43 lines
2.5 KiB
C
43 lines
2.5 KiB
C
|
/*-*- 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;
|
||
|
|
}
|