<s>
Reality	B-Application
Lab	I-Application
was	O
a	O
3D	O
computer	O
graphics	O
API	B-General_Concept
created	O
by	O
RenderMorphics	B-Application
to	O
provide	O
a	O
standardized	O
interface	O
for	O
writing	O
games	O
.	O
</s>
<s>
It	O
was	O
one	O
of	O
the	O
main	O
contenders	O
in	O
the	O
realtime	O
3D	O
middleware	O
marketplace	O
at	O
the	O
time	O
,	O
alongside	O
Criterion	O
Software	O
's	O
RenderWare	O
and	O
Argonaut	O
Software	O
's	O
BRender	B-Application
.	O
</s>
<s>
Reality	B-Application
Lab	I-Application
was	O
a	O
scene	B-Data_Structure
graph	I-Data_Structure
API	B-General_Concept
providing	O
real-time	O
rendering	O
that	O
would	O
run	O
with	O
acceptable	O
performance	O
on	O
graphics	B-Device
cards	I-Device
or	O
the	O
host	O
computer	O
's	O
CPU	B-Device
.	O
</s>
<s>
After	O
a	O
short	O
time	O
on	O
the	O
market	O
,	O
RenderMorphics	B-Application
was	O
purchased	O
by	O
Microsoft	O
in	O
February	O
1995	O
and	O
Reality	B-Application
Lab	I-Application
formed	O
the	O
basis	O
for	O
Direct3D	B-Application
.	O
</s>
<s>
Microsoft	O
's	O
acquisition	O
statement	O
of	O
RenderMorphics	B-Application
contained	O
a	O
description	O
of	O
Reality	B-Application
Lab	I-Application
:	O
"	O
RenderMorphics	B-Application
 '	O
flagship	O
product	O
,	O
Reality	O
Lab(TM )	O
,	O
provides	O
high-performance	O
3-D	O
graphics	O
technology	O
for	O
a	O
variety	O
of	O
personal	O
computer-based	O
games	O
and	O
multimedia	O
applications	O
.	O
</s>
<s>
Reality	B-Application
Lab	I-Application
has	O
been	O
acclaimed	O
by	O
a	O
wide	O
range	O
of	O
developers	O
,	O
including	O
Autodesk	O
,	O
Creative	O
Labs	O
,	O
Kaleida	O
Labs	O
and	O
Virgin	O
Entertainment	O
.	O
</s>
<s>
"	O
Architecturally	O
Reality	B-Application
Lab	I-Application
was	O
then	O
separated	O
into	O
a	O
low	O
layer	O
immediate	O
mode	O
API	B-General_Concept
and	O
layered	O
upon	O
it	O
the	O
original	O
scene	B-Data_Structure
graph	I-Data_Structure
API	B-General_Concept
which	O
was	O
afterwards	O
called	O
retained	O
mode	O
API	B-General_Concept
.	O
</s>
<s>
Direct3D	B-Application
shipped	O
for	O
the	O
first	O
time	O
in	O
the	O
DirectX	B-Application
2.0	O
SDK	O
in	O
June	O
1996	O
.	O
</s>
