From fdeeb0190eb6fa2d6b39816d14a664f5d38aa4ec Mon Sep 17 00:00:00 2001
From: Mnikolenko ProductEngine <mnikolenko@productengine.com>
Date: Wed, 17 Nov 2021 17:51:50 +0200
Subject: SL-16330 Allow vsync update without restart on mac

---
 indra/llwindow/llwindowmacosx.cpp | 27 ++++++++++++++++-----------
 1 file changed, 16 insertions(+), 11 deletions(-)

(limited to 'indra/llwindow/llwindowmacosx.cpp')

diff --git a/indra/llwindow/llwindowmacosx.cpp b/indra/llwindow/llwindowmacosx.cpp
index dac84690db..0e37e82091 100644
--- a/indra/llwindow/llwindowmacosx.cpp
+++ b/indra/llwindow/llwindowmacosx.cpp
@@ -661,17 +661,7 @@ BOOL LLWindowMacOSX::createContext(int x, int y, int width, int height, int bits
 	}
 
 	// Disable vertical sync for swap
-	GLint frames_per_swap = 0;
-	if (!enable_vsync)
-	{
-		frames_per_swap = 0;
-	}
-	else
-	{
-		frames_per_swap = 1;
-	}
-	
-	CGLSetParameter(mContext, kCGLCPSwapInterval, &frames_per_swap);
+    toggleVSync(enable_vsync);
 
 	//enable multi-threaded OpenGL
 	if (sUseMultGL)
@@ -1944,6 +1934,21 @@ void LLWindowMacOSX::destroySharedContext(void* context)
     delete sc;
 }
 
+void LLWindowMacOSX::toggleVSync(bool enable_vsync)
+{
+    GLint frames_per_swap = 0;
+    if (!enable_vsync)
+    {
+        frames_per_swap = 0;
+    }
+    else
+    {
+        frames_per_swap = 1;
+    }
+    
+    CGLSetParameter(mContext, kCGLCPSwapInterval, &frames_per_swap);
+}
+
 void LLWindowMacOSX::interruptLanguageTextInput()
 {
 	commitCurrentPreedit(mGLView);
-- 
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