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  • Committer: Rui Matos
  • Date: 2016-04-27 16:36:25 UTC
  • mfrom: (0.87.3184)
  • Revision ID: git-v1:3fcbe1d3ec5c9208dde080f7e9dac24e4c379bc0
Merge cogl's cogl-1.22 branch into mutter

https://bugzilla.gnome.org/show_bug.cgi?id=760439

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/*
 
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 * Cogl
 
3
 *
 
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 * A Low Level GPU Graphics and Utilities API
 
5
 *
 
6
 * Copyright (C) 2010 Intel Corporation.
 
7
 *
 
8
 * Permission is hereby granted, free of charge, to any person
 
9
 * obtaining a copy of this software and associated documentation
 
10
 * files (the "Software"), to deal in the Software without
 
11
 * restriction, including without limitation the rights to use, copy,
 
12
 * modify, merge, publish, distribute, sublicense, and/or sell copies
 
13
 * of the Software, and to permit persons to whom the Software is
 
14
 * furnished to do so, subject to the following conditions:
 
15
 *
 
16
 * The above copyright notice and this permission notice shall be
 
17
 * included in all copies or substantial portions of the Software.
 
18
 *
 
19
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 
20
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 
21
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 
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 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 
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 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 
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 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 
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 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 
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 * SOFTWARE.
 
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 *
 
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 *
 
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 */
 
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#ifndef __COGL_GTYPE_PRIVATE_H__
 
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#define __COGL_GTYPE_PRIVATE_H__
 
33
 
 
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#include "config.h"
 
35
 
 
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#include <glib.h>
 
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#include <glib-object.h>
 
38
 
 
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#include "cogl-object-private.h"
 
40
 
 
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/* Move this to public headers? */
 
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typedef struct _CoglGtypeObject CoglGtypeObject;
 
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typedef struct _CoglGtypeClass  CoglGtypeClass;
 
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struct _CoglGtypeObject
 
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{
 
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  GTypeInstance parent_instance;
 
48
 
 
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  guint dummy;
 
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};
 
51
 
 
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struct _CoglGtypeClass
 
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{
 
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  GTypeClass base_class;
 
55
 
 
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  guint dummy;
 
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};
 
58
 
 
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#define I_(str)  (g_intern_static_string ((str)))
 
60
 
 
61
/**/
 
62
 
 
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#define COGL_GTYPE_DEFINE_BOXED(Name,underscore_name,copy_func,free_func) \
 
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GType \
 
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cogl_##underscore_name##_get_gtype (void) \
 
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{ \
 
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   static volatile size_t type_volatile = 0; \
 
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   if (g_once_init_enter (&type_volatile)) \
 
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     { \
 
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       GType type = \
 
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         g_boxed_type_register_static (g_intern_static_string (I_("Cogl" # Name)), \
 
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                                       (GBoxedCopyFunc)copy_func, \
 
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                                       (GBoxedFreeFunc)free_func); \
 
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       g_once_init_leave (&type_volatile, type); \
 
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     } \
 
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   return type_volatile; \
 
77
}
 
78
 
 
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#define COGL_GTYPE_IMPLEMENT_INTERFACE(name) {                          \
 
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    const GInterfaceInfo g_implement_interface_info = {                 \
 
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      (GInterfaceInitFunc) _cogl_gtype_dummy_iface_init, NULL, NULL     \
 
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    };                                                                  \
 
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    g_type_add_interface_static (fundamental_type_id,                   \
 
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                                 cogl_##name##_get_gtype(),         \
 
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                                 &g_implement_interface_info);          \
 
86
  }
 
87
 
 
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#define _COGL_GTYPE_DEFINE_BASE_CLASS_BEGIN(Name,name)                  \
 
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GType                                                                   \
 
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cogl_##name##_get_gtype (void)                                      \
 
91
{                                                                       \
 
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  static volatile gsize type_id__volatile = 0;                          \
 
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  if (g_once_init_enter (&type_id__volatile))                           \
 
94
    {                                                                   \
 
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      static const GTypeFundamentalInfo finfo = {                       \
 
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        (G_TYPE_FLAG_CLASSED |                                          \
 
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         G_TYPE_FLAG_INSTANTIATABLE |                                   \
 
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         G_TYPE_FLAG_DERIVABLE |                                        \
 
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         G_TYPE_FLAG_DEEP_DERIVABLE),                                   \
 
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      };                                                                \
 
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      static const GTypeValueTable value_table = {                      \
 
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        _cogl_gtype_object_init_value,                                  \
 
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        _cogl_gtype_object_free_value,                                  \
 
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        _cogl_gtype_object_copy_value,                                  \
 
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        _cogl_gtype_object_peek_pointer,                                \
 
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        "p",                                                            \
 
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        _cogl_gtype_object_collect_value,                               \
 
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        "p",                                                            \
 
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        _cogl_gtype_object_lcopy_value,                                 \
 
110
      };                                                                \
 
111
      const GTypeInfo node_info = {                                     \
 
112
        sizeof (CoglObjectClass),                                       \
 
113
        (GBaseInitFunc) _cogl_gtype_object_class_base_init,             \
 
114
        (GBaseFinalizeFunc) _cogl_gtype_object_class_base_finalize,     \
 
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        (GClassInitFunc) _cogl_gtype_object_class_init,                 \
 
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        (GClassFinalizeFunc) NULL,                                      \
 
117
        NULL,                                                           \
 
118
        sizeof (CoglObject),                                            \
 
119
        0,                                                              \
 
120
        (GInstanceInitFunc) _cogl_gtype_object_init,                    \
 
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        &value_table,                                                   \
 
122
      };                                                                \
 
123
      GType fundamental_type_id =                                       \
 
124
        g_type_register_fundamental (g_type_fundamental_next (),        \
 
125
                                     I_("Cogl" # Name),                 \
 
126
                                     &node_info, &finfo,                \
 
127
                                     G_TYPE_FLAG_ABSTRACT);             \
 
128
      g_once_init_leave (&type_id__volatile,                            \
 
129
                         fundamental_type_id);
 
130
 
 
131
#define _COGL_GTYPE_DEFINE_BASE_CLASS_END()                             \
 
132
    }                                                                   \
 
133
    return type_id__volatile;                                           \
 
134
  }
 
135
 
 
136
#define COGL_GTYPE_DEFINE_BASE_CLASS(Name,name,...)      \
 
137
  _COGL_GTYPE_DEFINE_BASE_CLASS_BEGIN(Name,name)         \
 
138
  {__VA_ARGS__;}                                         \
 
139
  _COGL_GTYPE_DEFINE_BASE_CLASS_END()
 
140
 
 
141
#define _COGL_GTYPE_DEFINE_INTERFACE_EXTENDED_BEGIN(Name,name)          \
 
142
                                                                        \
 
143
  static void name##_default_init (Name##Interface *klass);             \
 
144
  GType                                                                 \
 
145
  name##_get_gtype (void)                                               \
 
146
  {                                                                     \
 
147
    static volatile gsize type_id__volatile = 0;                        \
 
148
    if (g_once_init_enter (&type_id__volatile))                         \
 
149
      {                                                                 \
 
150
        GType fundamental_type_id =                                     \
 
151
          g_type_register_static_simple (G_TYPE_INTERFACE,              \
 
152
                                         g_intern_static_string (#Name), \
 
153
                                         sizeof (Name##Interface),    \
 
154
                                         (GClassInitFunc)name##_default_init, \
 
155
                                         0,                             \
 
156
                                         (GInstanceInitFunc)NULL,       \
 
157
                                         (GTypeFlags) 0);               \
 
158
        g_type_interface_add_prerequisite (fundamental_type_id,         \
 
159
                                           cogl_object_get_gtype());    \
 
160
        { /* custom code follows */
 
161
 
 
162
#define _COGL_GTYPE_DEFINE_INTERFACE_EXTENDED_END()                     \
 
163
  /* following custom code */                                           \
 
164
  }                                                                     \
 
165
    g_once_init_leave (&type_id__volatile,                              \
 
166
                       fundamental_type_id);                            \
 
167
    }                                                                   \
 
168
    return type_id__volatile;                                           \
 
169
    } /* closes name##_get_type() */
 
170
 
 
171
 
 
172
#define COGL_GTYPE_DEFINE_INTERFACE(Name,name)                          \
 
173
  typedef struct _Cogl##Name##Iface Cogl##Name##Iface;                  \
 
174
  typedef Cogl##Name##Iface  Cogl##Name##Interface;                     \
 
175
  struct _Cogl##Name##Iface                                             \
 
176
  {                                                                     \
 
177
    /*< private >*/                                                     \
 
178
    GTypeInterface g_iface;                                             \
 
179
  };                                                                    \
 
180
  _COGL_GTYPE_DEFINE_INTERFACE_EXTENDED_BEGIN (Cogl##Name, cogl_##name) \
 
181
  _COGL_GTYPE_DEFINE_INTERFACE_EXTENDED_END ()                          \
 
182
  static void                                                           \
 
183
  cogl_##name##_default_init (Cogl##Name##Interface *iface)             \
 
184
  {                                                                     \
 
185
  }
 
186
 
 
187
#define _COGL_GTYPE_DEFINE_TYPE_EXTENDED_BEGIN(Name,name,parent,flags)  \
 
188
                                                                        \
 
189
  static void     name##_init              (Name        *self);         \
 
190
  static void     name##_class_init        (Name##Class *klass);        \
 
191
  static gpointer name##_parent_class = NULL;                           \
 
192
  static gint     Name##_private_offset;                                \
 
193
                                                                        \
 
194
  static void                                                           \
 
195
  name##_class_intern_init (gpointer klass)                             \
 
196
  {                                                                     \
 
197
    name##_parent_class = g_type_class_peek_parent (klass);             \
 
198
    name##_class_init ((Name##Class*) klass);                           \
 
199
  }                                                                     \
 
200
                                                                        \
 
201
  static inline gpointer                                                \
 
202
  name##_get_instance_private (Name *self)                              \
 
203
    {                                                                   \
 
204
      return (G_STRUCT_MEMBER_P (self, Name ##_private_offset));        \
 
205
    }                                                                   \
 
206
                                                                        \
 
207
  GType                                                                 \
 
208
  name##_get_gtype (void)                                               \
 
209
  {                                                                     \
 
210
    static volatile gsize type_id__volatile = 0;                        \
 
211
    if (g_once_init_enter (&type_id__volatile))                         \
 
212
      {                                                                 \
 
213
        GType fundamental_type_id =                                     \
 
214
          g_type_register_static_simple (parent,                        \
 
215
                                         g_intern_static_string (#Name), \
 
216
                                         sizeof (Name##Class),          \
 
217
                                         (GClassInitFunc) name##_class_intern_init, \
 
218
                                         sizeof (Name),                 \
 
219
                                         (GInstanceInitFunc) name##_init, \
 
220
                                         (GTypeFlags) flags);           \
 
221
        { /* custom code follows */
 
222
 
 
223
#define _COGL_GTYPE_DEFINE_TYPE_EXTENDED_END()                          \
 
224
  /* following custom code */                                           \
 
225
  }                                                                     \
 
226
    g_once_init_leave (&type_id__volatile,                              \
 
227
                       fundamental_type_id);                            \
 
228
    }                                                                   \
 
229
    return type_id__volatile;                                           \
 
230
    } /* closes name##_get_type() */
 
231
 
 
232
 
 
233
#define COGL_GTYPE_DEFINE_CLASS(Name,name,...)                          \
 
234
  typedef struct _Cogl##Name##Class Cogl##Name##Class;                  \
 
235
  struct _Cogl##Name##Class {                                           \
 
236
    CoglObjectClass parent_class;                                       \
 
237
  };                                                                    \
 
238
  _COGL_GTYPE_DEFINE_TYPE_EXTENDED_BEGIN(Cogl##Name,                    \
 
239
                                         cogl_##name,                   \
 
240
                                         cogl_object_get_gtype(),       \
 
241
                                         0)                             \
 
242
  {__VA_ARGS__;}                                                        \
 
243
  _COGL_GTYPE_DEFINE_TYPE_EXTENDED_END()                                \
 
244
  static void                                                           \
 
245
  cogl_##name##_init (Cogl##Name *instance)                             \
 
246
  {                                                                     \
 
247
  }                                                                     \
 
248
  static void                                                           \
 
249
  cogl_##name##_class_init (Cogl##Name##Class *klass)                   \
 
250
  {                                                                     \
 
251
  }
 
252
 
 
253
void _cogl_gtype_object_init_value (GValue *value);
 
254
void _cogl_gtype_object_free_value (GValue *value);
 
255
void _cogl_gtype_object_copy_value (const GValue *src,
 
256
                                    GValue       *dst);
 
257
gpointer _cogl_gtype_object_peek_pointer (const GValue *value);
 
258
gchar *_cogl_gtype_object_collect_value (GValue      *value,
 
259
                                         guint        n_collect_values,
 
260
                                         GTypeCValue *collect_values,
 
261
                                         guint        collect_flags);
 
262
gchar *_cogl_gtype_object_lcopy_value (const GValue *value,
 
263
                                       guint         n_collect_values,
 
264
                                       GTypeCValue  *collect_values,
 
265
                                       guint         collect_flags);
 
266
 
 
267
void _cogl_gtype_object_class_base_init (CoglObjectClass *klass);
 
268
void _cogl_gtype_object_class_base_finalize (CoglObjectClass *klass);
 
269
void _cogl_gtype_object_class_init (CoglObjectClass *klass);
 
270
void _cogl_gtype_object_init (CoglObject *object);
 
271
 
 
272
void cogl_object_value_set_object (GValue   *value,
 
273
                                   gpointer  object);
 
274
gpointer cogl_object_value_get_object (const GValue *value);
 
275
 
 
276
void _cogl_gtype_dummy_iface_init (gpointer iface);
 
277
 
 
278
#endif /* __COGL_GTYPE_PRIVATE_H__ */