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Light Map Compression

  • US 20070200848A1
  • Filed: 01/24/2006
  • Published: 08/30/2007
  • Est. Priority Date: 01/24/2006
  • Status: Active Grant
First Claim
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1. One or more device-readable media encoded with device-executable instructions for performing steps comprising:

  • identifying a surface associated with a graphical rendering environment;

    calculating frequencies associated with areas of the surface, each frequency representing complexity of features in the associated area;

    dividing the surface into regions based, at least in part, on the calculated frequencies;

    allocating a sampling rate to each region based, at least in part, on the frequency corresponding to the region;

    sampling lighting data in each region with the allocated sampling rate; and

    creating a light map associated with the surface based, at least in part, on the sampled lighting data.

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