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In the purely paint node based rendering future, ClutterEffects simply add more paint nodes to the tree when painting the actor. This is the leap to achieve that future. Add paint nodes to pre_paint, paint, and post_paint, and move the ClutterEffectNode creation to _clutter_effect_paint(). Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1355>
143 lines
5.1 KiB
C
143 lines
5.1 KiB
C
/*
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* Clutter.
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*
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* An OpenGL based 'interactive canvas' library.
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*
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* Copyright (C) 2010 Intel Corporation.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Author:
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* Emmanuele Bassi <ebassi@linux.intel.com>
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*/
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#ifndef __CLUTTER_EFFECT_H__
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#define __CLUTTER_EFFECT_H__
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#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
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#error "Only <clutter/clutter.h> can be included directly."
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#endif
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#include <clutter/clutter-actor-meta.h>
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#include <clutter/clutter-paint-context.h>
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#include <clutter/clutter-pick-context.h>
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_EFFECT (clutter_effect_get_type ())
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#define CLUTTER_EFFECT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_EFFECT, ClutterEffect))
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#define CLUTTER_IS_EFFECT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_EFFECT))
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#define CLUTTER_EFFECT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_EFFECT, ClutterEffectClass))
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#define CLUTTER_IS_EFFECT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_EFFECT))
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#define CLUTTER_EFFECT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_EFFECT, ClutterEffectClass))
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typedef struct _ClutterEffectClass ClutterEffectClass;
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/**
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* ClutterEffect:
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*
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* The #ClutterEffect structure contains only private data and should
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* be accessed using the provided API
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*
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* Since: 1.4
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*/
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struct _ClutterEffect
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{
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/*< private >*/
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ClutterActorMeta parent_instance;
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};
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/**
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* ClutterEffectClass:
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* @pre_paint: virtual function
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* @post_paint: virtual function
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* @modify_paint_volume: virtual function
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* @paint: virtual function
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* @pick: virtual function
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*
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* The #ClutterEffectClass structure contains only private data
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*
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* Since: 1.4
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*/
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struct _ClutterEffectClass
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{
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/*< private >*/
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ClutterActorMetaClass parent_class;
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/*< public >*/
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gboolean (* pre_paint) (ClutterEffect *effect,
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ClutterPaintNode *node,
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ClutterPaintContext *paint_context);
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void (* post_paint) (ClutterEffect *effect,
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ClutterPaintNode *node,
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ClutterPaintContext *paint_context);
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gboolean (* modify_paint_volume) (ClutterEffect *effect,
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ClutterPaintVolume *volume);
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void (* paint) (ClutterEffect *effect,
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ClutterPaintNode *node,
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ClutterPaintContext *paint_context,
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ClutterEffectPaintFlags flags);
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void (* paint_node) (ClutterEffect *effect,
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ClutterPaintNode *node,
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ClutterPaintContext *paint_context,
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ClutterEffectPaintFlags flags);
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void (* pick) (ClutterEffect *effect,
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ClutterPickContext *pick_context);
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/*< private >*/
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void (* _clutter_effect4) (void);
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void (* _clutter_effect5) (void);
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void (* _clutter_effect6) (void);
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};
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CLUTTER_EXPORT
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GType clutter_effect_get_type (void) G_GNUC_CONST;
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CLUTTER_EXPORT
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void clutter_effect_queue_repaint (ClutterEffect *effect);
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/*
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* ClutterActor API
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*/
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CLUTTER_EXPORT
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void clutter_actor_add_effect (ClutterActor *self,
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ClutterEffect *effect);
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CLUTTER_EXPORT
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void clutter_actor_add_effect_with_name (ClutterActor *self,
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const gchar *name,
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ClutterEffect *effect);
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CLUTTER_EXPORT
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void clutter_actor_remove_effect (ClutterActor *self,
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ClutterEffect *effect);
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CLUTTER_EXPORT
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void clutter_actor_remove_effect_by_name (ClutterActor *self,
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const gchar *name);
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CLUTTER_EXPORT
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GList * clutter_actor_get_effects (ClutterActor *self);
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CLUTTER_EXPORT
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ClutterEffect *clutter_actor_get_effect (ClutterActor *self,
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const gchar *name);
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CLUTTER_EXPORT
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void clutter_actor_clear_effects (ClutterActor *self);
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CLUTTER_EXPORT
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gboolean clutter_actor_has_effects (ClutterActor *self);
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G_END_DECLS
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#endif /* __CLUTTER_EFFECT_H__ */
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