diff options
Diffstat (limited to 'src/3rdparty/libwebp/src/dsp/filters_sse2.c')
-rw-r--r-- | src/3rdparty/libwebp/src/dsp/filters_sse2.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/src/3rdparty/libwebp/src/dsp/filters_sse2.c b/src/3rdparty/libwebp/src/dsp/filters_sse2.c index 5a18895..4b3f2d0 100644 --- a/src/3rdparty/libwebp/src/dsp/filters_sse2.c +++ b/src/3rdparty/libwebp/src/dsp/filters_sse2.c @@ -163,7 +163,8 @@ static void GradientPredictDirect_SSE2(const uint8_t* const row, _mm_storel_epi64((__m128i*)(out + i), H); } for (; i < length; ++i) { - out[i] = row[i] - GradientPredictor_SSE2(row[i - 1], top[i], top[i - 1]); + const int delta = GradientPredictor_SSE2(row[i - 1], top[i], top[i - 1]); + out[i] = (uint8_t)(row[i] - delta); } } @@ -188,7 +189,7 @@ static WEBP_INLINE void DoGradientFilter_SSE2(const uint8_t* in, // Filter line-by-line. while (row < last_row) { - out[0] = in[0] - in[-stride]; + out[0] = (uint8_t)(in[0] - in[-stride]); GradientPredictDirect_SSE2(in + 1, in + 1 - stride, out + 1, width - 1); ++row; in += stride; @@ -223,7 +224,7 @@ static void HorizontalUnfilter_SSE2(const uint8_t* prev, const uint8_t* in, uint8_t* out, int width) { int i; __m128i last; - out[0] = in[0] + (prev == NULL ? 0 : prev[0]); + out[0] = (uint8_t)(in[0] + (prev == NULL ? 0 : prev[0])); if (width <= 1) return; last = _mm_set_epi32(0, 0, 0, out[0]); for (i = 1; i + 8 <= width; i += 8) { @@ -238,7 +239,7 @@ static void HorizontalUnfilter_SSE2(const uint8_t* prev, const uint8_t* in, _mm_storel_epi64((__m128i*)(out + i), A7); last = _mm_srli_epi64(A7, 56); } - for (; i < width; ++i) out[i] = in[i] + out[i - 1]; + for (; i < width; ++i) out[i] = (uint8_t)(in[i] + out[i - 1]); } static void VerticalUnfilter_SSE2(const uint8_t* prev, const uint8_t* in, @@ -259,7 +260,7 @@ static void VerticalUnfilter_SSE2(const uint8_t* prev, const uint8_t* in, _mm_storeu_si128((__m128i*)&out[i + 0], C0); _mm_storeu_si128((__m128i*)&out[i + 16], C1); } - for (; i < width; ++i) out[i] = in[i] + prev[i]; + for (; i < width; ++i) out[i] = (uint8_t)(in[i] + prev[i]); } } @@ -296,7 +297,8 @@ static void GradientPredictInverse_SSE2(const uint8_t* const in, _mm_storel_epi64((__m128i*)&row[i], out); } for (; i < length; ++i) { - row[i] = in[i] + GradientPredictor_SSE2(row[i - 1], top[i], top[i - 1]); + const int delta = GradientPredictor_SSE2(row[i - 1], top[i], top[i - 1]); + row[i] = (uint8_t)(in[i] + delta); } } } @@ -306,7 +308,7 @@ static void GradientUnfilter_SSE2(const uint8_t* prev, const uint8_t* in, if (prev == NULL) { HorizontalUnfilter_SSE2(NULL, in, out, width); } else { - out[0] = in[0] + prev[0]; // predict from above + out[0] = (uint8_t)(in[0] + prev[0]); // predict from above GradientPredictInverse_SSE2(in + 1, prev + 1, out + 1, width - 1); } } |