Faking quad buffers using VirtualGL for use with a 3D TV
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
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
YouTube allows users to post 3D videos which you can search for with
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
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
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?
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