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Tweak Display.sync() method a little to reduce the Thread.yield() time even further, now with a minimum of 0 yield time.

This commit is contained in:
kappa1 2012-03-01 22:34:34 +00:00
parent 4293976506
commit d099a86e50
1 changed files with 5 additions and 5 deletions
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10
src/java/org/lwjgl/opengl/Display.java
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@ -86,7 +86,7 @@ public final class Display {
private static boolean syncInitiated;
/** adaptive time to yield instead of sleeping in sync()*/
private static long adaptiveYieldTime = 1000*1000;
private static long adaptiveYieldTime;
/** X coordinate of the window */
private static int x = -1;
@ -444,12 +444,12 @@ public final class Display {
// auto tune the amount of time to yield
if (overSleep > adaptiveYieldTime) {
// increase by 500 microseconds (half a ms)
adaptiveYieldTime = Math.min(adaptiveYieldTime + 500*1000, sleepTime);
// increase by 200 microseconds (1/5 a ms)
adaptiveYieldTime = Math.min(adaptiveYieldTime + 200*1000, sleepTime);
}
else if (overSleep < adaptiveYieldTime - 1000*1000) {
else if (overSleep < adaptiveYieldTime - 200*1000) {
// decrease by 5 microseconds
adaptiveYieldTime = Math.max(adaptiveYieldTime - 5*1000, 1000*1000);
adaptiveYieldTime = Math.max(adaptiveYieldTime - 2*1000, 0);
}
}