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Graphics system with multiported pixel buffers for accelerated pixel processing

  • US 6,195,106 B1
  • Filed: 01/06/2000
  • Issued: 02/27/2001
  • Est. Priority Date: 05/03/1994
  • Status: Expired due to Term
First Claim
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1. A frame buffer memory, comprising:

  • a plurality of memory banks configured to store pixel data that is displayable to form an image on a display device;

    one or more video buffers, wherein each video buffer is coupled to two or more of said plurality of memory banks;

    a selection unit configured to select one of said video buffers for output to an external video bus;

    a pixel buffer coupled to said plurality of memory banks; and

    a pixel ALU coupled to receive pixel data from said pixel buffer and from an external rendering bus, wherein said pixel ALU is configured to perform a pixel processing function on the pixel data, wherein said memory banks, said video buffers, said selection unit, said pixel buffer, and said pixel ALU are all part of a single chip.

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