* Fix for some strange x drivers that return 8 bits screens as first answer...

* Fix for some strange x drivers that return 8 bits screens as first answer when being requested a Truecolor class one

modules/video_output/x11/xcommon.c

@@ -2067,14 +2067,27 @@ static int InitDisplay( vout_thread_t *p_vout )
          */
         xvisual_template.screen =   p_vout->p_sys->i_screen;
         xvisual_template.class =    TrueColor;
+/* In some cases, we get a truecolor class adaptor that has a different
+   color depth. So try to get a real true color one first */
+        xvisual_template.depth =    p_vout->p_sys->i_screen_depth;
+
+        p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
+                                    VisualScreenMask | VisualClassMask,
+                                    &xvisual_template, &i_count );
+        if( p_xvisual == NULL )
+        {
+            msg_Warn( p_vout, "No screen matching the required color depth" );
+            xvisual_template.depth = 0;
             p_xvisual = XGetVisualInfo( p_vout->p_sys->p_display,
                                     VisualScreenMask | VisualClassMask,
                                     &xvisual_template, &i_count );
             if( p_xvisual == NULL )
             {
+            
                 msg_Err( p_vout, "no TrueColor visual available" );
                 return VLC_EGENERIC;
             }
+        }
 
         p_vout->output.i_rmask = p_xvisual->red_mask;
         p_vout->output.i_gmask = p_xvisual->green_mask;