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clip negative output of demosaicers to zero, #5561

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This commit is contained in:
Ingo Weyrich
2019-12-12 18:45:18 +01:00
parent a2dd906115
commit b2218d05dd
10 changed files with 105 additions and 113 deletions
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80
rtengine/amaze_demosaic_RT.cc
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@@ -1470,48 +1470,48 @@ void RawImageSource::amaze_demosaic_RT(int winx, int winy, int winw, int winh, c
vfloat bluev1 = greenv - (temp00v * vdup(LVFU(Dgrb[1][(indx - v1) >> 1])) + (onev - vdup(LVFU(hvwt[(indx + 1 + offset) >> 1]))) * vdup(LVFU(Dgrb[1][(indx + 1 + offset) >> 1])) + (onev - vdup(LVFU(hvwt[(indx - 1 + offset) >> 1]))) * vdup(LVFU(Dgrb[1][(indx - 1 + offset) >> 1])) + temp01v * vdup(LVFU(Dgrb[1][(indx + v1) >> 1]))) * tempv;
vfloat redv2 = greenv - vdup(LVFU(Dgrb[0][indx >> 1]));
vfloat bluev2 = greenv - vdup(LVFU(Dgrb[1][indx >> 1]));
STVFU(red[row][col], c65535v * vself(selmask, redv1, redv2));
STVFU(blue[row][col], c65535v * vself(selmask, bluev1, bluev2));
STVFU(red[row][col], vmaxf(c65535v * vself(selmask, redv1, redv2), ZEROV));
STVFU(blue[row][col], vmaxf(c65535v * vself(selmask, bluev1, bluev2), ZEROV));
}
if(offset == 0) {
for (; indx < rr * ts + cc1 - 16 - (cc1 & 1); indx++, col++) {
float temp = 1.f / (hvwt[(indx - v1) >> 1] + 2.f - hvwt[(indx + 1) >> 1] - hvwt[(indx - 1) >> 1] + hvwt[(indx + v1) >> 1]);
red[row][col] = 65535.f * (rgbgreen[indx] - ((hvwt[(indx - v1) >> 1]) * Dgrb[0][(indx - v1) >> 1] + (1.f - hvwt[(indx + 1) >> 1]) * Dgrb[0][(indx + 1) >> 1] + (1.f - hvwt[(indx - 1) >> 1]) * Dgrb[0][(indx - 1) >> 1] + (hvwt[(indx + v1) >> 1]) * Dgrb[0][(indx + v1) >> 1]) *
temp);
blue[row][col] = 65535.f * (rgbgreen[indx] - ((hvwt[(indx - v1) >> 1]) * Dgrb[1][(indx - v1) >> 1] + (1.f - hvwt[(indx + 1) >> 1]) * Dgrb[1][(indx + 1) >> 1] + (1.f - hvwt[(indx - 1) >> 1]) * Dgrb[1][(indx - 1) >> 1] + (hvwt[(indx + v1) >> 1]) * Dgrb[1][(indx + v1) >> 1]) *
temp);
red[row][col] = std::max(0.f, 65535.f * (rgbgreen[indx] - ((hvwt[(indx - v1) >> 1]) * Dgrb[0][(indx - v1) >> 1] + (1.f - hvwt[(indx + 1) >> 1]) * Dgrb[0][(indx + 1) >> 1] + (1.f - hvwt[(indx - 1) >> 1]) * Dgrb[0][(indx - 1) >> 1] + (hvwt[(indx + v1) >> 1]) * Dgrb[0][(indx + v1) >> 1]) *
temp));
blue[row][col] = std::max(0.f, 65535.f * (rgbgreen[indx] - ((hvwt[(indx - v1) >> 1]) * Dgrb[1][(indx - v1) >> 1] + (1.f - hvwt[(indx + 1) >> 1]) * Dgrb[1][(indx + 1) >> 1] + (1.f - hvwt[(indx - 1) >> 1]) * Dgrb[1][(indx - 1) >> 1] + (hvwt[(indx + v1) >> 1]) * Dgrb[1][(indx + v1) >> 1]) *
temp));
indx++;
col++;
red[row][col] = 65535.f * (rgbgreen[indx] - Dgrb[0][indx >> 1]);
blue[row][col] = 65535.f * (rgbgreen[indx] - Dgrb[1][indx >> 1]);
red[row][col] = std::max(0.f, 65535.f * (rgbgreen[indx] - Dgrb[0][indx >> 1]));
blue[row][col] = std::max(0.f, 65535.f * (rgbgreen[indx] - Dgrb[1][indx >> 1]));
}
if(cc1 & 1) { // width of tile is odd
float temp = 1.f / (hvwt[(indx - v1) >> 1] + 2.f - hvwt[(indx + 1) >> 1] - hvwt[(indx - 1) >> 1] + hvwt[(indx + v1) >> 1]);
red[row][col] = 65535.f * (rgbgreen[indx] - ((hvwt[(indx - v1) >> 1]) * Dgrb[0][(indx - v1) >> 1] + (1.f - hvwt[(indx + 1) >> 1]) * Dgrb[0][(indx + 1) >> 1] + (1.f - hvwt[(indx - 1) >> 1]) * Dgrb[0][(indx - 1) >> 1] + (hvwt[(indx + v1) >> 1]) * Dgrb[0][(indx + v1) >> 1]) *
temp);
blue[row][col] = 65535.f * (rgbgreen[indx] - ((hvwt[(indx - v1) >> 1]) * Dgrb[1][(indx - v1) >> 1] + (1.f - hvwt[(indx + 1) >> 1]) * Dgrb[1][(indx + 1) >> 1] + (1.f - hvwt[(indx - 1) >> 1]) * Dgrb[1][(indx - 1) >> 1] + (hvwt[(indx + v1) >> 1]) * Dgrb[1][(indx + v1) >> 1]) *
temp);
red[row][col] = std::max(0.f, 65535.f * (rgbgreen[indx] - ((hvwt[(indx - v1) >> 1]) * Dgrb[0][(indx - v1) >> 1] + (1.f - hvwt[(indx + 1) >> 1]) * Dgrb[0][(indx + 1) >> 1] + (1.f - hvwt[(indx - 1) >> 1]) * Dgrb[0][(indx - 1) >> 1] + (hvwt[(indx + v1) >> 1]) * Dgrb[0][(indx + v1) >> 1]) *
temp));
blue[row][col] = std::max(0.f, 65535.f * (rgbgreen[indx] - ((hvwt[(indx - v1) >> 1]) * Dgrb[1][(indx - v1) >> 1] + (1.f - hvwt[(indx + 1) >> 1]) * Dgrb[1][(indx + 1) >> 1] + (1.f - hvwt[(indx - 1) >> 1]) * Dgrb[1][(indx - 1) >> 1] + (hvwt[(indx + v1) >> 1]) * Dgrb[1][(indx + v1) >> 1]) *
temp));
}
} else {
for (; indx < rr * ts + cc1 - 16 - (cc1 & 1); indx++, col++) {
red[row][col] = 65535.f * (rgbgreen[indx] - Dgrb[0][indx >> 1]);
blue[row][col] = 65535.f * (rgbgreen[indx] - Dgrb[1][indx >> 1]);
red[row][col] = std::max(0.f, 65535.f * (rgbgreen[indx] - Dgrb[0][indx >> 1]));
blue[row][col] = std::max(0.f, 65535.f * (rgbgreen[indx] - Dgrb[1][indx >> 1]));
indx++;
col++;
float temp = 1.f / (hvwt[(indx - v1) >> 1] + 2.f - hvwt[(indx + 1) >> 1] - hvwt[(indx - 1) >> 1] + hvwt[(indx + v1) >> 1]);
red[row][col] = 65535.f * (rgbgreen[indx] - ((hvwt[(indx - v1) >> 1]) * Dgrb[0][(indx - v1) >> 1] + (1.f - hvwt[(indx + 1) >> 1]) * Dgrb[0][(indx + 1) >> 1] + (1.f - hvwt[(indx - 1) >> 1]) * Dgrb[0][(indx - 1) >> 1] + (hvwt[(indx + v1) >> 1]) * Dgrb[0][(indx + v1) >> 1]) *
temp);
blue[row][col] = 65535.f * (rgbgreen[indx] - ((hvwt[(indx - v1) >> 1]) * Dgrb[1][(indx - v1) >> 1] + (1.f - hvwt[(indx + 1) >> 1]) * Dgrb[1][(indx + 1) >> 1] + (1.f - hvwt[(indx - 1) >> 1]) * Dgrb[1][(indx - 1) >> 1] + (hvwt[(indx + v1) >> 1]) * Dgrb[1][(indx + v1) >> 1]) *
temp);
red[row][col] = std::max(0.f, 65535.f * (rgbgreen[indx] - ((hvwt[(indx - v1) >> 1]) * Dgrb[0][(indx - v1) >> 1] + (1.f - hvwt[(indx + 1) >> 1]) * Dgrb[0][(indx + 1) >> 1] + (1.f - hvwt[(indx - 1) >> 1]) * Dgrb[0][(indx - 1) >> 1] + (hvwt[(indx + v1) >> 1]) * Dgrb[0][(indx + v1) >> 1]) *
temp));
blue[row][col] = std::max(0.f, 65535.f * (rgbgreen[indx] - ((hvwt[(indx - v1) >> 1]) * Dgrb[1][(indx - v1) >> 1] + (1.f - hvwt[(indx + 1) >> 1]) * Dgrb[1][(indx + 1) >> 1] + (1.f - hvwt[(indx - 1) >> 1]) * Dgrb[1][(indx - 1) >> 1] + (hvwt[(indx + v1) >> 1]) * Dgrb[1][(indx + v1) >> 1]) *
temp));
}
if(cc1 & 1) { // width of tile is odd
red[row][col] = 65535.f * (rgbgreen[indx] - Dgrb[0][indx >> 1]);
blue[row][col] = 65535.f * (rgbgreen[indx] - Dgrb[1][indx >> 1]);
red[row][col] = std::max(0.f, 65535.f * (rgbgreen[indx] - Dgrb[0][indx >> 1]));
blue[row][col] = std::max(0.f, 65535.f * (rgbgreen[indx] - Dgrb[1][indx >> 1]));
}
}
@@ -1520,41 +1520,41 @@ void RawImageSource::amaze_demosaic_RT(int winx, int winy, int winw, int winh, c
if((fc(cfarray, rr, 2) & 1) == 1) {
for (; indx < rr * ts + cc1 - 16 - (cc1 & 1); indx++, col++) {
float temp = 1.f / (hvwt[(indx - v1) >> 1] + 2.f - hvwt[(indx + 1) >> 1] - hvwt[(indx - 1) >> 1] + hvwt[(indx + v1) >> 1]);
red[row][col] = 65535.f * (rgbgreen[indx] - ((hvwt[(indx - v1) >> 1]) * Dgrb[0][(indx - v1) >> 1] + (1.f - hvwt[(indx + 1) >> 1]) * Dgrb[0][(indx + 1) >> 1] + (1.f - hvwt[(indx - 1) >> 1]) * Dgrb[0][(indx - 1) >> 1] + (hvwt[(indx + v1) >> 1]) * Dgrb[0][(indx + v1) >> 1]) *
temp);
blue[row][col] = 65535.f * (rgbgreen[indx] - ((hvwt[(indx - v1) >> 1]) * Dgrb[1][(indx - v1) >> 1] + (1.f - hvwt[(indx + 1) >> 1]) * Dgrb[1][(indx + 1) >> 1] + (1.f - hvwt[(indx - 1) >> 1]) * Dgrb[1][(indx - 1) >> 1] + (hvwt[(indx + v1) >> 1]) * Dgrb[1][(indx + v1) >> 1]) *
temp);
red[row][col] = std::max(0.f, 65535.f * (rgbgreen[indx] - ((hvwt[(indx - v1) >> 1]) * Dgrb[0][(indx - v1) >> 1] + (1.f - hvwt[(indx + 1) >> 1]) * Dgrb[0][(indx + 1) >> 1] + (1.f - hvwt[(indx - 1) >> 1]) * Dgrb[0][(indx - 1) >> 1] + (hvwt[(indx + v1) >> 1]) * Dgrb[0][(indx + v1) >> 1]) *
temp));
blue[row][col] = std::max(0.f, 65535.f * (rgbgreen[indx] - ((hvwt[(indx - v1) >> 1]) * Dgrb[1][(indx - v1) >> 1] + (1.f - hvwt[(indx + 1) >> 1]) * Dgrb[1][(indx + 1) >> 1] + (1.f - hvwt[(indx - 1) >> 1]) * Dgrb[1][(indx - 1) >> 1] + (hvwt[(indx + v1) >> 1]) * Dgrb[1][(indx + v1) >> 1]) *
temp));
indx++;
col++;
red[row][col] = 65535.f * (rgbgreen[indx] - Dgrb[0][indx >> 1]);
blue[row][col] = 65535.f * (rgbgreen[indx] - Dgrb[1][indx >> 1]);
red[row][col] = std::max(0.f, 65535.f * (rgbgreen[indx] - Dgrb[0][indx >> 1]));
blue[row][col] = std::max(0.f, 65535.f * (rgbgreen[indx] - Dgrb[1][indx >> 1]));
}
if(cc1 & 1) { // width of tile is odd
float temp = 1.f / (hvwt[(indx - v1) >> 1] + 2.f - hvwt[(indx + 1) >> 1] - hvwt[(indx - 1) >> 1] + hvwt[(indx + v1) >> 1]);
red[row][col] = 65535.f * (rgbgreen[indx] - ((hvwt[(indx - v1) >> 1]) * Dgrb[0][(indx - v1) >> 1] + (1.f - hvwt[(indx + 1) >> 1]) * Dgrb[0][(indx + 1) >> 1] + (1.f - hvwt[(indx - 1) >> 1]) * Dgrb[0][(indx - 1) >> 1] + (hvwt[(indx + v1) >> 1]) * Dgrb[0][(indx + v1) >> 1]) *
temp);
blue[row][col] = 65535.f * (rgbgreen[indx] - ((hvwt[(indx - v1) >> 1]) * Dgrb[1][(indx - v1) >> 1] + (1.f - hvwt[(indx + 1) >> 1]) * Dgrb[1][(indx + 1) >> 1] + (1.f - hvwt[(indx - 1) >> 1]) * Dgrb[1][(indx - 1) >> 1] + (hvwt[(indx + v1) >> 1]) * Dgrb[1][(indx + v1) >> 1]) *
temp);
red[row][col] = std::max(0.f, 65535.f * (rgbgreen[indx] - ((hvwt[(indx - v1) >> 1]) * Dgrb[0][(indx - v1) >> 1] + (1.f - hvwt[(indx + 1) >> 1]) * Dgrb[0][(indx + 1) >> 1] + (1.f - hvwt[(indx - 1) >> 1]) * Dgrb[0][(indx - 1) >> 1] + (hvwt[(indx + v1) >> 1]) * Dgrb[0][(indx + v1) >> 1]) *
temp));
blue[row][col] = std::max(0.f, 65535.f * (rgbgreen[indx] - ((hvwt[(indx - v1) >> 1]) * Dgrb[1][(indx - v1) >> 1] + (1.f - hvwt[(indx + 1) >> 1]) * Dgrb[1][(indx + 1) >> 1] + (1.f - hvwt[(indx - 1) >> 1]) * Dgrb[1][(indx - 1) >> 1] + (hvwt[(indx + v1) >> 1]) * Dgrb[1][(indx + v1) >> 1]) *
temp));
}
} else {
for (; indx < rr * ts + cc1 - 16 - (cc1 & 1); indx++, col++) {
red[row][col] = 65535.f * (rgbgreen[indx] - Dgrb[0][indx >> 1]);
blue[row][col] = 65535.f * (rgbgreen[indx] - Dgrb[1][indx >> 1]);
red[row][col] = std::max(0.f, 65535.f * (rgbgreen[indx] - Dgrb[0][indx >> 1]));
blue[row][col] = std::max(0.f, 65535.f * (rgbgreen[indx] - Dgrb[1][indx >> 1]));
indx++;
col++;
float temp = 1.f / (hvwt[(indx - v1) >> 1] + 2.f - hvwt[(indx + 1) >> 1] - hvwt[(indx - 1) >> 1] + hvwt[(indx + v1) >> 1]);
red[row][col] = 65535.f * (rgbgreen[indx] - ((hvwt[(indx - v1) >> 1]) * Dgrb[0][(indx - v1) >> 1] + (1.f - hvwt[(indx + 1) >> 1]) * Dgrb[0][(indx + 1) >> 1] + (1.f - hvwt[(indx - 1) >> 1]) * Dgrb[0][(indx - 1) >> 1] + (hvwt[(indx + v1) >> 1]) * Dgrb[0][(indx + v1) >> 1]) *
temp);
blue[row][col] = 65535.f * (rgbgreen[indx] - ((hvwt[(indx - v1) >> 1]) * Dgrb[1][(indx - v1) >> 1] + (1.f - hvwt[(indx + 1) >> 1]) * Dgrb[1][(indx + 1) >> 1] + (1.f - hvwt[(indx - 1) >> 1]) * Dgrb[1][(indx - 1) >> 1] + (hvwt[(indx + v1) >> 1]) * Dgrb[1][(indx + v1) >> 1]) *
temp);
red[row][col] = std::max(0.f, 65535.f * (rgbgreen[indx] - ((hvwt[(indx - v1) >> 1]) * Dgrb[0][(indx - v1) >> 1] + (1.f - hvwt[(indx + 1) >> 1]) * Dgrb[0][(indx + 1) >> 1] + (1.f - hvwt[(indx - 1) >> 1]) * Dgrb[0][(indx - 1) >> 1] + (hvwt[(indx + v1) >> 1]) * Dgrb[0][(indx + v1) >> 1]) *
temp));
blue[row][col] = std::max(0.f, 65535.f * (rgbgreen[indx] - ((hvwt[(indx - v1) >> 1]) * Dgrb[1][(indx - v1) >> 1] + (1.f - hvwt[(indx + 1) >> 1]) * Dgrb[1][(indx + 1) >> 1] + (1.f - hvwt[(indx - 1) >> 1]) * Dgrb[1][(indx - 1) >> 1] + (hvwt[(indx + v1) >> 1]) * Dgrb[1][(indx + v1) >> 1]) *
temp));
}
if(cc1 & 1) { // width of tile is odd
red[row][col] = 65535.f * (rgbgreen[indx] - Dgrb[0][indx >> 1]);
blue[row][col] = 65535.f * (rgbgreen[indx] - Dgrb[1][indx >> 1]);
red[row][col] = std::max(0.f, 65535.f * (rgbgreen[indx] - Dgrb[0][indx >> 1]));
blue[row][col] = std::max(0.f, 65535.f * (rgbgreen[indx] - Dgrb[1][indx >> 1]));
}
}
@@ -1568,13 +1568,13 @@ void RawImageSource::amaze_demosaic_RT(int winx, int winy, int winw, int winh, c
#ifdef __SSE2__
for (; cc < cc1 - 19; cc += 4) {
STVFU(green[row][cc + left], LVF(rgbgreen[rr * ts + cc]) * c65535v);
STVFU(green[row][cc + left], vmaxf(LVF(rgbgreen[rr * ts + cc]) * c65535v, ZEROV));
}
#endif
for (; cc < cc1 - 16; cc++) {
green[row][cc + left] = 65535.f * rgbgreen[rr * ts + cc];
green[row][cc + left] = std::max(0.f, 65535.f * rgbgreen[rr * ts + cc]);
}
}