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2b81d90dd7
The G_CONST_RETURN define in GLib is, and has always been, a bit fuzzy. We always used it to conform to the platform, at least for public-facing API. At first I assumed it has something to do with brain-damaged compilers or with weird platforms where const was not really supported; sadly, it's something much, much worse: it's a define that can be toggled at compile-time to remove const from the signature of public API. This is a truly terrifying feature that I assume was added in the past century, and whose inception clearly had something to do with massive doses of absynthe and opium — because any other explanation would make the existence of such a feature even worse than assuming drugs had anything to do with it. Anyway, and pleasing the gods, this dubious feature is being removed/deprecated in GLib; see bug: https://bugzilla.gnome.org/show_bug.cgi?id=644611 Before deprecation, though, we should just remove its usage from the whole API. We should especially remove its usage from Cally's internals, since there it never made sense in the first place.
106 lines
3.0 KiB
C
106 lines
3.0 KiB
C
/* Clutter.
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* An OpenGL based 'interactive canvas' library.
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*
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* Copyright (C) 2006, 2007 OpenedHand
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* Copyright (C) 2010 Intel Corp
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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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* Authors:
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* Matthew Allum
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* Robert Bragg
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*/
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#ifndef __CLUTTER_BACKEND_EGL_H__
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#define __CLUTTER_BACKEND_EGL_H__
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#include <glib-object.h>
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#include <clutter/clutter-event.h>
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#include <clutter/clutter-backend.h>
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#include <clutter/clutter-device-manager.h>
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#ifdef COGL_HAS_XLIB_SUPPORT
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#include <X11/Xlib.h>
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#include <X11/Xatom.h>
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#endif
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#include "clutter-backend-private.h"
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#include "clutter-egl-headers.h"
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#ifdef COGL_HAS_X11_SUPPORT
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#include "../x11/clutter-backend-x11.h"
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#endif
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#include "clutter-egl.h"
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_BACKEND_EGL (_clutter_backend_egl_get_type ())
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#define CLUTTER_BACKEND_EGL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_BACKEND_EGL, ClutterBackendEGL))
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#define CLUTTER_IS_BACKEND_EGL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_BACKEND_EGL))
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#define CLUTTER_BACKEND_EGL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_BACKEND_EGL, ClutterBackendEGLClass))
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#define CLUTTER_IS_BACKEND_EGL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_BACKEND_EGL))
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#define CLUTTER_BACKEND_EGL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_BACKEND_EGL, ClutterBackendEGLClass))
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typedef struct _ClutterBackendEGL ClutterBackendEGL;
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typedef struct _ClutterBackendEGLClass ClutterBackendEGLClass;
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struct _ClutterBackendEGL
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{
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#ifdef COGL_HAS_XLIB_SUPPORT
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ClutterBackendX11 parent_instance;
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#else /* COGL_HAS_X11_SUPPORT */
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ClutterBackend parent_instance;
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/* main stage singleton */
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ClutterStageWindow *stage;
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/* device manager (ie evdev) */
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ClutterDeviceManager *device_manager;
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/* event source */
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GSource *event_source;
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/* event timer */
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GTimer *event_timer;
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#endif /* COGL_HAS_X11_SUPPORT */
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CoglContext *cogl_context;
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gboolean can_blit_sub_buffer;
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};
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struct _ClutterBackendEGLClass
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{
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#ifdef COGL_HAS_XLIB_SUPPORT
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ClutterBackendX11Class parent_class;
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#else
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ClutterBackendClass parent_class;
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#endif
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};
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GType _clutter_backend_egl_get_type (void) G_GNUC_CONST;
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void _clutter_events_egl_init (ClutterBackendEGL *backend);
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void _clutter_events_egl_uninit (ClutterBackendEGL *backend);
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const gchar *_clutter_backend_egl_get_vblank (void);
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G_END_DECLS
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#endif /* __CLUTTER_BACKEND_EGL_H__ */
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