Methods and apparatus for graphics pipeline relative addressing

Details Methods and apparatus for graphics pipeline relative addressing Methods and apparatus for graphics pipeline relative addressing

Filed on

1993-03-16

Date issued

1995-05-30

Examiner

Powell, Mark R.

Other Related Categories

395162, 395166, G06F 1562

Type

Patent

Status

active

Patent number

054209803

Description

ABSTRACT:
Graphics window systems which utilize graphics pipelines and graphics pipeline bypass buses. Hardware solutions for window relative rendering of graphics primitives, block moving of graphics primitives, transfer of large data blocks, and elimination of pipeline flushing are disclosed. The hardware implementations provided in accordance with the invention are interfaced along the pipeline bypass bus, thereby eliminating gross overhead processor time for the graphics pipeline and reducing pipeline latency. Methods and apparatus provided in accordance with the invention exhibit significant pipeline efficiency and reductions in time to render graphics primitives to the screen system.

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Voorhies et al., "Virtual Graphics", Computer Graphics, vol. 22, No. 4, pp. 247-253 (Aug. 1988).
IEEE Computer Graphics, vol. 23, No. 3, Jul. 1989 "Hardware Acceleration for Window Systems" by Rhoden et al.
The Visual Computer, International Journal of Computer Graphics, vol. 3 #3, 1987, "Real Time Virtual Window Management for Bit Mapped Raster Graphics" by Sener et al, pp. 162-169.

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