Fix SV-2179: Wireframe - Rendering. Works only when Adv.light.model is disabled.

(Don't toggle ALM while in wireframe, bad things will happen...
or do, who am I to tell you how to live your life?
It'll look pretty cool actually, to fix that noise just toggle Wireframe once or twice.)

indra/newview/llviewermenu.cpp

@@ -1689,6 +1689,8 @@ class LLAdvancedToggleWireframe : public view_listener_t
 // [/RLVa:KB]
 //		gUseWireframe = !(gUseWireframe);
 //		gWindowResized = TRUE; // Singu Note: We don't use this (yet?)
+
+		LLPipeline::updateRenderDeferred();
 		gPipeline.resetVertexBuffers();
 //		return true;
 	}

indra/newview/pipeline.cpp

@@ -934,6 +934,23 @@ bool LLPipeline::isRenderDeferredDesired()
 		gSavedSettings.getBOOL("WindLightUseAtmosShaders");
 }
 
+//static
+void LLPipeline::updateRenderDeferred()
+{
+	bool deferred = (bool(LLRenderTarget::sUseFBO &&
+					 LLFeatureManager::getInstance()->isFeatureAvailable("RenderDeferred") &&	 
+					 LLPipeline::sRenderBump &&
+					 isRenderDeferredDesired())) &&
+					!gUseWireframe;
+
+	sRenderDeferred = deferred;	
+	if (deferred)
+	{ //must render glow when rendering deferred since post effect pass is needed to present any lighting at all
+		sRenderGlow = true;
+	}
+}
+
+
 //static
 void LLPipeline::refreshCachedSettings()
 {

indra/newview/pipeline.h

@@ -408,6 +408,7 @@ public:
 
 	static bool isRenderDeferredCapable();
 	static bool isRenderDeferredDesired();
+	static void updateRenderDeferred();
 	static void refreshCachedSettings();
 
 	static void throttleNewMemoryAllocation(BOOL disable);