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Merge pull request #15704 from alalek:gapi_avoid_dynamic_initializers_in_optimized_code

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Alexander Alekhin 2019-10-15 15:22:09 +00:00
commit cc9b199ecb
1 changed files with 6 additions and 5 deletions
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11
modules/gapi/src/backends/fluid/gfluidimgproc_func.simd.hpp
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@ -876,11 +876,12 @@ void run_yuv2rgb_impl(uchar out[], const uchar in[], int width, const float coef
// V' = (R' - Y')*0.877
static const float coef[5] = {0.299f, 0.587f, 0.114f, 0.492f, 0.877f};
static const ushort c0 = static_cast<ushort>(coef[0]*(1 << 16) + 0.5f);
static const ushort c1 = static_cast<ushort>(coef[1]*(1 << 16) + 0.5f);
static const ushort c2 = static_cast<ushort>(coef[2]*(1 << 16) + 0.5f);
static const short c3 = static_cast<short>(coef[3]*(1 << 12) + 0.5f);
static const short c4 = static_cast<short>(coef[4]*(1 << 12) + 0.5f);
// don't use expressions (avoid any dynamic initialization): https://github.com/opencv/opencv/issues/15690
static const ushort c0 = 19595; // static_cast<ushort>(coef[0]*(1 << 16) + 0.5f);
static const ushort c1 = 38470; // static_cast<ushort>(coef[1]*(1 << 16) + 0.5f);
static const ushort c2 = 7471; // static_cast<ushort>(coef[2]*(1 << 16) + 0.5f);
static const short c3 = 2015; // static_cast<short>(coef[3]*(1 << 12) + 0.5f);
static const short c4 = 3592; // static_cast<short>(coef[4]*(1 << 12) + 0.5f);
void run_rgb2yuv422_impl(uchar out[], const uchar in[], int width)
{