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Avoid QRgba64 arrays in the generic text-rendering routines

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Like in other functions, allocate arrays of quint64 instead of QRgba64
to avoid the cost of initializing large arrays on every small scanline.

Change-Id: Ie132b3157003a18a444ca5c4f94ae668d17327fd
Reviewed-by: Gunnar Sletta <gunnar@crimson.no>
This commit is contained in:
Allan Sandfeld Jensen 2017-02-24 14:34:09 +01:00
parent 075e669cbe
commit 2e6ec59d47
1 changed files with 8 additions and 8 deletions
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16
src/gui/painting/qdrawhelper.cpp
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@ -5588,7 +5588,7 @@ static void qt_alphamapblit_generic(QRasterBuffer *rasterBuffer,
srcColor = colorProfile->toLinear(srcColor.unpremultiplied()).premultiplied();
}
QRgba64 buffer[buffer_size];
quint64 buffer[buffer_size];
const DestFetchProc64 destFetch64 = destFetchProc64[rasterBuffer->format];
const DestStoreProc64 destStore64 = destStoreProc64[rasterBuffer->format];
@ -5598,12 +5598,12 @@ static void qt_alphamapblit_generic(QRasterBuffer *rasterBuffer,
int length = mapWidth;
while (length > 0) {
int l = qMin(buffer_size, length);
QRgba64 *dest = destFetch64(buffer, rasterBuffer, i, y + ly, l);
QRgba64 *dest = destFetch64((QRgba64*)buffer, rasterBuffer, i, y + ly, l);
for (int j=0; j < l; ++j) {
const int coverage = map[j + (i - x)];
alphamapblend_generic(coverage, dest, j, srcColor, color, colorProfile);
}
destStore64(rasterBuffer, i, y + ly, buffer, l);
destStore64(rasterBuffer, i, y + ly, dest, l);
length -= l;
i += l;
}
@ -5625,7 +5625,7 @@ static void qt_alphamapblit_generic(QRasterBuffer *rasterBuffer,
int start = qMax<int>(x, clip.x);
int end = qMin<int>(x + mapWidth, clip.x + clip.len);
Q_ASSERT(clip.len <= buffer_size);
QRgba64 *dest = destFetch64(buffer, rasterBuffer, start, clip.y, clip.len);
QRgba64 *dest = destFetch64((QRgba64*)buffer, rasterBuffer, start, clip.y, clip.len);
for (int xp=start; xp<end; ++xp) {
const int coverage = map[xp - x];
@ -5873,7 +5873,7 @@ static void qt_alphargbblit_generic(QRasterBuffer *rasterBuffer,
srcColor = colorProfile->toLinear(srcColor.unpremultiplied()).premultiplied();
}
QRgba64 buffer[buffer_size];
quint64 buffer[buffer_size];
const DestFetchProc64 destFetch64 = destFetchProc64[rasterBuffer->format];
const DestStoreProc64 destStore64 = destStoreProc64[rasterBuffer->format];
@ -5883,12 +5883,12 @@ static void qt_alphargbblit_generic(QRasterBuffer *rasterBuffer,
int length = mapWidth;
while (length > 0) {
int l = qMin(buffer_size, length);
QRgba64 *dest = destFetch64(buffer, rasterBuffer, i, y + ly, l);
QRgba64 *dest = destFetch64((QRgba64*)buffer, rasterBuffer, i, y + ly, l);
for (int j=0; j < l; ++j) {
const uint coverage = src[j + (i - x)];
alphargbblend_generic(coverage, dest, j, srcColor, color, colorProfile);
}
destStore64(rasterBuffer, i, y + ly, buffer, l);
destStore64(rasterBuffer, i, y + ly, dest, l);
length -= l;
i += l;
}
@ -5910,7 +5910,7 @@ static void qt_alphargbblit_generic(QRasterBuffer *rasterBuffer,
int start = qMax<int>(x, clip.x);
int end = qMin<int>(x + mapWidth, clip.x + clip.len);
Q_ASSERT(clip.len <= buffer_size);
QRgba64 *dest = destFetch64(buffer, rasterBuffer, start, clip.y, clip.len);
QRgba64 *dest = destFetch64((QRgba64*)buffer, rasterBuffer, start, clip.y, clip.len);
for (int xp=start; xp<end; ++xp) {
const uint coverage = src[xp - x];