From 93f6a065f8e0e083582890a245b7dcc3cd8c7ef6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?R=C3=A9mi=20Verschelde?= Date: Mon, 4 Mar 2019 13:02:20 +0100 Subject: libwebp: Sync with upstream 1.0.2 --- thirdparty/libwebp/src/utils/utils.h | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) (limited to 'thirdparty/libwebp/src/utils/utils.h') diff --git a/thirdparty/libwebp/src/utils/utils.h b/thirdparty/libwebp/src/utils/utils.h index da97b5d38f..c7620f91ec 100644 --- a/thirdparty/libwebp/src/utils/utils.h +++ b/thirdparty/libwebp/src/utils/utils.h @@ -107,19 +107,6 @@ static WEBP_INLINE void PutLE32(uint8_t* const data, uint32_t val) { PutLE16(data + 2, (int)(val >> 16)); } -// Returns 31 ^ clz(n) = log2(n). This is the default C-implementation, either -// based on table or not. Can be used as fallback if clz() is not available. -#define WEBP_NEED_LOG_TABLE_8BIT -extern const uint8_t WebPLogTable8bit[256]; -static WEBP_INLINE int WebPLog2FloorC(uint32_t n) { - int log_value = 0; - while (n >= 256) { - log_value += 8; - n >>= 8; - } - return log_value + WebPLogTable8bit[n]; -} - // Returns (int)floor(log2(n)). n must be > 0. // use GNU builtins where available. #if defined(__GNUC__) && \ @@ -138,6 +125,19 @@ static WEBP_INLINE int BitsLog2Floor(uint32_t n) { return first_set_bit; } #else // default: use the C-version. +// Returns 31 ^ clz(n) = log2(n). This is the default C-implementation, either +// based on table or not. Can be used as fallback if clz() is not available. +#define WEBP_NEED_LOG_TABLE_8BIT +extern const uint8_t WebPLogTable8bit[256]; +static WEBP_INLINE int WebPLog2FloorC(uint32_t n) { + int log_value = 0; + while (n >= 256) { + log_value += 8; + n >>= 8; + } + return log_value + WebPLogTable8bit[n]; +} + static WEBP_INLINE int BitsLog2Floor(uint32_t n) { return WebPLog2FloorC(n); } #endif -- cgit v1.2.3