e337bd2370
The debugging notes wrapping g_debug() already have an implicit newline at the end of the passed message.
157 lines
6.1 KiB
C
157 lines
6.1 KiB
C
/*
|
|
* Cogl
|
|
*
|
|
* An object oriented GL/GLES Abstraction/Utility Layer
|
|
*
|
|
* Copyright (C) 2008,2009 Intel Corporation.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifndef __COGL_HANDLE_H
|
|
#define __COGL_HANDLE_H
|
|
|
|
typedef struct _CoglHandleClass
|
|
{
|
|
GQuark type;
|
|
void *virt_free;
|
|
} CoglHandleClass;
|
|
|
|
/* All Cogl objects inherit from this base object by adding a member:
|
|
*
|
|
* CoglHandleObject _parent;
|
|
*
|
|
* at the top of its main structure. This structure is initialized
|
|
* when you call _cogl_#type_name#_handle_new (new_object);
|
|
*/
|
|
typedef struct _CoglHandleObject
|
|
{
|
|
guint ref_count;
|
|
CoglHandleClass *klass;
|
|
} CoglHandleObject;
|
|
|
|
/* Helper macro to encapsulate the common code for COGL reference
|
|
counted handles */
|
|
|
|
#ifdef COGL_HANDLE_DEBUG
|
|
|
|
#define _COGL_HANDLE_DEBUG_NEW(type_name, obj) \
|
|
COGL_NOTE (HANDLE, "COGL " G_STRINGIFY (type_name) " NEW %p %i", \
|
|
(obj), (obj)->ref_count)
|
|
|
|
#define _COGL_HANDLE_DEBUG_REF(type_name, handle) G_STMT_START { \
|
|
CoglHandleObject *__obj = (CoglHandleObject *)handle; \
|
|
COGL_NOTE (HANDLE, "COGL %s REF %p %i", \
|
|
g_quark_to_string ((__obj)->klass->type), \
|
|
(__obj), (__obj)->ref_count); } G_STMT_END
|
|
|
|
#define _COGL_HANDLE_DEBUG_UNREF(type_name, handle) G_STMT_START { \
|
|
CoglHandleObject *__obj = (CoglHandleObject *)handle; \
|
|
COGL_NOTE (HANDLE, "COGL %s UNREF %p %i", \
|
|
g_quark_to_string ((__obj)->klass->type), \
|
|
(__obj), (__obj)->ref_count - 1); } G_STMT_END
|
|
|
|
#define COGL_HANDLE_DEBUG_FREE(obj) \
|
|
COGL_NOTE (HANDLE, "COGL %s FREE %p", \
|
|
g_quark_to_string ((obj)->klass->type), (obj))
|
|
|
|
#else /* !COGL_HANDLE_DEBUG */
|
|
|
|
#define _COGL_HANDLE_DEBUG_NEW(type_name, obj)
|
|
#define _COGL_HANDLE_DEBUG_REF(type_name, obj)
|
|
#define _COGL_HANDLE_DEBUG_UNREF(type_name, obj)
|
|
#define COGL_HANDLE_DEBUG_FREE(obj)
|
|
|
|
#endif /* COGL_HANDLE_DEBUG */
|
|
|
|
#define COGL_HANDLE_DEFINE(TypeName, type_name) \
|
|
\
|
|
static CoglHandleClass _cogl_##type_name##_class; \
|
|
\
|
|
GQuark \
|
|
_cogl_handle_##type_name##_get_type (void) \
|
|
{ \
|
|
static GQuark type = 0; \
|
|
if (!type) \
|
|
type = g_quark_from_static_string ("Cogl"#TypeName); \
|
|
return type; \
|
|
} \
|
|
\
|
|
static CoglHandle \
|
|
_cogl_##type_name##_handle_new (Cogl##TypeName *new_obj) \
|
|
{ \
|
|
CoglHandleObject *obj = (CoglHandleObject *)&new_obj->_parent;\
|
|
obj->ref_count = 1; \
|
|
\
|
|
obj->klass = &_cogl_##type_name##_class; \
|
|
if (!obj->klass->type) \
|
|
{ \
|
|
obj->klass->type = _cogl_handle_##type_name##_get_type ();\
|
|
obj->klass->virt_free = _cogl_##type_name##_free; \
|
|
} \
|
|
\
|
|
_COGL_HANDLE_DEBUG_NEW (TypeName, obj); \
|
|
return (CoglHandle) new_obj; \
|
|
} \
|
|
\
|
|
Cogl##TypeName * \
|
|
_cogl_##type_name##_pointer_from_handle (CoglHandle handle) \
|
|
{ \
|
|
return (Cogl##TypeName *) handle; \
|
|
} \
|
|
\
|
|
gboolean \
|
|
cogl_is_##type_name (CoglHandle handle) \
|
|
{ \
|
|
CoglHandleObject *obj = (CoglHandleObject *)handle; \
|
|
\
|
|
if (handle == COGL_INVALID_HANDLE) \
|
|
return FALSE; \
|
|
\
|
|
return (obj->klass->type == \
|
|
_cogl_handle_##type_name##_get_type ()); \
|
|
} \
|
|
\
|
|
CoglHandle G_GNUC_DEPRECATED \
|
|
cogl_##type_name##_ref (CoglHandle handle) \
|
|
{ \
|
|
if (!cogl_is_##type_name (handle)) \
|
|
return COGL_INVALID_HANDLE; \
|
|
\
|
|
_COGL_HANDLE_DEBUG_REF (TypeName, handle); \
|
|
\
|
|
cogl_handle_ref (handle); \
|
|
\
|
|
return handle; \
|
|
} \
|
|
\
|
|
void G_GNUC_DEPRECATED \
|
|
cogl_##type_name##_unref (CoglHandle handle) \
|
|
{ \
|
|
if (!cogl_is_##type_name (handle)) \
|
|
{ \
|
|
g_warning (G_STRINGIFY (cogl_##type_name##_unref) \
|
|
": Ignoring unref of Cogl handle " \
|
|
"due to type mismatch"); \
|
|
return; \
|
|
} \
|
|
\
|
|
_COGL_HANDLE_DEBUG_UNREF (TypeName, handle); \
|
|
\
|
|
cogl_handle_unref (handle); \
|
|
}
|
|
|
|
#endif /* __COGL_HANDLE_H */
|