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Column-interleaved stereo works by interleaving the left and right eye
views on every other vertical column in the display.
The stereo hardware either separates them into two separate displays or blanks
the even or odd columns in sync with shutter glasses, or otherwise makes
them visible only to one or the other eye, in the case of autostereoscopic
The only special requirements for the graphics accelerator are that
it provide a stencil buffer which is used to generate the
alternating columns in the final image.
This mode is generally supported by low-cost gaming GPUs.
Column Interleaved Stereo