/*-*- 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 │ │ │ │ Permission to use, copy, modify, and/or distribute this software for │ │ any purpose with or without fee is hereby granted, provided that the │ │ above copyright notice and this permission notice appear in all copies. │ │ │ │ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │ │ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │ │ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │ │ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │ │ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │ │ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │ │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │ │ PERFORMANCE OF THIS SOFTWARE. │ ╚─────────────────────────────────────────────────────────────────────────────*/ #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; }