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Compressing and decompressing graphics data using gosub-type instructions and direct and indirect attribute settings

  • US 6,559,842 B1
  • Filed: 10/07/1999
  • Issued: 05/06/2003
  • Est. Priority Date: 06/14/1999
  • Status: Expired due to Term
First Claim
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1. A computer software program embodied on a computer-readable medium, wherein the computer software program comprises a plurality of instructions, wherein the plurality of instructions are configured to:

  • receive a set of 3D geometry data including a plurality of vertices;

    compress the set of 3D geometry data into a plurality of blocks;

    encode direct attribute instructions in the blocks, wherein the direct attribute instructions comprise attribute state information; and

    encode indirect attribute instructions in the blocks, wherein the indirect attribute instructions comprise an indirect reference to the attribute state information;

    wherein the attribute state information is usable during decompression to set the attributes of the vertices.

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