Returns true if we're using DirectX 6.0
| 1289 | |
| 1290 | // Returns true if we're using DirectX 6.0 |
| 1291 | bool d3d_UsingDX6() { |
| 1292 | LONG lResult; |
| 1293 | HKEY hKey = NULL; |
| 1294 | int dx_version = 0; |
| 1295 | |
| 1296 | lResult = RegOpenKeyEx(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\DirectX", NULL, KEY_QUERY_VALUE, &hKey); |
| 1297 | |
| 1298 | if (lResult == ERROR_SUCCESS) { |
| 1299 | char version[32]; |
| 1300 | DWORD dwType, dwLen; |
| 1301 | |
| 1302 | dwLen = 32; |
| 1303 | lResult = RegQueryValueEx(hKey, "Version", NULL, &dwType, (uint8_t *)version, &dwLen); |
| 1304 | |
| 1305 | if (lResult == ERROR_SUCCESS) { |
| 1306 | dx_version = atoi(strstr(version, ".") + 1); |
| 1307 | } else { |
| 1308 | int val; |
| 1309 | DWORD dwType, dwLen; |
| 1310 | |
| 1311 | dwLen = 4; |
| 1312 | lResult = RegQueryValueEx(hKey, "InstalledVersion", NULL, &dwType, (uint8_t *)&val, &dwLen); |
| 1313 | |
| 1314 | if (lResult == ERROR_SUCCESS) { |
| 1315 | |
| 1316 | dx_version = val; |
| 1317 | } |
| 1318 | |
| 1319 | RegCloseKey(hKey); |
| 1320 | } |
| 1321 | } |
| 1322 | |
| 1323 | if (dx_version >= 6) |
| 1324 | return true; |
| 1325 | |
| 1326 | return false; |
| 1327 | } |
| 1328 | |
| 1329 | // Sets up our Direct3D rendering context |
| 1330 | // Returns 1 if ok, 0 if something bad |