macOS: Don't skip display link delivery via GCD during live resizing

We now avoid flushing GL if the exposed size does not match the window
size, so we don't need to halt update request delivery during resize.

Change-Id: Iaa89e67d50c987757a586b5958e08edf71a5dd0c
Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>

1 files changed, 0 insertions, 9 deletions

diff --git a/src/plugins/platforms/cocoa/qcocoascreen.mm b/src/plugins/platforms/cocoa/qcocoascreen.mm
index 40273bac84..bd5c95b9d0 100644
--- a/src/plugins/platforms/cocoa/qcocoascreen.mm
+++ b/src/plugins/platforms/cocoa/qcocoascreen.mm
@@ -375,15 +375,6 @@ void QCocoaScreen::deliverUpdateRequests()
             // it on the main thread yet, because the processing of the update request is taking
             // too long, or because the update request was deferred due to window live resizing.
             qDeferredDebug(screenUpdates) << ", " << framesAheadOfDelivery << " frame(s) ahead";
-
-            // We skip the frame completely if we're live-resizing, to not put any extra
-            // strain on the main thread runloop. Otherwise we assume we should push frames
-            // as fast as possible, and hopefully the callback will be delivered on the
-            // main thread just when the previous finished.
-            if (qt_apple_sharedApplication().keyWindow.inLiveResize) {
-                qDeferredDebug(screenUpdates) << "; waiting for main thread to catch up";
-                return;
-            }
         }
 
         qDeferredDebug(screenUpdates) << "; signaling dispatch source";