diff --git a/panda/src/display/graphicsStateGuardian.cxx b/panda/src/display/graphicsStateGuardian.cxx
index 171348c51b..c45042f12c 100644
--- a/panda/src/display/graphicsStateGuardian.cxx
+++ b/panda/src/display/graphicsStateGuardian.cxx
@@ -24,6 +24,7 @@ PStatCollector GraphicsStateGuardian::_vertices_tristrip_pcollector("Vertices:Tr
 PStatCollector GraphicsStateGuardian::_vertices_trifan_pcollector("Vertices:Triangle fans");
 PStatCollector GraphicsStateGuardian::_vertices_tri_pcollector("Vertices:Triangles");
 PStatCollector GraphicsStateGuardian::_vertices_other_pcollector("Vertices:Other");
+PStatCollector GraphicsStateGuardian::_state_changes_pcollector("State changes");
 #endif
 
 TypeHandle GraphicsStateGuardian::_type_handle;
@@ -155,7 +156,7 @@ set_state(const NodeAttributes &new_state, bool complete) {
 	  gsg_cat.debug()
 	    << "Issuing new attrib " << *(*new_i).second << "\n";
 	}
-	
+        _state_changes_pcollector.add_level(1);	
 	(*new_i).second->issue(this);
 	
 	// And store the new value.
@@ -178,6 +179,7 @@ set_state(const NodeAttributes &new_state, bool complete) {
 	    << "Unissuing attrib " << *(*current_i).second 
 	    << " (previously set, not now)\n";
 	}
+        _state_changes_pcollector.add_level(1);	
 
 	PT(NodeAttribute) initial = (*current_i).second->make_initial();
 	initial->issue(this);
@@ -206,6 +208,7 @@ set_state(const NodeAttributes &new_state, bool complete) {
 	      << "Unissuing attrib " << *(*current_i).second 
 	      << " (previously set, now NULL)\n";
 	  }
+          _state_changes_pcollector.add_level(1);	
 
 	  // Issue the initial attribute before clearing the state.
 	  PT(NodeAttribute) initial = (*current_i).second->make_initial();
@@ -230,6 +233,7 @@ set_state(const NodeAttributes &new_state, bool complete) {
 	    gsg_cat.debug()
 	      << "Reissuing attrib " << *(*new_i).second << "\n";
 	  }
+          _state_changes_pcollector.add_level(1);	
 	  (*new_i).second->issue(this);
 
 	  // And store the new value.
@@ -255,6 +259,7 @@ set_state(const NodeAttributes &new_state, bool complete) {
 	gsg_cat.debug()
 	  << "Issuing new attrib " << *(*new_i).second << "\n";
       }
+      _state_changes_pcollector.add_level(1);	
       
       (*new_i).second->issue(this);
       
@@ -274,6 +279,7 @@ set_state(const NodeAttributes &new_state, bool complete) {
 	  << "Unissuing attrib " << *(*current_i).second 
 	  << " (previously set, end of list)\n";
       }
+      _state_changes_pcollector.add_level(1);	
       
       // If we're in the "complete state" model, that means this
       // attribute should now get the default initial value.
@@ -437,7 +443,7 @@ mark_prepared_texture(TextureContext *tc) {
   bool prepared = _prepared_textures.insert(tc).second;
 #ifdef DO_PSTATS
   if (prepared) {
-    _total_texusage_pcollector.add_level(tc->estimate_texture_memory() / 1048576.0);
+    _total_texusage_pcollector.add_level(tc->estimate_texture_memory());
   }
 #endif
   return prepared;
@@ -457,13 +463,34 @@ unmark_prepared_texture(TextureContext *tc) {
   bool removed = (_prepared_textures.erase(tc) != 0);
 #ifdef DO_PSTATS
   if (removed) {
-    _total_texusage_pcollector.add_level(-(tc->estimate_texture_memory() / 1048576.0));
+    _total_texusage_pcollector.sub_level(tc->estimate_texture_memory());
   }
 #endif
   return removed;
 }
 
 #ifdef DO_PSTATS
+
+////////////////////////////////////////////////////////////////////
+//     Function: GraphicsStateGuardian::init_frame_pstats
+//       Access: Protected
+//  Description: Initializes the relevant PStats data at the beginning
+//               of the frame.
+////////////////////////////////////////////////////////////////////
+void GraphicsStateGuardian::
+init_frame_pstats() {
+  _current_textures.clear();
+  _active_texusage_pcollector.clear_level();
+
+  // Also clear out our other counters while we're here.
+  _vertices_tristrip_pcollector.clear_level();
+  _vertices_trifan_pcollector.clear_level();
+  _vertices_tri_pcollector.clear_level();
+  _vertices_other_pcollector.clear_level();
+
+  _state_changes_pcollector.clear_level();
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: GraphicsStateGuardian::add_to_texture_record
 //       Access: Protected
@@ -476,23 +503,9 @@ unmark_prepared_texture(TextureContext *tc) {
 void GraphicsStateGuardian::
 add_to_texture_record(TextureContext *tc) {
   if (_current_textures.insert(tc).second) {
-    _active_texusage_pcollector.add_level(tc->estimate_texture_memory() / 1048576.0);
+    _active_texusage_pcollector.add_level(tc->estimate_texture_memory());
   }
 }
-
-////////////////////////////////////////////////////////////////////
-//     Function: GraphicsStateGuardian::clear_texture_record
-//       Access: Protected
-//  Description: Empties the texture record at the beginning of the
-//               frame, in preparation for calling
-//               add_to_texture_record() each time a texture is
-//               applied.
-////////////////////////////////////////////////////////////////////
-void GraphicsStateGuardian::
-clear_texture_record() {
-  _current_textures.clear();
-  _active_texusage_pcollector.set_level(0);
-}
 #endif  // DO_PSTATS
 
 
diff --git a/panda/src/display/graphicsStateGuardian.h b/panda/src/display/graphicsStateGuardian.h
index 1bf115e9c0..43f77f78db 100644
--- a/panda/src/display/graphicsStateGuardian.h
+++ b/panda/src/display/graphicsStateGuardian.h
@@ -135,14 +135,14 @@ protected:
   bool unmark_prepared_texture(TextureContext *tc);
 
 #ifdef DO_PSTATS
-  // These functions are used to update the current texture memory
-  // usage record in Pstats.
+  // These functions are used to update the active texture memory
+  // usage record (and other frame-based measurements) in Pstats.
+  void init_frame_pstats();
   void add_to_texture_record(TextureContext *tc);
-  void clear_texture_record();
   set<TextureContext *> _current_textures;
 #else
+  INLINE void init_frame_pstats() { }
   INLINE void add_to_texture_record(TextureContext *) { }
-  INLINE void clear_texture_record() { }
 #endif
 
 protected:
@@ -180,6 +180,7 @@ protected:
   static PStatCollector _vertices_trifan_pcollector;
   static PStatCollector _vertices_tri_pcollector;
   static PStatCollector _vertices_other_pcollector;
+  static PStatCollector _state_changes_pcollector;
 
 private:
   typedef set<TextureContext *> Textures;
diff --git a/panda/src/glgsg/glGraphicsStateGuardian.cxx b/panda/src/glgsg/glGraphicsStateGuardian.cxx
index 27b9c34173..49c59e5502 100644
--- a/panda/src/glgsg/glGraphicsStateGuardian.cxx
+++ b/panda/src/glgsg/glGraphicsStateGuardian.cxx
@@ -476,7 +476,7 @@ render_frame(const AllAttributesWrapper &initial_state) {
 #ifdef DO_PSTATS
   // For Pstats to track our current texture memory usage, we have to
   // reset the set of current textures each frame.
-  clear_texture_record();
+  init_frame_pstats();
 
   // But since we don't get sent a new issue_texture() unless our
   // texture state has changed, we have to be sure to clear the
@@ -485,12 +485,6 @@ render_frame(const AllAttributesWrapper &initial_state) {
   NodeAttributes state;
   state.set_attribute(TextureTransition::get_class_type(), new TextureAttribute);
   set_state(state, false);
-
-  // Also clear out our vertex counters while we're here.
-  _vertices_tristrip_pcollector.set_level(0);
-  _vertices_trifan_pcollector.set_level(0);
-  _vertices_tri_pcollector.set_level(0);
-  _vertices_other_pcollector.set_level(0);
 #endif
 
   if (_clear_buffer_type != 0) {
diff --git a/panda/src/pstatclient/pStatClient.cxx b/panda/src/pstatclient/pStatClient.cxx
index b5b3aae6dc..f3fe88a6c0 100644
--- a/panda/src/pstatclient/pStatClient.cxx
+++ b/panda/src/pstatclient/pStatClient.cxx
@@ -540,6 +540,7 @@ clear_level(int collector_index, int thread_index) {
 ////////////////////////////////////////////////////////////////////
 void PStatClient::
 set_level(int collector_index, int thread_index, float level) {
+  level *= _collectors[collector_index]._def->_factor;
   _collectors[collector_index]._per_thread[thread_index]._has_level = true;
   _collectors[collector_index]._per_thread[thread_index]._level = level;
 }
@@ -557,6 +558,7 @@ set_level(int collector_index, int thread_index, float level) {
 ////////////////////////////////////////////////////////////////////
 void PStatClient::
 add_level(int collector_index, int thread_index, float increment) {
+  increment *= _collectors[collector_index]._def->_factor;
   _collectors[collector_index]._per_thread[thread_index]._has_level = true;
   _collectors[collector_index]._per_thread[thread_index]._level += increment;
 }
diff --git a/panda/src/pstatclient/pStatCollector.I b/panda/src/pstatclient/pStatCollector.I
index 1cdaca9e3b..ef2a923e5e 100644
--- a/panda/src/pstatclient/pStatCollector.I
+++ b/panda/src/pstatclient/pStatCollector.I
@@ -260,4 +260,32 @@ add_level(const PStatThread &thread, float increment) {
   _client->add_level(_index, thread._index, increment);
 }
 
+////////////////////////////////////////////////////////////////////
+//     Function: PStatCollector::sub_level
+//       Access: Public
+//  Description: Subtracts the indicated decrement (which may be
+//               negative) to the level setting associated with this
+//               collector for the main thread.  If the collector did
+//               not already have a level setting for the main thread,
+//               it is initialized to 0.
+////////////////////////////////////////////////////////////////////
+INLINE void PStatCollector::
+sub_level(float decrement) {
+  _client->add_level(_index, 0, -decrement);
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: PStatCollector::sub_level
+//       Access: Public
+//  Description: Subtracts the indicated decrement (which may be
+//               negative) to the level setting associated with this
+//               collector for the indicated thread.  If the collector
+//               did not already have a level setting for this thread,
+//               it is initialized to 0.
+////////////////////////////////////////////////////////////////////
+INLINE void PStatCollector::
+sub_level(const PStatThread &thread, float decrement) {
+  _client->add_level(_index, thread._index, -decrement);
+}
+
 #endif  // DO_PSTATS
diff --git a/panda/src/pstatclient/pStatCollector.h b/panda/src/pstatclient/pStatCollector.h
index b74742343b..cd161ffb92 100644
--- a/panda/src/pstatclient/pStatCollector.h
+++ b/panda/src/pstatclient/pStatCollector.h
@@ -67,6 +67,8 @@ public:
   INLINE void set_level(const PStatThread &thread, float level);
   INLINE void add_level(float increment);
   INLINE void add_level(const PStatThread &thread, float increment);
+  INLINE void sub_level(float decrement);
+  INLINE void sub_level(const PStatThread &thread, float decrement);
 
 private:
   PStatClient *_client;
diff --git a/panda/src/pstatclient/pStatCollectorDef.cxx b/panda/src/pstatclient/pStatCollectorDef.cxx
index f6ae6aeeb1..2bdb992ba7 100644
--- a/panda/src/pstatclient/pStatCollectorDef.cxx
+++ b/panda/src/pstatclient/pStatCollectorDef.cxx
@@ -21,6 +21,7 @@ PStatCollectorDef() {
   _suggested_color.set(0.0, 0.0, 0.0);
   _sort = -1;
   _suggested_scale = 0.0;
+  _factor = 1.0;
 }
 
 ////////////////////////////////////////////////////////////////////
@@ -37,6 +38,7 @@ PStatCollectorDef(int index, const string &name) :
   _suggested_color.set(0.0, 0.0, 0.0);
   _sort = -1;
   _suggested_scale = 0.0;
+  _factor = 1.0;
 }
 
 ////////////////////////////////////////////////////////////////////
@@ -52,6 +54,7 @@ set_parent(const PStatCollectorDef &parent) {
   _parent_index = parent._index;
   _level_units = parent._level_units;
   _suggested_scale = parent._suggested_scale;
+  _factor = parent._factor;
 }
 
 ////////////////////////////////////////////////////////////////////
@@ -69,6 +72,7 @@ write_datagram(Datagram &destination) const {
   destination.add_int16(_sort);
   destination.add_string(_level_units);
   destination.add_float32(_suggested_scale);
+  destination.add_float32(_factor);
 }
 
 ////////////////////////////////////////////////////////////////////
@@ -85,4 +89,5 @@ read_datagram(DatagramIterator &source) {
   _sort = source.get_int16();
   _level_units = source.get_string();
   _suggested_scale = source.get_float32();
+  _factor = source.get_float32();
 }
diff --git a/panda/src/pstatclient/pStatCollectorDef.h b/panda/src/pstatclient/pStatCollectorDef.h
index 20d9b33d17..94542d9467 100644
--- a/panda/src/pstatclient/pStatCollectorDef.h
+++ b/panda/src/pstatclient/pStatCollectorDef.h
@@ -35,6 +35,7 @@ public:
   int _sort;
   string _level_units;
   float _suggested_scale;
+  float _factor;
 };
 
 #endif
diff --git a/panda/src/pstatclient/pStatProperties.cxx b/panda/src/pstatclient/pStatProperties.cxx
index f43101f572..2cf9b32600 100644
--- a/panda/src/pstatclient/pStatProperties.cxx
+++ b/panda/src/pstatclient/pStatProperties.cxx
@@ -46,6 +46,7 @@ struct LevelCollectorProperties {
   ColorDef color;
   const char *units;
   float suggested_scale;
+  float inv_factor;
 };
 
 static TimeCollectorProperties time_properties[] = {
@@ -64,15 +65,17 @@ static TimeCollectorProperties time_properties[] = {
 };
 
 static LevelCollectorProperties level_properties[] = {
-  { "Texture usage",                    { 1.0, 0.0, 0.0 },  "MB", 12.0 },
+  { "Texture usage",                    { 1.0, 0.0, 0.0 },  "MB", 12, 1048576 },
   { "Texture usage:Active",             { 1.0, 1.0, 0.0 } },
-  { "Texture memory",                   { 0.0, 0.0, 1.0 },  "MB", 12.0 },
+  { "Texture memory",                   { 0.0, 0.0, 1.0 },  "MB", 12, 1048576 },
   { "Texture memory:In use",            { 0.0, 1.0, 1.0 } },
-  { "Vertices",                         { 0.5, 0.2, 0.0 },  "", 10000.0 },
+  { "Vertices",                         { 0.5, 0.2, 0.0 },  "K", 10, 1000 },
   { "Vertices:Other",                   { 0.2, 0.2, 0.2 } },
   { "Vertices:Triangles",               { 0.8, 0.8, 0.8 } },
   { "Vertices:Triangle fans",           { 0.8, 0.5, 0.2 } },
   { "Vertices:Triangle strips",         { 0.2, 0.5, 0.8 } },
+  { "Nodes",                            { 0.4, 0.2, 0.5 },  "", 1000.0 },
+  { "State changes",                    { 1.0, 0.5, 0.2 },  "", 500.0 },
   { NULL }
 };
 
@@ -123,6 +126,9 @@ initialize_collector_def(PStatClient *client, PStatCollectorDef *def) {
       if (lp.units != (const char *)NULL) {
         def->_level_units = lp.units;
       }
+      if (lp.inv_factor != 0.0) {
+        def->_factor = 1.0 / lp.inv_factor;
+      }
       return;
     }
   }