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Topical Terminology > Double Buffering



3 Definitions

Double Buffering

For Double Buffering we have terms and definitions in 3 topics. The topics are Computer Graphics, Computer Technology and Multimedia.



Double Buffering (Computer Graphics)

A method of using two buffers, one for display and the other for rendering. While one of the buffers is being displayed, the other buffer is operated on by a rendering engine. When the new frame is rendered, the two buffers are switched. The viewer sees a perfect image all the time.


Double Buffering (Computer Technology)

This shows you that the graphics engine uses two layers, or buffers, to produce an image: one for display and one for rendering. Since the viewer only sees the finished image, this allows for smooth-motion animation. (Again, play Quake and watch as the background "jumps" across the screen as you turn your character.)


Double Buffering (Multimedia)

As the name implies, you are using two buffers -- for video, this means two frame buffers. While buffer 1 is being read, buffer 2 is being written to. When finished, buffer 2 is read out while buffer 1 is being written to.




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