1 #define __TESTNR_C__
3 /*
4 * Pixel buffer rendering library
5 *
6 * Authors:
7 * Lauris Kaplinski <lauris@kaplinski.com>
8 *
9 * This code is in public domain
10 */
12 #if defined (_WIN32) || defined (__WIN32__)
13 # include <windows.h>
14 #include <glib.h>
15 #endif
18 #include "nr-blit.h"
20 static double
21 get_time (void)
22 {
23 GTimeVal tv;
24 g_get_current_time (&tv);
25 return tv.tv_sec + 1e-6 * tv.tv_usec;
26 }
28 static unsigned int
29 rand_byte (void)
30 {
31 return (int) (256.0 * rand () / (RAND_MAX + 1.0));
32 }
34 int
35 main (int argc, const char **argv)
36 {
37 double start, end;
38 NRPixBlock d, m[16];
39 int count, i;
41 srand (time (NULL));
43 printf ("Initializing buffers\n");
45 /* Destination */
46 nr_pixblock_setup_fast (&d, NR_PIXBLOCK_MODE_R8G8B8A8P, 0, 0, 64, 64, 1);
47 d.empty = 0;
49 /* Masks */
50 for (i = 0; i < 16; i++) {
51 int r, b, c;
52 nr_pixblock_setup_fast (&m[i], NR_PIXBLOCK_MODE_A8, 0, 0, 64, 64, 0);
53 for (r = 0; r < 64; r++) {
54 unsigned int q;
55 unsigned char *p;
56 p = NR_PIXBLOCK_PX (&m[i]) + r * m[i].rs;
57 for (b = 0; b < 8; b++) {
58 q = rand_byte ();
59 if (q < 120) {
60 for (c = 0; c < 8; c++) *p++ = 0;
61 } else if (q < 240) {
62 for (c = 0; c < 8; c++) *p++ = 255;
63 } else {
64 for (c = 0; c < 8; c++) *p++ = rand_byte ();
65 }
66 }
67 }
68 m[i].empty = 0;
69 }
71 printf ("Random transparency\n");
72 count = 0;
73 start = end = get_time ();
74 while ((end - start) < 5.0) {
75 unsigned char r, g, b, a;
76 r = rand_byte ();
77 g = rand_byte ();
78 b = rand_byte ();
79 a = rand_byte ();
81 for (i = 0; i < 16; i++) {
82 nr_blit_pixblock_mask_rgba32 (&d, &m[i], (a << 24) | (g << 16) | (b << 8) | a);
83 count += 1;
84 }
85 end = get_time ();
86 }
87 printf ("Did %d [64x64] random buffers in %f sec\n", count, end - start); // localizing ok
88 printf ("%f buffers per second\n", count / (end - start)); // localizing ok
89 printf ("%f pixels per second\n", count * (64 * 64) / (end - start)); // localizing ok
91 return 0;
92 }