name dynamic textures

panda/src/text/dynamicTextFont.cxx

@@ -505,7 +505,7 @@ slot_glyph(int x_size, int y_size) {
     // No good; all recorded glyphs are actually in use.  We need to
     // make a new page.
     _preferred_page = _pages.size();
-    PT(DynamicTextPage) page = new DynamicTextPage(this);
+    PT(DynamicTextPage) page = new DynamicTextPage(this, _preferred_page);
     _pages.push_back(page);
     return page->slot_glyph(x_size, y_size, _texture_margin);
   }

panda/src/text/dynamicTextPage.cxx

@@ -30,12 +30,17 @@ TypeHandle DynamicTextPage::_type_handle;
 //  Description: 
 ////////////////////////////////////////////////////////////////////
 DynamicTextPage::
-DynamicTextPage(DynamicTextFont *font) : 
+DynamicTextPage(DynamicTextFont *font, int page_number) : 
   _font(font)
 {
   _x_size = _font->get_page_x_size();
   _y_size = _font->get_page_y_size();
 
+  // Assign a name to the Texture.
+  ostringstream strm;
+  strm << font->get_name() << "_" << page_number;
+  set_name(strm.str());
+
   // Initialize the Texture to an empty, black (transparent) image of
   // the appropriate size.
   _pbuffer = new PixelBuffer(_x_size, _y_size, 1, 1, 

panda/src/text/dynamicTextPage.h

@@ -39,7 +39,7 @@ class DynamicTextFont;
 ////////////////////////////////////////////////////////////////////
 class EXPCL_PANDA DynamicTextPage : public Texture {
 public:
-  DynamicTextPage(DynamicTextFont *font);
+  DynamicTextPage(DynamicTextFont *font, int page_number);
 
   DynamicTextGlyph *slot_glyph(int x_size, int y_size, int margin);