graphics_memory_limit_changed

panda/src/gobj/preparedGraphicsObjects.I

@@ -25,26 +25,6 @@ get_name() const {
   return _name;
 }
 
-////////////////////////////////////////////////////////////////////
-//     Function: PreparedGraphicsObjects::set_graphics_memory_limit
-//       Access: Public
-//  Description: Sets an artificial cap on graphics memory that
-//               will be imposed on this GSG.
-//
-//               This limits the total amount of graphics memory,
-//               including texture memory and vertex buffer memory,
-//               that will be consumed by the GSG, regardless of
-//               whether the hardware claims to provide more graphics
-//               memory than this. It is useful to put a ceiling on
-//               graphics memory consumed, since some drivers seem to
-//               allow the application to consume more memory than the
-//               hardware can realistically support.
-////////////////////////////////////////////////////////////////////
-INLINE void PreparedGraphicsObjects::
-set_graphics_memory_limit(size_t limit) {
-  _graphics_memory_lru.set_max_size(limit);
-}
-
 ////////////////////////////////////////////////////////////////////
 //     Function: PreparedGraphicsObjects::get_graphics_memory_limit
 //       Access: Public

panda/src/gobj/preparedGraphicsObjects.cxx

@@ -25,6 +25,7 @@
 #include "geomContext.h"
 #include "shaderContext.h"
 #include "config_gobj.h"
+#include "throw_event.h"
 
 int PreparedGraphicsObjects::_name_index = 0;
 
@@ -101,6 +102,32 @@ PreparedGraphicsObjects::
   _released_index_buffers.clear();
 }
 
+////////////////////////////////////////////////////////////////////
+//     Function: PreparedGraphicsObjects::set_graphics_memory_limit
+//       Access: Public
+//  Description: Sets an artificial cap on graphics memory that
+//               will be imposed on this GSG.
+//
+//               This limits the total amount of graphics memory,
+//               including texture memory and vertex buffer memory,
+//               that will be consumed by the GSG, regardless of
+//               whether the hardware claims to provide more graphics
+//               memory than this. It is useful to put a ceiling on
+//               graphics memory consumed, since some drivers seem to
+//               allow the application to consume more memory than the
+//               hardware can realistically support.
+////////////////////////////////////////////////////////////////////
+void PreparedGraphicsObjects::
+set_graphics_memory_limit(size_t limit) {
+  if (limit != _graphics_memory_lru.get_max_size()) {
+    _graphics_memory_lru.set_max_size(limit);
+  
+    // We throw an event here so global objects (particularly the
+    // TexMemWatcher) can automatically respond to this change.
+    throw_event("graphics_memory_limit_changed");
+  }
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: PreparedGraphicsObjects::show_graphics_memory_lru
 //       Access: Public

panda/src/gobj/preparedGraphicsObjects.h

@@ -63,7 +63,7 @@ public:
 PUBLISHED:
   INLINE const string &get_name() const;
 
-  INLINE void set_graphics_memory_limit(size_t limit);
+  void set_graphics_memory_limit(size_t limit);
   INLINE size_t get_graphics_memory_limit() const;
   void show_graphics_memory_lru(ostream &out) const;
   void show_residency_trackers(ostream &out) const;