<s>
Pixel	B-Library
buffer	I-Library
or	O
pBuffer	B-Library
is	O
a	O
feature	O
in	O
OpenGL	B-Application
and	O
OpenGL	B-Application
ES	I-Application
platform	O
interfaces	O
which	O
allows	O
for	O
off-screen	O
rendering	O
.	O
</s>
<s>
It	O
is	O
specified	O
as	O
an	O
extension	O
to	O
WGL	B-Library
API	I-Library
,	O
and	O
a	O
core	O
feature	O
of	O
GLX	B-Device
&	O
EGL	B-Application
.	O
</s>
<s>
When	O
using	O
pBuffers	B-Library
,	O
a	O
user	O
can	O
bind	O
an	O
OpenGL	B-Application
context	O
to	O
offscreen	O
surfaces	O
,	O
effectively	O
allowing	O
for	O
off-screen	O
rendering	O
to	O
a	O
default	O
framebuffer	O
,	O
allocated	O
by	O
OpenGL	B-Application
itself	O
.	O
</s>
<s>
The	O
pBuffer	B-Library
functionality	O
has	O
been	O
superseded	O
by	O
the	O
usage	O
of	O
FBOs	O
(	O
Framebuffer	B-Library
Objects	I-Library
)	O
.	O
</s>
<s>
However	O
,	O
pBuffers	B-Library
can	O
be	O
still	O
used	O
with	O
modern	O
OpenGL	B-Application
drivers	O
.	O
</s>
<s>
pBuffers	B-Library
should	O
not	O
be	O
confused	O
with	O
Pixel	B-Library
buffer	I-Library
objects	O
(	O
also	O
named	O
PBOs	O
)	O
,	O
which	O
are	O
non-renderable	O
buffers	O
containing	O
raw	O
pixel	O
data	O
.	O
</s>
