+ else
+ {
+ const GLXFBConfig * fbconfig =
+ fgStructure.CurrentWindow->Window.FBConfig;
+
+ XVisualInfo * visualInfo =
+ glXGetVisualFromFBConfig( fgDisplay.Display, *fbconfig );
+
+ const int result = visualInfo->visual->map_entries;
+
+ XFree(visualInfo);
+
+ return result;
+ }