Patents Assigned to Broadizon, Inc.
  • Method and apparatus for accelerating occlusion culling in a graphics computer
    Patent number: 6930684
    Abstract: A method for accelerating occlusion culling in a graphics computer is disclosed. A depth test is performed on a fragment for a first time to determine if the fragment is visible. The fragment can be marked as potentially visible if the depth test concluded that the fragment is visible. Subsequently, the depth test is performed on the fragment for a second time to determine if the fragment is visible. If the depth test concludes that the fragment is visible, graphics processing for the fragment can be stopped at this point.
    Type: Grant
    Filed: September 27, 2002
    Date of Patent: August 16, 2005
    Assignee: Broadizon, Inc.
    Inventor: Kat-Fung Tjew
  • Method and apparatus for accelerating occlusion culling in a graphics computer
    Publication number: 20040061699
    Abstract: A method for accelerating occlusion culling in a graphics computer is disclosed. A depth test is performed on a fragment for a first time to determine if the fragment is visible. The fragment can be marked as potentially visible if the depth test concluded that the fragment is visible. Subsequently, the depth test is performed on the fragment for a second time to determine if the fragment is visible. If the depth test concludes that the fragment is visible, graphics processing for the fragment can be stopped at this point.
    Type: Application
    Filed: September 27, 2002
    Publication date: April 1, 2004
    Applicant: Broadizon, Inc.
    Inventor: Kat-Fung Tjew