From: divverent <divverent@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Thu, 19 Apr 2012 19:52:58 +0000 (+0000)
Subject: handle the unlikely case of qglXSwapIntervalSGI becoming invalid after GL restart... 
X-Git-Tag: xonotic-v0.8.0~96^2~236
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=d8dc612f3020e9d9f5f5209e1e6584d9a9a448d8;p=xonotic%2Fdarkplaces.git

handle the unlikely case of qglXSwapIntervalSGI becoming invalid after GL restart (found by clang-analyzer)

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@11802 d7cf8633-e32d-0410-b094-e92efae38249
---

diff --git a/vid_glx.c b/vid_glx.c
index 9ac4e02f..5b77483f 100644
--- a/vid_glx.c
+++ b/vid_glx.c
@@ -936,7 +936,7 @@ void VID_Finish (void)
 			if (vid_usingvsync != vid_usevsync)
 			{
 				vid_usingvsync = vid_usevsync;
-				if (qglXSwapIntervalSGI (vid_usevsync))
+				if (qglXSwapIntervalSGI && qglXSwapIntervalSGI (vid_usevsync))
 					Con_Print("glXSwapIntervalSGI didn't accept the vid_vsync change, it will take effect on next vid_restart (GLX_SGI_swap_control does not allow turning off vsync)\n");
 			}