1 /*
2  * GStreamer
3  * Copyright (C) 2014 Sebastian Dröge <sebastian@centricular.com>
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Library General Public
7  * License as published by the Free Software Foundation; either
8  * version 2 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * Library General Public License for more details.
14  *
15  * You should have received a copy of the GNU Library General Public
16  * License along with this library; if not, write to the
17  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
18  * Boston, MA 02110-1301, USA.
19  */
20 
21 #ifndef __GST_GL_CONTEXT_EAGL_H__
22 #define __GST_GL_CONTEXT_EAGL_H__
23 
24 #include <gst/gst.h>
25 #include <gst/gl/gl.h>
26 
27 G_BEGIN_DECLS
28 
29 #define GST_TYPE_GL_CONTEXT_EAGL         (gst_gl_context_eagl_get_type())
30 #define GST_GL_CONTEXT_EAGL(o)           (G_TYPE_CHECK_INSTANCE_CAST((o), GST_TYPE_GL_CONTEXT_EAGL, GstGLContextEagl))
31 #define GST_GL_CONTEXT_EAGL_CLASS(k)     (G_TYPE_CHECK_CLASS((k), GST_TYPE_GL_CONTEXT_EAGL, GstGLContextEaglClass))
32 #define GST_IS_GL_CONTEXT_EAGL(o)        (G_TYPE_CHECK_INSTANCE_TYPE((o), GST_TYPE_GL_CONTEXT_EAGL))
33 #define GST_IS_GL_CONTEXT_EAGL_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE((k), GST_TYPE_GL_CONTEXT_EAGL))
34 #define GST_GL_CONTEXT_EAGL_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), GST_TYPE_GL_CONTEXT_EAGL, GstGLContextEaglClass))
35 
36 #define GS_GL_CONTEXT_EAGL_CONTEXT(obj) \
37     ((__bridge EAGLContext *)(obj->priv->eagl_context))
38 #define GS_GL_CONTEXT_EAGL_LAYER(obj) \
39     ((__bridge CAEAGLLayer *)(obj->priv->eagl_layer))
40 
41 typedef struct _GstGLContextEagl        GstGLContextEagl;
42 typedef struct _GstGLContextEaglPrivate GstGLContextEaglPrivate;
43 typedef struct _GstGLContextEaglClass   GstGLContextEaglClass;
44 
45 struct _GstGLContextEagl {
46   /*< private >*/
47   GstGLContext parent;
48 
49   /*< private >*/
50   GstGLContextEaglPrivate *priv;
51 
52   gpointer _reserved[GST_PADDING];
53 };
54 
55 struct _GstGLContextEaglClass {
56   /*< private >*/
57   GstGLContextClass parent_class;
58 
59   /*< private >*/
60   gpointer _reserved[GST_PADDING_LARGE];
61 };
62 
63 GType gst_gl_context_eagl_get_type (void);
64 
65 GstGLContextEagl * gst_gl_context_eagl_new (GstGLDisplay * display);
66 
67 void gst_gl_context_eagl_update_layer (GstGLContext * context);
68 void gst_gl_context_eagl_resize (GstGLContextEagl * eagl_context);
69 void gst_gl_context_eagl_prepare_draw (GstGLContextEagl * context);
70 void gst_gl_context_eagl_finish_draw (GstGLContextEagl * context);
71 guintptr gst_gl_context_eagl_get_current_context (void);
72 
73 G_END_DECLS
74 
75 #endif /* __GST_GL_CONTEXT_EAGL_H__ */
76