<s>
UNIGINE	B-Application
is	O
a	O
proprietary	B-Application
cross-platform	B-Operating_System
game	O
engine	O
developed	O
by	O
UNIGINE	B-Application
Company	O
used	O
in	O
simulators	O
,	O
virtual	B-Application
reality	I-Application
systems	O
,	O
serious	B-Application
games	I-Application
and	O
visualization	B-Application
.	O
</s>
<s>
It	O
supports	O
OpenGL	B-Application
4	O
,	O
Vulkan	B-Application
and	O
DirectX	B-Application
12	O
.	O
</s>
<s>
UNIGINE	B-Application
Engine	O
is	O
a	O
core	O
technology	O
for	O
a	O
lineup	O
of	O
benchmarks	O
(	O
CPU	O
,	O
GPU	O
,	O
power	O
supply	O
,	O
cooling	O
system	O
)	O
,	O
which	O
are	O
used	O
by	O
overclockers	B-Application
and	O
technical	O
media	O
such	O
as	O
Tom	O
's	O
Hardware	O
,	O
Linus	O
Tech	O
Tips	O
,	O
PC	O
Gamer	O
,	O
and	O
JayzTwoCents	O
.	O
</s>
<s>
UNIGINE	B-Application
benchmarks	O
are	O
also	O
included	O
as	O
part	O
of	O
the	O
Phoronix	B-Application
Test	I-Application
Suite	I-Application
for	O
benchmarking	O
purposes	O
on	O
Linux	B-Application
and	O
other	O
systems	O
.	O
</s>
<s>
UNIGINE	B-Application
1	O
supported	O
Microsoft	B-Application
Windows	I-Application
,	O
Linux	B-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
Android	B-Application
,	O
and	O
iOS	B-Application
.	O
</s>
<s>
UNIGINE	B-Application
1	O
supported	O
DirectX	B-Application
9	I-Application
,	O
DirectX	B-Application
10	I-Application
,	O
DirectX	B-Application
11	I-Application
,	O
OpenGL	B-Application
,	O
OpenGL	B-Application
ES	I-Application
and	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
while	O
initial	O
versions	O
(	O
v0.3x	O
)	O
only	O
supported	O
OpenGL	B-Application
.	O
</s>
<s>
UNIGINE	B-Application
1	O
provided	O
C++	B-Language
,	O
C#	B-Application
,	O
and	O
UnigineScript	O
APIs	B-General_Concept
for	O
developers	O
.	O
</s>
<s>
It	O
also	O
supported	O
the	O
shading	B-Language
languages	I-Language
GLSL	B-Language
and	O
HLSL	B-Language
.	O
</s>
<s>
UNIGINE	B-Application
1	O
had	O
support	O
for	O
large	O
virtual	O
scenarios	O
and	O
specific	O
hardware	O
required	O
by	O
professional	O
simulators	O
and	O
enterprise	O
VR	O
systems	O
,	O
often	O
called	O
serious	B-Application
games	I-Application
.	O
</s>
<s>
CAVE	B-General_Concept
)	O
.	O
</s>
<s>
UNIGINE	B-Application
1	O
had	O
stereoscopic	O
output	O
support	O
for	O
anaglyph	B-Algorithm
rendering	O
,	O
separate	O
images	O
output	O
,	O
Nvidia	B-Algorithm
3D	I-Algorithm
Vision	I-Algorithm
,	O
and	O
virtual	B-Device
reality	I-Device
headsets	I-Device
.	O
</s>
<s>
UNIGINE	B-Application
rendered	O
supported	O
Shader	B-Language
model	I-Language
5.0	O
with	O
hardware	O
tessellation	B-Algorithm
,	O
DirectCompute	B-Library
,	O
and	O
OpenCL	B-Application
.	O
</s>
<s>
It	O
also	O
used	O
screen	O
space	O
ambient	O
occlusion	O
and	O
real-time	O
global	B-Algorithm
illumination	I-Algorithm
.	O
</s>
<s>
UNIGINE	B-Application
used	O
a	O
proprietary	B-Application
physics	O
engine	O
to	O
process	O
events	O
such	O
as	O
collision	O
detection	O
,	O
rigid	O
body	O
physics	O
,	O
and	O
dynamical	O
destruction	O
of	O
objects	O
.	O
</s>
<s>
It	O
also	O
used	O
a	O
proprietary	B-Application
engine	O
for	O
path	O
finding	O
and	O
basic	O
AI	O
components	O
.	O
</s>
<s>
UNIGINE	B-Application
had	O
features	O
such	O
as	O
interactive	O
3D	O
GUI	B-Application
,	O
video	O
playback	O
using	O
Theora	B-Algorithm
codec	I-Algorithm
,	O
3D	O
audio	O
system	O
based	O
on	O
OpenAL	B-Application
library	O
,	O
WYSIWYG	O
scene	O
editor	O
(	O
UNIGINE	B-Application
Editor	O
)	O
.	O
</s>
<s>
UNIGINE	B-Application
2	O
was	O
released	O
on	O
October	O
10	O
,	O
2015	O
.	O
</s>
<s>
UNIGINE	B-Application
2	O
has	O
all	O
features	O
from	O
UNIGINE	B-Application
1	O
and	O
transitioned	O
from	O
forward	O
rendering	O
to	O
deferred	O
rendering	O
approach	O
,	O
PBR	O
shading	O
,	O
and	O
introduced	O
new	O
graphical	O
technologies	O
like	O
geometry	O
water	O
,	O
multi-layered	O
volumetric	O
clouds	O
,	O
SSRTGI	O
and	O
voxel-based	O
lighting	O
.	O
</s>
<s>
UNIGINE	B-Application
2	O
supports	O
Microsoft	B-Application
Windows	I-Application
,	O
Linux	B-Application
and	O
OS	B-Operating_System
X	I-Operating_System
(	O
support	O
stopped	O
starting	O
from	O
2.6	O
version	O
)	O
.	O
</s>
<s>
UNIGINE	B-Application
2	O
supports	O
the	O
following	O
graphical	O
APIs	B-General_Concept
:	O
DirectX	B-Application
11	I-Application
,	O
OpenGL	B-Application
4.x	O
.	O
</s>
<s>
Since	O
version	O
2.16	O
UNIGINE	B-Application
experimentally	O
supports	O
DirectX	B-Application
12	O
and	O
Vulkan	B-Application
.	O
</s>
<s>
There	O
are	O
3	O
APIs	B-General_Concept
for	O
developers	O
:	O
C++	B-Language
,	O
C#	B-Application
,	O
Unigine	B-Application
Script	O
.	O
</s>
<s>
Supported	O
Shader	B-Language
languages	I-Language
:	O
HLSL	B-Language
,	O
GLSL	B-Language
,	O
UUSL	O
(	O
Unified	O
UNIGINE	B-Application
Shader	B-Language
Language	I-Language
)	O
.	O
</s>
<s>
Proprietary	B-Application
SSRTGI	O
(	O
Screen	O
Space	O
Ray-Traced	O
Global	B-Algorithm
Illumination	I-Algorithm
)	O
rendering	O
technology	O
was	O
introduced	O
in	O
version	O
2.5	O
.	O
</s>
<s>
The	O
roots	O
of	O
UNIGINE	B-Application
are	O
in	O
the	O
frustum.org	O
open	O
source	O
project	O
,	O
which	O
was	O
initiated	O
in	O
2002	O
by	O
Alexander	O
"	O
Frustum	O
"	O
Zaprjagaev	O
,	O
who	O
is	O
a	O
co-founder	O
(	O
along	O
with	O
Denis	O
Shergin	O
,	O
CEO	O
)	O
and	O
ex-CTO	O
of	O
UNIGINE	B-Application
Company	O
.	O
</s>
<s>
On	O
November	O
25	O
,	O
2010	O
,	O
UNIGINE	B-Application
Company	O
announced	O
a	O
competition	O
to	O
support	O
Linux	B-Application
game	I-Application
development	O
.	O
</s>
<s>
They	O
agreed	O
to	O
give	O
away	O
a	O
free	O
license	O
of	O
the	O
UNIGINE	B-Application
engine	O
to	O
anyone	O
willing	O
to	O
develop	O
and	O
release	O
a	O
game	O
with	O
a	O
Linux	B-Application
native	O
client	O
,	O
and	O
would	O
also	O
grant	O
the	O
team	O
a	O
Windows	O
license	O
.	O
</s>
<s>
Due	O
to	O
the	O
unexpected	O
response	O
,	O
UNIGINE	B-Application
decided	O
to	O
extend	O
the	O
offer	O
to	O
the	O
three	O
best	O
applicants	O
,	O
with	O
each	O
getting	O
full	O
UNIGINE	B-Application
licenses	O
.	O
</s>
<s>
The	O
winners	O
were	O
announced	O
on	O
December	O
13	O
,	O
2010	O
,	O
with	O
the	O
developers	O
selected	O
being	O
Kot-in-Action	O
Creative	O
Artel	O
(	O
who	O
previously	O
developed	O
Steel	B-Application
Storm	I-Application
)	O
,	O
Gamepulp	O
(	O
who	O
intend	O
to	O
make	O
a	O
puzzle	O
platform	O
)	O
,	O
and	O
MED-ART	O
(	O
who	O
previously	O
worked	O
on	O
Painkiller	B-Application
:	I-Application
Resurrection	I-Application
)	O
.	O
</s>
<s>
Some	O
companies	O
that	O
develop	O
software	O
for	O
professional	O
aircraft	O
,	O
ships	O
&	O
vehicle	O
simulators	O
use	O
UNIGINE	B-Application
Engine	O
as	O
a	O
base	O
for	O
the	O
3D	O
&	O
VR	O
visualization	B-Application
.	O
</s>
<s>
UNIGINE	B-Application
Engine	O
is	O
used	O
as	O
a	O
platform	O
for	O
a	O
series	O
of	O
benchmarks	O
,	O
which	O
can	O
be	O
used	O
to	O
determine	O
the	O
stability	O
of	O
PC	O
hardware	O
(	O
CPU	O
,	O
GPU	O
,	O
power	O
supply	O
,	O
cooling	O
system	O
)	O
under	O
extremely	O
stressful	O
conditions	O
,	O
as	O
well	O
as	O
for	O
overclocking	B-Application
:	O
</s>
