Add m-esr52 at 52.6.0

1 files changed, 390 insertions, 0 deletions

diff --git a/gfx/ipc/GPUParent.cpp b/gfx/ipc/GPUParent.cpp
new file mode 100644
index 000000000..d63e17e2f
--- /dev/null
+++ b/gfx/ipc/GPUParent.cpp
@@ -0,0 +1,390 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=99: */
+/* 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"
+#endif
+#include "GPUParent.h"
+#include "gfxConfig.h"
+#include "gfxPlatform.h"
+#include "gfxPrefs.h"
+#include "GPUProcessHost.h"
+#include "mozilla/Assertions.h"
+#include "mozilla/gfx/2D.h"
+#include "mozilla/gfx/gfxVars.h"
+#include "mozilla/ipc/CrashReporterClient.h"
+#include "mozilla/ipc/ProcessChild.h"
+#include "mozilla/layers/APZThreadUtils.h"
+#include "mozilla/layers/APZCTreeManager.h"
+#include "mozilla/layers/CompositorBridgeParent.h"
+#include "mozilla/dom/VideoDecoderManagerParent.h"
+#include "mozilla/layers/CompositorThread.h"
+#include "mozilla/layers/ImageBridgeParent.h"
+#include "mozilla/dom/VideoDecoderManagerChild.h"
+#include "mozilla/layers/LayerTreeOwnerTracker.h"
+#include "nsDebugImpl.h"
+#include "nsExceptionHandler.h"
+#include "nsThreadManager.h"
+#include "prenv.h"
+#include "ProcessUtils.h"
+#include "VRManager.h"
+#include "VRManagerParent.h"
+#include "VsyncBridgeParent.h"
+#if defined(XP_WIN)
+# include "DeviceManagerD3D9.h"
+# include "mozilla/gfx/DeviceManagerDx.h"
+#endif
+#ifdef MOZ_WIDGET_GTK
+# include <gtk/gtk.h>
+#endif
+
+namespace mozilla {
+namespace gfx {
+
+using namespace ipc;
+using namespace layers;
+
+static GPUParent* sGPUParent;
+
+GPUParent::GPUParent()
+{
+  sGPUParent = this;
+}
+
+GPUParent::~GPUParent()
+{
+  sGPUParent = nullptr;
+}
+
+/* static */ GPUParent*
+GPUParent::GetSingleton()
+{
+  return sGPUParent;
+}
+
+bool
+GPUParent::Init(base::ProcessId aParentPid,
+                MessageLoop* aIOLoop,
+                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(aChannel, aParentPid, aIOLoop))) {
+    return false;
+  }
+
+  nsDebugImpl::SetMultiprocessMode("GPU");
+
+#ifdef MOZ_CRASHREPORTER
+  // Init crash reporter support.
+  CrashReporterClient::InitSingleton(this);
+#endif
+
+  // Ensure gfxPrefs are initialized.
+  gfxPrefs::GetSingleton();
+  gfxConfig::Init();
+  gfxVars::Initialize();
+  gfxPlatform::InitNullMetadata();
+  // Ensure our Factory is initialised, mainly for gfx logging to work.
+  gfxPlatform::InitMoz2DLogging();
+#if defined(XP_WIN)
+  DeviceManagerDx::Init();
+  DeviceManagerD3D9::Init();
+#endif
+
+  if (NS_FAILED(NS_InitMinimalXPCOM())) {
+    return false;
+  }
+
+  CompositorThreadHolder::Start();
+  APZThreadUtils::SetControllerThread(CompositorThreadHolder::Loop());
+  APZCTreeManager::InitializeGlobalState();
+  VRManager::ManagerInit();
+  LayerTreeOwnerTracker::Initialize();
+  mozilla::ipc::SetThisProcessName("GPU Process");
+#ifdef XP_WIN
+  wmf::MFStartup();
+#endif
+  return true;
+}
+
+void
+GPUParent::NotifyDeviceReset()
+{
+  if (!NS_IsMainThread()) {
+    NS_DispatchToMainThread(NS_NewRunnableFunction([] () -> void {
+      GPUParent::GetSingleton()->NotifyDeviceReset();
+    }));
+    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
+  Unused << SendNotifyDeviceReset();
+}
+
+bool
+GPUParent::RecvInit(nsTArray<GfxPrefSetting>&& prefs,
+                    nsTArray<GfxVarUpdate>&& vars,
+                    const DevicePrefs& devicePrefs)
+{
+  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::D3D9_COMPOSITING, devicePrefs.d3d9Compositing());
+  gfxConfig::Inherit(Feature::OPENGL_COMPOSITING, devicePrefs.oglCompositing());
+  gfxConfig::Inherit(Feature::DIRECT2D, devicePrefs.useD2D1());
+
+#if defined(XP_WIN)
+  if (gfxConfig::IsEnabled(Feature::D3D11_COMPOSITING)) {
+    DeviceManagerDx::Get()->CreateCompositorDevices();
+  }
+#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);
+  }
+#endif
+
+  // Send a message to the UI process that we're done.
+  GPUDeviceData data;
+  RecvGetDeviceStatus(&data);
+  Unused << SendInitComplete(data);
+
+  return true;
+}
+
+bool
+GPUParent::RecvInitVsyncBridge(Endpoint<PVsyncBridgeParent>&& aVsyncEndpoint)
+{
+  mVsyncBridge = VsyncBridgeParent::Start(Move(aVsyncEndpoint));
+  return true;
+}
+
+bool
+GPUParent::RecvInitImageBridge(Endpoint<PImageBridgeParent>&& aEndpoint)
+{
+  ImageBridgeParent::CreateForGPUProcess(Move(aEndpoint));
+  return true;
+}
+
+bool
+GPUParent::RecvInitVRManager(Endpoint<PVRManagerParent>&& aEndpoint)
+{
+  VRManagerParent::CreateForGPUProcess(Move(aEndpoint));
+  return true;
+}
+
+bool
+GPUParent::RecvUpdatePref(const GfxPrefSetting& setting)
+{
+  gfxPrefs::Pref* pref = gfxPrefs::all()[setting.index()];
+  pref->SetCachedValue(setting.value());
+  return true;
+}
+
+bool
+GPUParent::RecvUpdateVar(const GfxVarUpdate& aUpdate)
+{
+  gfxVars::ApplyUpdate(aUpdate);
+  return true;
+}
+
+static void
+CopyFeatureChange(Feature aFeature, FeatureChange* 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 = null_t();
+    return;
+  }
+
+  MOZ_ASSERT(!feature.IsEnabled());
+
+  nsCString message;
+  message.AssignASCII(feature.GetFailureMessage());
+
+  *aOut = FeatureFailure(feature.GetValue(), message, feature.GetFailureId());
+}
+
+bool
+GPUParent::RecvGetDeviceStatus(GPUDeviceData* aOut)
+{
+  CopyFeatureChange(Feature::D3D11_COMPOSITING, &aOut->d3d11Compositing());
+  CopyFeatureChange(Feature::D3D9_COMPOSITING, &aOut->d3d9Compositing());
+  CopyFeatureChange(Feature::OPENGL_COMPOSITING, &aOut->oglCompositing());
+
+#if defined(XP_WIN)
+  if (DeviceManagerDx* dm = DeviceManagerDx::Get()) {
+    D3D11DeviceStatus deviceStatus;
+    dm->ExportDeviceInfo(&deviceStatus);
+    aOut->gpuDevice() = deviceStatus;
+  }
+#else
+  aOut->gpuDevice() = null_t();
+#endif
+
+  return true;
+}
+
+static void
+OpenParent(RefPtr<CompositorBridgeParent> aParent,
+           Endpoint<PCompositorBridgeParent>&& aEndpoint)
+{
+  if (!aParent->Bind(Move(aEndpoint))) {
+    MOZ_CRASH("Failed to bind compositor");
+  }
+}
+
+bool
+GPUParent::RecvNewWidgetCompositor(Endpoint<layers::PCompositorBridgeParent>&& aEndpoint,
+                                   const CSSToLayoutDeviceScale& aScale,
+                                   const TimeDuration& aVsyncRate,
+                                   const bool& aUseExternalSurfaceSize,
+                                   const IntSize& aSurfaceSize)
+{
+  RefPtr<CompositorBridgeParent> cbp =
+    new CompositorBridgeParent(aScale, aVsyncRate, aUseExternalSurfaceSize, aSurfaceSize);
+
+  MessageLoop* loop = CompositorThreadHolder::Loop();
+  loop->PostTask(NewRunnableFunction(OpenParent, cbp, Move(aEndpoint)));
+  return true;
+}
+
+bool
+GPUParent::RecvNewContentCompositorBridge(Endpoint<PCompositorBridgeParent>&& aEndpoint)
+{
+  return CompositorBridgeParent::CreateForContent(Move(aEndpoint));
+}
+
+bool
+GPUParent::RecvNewContentImageBridge(Endpoint<PImageBridgeParent>&& aEndpoint)
+{
+  return ImageBridgeParent::CreateForContent(Move(aEndpoint));
+}
+
+bool
+GPUParent::RecvNewContentVRManager(Endpoint<PVRManagerParent>&& aEndpoint)
+{
+  return VRManagerParent::CreateForContent(Move(aEndpoint));
+}
+
+bool
+GPUParent::RecvNewContentVideoDecoderManager(Endpoint<PVideoDecoderManagerParent>&& aEndpoint)
+{
+  return dom::VideoDecoderManagerParent::CreateForContent(Move(aEndpoint));
+}
+
+bool
+GPUParent::RecvAddLayerTreeIdMapping(nsTArray<LayerTreeIdMapping>&& aMappings)
+{
+  for (const LayerTreeIdMapping& map : aMappings) {
+    LayerTreeOwnerTracker::Get()->Map(map.layersId(), map.ownerId());
+  }
+  return true;
+}
+
+bool
+GPUParent::RecvRemoveLayerTreeIdMapping(const LayerTreeIdMapping& aMapping)
+{
+  LayerTreeOwnerTracker::Get()->Unmap(aMapping.layersId(), aMapping.ownerId());
+  CompositorBridgeParent::DeallocateLayerTreeId(aMapping.layersId());
+  return true;
+}
+
+bool
+GPUParent::RecvNotifyGpuObservers(const nsCString& aTopic)
+{
+  nsCOMPtr<nsIObserverService> obsSvc = mozilla::services::GetObserverService();
+  MOZ_ASSERT(obsSvc);
+  if (obsSvc) {
+    obsSvc->NotifyObservers(nullptr, aTopic.get(), nullptr);
+  }
+  return true;
+}
+
+void
+GPUParent::ActorDestroy(ActorDestroyReason aWhy)
+{
+  if (AbnormalShutdown == aWhy) {
+    NS_WARNING("Shutting down GPU process early due to a crash!");
+    ProcessChild::QuickExit();
+  }
+
+#ifdef XP_WIN
+  wmf::MFShutdown();
+#endif
+
+#ifndef NS_FREE_PERMANENT_DATA
+  // No point in going through XPCOM shutdown because we don't keep persistent
+  // state.
+  ProcessChild::QuickExit();
+#endif
+
+  if (mVsyncBridge) {
+    mVsyncBridge->Shutdown();
+    mVsyncBridge = nullptr;
+  }
+  dom::VideoDecoderManagerParent::ShutdownVideoBridge();
+  CompositorThreadHolder::Shutdown();
+  Factory::ShutDown();
+#if defined(XP_WIN)
+  DeviceManagerDx::Shutdown();
+  DeviceManagerD3D9::Shutdown();
+#endif
+  LayerTreeOwnerTracker::Shutdown();
+  gfxVars::Shutdown();
+  gfxConfig::Shutdown();
+  gfxPrefs::DestroySingleton();
+#ifdef MOZ_CRASHREPORTER
+  CrashReporterClient::DestroySingleton();
+#endif
+  XRE_ShutdownChildProcess();
+}
+
+} // namespace gfx
+} // namespace mozilla