::subprocess::abnormal_abort
.Get(nsDependentCString(
XRE_GeckoProcessTypeToString(GeckoProcessType_VR)))
.Add(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);
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 nsTArray<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
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