[mutter] monitor: Add API to check color transform support

[Marge Bot <marge-bot src gnome org>]

commit 7a242ff1a10d51769d59ba230d9e37d9a6f03988
Author: Jonas Ådahl <jadahl gmail com>
Date:   Mon Dec 6 11:42:36 2021 +0100

    monitor: Add API to check color transform support
    
    Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2164>

 src/backends/meta-monitor.c | 9 +++++++++
 src/backends/meta-monitor.h | 2 ++
 2 files changed, 11 insertions(+)
---
diff --git a/src/backends/meta-monitor.c b/src/backends/meta-monitor.c
index 0d3eb0cfff..b94e783baa 100644
--- a/src/backends/meta-monitor.c
+++ b/src/backends/meta-monitor.c
@@ -353,6 +353,15 @@ meta_monitor_supports_underscanning (MetaMonitor *monitor)
   return output_info->supports_underscanning;
 }
 
+gboolean
+meta_monitor_supports_color_transform (MetaMonitor *monitor)
+{
+  const MetaOutputInfo *output_info =
+    meta_monitor_get_main_output_info (monitor);
+
+  return output_info->supports_color_transform;
+}
+
 gboolean
 meta_monitor_is_underscanning (MetaMonitor *monitor)
 {
diff --git a/src/backends/meta-monitor.h b/src/backends/meta-monitor.h
index 3e81c7a090..6973e348a7 100644
--- a/src/backends/meta-monitor.h
+++ b/src/backends/meta-monitor.h
@@ -116,6 +116,8 @@ gboolean meta_monitor_is_primary (MetaMonitor *monitor);
 
 gboolean meta_monitor_supports_underscanning (MetaMonitor *monitor);
 
+gboolean meta_monitor_supports_color_transform (MetaMonitor *monitor);
+
 gboolean meta_monitor_is_underscanning (MetaMonitor *monitor);
 
 gboolean meta_monitor_get_max_bpc (MetaMonitor  *monitor,