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wavont(): further cleanups and SSE code for Directional contrast

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This commit is contained in:
Ingo Weyrich 2020-06-21 13:37:38 +02:00
parent 2dd2313e02
commit d4cbed4eb6
2 changed files with 33 additions and 7 deletions
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8
rtengine/curves.h
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@ -1365,6 +1365,14 @@ public:
{
return lutLocwavCurve[index];
}
#ifdef __SSE2__
vfloat operator[](vfloat index) const
{
return lutLocwavCurve[index];
}
#endif
operator bool (void) const
{
return lutLocwavCurve;

32
rtengine/iplocallab.cc
View File

@ -7048,7 +7048,7 @@ void ImProcFunctions::wavcont(const struct local_params& lp, float ** tmp, wavel
}
}
}
} else if (process == 2) { //Directional contrast
} else if (process == 2 && loccompwavCurve && loccompwavutili) { //Directional contrast
float mean[10];
float meanN[10];
float sigma[10];
@ -7061,7 +7061,7 @@ void ImProcFunctions::wavcont(const struct local_params& lp, float ** tmp, wavel
for (int level = level_bl; level < maxlvl; ++level) {
const int W_L = wdspot.level_W(level);
const int H_L = wdspot.level_H(level);
auto WavL = wdspot.level_coeffs(level)[dir];
const auto WavL = wdspot.level_coeffs(level)[dir];
const float effect = sigmadc;
constexpr float offs = 1.f;
@ -7112,15 +7112,33 @@ void ImProcFunctions::wavcont(const struct local_params& lp, float ** tmp, wavel
it = itplus;
}
if (loccompwavCurve && loccompwavutili) {
const float itf = it;
const float itf = it;
const float factor = dir < 3 ? 0.3f : -0.6f;
#ifdef _OPENMP
#pragma omp parallel for if (multiThread)
#pragma omp parallel if (multiThread)
#endif
{
const vfloat c327d68v = F2V(327.68f);
const vfloat factorv = F2V(factor);
const vfloat sixv = F2V(6.f);
const vfloat zd5v = F2V(0.5f);
const vfloat onev = F2V(1.f);
const vfloat itfv = F2V(itf);
#ifdef _OPENMP
#pragma omp for
#endif
for (int i = 0; i < H_L; ++i) {
for (int j = 0; j < W_L; ++j) {
int j = 0;
#ifdef __SSE2__
for (; j < W_L - 3; j += 4) {
const vfloat LL100v = LC2VFU(tmp[i * 2][j * 2]) / c327d68v;
const vfloat kbav = factorv * (loccompwavCurve[sixv * LL100v] - zd5v); //k1 between 0 and 0.5 0.5==> 1/6=0.16
STVFU(WavL[i * W_L + j], LVFU(WavL[i * W_L + j]) * pow_F(onev + kbav * LVFU(beta[i * W_L + j]), itfv));
}
#endif
for (; j < W_L; ++j) {
const float LL100 = tmp[i * 2][j * 2] / 327.68f;
const float kba = (dir < 3 ? 0.3f : -0.6f) * (loccompwavCurve[6.f * LL100] - 0.5f); //k1 between 0 and 0.5 0.5==> 1/6=0.16
const float kba = factor * (loccompwavCurve[6.f * LL100] - 0.5f); //k1 between 0 and 0.5 0.5==> 1/6=0.16
WavL[i * W_L + j] *= pow_F(1.f + kba * beta[i * W_L + j], itf);
}
}