Importance

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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. Textured surfaces are created using indirect texture tiling. A set of direct and indirect texture coordinates are defined. The indirect coordinates are used in an indirect lookup operation in an indirect tile index map to obtain tile select offsets. The offsets are used to modify the direct texture coordinates, and the modified texture coordinates are then used to obtain a texture tile from a tile definitions map. The selected tile is then displayed. In another embodiment, the offsets are biased and combined with the direct texture coordinates to produce a second set of modified texture coordinates. The second set is used to obtain a second texture tile from the tile definitions map. The two selected tiles are then blended together to provide a synthetic texture tile having a pseudo-3D effect.

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First Claim