Direct3D video output. Fixed redraw when DirectDraw/Direct3D device is lost.

src/vid_cl5429.c

@@ -834,11 +834,19 @@ void gd5429_speed_changed(void *p)
         svga_recalctimings(&gd5429->svga);
 }
 
+void gd5429_force_redraw(void *p)
+{
+        gd5429_t *gd5429 = (gd5429_t *)p;
+
+        gd5429->svga.fullchange = changeframecount;
+}
+
 device_t gd5429_device =
 {
         "Cirrus Logic GD5429",
         gd5429_init,
         gd5429_close,
         gd5429_speed_changed,
+        gd5429_force_redraw,
         svga_add_status_info
 };