From: havoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Thu, 14 Feb 2008 23:03:11 +0000 (+0000)
Subject: always call Sleep(0) at the end of each frame on Windows, I hope this
X-Git-Tag: xonotic-v0.1.0preview~2419
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=200dd623c0374ace6179d534fa9dfeea6e9eb6de;p=xonotic%2Fdarkplaces.git

always call Sleep(0) at the end of each frame on Windows, I hope this
fixes problems with Logitech input drivers freezing the game for 50+
milliseconds every 3 seconds or so, and has no harm to framerate in
testing


git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@8097 d7cf8633-e32d-0410-b094-e92efae38249
---

diff --git a/vid_wgl.c b/vid_wgl.c
index 88cc6814..603adbfc 100644
--- a/vid_wgl.c
+++ b/vid_wgl.c
@@ -267,6 +267,11 @@ void VID_Finish (qboolean allowmousegrab)
 		SwapBuffers(baseDC);
 	}
 
+	// make sure a context switch can happen every frame - Logitech drivers
+	// input drivers sometimes eat cpu time every 3 seconds or lag badly
+	// without this help
+	Sleep(0);
+
 	VID_UpdateGamma(false, 256);
 }