Computer graphics processing and selective visual display system – Computer graphic processing system – Plural graphics processors
Patent
1996-05-01
1998-08-25
Tung, Kee M.
Computer graphics processing and selective visual display system
Computer graphic processing system
Plural graphics processors
345519, 345509, G06T 120
Patent
active
057987700
ABSTRACT:
The preferred embodiment discloses a pipelined graphics processor in which the sequence can be dynamically reconfigured (e.g. between primitives) in a rendering sequence. The pipeline sequence can be configured for compliance with specifications such as OpenGL, but may also be optimized by reconfiguring the pipeline sequence to eliminate unnecessary processing. In a preferred embodiment, pixel elimination sequences such as depth and stencil tests are performed before texturing calculations are performed, so that unneeded pixel data is discarded before said texturing calculations are performed.
REFERENCES:
patent: 4866637 (1989-09-01), Gonzalez-Lopez
patent: 5392391 (1995-02-01), Caulk, Jr. et al.
Foley et al., "Computer Graphics, Principles and Practice", 2 ed in C,1996, Chapter 18, pp. 855-920.
Kogge, P.M., "The Microprogramming of Pipelined Processors", 1977, Proc. 4th Ann. Conf Parallel Procesing, IEEE, March, pp. 63-69.
Computer Graphics, vol. 22, No. 4, "A display system for the Stellar graphics Supercomputer Model GS1000". Brian Apgar et al., Aug. 1988.
3DLabs Inc. Ltd.
Anderson Matthew S.
Formby Betty
Groover Robert
Tung Kee M.
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