From 36b6d961c202f4a6c06b362159f41b06a2d18248 Mon Sep 17 00:00:00 2001
From: David Turner
Date: Sat, 5 Feb 2011 21:58:44 +0000
Subject: TOON: Ensure minimum delay in worst case of render() loop to allow
 thread scheduling.

This should ensure that CPU usage is not pegged at 100%.

svn-id: r55790
---
 engines/toon/toon.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

(limited to 'engines/toon/toon.cpp')

diff --git a/engines/toon/toon.cpp b/engines/toon/toon.cpp
index d7168c2843..e26303eed1 100644
--- a/engines/toon/toon.cpp
+++ b/engines/toon/toon.cpp
@@ -419,13 +419,13 @@ void ToonEngine::render() {
 		copyToVirtualScreen(true);
 	}
 
-	// add a little sleep here if needed.
+	// add a little sleep here
 	int32 newMillis = (int32)_system->getMillis();
-	if (newMillis - _lastRenderTime  < _tickLength) {
-		int32 sleepMs = _tickLength - (newMillis - _lastRenderTime);
-		assert(sleepMs >= 0);
-		_system->delayMillis(sleepMs);
-	}
+	int32 sleepMs = 1; // Minimum delay to allow thread scheduling
+	if ((newMillis - _lastRenderTime)  < _tickLength)
+		sleepMs = _tickLength - (newMillis - _lastRenderTime);
+	assert(sleepMs >= 0);
+	_system->delayMillis(sleepMs);
 	_lastRenderTime = _system->getMillis();
 }
 
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