D3DENUM

Driver capability flag.

#defineValueDescription
D3DENUM_WHQL_LEVEL0x00000002L

Microsoft Windows Hardware Quality Labs (WHQL) driver testing. This is a time-consuming test requiring a one-second or two-second time penalty. This constant is used by the WHQLLevel member of D3DADAPTER_IDENTIFIER9.

Differences between Direct3D 9 and Direct3D 9Ex:D3DENUM_WHQL_LEVEL is deprecated for Direct3D9Ex running on Windows Vista, Windows Server 2008, Windows 7, and Windows Server 2008 R2 (or more current operating system). Any of these operating systems return 1 for the WHQL level without checking the status of the driver.

 

 

Constant Information

Headerd3d9.h
Minimum operating systemWindows 98

 

Related topics

Direct3D Constants

 

 

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