diff options
Diffstat (limited to 'src/gui/painting/qdrawhelper.cpp')
| -rw-r--r-- | src/gui/painting/qdrawhelper.cpp | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp index fdd613f32b..ebfe1162f4 100644 --- a/src/gui/painting/qdrawhelper.cpp +++ b/src/gui/painting/qdrawhelper.cpp @@ -1861,9 +1861,6 @@ static inline uint interpolate_4_pixels_16(uint tl, uint tr, uint bl, uint br, u #if defined(__SSE2__) static inline QRgba64 interpolate_4_pixels_rgb64(QRgba64 t[], QRgba64 b[], uint distx, uint disty) { - const __m128i vdistx = _mm_shufflelo_epi16(_mm_cvtsi32_si128(distx), _MM_SHUFFLE(0, 0, 0, 0)); - const __m128i vidistx = _mm_shufflelo_epi16(_mm_cvtsi32_si128(0x10000 - distx), _MM_SHUFFLE(0, 0, 0, 0)); - __m128i vt = _mm_loadu_si128((const __m128i*)t); if (disty) { __m128i vb = _mm_loadu_si128((const __m128i*)b); @@ -1871,8 +1868,12 @@ static inline QRgba64 interpolate_4_pixels_rgb64(QRgba64 t[], QRgba64 b[], uint vb = _mm_mulhi_epu16(vb, _mm_set1_epi16(disty)); vt = _mm_add_epi16(vt, vb); } - vt = _mm_mulhi_epu16(vt, _mm_unpacklo_epi64(vidistx, vdistx)); - vt = _mm_add_epi16(vt, _mm_srli_si128(vt, 8)); + if (distx) { + const __m128i vdistx = _mm_shufflelo_epi16(_mm_cvtsi32_si128(distx), _MM_SHUFFLE(0, 0, 0, 0)); + const __m128i vidistx = _mm_shufflelo_epi16(_mm_cvtsi32_si128(0x10000 - distx), _MM_SHUFFLE(0, 0, 0, 0)); + vt = _mm_mulhi_epu16(vt, _mm_unpacklo_epi64(vidistx, vdistx)); + vt = _mm_add_epi16(vt, _mm_srli_si128(vt, 8)); + } #ifdef Q_PROCESSOR_X86_64 return QRgba64::fromRgba64(_mm_cvtsi128_si64(vt)); #else @@ -3119,8 +3120,6 @@ static const QRgba64 *QT_FASTCALL fetchTransformedBilinear64(QRgba64 *buffer, co for (int i = 0; i < len; ++i) { int distx = (fx & 0x0000ffff); #if defined(__SSE2__) - const __m128i vdistx = _mm_shufflelo_epi16(_mm_cvtsi32_si128(distx), _MM_SHUFFLE(0, 0, 0, 0)); - const __m128i vidistx = _mm_shufflelo_epi16(_mm_cvtsi32_si128(0x10000 - distx), _MM_SHUFFLE(0, 0, 0, 0)); __m128i vt = _mm_loadu_si128((const __m128i*)(buf1 + i*2)); if (disty) { __m128i vb = _mm_loadu_si128((const __m128i*)(buf2 + i*2)); @@ -3128,8 +3127,12 @@ static const QRgba64 *QT_FASTCALL fetchTransformedBilinear64(QRgba64 *buffer, co vb = _mm_mulhi_epu16(vb, vdy); vt = _mm_add_epi16(vt, vb); } - vt = _mm_mulhi_epu16(vt, _mm_unpacklo_epi64(vidistx, vdistx)); - vt = _mm_add_epi16(vt, _mm_srli_si128(vt, 8)); + if (distx) { + const __m128i vdistx = _mm_shufflelo_epi16(_mm_cvtsi32_si128(distx), _MM_SHUFFLE(0, 0, 0, 0)); + const __m128i vidistx = _mm_shufflelo_epi16(_mm_cvtsi32_si128(0x10000 - distx), _MM_SHUFFLE(0, 0, 0, 0)); + vt = _mm_mulhi_epu16(vt, _mm_unpacklo_epi64(vidistx, vdistx)); + vt = _mm_add_epi16(vt, _mm_srli_si128(vt, 8)); + } _mm_storel_epi64((__m128i*)(b+i), vt); #else b[i] = interpolate_4_pixels_rgb64((QRgba64 *)buf1 + i*2, (QRgba64 *)buf2 + i*2, distx, disty); |