--- a/src/gui/painting/qdrawhelper.cpp Tue Jan 26 12:42:25 2010 +0200
+++ b/src/gui/painting/qdrawhelper.cpp Tue Feb 02 00:43:10 2010 +0200
@@ -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 @@
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 @@
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;
@@ -2386,12 +2387,12 @@
}
/*
- if 2.Sca < Sa
- Dca' = Dca.(Sa - (1 - Dca/Da).(2.Sca - Sa)) + Sca.(1 - Da) + Dca.(1 - Sa)
- otherwise if 8.Dca <= Da
- Dca' = Dca.(Sa - (1 - Dca/Da).(2.Sca - Sa).(3 - 8.Dca/Da)) + Sca.(1 - Da) + Dca.(1 - Sa)
- otherwise
- Dca' = (Dca.Sa + ((Dca/Da)^(0.5).Da - Dca).(2.Sca - Sa)) + Sca.(1 - Da) + Dca.(1 - Sa)
+ if 2.Sca <= Sa
+ Dca' = Dca.(Sa + (2.Sca - Sa).(1 - Dca/Da)) + Sca.(1 - Da) + Dca.(1 - Sa)
+ otherwise if 2.Sca > Sa and 4.Dca <= Da
+ Dca' = Dca.Sa + Da.(2.Sca - Sa).(4.Dca/Da.(4.Dca/Da + 1).(Dca/Da - 1) + 7.Dca/Da) + Sca.(1 - Da) + Dca.(1 - Sa)
+ otherwise if 2.Sca > Sa and 4.Dca > Da
+ Dca' = Dca.Sa + Da.(2.Sca - Sa).((Dca/Da)^0.5 - Dca/Da) + Sca.(1 - Da) + Dca.(1 - Sa)
*/
static inline int soft_light_op(int dst, int src, int da, int sa)
{
@@ -2400,13 +2401,11 @@
const int temp = (src * (255 - da) + dst * (255 - sa)) * 255;
if (src2 < sa)
- return (dst * ((sa * 255) - (255 - dst_np) * (src2 - sa)) + temp) / 65025;
- else if (8 * dst <= da)
- return (dst * ((sa * 255) - ((255 - dst_np) * (src2 - sa) * ((3 * 255) - 8 * dst_np)) / 255) + temp) / 65025;
+ return (dst * (sa * 255 + (src2 - sa) * (255 - dst_np)) + temp) / 65025;
+ else if (4 * dst <= da)
+ return (dst * sa * 255 + da * (src2 - sa) * ((((16 * dst_np - 12 * 255) * dst_np + 3 * 65025) * dst_np) / 65025) + temp) / 65025;
else {
- // sqrt is too expensive to do three times per pixel, so skipping it for now
- // a future possibility is to use a LUT
- return ((dst * sa * 255) + (int(dst_np) * da - (dst * 255)) * (src2 - sa) + temp) / 65025;
+ return (dst * sa * 255 + da * (src2 - sa) * (int(sqrt(qreal(dst_np * 255))) - dst_np) + temp) / 65025;
}
}
@@ -7142,17 +7141,17 @@
}
#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
}
@@ -7424,6 +7423,14 @@
QT_RECTFILL(qargb4444)
#undef QT_RECTFILL
+inline static void qt_rectfill_nonpremul_quint32(QRasterBuffer *rasterBuffer,
+ int x, int y, int width, int height,
+ quint32 color)
+{
+ qt_rectfill<quint32>(reinterpret_cast<quint32 *>(rasterBuffer->buffer()),
+ INV_PREMUL(color), x, y, width, height, rasterBuffer->bytesPerLine());
+}
+
// Map table for destination image format. Contains function pointers
// for blends of various types unto the destination
@@ -7466,7 +7473,7 @@
qt_bitmapblit_quint32,
qt_alphamapblit_quint32,
qt_alphargbblit_quint32,
- qt_rectfill_quint32
+ qt_rectfill_nonpremul_quint32
},
// Format_ARGB32_Premultiplied
{
@@ -7719,7 +7726,8 @@
SSE = 0x10,
SSE2 = 0x20,
CMOV = 0x40,
- IWMMXT = 0x80
+ IWMMXT = 0x80,
+ NEON = 0x100
};
static uint detectCPUFeatures()
@@ -7745,6 +7753,9 @@
// 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)
@@ -8116,7 +8127,14 @@
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;