Display Driver Catalog Items and Sysgen Variables (Compact 7)
3/12/2014
In Windows Embedded Compact, you can implement support for connecting a display screen to the Windows Embedded Compact powered device by adding a display driver to your OS.
For more information, see Display Drivers.
For more information about how to add or remove catalog items, see Design Your First OS.
Hardware and Software Requirements
- Requires a display screen.
Catalog Items and Sysgen Variables
The following table describes the catalog items and associated SYSGEN variables you can use to add support for display drivers to your OS.
| Catalog item | BSP environment variable or SYSGEN variable | Description | Dependencies |
|---|---|---|---|
ATI Rage XL Expert 98 |
BSP_DISPLAY_RAGEXL |
Provides the ATI Rage XL (Expert 98) display driver with Microsoft DirectDraw support and hardware acceleration. Supports monochrome cursors in hardware and supports color cursors up to 64x64 bits in software. |
Requires SYSGEN_DISPLAY. To support displaying UI on multiple monitors, also requires SYSGEN_MULTIMON. For more information, see Multiple Screens Catalog Items and Sysgen Variables. |
Display Support |
SYSGEN_DISPLAY |
Provides support for display drivers. |
None. |
NULL (Stub) |
BSP_DISPLAY_NOP |
Provides the display driver with stubbed functions. |
Requires SYSGEN_DISPLAY. |
VGA Linear (Flat) Framebuffer |
BSP_DISPLAY_FLAT |
Provides a generic display driver for any display card that is VESA BIOS 2.0-compliant. This driver can be used with a CEPC. Supports color cursors in software. |
Requires SYSGEN_DISPLAY. |