The DirectDraw documentation assumes that under Windows 2000 and later, the DirectDraw driver is part of the display driver. The DirectDraw driver can be part of the display driver or a separate DLL that communicates with the display driver through a private interface defined by the driver writer. Under Windows 2000 and later, the DirectDraw driver is always implemented as 32-bit code. Applications never call the display driver directly. DirectDraw exposes methods to the application and uses the DirectDraw portion of the display driver to work directly with the hardware. The DirectDraw driver is a device-specific interface usually provided by the display hardware manufacturer. DirectDraw provides device independence through the DirectDraw driver.
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