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| author | Andreas Kling <andreas.kling@nokia.com> | 2010-07-18 07:30:35 +0200 |
|---|---|---|
| committer | Andreas Kling <andreas.kling@nokia.com> | 2010-07-18 07:34:10 +0200 |
| commit | 23ea4340a622cbfed81eb7afb2e09ec64b0ebef8 (patch) | |
| tree | a6eca48b9e24f42999f612d7e350d8dddbb8d28a /src/gui/painting/qdrawingprimitive_sse2_p.h | |
| parent | b6786bd94b7300c7b8ebe56a3c88f12a13a05119 (diff) | |
Corrected BLEND_SOURCE_OVER_ARGB32_WITH_CONST_ALPHA_SSE2
The unaligned prologue was processed without using the const alpha.
Regressed with 9427b4c8f3b5.
Diffstat (limited to 'src/gui/painting/qdrawingprimitive_sse2_p.h')
| -rw-r--r-- | src/gui/painting/qdrawingprimitive_sse2_p.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/gui/painting/qdrawingprimitive_sse2_p.h b/src/gui/painting/qdrawingprimitive_sse2_p.h index b1f83066e8..18355c278b 100644 --- a/src/gui/painting/qdrawingprimitive_sse2_p.h +++ b/src/gui/painting/qdrawingprimitive_sse2_p.h @@ -205,11 +205,11 @@ QT_BEGIN_NAMESPACE const int offsetToAlignOn16Bytes = (4 - ((reinterpret_cast<quintptr>(dst) >> 2) & 0x3)) & 0x3;\ const int prologLength = qMin(length, offsetToAlignOn16Bytes);\ for (; x < prologLength; ++x) { \ - uint s = src[x]; \ - if (s >= 0xff000000) \ - dst[x] = s; \ - else if (s != 0) \ + quint32 s = src[x]; \ + if (s != 0) { \ + s = BYTE_MUL(s, const_alpha); \ dst[x] = s + BYTE_MUL(dst[x], qAlpha(~s)); \ + } \ } \ \ for (; x < length-3; x += 4) { \ |