diff --git a/panda/src/dxgsg9/config_dxgsg9.cxx b/panda/src/dxgsg9/config_dxgsg9.cxx
index 17352cf218..840d0ce336 100755
--- a/panda/src/dxgsg9/config_dxgsg9.cxx
+++ b/panda/src/dxgsg9/config_dxgsg9.cxx
@@ -135,6 +135,12 @@ ConfigVariableBool link_tristrips
 ConfigVariableBool dx_management
 ("dx-management", true);
 
+// valid only if dx_management == false
+// true = use DirectX management of texture memory
+// false = lru will manage texture memory
+ConfigVariableBool dx_texture_management
+("dx-texture-management", true);
+
 // valid only if dx_management == false
 // true = enable LRU management of video memory
 // false = no video memory management
diff --git a/panda/src/dxgsg9/config_dxgsg9.h b/panda/src/dxgsg9/config_dxgsg9.h
index 5ae2cea11c..14d038aed1 100755
--- a/panda/src/dxgsg9/config_dxgsg9.h
+++ b/panda/src/dxgsg9/config_dxgsg9.h
@@ -62,6 +62,7 @@ extern ConfigVariableBool dx_debug_view_mipmaps;
 
 // LRU configuration variables
 extern ConfigVariableBool dx_management;
+extern ConfigVariableBool dx_texture_management;
 extern ConfigVariableBool dx_lru_management;
 extern ConfigVariableInt dx_lru_maximum_pages;
 extern ConfigVariableInt dx_lru_free_memory_requirement;