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double buffering
(redirected from Back buffer)

    Also found in: Wikipedia 0.02 sec.

double buffering

A programming technique that uses two buffers to speed up a computer that can overlap I/O with processing. Data in one buffer is being processed while the next set of data is read into the other one.

In streaming media applications, the data in one buffer is being sent to the sound card and/or display adapter, while the other buffer is being filled with more data from the source of the material (Internet, local server, etc.).

When video is displayed on screen, the data in one buffer is being filled while the data in the other is being displayed. Full-motion video is speeded up when the function of moving the data between buffers is implemented in a hardware circuit rather than being performed by software. See video accelerator.

Double Buffers
Two buffers are commonly used to speed up program execution. Data are processed in one buffer while data are written into or read out of the other.



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? Mentioned in ? References in periodicals archive
 
GLoria-XXL uses a 48-bit local buffer interface to enable simultaneous use of 3D features such as front and back buffer, Z buffer, stencil, fast clear planes and graphics ID.
ELSA's GLoria-XXL Graphics Accelerator to Deliver High Performance 3D ... by Business Wire
GLoria-XXL uses a 48-bit local buffer interface to enable simultaneous use of 3D features such as front and back buffer, Z buffer, stencil, fast clear planes and graphics ID.
ELSA's GLoria-XXL Graphics Accelerator to Deliver High Performance 3D ... by Business Wire
The 3DEMON(tm) twin-GMX8/20-PCI provides 112-bits per pixel for support of true color display, front and back buffer, 32-bit Z-buffer, graphics ID, stencil and fast clear planes.
Omnicomp Graphics Raises the Bar in 3D Graphics Acceleration; The New ... by Business Wire
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