Computer graphics processing and selective visual display system – Computer graphic processing system
Patent
1995-05-01
1998-09-01
Bayerl, Raymond J.
Computer graphics processing and selective visual display system
Computer graphic processing system
345526, 345420, G06F 1500
Patent
active
058017143
ABSTRACT:
A device is provided for managing vertex lists. In particular, in one embodiment, the device permits management of the communication, in a digital computing system having a graphics processor, of a sequence of data records associated with successive vertices. The vertex data are typically used for drawing polyline figures or triangular mesh, or other figures using coordinates. Each record includes at least one floating point value that provides at least a first datum associated with a vertex. The device comprises an arrangement for placing the sequence of data records in a data stream, as well as an arrangmement for placing at the end of the data stream a data record in which the floating point value providing the first datum is set to a value corresponding to Not a Number. In this manner it can be established when the sequence of records is complete without the need for any extra control bits. Related methods are also provided.
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Bayerl Raymond J.
Intergraph Corporation
Nguyen Cao H.
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