src/lib/ecore_x/xlib/ecore_x_sync.c

   1 /*
   2  * vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
   3  */
   4
   5 /*
   6  * XSync code
   7  */
   8
   9 #ifdef HAVE_CONFIG_H
  10 # include <config.h>
  11 #endif
  12
  13 #include "Ecore.h"
  14 #include "ecore_x_private.h"
  15 #include "Ecore_X.h"
  16 #include "Ecore_X_Atoms.h"
  17
  18 EAPI Ecore_X_Sync_Alarm
  19 ecore_x_sync_alarm_new(Ecore_X_Sync_Counter counter)
  20 {
  21    Ecore_X_Sync_Alarm alarm;
  22    XSyncAlarmAttributes values;
  23    XSyncValue init;
  24
  25    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  26    XSyncIntToValue(&init, 0);
  27    XSyncSetCounter(_ecore_x_disp, counter, init);
  28
  29    values.trigger.counter = counter;
  30    values.trigger.value_type = XSyncAbsolute;
  31    XSyncIntToValue(&values.trigger.wait_value, 1);
  32    values.trigger.test_type = XSyncPositiveComparison;
  33
  34    XSyncIntToValue(&values.delta, 1);
  35
  36    values.events = True;
  37
  38    alarm = XSyncCreateAlarm(_ecore_x_disp,
  39                             XSyncCACounter |
  40                             XSyncCAValueType |
  41                             XSyncCAValue |
  42                             XSyncCATestType |
  43                             XSyncCADelta |
  44                             XSyncCAEvents,
  45                             &values);
  46
  47    ecore_x_sync();
  48    return alarm;
  49 }
  50
  51 EAPI int
  52 ecore_x_sync_alarm_free(Ecore_X_Sync_Alarm alarm)
  53 {
  54    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  55    return XSyncDestroyAlarm(_ecore_x_disp, alarm);
  56 }
  57
  58 EAPI int
  59 ecore_x_sync_counter_query(Ecore_X_Sync_Counter counter, unsigned int *val)
  60 {
  61    XSyncValue value;
  62
  63    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  64    if (XSyncQueryCounter(_ecore_x_disp, counter, &value))
  65      {
  66         *val = (unsigned int) XSyncValueLow32(value);
  67         return 1;
  68      }
  69
  70    return 0;
  71 }
  72
  73 EAPI Ecore_X_Sync_Counter
  74 ecore_x_sync_counter_new(int val)
  75 {
  76    XSyncCounter counter;
  77    XSyncValue v;
  78
  79    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  80    XSyncIntToValue(&v, val);
  81    counter = XSyncCreateCounter(_ecore_x_disp, v);
  82    return counter;
  83 }
  84
  85 EAPI void
  86 ecore_x_sync_counter_free(Ecore_X_Sync_Counter counter)
  87 {
  88    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  89    XSyncDestroyCounter(_ecore_x_disp, counter);
  90 }
  91
  92 EAPI void
  93 ecore_x_sync_counter_inc(Ecore_X_Sync_Counter counter, int by)
  94 {
  95    XSyncValue v;
  96
  97    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  98    XSyncIntToValue(&v, by);
  99    XSyncChangeCounter(_ecore_x_disp, counter, v);
 100 }
 101
 102 EAPI void
 103 ecore_x_sync_counter_val_wait(Ecore_X_Sync_Counter counter, int val)
 104 {
 105    XSyncWaitCondition cond;
 106    XSyncValue v, v2;
 107
 108    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 109    XSyncQueryCounter(_ecore_x_disp, counter, &v);
 110    XSyncIntToValue(&v, val);
 111    XSyncIntToValue(&v2, val + 1);
 112    cond.trigger.counter = counter;
 113    cond.trigger.value_type = XSyncAbsolute;
 114    cond.trigger.wait_value = v;
 115    cond.trigger.test_type = XSyncPositiveComparison;
 116    cond.event_threshold = v2;
 117    XSyncAwait(_ecore_x_disp, &cond, 1);
 118 //   XSync(_ecore_x_disp, False); // dont need this
 119 }