quakeforge/libs/video/renderer/r_graph.c

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/*
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
$Id$
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "QF/draw.h"
#include "QF/render.h"
#include "QF/sys.h"
#include "r_local.h"
#include "sbar.h"
#define MAX_TIMINGS 100
extern float mouse_x, mouse_y;
int graphval;
/*
R_TimeGraph
Performance monitoring tool
*/
void
R_TimeGraph (void)
{
static int timex;
int a;
int l;
float r_time2;
static int r_timings[MAX_TIMINGS];
int x;
r_time2 = Sys_DoubleTime ();
a = (r_time2 - r_time1) / 0.01;
// a = fabs(mouse_y * 0.05);
// a = (int)((r_refdef.vieworg[2] + 1024)/1)%(int)r_graphheight->value;
// a = (int)((pmove.velocity[2] + 500)/10);
// a = fabs(velocity[0])/20;
// a = ((int)fabs(origin[0])/8)%20;
// a = (cl.idealpitch + 30)/5;
// a = (int)(cl.simangles[YAW] * 64/360) & 63;
a = graphval;
r_timings[timex] = a;
a = timex;
l = MAX_TIMINGS;
if (l > r_refdef.vrect.width)
l = r_refdef.vrect.width;
x = r_refdef.vrect.width - l;
a = timex - l;
if (a < 0) {
R_LineGraph (x, r_refdef.vrect.height - 2, &r_timings[a + MAX_TIMINGS], -a);
x -= a;
l += a;
a = 0;
}
R_LineGraph (x, r_refdef.vrect.height - 2, &r_timings[a], l);
timex = (timex + 1) % MAX_TIMINGS;
}
void
R_ZGraph (void)
{
int a, x, w, i;
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;
for (a = 0; a < w; a++) {
i = (r_framecount - a) & 255;
}
R_LineGraph (x, r_refdef.vrect.height - 2, height, w);
}