[mutter] renderer-view: Add view transform getter

[Jonas Ådahl <jadahl src gnome org>]

commit 8a29c51b7359701a1b70ee0562f85fe0b85bb8a7
Author: Jonas Ådahl <jadahl gmail com>
Date:   Fri Mar 17 16:38:36 2017 +0800

    renderer-view: Add view transform getter
    
    This will later be used by the nested backend to emulate per CRTC
    rendering.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=777732

 src/backends/meta-renderer-view.c |    6 ++++++
 src/backends/meta-renderer-view.h |    2 ++
 2 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/src/backends/meta-renderer-view.c b/src/backends/meta-renderer-view.c
index 54ba80a..19ab9ef 100644
--- a/src/backends/meta-renderer-view.c
+++ b/src/backends/meta-renderer-view.c
@@ -51,6 +51,12 @@ meta_renderer_view_get_logical_monitor (MetaRendererView *view)
   return view->logical_monitor;
 }
 
+MetaMonitorTransform
+meta_renderer_view_get_transform (MetaRendererView *view)
+{
+  return view->transform;
+}
+
 static void
 meta_renderer_view_get_offscreen_transformation_matrix (ClutterStageView *view,
                                                         CoglMatrix       *matrix)
diff --git a/src/backends/meta-renderer-view.h b/src/backends/meta-renderer-view.h
index ccab17e..6503414 100644
--- a/src/backends/meta-renderer-view.h
+++ b/src/backends/meta-renderer-view.h
@@ -28,4 +28,6 @@ G_DECLARE_FINAL_TYPE (MetaRendererView, meta_renderer_view,
 
 MetaLogicalMonitor *meta_renderer_view_get_logical_monitor (MetaRendererView *view);
 
+MetaMonitorTransform meta_renderer_view_get_transform (MetaRendererView *view);
+
 #endif /* META_RENDERER_VIEW_H */