diff -uNr SDL-1.2.15/src/video/x11/SDL_x11video.c SDL-1.2.15.mod/src/video/x11/SDL_x11video.c
--- SDL-1.2.15/src/video/x11/SDL_x11video.c	2012-01-19 08:30:06.000000000 +0200
+++ SDL-1.2.15.mod/src/video/x11/SDL_x11video.c	2018-10-26 23:20:45.235391408 +0300
@@ -1088,7 +1088,7 @@
 		}
 	}
 
-#if 0 /* This is an experiment - are the graphics faster now? - nope. */
+#if 1 /* This is an experiment - are the graphics faster now? - nope. */
 	if ( SDL_getenv("SDL_VIDEO_X11_BACKINGSTORE") )
 #endif
 	/* Cache the window in the server, when possible */
@@ -1177,8 +1177,6 @@
 			current = NULL;
 			goto done;
 		}
-		X11_PendingConfigureNotifyWidth = width;
-		X11_PendingConfigureNotifyHeight = height;
 	} else {
 		if (X11_CreateWindow(this,current,width,height,bpp,flags) < 0) {
 			current = NULL;
