diff options
Diffstat (limited to 'src/gui/painting/qdrawhelper.cpp')
| -rw-r--r-- | src/gui/painting/qdrawhelper.cpp | 35 |
1 files changed, 25 insertions, 10 deletions
diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp index 4df7f8a..194dda3 100644 --- a/src/gui/painting/qdrawhelper.cpp +++ b/src/gui/painting/qdrawhelper.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -44,6 +44,7 @@ #include <private/qpainter_p.h> #include <private/qdrawhelper_x86_p.h> #include <private/qdrawhelper_armv6_p.h> +#include <private/qdrawhelper_neon_p.h> #include <private/qmath_p.h> #include <qmath.h> @@ -1182,7 +1183,7 @@ static const uint * QT_FASTCALL fetchConicalGradient(uint *buffer, const Operato rx -= data->gradient.conical.center.x; ry -= data->gradient.conical.center.y; while (buffer < end) { - qreal angle = atan2(ry, rx) + data->gradient.conical.angle; + qreal angle = qAtan2(ry, rx) + data->gradient.conical.angle; *buffer = qt_gradient_pixel(&data->gradient, 1 - angle / (2*Q_PI)); @@ -1196,7 +1197,7 @@ static const uint * QT_FASTCALL fetchConicalGradient(uint *buffer, const Operato if (!rw) rw = 1; while (buffer < end) { - qreal angle = atan2(ry/rw - data->gradient.conical.center.x, + qreal angle = qAtan2(ry/rw - data->gradient.conical.center.x, rx/rw - data->gradient.conical.center.y) + data->gradient.conical.angle; @@ -1363,7 +1364,10 @@ static void QT_FASTCALL comp_func_SourceOver(uint *dest, const uint *src, int le for (int i = 0; i < length; ++i) { PRELOAD_COND2(dest, src) uint s = src[i]; - dest[i] = s + BYTE_MUL(dest[i], qAlpha(~s)); + if (s >= 0xff000000) + dest[i] = s; + else if (s != 0) + dest[i] = s + BYTE_MUL(dest[i], qAlpha(~s)); } } else { for (int i = 0; i < length; ++i) { @@ -7140,17 +7144,17 @@ void qt_build_pow_tables() { } #else for (int i=0; i<256; ++i) { - qt_pow_rgb_gamma[i] = uchar(qRound(pow(i / qreal(255.0), smoothing) * 255)); - qt_pow_rgb_invgamma[i] = uchar(qRound(pow(i / qreal(255.), 1 / smoothing) * 255)); + qt_pow_rgb_gamma[i] = uchar(qRound(qPow(i / qreal(255.0), smoothing) * 255)); + qt_pow_rgb_invgamma[i] = uchar(qRound(qPow(i / qreal(255.), 1 / smoothing) * 255)); } #endif #if defined(Q_OS_WIN) && !defined(Q_OS_WINCE) const qreal gray_gamma = 2.31; for (int i=0; i<256; ++i) - qt_pow_gamma[i] = uint(qRound(pow(i / qreal(255.), gray_gamma) * 2047)); + qt_pow_gamma[i] = uint(qRound(qPow(i / qreal(255.), gray_gamma) * 2047)); for (int i=0; i<2048; ++i) - qt_pow_invgamma[i] = uchar(qRound(pow(i / 2047.0, 1 / gray_gamma) * 255)); + qt_pow_invgamma[i] = uchar(qRound(qPow(i / 2047.0, 1 / gray_gamma) * 255)); #endif } @@ -7725,7 +7729,8 @@ enum CPUFeatures { SSE = 0x10, SSE2 = 0x20, CMOV = 0x40, - IWMMXT = 0x80 + IWMMXT = 0x80, + NEON = 0x100 }; static uint detectCPUFeatures() @@ -7751,6 +7756,9 @@ static uint detectCPUFeatures() // runtime detection only available when running as a previlegied process static const bool doIWMMXT = !qgetenv("QT_NO_IWMMXT").toInt(); return doIWMMXT ? IWMMXT : 0; +#elif defined(QT_HAVE_NEON) + static const bool doNEON = !qgetenv("QT_NO_NEON").toInt(); + return doNEON ? NEON : 0; #else uint features = 0; #if defined(__x86_64__) || defined(Q_OS_WIN64) @@ -8122,7 +8130,14 @@ void qInitDrawhelperAsm() qBlendFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_RGB32] = qt_blend_rgb32_on_rgb32_armv6; qBlendFunctions[QImage::Format_RGB32][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32_armv6; qBlendFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32_armv6; -#endif // Q_CC_RVCT && QT_HAVE_ARMV6 +#elif defined(QT_HAVE_NEON) + if (features & NEON) { + qBlendFunctions[QImage::Format_RGB32][QImage::Format_RGB32] = qt_blend_rgb32_on_rgb32_neon; + qBlendFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_RGB32] = qt_blend_rgb32_on_rgb32_neon; + qBlendFunctions[QImage::Format_RGB32][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32_neon; + qBlendFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32_neon; + } +#endif if (functionForModeSolidAsm) { const int destinationMode = QPainter::CompositionMode_Destination; |