Le jeudi 09 septembre 2010 à 22:56 +0200, Josselin Mouette a écrit :
> Le jeudi 09 septembre 2010 à 20:22 +0200, Julien Cristau a écrit : 
> > AFAIK all X.org drivers have been fixed up for REPEAT_* handling.  I
> > can't speak for fglrx and nvidia though.
> 
> TTBOMK the nvidia driver in squeeze doesn’t have such a bug.

To summarize a short IRC discussion I just had with Mike: if most
drivers have been fixed, the solution is to invert the logic of the
patch, and require users with a buggy X11 driver to set the environment
variable.

I’m attaching the corresponding patch proposal.

Sebastian, can you take care of the upload?

Thanks,
-- 
 .''`.
: :' :     “You would need to ask a lawyer if you don't know
`. `'       that a handshake of course makes a valid contract.”
  `-        --  J???rg Schilling
Index: cairo/src/cairo-xlib-display.c
===================================================================
--- cairo.orig/src/cairo-xlib-display.c	2010-08-17 05:52:51.868996101 +0200
+++ cairo/src/cairo-xlib-display.c	2010-08-17 05:52:54.692995371 +0200
@@ -66,6 +66,8 @@
 
 static cairo_xlib_display_t *_cairo_xlib_display_list;
 
+static int buggy_repeat_force = -1;
+
 static void
 _cairo_xlib_remove_close_display_hook_internal (cairo_xlib_display_t *display,
 						cairo_xlib_hook_t *hook);
@@ -338,6 +340,17 @@
 	    display->buggy_repeat = TRUE;
     }
 
+    /* XXX workaround; see https://bugzilla.mozilla.org/show_bug.cgi?id=413583 */
+    if (buggy_repeat_force == -1) {
+        if (getenv("MOZ_CAIRO_BUGGY_REPEAT"))
+            buggy_repeat_force = 1;
+        else
+            buggy_repeat_force = 0;
+    }
+
+    if (buggy_repeat_force)
+        display->buggy_repeat = TRUE;
+
     display->next = _cairo_xlib_display_list;
     _cairo_xlib_display_list = display;
 

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