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| author | Qt Continuous Integration System <qt-info@nokia.com> | 2010-09-13 21:41:32 (GMT) |
|---|---|---|
| committer | Qt Continuous Integration System <qt-info@nokia.com> | 2010-09-13 21:41:32 (GMT) |
| commit | f4dc906af870b2ed0d1446bb223e70db31791e8b (patch) | |
| tree | 7d1584f8f344065c9a7170ea506a90256ad492e1 | |
| parent | 870ecb5b44a56b29d16a4819c2d92298801cf98f (diff) | |
| parent | b5cd029cdd700069e603fe27049f3afb999a234c (diff) | |
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Merge branch '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-2 into 4.7-integration
* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-2:
Use aligned operations for solid SourceOver operations.
| -rw-r--r-- | src/gui/painting/qdrawhelper_sse2.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/gui/painting/qdrawhelper_sse2.cpp b/src/gui/painting/qdrawhelper_sse2.cpp index ac73958..f97d865 100644 --- a/src/gui/painting/qdrawhelper_sse2.cpp +++ b/src/gui/painting/qdrawhelper_sse2.cpp @@ -300,11 +300,14 @@ void QT_FASTCALL comp_func_solid_SourceOver_sse2(uint *destPixels, int length, u const __m128i half = _mm_set1_epi16(0x80); const __m128i minusAlphaOfColorVector = _mm_set1_epi16(minusAlphaOfColor); + ALIGNMENT_PROLOGUE_16BYTES(dst, x, length) + destPixels[x] = color + BYTE_MUL(destPixels[x], minusAlphaOfColor); + for (; x < length-3; x += 4) { - __m128i dstVector = _mm_loadu_si128((__m128i *)&dst[x]); + __m128i dstVector = _mm_load_si128((__m128i *)&dst[x]); BYTE_MUL_SSE2(dstVector, dstVector, minusAlphaOfColorVector, colorMask, half); dstVector = _mm_add_epi8(colorVector, dstVector); - _mm_storeu_si128((__m128i *)&dst[x], dstVector); + _mm_store_si128((__m128i *)&dst[x], dstVector); } for (;x < length; ++x) destPixels[x] = color + BYTE_MUL(destPixels[x], minusAlphaOfColor); |