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gecko-dev/widget/xpwidgets/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/Util.h"
#include "GfxInfoBase.h"
#include "GfxInfoWebGL.h"
#include "GfxDriverInfo.h"
#include "nsCOMPtr.h"
#include "nsCOMArray.h"
#include "nsAutoPtr.h"
#include "nsString.h"
#include "nsUnicharUtils.h"
#include "mozilla/Services.h"
#include "mozilla/Observer.h"
#include "nsIObserver.h"
#include "nsIObserverService.h"
#include "nsIDOMElement.h"
#include "nsIDOMHTMLCollection.h"
#include "nsIDOMNode.h"
#include "nsIDOMNodeList.h"
#include "nsTArray.h"
#include "mozilla/Preferences.h"
#if defined(MOZ_CRASHREPORTER)
#include "nsExceptionHandler.h"
#endif
using namespace mozilla::widget;
using namespace mozilla;
nsTArray<GfxDriverInfo>* GfxInfoBase::mDriverInfo;
bool GfxInfoBase::mDriverInfoObserverInitialized;
// Observes for shutdown so that the child GfxDriverInfo list is freed.
class ShutdownObserver : public nsIObserver
{
public:
ShutdownObserver() {}
virtual ~ShutdownObserver() {}
NS_DECL_ISUPPORTS
NS_IMETHOD Observe(nsISupports *subject, const char *aTopic,
const PRUnichar *aData)
{
MOZ_ASSERT(strcmp(aTopic, NS_XPCOM_SHUTDOWN_OBSERVER_ID) == 0);
delete GfxInfoBase::mDriverInfo;
GfxInfoBase::mDriverInfo = nullptr;
for (uint32_t i = 0; i < DeviceFamilyMax; i++)
delete GfxDriverInfo::mDeviceFamilies[i];
for (uint32_t i = 0; i < DeviceVendorMax; i++)
delete GfxDriverInfo::mDeviceVendors[i];
return NS_OK;
}
};
NS_IMPL_ISUPPORTS1(ShutdownObserver, nsIObserver);
void InitGfxDriverInfoShutdownObserver()
{
if (GfxInfoBase::mDriverInfoObserverInitialized)
return;
GfxInfoBase::mDriverInfoObserverInitialized = 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;
NS_IMPL_ISUPPORTS3(GfxInfoBase, nsIGfxInfo, nsIObserver, nsISupportsWeakReference)
#define BLACKLIST_PREF_BRANCH "gfx.blacklist."
#define SUGGESTED_VERSION_PREF BLACKLIST_PREF_BRANCH "suggested-driver-version"
#define BLACKLIST_ENTRY_TAG_NAME "gfxBlacklistEntry"
static const char*
GetPrefNameForFeature(int32_t aFeature)
{
const char* name = nullptr;
switch(aFeature) {
case nsIGfxInfo::FEATURE_DIRECT2D:
name = BLACKLIST_PREF_BRANCH "direct2d";
break;
case nsIGfxInfo::FEATURE_DIRECT3D_9_LAYERS:
name = BLACKLIST_PREF_BRANCH "layers.direct3d9";
break;
case nsIGfxInfo::FEATURE_DIRECT3D_10_LAYERS:
name = BLACKLIST_PREF_BRANCH "layers.direct3d10";
break;
case nsIGfxInfo::FEATURE_DIRECT3D_10_1_LAYERS:
name = BLACKLIST_PREF_BRANCH "layers.direct3d10-1";
break;
case nsIGfxInfo::FEATURE_OPENGL_LAYERS:
name = BLACKLIST_PREF_BRANCH "layers.opengl";
break;
case nsIGfxInfo::FEATURE_WEBGL_OPENGL:
name = BLACKLIST_PREF_BRANCH "webgl.opengl";
break;
case nsIGfxInfo::FEATURE_WEBGL_ANGLE:
name = BLACKLIST_PREF_BRANCH "webgl.angle";
break;
case nsIGfxInfo::FEATURE_WEBGL_MSAA:
name = BLACKLIST_PREF_BRANCH "webgl.msaa";
break;
case nsIGfxInfo::FEATURE_STAGEFRIGHT:
name = BLACKLIST_PREF_BRANCH "stagefright";
break;
default:
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)
{
const char *prefname = GetPrefNameForFeature(aFeature);
if (!prefname)
return false;
aValue = false;
return NS_SUCCEEDED(Preferences::GetInt(prefname, &aValue));
}
static void
SetPrefValueForFeature(int32_t aFeature, int32_t aValue)
{
const char *prefname = GetPrefNameForFeature(aFeature);
if (!prefname)
return;
Preferences::SetInt(prefname, aValue);
}
static void
RemovePrefForFeature(int32_t aFeature)
{
const char *prefname = GetPrefNameForFeature(aFeature);
if (!prefname)
return;
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);
}
// <foo>Hello</foo> - "Hello" is stored as a child text node of the foo node.
static bool
BlacklistNodeToTextValue(nsIDOMNode *aBlacklistNode, nsAString& aValue)
{
nsAutoString value;
if (NS_FAILED(aBlacklistNode->GetTextContent(value)))
return false;
value.Trim(" \t\r\n");
aValue = value;
return true;
}
static OperatingSystem
BlacklistOSToOperatingSystem(const nsAString& os)
{
if (os == NS_LITERAL_STRING("WINNT 5.1"))
return DRIVER_OS_WINDOWS_XP;
else if (os == NS_LITERAL_STRING("WINNT 5.2"))
return DRIVER_OS_WINDOWS_SERVER_2003;
else if (os == NS_LITERAL_STRING("WINNT 6.0"))
return DRIVER_OS_WINDOWS_VISTA;
else if (os == NS_LITERAL_STRING("WINNT 6.1"))
return DRIVER_OS_WINDOWS_7;
else if (os == NS_LITERAL_STRING("WINNT 6.2"))
return DRIVER_OS_WINDOWS_8;
else if (os == NS_LITERAL_STRING("Linux"))
return DRIVER_OS_LINUX;
else if (os == NS_LITERAL_STRING("Darwin 9"))
return DRIVER_OS_OS_X_10_5;
else if (os == NS_LITERAL_STRING("Darwin 10"))
return DRIVER_OS_OS_X_10_6;
else if (os == NS_LITERAL_STRING("Darwin 11"))
return DRIVER_OS_OS_X_10_7;
else if (os == NS_LITERAL_STRING("Darwin 12"))
return DRIVER_OS_OS_X_10_8;
else if (os == NS_LITERAL_STRING("Android"))
return DRIVER_OS_ANDROID;
else if (os == NS_LITERAL_STRING("All"))
return DRIVER_OS_ALL;
return DRIVER_OS_UNKNOWN;
}
static GfxDeviceFamily*
BlacklistDevicesToDeviceFamily(nsIDOMHTMLCollection* aDevices)
{
uint32_t length;
if (NS_FAILED(aDevices->GetLength(&length)))
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 < length; ++i) {
nsCOMPtr<nsIDOMNode> node;
if (NS_FAILED(aDevices->Item(i, getter_AddRefs(node))) || !node)
continue;
nsAutoString deviceValue;
if (!BlacklistNodeToTextValue(node, deviceValue))
continue;
deviceIds->AppendElement(deviceValue);
}
return deviceIds;
}
static int32_t
BlacklistFeatureToGfxFeature(const nsAString& aFeature)
{
if (aFeature == NS_LITERAL_STRING("DIRECT2D"))
return nsIGfxInfo::FEATURE_DIRECT2D;
else if (aFeature == NS_LITERAL_STRING("DIRECT3D_9_LAYERS"))
return nsIGfxInfo::FEATURE_DIRECT3D_9_LAYERS;
else if (aFeature == NS_LITERAL_STRING("DIRECT3D_10_LAYERS"))
return nsIGfxInfo::FEATURE_DIRECT3D_10_LAYERS;
else if (aFeature == NS_LITERAL_STRING("DIRECT3D_10_1_LAYERS"))
return nsIGfxInfo::FEATURE_DIRECT3D_10_1_LAYERS;
else if (aFeature == NS_LITERAL_STRING("OPENGL_LAYERS"))
return nsIGfxInfo::FEATURE_OPENGL_LAYERS;
else if (aFeature == NS_LITERAL_STRING("WEBGL_OPENGL"))
return nsIGfxInfo::FEATURE_WEBGL_OPENGL;
else if (aFeature == NS_LITERAL_STRING("WEBGL_ANGLE"))
return nsIGfxInfo::FEATURE_WEBGL_ANGLE;
else if (aFeature == NS_LITERAL_STRING("WEBGL_MSAA"))
return nsIGfxInfo::FEATURE_WEBGL_MSAA;
else if (aFeature == NS_LITERAL_STRING("STAGEFRIGHT"))
return nsIGfxInfo::FEATURE_STAGEFRIGHT;
return 0;
}
static int32_t
BlacklistFeatureStatusToGfxFeatureStatus(const nsAString& aStatus)
{
if (aStatus == NS_LITERAL_STRING("NO_INFO"))
return nsIGfxInfo::FEATURE_NO_INFO;
else if (aStatus == NS_LITERAL_STRING("BLOCKED_DRIVER_VERSION"))
return nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION;
else if (aStatus == NS_LITERAL_STRING("BLOCKED_DEVICE"))
return nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
else if (aStatus == NS_LITERAL_STRING("DISCOURAGED"))
return nsIGfxInfo::FEATURE_DISCOURAGED;
else if (aStatus == NS_LITERAL_STRING("BLOCKED_OS_VERSION"))
return nsIGfxInfo::FEATURE_BLOCKED_OS_VERSION;
// Do not allow it to set STATUS_UNKNOWN.
return nsIGfxInfo::FEATURE_NO_INFO;
}
static VersionComparisonOp
BlacklistComparatorToComparisonOp(const nsAString& op)
{
if (op == NS_LITERAL_STRING("LESS_THAN"))
return DRIVER_LESS_THAN;
else if (op == NS_LITERAL_STRING("LESS_THAN_OR_EQUAL"))
return DRIVER_LESS_THAN_OR_EQUAL;
else if (op == NS_LITERAL_STRING("GREATER_THAN"))
return DRIVER_GREATER_THAN;
else if (op == NS_LITERAL_STRING("GREATER_THAN_OR_EQUAL"))
return DRIVER_GREATER_THAN_OR_EQUAL;
else if (op == NS_LITERAL_STRING("EQUAL"))
return DRIVER_EQUAL;
else if (op == NS_LITERAL_STRING("NOT_EQUAL"))
return DRIVER_NOT_EQUAL;
else if (op == NS_LITERAL_STRING("BETWEEN_EXCLUSIVE"))
return DRIVER_BETWEEN_EXCLUSIVE;
else if (op == NS_LITERAL_STRING("BETWEEN_INCLUSIVE"))
return DRIVER_BETWEEN_INCLUSIVE;
else if (op == NS_LITERAL_STRING("BETWEEN_INCLUSIVE_START"))
return DRIVER_BETWEEN_INCLUSIVE_START;
return DRIVER_COMPARISON_IGNORED;
}
// Arbitrarily returns the first |tagname| child of |element|.
static bool
BlacklistNodeGetChildByName(nsIDOMElement *element,
const nsAString& tagname,
nsIDOMNode** firstchild)
{
nsCOMPtr<nsIDOMHTMLCollection> nodelist;
if (NS_FAILED(element->GetElementsByTagName(tagname,
getter_AddRefs(nodelist))) ||
!nodelist) {
return false;
}
nsCOMPtr<nsIDOMNode> node;
if (NS_FAILED(nodelist->Item(0, getter_AddRefs(node))) || !node)
return false;
*firstchild = node.forget().get();
return true;
}
/*
<gfxBlacklistEntry>
<os>WINNT 6.0</os>
<vendor>0x8086</vendor>
<devices>
<device>0x2582</device>
<device>0x2782</device>
</devices>
<feature> DIRECT3D_10_LAYERS </feature>
<featureStatus> BLOCKED_DRIVER_VERSION </featureStatus>
<driverVersion> 8.52.322.2202 </driverVersion>
<driverVersionComparator> LESS_THAN_OR_EQUAL </driverVersionComparator>
</gfxBlacklistEntry>
*/
static bool
BlacklistEntryToDriverInfo(nsIDOMNode* aBlacklistEntry,
GfxDriverInfo& aDriverInfo)
{
nsAutoString nodename;
if (NS_FAILED(aBlacklistEntry->GetNodeName(nodename)) ||
nodename != NS_LITERAL_STRING(BLACKLIST_ENTRY_TAG_NAME)) {
return false;
}
nsCOMPtr<nsIDOMElement> element = do_QueryInterface(aBlacklistEntry);
if (!element)
return false;
nsCOMPtr<nsIDOMNode> dataNode;
nsAutoString dataValue;
// <os>WINNT 6.0</os>
if (BlacklistNodeGetChildByName(element, NS_LITERAL_STRING("os"),
getter_AddRefs(dataNode))) {
BlacklistNodeToTextValue(dataNode, dataValue);
aDriverInfo.mOperatingSystem = BlacklistOSToOperatingSystem(dataValue);
}
// <osversion>14</osversion> currently only used for Android
if (BlacklistNodeGetChildByName(element, NS_LITERAL_STRING("osversion"),
getter_AddRefs(dataNode))) {
BlacklistNodeToTextValue(dataNode, dataValue);
aDriverInfo.mOperatingSystemVersion = strtoul(NS_LossyConvertUTF16toASCII(dataValue).get(), NULL, 10);
}
// <vendor>0x8086</vendor>
if (BlacklistNodeGetChildByName(element, NS_LITERAL_STRING("vendor"),
getter_AddRefs(dataNode))) {
BlacklistNodeToTextValue(dataNode, dataValue);
aDriverInfo.mAdapterVendor = dataValue;
}
// <devices>
// <device>0x2582</device>
// <device>0x2782</device>
// </devices>
if (BlacklistNodeGetChildByName(element, NS_LITERAL_STRING("devices"),
getter_AddRefs(dataNode))) {
nsCOMPtr<nsIDOMElement> devicesElement = do_QueryInterface(dataNode);
if (devicesElement) {
// Get only the <device> nodes, because BlacklistDevicesToDeviceFamily
// assumes it is passed no other nodes.
nsCOMPtr<nsIDOMHTMLCollection> devices;
if (NS_SUCCEEDED(devicesElement->GetElementsByTagName(NS_LITERAL_STRING("device"),
getter_AddRefs(devices)))) {
GfxDeviceFamily* deviceIds = BlacklistDevicesToDeviceFamily(devices);
if (deviceIds) {
// Get GfxDriverInfo to adopt the devices array we created.
aDriverInfo.mDeleteDevices = true;
aDriverInfo.mDevices = deviceIds;
}
}
}
}
// <feature> DIRECT3D_10_LAYERS </feature>
if (BlacklistNodeGetChildByName(element, NS_LITERAL_STRING("feature"),
getter_AddRefs(dataNode))) {
BlacklistNodeToTextValue(dataNode, dataValue);
aDriverInfo.mFeature = BlacklistFeatureToGfxFeature(dataValue);
}
// <featureStatus> BLOCKED_DRIVER_VERSION </featureStatus>
if (BlacklistNodeGetChildByName(element, NS_LITERAL_STRING("featureStatus"),
getter_AddRefs(dataNode))) {
BlacklistNodeToTextValue(dataNode, dataValue);
aDriverInfo.mFeatureStatus = BlacklistFeatureStatusToGfxFeatureStatus(dataValue);
}
// <driverVersion> 8.52.322.2202 </driverVersion>
if (BlacklistNodeGetChildByName(element, NS_LITERAL_STRING("driverVersion"),
getter_AddRefs(dataNode))) {
BlacklistNodeToTextValue(dataNode, dataValue);
uint64_t version;
if (ParseDriverVersion(dataValue, &version))
aDriverInfo.mDriverVersion = version;
}
// <driverVersionComparator> LESS_THAN_OR_EQUAL </driverVersionComparator>
if (BlacklistNodeGetChildByName(element, NS_LITERAL_STRING("driverVersionComparator"),
getter_AddRefs(dataNode))) {
BlacklistNodeToTextValue(dataNode, dataValue);
aDriverInfo.mComparisonOp = BlacklistComparatorToComparisonOp(dataValue);
}
// <model>foo</model>
if (BlacklistNodeGetChildByName(element, NS_LITERAL_STRING("model"),
getter_AddRefs(dataNode))) {
BlacklistNodeToTextValue(dataNode, dataValue);
aDriverInfo.mModel = dataValue;
}
// <product>foo</product>
if (BlacklistNodeGetChildByName(element, NS_LITERAL_STRING("product"),
getter_AddRefs(dataNode))) {
BlacklistNodeToTextValue(dataNode, dataValue);
aDriverInfo.mProduct = dataValue;
}
// <manufacturer>foo</manufacturer>
if (BlacklistNodeGetChildByName(element, NS_LITERAL_STRING("manufacturer"),
getter_AddRefs(dataNode))) {
BlacklistNodeToTextValue(dataNode, dataValue);
aDriverInfo.mManufacturer = dataValue;
}
// <hardware>foo</hardware>
if (BlacklistNodeGetChildByName(element, NS_LITERAL_STRING("hardware"),
getter_AddRefs(dataNode))) {
BlacklistNodeToTextValue(dataNode, dataValue);
aDriverInfo.mHardware = dataValue;
}
// We explicitly ignore unknown elements.
return true;
}
static void
BlacklistEntriesToDriverInfo(nsIDOMHTMLCollection* aBlacklistEntries,
nsTArray<GfxDriverInfo>& aDriverInfo)
{
uint32_t length;
if (NS_FAILED(aBlacklistEntries->GetLength(&length)))
return;
aDriverInfo.Clear();
aDriverInfo.SetLength(length);
for (uint32_t i = 0; i < length; ++i) {
nsCOMPtr<nsIDOMNode> blacklistEntry;
if (NS_SUCCEEDED(aBlacklistEntries->Item(i,
getter_AddRefs(blacklistEntry))) &&
blacklistEntry) {
GfxDriverInfo di;
if (BlacklistEntryToDriverInfo(blacklistEntry, 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 PRUnichar* aData)
{
if (strcmp(aTopic, "blocklist-data-gfxItems") == 0) {
nsCOMPtr<nsIDOMElement> gfxItems = do_QueryInterface(aSubject);
if (gfxItems) {
nsCOMPtr<nsIDOMHTMLCollection> blacklistEntries;
if (NS_SUCCEEDED(gfxItems->
GetElementsByTagName(NS_LITERAL_STRING(BLACKLIST_ENTRY_TAG_NAME),
getter_AddRefs(blacklistEntries))) &&
blacklistEntries)
{
nsTArray<GfxDriverInfo> driverInfo;
BlacklistEntriesToDriverInfo(blacklistEntries, driverInfo);
EvaluateDownloadedBlacklist(driverInfo);
}
}
}
return NS_OK;
}
GfxInfoBase::GfxInfoBase()
: mFailureCount(0)
{
}
GfxInfoBase::~GfxInfoBase()
{
}
nsresult
GfxInfoBase::Init()
{
InitGfxDriverInfoShutdownObserver();
nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
if (os) {
os->AddObserver(this, "blocklist-data-gfxItems", true);
}
return NS_OK;
}
NS_IMETHODIMP
GfxInfoBase::GetFeatureStatus(int32_t aFeature, int32_t* aStatus)
{
if (GetPrefValueForFeature(aFeature, *aStatus))
return NS_OK;
nsString version;
nsTArray<GfxDriverInfo> driverInfo;
return GetFeatureStatusImpl(aFeature, aStatus, version, driverInfo);
}
int32_t
GfxInfoBase::FindBlocklistedDeviceInList(const nsTArray<GfxDriverInfo>& info,
nsAString& aSuggestedVersion,
int32_t aFeature,
OperatingSystem os)
{
int32_t status = nsIGfxInfo::FEATURE_STATUS_UNKNOWN;
nsAutoString adapterVendorID;
nsAutoString adapterDeviceID;
nsAutoString adapterDriverVersionString;
if (NS_FAILED(GetAdapterVendorID(adapterVendorID)) ||
NS_FAILED(GetAdapterDeviceID(adapterDeviceID)) ||
NS_FAILED(GetAdapterDriverVersion(adapterDriverVersionString)))
{
return 0;
}
uint64_t driverVersion;
ParseDriverVersion(adapterDriverVersionString, &driverVersion);
uint32_t i = 0;
for (; i < info.Length(); i++) {
if (info[i].mOperatingSystem != DRIVER_OS_ALL &&
info[i].mOperatingSystem != os)
{
continue;
}
if (info[i].mOperatingSystemVersion && info[i].mOperatingSystemVersion != OperatingSystemVersion()) {
continue;
}
if (!info[i].mAdapterVendor.Equals(GfxDriverInfo::GetDeviceVendor(VendorAll), nsCaseInsensitiveStringComparator()) &&
!info[i].mAdapterVendor.Equals(adapterVendorID, nsCaseInsensitiveStringComparator())) {
continue;
}
if (info[i].mDevices != GfxDriverInfo::allDevices && info[i].mDevices->Length()) {
bool deviceMatches = false;
for (uint32_t j = 0; j < info[i].mDevices->Length(); j++) {
if ((*info[i].mDevices)[j].Equals(adapterDeviceID, nsCaseInsensitiveStringComparator())) {
deviceMatches = true;
break;
}
}
if (!deviceMatches) {
continue;
}
}
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)
switch (info[i].mComparisonOp) {
case DRIVER_LESS_THAN:
match = driverVersion < info[i].mDriverVersion;
break;
case DRIVER_LESS_THAN_OR_EQUAL:
match = driverVersion <= info[i].mDriverVersion;
break;
case DRIVER_GREATER_THAN:
match = driverVersion > info[i].mDriverVersion;
break;
case DRIVER_GREATER_THAN_OR_EQUAL:
match = driverVersion >= info[i].mDriverVersion;
break;
case DRIVER_EQUAL:
match = driverVersion == info[i].mDriverVersion;
break;
case DRIVER_NOT_EQUAL:
match = driverVersion != info[i].mDriverVersion;
break;
case DRIVER_BETWEEN_EXCLUSIVE:
match = driverVersion > info[i].mDriverVersion && driverVersion < info[i].mDriverVersionMax;
break;
case DRIVER_BETWEEN_INCLUSIVE:
match = driverVersion >= info[i].mDriverVersion && driverVersion <= info[i].mDriverVersionMax;
break;
case DRIVER_BETWEEN_INCLUSIVE_START:
match = driverVersion >= info[i].mDriverVersion && driverVersion < info[i].mDriverVersionMax;
break;
case DRIVER_COMPARISON_IGNORED:
// We don't have a comparison op, so we match everything.
match = true;
break;
default:
NS_WARNING("Bogus op in GfxDriverInfo");
break;
}
#else
// We don't care what driver version it was. We only check OS version and if
// the device matches.
match = true;
#endif
if (match || info[i].mDriverVersion == GfxDriverInfo::allDriverVersions) {
if (info[i].mFeature == GfxDriverInfo::allFeatures ||
info[i].mFeature == aFeature)
{
status = info[i].mFeatureStatus;
break;
}
}
}
// Depends on Windows driver versioning. We don't pass a GfxDriverInfo object
// back to the Windows handler, so we must handle this here.
#if defined(XP_WIN)
if (status == FEATURE_BLOCKED_DRIVER_VERSION) {
if (info[i].mSuggestedVersion) {
aSuggestedVersion.AppendPrintf("%s", info[i].mSuggestedVersion);
} else if (info[i].mComparisonOp == DRIVER_LESS_THAN &&
info[i].mDriverVersion != GfxDriverInfo::allDriverVersions)
{
aSuggestedVersion.AppendPrintf("%lld.%lld.%lld.%lld",
(info[i].mDriverVersion & 0xffff000000000000) >> 48,
(info[i].mDriverVersion & 0x0000ffff00000000) >> 32,
(info[i].mDriverVersion & 0x00000000ffff0000) >> 16,
(info[i].mDriverVersion & 0x000000000000ffff));
}
}
#endif
return status;
}
nsresult
GfxInfoBase::GetFeatureStatusImpl(int32_t aFeature,
int32_t* aStatus,
nsAString& aSuggestedVersion,
const nsTArray<GfxDriverInfo>& aDriverInfo,
OperatingSystem* aOS /* = nullptr */)
{
if (*aStatus != nsIGfxInfo::FEATURE_STATUS_UNKNOWN) {
// Terminate now with the status determined by the derived type (OS-specific
// code).
return NS_OK;
}
// If an operating system was provided by the derived GetFeatureStatusImpl,
// grab it here. Otherwise, the OS is unknown.
OperatingSystem os = DRIVER_OS_UNKNOWN;
if (aOS)
os = *aOS;
nsAutoString adapterVendorID;
nsAutoString adapterDeviceID;
nsAutoString adapterDriverVersionString;
if (NS_FAILED(GetAdapterVendorID(adapterVendorID)) ||
NS_FAILED(GetAdapterDeviceID(adapterDeviceID)) ||
NS_FAILED(GetAdapterDriverVersion(adapterDriverVersionString)))
{
return NS_OK;
}
uint64_t driverVersion;
ParseDriverVersion(adapterDriverVersionString, &driverVersion);
// Check if the device is blocked from the downloaded blocklist. If not, check
// the static list after that. This order is used so that we can later escape
// out of static blocks (i.e. if we were wrong or something was patched, we
// can back out our static block without doing a release).
int32_t status;
if (aDriverInfo.Length()) {
status = FindBlocklistedDeviceInList(aDriverInfo, aSuggestedVersion, aFeature, os);
} else {
if (!mDriverInfo) {
mDriverInfo = new nsTArray<GfxDriverInfo>();
}
status = FindBlocklistedDeviceInList(GetGfxDriverInfo(), aSuggestedVersion, aFeature, os);
}
// It's now done being processed. It's safe to set the status to NO_INFO.
if (status == nsIGfxInfo::FEATURE_STATUS_UNKNOWN) {
*aStatus = nsIGfxInfo::FEATURE_NO_INFO;
} else {
*aStatus = status;
}
return NS_OK;
}
NS_IMETHODIMP
GfxInfoBase::GetFeatureSuggestedDriverVersion(int32_t aFeature,
nsAString& aVersion)
{
nsCString version;
if (GetPrefValueForDriverVersion(version)) {
aVersion = NS_ConvertASCIItoUTF16(version);
return NS_OK;
}
int32_t status;
nsTArray<GfxDriverInfo> driverInfo;
return GetFeatureStatusImpl(aFeature, &status, aVersion, driverInfo);
}
NS_IMETHODIMP
GfxInfoBase::GetWebGLParameter(const nsAString& aParam,
nsAString& aResult)
{
return GfxInfoWebGL::GetWebGLParameter(aParam, aResult);
}
void
GfxInfoBase::EvaluateDownloadedBlacklist(nsTArray<GfxDriverInfo>& aDriverInfo)
{
int32_t features[] = {
nsIGfxInfo::FEATURE_DIRECT2D,
nsIGfxInfo::FEATURE_DIRECT3D_9_LAYERS,
nsIGfxInfo::FEATURE_DIRECT3D_10_LAYERS,
nsIGfxInfo::FEATURE_DIRECT3D_10_1_LAYERS,
nsIGfxInfo::FEATURE_OPENGL_LAYERS,
nsIGfxInfo::FEATURE_WEBGL_OPENGL,
nsIGfxInfo::FEATURE_WEBGL_ANGLE,
nsIGfxInfo::FEATURE_WEBGL_MSAA,
nsIGfxInfo::FEATURE_STAGEFRIGHT,
0
};
// For every feature we know about, we evaluate whether this blacklist has a
// non-NO_INFO status. If it does, we set the pref we evaluate in
// GetFeatureStatus above, so we don't need to hold on to this blacklist
// anywhere permanent.
int i = 0;
while (features[i]) {
int32_t status;
nsAutoString suggestedVersion;
if (NS_SUCCEEDED(GetFeatureStatusImpl(features[i], &status,
suggestedVersion,
aDriverInfo))) {
switch (status) {
default:
case nsIGfxInfo::FEATURE_NO_INFO:
RemovePrefForFeature(features[i]);
break;
case nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION:
if (!suggestedVersion.IsEmpty()) {
SetPrefValueForDriverVersion(suggestedVersion);
} else {
RemovePrefForDriverVersion();
}
// FALLTHROUGH
case nsIGfxInfo::FEATURE_BLOCKED_DEVICE:
case nsIGfxInfo::FEATURE_DISCOURAGED:
case nsIGfxInfo::FEATURE_BLOCKED_OS_VERSION:
SetPrefValueForFeature(features[i], status);
break;
}
}
++i;
}
}
NS_IMETHODIMP_(void)
GfxInfoBase::LogFailure(const nsACString &failure)
{
/* We only keep the first 9 failures */
if (mFailureCount < ArrayLength(mFailures)) {
mFailures[mFailureCount++] = failure;
/* record it in the crash notes too */
#if defined(MOZ_CRASHREPORTER)
CrashReporter::AppendAppNotesToCrashReport(failure);
#endif
}
}
/* void getFailures ([optional] out unsigned long failureCount, [array, size_is (failureCount), retval] out string failures); */
/* XPConnect method of returning arrays is very ugly. Would not recommend. Fallable nsMemory::Alloc makes things worse */
NS_IMETHODIMP GfxInfoBase::GetFailures(uint32_t *failureCount, char ***failures)
{
NS_ENSURE_ARG_POINTER(failureCount);
NS_ENSURE_ARG_POINTER(failures);
*failures = nullptr;
*failureCount = mFailureCount;
if (*failureCount != 0) {
*failures = (char**)nsMemory::Alloc(*failureCount * sizeof(char*));
if (!failures)
return NS_ERROR_OUT_OF_MEMORY;
/* copy over the failure messages into the array we just allocated */
for (uint32_t i = 0; i < *failureCount; i++) {
nsCString& flattenedFailureMessage(mFailures[i]);
(*failures)[i] = (char*)nsMemory::Clone(flattenedFailureMessage.get(), flattenedFailureMessage.Length() + 1);
if (!(*failures)[i]) {
/* <sarcasm> I'm too afraid to use an inline function... </sarcasm> */
NS_FREE_XPCOM_ALLOCATED_POINTER_ARRAY(i, (*failures));
return NS_ERROR_OUT_OF_MEMORY;
}
}
}
return NS_OK;
}
nsTArray<GfxInfoCollectorBase*> *sCollectors;
static void
InitCollectors()
{
if (!sCollectors)
sCollectors = new nsTArray<GfxInfoCollectorBase*>;
}
nsresult GfxInfoBase::GetInfo(JSContext* aCx, jsval* aResult)
{
InitCollectors();
InfoObject obj(aCx);
for (uint32_t i = 0; i < sCollectors->Length(); i++) {
(*sCollectors)[i]->GetInfo(obj);
}
// Some example property definitions
// obj.DefineProperty("wordCacheSize", gfxTextRunWordCache::Count());
// obj.DefineProperty("renderer", mRendererIDsString);
// obj.DefineProperty("five", 5);
if (!obj.mOk) {
return NS_ERROR_FAILURE;
}
*aResult = OBJECT_TO_JSVAL(obj.mObj);
return NS_OK;
}
void
GfxInfoBase::AddCollector(GfxInfoCollectorBase* collector)
{
InitCollectors();
sCollectors->AppendElement(collector);
}
void
GfxInfoBase::RemoveCollector(GfxInfoCollectorBase* collector)
{
InitCollectors();
for (uint32_t i = 0; i < sCollectors->Length(); i++) {
if ((*sCollectors)[i] == collector) {
sCollectors->RemoveElementAt(i);
break;
}
}
if (sCollectors->IsEmpty()) {
delete sCollectors;
sCollectors = nullptr;
}
}
GfxInfoCollectorBase::GfxInfoCollectorBase()
{
GfxInfoBase::AddCollector(this);
}
GfxInfoCollectorBase::~GfxInfoCollectorBase()
{
GfxInfoBase::RemoveCollector(this);
}
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