Revert "Try Sleep(1) instead of Sleep(0) while waiting for queries."

Caused significant slowdown in some chrome use cases that used glFinish or synchronous fences. BUG=532571 This reverts commit a53000b0. Change-Id: Id260e9ced472c409b2fa0b28b2b3dea99d412fdf Reviewed-on: https://chromium-review.googlesource.com/300491Reviewed-by: Geoff Lang <geofflang@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org>

Revert "Try Sleep(1) instead of Sleep(0) while waiting for queries."
e5f735f9 · Geoff Lang · 27593e05 · e5f735f9
Commit e5f735f9 authored Sep 17, 2015 by Geoff Lang
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utilities.cpp src/common/utilities.cpp +1 -4

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--- a/src/common/utilities.cpp
+++ b/src/common/utilities.cpp
@@ -719,10 +719,7 @@ void ScheduleYield()
    // Emulate sleep by waiting with timeout on an event that is never signalled.
    WaitForSingleObjectEx(sleepEvent, 0, false);
 #else
-    if (SwitchToThread() == FALSE)
+    Sleep(0);
-    {
-        Sleep(1);
-    }
 #endif
 }