Convert LLUI and LLRender2D to LLSimpleton to reduce overhead during ui draw (#2202)

indra/llrender/llrender2dutils.cpp

@@ -726,7 +726,7 @@ void gl_line_3d( const LLVector3& start, const LLVector3& end, const LLColor4& c
     }
     gGL.end();
 
-    LLRender2D::getInstance()->setLineWidth(1.f);
+    LLRender2D::setLineWidth(1.f);
 }
 
 void gl_arc_2d(F32 center_x, F32 center_y, F32 radius, S32 steps, bool filled, F32 start_angle, F32 end_angle)

indra/llrender/llrender2dutils.h

@@ -122,12 +122,13 @@ inline void gl_rect_2d_offset_local( const LLRect& rect, S32 pixel_offset, bool
 
 class LLImageProviderInterface;
 
-class LLRender2D : public LLParamSingleton<LLRender2D>
+class LLRender2D : public LLSimpleton<LLRender2D>
 {
-    LLSINGLETON(LLRender2D, LLImageProviderInterface* image_provider);
     LOG_CLASS(LLRender2D);
-    ~LLRender2D();
 public:
+    LLRender2D(LLImageProviderInterface* image_provider);
+    ~LLRender2D();
+
     static void pushMatrix();
     static void popMatrix();
     static void loadIdentity();

indra/llrender/lluiimage.cpp

@@ -81,10 +81,10 @@ void LLUIImage::draw3D(const LLVector3& origin_agent, const LLVector3& x_axis, c
          }
     }
 
-    LLRender2D::getInstance()->pushMatrix();
+    LLRender2D::pushMatrix();
     {
         LLVector3 rect_origin = origin_agent + ((F32)rect.mLeft * x_axis) + ((F32)rect.mBottom * y_axis);
-        LLRender2D::getInstance()->translate(rect_origin.mV[VX],
+        LLRender2D::translate(rect_origin.mV[VX],
                                             rect_origin.mV[VY],
                                             rect_origin.mV[VZ]);
         gGL.getTexUnit(0)->bind(getImage());
@@ -103,7 +103,7 @@ void LLUIImage::draw3D(const LLVector3& origin_agent, const LLVector3& x_axis, c
                                 (F32)rect.getWidth() * x_axis,
                                 (F32)rect.getHeight() * y_axis);
 
-    } LLRender2D::getInstance()->popMatrix();
+    } LLRender2D::popMatrix();
 }
 
 //#include "lluiimage.inl"

indra/llui/llfocusmgr.cpp

@@ -183,7 +183,7 @@ void LLFocusMgr::releaseFocusIfNeeded( LLView* view )
         }
     }
 
-    LLUI::getInstance()->removePopup(view);
+    if(LLUI::instanceExists()) LLUI::getInstance()->removePopup(view);
 }
 
 void LLFocusMgr::setKeyboardFocus(LLFocusableElement* new_focus, bool lock, bool keystrokes_only)
@@ -481,7 +481,7 @@ void LLFocusMgr::setAppHasFocus(bool focus)
     // release focus from "top ctrl"s, which generally hides them
     if (!focus)
     {
-        LLUI::getInstance()->clearPopups();
+        if(LLUI::instanceExists()) LLUI::getInstance()->clearPopups();
     }
     mAppHasFocus = focus;
 }

indra/llui/llui.cpp

@@ -156,7 +156,7 @@ mWindow(NULL), // set later in startup
 mRootView(NULL),
 mHelpImpl(NULL)
 {
-    LLRender2D::initParamSingleton(image_provider);
+    LLRender2D::createInstance(image_provider);
 
     if ((get_ptr_in_map(mSettingGroups, std::string("config")) == NULL) ||
         (get_ptr_in_map(mSettingGroups, std::string("floater")) == NULL) ||
@@ -196,6 +196,11 @@ mHelpImpl(NULL)
     LLCommandManager::load();
 }
 
+LLUI::~LLUI()
+{
+    LLRender2D::deleteSingleton();
+}
+
 void LLUI::setPopupFuncs(const add_popup_t& add_popup, const remove_popup_t& remove_popup,  const clear_popups_t& clear_popups)
 {
     mAddPopupFunc = add_popup;

indra/llui/llui.h

@@ -112,18 +112,18 @@ class LLImageProviderInterface;
 
 typedef void (*LLUIAudioCallback)(const LLUUID& uuid);
 
-class LLUI : public LLParamSingleton<LLUI>
+class LLUI : public LLSimpleton<LLUI>
 {
+    LOG_CLASS(LLUI);
 public:
     typedef std::map<std::string, LLControlGroup*, std::less<> > settings_map_t;
 
-private:
-    LLSINGLETON(LLUI , const settings_map_t &settings,
+    LLUI(const settings_map_t &settings,
                            LLImageProviderInterface* image_provider,
                            LLUIAudioCallback audio_callback,
                            LLUIAudioCallback deferred_audio_callback);
-    LOG_CLASS(LLUI);
-public:
+    ~LLUI();
+
     //
     // Classes
     //

indra/newview/llappviewer.cpp

@@ -802,7 +802,7 @@ bool LLAppViewer::init()
     settings_map["floater"] = &gSavedSettings; // *TODO: New settings file
     settings_map["account"] = &gSavedPerAccountSettings;
 
-    LLUI::initParamSingleton(settings_map,
+    LLUI::createInstance(settings_map,
         LLUIImageList::getInstance(),
         ui_audio_callback,
         deferred_ui_audio_callback);
@@ -2155,6 +2155,7 @@ bool LLAppViewer::cleanup()
     LLViewerEventRecorder::deleteSingleton();
     LLWorld::deleteSingleton();
     LLVoiceClient::deleteSingleton();
+    LLUI::deleteSingleton();
 
     // It's not at first obvious where, in this long sequence, a generic cleanup
     // call OUGHT to go. So let's say this: as we migrate cleanup from