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Simplify copyAndClampLine, make in place transformations when gamutwarning is disabled

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This commit is contained in:
Ingo Weyrich
2019-12-28 13:19:45 +01:00
parent a62b0f8040
commit f501ec6398
1 changed files with 8 additions and 13 deletions
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19
rtengine/iplab2rgb.cc
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@@ -38,14 +38,8 @@ namespace {
inline void copyAndClampLine(const float *src, unsigned char *dst, const int W)
{
for (int j = 0, iy = 0; j < W; ++j) {
float r = src[iy] * MAXVALF;
float g = src[iy+1] * MAXVALF;
float b = src[iy+2] * MAXVALF;
dst[iy] = uint16ToUint8Rounded(CLIP(r));
dst[iy+1] = uint16ToUint8Rounded(CLIP(g));
dst[iy+2] = uint16ToUint8Rounded(CLIP(b));
iy += 3;
for (int j = 0; j < W * 3; ++j) {
dst[j] = uint16ToUint8Rounded(CLIP(src[j] * MAXVALF));
}
}
@@ -90,8 +84,8 @@ void ImProcFunctions::lab2monitorRgb(LabImage* lab, Image8* image)
{
if (monitorTransform) {
int W = lab->W;
int H = lab->H;
const int W = lab->W;
const int H = lab->H;
unsigned char * data = image->data;
// cmsDoTransform is relatively expensive
@@ -100,18 +94,19 @@ void ImProcFunctions::lab2monitorRgb(LabImage* lab, Image8* image)
#endif
{
AlignedBuffer<float> pBuf(3 * lab->W);
AlignedBuffer<float> mBuf(3 * lab->W);
AlignedBuffer<float> mBuf;
AlignedBuffer<float> gwBuf1;
AlignedBuffer<float> gwBuf2;
if (gamutWarning) {
gwBuf1.resize(3 * lab->W);
gwBuf2.resize(3 * lab->W);
mBuf.resize(3 * lab->W);
}
float *buffer = pBuf.data;
float *outbuffer = mBuf.data;
float *outbuffer = gamutWarning ? mBuf.data : pBuf.data; // make in place transformations when gamutWarning is not needed
#ifdef _OPENMP
#pragma omp for schedule(dynamic,16)