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Speedup for perceptual tone curve #4269

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heckflosse
2018-01-05 16:42:22 +01:00
parent 045d11f05f
commit 0fcc1987a5
5 changed files with 282 additions and 245 deletions
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8
rtengine/improcfun.cc
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@@ -233,14 +233,8 @@ void customToneCurve(const ToneCurve &customToneCurve, ToneCurveParams::TcMode c
}
} else if (curveMode == ToneCurveParams::TcMode::PERCEPTUAL) { // apply curve while keeping color appearance constant
const PerceptualToneCurve& userToneCurve = static_cast<const PerceptualToneCurve&> (customToneCurve);
for (int i = istart, ti = 0; i < tH; i++, ti++) {
for (int j = jstart, tj = 0; j < tW; j++, tj++) {
rtemp[ti * tileSize + tj] = CLIP<float> (rtemp[ti * tileSize + tj]);
gtemp[ti * tileSize + tj] = CLIP<float> (gtemp[ti * tileSize + tj]);
btemp[ti * tileSize + tj] = CLIP<float> (btemp[ti * tileSize + tj]);
userToneCurve.Apply(rtemp[ti * tileSize + tj], gtemp[ti * tileSize + tj], btemp[ti * tileSize + tj], ptcApplyState);
}
userToneCurve.BatchApply(0, tW - jstart, &rtemp[ti * tileSize], &gtemp[ti * tileSize], &btemp[ti * tileSize], ptcApplyState);
}
}
}