The OS/2 Version 3 DIVE Display Engine is a single, system-level API that enables efficient transfer of data to video memory with clipping, scaling and color translation. The Display Engine exports the following functions:

• Query for display capabilities

• Open instance

• Visible region specification

• Allocation of image data buffers

• Buffer to screen/buffer-to-buffer transfer (blitter) setup

• bit CLUT color palette simulation/specification

• Transfer buffer-to-image display/transfer buffer-to-buffer

• Utillity functions useful for direct access, including window starting address calculation

• Frame buffer acquire/deacquire

• VRAM bank selection (for bank-switched displays)

• Close instance