mirror of
https://github.com/brl/mutter.git
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160 lines
3.8 KiB
C
160 lines
3.8 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) 2010,2011 Intel Corporation.
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* 2011 Giovanni Campagna <scampa.giovanni@gmail.com>
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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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* Authors:
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* Matthew Allum
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* Emmanuele Bassi
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* Robert Bragg
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* Neil Roberts
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*/
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#include "config.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <errno.h>
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#include "clutter-backend-eglnative.h"
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/* This is a Cogl based backend */
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#include "cogl/clutter-stage-cogl.h"
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#ifdef HAVE_EVDEV
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#include "evdev/clutter-device-manager-evdev.h"
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#endif
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#include "clutter-debug.h"
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#include "clutter-private.h"
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#include "clutter-main.h"
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#include "clutter-stage-private.h"
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#ifdef COGL_HAS_EGL_SUPPORT
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#include "clutter-egl.h"
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#endif
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#define clutter_backend_egl_native_get_type _clutter_backend_egl_native_get_type
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G_DEFINE_TYPE (ClutterBackendEglNative, clutter_backend_egl_native, CLUTTER_TYPE_BACKEND);
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static void
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clutter_backend_egl_native_dispose (GObject *gobject)
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{
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ClutterBackendEglNative *backend_egl_native = CLUTTER_BACKEND_EGL_NATIVE (gobject);
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if (backend_egl_native->event_timer != NULL)
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{
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g_timer_destroy (backend_egl_native->event_timer);
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backend_egl_native->event_timer = NULL;
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}
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G_OBJECT_CLASS (clutter_backend_egl_native_parent_class)->dispose (gobject);
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}
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static void
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clutter_backend_egl_native_class_init (ClutterBackendEglNativeClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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ClutterBackendClass *backend_class = CLUTTER_BACKEND_CLASS (klass);
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gobject_class->dispose = clutter_backend_egl_native_dispose;
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backend_class->stage_window_type = CLUTTER_TYPE_STAGE_COGL;
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}
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static void
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clutter_backend_egl_native_init (ClutterBackendEglNative *backend_egl_native)
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{
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backend_egl_native->event_timer = g_timer_new ();
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}
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/**
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* clutter_eglx_display:
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*
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* Retrieves the EGL display used by Clutter.
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*
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* Return value: the EGL display, or 0
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*
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*
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*
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* Deprecated: 1.6: Use clutter_egl_get_egl_display() instead.
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*/
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EGLDisplay
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clutter_eglx_display (void)
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{
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return clutter_egl_get_egl_display ();
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}
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/**
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* clutter_egl_display:
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*
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* Retrieves the EGL display used by Clutter.
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*
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* Return value: the EGL display used by Clutter, or 0
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*
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*
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*
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* Deprecated: 1.6: Use clutter_egl_get_egl_display() instead.
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*/
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EGLDisplay
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clutter_egl_display (void)
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{
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return clutter_egl_get_egl_display ();
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}
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/**
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* clutter_egl_get_egl_display:
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*
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* Retrieves the EGL display used by Clutter, if it supports the
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* EGL windowing system and if it is running using an EGL backend.
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*
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* Return value: the EGL display used by Clutter, or 0
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*
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*
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*/
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EGLDisplay
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clutter_egl_get_egl_display (void)
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{
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ClutterBackend *backend;
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if (!_clutter_context_is_initialized ())
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{
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g_critical ("The Clutter backend has not been initialized yet");
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return 0;
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}
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backend = clutter_get_default_backend ();
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if (!CLUTTER_IS_BACKEND_EGL_NATIVE (backend))
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{
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g_critical ("The Clutter backend is not an EGL backend");
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return 0;
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}
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#if COGL_HAS_EGL_SUPPORT
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return cogl_egl_context_get_egl_display (backend->cogl_context);
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#else
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return 0;
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#endif
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}
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