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-rw-r--r--src/gui/painting/qdrawhelper.cpp23
1 files changed, 19 insertions, 4 deletions
diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp
index 23236ec..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>
@@ -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) {
@@ -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;