mirror of
https://git.code.sf.net/p/quake/quakeforge
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102 lines
2 KiB
C
102 lines
2 KiB
C
/*
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r_graph.c
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rednerer diagnostic graphs
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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/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 "sbar.h"
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#define MAX_TIMINGS 100
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int graphval;
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/*
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R_TimeGraph
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Performance monitoring tool
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*/
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void
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R_TimeGraph (void)
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{
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static int timex;
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int a;
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int l;
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float r_time2;
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static int r_timings[MAX_TIMINGS];
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int x;
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r_time2 = Sys_DoubleTime ();
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a = graphval;
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r_timings[timex] = a;
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l = MAX_TIMINGS;
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if (l > r_refdef.vrect.width)
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l = r_refdef.vrect.width;
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x = r_refdef.vrect.width - l;
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a = timex - l;
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if (a < 0) {
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R_LineGraph (x, r_refdef.vrect.height - 2,
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&r_timings[a + MAX_TIMINGS], -a);
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x -= a;
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l += a;
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a = 0;
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}
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R_LineGraph (x, r_refdef.vrect.height - 2, &r_timings[a], l);
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timex = (timex + 1) % MAX_TIMINGS;
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}
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void
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R_ZGraph (void)
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{
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int a, x, w, i;
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static int height[256];
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if (r_refdef.vrect.width <= 256)
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w = r_refdef.vrect.width;
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else
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w = 256;
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height[r_framecount & 255] = ((int) r_origin[2]) & 31;
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x = 0;
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for (a = 0; a < w; a++) {
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i = (r_framecount - a) & 255;
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}
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R_LineGraph (x, r_refdef.vrect.height - 2, height, w);
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}
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