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Unified Diff: src/core/SkMathPriv.h

Issue 1619923002: SkBSwap32 (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: rebase Created 4 years, 11 months ago
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Index: src/core/SkMathPriv.h
diff --git a/src/core/SkMathPriv.h b/src/core/SkMathPriv.h
index 6cca44e958295fbaf58f151ca0aefab4bc23f7f9..1b64a6cd33937a2303414d78ed5a563e336cd87c 100644
--- a/src/core/SkMathPriv.h
+++ b/src/core/SkMathPriv.h
@@ -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
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