diff options
Diffstat (limited to 'src/3rdparty/libwebp/src/dsp/alpha_processing_neon.c')
| -rw-r--r-- | src/3rdparty/libwebp/src/dsp/alpha_processing_neon.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/3rdparty/libwebp/src/dsp/alpha_processing_neon.c b/src/3rdparty/libwebp/src/dsp/alpha_processing_neon.c index 9e0ace9..6716fb7 100644 --- a/src/3rdparty/libwebp/src/dsp/alpha_processing_neon.c +++ b/src/3rdparty/libwebp/src/dsp/alpha_processing_neon.c @@ -83,7 +83,7 @@ static void ApplyAlphaMultiply_NEON(uint8_t* rgba, int alpha_first, static int DispatchAlpha_NEON(const uint8_t* WEBP_RESTRICT alpha, int alpha_stride, int width, int height, uint8_t* WEBP_RESTRICT dst, int dst_stride) { - uint32_t alpha_mask = 0xffffffffu; + uint32_t alpha_mask = 0xffu; uint8x8_t mask8 = vdup_n_u8(0xff); uint32_t tmp[2]; int i, j; @@ -107,6 +107,7 @@ static int DispatchAlpha_NEON(const uint8_t* WEBP_RESTRICT alpha, dst += dst_stride; } vst1_u8((uint8_t*)tmp, mask8); + alpha_mask *= 0x01010101; alpha_mask &= tmp[0]; alpha_mask &= tmp[1]; return (alpha_mask != 0xffffffffu); @@ -135,7 +136,7 @@ static void DispatchAlphaToGreen_NEON(const uint8_t* WEBP_RESTRICT alpha, static int ExtractAlpha_NEON(const uint8_t* WEBP_RESTRICT argb, int argb_stride, int width, int height, uint8_t* WEBP_RESTRICT alpha, int alpha_stride) { - uint32_t alpha_mask = 0xffffffffu; + uint32_t alpha_mask = 0xffu; uint8x8_t mask8 = vdup_n_u8(0xff); uint32_t tmp[2]; int i, j; @@ -157,6 +158,7 @@ static int ExtractAlpha_NEON(const uint8_t* WEBP_RESTRICT argb, int argb_stride, alpha += alpha_stride; } vst1_u8((uint8_t*)tmp, mask8); + alpha_mask *= 0x01010101; alpha_mask &= tmp[0]; alpha_mask &= tmp[1]; return (alpha_mask == 0xffffffffu); |