src/lib/ecore_x/xlib/ecore_x_sync.c

   1 /*
   2  * XSync code
   3  */
   4
   5 #ifdef HAVE_CONFIG_H
   6 # include <config.h>
   7 #endif /* ifdef HAVE_CONFIG_H */
   8
   9 #include "Ecore.h"
  10 #include "ecore_x_private.h"
  11 #include "Ecore_X.h"
  12 #include "Ecore_X_Atoms.h"
  13
  14 EAPI Ecore_X_Sync_Alarm
  15 ecore_x_sync_alarm_new(Ecore_X_Sync_Counter counter)
  16 {
  17    Ecore_X_Sync_Alarm alarm;
  18    XSyncAlarmAttributes values;
  19    XSyncValue init;
  20
  21    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  22    XSyncIntToValue(&init, 0);
  23    XSyncSetCounter(_ecore_x_disp, counter, init);
  24
  25    values.trigger.counter = counter;
  26    values.trigger.value_type = XSyncAbsolute;
  27    XSyncIntToValue(&values.trigger.wait_value, 1);
  28    values.trigger.test_type = XSyncPositiveComparison;
  29
  30    XSyncIntToValue(&values.delta,              1);
  31
  32    values.events = True;
  33
  34    alarm = XSyncCreateAlarm(_ecore_x_disp,
  35                             XSyncCACounter |
  36                             XSyncCAValueType |
  37                             XSyncCAValue |
  38                             XSyncCATestType |
  39                             XSyncCADelta |
  40                             XSyncCAEvents,
  41                             &values);
  42
  43    ecore_x_sync();
  44    return alarm;
  45 } /* ecore_x_sync_alarm_new */
  46
  47 EAPI int
  48 ecore_x_sync_alarm_free(Ecore_X_Sync_Alarm alarm)
  49 {
  50    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  51    return XSyncDestroyAlarm(_ecore_x_disp, alarm);
  52 } /* ecore_x_sync_alarm_free */
  53
  54 EAPI int
  55 ecore_x_sync_counter_query(Ecore_X_Sync_Counter counter, unsigned int *val)
  56 {
  57    XSyncValue value;
  58
  59    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  60    if (XSyncQueryCounter(_ecore_x_disp, counter, &value))
  61      {
  62         *val = (unsigned int)XSyncValueLow32(value);
  63         return 1;
  64      }
  65
  66    return 0;
  67 } /* ecore_x_sync_counter_query */
  68
  69 EAPI Ecore_X_Sync_Counter
  70 ecore_x_sync_counter_new(int val)
  71 {
  72    XSyncCounter counter;
  73    XSyncValue v;
  74
  75    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  76    XSyncIntToValue(&v, val);
  77    counter = XSyncCreateCounter(_ecore_x_disp, v);
  78    return counter;
  79 } /* ecore_x_sync_counter_new */
  80
  81 EAPI void
  82 ecore_x_sync_counter_free(Ecore_X_Sync_Counter counter)
  83 {
  84    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  85    XSyncDestroyCounter(_ecore_x_disp, counter);
  86 } /* ecore_x_sync_counter_free */
  87
  88 EAPI void
  89 ecore_x_sync_counter_inc(Ecore_X_Sync_Counter counter, int by)
  90 {
  91    XSyncValue v;
  92
  93    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  94    XSyncIntToValue(&v, by);
  95    XSyncChangeCounter(_ecore_x_disp, counter, v);
  96 } /* ecore_x_sync_counter_inc */
  97
  98 EAPI void
  99 ecore_x_sync_counter_val_wait(Ecore_X_Sync_Counter counter, int val)
 100 {
 101    XSyncWaitCondition cond;
 102    XSyncValue v, v2;
 103
 104    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 105    XSyncQueryCounter(_ecore_x_disp, counter, &v);
 106    XSyncIntToValue(&v,  val);
 107    XSyncIntToValue(&v2, val + 1);
 108    cond.trigger.counter = counter;
 109    cond.trigger.value_type = XSyncAbsolute;
 110    cond.trigger.wait_value = v;
 111    cond.trigger.test_type = XSyncPositiveComparison;
 112    cond.event_threshold = v2;
 113    XSyncAwait(_ecore_x_disp, &cond, 1);
 114 //   XSync(_ecore_x_disp, False); // dont need this
 115 } /* ecore_x_sync_counter_val_wait */
 116