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Raw false colour suppression: additional 38% speedup

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This commit is contained in:
heckflosse
2016-03-06 01:14:35 +01:00
parent 8619fd8a0b
commit 2f2421442b
6 changed files with 74 additions and 187 deletions
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10
rtengine/rawimagesource_i.h
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@@ -22,13 +22,15 @@
#include "rawimagesource.h"
#include "curves.h"
namespace rtengine
{
inline void RawImageSource::convert_row_to_YIQ (const float* const r, const float* const g, const float* const b, float* Y, float* I, float* Q, const int W)
{
#ifdef _OPENMP
#pragma omp simd
#endif
for (int j = 0; j < W; j++) {
Y[j] = .299f * r[j] + .587f * g[j] + .114f * b[j];
I[j] = .596f * r[j] - .275f * g[j] - .321f * b[j];
@@ -38,6 +40,10 @@ inline void RawImageSource::convert_row_to_YIQ (const float* const r, const floa
inline void RawImageSource::convert_row_to_RGB (float* r, float* g, float* b, const float* const Y, const float* const I, const float* const Q, const int W)
{
#ifdef _OPENMP
#pragma omp simd
#endif
for (int j = 1; j < W - 1; j++) {
r[j] = Y[j] + 0.956f * I[j] + 0.621f * Q[j];
g[j] = Y[j] - 0.272f * I[j] - 0.647f * Q[j];