59 lines
2.2 KiB
Diff
59 lines
2.2 KiB
Diff
Index: xorg-server-1.12.1/Xext/sync.c
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===================================================================
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--- xorg-server-1.12.1.orig/Xext/sync.c
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+++ xorg-server-1.12.1/Xext/sync.c
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@@ -2615,9 +2615,43 @@ static XSyncValue *pIdleTimeValueGreater
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static void
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IdleTimeQueryValue(pointer pCounter, CARD64 * pValue_return)
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{
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- CARD32 idle = GetTimeInMillis() - lastDeviceEventTime.milliseconds;
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+ static CARD32 previousLastDeviceEventTimeMilliseconds = 0;
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+ CARD32 now = GetTimeInMillis();
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+ CARD32 idle = now - lastDeviceEventTime.milliseconds;
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+ CARD32 previousIdle = now - previousLastDeviceEventTimeMilliseconds;
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+ SyncCounter *pIdleTimeCounter = (SyncCounter*)pCounter;
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XSyncIntsToValue(pValue_return, idle, 0);
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+ if (pCounter == NULL)
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+ {
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+ return;
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+ }
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+ if (previousLastDeviceEventTimeMilliseconds == 0)
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+ {
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+ /* initialize static var when this function is invoked the first time. */
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+ previousLastDeviceEventTimeMilliseconds = lastDeviceEventTime.milliseconds;
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+ return;
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+ }
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+
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+ if (previousLastDeviceEventTimeMilliseconds == lastDeviceEventTime.milliseconds)
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+ {
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+ /* no new user event, no need to change idle counter. */
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+ return;
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+ }
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+ previousLastDeviceEventTimeMilliseconds = lastDeviceEventTime.milliseconds;
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+
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+ /*
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+ * Some user event occured; now update idle counter with previous
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+ * event time, so idle counter has the most up-to-date value with
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+ * respect to previous user event (we need old and new counter
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+ * value to compute if a transition occured). Recompute bracket
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+ * values if this is system counter.
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+ */
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+
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+ XSyncIntsToValue (&pIdleTimeCounter->value, previousIdle, 0);
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+ if (IsSystemCounter(pIdleTimeCounter)) {
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+ SyncComputeBracketValues(pIdleTimeCounter);
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+ }
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}
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static void
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@@ -2700,7 +2734,7 @@ IdleTimeWakeupHandler(pointer env, int r
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if (!pIdleTimeValueLess && !pIdleTimeValueGreater)
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return;
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- IdleTimeQueryValue(NULL, &idle);
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+ IdleTimeQueryValue(IdleTimeCounter, &idle);
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if ((pIdleTimeValueGreater &&
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XSyncValueGreaterOrEqual(idle, *pIdleTimeValueGreater)) ||
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