<s>
IRIS	B-Library
GL	I-Library
(	O
Integrated	O
Raster	O
Imaging	O
System	O
Graphics	O
Library	O
)	O
is	O
a	O
proprietary	O
graphics	O
API	B-Application
created	O
by	O
Silicon	O
Graphics	O
(	O
SGI	O
)	O
in	O
the	O
early	O
1980s	O
for	O
producing	O
2D	O
and	O
3D	O
computer	O
graphics	O
on	O
their	O
IRIX-based	O
IRIS	O
graphical	O
workstations	O
.	O
</s>
<s>
Later	O
SGI	O
removed	O
their	O
proprietary	O
code	O
,	O
reworked	O
various	O
system	O
calls	O
,	O
and	O
released	O
IRIS	B-Library
GL	I-Library
as	O
the	O
industry	O
standard	O
OpenGL	B-Application
.	O
</s>
