ATI Technologies FIRE GL1 User's Guide download pdf (Page 52)

Line Drawing

This is a hardware function of the graphics processor chip. The CPU supplies only

the starting and ending coordinates of a line. The graphics processor then does the

rest of the work drawing the line.

Luminance

Portion of a video signal corresponding to brightness value - essentially the black-

and-white foundation of a color video picture.

MDA

IBM Monochrome Display Adapter.

Monochrome Display

Monitor that displays information in one color only; sometimes called a black &

white display.

Morphing

Special effect in which one shape is gradually transformed into another.

Multi-frequency Monitor

Type of monitor that supports a wide range of horizontal scanning frequencies and

vertical refresh frequencies. This type of monitor accepts inputs from many different

video display adapters.

OpenGL™

3D software interface (3D API) for Windows NT and Windows 95 licensed from

Microsoft and based on Iris GL from Silicon Graphics. The OpenGL gaming sub-set is

part of the OpenGL instructions.

Overlay Planes

Overlay planes can be thought of as a layer on top of the graphics planes where

additional information can be displayed. Since the information in the overlay planes is

separate from the graphics planes, they can be used to increase your rendering

performance. While additional information (like a user-interface menu) in the overlay

plane changes, you do not have to re-render the image in the graphics plane.

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ATI Technologies FIRE GL1 User's Guide Page 52