C++ (Cpp) DevicePrefs::advancedLayers Examples

Example #1

void
GPUChild::Init()
{
  // Build a list of prefs the GPU process will need. Note that because we
  // limit the GPU process to prefs contained in gfxPrefs, we can simplify
  // the message in two ways: one, we only need to send its index in gfxPrefs
  // rather than its name, and two, we only need to send prefs that don't
  // have their default value.
  nsTArray<GfxPrefSetting> prefs;
  for (auto pref : gfxPrefs::all()) {
    if (pref->HasDefaultValue()) {
      continue;
    }

    GfxPrefValue value;
    pref->GetCachedValue(&value);
    prefs.AppendElement(GfxPrefSetting(pref->Index(), value));
  }

  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.advancedLayers() = gfxConfig::GetValue(Feature::ADVANCED_LAYERS);
  devicePrefs.useD2D1() = gfxConfig::GetValue(Feature::DIRECT2D);

  nsTArray<LayerTreeIdMapping> mappings;
  LayerTreeOwnerTracker::Get()->Iterate([&](LayersId aLayersId, base::ProcessId aProcessId) {
    mappings.AppendElement(LayerTreeIdMapping(aLayersId, aProcessId));
  });

  SendInit(prefs, updates, devicePrefs, mappings);

  gfxVars::AddReceiver(this);

#ifdef MOZ_GECKO_PROFILER
  Unused << SendInitProfiler(ProfilerParent::CreateForProcess(OtherPid()));
#endif
}

Example #2

File: GPUParent.cpp Project: luke-chang/gecko-1

mozilla::ipc::IPCResult
GPUParent::RecvInit(nsTArray<GfxPrefSetting>&& prefs,
                    nsTArray<GfxVarUpdate>&& vars,
                    const DevicePrefs& devicePrefs,
                    nsTArray<LayerTreeIdMapping>&& aMappings)
{
  const nsTArray<gfxPrefs::Pref*>& globalPrefs = gfxPrefs::all();
  for (auto& setting : prefs) {
    gfxPrefs::Pref* pref = globalPrefs[setting.index()];
    pref->SetCachedValue(setting.value());
  }
  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());

  for (const LayerTreeIdMapping& map : aMappings) {
    LayerTreeOwnerTracker::Get()->Map(map.layersId(), map.ownerId());
  }

#if defined(XP_WIN)
  if (gfxConfig::IsEnabled(Feature::D3D11_COMPOSITING)) {
    DeviceManagerDx::Get()->CreateCompositorDevices();
  }
  if (gfxVars::UseWebRender()) {
    // Ensure to initialize GfxInfo
    services::GetGfxInfo();
    Factory::EnsureDWriteFactory();
  }
#endif

#if defined(MOZ_WIDGET_GTK)
  char* 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.
  if (gfxVars::UseWebRender()) {
    FT_Library library = Factory::NewFTLibrary();
    MOZ_ASSERT(library);
    Factory::SetFTLibrary(library);
  }
#endif

  // Make sure to do this *after* we update gfxVars above.
  if (gfxVars::UseWebRender()) {
    wr::WebRenderAPI::InitExternalLogHandler();

    wr::RenderThread::Start();
  }

  VRManager::ManagerInit();
  // Send a message to the UI process that we're done.
  GPUDeviceData data;
  RecvGetDeviceStatus(&data);
  Unused << SendInitComplete(data);

  Telemetry::AccumulateTimeDelta(Telemetry::GPU_PROCESS_INITIALIZATION_TIME_MS, mLaunchTime);
  return IPC_OK();
}