02b69e4d76
GCC has some optimization for the inclusion guard, but they only work if the check is the outermost one. We're fairly inconsistent because of historical reasons, so we should ensure that we follow the same pattern in every public header.
122 lines
4.5 KiB
C
122 lines
4.5 KiB
C
/*
|
|
* Clutter.
|
|
*
|
|
* An OpenGL based 'interactive canvas' library.
|
|
*
|
|
* Copyright (C) 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/>.
|
|
*
|
|
* Author:
|
|
* Emmanuele Bassi <ebassi@linux.intel.com>
|
|
*/
|
|
|
|
#ifndef __CLUTTER_SHADER_EFFECT_H__
|
|
#define __CLUTTER_SHADER_EFFECT_H__
|
|
|
|
#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
|
|
#error "Only <clutter/clutter.h> can be included directly."
|
|
#endif
|
|
|
|
#include <clutter/clutter-offscreen-effect.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define CLUTTER_TYPE_SHADER_EFFECT (clutter_shader_effect_get_type ())
|
|
#define CLUTTER_SHADER_EFFECT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_SHADER_EFFECT, ClutterShaderEffect))
|
|
#define CLUTTER_IS_SHADER_EFFECT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_SHADER_EFFECT))
|
|
#define CLUTTER_SHADER_EFFECT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_SHADER_EFFECT, ClutterShaderEffectClass))
|
|
#define CLUTTER_IS_SHADER_EFFECT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_SHADER_EFFECT))
|
|
#define CLUTTER_SHADER_EFFECT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_SHADER_EFFECT, ClutterShaderEffectClass))
|
|
|
|
typedef struct _ClutterShaderEffect ClutterShaderEffect;
|
|
typedef struct _ClutterShaderEffectPrivate ClutterShaderEffectPrivate;
|
|
typedef struct _ClutterShaderEffectClass ClutterShaderEffectClass;
|
|
|
|
/**
|
|
* ClutterShaderEffect:
|
|
*
|
|
* The #ClutterShaderEffect structure contains
|
|
* only private data and should be accessed using the provided API
|
|
*
|
|
* Since: 1.4
|
|
*/
|
|
struct _ClutterShaderEffect
|
|
{
|
|
/*< private >*/
|
|
ClutterOffscreenEffect parent_instance;
|
|
|
|
ClutterShaderEffectPrivate *priv;
|
|
};
|
|
|
|
/**
|
|
* ClutterShaderEffectClass:
|
|
* @get_static_shader_source: Returns the GLSL source code to use for
|
|
* instances of this shader effect. Note that this function is only
|
|
* called once per subclass of #ClutterShaderEffect regardless of how
|
|
* many instances are used. It is expected that subclasses will return
|
|
* a copy of a static string from this function.
|
|
*
|
|
* The #ClutterShaderEffectClass structure contains
|
|
* only private data
|
|
*
|
|
* Since: 1.4
|
|
*/
|
|
struct _ClutterShaderEffectClass
|
|
{
|
|
/*< private >*/
|
|
ClutterOffscreenEffectClass parent_class;
|
|
|
|
/*< public >*/
|
|
gchar * (* get_static_shader_source) (ClutterShaderEffect *effect);
|
|
|
|
/*< private >*/
|
|
/* padding */
|
|
void (*_clutter_shader1) (void);
|
|
void (*_clutter_shader2) (void);
|
|
void (*_clutter_shader3) (void);
|
|
void (*_clutter_shader4) (void);
|
|
void (*_clutter_shader5) (void);
|
|
};
|
|
|
|
CLUTTER_AVAILABLE_IN_1_4
|
|
GType clutter_shader_effect_get_type (void) G_GNUC_CONST;
|
|
|
|
CLUTTER_AVAILABLE_IN_1_4
|
|
ClutterEffect * clutter_shader_effect_new (ClutterShaderType shader_type);
|
|
|
|
CLUTTER_AVAILABLE_IN_1_4
|
|
gboolean clutter_shader_effect_set_shader_source (ClutterShaderEffect *effect,
|
|
const gchar *source);
|
|
|
|
CLUTTER_AVAILABLE_IN_1_4
|
|
void clutter_shader_effect_set_uniform (ClutterShaderEffect *effect,
|
|
const gchar *name,
|
|
GType gtype,
|
|
gsize n_values,
|
|
...);
|
|
CLUTTER_AVAILABLE_IN_1_4
|
|
void clutter_shader_effect_set_uniform_value (ClutterShaderEffect *effect,
|
|
const gchar *name,
|
|
const GValue *value);
|
|
|
|
CLUTTER_AVAILABLE_IN_1_4
|
|
CoglHandle clutter_shader_effect_get_shader (ClutterShaderEffect *effect);
|
|
CLUTTER_AVAILABLE_IN_1_4
|
|
CoglHandle clutter_shader_effect_get_program (ClutterShaderEffect *effect);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __CLUTTER_SHADER_EFFECT_H__ */
|