Hi there.
If you or someone you know has a 3D TV I bet you've wondered what it is about an
OpenGL graphics card that's different from a "normal" or 2D graphics card.
The short answer is - there is no significant difference, and some 3D laptops
use the same graphics chip that 2D ones do - see
http://www.zdnet.com/blog/computers/ces-2011-sony-debuts-vaio-f-series-3d-laptop-with-new-nvidia-geforce-gt-540m-graphics/4690
Some higher-end machines may use 2 2D graphics chips/cards, one for each eye.
When you look at the actual 3D hdmi output format, it turns out it just outputs
the two images one above the other - see
http://hdguru.com/3d-hdtv-and-hdmi-explained/1336/
YouTube allows users to post 3D videos which you can search for with
"yt3d:enable=true".
When YouTube detects this tag it adds a "3D" button that allows you to choose
several ways to view the video.
Here are some examples:
YouTube in 3D: http://www.youtube.com/watch?v=5ANcspdYh_U&feature=plcp
StereoQuake: http://www.youtube.com/watch?v=tXvirxRK-Ww
I thought this would be something that's possible - even straightforward - to do
with VirtualGL, but as you can see from this discussion
Faking quad buffers for 3D TV
http://sourceforge.net/projects/virtualgl/forums/forum/401860/topic/5335139
the author of VirtualGL seems somewhat inflexible in their approach, either that
or they're missing the point I repeatedly tried to make.
Maybe if Debian users show that they understand the concept, Debian can make a
patch that someday might be accepted upstream.
I just want to give Quake3 a go with a 3D TV - where's the harm?
Regards,
Philip Ashmore
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