Computer graphics processing and selective visual display system – Computer graphics processing – Attributes
Reexamination Certificate
2007-12-11
2007-12-11
Tung, Kee M. (Department: 2628)
Computer graphics processing and selective visual display system
Computer graphics processing
Attributes
C345S582000, C345S427000, C345S419000
Reexamination Certificate
active
11106673
ABSTRACT:
A graphics system including a custom graphics and audio processor produces exciting 2D and 3D graphics and surround sound. The system includes a graphics and audio processor including a 3D graphics pipeline and an audio digital signal processor. Emboss style effects are created using fully pipelined hardware including two distinct dot-product computation units that perform a scaled model view matrix multiply without requiring the Normal input vector and which also compute dot-products between the Binormal and Tangent vectors and a light direction vector in parallel. The resulting texture coordinate displacements are provided to texture mapping hardware that performs a texture mapping operation providing texture combining in one pass. The disclosed pipelined arrangement efficiently provides interesting embossed style image effects such as raised and lowered patterns on surfaces.
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Demers Eric
Leather Mark M.
Segal Mark G.
Harrison Chante
Nintendo Co. Ltd.
Tung Kee M.
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