Mercurial > sdl-ios-xcode
annotate test/testtimer.c @ 2049:5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
author | Ryan C. Gordon <icculus@icculus.org> |
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date | Tue, 17 Oct 2006 09:15:21 +0000 |
parents | c121d94672cb |
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rev | line source |
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0 | 1 |
2 /* Test program to check the resolution of the SDL timer on the current | |
3 platform | |
4 */ | |
5 | |
6 #include <stdlib.h> | |
7 #include <stdio.h> | |
8 | |
9 #include "SDL.h" | |
10 | |
11 #define DEFAULT_RESOLUTION 1 | |
12 | |
13 static int ticks = 0; | |
14 | |
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15 static Uint32 SDLCALL |
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16 ticktock(Uint32 interval) |
0 | 17 { |
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18 ++ticks; |
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19 return (interval); |
0 | 20 } |
21 | |
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22 static Uint32 SDLCALL |
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23 callback(Uint32 interval, void *param) |
0 | 24 { |
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25 printf("Timer %d : param = %d\n", interval, (int) (uintptr_t) param); |
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26 return interval; |
0 | 27 } |
28 | |
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29 int |
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30 main(int argc, char *argv[]) |
0 | 31 { |
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32 int desired; |
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33 SDL_TimerID t1, t2, t3; |
0 | 34 |
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35 if (SDL_Init(SDL_INIT_TIMER) < 0) { |
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36 fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError()); |
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37 return (1); |
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38 } |
0 | 39 |
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40 /* Start the timer */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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41 desired = 0; |
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Sam Lantinga <slouken@libsdl.org>
parents:
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42 if (argv[1]) { |
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parents:
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43 desired = atoi(argv[1]); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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44 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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45 if (desired == 0) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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46 desired = DEFAULT_RESOLUTION; |
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47 } |
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48 SDL_SetTimer(desired, ticktock); |
0 | 49 |
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50 /* Wait 10 seconds */ |
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51 printf("Waiting 10 seconds\n"); |
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52 SDL_Delay(10 * 1000); |
0 | 53 |
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54 /* Stop the timer */ |
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55 SDL_SetTimer(0, NULL); |
0 | 56 |
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57 /* Print the results */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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58 if (ticks) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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59 fprintf(stderr, |
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60 "Timer resolution: desired = %d ms, actual = %f ms\n", |
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parents:
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61 desired, (double) (10 * 1000) / ticks); |
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62 } |
0 | 63 |
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64 /* Test multiple timers */ |
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65 printf("Testing multiple timers...\n"); |
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66 t1 = SDL_AddTimer(100, callback, (void *) 1); |
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67 if (!t1) |
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Sam Lantinga <slouken@libsdl.org>
parents:
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68 fprintf(stderr, "Could not create timer 1: %s\n", SDL_GetError()); |
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69 t2 = SDL_AddTimer(50, callback, (void *) 2); |
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70 if (!t2) |
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71 fprintf(stderr, "Could not create timer 2: %s\n", SDL_GetError()); |
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72 t3 = SDL_AddTimer(233, callback, (void *) 3); |
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73 if (!t3) |
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74 fprintf(stderr, "Could not create timer 3: %s\n", SDL_GetError()); |
0 | 75 |
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76 /* Wait 10 seconds */ |
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77 printf("Waiting 10 seconds\n"); |
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78 SDL_Delay(10 * 1000); |
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79 |
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80 printf("Removing timer 1 and waiting 5 more seconds\n"); |
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81 SDL_RemoveTimer(t1); |
0 | 82 |
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83 SDL_Delay(5 * 1000); |
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84 |
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85 SDL_RemoveTimer(t2); |
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86 SDL_RemoveTimer(t3); |
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87 |
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88 SDL_Quit(); |
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89 return (0); |
0 | 90 } |