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6b29371db3
The commit also moves certain functions from the private header as they are not used anywhere else and removes COGL_EXPORT when the function is supposed to be private and is not used outside of cogl Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3437>
94 lines
3.3 KiB
C
94 lines
3.3 KiB
C
/*
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* Cogl
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*
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* A Low Level GPU Graphics and Utilities API
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*
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* Copyright (C) 2008,2009,2010 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* 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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* Authors:
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* Robert Bragg <robert@linux.intel.com>
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*/
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#pragma once
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#include "cogl/cogl-list.h"
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typedef struct _CoglNodeClass CoglNodeClass;
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typedef struct _CoglNode CoglNode;
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/* Pipelines and layers represent their state in a tree structure where
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* some of the state relating to a given pipeline or layer may actually
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* be owned by one if is ancestors in the tree. We have a common data
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* type to track the tree hierarchy so we can share code... */
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struct _CoglNode
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{
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GObject parent_instance;
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/* The parent pipeline/layer */
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CoglNode *parent;
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/* The list entry here contains pointers to the node's siblings */
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CoglList link;
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/* List of children */
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CoglList children;
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/* TRUE if the node took a strong reference on its parent. Weak
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* pipelines for instance don't take a reference on their parent. */
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gboolean has_parent_reference;
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};
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struct _CoglNodeClass
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{
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GObjectClass parent_class;
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};
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#define COGL_TYPE_NODE (cogl_node_get_type ())
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#define COGL_NODE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), COGL_TYPE_NODE, CoglNode))
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#define COGL_NODE_CONST(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), COGL_TYPE_NODE, CoglNode const))
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#define COGL_NODE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), COGL_TYPE_NODE, CoglNodeClass))
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#define COGL_IS_NODE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), COGL_TYPE_NODE))
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#define COGL_IS_NODE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), COGL_TYPE_NODE))
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#define COGL_NODE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), COGL_TYPE_NODE, CoglNodeClass))
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G_DEFINE_AUTOPTR_CLEANUP_FUNC (CoglNode, g_object_unref)
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GType cogl_node_get_type (void) G_GNUC_CONST;
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void
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_cogl_pipeline_node_set_parent_real (CoglNode *node,
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CoglNode *parent,
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gboolean take_strong_reference);
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void
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_cogl_pipeline_node_unparent_real (CoglNode *node);
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typedef gboolean (*CoglNodeChildCallback) (CoglNode *child, void *user_data);
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void
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_cogl_pipeline_node_foreach_child (CoglNode *node,
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CoglNodeChildCallback callback,
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void *user_data);
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