diff options
| author |  commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2014-05-21 12:43:07 +0000 |
|---|---|---|
| committer | commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2014-05-21 12:43:07 +0000 |
| commit | f0ea77a3630e6d1c01d83aa5430b3780da9e88b6 (patch) | |
| tree | 8a4371e68c70a8b71b59e73bbae6ae4c8afd109b /src/core/SkBlitRow_D32.cpp | |
| parent | 74ff1badf43169fa4ecc952994930edec4e56bee (diff) | |
SSE2 implementation of memcpy32
With SSE2 version memcpy32, S32_Opaque_BlitRow32() in SkBlitRow_D32.cpp
has about 30% performance improvement. Here are the data on desktop
i7-3770.
before:
bitmap_scale_filter_90_90 8888: cmsecs = 2.01
bitmaprect_FF_filter_trans 8888: cmsecs = 3.61
bitmaprect_FF_nofilter_trans 8888: cmsecs = 3.57
bitmaprect_FF_filter_identity 8888: cmsecs = 3.53
bitmaprect_FF_nofilter_identity 8888: cmsecs = 3.53
bitmap_4444_update 8888: cmsecs = 4.84
bitmap_4444_update_volatile 8888: cmsecs = 4.81
bitmap_4444 8888: cmsecs = 4.81
after:
bitmap_scale_filter_90_90 8888: cmsecs = 1.83
bitmaprect_FF_filter_trans 8888: cmsecs = 2.36
bitmaprect_FF_nofilter_trans 8888: cmsecs = 2.36
bitmaprect_FF_filter_identity 8888: cmsecs = 2.60
bitmaprect_FF_nofilter_identity 8888: cmsecs = 2.63
bitmap_4444_update 8888: cmsecs = 3.30
bitmap_4444_update_volatile 8888: cmsecs = 3.30
bitmap_4444 8888: cmsecs = 3.29
BUG=skia:
R=mtklein@google.com, reed@google.com, bsalomon@google.com
Author: qiankun.miao@intel.com
Review URL: https://codereview.chromium.org/285313002
git-svn-id: http://skia.googlecode.com/svn/trunk@14822 2bbb7eff-a529-9590-31e7-b0007b416f81
Diffstat (limited to 'src/core/SkBlitRow_D32.cpp')
| -rw-r--r-- | src/core/SkBlitRow_D32.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/core/SkBlitRow_D32.cpp b/src/core/SkBlitRow_D32.cpp index c858af6318..f8cf9a34a9 100644 --- a/src/core/SkBlitRow_D32.cpp +++ b/src/core/SkBlitRow_D32.cpp @@ -18,7 +18,7 @@ static void S32_Opaque_BlitRow32(SkPMColor* SK_RESTRICT dst, const SkPMColor* SK_RESTRICT src, int count, U8CPU alpha) { SkASSERT(255 == alpha); - memcpy(dst, src, count * sizeof(SkPMColor)); + sk_memcpy32(dst, src, count); } static void S32_Blend_BlitRow32(SkPMColor* SK_RESTRICT dst, |