Method and system for the acceleration of graphics images in a m

Details Method and system for the acceleration of graphics images in a m Method and system for the acceleration of graphics images in a m

Filed on

1995-10-02

Date issued

1998-03-10

Examiner

Powell, Mark R.

Patent Class

Computer graphics processing and selective visual display system

SubClass

Display driving control circuitry

SubSubClass

Controlling the condition of display elements

Other Related Categories

395515, 345200, G06F 1516

Type

Patent

Status

active

Patent number

057271909

Description

ABSTRACT:
A method and system for accelerating graphics images in a computer system comprises encoding a first value information into an address signal from a CPU within the computer system and then encoding a second value information into the data signal from the CPU within the computer system. By encoding the information in this manner the location of the graphics data is unimportant. Hence, an address space of the memory can be utilized as the accelerator. In one aspect of the present invention, a span of a particular scan-line can be encoded in the address signal and the row and color information of the scan-line can be encoded in the data signal. In another embodiment, the span of a particular scan-line can be encoded in the address signal and the row, color information and intensity value information can be encoded into the data signal. The method and system uses to advantage that the main memory of the computer system has a large area which can be configured as an addressable space when rendering graphic images. Accordingly, graphics images can be rendered more quickly with minimal additional software and hardware overhead.

REFERENCES:
patent: 5127098 (1992-06-01), Rosenthal et al.
patent: 5249264 (1993-09-01), Matsumoto
patent: 5307449 (1994-04-01), Kelley et al.
patent: 5623692 (1997-04-01), Priem et al.

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