mirror of
https://git.code.sf.net/p/quake/quakeforge
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101 lines
2.2 KiB
C
101 lines
2.2 KiB
C
/*
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sw32_graph.c
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(description)
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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static __attribute__ ((used)) const char rcsid[] =
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"$Id$";
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#include "QF/cvar.h"
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#include "QF/draw.h"
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#include "QF/render.h"
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#include "QF/sys.h"
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#include "r_local.h"
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#include "r_cvar.h"
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/*
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R_LineGraph
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Only called by R_DisplayTime
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*/
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void
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R_LineGraph (int x, int y, int *h_vals, int count)
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{
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int h, i, s, color;
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// FIXME: disable on no-buffer adapters, or put in the driver
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s = r_graphheight->int_val;
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while (count--) {
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h = *h_vals++;
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if (h == 10000)
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color = 0x6f; // yellow
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else if (h == 9999)
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color = 0x4f; // red
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else if (h == 9998)
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color = 0xd0; // blue
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else
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color = 0xff; // pink
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if (h > s)
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h = s;
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switch(r_pixbytes) {
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case 1:
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{
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byte *dest = (byte *) vid.buffer + vid.rowbytes * y + x;
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for (i = 0; i < h; i++, dest -= vid.rowbytes * 2)
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*dest = color;
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}
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break;
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case 2:
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{
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short *dest = (short *) vid.buffer +
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(vid.rowbytes >> 1) * y + x;
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color = d_8to16table[color];
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for (i = 0; i < h; i++, dest -= vid.rowbytes)
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*dest = color;
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}
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break;
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case 4:
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{
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int *dest = (int *) vid.buffer +
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(vid.rowbytes >> 2) * y + x;
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color = d_8to24table[color];
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for (i = 0; i < h; i++, dest -= (vid.rowbytes >> 1))
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*dest = color;
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}
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break;
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default:
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Sys_Error("R_LineGraph: unsupported r_pixbytes %i",
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r_pixbytes);
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}
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}
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}
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