The following  2D capability controls have been implemented in driver.

A DWORD KEY  \\LocalMachine\software\Silicon Motion Inc.\DriverCaps\Caps2D.
 
DeviceBitmapOn  equ           1h
StretchDibOn    equ             2h
SolidPolylineOn equ     10000h
StylePolylineOn equ     20000h
RectangleOn     equ     40000h
RndRectangleOn  equ     80000h
EllipseOn       equ    100000h
CircleOn        equ    200000h
PolygonOn       equ    400000h

