mirror of
https://github.com/brl/mutter.git
synced 2024-11-25 09:30:45 -05:00
86 lines
2.6 KiB
C
86 lines
2.6 KiB
C
|
/*
|
||
|
|
* Cogl
|
||
|
|
*
|
||
|
|
* An object oriented GL/GLES Abstraction/Utility Layer
|
||
|
|
*
|
||
|
|
* Copyright (C) 2008,2009,2010 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, see
|
||
|
|
* <http://www.gnu.org/licenses/>.
|
||
|
|
*
|
||
|
|
*
|
||
|
|
*
|
||
|
|
* Authors:
|
||
|
|
* Robert Bragg <robert@linux.intel.com>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __COGL_NODE_PRIVATE_H
|
||
|
|
#define __COGL_NODE_PRIVATE_H
|
||
|
|
|
||
|
|
#include "cogl-object-private.h"
|
||
|
|
#include "cogl-queue.h"
|
||
|
|
|
||
|
|
typedef struct _CoglNode CoglNode;
|
||
|
|
|
||
|
|
COGL_LIST_HEAD (CoglNodeList, CoglNode);
|
||
|
|
|
||
|
|
/* Pipelines and layers represent their state in a tree structure where
|
||
|
|
* some of the state relating to a given pipeline or layer may actually
|
||
|
|
* be owned by one if is ancestors in the tree. We have a common data
|
||
|
|
* type to track the tree heirachy so we can share code... */
|
||
|
|
struct _CoglNode
|
||
|
|
{
|
||
|
|
/* the parent in terms of class hierarchy, so anything inheriting
|
||
|
|
* from CoglNode also inherits from CoglObject. */
|
||
|
|
CoglObject _parent;
|
||
|
|
|
||
|
|
/* The parent pipeline/layer */
|
||
|
|
CoglNode *parent;
|
||
|
|
|
||
|
|
/* The list entry here contains pointers to the node's siblings */
|
||
|
|
COGL_LIST_ENTRY (CoglNode) list_node;
|
||
|
|
|
||
|
|
/* List of children */
|
||
|
|
CoglNodeList children;
|
||
|
|
|
||
|
|
/* TRUE if the node took a strong reference on its parent. Weak
|
||
|
|
* pipelines for instance don't take a reference on their parent. */
|
||
|
|
gboolean has_parent_reference;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define COGL_NODE(X) ((CoglNode *)(X))
|
||
|
|
|
||
|
|
void
|
||
|
|
_cogl_pipeline_node_init (CoglNode *node);
|
||
|
|
|
||
|
|
typedef void (*CoglNodeUnparentVFunc) (CoglNode *node);
|
||
|
|
|
||
|
|
void
|
||
|
|
_cogl_pipeline_node_set_parent_real (CoglNode *node,
|
||
|
|
CoglNode *parent,
|
||
|
|
CoglNodeUnparentVFunc unparent,
|
||
|
|
gboolean take_strong_reference);
|
||
|
|
|
||
|
|
void
|
||
|
|
_cogl_pipeline_node_unparent_real (CoglNode *node);
|
||
|
|
|
||
|
|
typedef gboolean (*CoglNodeChildCallback) (CoglNode *child, void *user_data);
|
||
|
|
|
||
|
|
void
|
||
|
|
_cogl_pipeline_node_foreach_child (CoglNode *node,
|
||
|
|
CoglNodeChildCallback callback,
|
||
|
|
void *user_data);
|
||
|
|
|
||
|
|
#endif /* __COGL_NODE_PRIVATE_H */
|