Method, system, and computer program product for blending...

Details Method, system, and computer program product for blending... Method, system, and computer program product for blending...

2007-11-13

2007-11-13

Tung, Kee M. (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Attributes

C345S592000

Reexamination Certificate

active

10425735

ABSTRACT:
Methods, systems, and computer program products for blending textures used to render computer generated images are provided. In an embodiment of the invention, a MIP-mapped mask texture is constructed. Each MIP-level of the MIP-mapped mask texture includes texels representative of different mask information. The MIP-mapped mask texture is sampled during rendering to obtain mask information. The obtained mask information is used to blend between textures. The invention is used to blend, for example, between multiple textures wherein, zero, one, or more of the textures are MIP-mapped and/or between different levels of one or more three-dimensional textures. In an embodiment, the most appropriate texture amongst multiple textures, each providing coverage at different resolutions, is selected for a fragment being rendered, thereby avoiding texture scintillation.

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