10 Commits

Author SHA1 Message Date
fbarchard@google.com
4e78b8dc2e scale to 3/4 or 3/8 with odd width destinations efficiently. previously if width was not multiple of what the simd loop would do (24), scaling would fall back on slower C code. This change allows SIMD to be used for most of the scaling and C for the remainder, improving efficiency.
BUG=314
TESTED=set LIBYUV_WIDTH=1896 & ScaleDownBy3by4_*
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/48249004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1380 16f28f9a-4ce2-e073-06de-1de4eb20be90
2015-04-27 21:56:08 +00:00
fbarchard@google.com
1ffb04b43e Allow ScaleRowDown any functions to accept non-power of 2 for destination SIMD multiple.
BUG=none
TESTED=local unittests pass
R=bcornell@google.com

Review URL: https://webrtc-codereview.appspot.com/45129004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1379 16f28f9a-4ce2-e073-06de-1de4eb20be90
2015-04-24 22:32:12 +00:00
fbarchard@google.com
2b7f6b7dee ScaleAddRows_Any_SSE2 functions for handling odd widths.
BUG=425
TESTED=out\release\libyuv_unittest_old --gtest_filter=*.ScaleDownBy3_*
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/45219004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1377 16f28f9a-4ce2-e073-06de-1de4eb20be90
2015-04-22 00:51:56 +00:00
yang.zhang@arm.com
5f609856de Add ScaleARGBFilterCols_NEON for ARM32/64
ARM32/64 NEON versions of ScaleARGBFilterCols_NEON are implemented.

BUG=319
TESTED=libyuvTest.* on ARM32/64 with Android
R=fbarchard@google.com

Change-Id: Ifea62bc25d846bf16cb51d13b408de7bf58dccd4

Review URL: https://webrtc-codereview.appspot.com/46699004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1361 16f28f9a-4ce2-e073-06de-1de4eb20be90
2015-04-07 03:45:29 +00:00
fbarchard@google.com
44b6ba91e4 Scale down by 4 for odd number of destination pixels using 'any' that handles SIMD for multiple of 8 pixels, and C for the remainder.
BUG=314
TESTED=local test with width odd

Review URL: https://webrtc-codereview.appspot.com/49599004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1355 16f28f9a-4ce2-e073-06de-1de4eb20be90
2015-04-03 22:12:53 +00:00
yang.zhang@arm.com
f23d6222ac Add ScaleARGBCols_NEON for ARM32/64
ARM32/64 NEON versions of ScaleARGBCols_NEON are implemented.

BUG=319
TESTED=libyuvTest.* on ARM32/64 with Android
R=fbarchard@google.com

Change-Id: Id9ad97f7aa5d8a34cd55ace9e648cb6ff028efd9

Review URL: https://webrtc-codereview.appspot.com/47689004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1351 16f28f9a-4ce2-e073-06de-1de4eb20be90
2015-03-31 03:03:05 +00:00
fbarchard@google.com
72673ac873 linear and point sample scale to half size for AVX2.
BUG=314
TESTED=out\release\libyuv_unittest.exe --gtest_catch_exceptions=0 --gtest_filter=*.ScaleDownBy2*
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/44959004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1349 16f28f9a-4ce2-e073-06de-1de4eb20be90
2015-03-30 21:46:08 +00:00
fbarchard@google.com
e6ca9cc2a2 Scale down by 2 AVX2 port. Processes twice as many pixels as SSE2 and takes advantage of 3 argument instructions to reduce register usage and number of instructions.
BUG=314
TESTED=libyuvTest.ScaleDownBy2_Box
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/42959004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1347 16f28f9a-4ce2-e073-06de-1de4eb20be90
2015-03-26 23:21:08 +00:00
fbarchard@google.com
d41fbf40dd Handle scale down by factor of 2 efficiently by calling SIMD for multiple of 16 destination pixels, and C for remainder.
BUG=314
TESTED=out\release\libyuv_unittest.exe --gtest_catch_exceptions=0 --gtest_filter=*.ScaleDownBy2*
R=bcornell@google.com

Review URL: https://webrtc-codereview.appspot.com/48689004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1344 16f28f9a-4ce2-e073-06de-1de4eb20be90
2015-03-24 23:25:30 +00:00
yang.zhang@arm.com
d6d7de5742 Add ScaleFilterCols_NEON for ARM32/64
ARM32/64 NEON versions of ScaleFilterCols_NEON are implemented.

BUG=319
TESTED=libyuvTest.* on ARM32/64 with Android
R=fbarchard@google.com

Change-Id: I5b0838769ffb0182155d7cd6bcc520eb81eb5c4e

Review URL: https://webrtc-codereview.appspot.com/41349004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1340 16f28f9a-4ce2-e073-06de-1de4eb20be90
2015-03-19 03:55:05 +00:00