Function srgba_to_linear

tutorials/common/math/vec.h:75–81

}

inline Vec4f srgba_to_linear(const Vec4f c)
{
  return Vec4f(srgb_to_linear(c.x),
               srgb_to_linear(c.y),
               srgb_to_linear(c.z),
               max(c.w, 0.f));  // alpha is never gamma-corrected
}

// TODO implement srgba8_to_linear with a 256 entry LUT