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122 lines
4.4 KiB
C
122 lines
4.4 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_SHADER_EFFECT_H__
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#define __CLUTTER_SHADER_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-offscreen-effect.h>
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_SHADER_EFFECT (clutter_shader_effect_get_type ())
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#define CLUTTER_SHADER_EFFECT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_SHADER_EFFECT, ClutterShaderEffect))
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#define CLUTTER_IS_SHADER_EFFECT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_SHADER_EFFECT))
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#define CLUTTER_SHADER_EFFECT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_SHADER_EFFECT, ClutterShaderEffectClass))
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#define CLUTTER_IS_SHADER_EFFECT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_SHADER_EFFECT))
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#define CLUTTER_SHADER_EFFECT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_SHADER_EFFECT, ClutterShaderEffectClass))
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typedef struct _ClutterShaderEffect ClutterShaderEffect;
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typedef struct _ClutterShaderEffectPrivate ClutterShaderEffectPrivate;
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typedef struct _ClutterShaderEffectClass ClutterShaderEffectClass;
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/**
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* ClutterShaderEffect:
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*
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* The #ClutterShaderEffect structure contains
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* only private data 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 _ClutterShaderEffect
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{
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/*< private >*/
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ClutterOffscreenEffect parent_instance;
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ClutterShaderEffectPrivate *priv;
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};
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/**
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* ClutterShaderEffectClass:
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* @get_static_shader_source: Returns the GLSL source code to use for
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* instances of this shader effect. Note that this function is only
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* called once per subclass of #ClutterShaderEffect regardless of how
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* many instances are used. It is expected that subclasses will return
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* a copy of a static string from this function.
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*
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* The #ClutterShaderEffectClass structure contains
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* only private data
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*
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* Since: 1.4
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*/
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struct _ClutterShaderEffectClass
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{
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/*< private >*/
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ClutterOffscreenEffectClass parent_class;
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/*< public >*/
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gchar * (* get_static_shader_source) (ClutterShaderEffect *effect);
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/*< private >*/
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/* padding */
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void (*_clutter_shader1) (void);
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void (*_clutter_shader2) (void);
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void (*_clutter_shader3) (void);
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void (*_clutter_shader4) (void);
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void (*_clutter_shader5) (void);
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};
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CLUTTER_EXPORT
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GType clutter_shader_effect_get_type (void) G_GNUC_CONST;
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CLUTTER_EXPORT
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ClutterEffect * clutter_shader_effect_new (ClutterShaderType shader_type);
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CLUTTER_EXPORT
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gboolean clutter_shader_effect_set_shader_source (ClutterShaderEffect *effect,
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const gchar *source);
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CLUTTER_EXPORT
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void clutter_shader_effect_set_uniform (ClutterShaderEffect *effect,
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const gchar *name,
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GType gtype,
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gsize n_values,
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...);
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CLUTTER_EXPORT
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void clutter_shader_effect_set_uniform_value (ClutterShaderEffect *effect,
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const gchar *name,
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const GValue *value);
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CLUTTER_EXPORT
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CoglHandle clutter_shader_effect_get_shader (ClutterShaderEffect *effect);
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CLUTTER_EXPORT
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CoglHandle clutter_shader_effect_get_program (ClutterShaderEffect *effect);
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G_END_DECLS
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#endif /* __CLUTTER_SHADER_EFFECT_H__ */
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