quakeforge/libs/video/renderer/r_graph.c
Bill Currie 91eeae5186 [qw] Clean up netgraph somewhat
The renderer's LineGraph now takes a height parameter, and netgraph now
uses cl_* cvars instead of r_* (which never really made sense),
including it's own height cvar (the render graphs still use
r_graphheight).
2021-07-11 10:59:27 +09:00

103 lines
2.1 KiB
C

/*
r_graph.c
rednerer diagnostic graphs
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
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <string.h>
#include "QF/cvar.h"
#include "QF/draw.h"
#include "QF/render.h"
#include "QF/plugin.h"
#include "QF/sys.h"
#include "r_internal.h"
#define MAX_TIMINGS 100
int graphval;
/*
R_TimeGraph
Performance monitoring tool
*/
void
R_TimeGraph (void)
{
static int timex;
int a;
int l;
//XXX float r_time2;
static int r_timings[MAX_TIMINGS];
int timings[MAX_TIMINGS];
int x, o;
//XXX r_time2 = Sys_DoubleTime ();
a = graphval;
r_timings[timex] = a;
l = MAX_TIMINGS;
if (l > r_refdef.vrect.width)
l = r_refdef.vrect.width;
x = r_refdef.vrect.width - l;
o = 0;
a = timex - l;
if (a < 0) {
memcpy (timings + o, r_timings + a + MAX_TIMINGS,
-a * sizeof (timings[0]));
o -= a;
l += a;
a = 0;
}
memcpy (timings + o, r_timings + a, l * sizeof (timings[0]));
vr_funcs->R_LineGraph (x, r_refdef.vrect.height - 2, r_timings,
MAX_TIMINGS, vr_data.graphheight->int_val);
timex = (timex + 1) % MAX_TIMINGS;
}
void
R_ZGraph (void)
{
int x, w;
static int height[256];
if (r_refdef.vrect.width <= 256)
w = r_refdef.vrect.width;
else
w = 256;
height[r_framecount & 255] = ((int) r_origin[2]) & 31;
x = 0;
vr_funcs->R_LineGraph (x, r_refdef.vrect.height - 2, height,
w, vr_data.graphheight->int_val);
}