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Fix pure lintolog #6

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Fix pure lintolog #6

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16 changes: 8 additions & 8 deletions Camera-AgX-Lib.h
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Original file line number Diff line number Diff line change
Expand Up @@ -632,13 +632,13 @@ __DEVICE__ float3 lin2log(float3 rgb, int tf) {
rgb.x = rgb.x >= t ? ((_log2f(a * rgb.x + 64.f) - 6.f) / 14.f) * b + c : (rgb.x - t) / s;
rgb.y = rgb.y >= t ? ((_log2f(a * rgb.y + 64.f) - 6.f) / 14.f) * b + c : (rgb.y - t) / s;
rgb.z = rgb.z >= t ? ((_log2f(a * rgb.z + 64.f) - 6.f) / 14.f) * b + c : (rgb.z - t) / s;
} else if (tf == 10) { // CanonLog2
rgb.x = rgb.x/0.9f ;
rgb.y = rgb.y/0.9f ;
rgb.z = rgb.z/0.9f ;
rgb.x = rgb.x<0?-0.24136077f * _log10f( 1.0f - 87.099375f * rgb.x ) + 0.092864125f : 0.24136077f * _log10f( 87.099375f * rgb.x + 1.0f ) + 0.092864125f;
rgb.y = rgb.y<0?-0.24136077f * _log10f( 1.0f - 87.099375f * rgb.y ) + 0.092864125f : 0.24136077f * _log10f( 87.099375f * rgb.y + 1.0f ) + 0.092864125f;
rgb.z = rgb.z<0?-0.24136077f * _log10f( 1.0f - 87.099375f * rgb.z ) + 0.092864125f : 0.24136077f * _log10f( 87.099375f * rgb.z + 1.0f ) + 0.092864125f;
} else if (tf == 10) {//PureLog2 -10 stop under 0.18 and 6.5 over
float mx = 6.5;
float mn = -10;
float mg = 0.18;
rgb.x = (_log2f(rgb.x/mg)-mn)/(mx-mn);
rgb.y = (_log2f(rgb.y/mg)-mn)/(mx-mn);
rgb.z = (_log2f(rgb.z/mg)-mn)/(mx-mn);
} else if (tf == 11){ // Flog2
const float a = 5.555556f;
const float b = 0.064829f;
Expand Down Expand Up @@ -994,4 +994,4 @@ __DEVICE__ float3 log2ocio(float3 rgb, float mg, float mn, float mx, float o, in
}

return rgb;
}
}