4 Commits

Author SHA1 Message Date
Frank Barchard
12f9b5f351 Add commment for jpeg parameters.
Bug: None
Test: Try bots
Change-Id: I7b90731e828169af96b3e0b8f8821635cff57755
Reviewed-on: https://chromium-review.googlesource.com/c/1308819
Reviewed-by: Frank Barchard <fbarchard@chromium.org>
2018-11-01 18:18:50 +00:00
lixia zhang
bf69adfd64 libyuv:loongson Correct the optimization of mmi on loongson3a platform.
When loading or storing the data, the unaligned address will greatly degrade
the optimization performance, so non-aligned access instructions are required
on the loongson platform.

Also delete the optimization function:ScaleARGBFilterCols_MMI,
because it degraded the performance.

BUG=libyuv:804
R=fbarchard@chromium.org

Change-Id: If4c15886a21cdcbac7ae8b336292e4549acf1e47
Reviewed-on: https://chromium-review.googlesource.com/1164627
Reviewed-by: Frank Barchard <fbarchard@chromium.org>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
2018-08-11 09:27:20 +00:00
Frank Barchard
57de382902 MMI ifdef guards and add source to various build files.
Bug: libyuv:810,libyuv:811
Test: cmake . && make
Change-Id: I521b45ccb6e49ff70823e415efa99fc5b9daad99
Reviewed-on: https://chromium-review.googlesource.com/1162503
Reviewed-by: Johann Koenig <johannkoenig@google.com>
2018-08-03 18:37:23 +00:00
lixia zhang
21be9122aa libyuv:loongson optimize compare/row/scale/rotate files with mmi.
Currently, libyuv supports MIPS SIMD Arch(MSA),
but libyuv does not supports MultiMedia Instruction(MMI)(such as loongson3a platform).

In order to improve performance of libyuv on loongson3a platform,
this provides optimize 98 functions with mmi.

BUG=libyuv:804

Change-Id: I8947626009efad769b3103a867363ece25d79629
Reviewed-on: https://chromium-review.googlesource.com/1122064
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
Reviewed-by: Frank Barchard <fbarchard@chromium.org>
2018-07-20 22:53:04 +00:00