Function LoadDeviceRegistry

vkconfig_core/registry.cpp:85–115

Look for device specific layers

/// Look for device specific layers
static void LoadDeviceRegistry(DEVINST id, const QString &entry, std::vector<Path> &layers_paths) {
    HKEY key;
    if (CM_Open_DevNode_Key(id, KEY_QUERY_VALUE, 0, RegDisposition_OpenExisting, &key, CM_REGISTRY_SOFTWARE) != CR_SUCCESS) return;

    DWORD path_size;
    if (RegQueryValueExW(key, (LPCWSTR)entry.utf16(), nullptr, nullptr, nullptr, &path_size) != ERROR_SUCCESS) {
        RegCloseKey(key);
        return;
    }

    DWORD data_type;
    wchar_t *path = new wchar_t[path_size];
    if (RegQueryValueExW(key, (LPCWSTR)entry.utf16(), nullptr, &data_type, (LPBYTE)path, &path_size) != ERROR_SUCCESS) {
        delete[] path;
        RegCloseKey(key);
        return;
    }

    if (data_type == REG_SZ || data_type == REG_MULTI_SZ) {
        for (wchar_t *curr_filename = path; curr_filename[0] != '\0'; curr_filename += wcslen(curr_filename) + 1) {
            layers_paths.push_back(QString::fromWCharArray(curr_filename).toStdString());

            if (data_type == REG_SZ) {
                break;
            }
        }
    }

    delete[] path;
    RegCloseKey(key);
}

/// This is for Windows only. It looks for device specific layers in the Windows registry.
std::vector<Path> LoadRegistrySystemLayers(const char *input_path) {