From 061d55f5350b55b967592afb360d51827021d9ab Mon Sep 17 00:00:00 2001
From: Sebastian Dröge <sebastian@centricular.com>
Date: Wed, 1 Oct 2014 11:55:13 +0300
Subject: gl/cocoa: Handle NSView::renewGState() properly

Don't update the screen until we redraw, this prevents flickering during
scrolling, clipping, resizing, etc
---
 gst-libs/gst/gl/cocoa/gstglwindow_cocoa.m | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/gst-libs/gst/gl/cocoa/gstglwindow_cocoa.m b/gst-libs/gst/gl/cocoa/gstglwindow_cocoa.m
index f0333b94c..cc88160cb 100644
--- a/gst-libs/gst/gl/cocoa/gstglwindow_cocoa.m
+++ b/gst-libs/gst/gl/cocoa/gstglwindow_cocoa.m
@@ -549,6 +549,16 @@ resize_cb (gpointer data)
   gst_object_unref (context);
 }
 
+- (void)renewGState {
+  /* Don't update the screen until we redraw, this
+   * prevents flickering during scrolling, clipping,
+   * resizing, etc
+   */
+  [[self window] disableScreenUpdatesUntilFlush];
+
+  [super renewGState];
+}
+
 - (void)drawRect: (NSRect)dirtyRect {
   [self reshape];
 }
-- 
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