hackthelobby/libcaca/caca/t/bench.c

81 lines
2.0 KiB
C

/*
* libcaca benchmark program
* Copyright (c) 2009 Pascal Terjan <pterjan@linuxfr.org>
* 2009 Sam Hocevar <sam@hocevar.net>
*
* This library is free software. It comes without any warranty, to
* the extent permitted by applicable law. You can redistribute it
* and/or modify it under the terms of the Do What the Fuck You Want
* to Public License, Version 2, as published by Sam Hocevar. See
* http://www.wtfpl.net/ for more details.
*/
#include "config.h"
#include <stdio.h>
#include "caca.h"
#define BLIT_LOOPS 1000000
#define PUTCHAR_LOOPS 50000000
#define TIME(desc, code) \
{ \
caca_display_t *dummy = caca_create_display_with_driver(NULL, "null"); \
printf("%-25s: ", desc);\
caca_refresh_display(dummy); \
code; \
caca_refresh_display(dummy); \
printf("%5dms\n", caca_get_display_time(dummy) / 1000); \
caca_free_display(dummy); \
}
static void blit(int mask, int clear)
{
caca_canvas_t *cv, *cv2;
int i;
cv = caca_create_canvas(40, 40);
cv2 = caca_create_canvas(16, 16);
caca_fill_box(cv2, 0, 0, 16, 16, 'x');
for (i = 0; i < BLIT_LOOPS; i++)
{
if(clear)
caca_clear_canvas(cv);
caca_blit(cv, 1, 1, cv2, mask ? cv2 : NULL);
}
caca_free_canvas(cv);
caca_free_canvas(cv2);
}
static void putchars(int optim)
{
caca_canvas_t *cv;
int i;
cv = caca_create_canvas(40, 40);
if(optim)
caca_disable_dirty_rect(cv);
for (i = 0; i < PUTCHAR_LOOPS; i++)
{
caca_put_char(cv, 1, 1, 'x');
caca_put_char(cv, 1, 1, 'o');
}
if(optim)
{
caca_enable_dirty_rect(cv);
caca_add_dirty_rect(cv, 1, 1, 1, 1);
}
caca_free_canvas(cv);
}
int main(int argc, char *argv[])
{
TIME("blit no mask, no clear", blit(0, 0));
TIME("blit no mask, clear", blit(0, 1));
TIME("blit mask, no clear", blit(1, 0));
TIME("blit mask, clear", blit(1, 1));
TIME("putchars, no optim", putchars(0));
TIME("putchars, optim", putchars(1));
return 0;
}