Required Display Driver Functions
The list of functions that all graphics drivers must implement is in Required Graphics Driver Functions. In addition to these functions, display drivers must also implement the following functions:
| DrvGetModes | Lists the modes supported by a specified hardware device. |
| DrvAssertMode | Resets the video mode for a specified hardware device. |
| DrvDitherColor | Requests a device to create a brush dithered against a device palette. |