forked from pool/xorg-x11-server
58 lines
2.1 KiB
Diff
58 lines
2.1 KiB
Diff
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--- xorg-server-1.9.1/Xext/sync.c 2010-11-16 23:11:56.751124639 -0500
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+++ xorg-server-1.9.1/Xext/sync.c 2010-11-16 23:13:16.327862535 -0500
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@@ -2264,8 +2264,44 @@
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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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+
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XSyncIntsToValue (pValue_return, idle, 0);
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+
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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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@@ -2342,7 +2378,7 @@
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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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