From 031926b7d00a9483c666423faadd8b6fc33306a4 Mon Sep 17 00:00:00 2001
From: thilo <thilo@edf5b092-35ff-0310-97b2-ce42778d08ea>
Date: Thu, 27 Mar 2008 03:18:32 +0000
Subject: A more clean solution to this bug. Stop the renderer when the UI VM
 is not running, as no commands get issued in that case anyways.

git-svn-id: svn://svn.icculus.org/quake3/trunk@1285 edf5b092-35ff-0310-97b2-ce42778d08ea
---
 code/client/cl_main.c |  4 ----
 code/client/cl_scrn.c | 29 +++++++++++++++++------------
 2 files changed, 17 insertions(+), 16 deletions(-)

(limited to 'code/client')

diff --git a/code/client/cl_main.c b/code/client/cl_main.c
index ea9e0c9..211907e 100644
--- a/code/client/cl_main.c
+++ b/code/client/cl_main.c
@@ -778,10 +778,6 @@ void CL_MapLoading( void ) {
 		Q_strncpyz( cls.servername, "localhost", sizeof(cls.servername) );
 		cls.state = CA_CHALLENGING;		// so the connect screen is drawn
 		Key_SetCatcher( 0 );
-		/* Execute next line twice, so that the connect image gets written into both, front- and
-		 * back buffer. This is necessary to prevent a flashing screen on map startup, as the UI gets
-		 * killed for a short time and cannot update the screen. */
-		SCR_UpdateScreen();
 		SCR_UpdateScreen();
 		clc.connectTime = -RETRANSMIT_TIMEOUT;
 		NET_StringToAdr( cls.servername, &clc.serverAddress);
diff --git a/code/client/cl_scrn.c b/code/client/cl_scrn.c
index a24984b..b7ab529 100644
--- a/code/client/cl_scrn.c
+++ b/code/client/cl_scrn.c
@@ -523,20 +523,25 @@ void SCR_UpdateScreen( void ) {
 	}
 	recursive = 1;
 
-	// if running in stereo, we need to draw the frame twice
-	if ( cls.glconfig.stereoEnabled ) {
-		SCR_DrawScreenField( STEREO_LEFT );
-		SCR_DrawScreenField( STEREO_RIGHT );
-	} else {
-		SCR_DrawScreenField( STEREO_CENTER );
-	}
+	/* If there is no VM, there are also no rendering commands issued. Stop the renderer in
+	 * that case. */
+	if(uivm)
+	{
+		// if running in stereo, we need to draw the frame twice
+		if ( cls.glconfig.stereoEnabled ) {
+			SCR_DrawScreenField( STEREO_LEFT );
+			SCR_DrawScreenField( STEREO_RIGHT );
+		} else {
+			SCR_DrawScreenField( STEREO_CENTER );
+		}
 
-	if ( com_speeds->integer ) {
-		re.EndFrame( &time_frontend, &time_backend );
-	} else {
-		re.EndFrame( NULL, NULL );
+		if ( com_speeds->integer ) {
+			re.EndFrame( &time_frontend, &time_backend );
+		} else {
+			re.EndFrame( NULL, NULL );
+		}
 	}
-
+	
 	recursive = 0;
 }
 
-- 
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