A method and apparatus for transferring pixel data stored in a memory circuit

A method and apparatus for transferring pixel data stored in a memory circuit

A graphics controller circuit for transferring pixel data of a source area to a destination area in a memory implementing a tiled scheme for storing pixel data. The destination area may be divided into a plurality of destination sub-areas defined by X and Y tile boundaries, and source pixel data cor...

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Bibliographische Detailangaben
Hauptverfasser: HOLMES, JEFFREY MICHAEL, HASZ, VERNON DENNIS, OWEN, RICHARD CHARLES ANDREW, MAY, BRADLEY ANDREW, LINSTAD, LAUREN EMORY, BONNELYCKE, MARK EMIL, MILLS, KARL SCOTT
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
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Beschreibung
Zusammenfassung:A graphics controller circuit for transferring pixel data of a source area to a destination area in a memory implementing a tiled scheme for storing pixel data. The destination area may be divided into a plurality of destination sub-areas defined by X and Y tile boundaries, and source pixel data corresponding to each of the destination sub-areas may be transferred in a series of block transfers. As pixel data stored in each block transfer may be located within a tile, the amount of time required to store the pixel data may be minimized.