<s>
Nvidia	B-Algorithm
3D	I-Algorithm
Vision	I-Algorithm
(	O
previously	O
GeForce	B-Algorithm
3D	I-Algorithm
Vision	I-Algorithm
)	O
is	O
a	O
discontinued	O
stereoscopic	B-Algorithm
gaming	I-Algorithm
kit	O
from	O
Nvidia	O
which	O
consists	O
of	O
LC	B-Algorithm
shutter	I-Algorithm
glasses	I-Algorithm
and	O
driver	B-Application
software	I-Application
which	O
enables	O
stereoscopic	B-Algorithm
vision	O
for	O
any	O
Direct3D	B-Application
game	O
,	O
with	O
various	O
degrees	O
of	O
compatibility	O
.	O
</s>
<s>
There	O
have	O
been	O
many	O
examples	O
of	O
shutter	B-Algorithm
glasses	I-Algorithm
.	O
</s>
<s>
Electrically	O
controlled	O
mechanical	O
shutter	B-Algorithm
glasses	I-Algorithm
date	O
back	O
to	O
the	O
middle	O
of	O
the	O
last	O
century	O
.	O
</s>
<s>
LCD	B-Algorithm
shutter	I-Algorithm
glasses	I-Algorithm
appeared	O
in	O
the	O
1980s	O
,	O
one	O
example	O
of	O
which	O
is	O
Sega	O
's	O
SegaScope	O
.	O
</s>
<s>
The	O
NVIDIA	B-Algorithm
3D	I-Algorithm
Vision	I-Algorithm
gaming	O
kit	O
introduced	O
in	O
2008	O
made	O
this	O
technology	O
available	O
for	O
mainstream	O
consumers	O
and	O
PC	O
gamers	O
.	O
</s>
<s>
The	O
kit	O
is	O
specially	O
designed	O
for	O
120Hz	O
LCD	B-Device
monitors	I-Device
,	O
but	O
is	O
also	O
compatible	O
with	O
CRT	B-Device
monitors	I-Device
(	O
some	O
of	O
which	O
may	O
work	O
at	O
1024×768×120Hz	O
and	O
even	O
higher	O
refresh	O
rates	O
)	O
,	O
DLP-projectors	O
,	O
3LCD	O
projectors	O
and	O
others	O
.	O
</s>
<s>
The	O
wireless	O
emitter	O
connects	O
to	O
the	O
USB	O
port	O
and	O
interfaces	O
with	O
the	O
underlying	O
driver	B-Application
software	I-Application
.	O
</s>
<s>
It	O
also	O
contains	O
a	O
VESA	B-Algorithm
Stereo	I-Algorithm
port	O
for	O
connecting	O
supported	O
DLP	B-General_Concept
TV	I-General_Concept
sets	O
,	O
although	O
standalone	O
operation	O
without	O
a	O
PC	O
with	O
installed	O
Nvidia	B-Algorithm
3D	I-Algorithm
Vision	I-Algorithm
driver	O
is	O
not	O
allowed	O
.	O
</s>
<s>
Nvidia	O
includes	O
one	O
pair	O
of	O
shutter	B-Algorithm
glasses	I-Algorithm
in	O
their	O
3D	O
Vision	O
kit	O
,	O
SKU	O
942-10701-0003	O
.	O
</s>
<s>
This	O
version	O
of	O
3D	O
Vision	O
supports	O
select	O
120Hz	O
monitors	O
,	O
720p	O
DLP	B-General_Concept
projectors	I-General_Concept
,	O
and	O
passive-polarized	O
displays	O
from	O
Zalman	O
.	O
</s>
<s>
The	O
stereo	O
driver	B-Application
software	I-Application
can	O
perform	O
automatic	O
stereoscopic	B-Algorithm
conversion	O
by	O
using	O
the	O
3D	O
models	O
submitted	O
by	O
the	O
application	O
and	O
rendering	O
two	O
stereoscopic	B-Algorithm
views	I-Algorithm
instead	O
of	O
the	O
standard	O
mono	O
view	O
.	O
</s>
<s>
The	O
quad-buffered	O
mode	O
allows	O
developers	O
to	O
control	O
the	O
rendering	O
,	O
avoiding	O
the	O
automatic	O
mode	O
of	O
the	O
driver	O
and	O
just	O
presenting	O
the	O
rendered	O
stereo	O
picture	O
to	O
left	O
and	O
right	O
frame	B-Algorithm
buffers	I-Algorithm
with	O
associated	O
back	O
buffers	O
.	O
</s>
<s>
The	O
roots	O
of	O
the	O
Nvidia	O
stereo	O
driver	O
can	O
be	O
traced	O
to	O
the	O
software	O
supplied	O
with	O
the	O
wired	O
ELSA	O
Revelator	O
shutter	B-Algorithm
glasses	I-Algorithm
from	O
1990s	O
.	O
</s>
<s>
Nvidia	O
has	O
acquired	O
the	O
technology	O
and	O
has	O
provided	O
support	O
for	O
various	O
stereoscopic	B-Algorithm
display	I-Algorithm
technologies	O
,	O
including	O
stereoscopic	B-Algorithm
shutter	B-Algorithm
glasses	I-Algorithm
,	O
with	O
their	O
own	O
version	O
driver	O
which	O
only	O
worked	O
with	O
Nvidia	O
graphics	O
cards	O
.	O
</s>
<s>
In	O
2008	O
,	O
Nvidia	O
undertook	O
major	O
rewrite	O
of	O
the	O
driver	O
which	O
was	O
converted	O
to	O
use	O
Windows	B-Device
Display	I-Device
Driver	I-Device
Model	I-Device
,	O
making	O
it	O
only	O
compatible	O
with	O
Windows	B-Application
Vista	I-Application
and	O
Nvidia	O
's	O
glasses	O
.	O
</s>
