GPUParent.cpp
/* -*- 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/. */
#ifdef XP_WIN
# include "WMF.h"
# include "WMFDecoderModule.h"
#endif
#include "GLContextProvider.h"
#include "GPUParent.h"
#include "GPUProcessHost.h"
#include "GPUProcessManager.h"
#include "gfxGradientCache.h"
#include "GfxInfoBase.h"
#include "VRGPUChild.h"
#include "VRManager.h"
#include "VRManagerParent.h"
#include "VsyncBridgeParent.h"
#include "cairo.h"
#include "gfxConfig.h"
#include "gfxCrashReporterUtils.h"
#include "gfxPlatform.h"
#include "mozilla/Assertions.h"
#include "mozilla/Components.h"
#include "mozilla/FOGIPC.h"
#include "mozilla/HangDetails.h"
#include "mozilla/PerfStats.h"
#include "mozilla/Preferences.h"
#include "mozilla/ProcessPriorityManager.h"
#include "mozilla/RemoteDecoderManagerChild.h"
#include "mozilla/RemoteDecoderManagerParent.h"
#include "mozilla/ScopeExit.h"
#include "mozilla/StaticPrefs_dom.h"
#include "mozilla/StaticPrefs_media.h"
#include "mozilla/Telemetry.h"
#include "mozilla/TimeStamp.h"
#include "mozilla/dom/MemoryReportRequest.h"
#include "mozilla/gfx/2D.h"
#include "mozilla/gfx/CanvasRenderThread.h"
#include "mozilla/gfx/gfxVars.h"
#include "mozilla/glean/GleanMetrics.h"
#include "mozilla/image/ImageMemoryReporter.h"
#include "mozilla/ipc/CrashReporterClient.h"
#include "mozilla/ipc/ProcessChild.h"
#include "mozilla/ipc/ProcessUtils.h"
#include "mozilla/layers/APZInputBridgeParent.h"
#include "mozilla/layers/APZPublicUtils.h" // for apz::InitializeGlobalState
#include "mozilla/layers/APZThreadUtils.h"
#include "mozilla/layers/CompositorBridgeParent.h"
#include "mozilla/layers/CompositorManagerParent.h"
#include "mozilla/layers/CompositorThread.h"
#include "mozilla/layers/ImageBridgeParent.h"
#include "mozilla/layers/LayerTreeOwnerTracker.h"
#include "mozilla/layers/RemoteTextureMap.h"
#include "mozilla/layers/UiCompositorControllerParent.h"
#include "mozilla/layers/VideoBridgeParent.h"
#include "mozilla/webrender/RenderThread.h"
#include "mozilla/webrender/WebRenderAPI.h"
#include "nsDebugImpl.h"
#include "nsIGfxInfo.h"
#include "nsIXULRuntime.h"
#include "nsThreadManager.h"
#include "nscore.h"
#include "prenv.h"
#include "skia/include/core/SkGraphics.h"
#if defined(XP_WIN)
# include <dwrite.h>
# include <process.h>
# include <windows.h>
# include "gfxDWriteFonts.h"
# include "gfxWindowsPlatform.h"
# include "mozilla/WindowsVersion.h"
# include "mozilla/gfx/DeviceManagerDx.h"
# include "mozilla/layers/GpuProcessD3D11TextureMap.h"
# include "mozilla/layers/GpuProcessD3D11QueryMap.h"
# include "mozilla/layers/TextureD3D11.h"
# include "mozilla/widget/WinCompositorWindowThread.h"
# include "MediaCodecsSupport.h"
# include "WMFDecoderModule.h"
#else
# include <unistd.h>
#endif
#ifdef MOZ_WIDGET_GTK
# include <gtk/gtk.h>
# include "skia/include/ports/SkTypeface_cairo.h"
#endif
#ifdef ANDROID
# include "mozilla/layers/AndroidHardwareBuffer.h"
# include "skia/include/ports/SkTypeface_cairo.h"
#endif
#include "ChildProfilerController.h"
#include "nsAppRunner.h"
#if defined(MOZ_SANDBOX) && defined(MOZ_DEBUG) && defined(ENABLE_TESTS)
# include "mozilla/SandboxTestingChild.h"
#endif
namespace mozilla::gfx {
using namespace ipc;
using namespace layers;
static media::MediaCodecsSupported GetFullMediaCodecSupport(
bool aForceRefresh = false) {
#if defined(XP_WIN)
// Re-initializing WMFPDM if forcing a refresh is required or hardware
// decoding is supported in order to get HEVC result properly. We will disable
// it later if the pref is OFF.
if (aForceRefresh || (gfx::gfxVars::IsInitialized() &&
gfx::gfxVars::CanUseHardwareVideoDecoding())) {
WMFDecoderModule::Init(WMFDecoderModule::Config::ForceEnableHEVC);
}
auto disableHEVCIfNeeded = MakeScopeExit([]() {
if (StaticPrefs::media_wmf_hevc_enabled() != 1) {
WMFDecoderModule::DisableForceEnableHEVC();
}
});
#endif
return PDMFactory::Supported(aForceRefresh);
}
static GPUParent* sGPUParent;
GPUParent::GPUParent() : mLaunchTime(TimeStamp::Now()) { sGPUParent = this; }
GPUParent::~GPUParent() { sGPUParent = nullptr; }
/* static */
GPUParent* GPUParent::GetSingleton() {
MOZ_DIAGNOSTIC_ASSERT(sGPUParent);
return sGPUParent;
}
/* static */ bool GPUParent::MaybeFlushMemory() {
#if defined(XP_WIN) && !defined(HAVE_64BIT_BUILD)
MOZ_ASSERT(CompositorThreadHolder::IsInCompositorThread());
if (!XRE_IsGPUProcess()) {
return false;
}
MEMORYSTATUSEX stat;
stat.dwLength = sizeof(stat);
if (!GlobalMemoryStatusEx(&stat)) {
return false;
}
// We only care about virtual process memory space in the GPU process because
// the UI process is already watching total memory usage.
static const size_t kLowVirtualMemoryThreshold = 384 * 1024 * 1024;
bool lowMemory = stat.ullAvailVirtual < kLowVirtualMemoryThreshold;
// We suppress more than one low memory notification until we exit the
// condition. The UI process goes through more effort, reporting on-going
// memory pressure, but rather than try to manage a shared state, we just
// send one notification here to try to resolve it.
static bool sLowMemory = false;
if (lowMemory && !sLowMemory) {
NS_DispatchToMainThread(
NS_NewRunnableFunction("gfx::GPUParent::FlushMemory", []() -> void {
Unused << GPUParent::GetSingleton()->SendFlushMemory(
u"low-memory"_ns);
}));
}
sLowMemory = lowMemory;
return lowMemory;
#else
return false;
#endif
}
bool GPUParent::Init(mozilla::ipc::UntypedEndpoint&& aEndpoint,
const char* aParentBuildID) {
// 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(!aEndpoint.Bind(this))) {
return false;
}
nsDebugImpl::SetMultiprocessMode("GPU");
// 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.
ProcessChild::QuickExit();
}
if (NS_FAILED(NS_InitMinimalXPCOM())) {
return false;
}
// Ensure the observer service exists.
ProcessPriorityManager::Init();
// Init crash reporter support.
CrashReporterClient::InitSingleton(this);
gfxConfig::Init();
gfxVars::Initialize();
gfxPlatform::InitNullMetadata();
// Ensure our Factory is initialised, mainly for gfx logging to work.
gfxPlatform::InitMoz2DLogging();
#if defined(XP_WIN)
gfxWindowsPlatform::InitMemoryReportersForGPUProcess();
DeviceManagerDx::Init();
GpuProcessD3D11TextureMap::Init();
GpuProcessD3D11QueryMap::Init();
auto rv = wmf::MediaFoundationInitializer::HasInitialized();
if (!rv) {
NS_WARNING("Failed to init Media Foundation in the GPU process");
}
#endif
CompositorThreadHolder::Start();
RemoteTextureMap::Init();
APZThreadUtils::SetControllerThread(NS_GetCurrentThread());
apz::InitializeGlobalState();
LayerTreeOwnerTracker::Initialize();
CompositorBridgeParent::InitializeStatics();
mozilla::ipc::SetThisProcessName("GPU Process");
return true;
}
void GPUParent::NotifyDeviceReset(DeviceResetReason aReason,
DeviceResetDetectPlace aPlace) {
if (!NS_IsMainThread()) {
NS_DispatchToMainThread(NS_NewRunnableFunction(
"gfx::GPUParent::NotifyDeviceReset", [aReason, aPlace]() -> void {
GPUParent::GetSingleton()->NotifyDeviceReset(aReason, aPlace);
}));
return;
}
// Reset and reinitialize the compositor devices
#ifdef XP_WIN
if (!DeviceManagerDx::Get()->MaybeResetAndReacquireDevices()) {
// If the device doesn't need to be reset then the device
// has already been reset by a previous NotifyDeviceReset message.
return;
}
#endif
// Notify the main process that there's been a device reset
// and that they should reset their compositors and repaint
GPUDeviceData data;
RecvGetDeviceStatus(&data);
Unused << SendNotifyDeviceReset(data, aReason, aPlace);
}
void GPUParent::NotifyOverlayInfo(layers::OverlayInfo aInfo) {
if (!NS_IsMainThread()) {
NS_DispatchToMainThread(NS_NewRunnableFunction(
"gfx::GPUParent::NotifyOverlayInfo", [aInfo]() -> void {
GPUParent::GetSingleton()->NotifyOverlayInfo(aInfo);
}));
return;
}
Unused << SendNotifyOverlayInfo(aInfo);
}
void GPUParent::NotifySwapChainInfo(layers::SwapChainInfo aInfo) {
if (!NS_IsMainThread()) {
NS_DispatchToMainThread(NS_NewRunnableFunction(
"gfx::GPUParent::NotifySwapChainInfo", [aInfo]() -> void {
GPUParent::GetSingleton()->NotifySwapChainInfo(aInfo);
}));
return;
}
Unused << SendNotifySwapChainInfo(aInfo);
}
void GPUParent::NotifyDisableRemoteCanvas() {
if (!NS_IsMainThread()) {
NS_DispatchToMainThread(NS_NewRunnableFunction(
"gfx::GPUParent::NotifyDisableRemoteCanvas", []() -> void {
GPUParent::GetSingleton()->NotifyDisableRemoteCanvas();
}));
return;
}
Unused << SendNotifyDisableRemoteCanvas();
}
mozilla::ipc::IPCResult GPUParent::RecvInit(
nsTArray<GfxVarUpdate>&& vars, const DevicePrefs& devicePrefs,
nsTArray<LayerTreeIdMapping>&& aMappings,
nsTArray<GfxInfoFeatureStatus>&& aFeatures, uint32_t aWrNamespace) {
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::DIRECT2D, devicePrefs.useD2D1());
gfxConfig::Inherit(Feature::D3D11_HW_ANGLE, devicePrefs.d3d11HwAngle());
{ // Let the crash reporter know if we've got WR enabled or not. For other
// processes this happens in gfxPlatform::InitWebRenderConfig.
ScopedGfxFeatureReporter reporter("WR",
gfxPlatform::WebRenderPrefEnabled());
reporter.SetSuccessful();
}
for (const LayerTreeIdMapping& map : aMappings) {
LayerTreeOwnerTracker::Get()->Map(map.layersId(), map.ownerId());
}
widget::GfxInfoBase::SetFeatureStatus(std::move(aFeatures));
// We bypass gfxPlatform::Init, so we must initialize any relevant libraries
// here that would normally be initialized there.
SkGraphics::Init();
bool useRemoteCanvas =
gfxVars::RemoteCanvasEnabled() || gfxVars::UseAcceleratedCanvas2D();
if (useRemoteCanvas) {
gfxGradientCache::Init();
}
#if defined(XP_WIN)
if (gfxConfig::IsEnabled(Feature::D3D11_COMPOSITING)) {
if (DeviceManagerDx::Get()->CreateCompositorDevices() && useRemoteCanvas) {
if (DeviceManagerDx::Get()->CreateCanvasDevice()) {
gfxDWriteFont::InitDWriteSupport();
} else {
gfxWarning() << "Failed to create canvas device.";
}
}
}
DeviceManagerDx::Get()->CreateDirectCompositionDevice();
// Ensure to initialize GfxInfo
nsCOMPtr<nsIGfxInfo> gfxInfo = components::GfxInfo::Service();
Unused << gfxInfo;
Factory::EnsureDWriteFactory();
#endif
#if defined(MOZ_WIDGET_GTK)
char* display_name = PR_GetEnv("MOZ_GDK_DISPLAY");
if (!display_name) {
bool waylandEnabled = false;
# ifdef MOZ_WAYLAND
waylandEnabled = IsWaylandEnabled();
# endif
if (!waylandEnabled) {
display_name = PR_GetEnv("DISPLAY");
}
}
if (display_name) {
int argc = 3;
char option_name[] = "--display";
char* argv[] = {// argv0 is unused because g_set_prgname() was called in
// XRE_InitChildProcess().
nullptr, option_name, display_name, nullptr};
char** argvp = argv;
gtk_init(&argc, &argvp);
} else {
gtk_init(nullptr, nullptr);
}
// Ensure we have an FT library for font instantiation.
// This would normally be set by gfxPlatform::Init().
// Since we bypass that, we must do it here instead.
FT_Library library = Factory::NewFTLibrary();
MOZ_ASSERT(library);
Factory::SetFTLibrary(library);
// true to match gfxPlatform::FontHintingEnabled(). We must hardcode
// this value because we do not have a gfxPlatform instance.
SkInitCairoFT(true);
// Ensure that GfxInfo::Init is called on the main thread.
nsCOMPtr<nsIGfxInfo> gfxInfo = components::GfxInfo::Service();
Unused << gfxInfo;
#endif
#ifdef ANDROID
// Ensure we have an FT library for font instantiation.
// This would normally be set by gfxPlatform::Init().
// Since we bypass that, we must do it here instead.
FT_Library library = Factory::NewFTLibrary();
MOZ_ASSERT(library);
Factory::SetFTLibrary(library);
// false to match gfxAndroidPlatform::FontHintingEnabled(). We must
// hardcode this value because we do not have a gfxPlatform instance.
SkInitCairoFT(false);
if (gfxVars::UseAHardwareBufferSharedSurfaceWebglOop()) {
layers::AndroidHardwareBufferApi::Init();
layers::AndroidHardwareBufferManager::Init();
}
#endif
// Make sure to do this *after* we update gfxVars above.
wr::RenderThread::Start(aWrNamespace);
gfx::CanvasRenderThread::Start();
image::ImageMemoryReporter::InitForWebRender();
VRManager::ManagerInit();
// Send a message to the UI process that we're done.
GPUDeviceData data;
RecvGetDeviceStatus(&data);
Unused << SendInitComplete(data);
// Dispatch a task to background thread to determine the media codec supported
// result, and propagate it back to the chrome process on the main thread.
MOZ_ALWAYS_SUCCEEDS(NS_DispatchBackgroundTask(
NS_NewRunnableFunction(
"GPUParent::Supported",
[]() {
NS_DispatchToMainThread(NS_NewRunnableFunction(
"GPUParent::UpdateMediaCodecsSupported",
[supported = GetFullMediaCodecSupport()]() {
Unused << GPUParent::GetSingleton()
->SendUpdateMediaCodecsSupported(supported);
}));
}),
nsIEventTarget::DISPATCH_NORMAL));
Telemetry::AccumulateTimeDelta(Telemetry::GPU_PROCESS_INITIALIZATION_TIME_MS,
mLaunchTime);
return IPC_OK();
}
#if defined(MOZ_SANDBOX) && defined(MOZ_DEBUG) && defined(ENABLE_TESTS)
mozilla::ipc::IPCResult GPUParent::RecvInitSandboxTesting(
Endpoint<PSandboxTestingChild>&& aEndpoint) {
if (!SandboxTestingChild::Initialize(std::move(aEndpoint))) {
return IPC_FAIL(
this, "InitSandboxTesting failed to initialise the child process.");
}
return IPC_OK();
}
#endif
mozilla::ipc::IPCResult GPUParent::RecvInitCompositorManager(
Endpoint<PCompositorManagerParent>&& aEndpoint, uint32_t aNamespace) {
CompositorManagerParent::Create(std::move(aEndpoint), ContentParentId(),
aNamespace, /* aIsRoot */ true);
return IPC_OK();
}
mozilla::ipc::IPCResult GPUParent::RecvInitVsyncBridge(
Endpoint<PVsyncBridgeParent>&& aVsyncEndpoint) {
mVsyncBridge = VsyncBridgeParent::Start(std::move(aVsyncEndpoint));
return IPC_OK();
}
mozilla::ipc::IPCResult GPUParent::RecvInitImageBridge(
Endpoint<PImageBridgeParent>&& aEndpoint) {
ImageBridgeParent::CreateForGPUProcess(std::move(aEndpoint));
return IPC_OK();
}
mozilla::ipc::IPCResult GPUParent::RecvInitVideoBridge(
Endpoint<PVideoBridgeParent>&& aEndpoint,
const layers::VideoBridgeSource& aSource) {
// For GPU decoding, the video bridge would be opened in
// `VideoBridgeChild::StartupForGPUProcess`.
MOZ_ASSERT(aSource == layers::VideoBridgeSource::RddProcess ||
aSource == layers::VideoBridgeSource::MFMediaEngineCDMProcess);
VideoBridgeParent::Open(std::move(aEndpoint), aSource);
return IPC_OK();
}
mozilla::ipc::IPCResult GPUParent::RecvInitVRManager(
Endpoint<PVRManagerParent>&& aEndpoint) {
VRManagerParent::CreateForGPUProcess(std::move(aEndpoint));
return IPC_OK();
}
mozilla::ipc::IPCResult GPUParent::RecvInitVR(
Endpoint<PVRGPUChild>&& aEndpoint) {
gfx::VRGPUChild::InitForGPUProcess(std::move(aEndpoint));
return IPC_OK();
}
mozilla::ipc::IPCResult GPUParent::RecvInitUiCompositorController(
const LayersId& aRootLayerTreeId,
Endpoint<PUiCompositorControllerParent>&& aEndpoint) {
UiCompositorControllerParent::Start(aRootLayerTreeId, std::move(aEndpoint));
return IPC_OK();
}
mozilla::ipc::IPCResult GPUParent::RecvInitAPZInputBridge(
const LayersId& aRootLayerTreeId,
Endpoint<PAPZInputBridgeParent>&& aEndpoint) {
APZInputBridgeParent::Create(aRootLayerTreeId, std::move(aEndpoint));
return IPC_OK();
}
mozilla::ipc::IPCResult GPUParent::RecvInitProfiler(
Endpoint<PProfilerChild>&& aEndpoint) {
mProfilerController = ChildProfilerController::Create(std::move(aEndpoint));
return IPC_OK();
}
mozilla::ipc::IPCResult GPUParent::RecvUpdateVar(const GfxVarUpdate& aUpdate) {
#if defined(XP_WIN)
auto scopeExit = MakeScopeExit(
[couldUseHWDecoder = gfx::gfxVars::CanUseHardwareVideoDecoding()] {
if (couldUseHWDecoder != gfx::gfxVars::CanUseHardwareVideoDecoding()) {
MOZ_ALWAYS_SUCCEEDS(NS_DispatchBackgroundTask(
NS_NewRunnableFunction(
"GPUParent::RecvUpdateVar",
[]() {
NS_DispatchToMainThread(NS_NewRunnableFunction(
"GPUParent::UpdateMediaCodecsSupported",
[supported = GetFullMediaCodecSupport(
true /* force refresh */)]() {
Unused << GPUParent::GetSingleton()
->SendUpdateMediaCodecsSupported(
supported);
}));
}),
nsIEventTarget::DISPATCH_NORMAL));
}
});
#endif
gfxVars::ApplyUpdate(aUpdate);
return IPC_OK();
}
mozilla::ipc::IPCResult GPUParent::RecvPreferenceUpdate(const Pref& aPref) {
Preferences::SetPreference(aPref);
return IPC_OK();
}
mozilla::ipc::IPCResult GPUParent::RecvScreenInformationChanged() {
#if defined(XP_WIN)
DeviceManagerDx::Get()->PostUpdateMonitorInfo();
#endif
return IPC_OK();
}
mozilla::ipc::IPCResult GPUParent::RecvNotifyBatteryInfo(
const BatteryInformation& aBatteryInfo) {
wr::RenderThread::Get()->SetBatteryInfo(aBatteryInfo);
return IPC_OK();
}
static void CopyFeatureChange(Feature aFeature, Maybe<FeatureFailure>* aOut) {
FeatureState& feature = gfxConfig::GetFeature(aFeature);
if (feature.DisabledByDefault() || feature.IsEnabled()) {
// No change:
// - Disabled-by-default means the parent process told us not to use this
// feature.
// - Enabled means we were told to use this feature, and we didn't
// discover anything
// that would prevent us from doing so.
*aOut = Nothing();
return;
}
MOZ_ASSERT(!feature.IsEnabled());
nsCString message;
message.AssignASCII(feature.GetFailureMessage());
*aOut =
Some(FeatureFailure(feature.GetValue(), message, feature.GetFailureId()));
}
mozilla::ipc::IPCResult GPUParent::RecvGetDeviceStatus(GPUDeviceData* aOut) {
CopyFeatureChange(Feature::D3D11_COMPOSITING, &aOut->d3d11Compositing());
CopyFeatureChange(Feature::OPENGL_COMPOSITING, &aOut->oglCompositing());
#if defined(XP_WIN)
if (DeviceManagerDx* dm = DeviceManagerDx::Get()) {
D3D11DeviceStatus deviceStatus;
dm->ExportDeviceInfo(&deviceStatus);
aOut->gpuDevice() = Some(deviceStatus);
}
#else
aOut->gpuDevice() = Nothing();
#endif
return IPC_OK();
}
mozilla::ipc::IPCResult GPUParent::RecvSimulateDeviceReset() {
#if defined(XP_WIN)
DeviceManagerDx::Get()->ForceDeviceReset(
ForcedDeviceResetReason::COMPOSITOR_UPDATED);
#endif
wr::RenderThread::Get()->SimulateDeviceReset();
return IPC_OK();
}
mozilla::ipc::IPCResult GPUParent::RecvNewContentCompositorManager(
Endpoint<PCompositorManagerParent>&& aEndpoint,
const ContentParentId& aChildId, uint32_t aNamespace) {
CompositorManagerParent::Create(std::move(aEndpoint), aChildId, aNamespace,
/* aIsRoot */ false);
return IPC_OK();
}
mozilla::ipc::IPCResult GPUParent::RecvNewContentImageBridge(
Endpoint<PImageBridgeParent>&& aEndpoint, const ContentParentId& aChildId) {
if (!ImageBridgeParent::CreateForContent(std::move(aEndpoint), aChildId)) {
return IPC_FAIL_NO_REASON(this);
}
return IPC_OK();
}
mozilla::ipc::IPCResult GPUParent::RecvNewContentVRManager(
Endpoint<PVRManagerParent>&& aEndpoint, const ContentParentId& aChildId) {
if (!VRManagerParent::CreateForContent(std::move(aEndpoint), aChildId)) {
return IPC_FAIL_NO_REASON(this);
}
return IPC_OK();
}
mozilla::ipc::IPCResult GPUParent::RecvNewContentRemoteDecoderManager(
Endpoint<PRemoteDecoderManagerParent>&& aEndpoint,
const ContentParentId& aChildId) {
if (!RemoteDecoderManagerParent::CreateForContent(std::move(aEndpoint),
aChildId)) {
return IPC_FAIL_NO_REASON(this);
}
return IPC_OK();
}
mozilla::ipc::IPCResult GPUParent::RecvAddLayerTreeIdMapping(
const LayerTreeIdMapping& aMapping) {
LayerTreeOwnerTracker::Get()->Map(aMapping.layersId(), aMapping.ownerId());
return IPC_OK();
}
mozilla::ipc::IPCResult GPUParent::RecvRemoveLayerTreeIdMapping(
const LayerTreeIdMapping& aMapping) {
LayerTreeOwnerTracker::Get()->Unmap(aMapping.layersId(), aMapping.ownerId());
CompositorBridgeParent::DeallocateLayerTreeId(aMapping.layersId());
return IPC_OK();
}
mozilla::ipc::IPCResult GPUParent::RecvNotifyGpuObservers(
const nsCString& aTopic) {
nsCOMPtr<nsIObserverService> obsSvc = mozilla::services::GetObserverService();
MOZ_ASSERT(obsSvc);
if (obsSvc) {
obsSvc->NotifyObservers(nullptr, aTopic.get(), nullptr);
}
return IPC_OK();
}
/* static */
void GPUParent::GetGPUProcessName(nsACString& aStr) {
auto processType = XRE_GetProcessType();
unsigned pid = 0;
if (processType == GeckoProcessType_GPU) {
pid = getpid();
} else {
MOZ_DIAGNOSTIC_ASSERT(processType == GeckoProcessType_Default);
pid = GPUProcessManager::Get()->GPUProcessPid();
}
nsPrintfCString processName("GPU (pid %u)", pid);
aStr.Assign(processName);
}
mozilla::ipc::IPCResult GPUParent::RecvRequestMemoryReport(
const uint32_t& aGeneration, const bool& aAnonymize,
const bool& aMinimizeMemoryUsage, const Maybe<FileDescriptor>& aDMDFile,
const RequestMemoryReportResolver& aResolver) {
nsAutoCString processName;
GetGPUProcessName(processName);
mozilla::dom::MemoryReportRequestClient::Start(
aGeneration, aAnonymize, aMinimizeMemoryUsage, aDMDFile, processName,
[&](const MemoryReport& aReport) {
Unused << GetSingleton()->SendAddMemoryReport(aReport);
},
aResolver);
return IPC_OK();
}
mozilla::ipc::IPCResult GPUParent::RecvShutdownVR() {
if (StaticPrefs::dom_vr_process_enabled_AtStartup()) {
VRGPUChild::Shutdown();
}
return IPC_OK();
}
mozilla::ipc::IPCResult GPUParent::RecvUpdatePerfStatsCollectionMask(
const uint64_t& aMask) {
PerfStats::SetCollectionMask(static_cast<PerfStats::MetricMask>(aMask));
return IPC_OK();
}
mozilla::ipc::IPCResult GPUParent::RecvCollectPerfStatsJSON(
CollectPerfStatsJSONResolver&& aResolver) {
aResolver(PerfStats::CollectLocalPerfStatsJSON());
return IPC_OK();
}
mozilla::ipc::IPCResult GPUParent::RecvFlushFOGData(
FlushFOGDataResolver&& aResolver) {
glean::FlushFOGData(std::move(aResolver));
return IPC_OK();
}
mozilla::ipc::IPCResult GPUParent::RecvTestTriggerMetrics(
TestTriggerMetricsResolver&& aResolve) {
mozilla::glean::test_only_ipc::a_counter.Add(nsIXULRuntime::PROCESS_TYPE_GPU);
aResolve(true);
return IPC_OK();
}
mozilla::ipc::IPCResult GPUParent::RecvCrashProcess() {
MOZ_CRASH("Deliberate GPU process crash");
return IPC_OK();
}
void GPUParent::ActorDestroy(ActorDestroyReason aWhy) {
if (AbnormalShutdown == aWhy) {
NS_WARNING("Shutting down GPU process early due to a crash!");
ProcessChild::QuickExit();
}
// Send the last bits of Glean data over to the main process.
glean::FlushFOGData(
[](ByteBuf&& aBuf) { glean::SendFOGData(std::move(aBuf)); });
#ifndef NS_FREE_PERMANENT_DATA
// No point in going through XPCOM shutdown because we don't keep persistent
// state.
ProcessChild::QuickExit();
#endif
// Wait until all RemoteDecoderManagerParent have closed.
mShutdownBlockers.WaitUntilClear(10 * 1000 /* 10s timeout*/)
->Then(GetCurrentSerialEventTarget(), __func__, [self = RefPtr{this}]() {
if (self->mProfilerController) {
self->mProfilerController->Shutdown();
self->mProfilerController = nullptr;
}
if (self->mVsyncBridge) {
self->mVsyncBridge->Shutdown();
self->mVsyncBridge = nullptr;
}
VideoBridgeParent::Shutdown();
// This could be running on either the Compositor thread, the Renderer
// thread, or the dedicated CanvasRender thread, so we need to shutdown
// before the former two.
CanvasRenderThread::Shutdown();
CompositorThreadHolder::Shutdown();
RemoteTextureMap::Shutdown();
// There is a case that RenderThread exists when gfxVars::UseWebRender()
// is false. This could happen when WebRender was fallbacked to
// compositor.
if (wr::RenderThread::Get()) {
wr::RenderThread::ShutDown();
}
#ifdef XP_WIN
if (widget::WinCompositorWindowThread::Get()) {
widget::WinCompositorWindowThread::ShutDown();
}
#endif
image::ImageMemoryReporter::ShutdownForWebRender();
// Shut down the default GL context provider.
gl::GLContextProvider::Shutdown();
#if defined(XP_WIN)
// The above shutdown calls operate on the available context providers
// on most platforms. Windows is a "special snowflake", though, and has
// three context providers available, so we have to shut all of them
// down. We should only support the default GL provider on Windows;
// then, this could go away. Unfortunately, we currently support WGL
// (the default) for WebGL on Optimus.
gl::GLContextProviderEGL::Shutdown();
#endif
Factory::ShutDown();
// We bypass gfxPlatform shutdown, so we must shutdown any libraries here
// that would normally be handled by it.
#ifdef NS_FREE_PERMANENT_DATA
SkGraphics::PurgeFontCache();
cairo_debug_reset_static_data();
#endif
#if defined(XP_WIN)
GpuProcessD3D11QueryMap::Shutdown();
GpuProcessD3D11TextureMap::Shutdown();
DeviceManagerDx::Shutdown();
#endif
LayerTreeOwnerTracker::Shutdown();
gfxVars::Shutdown();
gfxConfig::Shutdown();
CrashReporterClient::DestroySingleton();
XRE_ShutdownChildProcess();
});
}
} // namespace mozilla::gfx
