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Fix slowdown when creating thumb from non-raw file

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This commit is contained in:
Ingo Weyrich 2019-11-04 15:10:28 +01:00
parent 7ef19b5126
commit 0544d15b16
2 changed files with 73 additions and 29 deletions
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5
rtengine/iimage.cc
View File

@ -46,6 +46,7 @@ int rtengine::getCoarseBitMask( const procparams::CoarseTransformParams &coarse)
return tr;
}
int rtengine::igammasrgb(float in) {
return Color::igamma_srgb(in);
const LUTf& rtengine::getigammatab() {
return Color::igammatab_srgb;
}

75
rtengine/iimage.h
View File

@ -59,7 +59,7 @@ extern const char sImage16[];
extern const char sImagefloat[];
int getCoarseBitMask(const procparams::CoarseTransformParams& coarse);
int igammasrgb(float in);
const LUTf& getigammatab();
enum TypeInterpolation { TI_Nearest, TI_Bilinear };
@ -958,16 +958,34 @@ public:
histogram(65536 >> histcompr);
histogram.clear();
const LUTf& igammatab = getigammatab();
for (int i = 0; i < height; i++)
#ifdef _OPENMP
#pragma omp parallel
#endif
{
LUTu histThr(histogram.getSize());
histThr.clear();
#ifdef _OPENMP
#pragma omp for schedule(dynamic,16) nowait
#endif
for (int i = 0; i < height; i++) {
for (int j = 0; j < width; j++) {
float r_, g_, b_;
convertTo<T, float>(r(i, j), r_);
convertTo<T, float>(g(i, j), g_);
convertTo<T, float>(b(i, j), b_);
histogram[igammasrgb (r_) >> histcompr]++;
histogram[igammasrgb (g_) >> histcompr]++;
histogram[igammasrgb (b_) >> histcompr]++;
histThr[static_cast<int>(igammatab[r_]) >> histcompr]++;
histThr[static_cast<int>(igammatab[g_]) >> histcompr]++;
histThr[static_cast<int>(igammatab[b_]) >> histcompr]++;
}
}
#ifdef _OPENMP
#pragma omp critical
#endif
{
histogram += histThr;
}
}
}
@ -976,16 +994,16 @@ public:
histogram.clear();
avg_r = avg_g = avg_b = 0.;
n = 0;
const LUTf& igammatab = getigammatab();
for (unsigned int i = 0; i < (unsigned int)(height); i++)
for (unsigned int j = 0; j < (unsigned int)(width); j++) {
float r_, g_, b_;
convertTo<T, float>(r(i, j), r_);
convertTo<T, float>(g(i, j), g_);
convertTo<T, float>(b(i, j), b_);
int rtemp = igammasrgb (r_);
int gtemp = igammasrgb (g_);
int btemp = igammasrgb (b_);
int rtemp = igammatab[r_];
int gtemp = igammatab[g_];
int btemp = igammatab[b_];
histogram[rtemp >> compression]++;
histogram[gtemp >> compression] += 2;
@ -1012,6 +1030,9 @@ public:
int n = 0;
//int p = 6;
#ifdef _OPENMP
#pragma omp parallel for reduction(+:avg_r,avg_g,avg_b,n) schedule(dynamic,16)
#endif
for (unsigned int i = 0; i < (unsigned int)(height); i++)
for (unsigned int j = 0; j < (unsigned int)(width); j++) {
float r_, g_, b_;
@ -1567,16 +1588,34 @@ public:
histogram(65536 >> histcompr);
histogram.clear();
const LUTf& igammatab = getigammatab();
for (int i = 0; i < height; i++)
#ifdef _OPENMP
#pragma omp parallel
#endif
{
LUTu histThr(histogram.getSize());
histThr.clear();
#ifdef _OPENMP
#pragma omp for schedule(dynamic,16) nowait
#endif
for (int i = 0; i < height; i++) {
for (int j = 0; j < width; j++) {
float r_, g_, b_;
convertTo<T, float>(r(i, j), r_);
convertTo<T, float>(g(i, j), g_);
convertTo<T, float>(b(i, j), b_);
histogram[igammasrgb (r_) >> histcompr]++;
histogram[igammasrgb (g_) >> histcompr]++;
histogram[igammasrgb (b_) >> histcompr]++;
histThr[static_cast<int>(igammatab[r_]) >> histcompr]++;
histThr[static_cast<int>(igammatab[g_]) >> histcompr]++;
histThr[static_cast<int>(igammatab[b_]) >> histcompr]++;
}
}
#ifdef _OPENMP
#pragma omp critical
#endif
{
histogram += histThr;
}
}
}
@ -1585,6 +1624,7 @@ public:
histogram.clear();
avg_r = avg_g = avg_b = 0.;
n = 0;
const LUTf& igammatab = getigammatab();
for (unsigned int i = 0; i < (unsigned int)(height); i++)
for (unsigned int j = 0; j < (unsigned int)(width); j++) {
@ -1592,9 +1632,9 @@ public:
convertTo<T, float>(r(i, j), r_);
convertTo<T, float>(g(i, j), g_);
convertTo<T, float>(b(i, j), b_);
int rtemp = igammasrgb (r_);
int gtemp = igammasrgb (g_);
int btemp = igammasrgb (b_);
int rtemp = igammatab[r_];
int gtemp = igammatab[g_];
int btemp = igammatab[b_];
histogram[rtemp >> compression]++;
histogram[gtemp >> compression] += 2;
@ -1621,6 +1661,9 @@ public:
int n = 0;
//int p = 6;
#ifdef _OPENMP
#pragma omp parallel for reduction(+:avg_r,avg_g,avg_b,n) schedule(dynamic,16)
#endif
for (unsigned int i = 0; i < (unsigned int)(height); i++)
for (unsigned int j = 0; j < (unsigned int)(width); j++) {
float r_, g_, b_;