diff options
| author |  mtklein <mtklein@chromium.org> | 2016-08-08 09:06:27 -0700 |
|---|---|---|
| committer |  Commit bot <commit-bot@chromium.org> | 2016-08-08 09:06:28 -0700 |
| commit | 4e97607d9a1cef66fac16f347c5ca813ec4f9515 (patch) | |
| tree | e523cac97fae89a2abb1ec0d4c1fc87f86e3169f /src/pdf/SkPDFGraphicState.h | |
| parent | 9a5a201472c3fb9f02b954ba09ae1ec13ebd50f4 (diff) | |
Use sse4.2 CRC32 instructions to hash when available.
About 9x faster than Murmur3 for long inputs.
Most of this is a mechanical change from SkChecksum::Murmur3(...) to SkOpts::hash(...).
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2208903002
CQ_INCLUDE_TRYBOTS=master.client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot;master.client.skia.compile:Build-Ubuntu-GCC-x86_64-Release-CMake-Trybot,Build-Mac-Clang-x86_64-Release-CMake-Trybot
Review-Url: https://codereview.chromium.org/2208903002
Diffstat (limited to 'src/pdf/SkPDFGraphicState.h')
| -rw-r--r-- | src/pdf/SkPDFGraphicState.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/pdf/SkPDFGraphicState.h b/src/pdf/SkPDFGraphicState.h index 84491ba0d3..49723bd723 100644 --- a/src/pdf/SkPDFGraphicState.h +++ b/src/pdf/SkPDFGraphicState.h @@ -10,7 +10,7 @@ #define SkPDFGraphicState_DEFINED #include "SkPDFTypes.h" -#include "SkChecksum.h" +#include "SkOpts.h" class SkPaint; class SkPDFCanon; @@ -63,7 +63,7 @@ public: bool operator==(const SkPDFGraphicState& rhs) const { return 0 == memcmp(&fStrokeWidth, &rhs.fStrokeWidth, 12); } - uint32_t hash() const { return SkChecksum::Murmur3(&fStrokeWidth, 12); } + uint32_t hash() const { return SkOpts::hash(&fStrokeWidth, 12); } private: const SkScalar fStrokeWidth; |