__to_dc_lut3d_color
__to_dc_lut3d_color(&lut0[lut_i], lut[i], bit_depth);
__to_dc_lut3d_color(&lut1[lut_i], lut[i + 1], bit_depth);
__to_dc_lut3d_color(&lut2[lut_i], lut[i + 2], bit_depth);
__to_dc_lut3d_color(&lut3[lut_i], lut[i + 3], bit_depth);
__to_dc_lut3d_color(&lut0[lut_i], lut[i], bit_depth);