[clutter] stage: Use the debug name for the pick buffer dump stem

[Emmanuele Bassi <ebassi src gnome org>]

commit eed174461286ce983e06893a73592edc50a64373
Author: Emmanuele Bassi <ebassi linux intel com>
Date:   Wed Jun 1 18:33:27 2011 +0100

    stage: Use the debug name for the pick buffer dump stem
    
    This avoids overwriting files in the multi-stage case.

 clutter/clutter-stage.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/clutter/clutter-stage.c b/clutter/clutter-stage.c
index 872b240..68b7873 100644
--- a/clutter/clutter-stage.c
+++ b/clutter/clutter-stage.c
@@ -1363,9 +1363,16 @@ _clutter_stage_do_pick (ClutterStage   *stage,
 
   if (G_UNLIKELY (clutter_pick_debug_flags & CLUTTER_DEBUG_DUMP_PICK_BUFFERS))
     {
-      read_pixels_to_file ("pick-buffer", 0, 0,
+      char *file_name =
+        g_strconcat ("pick-buffer-",
+                     _clutter_actor_get_debug_name (CLUTTER_ACTOR (stage)),
+                     NULL);
+
+      read_pixels_to_file (file_name, 0, 0,
                            clutter_actor_get_width (CLUTTER_ACTOR (stage)),
                            clutter_actor_get_height (CLUTTER_ACTOR (stage)));
+
+      g_free (file_name);
     }
 
   /* Restore whether GL_DITHER was enabled */