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avoid temporaries in qt_gradient_quint32() and qt_gradient_quint16()

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Signed-off-by: Ivailo Monev <xakepa10@laimg.moc>
This commit is contained in:
Ivailo Monev 2020-03-09 14:22:55 +00:00
parent 6068071768
commit 8c67341807
1 changed files with 5 additions and 17 deletions
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22
src/gui/painting/qdrawhelper.cpp
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@ -4877,9 +4877,7 @@ static void qt_gradient_quint32(int count, const QSpan *spans, void *userData)
qreal ry = data->m22 * (y + 0.5) + data->dy;
qreal t = linear.dy*ry + linear.off;
t *= (GRADIENT_STOPTABLE_SIZE - 1);
quint32 color =
qt_gradient_pixel_fixed(&data->gradient,
int(t * FIXPT_SIZE));
quint32 color = qt_gradient_pixel_fixed(&data->gradient, int(t * FIXPT_SIZE));
This has then been converted to fixed point to improve performance.
*/
@ -4888,12 +4886,8 @@ static void qt_gradient_quint32(int count, const QSpan *spans, void *userData)
int off = int((((linear.dy * (data->m22 * qreal(0.5) + data->dy) + linear.off) * gss) * FIXPT_SIZE));
while (count--) {
int y = spans->y;
int x = spans->x;
quint32 *dst = (quint32 *)(data->rasterBuffer->scanLine(y)) + x;
quint32 color =
qt_gradient_pixel_fixed(&data->gradient, yinc * y + off);
quint32 *dst = (quint32 *)(data->rasterBuffer->scanLine(spans->y)) + spans->x;
quint32 color = qt_gradient_pixel_fixed(&data->gradient, yinc * spans->y + off);
funcSolid(dst, spans->len, color, spans->coverage);
++spans;
@ -4925,9 +4919,7 @@ static void qt_gradient_quint16(int count, const QSpan *spans, void *userData)
qreal ry = data->m22 * (y + 0.5) + data->dy;
qreal t = linear.dy*ry + linear.off;
t *= (GRADIENT_STOPTABLE_SIZE - 1);
quint32 color =
qt_gradient_pixel_fixed(&data->gradient,
int(t * FIXPT_SIZE));
quint32 color = qt_gradient_pixel_fixed(&data->gradient, int(t * FIXPT_SIZE));
This has then been converted to fixed point to improve performance.
*/
@ -4937,11 +4929,7 @@ static void qt_gradient_quint16(int count, const QSpan *spans, void *userData)
uint oldColor = data->solid.color;
while (count--) {
int y = spans->y;
quint32 color = qt_gradient_pixel_fixed(&data->gradient, yinc * y + off);
data->solid.color = color;
data->solid.color = qt_gradient_pixel_fixed(&data->gradient, yinc * spans->y + off);
blend_color_generic(1, spans, userData);
++spans;
}