Method and apparatus for rendering computer graphic images of translucent and opaque objects
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United States of America Patent
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May 21, 2013
Grant Date -
Sep 13, 2007
app pub date -
Apr 18, 2007
filing date -
Jul 25, 2003
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Abstract
A method and an apparatus provided for rendering three-dimensional computer graphic images which include both translucent and opaque objects. A list of objects which may be visible in the images is determined and for each pixel in the list a determination is made as to whether or not the object in the list may be visible at that pixel. A data tag is stored for a transparent object determined to be visible at the pixel, and the data tag and object data are passed to a texturing and shading unit when the translucent object is determined to be overwriting the location in a tag buffer already occupied by another data tag.
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