diff --git a/panda/src/dxgsg9/config_dxgsg9.cxx b/panda/src/dxgsg9/config_dxgsg9.cxx
index b662ba5a8e..3acf965413 100755
--- a/panda/src/dxgsg9/config_dxgsg9.cxx
+++ b/panda/src/dxgsg9/config_dxgsg9.cxx
@@ -173,11 +173,19 @@ ConfigVariableInt dx_lru_maximum_page_updates_per_frame
 ConfigVariableBool dx_lru_debug
 ("dx-lru-debug", false);
 
-// valid only if dx_lru_debug == true && notify-level-dxgsg9 == debug
+// valid only if dx_lru_debug == true 
 // number of frames to wait until printing out the LRU status
 ConfigVariableInt dx_lru_debug_frames_til_output
 ("dx-lru-debug-frames-til-output", 500);
 
+// valid only if dx_lru_debug == true 
+ConfigVariableBool dx_lru_debug_textures
+("dx-lru-debug-textures", false);
+
+// valid only if dx_lru_debug == true 
+ConfigVariableBool dx_lru_debug_vertex_buffers
+("dx-lru-debug-vertex-buffers", false);
+
 ConfigVariableBool dx_use_dynamic_textures
 ("dx-use-dynamic-textures", true);
 
diff --git a/panda/src/dxgsg9/config_dxgsg9.h b/panda/src/dxgsg9/config_dxgsg9.h
index eb80f9b42f..abf823e53e 100755
--- a/panda/src/dxgsg9/config_dxgsg9.h
+++ b/panda/src/dxgsg9/config_dxgsg9.h
@@ -72,6 +72,8 @@ extern ConfigVariableInt dx_lru_maximum_page_updates_per_frame;
 // LRU debug variables
 extern ConfigVariableBool dx_lru_debug;
 extern ConfigVariableInt dx_lru_debug_frames_til_output;
+extern ConfigVariableBool dx_lru_debug_textures;
+extern ConfigVariableBool dx_lru_debug_vertex_buffers;
 
 extern ConfigVariableBool dx_use_dynamic_textures;