System and method for pixel data row forwarding in a 3-D graphics pipeline
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United States of America Patent
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Jan 11, 2011
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app pub date -
May 14, 2004
filing date -
May 14, 2004
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Abstract
A system and method for a row forwarding of pixel data in a 3-D graphics pipeline. Specifically, in one embodiment a data write unit capable of row forwarding in a graphics pipeline includes a first memory and logic. The first memory stores a plurality of rows of pixel information associated with a pixel. The plurality of rows of pixel information includes data related to surface characteristics of the pixel and includes a first row, e.g., a front row, and a second row, e.g., a rear row. A data write unit includes first logic for accessing a portion of the second row and for storing data accessed therein into a portion of the first row. The data write unit also comprises logic for recirculating the plurality of rows of pixel information to an upstream pipeline module for further processing thereof.
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