Add m-esr52 at 52.6.0

1 files changed, 878 insertions, 0 deletions

diff --git a/gfx/thebes/DeviceManagerDx.cpp b/gfx/thebes/DeviceManagerDx.cpp
new file mode 100644
index 0000000000..c194f40f20
--- /dev/null
+++ b/gfx/thebes/DeviceManagerDx.cpp
@@ -0,0 +1,878 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * 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 "DeviceManagerDx.h"
+#include "D3D11Checks.h"
+#include "gfxConfig.h"
+#include "GfxDriverInfo.h"
+#include "gfxPrefs.h"
+#include "gfxWindowsPlatform.h"
+#include "mozilla/D3DMessageUtils.h"
+#include "mozilla/Telemetry.h"
+#include "mozilla/WindowsVersion.h"
+#include "mozilla/gfx/GraphicsMessages.h"
+#include "mozilla/gfx/Logging.h"
+#include "mozilla/layers/CompositorThread.h"
+#include "nsIGfxInfo.h"
+#include <d3d11.h>
+#include <ddraw.h>
+
+namespace mozilla {
+namespace gfx {
+
+using namespace mozilla::widget;
+
+StaticAutoPtr<DeviceManagerDx> DeviceManagerDx::sInstance;
+
+// We don't have access to the D3D11CreateDevice type in gfxWindowsPlatform.h,
+// since it doesn't include d3d11.h, so we use a static here. It should only
+// be used within InitializeD3D11.
+decltype(D3D11CreateDevice)* sD3D11CreateDeviceFn = nullptr;
+
+// We don't have access to the DirectDrawCreateEx type in gfxWindowsPlatform.h,
+// since it doesn't include ddraw.h, so we use a static here. It should only
+// be used within InitializeDirectDrawConfig.
+decltype(DirectDrawCreateEx)* sDirectDrawCreateExFn = nullptr;
+
+/* static */ void
+DeviceManagerDx::Init()
+{
+  sInstance = new DeviceManagerDx();
+}
+
+/* static */ void
+DeviceManagerDx::Shutdown()
+{
+  sInstance = nullptr;
+}
+
+DeviceManagerDx::DeviceManagerDx()
+ : mDeviceLock("gfxWindowsPlatform.mDeviceLock"),
+   mCompositorDeviceSupportsVideo(false)
+{
+  // Set up the D3D11 feature levels we can ask for.
+  if (IsWin8OrLater()) {
+    mFeatureLevels.AppendElement(D3D_FEATURE_LEVEL_11_1);
+  }
+  mFeatureLevels.AppendElement(D3D_FEATURE_LEVEL_11_0);
+  mFeatureLevels.AppendElement(D3D_FEATURE_LEVEL_10_1);
+  mFeatureLevels.AppendElement(D3D_FEATURE_LEVEL_10_0);
+}
+
+bool
+DeviceManagerDx::LoadD3D11()
+{
+  FeatureState& d3d11 = gfxConfig::GetFeature(Feature::D3D11_COMPOSITING);
+  MOZ_ASSERT(d3d11.IsEnabled());
+
+  if (sD3D11CreateDeviceFn) {
+    return true;
+  }
+
+  nsModuleHandle module(LoadLibrarySystem32(L"d3d11.dll"));
+  if (!module) {
+    d3d11.SetFailed(FeatureStatus::Unavailable, "Direct3D11 not available on this computer",
+                    NS_LITERAL_CSTRING("FEATURE_FAILURE_D3D11_LIB"));
+    return false;
+  }
+
+  sD3D11CreateDeviceFn =
+    (decltype(D3D11CreateDevice)*)GetProcAddress(module, "D3D11CreateDevice");
+  if (!sD3D11CreateDeviceFn) {
+    // We should just be on Windows Vista or XP in this case.
+    d3d11.SetFailed(FeatureStatus::Unavailable, "Direct3D11 not available on this computer",
+                    NS_LITERAL_CSTRING("FEATURE_FAILURE_D3D11_FUNCPTR"));
+    return false;
+  }
+
+  mD3D11Module.steal(module);
+  return true;
+}
+
+void
+DeviceManagerDx::ReleaseD3D11()
+{
+  MOZ_ASSERT(!mCompositorDevice);
+  MOZ_ASSERT(!mContentDevice);
+  MOZ_ASSERT(!mDecoderDevice);
+
+  mD3D11Module.reset();
+  sD3D11CreateDeviceFn = nullptr;
+}
+
+static inline bool
+ProcessOwnsCompositor()
+{
+  return XRE_GetProcessType() == GeckoProcessType_GPU ||
+         (XRE_IsParentProcess() && !gfxConfig::IsEnabled(Feature::GPU_PROCESS));
+}
+
+bool
+DeviceManagerDx::CreateCompositorDevices()
+{
+  MOZ_ASSERT(ProcessOwnsCompositor());
+
+  FeatureState& d3d11 = gfxConfig::GetFeature(Feature::D3D11_COMPOSITING);
+  MOZ_ASSERT(d3d11.IsEnabled());
+
+  if (!LoadD3D11()) {
+    return false;
+  }
+
+  CreateCompositorDevice(d3d11);
+
+  if (!d3d11.IsEnabled()) {
+    MOZ_ASSERT(!mCompositorDevice);
+    ReleaseD3D11();
+    return false;
+  }
+
+  // We leak these everywhere and we need them our entire runtime anyway, let's
+  // leak it here as well. We keep the pointer to sD3D11CreateDeviceFn around
+  // as well for D2D1 and device resets.
+  mD3D11Module.disown();
+
+  MOZ_ASSERT(mCompositorDevice);
+  return d3d11.IsEnabled();
+}
+
+void
+DeviceManagerDx::ImportDeviceInfo(const D3D11DeviceStatus& aDeviceStatus)
+{
+  MOZ_ASSERT(!ProcessOwnsCompositor());
+
+  mDeviceStatus = Some(aDeviceStatus);
+}
+
+void
+DeviceManagerDx::ExportDeviceInfo(D3D11DeviceStatus* aOut)
+{
+  // Even though the parent process might not own the compositor, we still
+  // populate DeviceManagerDx with device statistics (for simplicity).
+  // That means it still gets queried for compositor information.
+  MOZ_ASSERT(XRE_IsParentProcess() || XRE_GetProcessType() == GeckoProcessType_GPU);
+
+  if (mDeviceStatus) {
+    *aOut = mDeviceStatus.value();
+  }
+}
+
+void
+DeviceManagerDx::CreateContentDevices()
+{
+  MOZ_ASSERT(gfxConfig::IsEnabled(Feature::D3D11_COMPOSITING));
+
+  if (!LoadD3D11()) {
+    return;
+  }
+
+  // We should have been assigned a DeviceStatus from the parent process,
+  // GPU process, or the same process if using in-process compositing.
+  MOZ_ASSERT(mDeviceStatus);
+
+  if (CreateContentDevice() == FeatureStatus::CrashedInHandler) {
+    DisableD3D11AfterCrash();
+  }
+}
+
+IDXGIAdapter1*
+DeviceManagerDx::GetDXGIAdapter()
+{
+  if (mAdapter) {
+    return mAdapter;
+  }
+
+  nsModuleHandle dxgiModule(LoadLibrarySystem32(L"dxgi.dll"));
+  decltype(CreateDXGIFactory1)* createDXGIFactory1 = (decltype(CreateDXGIFactory1)*)
+    GetProcAddress(dxgiModule, "CreateDXGIFactory1");
+
+  if (!createDXGIFactory1) {
+    return nullptr;
+  }
+
+  // Try to use a DXGI 1.1 adapter in order to share resources
+  // across processes.
+  RefPtr<IDXGIFactory1> factory1;
+  HRESULT hr = createDXGIFactory1(__uuidof(IDXGIFactory1),
+                                  getter_AddRefs(factory1));
+  if (FAILED(hr) || !factory1) {
+    // This seems to happen with some people running the iZ3D driver.
+    // They won't get acceleration.
+    return nullptr;
+  }
+
+  if (!mDeviceStatus) {
+    // If we haven't created a device yet, and have no existing device status,
+    // then this must be the compositor device. Pick the first adapter we can.
+    if (FAILED(factory1->EnumAdapters1(0, getter_AddRefs(mAdapter)))) {
+      return nullptr;
+    }
+  } else {
+    // In the UI and GPU process, we clear mDeviceStatus on device reset, so we
+    // should never reach here. Furthermore, the UI process does not create
+    // devices when using a GPU process.
+    //
+    // So, this should only ever get called on the content process.
+    MOZ_ASSERT(XRE_IsContentProcess());
+
+    // In the child process, we search for the adapter that matches the parent
+    // process. The first adapter can be mismatched on dual-GPU systems.
+    for (UINT index = 0; ; index++) {
+      RefPtr<IDXGIAdapter1> adapter;
+      if (FAILED(factory1->EnumAdapters1(index, getter_AddRefs(adapter)))) {
+        break;
+      }
+
+      const DxgiAdapterDesc& preferred = mDeviceStatus->adapter();
+
+      DXGI_ADAPTER_DESC desc;
+      if (SUCCEEDED(adapter->GetDesc(&desc)) &&
+          desc.AdapterLuid.HighPart == preferred.AdapterLuid.HighPart &&
+          desc.AdapterLuid.LowPart == preferred.AdapterLuid.LowPart &&
+          desc.VendorId == preferred.VendorId &&
+          desc.DeviceId == preferred.DeviceId)
+      {
+        mAdapter = adapter.forget();
+        break;
+      }
+    }
+  }
+
+  if (!mAdapter) {
+    return nullptr;
+  }
+
+  // We leak this module everywhere, we might as well do so here as well.
+  dxgiModule.disown();
+  return mAdapter;
+}
+
+bool
+DeviceManagerDx::CreateCompositorDeviceHelper(
+  FeatureState& aD3d11, IDXGIAdapter1* aAdapter, bool aAttemptVideoSupport, RefPtr<ID3D11Device>& aOutDevice)
+{
+  // Check if a failure was injected for testing.
+  if (gfxPrefs::DeviceFailForTesting()) {
+    aD3d11.SetFailed(FeatureStatus::Failed, "Direct3D11 device failure simulated by preference",
+                     NS_LITERAL_CSTRING("FEATURE_FAILURE_D3D11_SIM"));
+    return false;
+  }
+
+  // Use D3D11_CREATE_DEVICE_PREVENT_INTERNAL_THREADING_OPTIMIZATIONS
+  // to prevent bug 1092260. IE 11 also uses this flag.
+  UINT flags = D3D11_CREATE_DEVICE_BGRA_SUPPORT | D3D11_CREATE_DEVICE_PREVENT_INTERNAL_THREADING_OPTIMIZATIONS;
+  if (aAttemptVideoSupport) {
+    flags |= D3D11_CREATE_DEVICE_VIDEO_SUPPORT;
+  }
+
+  HRESULT hr;
+  RefPtr<ID3D11Device> device;
+  if (!CreateDevice(aAdapter, D3D_DRIVER_TYPE_UNKNOWN, flags, hr, device)) {
+    if (!aAttemptVideoSupport) {
+      gfxCriticalError() << "Crash during D3D11 device creation";
+      aD3d11.SetFailed(FeatureStatus::CrashedInHandler, "Crashed trying to acquire a D3D11 device",
+                       NS_LITERAL_CSTRING("FEATURE_FAILURE_D3D11_DEVICE1"));
+    }
+    return false;
+  }
+
+  if (FAILED(hr) || !device) {
+    if (!aAttemptVideoSupport) {
+      aD3d11.SetFailed(FeatureStatus::Failed, "Failed to acquire a D3D11 device",
+                       NS_LITERAL_CSTRING("FEATURE_FAILURE_D3D11_DEVICE2"));
+    }
+    return false;
+  }
+  if (!D3D11Checks::DoesDeviceWork()) {
+    if (!aAttemptVideoSupport) {
+      aD3d11.SetFailed(FeatureStatus::Broken, "Direct3D11 device was determined to be broken",
+                       NS_LITERAL_CSTRING("FEATURE_FAILURE_D3D11_BROKEN"));
+    }
+    return false;
+  }
+
+  aOutDevice = device;
+  return true;
+}
+
+void
+DeviceManagerDx::CreateCompositorDevice(FeatureState& d3d11)
+{
+  if (gfxPrefs::LayersD3D11ForceWARP()) {
+    CreateWARPCompositorDevice();
+    return;
+  }
+
+  RefPtr<IDXGIAdapter1> adapter = GetDXGIAdapter();
+  if (!adapter) {
+    d3d11.SetFailed(FeatureStatus::Unavailable, "Failed to acquire a DXGI adapter",
+                    NS_LITERAL_CSTRING("FEATURE_FAILURE_D3D11_DXGI"));
+    return;
+  }
+
+  if (XRE_IsGPUProcess() && !D3D11Checks::DoesRemotePresentWork(adapter)) {
+    d3d11.SetFailed(
+      FeatureStatus::Unavailable,
+      "DXGI does not support out-of-process presentation",
+      NS_LITERAL_CSTRING("FEATURE_FAILURE_D3D11_REMOTE_PRESENT"));
+    return;
+  }
+
+  RefPtr<ID3D11Device> device;
+  if (!CreateCompositorDeviceHelper(d3d11, adapter, true, device)) {
+    // Try again without video support and record that it failed.
+    mCompositorDeviceSupportsVideo = false;
+    if (!CreateCompositorDeviceHelper(d3d11, adapter, false, device)) {
+      return;
+    }
+  } else {
+    mCompositorDeviceSupportsVideo = true;
+  }
+
+  // Only test this when not using WARP since it can fail and cause
+  // GetDeviceRemovedReason to return weird values.
+  bool textureSharingWorks = D3D11Checks::DoesTextureSharingWork(device);
+
+  DXGI_ADAPTER_DESC desc;
+  PodZero(&desc);
+  adapter->GetDesc(&desc);
+
+  if (!textureSharingWorks) {
+    gfxConfig::SetFailed(Feature::D3D11_HW_ANGLE,
+                         FeatureStatus::Broken,
+                         "Texture sharing doesn't work");
+  }
+  if (D3D11Checks::DoesRenderTargetViewNeedRecreating(device)) {
+    gfxConfig::SetFailed(Feature::D3D11_HW_ANGLE,
+                         FeatureStatus::Broken,
+                         "RenderTargetViews need recreating");
+  }
+  if (XRE_IsParentProcess()) {
+    // It seems like this may only happen when we're using the NVIDIA gpu
+    D3D11Checks::WarnOnAdapterMismatch(device);
+  }
+
+  int featureLevel = device->GetFeatureLevel();
+  {
+    MutexAutoLock lock(mDeviceLock);
+    mCompositorDevice = device;
+    mDeviceStatus = Some(D3D11DeviceStatus(
+      false,
+      textureSharingWorks,
+      featureLevel,
+      DxgiAdapterDesc::From(desc)));
+  }
+  mCompositorDevice->SetExceptionMode(0);
+}
+
+bool
+DeviceManagerDx::CreateDevice(IDXGIAdapter* aAdapter,
+                                 D3D_DRIVER_TYPE aDriverType,
+                                 UINT aFlags,
+                                 HRESULT& aResOut,
+                                 RefPtr<ID3D11Device>& aOutDevice)
+{
+  MOZ_SEH_TRY {
+    aResOut = sD3D11CreateDeviceFn(
+      aAdapter, aDriverType, nullptr,
+      aFlags,
+      mFeatureLevels.Elements(), mFeatureLevels.Length(),
+      D3D11_SDK_VERSION, getter_AddRefs(aOutDevice), nullptr, nullptr);
+  } MOZ_SEH_EXCEPT (EXCEPTION_EXECUTE_HANDLER) {
+    return false;
+  }
+  return true;
+}
+
+void
+DeviceManagerDx::CreateWARPCompositorDevice()
+{
+  ScopedGfxFeatureReporter reporterWARP("D3D11-WARP", gfxPrefs::LayersD3D11ForceWARP());
+  FeatureState& d3d11 = gfxConfig::GetFeature(Feature::D3D11_COMPOSITING);
+
+  HRESULT hr;
+  RefPtr<ID3D11Device> device;
+
+  // Use D3D11_CREATE_DEVICE_PREVENT_INTERNAL_THREADING_OPTIMIZATIONS
+  // to prevent bug 1092260. IE 11 also uses this flag.
+  UINT flags = D3D11_CREATE_DEVICE_BGRA_SUPPORT;
+  if (!CreateDevice(nullptr, D3D_DRIVER_TYPE_WARP, flags, hr, device)) {
+    gfxCriticalError() << "Exception occurred initializing WARP D3D11 device!";
+    d3d11.SetFailed(FeatureStatus::CrashedInHandler, "Crashed creating a D3D11 WARP device",
+                     NS_LITERAL_CSTRING("FEATURE_FAILURE_D3D11_WARP_DEVICE"));
+  }
+
+  if (FAILED(hr) || !device) {
+    // This should always succeed... in theory.
+    gfxCriticalError() << "Failed to initialize WARP D3D11 device! " << hexa(hr);
+    d3d11.SetFailed(FeatureStatus::Failed, "Failed to create a D3D11 WARP device",
+                    NS_LITERAL_CSTRING("FEATURE_FAILURE_D3D11_WARP_DEVICE2"));
+    return;
+  }
+
+  // Only test for texture sharing on Windows 8 since it puts the device into
+  // an unusable state if used on Windows 7
+  bool textureSharingWorks = false;
+  if (IsWin8OrLater()) {
+    textureSharingWorks = D3D11Checks::DoesTextureSharingWork(device);
+  }
+
+  DxgiAdapterDesc nullAdapter;
+  PodZero(&nullAdapter);
+
+  int featureLevel = device->GetFeatureLevel();
+  {
+    MutexAutoLock lock(mDeviceLock);
+    mCompositorDevice = device;
+    mDeviceStatus = Some(D3D11DeviceStatus(
+      true,
+      textureSharingWorks,
+      featureLevel,
+      nullAdapter));
+  }
+  mCompositorDevice->SetExceptionMode(0);
+
+  reporterWARP.SetSuccessful();
+}
+
+FeatureStatus
+DeviceManagerDx::CreateContentDevice()
+{
+  RefPtr<IDXGIAdapter1> adapter;
+  if (!mDeviceStatus->isWARP()) {
+    adapter = GetDXGIAdapter();
+    if (!adapter) {
+      gfxCriticalNote << "Could not get a DXGI adapter";
+      return FeatureStatus::Unavailable;
+    }
+  }
+
+  HRESULT hr;
+  RefPtr<ID3D11Device> device;
+
+  UINT flags = D3D11_CREATE_DEVICE_BGRA_SUPPORT;
+  D3D_DRIVER_TYPE type = mDeviceStatus->isWARP()
+                         ? D3D_DRIVER_TYPE_WARP
+                         : D3D_DRIVER_TYPE_UNKNOWN;
+  if (!CreateDevice(adapter, type, flags, hr, device)) {
+    gfxCriticalNote << "Recovered from crash while creating a D3D11 content device";
+    gfxWindowsPlatform::RecordContentDeviceFailure(TelemetryDeviceCode::Content);
+    return FeatureStatus::CrashedInHandler;
+  }
+
+  if (FAILED(hr) || !device) {
+    gfxCriticalNote << "Failed to create a D3D11 content device: " << hexa(hr);
+    gfxWindowsPlatform::RecordContentDeviceFailure(TelemetryDeviceCode::Content);
+    return FeatureStatus::Failed;
+  }
+
+  // InitializeD2D() will abort early if the compositor device did not support
+  // texture sharing. If we're in the content process, we can't rely on the
+  // parent device alone: some systems have dual GPUs that are capable of
+  // binding the parent and child processes to different GPUs. As a safety net,
+  // we re-check texture sharing against the newly created D3D11 content device.
+  // If it fails, we won't use Direct2D.
+  if (XRE_IsContentProcess()) {
+    if (!D3D11Checks::DoesTextureSharingWork(device)) {
+      return FeatureStatus::Failed;
+    }
+
+    DebugOnly<bool> ok = ContentAdapterIsParentAdapter(device);
+    MOZ_ASSERT(ok);
+  }
+
+  {
+    MutexAutoLock lock(mDeviceLock);
+    mContentDevice = device;
+  }
+  mContentDevice->SetExceptionMode(0);
+
+  RefPtr<ID3D10Multithread> multi;
+  hr = mContentDevice->QueryInterface(__uuidof(ID3D10Multithread), getter_AddRefs(multi));
+  if (SUCCEEDED(hr) && multi) {
+    multi->SetMultithreadProtected(TRUE);
+  }
+  return FeatureStatus::Available;
+}
+
+RefPtr<ID3D11Device>
+DeviceManagerDx::CreateDecoderDevice()
+{
+  bool isAMD = false;
+  {
+    MutexAutoLock lock(mDeviceLock);
+    if (!mDeviceStatus) {
+      return nullptr;
+    }
+    isAMD = mDeviceStatus->adapter().VendorId == 0x1002;
+  }
+
+  bool reuseDevice = false;
+  if (gfxPrefs::Direct3D11ReuseDecoderDevice() < 0) {
+    // Use the default logic, which is to allow reuse of devices on AMD, but create
+    // separate devices everywhere else.
+    if (isAMD) {
+      reuseDevice = true;
+    }
+  } else if (gfxPrefs::Direct3D11ReuseDecoderDevice() > 0) {
+    reuseDevice = true;
+  }
+
+  if (reuseDevice) {
+    if (mCompositorDevice && mCompositorDeviceSupportsVideo && !mDecoderDevice) {
+      mDecoderDevice = mCompositorDevice;
+
+      RefPtr<ID3D10Multithread> multi;
+      mDecoderDevice->QueryInterface(__uuidof(ID3D10Multithread), getter_AddRefs(multi));
+      if (multi) {
+        multi->SetMultithreadProtected(TRUE);
+      }
+    }
+
+    if (mDecoderDevice) {
+      RefPtr<ID3D11Device> dev = mDecoderDevice;
+      return dev.forget();
+    }
+  }
+
+   if (!sD3D11CreateDeviceFn) {
+    // We should just be on Windows Vista or XP in this case.
+    return nullptr;
+  }
+
+  RefPtr<IDXGIAdapter1> adapter = GetDXGIAdapter();
+  if (!adapter) {
+    return nullptr;
+  }
+
+  HRESULT hr;
+  RefPtr<ID3D11Device> device;
+
+  UINT flags = D3D11_CREATE_DEVICE_PREVENT_INTERNAL_THREADING_OPTIMIZATIONS |
+               D3D11_CREATE_DEVICE_VIDEO_SUPPORT;
+  if (!CreateDevice(adapter, D3D_DRIVER_TYPE_UNKNOWN, flags, hr, device)) {
+    return nullptr;
+  }
+  if (FAILED(hr) || !device || !D3D11Checks::DoesDeviceWork()) {
+    return nullptr;
+  }
+
+  RefPtr<ID3D10Multithread> multi;
+  device->QueryInterface(__uuidof(ID3D10Multithread), getter_AddRefs(multi));
+
+  multi->SetMultithreadProtected(TRUE);
+
+  if (reuseDevice) {
+    mDecoderDevice = device;
+  }
+  return device;
+}
+
+void
+DeviceManagerDx::ResetDevices()
+{
+  MutexAutoLock lock(mDeviceLock);
+
+  mAdapter = nullptr;
+  mCompositorDevice = nullptr;
+  mContentDevice = nullptr;
+  mDeviceStatus = Nothing();
+  mDeviceResetReason = Nothing();
+  Factory::SetDirect3D11Device(nullptr);
+}
+
+bool
+DeviceManagerDx::MaybeResetAndReacquireDevices()
+{
+  DeviceResetReason resetReason;
+  if (!HasDeviceReset(&resetReason)) {
+    return false;
+  }
+
+  if (resetReason != DeviceResetReason::FORCED_RESET) {
+    Telemetry::Accumulate(Telemetry::DEVICE_RESET_REASON, uint32_t(resetReason));
+  }
+
+  bool createCompositorDevice = !!mCompositorDevice;
+  bool createContentDevice = !!mContentDevice;
+
+  ResetDevices();
+
+  if (createCompositorDevice && !CreateCompositorDevices()) {
+    // Just stop, don't try anything more
+    return true;
+  }
+  if (createContentDevice) {
+    CreateContentDevices();
+  }
+
+  return true;
+}
+
+bool
+DeviceManagerDx::ContentAdapterIsParentAdapter(ID3D11Device* device)
+{
+  DXGI_ADAPTER_DESC desc;
+  if (!D3D11Checks::GetDxgiDesc(device, &desc)) {
+    gfxCriticalNote << "Could not query device DXGI adapter info";
+    return false;
+  }
+
+  const DxgiAdapterDesc& preferred = mDeviceStatus->adapter();
+
+  if (desc.VendorId != preferred.VendorId ||
+      desc.DeviceId != preferred.DeviceId ||
+      desc.SubSysId != preferred.SubSysId ||
+      desc.AdapterLuid.HighPart != preferred.AdapterLuid.HighPart ||
+      desc.AdapterLuid.LowPart != preferred.AdapterLuid.LowPart)
+  {
+    gfxCriticalNote <<
+      "VendorIDMismatch P " <<
+      hexa(preferred.VendorId) << " " <<
+      hexa(desc.VendorId);
+    return false;
+  }
+
+  return true;
+}
+
+static DeviceResetReason HResultToResetReason(HRESULT hr)
+{
+  switch (hr) {
+  case DXGI_ERROR_DEVICE_HUNG:
+    return DeviceResetReason::HUNG;
+  case DXGI_ERROR_DEVICE_REMOVED:
+    return DeviceResetReason::REMOVED;
+  case DXGI_ERROR_DEVICE_RESET:
+    return DeviceResetReason::RESET;
+  case DXGI_ERROR_DRIVER_INTERNAL_ERROR:
+    return DeviceResetReason::DRIVER_ERROR;
+  case DXGI_ERROR_INVALID_CALL:
+    return DeviceResetReason::INVALID_CALL;
+  case E_OUTOFMEMORY:
+    return DeviceResetReason::OUT_OF_MEMORY;
+  default:
+    MOZ_ASSERT(false);
+  }
+  return DeviceResetReason::UNKNOWN;
+}
+
+bool
+DeviceManagerDx::HasDeviceReset(DeviceResetReason* aOutReason)
+{
+  MutexAutoLock lock(mDeviceLock);
+
+  if (mDeviceResetReason) {
+    if (aOutReason) {
+      *aOutReason = mDeviceResetReason.value();
+    }
+    return true;
+  }
+
+  DeviceResetReason reason;
+  if (GetAnyDeviceRemovedReason(&reason)) {
+    mDeviceResetReason = Some(reason);
+    if (aOutReason) {
+      *aOutReason = reason;
+    }
+    return true;
+  }
+
+  return false;
+}
+
+static inline bool
+DidDeviceReset(const RefPtr<ID3D11Device>& aDevice, DeviceResetReason* aOutReason)
+{
+  if (!aDevice) {
+    return false;
+  }
+  HRESULT hr = aDevice->GetDeviceRemovedReason();
+  if (hr == S_OK) {
+    return false;
+  }
+
+  *aOutReason = HResultToResetReason(hr);
+  return true;
+}
+
+bool
+DeviceManagerDx::GetAnyDeviceRemovedReason(DeviceResetReason* aOutReason)
+{
+  // Caller must own the lock, since we access devices directly, and can be
+  // called from any thread.
+  mDeviceLock.AssertCurrentThreadOwns();
+
+  if (DidDeviceReset(mCompositorDevice, aOutReason) ||
+      DidDeviceReset(mContentDevice, aOutReason))
+  {
+    return true;
+  }
+
+  if (XRE_IsParentProcess() &&
+      NS_IsMainThread() &&
+      gfxPrefs::DeviceResetForTesting())
+  {
+    gfxPrefs::SetDeviceResetForTesting(0);
+    *aOutReason = DeviceResetReason::FORCED_RESET;
+    return true;
+  }
+
+  return false;
+}
+
+void
+DeviceManagerDx::ForceDeviceReset(ForcedDeviceResetReason aReason)
+{
+  Telemetry::Accumulate(Telemetry::FORCED_DEVICE_RESET_REASON, uint32_t(aReason));
+  {
+    MutexAutoLock lock(mDeviceLock);
+    mDeviceResetReason = Some(DeviceResetReason::FORCED_RESET);
+  }
+}
+
+void
+DeviceManagerDx::NotifyD3D9DeviceReset()
+{
+  MutexAutoLock lock(mDeviceLock);
+  mDeviceResetReason = Some(DeviceResetReason::D3D9_RESET);
+}
+
+void
+DeviceManagerDx::DisableD3D11AfterCrash()
+{
+  gfxConfig::Disable(Feature::D3D11_COMPOSITING,
+    FeatureStatus::CrashedInHandler,
+    "Crashed while acquiring a Direct3D11 device",
+    NS_LITERAL_CSTRING("FEATURE_FAILURE_D3D11_CRASH"));
+  ResetDevices();
+}
+
+RefPtr<ID3D11Device>
+DeviceManagerDx::GetCompositorDevice()
+{
+  MutexAutoLock lock(mDeviceLock);
+  return mCompositorDevice;
+}
+
+RefPtr<ID3D11Device>
+DeviceManagerDx::GetContentDevice()
+{
+  MutexAutoLock lock(mDeviceLock);
+  return mContentDevice;
+}
+
+unsigned
+DeviceManagerDx::GetCompositorFeatureLevel() const
+{
+  if (!mDeviceStatus) {
+    return 0;
+  }
+  return mDeviceStatus->featureLevel();
+}
+
+bool
+DeviceManagerDx::TextureSharingWorks()
+{
+  MutexAutoLock lock(mDeviceLock);
+  if (!mDeviceStatus) {
+    return false;
+  }
+  return mDeviceStatus->textureSharingWorks();
+}
+
+bool
+DeviceManagerDx::CanInitializeKeyedMutexTextures()
+{
+  MutexAutoLock lock(mDeviceLock);
+  if (!mDeviceStatus) {
+    return false;
+  }
+  // Disable this on all Intel devices because of crashes.
+  // See bug 1292923.
+  return mDeviceStatus->adapter().VendorId != 0x8086;
+}
+
+bool
+DeviceManagerDx::CheckRemotePresentSupport()
+{
+  MOZ_ASSERT(XRE_IsParentProcess());
+
+  RefPtr<IDXGIAdapter1> adapter = GetDXGIAdapter();
+  if (!adapter) {
+    return false;
+  }
+  if (!D3D11Checks::DoesRemotePresentWork(adapter)) {
+    return false;
+  }
+  return true;
+}
+
+bool
+DeviceManagerDx::IsWARP()
+{
+  MutexAutoLock lock(mDeviceLock);
+  if (!mDeviceStatus) {
+    return false;
+  }
+  return mDeviceStatus->isWARP();
+}
+
+void
+DeviceManagerDx::InitializeDirectDraw()
+{
+  MOZ_ASSERT(layers::CompositorThreadHolder::IsInCompositorThread());
+
+  if (mDirectDraw) {
+    // Already initialized.
+    return;
+  }
+
+  FeatureState& ddraw = gfxConfig::GetFeature(Feature::DIRECT_DRAW);
+  if (!ddraw.IsEnabled()) {
+    return;
+  }
+
+  // Check if DirectDraw is available on this system.
+  mDirectDrawDLL.own(LoadLibrarySystem32(L"ddraw.dll"));
+  if (!mDirectDrawDLL) {
+    ddraw.SetFailed(FeatureStatus::Unavailable, "DirectDraw not available on this computer",
+                    NS_LITERAL_CSTRING("FEATURE_FAILURE_DDRAW_LIB"));
+    return;
+  }
+
+  sDirectDrawCreateExFn =
+    (decltype(DirectDrawCreateEx)*)GetProcAddress(mDirectDrawDLL, "DirectDrawCreateEx");
+  if (!sDirectDrawCreateExFn) {
+    ddraw.SetFailed(FeatureStatus::Unavailable, "DirectDraw not available on this computer",
+                    NS_LITERAL_CSTRING("FEATURE_FAILURE_DDRAW_LIB"));
+    return;
+  }
+
+  HRESULT hr;
+  MOZ_SEH_TRY {
+    hr = sDirectDrawCreateExFn(nullptr, getter_AddRefs(mDirectDraw), IID_IDirectDraw7, nullptr);
+  } MOZ_SEH_EXCEPT(EXCEPTION_EXECUTE_HANDLER) {
+    ddraw.SetFailed(FeatureStatus::Failed, "Failed to create DirectDraw",
+                    NS_LITERAL_CSTRING("FEATURE_FAILURE_DDRAW_LIB"));
+    gfxCriticalNote << "DoesCreatingDirectDrawFailed";
+    return;
+  }
+  if (FAILED(hr)) {
+    ddraw.SetFailed(FeatureStatus::Failed, "Failed to create DirectDraw",
+                    NS_LITERAL_CSTRING("FEATURE_FAILURE_DDRAW_LIB"));
+    gfxCriticalNote << "DoesCreatingDirectDrawFailed " << hexa(hr);
+    return;
+  }
+}
+
+IDirectDraw7*
+DeviceManagerDx::GetDirectDraw()
+{
+  return mDirectDraw;
+}
+
+} // namespace gfx
+} // namespace mozilla