Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2062 insertions, 0 deletions

diff --git a/widget/windows/GfxInfo.cpp b/widget/windows/GfxInfo.cpp
new file mode 100644
index 0000000000..ae66e5feaa
--- /dev/null
+++ b/widget/windows/GfxInfo.cpp
@@ -0,0 +1,2062 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 "GfxInfo.h"
+
+#include "gfxConfig.h"
+#include "GfxDriverInfo.h"
+#include "gfxWindowsPlatform.h"
+#include "jsapi.h"
+#include "js/PropertyAndElement.h"  // JS_SetElement, JS_SetProperty
+#include "nsExceptionHandler.h"
+#include "nsPrintfCString.h"
+#include "nsUnicharUtils.h"
+#include "prenv.h"
+#include "prprf.h"
+#include "xpcpublic.h"
+
+#include "mozilla/Components.h"
+#include "mozilla/Preferences.h"
+#include "mozilla/gfx/DeviceManagerDx.h"
+#include "mozilla/gfx/Logging.h"
+#include "mozilla/SSE.h"
+#include "mozilla/ArrayUtils.h"
+#include "mozilla/WindowsProcessMitigations.h"
+
+#include <intrin.h>
+#include <windows.h>
+#include <devguid.h>   // for GUID_DEVCLASS_BATTERY
+#include <setupapi.h>  // for SetupDi*
+#include <winioctl.h>  // for IOCTL_*
+#include <batclass.h>  // for BATTERY_*
+
+using namespace mozilla;
+using namespace mozilla::gfx;
+using namespace mozilla::widget;
+
+#ifdef DEBUG
+NS_IMPL_ISUPPORTS_INHERITED(GfxInfo, GfxInfoBase, nsIGfxInfoDebug)
+#endif
+
+static void AssertNotWin32kLockdown() {
+  // Check that we are not in Win32k lockdown
+  MOZ_DIAGNOSTIC_ASSERT(!IsWin32kLockedDown(),
+                        "Invalid Windows GfxInfo API with Win32k lockdown");
+}
+
+/* GetD2DEnabled and GetDwriteEnabled shouldn't be called until after
+ * gfxPlatform initialization has occurred because they depend on it for
+ * information. (See bug 591561) */
+nsresult GfxInfo::GetD2DEnabled(bool* aEnabled) {
+  // Telemetry queries this during XPCOM initialization, and there's no
+  // gfxPlatform by then. Just bail out if gfxPlatform isn't initialized.
+  if (!gfxPlatform::Initialized()) {
+    *aEnabled = false;
+    return NS_OK;
+  }
+
+  // We check gfxConfig rather than the actual render mode, since the UI
+  // process does not use Direct2D if the GPU process is enabled. However,
+  // content processes can still use Direct2D.
+  *aEnabled = gfx::gfxConfig::IsEnabled(gfx::Feature::DIRECT2D);
+  return NS_OK;
+}
+
+nsresult GfxInfo::GetDWriteEnabled(bool* aEnabled) {
+  *aEnabled = gfxWindowsPlatform::GetPlatform()->DWriteEnabled();
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetDWriteVersion(nsAString& aDwriteVersion) {
+  gfxWindowsPlatform::GetDLLVersion(L"dwrite.dll", aDwriteVersion);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetHasBattery(bool* aHasBattery) {
+  AssertNotWin32kLockdown();
+
+  *aHasBattery = mHasBattery;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetEmbeddedInFirefoxReality(bool* aEmbeddedInFirefoxReality) {
+  *aEmbeddedInFirefoxReality = gfxVars::FxREmbedded();
+  return NS_OK;
+}
+
+#define PIXEL_STRUCT_RGB 1
+#define PIXEL_STRUCT_BGR 2
+
+NS_IMETHODIMP
+GfxInfo::GetCleartypeParameters(nsAString& aCleartypeParams) {
+  nsTArray<ClearTypeParameterInfo> clearTypeParams;
+
+  gfxWindowsPlatform::GetPlatform()->GetCleartypeParams(clearTypeParams);
+  uint32_t d, numDisplays = clearTypeParams.Length();
+  bool displayNames = (numDisplays > 1);
+  bool foundData = false;
+  nsString outStr;
+
+  for (d = 0; d < numDisplays; d++) {
+    ClearTypeParameterInfo& params = clearTypeParams[d];
+
+    if (displayNames) {
+      outStr.AppendPrintf(
+          "%S [ ", static_cast<const wchar_t*>(params.displayName.get()));
+    }
+
+    if (params.gamma >= 0) {
+      foundData = true;
+      outStr.AppendPrintf("Gamma: %.4g ", params.gamma / 1000.0);
+    }
+
+    if (params.pixelStructure >= 0) {
+      foundData = true;
+      if (params.pixelStructure == PIXEL_STRUCT_RGB ||
+          params.pixelStructure == PIXEL_STRUCT_BGR) {
+        outStr.AppendPrintf(
+            "Pixel Structure: %s ",
+            (params.pixelStructure == PIXEL_STRUCT_RGB ? "RGB" : "BGR"));
+      } else {
+        outStr.AppendPrintf("Pixel Structure: %d ", params.pixelStructure);
+      }
+    }
+
+    if (params.clearTypeLevel >= 0) {
+      foundData = true;
+      outStr.AppendPrintf("ClearType Level: %d ", params.clearTypeLevel);
+    }
+
+    if (params.enhancedContrast >= 0) {
+      foundData = true;
+      outStr.AppendPrintf("Enhanced Contrast: %d ", params.enhancedContrast);
+    }
+
+    if (displayNames) {
+      outStr.Append(u"] ");
+    }
+  }
+
+  if (foundData) {
+    aCleartypeParams.Assign(outStr);
+    return NS_OK;
+  }
+  return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetWindowProtocol(nsAString& aWindowProtocol) {
+  return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetTestType(nsAString& aTestType) { return NS_ERROR_NOT_IMPLEMENTED; }
+
+static nsresult GetKeyValue(const WCHAR* keyLocation, const WCHAR* keyName,
+                            uint32_t& destValue, int type) {
+  MOZ_ASSERT(type == REG_DWORD || type == REG_QWORD);
+  HKEY key;
+  DWORD dwcbData;
+  DWORD dValue;
+  DWORD resultType;
+  LONG result;
+  nsresult retval = NS_OK;
+
+  result =
+      RegOpenKeyExW(HKEY_LOCAL_MACHINE, keyLocation, 0, KEY_QUERY_VALUE, &key);
+  if (result != ERROR_SUCCESS) {
+    return NS_ERROR_FAILURE;
+  }
+
+  switch (type) {
+    case REG_DWORD: {
+      // We only use this for vram size
+      dwcbData = sizeof(dValue);
+      result = RegQueryValueExW(key, keyName, nullptr, &resultType,
+                                (LPBYTE)&dValue, &dwcbData);
+      if (result == ERROR_SUCCESS && resultType == REG_DWORD) {
+        destValue = (uint32_t)(dValue / 1024 / 1024);
+      } else {
+        retval = NS_ERROR_FAILURE;
+      }
+      break;
+    }
+    case REG_QWORD: {
+      // We only use this for vram size
+      LONGLONG qValue;
+      dwcbData = sizeof(qValue);
+      result = RegQueryValueExW(key, keyName, nullptr, &resultType,
+                                (LPBYTE)&qValue, &dwcbData);
+      if (result == ERROR_SUCCESS && resultType == REG_QWORD) {
+        destValue = (uint32_t)(qValue / 1024 / 1024);
+      } else {
+        retval = NS_ERROR_FAILURE;
+      }
+      break;
+    }
+  }
+  RegCloseKey(key);
+
+  return retval;
+}
+
+static nsresult GetKeyValue(const WCHAR* keyLocation, const WCHAR* keyName,
+                            nsAString& destString, int type) {
+  MOZ_ASSERT(type == REG_MULTI_SZ);
+
+  HKEY key;
+  DWORD dwcbData;
+  DWORD resultType;
+  LONG result;
+  nsresult retval = NS_OK;
+
+  result =
+      RegOpenKeyExW(HKEY_LOCAL_MACHINE, keyLocation, 0, KEY_QUERY_VALUE, &key);
+  if (result != ERROR_SUCCESS) {
+    return NS_ERROR_FAILURE;
+  }
+
+  // A chain of null-separated strings; we convert the nulls to spaces
+  WCHAR wCharValue[1024];
+  dwcbData = sizeof(wCharValue);
+
+  result = RegQueryValueExW(key, keyName, nullptr, &resultType,
+                            (LPBYTE)wCharValue, &dwcbData);
+  if (result == ERROR_SUCCESS && resultType == REG_MULTI_SZ) {
+    // This bit here could probably be cleaner.
+    bool isValid = false;
+
+    DWORD strLen = dwcbData / sizeof(wCharValue[0]);
+    for (DWORD i = 0; i < strLen; i++) {
+      if (wCharValue[i] == '\0') {
+        if (i < strLen - 1 && wCharValue[i + 1] == '\0') {
+          isValid = true;
+          break;
+        } else {
+          wCharValue[i] = ' ';
+        }
+      }
+    }
+
+    // ensure wCharValue is null terminated
+    wCharValue[strLen - 1] = '\0';
+
+    if (isValid) destString = wCharValue;
+
+  } else {
+    retval = NS_ERROR_FAILURE;
+  }
+
+  RegCloseKey(key);
+
+  return retval;
+}
+
+static nsresult GetKeyValues(const WCHAR* keyLocation, const WCHAR* keyName,
+                             nsTArray<nsString>& destStrings) {
+  // First ask for the size of the value
+  DWORD size;
+  LONG rv = RegGetValueW(HKEY_LOCAL_MACHINE, keyLocation, keyName,
+                         RRF_RT_REG_MULTI_SZ, nullptr, nullptr, &size);
+  if (rv != ERROR_SUCCESS) {
+    return NS_ERROR_FAILURE;
+  }
+
+  // Create a buffer with the proper size and retrieve the value
+  WCHAR* wCharValue = new WCHAR[size / sizeof(WCHAR)];
+  rv = RegGetValueW(HKEY_LOCAL_MACHINE, keyLocation, keyName,
+                    RRF_RT_REG_MULTI_SZ, nullptr, (LPBYTE)wCharValue, &size);
+  if (rv != ERROR_SUCCESS) {
+    delete[] wCharValue;
+    return NS_ERROR_FAILURE;
+  }
+
+  // The value is a sequence of null-terminated strings, usually terminated by
+  // an empty string (\0). RegGetValue ensures that the value is properly
+  // terminated with a null character.
+  DWORD i = 0;
+  DWORD strLen = size / sizeof(WCHAR);
+  while (i < strLen) {
+    nsString value(wCharValue + i);
+    if (!value.IsEmpty()) {
+      destStrings.AppendElement(value);
+    }
+    i += value.Length() + 1;
+  }
+  delete[] wCharValue;
+
+  return NS_OK;
+}
+
+// The device ID is a string like PCI\VEN_15AD&DEV_0405&SUBSYS_040515AD
+// this function is used to extract the id's out of it
+uint32_t ParseIDFromDeviceID(const nsAString& key, const nsAString& prefix,
+                             int length) {
+  nsAutoString id(key);
+  ToUpperCase(id);
+  int32_t start = id.Find(prefix);
+  if (start != -1) {
+    id.Cut(0, start + prefix.Length());
+    id.Truncate(length);
+  }
+  if (id.Equals(L"QCOM", nsCaseInsensitiveStringComparator)) {
+    // String format assumptions are broken, so use a Qualcomm PCI Vendor ID
+    // for now. See also GfxDriverInfo::GetDeviceVendor.
+    return 0x5143;
+  }
+  nsresult err;
+  return id.ToInteger(&err, 16);
+}
+
+// OS version in 16.16 major/minor form
+// based on http://msdn.microsoft.com/en-us/library/ms724834(VS.85).aspx
+enum {
+  kWindowsUnknown = 0,
+  kWindows7 = 0x60001,
+  kWindows8 = 0x60002,
+  kWindows8_1 = 0x60003,
+  kWindows10 = 0xA0000
+};
+
+static bool HasBattery() {
+  // Helper classes to manage lifetimes of Windows structs.
+  class MOZ_STACK_CLASS HDevInfoHolder final {
+   public:
+    explicit HDevInfoHolder(HDEVINFO aHandle) : mHandle(aHandle) {}
+
+    ~HDevInfoHolder() { ::SetupDiDestroyDeviceInfoList(mHandle); }
+
+   private:
+    HDEVINFO mHandle;
+  };
+
+  class MOZ_STACK_CLASS HandleHolder final {
+   public:
+    explicit HandleHolder(HANDLE aHandle) : mHandle(aHandle) {}
+
+    ~HandleHolder() { ::CloseHandle(mHandle); }
+
+   private:
+    HANDLE mHandle;
+  };
+
+  HDEVINFO hdev =
+      ::SetupDiGetClassDevs(&GUID_DEVCLASS_BATTERY, nullptr, nullptr,
+                            DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
+  if (hdev == INVALID_HANDLE_VALUE) {
+    return true;
+  }
+
+  HDevInfoHolder hdevHolder(hdev);
+
+  DWORD i = 0;
+  SP_DEVICE_INTERFACE_DATA did = {0};
+  did.cbSize = sizeof(did);
+
+  while (::SetupDiEnumDeviceInterfaces(hdev, nullptr, &GUID_DEVCLASS_BATTERY, i,
+                                       &did)) {
+    DWORD bufferSize = 0;
+    ::SetupDiGetDeviceInterfaceDetail(hdev, &did, nullptr, 0, &bufferSize,
+                                      nullptr);
+    if (::GetLastError() != ERROR_INSUFFICIENT_BUFFER) {
+      return true;
+    }
+
+    UniquePtr<uint8_t[]> buffer(new (std::nothrow) uint8_t[bufferSize]);
+    if (!buffer) {
+      return true;
+    }
+
+    PSP_DEVICE_INTERFACE_DETAIL_DATA pdidd =
+        reinterpret_cast<PSP_DEVICE_INTERFACE_DETAIL_DATA>(buffer.get());
+    pdidd->cbSize = sizeof(*pdidd);
+    if (!::SetupDiGetDeviceInterfaceDetail(hdev, &did, pdidd, bufferSize,
+                                           &bufferSize, nullptr)) {
+      return true;
+    }
+
+    HANDLE hbat = ::CreateFile(pdidd->DevicePath, GENERIC_READ | GENERIC_WRITE,
+                               FILE_SHARE_READ | FILE_SHARE_WRITE, nullptr,
+                               OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, nullptr);
+    if (hbat == INVALID_HANDLE_VALUE) {
+      return true;
+    }
+
+    HandleHolder hbatHolder(hbat);
+
+    BATTERY_QUERY_INFORMATION bqi = {0};
+    DWORD dwWait = 0;
+    DWORD dwOut;
+
+    // We need the tag to query the information below.
+    if (!::DeviceIoControl(hbat, IOCTL_BATTERY_QUERY_TAG, &dwWait,
+                           sizeof(dwWait), &bqi.BatteryTag,
+                           sizeof(bqi.BatteryTag), &dwOut, nullptr) ||
+        !bqi.BatteryTag) {
+      return true;
+    }
+
+    BATTERY_INFORMATION bi = {0};
+    bqi.InformationLevel = BatteryInformation;
+
+    if (!::DeviceIoControl(hbat, IOCTL_BATTERY_QUERY_INFORMATION, &bqi,
+                           sizeof(bqi), &bi, sizeof(bi), &dwOut, nullptr)) {
+      return true;
+    }
+
+    // If a battery intended for general use (i.e. system use) is not a UPS
+    // (i.e. short term), then we know for certain we have a battery.
+    if ((bi.Capabilities & BATTERY_SYSTEM_BATTERY) &&
+        !(bi.Capabilities & BATTERY_IS_SHORT_TERM)) {
+      return true;
+    }
+
+    // Otherwise we check the next battery.
+    ++i;
+  }
+
+  // If we fail to enumerate because there are no more batteries to check, then
+  // we can safely say there are indeed no system batteries.
+  return ::GetLastError() != ERROR_NO_MORE_ITEMS;
+}
+
+/* Other interesting places for info:
+ *   IDXGIAdapter::GetDesc()
+ *   IDirectDraw7::GetAvailableVidMem()
+ *   e->GetAvailableTextureMem()
+ * */
+
+#define DEVICE_KEY_PREFIX L"\\Registry\\Machine\\"
+nsresult GfxInfo::Init() {
+  nsresult rv = GfxInfoBase::Init();
+
+  // If we are locked down in a content process, we can't call any of the
+  // Win32k APIs below. Any method that accesses members of this class should
+  // assert that it's not used in content
+  if (IsWin32kLockedDown()) {
+    return rv;
+  }
+
+  mHasBattery = HasBattery();
+
+  DISPLAY_DEVICEW displayDevice;
+  displayDevice.cb = sizeof(displayDevice);
+  int deviceIndex = 0;
+
+  const char* spoofedWindowsVersion =
+      PR_GetEnv("MOZ_GFX_SPOOF_WINDOWS_VERSION");
+  if (spoofedWindowsVersion) {
+    PR_sscanf(spoofedWindowsVersion, "%x,%u", &mWindowsVersion,
+              &mWindowsBuildNumber);
+  } else {
+    OSVERSIONINFO vinfo;
+    vinfo.dwOSVersionInfoSize = sizeof(vinfo);
+#ifdef _MSC_VER
+#  pragma warning(push)
+#  pragma warning(disable : 4996)
+#endif
+    if (!GetVersionEx(&vinfo)) {
+#ifdef _MSC_VER
+#  pragma warning(pop)
+#endif
+      mWindowsVersion = kWindowsUnknown;
+    } else {
+      mWindowsVersion =
+          int32_t(vinfo.dwMajorVersion << 16) + vinfo.dwMinorVersion;
+      mWindowsBuildNumber = vinfo.dwBuildNumber;
+    }
+  }
+
+  mDeviceKeyDebug = u"PrimarySearch"_ns;
+
+  while (EnumDisplayDevicesW(nullptr, deviceIndex, &displayDevice, 0)) {
+    if (displayDevice.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE) {
+      mDeviceKeyDebug = u"NullSearch"_ns;
+      break;
+    }
+    deviceIndex++;
+  }
+
+  // make sure the string is nullptr terminated
+  if (wcsnlen(displayDevice.DeviceKey, ArrayLength(displayDevice.DeviceKey)) ==
+      ArrayLength(displayDevice.DeviceKey)) {
+    // we did not find a nullptr
+    return rv;
+  }
+
+  mDeviceKeyDebug = displayDevice.DeviceKey;
+
+  /* DeviceKey is "reserved" according to MSDN so we'll be careful with it */
+  /* check that DeviceKey begins with DEVICE_KEY_PREFIX */
+  /* some systems have a DeviceKey starting with \REGISTRY\Machine\ so we need
+   * to compare case insenstively */
+  /* If the device key is empty, we are most likely in a remote desktop
+   * environment. In this case we set the devicekey to an empty string so
+   * it can be handled later.
+   */
+  if (displayDevice.DeviceKey[0] != '\0') {
+    if (_wcsnicmp(displayDevice.DeviceKey, DEVICE_KEY_PREFIX,
+                  ArrayLength(DEVICE_KEY_PREFIX) - 1) != 0) {
+      return rv;
+    }
+
+    // chop off DEVICE_KEY_PREFIX
+    mDeviceKey[0] =
+        displayDevice.DeviceKey + ArrayLength(DEVICE_KEY_PREFIX) - 1;
+  } else {
+    mDeviceKey[0].Truncate();
+  }
+
+  mDeviceID[0] = displayDevice.DeviceID;
+  mDeviceString[0] = displayDevice.DeviceString;
+
+  // On Windows 8 and Server 2012 hosts, we want to not block RDP
+  // sessions from attempting hardware acceleration.  RemoteFX
+  // provides features and functionaltiy that can give a good D3D10 +
+  // D2D + DirectWrite experience emulated via a software GPU.
+  //
+  // Unfortunately, the Device ID is nullptr, and we can't enumerate
+  // it using the setup infrastructure (SetupDiGetClassDevsW below
+  // will return INVALID_HANDLE_VALUE).
+  UINT flags = DIGCF_PRESENT | DIGCF_PROFILE | DIGCF_ALLCLASSES;
+  if (mWindowsVersion >= kWindows8 && mDeviceID[0].Length() == 0 &&
+      mDeviceString[0].EqualsLiteral("RDPUDD Chained DD")) {
+    WCHAR sysdir[255];
+    UINT len = GetSystemDirectory(sysdir, sizeof(sysdir));
+    if (len < sizeof(sysdir)) {
+      nsString rdpudd(sysdir);
+      rdpudd.AppendLiteral("\\rdpudd.dll");
+      gfxWindowsPlatform::GetDLLVersion(rdpudd.BeginReading(),
+                                        mDriverVersion[0]);
+      mDriverDate[0].AssignLiteral("01-01-1970");
+
+      // 0x1414 is Microsoft; 0xfefe is an invented (and unused) code
+      mDeviceID[0].AssignLiteral("PCI\\VEN_1414&DEV_FEFE&SUBSYS_00000000");
+      flags |= DIGCF_DEVICEINTERFACE;
+    }
+  }
+
+  /* create a device information set composed of the current display device */
+  HDEVINFO devinfo =
+      SetupDiGetClassDevsW(nullptr, mDeviceID[0].get(), nullptr, flags);
+
+  if (devinfo != INVALID_HANDLE_VALUE) {
+    HKEY key;
+    LONG result;
+    WCHAR value[255];
+    DWORD dwcbData;
+    SP_DEVINFO_DATA devinfoData;
+    DWORD memberIndex = 0;
+
+    devinfoData.cbSize = sizeof(devinfoData);
+    constexpr auto driverKeyPre =
+        u"System\\CurrentControlSet\\Control\\Class\\"_ns;
+    /* enumerate device information elements in the device information set */
+    while (SetupDiEnumDeviceInfo(devinfo, memberIndex++, &devinfoData)) {
+      /* get a string that identifies the device's driver key */
+      if (SetupDiGetDeviceRegistryPropertyW(devinfo, &devinfoData, SPDRP_DRIVER,
+                                            nullptr, (PBYTE)value,
+                                            sizeof(value), nullptr)) {
+        nsAutoString driverKey(driverKeyPre);
+        driverKey += value;
+        result = RegOpenKeyExW(HKEY_LOCAL_MACHINE, driverKey.get(), 0,
+                               KEY_QUERY_VALUE, &key);
+        if (result == ERROR_SUCCESS) {
+          /* we've found the driver we're looking for */
+          dwcbData = sizeof(value);
+          result = RegQueryValueExW(key, L"DriverVersion", nullptr, nullptr,
+                                    (LPBYTE)value, &dwcbData);
+          if (result == ERROR_SUCCESS) {
+            mDriverVersion[0] = value;
+          } else {
+            // If the entry wasn't found, assume the worst (0.0.0.0).
+            mDriverVersion[0].AssignLiteral("0.0.0.0");
+          }
+          dwcbData = sizeof(value);
+          result = RegQueryValueExW(key, L"DriverDate", nullptr, nullptr,
+                                    (LPBYTE)value, &dwcbData);
+          if (result == ERROR_SUCCESS) {
+            mDriverDate[0] = value;
+          } else {
+            // Again, assume the worst
+            mDriverDate[0].AssignLiteral("01-01-1970");
+          }
+          RegCloseKey(key);
+          break;
+        }
+      }
+    }
+
+    SetupDiDestroyDeviceInfoList(devinfo);
+  }
+
+  // It is convenient to have these as integers
+  uint32_t adapterVendorID[2] = {0, 0};
+  uint32_t adapterDeviceID[2] = {0, 0};
+  uint32_t adapterSubsysID[2] = {0, 0};
+
+  adapterVendorID[0] = ParseIDFromDeviceID(mDeviceID[0], u"VEN_"_ns, 4);
+  adapterDeviceID[0] = ParseIDFromDeviceID(mDeviceID[0], u"&DEV_"_ns, 4);
+  adapterSubsysID[0] = ParseIDFromDeviceID(mDeviceID[0], u"&SUBSYS_"_ns, 8);
+
+  // Sometimes we don't get the valid device using this method.  For now,
+  // allow zero vendor or device as valid, as long as the other value is
+  // non-zero.
+  bool foundValidDevice = (adapterVendorID[0] != 0 || adapterDeviceID[0] != 0);
+
+  // We now check for second display adapter.  If we didn't find the valid
+  // device using the original approach, we will try the alternative.
+
+  // Device interface class for display adapters.
+  CLSID GUID_DISPLAY_DEVICE_ARRIVAL;
+  HRESULT hresult = CLSIDFromString(L"{1CA05180-A699-450A-9A0C-DE4FBE3DDD89}",
+                                    &GUID_DISPLAY_DEVICE_ARRIVAL);
+  if (hresult == NOERROR) {
+    devinfo =
+        SetupDiGetClassDevsW(&GUID_DISPLAY_DEVICE_ARRIVAL, nullptr, nullptr,
+                             DIGCF_PRESENT | DIGCF_INTERFACEDEVICE);
+
+    if (devinfo != INVALID_HANDLE_VALUE) {
+      HKEY key;
+      LONG result;
+      WCHAR value[255];
+      DWORD dwcbData;
+      SP_DEVINFO_DATA devinfoData;
+      DWORD memberIndex = 0;
+      devinfoData.cbSize = sizeof(devinfoData);
+
+      nsAutoString adapterDriver2;
+      nsAutoString deviceID2;
+      nsAutoString driverVersion2;
+      nsAutoString driverDate2;
+
+      constexpr auto driverKeyPre =
+          u"System\\CurrentControlSet\\Control\\Class\\"_ns;
+      /* enumerate device information elements in the device information set */
+      while (SetupDiEnumDeviceInfo(devinfo, memberIndex++, &devinfoData)) {
+        /* get a string that identifies the device's driver key */
+        if (SetupDiGetDeviceRegistryPropertyW(
+                devinfo, &devinfoData, SPDRP_DRIVER, nullptr, (PBYTE)value,
+                sizeof(value), nullptr)) {
+          nsAutoString driverKey2(driverKeyPre);
+          driverKey2 += value;
+          result = RegOpenKeyExW(HKEY_LOCAL_MACHINE, driverKey2.get(), 0,
+                                 KEY_QUERY_VALUE, &key);
+          if (result == ERROR_SUCCESS) {
+            dwcbData = sizeof(value);
+            result = RegQueryValueExW(key, L"MatchingDeviceId", nullptr,
+                                      nullptr, (LPBYTE)value, &dwcbData);
+            if (result != ERROR_SUCCESS) {
+              continue;
+            }
+            deviceID2 = value;
+            adapterVendorID[1] = ParseIDFromDeviceID(deviceID2, u"VEN_"_ns, 4);
+            adapterDeviceID[1] = ParseIDFromDeviceID(deviceID2, u"&DEV_"_ns, 4);
+            // Skip the devices we already considered, as well as any
+            // "zero" ones.
+            if ((adapterVendorID[0] == adapterVendorID[1] &&
+                 adapterDeviceID[0] == adapterDeviceID[1]) ||
+                (adapterVendorID[1] == 0 && adapterDeviceID[1] == 0)) {
+              RegCloseKey(key);
+              continue;
+            }
+
+            // If this device is missing driver information, it is unlikely to
+            // be a real display adapter.
+            if (NS_FAILED(GetKeyValue(driverKey2.get(),
+                                      L"InstalledDisplayDrivers",
+                                      adapterDriver2, REG_MULTI_SZ))) {
+              RegCloseKey(key);
+              continue;
+            }
+            dwcbData = sizeof(value);
+            result = RegQueryValueExW(key, L"DriverVersion", nullptr, nullptr,
+                                      (LPBYTE)value, &dwcbData);
+            if (result != ERROR_SUCCESS) {
+              RegCloseKey(key);
+              continue;
+            }
+            driverVersion2 = value;
+            dwcbData = sizeof(value);
+            result = RegQueryValueExW(key, L"DriverDate", nullptr, nullptr,
+                                      (LPBYTE)value, &dwcbData);
+            if (result != ERROR_SUCCESS) {
+              RegCloseKey(key);
+              continue;
+            }
+            driverDate2 = value;
+            dwcbData = sizeof(value);
+            result = RegQueryValueExW(key, L"Device Description", nullptr,
+                                      nullptr, (LPBYTE)value, &dwcbData);
+            if (result != ERROR_SUCCESS) {
+              dwcbData = sizeof(value);
+              result = RegQueryValueExW(key, L"DriverDesc", nullptr, nullptr,
+                                        (LPBYTE)value, &dwcbData);
+            }
+            RegCloseKey(key);
+            if (result == ERROR_SUCCESS) {
+              // If we didn't find a valid device with the original method
+              // take this one, and continue looking for the second GPU.
+              if (!foundValidDevice) {
+                foundValidDevice = true;
+                adapterVendorID[0] = adapterVendorID[1];
+                adapterDeviceID[0] = adapterDeviceID[1];
+                mDeviceString[0] = value;
+                mDeviceID[0] = deviceID2;
+                mDeviceKey[0] = driverKey2;
+                mDriverVersion[0] = driverVersion2;
+                mDriverDate[0] = driverDate2;
+                adapterSubsysID[0] =
+                    ParseIDFromDeviceID(mDeviceID[0], u"&SUBSYS_"_ns, 8);
+                continue;
+              }
+
+              mHasDualGPU = true;
+              mDeviceString[1] = value;
+              mDeviceID[1] = deviceID2;
+              mDeviceKey[1] = driverKey2;
+              mDriverVersion[1] = driverVersion2;
+              mDriverDate[1] = driverDate2;
+              adapterSubsysID[1] =
+                  ParseIDFromDeviceID(mDeviceID[1], u"&SUBSYS_"_ns, 8);
+              mAdapterVendorID[1].AppendPrintf("0x%04x", adapterVendorID[1]);
+              mAdapterDeviceID[1].AppendPrintf("0x%04x", adapterDeviceID[1]);
+              mAdapterSubsysID[1].AppendPrintf("%08x", adapterSubsysID[1]);
+              break;
+            }
+          }
+        }
+      }
+
+      SetupDiDestroyDeviceInfoList(devinfo);
+    }
+  }
+
+  mAdapterVendorID[0].AppendPrintf("0x%04x", adapterVendorID[0]);
+  mAdapterDeviceID[0].AppendPrintf("0x%04x", adapterDeviceID[0]);
+  mAdapterSubsysID[0].AppendPrintf("%08x", adapterSubsysID[0]);
+
+  // Sometimes, the enumeration is not quite right and the two adapters
+  // end up being swapped.  Actually enumerate the adapters that come
+  // back from the DXGI factory to check, and tag the second as active
+  // if found.
+  if (mHasDualGPU) {
+    nsModuleHandle dxgiModule(LoadLibrarySystem32(L"dxgi.dll"));
+    decltype(CreateDXGIFactory)* createDXGIFactory =
+        (decltype(CreateDXGIFactory)*)GetProcAddress(dxgiModule,
+                                                     "CreateDXGIFactory");
+
+    if (createDXGIFactory) {
+      RefPtr<IDXGIFactory> factory = nullptr;
+      createDXGIFactory(__uuidof(IDXGIFactory), (void**)(&factory));
+      if (factory) {
+        RefPtr<IDXGIAdapter> adapter;
+        if (SUCCEEDED(factory->EnumAdapters(0, getter_AddRefs(adapter)))) {
+          DXGI_ADAPTER_DESC desc;
+          PodZero(&desc);
+          if (SUCCEEDED(adapter->GetDesc(&desc))) {
+            if (desc.VendorId != adapterVendorID[0] &&
+                desc.DeviceId != adapterDeviceID[0] &&
+                desc.VendorId == adapterVendorID[1] &&
+                desc.DeviceId == adapterDeviceID[1]) {
+              mActiveGPUIndex = 1;
+            }
+          }
+        }
+      }
+    }
+  }
+
+  mHasDriverVersionMismatch = false;
+  if (mAdapterVendorID[mActiveGPUIndex] ==
+      GfxDriverInfo::GetDeviceVendor(DeviceVendor::Intel)) {
+    // we've had big crashers (bugs 590373 and 595364) apparently correlated
+    // with bad Intel driver installations where the DriverVersion reported
+    // by the registry was not the version of the DLL.
+
+    // Note that these start without the .dll extension but eventually gain it.
+    bool is64bitApp = sizeof(void*) == 8;
+    nsAutoString dllFileName(is64bitApp ? u"igd10umd64" : u"igd10umd32");
+    nsAutoString dllFileName2(is64bitApp ? u"igd10iumd64" : u"igd10iumd32");
+
+    nsString dllVersion, dllVersion2;
+    uint64_t dllNumericVersion = 0, dllNumericVersion2 = 0,
+             driverNumericVersion = 0, knownSafeMismatchVersion = 0;
+
+    // Only parse the DLL version for those found in the driver list
+    nsAutoString eligibleDLLs;
+    if (NS_SUCCEEDED(GetAdapterDriver(eligibleDLLs))) {
+      if (FindInReadable(dllFileName, eligibleDLLs)) {
+        dllFileName += u".dll"_ns;
+        gfxWindowsPlatform::GetDLLVersion(dllFileName.get(), dllVersion);
+        ParseDriverVersion(dllVersion, &dllNumericVersion);
+      }
+      if (FindInReadable(dllFileName2, eligibleDLLs)) {
+        dllFileName2 += u".dll"_ns;
+        gfxWindowsPlatform::GetDLLVersion(dllFileName2.get(), dllVersion2);
+        ParseDriverVersion(dllVersion2, &dllNumericVersion2);
+      }
+    }
+
+    // Sometimes the DLL is not in the System32 nor SysWOW64 directories. But
+    // UserModeDriverName (or UserModeDriverNameWow, if available) might provide
+    // the full path to the DLL in some DriverStore FileRepository.
+    if (dllNumericVersion == 0 && dllNumericVersion2 == 0) {
+      nsTArray<nsString> eligibleDLLpaths;
+      const WCHAR* keyLocation = mDeviceKey[mActiveGPUIndex].get();
+      GetKeyValues(keyLocation, L"UserModeDriverName", eligibleDLLpaths);
+      GetKeyValues(keyLocation, L"UserModeDriverNameWow", eligibleDLLpaths);
+      size_t length = eligibleDLLpaths.Length();
+      for (size_t i = 0;
+           i < length && dllNumericVersion == 0 && dllNumericVersion2 == 0;
+           ++i) {
+        if (FindInReadable(dllFileName, eligibleDLLpaths[i])) {
+          gfxWindowsPlatform::GetDLLVersion(eligibleDLLpaths[i].get(),
+                                            dllVersion);
+          ParseDriverVersion(dllVersion, &dllNumericVersion);
+        } else if (FindInReadable(dllFileName2, eligibleDLLpaths[i])) {
+          gfxWindowsPlatform::GetDLLVersion(eligibleDLLpaths[i].get(),
+                                            dllVersion2);
+          ParseDriverVersion(dllVersion2, &dllNumericVersion2);
+        }
+      }
+    }
+
+    ParseDriverVersion(mDriverVersion[mActiveGPUIndex], &driverNumericVersion);
+    ParseDriverVersion(u"9.17.10.0"_ns, &knownSafeMismatchVersion);
+
+    // If there's a driver version mismatch, consider this harmful only when
+    // the driver version is less than knownSafeMismatchVersion.  See the
+    // above comment about crashes with old mismatches.  If the GetDllVersion
+    // call fails, we are not calling it a mismatch.
+    if ((dllNumericVersion != 0 && dllNumericVersion != driverNumericVersion) ||
+        (dllNumericVersion2 != 0 &&
+         dllNumericVersion2 != driverNumericVersion)) {
+      if (driverNumericVersion < knownSafeMismatchVersion ||
+          std::max(dllNumericVersion, dllNumericVersion2) <
+              knownSafeMismatchVersion) {
+        mHasDriverVersionMismatch = true;
+        gfxCriticalNoteOnce
+            << "Mismatched driver versions between the registry "
+            << NS_ConvertUTF16toUTF8(mDriverVersion[mActiveGPUIndex]).get()
+            << " and DLL(s) " << NS_ConvertUTF16toUTF8(dllVersion).get() << ", "
+            << NS_ConvertUTF16toUTF8(dllVersion2).get() << " reported.";
+      }
+    } else if (dllNumericVersion == 0 && dllNumericVersion2 == 0) {
+      // Leave it as an asserting error for now, to see if we can find
+      // a system that exhibits this kind of a problem internally.
+      gfxCriticalErrorOnce()
+          << "Potential driver version mismatch ignored due to missing DLLs "
+          << NS_ConvertUTF16toUTF8(dllFileName).get()
+          << " v=" << NS_ConvertUTF16toUTF8(dllVersion).get() << " and "
+          << NS_ConvertUTF16toUTF8(dllFileName2).get()
+          << " v=" << NS_ConvertUTF16toUTF8(dllVersion2).get();
+    }
+  }
+
+  const char* spoofedDriverVersionString =
+      PR_GetEnv("MOZ_GFX_SPOOF_DRIVER_VERSION");
+  if (spoofedDriverVersionString) {
+    mDriverVersion[mActiveGPUIndex].AssignASCII(spoofedDriverVersionString);
+  }
+
+  const char* spoofedVendor = PR_GetEnv("MOZ_GFX_SPOOF_VENDOR_ID");
+  if (spoofedVendor) {
+    mAdapterVendorID[mActiveGPUIndex].AssignASCII(spoofedVendor);
+  }
+
+  const char* spoofedDevice = PR_GetEnv("MOZ_GFX_SPOOF_DEVICE_ID");
+  if (spoofedDevice) {
+    mAdapterDeviceID[mActiveGPUIndex].AssignASCII(spoofedDevice);
+  }
+
+  AddCrashReportAnnotations();
+
+  return rv;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterDescription(nsAString& aAdapterDescription) {
+  AssertNotWin32kLockdown();
+
+  aAdapterDescription = mDeviceString[mActiveGPUIndex];
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterDescription2(nsAString& aAdapterDescription) {
+  AssertNotWin32kLockdown();
+
+  aAdapterDescription = mDeviceString[1 - mActiveGPUIndex];
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterRAM(uint32_t* aAdapterRAM) {
+  AssertNotWin32kLockdown();
+
+  uint32_t result = 0;
+  if (NS_FAILED(GetKeyValue(mDeviceKey[mActiveGPUIndex].get(),
+                            L"HardwareInformation.qwMemorySize", result,
+                            REG_QWORD)) ||
+      result == 0) {
+    if (NS_FAILED(GetKeyValue(mDeviceKey[mActiveGPUIndex].get(),
+                              L"HardwareInformation.MemorySize", result,
+                              REG_DWORD))) {
+      result = 0;
+    }
+  }
+  *aAdapterRAM = result;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterRAM2(uint32_t* aAdapterRAM) {
+  AssertNotWin32kLockdown();
+
+  uint32_t result = 0;
+  if (mHasDualGPU) {
+    if (NS_FAILED(GetKeyValue(mDeviceKey[1 - mActiveGPUIndex].get(),
+                              L"HardwareInformation.qwMemorySize", result,
+                              REG_QWORD)) ||
+        result == 0) {
+      if (NS_FAILED(GetKeyValue(mDeviceKey[1 - mActiveGPUIndex].get(),
+                                L"HardwareInformation.MemorySize", result,
+                                REG_DWORD))) {
+        result = 0;
+      }
+    }
+  }
+  *aAdapterRAM = result;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterDriver(nsAString& aAdapterDriver) {
+  AssertNotWin32kLockdown();
+
+  if (NS_FAILED(GetKeyValue(mDeviceKey[mActiveGPUIndex].get(),
+                            L"InstalledDisplayDrivers", aAdapterDriver,
+                            REG_MULTI_SZ)))
+    aAdapterDriver = L"Unknown";
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterDriver2(nsAString& aAdapterDriver) {
+  AssertNotWin32kLockdown();
+
+  if (!mHasDualGPU) {
+    aAdapterDriver.Truncate();
+  } else if (NS_FAILED(GetKeyValue(mDeviceKey[1 - mActiveGPUIndex].get(),
+                                   L"InstalledDisplayDrivers", aAdapterDriver,
+                                   REG_MULTI_SZ))) {
+    aAdapterDriver = L"Unknown";
+  }
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterDriverVendor(nsAString& aAdapterDriverVendor) {
+  aAdapterDriverVendor.Truncate();
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterDriverVersion(nsAString& aAdapterDriverVersion) {
+  AssertNotWin32kLockdown();
+
+  aAdapterDriverVersion = mDriverVersion[mActiveGPUIndex];
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterDriverDate(nsAString& aAdapterDriverDate) {
+  AssertNotWin32kLockdown();
+
+  aAdapterDriverDate = mDriverDate[mActiveGPUIndex];
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterDriverVendor2(nsAString& aAdapterDriverVendor) {
+  aAdapterDriverVendor.Truncate();
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterDriverVersion2(nsAString& aAdapterDriverVersion) {
+  AssertNotWin32kLockdown();
+
+  aAdapterDriverVersion = mDriverVersion[1 - mActiveGPUIndex];
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterDriverDate2(nsAString& aAdapterDriverDate) {
+  AssertNotWin32kLockdown();
+
+  aAdapterDriverDate = mDriverDate[1 - mActiveGPUIndex];
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterVendorID(nsAString& aAdapterVendorID) {
+  AssertNotWin32kLockdown();
+
+  aAdapterVendorID = mAdapterVendorID[mActiveGPUIndex];
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterVendorID2(nsAString& aAdapterVendorID) {
+  AssertNotWin32kLockdown();
+
+  aAdapterVendorID = mAdapterVendorID[1 - mActiveGPUIndex];
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterDeviceID(nsAString& aAdapterDeviceID) {
+  AssertNotWin32kLockdown();
+
+  aAdapterDeviceID = mAdapterDeviceID[mActiveGPUIndex];
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterDeviceID2(nsAString& aAdapterDeviceID) {
+  AssertNotWin32kLockdown();
+
+  aAdapterDeviceID = mAdapterDeviceID[1 - mActiveGPUIndex];
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterSubsysID(nsAString& aAdapterSubsysID) {
+  AssertNotWin32kLockdown();
+
+  aAdapterSubsysID = mAdapterSubsysID[mActiveGPUIndex];
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterSubsysID2(nsAString& aAdapterSubsysID) {
+  AssertNotWin32kLockdown();
+
+  aAdapterSubsysID = mAdapterSubsysID[1 - mActiveGPUIndex];
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetIsGPU2Active(bool* aIsGPU2Active) {
+  // This is never the case, as the active GPU ends up being
+  // the first one.  It should probably be removed.
+  *aIsGPU2Active = false;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetDrmRenderDevice(nsACString& aDrmRenderDevice) {
+  return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+/* Cisco's VPN software can cause corruption of the floating point state.
+ * Make a note of this in our crash reports so that some weird crashes
+ * make more sense */
+static void CheckForCiscoVPN() {
+  LONG result;
+  HKEY key;
+  /* This will give false positives, but hopefully no false negatives */
+  result =
+      RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"Software\\Cisco Systems\\VPN Client",
+                    0, KEY_QUERY_VALUE, &key);
+  if (result == ERROR_SUCCESS) {
+    RegCloseKey(key);
+    CrashReporter::AppendAppNotesToCrashReport("Cisco VPN\n"_ns);
+  }
+}
+
+void GfxInfo::AddCrashReportAnnotations() {
+  AssertNotWin32kLockdown();
+
+  CheckForCiscoVPN();
+
+  if (mHasDriverVersionMismatch) {
+    CrashReporter::AppendAppNotesToCrashReport("DriverVersionMismatch\n"_ns);
+  }
+
+  nsString deviceID, vendorID, driverVersion, subsysID;
+  nsCString narrowDeviceID, narrowVendorID, narrowDriverVersion, narrowSubsysID;
+
+  GetAdapterDeviceID(deviceID);
+  CopyUTF16toUTF8(deviceID, narrowDeviceID);
+  GetAdapterVendorID(vendorID);
+  CopyUTF16toUTF8(vendorID, narrowVendorID);
+  GetAdapterDriverVersion(driverVersion);
+  CopyUTF16toUTF8(driverVersion, narrowDriverVersion);
+  GetAdapterSubsysID(subsysID);
+  CopyUTF16toUTF8(subsysID, narrowSubsysID);
+
+  CrashReporter::AnnotateCrashReport(CrashReporter::Annotation::AdapterVendorID,
+                                     narrowVendorID);
+  CrashReporter::AnnotateCrashReport(CrashReporter::Annotation::AdapterDeviceID,
+                                     narrowDeviceID);
+  CrashReporter::AnnotateCrashReport(
+      CrashReporter::Annotation::AdapterDriverVersion, narrowDriverVersion);
+  CrashReporter::AnnotateCrashReport(CrashReporter::Annotation::AdapterSubsysID,
+                                     narrowSubsysID);
+
+  /* Add an App Note, this contains extra information. */
+  nsAutoCString note;
+
+  // TODO: We should probably convert this into a proper annotation
+  if (vendorID == GfxDriverInfo::GetDeviceVendor(DeviceVendor::All)) {
+    /* if we didn't find a valid vendorID lets append the mDeviceID string to
+     * try to find out why */
+    LossyAppendUTF16toASCII(mDeviceID[mActiveGPUIndex], note);
+    note.AppendLiteral(", ");
+    LossyAppendUTF16toASCII(mDeviceKeyDebug, note);
+  }
+  note.AppendLiteral("\n");
+
+  if (mHasDualGPU) {
+    nsString deviceID2, vendorID2, subsysID2;
+    nsAutoString adapterDriverVersionString2;
+    nsCString narrowDeviceID2, narrowVendorID2, narrowSubsysID2;
+
+    // Make a slight difference between the two cases so that we
+    // can see it in the crash reports.  It may come in handy.
+    if (mActiveGPUIndex == 1) {
+      note.AppendLiteral("Has dual GPUs. GPU-#2: ");
+    } else {
+      note.AppendLiteral("Has dual GPUs. GPU #2: ");
+    }
+    GetAdapterDeviceID2(deviceID2);
+    CopyUTF16toUTF8(deviceID2, narrowDeviceID2);
+    GetAdapterVendorID2(vendorID2);
+    CopyUTF16toUTF8(vendorID2, narrowVendorID2);
+    GetAdapterDriverVersion2(adapterDriverVersionString2);
+    GetAdapterSubsysID(subsysID2);
+    CopyUTF16toUTF8(subsysID2, narrowSubsysID2);
+    note.AppendLiteral("AdapterVendorID2: ");
+    note.Append(narrowVendorID2);
+    note.AppendLiteral(", AdapterDeviceID2: ");
+    note.Append(narrowDeviceID2);
+    note.AppendLiteral(", AdapterSubsysID2: ");
+    note.Append(narrowSubsysID2);
+    note.AppendLiteral(", AdapterDriverVersion2: ");
+    note.Append(NS_LossyConvertUTF16toASCII(adapterDriverVersionString2));
+  }
+  CrashReporter::AppendAppNotesToCrashReport(note);
+}
+
+static OperatingSystem WindowsVersionToOperatingSystem(
+    int32_t aWindowsVersion) {
+  switch (aWindowsVersion) {
+    case kWindows7:
+      return OperatingSystem::Windows7;
+    case kWindows8:
+      return OperatingSystem::Windows8;
+    case kWindows8_1:
+      return OperatingSystem::Windows8_1;
+    case kWindows10:
+      return OperatingSystem::Windows10;
+    case kWindowsUnknown:
+    default:
+      return OperatingSystem::Unknown;
+  }
+}
+
+static bool OnlyAllowFeatureOnWhitelistedVendor(int32_t aFeature) {
+  switch (aFeature) {
+    // The GPU process doesn't need hardware acceleration and can run on
+    // devices that we normally block from not being on our whitelist.
+    case nsIGfxInfo::FEATURE_GPU_PROCESS:
+    // We can mostly assume that ANGLE will work
+    case nsIGfxInfo::FEATURE_DIRECT3D_11_ANGLE:
+    // Remote WebGL is needed for Win32k Lockdown, so it should be enabled
+    // regardless of HW support or not
+    case nsIGfxInfo::FEATURE_ALLOW_WEBGL_OUT_OF_PROCESS:
+    // Backdrop filter should generally work, especially if we fall back to
+    // Software WebRender because of an unknown vendor.
+    case nsIGfxInfo::FEATURE_BACKDROP_FILTER:
+      return false;
+    default:
+      return true;
+  }
+}
+
+// Return true if the CPU supports AVX, but the operating system does not.
+#if defined(_M_X64)
+static inline bool DetectBrokenAVX() {
+  int regs[4];
+  __cpuid(regs, 0);
+  if (regs[0] == 0) {
+    // Level not supported.
+    return false;
+  }
+
+  __cpuid(regs, 1);
+
+  const unsigned AVX = 1u << 28;
+  const unsigned XSAVE = 1u << 26;
+  if ((regs[2] & (AVX | XSAVE)) != (AVX | XSAVE)) {
+    // AVX is not supported on this CPU.
+    return false;
+  }
+
+  const unsigned OSXSAVE = 1u << 27;
+  if ((regs[2] & OSXSAVE) != OSXSAVE) {
+    // AVX is supported, but the OS didn't enable it.
+    // This can be forced via bcdedit /set xsavedisable 1.
+    return true;
+  }
+
+  const unsigned AVX_CTRL_BITS = (1 << 1) | (1 << 2);
+  return (xgetbv(0) & AVX_CTRL_BITS) != AVX_CTRL_BITS;
+}
+#endif
+
+const nsTArray<GfxDriverInfo>& GfxInfo::GetGfxDriverInfo() {
+  if (!sDriverInfo->Length()) {
+    /*
+     * It should be noted here that more specialized rules on certain features
+     * should be inserted -before- more generalized restriction. As the first
+     * match for feature/OS/device found in the list will be used for the final
+     * blocklisting call.
+     */
+
+    /*
+     * NVIDIA entries
+     */
+    /*
+     * The last 5 digit of the NVIDIA driver version maps to the version that
+     * NVIDIA uses. The minor version (15, 16, 17) corresponds roughtly to the
+     * OS (Vista, Win7, Win7) but they show up in smaller numbers across all
+     * OS versions (perhaps due to OS upgrades). So we want to support
+     * October 2009+ drivers across all these minor versions.
+     *
+     * 187.45 (late October 2009) and earlier contain a bug which can cause us
+     * to crash on shutdown.
+     */
+    APPEND_TO_DRIVER_BLOCKLIST(
+        OperatingSystem::Windows7, DeviceFamily::NvidiaAll,
+        GfxDriverInfo::allFeatures, nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,
+        DRIVER_LESS_THAN_OR_EQUAL, V(8, 15, 11, 8745),
+        "FEATURE_FAILURE_NV_W7_15", "nVidia driver > 187.45");
+    APPEND_TO_DRIVER_BLOCKLIST_RANGE(
+        OperatingSystem::Windows7, DeviceFamily::NvidiaAll,
+        GfxDriverInfo::allFeatures, nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,
+        DRIVER_BETWEEN_INCLUSIVE_START, V(8, 16, 10, 0000), V(8, 16, 11, 8745),
+        "FEATURE_FAILURE_NV_W7_16", "nVidia driver > 187.45");
+    // Telemetry doesn't show any driver in this range so it might not even be
+    // required.
+    APPEND_TO_DRIVER_BLOCKLIST_RANGE(
+        OperatingSystem::Windows7, DeviceFamily::NvidiaAll,
+        GfxDriverInfo::allFeatures, nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,
+        DRIVER_BETWEEN_INCLUSIVE_START, V(8, 17, 10, 0000), V(8, 17, 11, 8745),
+        "FEATURE_FAILURE_NV_W7_17", "nVidia driver > 187.45");
+
+    /*
+     * AMD/ATI entries. 8.56.1.15 is the driver that shipped with Windows 7 RTM
+     */
+    APPEND_TO_DRIVER_BLOCKLIST(
+        OperatingSystem::Windows, DeviceFamily::AtiAll,
+        GfxDriverInfo::allFeatures, nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,
+        DRIVER_LESS_THAN, V(8, 56, 1, 15), "FEATURE_FAILURE_AMD1", "8.56.1.15");
+
+    // Bug 1099252
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows7, DeviceFamily::AtiAll,
+        GfxDriverInfo::allFeatures, nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,
+        DRIVER_EQUAL, V(8, 832, 0, 0), "FEATURE_FAILURE_BUG_1099252");
+
+    // Bug 1118695
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows7, DeviceFamily::AtiAll,
+        GfxDriverInfo::allFeatures, nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,
+        DRIVER_EQUAL, V(8, 783, 2, 2000), "FEATURE_FAILURE_BUG_1118695");
+
+    // Bug 1587155
+    //
+    // There are a several reports of strange rendering corruptions with this
+    // driver version, with and without webrender. We weren't able to
+    // reproduce these problems, but the users were able to update their
+    // drivers and it went away. So just to be safe, let's blocklist all
+    // gpu use with this particular (very old) driver, restricted
+    // to Win10 since we only have reports from that platform.
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows10, DeviceFamily::AtiAll,
+        GfxDriverInfo::allFeatures, nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,
+        DRIVER_EQUAL, V(22, 19, 162, 4), "FEATURE_FAILURE_BUG_1587155");
+
+    // Bug 1829487 - Work around a gen6 driver bug that miscompiles shaders
+    // resulting
+    //               in black squares. Disabling shader optimization pass
+    //               appears to work around this for now.
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows, DeviceFamily::IntelSandyBridge,
+        nsIGfxInfo::FEATURE_WEBRENDER_OPTIMIZED_SHADERS,
+        nsIGfxInfo::FEATURE_BLOCKED_DEVICE, DRIVER_LESS_THAN,
+        GfxDriverInfo::allDriverVersions, "FEATURE_FAILURE_BUG_1829487");
+
+    // Bug 1198815
+    APPEND_TO_DRIVER_BLOCKLIST_RANGE(
+        OperatingSystem::Windows, DeviceFamily::AtiAll,
+        nsIGfxInfo::FEATURE_HARDWARE_VIDEO_DECODING,
+        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_BETWEEN_INCLUSIVE,
+        V(15, 200, 0, 0), V(15, 200, 1062, 1004), "FEATURE_FAILURE_BUG_1198815",
+        "15.200.0.0-15.200.1062.1004");
+
+    // Bug 1267970
+    APPEND_TO_DRIVER_BLOCKLIST_RANGE(
+        OperatingSystem::Windows10, DeviceFamily::AtiAll,
+        nsIGfxInfo::FEATURE_HARDWARE_VIDEO_DECODING,
+        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_BETWEEN_INCLUSIVE,
+        V(15, 200, 0, 0), V(15, 301, 2301, 1002), "FEATURE_FAILURE_BUG_1267970",
+        "15.200.0.0-15.301.2301.1002");
+    APPEND_TO_DRIVER_BLOCKLIST_RANGE(
+        OperatingSystem::Windows10, DeviceFamily::AtiAll,
+        nsIGfxInfo::FEATURE_HARDWARE_VIDEO_DECODING,
+        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_BETWEEN_INCLUSIVE,
+        V(16, 100, 0, 0), V(16, 300, 2311, 0), "FEATURE_FAILURE_BUG_1267970",
+        "16.100.0.0-16.300.2311.0");
+
+    /*
+     * Bug 783517 - crashes in AMD driver on Windows 8
+     */
+    APPEND_TO_DRIVER_BLOCKLIST_RANGE(
+        OperatingSystem::Windows8, DeviceFamily::AtiAll,
+        GfxDriverInfo::allFeatures, nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,
+        DRIVER_BETWEEN_INCLUSIVE_START, V(8, 982, 0, 0), V(8, 983, 0, 0),
+        "FEATURE_FAILURE_BUG_783517_AMD", "!= 8.982.*.*");
+
+    /*
+     *  Bug 1599981 - crashes in AMD driver on Windows 10
+     */
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows10, DeviceFamily::RadeonCaicos,
+        nsIGfxInfo::FEATURE_DIRECT3D_11_LAYERS,
+        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_LESS_THAN,
+        V(15, 301, 1901, 0), "FEATURE_FAILURE_BUG_1599981");
+
+    /* OpenGL on any ATI/AMD hardware is discouraged
+     * See:
+     *  bug 619773 - WebGL: Crash with blue screen : "NMI: Parity Check / Memory
+     * Parity Error" bugs 584403, 584404, 620924 - crashes in atioglxx
+     *  + many complaints about incorrect rendering
+     */
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows, DeviceFamily::AtiAll,
+        nsIGfxInfo::FEATURE_OPENGL_LAYERS, nsIGfxInfo::FEATURE_DISCOURAGED,
+        DRIVER_LESS_THAN, GfxDriverInfo::allDriverVersions,
+        "FEATURE_FAILURE_OGL_ATI_DIS");
+
+/*
+ * Intel entries
+ */
+
+/* The driver versions used here come from bug 594877. They might not
+ * be particularly relevant anymore.
+ */
+#define IMPLEMENT_INTEL_DRIVER_BLOCKLIST(winVer, devFamily, driverVer, ruleId) \
+  APPEND_TO_DRIVER_BLOCKLIST2(winVer, devFamily, GfxDriverInfo::allFeatures,   \
+                              nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,      \
+                              DRIVER_LESS_THAN, driverVer, ruleId)
+
+#define IMPLEMENT_INTEL_DRIVER_BLOCKLIST_D2D(winVer, devFamily, driverVer,     \
+                                             ruleId)                           \
+  APPEND_TO_DRIVER_BLOCKLIST2(winVer, devFamily, nsIGfxInfo::FEATURE_DIRECT2D, \
+                              nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,      \
+                              DRIVER_BUILD_ID_LESS_THAN, driverVer, ruleId)
+
+    IMPLEMENT_INTEL_DRIVER_BLOCKLIST_D2D(OperatingSystem::Windows7,
+                                         DeviceFamily::IntelGMA500, 2026,
+                                         "FEATURE_FAILURE_594877_7");
+    IMPLEMENT_INTEL_DRIVER_BLOCKLIST_D2D(
+        OperatingSystem::Windows7, DeviceFamily::IntelGMA900,
+        GfxDriverInfo::allDriverVersions, "FEATURE_FAILURE_594877_8");
+    IMPLEMENT_INTEL_DRIVER_BLOCKLIST_D2D(OperatingSystem::Windows7,
+                                         DeviceFamily::IntelGMA950, 1930,
+                                         "FEATURE_FAILURE_594877_9");
+    IMPLEMENT_INTEL_DRIVER_BLOCKLIST_D2D(OperatingSystem::Windows7,
+                                         DeviceFamily::IntelGMA3150, 2117,
+                                         "FEATURE_FAILURE_594877_10");
+    IMPLEMENT_INTEL_DRIVER_BLOCKLIST_D2D(OperatingSystem::Windows7,
+                                         DeviceFamily::IntelGMAX3000, 1930,
+                                         "FEATURE_FAILURE_594877_11");
+    IMPLEMENT_INTEL_DRIVER_BLOCKLIST_D2D(
+        OperatingSystem::Windows7, DeviceFamily::IntelHDGraphicsToSandyBridge,
+        2202, "FEATURE_FAILURE_594877_12");
+
+    /* Disable Direct2D on Intel GMAX4500 devices because of rendering
+     * corruption discovered in bug 1180379. These seems to affect even the most
+     * recent drivers. We're black listing all of the devices to be safe even
+     * though we've only confirmed the issue on the G45
+     */
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows, DeviceFamily::IntelGMAX4500HD,
+        nsIGfxInfo::FEATURE_DIRECT2D, nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
+        DRIVER_LESS_THAN, GfxDriverInfo::allDriverVersions,
+        "FEATURE_FAILURE_1180379");
+
+    IMPLEMENT_INTEL_DRIVER_BLOCKLIST(
+        OperatingSystem::Windows7, DeviceFamily::IntelGMA500, V(5, 0, 0, 2026),
+        "FEATURE_FAILURE_INTEL_16");
+    IMPLEMENT_INTEL_DRIVER_BLOCKLIST(
+        OperatingSystem::Windows7, DeviceFamily::IntelGMA900,
+        GfxDriverInfo::allDriverVersions, "FEATURE_FAILURE_INTEL_17");
+    IMPLEMENT_INTEL_DRIVER_BLOCKLIST(
+        OperatingSystem::Windows7, DeviceFamily::IntelGMA950,
+        V(8, 15, 10, 1930), "FEATURE_FAILURE_INTEL_18");
+    IMPLEMENT_INTEL_DRIVER_BLOCKLIST(
+        OperatingSystem::Windows7, DeviceFamily::IntelGMA3150,
+        V(8, 14, 10, 1972), "FEATURE_FAILURE_INTEL_19");
+    IMPLEMENT_INTEL_DRIVER_BLOCKLIST(
+        OperatingSystem::Windows7, DeviceFamily::IntelGMAX3000,
+        V(7, 15, 10, 1666), "FEATURE_FAILURE_INTEL_20");
+    IMPLEMENT_INTEL_DRIVER_BLOCKLIST(
+        OperatingSystem::Windows7, DeviceFamily::IntelGMAX4500HD,
+        V(7, 15, 10, 1666), "FEATURE_FAILURE_INTEL_21");
+    IMPLEMENT_INTEL_DRIVER_BLOCKLIST(
+        OperatingSystem::Windows7, DeviceFamily::IntelHDGraphicsToSandyBridge,
+        V(7, 15, 10, 1666), "FEATURE_FAILURE_INTEL_22");
+
+    // Bug 1074378
+    APPEND_TO_DRIVER_BLOCKLIST(
+        OperatingSystem::Windows7, DeviceFamily::IntelGMAX4500HD,
+        GfxDriverInfo::allFeatures, nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,
+        DRIVER_EQUAL, V(8, 15, 10, 1749), "FEATURE_FAILURE_BUG_1074378_1",
+        "8.15.10.2342");
+    APPEND_TO_DRIVER_BLOCKLIST(
+        OperatingSystem::Windows7, DeviceFamily::IntelHDGraphicsToSandyBridge,
+        GfxDriverInfo::allFeatures, nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,
+        DRIVER_EQUAL, V(8, 15, 10, 1749), "FEATURE_FAILURE_BUG_1074378_2",
+        "8.15.10.2342");
+
+    /* OpenGL on any Intel hardware is discouraged */
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows, DeviceFamily::IntelAll,
+        nsIGfxInfo::FEATURE_OPENGL_LAYERS, nsIGfxInfo::FEATURE_DISCOURAGED,
+        DRIVER_LESS_THAN, GfxDriverInfo::allDriverVersions,
+        "FEATURE_FAILURE_INTEL_OGL_DIS");
+
+    /**
+     * Disable acceleration on Intel HD 3000 for graphics drivers
+     * <= 8.15.10.2321. See bug 1018278 and bug 1060736.
+     */
+    APPEND_TO_DRIVER_BLOCKLIST(
+        OperatingSystem::Windows, DeviceFamily::IntelSandyBridge,
+        GfxDriverInfo::allFeatures, nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,
+        DRIVER_BUILD_ID_LESS_THAN_OR_EQUAL, 2321, "FEATURE_FAILURE_BUG_1018278",
+        "X.X.X.2342");
+
+    /**
+     * Disable D2D on Win7 on Intel Haswell for graphics drivers build id <=
+     * 4578. See bug 1432610
+     */
+    APPEND_TO_DRIVER_BLOCKLIST2(OperatingSystem::Windows7,
+                                DeviceFamily::IntelHaswell,
+                                nsIGfxInfo::FEATURE_DIRECT2D,
+                                nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,
+                                DRIVER_BUILD_ID_LESS_THAN_OR_EQUAL, 4578,
+                                "FEATURE_FAILURE_BUG_1432610");
+    /**
+     * Disable VP8 HW decoding on Windows 8.1 on Intel Haswel and a certain
+     * driver version. See bug 1760464 comment 6 and bug 1761332.
+     */
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows8_1, DeviceFamily::IntelHaswell,
+        nsIGfxInfo::FEATURE_VP8_HW_DECODE, nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
+        DRIVER_LESS_THAN, GfxDriverInfo::allDriverVersions,
+        "FEATURE_FAILURE_BUG_1760464");
+
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows8_1, DeviceFamily::IntelAll,
+        nsIGfxInfo::FEATURE_VP8_HW_DECODE, nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
+        DRIVER_EQUAL, V(10, 18, 14, 4264), "FEATURE_FAILURE_BUG_1761332");
+
+    /* Disable D2D on Win7 on Intel HD Graphics on driver <= 8.15.10.2302
+     * See bug 806786
+     */
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows7, DeviceFamily::IntelMobileHDGraphics,
+        nsIGfxInfo::FEATURE_DIRECT2D,
+        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_LESS_THAN_OR_EQUAL,
+        V(8, 15, 10, 2302), "FEATURE_FAILURE_BUG_806786");
+
+    /* Disable D2D on Win8 on Intel HD Graphics on driver <= 8.15.10.2302
+     * See bug 804144 and 863683
+     */
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows8, DeviceFamily::IntelMobileHDGraphics,
+        nsIGfxInfo::FEATURE_DIRECT2D,
+        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_LESS_THAN_OR_EQUAL,
+        V(8, 15, 10, 2302), "FEATURE_FAILURE_BUG_804144");
+
+    /* Disable D2D on Win7 on Intel HD Graphics on driver == 8.15.10.2418
+     * See bug 1433790
+     */
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows7, DeviceFamily::IntelHDGraphicsToSandyBridge,
+        nsIGfxInfo::FEATURE_DIRECT2D,
+        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_EQUAL,
+        V(8, 15, 10, 2418), "FEATURE_FAILURE_BUG_1433790");
+
+    /* Disable D3D11 layers on Intel G41 express graphics and Intel GM965, Intel
+     * X3100, for causing device resets. See bug 1116812.
+     */
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows, DeviceFamily::Bug1116812,
+        nsIGfxInfo::FEATURE_DIRECT3D_11_LAYERS,
+        nsIGfxInfo::FEATURE_BLOCKED_DEVICE, DRIVER_LESS_THAN,
+        GfxDriverInfo::allDriverVersions, "FEATURE_FAILURE_BUG_1116812");
+
+    /* Disable D3D11 layers on Intel GMA 3150 for failing to allocate a shared
+     * handle for textures. See bug 1207665. Additionally block D2D so we don't
+     * accidentally use WARP.
+     */
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows, DeviceFamily::Bug1207665,
+        nsIGfxInfo::FEATURE_DIRECT3D_11_LAYERS,
+        nsIGfxInfo::FEATURE_BLOCKED_DEVICE, DRIVER_LESS_THAN,
+        GfxDriverInfo::allDriverVersions, "FEATURE_FAILURE_BUG_1207665_1");
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows, DeviceFamily::Bug1207665,
+        nsIGfxInfo::FEATURE_DIRECT2D, nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
+        DRIVER_LESS_THAN, GfxDriverInfo::allDriverVersions,
+        "FEATURE_FAILURE_BUG_1207665_2");
+
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows10, DeviceFamily::QualcommAll,
+        nsIGfxInfo::FEATURE_DIRECT2D,
+        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_LESS_THAN,
+        GfxDriverInfo::allDriverVersions, "FEATURE_FAILURE_QUALCOMM");
+
+    // Bug 1548410. Disable hardware accelerated video decoding on
+    // Qualcomm drivers used on Windows on ARM64 which are known to
+    // cause BSOD's and output suprious green frames while decoding video.
+    // Bug 1592826 expands the blocklist.
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows10, DeviceFamily::QualcommAll,
+        nsIGfxInfo::FEATURE_HARDWARE_VIDEO_DECODING,
+        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_LESS_THAN_OR_EQUAL,
+        V(25, 18, 10440, 0), "FEATURE_FAILURE_BUG_1592826");
+
+    /* Disable D2D on AMD Catalyst 14.4 until 14.6
+     * See bug 984488
+     */
+    APPEND_TO_DRIVER_BLOCKLIST_RANGE(
+        OperatingSystem::Windows, DeviceFamily::AtiAll,
+        nsIGfxInfo::FEATURE_DIRECT2D,
+        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,
+        DRIVER_BETWEEN_INCLUSIVE_START, V(14, 1, 0, 0), V(14, 2, 0, 0),
+        "FEATURE_FAILURE_BUG_984488_1", "ATI Catalyst 14.6+");
+
+    /* Disable D3D9 layers on NVIDIA 6100/6150/6200 series due to glitches
+     * whilst scrolling. See bugs: 612007, 644787 & 645872.
+     */
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows, DeviceFamily::NvidiaBlockD3D9Layers,
+        nsIGfxInfo::FEATURE_DIRECT3D_9_LAYERS,
+        nsIGfxInfo::FEATURE_BLOCKED_DEVICE, DRIVER_LESS_THAN,
+        GfxDriverInfo::allDriverVersions, "FEATURE_FAILURE_BUG_612007");
+
+    /* Microsoft RemoteFX; blocked less than 6.2.0.0 */
+    APPEND_TO_DRIVER_BLOCKLIST(
+        OperatingSystem::Windows, DeviceFamily::MicrosoftAll,
+        GfxDriverInfo::allFeatures, nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,
+        DRIVER_LESS_THAN, V(6, 2, 0, 0), "< 6.2.0.0",
+        "FEATURE_FAILURE_REMOTE_FX");
+
+    /* Bug 1008759: Optimus (NVidia) crash.  Disable D2D on NV 310M. */
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows, DeviceFamily::Nvidia310M,
+        nsIGfxInfo::FEATURE_DIRECT2D, nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
+        DRIVER_LESS_THAN, GfxDriverInfo::allDriverVersions,
+        "FEATURE_FAILURE_BUG_1008759");
+
+    /* Bug 1139503: DXVA crashes with ATI cards on windows 10. */
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows10, DeviceFamily::AtiAll,
+        nsIGfxInfo::FEATURE_HARDWARE_VIDEO_DECODING,
+        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_EQUAL,
+        V(15, 200, 1006, 0), "FEATURE_FAILURE_BUG_1139503");
+
+    /* Bug 1213107: D3D9 crashes with ATI cards on Windows 7. */
+    APPEND_TO_DRIVER_BLOCKLIST_RANGE(
+        OperatingSystem::Windows7, DeviceFamily::AtiAll,
+        nsIGfxInfo::FEATURE_HARDWARE_VIDEO_DECODING,
+        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_BETWEEN_INCLUSIVE,
+        V(8, 861, 0, 0), V(8, 862, 6, 5000), "FEATURE_FAILURE_BUG_1213107_1",
+        "Radeon driver > 8.862.6.5000");
+    APPEND_TO_DRIVER_BLOCKLIST_RANGE(
+        OperatingSystem::Windows7, DeviceFamily::AtiAll,
+        nsIGfxInfo::FEATURE_WEBGL_ANGLE,
+        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_BETWEEN_INCLUSIVE,
+        V(8, 861, 0, 0), V(8, 862, 6, 5000), "FEATURE_FAILURE_BUG_1213107_2",
+        "Radeon driver > 8.862.6.5000");
+
+    /* This may not be needed at all */
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows7, DeviceFamily::Bug1155608,
+        nsIGfxInfo::FEATURE_HARDWARE_VIDEO_DECODING,
+        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_LESS_THAN,
+        V(8, 15, 10, 2869), "FEATURE_FAILURE_INTEL_W7_HW_DECODING");
+
+    /* Bug 1203199/1092166: DXVA startup crashes on some intel drivers. */
+    APPEND_TO_DRIVER_BLOCKLIST_RANGE(
+        OperatingSystem::Windows, DeviceFamily::IntelAll,
+        nsIGfxInfo::FEATURE_HARDWARE_VIDEO_DECODING,
+        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_BETWEEN_INCLUSIVE,
+        V(9, 17, 10, 0), V(9, 17, 10, 2849), "FEATURE_FAILURE_BUG_1203199_1",
+        "Intel driver > 9.17.10.2849");
+
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows, DeviceFamily::Nvidia8800GTS,
+        nsIGfxInfo::FEATURE_HARDWARE_VIDEO_DECODING,
+        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_EQUAL,
+        V(9, 18, 13, 4052), "FEATURE_FAILURE_BUG_1203199_2");
+
+    /* Bug 1137716: XXX this should really check for the matching Intel piece as
+     * well. Unfortunately, we don't have the infrastructure to do that */
+    APPEND_TO_DRIVER_BLOCKLIST_RANGE_GPU2(
+        OperatingSystem::Windows7, DeviceFamily::Bug1137716,
+        GfxDriverInfo::allFeatures, nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,
+        DRIVER_BETWEEN_INCLUSIVE, V(8, 17, 12, 5730), V(8, 17, 12, 6901),
+        "FEATURE_FAILURE_BUG_1137716", "Nvidia driver > 8.17.12.6901");
+
+    /* Bug 1336710: Crash in rx::Blit9::initialize. */
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::WindowsXP, DeviceFamily::IntelGMAX4500HD,
+        nsIGfxInfo::FEATURE_WEBGL_ANGLE, nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
+        DRIVER_LESS_THAN, GfxDriverInfo::allDriverVersions,
+        "FEATURE_FAILURE_BUG_1336710");
+
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::WindowsXP, DeviceFamily::IntelHDGraphicsToSandyBridge,
+        nsIGfxInfo::FEATURE_WEBGL_ANGLE, nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
+        DRIVER_LESS_THAN, GfxDriverInfo::allDriverVersions,
+        "FEATURE_FAILURE_BUG_1336710");
+
+    /* Bug 1304360: Graphical artifacts with D3D9 on Windows 7. */
+    APPEND_TO_DRIVER_BLOCKLIST2(OperatingSystem::Windows7,
+                                DeviceFamily::IntelGMAX3000,
+                                nsIGfxInfo::FEATURE_DIRECT3D_9_LAYERS,
+                                nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,
+                                DRIVER_BUILD_ID_LESS_THAN_OR_EQUAL, 1749,
+                                "FEATURE_FAILURE_INTEL_W7_D3D9_LAYERS");
+
+    /* Bug 1717519/1717911: Crashes while drawing with swgl.
+     * Reproducible but not investigated yet.*/
+    APPEND_TO_DRIVER_BLOCKLIST_RANGE(
+        OperatingSystem::Windows, DeviceFamily::IntelAll,
+        nsIGfxInfo::FEATURE_DIRECT3D_11_LAYERS,
+        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_BETWEEN_INCLUSIVE,
+        V(8, 15, 10, 2125), V(8, 15, 10, 2141), "FEATURE_FAILURE_BUG_1717911",
+        "Intel driver > 8.15.10.2141");
+
+#if defined(_M_X64)
+    if (DetectBrokenAVX()) {
+      APPEND_TO_DRIVER_BLOCKLIST2(
+          OperatingSystem::Windows7, DeviceFamily::IntelAll,
+          nsIGfxInfo::FEATURE_DIRECT3D_11_LAYERS,
+          nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_LESS_THAN,
+          GfxDriverInfo::allDriverVersions, "FEATURE_FAILURE_BUG_1403353");
+    }
+#endif
+
+    ////////////////////////////////////
+    // WebGL
+
+    // Older than 5-15-2016
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows, DeviceFamily::AtiAll,
+        nsIGfxInfo::FEATURE_WEBGL_OPENGL, nsIGfxInfo::FEATURE_DISCOURAGED,
+        DRIVER_LESS_THAN, V(16, 200, 1010, 1002), "WEBGL_NATIVE_GL_OLD_AMD");
+
+    // Older than 11-18-2015
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows, DeviceFamily::IntelAll,
+        nsIGfxInfo::FEATURE_WEBGL_OPENGL, nsIGfxInfo::FEATURE_DISCOURAGED,
+        DRIVER_BUILD_ID_LESS_THAN, 4331, "WEBGL_NATIVE_GL_OLD_INTEL");
+
+    // Older than 2-23-2016
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows, DeviceFamily::NvidiaAll,
+        nsIGfxInfo::FEATURE_WEBGL_OPENGL, nsIGfxInfo::FEATURE_DISCOURAGED,
+        DRIVER_LESS_THAN, V(10, 18, 13, 6200), "WEBGL_NATIVE_GL_OLD_NVIDIA");
+
+    ////////////////////////////////////
+    // FEATURE_DX_INTEROP2
+
+    // All AMD.
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows, DeviceFamily::AtiAll,
+        nsIGfxInfo::FEATURE_DX_INTEROP2,
+        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_LESS_THAN,
+        GfxDriverInfo::allDriverVersions, "DX_INTEROP2_AMD_CRASH");
+
+    ////////////////////////////////////
+    // FEATURE_D3D11_KEYED_MUTEX
+
+    // bug 1359416
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows, DeviceFamily::IntelHDGraphicsToSandyBridge,
+        nsIGfxInfo::FEATURE_D3D11_KEYED_MUTEX,
+        nsIGfxInfo::FEATURE_BLOCKED_DEVICE, DRIVER_LESS_THAN,
+        GfxDriverInfo::allDriverVersions, "FEATURE_FAILURE_BUG_1359416");
+
+    // Bug 1447141, for causing device creation crashes.
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows7, DeviceFamily::Bug1447141,
+        GfxDriverInfo::allFeatures, nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
+        DRIVER_EQUAL, V(15, 201, 2201, 0), "FEATURE_FAILURE_BUG_1447141_1");
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows7, DeviceFamily::Bug1447141,
+        GfxDriverInfo::allFeatures, nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
+        DRIVER_EQUAL, V(15, 201, 1701, 0), "FEATURE_FAILURE_BUG_1447141_1");
+
+    // bug 1457758
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows, DeviceFamily::NvidiaAll,
+        GfxDriverInfo::allFeatures, nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
+        DRIVER_EQUAL, V(24, 21, 13, 9731), "FEATURE_FAILURE_BUG_1457758");
+
+    ////////////////////////////////////
+    // FEATURE_DX_NV12
+
+    // Bug 1437334
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows, DeviceFamily::IntelHDGraphicsToSandyBridge,
+        nsIGfxInfo::FEATURE_DX_NV12, nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,
+        DRIVER_BUILD_ID_LESS_THAN_OR_EQUAL, 4459,
+        "FEATURE_BLOCKED_DRIVER_VERSION");
+
+    ////////////////////////////////////
+    // FEATURE_DX_P010
+
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows, DeviceFamily::NvidiaAll,
+        nsIGfxInfo::FEATURE_DX_P010, nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
+        DRIVER_LESS_THAN, GfxDriverInfo::allDriverVersions,
+        "FEATURE_UNQUALIFIED_P010_NVIDIA");
+
+    ////////////////////////////////////
+    // FEATURE_VIDEO_OVERLAY - ALLOWLIST
+#ifdef EARLY_BETA_OR_EARLIER
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows, DeviceFamily::All,
+        nsIGfxInfo::FEATURE_VIDEO_OVERLAY, nsIGfxInfo::FEATURE_ALLOW_ALWAYS,
+        DRIVER_COMPARISON_IGNORED, V(0, 0, 0, 0), "FEATURE_ROLLOUT_ALL");
+#else
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows, DeviceFamily::IntelAll,
+        nsIGfxInfo::FEATURE_VIDEO_OVERLAY, nsIGfxInfo::FEATURE_ALLOW_ALWAYS,
+        DRIVER_COMPARISON_IGNORED, V(0, 0, 0, 0), "FEATURE_ROLLOUT_INTEL");
+#endif
+
+    ////////////////////////////////////
+    // FEATURE_HW_DECODED_VIDEO_ZERO_COPY
+
+    APPEND_TO_DRIVER_BLOCKLIST_RANGE(
+        OperatingSystem::Windows10, DeviceFamily::IntelSkylake,
+        nsIGfxInfo::FEATURE_HW_DECODED_VIDEO_ZERO_COPY,
+        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_BETWEEN_INCLUSIVE,
+        V(20, 19, 15, 4285), V(20, 19, 15, 4390), "FEATURE_FAILURE_BUG_1763280",
+        "Intel driver 20.19.15.*");
+
+    APPEND_TO_DRIVER_BLOCKLIST_RANGE(
+        OperatingSystem::Windows10, DeviceFamily::IntelSkylake,
+        nsIGfxInfo::FEATURE_HW_DECODED_VIDEO_ZERO_COPY,
+        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_BETWEEN_INCLUSIVE,
+        V(10, 18, 15, 4256), V(10, 18, 15, 4293), "FEATURE_FAILURE_BUG_1763280",
+        "Intel driver 10.18.15.*");
+
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows, DeviceFamily::NvidiaAll,
+        nsIGfxInfo::FEATURE_HW_DECODED_VIDEO_ZERO_COPY,
+        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_LESS_THAN,
+        V(21, 21, 13, 7576), "FEATURE_FAILURE_BUG_1767212");
+
+    APPEND_TO_DRIVER_BLOCKLIST2(OperatingSystem::Windows, DeviceFamily::AtiAll,
+                                nsIGfxInfo::FEATURE_HW_DECODED_VIDEO_ZERO_COPY,
+                                nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,
+                                DRIVER_LESS_THAN, V(23, 20, 826, 5120),
+                                "FEATURE_FAILURE_BUG_1767212");
+
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows, DeviceFamily::RadeonBlockZeroVideoCopy,
+        nsIGfxInfo::FEATURE_HW_DECODED_VIDEO_ZERO_COPY,
+        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_LESS_THAN,
+        V(26, 20, 15000, 37), "FEATURE_FAILURE_BUG_1767212");
+
+    ////////////////////////////////////
+    // FEATURE_HW_DECODED_VIDEO_ZERO_COPY - ALLOWLIST
+
+    // XXX ZeroCopyNV12Texture is disabled with non-intel GPUs for now.
+    // See Bug 1798242
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows, DeviceFamily::IntelAll,
+        nsIGfxInfo::FEATURE_HW_DECODED_VIDEO_ZERO_COPY,
+        nsIGfxInfo::FEATURE_ALLOW_ALWAYS, DRIVER_COMPARISON_IGNORED,
+        V(0, 0, 0, 0), "FEATURE_ROLLOUT_ALL");
+
+    ////////////////////////////////////
+    // FEATURE_REUSE_DECODER_DEVICE
+
+    APPEND_TO_DRIVER_BLOCKLIST_RANGE(
+        OperatingSystem::Windows10, DeviceFamily::IntelSkylake,
+        nsIGfxInfo::FEATURE_REUSE_DECODER_DEVICE,
+        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_BETWEEN_INCLUSIVE,
+        V(20, 19, 15, 4285), V(20, 19, 15, 4390), "FEATURE_FAILURE_BUG_1833809",
+        "Intel driver 20.19.15.*");
+
+    APPEND_TO_DRIVER_BLOCKLIST_RANGE(
+        OperatingSystem::Windows10, DeviceFamily::IntelSkylake,
+        nsIGfxInfo::FEATURE_REUSE_DECODER_DEVICE,
+        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_BETWEEN_INCLUSIVE,
+        V(10, 18, 15, 4256), V(10, 18, 15, 4293), "FEATURE_FAILURE_BUG_1833809",
+        "Intel driver 10.18.15.*");
+
+    ////////////////////////////////////
+    // FEATURE_WEBRENDER
+    // Block 8.56.1.15/16
+    APPEND_TO_DRIVER_BLOCKLIST2(OperatingSystem::Windows, DeviceFamily::AtiAll,
+                                nsIGfxInfo::FEATURE_WEBRENDER,
+                                nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,
+                                DRIVER_LESS_THAN_OR_EQUAL, V(8, 56, 1, 16),
+                                "CRASHY_DRIVERS_BUG_1678808");
+
+    // Shader compilation startup crashes with WebRender on Windows 7.
+    APPEND_TO_DRIVER_BLOCKLIST_RANGE(
+        OperatingSystem::Windows7, DeviceFamily::NvidiaAll,
+        nsIGfxInfo::FEATURE_WEBRENDER,
+        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_BETWEEN_INCLUSIVE,
+        V(8, 17, 12, 8019), V(8, 17, 12, 8026), "FEATURE_FAILURE_BUG_1709629",
+        "nVidia driver > 280.26");
+
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows, DeviceFamily::IntelWebRenderBlocked,
+        nsIGfxInfo::FEATURE_WEBRENDER, nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
+        DRIVER_LESS_THAN, GfxDriverInfo::allDriverVersions,
+        "INTEL_DEVICE_GEN5_OR_OLDER");
+
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows, DeviceFamily::NvidiaWebRenderBlocked,
+        nsIGfxInfo::FEATURE_WEBRENDER, nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
+        DRIVER_LESS_THAN, GfxDriverInfo::allDriverVersions, "EARLY_NVIDIA");
+
+    ////////////////////////////////////
+    // FEATURE_WEBRENDER_COMPOSITOR
+
+#ifndef EARLY_BETA_OR_EARLIER
+    // See also bug 1616874
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows, DeviceFamily::IntelAll,
+        nsIGfxInfo::FEATURE_WEBRENDER_COMPOSITOR,
+        nsIGfxInfo::FEATURE_BLOCKED_DEVICE, DRIVER_EQUAL, V(24, 20, 100, 6293),
+        "FEATURE_FAILURE_BUG_1602511");
+
+    APPEND_TO_DRIVER_BLOCKLIST2(OperatingSystem::Windows, DeviceFamily::AtiAll,
+                                nsIGfxInfo::FEATURE_WEBRENDER_COMPOSITOR,
+                                nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
+                                DRIVER_LESS_THAN_OR_EQUAL, V(8, 17, 10, 1129),
+                                "FEATURE_FAILURE_CHROME_BUG_800950");
+#endif
+
+    // WebRender is unable to use scissored clears in some cases
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Windows, DeviceFamily::IntelAll,
+        nsIGfxInfo::FEATURE_WEBRENDER_SCISSORED_CACHE_CLEARS,
+        nsIGfxInfo::FEATURE_BLOCKED_DEVICE, DRIVER_COMPARISON_IGNORED,
+        V(0, 0, 0, 0), "FEATURE_FAILURE_BUG_1603515");
+
+    ////////////////////////////////////
+    // FEATURE_BACKDROP_FILTER
+
+    // Backdrop filter crashes the driver. See bug 1785366 and bug 1784093.
+    APPEND_TO_DRIVER_BLOCKLIST_RANGE(
+        OperatingSystem::Windows, DeviceFamily::IntelHDGraphicsToIvyBridge,
+        nsIGfxInfo::FEATURE_BACKDROP_FILTER,
+        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_BETWEEN_EXCLUSIVE,
+        V(8, 15, 10, 2879), V(10, 18, 10, 4425), "FEATURE_FAILURE_BUG_1785366",
+        "Intel driver >= 10.18.10.4425");
+  }
+  return *sDriverInfo;
+}
+
+OperatingSystem GfxInfo::GetOperatingSystem() {
+  return WindowsVersionToOperatingSystem(mWindowsVersion);
+}
+
+nsresult GfxInfo::GetFeatureStatusImpl(
+    int32_t aFeature, int32_t* aStatus, nsAString& aSuggestedDriverVersion,
+    const nsTArray<GfxDriverInfo>& aDriverInfo, nsACString& aFailureId,
+    OperatingSystem* aOS /* = nullptr */) {
+  AssertNotWin32kLockdown();
+
+  NS_ENSURE_ARG_POINTER(aStatus);
+  aSuggestedDriverVersion.SetIsVoid(true);
+  OperatingSystem os = WindowsVersionToOperatingSystem(mWindowsVersion);
+  *aStatus = nsIGfxInfo::FEATURE_STATUS_UNKNOWN;
+  if (aOS) *aOS = os;
+
+  if (sShutdownOccurred) {
+    return NS_OK;
+  }
+
+  // Don't evaluate special cases if we're checking the downloaded blocklist.
+  if (!aDriverInfo.Length()) {
+    nsAutoString adapterVendorID;
+    nsAutoString adapterDeviceID;
+    nsAutoString adapterDriverVersionString;
+    if (NS_FAILED(GetAdapterVendorID(adapterVendorID)) ||
+        NS_FAILED(GetAdapterDeviceID(adapterDeviceID)) ||
+        NS_FAILED(GetAdapterDriverVersion(adapterDriverVersionString))) {
+      aFailureId = "FEATURE_FAILURE_GET_ADAPTER";
+      *aStatus = FEATURE_BLOCKED_DEVICE;
+      return NS_OK;
+    }
+
+    if (OnlyAllowFeatureOnWhitelistedVendor(aFeature) &&
+        !adapterVendorID.Equals(
+            GfxDriverInfo::GetDeviceVendor(DeviceVendor::Intel),
+            nsCaseInsensitiveStringComparator) &&
+        !adapterVendorID.Equals(
+            GfxDriverInfo::GetDeviceVendor(DeviceVendor::NVIDIA),
+            nsCaseInsensitiveStringComparator) &&
+        !adapterVendorID.Equals(
+            GfxDriverInfo::GetDeviceVendor(DeviceVendor::ATI),
+            nsCaseInsensitiveStringComparator) &&
+        !adapterVendorID.Equals(
+            GfxDriverInfo::GetDeviceVendor(DeviceVendor::Microsoft),
+            nsCaseInsensitiveStringComparator) &&
+        !adapterVendorID.Equals(
+            GfxDriverInfo::GetDeviceVendor(DeviceVendor::Parallels),
+            nsCaseInsensitiveStringComparator) &&
+        !adapterVendorID.Equals(
+            GfxDriverInfo::GetDeviceVendor(DeviceVendor::Qualcomm),
+            nsCaseInsensitiveStringComparator) &&
+        // FIXME - these special hex values are currently used in xpcshell tests
+        // introduced by bug 625160 patch 8/8. Maybe these tests need to be
+        // adjusted now that we're only whitelisting intel/ati/nvidia.
+        !adapterVendorID.LowerCaseEqualsLiteral("0xabcd") &&
+        !adapterVendorID.LowerCaseEqualsLiteral("0xdcba") &&
+        !adapterVendorID.LowerCaseEqualsLiteral("0xabab") &&
+        !adapterVendorID.LowerCaseEqualsLiteral("0xdcdc")) {
+      if (adapterVendorID.Equals(
+              GfxDriverInfo::GetDeviceVendor(DeviceVendor::MicrosoftHyperV),
+              nsCaseInsensitiveStringComparator) ||
+          adapterVendorID.Equals(
+              GfxDriverInfo::GetDeviceVendor(DeviceVendor::VMWare),
+              nsCaseInsensitiveStringComparator) ||
+          adapterVendorID.Equals(
+              GfxDriverInfo::GetDeviceVendor(DeviceVendor::VirtualBox),
+              nsCaseInsensitiveStringComparator)) {
+        aFailureId = "FEATURE_FAILURE_VM_VENDOR";
+      } else if (adapterVendorID.Equals(GfxDriverInfo::GetDeviceVendor(
+                                            DeviceVendor::MicrosoftBasic),
+                                        nsCaseInsensitiveStringComparator)) {
+        aFailureId = "FEATURE_FAILURE_MICROSOFT_BASIC_VENDOR";
+      } else if (adapterVendorID.IsEmpty()) {
+        aFailureId = "FEATURE_FAILURE_EMPTY_DEVICE_VENDOR";
+      } else {
+        aFailureId = "FEATURE_FAILURE_UNKNOWN_DEVICE_VENDOR";
+      }
+      *aStatus = FEATURE_BLOCKED_DEVICE;
+      return NS_OK;
+    }
+
+    uint64_t driverVersion;
+    if (!ParseDriverVersion(adapterDriverVersionString, &driverVersion)) {
+      aFailureId = "FEATURE_FAILURE_PARSE_DRIVER";
+      *aStatus = FEATURE_BLOCKED_DRIVER_VERSION;
+      return NS_OK;
+    }
+  }
+
+  return GfxInfoBase::GetFeatureStatusImpl(
+      aFeature, aStatus, aSuggestedDriverVersion, aDriverInfo, aFailureId, &os);
+}
+
+void GfxInfo::DescribeFeatures(JSContext* aCx, JS::Handle<JSObject*> aObj) {
+  // Add the platform neutral features
+  GfxInfoBase::DescribeFeatures(aCx, aObj);
+
+  JS::Rooted<JSObject*> obj(aCx);
+
+  gfx::FeatureState& d3d11 = gfxConfig::GetFeature(Feature::D3D11_COMPOSITING);
+  if (!InitFeatureObject(aCx, aObj, "d3d11", d3d11, &obj)) {
+    return;
+  }
+  if (d3d11.GetValue() == gfx::FeatureStatus::Available) {
+    DeviceManagerDx* dm = DeviceManagerDx::Get();
+    JS::Rooted<JS::Value> val(aCx,
+                              JS::Int32Value(dm->GetCompositorFeatureLevel()));
+    JS_SetProperty(aCx, obj, "version", val);
+
+    val = JS::BooleanValue(dm->IsWARP());
+    JS_SetProperty(aCx, obj, "warp", val);
+
+    val = JS::BooleanValue(dm->TextureSharingWorks());
+    JS_SetProperty(aCx, obj, "textureSharing", val);
+
+    bool blocklisted = false;
+    if (nsCOMPtr<nsIGfxInfo> gfxInfo = components::GfxInfo::Service()) {
+      int32_t status;
+      nsCString discardFailureId;
+      if (SUCCEEDED(
+              gfxInfo->GetFeatureStatus(nsIGfxInfo::FEATURE_DIRECT3D_11_LAYERS,
+                                        discardFailureId, &status))) {
+        blocklisted = (status != nsIGfxInfo::FEATURE_STATUS_OK);
+      }
+    }
+
+    val = JS::BooleanValue(blocklisted);
+    JS_SetProperty(aCx, obj, "blocklisted", val);
+  }
+
+  gfx::FeatureState& d2d = gfxConfig::GetFeature(Feature::DIRECT2D);
+  if (!InitFeatureObject(aCx, aObj, "d2d", d2d, &obj)) {
+    return;
+  }
+  {
+    const char* version = "1.1";
+    JS::Rooted<JSString*> str(aCx, JS_NewStringCopyZ(aCx, version));
+    JS::Rooted<JS::Value> val(aCx, JS::StringValue(str));
+    JS_SetProperty(aCx, obj, "version", val);
+  }
+}
+
+#ifdef DEBUG
+
+// Implement nsIGfxInfoDebug
+
+NS_IMETHODIMP GfxInfo::SpoofVendorID(const nsAString& aVendorID) {
+  mAdapterVendorID[mActiveGPUIndex] = aVendorID;
+  return NS_OK;
+}
+
+NS_IMETHODIMP GfxInfo::SpoofDeviceID(const nsAString& aDeviceID) {
+  mAdapterDeviceID[mActiveGPUIndex] = aDeviceID;
+  return NS_OK;
+}
+
+NS_IMETHODIMP GfxInfo::SpoofDriverVersion(const nsAString& aDriverVersion) {
+  mDriverVersion[mActiveGPUIndex] = aDriverVersion;
+  return NS_OK;
+}
+
+NS_IMETHODIMP GfxInfo::SpoofOSVersion(uint32_t aVersion) {
+  mWindowsVersion = aVersion;
+  return NS_OK;
+}
+
+#endif