dany/libwebp
1
0
Fork 0
mirror of https://github.com/webmproject/libwebp.git synced 2025-01-04 01:38:22 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity
2,907 Commits 35 Branches 66 Tags 15 MiB
68eebcb0ff
Commit Graph

75 Commits

Author SHA1 Message Date
James Zern
d623a8706f dec_neon: add whitespace around stringizing operator 
prevents unintentional side-effects (though unlikely in this case) with
future compilers, cf:
eebaf97 dsp/mips: add whitespace around stringizing operator

Change-Id: I0537091fcc97b4f54d0a156c3c83a28c51456b17
 2015-09-03 23:13:56 -07:00
Pascal Massimino
751506c484 remove some duplicate FlipSign() 
ApplyFilter2NoFlip is the new variant of ApplyFilter2 without the sign-flip

Change-Id: I2af54bd1499118c8321183e42251d265ba76219c
 2015-06-05 17:20:29 +02:00
James Zern
64960da9e1 dec_neon: add VE8uv / VE16 
VE8uv/VE16: ~25%/~33% faster over 20M pixels

Change-Id: Ifac1114091527a05ed10edfcc43852edff012d14
 2015-05-30 13:40:00 -07:00
James Zern
14dbd87bed dec_neon: add HE8uv / HE16 
HE8uv/HE16: ~91%/~83% faster over 20M pixels

Change-Id: Ib0a776f7c193593ea0993e92cfa6e6be000fb810
 2015-05-30 13:39:24 -07:00
James Zern
aa6065aedd dec_neon: use vld1_dup(mem) rather than vdup(mem[0]) 
should result in slightly less general purpose register use

Change-Id: I6069f49541392e56c8db2c28c8d1fdf88c1a1726
 2015-05-16 11:24:32 -07:00
James Zern
dc48196bd9 dec_neon: add TM16 
over 20M pixels ~78% faster

Change-Id: I420d5d590f275f19e08f86df1d1caa6b82fffbde
 2015-05-15 12:50:11 -07:00
James Zern
ea95b305ca dec_neon/TrueMotion: simply left border load 
use vld1_dup_u8() rather than a separate ld+dup after the values were
zero extended; mildly faster at the function level

Change-Id: I1b3666a6aeb465722a1214dbc6d71c27689a7f89
 2015-05-15 12:48:13 -07:00
James Zern
a6c1593645 dec_neon: add DC16 intra predictors 
improvement over 20M pixels:
DC16: ~77%
DC16NoTop: ~78%
DC16NoLeft: ~83%
DC16NoTopLeft: ~83%

Change-Id: I4c4ee16a8fa0eb466eee45dfa6f6bbce5ce64b99
 2015-05-08 00:12:48 -07:00
James Zern
4c9af02326 dec_neon: add DC8uvNoTopLeft 
~93% faster

Change-Id: Icf0fd5f85ac53c306a1b69d84275023e5b24a602
 2015-05-01 20:03:57 -07:00
James Zern
b44eda3f60 dsp: add DSP_INIT_STUB 
generates a stub function when the specific architecture is not enabled,
exposing a symbol in the module, avoiding a compiler warning

Change-Id: Ia9336e57466a9b5241b85c1c95838e91c9283147
 2015-04-02 23:55:35 -07:00
James Zern
66de69c1fe dsp/dec*.c: rework WEBP_USE_<arch> ifdef 
add a dummy init rather than repeating the '#ifdef WEBP_USE_...'
pattern.

Change-Id: I319bc7714f36b8a3d8b35f6474e5592a439aaf24
 2015-03-20 19:19:37 -07:00
James Zern
b969f5dfac dsp: normalize WEBP_TSAN_IGNORE_FUNCTION usage 
the attribute is only necessary in one location; remove it from the
prototypes.

Change-Id: I3820a3c34fbb029fd7ac69a1b0a9b76091bdbde2
 2015-02-13 15:23:40 -08:00
James Zern
f8740f0d6c dsp: s/USE_INTRINSICS/WEBP_USE_INTRINSICS/ 
for consistency with other defines shared across modules

Change-Id: I30cdb9f892e9ea48265883f560500ffb1d6799ee
 2015-01-12 14:27:36 -08:00
James Zern
e7c5954c10 dec_neon: remove returns from void functions 
Change-Id: I3c66a5dfe3de2bb3653cbbf1b92b0328aba62881
 2015-01-09 18:08:05 -08:00
James Zern
14108d7878 dec_neon: add DC8uvNoTop / DC8uvNoLeft 
adds do_top/do_left flags to DC8uv; ~88% / ~92% faster respectively
no change in DC8uv speed.

Change-Id: I109ec4d9ad13c9db64516e98ed4693a21a3e9b54
 2014-12-22 15:47:38 -05:00
James Zern
d8340da756 dec_neon: add DC8uv 
~87% faster.

Change-Id: I73fe77437792f1361ce8ab0b411132c6ec0fa021
 2014-12-22 14:36:45 -05:00
James Zern
9de9074c92 dec_neon: add TM8uv 
~68% faster

reuses TM4() adding support for the additional rows, the columns were
already being done.

Change-Id: I6eac17e58cd1c636082bf7281f70f884ec399a6b
 2014-11-25 14:40:17 -08:00
James Zern
22881c999e dec_neon: add RD4 intra predictor 
based on the SSE2 version; a bit rough around the loads, but still ~38%
faster.

Change-Id: I22426d939a7354cbc9a85ca8c68235d6081b882f
 2014-10-24 21:22:07 +02:00
James Zern
1304eb3418 Merge "dec_neon: DC4: use pair-wise adds for top row" 2014-10-23 08:08:34 -07:00
James Zern
0db9031c79 dsp/dec_{neon,sse2}: VE4: normalize variable names 
use '0' rather than '_' when dealing with variables that result from a
shift

Change-Id: I29280c0dead645ce39dc4bb42c3e19929b302fd4
 2014-10-23 16:04:13 +02:00
James Zern
b5bc15305b dec_neon: DC4: use pair-wise adds for top row 
reduces load count, slightly faster

Change-Id: I880340ef8ef75ce4ce321c330f56f86b758bda08
 2014-10-23 15:48:49 +02:00
James Zern
eba6ce06c3 dec_neon: add DC4 intra predictor 
~70% faster

Change-Id: I2e06907b8d69be71a8c5581832c931923c24bab0
 2014-10-23 14:21:08 +02:00
James Zern
79abfbd9df dec_neon: add TM4 intra predictor 
~21% faster

Change-Id: Ia9ed4ca650f9d544821fa1faf3173611806a272a
 2014-10-23 14:21:08 +02:00
James Zern
fe395f0e4d dec_neon: add LD4 intra predictor 
based on SSE2 version, ~55% faster

Change-Id: I782282ffc31dcf238890b3ba0decccf1d793dad0
 2014-10-23 14:20:47 +02:00
James Zern
32de385eca dec_neon: add VE4 intra predictor 
based on SSE2 version, ~59% faster

Change-Id: Iaa2181eb51bd975de0e9fe5c7b66ed18188f0e3b
 2014-10-23 11:46:08 +02:00
James Zern
a4c3a31b8f WEBP_TSAN_IGNORE_FUNCTION: fix gcc compat warning 
move the attribute to the front of the function to quiet clang warning:
GCC does not allow no_sanitize_thread attribute in this position on a
function definition

Change-Id: Ie4cc6e35a07bd00eab67d9cd6801bd2be9cfe676
 2014-10-16 18:06:43 +02:00
Pascal Massimino
80247291c6 mark some init function as being safe for thread_sanitizer. 
introduces the macro WEBP_TSAN_IGNORE_FUNCTION

Change-Id: I3de2b6c1a2076fba4da7ae50322551e026b2082b
 2014-10-16 16:34:07 +02:00
James Zern
c76f07ecc2 dec_neon/TransformAC3: initialize vector w/vcreate 
replaces {} initialization gnu-ism

Change-Id: I5bedcba1a9c21883207301f07456cc6a843199a0
 2014-07-11 15:56:53 -07:00
James Zern
e59f53600f neon: normalize vdup_n_* usage 
with constants, prefer this over vmov_n_* or vcreate_*

Change-Id: Ia84b2a82faea58e2626211a7e2257e0ba4af358a
 2014-07-01 00:55:05 -07:00
James Zern
bc03670f01 neon: add INIT_VECTOR4 
used to initialize NxMx4 vector types
replaces initialization via '{{ }}' gnu-ism.

Change-Id: I0da7b3d321f3d48579b7863fb2e4d3f449ae7f5e
 2014-07-01 00:18:23 -07:00
James Zern
6c1c632b03 neon: add INIT_VECTOR3 
used to initialize NxMx3 vector types
replaces initialization via '{{ }}' gnu-ism.

Change-Id: Idad2f278ab104cf2cc650517194258ce3cfb37b4
 2014-06-30 23:53:23 -07:00
James Zern
dc7687e51b neon: add INIT_VECTOR2 
used to initialize NxMx2 vector types
replaces initialization via '{{ }}' gnu-ism.

Change-Id: I4accc305c7dd4c886b63c22e38890b629bffb139
 2014-06-30 23:52:42 -07:00
skal
ea8b0a171d strong filtering speed-up (~2-3% x86, ~1-2% for NEON) 
Extract loop invariant and avoid storing/loading samples
if they can be re-used. This is particularly interesting when
a transpose is involved (HFilter16i).

Change-Id: I93274620f6da220a35025ff8708ff0c9ee8c4139
 2014-06-03 07:14:23 +02:00
James Zern
9251c2f6d2 (enc|dec)_neon: use vcreate_*() where appropriate 
this is more portable than {} initialization.
more involved cases are left for a follow-up.

Change-Id: If8783423d17e90694b168a64ba313ed62ce2cc17
 2014-05-27 16:26:56 -07:00
James Zern
b9d2bb67d6 dsp/neon.h: coalesce intrinsics-related defines 
Change-Id: Ifadd41a5bbf7f99eeb6d75d2b67daa25e0544946
 2014-05-03 11:34:07 -07:00
James Zern
c8bbb636ea dec_neon: relocate some inline-asm defines 
move simple loop filter defines closer to their use and LOAD* to a
location common with the intrinsics

Change-Id: Iaec506d27bbc9a01be20936e30b68a4b0e690ee3
 2014-04-28 00:41:42 -07:00
James Zern
4e393bb9f1 dec_neon: enable intrinsics-only functions 
the complex loop filter has no inline equivalent; the simple loop filter
remains conditional on USE_INTRINSICS: it's left undefined for now.

Change-Id: I4f258e10458df53a7a1819707c8f46b450e9d9d2
 2014-04-28 00:39:46 -07:00
James Zern
ba99a922ab dec_neon: use positive tests for USE_INTRINSICS 
makes Simple* layout consistent with the rest of the file

Change-Id: Ib3108b0f2c694c634210e22027c253ea6236a9c6
 2014-04-28 00:38:47 -07:00
James Zern
a7828e8bdb dec_neon: make WORK_AROUND_GCC conditional on version 
Change-Id: Ic1b95f8749988de90df7c1ff6c537a21981329db
 2014-04-28 00:01:19 -07:00
pascal massimino
ca49e7ad97 Merge "enc_neon: move Transpose4x4 to dsp/neon.h" 2014-04-27 01:11:05 -07:00
James Zern
5e1a17ef4b enc_neon: move Transpose4x4 to dsp/neon.h 
+ reuse it in TransformWHT()

Change-Id: Idfbd0f9b58d6253ac3d65ba55b58989c427ee989
 2014-04-26 14:06:04 -07:00
James Zern
c7b92a5a29 dec_neon: (WORK_AROUND_GCC) delete unused Load4x8 
using this in Load4x16 was slightly slower and didn't help mitigate any
of the remaining build issues with 4.6.x.

Change-Id: Idabfe1b528842a514d14a85f4cefeb90abe08e51
 2014-04-26 12:36:14 -07:00
James Zern
71bca5ecf3 dec_neon: use vst_lane instead of vget_lane 
results in fewer instructions, small speed improvement

Change-Id: I98de632d09ff09f295368c0d744cb4397b585084
 2014-04-03 14:56:26 -07:00
skal
bf06105293 Intrinsics NEON version of TransformOne 
+ misc cosmetics

* seems 4% slower than inlined-asm with gcc-4.6
* is a tad faster (<1%) with gcc-4.8
(disabled for now)

Change-Id: Iea6cd00053a2e9c1b1ccfdad1378be26584f1095
 2014-04-03 14:41:56 -07:00
pascal massimino
19c6f1ba74 Merge "dec_neon: use vld?_lane instead of vset?_lane" 2014-04-03 01:16:29 -07:00
James Zern
fa52d7525f dec_neon: use vld?_lane instead of vset?_lane 
results in fewer instructions, small speed improvement

Change-Id: I61ab48d09a5ce7c5158eac8244d28287457edc7a
 2014-04-02 23:03:18 -07:00
Pascal Massimino
c520e77d94 cosmetic: fix long line 
Change-Id: Id04b368aea5784a98c705f323b32d35b362742ea
 2014-04-02 23:00:50 -07:00
skal
e351ec0759 add intrinsics NEON code for chroma strong-filtering 
The nice trick is to pack 8 u + 8 v samples into a single uint8x16x_t
register, and re-use the previous (luma) functions

Change-Id: Idf50ed2d6b7137ea080d603062bc9e0c66d79f38
 2014-04-03 06:58:21 +02:00
skal
5fbff3a646 Add strong filtering intrinsics (inner and outer edges) 
+ added some work-around gcc-4.6 to make it compile (except one function).
+ lots of revamping

All variants tested ok.
Speed-up is ~5-7%

Change-Id: I5ceda2ee5debfada090907fe3696889eb66269c3
 2014-04-02 08:28:55 +02:00
James Zern
26029568b7 dec_neon: add strong loopfilter intrinsics 
vertical only currently, 2.5-3% faster
placed under USE_INTRINSICS as this change depends on the simple
loopfilter
improves the simple loopfilter slightly thanks to some reorganization

Change-Id: I6611441fa54228549b21ea74c013cb78d53c7155
 2014-04-01 01:13:50 -07:00