Skip to content
Projects
Groups
Snippets
Help
Loading...
Sign in / Register
Toggle navigation
F
ffmpeg
Project
Project
Details
Activity
Cycle Analytics
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Charts
Issues
0
Issues
0
List
Board
Labels
Milestones
Merge Requests
0
Merge Requests
0
CI / CD
CI / CD
Pipelines
Jobs
Schedules
Charts
Packages
Packages
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Charts
Create a new issue
Jobs
Commits
Issue Boards
Open sidebar
submodule
ffmpeg
Commits
f91c4b78
Commit
f91c4b78
authored
Jan 27, 2012
by
Ronald S. Bultje
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
png: add SSE2 version for add_bytes_l2.
parent
59f474b4
Hide whitespace changes
Inline
Side-by-side
Showing
2 changed files
with
26 additions
and
0 deletions
+26
-0
pngdsp-init.c
libavcodec/x86/pngdsp-init.c
+6
-0
pngdsp.asm
libavcodec/x86/pngdsp.asm
+20
-0
No files found.
libavcodec/x86/pngdsp-init.c
View file @
f91c4b78
...
...
@@ -29,16 +29,22 @@ void ff_add_png_paeth_prediction_ssse3(uint8_t *dst, uint8_t *src,
uint8_t
*
top
,
int
w
,
int
bpp
);
void
ff_add_bytes_l2_mmx
(
uint8_t
*
dst
,
uint8_t
*
src1
,
uint8_t
*
src2
,
int
w
);
void
ff_add_bytes_l2_sse2
(
uint8_t
*
dst
,
uint8_t
*
src1
,
uint8_t
*
src2
,
int
w
);
void
ff_pngdsp_init_x86
(
PNGDSPContext
*
dsp
)
{
#if HAVE_YASM
int
flags
=
av_get_cpu_flags
();
#if ARCH_X86_32
if
(
flags
&
AV_CPU_FLAG_MMX
)
dsp
->
add_bytes_l2
=
ff_add_bytes_l2_mmx
;
#endif
if
(
flags
&
AV_CPU_FLAG_MMX2
)
dsp
->
add_paeth_prediction
=
ff_add_png_paeth_prediction_mmx2
;
if
(
flags
&
AV_CPU_FLAG_SSE2
)
dsp
->
add_bytes_l2
=
ff_add_bytes_l2_sse2
;
if
(
flags
&
AV_CPU_FLAG_SSSE3
)
dsp
->
add_paeth_prediction
=
ff_add_png_paeth_prediction_ssse3
;
#endif
...
...
libavcodec/x86/pngdsp.asm
View file @
f91c4b78
...
...
@@ -53,6 +53,21 @@ cglobal add_bytes_l2, 4, 6, %1, dst, src1, src2, wa, w, i
cmp
iq
,
waq
jl
.
loop_v
%if
mmsize
==
16
; vector loop
mov
wq
,
waq
and
waq
,
~
7
jmp
.
end_l
.
loop_l
:
movq
mm0
,
[
src1q
+
iq
]
paddb
mm0
,
[
src2q
+
iq
]
movq
[
dstq
+
iq
]
,
mm0
add
iq
,
8
.
end_l
:
cmp
iq
,
waq
jl
.
loop_l
%endif
; scalar loop for leftover
jmp
.
end_s
.
loop_s
:
...
...
@@ -66,8 +81,13 @@ cglobal add_bytes_l2, 4, 6, %1, dst, src1, src2, wa, w, i
REP_RET
%endmacro
%if
ARCH_X86_32
INIT_MMX
mmx
ADD_BYTES_FN
0
%endif
INIT_XMM
sse2
ADD_BYTES_FN
2
%macro
ADD_PAETH_PRED_FN
1
cglobal
add_png_paeth_prediction
,
5
,
7
,
%1
,
dst
,
src
,
top
,
w
,
bpp
,
end
,
cntr
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment