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#include "ecore_xcb_private.h"
# ifdef ECORE_XCB_SYNC
# include <xcb/sync.h>
# endif
/* local variables */
static Eina_Bool _sync_avail = EINA_FALSE;
/* external variables */
int _ecore_xcb_event_sync = -1;
void
_ecore_xcb_sync_init(void)
{
LOGFN(__FILE__, __LINE__, __FUNCTION__);
#ifdef ECORE_XCB_SYNC
xcb_prefetch_extension_data(_ecore_xcb_conn, &xcb_sync_id);
#endif
}
void
_ecore_xcb_sync_finalize(void)
{
#ifdef ECORE_XCB_SYNC
const xcb_query_extension_reply_t *ext_reply;
#endif
LOGFN(__FILE__, __LINE__, __FUNCTION__);
#ifdef ECORE_XCB_SYNC
ext_reply = xcb_get_extension_data(_ecore_xcb_conn, &xcb_sync_id);
if ((ext_reply) && (ext_reply->present))
{
xcb_sync_initialize_cookie_t cookie;
xcb_sync_initialize_reply_t *reply;
cookie =
xcb_sync_initialize_unchecked(_ecore_xcb_conn,
XCB_SYNC_MAJOR_VERSION,
XCB_SYNC_MINOR_VERSION);
reply = xcb_sync_initialize_reply(_ecore_xcb_conn, cookie, NULL);
if (reply)
{
if (reply->major_version >= 3) _sync_avail = EINA_TRUE;
free(reply);
}
if (_sync_avail)
_ecore_xcb_event_sync = ext_reply->first_event;
}
#endif
}
void
_ecore_xcb_sync_magic_send(int val,
Ecore_X_Window win)
{
xcb_client_message_event_t ev;
LOGFN(__FILE__, __LINE__, __FUNCTION__);
memset(&ev, 0, sizeof(xcb_client_message_event_t));
ev.response_type = XCB_CLIENT_MESSAGE;
ev.format = 32;
ev.window = win;
ev.type = 27777;
ev.data.data32[0] = 0x7162534;
ev.data.data32[1] = (0x10000000 + val);
ev.data.data32[2] = win;
xcb_send_event(_ecore_xcb_conn, 0, win, XCB_EVENT_MASK_NO_EVENT,
(const char *)&ev);
// ecore_x_flush();
}
/* public functions */
EAPI Ecore_X_Sync_Alarm
ecore_x_sync_alarm_new(Ecore_X_Sync_Counter counter)
{
#ifdef ECORE_XCB_SYNC
uint32_t list[6], mask;
xcb_sync_int64_t init;
Ecore_X_Sync_Alarm alarm;
#endif
LOGFN(__FILE__, __LINE__, __FUNCTION__);
CHECK_XCB_CONN;
if ((!_sync_avail) || (!counter)) return 0;
#ifdef ECORE_XCB_SYNC
init.lo = 0;
init.hi = 0;
xcb_sync_set_counter(_ecore_xcb_conn, counter, init);
mask = (XCB_SYNC_CA_COUNTER | XCB_SYNC_CA_VALUE_TYPE |
XCB_SYNC_CA_VALUE | XCB_SYNC_CA_TEST_TYPE |
XCB_SYNC_CA_DELTA | XCB_SYNC_CA_EVENTS);
list[0] = counter;
list[1] = XCB_SYNC_VALUETYPE_ABSOLUTE;
list[2] = 1;
list[3] = XCB_SYNC_TESTTYPE_POSITIVE_COMPARISON;
list[4] = 1;
list[5] = 1;
alarm = xcb_generate_id(_ecore_xcb_conn);
xcb_sync_create_alarm(_ecore_xcb_conn, alarm, mask, list);
ecore_x_sync(); // needed
return alarm;
#endif
return 0;
}
EAPI Eina_Bool
ecore_x_sync_alarm_free(Ecore_X_Sync_Alarm alarm)
{
LOGFN(__FILE__, __LINE__, __FUNCTION__);
CHECK_XCB_CONN;
if ((!_sync_avail) || (!alarm)) return EINA_FALSE;
#ifdef ECORE_XCB_SYNC
xcb_sync_destroy_alarm(_ecore_xcb_conn, alarm);
// ecore_x_flush();
return EINA_TRUE;
#endif
return EINA_FALSE;
}
EAPI Eina_Bool
ecore_x_sync_counter_query(Ecore_X_Sync_Counter counter,
unsigned int *val)
{
#ifdef ECORE_XCB_SYNC
xcb_sync_query_counter_cookie_t cookie;
xcb_sync_query_counter_reply_t *reply;
#endif
LOGFN(__FILE__, __LINE__, __FUNCTION__);
CHECK_XCB_CONN;
if ((!_sync_avail) || (!counter)) return EINA_FALSE;
#ifdef ECORE_XCB_SYNC
cookie = xcb_sync_query_counter_unchecked(_ecore_xcb_conn, counter);
reply = xcb_sync_query_counter_reply(_ecore_xcb_conn, cookie, NULL);
if (reply)
{
if (val) *val = (unsigned int)reply->counter_value.lo;
free(reply);
return EINA_TRUE;
}
#endif
return EINA_FALSE;
}
EAPI void
ecore_x_sync_counter_inc(Ecore_X_Sync_Counter counter,
int by)
{
#ifdef ECORE_XCB_SYNC
xcb_sync_int64_t v;
#endif
LOGFN(__FILE__, __LINE__, __FUNCTION__);
CHECK_XCB_CONN;
if ((!_sync_avail) || (!counter)) return;
#ifdef ECORE_XCB_SYNC
v.hi = (by < 0) ? ~0 : 0;
v.lo = by;
xcb_sync_change_counter(_ecore_xcb_conn, counter, v);
// ecore_x_flush();
#endif
}
EAPI void
ecore_x_sync_counter_val_wait(Ecore_X_Sync_Counter counter,
int val)
{
#ifdef ECORE_XCB_SYNC
xcb_sync_query_counter_cookie_t cookie;
xcb_sync_query_counter_reply_t *reply;
xcb_sync_int64_t v1, v2;
xcb_sync_waitcondition_t cond;
#endif
LOGFN(__FILE__, __LINE__, __FUNCTION__);
CHECK_XCB_CONN;
if ((!_sync_avail) || (!counter)) return;
#ifdef ECORE_XCB_SYNC
cookie = xcb_sync_query_counter_unchecked(_ecore_xcb_conn, counter);
reply = xcb_sync_query_counter_reply(_ecore_xcb_conn, cookie, NULL);
if (!reply) return;
v1 = reply->counter_value;
free(reply);
v1.hi = (val < 0) ? ~0 : 0;
v1.lo = val;
v2.hi = ((val + 1) < 0) ? ~0 : 0;
v2.lo = (val + 1);
cond.trigger.counter = counter;
cond.trigger.wait_type = XCB_SYNC_VALUETYPE_ABSOLUTE;
cond.trigger.wait_value = v1;
cond.trigger.test_type = XCB_SYNC_TESTTYPE_POSITIVE_COMPARISON;
cond.event_threshold = v2;
xcb_sync_await(_ecore_xcb_conn, 1, &cond);
// ecore_x_flush();
#endif
}
EAPI Ecore_X_Sync_Counter
ecore_x_sync_counter_new(int val)
{
#ifdef ECORE_XCB_SYNC
xcb_sync_counter_t counter;
xcb_sync_int64_t v;
#endif
LOGFN(__FILE__, __LINE__, __FUNCTION__);
CHECK_XCB_CONN;
if (!_sync_avail) return 0;
#ifdef ECORE_XCB_SYNC
v.hi = (val < 0) ? ~0 : 0;
v.lo = val;
counter = xcb_generate_id(_ecore_xcb_conn);
xcb_sync_create_counter(_ecore_xcb_conn, counter, v);
// ecore_x_flush();
return counter;
#endif
return 0;
}
EAPI void
ecore_x_sync_counter_free(Ecore_X_Sync_Counter counter)
{
LOGFN(__FILE__, __LINE__, __FUNCTION__);
CHECK_XCB_CONN;
if ((!_sync_avail) || (!counter)) return;
#ifdef ECORE_XCB_SYNC
xcb_sync_destroy_counter(_ecore_xcb_conn, counter);
// ecore_x_flush();
#endif
}
EAPI void
ecore_x_sync_counter_set(Ecore_X_Sync_Counter counter,
int val)
{
#ifdef ECORE_XCB_SYNC
xcb_sync_int64_t v;
#endif
LOGFN(__FILE__, __LINE__, __FUNCTION__);
CHECK_XCB_CONN;
if ((!_sync_avail) || (!counter)) return;
#ifdef ECORE_XCB_SYNC
v.hi = (val < 0) ? ~0 : 0;
v.lo = val;
xcb_sync_set_counter(_ecore_xcb_conn, counter, v);
// ecore_x_flush();
#endif
}
EAPI void
ecore_x_sync_counter_2_set(Ecore_X_Sync_Counter counter,
int val_hi,
unsigned int val_lo)
{
#ifdef ECORE_XCB_SYNC
xcb_sync_int64_t v;
#endif
LOGFN(__FILE__, __LINE__, __FUNCTION__);
CHECK_XCB_CONN;
if ((!_sync_avail) || (!counter)) return;
#ifdef ECORE_XCB_SYNC
v.hi = val_hi;
v.lo = val_lo;
xcb_sync_set_counter(_ecore_xcb_conn, counter, v);
// ecore_x_flush();
#endif
}
EAPI Eina_Bool
ecore_x_sync_counter_2_query(Ecore_X_Sync_Counter counter,
int *val_hi,
unsigned int *val_lo)
{
#ifdef ECORE_XCB_SYNC
xcb_sync_query_counter_cookie_t cookie;
xcb_sync_query_counter_reply_t *reply;
xcb_sync_int64_t value;
#endif
LOGFN(__FILE__, __LINE__, __FUNCTION__);
CHECK_XCB_CONN;
if ((!_sync_avail) || (!counter)) return EINA_FALSE;
#ifdef ECORE_XCB_SYNC
cookie =
xcb_sync_query_counter_unchecked(_ecore_xcb_conn,
(xcb_sync_counter_t)counter);
reply = xcb_sync_query_counter_reply(_ecore_xcb_conn, cookie, NULL);
if (!reply) return EINA_FALSE;
value = reply->counter_value;
free(reply);
if (val_hi) *val_hi = (int)value.hi;
if (val_lo) *val_lo = (unsigned int)value.lo;
return EINA_TRUE;
#endif
return EINA_FALSE;
}
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