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GfxInfoBase.cpp
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/* vim: se cin sw=2 ts=2 et : */
/* -*- 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 "mozilla/ArrayUtils.h"
#include "GfxInfoBase.h"
#include "GfxDriverInfo.h"
#include "js/Array.h" // JS::GetArrayLength, JS::NewArrayObject
#include "nsCOMPtr.h"
#include "nsCOMArray.h"
#include "nsString.h"
#include "nsUnicharUtils.h"
#include "nsVersionComparator.h"
#include "mozilla/Services.h"
#include "mozilla/Observer.h"
#include "nsIObserver.h"
#include "nsIObserverService.h"
#include "nsIScreenManager.h"
#include "nsTArray.h"
#include "nsXULAppAPI.h"
#include "nsIXULAppInfo.h"
#include "mozilla/Preferences.h"
#include "mozilla/StaticPrefs_gfx.h"
#include "mozilla/gfx/2D.h"
#include "mozilla/gfx/GPUProcessManager.h"
#include "mozilla/gfx/Logging.h"
#include "mozilla/gfx/gfxVars.h"
#include "mozilla/layers/PaintThread.h"
#include "gfxPlatform.h"
#include "gfxConfig.h"
#include "DriverCrashGuard.h"
using namespace mozilla::widget;
using namespace mozilla;
using mozilla::MutexAutoLock;
nsTArray<GfxDriverInfo>* GfxInfoBase::sDriverInfo;
nsTArray<dom::GfxInfoFeatureStatus>* GfxInfoBase::sFeatureStatus;
bool GfxInfoBase::sDriverInfoObserverInitialized;
bool GfxInfoBase::sShutdownOccurred;
// Observes for shutdown so that the child GfxDriverInfo list is freed.
class ShutdownObserver : public nsIObserver {
virtual ~ShutdownObserver() = default;
public:
ShutdownObserver() = default;
NS_DECL_ISUPPORTS
NS_IMETHOD Observe(nsISupports* subject, const char* aTopic,
const char16_t* aData) override {
MOZ_ASSERT(strcmp(aTopic, NS_XPCOM_SHUTDOWN_OBSERVER_ID) == 0);
delete GfxInfoBase::sDriverInfo;
GfxInfoBase::sDriverInfo = nullptr;
delete GfxInfoBase::sFeatureStatus;
GfxInfoBase::sFeatureStatus = nullptr;
for (auto& deviceFamily : GfxDriverInfo::sDeviceFamilies) {
delete deviceFamily;
deviceFamily = nullptr;
}
for (auto& desktop : GfxDriverInfo::sDesktopEnvironment) {
delete desktop;
desktop = nullptr;
}
for (auto& windowProtocol : GfxDriverInfo::sWindowProtocol) {
delete windowProtocol;
windowProtocol = nullptr;
}
for (auto& deviceVendor : GfxDriverInfo::sDeviceVendors) {
delete deviceVendor;
deviceVendor = nullptr;
}
for (auto& driverVendor : GfxDriverInfo::sDriverVendors) {
delete driverVendor;
driverVendor = nullptr;
}
GfxInfoBase::sShutdownOccurred = true;
return NS_OK;
}
};
NS_IMPL_ISUPPORTS(ShutdownObserver, nsIObserver)
static void InitGfxDriverInfoShutdownObserver() {
if (GfxInfoBase::sDriverInfoObserverInitialized) return;
GfxInfoBase::sDriverInfoObserverInitialized = true;
nsCOMPtr<nsIObserverService> observerService = services::GetObserverService();
if (!observerService) {
NS_WARNING("Could not get observer service!");
return;
}
ShutdownObserver* obs = new ShutdownObserver();
observerService->AddObserver(obs, NS_XPCOM_SHUTDOWN_OBSERVER_ID, false);
}
using namespace mozilla::widget;
using namespace mozilla::gfx;
using namespace mozilla;
NS_IMPL_ISUPPORTS(GfxInfoBase, nsIGfxInfo, nsIObserver,
nsISupportsWeakReference)
#define BLOCKLIST_PREF_BRANCH "gfx.blacklist."
#define SUGGESTED_VERSION_PREF BLOCKLIST_PREF_BRANCH "suggested-driver-version"
static const char* GetPrefNameForFeature(int32_t aFeature) {
const char* name = nullptr;
switch (aFeature) {
case nsIGfxInfo::FEATURE_DIRECT2D:
name = BLOCKLIST_PREF_BRANCH "direct2d";
break;
case nsIGfxInfo::FEATURE_DIRECT3D_9_LAYERS:
name = BLOCKLIST_PREF_BRANCH "layers.direct3d9";
break;
case nsIGfxInfo::FEATURE_DIRECT3D_10_LAYERS:
name = BLOCKLIST_PREF_BRANCH "layers.direct3d10";
break;
case nsIGfxInfo::FEATURE_DIRECT3D_10_1_LAYERS:
name = BLOCKLIST_PREF_BRANCH "layers.direct3d10-1";
break;
case nsIGfxInfo::FEATURE_DIRECT3D_11_LAYERS:
name = BLOCKLIST_PREF_BRANCH "layers.direct3d11";
break;
case nsIGfxInfo::FEATURE_DIRECT3D_11_ANGLE:
name = BLOCKLIST_PREF_BRANCH "direct3d11angle";
break;
case nsIGfxInfo::FEATURE_HARDWARE_VIDEO_DECODING:
name = BLOCKLIST_PREF_BRANCH "hardwarevideodecoding";
break;
case nsIGfxInfo::FEATURE_OPENGL_LAYERS:
name = BLOCKLIST_PREF_BRANCH "layers.opengl";
break;
case nsIGfxInfo::FEATURE_WEBGL_OPENGL:
name = BLOCKLIST_PREF_BRANCH "webgl.opengl";
break;
case nsIGfxInfo::FEATURE_WEBGL_ANGLE:
name = BLOCKLIST_PREF_BRANCH "webgl.angle";
break;
case nsIGfxInfo::FEATURE_WEBGL_MSAA:
name = BLOCKLIST_PREF_BRANCH "webgl.msaa";
break;
case nsIGfxInfo::FEATURE_STAGEFRIGHT:
name = BLOCKLIST_PREF_BRANCH "stagefright";
break;
case nsIGfxInfo::FEATURE_WEBRTC_HW_ACCELERATION_H264:
name = BLOCKLIST_PREF_BRANCH "webrtc.hw.acceleration.h264";
break;
case nsIGfxInfo::FEATURE_WEBRTC_HW_ACCELERATION_ENCODE:
name = BLOCKLIST_PREF_BRANCH "webrtc.hw.acceleration.encode";
break;
case nsIGfxInfo::FEATURE_WEBRTC_HW_ACCELERATION_DECODE:
name = BLOCKLIST_PREF_BRANCH "webrtc.hw.acceleration.decode";
break;
case nsIGfxInfo::FEATURE_CANVAS2D_ACCELERATION:
name = BLOCKLIST_PREF_BRANCH "canvas2d.acceleration";
break;
case nsIGfxInfo::FEATURE_DX_INTEROP2:
name = BLOCKLIST_PREF_BRANCH "dx.interop2";
break;
case nsIGfxInfo::FEATURE_GPU_PROCESS:
name = BLOCKLIST_PREF_BRANCH "gpu.process";
break;
case nsIGfxInfo::FEATURE_WEBGL2:
name = BLOCKLIST_PREF_BRANCH "webgl2";
break;
case nsIGfxInfo::FEATURE_ADVANCED_LAYERS:
name = BLOCKLIST_PREF_BRANCH "layers.advanced";
break;
case nsIGfxInfo::FEATURE_D3D11_KEYED_MUTEX:
name = BLOCKLIST_PREF_BRANCH "d3d11.keyed.mutex";
break;
case nsIGfxInfo::FEATURE_WEBRENDER:
name = BLOCKLIST_PREF_BRANCH "webrender";
break;
case nsIGfxInfo::FEATURE_WEBRENDER_COMPOSITOR:
name = BLOCKLIST_PREF_BRANCH "webrender.compositor";
break;
case nsIGfxInfo::FEATURE_DX_NV12:
name = BLOCKLIST_PREF_BRANCH "dx.nv12";
break;
case nsIGfxInfo::FEATURE_DX_P010:
name = BLOCKLIST_PREF_BRANCH "dx.p010";
break;
case nsIGfxInfo::FEATURE_DX_P016:
name = BLOCKLIST_PREF_BRANCH "dx.p016";
break;
case nsIGfxInfo::FEATURE_VP8_HW_DECODE:
case nsIGfxInfo::FEATURE_VP9_HW_DECODE:
// We don't provide prefs for these features as these are
// not handling downloadable blocklist.
break;
case nsIGfxInfo::FEATURE_GL_SWIZZLE:
name = BLOCKLIST_PREF_BRANCH "gl.swizzle";
break;
case nsIGfxInfo::FEATURE_WEBRENDER_SCISSORED_CACHE_CLEARS:
name = BLOCKLIST_PREF_BRANCH "webrender.scissored_cache_clears";
break;
default:
MOZ_ASSERT_UNREACHABLE("Unexpected nsIGfxInfo feature?!");
break;
}
return name;
}
// Returns the value of the pref for the relevant feature in aValue.
// If the pref doesn't exist, aValue is not touched, and returns false.
static bool GetPrefValueForFeature(int32_t aFeature, int32_t& aValue,
nsACString& aFailureId) {
const char* prefname = GetPrefNameForFeature(aFeature);
if (!prefname) return false;
aValue = nsIGfxInfo::FEATURE_STATUS_UNKNOWN;
if (!NS_SUCCEEDED(Preferences::GetInt(prefname, &aValue))) {
return false;
}
nsCString failureprefname(prefname);
failureprefname += ".failureid";
nsAutoCString failureValue;
nsresult rv = Preferences::GetCString(failureprefname.get(), failureValue);
if (NS_SUCCEEDED(rv)) {
aFailureId = failureValue.get();
} else {
aFailureId = "FEATURE_FAILURE_BLOCKLIST_PREF";
}
return true;
}
static void SetPrefValueForFeature(int32_t aFeature, int32_t aValue,
const nsACString& aFailureId) {
const char* prefname = GetPrefNameForFeature(aFeature);
if (!prefname) return;
if (XRE_IsParentProcess()) {
delete GfxInfoBase::sFeatureStatus;
GfxInfoBase::sFeatureStatus = nullptr;
}
Preferences::SetInt(prefname, aValue);
if (!aFailureId.IsEmpty()) {
nsCString failureprefname(prefname);
failureprefname += ".failureid";
Preferences::SetCString(failureprefname.get(), aFailureId);
}
}
static void RemovePrefForFeature(int32_t aFeature) {
const char* prefname = GetPrefNameForFeature(aFeature);
if (!prefname) return;
if (XRE_IsParentProcess()) {
delete GfxInfoBase::sFeatureStatus;
GfxInfoBase::sFeatureStatus = nullptr;
}
Preferences::ClearUser(prefname);
}
static bool GetPrefValueForDriverVersion(nsCString& aVersion) {
return NS_SUCCEEDED(
Preferences::GetCString(SUGGESTED_VERSION_PREF, aVersion));
}
static void SetPrefValueForDriverVersion(const nsAString& aVersion) {
Preferences::SetString(SUGGESTED_VERSION_PREF, aVersion);
}
static void RemovePrefForDriverVersion() {
Preferences::ClearUser(SUGGESTED_VERSION_PREF);
}
static OperatingSystem BlocklistOSToOperatingSystem(const nsAString& os) {
if (os.EqualsLiteral("WINNT 6.1"))
return OperatingSystem::Windows7;
else if (os.EqualsLiteral("WINNT 6.2"))
return OperatingSystem::Windows8;
else if (os.EqualsLiteral("WINNT 6.3"))
return OperatingSystem::Windows8_1;
else if (os.EqualsLiteral("WINNT 10.0"))
return OperatingSystem::Windows10;
else if (os.EqualsLiteral("Linux"))
return OperatingSystem::Linux;
else if (os.EqualsLiteral("Darwin 9"))
return OperatingSystem::OSX10_5;
else if (os.EqualsLiteral("Darwin 10"))
return OperatingSystem::OSX10_6;
else if (os.EqualsLiteral("Darwin 11"))
return OperatingSystem::OSX10_7;
else if (os.EqualsLiteral("Darwin 12"))
return OperatingSystem::OSX10_8;
else if (os.EqualsLiteral("Darwin 13"))
return OperatingSystem::OSX10_9;
else if (os.EqualsLiteral("Darwin 14"))
return OperatingSystem::OSX10_10;
else if (os.EqualsLiteral("Darwin 15"))
return OperatingSystem::OSX10_11;
else if (os.EqualsLiteral("Darwin 16"))
return OperatingSystem::OSX10_12;
else if (os.EqualsLiteral("Darwin 17"))
return OperatingSystem::OSX10_13;
else if (os.EqualsLiteral("Darwin 18"))
return OperatingSystem::OSX10_14;
else if (os.EqualsLiteral("Darwin 19"))
return OperatingSystem::OSX10_15;
else if (os.EqualsLiteral("Android"))
return OperatingSystem::Android;
// For historical reasons, "All" in blocklist means "All Windows"
else if (os.EqualsLiteral("All"))
return OperatingSystem::Windows;
return OperatingSystem::Unknown;
}
static GfxDeviceFamily* BlocklistDevicesToDeviceFamily(
nsTArray<nsCString>& devices) {
if (devices.Length() == 0) return nullptr;
// For each device, get its device ID, and return a freshly-allocated
// GfxDeviceFamily with the contents of that array.
GfxDeviceFamily* deviceIds = new GfxDeviceFamily;
for (uint32_t i = 0; i < devices.Length(); ++i) {
// We make sure we don't add any "empty" device entries to the array, so
// we don't need to check if devices[i] is empty.
deviceIds->Append(NS_ConvertUTF8toUTF16(devices[i]));
}
return deviceIds;
}
static int32_t BlocklistFeatureToGfxFeature(const nsAString& aFeature) {
MOZ_ASSERT(!aFeature.IsEmpty());
if (aFeature.EqualsLiteral("DIRECT2D"))
return nsIGfxInfo::FEATURE_DIRECT2D;
else if (aFeature.EqualsLiteral("DIRECT3D_9_LAYERS"))
return nsIGfxInfo::FEATURE_DIRECT3D_9_LAYERS;
else if (aFeature.EqualsLiteral("DIRECT3D_10_LAYERS"))
return nsIGfxInfo::FEATURE_DIRECT3D_10_LAYERS;
else if (aFeature.EqualsLiteral("DIRECT3D_10_1_LAYERS"))
return nsIGfxInfo::FEATURE_DIRECT3D_10_1_LAYERS;
else if (aFeature.EqualsLiteral("DIRECT3D_11_LAYERS"))
return nsIGfxInfo::FEATURE_DIRECT3D_11_LAYERS;
else if (aFeature.EqualsLiteral("DIRECT3D_11_ANGLE"))
return nsIGfxInfo::FEATURE_DIRECT3D_11_ANGLE;
else if (aFeature.EqualsLiteral("HARDWARE_VIDEO_DECODING"))
return nsIGfxInfo::FEATURE_HARDWARE_VIDEO_DECODING;
else if (aFeature.EqualsLiteral("OPENGL_LAYERS"))
return nsIGfxInfo::FEATURE_OPENGL_LAYERS;
else if (aFeature.EqualsLiteral("WEBGL_OPENGL"))
return nsIGfxInfo::FEATURE_WEBGL_OPENGL;
else if (aFeature.EqualsLiteral("WEBGL_ANGLE"))
return nsIGfxInfo::FEATURE_WEBGL_ANGLE;
else if (aFeature.EqualsLiteral("WEBGL_MSAA"))
return nsIGfxInfo::FEATURE_WEBGL_MSAA;
else if (aFeature.EqualsLiteral("STAGEFRIGHT"))
return nsIGfxInfo::FEATURE_STAGEFRIGHT;
else if (aFeature.EqualsLiteral("WEBRTC_HW_ACCELERATION_ENCODE"))
return nsIGfxInfo::FEATURE_WEBRTC_HW_ACCELERATION_ENCODE;
else if (aFeature.EqualsLiteral("WEBRTC_HW_ACCELERATION_DECODE"))
return nsIGfxInfo::FEATURE_WEBRTC_HW_ACCELERATION_DECODE;
else if (aFeature.EqualsLiteral("WEBRTC_HW_ACCELERATION_H264"))
return nsIGfxInfo::FEATURE_WEBRTC_HW_ACCELERATION_H264;
else if (aFeature.EqualsLiteral("CANVAS2D_ACCELERATION"))
return nsIGfxInfo::FEATURE_CANVAS2D_ACCELERATION;
else if (aFeature.EqualsLiteral("DX_INTEROP2"))
return nsIGfxInfo::FEATURE_DX_INTEROP2;
else if (aFeature.EqualsLiteral("GPU_PROCESS"))
return nsIGfxInfo::FEATURE_GPU_PROCESS;
else if (aFeature.EqualsLiteral("WEBGL2"))
return nsIGfxInfo::FEATURE_WEBGL2;
else if (aFeature.EqualsLiteral("ADVANCED_LAYERS"))
return nsIGfxInfo::FEATURE_ADVANCED_LAYERS;
else if (aFeature.EqualsLiteral("D3D11_KEYED_MUTEX"))
return nsIGfxInfo::FEATURE_D3D11_KEYED_MUTEX;
else if (aFeature.EqualsLiteral("WEBRENDER"))
return nsIGfxInfo::FEATURE_WEBRENDER;
else if (aFeature.EqualsLiteral("WEBRENDER_COMPOSITOR"))
return nsIGfxInfo::FEATURE_WEBRENDER_COMPOSITOR;
else if (aFeature.EqualsLiteral("DX_NV12"))
return nsIGfxInfo::FEATURE_DX_NV12;
// We do not support FEATURE_VP8_HW_DECODE and FEATURE_VP9_HW_DECODE
// in downloadable blocklist.
else if (aFeature.EqualsLiteral("GL_SWIZZLE"))
return nsIGfxInfo::FEATURE_GL_SWIZZLE;
else if (aFeature.EqualsLiteral("WEBRENDER_SCISSORED_CACHE_CLEARS"))
return nsIGfxInfo::FEATURE_WEBRENDER_SCISSORED_CACHE_CLEARS;
// If we don't recognize the feature, it may be new, and something
// this version doesn't understand. So, nothing to do. This is
// different from feature not being specified at all, in which case
// this method should not get called and we should continue with the
// "all features" blocklisting.
return -1;
}
static int32_t BlocklistFeatureStatusToGfxFeatureStatus(
const nsAString& aStatus) {
if (aStatus.EqualsLiteral("STATUS_OK"))
return nsIGfxInfo::FEATURE_STATUS_OK;
else if (aStatus.EqualsLiteral("BLOCKED_DRIVER_VERSION"))
return nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION;
else if (aStatus.EqualsLiteral("BLOCKED_DEVICE"))
return nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
else if (aStatus.EqualsLiteral("DISCOURAGED"))
return nsIGfxInfo::FEATURE_DISCOURAGED;
else if (aStatus.EqualsLiteral("BLOCKED_OS_VERSION"))
return nsIGfxInfo::FEATURE_BLOCKED_OS_VERSION;
else if (aStatus.EqualsLiteral("DENIED"))
return nsIGfxInfo::FEATURE_DENIED;
else if (aStatus.EqualsLiteral("ALLOW_QUALIFIED"))
return nsIGfxInfo::FEATURE_ALLOW_QUALIFIED;
else if (aStatus.EqualsLiteral("ALLOW_ALWAYS"))
return nsIGfxInfo::FEATURE_ALLOW_ALWAYS;
// Do not allow it to set STATUS_UNKNOWN. Also, we are not
// expecting the "mismatch" status showing up here.
return nsIGfxInfo::FEATURE_STATUS_OK;
}
static VersionComparisonOp BlocklistComparatorToComparisonOp(
const nsAString& op) {
if (op.EqualsLiteral("LESS_THAN"))
return DRIVER_LESS_THAN;
else if (op.EqualsLiteral("BUILD_ID_LESS_THAN"))
return DRIVER_BUILD_ID_LESS_THAN;
else if (op.EqualsLiteral("LESS_THAN_OR_EQUAL"))
return DRIVER_LESS_THAN_OR_EQUAL;
else if (op.EqualsLiteral("BUILD_ID_LESS_THAN_OR_EQUAL"))
return DRIVER_BUILD_ID_LESS_THAN_OR_EQUAL;
else if (op.EqualsLiteral("GREATER_THAN"))
return DRIVER_GREATER_THAN;
else if (op.EqualsLiteral("GREATER_THAN_OR_EQUAL"))
return DRIVER_GREATER_THAN_OR_EQUAL;
else if (op.EqualsLiteral("EQUAL"))
return DRIVER_EQUAL;
else if (op.EqualsLiteral("NOT_EQUAL"))
return DRIVER_NOT_EQUAL;
else if (op.EqualsLiteral("BETWEEN_EXCLUSIVE"))
return DRIVER_BETWEEN_EXCLUSIVE;
else if (op.EqualsLiteral("BETWEEN_INCLUSIVE"))
return DRIVER_BETWEEN_INCLUSIVE;
else if (op.EqualsLiteral("BETWEEN_INCLUSIVE_START"))
return DRIVER_BETWEEN_INCLUSIVE_START;
return DRIVER_COMPARISON_IGNORED;
}
/*
Deserialize Blocklist entries from string.
e.g:
os:WINNT 6.0\tvendor:0x8086\tdevices:0x2582,0x2782\tfeature:DIRECT3D_10_LAYERS\tfeatureStatus:BLOCKED_DRIVER_VERSION\tdriverVersion:8.52.322.2202\tdriverVersionComparator:LESS_THAN_OR_EQUAL
*/
static bool BlocklistEntryToDriverInfo(nsCString& aBlocklistEntry,
GfxDriverInfo& aDriverInfo) {
// If we get an application version to be zero, something is not working
// and we are not going to bother checking the blocklist versions.
// See TestGfxWidgets.cpp for how version comparison works.
// <versionRange minVersion="42.0a1" maxVersion="45.0"></versionRange>
static mozilla::Version zeroV("0");
static mozilla::Version appV(GfxInfoBase::GetApplicationVersion().get());
if (appV <= zeroV) {
gfxCriticalErrorOnce(gfxCriticalError::DefaultOptions(false))
<< "Invalid application version "
<< GfxInfoBase::GetApplicationVersion().get();
}
nsTArray<nsCString> keyValues;
ParseString(aBlocklistEntry, '\t', keyValues);
aDriverInfo.mRuleId =
NS_LITERAL_CSTRING("FEATURE_FAILURE_DL_BLOCKLIST_NO_ID");
for (uint32_t i = 0; i < keyValues.Length(); ++i) {
nsCString keyValue = keyValues[i];
nsTArray<nsCString> splitted;
ParseString(keyValue, ':', splitted);
if (splitted.Length() != 2) {
// If we don't recognize the input data, we do not want to proceed.
gfxCriticalErrorOnce(CriticalLog::DefaultOptions(false))
<< "Unrecognized data " << keyValue.get();
return false;
}
nsCString key = splitted[0];
nsCString value = splitted[1];
NS_ConvertUTF8toUTF16 dataValue(value);
if (value.Length() == 0) {
// Safety check for empty values.
gfxCriticalErrorOnce(CriticalLog::DefaultOptions(false))
<< "Empty value for " << key.get();
return false;
}
if (key.EqualsLiteral("blockID")) {
nsCString blockIdStr =
NS_LITERAL_CSTRING("FEATURE_FAILURE_DL_BLOCKLIST_") + value;
aDriverInfo.mRuleId = blockIdStr.get();
} else if (key.EqualsLiteral("os")) {
aDriverInfo.mOperatingSystem = BlocklistOSToOperatingSystem(dataValue);
} else if (key.EqualsLiteral("osversion")) {
aDriverInfo.mOperatingSystemVersion = strtoul(value.get(), nullptr, 10);
} else if (key.EqualsLiteral("desktopEnvironment")) {
aDriverInfo.mDesktopEnvironment = dataValue;
} else if (key.EqualsLiteral("windowProtocol")) {
aDriverInfo.mWindowProtocol = dataValue;
} else if (key.EqualsLiteral("vendor")) {
aDriverInfo.mAdapterVendor = dataValue;
} else if (key.EqualsLiteral("driverVendor")) {
aDriverInfo.mDriverVendor = dataValue;
} else if (key.EqualsLiteral("feature")) {
aDriverInfo.mFeature = BlocklistFeatureToGfxFeature(dataValue);
if (aDriverInfo.mFeature < 0) {
// If we don't recognize the feature, we do not want to proceed.
gfxCriticalErrorOnce(CriticalLog::DefaultOptions(false))
<< "Unrecognized feature " << value.get();
return false;
}
} else if (key.EqualsLiteral("featureStatus")) {
aDriverInfo.mFeatureStatus =
BlocklistFeatureStatusToGfxFeatureStatus(dataValue);
} else if (key.EqualsLiteral("driverVersion")) {
uint64_t version;
if (ParseDriverVersion(dataValue, &version))
aDriverInfo.mDriverVersion = version;
} else if (key.EqualsLiteral("driverVersionMax")) {
uint64_t version;
if (ParseDriverVersion(dataValue, &version))
aDriverInfo.mDriverVersionMax = version;
} else if (key.EqualsLiteral("driverVersionComparator")) {
aDriverInfo.mComparisonOp = BlocklistComparatorToComparisonOp(dataValue);
} else if (key.EqualsLiteral("model")) {
aDriverInfo.mModel = dataValue;
} else if (key.EqualsLiteral("product")) {
aDriverInfo.mProduct = dataValue;
} else if (key.EqualsLiteral("manufacturer")) {
aDriverInfo.mManufacturer = dataValue;
} else if (key.EqualsLiteral("hardware")) {
aDriverInfo.mHardware = dataValue;
} else if (key.EqualsLiteral("versionRange")) {
nsTArray<nsCString> versionRange;
ParseString(value, ',', versionRange);
if (versionRange.Length() != 2) {
gfxCriticalErrorOnce(CriticalLog::DefaultOptions(false))
<< "Unrecognized versionRange " << value.get();
return false;
}
nsCString minValue = versionRange[0];
nsCString maxValue = versionRange[1];
mozilla::Version minV(minValue.get());
mozilla::Version maxV(maxValue.get());
if (minV > zeroV && !(appV >= minV)) {
// The version of the application is less than the minimal version
// this blocklist entry applies to, so we can just ignore it by
// returning false and letting the caller deal with it.
return false;
}
if (maxV > zeroV && !(appV <= maxV)) {
// The version of the application is more than the maximal version
// this blocklist entry applies to, so we can just ignore it by
// returning false and letting the caller deal with it.
return false;
}
} else if (key.EqualsLiteral("devices")) {
nsTArray<nsCString> devices;
ParseString(value, ',', devices);
GfxDeviceFamily* deviceIds = BlocklistDevicesToDeviceFamily(devices);
if (deviceIds) {
// Get GfxDriverInfo to adopt the devices array we created.
aDriverInfo.mDeleteDevices = true;
aDriverInfo.mDevices = deviceIds;
}
}
// We explicitly ignore unknown elements.
}
return true;
}
static void BlocklistEntriesToDriverInfo(nsTArray<nsCString>& aBlocklistEntries,
nsTArray<GfxDriverInfo>& aDriverInfo) {
aDriverInfo.Clear();
aDriverInfo.SetLength(aBlocklistEntries.Length());
for (uint32_t i = 0; i < aBlocklistEntries.Length(); ++i) {
nsCString blocklistEntry = aBlocklistEntries[i];
GfxDriverInfo di;
if (BlocklistEntryToDriverInfo(blocklistEntry, di)) {
aDriverInfo[i] = di;
// Prevent di falling out of scope from destroying the devices.
di.mDeleteDevices = false;
}
}
}
NS_IMETHODIMP
GfxInfoBase::Observe(nsISupports* aSubject, const char* aTopic,
const char16_t* aData) {
if (strcmp(aTopic, "blocklist-data-gfxItems") == 0) {
nsTArray<GfxDriverInfo> driverInfo;
nsTArray<nsCString> blocklistEntries;
nsCString utf8Data = NS_ConvertUTF16toUTF8(aData);
if (utf8Data.Length() > 0) {
ParseString(utf8Data, '\n', blocklistEntries);
}
BlocklistEntriesToDriverInfo(blocklistEntries, driverInfo);
EvaluateDownloadedBlocklist(driverInfo);
}
return NS_OK;
}
GfxInfoBase::GfxInfoBase() : mScreenPixels(INT64_MAX), mMutex("GfxInfoBase") {}
GfxInfoBase::~GfxInfoBase() = default;
nsresult GfxInfoBase::Init() {
InitGfxDriverInfoShutdownObserver();
nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
if (os) {
os->AddObserver(this, "blocklist-data-gfxItems", true);
}
return NS_OK;
}
void GfxInfoBase::GetData() {
if (mScreenPixels != INT64_MAX) {
// Already initialized.
return;
}
nsCOMPtr<nsIScreenManager> manager =
do_GetService("@mozilla.org/gfx/screenmanager;1");
if (!manager) {
MOZ_ASSERT_UNREACHABLE("failed to get nsIScreenManager");
return;
}
manager->GetTotalScreenPixels(&mScreenPixels);
}
NS_IMETHODIMP
GfxInfoBase::GetFeatureStatus(int32_t aFeature, nsACString& aFailureId,
int32_t* aStatus) {
// Ignore the gfx.blocklist.all pref on release and beta.
#if defined(RELEASE_OR_BETA)
int32_t blocklistAll = 0;
#else
int32_t blocklistAll = StaticPrefs::gfx_blocklist_all_AtStartup();
#endif
if (blocklistAll > 0) {
gfxCriticalErrorOnce(gfxCriticalError::DefaultOptions(false))
<< "Forcing blocklisting all features";
*aStatus = FEATURE_BLOCKED_DEVICE;
aFailureId = "FEATURE_FAILURE_BLOCK_ALL";
return NS_OK;
} else if (blocklistAll < 0) {
gfxCriticalErrorOnce(gfxCriticalError::DefaultOptions(false))
<< "Ignoring any feature blocklisting.";
*aStatus = FEATURE_STATUS_OK;
return NS_OK;
}
if (GetPrefValueForFeature(aFeature, *aStatus, aFailureId)) {
return NS_OK;
}
if (XRE_IsContentProcess()) {
// Use the cached data received from the parent process.
MOZ_ASSERT(sFeatureStatus);
bool success = false;
for (const auto& fs : *sFeatureStatus) {
if (fs.feature() == aFeature) {
aFailureId = fs.failureId();
*aStatus = fs.status();
success = true;
break;
}
}
return success ? NS_OK : NS_ERROR_FAILURE;
}
nsString version;
nsTArray<GfxDriverInfo> driverInfo;
nsresult rv =
GetFeatureStatusImpl(aFeature, aStatus, version, driverInfo, aFailureId);
return rv;
}
void GfxInfoBase::GetAllFeatures(dom::XPCOMInitData& xpcomInit) {
MOZ_RELEASE_ASSERT(XRE_IsParentProcess());
if (!sFeatureStatus) {
sFeatureStatus = new nsTArray<dom::GfxInfoFeatureStatus>();
for (int32_t i = 1; i <= nsIGfxInfo::FEATURE_MAX_VALUE; ++i) {
int32_t status = 0;
nsAutoCString failureId;
GetFeatureStatus(i, failureId, &status);
dom::GfxInfoFeatureStatus gfxFeatureStatus;
gfxFeatureStatus.feature() = i;
gfxFeatureStatus.status() = status;
gfxFeatureStatus.failureId() = failureId;
sFeatureStatus->AppendElement(gfxFeatureStatus);
}
}
for (const auto& status : *sFeatureStatus) {
dom::GfxInfoFeatureStatus copy = status;
xpcomInit.gfxFeatureStatus().AppendElement(copy);
}
}
inline bool MatchingAllowStatus(int32_t aStatus) {
switch (aStatus) {
case nsIGfxInfo::FEATURE_ALLOW_ALWAYS:
case nsIGfxInfo::FEATURE_ALLOW_QUALIFIED:
return true;
default:
return false;
}
}
// Matching OS go somewhat beyond the simple equality check because of the
// "All Windows" and "All OS X" variations.
//
// aBlockedOS is describing the system(s) we are trying to block.
// aSystemOS is describing the system we are running on.
//
// aSystemOS should not be "Windows" or "OSX" - it should be set to
// a particular version instead.
// However, it is valid for aBlockedOS to be one of those generic values,
// as we could be blocking all of the versions.
inline bool MatchingOperatingSystems(OperatingSystem aBlockedOS,
OperatingSystem aSystemOS,
uint32_t aSystemOSBuild) {
MOZ_ASSERT(aSystemOS != OperatingSystem::Windows &&
aSystemOS != OperatingSystem::OSX);
// If the block entry OS is unknown, it doesn't match
if (aBlockedOS == OperatingSystem::Unknown) {
return false;
}
#if defined(XP_WIN)
if (aBlockedOS == OperatingSystem::Windows) {
// We do want even "unknown" aSystemOS to fall under "all windows"
return true;
}
constexpr uint32_t kMinWin10BuildNumber = 18362;
if (aBlockedOS == OperatingSystem::RecentWindows10 &&
aSystemOS == OperatingSystem::Windows10) {
// For allowlist purposes, we sometimes want to restrict to only recent
// versions of Windows 10. This is a bit of a kludge but easier than adding
// complicated blocklist infrastructure for build ID comparisons like driver
// versions.
return aSystemOSBuild >= kMinWin10BuildNumber;
}
if (aBlockedOS == OperatingSystem::NotRecentWindows10) {
if (aSystemOS == OperatingSystem::Windows10) {
return aSystemOSBuild < kMinWin10BuildNumber;
} else {
return true;
}
}
#endif
#if defined(XP_MACOSX)
if (aBlockedOS == OperatingSystem::OSX) {
// We do want even "unknown" aSystemOS to fall under "all OS X"
return true;
}
#endif
return aSystemOS == aBlockedOS;
}
inline bool MatchingBattery(BatteryStatus aBatteryStatus, bool aHasBattery) {
switch (aBatteryStatus) {
case BatteryStatus::All:
return true;
case BatteryStatus::None:
return !aHasBattery;
case BatteryStatus::Present:
return aHasBattery;
}
MOZ_ASSERT_UNREACHABLE("bad battery status");
return false;
}
inline bool MatchingScreenSize(ScreenSizeStatus aScreenStatus,
int64_t aScreenPixels) {
constexpr int64_t kMaxSmallPixels = 2304000; // 1920x1200
constexpr int64_t kMaxMediumPixels = 4953600; // 3440x1440
switch (aScreenStatus) {
case ScreenSizeStatus::All:
return true;
case ScreenSizeStatus::Small:
return aScreenPixels <= kMaxSmallPixels;
case ScreenSizeStatus::SmallAndMedium:
return aScreenPixels <= kMaxMediumPixels;
case ScreenSizeStatus::Medium:
return aScreenPixels > kMaxSmallPixels &&
aScreenPixels <= kMaxMediumPixels;
case ScreenSizeStatus::MediumAndLarge:
return aScreenPixels > kMaxSmallPixels;
case ScreenSizeStatus::Large:
return aScreenPixels > kMaxMediumPixels;
}
MOZ_ASSERT_UNREACHABLE("bad screen status");
return false;
}
int32_t GfxInfoBase::FindBlocklistedDeviceInList(
const nsTArray<GfxDriverInfo>& info, nsAString& aSuggestedVersion,
int32_t aFeature, nsACString& aFailureId, OperatingSystem os,
bool aForAllowing) {
int32_t status = nsIGfxInfo::FEATURE_STATUS_UNKNOWN;
// Some properties are not available on all platforms.
nsAutoString desktopEnvironment;
nsresult rv = GetDesktopEnvironment(desktopEnvironment);
if (NS_FAILED(rv) && rv != NS_ERROR_NOT_IMPLEMENTED) {
return 0;
}
nsAutoString windowProtocol;
rv = GetWindowProtocol(windowProtocol);
if (NS_FAILED(rv) && rv != NS_ERROR_NOT_IMPLEMENTED) {
return 0;
}
bool hasBattery = false;
rv = GetHasBattery(&hasBattery);
if (NS_FAILED(rv) && rv != NS_ERROR_NOT_IMPLEMENTED) {
return 0;
}
uint32_t osBuild = OperatingSystemBuild();
// Get the adapters once then reuse below
nsAutoString adapterVendorID[2];
nsAutoString adapterDeviceID[2];
nsAutoString adapterDriverVendor[2];
nsAutoString adapterDriverVersionString[2];
bool adapterInfoFailed[2];
adapterInfoFailed[0] =
(NS_FAILED(GetAdapterVendorID(adapterVendorID[0])) ||
NS_FAILED(GetAdapterDeviceID(adapterDeviceID[0])) ||
NS_FAILED(GetAdapterDriverVendor(adapterDriverVendor[0])) ||
NS_FAILED(GetAdapterDriverVersion(adapterDriverVersionString[0])));
adapterInfoFailed[1] =
(NS_FAILED(GetAdapterVendorID2(adapterVendorID[1])) ||
NS_FAILED(GetAdapterDeviceID2(adapterDeviceID[1])) ||
NS_FAILED(GetAdapterDriverVendor2(adapterDriverVendor[1])) ||
NS_FAILED(GetAdapterDriverVersion2(adapterDriverVersionString[1])));
// No point in going on if we don't have adapter info
if (adapterInfoFailed[0] && adapterInfoFailed[1]) {
return 0;
}
#if defined(XP_WIN) || defined(ANDROID) || defined(MOZ_X11)
uint64_t driverVersion[2] = {0, 0};
if (!adapterInfoFailed[0]) {
ParseDriverVersion(adapterDriverVersionString[0], &driverVersion[0]);
}
if (!adapterInfoFailed[1]) {
ParseDriverVersion(adapterDriverVersionString[1], &driverVersion[1]);
}
#endif
uint32_t i = 0;
for (; i < info.Length(); i++) {
// If the status is FEATURE_ALLOW_*, then it is for the allowlist, not
// blocklisting. Only consider entries for our search mode.
if (MatchingAllowStatus(info[i].mFeatureStatus) != aForAllowing) {
continue;
}
// If we don't have the info for this GPU, no need to check further.
// It is unclear that we would ever have a mixture of 1st and 2nd
// GPU, but leaving the code in for that possibility for now.
// (Actually, currently mGpu2 will never be true, so this can
// be optimized out.)
uint32_t infoIndex = info[i].mGpu2 ? 1 : 0;
if (adapterInfoFailed[infoIndex]) {
continue;
}
// Do the operating system check first, no point in getting the driver
// info if we won't need to use it.
if (!MatchingOperatingSystems(info[i].mOperatingSystem, os, osBuild)) {
continue;
}
if (info[i].mOperatingSystemVersion &&
info[i].mOperatingSystemVersion != OperatingSystemVersion()) {
continue;
}
if (!MatchingBattery(info[i].mBattery, hasBattery)) {
continue;
}
if (!MatchingScreenSize(info[i].mScreen, mScreenPixels)) {
continue;
}
if (!DoesDesktopEnvironmentMatch(info[i].mDesktopEnvironment,
desktopEnvironment)) {
continue;
}
if (!DoesWindowProtocolMatch(info[i].mWindowProtocol, windowProtocol)) {
continue;
}
if (!DoesVendorMatch(info[i].mAdapterVendor, adapterVendorID[infoIndex])) {
continue;
}
if (!DoesDriverVendorMatch(info[i].mDriverVendor,
adapterDriverVendor[infoIndex])) {
continue;
}
if (info[i].mDevices && !info[i].mDevices->IsEmpty()) {
nsresult rv = info[i].mDevices->Contains(adapterDeviceID[infoIndex]);
if (rv == NS_ERROR_NOT_AVAILABLE) {
// Not found
continue;
}
if (rv != NS_OK) {
// Failed to search, allowlist should not match, blocklist should match
// for safety reasons
if (aForAllowing) {
continue;
}
break;
}
}
bool match = false;
if (!info[i].mHardware.IsEmpty() && !info[i].mHardware.Equals(Hardware())) {
continue;
}
if (!info[i].mModel.IsEmpty() && !info[i].mModel.Equals(Model())) {
continue;
}
if (!info[i].mProduct.IsEmpty() && !info[i].mProduct.Equals(Product())) {
continue;
}
if (!info[i].mManufacturer.IsEmpty() &&
!info[i].mManufacturer.Equals(Manufacturer())) {
continue;
}
#if defined(XP_WIN) || defined(ANDROID) || defined(MOZ_X11)
switch (info[i].mComparisonOp) {
case DRIVER_LESS_THAN:
match = driverVersion[infoIndex] < info[i].mDriverVersion;
break;
case DRIVER_BUILD_ID_LESS_THAN:
match = (driverVersion[infoIndex] & 0xFFFF) < info[i].mDriverVersion;
break;
case DRIVER_LESS_THAN_OR_EQUAL:
match = driverVersion[infoIndex] <= info[i].mDriverVersion;
break;
case DRIVER_BUILD_ID_LESS_THAN_OR_EQUAL:
match = (driverVersion[infoIndex] & 0xFFFF) <= info[i].mDriverVersion;
break;
case DRIVER_GREATER_THAN:
match = driverVersion[infoIndex] > info[i].mDriverVersion;