Patents Represented by Attorney, Agent or Law Firm Kevin J. Zika
  • System, method and article of manufacture for shadow mapping
    Patent number: 6593923
    Abstract: A system, method and article of manufacture are provided for shadow mapping while rendering a primitive in a graphics pipeline. Initially, an offset operation is performed in order to generate a depth value while rendering a primitive. Further, a value of a slope associated with an edge of the primitive is identified. Thereafter, the depth value is conditionally clamped based on the value of the slope.
    Type: Grant
    Filed: August 16, 2000
    Date of Patent: July 15, 2003
    Assignee: Nvidia Corporation
    Inventors: Walter E. Donovan, Liang Peng