<s>
PSGL	B-Application
is	O
a	O
rendering	O
API	O
available	O
additionally	O
to	O
GCM	O
and	O
OpenGL	B-Application
for	O
Sony	O
's	O
PlayStation	B-Operating_System
3	I-Operating_System
.	O
</s>
<s>
PSGL	B-Application
is	O
based	O
on	O
OpenGL	B-Application
ES	I-Application
and	O
Nvidia	B-Language
's	I-Language
CG	I-Language
.	O
</s>
<s>
A	O
previous	O
version	O
of	O
PSGL	B-Application
was	O
available	O
for	O
the	O
PlayStation	B-Device
2	I-Device
but	O
was	O
largely	O
unused	O
.	O
</s>
<s>
PSGL	B-Application
was	O
meant	O
to	O
be	O
a	O
foundation	O
for	O
the	O
future	O
,	O
beyond	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
but	O
for	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
Sony	O
introduced	O
GNM	B-Application
and	O
GNMX	B-Application
and	O
also	O
their	O
custom	O
shading	B-Language
language	I-Language
,	O
PlayStation	O
Shader	B-Language
Language	I-Language
(	O
PSSL	O
)	O
.	O
</s>
