Hello!
According to one or more sources on Google, Linux now makes it possible to use
LCD shutter to get stereoscopic graphics in certain games and with certain
graphics cards. However, there are certainly other interesting methods of
outputting stereoscopic graphics, such as outputting to two different outputs
(such as two different projectors with different polarising filters), combining
the red channel of the left frame and the green and blue channels of the right
frame to create an anaglyphic image that can be viewed with 3D glasses and so
on, and it would be really interesting to see if these methods could be used to
output OpenGL graphics. Even more so with the arrival of 3D TVs and monitors,
it would be interesting to be able to use their stereoscopic capabilities with
existing games and applications.
I've seen two pieces of software, one for Linux and one for Windows, and it
seemed like what they did was intercept OpenGL commands and render two separate
images at slightly shifted (user-specified?) angles or viewpoints, one for the
left eye and one for the right eye. If the effect could be achieved more or
less reliably in all applications, stereoscopic output could be achieved in a
wide range of games even today.
At any rate, I was wondering if something like this has ever been attempted, or
implemented, in DRI?
Best regards
David J. Oftedal
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