Function native_profile

tests/fl/gfx/rgbw_colorimetric.cpp:1187–1194

namespace native_topo {

inline DiodeProfile native_profile() {
    // Default `kRgbwDefaultProfile` already ships as Native (#2710), so we
    // can just copy it. Explicit set_input_gamut(InputGamut::Native) makes
    // the contract obvious in the test source.
    DiodeProfile p = kRgbwDefaultProfile;
    set_input_gamut(&p, InputGamut::Native);
    return p;
}

inline u8 q(float v) { return quantize_u8(v); }