diff options
Diffstat (limited to 'src/gui/painting/qdrawhelper_sse2.cpp')
| -rw-r--r-- | src/gui/painting/qdrawhelper_sse2.cpp | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/src/gui/painting/qdrawhelper_sse2.cpp b/src/gui/painting/qdrawhelper_sse2.cpp index 5ff08e8153..edce70d2d0 100644 --- a/src/gui/painting/qdrawhelper_sse2.cpp +++ b/src/gui/painting/qdrawhelper_sse2.cpp @@ -101,7 +101,6 @@ void qt_blend_rgb32_on_rgb32_sse2(uchar *destPixels, int dbpl, quint32 *dst = (quint32 *) destPixels; if (const_alpha != 256) { if (const_alpha != 0) { - const __m128i nullVector = _mm_set1_epi32(0); const __m128i half = _mm_set1_epi16(0x80); const __m128i colorMask = _mm_set1_epi32(0x00ff00ff); @@ -119,12 +118,10 @@ void qt_blend_rgb32_on_rgb32_sse2(uchar *destPixels, int dbpl, for (; x < w-3; x += 4) { __m128i srcVector = _mm_loadu_si128((const __m128i *)&src[x]); - if (_mm_movemask_epi8(_mm_cmpeq_epi32(srcVector, nullVector)) != 0xffff) { - const __m128i dstVector = _mm_load_si128((__m128i *)&dst[x]); - __m128i result; - INTERPOLATE_PIXEL_255_SSE2(result, srcVector, dstVector, constAlphaVector, oneMinusConstAlpha, colorMask, half); - _mm_store_si128((__m128i *)&dst[x], result); - } + const __m128i dstVector = _mm_load_si128((__m128i *)&dst[x]); + __m128i result; + INTERPOLATE_PIXEL_255_SSE2(result, srcVector, dstVector, constAlphaVector, oneMinusConstAlpha, colorMask, half); + _mm_store_si128((__m128i *)&dst[x], result); } SIMD_EPILOGUE(x, w, 3) dst[x] = INTERPOLATE_PIXEL_255(src[x], const_alpha, dst[x], one_minus_const_alpha); |