-#define VENDOR_ID_AMD 4098
-#define VENDOR_ID_NV 4318
-#define VENDOR_ID_APPLE_INTEL 4294967295
-#define VENDOR_ID_APPLE_IRIS 16925952
-#define VENDOR_ID_GENERIC 9999
+#define VENDOR_ID_AMD (1 << 0)
+#define VENDOR_ID_APPLE (1 << 1)
+#define VENDOR_ID_INTEL_BEIGNET (1 << 2)
+#define VENDOR_ID_INTEL_SDK (1 << 3)
+#define VENDOR_ID INTEL (1 << 4)
+#define VENDOR_ID_MESA (1 << 5)
+#define VENDOR_ID_NV (1 << 6)
+#define VENDOR_ID_POCL (1 << 7)
+#define VENDOR_ID_GENERIC (1 << 31)