[mutter] crtc/kms: Make the 'transform-handled' API pass through MetaCrtcNative

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

commit b91740df0e739e0f0ec730201ac4e7571eba8454
Author: Jonas Ådahl <jadahl gmail com>
Date:   Tue Jan 26 16:13:18 2021 +0100

    crtc/kms: Make the 'transform-handled' API pass through MetaCrtcNative
    
    In preparation for creating another non-KMS backend virtual CRTC.
    
    Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1698>

 src/backends/native/meta-crtc-kms.c               | 22 +++++++++++++++++-----
 src/backends/native/meta-crtc-kms.h               |  3 ---
 src/backends/native/meta-crtc-native.c            |  9 +++++++++
 src/backends/native/meta-crtc-native.h            |  6 ++++++
 src/backends/native/meta-monitor-manager-native.c |  3 ++-
 5 files changed, 34 insertions(+), 9 deletions(-)
---
diff --git a/src/backends/native/meta-crtc-kms.c b/src/backends/native/meta-crtc-kms.c
index fb38e4d672..f1bc79146a 100644
--- a/src/backends/native/meta-crtc-kms.c
+++ b/src/backends/native/meta-crtc-kms.c
@@ -74,9 +74,9 @@ meta_crtc_kms_set_cursor_renderer_private (MetaCrtcKms    *crtc_kms,
   crtc_kms->cursor_renderer_private_destroy_notify = destroy_notify;
 }
 
-gboolean
-meta_crtc_kms_is_transform_handled (MetaCrtcKms          *crtc_kms,
-                                    MetaMonitorTransform  transform)
+static gboolean
+is_transform_handled (MetaCrtcKms          *crtc_kms,
+                      MetaMonitorTransform  transform)
 {
   if (!crtc_kms->primary_plane)
     return FALSE;
@@ -85,6 +85,15 @@ meta_crtc_kms_is_transform_handled (MetaCrtcKms          *crtc_kms,
                                               transform);
 }
 
+static gboolean
+meta_crtc_kms_is_transform_handled (MetaCrtcNative       *crtc_native,
+                                    MetaMonitorTransform  transform)
+{
+  MetaCrtcKms *crtc_kms = META_CRTC_KMS (crtc_native);
+
+  return is_transform_handled (crtc_kms, transform);
+}
+
 void
 meta_crtc_kms_apply_transform (MetaCrtcKms            *crtc_kms,
                                MetaKmsPlaneAssignment *kms_plane_assignment)
@@ -96,9 +105,9 @@ meta_crtc_kms_apply_transform (MetaCrtcKms            *crtc_kms,
   crtc_config = meta_crtc_get_config (crtc);
 
   hw_transform = crtc_config->transform;
-  if (!meta_crtc_kms_is_transform_handled (crtc_kms, hw_transform))
+  if (!is_transform_handled (crtc_kms, hw_transform))
     hw_transform = META_MONITOR_TRANSFORM_NORMAL;
-  if (!meta_crtc_kms_is_transform_handled (crtc_kms, hw_transform))
+  if (!is_transform_handled (crtc_kms, hw_transform))
     return;
 
   meta_kms_plane_update_set_rotation (crtc_kms->primary_plane,
@@ -369,6 +378,9 @@ static void
 meta_crtc_kms_class_init (MetaCrtcKmsClass *klass)
 {
   GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  MetaCrtcNativeClass *crtc_native_class = META_CRTC_NATIVE_CLASS (klass);
 
   object_class->dispose = meta_crtc_kms_dispose;
+
+  crtc_native_class->is_transform_handled = meta_crtc_kms_is_transform_handled;
 }
diff --git a/src/backends/native/meta-crtc-kms.h b/src/backends/native/meta-crtc-kms.h
index df957be15c..f8d241bbb5 100644
--- a/src/backends/native/meta-crtc-kms.h
+++ b/src/backends/native/meta-crtc-kms.h
@@ -45,9 +45,6 @@ void meta_crtc_kms_set_cursor_renderer_private (MetaCrtcKms    *crtc_kms,
                                                 gpointer        cursor_renderer_private,
                                                 GDestroyNotify  destroy_notify);
 
-gboolean meta_crtc_kms_is_transform_handled (MetaCrtcKms          *crtc_kms,
-                                             MetaMonitorTransform  transform);
-
 void meta_crtc_kms_apply_transform (MetaCrtcKms            *crtc_kms,
                                     MetaKmsPlaneAssignment *kms_plane_assignment);
 
diff --git a/src/backends/native/meta-crtc-native.c b/src/backends/native/meta-crtc-native.c
index 3a0e7a9521..5e5751780f 100644
--- a/src/backends/native/meta-crtc-native.c
+++ b/src/backends/native/meta-crtc-native.c
@@ -24,6 +24,15 @@
 G_DEFINE_ABSTRACT_TYPE (MetaCrtcNative, meta_crtc_native,
                         META_TYPE_CRTC)
 
+gboolean
+meta_crtc_native_is_transform_handled (MetaCrtcNative       *crtc_native,
+                                       MetaMonitorTransform  transform)
+{
+  MetaCrtcNativeClass *klass = META_CRTC_NATIVE_GET_CLASS (crtc_native);
+
+  return klass->is_transform_handled (crtc_native, transform);
+}
+
 static void
 meta_crtc_native_init (MetaCrtcNative *crtc_native)
 {
diff --git a/src/backends/native/meta-crtc-native.h b/src/backends/native/meta-crtc-native.h
index 61ea15be31..0c16e58959 100644
--- a/src/backends/native/meta-crtc-native.h
+++ b/src/backends/native/meta-crtc-native.h
@@ -30,6 +30,12 @@ G_DECLARE_DERIVABLE_TYPE (MetaCrtcNative, meta_crtc_native,
 struct _MetaCrtcNativeClass
 {
   MetaCrtcClass parent_class;
+
+  gboolean (* is_transform_handled) (MetaCrtcNative       *crtc_native,
+                                     MetaMonitorTransform  monitor_transform);
 };
 
+gboolean meta_crtc_native_is_transform_handled (MetaCrtcNative       *crtc_native,
+                                                MetaMonitorTransform  transform);
+
 #endif /* META_CRTC_NATIVE_H */
diff --git a/src/backends/native/meta-monitor-manager-native.c 
b/src/backends/native/meta-monitor-manager-native.c
index 30a1535061..0b9471c255 100644
--- a/src/backends/native/meta-monitor-manager-native.c
+++ b/src/backends/native/meta-monitor-manager-native.c
@@ -528,7 +528,8 @@ meta_monitor_manager_native_is_transform_handled (MetaMonitorManager  *manager,
                                                   MetaCrtc            *crtc,
                                                   MetaMonitorTransform transform)
 {
-  return meta_crtc_kms_is_transform_handled (META_CRTC_KMS (crtc), transform);
+  return meta_crtc_native_is_transform_handled (META_CRTC_NATIVE (crtc),
+                                                transform);
 }
 
 static float