<s>
Alpha	B-Algorithm
to	I-Algorithm
coverage	I-Algorithm
is	O
a	O
multisampling	B-Algorithm
computer	O
graphics	O
technique	O
,	O
that	O
replaces	O
alpha	B-Algorithm
blending	I-Algorithm
with	O
a	O
coverage	O
mask	O
.	O
</s>
<s>
This	O
achieves	O
order-independent	O
transparency	O
for	O
when	O
anti-aliasing	B-Error_Name
or	O
semi-transparent	O
textures	O
are	O
used	O
.	O
</s>
<s>
Alpha	B-Algorithm
to	I-Algorithm
coverage	I-Algorithm
multisampling	B-Algorithm
is	O
based	O
on	O
regular	O
multisampling	B-Algorithm
,	O
except	O
that	O
the	O
alpha	B-Algorithm
coverage	O
mask	O
is	O
ANDed	O
with	O
the	O
multisample	O
mask	O
.	O
</s>
<s>
Alpha-to-coverage	O
converts	O
the	O
alpha	B-Algorithm
component	O
output	O
from	O
the	O
pixel	O
shader	O
to	O
a	O
coverage	O
mask	O
.	O
</s>
<s>
When	O
the	O
multisampling	B-Algorithm
is	O
applied	O
each	O
output	O
fragment	O
gets	O
a	O
transparency	O
of	O
0	O
or	O
1	O
depending	O
on	O
alpha	B-Algorithm
coverage	O
and	O
the	O
multisampling	B-Algorithm
result	O
.	O
</s>
