Method and apparatus for stretch blitting using a 3D pipeline
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United States of America Patent
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Sep 3, 2002
Grant Date -
Jul 4, 2002
app pub date -
Jan 15, 1999
filing date -
Jan 15, 1999
priority date (Note) -
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Abstract
A method and apparatus for image scaling is provided. A 3D pipeline comprises a command stream controller to enable a rectangle mode. The 3D pipeline including a windower to produce addresses for the rectangle defined by the vertices. A filter interpolates between neighboring points, based on relative location, to generate attributes for each pixel. A color calculator aligns output data and writes the output data to a destination surface.
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