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

vng4 demosaic: precalculate weight

Browse Source
This commit is contained in:
heckflosse 2018-10-26 16:51:05 +02:00
parent b37d88fb22
commit d53e44d45b
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
rtengine/vng4_demosaic_RT.cc
View File

@ -24,7 +24,7 @@
#include "rawimagesource.h" #include "rawimagesource.h"
#include "rawimagesource_i.h" #include "rawimagesource_i.h"
#include "../rtgui/multilangmgr.h" #include "../rtgui/multilangmgr.h"
//#define BENCHMARK #define BENCHMARK
#include "StopWatch.h" #include "StopWatch.h"
namespace rtengine namespace rtengine
@ -176,7 +176,7 @@ void RawImageSource::vng4_demosaic (const array2D<float> &rawData, array2D<float
*ip++ = (y1 * width + x1) * 4 + color; *ip++ = (y1 * width + x1) * 4 + color;
*ip++ = (y2 * width + x2) * 4 + color; *ip++ = (y2 * width + x2) * 4 + color;
*ip++ = weight; *ip++ = 1 << weight;
for (g = 0; g < 8; g++) for (g = 0; g < 8; g++)
if (grads & (1 << g)) { if (grads & (1 << g)) {
@ -230,7 +230,7 @@ void RawImageSource::vng4_demosaic (const array2D<float> &rawData, array2D<float
memset (gval, 0, sizeof gval); memset (gval, 0, sizeof gval);
while ((g = ip[0]) != INT_MAX) { /* Calculate gradients */ while ((g = ip[0]) != INT_MAX) { /* Calculate gradients */
float diff = fabsf(pix[g] - pix[ip[1]]) * (1 << ip[2]); float diff = fabsf(pix[g] - pix[ip[1]]) * ip[2];
gval[ip[3]] += diff; gval[ip[3]] += diff;
ip += 4; ip += 4;