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Bug 600280. Use Setup API instead of the registry directly to get device information. r=jrmuizel,a=joe

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This fixes driver version and date being empty or null for some graphic cards under Windows 2000/XP
This commit is contained in:
Tetsuro Kato 2011-01-24 10:05:59 -05:00
parent 29b9aa6f92
commit 14c9aac484
1 changed files with 88 additions and 39 deletions
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127
widget/src/windows/GfxInfo.cpp
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@ -37,6 +37,7 @@
* ***** END LICENSE BLOCK ***** */
#include <windows.h>
#include <setupapi.h>
#include "gfxWindowsPlatform.h"
#include "GfxInfo.h"
#include "GfxInfoWebGL.h"
@ -180,6 +181,31 @@ static void normalizeDriverId(nsString& driverid) {
}
}
// Setup API functions
typedef HDEVINFO (WINAPI*SetupDiGetClassDevsWFunc)(
CONST GUID *ClassGuid,
PCWSTR Enumerator,
HWND hwndParent,
DWORD Flags
);
typedef BOOL (WINAPI*SetupDiEnumDeviceInfoFunc)(
HDEVINFO DeviceInfoSet,
DWORD MemberIndex,
PSP_DEVINFO_DATA DeviceInfoData
);
typedef BOOL (WINAPI*SetupDiGetDeviceRegistryPropertyWFunc)(
HDEVINFO DeviceInfoSet,
PSP_DEVINFO_DATA DeviceInfoData,
DWORD Property,
PDWORD PropertyRegDataType,
PBYTE PropertyBuffer,
DWORD PropertyBufferSize,
PDWORD RequiredSize
);
typedef BOOL (WINAPI*SetupDiDestroyDeviceInfoListFunc)(
HDEVINFO DeviceInfoSet
);
/* Other interesting places for info:
@ -232,50 +258,73 @@ GfxInfo::Init()
mDeviceString = displayDevice.DeviceString;
HKEY key, subkey;
LONG result, enumresult;
DWORD index = 0;
WCHAR subkeyname[64];
WCHAR value[128];
DWORD dwcbData = sizeof(subkeyname);
HMODULE setupapi = LoadLibraryW(L"setupapi.dll");
// "{4D36E968-E325-11CE-BFC1-08002BE10318}" is the display class
result = RegOpenKeyExW(HKEY_LOCAL_MACHINE,
L"System\\CurrentControlSet\\Control\\Class\\{4D36E968-E325-11CE-BFC1-08002BE10318}",
0, KEY_QUERY_VALUE | KEY_ENUMERATE_SUB_KEYS, &key);
if (result != ERROR_SUCCESS) {
return rv;
}
if (setupapi) {
SetupDiGetClassDevsWFunc setupGetClassDevs = (SetupDiGetClassDevsWFunc)
GetProcAddress(setupapi, "SetupDiGetClassDevsW");
SetupDiEnumDeviceInfoFunc setupEnumDeviceInfo = (SetupDiEnumDeviceInfoFunc)
GetProcAddress(setupapi, "SetupDiEnumDeviceInfo");
SetupDiGetDeviceRegistryPropertyWFunc setupGetDeviceRegistryProperty = (SetupDiGetDeviceRegistryPropertyWFunc)
GetProcAddress(setupapi, "SetupDiGetDeviceRegistryPropertyW");
SetupDiDestroyDeviceInfoListFunc setupDestroyDeviceInfoList = (SetupDiDestroyDeviceInfoListFunc)
GetProcAddress(setupapi, "SetupDiDestroyDeviceInfoList");
nsAutoString wantedDriverId(mDeviceID);
normalizeDriverId(wantedDriverId);
if (setupGetClassDevs &&
setupEnumDeviceInfo &&
setupGetDeviceRegistryProperty &&
setupDestroyDeviceInfoList) {
/* create a device information set composed of the current display device */
HDEVINFO devinfo = setupGetClassDevs(NULL,
PromiseFlatString(mDeviceID).get(),
NULL,
DIGCF_PRESENT | DIGCF_PROFILE | DIGCF_ALLCLASSES);
while ((enumresult = RegEnumKeyExW(key, index, subkeyname, &dwcbData, NULL, NULL, NULL, NULL)) != ERROR_NO_MORE_ITEMS) {
result = RegOpenKeyExW(key, subkeyname, 0, KEY_QUERY_VALUE, &subkey);
if (result == ERROR_SUCCESS) {
dwcbData = sizeof(value);
result = RegQueryValueExW(subkey, L"MatchingDeviceId", NULL, NULL, (LPBYTE)value, &dwcbData);
if (result == ERROR_SUCCESS) {
nsAutoString matchingDeviceId(value);
normalizeDriverId(matchingDeviceId);
if (wantedDriverId.Find(matchingDeviceId) > -1) {
/* we've found the driver we're looking for */
result = RegQueryValueExW(subkey, L"DriverVersion", NULL, NULL, (LPBYTE)value, &dwcbData);
if (result == ERROR_SUCCESS)
mDriverVersion = value;
result = RegQueryValueExW(subkey, L"DriverDate", NULL, NULL, (LPBYTE)value, &dwcbData);
if (result == ERROR_SUCCESS)
mDriverDate = value;
break;
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);
NS_NAMED_LITERAL_STRING(driverKeyPre, "System\\CurrentControlSet\\Control\\Class\\");
/* enumerate device information elements in the device information set */
while (setupEnumDeviceInfo(devinfo, memberIndex++, &devinfoData)) {
/* get a string that identifies the device's driver key */
if (setupGetDeviceRegistryProperty(devinfo,
&devinfoData,
SPDRP_DRIVER,
NULL,
(PBYTE)value,
sizeof(value),
NULL)) {
nsAutoString driverKey(driverKeyPre);
driverKey += value;
result = RegOpenKeyExW(HKEY_LOCAL_MACHINE, driverKey.BeginReading(), 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", NULL, NULL, (LPBYTE)value, &dwcbData);
if (result == ERROR_SUCCESS)
mDriverVersion = value;
dwcbData = sizeof(value);
result = RegQueryValueExW(key, L"DriverDate", NULL, NULL, (LPBYTE)value, &dwcbData);
if (result == ERROR_SUCCESS)
mDriverDate = value;
RegCloseKey(key);
break;
}
}
}
}
RegCloseKey(subkey);
}
index++;
dwcbData = sizeof(subkeyname);
}
RegCloseKey(key);
setupDestroyDeviceInfoList(devinfo);
}
}
FreeLibrary(setupapi);
}
const char *spoofedDriverVersionString = PR_GetEnv("MOZ_GFX_SPOOF_DRIVER_VERSION");
if (spoofedDriverVersionString) {