git.mutantstargoat.com Git - fbgfx/blob - src/main.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include "fbgfx.h"
   5 #include "fbevents.h"
   6 #include "timer.h"
   7 #include "screen.h"
   8 #include "screen.h"
   9 #include "demo.h"
  10
  11 static void keyboard(int key, int pressed, void *cls);
  12 static void mouse(int bn, int pressed, int x, int y, void *cls);
  13 static void motion(int x, int y, void *cls);
  14
  15 static long start_msec, num_frames;
  16
  17 static int quit;
  18
  19
  20 int main(void)
  21 {
  22         int i, trybpp[] = {16, 32, 24, 16, 0};
  23
  24         fbgfx_save_video_mode();
  25         fbgfx_get_video_mode(&fb_width, &fb_height, &fb_depth);
  26
  27         for(i=0; trybpp[i]; i++) {
  28                 if(!(fb_pixels = fbgfx_set_video_mode(fb_width, fb_height, trybpp[i]))) {
  29                         continue;
  30                 }
  31                 fbgfx_get_video_mode(&fb_width, &fb_height, &fb_depth);
  32                 if(fb_depth == trybpp[i]) {
  33                         break;
  34                 }
  35                 fprintf(stderr, "failed to set color fb_depth: %dbpp\n", trybpp[i]);
  36         }
  37         if(trybpp[i] == 0) {
  38                 fprintf(stderr, "no usable color fb_depths found\n");
  39                 goto end;
  40         }
  41
  42         if(fbev_init() == -1) {
  43                 goto end;
  44         }
  45         fbev_keyboard(keyboard, 0);
  46         fbev_mbutton(mouse, 0);
  47         fbev_mmotion(motion, 0);
  48
  49         if(scr_init() == -1) {
  50                 goto end;
  51         }
  52         scr_change(scr_lookup("console"), 0);
  53         scr_change(scr_lookup("tunnel"), 4000);
  54
  55         start_msec = get_time_msec();
  56         for(;;) {
  57                 fbev_update();
  58                 if(quit) break;
  59
  60                 time_msec = get_time_msec() - start_msec;
  61
  62                 scr_update();
  63                 scr_draw();
  64                 ++num_frames;
  65         }
  66
  67         time_msec = get_time_msec() - start_msec;
  68 end:
  69         scr_shutdown();
  70         fbev_shutdown();
  71         fbgfx_restore_video_mode();
  72         if(num_frames && time_msec) {
  73                 printf("\ravg framerate: %.1f\n", (float)num_frames / ((float)time_msec / 1000.0));
  74         }
  75         return 0;
  76 }
  77
  78 static void keyboard(int key, int pressed, void *cls)
  79 {
  80         if(!pressed) return;
  81
  82         switch(key) {
  83         case 27:
  84         case 'q':
  85         case 'Q':
  86                 quit = 1;
  87                 break;
  88         }
  89 }
  90
  91 static void mouse(int bn, int pressed, int x, int y, void *cls)
  92 {
  93 }
  94
  95 static void motion(int x, int y, void *cls)
  96 {
  97 }