<s>
OpenGL	B-Application
for	I-Application
Embedded	I-Application
Systems	I-Application
(	O
OpenGL	B-Application
ES	I-Application
or	O
GLES	B-Application
)	O
is	O
a	O
subset	O
of	O
the	O
OpenGL	B-Application
computer	O
graphics	O
rendering	O
application	B-Application
programming	I-Application
interface	I-Application
(	O
API	B-Application
)	O
for	O
rendering	O
2D	O
and	O
3D	O
computer	O
graphics	O
such	O
as	O
those	O
used	O
by	O
video	O
games	O
,	O
typically	O
hardware-accelerated	B-General_Concept
using	O
a	O
graphics	B-Architecture
processing	I-Architecture
unit	I-Architecture
(	O
GPU	B-Architecture
)	O
.	O
</s>
<s>
It	O
is	O
designed	O
for	O
embedded	B-Architecture
systems	I-Architecture
like	O
smartphones	B-Application
,	O
tablet	B-Device
computers	I-Device
,	O
video	B-Device
game	I-Device
consoles	I-Device
and	O
PDAs	B-Application
.	O
</s>
<s>
OpenGL	B-Application
ES	I-Application
is	O
the	O
"	O
most	O
widely	O
deployed	O
3D	O
graphics	O
API	B-Application
in	O
history	O
"	O
.	O
</s>
<s>
The	O
API	B-Application
is	O
cross-language	B-Language
and	O
multi-platform	B-Operating_System
.	O
</s>
<s>
The	O
GLU	B-Library
library	O
and	O
the	O
original	O
GLUT	B-Library
are	O
not	O
available	O
for	O
OpenGL	B-Application
ES	I-Application
,	O
freeglut	B-Application
however	O
,	O
supports	O
it	O
.	O
</s>
<s>
OpenGL	B-Application
ES	I-Application
is	O
managed	O
by	O
the	O
non-profit	O
technology	O
consortium	B-Application
Khronos	B-Library
Group	I-Library
.	O
</s>
<s>
Vulkan	B-Application
,	O
a	O
next-generation	O
API	B-Application
from	O
Khronos	B-Library
,	O
is	O
made	O
for	O
simpler	O
high	O
performance	O
drivers	O
for	O
mobile	O
and	O
desktop	O
devices	O
.	O
</s>
<s>
Several	O
versions	O
of	O
the	O
OpenGL	B-Application
ES	I-Application
specification	O
now	O
exist	O
.	O
</s>
<s>
OpenGL	B-Application
ES	I-Application
1.0	O
is	O
drawn	O
up	O
against	O
the	O
OpenGL	B-Application
1.3	O
specification	O
,	O
OpenGL	B-Application
ES	I-Application
1.1	O
is	O
defined	O
relative	O
to	O
the	O
OpenGL	B-Application
1.5	O
specification	O
and	O
OpenGL	B-Application
ES	I-Application
2.0	O
is	O
defined	O
relative	O
to	O
the	O
OpenGL	B-Application
2.0	O
specification	O
.	O
</s>
<s>
This	O
means	O
that	O
,	O
for	O
example	O
,	O
an	O
application	O
written	O
for	O
OpenGL	B-Application
ES	I-Application
1.0	O
should	O
be	O
easily	O
portable	O
to	O
the	O
desktop	O
OpenGL	B-Application
1.3	O
;	O
as	O
the	O
OpenGL	B-Application
ES	I-Application
is	O
a	O
stripped-down	O
version	O
of	O
the	O
API	B-Application
,	O
the	O
reverse	O
may	O
or	O
may	O
not	O
be	O
true	O
,	O
depending	O
on	O
the	O
particular	O
features	O
used	O
.	O
</s>
<s>
OpenGL	B-Application
ES	I-Application
comes	O
with	O
its	O
own	O
version	O
of	O
shading	B-Language
language	I-Language
(	O
OpenGL	B-Application
ES	I-Application
SL	O
)	O
,	O
which	O
is	O
different	O
from	O
OpenGL	B-Language
SL	I-Language
.	O
</s>
<s>
Version	O
1.0	O
and	O
1.1	O
both	O
have	O
common	O
(	O
CM	O
)	O
and	O
common	O
lite	O
(	O
CL	O
)	O
profiles	O
,	O
the	O
difference	O
being	O
that	O
the	O
common	O
lite	O
profile	O
only	O
supports	O
fixed-point	O
instead	O
of	O
floating	B-Algorithm
point	I-Algorithm
data	O
type	O
support	O
,	O
whereas	O
common	O
supports	O
both	O
.	O
</s>
<s>
OpenGL	B-Application
ES	I-Application
1.0	O
was	O
released	O
publicly	O
July	O
28	O
,	O
2003	O
.	O
</s>
<s>
OpenGL	B-Application
ES	I-Application
1.0	O
is	O
based	O
on	O
the	O
original	O
OpenGL	B-Application
1.3	O
API	B-Application
,	O
with	O
much	O
functionality	O
removed	O
and	O
a	O
little	O
bit	O
added	O
.	O
</s>
<s>
One	O
significant	O
difference	O
between	O
OpenGL	B-Application
and	O
OpenGL	B-Application
ES	I-Application
is	O
that	O
OpenGL	B-Application
ES	I-Application
removed	O
the	O
need	O
to	O
bracket	O
OpenGL	B-Application
library	O
calls	O
with	O
glBegin	O
and	O
glEnd	O
.	O
</s>
<s>
Attributes	O
were	O
also	O
added	O
to	O
better	O
support	O
the	O
computational	O
abilities	O
of	O
embedded	B-Architecture
processors	I-Architecture
,	O
which	O
often	O
lack	O
a	O
floating	B-General_Concept
point	I-General_Concept
unit	I-General_Concept
(	O
FPU	O
)	O
.	O
</s>
<s>
OpenGL	B-Application
ES	I-Application
1.1	O
added	O
features	O
such	O
as	O
mandatory	O
support	O
for	O
multitexture	O
,	O
better	O
multitexture	O
support	O
(	O
including	O
combiners	O
and	O
dot	O
product	O
texture	O
operations	O
)	O
,	O
automatic	O
mipmap	B-Data_Structure
generation	O
,	O
vertex	B-Library
buffer	I-Library
objects	I-Library
,	O
state	O
queries	O
,	O
user	O
clip	O
planes	O
,	O
and	O
greater	O
control	O
over	O
point	O
rendering	O
.	O
</s>
<s>
OpenGL	B-Application
ES	I-Application
2.0	O
was	O
publicly	O
released	O
in	O
March	O
2007	O
.	O
</s>
<s>
It	O
is	O
roughly	O
based	O
on	O
OpenGL	B-Application
2.0	O
,	O
but	O
it	O
eliminates	O
most	O
of	O
the	O
fixed-function	O
rendering	B-General_Concept
pipeline	I-General_Concept
in	O
favor	O
of	O
a	O
programmable	O
one	O
in	O
a	O
move	O
similar	O
to	O
the	O
transition	O
from	O
OpenGL	B-Application
3.0	O
to	O
3.1	O
.	O
</s>
<s>
Almost	O
all	O
rendering	O
features	O
of	O
the	O
transform	O
and	O
lighting	O
stage	O
,	O
such	O
as	O
the	O
specification	O
of	O
materials	O
and	O
light	O
parameters	O
formerly	O
specified	O
by	O
the	O
fixed-function	O
API	B-Application
,	O
are	O
replaced	O
by	O
shaders	O
written	O
by	O
the	O
graphics	O
programmer	O
.	O
</s>
<s>
As	O
a	O
result	O
,	O
OpenGL	B-Application
ES	I-Application
2.0	O
is	O
not	O
backward	B-General_Concept
compatible	I-General_Concept
with	O
OpenGL	B-Application
ES	I-Application
1.1	O
.	O
</s>
<s>
Some	O
incompatibilities	O
between	O
the	O
desktop	O
version	O
of	O
OpenGL	B-Application
and	O
OpenGL	B-Application
ES	I-Application
2.0	O
persisted	O
until	O
OpenGL	B-Application
4.1	O
,	O
which	O
added	O
the	O
GL_ARB_ES2_compatibility	O
extension	O
.	O
</s>
<s>
The	B-Library
Khronos	I-Library
Group	I-Library
has	O
written	O
a	O
document	O
describing	O
the	O
differences	O
between	O
OpenGL	B-Application
ES	I-Application
2.0	O
and	O
ordinary	O
OpenGL	B-Application
2.0	O
.	O
</s>
<s>
The	O
OpenGL	B-Application
ES	I-Application
3.0	O
specification	O
was	O
publicly	O
released	O
in	O
August	O
2012	O
.	O
</s>
<s>
OpenGL	B-Application
ES	I-Application
3.0	O
is	O
backwards	B-General_Concept
compatible	I-General_Concept
with	O
OpenGL	B-Application
ES	I-Application
2.0	O
,	O
enabling	O
applications	O
to	O
incrementally	O
add	O
new	O
visual	O
features	O
to	O
applications	O
.	O
</s>
<s>
New	O
functionality	O
in	O
the	O
OpenGL	B-Application
ES	I-Application
3.0	O
specification	O
includes	O
:	O
</s>
<s>
multiple	O
enhancements	O
to	O
the	O
rendering	B-General_Concept
pipeline	I-General_Concept
to	O
enable	O
acceleration	O
of	O
advanced	O
visual	O
effects	O
including	O
:	O
occlusion	O
queries	O
,	O
transform	O
feedback	O
,	O
instanced	B-General_Concept
rendering	I-General_Concept
and	O
support	O
for	O
four	O
or	O
more	O
rendering	B-General_Concept
targets	I-General_Concept
,	O
</s>
<s>
a	O
new	O
version	O
of	O
the	O
GLSL	B-Language
ES	O
shading	B-Language
language	I-Language
with	O
full	O
support	O
for	O
integer	O
and	O
32-bit	O
floating	B-Algorithm
point	I-Algorithm
operations	O
;	O
</s>
<s>
greatly	O
enhanced	O
texturing	O
functionality	O
including	O
guaranteed	O
support	O
for	O
floating	B-Algorithm
point	I-Algorithm
textures	O
,	O
3D	O
textures	O
,	O
depth	O
textures	O
,	O
vertex	O
textures	O
,	O
NPOT	O
textures	O
,	O
R/RG	O
textures	O
,	O
immutable	O
textures	O
,	O
2D	O
array	O
textures	O
,	O
swizzles	B-General_Concept
,	O
LOD	O
and	O
mip	B-Data_Structure
level	I-Data_Structure
clamps	O
,	O
seamless	O
cube	O
maps	O
and	O
sampler	O
objects	O
,	O
</s>
<s>
The	O
OpenGL	B-Application
ES	I-Application
3.1	O
specification	O
was	O
publicly	O
released	O
in	O
March	O
2014	O
.	O
</s>
<s>
New	O
functionality	O
in	O
OpenGL	B-Application
ES	I-Application
3.1	O
includes	O
:	O
</s>
<s>
OpenGL	B-Application
ES	I-Application
3.1	O
is	O
backward	B-General_Concept
compatible	I-General_Concept
with	O
OpenGL	B-Application
ES	I-Application
2.0	O
and	O
3.0	O
,	O
thus	O
enabling	O
applications	O
to	O
incrementally	O
incorporate	O
new	O
features	O
.	O
</s>
<s>
The	O
OpenGL	B-Application
ES	I-Application
3.2	O
specification	O
was	O
publicly	O
released	O
in	O
August	O
2015	O
.	O
</s>
<s>
New	O
capabilities	O
in	O
OpenGL	B-Application
ES	I-Application
3.2	O
include	O
:	O
</s>
<s>
Geometry	O
and	O
tessellation	B-Algorithm
shaders	O
to	O
efficiently	O
process	O
complex	O
scenes	O
on	O
the	O
GPU	B-Architecture
.	O
</s>
<s>
Floating	B-Algorithm
point	I-Algorithm
render	B-General_Concept
targets	I-General_Concept
for	O
increased	O
flexibility	O
in	O
higher	O
precision	O
compute	O
operations	O
.	O
</s>
<s>
Some	O
more	O
extensions	O
are	O
developed	O
or	O
in	O
Development	O
in	O
Mesa	O
for	O
next	O
OpenGL	B-Application
ES	I-Application
Version	O
(	O
see	O
Mesamatrix	O
)	O
.	O
</s>
<s>
Next	O
generation	O
API	B-Application
is	O
Vulkan	B-Application
.	O
</s>
<s>
OpenGL	B-Application
ES	I-Application
1.0	O
added	O
an	O
official	O
3D	O
graphics	O
API	B-Application
to	O
the	O
Android	B-Application
and	O
Symbian	B-Operating_System
OS	I-Operating_System
v8.0a	O
operating	O
systems	O
,	O
as	O
well	O
as	O
by	O
QNX	B-Operating_System
It	O
is	O
also	O
supported	O
by	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
as	O
one	O
of	O
its	O
official	O
graphics	O
APIs	B-Application
(	O
the	O
other	O
one	O
being	O
low	O
level	O
libgcm	O
library	O
)	O
with	O
Nvidia	B-Language
's	I-Language
Cg	I-Language
in	O
lieu	O
of	O
GLSL	B-Language
.	O
</s>
<s>
The	O
PlayStation	B-Operating_System
3	I-Operating_System
also	O
includes	O
several	O
features	O
of	O
the	O
2.0	O
version	O
of	O
OpenGL	B-Application
ES	I-Application
.	O
</s>
<s>
The	O
1.1	O
version	O
of	O
OpenGL	B-Application
ES	I-Application
is	O
supported	O
by	O
:	O
</s>
<s>
AmigaOS	B-Application
on	O
AmigaOne	B-Device
with	O
Warp3D	B-Library
Nova	I-Library
and	O
compatible	O
Radeon	B-Device
HD	I-Device
graphics	O
card	O
.	O
</s>
<s>
Android	B-Application
since	O
version	O
4.3	O
,	O
on	O
devices	O
with	O
appropriate	O
hardware	O
and	O
drivers	O
,	O
including	O
:	O
</s>
<s>
iOS	B-Application
since	O
version	O
7	O
,	O
on	O
devices	O
including	O
:	O
</s>
<s>
BlackBerry	B-Application
10	I-Application
OS	O
since	O
version	O
10.2	O
,	O
on	O
devices	O
including	O
:	O
</s>
<s>
Supported	O
by	O
some	O
recent	O
versions	O
of	O
these	O
GPUs	B-Architecture
:	O
</s>
<s>
Supported	O
by	O
Windows	O
,	O
Linux	B-Application
,	O
Android	B-Application
(	O
since	O
version	O
5.0	O
)	O
on	O
devices	O
with	O
appropriate	O
hardware	O
and	O
drivers	O
,	O
including	O
:	O
</s>
<s>
Android	B-Application
Extension	O
Pack	O
(	O
AEP	O
)	O
is	O
a	O
set	O
of	O
OpenGL	B-Application
ES	I-Application
3.1	O
extensions	O
,	O
all	O
bundled	O
into	O
a	O
single	O
extension	O
introduced	O
by	O
Google	O
in	O
2014	O
.	O
</s>
<s>
The	O
AEP	O
was	O
officially	O
added	O
to	O
Android	B-Application
Lollipop	O
to	O
provide	O
extra	O
features	O
like	O
tessellation	B-Algorithm
over	O
what	O
was	O
officially	O
in	O
the	O
GLES	B-Application
3.1	O
revision	O
.	O
</s>
<s>
OpenGL	B-Application
ES	I-Application
3.2	O
update	O
is	O
largely	O
made	O
up	O
of	O
the	O
AEP	O
additions	O
,	O
which	O
are	O
already	O
present	O
in	O
desktop	O
OpenGL	B-Application
.	O
</s>
<s>
OpenGL	B-Application
ES	I-Application
3.2	O
,	O
incorporating	O
the	O
Android	B-Application
Extension	O
Pack	O
(	O
AEP	O
)	O
,	O
"	O
boasts	O
a	O
small	O
number	O
of	O
improvements	O
over	O
last	O
year	O
’s	O
OpenGL	B-Application
ES	I-Application
3.1	O
.	O
</s>
<s>
From	O
the	O
AEP	O
,	O
OpenGL	B-Application
ES	I-Application
3.2	O
compliant	O
hardware	O
will	O
support	O
Tessellation	B-Algorithm
for	O
additional	O
geometry	O
detail	O
,	O
new	O
geometry	O
shaders	O
,	O
ASTC	O
texture	O
compression	O
for	O
a	O
smaller	O
memory	O
bandwidth	O
footprint	O
,	O
floating	B-Algorithm
point	I-Algorithm
render	B-General_Concept
targets	I-General_Concept
for	O
high	O
accuracy	O
compute	O
processes	O
,	O
and	O
new	O
debugging	O
features	O
for	O
developers	O
.	O
</s>
<s>
These	O
high-end	O
features	O
are	O
already	O
found	O
in	O
the	O
group	O
’s	O
full	O
OpenGL	B-Application
4	O
specification.	O
"	O
</s>
<s>
Supported	O
by	O
Windows	O
,	O
Linux	B-Application
,	O
Android	B-Application
(	O
since	O
version	O
6.0	O
possible	O
,	O
7.0	O
+	O
Vulkan	B-Application
1.0	O
and	O
OpenGL	B-Application
ES	I-Application
3.2	O
needed	O
)	O
on	O
devices	O
with	O
appropriate	O
hardware	O
and	O
drivers	O
,	O
including	O
:	O
</s>
<s>
OpenGL	B-Application
ES	I-Application
(	O
and	O
OpenGL	B-Application
)	O
is	O
deprecated	B-General_Concept
in	O
Apple	O
's	O
operating	O
systems	O
,	O
but	O
still	O
works	O
in	O
up	O
to	O
at	O
least	O
iOS	B-Application
12	O
.	O
</s>
<s>
There	O
is	O
currently	O
no	O
plan	O
for	O
a	O
new	O
core	O
version	O
of	O
OpenGL	B-Application
ES	I-Application
,	O
as	O
adoption	O
of	O
Vulkan	B-Application
has	O
been	O
deemed	O
to	O
displace	O
it	O
in	O
embedded	O
and	O
mobile	O
applications	O
.	O
</s>
<s>
Development	O
of	O
extensions	O
to	O
OpenGL	B-Application
ES	I-Application
continues	O
as	O
of	O
2017	O
.	O
</s>
<s>
A	O
few	O
libraries	O
have	O
been	O
created	O
to	O
emulate	O
OpenGL	B-Application
calls	O
using	O
GL	O
ES	O
:	O
</s>
<s>
Regal	O
is	O
used	O
for	O
example	O
by	O
Google	B-Application
's	I-Application
NaCl	I-Application
.	O
</s>
<s>
The	O
MIT	O
licensed	O
GL4ES	O
emulates	O
OpenGL	B-Application
2.1/1.5	O
using	O
GL	O
ES	O
2.0/1.1	O
.	O
</s>
