3 files changed, 28 insertions, 21 deletions

diff --git a/indra/newview/llfloaterpreference.cpp b/indra/newview/llfloaterpreference.cpp
index 9562f2d9d2..a90bacf41d 100644
--- a/indra/newview/llfloaterpreference.cpp
+++ b/indra/newview/llfloaterpreference.cpp
@@ -1037,26 +1037,25 @@ void LLFloaterPreference::refreshEnabledState()
 	//Deferred/SSAO/Shadows
 	LLCheckBoxCtrl* ctrl_deferred = getChild<LLCheckBoxCtrl>("UseLightShaders");
 	
-	if (LLFeatureManager::getInstance()->isFeatureAvailable("RenderDeferred") && 
-		shaders && 
-		gGLManager.mHasFramebufferObject)
-	{
-		BOOL enabled = (ctrl_wind_light->get()) ? TRUE : FALSE;
+	BOOL enabled = LLFeatureManager::getInstance()->isFeatureAvailable("RenderDeferred") && 
+						shaders && 
+						gGLManager.mHasFramebufferObject &&
+						gSavedSettings.getBOOL("RenderAvatarVP") &&
+						(ctrl_wind_light->get()) ? TRUE : FALSE;
 
-		ctrl_deferred->setEnabled(enabled);
+	ctrl_deferred->setEnabled(enabled);
 	
-		LLCheckBoxCtrl* ctrl_ssao = getChild<LLCheckBoxCtrl>("UseSSAO");
-		LLComboBox* ctrl_shadow = getChild<LLComboBox>("ShadowDetail");
+	LLCheckBoxCtrl* ctrl_ssao = getChild<LLCheckBoxCtrl>("UseSSAO");
+	LLComboBox* ctrl_shadow = getChild<LLComboBox>("ShadowDetail");
 
-		enabled = enabled && LLFeatureManager::getInstance()->isFeatureAvailable("RenderDeferredSSAO") && (ctrl_deferred->get() ? TRUE : FALSE);
+	enabled = enabled && LLFeatureManager::getInstance()->isFeatureAvailable("RenderDeferredSSAO") && (ctrl_deferred->get() ? TRUE : FALSE);
 		
-		ctrl_ssao->setEnabled(enabled);
+	ctrl_ssao->setEnabled(enabled);
 
-		enabled = enabled && LLFeatureManager::getInstance()->isFeatureAvailable("RenderShadowDetail");
-
-		ctrl_shadow->setEnabled(enabled);
-	}
+	enabled = enabled && LLFeatureManager::getInstance()->isFeatureAvailable("RenderShadowDetail");
 
+	ctrl_shadow->setEnabled(enabled);
+	
 
 	// now turn off any features that are unavailable
 	disableUnavailableSettings();
diff --git a/indra/newview/llviewermenu.cpp b/indra/newview/llviewermenu.cpp
index eb022851e7..cfcce3e7bb 100755
--- a/indra/newview/llviewermenu.cpp
+++ b/indra/newview/llviewermenu.cpp
@@ -2082,7 +2082,8 @@ class LLAdvancedEnableRenderDeferredOptions: public view_listener_t
 {
 	bool handleEvent(const LLSD& userdata)
 	{
-		bool new_value = gSavedSettings.getBOOL("RenderDeferred");
+		bool new_value = gGLManager.mHasFramebufferObject && LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_WINDLIGHT > 0) &&
+			LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_AVATAR) > 0 && gSavedSettings.getBOOL("RenderDeferred");
 		return new_value;
 	}
 };
diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index a9462c9d50..25cf63a367 100644
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -397,7 +397,9 @@ void LLViewerShaderMgr::setShaders()
 		S32 deferred_class = 0;
 		
 		if (LLFeatureManager::getInstance()->isFeatureAvailable("RenderDeferred") &&
-		    gSavedSettings.getBOOL("RenderDeferred"))
+		    gSavedSettings.getBOOL("RenderDeferred") &&
+			gSavedSettings.getBOOL("RenderAvatarVP") &&
+			gSavedSettings.getBOOL("WindLightUseAtmosShaders"))
 		{
 			if (gSavedSettings.getS32("RenderShadowDetail") > 0)
 			{
@@ -416,10 +418,10 @@ void LLViewerShaderMgr::setShaders()
 			}
 
 			//make sure hardware skinning is enabled
-			gSavedSettings.setBOOL("RenderAvatarVP", TRUE);
+			//gSavedSettings.setBOOL("RenderAvatarVP", TRUE);
 			
 			//make sure atmospheric shaders are enabled
-			gSavedSettings.setBOOL("WindLightUseAtmosShaders", TRUE);
+			//gSavedSettings.setBOOL("WindLightUseAtmosShaders", TRUE);
 		}
 
 
@@ -505,9 +507,14 @@ void LLViewerShaderMgr::setShaders()
 			{ //hardware skinning not possible, neither is deferred rendering
 				mVertexShaderLevel[SHADER_AVATAR] = 0;
 				mVertexShaderLevel[SHADER_DEFERRED] = 0;
-				gSavedSettings.setBOOL("RenderDeferred", FALSE);
-				gSavedSettings.setBOOL("RenderAvatarCloth", FALSE);
-				gSavedSettings.setBOOL("RenderAvatarVP", FALSE);
+
+				if (gSavedSettings.getBOOL("RenderAvatarVP"))
+				{
+					gSavedSettings.setBOOL("RenderDeferred", FALSE);
+					gSavedSettings.setBOOL("RenderAvatarCloth", FALSE);
+					gSavedSettings.setBOOL("RenderAvatarVP", FALSE);
+				}
+
 				loadShadersAvatar(); // unloads
 				loadShadersObject();
 			}