Methods and apparatus for graphics pipeline relative addressing in a multi-tasking windows system
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United States of America Patent
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May 30, 1995
Issued Date -
N/A
app pub date -
Mar 16, 1993
filing date -
Jul 28, 1989
priority date (Note) -
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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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