crtc: Move MetaGpu field to instance-private

Users either set during construction, or get via the helper.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1287

src/backends/meta-crtc.c

@@ -21,14 +21,34 @@
 
 #include "backends/meta-crtc.h"
 
-G_DEFINE_TYPE (MetaCrtc, meta_crtc, G_TYPE_OBJECT)
+#include "backends/meta-gpu.h"
+
+enum
+{
+  PROP_0,
+
+  PROP_GPU,
+
+  N_PROPS
+};
+
+static GParamSpec *obj_props[N_PROPS];
+
+typedef struct _MetaCrtcPrivate
+{
+  MetaGpu *gpu;
+} MetaCrtcPrivate;
+
+G_DEFINE_TYPE_WITH_PRIVATE (MetaCrtc, meta_crtc, G_TYPE_OBJECT)
 
 G_DEFINE_TYPE (MetaCrtcMode, meta_crtc_mode, G_TYPE_OBJECT)
 
 MetaGpu *
 meta_crtc_get_gpu (MetaCrtc *crtc)
 {
-  return crtc->gpu;
+  MetaCrtcPrivate *priv = meta_crtc_get_instance_private (crtc);
+
+  return priv->gpu;
 }
 
 void
@@ -55,6 +75,44 @@ meta_crtc_unset_config (MetaCrtc *crtc)
   g_clear_pointer (&crtc->config, g_free);
 }
 
+static void
+meta_crtc_set_property (GObject      *object,
+                        guint         prop_id,
+                        const GValue *value,
+                        GParamSpec   *pspec)
+{
+  MetaCrtc *crtc = META_CRTC (object);
+  MetaCrtcPrivate *priv = meta_crtc_get_instance_private (crtc);
+
+  switch (prop_id)
+    {
+    case PROP_GPU:
+      priv->gpu = g_value_get_object (value);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+meta_crtc_get_property (GObject    *object,
+                        guint       prop_id,
+                        GValue     *value,
+                        GParamSpec *pspec)
+{
+  MetaCrtc *crtc = META_CRTC (object);
+  MetaCrtcPrivate *priv = meta_crtc_get_instance_private (crtc);
+
+  switch (prop_id)
+    {
+    case PROP_GPU:
+      g_value_set_object (value, priv->gpu);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
 static void
 meta_crtc_finalize (GObject *object)
 {
@@ -78,7 +136,19 @@ meta_crtc_class_init (MetaCrtcClass *klass)
 {
   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 
+  object_class->set_property = meta_crtc_set_property;
+  object_class->get_property = meta_crtc_get_property;
   object_class->finalize = meta_crtc_finalize;
+
+  obj_props[PROP_GPU] =
+    g_param_spec_object ("gpu",
+                         "gpu",
+                         "MetaGpu",
+                         META_TYPE_GPU,
+                         G_PARAM_READWRITE |
+                         G_PARAM_CONSTRUCT_ONLY |
+                         G_PARAM_STATIC_STRINGS);
+  g_object_class_install_properties (object_class, N_PROPS, obj_props);
 }
 
 static void

src/backends/meta-crtc.h

@@ -60,8 +60,6 @@ struct _MetaCrtc
 {
   GObject parent;
 
-  MetaGpu *gpu;
-
   glong crtc_id;
   unsigned int all_transforms;
 
@@ -97,6 +95,7 @@ META_EXPORT_TEST G_DECLARE_FINAL_TYPE (MetaCrtc, meta_crtc, META, CRTC, GObject)
 #define META_TYPE_CRTC_MODE (meta_crtc_mode_get_type ())
 META_EXPORT_TEST G_DECLARE_FINAL_TYPE (MetaCrtcMode, meta_crtc_mode, META, CRTC_MODE, GObject)
 
+META_EXPORT_TEST
 MetaGpu * meta_crtc_get_gpu (MetaCrtc *crtc);
 
 META_EXPORT_TEST

src/backends/meta-monitor-manager-dummy.c

@@ -198,7 +198,9 @@ append_monitor (MetaMonitorManager *manager,
     }
   *modes = g_list_concat (*modes, new_modes);
 
-  crtc = g_object_new (META_TYPE_CRTC, NULL);
+  crtc = g_object_new (META_TYPE_CRTC,
+                       "gpu", gpu,
+                       NULL);
   crtc->crtc_id = g_list_length (*crtcs) + 1;
   crtc->all_transforms = ALL_TRANSFORMS;
   *crtcs = g_list_append (*crtcs, crtc);
@@ -289,8 +291,9 @@ append_tiled_monitor (MetaMonitorManager *manager,
     {
       MetaCrtc *crtc;
 
-      crtc = g_object_new (META_TYPE_CRTC, NULL);
-      crtc->gpu = gpu;
+      crtc = g_object_new (META_TYPE_CRTC,
+                           "gpu", gpu,
+                           NULL);
       crtc->crtc_id = g_list_length (*crtcs) + i + 1;
       crtc->all_transforms = ALL_TRANSFORMS;
       new_crtcs = g_list_append (new_crtcs, crtc);

src/backends/native/meta-crtc-kms.c

@@ -296,8 +296,9 @@ meta_create_kms_crtc (MetaGpuKms  *gpu_kms,
   kms_device = meta_gpu_kms_get_kms_device (gpu_kms);
   primary_plane = meta_kms_device_get_primary_plane_for (kms_device,
                                                          kms_crtc);
-  crtc = g_object_new (META_TYPE_CRTC, NULL);
-  crtc->gpu = gpu;
+  crtc = g_object_new (META_TYPE_CRTC,
+                       "gpu", gpu,
+                       NULL);
   crtc->crtc_id = meta_kms_crtc_get_id (kms_crtc);
   crtc->is_dirty = FALSE;
   crtc->all_transforms = ALL_TRANSFORMS_MASK;

src/backends/x11/meta-crtc-xrandr.c

@@ -248,7 +248,9 @@ meta_create_xrandr_crtc (MetaGpuXrandr      *gpu_xrandr,
   unsigned int i;
   GList *modes;
 
-  crtc = g_object_new (META_TYPE_CRTC, NULL);
+  crtc = g_object_new (META_TYPE_CRTC,
+                       "gpu", gpu,
+                       NULL);
 
   crtc_xrandr = g_new0 (MetaCrtcXrandr, 1);
   crtc_xrandr->transform =
@@ -256,7 +258,6 @@ meta_create_xrandr_crtc (MetaGpuXrandr      *gpu_xrandr,
 
   crtc->driver_private = crtc_xrandr;
   crtc->driver_notify = (GDestroyNotify) meta_crtc_destroy_notify;
-  crtc->gpu = META_GPU (gpu_xrandr);
   crtc->crtc_id = crtc_id;
 
   panning = XRRGetPanning (xdisplay, resources, crtc_id);
@@ -283,7 +284,7 @@ meta_create_xrandr_crtc (MetaGpuXrandr      *gpu_xrandr,
   crtc->all_transforms =
     meta_monitor_transform_from_xrandr_all (xrandr_crtc->rotations);
 
-  modes = meta_gpu_get_modes (crtc->gpu);
+  modes = meta_gpu_get_modes (gpu);
   for (i = 0; i < (unsigned int) resources->nmode; i++)
     {
       if (resources->modes[i].id == xrandr_crtc->mode)