Computer graphics processing and selective visual display system – Computer graphics processing – Attributes
Reexamination Certificate
2006-11-27
2008-01-08
Wang, Jin-Cheng (Department: 2628)
Computer graphics processing and selective visual display system
Computer graphics processing
Attributes
C345S546000, C345S506000
Reexamination Certificate
active
07317459
ABSTRACT:
A graphics processor includes an embedded frame buffer for storing frame data prior to sending the frame data to an external location, such as main memory. A copy pipeline is provided which converts the data from one format to another format prior to writing the data to the external location. The conversion may be from one RGB color format to another RGB color format, from one YUV format to another YUV format, from an RGB color format to a YUV color format, or from a YUV color format to an RGB color format. MPEG image data initially stored in main memory in a YUV format as a texture is transferred to the embedded frame buffer prior to initiating a copy-out process via the copy pipeline from the embedded frame buffer to an external frame buffer in main memory. During the copy-out process, pixels are converted from YUV format to an RGB format. A new texture image containing MPEG image data is placed in the embedded frame buffer prior to each successive copy out process operation so as to produce a streaming video image as a surface texture on at least a portion of a displayed object image.
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Cheng Howard
Fouladi Farhad
Leather Mark M.
Moore Robert
Van Hook Timothy J.
Nintendo Co. Ltd.
Nixon & Vanderhye P.C.
Wang Jin-Cheng
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