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Artefacts with toncurve 2 / weighted standard with RT-dev-1098, fixes #4948

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heckflosse
2018-11-09 13:55:58 +01:00
parent b593da40a5
commit a1d4acf72f
1 changed files with 2 additions and 1 deletions
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3
rtengine/curves.h
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@@ -1084,11 +1084,12 @@ inline float WeightedStdToneCurve::Triangle(float a, float a1, float b) const
#ifdef __SSE2__ #ifdef __SSE2__
inline vfloat WeightedStdToneCurve::Triangle(vfloat a, vfloat a1, vfloat b) const inline vfloat WeightedStdToneCurve::Triangle(vfloat a, vfloat a1, vfloat b) const
{ {
vmask eqmask = vmaskf_eq(b, a);
vfloat a2 = a1 - a; vfloat a2 = a1 - a;
vmask cmask = vmaskf_lt(b, a); vmask cmask = vmaskf_lt(b, a);
vfloat b3 = vself(cmask, b, F2V(65535.f) - b); vfloat b3 = vself(cmask, b, F2V(65535.f) - b);
vfloat a3 = vself(cmask, a, F2V(65535.f) - a); vfloat a3 = vself(cmask, a, F2V(65535.f) - a);
return b + a2 * b3 / a3; return vself(eqmask, a1, b + a2 * b3 / a3);
} }
#endif #endif