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Unique primitive identifier generation

  • US 9,177,413 B2
  • Filed: 06/26/2013
  • Issued: 11/03/2015
  • Est. Priority Date: 06/26/2013
  • Status: Active Grant
First Claim
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1. A method of generating identifiers, comprising:

  • receiving a specified scope;

    receiving geometry for a three-dimensional (3D) graphics scene; and

    during a first processing pass of the geometry for the 3D graphics scene by a graphics processing unit;

    generating a primitive identifier for each primitive of a particular type, wherein each of the primitive identifiers within the specified scope does not equal another primitive identifier among all primitives of the particular type that are also within the specified scope; and

    generating a multi-sample geometry buffer comprising at least two samples per pixel that stores one of the primitive identifiers for each sample covered by at least one of the primitives.

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