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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>
124 lines
4.7 KiB
C
124 lines
4.7 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_OFFSCREEN_EFFECT_H__
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#define __CLUTTER_OFFSCREEN_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 <cogl/cogl.h>
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#include <clutter/clutter-effect.h>
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_OFFSCREEN_EFFECT (clutter_offscreen_effect_get_type ())
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#define CLUTTER_OFFSCREEN_EFFECT(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), CLUTTER_TYPE_OFFSCREEN_EFFECT, ClutterOffscreenEffect))
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#define CLUTTER_IS_OFFSCREEN_EFFECT(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), CLUTTER_TYPE_OFFSCREEN_EFFECT))
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#define CLUTTER_OFFSCREEN_EFFECT_CLASS(k) (G_TYPE_CHECK_CLASS_CAST ((k), CLUTTER_TYPE_OFFSCREEN_EFFECT, ClutterOffscreenEffectClass))
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#define CLUTTER_IS_OFFSCREEN_EFFECT_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), CLUTTER_TYPE_OFFSCREEN_EFFECT))
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#define CLUTTER_OFFSCREEN_EFFECT_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), CLUTTER_TYPE_OFFSCREEN_EFFECT, ClutterOffscreenEffectClass))
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typedef struct _ClutterOffscreenEffect ClutterOffscreenEffect;
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typedef struct _ClutterOffscreenEffectPrivate ClutterOffscreenEffectPrivate;
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typedef struct _ClutterOffscreenEffectClass ClutterOffscreenEffectClass;
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/**
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* ClutterOffscreenEffect:
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*
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* The #ClutterOffscreenEffect structure contains only private data
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* and should 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 _ClutterOffscreenEffect
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{
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/*< private >*/
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ClutterEffect parent_instance;
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ClutterOffscreenEffectPrivate *priv;
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};
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/**
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* ClutterOffscreenEffectClass:
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* @create_texture: virtual function
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* @paint_target: virtual function
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*
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* The #ClutterOffscreenEffectClass 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 _ClutterOffscreenEffectClass
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{
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/*< private >*/
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ClutterEffectClass parent_class;
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/*< public >*/
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CoglHandle (* create_texture) (ClutterOffscreenEffect *effect,
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gfloat width,
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gfloat height);
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CoglPipeline* (* create_pipeline) (ClutterOffscreenEffect *effect,
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CoglTexture *texture);
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void (* paint_target) (ClutterOffscreenEffect *effect,
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ClutterPaintNode *node,
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ClutterPaintContext *paint_context);
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/*< private >*/
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void (* _clutter_offscreen1) (void);
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void (* _clutter_offscreen2) (void);
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void (* _clutter_offscreen3) (void);
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void (* _clutter_offscreen4) (void);
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void (* _clutter_offscreen5) (void);
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void (* _clutter_offscreen6) (void);
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void (* _clutter_offscreen7) (void);
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};
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CLUTTER_EXPORT
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GType clutter_offscreen_effect_get_type (void) G_GNUC_CONST;
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CLUTTER_EXPORT
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CoglPipeline * clutter_offscreen_effect_get_pipeline (ClutterOffscreenEffect *effect);
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CLUTTER_EXPORT
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CoglHandle clutter_offscreen_effect_get_texture (ClutterOffscreenEffect *effect);
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CLUTTER_EXPORT
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void clutter_offscreen_effect_paint_target (ClutterOffscreenEffect *effect,
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ClutterPaintNode *node,
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ClutterPaintContext *paint_context);
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CLUTTER_EXPORT
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CoglHandle clutter_offscreen_effect_create_texture (ClutterOffscreenEffect *effect,
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gfloat width,
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gfloat height);
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CLUTTER_EXPORT
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gboolean clutter_offscreen_effect_get_target_size (ClutterOffscreenEffect *effect,
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gfloat *width,
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gfloat *height);
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G_END_DECLS
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#endif /* __CLUTTER_OFFSCREEN_EFFECT_H__ */
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