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Deferred shading graphics pipeline processor having advanced features

  • US 7,808,503 B2
  • Filed: 12/19/2006
  • Issued: 10/05/2010
  • Est. Priority Date: 08/20/1998
  • Status: Expired due to Term
First Claim
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1. A deferred graphics pipeline processor comprising:

  • a geometry unit configured to receive primitive data related to a vertex on a surface and output a data stream in response thereto;

    a mode extraction unit configured to receive the data stream from the geometry unit and separate the data stream into spatial data and non-spatial data;

    a sorting unit configured to receive the spatial data from the mode extraction unit for storage;

    a multi-buffered polygon memory configured to receive the non-spatial data from the mode extraction unit for storage; and

    a mode injection unit configured to retrieve at least a portion of the non-spatial data from the polygon memory and output retrieved non-spatial data;

    whereinthe mode injection unit is associated with at least one cache to determine whether the retrieved non-spatial data is cached, andthe mode injection unit is operative to read the non-spatial data previously stored in a first frame simultaneously while the mode extraction unit is operative to store the non-spatial data in a second frame.

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