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Merge pull request #110268 from bruvzg/devid_reg

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[Windows] Try reading GPU IDs directly from registry.
This commit is contained in:
Thaddeus Crews 2025-09-17 11:34:10 -05:00
commit 4676d73a1a
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GPG key ID: 8C6E5FEB5FC03CCC
1 changed files with 87 additions and 3 deletions
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90
platform/windows/display_server_windows.cpp
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@ -6642,7 +6642,80 @@ GetImmersiveColorFromColorSetExPtr DisplayServerWindows::GetImmersiveColorFromCo
GetImmersiveColorTypeFromNamePtr DisplayServerWindows::GetImmersiveColorTypeFromName = nullptr;
GetImmersiveUserColorSetPreferencePtr DisplayServerWindows::GetImmersiveUserColorSetPreference = nullptr;
Vector2i _get_device_ids(const String &p_device_name) {
Vector2i _get_device_ids_reg(const String &p_device_name) {
Vector2i out;
String subkey = "SYSTEM\\CurrentControlSet\\Control\\Class\\{4d36e968-e325-11ce-bfc1-08002be10318}";
HKEY hkey = nullptr;
LSTATUS result = RegOpenKeyExW(HKEY_LOCAL_MACHINE, (LPCWSTR)subkey.utf16().get_data(), 0, KEY_READ, &hkey);
if (result != ERROR_SUCCESS) {
return Vector2i();
}
DWORD subkeys = 0;
result = RegQueryInfoKeyW(hkey, nullptr, nullptr, nullptr, &subkeys, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr);
if (result != ERROR_SUCCESS) {
RegCloseKey(hkey);
return Vector2i();
}
for (DWORD i = 0; i < subkeys; i++) {
WCHAR key_name[MAX_PATH] = L"";
DWORD key_name_size = MAX_PATH;
result = RegEnumKeyExW(hkey, i, key_name, &key_name_size, nullptr, nullptr, nullptr, nullptr);
if (result != ERROR_SUCCESS) {
continue;
}
String id = String::utf16((const char16_t *)key_name, key_name_size);
if (!id.is_empty()) {
HKEY sub_hkey = nullptr;
result = RegOpenKeyExW(HKEY_LOCAL_MACHINE, (LPCWSTR)(subkey + "\\" + id).utf16().get_data(), 0, KEY_QUERY_VALUE, &sub_hkey);
if (result != ERROR_SUCCESS) {
continue;
}
WCHAR buffer[4096];
DWORD buffer_len = 4096;
DWORD vtype = REG_SZ;
if (RegQueryValueExW(sub_hkey, L"DriverDesc", nullptr, &vtype, (LPBYTE)buffer, &buffer_len) != ERROR_SUCCESS || buffer_len == 0) {
buffer_len = 4096;
if (RegQueryValueExW(sub_hkey, L"HardwareInformation.AdapterString", nullptr, &vtype, (LPBYTE)buffer, &buffer_len) != ERROR_SUCCESS || buffer_len == 0) {
RegCloseKey(sub_hkey);
continue;
}
}
String driver_name = String::utf16((const char16_t *)buffer, buffer_len).strip_edges();
if (driver_name == p_device_name) {
String driver_id;
buffer_len = 4096;
if (RegQueryValueExW(sub_hkey, L"MatchingDeviceId", nullptr, &vtype, (LPBYTE)buffer, &buffer_len) == ERROR_SUCCESS && buffer_len != 0) {
driver_id = String::utf16((const char16_t *)buffer, buffer_len).strip_edges();
Vector<String> id_parts = driver_id.to_lower().split("&");
for (const String &id_part : id_parts) {
int ven_off = id_part.find("ven_");
if (ven_off >= 0) {
out.x = id_part.substr(ven_off + 4).hex_to_int();
}
int dev_off = id_part.find("dev_");
if (dev_off >= 0) {
out.y = id_part.substr(dev_off + 4).hex_to_int();
}
}
RegCloseKey(sub_hkey);
break;
}
}
RegCloseKey(sub_hkey);
}
}
RegCloseKey(hkey);
return out;
}
Vector2i _get_device_ids_wmi(const String &p_device_name) {
if (p_device_name.is_empty()) {
return Vector2i();
}
@ -6704,6 +6777,14 @@ Vector2i _get_device_ids(const String &p_device_name) {
return ids;
}
Vector2i _get_device_ids(const String &p_device_name) {
Vector2i out = _get_device_ids_reg(p_device_name);
if (out == Vector2i()) {
out = _get_device_ids_wmi(p_device_name);
}
return out;
}
bool DisplayServerWindows::is_dark_mode_supported() const {
return ux_theme_available;
}
@ -6824,9 +6905,12 @@ DisplayServerWindows::DisplayServerWindows(const String &p_rendering_driver, Win
os_ver.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
HMODULE nt_lib = LoadLibraryW(L"ntdll.dll");
bool is_wine = false;
if (nt_lib) {
WineGetVersionPtr wine_get_version = (WineGetVersionPtr)(void *)GetProcAddress(nt_lib, "wine_get_version"); // Do not read Windows build number under Wine, it can be set to arbitrary value.
if (!wine_get_version) {
if (wine_get_version) {
is_wine = true;
} else {
RtlGetVersionPtr RtlGetVersion = (RtlGetVersionPtr)(void *)GetProcAddress(nt_lib, "RtlGetVersion");
if (RtlGetVersion) {
RtlGetVersion(&os_ver);
@ -7072,7 +7156,7 @@ DisplayServerWindows::DisplayServerWindows(const String &p_rendering_driver, Win
}
bool gl_supported = true;
if (fallback && (rendering_driver == "opengl3")) {
if (fallback && !is_wine && (rendering_driver == "opengl3")) {
Dictionary gl_info = detect_wgl();
bool force_angle = false;