diff options
| -rw-r--r-- | src/glut/directfb/callback.c | 68 | ||||
| -rw-r--r-- | src/glut/directfb/events.c | 11 | ||||
| -rw-r--r-- | src/glut/directfb/internal.h | 1 |
3 files changed, 55 insertions, 25 deletions
diff --git a/src/glut/directfb/callback.c b/src/glut/directfb/callback.c index 38cfccbd4f..4f23441167 100644 --- a/src/glut/directfb/callback.c +++ b/src/glut/directfb/callback.c @@ -28,14 +28,13 @@ typedef void (GLUTCALLBACK *__GlutTimerCallback) ( int value ); typedef struct __GlutTimer_s { - unsigned int interval; + struct timeval interval; struct timeval expire; __GlutTimerCallback func; int value; struct __GlutTimer_s *next; - struct __GlutTimer_s *prev; } __GlutTimer; /*****************************************************************************/ @@ -207,8 +206,7 @@ glutIdleFunc( void (GLUTCALLBACK *func) (void) ) void GLUTAPIENTRY glutTimerFunc( unsigned int msec, void (GLUTCALLBACK *func) (int value), int value ) { - __GlutTimer *timer; - struct timeval now; + __GlutTimer *timer; if (!func) return; @@ -217,24 +215,19 @@ glutTimerFunc( unsigned int msec, void (GLUTCALLBACK *func) (int value), int val if (!timer) __glutFatalError( "out of memory" ); - gettimeofday( &now, NULL ); - - timer->interval = msec; - timer->expire.tv_sec = now.tv_sec + (now.tv_usec/1000 + msec) / 1000; - timer->expire.tv_usec = (now.tv_usec + msec*1000) % 1000000; + timer->interval.tv_sec = msec / 1000; + timer->interval.tv_usec = (msec % 1000) * 1000; + + gettimeofday( &timer->expire, NULL ); + timer->expire.tv_usec += timer->interval.tv_usec; + timer->expire.tv_sec += timer->interval.tv_sec + timer->expire.tv_usec/1000000; + timer->expire.tv_usec %= 1000000; timer->func = func; timer->value = value; - if (g_timers) { - timer->prev = g_timers->prev; - g_timers->prev->next = timer; - g_timers->prev = timer; - } - else { - g_timers = timer; - g_timers->prev = timer; - } + timer->next = g_timers; + g_timers = timer; } @@ -254,12 +247,41 @@ __glutHandleTimers( void ) g_idle = GL_FALSE; cur->func( cur->value ); - - cur->expire.tv_sec += (cur->expire.tv_usec/1000 + cur->interval) / 1000; - cur->expire.tv_usec = (cur->expire.tv_usec + cur->interval*1000) % 1000000; + + cur->expire.tv_usec += cur->interval.tv_usec; + cur->expire.tv_sec += cur->interval.tv_sec + cur->expire.tv_usec/1000000; + cur->expire.tv_usec %= 1000000; } } -} +} + + +GLboolean +__glutGetTimeout( int *ret_msec ) +{ + __GlutTimer *cur; + struct timeval *time = NULL; + struct timeval now; + + for (cur = g_timers; cur; cur = cur->next) { + if (time == NULL || + time->tv_sec > cur->expire.tv_sec || + (time->tv_sec == cur->expire.tv_sec && + time->tv_usec > cur->expire.tv_usec)) { + time = &cur->expire; + } + } + + if (time == NULL) + return GL_FALSE; + + gettimeofday( &now, NULL ); + + *ret_msec = (time->tv_sec - now.tv_sec) * 1000 + + (time->tv_usec - now.tv_usec + 500) / 1000; + + return GL_TRUE; +} void @@ -275,4 +297,4 @@ __glutFreeTimers( void ) g_timers = NULL; } - + diff --git a/src/glut/directfb/events.c b/src/glut/directfb/events.c index 4c474710ab..6ebdd166ac 100644 --- a/src/glut/directfb/events.c +++ b/src/glut/directfb/events.c @@ -435,13 +435,14 @@ glutMainLoop( void ) { __glutAssert( events != NULL ); + __glutHandleWindows(); + while (GL_TRUE) { DFBEvent evt, prev; g_idle = GL_TRUE; __glutHandleTimers(); - __glutHandleWindows(); prev.clazz = DFEC_NONE; @@ -471,13 +472,19 @@ glutMainLoop( void ) __glutHandleTimers(); } + __glutHandleWindows(); + if (g_idle) { if (idle_func) { idle_func(); } else { + int msec; __glutSetWindow( NULL ); - usleep( 500 ); + if (__glutGetTimeout( &msec )) + events->WaitForEventWithTimeout( events, msec/1000, msec%1000 ); + else + events->WaitForEvent( events ); } } } diff --git a/src/glut/directfb/internal.h b/src/glut/directfb/internal.h index bc3e20e93e..47311c9342 100644 --- a/src/glut/directfb/internal.h +++ b/src/glut/directfb/internal.h @@ -124,6 +124,7 @@ extern void __glutDestroyWindow( __GlutWindow *window ); extern void __glutDestroyWindows( void ); /* callback.c */ extern void __glutHandleTimers( void ); +extern GLboolean __glutGetTimeout( int *ret_msec ); extern void __glutFreeTimers( void ); |