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https://github.com/brl/mutter.git
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4e57972bd6
This converts clutter-texture to use the new CoglMaterial API instead of cogl_texture_rectangle. This change does not add multi-texturing support to Clutter, it's more about aiming to deprecate cogl_texture_rectangle, and moving everything over to the cogl_set_source(material); cogl_draw_somthing(); coding pattern. With this patch, the code can be built with/without CoglMaterial support so we can do comparisons of the old/new code for a transient period. (look for the USE_COGL_MATERIAL define) Note: The FBO paths haven't currently been tested, so they may need some tweaks.
201 lines
9.1 KiB
C
201 lines
9.1 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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* Authored By Matthew Allum <mallum@openedhand.com>
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*
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* Copyright (C) 2006 OpenedHand
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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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#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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#ifndef __CLUTTER_TEXTURE_H__
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#define __CLUTTER_TEXTURE_H__
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#include <clutter/clutter-actor.h>
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#include <cogl/cogl.h>
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G_BEGIN_DECLS
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#define USE_COGL_MATERIAL 1
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#define CLUTTER_TYPE_TEXTURE (clutter_texture_get_type ())
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#define CLUTTER_TEXTURE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_TEXTURE, ClutterTexture))
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#define CLUTTER_TEXTURE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_TEXTURE, ClutterTextureClass))
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#define CLUTTER_IS_TEXTURE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_TEXTURE))
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#define CLUTTER_IS_TEXTURE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_TEXTURE))
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#define CLUTTER_TEXTURE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_TEXTURE, ClutterTextureClass))
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#define CLUTTER_TYPE_TEXTURE_HANDLE (clutter_texture_handle_get_type ())
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#if USE_COGL_MATERIAL
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#define CLUTTER_TYPE_MATERIAL_HANDLE (clutter_material_handle_get_type ())
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#endif
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/**
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* ClutterTextureError:
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* @CLUTTER_TEXTURE_ERROR_OUT_OF_MEMORY: OOM condition
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* @CLUTTER_TEXTURE_ERROR_NO_YUV: YUV operation attempted but no YUV support
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* found
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* @CLUTTER_TEXTURE_ERROR_BAD_FORMAT: The requested format for
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* clutter_texture_set_from_rgb_data or
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* clutter_texture_set_from_yuv_data is unsupported.
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*
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* Error enumeration for #ClutterTexture
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*
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* Since: 0.4
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*/
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typedef enum {
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CLUTTER_TEXTURE_ERROR_OUT_OF_MEMORY,
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CLUTTER_TEXTURE_ERROR_NO_YUV,
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CLUTTER_TEXTURE_ERROR_BAD_FORMAT
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} ClutterTextureError;
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#define CLUTTER_TEXTURE_ERROR (clutter_texture_error_quark ())
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GQuark clutter_texture_error_quark (void);
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typedef struct _ClutterTexture ClutterTexture;
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typedef struct _ClutterTextureClass ClutterTextureClass;
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typedef struct _ClutterTexturePrivate ClutterTexturePrivate;
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struct _ClutterTexture
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{
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/*< private >*/
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ClutterActor parent;
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ClutterTexturePrivate *priv;
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};
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struct _ClutterTextureClass
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{
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ClutterActorClass parent_class;
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void (*size_change) (ClutterTexture *texture,
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gint width,
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gint height);
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void (*pixbuf_change) (ClutterTexture *texture);
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/*< private >*/
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/* padding, for future expansion */
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void (*_clutter_texture1) (void);
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void (*_clutter_texture2) (void);
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void (*_clutter_texture3) (void);
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void (*_clutter_texture4) (void);
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void (*_clutter_texture5) (void);
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void (*_clutter_texture6) (void);
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};
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/**
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* ClutterTextureFlags:
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* @CLUTTER_TEXTURE_RGB_FLAG_BGR: FIXME
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* @CLUTTER_TEXTURE_RGB_FLAG_PREMULT: FIXME
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* @CLUTTER_TEXTURE_YUV_FLAG_YUV2: FIXME
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*
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* Flags for clutter_texture_set_from_rgb_data() and
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* clutter_texture_set_from_yuv_data().
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*
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* Since: 0.4
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*/
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typedef enum { /*< prefix=CLUTTER_TEXTURE >*/
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CLUTTER_TEXTURE_RGB_FLAG_BGR = 1 << 1,
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CLUTTER_TEXTURE_RGB_FLAG_PREMULT = 1 << 2, /* FIXME: not handled */
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CLUTTER_TEXTURE_YUV_FLAG_YUV2 = 1 << 3
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/* FIXME: add compressed types ? */
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} ClutterTextureFlags;
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/**
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* ClutterTextureQuality:
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* @CLUTTER_TEXTURE_QUALITY_LOW: fastest rendering will use nearest neighbour
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* interpolation when rendering. good setting.
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* @CLUTTER_TEXTURE_QUALITY_MEDIUM: higher quality rendering without using
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* extra resources.
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* @CLUTTER_TEXTURE_QUALITY_HIGH: render the texture with the best quality
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* available using extra memory.
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*
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* Enumaration controlling the texture quality.
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*
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* Since: 0.8
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*/
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typedef enum { /*< prefix=CLUTTER_TEXTURE_QUALITY >*/
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CLUTTER_TEXTURE_QUALITY_LOW = 0,
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CLUTTER_TEXTURE_QUALITY_MEDIUM,
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CLUTTER_TEXTURE_QUALITY_HIGH
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} ClutterTextureQuality;
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GType clutter_texture_get_type (void) G_GNUC_CONST;
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GType clutter_texture_handle_get_type (void) G_GNUC_CONST;
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#if USE_COGL_MATERIAL
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GType clutter_material_handle_get_type (void) G_GNUC_CONST;
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#endif
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ClutterActor * clutter_texture_new (void);
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ClutterActor * clutter_texture_new_from_file (const gchar *filename,
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GError **error);
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ClutterActor * clutter_texture_new_from_actor (ClutterActor *actor);
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gboolean clutter_texture_set_from_file (ClutterTexture *texture,
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const gchar *filename,
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GError **error);
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gboolean clutter_texture_set_from_rgb_data (ClutterTexture *texture,
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const guchar *data,
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gboolean has_alpha,
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gint width,
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gint height,
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gint rowstride,
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gint bpp,
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ClutterTextureFlags flags,
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GError **error);
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gboolean clutter_texture_set_from_yuv_data (ClutterTexture *texture,
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const guchar *data,
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gint width,
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gint height,
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ClutterTextureFlags flags,
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GError **error);
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gboolean clutter_texture_set_area_from_rgb_data (ClutterTexture *texture,
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const guchar *data,
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gboolean has_alpha,
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gint x,
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gint y,
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gint width,
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gint height,
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gint rowstride,
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gint bpp,
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ClutterTextureFlags flags,
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GError **error);
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void clutter_texture_get_base_size (ClutterTexture *texture,
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gint *width,
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gint *height);
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void clutter_texture_set_filter_quality (ClutterTexture *texture,
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ClutterTextureQuality filter_quality);
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ClutterTextureQuality clutter_texture_get_filter_quality (ClutterTexture *texture);
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void clutter_texture_set_max_tile_waste (ClutterTexture *texture,
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gint max_tile_waste);
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gint clutter_texture_get_max_tile_waste (ClutterTexture *texture);
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CoglHandle clutter_texture_get_cogl_texture (ClutterTexture *texture);
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void clutter_texture_set_cogl_texture (ClutterTexture *texture,
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CoglHandle cogl_tex);
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#if USE_COGL_MATERIAL
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CoglHandle clutter_texture_get_cogl_material (ClutterTexture *texture);
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void clutter_texture_set_cogl_material (ClutterTexture *texture,
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CoglHandle cogl_material);
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#endif
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G_END_DECLS
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#endif /* __CLUTTER_TEXTURE_H__ */
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