<s>
In	O
computing	O
,	O
WinG	O
(	O
pronounced	O
Win	O
Gee	O
)	O
is	O
an	O
application	B-Application
programming	I-Application
interface	I-Application
that	O
was	O
designed	O
to	O
provide	O
faster	O
graphics	O
performance	O
on	O
Windows	O
3.x	O
operating	B-Application
environments	I-Application
,	O
and	O
was	O
initially	O
positioned	O
as	O
a	O
way	O
to	O
help	O
game	O
developers	O
more	O
easily	O
port	O
their	O
DOS	B-Device
games	O
to	O
Microsoft	B-Application
Windows	I-Application
,	O
although	O
it	O
was	O
quickly	O
discontinued	O
in	O
favor	O
of	O
DirectX	B-Application
.	O
</s>
<s>
The	O
first	O
problem	O
that	O
WinG	O
fixed	O
was	O
that	O
Windows	O
3.x	O
did	O
not	O
support	O
creating	O
Device	O
Contexts	O
(	O
DCs	O
)	O
based	O
on	O
device	B-Device
independent	I-Device
bitmaps	I-Device
,	O
only	O
actual	O
display	O
devices	O
.	O
</s>
<s>
One	O
major	O
limitation	O
of	O
the	O
Graphics	B-Operating_System
Device	I-Operating_System
Interface	I-Operating_System
(	O
GDI	O
)	O
DCs	O
was	O
that	O
they	O
were	O
write-only	O
.	O
</s>
<s>
Alex	O
St.	O
John	O
,	O
one	O
of	O
the	O
creators	O
of	O
DirectX	B-Application
,	O
said	O
in	O
a	O
2000	O
interview	O
that	O
,	O
</s>
<s>
Microsoft	O
announced	O
WinG	O
at	O
the	O
1994	O
Game	O
Developers	O
Conference	O
,	O
demonstrating	O
it	O
with	O
a	O
port	O
by	O
id	O
Software	O
of	O
Doom	B-Application
.	O
</s>
<s>
As	O
a	O
result	O
,	O
WinG	O
was	O
deprecated	O
and	O
DirectX	B-Application
was	O
built	O
.	O
</s>
<s>
WinG	O
introduced	O
a	O
new	O
type	O
of	O
DC	O
called	O
a	O
WinGDC	O
,	O
which	O
allowed	O
programmers	O
to	O
both	O
read	O
and	O
write	O
to	O
it	O
directly	O
using	O
device-independent	B-Device
bitmaps	I-Device
(	O
DIBs	O
)	O
with	O
the	O
wingdib.drv	O
driver	O
.	O
</s>
<s>
Effectively	O
,	O
it	O
gave	O
programmers	O
the	O
ability	O
to	O
do	O
with	O
Windows	O
what	O
they	O
'd	O
been	O
doing	O
without	O
hardware	O
access	O
limitations	O
in	O
DOS	B-Device
for	O
years	O
.	O
</s>
<s>
WinG	O
also	O
provided	O
much	O
better	O
performance	O
when	O
blitting	B-Algorithm
graphics	O
data	O
to	O
physical	O
graphics	O
device	O
memory	O
.	O
</s>
<s>
Since	O
WinG	O
used	O
the	O
DIB	O
format	O
,	O
it	O
was	O
possible	O
to	O
mix	O
original	O
GDI	O
API	B-Application
calls	O
and	O
WinG	O
calls	O
.	O
</s>
<s>
as	O
a	O
separate	O
API	B-Application
to	O
Win32	B-Library
)	O
was	O
dropped	O
in	O
Windows	B-Device
98	I-Device
Second	O
Edition	O
(	O
which	O
integrated	O
DirectX	B-Application
6	O
)	O
,	O
as	O
it	O
did	O
nothing	O
but	O
pass	O
through	O
to	O
the	O
Win32	B-Library
APIs	I-Library
that	O
it	O
was	O
wrapping	O
(	O
including	O
CreateDIBSection	O
)	O
.	O
</s>
