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LCMS2 threading

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This commit is contained in:
Oliver Duis
2011-04-07 22:36:02 +02:00
parent 5ec5a0cf21
commit fed593e447
2 changed files with 10 additions and 2 deletions
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3
rtengine/improcfun.cc
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@@ -160,7 +160,8 @@ void ImProcFunctions::firstAnalysis (Imagefloat* original, const ProcParams* par
if (monitor) {
cmsHPROFILE iprof = iccStore->getXYZProfile ();
lcmsMutex->lock ();
monitorTransform = cmsCreateTransform (iprof, TYPE_RGB_FLT, monitor, TYPE_RGB_8, settings->colorimetricIntent, cmsFLAGS_NOOPTIMIZE);
monitorTransform = cmsCreateTransform (iprof, TYPE_RGB_FLT, monitor, TYPE_RGB_8, settings->colorimetricIntent,
cmsFLAGS_NOOPTIMIZE | cmsFLAGS_NOCACHE ); // NOCACHE is important for thread safety
lcmsMutex->unlock ();
}

9
rtengine/iplab2rgb.cc
View File

@@ -63,6 +63,9 @@ void ImProcFunctions::lab2rgb (LabImage* lab, Image8* image) {
int ix = 0;
float g;
float* buffer = new float [3*lab->W];
// cmsDoTransform is relatively expensive
#pragma omp parallel for if (multiThread)
for (int i=0; i<lab->H; i++) {
float* rL = lab->L[i];
float* ra = lab->a[i];
@@ -134,11 +137,15 @@ Image8* ImProcFunctions::lab2rgb (LabImage* lab, int cx, int cy, int cw, int ch,
if (oprof) {
cmsHPROFILE iprof = iccStore->getXYZProfile ();
lcmsMutex->lock ();
cmsHTRANSFORM hTransform = cmsCreateTransform (iprof, TYPE_RGB_16, oprof, TYPE_RGB_8, settings->colorimetricIntent, cmsFLAGS_NOOPTIMIZE);
cmsHTRANSFORM hTransform = cmsCreateTransform (iprof, TYPE_RGB_16, oprof, TYPE_RGB_8, settings->colorimetricIntent,
cmsFLAGS_NOOPTIMIZE | cmsFLAGS_NOCACHE ); // NOCACHE is important for thread safety
lcmsMutex->unlock ();
int ix = 0;
float g;
short* buffer = new short [3*cw];
// cmsDoTransform is relatively expensive
#pragma omp parallel for if (multiThread)
for (int i=cy; i<cy+ch; i++) {
float* rL = lab->L[i];
float* ra = lab->a[i];