<s>
The	O
frame	O
buffer	O
object	O
architecture	O
(	O
FBO	O
)	O
is	O
an	O
extension	O
to	O
OpenGL	B-Application
for	O
doing	O
flexible	O
off-screen	O
rendering	O
,	O
including	O
rendering	O
to	O
a	O
texture	O
.	O
</s>
<s>
The	O
FBO	O
is	O
analogous	O
to	O
the	O
render	O
targets	O
model	O
in	O
DirectX	B-Application
.	O
</s>
<s>
It	O
is	O
used	O
in	O
OpenGL	B-Application
for	O
its	O
efficiency	O
and	O
ease	O
of	O
use	O
.	O
</s>
<s>
The	O
use	O
of	O
FBOs	O
does	O
n't	O
suffer	O
from	O
the	O
overhead	O
associated	O
with	O
OpenGL	B-Application
drawing	O
context	O
switching	O
,	O
and	O
has	O
largely	O
superseded	O
the	O
pbuffer	B-Library
and	O
other	O
methods	O
involving	O
context	O
switches	O
.	O
</s>
