liz/rawTherapee
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fixed multiprocessor sharpening bug

Browse Source 
see issue 1454
This commit is contained in:
Oliver Duis
2012-07-01 22:20:09 +02:00
parent d47bab4380
commit 33f565a1ba
9 changed files with 132 additions and 68 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
rtengine/imagefloat.cc
View File

@@ -23,6 +23,7 @@
#include "rtengine.h"
#include "mytime.h"
#include "iccstore.h"
#include "alignedbuffer.h"
using namespace rtengine;
@@ -271,22 +272,28 @@ void Imagefloat::calcCroppedHistogram(const ProcParams &params, float scale, LUT
// Parallized transformation; create transform with cmsFLAGS_NOCACHE!
void Imagefloat::ExecCMSTransform(cmsHTRANSFORM hTransform) {
AlignedBufferMP<float> bufMP(width*3);
// LittleCMS cannot parallize planar setups
// so build temporary buffers to allow multi processor execution
#pragma omp parallel for
for (int y=0; y<height; y++) {
float buffer[width*3];
float *p=buffer, *pR=r[y], *pG=g[y], *pB=b[y];
AlignedBuffer<float>* pBuf=bufMP.acquire();
float *p=pBuf->data, *pR=r[y], *pG=g[y], *pB=b[y];
for (int x=0; x<width; x++) {
*(p++) = *(pR++); *(p++) = *(pG++); *(p++) = *(pB++);
}
cmsDoTransform (hTransform, buffer, buffer, width);
cmsDoTransform (hTransform, pBuf->data, pBuf->data, width);
p=buffer; pR=r[y]; pG=g[y]; pB=b[y];
p=pBuf->data; pR=r[y]; pG=g[y]; pB=b[y];
for (int x=0; x<width; x++) {
*(pR++) = *(p++); *(pG++) = *(p++); *(pB++) = *(p++);
}
bufMP.release(pBuf);
}
}