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SkBSwap32

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Seems handy.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1619923002

Review URL: https://codereview.chromium.org/1619923002
This commit is contained in:
mtklein 2016-01-22 07:54:08 -08:00 committed by Commit bot
parent 8bf7b79cf9
commit 6a377e629d
1 changed files with 10 additions and 0 deletions
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10
src/core/SkMathPriv.h
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@ -82,4 +82,14 @@ static inline float SkPinToUnitFloat(float x) {
return SkTMin(SkTMax(x, 0.0f), 1.0f);
}
/**
* Swap byte order of a 4-byte value, e.g. 0xaarrggbb -> 0xbbggrraa.
*/
#if defined(_MSC_VER)
#include <intrin.h>
static inline uint32_t SkBSwap32(uint32_t v) { return _byteswap_ulong(v); }
#else
static inline uint32_t SkBSwap32(uint32_t v) { return __builtin_bswap32(v); }
#endif
#endif