Ticket #163: dummy-dpi.diff

src/dummy_driver.c

@@ -34 +34 @@
 #include <X11/extensions/Xv.h>
 #endif
 
+#include "randrstr.h"
+
 /*
  * Driver data structures.
  */
@@ -666 +668 @@
 DUMMYSwitchMode(SWITCH_MODE_ARGS_DECL)
 {
     SCRN_INFO_PTR(arg);
-    return dummyModeInit(pScrn, mode);
+    if (!dummyModeInit(pScrn, mode))
+        return FALSE;
+    pScrn->pScreen->mmWidth = mode->HDisplay * 254 / 960;
+    pScrn->pScreen->mmHeight = mode->VDisplay * 254 / 960;
+    RRScreenSizeNotify(pScrn->pScreen);
+    RRTellChanged(pScrn->pScreen);
+    return TRUE;
 }
 
 /* Mandatory */