Computer graphics processing and selective visual display system – Computer graphics processing – Shape generating
Reexamination Certificate
2005-01-11
2005-01-11
Tung, Kee M. (Department: 2676)
Computer graphics processing and selective visual display system
Computer graphics processing
Shape generating
C345S582000, C345S592000, C345S503000
Reexamination Certificate
active
06842177
ABSTRACT:
A boundary macroblock of a video object is padded without significant synchronization overhead between a host processor and an existing coprocessor. The host processor determines horizontal and vertical graphics primitives as a function of shape data stored in a host memory. The shape data determine whether a dot, a line, or a rectangle primitive should be used to pad transparent pixels in the macroblock. The host processor communicates the primitives to a coprocessor, which renders the primitives in an interleaved pipeline fashion to pad transparent pixels of the macroblock based on texture data stored in video memory. The flow of primitives is in one direction from the host processor to the graphics coprocessor, and the texture data is not transferred back and forth between the host processor and coprocessor. This technique is especially useful for enabling acceleration of MPEG-4 video decoding utilizing existing coprocessors capable of accelerating MPEG-1/2 video decoding.
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Chung Chris Yoochang
Garg Rohit
Kim Donglok
Kim Yongmin
Mermer Coskun
Anderson Ronald M.
Chen Po-Wei
Tung Kee M.
University of Washington
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