[cogl/lionel/introspection-next: 1/42] cogl2: add boilerplate to define fundamental types
- From: Lionel Landwerlin <llandwerlin src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [cogl/lionel/introspection-next: 1/42] cogl2: add boilerplate to define fundamental types
- Date: Tue, 10 Dec 2013 21:50:22 +0000 (UTC)
commit 050b96d64df74c39be796022b77258a8cdb81953
Author: Lionel Landwerlin <llandwerlin gmail com>
Date: Mon Sep 2 16:02:42 2013 +0100
cogl2: add boilerplate to define fundamental types
cogl/Makefile.am | 36 +++++++-
cogl/cogl-gtype-private.h | 229 +++++++++++++++++++++++++++++++++++++++++++-
cogl/cogl-gtype.c | 153 +++++++++++++++++++++++++++++
cogl/cogl-object-private.h | 77 +++++++++++----
cogl/cogl-object.c | 3 +
cogl/cogl-object.h | 11 ++
cogl/cogl-types.h | 7 ++
7 files changed, 490 insertions(+), 26 deletions(-)
---
diff --git a/cogl/Makefile.am b/cogl/Makefile.am
index 6ac1284..fdeb0f0 100644
--- a/cogl/Makefile.am
+++ b/cogl/Makefile.am
@@ -140,6 +140,15 @@ cogl_experimental_h = \
$(srcdir)/cogl-error.h \
$(NULL)
+cogl_additional_experimental_h = \
+ $(srcdir)/cogl-bitmap.h \
+ $(srcdir)/cogl-color.h \
+ $(srcdir)/cogl-matrix.h \
+ $(srcdir)/cogl-texture.h \
+ $(srcdir)/cogl-types.h \
+ $(srcdir)/cogl-gtype-private.h \
+ $(NULL)
+
cogl_nodist_experimental_h = \
$(NULL)
@@ -354,6 +363,7 @@ cogl_sources_c = \
$(srcdir)/cogl-flags.h \
$(srcdir)/cogl-bitmask.h \
$(srcdir)/cogl-bitmask.c \
+ $(srcdir)/cogl-gtype.c \
$(srcdir)/cogl-gtype-private.h \
$(srcdir)/cogl-point-in-poly-private.h \
$(srcdir)/cogl-point-in-poly.c \
@@ -670,12 +680,36 @@ Cogl_1_0_gir_FILES += \
$(top_srcdir)/cogl-path/cogl-path-types.h \
$(top_srcdir)/cogl-path/cogl1-path-functions.h
endif
+
+Cogl-2.0.gir: libcogl.la Makefile
+
+Cogl_2_0_gir_NAMESPACE = Cogl
+Cogl_2_0_gir_VERSION = 2.0
+Cogl_2_0_gir_LIBS = libcogl.la
+if UNIT_TESTS
+Cogl_2_0_gir_LIBS += $(top_builddir)/test-fixtures/libtest-fixtures.la
+endif
+Cogl_2_0_gir_FILES = $(cogl_experimental_h) $(cogl_additional_experimental_h) cogl-enum-types.h
+if BUILD_COGL_PATH
+Cogl_2_0_gir_FILES += \
+ $(top_builddir)/cogl-path/cogl-path-enum-types.h \
+ $(top_srcdir)/cogl-path/cogl-path-types.h \
+ $(top_srcdir)/cogl-path/cogl1-path-functions.h
+endif
+
+
Cogl_1_0_gir_CFLAGS = $(AM_CPPFLAGS) $(COGL_DEP_CFLAGS) -UCOGL_ENABLE_EXPERIMENTAL_API
-UCOGL_ENABLE_EXPERIMENTAL_2_0_API -UCOGL_COMPILATION -D__COGL_H_INSIDE__ -D__COGL_XLIB_H_INSIDE__
Cogl_1_0_gir_INCLUDES = GL-1.0 GObject-2.0
Cogl_1_0_gir_EXPORT_PACKAGES = cogl-1.0
Cogl_1_0_gir_SCANNERFLAGS = --warn-all --c-include='cogl/cogl.h'
-INTROSPECTION_GIRS += Cogl-1.0.gir
+
+Cogl_2_0_gir_CFLAGS = $(AM_CPPFLAGS) $(COGL_DEP_CFLAGS) -DCOGL_ENABLE_EXPERIMENTAL_API=1 -UCOGL_COMPILATION
-D__COGL_H_INSIDE__ -D__COGL_XLIB_H_INSIDE__
+Cogl_2_0_gir_INCLUDES = GL-1.0 GObject-2.0
+Cogl_2_0_gir_EXPORT_PACKAGES = cogl-2.0-experimental
+Cogl_2_0_gir_SCANNERFLAGS = --warn-all --c-include='cogl/cogl.h'
+
+INTROSPECTION_GIRS += Cogl-1.0.gir Cogl-2.0.gir
girdir = $(datadir)/gir-1.0
gir_DATA = $(INTROSPECTION_GIRS)
diff --git a/cogl/cogl-gtype-private.h b/cogl/cogl-gtype-private.h
index 5715d01..12281f3 100644
--- a/cogl/cogl-gtype-private.h
+++ b/cogl/cogl-gtype-private.h
@@ -22,15 +22,41 @@
*
*/
+#ifndef __COGL_GTYPE_PRIVATE_H__
+#define __COGL_GTYPE_PRIVATE_H__
+
+#include "config.h"
+
#include <glib.h>
#include <glib-object.h>
-#ifndef __COGL_GTYPE_PRIVATE_H__
-#define __COGL_GTYPE_PRIVATE_H__
+#include "cogl-object-private.h"
+
+/* Move this to public headers? */
+typedef struct _CoglGtypeObject CoglGtypeObject;
+typedef struct _CoglGtypeClass CoglGtypeClass;
+
+struct _CoglGtypeObject
+{
+ GTypeInstance parent_instance;
-#define COGL_GTYPE_DEFINE_BOXED(Name, underscore_name, copy_func, free_func) \
+ guint dummy;
+};
+
+struct _CoglGtypeClass
+{
+ GTypeClass base_class;
+
+ guint dummy;
+};
+
+#define I_(str) (g_intern_static_string ((str)))
+
+/**/
+
+#define COGL_GTYPE_DEFINE_BOXED(Name,underscore_name,copy_func,free_func) \
GType \
-cogl_gtype_ ## underscore_name ## _get_type (void) \
+cogl_##underscore_name##_get_gtype (void) \
{ \
static volatile size_t type_volatile = 0; \
if (g_once_init_enter (&type_volatile)) \
@@ -44,5 +70,198 @@ cogl_gtype_ ## underscore_name ## _get_type (void) \
return type_volatile; \
}
-#endif /* __COGL_GTYPE_PRIVATE_H__ */
+#define COGL_GTYPE_IMPLEMENT_INTERFACE(name) { \
+ const GInterfaceInfo g_implement_interface_info = { \
+ (GInterfaceInitFunc) _cogl_gtype_dummy_iface_init, NULL, NULL \
+ }; \
+ g_type_add_interface_static (fundamental_type_id, \
+ cogl_##name##_get_gtype(), \
+ &g_implement_interface_info); \
+ }
+
+#define _COGL_GTYPE_DEFINE_BASE_CLASS_BEGIN(Name,name) \
+GType \
+cogl_##name##_get_gtype (void) \
+{ \
+ static volatile gsize type_id__volatile = 0; \
+ if (g_once_init_enter (&type_id__volatile)) \
+ { \
+ static const GTypeFundamentalInfo finfo = { \
+ (G_TYPE_FLAG_CLASSED | \
+ G_TYPE_FLAG_INSTANTIATABLE | \
+ G_TYPE_FLAG_DERIVABLE | \
+ G_TYPE_FLAG_DEEP_DERIVABLE), \
+ }; \
+ static const GTypeValueTable value_table = { \
+ _cogl_gtype_object_init_value, \
+ _cogl_gtype_object_free_value, \
+ _cogl_gtype_object_copy_value, \
+ _cogl_gtype_object_peek_pointer, \
+ "p", \
+ _cogl_gtype_object_collect_value, \
+ "p", \
+ _cogl_gtype_object_lcopy_value, \
+ }; \
+ const GTypeInfo node_info = { \
+ sizeof (CoglObjectClass), \
+ (GBaseInitFunc) _cogl_gtype_object_class_base_init, \
+ (GBaseFinalizeFunc) _cogl_gtype_object_class_base_finalize, \
+ (GClassInitFunc) _cogl_gtype_object_class_init, \
+ (GClassFinalizeFunc) NULL, \
+ NULL, \
+ sizeof (CoglObject), \
+ 0, \
+ (GInstanceInitFunc) _cogl_gtype_object_init, \
+ &value_table, \
+ }; \
+ GType fundamental_type_id = \
+ g_type_register_fundamental (g_type_fundamental_next (), \
+ I_("Cogl" # Name), \
+ &node_info, &finfo, \
+ G_TYPE_FLAG_ABSTRACT); \
+ g_once_init_leave (&type_id__volatile, \
+ fundamental_type_id);
+#define _COGL_GTYPE_DEFINE_BASE_CLASS_END() \
+ } \
+ return type_id__volatile; \
+ }
+
+#define COGL_GTYPE_DEFINE_BASE_CLASS(Name,name,interfaces...) \
+ _COGL_GTYPE_DEFINE_BASE_CLASS_BEGIN(Name,name) \
+ {interfaces;} \
+ _COGL_GTYPE_DEFINE_BASE_CLASS_END()
+
+#define _COGL_GTYPE_DEFINE_INTERFACE_EXTENDED_BEGIN(Name,name) \
+ \
+ static void name##_default_init (Name##Interface *klass); \
+ GType \
+ name##_get_gtype (void) \
+ { \
+ static volatile gsize type_id__volatile = 0; \
+ if (g_once_init_enter (&type_id__volatile)) \
+ { \
+ GType fundamental_type_id = \
+ g_type_register_static_simple (G_TYPE_INTERFACE, \
+ g_intern_static_string (#Name), \
+ sizeof (Name##Interface), \
+ (GClassInitFunc)name##_default_init, \
+ 0, \
+ (GInstanceInitFunc)NULL, \
+ (GTypeFlags) 0); \
+ g_type_interface_add_prerequisite (fundamental_type_id, \
+ cogl_object_get_gtype()); \
+ { /* custom code follows */
+
+#define _COGL_GTYPE_DEFINE_INTERFACE_EXTENDED_END() \
+ /* following custom code */ \
+ } \
+ g_once_init_leave (&type_id__volatile, \
+ fundamental_type_id); \
+ } \
+ return type_id__volatile; \
+ } /* closes name##_get_type() */
+
+
+#define COGL_GTYPE_DEFINE_INTERFACE(Name,name) \
+ typedef struct _Cogl##Name##Iface Cogl##Name##Iface; \
+ typedef Cogl##Name##Iface Cogl##Name##Interface; \
+ struct _Cogl##Name##Iface \
+ { \
+ /*< private >*/ \
+ GTypeInterface g_iface; \
+ }; \
+ _COGL_GTYPE_DEFINE_INTERFACE_EXTENDED_BEGIN (Cogl##Name, cogl_##name) \
+ _COGL_GTYPE_DEFINE_INTERFACE_EXTENDED_END () \
+ static void \
+ cogl_##name##_default_init (Cogl##Name##Interface *iface) \
+ { \
+ }
+
+#define _COGL_GTYPE_DEFINE_TYPE_EXTENDED_BEGIN(Name,name,parent,flags) \
+ \
+ static void name##_init (Name *self); \
+ static void name##_class_init (Name##Class *klass); \
+ static gpointer name##_parent_class = NULL; \
+ static gint Name##_private_offset; \
+ \
+ _G_DEFINE_TYPE_EXTENDED_CLASS_INIT(Name, name) \
+ \
+ static inline gpointer \
+ name##_get_instance_private (Name *self) \
+ { \
+ return (G_STRUCT_MEMBER_P (self, Name ##_private_offset)); \
+ } \
+ \
+ GType \
+ name##_get_gtype (void) \
+ { \
+ static volatile gsize type_id__volatile = 0; \
+ if (g_once_init_enter (&type_id__volatile)) \
+ { \
+ GType fundamental_type_id = \
+ g_type_register_static_simple (parent, \
+ g_intern_static_string (#Name), \
+ sizeof (Name##Class), \
+ (GClassInitFunc) name##_class_intern_init, \
+ sizeof (Name), \
+ (GInstanceInitFunc) name##_init, \
+ (GTypeFlags) flags); \
+ { /* custom code follows */
+
+#define _COGL_GTYPE_DEFINE_TYPE_EXTENDED_END() \
+ /* following custom code */ \
+ } \
+ g_once_init_leave (&type_id__volatile, \
+ fundamental_type_id); \
+ } \
+ return type_id__volatile; \
+ } /* closes name##_get_type() */
+
+
+#define COGL_GTYPE_DEFINE_CLASS(Name,name,interfaces...) \
+ typedef struct _Cogl##Name##Class Cogl##Name##Class; \
+ struct _Cogl##Name##Class { \
+ CoglObjectClass parent_class; \
+ }; \
+ _COGL_GTYPE_DEFINE_TYPE_EXTENDED_BEGIN(Cogl##Name, \
+ cogl_##name, \
+ cogl_object_get_gtype(), \
+ 0) \
+ {interfaces;} \
+ _COGL_GTYPE_DEFINE_TYPE_EXTENDED_END() \
+ static void \
+ cogl_##name##_init (Cogl##Name *instance) \
+ { \
+ } \
+ static void \
+ cogl_##name##_class_init (Cogl##Name##Class *klass) \
+ { \
+ }
+
+void _cogl_gtype_object_init_value (GValue *value);
+void _cogl_gtype_object_free_value (GValue *value);
+void _cogl_gtype_object_copy_value (const GValue *src,
+ GValue *dst);
+gpointer _cogl_gtype_object_peek_pointer (const GValue *value);
+gchar *_cogl_gtype_object_collect_value (GValue *value,
+ guint n_collect_values,
+ GTypeCValue *collect_values,
+ guint collect_flags);
+gchar *_cogl_gtype_object_lcopy_value (const GValue *value,
+ guint n_collect_values,
+ GTypeCValue *collect_values,
+ guint collect_flags);
+
+void _cogl_gtype_object_class_base_init (CoglObjectClass *klass);
+void _cogl_gtype_object_class_base_finalize (CoglObjectClass *klass);
+void _cogl_gtype_object_class_init (CoglObjectClass *klass);
+void _cogl_gtype_object_init (CoglObject *object);
+
+void cogl_object_value_set_object (GValue *value,
+ gpointer object);
+gpointer cogl_object_value_get_object (const GValue *value);
+
+void _cogl_gtype_dummy_iface_init (gpointer iface);
+
+#endif /* __COGL_GTYPE_PRIVATE_H__ */
diff --git a/cogl/cogl-gtype.c b/cogl/cogl-gtype.c
new file mode 100644
index 0000000..314d8e4
--- /dev/null
+++ b/cogl/cogl-gtype.c
@@ -0,0 +1,153 @@
+#include "cogl-gtype-private.h"
+
+#include <gobject/gvaluecollector.h>
+
+void
+_cogl_gtype_object_init_value (GValue *value)
+{
+ value->data[0].v_pointer = NULL;
+}
+
+void
+_cogl_gtype_object_free_value (GValue *value)
+{
+ if (value->data[0].v_pointer != NULL)
+ cogl_object_unref (value->data[0].v_pointer);
+}
+
+void
+_cogl_gtype_object_copy_value (const GValue *src,
+ GValue *dst)
+{
+ if (src->data[0].v_pointer != NULL)
+ dst->data[0].v_pointer = cogl_object_ref (src->data[0].v_pointer);
+ else
+ dst->data[0].v_pointer = NULL;
+}
+
+gpointer
+_cogl_gtype_object_peek_pointer (const GValue *value)
+{
+ return value->data[0].v_pointer;
+}
+
+gchar *
+_cogl_gtype_object_collect_value (GValue *value,
+ guint n_collect_values,
+ GTypeCValue *collect_values,
+ guint collect_flags)
+{
+ CoglObject *object;
+
+ object = collect_values[0].v_pointer;
+
+ if (object == NULL)
+ {
+ value->data[0].v_pointer = NULL;
+ return NULL;
+ }
+
+ if (object->klass == NULL)
+ return g_strconcat ("invalid unclassed CoglObject pointer for "
+ "value type '",
+ G_VALUE_TYPE_NAME (value),
+ "'",
+ NULL);
+
+ value->data[0].v_pointer = cogl_object_ref (object);
+
+ return NULL;
+}
+
+gchar *
+_cogl_gtype_object_lcopy_value (const GValue *value,
+ guint n_collect_values,
+ GTypeCValue *collect_values,
+ guint collect_flags)
+{
+ CoglObject **object_p = collect_values[0].v_pointer;
+
+ if (object_p == NULL)
+ return g_strconcat ("value location for '",
+ G_VALUE_TYPE_NAME (value),
+ "' passed as NULL",
+ NULL);
+
+ if (value->data[0].v_pointer == NULL)
+ *object_p = NULL;
+ else if (collect_flags & G_VALUE_NOCOPY_CONTENTS)
+ *object_p = value->data[0].v_pointer;
+ else
+ *object_p = cogl_object_ref (value->data[0].v_pointer);
+
+ return NULL;
+}
+
+void
+_cogl_gtype_object_class_base_init (CoglObjectClass *klass)
+{
+}
+
+void
+_cogl_gtype_object_class_base_finalize (CoglObjectClass *klass)
+{
+}
+
+void
+_cogl_gtype_object_class_init (CoglObjectClass *klass)
+{
+}
+
+void
+_cogl_gtype_object_init (CoglObject *object)
+{
+}
+
+void
+_cogl_gtype_dummy_iface_init (gpointer iface)
+{
+}
+
+/**
+ * cogl_object_value_set_object:
+ * @value: a #GValue initialized with %COGL_GTYPE_TYPE_OBJECT
+ * @object: (type Cogl.GtypeObject) (allow-none): a #CoglGtypeObject, or %NULL
+ *
+ * Sets the contents of a #GValue initialized with %COGL_GTYPE_TYPE_OBJECT.
+ *
+ */
+void
+cogl_object_value_set_object (GValue *value,
+ gpointer object)
+{
+ CoglObject *old_object;
+
+ old_object = value->data[0].v_pointer;
+
+ if (object != NULL)
+ {
+ /* take over ownership */
+ value->data[0].v_pointer = object;
+ }
+ else
+ value->data[0].v_pointer = NULL;
+
+ if (old_object != NULL)
+ cogl_object_unref (old_object);
+}
+
+/**
+ * cogl_object_value_get_object:
+ * @value: a #GValue initialized with %COGL_GTYPE_TYPE_OBJECT
+ *
+ * Retrieves a pointer to the #CoglGtypeObject contained inside
+ * the passed #GValue.
+ *
+ * Return value: (transfer none) (type Cogl.GtypeObject): a pointer to
+ * a #CoglGtypeObject, or %NULL
+ */
+gpointer
+cogl_object_value_get_object (const GValue *value)
+{
+ return value->data[0].v_pointer;
+}
diff --git a/cogl/cogl-object-private.h b/cogl/cogl-object-private.h
index 82fc06c..6019595 100644
--- a/cogl/cogl-object-private.h
+++ b/cogl/cogl-object-private.h
@@ -51,6 +51,9 @@ typedef void (*CoglUserDataDestroyInternalCallback) (void *user_data,
typedef struct _CoglObjectClass
{
+#ifdef COGL_HAS_GTYPE_SUPPORT
+ GTypeClass base_class;
+#endif
const char *name;
void *virt_free;
void *virt_unref;
@@ -74,7 +77,7 @@ typedef struct
*/
struct _CoglObject
{
- CoglObjectClass *klass;
+ CoglObjectClass *klass; /* equivalent to GTypeInstance */
CoglUserDataEntry user_data_entry[
COGL_OBJECT_N_PRE_ALLOCATED_USER_DATA_ENTRIES];
@@ -118,6 +121,14 @@ struct _CoglObject
#endif /* COGL_OBJECT_DEBUG */
+#ifdef COGL_HAS_GTYPE_SUPPORT
+#define _COGL_GTYPE_INIT_CLASS(type_name) do { \
+ _cogl_##type_name##_class.base_class.g_type = cogl_##type_name##_get_gtype (); \
+} while (0)
+#else
+#define _COGL_GTYPE_INIT_CLASS(type_name)
+#endif
+
#define COGL_OBJECT_COMMON_DEFINE_WITH_CODE(TypeName, type_name, code) \
\
CoglObjectClass _cogl_##type_name##_class; \
@@ -142,6 +153,28 @@ _cogl_object_##type_name##_indirect_free (CoglObject *obj) \
_cogl_object_##type_name##_dec (); \
} \
\
+static void \
+_cogl_object_##type_name##_class_init (void) \
+{ \
+ _cogl_object_##type_name##_count = 0; \
+ \
+ if (_cogl_debug_instances == NULL) \
+ _cogl_debug_instances = \
+ g_hash_table_new (g_str_hash, g_str_equal); \
+ \
+ _cogl_##type_name##_class.virt_free = \
+ _cogl_object_##type_name##_indirect_free; \
+ _cogl_##type_name##_class.virt_unref = \
+ _cogl_object_default_unref; \
+ _cogl_##type_name##_class.name = "Cogl"#TypeName; \
+ \
+ g_hash_table_insert (_cogl_debug_instances, \
+ (void *) _cogl_##type_name##_class.name, \
+ &_cogl_object_##type_name##_count); \
+ \
+ { code; } \
+} \
+ \
static Cogl##TypeName * \
_cogl_##type_name##_object_new (Cogl##TypeName *new_obj) \
{ \
@@ -154,23 +187,7 @@ _cogl_##type_name##_object_new (Cogl##TypeName *new_obj) \
obj->klass = &_cogl_##type_name##_class; \
if (!obj->klass->virt_free) \
{ \
- _cogl_object_##type_name##_count = 0; \
- \
- if (_cogl_debug_instances == NULL) \
- _cogl_debug_instances = \
- g_hash_table_new (g_str_hash, g_str_equal); \
- \
- obj->klass->virt_free = \
- _cogl_object_##type_name##_indirect_free; \
- obj->klass->virt_unref = \
- _cogl_object_default_unref; \
- obj->klass->name = "Cogl"#TypeName, \
- \
- g_hash_table_insert (_cogl_debug_instances, \
- (void *) obj->klass->name, \
- &_cogl_object_##type_name##_count); \
- \
- { code; } \
+ _cogl_object_##type_name##_class_init (); \
} \
\
_cogl_object_##type_name##_inc (); \
@@ -178,9 +195,29 @@ _cogl_##type_name##_object_new (Cogl##TypeName *new_obj) \
return new_obj; \
}
+#define COGL_OBJECT_DEFINE_WITH_CODE_GTYPE(TypeName, type_name, code) \
+ \
+COGL_OBJECT_COMMON_DEFINE_WITH_CODE(TypeName, \
+ type_name, \
+ do { code; } while (0); \
+ _COGL_GTYPE_INIT_CLASS (type_name)) \
+ \
+CoglBool \
+cogl_is_##type_name (void *object) \
+{ \
+ CoglObject *obj = object; \
+ \
+ if (object == NULL) \
+ return FALSE; \
+ \
+ return obj->klass == &_cogl_##type_name##_class; \
+}
+
#define COGL_OBJECT_DEFINE_WITH_CODE(TypeName, type_name, code) \
\
-COGL_OBJECT_COMMON_DEFINE_WITH_CODE(TypeName, type_name, code) \
+COGL_OBJECT_COMMON_DEFINE_WITH_CODE(TypeName, \
+ type_name, \
+ do { code; } while (0);) \
\
CoglBool \
cogl_is_##type_name (void *object) \
@@ -240,7 +277,7 @@ cogl_##type_name##_unref (void *object) \
}
#define COGL_OBJECT_DEFINE(TypeName, type_name) \
- COGL_OBJECT_DEFINE_WITH_CODE (TypeName, type_name, (void) 0)
+ COGL_OBJECT_DEFINE_WITH_CODE_GTYPE (TypeName, type_name, (void) 0)
#define COGL_OBJECT_INTERNAL_DEFINE(TypeName, type_name) \
COGL_OBJECT_INTERNAL_DEFINE_WITH_CODE (TypeName, type_name, (void) 0)
diff --git a/cogl/cogl-object.c b/cogl/cogl-object.c
index 9ae29f7..152f88a 100644
--- a/cogl/cogl-object.c
+++ b/cogl/cogl-object.c
@@ -33,6 +33,9 @@
#include "cogl-util.h"
#include "cogl-types.h"
#include "cogl-object-private.h"
+#include "cogl-gtype-private.h"
+
+COGL_GTYPE_DEFINE_BASE_CLASS (Object, object);
void *
cogl_object_ref (void *object)
diff --git a/cogl/cogl-object.h b/cogl/cogl-object.h
index a557f80..975e789 100644
--- a/cogl/cogl-object.h
+++ b/cogl/cogl-object.h
@@ -34,6 +34,17 @@ typedef struct _CoglObject CoglObject;
#define COGL_OBJECT(X) ((CoglObject *)X)
/**
+ * CoglObject:
+ *
+ * Ref Func: cogl_object_ref
+ * Unref Func: cogl_object_unref
+ * Set Value Func: cogl_object_value_set_object
+ * Get Value Func: cogl_object_value_get_object
+ */
+
+COGL_GTYPE_DECLARE_TYPE (object);
+
+/**
* cogl_object_ref: (skip)
* @object: a #CoglObject
*
diff --git a/cogl/cogl-types.h b/cogl/cogl-types.h
index 57e0e29..012fb38 100644
--- a/cogl/cogl-types.h
+++ b/cogl/cogl-types.h
@@ -149,6 +149,13 @@ typedef void * CoglHandle;
GType
cogl_handle_get_type (void) G_GNUC_CONST;
+#define COGL_GTYPE_DECLARE_TYPE(name) \
+ GType cogl_ ## name ## _get_gtype (void)
+
+#else
+
+#define COGL_GTYPE_DECLARE_TYPE(name)
+
#endif /* COGL_HAS_GTYPE_SUPPORT */
/**
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