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Merge "webp/lossless: fix big endian BGRA output"

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pascal massimino 2013-05-17 00:36:15 -07:00 committed by Gerrit Code Review
commit 2d6ac422cf
1 changed files with 10 additions and 3 deletions
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11
src/dsp/lossless.c
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@ -1279,11 +1279,12 @@ static void CopyOrSwap(const uint32_t* src, int num_pixels, uint8_t* dst,
while (src < src_end) { while (src < src_end) {
uint32_t argb = *src++; uint32_t argb = *src++;
#if !defined(__BIG_ENDIAN__)
#if !defined(WEBP_REFERENCE_IMPLEMENTATION) #if !defined(WEBP_REFERENCE_IMPLEMENTATION)
#if !defined(__BIG_ENDIAN__) && (defined(__i386__) || defined(__x86_64__)) #if defined(__i386__) || defined(__x86_64__)
__asm__ volatile("bswap %0" : "=r"(argb) : "0"(argb)); __asm__ volatile("bswap %0" : "=r"(argb) : "0"(argb));
*(uint32_t*)dst = argb; *(uint32_t*)dst = argb;
#elif !defined(__BIG_ENDIAN__) && defined(_MSC_VER) #elif defined(_MSC_VER)
argb = _byteswap_ulong(argb); argb = _byteswap_ulong(argb);
*(uint32_t*)dst = argb; *(uint32_t*)dst = argb;
#else #else
@ -1297,6 +1298,12 @@ static void CopyOrSwap(const uint32_t* src, int num_pixels, uint8_t* dst,
dst[1] = (argb >> 16) & 0xff; dst[1] = (argb >> 16) & 0xff;
dst[2] = (argb >> 8) & 0xff; dst[2] = (argb >> 8) & 0xff;
dst[3] = (argb >> 0) & 0xff; dst[3] = (argb >> 0) & 0xff;
#endif
#else // __BIG_ENDIAN__
dst[0] = (argb >> 0) & 0xff;
dst[1] = (argb >> 8) & 0xff;
dst[2] = (argb >> 16) & 0xff;
dst[3] = (argb >> 24) & 0xff;
#endif #endif
dst += sizeof(argb); dst += sizeof(argb);
} }