Efficient rendering of similar objects in a...

Details Efficient rendering of similar objects in a... Efficient rendering of similar objects in a...

2007-04-24

2007-04-24

Nguyen, Phu K. (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

C345S419000, C345S423000, C345S426000, C382S276000

Reexamination Certificate

active

11031962

ABSTRACT:
Multiple instances of a single object are aggregated and submitted collectively to a graphics API for rendering. Vertices of the object are replicated into a large buffer and are modified so as to be bound to different transformation matrices in a matrix palette. An index buffer of the object is similarly replicated. Each replicated index buffer is modified to refer to vertices of a different, respective set of replicated vertices. Thus, the large vertex and index buffers are initialized to contain multiple, distinct, and independent copies of the object. Instancing logic aggregates matrix palettes of individual instances of the same object into an aggregated matrix palette and sends the aggregated vertex and index buffers of the object along with the accumulated aggregated matrix palette to the graphics API for rendering. The graphics API resolves the aggregated vertex and index buffers and matrix palette to a collection of triangles in display coordinates to be rasterized, not knowing or caring that the collection of triangles represent not one object but many objects.

REFERENCES:
patent: 5870097 (1999-02-01), Snyder et al.
patent: 6697064 (2004-02-01), Kilgard et al.
patent: 6717576 (2004-04-01), Duluk et al.
patent: 7015909 (2006-03-01), Morgan, III et al.
patent: 7120311 (2006-10-01), Snyder

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