quakeforge/libs/video/renderer/r_graph.c
Bill Currie b35854c706 [renderer] Improve time graph display
It now shows 200 frames and markings for 0, 1, 2, 2.5, 3.3, 5 and 10ms.
2022-12-02 10:52:16 +09:00

108 lines
2.7 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 "QF/ui/view.h"
#include "r_internal.h"
#define MAX_TIMINGS 200
int graphval;
/*
R_TimeGraph
Performance monitoring tool
*/
void
R_TimeGraph (view_pos_t abs, view_pos_t len)
{
static int timex;
int a;
int l;
double r_time2;
static int r_timings[MAX_TIMINGS];
int timings[MAX_TIMINGS];
int o;
r_time2 = Sys_DoubleTime ();
r_timings[timex] = (r_time2 - r_time1) * 10000;
//printf ("%d %g\n", r_timings[timex], r_time2 - r_time1);
l = MAX_TIMINGS;
if (l > r_refdef.vrect.width)
l = r_refdef.vrect.width;
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]));
r_funcs->R_LineGraph (abs.x, abs.y, r_timings, MAX_TIMINGS, 200);
r_funcs->Draw_Line (abs.x, abs.y, abs.x + MAX_TIMINGS, abs.y, 0x0f);
r_funcs->Draw_Line (abs.x, abs.y - 10, abs.x + MAX_TIMINGS, abs.y - 10, 0x3f);
r_funcs->Draw_Line (abs.x, abs.y - 20, abs.x + MAX_TIMINGS, abs.y - 20, 0x3f);
r_funcs->Draw_Line (abs.x, abs.y - 25, abs.x + MAX_TIMINGS, abs.y - 25, 0x3f);
r_funcs->Draw_Line (abs.x, abs.y - 33, abs.x + MAX_TIMINGS, abs.y - 33, 0x3f);
r_funcs->Draw_Line (abs.x, abs.y - 50, abs.x + MAX_TIMINGS, abs.y - 50, 0x3f);
r_funcs->Draw_Line (abs.x, abs.y - 100, abs.x + MAX_TIMINGS, abs.y - 100, 0x3f);
//r_data->graphheight->int_val);
timex = (timex + 1) % MAX_TIMINGS;
}
void
R_ZGraph (view_pos_t abs, view_pos_t len)
{
int 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_refdef.frame.position[2]) & 31;
r_funcs->R_LineGraph (abs.x, abs.y, height, w, *r_data->graphheight);
}