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| author | Allan Sandfeld Jensen <allan.jensen@theqtcompany.com> | 2015-04-10 15:34:23 +0200 |
|---|---|---|
| committer | Allan Sandfeld Jensen <allan.jensen@theqtcompany.com> | 2015-04-13 19:14:52 +0000 |
| commit | 5c7d2d1d6772b1d7e808aa37659ce5654f0862da (patch) | |
| tree | 917b31367cadfbbaf1e08cb183657155952fb926 /src/gui/painting/qrgba64_p.h | |
| parent | 29380121efad2355a69cb3f8110bf193baa312b4 (diff) | |
Add support for more composition modes in rgb64 rendering
Change-Id: I3bacecbabdf2d7b2de1acd86ab9383e69924a390
Reviewed-by: Gunnar Sletta <gunnar@sletta.org>
Diffstat (limited to 'src/gui/painting/qrgba64_p.h')
| -rw-r--r-- | src/gui/painting/qrgba64_p.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/gui/painting/qrgba64_p.h b/src/gui/painting/qrgba64_p.h index a1452af8d9..0301c2a7de 100644 --- a/src/gui/painting/qrgba64_p.h +++ b/src/gui/painting/qrgba64_p.h @@ -78,6 +78,26 @@ inline QRgba64 interpolate255(QRgba64 x, uint alpha1, QRgba64 y, uint alpha2) return QRgba64::fromRgba64(multiplyAlpha255(x, alpha1) + multiplyAlpha255(y, alpha2)); } +inline QRgba64 interpolate65535(QRgba64 x, uint alpha1, QRgba64 y, uint alpha2) +{ + return QRgba64::fromRgba64(multiplyAlpha65535(x, alpha1) + multiplyAlpha65535(y, alpha2)); +} + +inline QRgba64 addWithSaturation(QRgba64 a, QRgba64 b) +{ +#if defined(__SSE2__) && defined(Q_PROCESSOR_X86_64) + __m128i va = _mm_cvtsi64_si128((quint64)a); + __m128i vb = _mm_cvtsi64_si128((quint64)b); + va = _mm_adds_epu16(va, vb); + return QRgba64::fromRgba64(_mm_cvtsi128_si64(va)); +#else + return QRgba64::fromRgba64(qMin(a.red() + b.red(), 65535), + qMin(a.green() + b.green(), 65535), + qMin(a.blue() + b.blue(), 65535), + qMin(a.alpha() + b.alpha(), 65535)); +#endif +} + QT_END_NAMESPACE #endif // QRGBA64_P_H |