Definition of overdraw

Definition of overdraw
  1. overdraw Verb To withdraw more money from an account than there is credit; to make an overdraft
  2. overdraw Noun Commonly described in graphics technical terms as the process by which during the rendering of a scene, a pixel at a given X,Y location in the final image is replaced by one which is closer to the view point than the existing pixel as determined by their corresponding Z values.
  3. overdraw Noun A value determining/describing "Overdraw" or "Overdraw factor" is commonly the number of times each pixel would have been overwritten in the course of rendering averaged over a given frame or series of frames.
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