From 4e058840afe5a5df1216cd84989fb275416c86e0 Mon Sep 17 00:00:00 2001
From: Tonya Souther <tonya.souther@gmail.com>
Date: Tue, 30 Jul 2013 23:07:49 -0500
Subject: [PATCH] Fix crash on logout running out of memory when generating the
 shutdown snapshot.

---
 indra/newview/llviewerdisplay.cpp | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/indra/newview/llviewerdisplay.cpp b/indra/newview/llviewerdisplay.cpp
index 3c28b8ef80..cc80fa4c58 100755
--- a/indra/newview/llviewerdisplay.cpp
+++ b/indra/newview/llviewerdisplay.cpp
@@ -281,9 +281,13 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 		return;
 	}
 
+	//<FS:TS> Don't fiddle with for_snapshot: causes crashes at shutdown
+	//        if rendering the UI runs out of memory
+	gSnapshot = for_snapshot;
 	if (LLPipeline::sRenderDeferred)
 	{ //hack to make sky show up in deferred snapshots
-		for_snapshot = FALSE;
+		//for_snapshot = FALSE;
+		gSnapshot = FALSE;
 	}
 
 	if (LLPipeline::sRenderFrameTest)
@@ -291,7 +295,8 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 		send_agent_pause();
 	}
 
-	gSnapshot = for_snapshot;
+	//<FS:TS> See fix above
+	//gSnapshot = for_snapshot;
 
 	LLGLSDefault gls_default;
 	LLGLDepthTest gls_depth(GL_TRUE, GL_TRUE, GL_LEQUAL);
@@ -796,7 +801,9 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 			LLGLState::checkTextureChannels();
 			LLGLState::checkClientArrays();
 
-			if (!for_snapshot)
+			//<FS:TS> Shutdown crash fix
+			//if (!for_snapshot)
+			if (!gSnapshot)
 			{
 				if (gFrameCount > 1)
 				{ //for some reason, ATI 4800 series will error out if you 
@@ -1116,6 +1123,8 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 		LLPipeline::sUnderWaterRender = FALSE;
 
 		LLAppViewer::instance()->pingMainloopTimeout("Display:RenderUI");
+		//<FS:TS> Shutdown crash fix: don't render the UI if not
+		//        actually called for
 		if (!for_snapshot)
 		{
 			LLFastTimer t(FTM_RENDER_UI);