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| author |  commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2014-05-14 13:34:42 +0000 |
|---|---|---|
| committer | commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2014-05-14 13:34:42 +0000 |
| commit | f70e917df73ab776c8869e6f9caa381a03e5f595 (patch) | |
| tree | d3118e8f2e6de6e7e9710b5c0543a65b9e609ba6 /include/core/SkColorPriv.h | |
| parent | fc6dfbab7565bb02db50f38f21b2c7d6c8f61c5c (diff) | |
By default, Chromium optimizes for size when compiling on Android.
Forcing the SkAlphaMulQ() function inline can yield as much as a 5-10%
improvement in rasterization time for some of Chromium's telemetry
tests on the Nexus 10, since it's in the inner loop of complex blends.
R=mtklein@google.com, reed@google.com, tomhudson@google.com
Author: tomhudson@chromium.org
Review URL: https://codereview.chromium.org/283753003
git-svn-id: http://skia.googlecode.com/svn/trunk@14723 2bbb7eff-a529-9590-31e7-b0007b416f81
Diffstat (limited to 'include/core/SkColorPriv.h')
| -rw-r--r-- | include/core/SkColorPriv.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/core/SkColorPriv.h b/include/core/SkColorPriv.h index 8fd1e57fa7..21e17836dd 100644 --- a/include/core/SkColorPriv.h +++ b/include/core/SkColorPriv.h @@ -524,7 +524,9 @@ SkPMColor SkPremultiplyARGBInline(U8CPU a, U8CPU r, U8CPU g, U8CPU b) { return SkPackARGB32(a, r, g, b); } -static inline uint32_t SkAlphaMulQ(uint32_t c, unsigned scale) { +// When Android is compiled optimizing for size, SkAlphaMulQ doesn't get +// inlined; forcing inlining significantly improves performance. +static SK_ALWAYS_INLINE uint32_t SkAlphaMulQ(uint32_t c, unsigned scale) { uint32_t mask = 0xFF00FF; uint32_t rb = ((c & mask) * scale) >> 8; |