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Another optimization

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This commit is contained in:
Lauri Kasanen 2023-02-17 14:52:26 +02:00
parent 5b3786e5ad
commit 834bb9a925
1 changed files with 19 additions and 7 deletions
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26
common/rfb/Watermark.cxx
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@ -216,15 +216,27 @@ void packWatermark(const Region &changed) {
const Rect &bounding = changed.get_bounding_rect(); const Rect &bounding = changed.get_bounding_rect();
for (y = 0; y < rh; y++) { for (y = 0; y < rh; y++) {
for (x = 0; x < rw; x++) { // Is the entire line outside the changed area?
pix[cur] = 0; if (bounding.tl.y > y || bounding.br.y < y) {
if (bounding.contains(Point(x, y)) && changed.contains(x, y)) for (x = 0; x < rw; x++) {
pix[cur] = watermarkUnpacked[y * rw + x]; pix[cur] = 0;
if (cur || (y == rh - 1 && x == rw - 1)) if (cur || (y == rh - 1 && x == rw - 1))
*dst++ = pix[0] | (pix[1] << 4); *dst++ = pix[0] | (pix[1] << 4);
cur ^= 1; cur ^= 1;
}
} else {
for (x = 0; x < rw; x++) {
pix[cur] = 0;
if (bounding.contains(Point(x, y)) && changed.contains(x, y))
pix[cur] = watermarkUnpacked[y * rw + x];
if (cur || (y == rh - 1 && x == rw - 1))
*dst++ = pix[0] | (pix[1] << 4);
cur ^= 1;
}
} }
} }