1    type Result =
2        | Success = 0
3        | NotReady = 1
4        | Timeout = 2
5        | EventSet = 3
6        | EventReset = 4
7        | Incomplete = 5
8        | ErrorOutOfHostMemory = -1
9        | ErrorOutOfDeviceMemory = -2
10       | ErrorInitializationFailed = -3
11       | ErrorDeviceLost = -4
12       | ErrorMemoryMapFailed = -5
13       | ErrorLayerNotPresent = -6
14       | ErrorExtensionNotPresent = -7
15       | ErrorFeatureNotPresent = -8
16       | ErrorIncompatibleDriver = -9
17       | ErrorTooManyObjects = -10
18       | ErrorFormatNotSupported = -11
19       | ErrorFragmentedPool = -12
20       | ErrorOutOfPoolMemory = -1000069000
21       | ErrorInvalidExternalHandle = -1000072003
22       | ErrorSurfaceLostKhr = -1000000000
23       | ErrorNativeWindowInUseKhr = -1000000001
24       | SuboptimalKhr = 1000001003
25       | ErrorOutOfDateKhr = -1000001004
26       | ErrorIncompatibleDisplayKhr = -1000003001
27       | ErrorValidationFailedExt = -1000011001
28       | ErrorInvalidShaderNv = -1000012000
29       | ErrorInvalidDrmFormatModifierPlaneLayoutExt = -1000158000
30       | ErrorFragmentationExt = -1000161000
31       | ErrorNotPermittedExt = -1000174001
32       | ErrorInvalidDeviceAddressExt = -1000244000
33       | ErrorFullScreenExclusiveModeLostExt = -1000255000
34       | ErrorOutOfPoolMemoryKhr = ErrorOutOfPoolMemory
35       | ErrorInvalidExternalHandleKhr = ErrorInvalidExternalHandle
36