Texture roaming via dimension elevation

Computer graphics processing and selective visual display system – Computer graphics processing – Attributes

Reexamination Certificate

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Details

C345S428000, C345S587000, C345S620000

Reexamination Certificate

active

07012614

ABSTRACT:
The present invention provides texture roaming via dimension elevation. A degree elevated texture is used to contain level of detail (LOD) levels (or tiles) of a clip-map across a degree elevated coordinate space. For example, a three-dimensional (3D) texture is used for two-dimensional (2D) clip-mapping, a four-dimensional (4D) texture is used for 3D clip-mapping, and a 2D texture is used for one-dimensional (1D) clip-mapping. Once the levels of a clip-map are placed in an extra dimension coordinate space, the extra dimension texture coordinate value can be computed based on clip-mapping rules.

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Hakura et al., “The Design and Analysis of a Cache Architecture for Texture Mapping,” ISCA '97, Denver, CO (1997), pp. 108-120.

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