<s>
Mantle	B-Application
was	O
a	O
low-overhead	O
rendering	O
API	O
targeted	O
at	O
3D	O
video	O
games	O
.	O
</s>
<s>
AMD	O
originally	O
developed	O
Mantle	B-Application
in	O
cooperation	O
with	O
DICE	O
,	O
starting	O
in	O
2013	O
.	O
</s>
<s>
Mantle	B-Application
was	O
designed	O
as	O
an	O
alternative	O
to	O
Direct3D	B-Application
and	O
OpenGL	B-Application
,	O
primarily	O
for	O
use	O
on	O
personal	B-Device
computers	I-Device
,	O
although	O
Mantle	B-Application
supports	O
the	O
GPUs	B-Architecture
present	O
in	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
and	O
in	O
the	B-Device
Xbox	I-Device
One	I-Device
.	O
</s>
<s>
In	O
2015	O
,	O
Mantle	B-Application
's	O
public	O
development	O
was	O
suspended	O
and	O
in	O
2019	O
completely	O
discontinued	O
,	O
as	O
DirectX	O
12	O
and	O
the	O
Mantle-derived	O
Vulkan	B-Application
rose	O
in	O
popularity	O
.	O
</s>
<s>
The	O
draw	O
call	O
improvements	O
of	O
Mantle	B-Application
help	O
alleviate	O
cases	O
where	O
the	O
CPU	O
is	O
the	O
bottleneck	O
.	O
</s>
<s>
The	O
design	O
goals	O
of	O
Mantle	B-Application
are	O
to	O
allow	O
games	O
and	O
applications	O
to	O
utilize	O
the	O
CPUs	B-General_Concept
and	O
GPUs	B-Architecture
more	O
efficiently	O
,	O
eliminate	O
CPU	O
bottlenecks	O
by	O
reducing	O
API	O
validation	O
overhead	O
and	O
allowing	O
more	O
effective	O
scaling	O
on	O
multiple	O
CPU	O
cores	O
,	O
provide	O
faster	O
draw	O
routines	O
,	O
and	O
allow	O
greater	O
control	O
over	O
the	O
graphics	O
pipeline	O
by	O
eliminating	O
certain	O
aspects	O
of	O
hardware	O
abstraction	O
inherent	O
to	O
both	O
current	O
prevailing	O
graphics	O
APIs	O
OpenGL	B-Application
and	O
Direct3D	B-Application
.	O
</s>
<s>
With	O
a	O
basic	O
implementation	O
,	O
Mantle	B-Application
was	O
designed	O
to	O
improve	O
performance	O
in	O
scenarios	O
where	O
the	O
CPU	O
is	O
the	O
limiting	O
factor	O
:	O
</s>
<s>
AMD	O
claims	O
that	O
Mantle	B-Application
can	O
generate	O
up	O
to	O
9	O
times	O
more	O
draw	O
calls	O
per	O
second	O
than	O
comparable	O
APIs	O
by	O
reducing	O
CPU	O
overhead	O
;	O
</s>
<s>
Mantle	B-Application
was	O
also	O
designed	O
to	O
improve	O
situations	O
where	O
high	O
resolutions	O
and	O
"	O
maximum	O
detail	O
"	O
settings	O
are	O
used	O
,	O
although	O
to	O
a	O
somewhat	O
lesser	O
degree	O
,	O
as	O
these	O
settings	O
tax	O
GPU	B-Architecture
resources	O
in	O
a	O
way	O
that	O
is	O
more	O
difficult	O
to	O
improve	O
at	O
the	O
API	O
level	O
.	O
</s>
<s>
While	O
Mantle	B-Application
provides	O
some	O
built-in	O
features	O
to	O
improve	O
GPU-bound	O
performance	O
,	O
gains	O
in	O
these	O
cases	O
are	O
largely	O
dependent	O
on	O
how	O
well	O
Mantle	B-Application
features	O
and	O
optimizations	O
are	O
being	O
utilized	O
by	O
the	O
game	O
engine	O
.	O
</s>
<s>
Improved	O
performance	O
in	O
Battlefield	O
4	O
and	O
up	O
to	O
319%	O
faster	O
in	O
the	O
Star	O
Swarm	O
demo	O
in	O
single	O
GPU	B-Architecture
configuration	O
in	O
extremely	O
CPU-limited	O
situations	O
.	O
</s>
<s>
At	O
GDC	O
14	O
Oxide	O
Games	O
employee	O
Dan	O
Baker	O
stated	O
that	O
Mantle	B-Application
would	O
address	O
fundamental	O
development	O
challenges	O
that	O
could	O
not	O
be	O
addressed	O
by	O
a	O
retrofit	O
of	O
an	O
existing	O
API	O
.	O
</s>
<s>
At	O
the	O
AMD	O
Developer	O
Summit	O
(	O
APU	O
)	O
in	O
November	O
2013	O
Johan	O
Andersson	O
,	O
technical	O
director	O
of	O
the	O
Frostbite	O
engine	O
at	O
DICE	O
praised	O
Mantle	B-Application
for	O
making	O
development	O
easier	O
and	O
enabling	O
developers	O
to	O
innovate	O
.	O
</s>
<s>
The	O
Mantle	B-Application
API	I-Application
was	O
only	O
available	O
as	O
part	O
of	O
AMD	B-Application
Catalyst	I-Application
prior	O
to	O
19.5.1	O
,	O
which	O
was	O
available	O
for	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
AMD	O
promised	O
to	O
support	O
their	O
Mantle	B-Application
API	I-Application
only	O
for	O
their	O
graphics	O
cards	O
and	O
APUs	O
which	O
are	O
based	O
on	O
their	O
Graphics	B-Architecture
Core	I-Architecture
Next	I-Architecture
microarchitecture	I-Architecture
,	O
but	O
not	O
older	O
products	O
based	O
on	O
the	O
TeraScale	B-Architecture
microarchitecture	I-Architecture
.	O
</s>
<s>
the	O
implementation	O
of	O
the	O
Mantle	B-Application
API	I-Application
was	O
available	O
for	O
the	O
following	O
hardware	O
:	O
</s>
<s>
Mantle	B-Application
was	O
originally	O
planned	O
to	O
be	O
released	O
on	O
other	O
platforms	O
than	O
Windows	B-Application
,	O
including	O
Linux	O
,	O
but	O
it	O
never	O
happened	O
.	O
</s>
<s>
While	O
the	O
API	O
was	O
officially	O
discontinued	O
,	O
Clément	O
Guérin	O
started	O
a	O
Mantle	B-Application
to	O
Vulkan	B-Application
translation	O
layer	O
called	O
GRVK	B-Application
in	O
mid	O
2020	O
.	O
</s>
<s>
This	O
allows	O
the	O
API	O
and	O
ultimately	O
the	O
games	O
to	O
live	O
on	O
even	O
without	O
Mantle	B-Application
supporting	O
graphic	O
drivers	O
.	O
</s>
<s>
At	O
GDC	O
2014	O
,	O
Crytek	O
announced	O
they	O
will	O
support	O
Mantle	B-Application
in	O
their	O
CryEngine	B-Application
.	O
</s>
<s>
During	O
a	O
GPU	B-Architecture
14	O
Tech	O
Days	O
presentation	O
,	O
an	O
announcement	O
was	O
made	O
that	O
Frostbite	O
3	O
would	O
include	O
a	O
Mantle	B-Application
backend	O
.	O
</s>
<s>
Mantle	B-Application
benchmark	O
is	O
still	O
available	O
in	O
a	O
free	O
Star	O
Swarm	O
stress	O
test	O
.	O
</s>
<s>
Thief	B-Application
is	O
based	O
on	O
a	O
modified	O
Unreal	O
Engine	O
3	O
that	O
supported	O
Mantle	B-Application
.	O
</s>
<s>
LORE	O
,	O
a	O
Civilization	B-Application
:	I-Application
Beyond	I-Application
Earth	I-Application
engine	O
supported	O
Mantle	B-Application
.	O
</s>
<s>
Asura	O
,	O
engine	O
used	O
by	O
Sniper	B-Application
Elite	I-Application
III	I-Application
supported	O
Mantle	B-Application
.	O
</s>
<s>
15	O
Frostbite	O
games	O
after	O
Battlefield	O
4	O
were	O
planned	O
to	O
support	O
Mantle	B-Application
,	O
potentially	O
including	O
Need	B-Application
for	I-Application
Speed	I-Application
Rivals	I-Application
,	O
Mass	B-Application
Effect	I-Application
:	I-Application
Andromeda	I-Application
,	O
Mirror	B-Application
's	I-Application
Edge	I-Application
Catalyst	I-Application
,	O
The	B-Application
Sims	I-Application
4	I-Application
and	O
Star	O
Wars	O
Battlefront	O
(	O
2015	O
)	O
.	O
</s>
<s>
There	O
have	O
been	O
rumours	O
about	O
other	O
games	O
from	O
that	O
time	O
,	O
including	O
Call	B-Application
of	I-Application
Duty	I-Application
:	I-Application
Advanced	I-Application
Warfare	I-Application
,	O
Dying	B-Device
Light	I-Device
,	O
Grand	B-Application
Theft	I-Application
Auto	I-Application
V	I-Application
and	O
Rise	B-Application
of	I-Application
the	I-Application
Tomb	I-Application
Raider	I-Application
potentially	O
supporting	O
Mantle	B-Application
,	O
but	O
these	O
reports	O
were	O
not	O
confirmed	O
.	O
</s>
<s>
A	O
set	O
of	O
recent	O
OpenGL	B-Application
4.4	O
features	O
,	O
coupled	O
with	O
bindless	O
texturing	O
as	O
an	O
extension	O
,	O
can	O
also	O
substantially	O
reduce	O
driver	O
overhead	O
.	O
</s>
<s>
This	O
approach	O
,	O
termed	O
by	O
the	B-Library
Khronos	I-Library
Group	I-Library
as	O
"	O
AZDO	O
"	O
(	O
Approaching	O
Zero	O
Driver	O
Overhead	O
)	O
has	O
been	O
shown	O
to	O
achieve	O
substantial	O
performance	O
improvements	O
,	O
approaching	O
those	O
stated	O
for	O
Mantle	B-Application
.	O
</s>
<s>
Nvidia	O
has	O
extended	O
OpenGL	B-Application
with	O
a	O
number	O
of	O
features	O
that	O
further	O
reduce	O
driver	O
overhead	O
.	O
</s>
<s>
After	O
details	O
about	O
DirectX	O
12	O
were	O
made	O
public	O
,	O
AMD	O
has	O
stated	O
that	O
they	O
fully	O
intend	O
to	O
support	O
DirectX	O
12	O
,	O
but	O
at	O
the	O
same	O
time	O
they	O
claimed	O
that	O
Mantle	B-Application
"	O
will	O
 [ still ] 	O
do	O
some	O
things	O
faster.	O
"	O
</s>
<s>
They	O
have	O
also	O
claimed	O
that	O
due	O
to	O
similarities	O
in	O
the	O
design	O
philosophy	O
of	O
the	O
two	O
APIs	O
,	O
porting	O
games	O
from	O
Mantle	B-Application
to	O
DirectX	O
12	O
will	O
be	O
relatively	O
straightforward	O
,	O
and	O
easier	O
than	O
porting	O
from	O
DirectX	O
11	O
to	O
12	O
.	O
</s>
<s>
Ultimately	O
,	O
AMD	O
discontinued	O
Mantle	B-Application
as	O
a	O
game	O
API	O
due	O
to	O
the	O
similar	O
aims	O
of	O
DirectX	O
12	O
and	O
glNext	B-Application
(	O
later	O
renamed	O
Vulkan	B-Application
)	O
.	O
</s>
<s>
AMD	O
donated	O
the	O
Mantle	B-Application
API	I-Application
to	O
the	B-Library
Khronos	I-Library
group	I-Library
,	O
which	O
developed	O
it	O
into	O
the	O
Vulkan	B-Application
API	I-Application
.	O
</s>
<s>
PC	O
gamers	O
and	O
professionals	O
traditionally	O
used	O
programs	O
such	O
as	O
Fraps	B-Protocol
and	O
Bandicam	B-Protocol
to	O
record	O
gameplay	O
,	O
measure	O
game	O
FPS	O
and	O
display	O
FPS	O
overlay	O
,	O
but	O
because	O
Mantle	B-Application
is	O
new	O
,	O
most	O
traditional	O
recording	O
software	O
does	O
not	O
work	O
with	O
new	O
titles	O
while	O
using	O
the	O
new	O
API	O
.	O
</s>
<s>
In	O
partnership	O
with	O
AMD	O
,	O
PC	O
gaming	O
community	O
and	O
game	O
recording	O
software	O
maker	O
Raptr	O
have	O
overhauled	O
their	O
client	O
and	O
have	O
since	O
re-branded	O
it	O
as	O
the	O
AMD	O
Gaming	B-Application
Evolved	I-Application
client	O
in	O
conjunction	O
with	O
AMD	O
's	O
Gaming	B-Application
Evolved	I-Application
initiative	O
in	O
the	O
PC	O
gaming	O
space	O
.	O
</s>
<s>
In	O
late	O
2014	O
,	O
AMD	O
updated	O
the	O
client	O
to	O
support	O
the	O
recording	O
and	O
streaming	O
of	O
titles	O
using	O
Mantle	B-Application
.	O
</s>
<s>
As	O
of	O
its	O
initial	O
update	O
into	O
the	O
client	O
,	O
the	O
Gaming	B-Application
Evolved	I-Application
software	O
was	O
the	O
only	O
software	O
to	O
officially	O
support	O
the	O
recording	O
and	O
streaming	O
of	O
Mantle	B-Application
enabled	O
games	O
.	O
</s>
<s>
Besides	O
Raptr	O
,	O
D3DGear	O
was	O
the	O
only	O
other	O
commercial	O
game	O
recording	O
software	O
that	O
supported	O
Mantle	B-Application
API	I-Application
based	O
games	O
.	O
</s>
