Method and apparatus for graphics pipeline context switching in

Details Method and apparatus for graphics pipeline context switching in Method and apparatus for graphics pipeline context switching in

1992-06-18

1993-06-29

Shaw, Dale M.

395162, 395163, G06F 1520

Patent

active

052242102

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.

REFERENCES:
patent: 4847755 (1989-07-01), Morrison et al.
patent: 4903218 (1990-02-01), Longo et al.
patent: 4970636 (1990-11-01), Snodgrass et al.

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