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Architecture and apparatus for image generation

  • US 5,388,206 A
  • Filed: 11/13/1992
  • Issued: 02/07/1995
  • Est. Priority Date: 11/13/1992
  • Status: Expired due to Fees
First Claim
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1. An image generation system, comprising:

  • (a) a plurality of geometry processors for receiving primitives and translating said primitives to screen coordinates to provide primitive screen data; and

    ,(b) a rasterizer associated with each of said geometry processors for computing pixel values from said primitive screen data, said rasterizer comprising an enhanced memory device, said enhanced memory device corresponding to a selected set of screen coordinates,(i) said enhanced memory device having for each of said selected screen coordinates,processing means for computing pixel values to provide a computed pixel value,storage means associated with each of said processing means for storing data, and,a compositor buffer associated with each of said processing means for storing said computed pixel value, and(ii) said enhanced memory device further having,input means for receiving pixel values from a corresponding enhanced memory device associated with a different one of said plurality of geometry processors,compositor means for compositing said stored computed pixel value and the pixel value received by said input means to determine a composited pixel value; and

    output means operably associated with said compositor means for outputting said composited pixel value.

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