quakeforge/libs/models/fullbright.c

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/*
fullbright.c
fullbright skin handling
Copyright (C) 1996-1997 Id Software, Inc.
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; either version 2
of the License, or (at your option) any later version.
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
// models are the only shared resource between a client and server running
// on the same machine.
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "r_local.h"
VISIBLE int
Mod_CalcFullbright (byte *in, byte *out, int pixels)
{
byte fb = 0;
while (pixels--) {
byte pix = *in++;
byte mask = (pix >= 256 - 32) - 1;
fb |= mask + 1;
*out++ = pix | mask;
}
return fb;
}