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Variable fragment shading with surface recasting

  • US 9,355,483 B2
  • Filed: 07/19/2013
  • Issued: 05/31/2016
  • Est. Priority Date: 07/19/2013
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • generating shaded samples that are covered by a primitive fragment at a first shading rate using a first sampling mode;

    storing the shaded samples in a target buffer that is associated with the first sampling mode and the first shading rate, wherein the target buffer represents a first pixel resolution;

    receiving a second primitive fragment;

    decreasing the first shading rate to produce a second shading rate;

    determining a second sampling mode;

    recasting the target buffer to represent a second pixel resolution based on the second sampling mode, wherein the second pixel resolution is lower than the first pixel resolution;

    generating additional shaded samples that are covered by the second primitive fragment at the second shading using the second sampling mode; and

    storing the additional shaded samples in the target buffer.

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