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Abstract

This invention discloses an apparatus and a method for a primitive filter. The primitive filter apparatus is used in graphic process and is applied in Graphic Process Unit. The primitive filter apparatus at least comprises a storage unit and a filter unit. The storage unit stores a plurality of input primitives. The filter unit couples to the storage unit and processes the stored of the plurality of input primitives, the function of the filter unit 32 is to drop or select the stored of the plurality of input primitives based on at least one predetermination. The storage unit further comprises a controller and a data buffer. The filter unit comprises an arithmetic logic unit and a determination unit. The at least one predetermination is a condition: the primitive filter apparatus drops the stored of the plurality of input primitives if does not cover any pixels. The primitive filtering method comprises the step of: providing a stored of a plurality of input primitives into the primitive filter apparatus for dropping or selecting based on at least one predetermination, dropping the stored of the plurality of input primitives from the primitive filter apparatus if the at least one predetermination is not met or selecting the plurality of input primitives from the primitive filter apparatus if the at least one predetermination is met.

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First Claim