Add debugging patch from https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3293

0002-clutter-Add-ms2ns-helper.patch

@@ -0,0 +1,89 @@
+From 2c78762dfe3dc05febe6be6408e4018be048159e Mon Sep 17 00:00:00 2001
+From: Ray Strode <rstrode@redhat.com>
+Date: Fri, 29 Sep 2023 10:53:50 -0400
+Subject: [PATCH 2/3] clutter: Add ms2ns helper
+
+Some system apis we're going to need in the future use
+nanoseconds, but we're never going to need more timing
+precision that milliseconds.
+
+In preparate for that, this commit adds a new helper ns2ms
+to help avoid bugs in unit conversion.
+---
+ clutter/clutter/clutter-private.h | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/clutter/clutter/clutter-private.h b/clutter/clutter/clutter-private.h
+index 9d5e68c8c..007e15eba 100644
+--- a/clutter/clutter/clutter-private.h
++++ b/clutter/clutter/clutter-private.h
+@@ -219,60 +219,66 @@ gboolean        _clutter_run_progress_function  (GType gtype,
+                                                  const GValue *final,
+                                                  gdouble progress,
+                                                  GValue *retval);
+ 
+ void            clutter_timeline_cancel_delay (ClutterTimeline *timeline);
+ 
+ static inline void
+ clutter_round_to_256ths (float *f)
+ {
+   *f = roundf ((*f) * 256) / 256;
+ }
+ 
+ static inline uint64_t
+ ns (uint64_t ns)
+ {
+   return ns;
+ }
+ 
+ static inline int64_t
+ us (int64_t us)
+ {
+   return us;
+ }
+ 
+ static inline int64_t
+ ms (int64_t ms)
+ {
+   return ms;
+ }
+ 
++static inline int64_t
++ms2ns (int64_t ms)
++{
++  return ns (us (ms * 1000) * 1000);
++}
++
+ static inline int64_t
+ ms2us (int64_t ms)
+ {
+   return us (ms * 1000);
+ }
+ 
+ static inline int64_t
+ us2ns (int64_t us)
+ {
+   return ns (us * 1000);
+ }
+ 
+ static inline int64_t
+ us2ms (int64_t us)
+ {
+   return (int64_t) (us / 1000);
+ }
+ 
+ static inline int64_t
+ ns2us (int64_t ns)
+ {
+   return us (ns / 1000);
+ }
+ 
+ static inline int64_t
+ s2us (int64_t s)
+ {
+   return s * G_USEC_PER_SEC;
+ }
+ 
+-- 
+2.41.0
+