/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│ │vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│ ╞══════════════════════════════════════════════════════════════════════════════╡ │ Copyright 2020 Justine Alexandra Roberts Tunney │ │ │ │ This program is free software; you can redistribute it and/or modify │ │ it under the terms of the GNU General Public License as published by │ │ the Free Software Foundation; version 2 of the License. │ │ │ │ This program is distributed in the hope that it will be useful, but │ │ WITHOUT ANY WARRANTY; without even the implied warranty of │ │ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │ │ General Public License for more details. │ │ │ │ You should have received a copy of the GNU General Public License │ │ along with this program; if not, write to the Free Software │ │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │ │ 02110-1301 USA │ ╚─────────────────────────────────────────────────────────────────────────────*/ #include "dsp/tty/quant.h" #include "libc/math.h" /* struct TtyRgb rgb2tty24f_(__m128 rgb) { const __v4si kMax = {255, 255, 255, 255}; const __v4si kMin = {0, 0, 0, 0}; struct TtyRgb res; __v4si rgb255; rgb255 = _mm_min_ps(_mm_max_ps(_mm_cvtps_epi32(rgb * 255), kMin), kMax); res = (struct TtyRgb){rgb255[0], rgb255[1], rgb255[2], rgb255[3]}; return res; } */ struct TtyRgb rgb2tty24f_(__m128 rgb) { const __m128 kMax = {1, 1, 1, 1}; const __m128 kMin = {0, 0, 0, 0}; struct TtyRgb res; rgb = _mm_min_ps(_mm_max_ps(rgb, kMin), kMax) * 255; res = (struct TtyRgb){rgb[0], rgb[1], rgb[2], rgb[3]}; return res; }