diff --git a/indra/llui/llmenugl.cpp b/indra/llui/llmenugl.cpp
index 64400f898..629d35642 100644
--- a/indra/llui/llmenugl.cpp
+++ b/indra/llui/llmenugl.cpp
@@ -2244,6 +2244,11 @@ void LLMenuGL::removeChild( LLView* ctrl)
 	return LLUICtrl::removeChild(ctrl);
 }
 
+BOOL LLMenuGL::postBuild()
+{
+	return LLUICtrl::postBuild();
+}
+
 // are we the childmost active menu and hence our jump keys should be enabled?
 // or are we a free-standing torn-off menu (which uses jump keys too)
 BOOL LLMenuGL::jumpKeysActive()
diff --git a/indra/llui/llrootview.cpp b/indra/llui/llrootview.cpp
index e4f178be0..287841401 100644
--- a/indra/llui/llrootview.cpp
+++ b/indra/llui/llrootview.cpp
@@ -33,8 +33,7 @@
 
 #include "llrootview.h"
 
-LLRootView::LLRootView(const std::string& name, const LLRect& rect, BOOL mouse_opaque, U32 follows)
-: LLView(name,rect,mouse_opaque,follows) 
-{ }
-
+LLRootView::LLRootView(const Params& p)
+	:	LLView(p)
+	{}
 // pretty exciting file, eh?
diff --git a/indra/llui/llrootview.h b/indra/llui/llrootview.h
index 33ebf8dcb..c50515490 100644
--- a/indra/llui/llrootview.h
+++ b/indra/llui/llrootview.h
@@ -30,15 +30,15 @@
  * $/LicenseInfo$
  */
 
-#ifndef LLROOTVIEW_H
-#define LLROOTVIEW_H
+#ifndef LL_LLROOTVIEW_H
+#define LL_LLROOTVIEW_H
 
 #include "llview.h"
 
 class LLRootView : public LLView
 {
 public:
-	LLRootView(const std::string& name, const LLRect& rect, BOOL mouse_opaque, U32 follows=FOLLOWS_NONE);
+	LLRootView(const Params& p) ;
 };
 
 #endif
diff --git a/indra/llui/lluictrlfactory.cpp b/indra/llui/lluictrlfactory.cpp
index f86de6b2c..d1d3ffd46 100644
--- a/indra/llui/lluictrlfactory.cpp
+++ b/indra/llui/lluictrlfactory.cpp
@@ -32,6 +32,7 @@
 
 #include "linden_common.h"
 
+#define LLUICTRLFACTORY_CPP
 #include "lluictrlfactory.h"
 
 #include <fstream>
@@ -70,6 +71,10 @@
 #include "lluiimage.h"
 #include "llviewborder.h"
 
+LLFastTimer::DeclareTimer FTM_WIDGET_CONSTRUCTION("Widget Construction");
+LLFastTimer::DeclareTimer FTM_INIT_FROM_PARAMS("Widget InitFromParams");
+LLFastTimer::DeclareTimer FTM_WIDGET_SETUP("Widget Setup");
+
 const char XML_HEADER[] = "<?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"yes\" ?>\n";
 
 const S32 HPAD = 4;
@@ -110,6 +115,9 @@ public:
 static LLRegisterWidget<LLUICtrlLocate> r1("locate");
 static LLRegisterWidget<LLUICtrlLocate> r2("pad");
 
+// Build time optimization, generate this once in .cpp file
+template class LLUICtrlFactory* LLSingleton<class LLUICtrlFactory>::getInstance();
+
 //-----------------------------------------------------------------------------
 // LLUICtrlFactory()
 //-----------------------------------------------------------------------------
@@ -556,12 +564,19 @@ LLView* LLUICtrlFactory::createWidget(LLPanel *parent, LLXMLNodePtr node)
 
 	if (view)
 	{
-		parent->addChild(view, tab_group);
+		setCtrlParent(view, parent, tab_group);
 	}
 
 	return view;
 }
 
+//static
+void LLUICtrlFactory::setCtrlParent(LLView* view, LLView* parent, S32 tab_group)
+{
+	if (tab_group == S32_MAX) tab_group = parent->getLastTabGroup();
+	parent->addChild(view, tab_group);
+}
+
 //-----------------------------------------------------------------------------
 // createFactoryPanel()
 //-----------------------------------------------------------------------------
diff --git a/indra/llui/lluictrlfactory.h b/indra/llui/lluictrlfactory.h
index 345d25cad..3fac2bdb5 100644
--- a/indra/llui/lluictrlfactory.h
+++ b/indra/llui/lluictrlfactory.h
@@ -41,17 +41,54 @@
 #include "llinitparam.h"
 
 class LLView;
-class LLPanel;
+
+
+extern LLFastTimer::DeclareTimer FTM_WIDGET_SETUP;
+extern LLFastTimer::DeclareTimer FTM_WIDGET_CONSTRUCTION;
+extern LLFastTimer::DeclareTimer FTM_INIT_FROM_PARAMS;
+
+// Build time optimization, generate this once in .cpp file
+#ifndef LLUICTRLFACTORY_CPP
+extern template class LLUICtrlFactory* LLSingleton<class LLUICtrlFactory>::getInstance();
+#endif
 
 class LLUICtrlFactory : public LLSingleton<LLUICtrlFactory>
 {
-public:
+private:
+	friend class LLSingleton<LLUICtrlFactory>;
 	LLUICtrlFactory();
-	// do not call!  needs to be public so run-time can clean up the singleton
-	virtual ~LLUICtrlFactory();
+	~LLUICtrlFactory();
 
+	// only partial specialization allowed in inner classes, so use extra dummy parameter
+	template <typename PARAM_BLOCK, int DUMMY>
+	class ParamDefaults : public LLSingleton<ParamDefaults<PARAM_BLOCK, DUMMY> > 
+	{
+	public:
+		ParamDefaults()
+		{
+			// recursively fill from base class param block
+			((typename PARAM_BLOCK::base_block_t&)mPrototype).fillFrom(ParamDefaults<typename PARAM_BLOCK::base_block_t, DUMMY>::instance().get());
+		}
+
+		const PARAM_BLOCK& get() { return mPrototype; }
+
+	private:
+		PARAM_BLOCK mPrototype;
+	};
+
+	// base case for recursion, there are NO base classes of LLInitParam::BaseBlock
+	template<int DUMMY>
+	class ParamDefaults<LLInitParam::BaseBlock, DUMMY> : public LLSingleton<ParamDefaults<LLInitParam::BaseBlock, DUMMY> >
+	{
+	public:
+		const LLInitParam::BaseBlock& get() { return mBaseBlock; }
+	private:
+		LLInitParam::BaseBlock mBaseBlock;
+	};
+
+public:
 	void setupPaths();
-
+	
 	void buildFloater(LLFloater* floaterp, const std::string &filename, 
 					const LLCallbackMap::map_t* factory_map = NULL, BOOL open = TRUE);
 	void buildFloaterFromBuffer(LLFloater *floaterp, const std::string &buffer,
@@ -82,8 +119,22 @@ public:
 
 	LLPanel* createFactoryPanel(const std::string& name);
 
-	virtual LLView* createCtrlWidget(LLPanel *parent, LLXMLNodePtr node);
-	virtual LLView* createWidget(LLPanel *parent, LLXMLNodePtr node);
+	LLView* createCtrlWidget(LLPanel *parent, LLXMLNodePtr node);
+	LLView* createWidget(LLPanel *parent, LLXMLNodePtr node);
+
+	template<typename T>
+	static T* create(typename T::Params& params, LLView* parent = NULL)
+	{
+		params.fillFrom(ParamDefaults<typename T::Params, 0>::instance().get());
+
+		T* widget = createWidgetImpl<T>(params, parent);
+		if (widget)
+		{
+			widget->postBuild();
+		}
+
+		return widget;
+	}
 
 	static bool getLayeredXMLNode(const std::string &filename, LLXMLNodePtr& root);
 	static bool getLayeredXMLNodeFromBuffer(const std::string &buffer, LLXMLNodePtr& root);
@@ -93,6 +144,43 @@ public:
 private:
 	bool getLayeredXMLNodeImpl(const std::string &filename, LLXMLNodePtr& root);
 
+
+	void buildFloaterInternal(LLFloater *floaterp, LLXMLNodePtr &root, const std::string &filename,
+							  const LLCallbackMap::map_t *factory_map, BOOL open);
+	BOOL buildPanelInternal(LLPanel* panelp, LLXMLNodePtr &root, const std::string &filename,
+							const LLCallbackMap::map_t* factory_map = NULL);
+
+	template<typename T>
+	static T* createWidgetImpl(const typename T::Params& params, LLView* parent = NULL)
+	{
+		T* widget = NULL;
+
+		if (!params.validateBlock())
+		{
+			llwarns << /*getInstance()->getCurFileName() <<*/ ": Invalid parameter block for " << typeid(T).name() << llendl;
+			//return NULL;
+		}
+
+		{ LLFastTimer _(FTM_WIDGET_CONSTRUCTION);
+			widget = new T(params);	
+		}
+		{ LLFastTimer _(FTM_INIT_FROM_PARAMS);
+			widget->initFromParams(params);
+		}
+
+		if (parent)
+		{
+			S32 tab_group = params.tab_group.isProvided() ? params.tab_group() : S32_MAX;
+			setCtrlParent(widget, parent, tab_group);
+		}
+		return widget;
+	}
+
+	// this exists to get around dependency on llview
+	static void setCtrlParent(LLView* view, LLView* parent, S32 tab_group);
+
+	LLPanel* mDummyPanel;
+
 	typedef std::map<LLHandle<LLPanel>, std::string> built_panel_t;
 	built_panel_t mBuiltPanels;
 
@@ -102,13 +190,6 @@ private:
 	std::deque<const LLCallbackMap::map_t*> mFactoryStack;
 
 	static std::vector<std::string> sXUIPaths;
-
-	LLPanel* mDummyPanel;
-	
-	void buildFloaterInternal(LLFloater *floaterp, LLXMLNodePtr &root, const std::string &filename,
-							  const LLCallbackMap::map_t *factory_map, BOOL open);
-	BOOL buildPanelInternal(LLPanel* panelp, LLXMLNodePtr &root, const std::string &filename,
-							const LLCallbackMap::map_t* factory_map = NULL);
 };
 
 
diff --git a/indra/llui/llview.cpp b/indra/llui/llview.cpp
index 3674d0f04..129ecd695 100644
--- a/indra/llui/llview.cpp
+++ b/indra/llui/llview.cpp
@@ -146,7 +146,7 @@ void LLView::init(const LLView::Params& p)
 	
 	// create rect first, as this will supply initial follows flags
 	setShape(p.rect);
-	mReshapeFlags = p.follows.flags;
+	parseFollowsFlags(p);
 }
 
 LLView::LLView()
@@ -2409,6 +2409,78 @@ const S32 FLOATER_H_MARGIN = 15;
 const S32 MIN_WIDGET_HEIGHT = 10;
 const S32 VPAD = 4;
 
+void LLView::initFromParams(const LLView::Params& params)
+{
+	LLRect required_rect = getRequiredRect();
+
+	S32 width = llmax(getRect().getWidth(), required_rect.getWidth());
+	S32 height = llmax(getRect().getHeight(), required_rect.getHeight());
+
+	reshape(width, height);
+
+	// call virtual methods with most recent data
+	// use getters because these values might not come through parameter block
+	setEnabled(getEnabled());
+	setVisible(getVisible());
+
+	if (!params.name().empty())
+	{
+		setName(params.name());
+	}
+}
+
+void LLView::parseFollowsFlags(const LLView::Params& params)
+{
+	// preserve follows flags set by code if user did not override
+	/*if (!params.follows.isProvided()) 
+	{
+		return;
+	}*/
+
+	// interpret either string or bitfield version of follows
+	if (params.follows.string.isChosen())
+	{
+		setFollows(FOLLOWS_NONE);
+
+		std::string follows = params.follows.string;
+
+		typedef boost::tokenizer<boost::char_separator<char> > tokenizer;
+		boost::char_separator<char> sep("|");
+		tokenizer tokens(follows, sep);
+		tokenizer::iterator token_iter = tokens.begin();
+
+		while(token_iter != tokens.end())
+		{
+			const std::string& token_str = *token_iter;
+			if (token_str == "left")
+			{
+				setFollowsLeft();
+			}
+			else if (token_str == "right")
+			{
+				setFollowsRight();
+			}
+			else if (token_str == "top")
+			{
+				setFollowsTop();
+			}
+			else if (token_str == "bottom")
+			{
+				setFollowsBottom();
+			}
+			else if (token_str == "all")
+			{
+				setFollowsAll();
+			}
+			++token_iter;
+		}
+	}
+	else if (params.follows.flags.isChosen())
+	{
+		setFollows(params.follows.flags);
+	}
+}
+
 // static
 U32 LLView::createRect(LLXMLNodePtr node, LLRect &rect, LLView* parent_view, const LLRect &required_rect)
 {
diff --git a/indra/llui/llview.h b/indra/llui/llview.h
index 2ec5ce58c..54c298824 100644
--- a/indra/llui/llview.h
+++ b/indra/llui/llview.h
@@ -307,7 +307,9 @@ public:
 	// remove the specified child from the view, and set it's parent to NULL.
 	virtual void	removeChild(LLView* view);
 
-	child_tab_order_t getCtrlOrder() const		{ return mCtrlOrder; }
+	virtual BOOL	postBuild() { return TRUE; }
+
+	const child_tab_order_t& getCtrlOrder() const		{ return mCtrlOrder; }
 	ctrl_list_t getCtrlList() const;
 	ctrl_list_t getCtrlListSorted() const;
 	
@@ -410,6 +412,8 @@ public:
 
 	virtual void	draw();
 
+	void parseFollowsFlags(const LLView::Params& params);
+
 	virtual LLXMLNodePtr getXML(bool save_children = true) const;
 	//FIXME: make LLView non-instantiable from XML
 	static LLView* fromXML(LLXMLNodePtr node, LLView *parent, class LLUICtrlFactory *factory);
diff --git a/indra/newview/llcontainerview.cpp b/indra/newview/llcontainerview.cpp
index e6d9b0119..0ccbd26ec 100644
--- a/indra/newview/llcontainerview.cpp
+++ b/indra/newview/llcontainerview.cpp
@@ -42,12 +42,13 @@
 #include "llstring.h"
 #include "llscrollcontainer.h"
 
-LLContainerView::LLContainerView(const std::string& name, const LLRect& rect)
-:	LLView(name, rect, FALSE)
+LLContainerView::LLContainerView(const LLContainerView::Params& p)
+:	LLView(p),
+	mShowLabel(p.show_label),
+	mLabel(p.label),
+	mDisplayChildren(p.display_children)
 {
-	mShowLabel = TRUE;
 	mCollapsible = TRUE;
-	mDisplayChildren = TRUE;
 	mScrollContainer = NULL;
 }
 
@@ -56,6 +57,13 @@ LLContainerView::~LLContainerView()
 	// Children all cleaned up by default view destructor.
 }
 
+BOOL LLContainerView::postBuild()
+{
+	setDisplayChildren(mDisplayChildren);
+	reshape(getRect().getWidth(), getRect().getHeight(), FALSE);
+	return TRUE;
+}
+
 BOOL LLContainerView::handleMouseDown(S32 x, S32 y, MASK mask)
 {
 	BOOL handled = FALSE;
diff --git a/indra/newview/llcontainerview.h b/indra/newview/llcontainerview.h
index 1b337b09b..39c4c83e6 100644
--- a/indra/newview/llcontainerview.h
+++ b/indra/newview/llcontainerview.h
@@ -41,15 +41,27 @@ class LLScrollableContainerView;
 
 class LLContainerView : public LLView
 {
+public:
+	struct Params : public LLInitParam::Block<Params, LLView::Params>
+	{
+		Optional<std::string> label;
+		Optional<bool> show_label;
+		Optional<bool> display_children;
+		Params()
+			: label("label"),
+			  show_label("show_label", FALSE),
+			  display_children("display_children", TRUE)
+		{
+			changeDefault(mouse_opaque, false);
+		}
+	};
 protected:
-	BOOL mDisplayChildren;
-	std::string mLabel;
+	LLContainerView(const Params& p);
+	friend class LLUICtrlFactory;
 public:
-	BOOL mCollapsible;
-public:
-	LLContainerView(const std::string& name, const LLRect& rect);
 	~LLContainerView();
 
+	/*virtual*/ BOOL postBuild();
 	virtual BOOL handleMouseDown(S32 x, S32 y, MASK mask);
 	virtual BOOL handleMouseUp(S32 x, S32 y, MASK mask);
 
@@ -67,5 +79,12 @@ public:
 	LLScrollableContainerView* mScrollContainer;
 	void arrange(S32 width, S32 height, BOOL called_from_parent = TRUE);
 	BOOL mShowLabel;
+
+protected:
+	BOOL mDisplayChildren;
+	std::string mLabel;
+public:
+	BOOL mCollapsible;
+
 };
 #endif // LL_CONTAINERVIEW_
diff --git a/indra/newview/lldebugview.cpp b/indra/newview/lldebugview.cpp
index 92ed63027..92dc5dffa 100644
--- a/indra/newview/lldebugview.cpp
+++ b/indra/newview/lldebugview.cpp
@@ -44,6 +44,7 @@
 #include "llvelocitybar.h"
 #include "llviewerwindow.h"
 #include "llfloaterstats.h"
+#include "lluictrlfactory.h"
 
 //
 // Globals
@@ -84,29 +85,30 @@ LLDebugView::LLDebugView(const std::string& name, const LLRect &rect)
 	addChild(mFastTimerView);
 
 	r.set(150, rect.getHeight() - 50, 870, 100);
-	gTextureView = new LLTextureView("gTextureView", r);
-	gTextureView->setRect(r);
-	gTextureView->setFollowsBottom();
-	gTextureView->setFollowsLeft();
+	LLTextureView::Params tvp;
+	tvp.name("gTextureView");
+	tvp.rect(r);
+	tvp.visible(false);
+	gTextureView = LLUICtrlFactory::create<LLTextureView>(tvp);
 	addChild(gTextureView);
 	//gTextureView->reshape(r.getWidth(), r.getHeight(), TRUE);
 
 	if(gAuditTexture)
 	{
 		r.set(150, rect.getHeight() - 50, 900 + LLImageGL::sTextureLoadedCounter.size() * 30, 100);
-		gTextureSizeView = new LLTextureSizeView("gTextureSizeView");
-		gTextureSizeView->setRect(r);
-		gTextureSizeView->setFollowsBottom();
-		gTextureSizeView->setFollowsLeft();
-		gTextureSizeView->setType(LLTextureSizeView::TEXTURE_MEM_OVER_SIZE) ;
+		LLTextureSizeView::Params tsvp;
+		tsvp.name = "gTextureSizeView";
+		tsvp.rect = r;
+		tsvp.type = LLTextureSizeView::TEXTURE_MEM_OVER_SIZE;
+		gTextureSizeView = LLUICtrlFactory::create<LLTextureSizeView>(tsvp);
 		addChild(gTextureSizeView);
 
 		r.set(150, rect.getHeight() - 50, 900 + LLImageGL::sTextureMemByCategory.size() * 30, 100);
-		gTextureCategoryView = new LLTextureSizeView("gTextureCategoryView");
-		gTextureCategoryView->setRect(r);
-		gTextureCategoryView->setFollowsBottom();
-		gTextureCategoryView->setFollowsLeft();
-		gTextureCategoryView->setType(LLTextureSizeView::TEXTURE_MEM_OVER_CATEGORY);
+		LLTextureSizeView::Params tscp;
+		tscp.name = "gTextureCategoryView";
+		tscp.rect = r;
+		tscp.type = LLTextureSizeView::TEXTURE_MEM_OVER_CATEGORY;
+		gTextureSizeView = LLUICtrlFactory::create<LLTextureSizeView>(tscp);
 		addChild(gTextureCategoryView);
 	}
 
diff --git a/indra/newview/llfloaterjoystick.cpp b/indra/newview/llfloaterjoystick.cpp
index 88fbc64e8..c067b78a7 100644
--- a/indra/newview/llfloaterjoystick.cpp
+++ b/indra/newview/llfloaterjoystick.cpp
@@ -99,8 +99,13 @@ BOOL LLFloaterJoystick::postBuild()
 		rect = LLRect(350, r.mTop, r.mRight + 200, 0);
 	}
 
-	mAxisStatsView = new LLStatView("axis values", joystick, "", rect);
-	mAxisStatsView->setDisplayChildren(TRUE);
+
+	LLStatView::Params params;
+	params.name("axis values");
+	params.rect(rect);
+	params.show_label(true);
+	params.label(joystick);
+	mAxisStatsView = LLUICtrlFactory::create<LLStatView>(params);
 
 	for (U32 i = 0; i < 6; i++)
 	{
diff --git a/indra/newview/llfloaterstats.cpp b/indra/newview/llfloaterstats.cpp
index 342e4fa45..1c5cb40ea 100644
--- a/indra/newview/llfloaterstats.cpp
+++ b/indra/newview/llfloaterstats.cpp
@@ -63,7 +63,14 @@ void LLFloaterStats::buildStats()
 	//
 	// Viewer Basic
 	//
-	stat_viewp = new LLStatView("basic stat view", "Basic",	"OpenDebugStatBasic", rect);
+	LLStatView::Params params;
+	params.name("basic stat view");
+	params.show_label(true);
+	params.label("Basic");
+	params.setting("OpenDebugStatBasic");
+	params.rect(rect);
+
+	stat_viewp = LLUICtrlFactory::create<LLStatView>(params);
 	addStatView(stat_viewp);
 
 	stat_barp = stat_viewp->addStat("FPS", &(LLViewerStats::getInstance()->mFPSStat),
@@ -113,11 +120,20 @@ void LLFloaterStats::buildStats()
 		stat_barp->mDisplayMean = FALSE;
 	}
 
-	stat_viewp = new LLStatView("advanced stat view", "Advanced", "OpenDebugStatAdvanced", rect);
+	params.name("advanced stat view");
+	params.show_label(true);
+	params.label("Advanced");
+	params.setting("OpenDebugStatAdvanced");
+	params.rect(rect);
+	stat_viewp = LLUICtrlFactory::create<LLStatView>(params);
 	addStatView(stat_viewp);
 
-	
-	LLStatView *render_statviewp = stat_viewp->addStatView("render stat view", "Render", "OpenDebugStatRender", rect);
+	params.name("render stat view");
+	params.show_label(true);
+	params.label("Render");
+	params.setting("OpenDebugStatRender");
+	params.rect(rect);
+	LLStatView *render_statviewp = stat_viewp->addStatView(params);
 
 	stat_barp = render_statviewp->addStat("KTris Drawn", &(LLViewerStats::getInstance()->mTrianglesDrawnStat), "DebugStatModeKTrisDrawnFr");
 	stat_barp->setUnitLabel("/fr");
@@ -162,7 +178,12 @@ void LLFloaterStats::buildStats()
 	stat_barp->mPerSec = FALSE;	
 
 	// Texture statistics
-	LLStatView *texture_statviewp = render_statviewp->addStatView("texture stat view", "Texture", "OpenDebugStatTexture", rect);
+	params.name("texture stat view");
+	params.show_label(true);
+	params.label("Texture");
+	params.setting("OpenDebugStatTexture");
+	params.rect(rect);
+	LLStatView *texture_statviewp = render_statviewp->addStatView(params);
 
 	stat_barp = texture_statviewp->addStat("Cache Hit Rate", &(LLTextureFetch::sCacheHitRate), std::string(), false, true);
 	stat_barp->setLabel("Cache Hit Rate");
@@ -233,10 +254,14 @@ void LLFloaterStats::buildStats()
 	stat_barp->mLabelSpacing = 200.f;
 	stat_barp->mPrecision = 1;
 	stat_barp->mPerSec = FALSE;
-
 	
 	// Network statistics
-	LLStatView *net_statviewp = stat_viewp->addStatView("network stat view", "Network", "OpenDebugStatNet", rect);
+	params.name("network stat view");
+	params.show_label(true);
+	params.label("Network");
+	params.setting("OpenDebugStatNet");
+	params.rect(rect);
+	LLStatView *net_statviewp = stat_viewp->addStatView(params);
 
 	stat_barp = net_statviewp->addStat("UDP Packets In", &(LLViewerStats::getInstance()->mPacketsInStat), "DebugStatModePacketsIn");
 	stat_barp->setUnitLabel("/sec");
@@ -307,7 +332,12 @@ void LLFloaterStats::buildStats()
 
 
 	// Simulator stats
-	LLStatView *sim_statviewp = new LLStatView("sim stat view", "Simulator", "OpenDebugStatSim", rect);
+	params.name("sim stat view");
+	params.show_label(true);
+	params.label("Simulator");
+	params.setting("OpenDebugStatSim");
+	params.rect(rect);
+	LLStatView *sim_statviewp = LLUICtrlFactory::create<LLStatView>(params);
 	addStatView(sim_statviewp);
 
 	stat_barp = sim_statviewp->addStat("Time Dilation", &(LLViewerStats::getInstance()->mSimTimeDilation), "DebugStatModeTimeDialation");
@@ -336,7 +366,12 @@ void LLFloaterStats::buildStats()
 	stat_barp->mPerSec = FALSE;
 	stat_barp->mDisplayMean = FALSE;
 
-	LLStatView *phys_details_viewp = sim_statviewp->addStatView("phys detail view", "Physics Details", "OpenDebugStatPhysicsDetails", rect);
+	params.name("phys detail view");
+	params.show_label(true);
+	params.label("Physics Details");
+	params.setting("OpenDebugStatPhysicsDetails");
+	params.rect(rect);
+	LLStatView *phys_details_viewp = sim_statviewp->addStatView(params);
 
 	stat_barp = phys_details_viewp->addStat("Pinned Objects", &(LLViewerStats::getInstance()->mPhysicsPinnedTasks), "DebugStatModePinnedObjects");
 	stat_barp->mPrecision = 0;
@@ -439,7 +474,12 @@ void LLFloaterStats::buildStats()
 	stat_barp->mPerSec = FALSE;
 	stat_barp->mDisplayMean = FALSE;
 
-	LLStatView *pathfinding_viewp = sim_statviewp->addStatView("pathfinding view", "Pathfinding Details", std::string(), rect);
+	params.name("pathfinding view");
+	params.show_label(true);
+	params.label("Pathfinding Details");
+	params.rect(rect);
+	LLStatView *pathfinding_viewp = sim_statviewp->addStatView(params);
+
 	stat_barp = pathfinding_viewp->addStat("AI Step Time", &(LLViewerStats::getInstance()->mSimSimAIStepMsec));
 	stat_barp->setUnitLabel("ms");
 	stat_barp->mPrecision = 3;
@@ -516,7 +556,12 @@ void LLFloaterStats::buildStats()
 	stat_barp->mPerSec = FALSE;
 	stat_barp->mDisplayMean = FALSE;
 
-	LLStatView *sim_time_viewp = sim_statviewp->addStatView("sim perf view", "Time (ms)", "OpenDebugStatSimTime", rect);
+	params.name("sim perf view");
+	params.show_label(true);
+	params.label("Time (ms)");
+	params.setting("OpenDebugStatSimTime");
+	params.rect(rect);
+	LLStatView *sim_time_viewp = sim_statviewp->addStatView(params);
 
 	stat_barp = sim_time_viewp->addStat("Total Frame Time", &(LLViewerStats::getInstance()->mSimFrameMsec), "DebugStatModeSimFrameMsec");
 	stat_barp->setUnitLabel("ms");
@@ -600,7 +645,12 @@ void LLFloaterStats::buildStats()
 
 	
 	// 2nd level time blocks under 'Details' second
-	LLStatView *detailed_time_viewp = sim_time_viewp->addStatView("sim perf view", "Time Details (ms)", "OpenDebugStatSimTimeDetails", rect);
+	params.name("sim perf view");
+	params.show_label(true);
+	params.label("Time (ms)");
+	params.setting("OpenDebugStatSimTimeDetails");
+	params.rect(rect);
+	LLStatView *detailed_time_viewp = sim_time_viewp->addStatView(params);
 	{
 		stat_barp = detailed_time_viewp->addStat("  Physics Step", &(LLViewerStats::getInstance()->mSimSimPhysicsStepMsec), "DebugStatModeSimSimPhysicsStepMsec");
 		stat_barp->setUnitLabel("ms");
@@ -670,8 +720,11 @@ LLFloaterStats::LLFloaterStats(const LLSD& val)
 	
 	LLRect stats_rect(0, getRect().getHeight() - LLFLOATER_HEADER_SIZE,
 					  getRect().getWidth() - LLFLOATER_CLOSE_BOX_SIZE, 0);
-	mStatsContainer = new LLContainerView("statistics_view", stats_rect);
-	mStatsContainer->showLabel(FALSE);
+
+	LLContainerView::Params rvp;
+	rvp.name("statistics_view");
+	rvp.rect(stats_rect);
+	mStatsContainer = LLUICtrlFactory::create<LLContainerView>(rvp);
 
 	LLRect scroll_rect(LL_SCROLL_BORDER, getRect().getHeight() - LLFLOATER_HEADER_SIZE - LL_SCROLL_BORDER,
 					   getRect().getWidth() - LL_SCROLL_BORDER, LL_SCROLL_BORDER);
diff --git a/indra/newview/llstatbar.h b/indra/newview/llstatbar.h
index 517f557b4..381cd1eaf 100644
--- a/indra/newview/llstatbar.h
+++ b/indra/newview/llstatbar.h
@@ -64,12 +64,12 @@ public:
 	F32 mTickSpacing;
 	F32 mLabelSpacing;
 	U32 mPrecision;
+	F32 mUpdatesPerSec;
 	BOOL mPerSec;				// Use the per sec stats.
 	BOOL mDisplayBar;			// Display the bar graph.
 	BOOL mDisplayHistory;
 	BOOL mDisplayMean;			// If true, display mean, if false, display current value
 
-	F32 mUpdatesPerSec;
 	LLStat *mStatp;
 private:
 	LLFrameTimer mUpdateTimer;
diff --git a/indra/newview/llstatview.cpp b/indra/newview/llstatview.cpp
index 17c4dcca2..013dfcf4f 100644
--- a/indra/newview/llstatview.cpp
+++ b/indra/newview/llstatview.cpp
@@ -43,19 +43,19 @@
 #include "llstatbar.h"
 #include "llviewercontrol.h"
 
-LLStatView::LLStatView(const std::string& name, const std::string& label, const std::string& setting, const LLRect& rect)
-	:	LLContainerView(name, rect),
-		mNumStatBars(0),
-		mSetting(setting)
+#include "lluictrlfactory.h"
+
+LLStatView::LLStatView(const LLStatView::Params& p)
+:	LLContainerView(p),
+	mNumStatBars(0),
+	mSetting(p.setting)
 {
-	setFollows(FOLLOWS_TOP | FOLLOWS_LEFT);
-	setLabel(label);
-	BOOL open = FALSE;
+	BOOL isopen = getDisplayChildren();
 	if (mSetting.length() > 0)
 	{
-		open = gSavedSettings.getBOOL(mSetting);
+		isopen = gSavedSettings.getBOOL(mSetting);
 	}
-	setDisplayChildren(open);		/* Flawfinder: ignore */
+	setDisplayChildren(isopen);
 }
 
 LLStatView::~LLStatView()
@@ -63,8 +63,8 @@ LLStatView::~LLStatView()
 	// Children all cleaned up by default view destructor.
 	if (mSetting.length() > 0)
 	{
-		BOOL open = getDisplayChildren();
-		gSavedSettings.setBOOL(mSetting, open);		/* Flawfinder: ignore */
+		BOOL isopen = getDisplayChildren();
+		gSavedSettings.setBOOL(mSetting, isopen);		/* Flawfinder: ignore */
 	}
 }
 
@@ -74,12 +74,6 @@ LLStatBar *LLStatView::addStat(const std::string& name, LLStat *statp,
 	LLStatBar *stat_barp;
 	LLRect r;
 
-//	if (getStatBar(name))
-//	{
-//		llinfos << "LLStatView::addStat - Stat already exists!" << llendl;
-//		return NULL;
-//	}
-
 	mNumStatBars++;
 
 	stat_barp = new LLStatBar(name, r, setting, default_bar, default_history);
@@ -94,27 +88,10 @@ LLStatBar *LLStatView::addStat(const std::string& name, LLStat *statp,
 	return stat_barp;
 }
 
-LLStatView *LLStatView::addStatView(const std::string& name, const std::string& label, const std::string& setting, const LLRect& rect)
+LLStatView *LLStatView::addStatView(LLStatView::Params& p)
 {
-	LLStatView *statview = new LLStatView(name, label, setting, rect);
+	LLStatView* statview = LLUICtrlFactory::create<LLStatView>(p);
 	statview->setVisible(mDisplayChildren);
 	addChildInBack(statview);
 	return statview;
-}
-
-
-LLStatBar *LLStatView::getStatBar(const std::string& name)
-{
-	sb_vector_t::iterator iter;
-	for(iter = mStatBars.begin(); iter != mStatBars.end(); ++iter)
-	{
-		LLStatBar *stat_barp = *iter;
-		if (stat_barp->getLabel() == name)
-		{
-			return stat_barp;
-		}
-	}
-
-	// Not found!
-	return NULL;
-}
+}
\ No newline at end of file
diff --git a/indra/newview/llstatview.h b/indra/newview/llstatview.h
index 2ea1eb2cb..397c73ba5 100644
--- a/indra/newview/llstatview.h
+++ b/indra/newview/llstatview.h
@@ -42,20 +42,25 @@ class LLStatBar;
 class LLStatView : public LLContainerView
 {
 public:
-	LLStatView(const std::string& name, const std::string& label, const std::string& setting, const LLRect& rect);
+	struct Params : public LLInitParam::Block<Params, LLContainerView::Params>
+	{
+		Optional<std::string> setting;
+		Params() 
+		:	setting("setting")
+		{
+			changeDefault(follows.flags, FOLLOWS_TOP | FOLLOWS_LEFT);
+		}
+	};
 	~LLStatView();
 
-/*
-	virtual void draw();
-	virtual void reshape(S32 width, S32 height, BOOL called_from_parent = TRUE);
-	virtual LLRect getRequiredRect();	// Return the height of this object, given the set options.
-*/
+protected:
+	LLStatView(const Params&);
+	friend class LLUICtrlFactory;
+public:
 
 	LLStatBar *addStat(const std::string& name, LLStat *statp,
 					   const std::string& setting = std::string(), BOOL default_bar = FALSE, BOOL default_history = FALSE);
-	LLStatBar *getStatBar(const std::string& name);
-	LLStatView *addStatView(const std::string& name, const std::string& label, const std::string& setting, const LLRect& rect);
-
+	LLStatView *addStatView(LLStatView::Params& p);
 protected:
 	typedef std::vector<LLStatBar *> sb_vector_t;
 	sb_vector_t mStatBars;
diff --git a/indra/newview/lltextureview.cpp b/indra/newview/lltextureview.cpp
index 944870e32..3e7dba834 100644
--- a/indra/newview/lltextureview.cpp
+++ b/indra/newview/lltextureview.cpp
@@ -48,6 +48,7 @@
 #include "llviewertexturelist.h"
 #include "llvovolume.h"
 #include "llviewerstats.h"
+#include "lluictrlfactory.h"
 
 // For avatar texture view
 #include "llvoavatarself.h"
@@ -96,12 +97,20 @@ public:
 	S32 mHilite;
 
 public:
-	LLTextureBar(const std::string& name, const LLRect& r, LLTextureView* texview)
-		: LLView(name, r, FALSE),
-		  mHilite(0),
-		  mTextureView(texview)
+	struct Params : public LLInitParam::Block<Params, LLView::Params>
 	{
-	}
+		Mandatory<LLTextureView*> texture_view;
+		Params()
+		:	texture_view("texture_view")
+		{
+			changeDefault(mouse_opaque, false);
+		}
+	};
+	LLTextureBar(const Params& p)
+	:	LLView(p),
+		mHilite(0),
+		mTextureView(p.texture_view)
+	{}
 
 	virtual void draw();
 	virtual BOOL handleMouseDown(S32 x, S32 y, MASK mask);
@@ -393,14 +402,21 @@ LLRect LLTextureBar::getRequiredRect()
 class LLAvatarTexBar : public LLView
 {
 public:
-
-	LLAvatarTexBar(const std::string& name, LLTextureView* texview)
-	:	LLView(name, FALSE),
-		mTextureView(texview)
+	struct Params : public LLInitParam::Block<Params, LLView::Params>
 	{
-		S32 line_height = (S32)(LLFontGL::getFontMonospace()->getLineHeight() + .5f);
-		setRect(LLRect(0,0,100,line_height * 4));
-	}
+		Mandatory<LLTextureView*>	texture_view;
+		Params()
+		:	texture_view("texture_view")
+		{
+			S32 line_height = (S32)(LLFontGL::getFontMonospace()->getLineHeight() + .5f);
+			changeDefault(rect, LLRect(0,0,100,line_height * 4));
+		}
+	};
+
+	LLAvatarTexBar(const Params& p)
+	:	LLView(p),
+		mTextureView(p.texture_view)
+	{}
 
 	virtual void draw();	
 	virtual BOOL handleMouseDown(S32 x, S32 y, MASK mask);
@@ -485,13 +501,21 @@ LLRect LLAvatarTexBar::getRequiredRect()
 class LLGLTexMemBar : public LLView
 {
 public:
-	LLGLTexMemBar(const std::string& name, LLTextureView* texview)
-		: LLView(name, FALSE),
-		  mTextureView(texview)
+	struct Params : public LLInitParam::Block<Params, LLView::Params>
 	{
-		S32 line_height = (S32)(LLFontGL::getFontMonospace()->getLineHeight() + .5f);
-		setRect(LLRect(0,0,100,line_height * 4));
-	}
+		Mandatory<LLTextureView*>	texture_view;
+		Params()
+		:	texture_view("texture_view")
+		{
+			S32 line_height = (S32)(LLFontGL::getFontMonospace()->getLineHeight() + .5f);
+			changeDefault(rect, LLRect(0,0,100,line_height * 4));
+		}
+	};
+
+	LLGLTexMemBar(const Params& p)
+	:	LLView(p),
+		mTextureView(p.texture_view)
+	{}
 
 	virtual void draw();	
 	virtual BOOL handleMouseDown(S32 x, S32 y, MASK mask);
@@ -744,8 +768,8 @@ void LLGLTexSizeBar::draw()
 }
 ////////////////////////////////////////////////////////////////////////////
 
-LLTextureView::LLTextureView(const std::string& name, const LLRect& rect)
-	:	LLContainerView(name, rect),
+LLTextureView::LLTextureView(const LLTextureView::Params& p)
+	:	LLContainerView(p),
 		mFreezeView(FALSE),
 		mOrderFetch(FALSE),
 		mPrintList(FALSE),
@@ -971,11 +995,24 @@ void LLTextureView::draw()
 		else
 			sortChildren(LLTextureBar::sort());
 
-		mGLTexMemBar = new LLGLTexMemBar("gl texmem bar", this);
+		LLGLTexMemBar::Params tmbp;
+		LLRect tmbr;
+		tmbp.name("gl texmem bar");
+		tmbp.rect(tmbr);
+		tmbp.follows.flags = FOLLOWS_LEFT|FOLLOWS_TOP;
+		tmbp.texture_view(this);
+		mGLTexMemBar = LLUICtrlFactory::create<LLGLTexMemBar>(tmbp);
 		addChild(mGLTexMemBar);
-	
-		mAvatarTexBar = new LLAvatarTexBar("gl avatartex bar", this);
+		//sendChildToFront(mGLTexMemBar);
+
+		LLAvatarTexBar::Params atbp;
+		LLRect atbr;
+		atbp.name("gl avatartex bar");
+		atbp.texture_view(this);
+		atbp.rect(atbr);
+		mAvatarTexBar = LLUICtrlFactory::create<LLAvatarTexBar>(atbp);
 		addChild(mAvatarTexBar);
+		//sendChildToFront(mAvatarTexBar);
 		
 		reshape(getRect().getWidth(), getRect().getHeight(), TRUE);
 
@@ -1011,7 +1048,11 @@ BOOL LLTextureView::addBar(LLViewerFetchedTexture *imagep, S32 hilite)
 
 	mNumTextureBars++;
 
-	barp = new LLTextureBar("texture bar", r, this);
+	LLTextureBar::Params tbp;
+	tbp.name("texture bar");
+	tbp.rect(r);
+	tbp.texture_view(this);
+	barp = LLUICtrlFactory::create<LLTextureBar>(tbp);
 	barp->mImagep = imagep;	
 	barp->mHilite = hilite;
 
@@ -1057,10 +1098,8 @@ BOOL LLTextureView::handleKey(KEY key, MASK mask, BOOL called_from_parent)
 }
 
 //-----------------------------------------------------------------
-LLTextureSizeView::LLTextureSizeView(const std::string& name) : LLContainerView(name, LLRect())
+LLTextureSizeView::LLTextureSizeView(const Params& p) : LLContainerView(p)
 {
-	setVisible(FALSE) ;
-
 	mTextureSizeBarWidth = 30 ;
 }
 
diff --git a/indra/newview/lltextureview.h b/indra/newview/lltextureview.h
index 9555e26ca..e64d9a628 100644
--- a/indra/newview/lltextureview.h
+++ b/indra/newview/lltextureview.h
@@ -39,8 +39,10 @@ class LLTextureView : public LLContainerView
 	friend class LLTextureBar;
 	friend class LLGLTexMemBar;
 	friend class LLAvatarTexBar;
+protected:
+	LLTextureView(const Params&);
+	friend class LLUICtrlFactory;
 public:
-	LLTextureView(const std::string& name, const LLRect& rect);
 	~LLTextureView();
 
 	/*virtual*/ void draw();
@@ -76,7 +78,19 @@ class LLGLTexSizeBar;
 class LLTextureSizeView : public LLContainerView
 {
 public:
-	LLTextureSizeView(const std::string& name);
+	struct Params : public LLInitParam::Block<Params, LLContainerView::Params>
+	{
+		Mandatory<S32> type;
+		Params() :
+		type("type")
+		{
+			changeDefault(visible, false);
+			changeDefault(follows.flags, FOLLOWS_BOTTOM | FOLLOWS_LEFT);
+		}
+	};
+
+
+	LLTextureSizeView(const Params& p);
 	~LLTextureSizeView();
 
 	/*virtual*/ void draw();
diff --git a/indra/newview/llviewerwindow.cpp b/indra/newview/llviewerwindow.cpp
index 993405f5a..8feb609de 100644
--- a/indra/newview/llviewerwindow.cpp
+++ b/indra/newview/llviewerwindow.cpp
@@ -1656,7 +1656,12 @@ LLViewerWindow::LLViewerWindow(
 								LLUICtrlFactory::getXUIPaths());
 	}
 	// Create container for all sub-views
-	mRootView = new LLRootView("root", mWindowRectScaled, FALSE);
+	LLView::Params rvp;
+	rvp.name("root");
+	rvp.rect(mWindowRectScaled);
+	rvp.mouse_opaque(false);
+	rvp.follows.flags(FOLLOWS_NONE);
+	mRootView = LLUICtrlFactory::create<LLRootView>(rvp);
 
 	// Make avatar head look forward at start
 	mCurrentMousePoint.mX = getWindowWidthScaled() / 2;