1 /* GdkGLExt - OpenGL Extension to GDK
2  * Copyright (C) 2002-2004  Naofumi Yasufuku
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA.
17  */
18 
19 #ifndef __GDK_GL_OVERLAY_X11_H__
20 #define __GDK_GL_OVERLAY_X11_H__
21 
22 #include <gdk/x11/gdkglx.h>
23 
24 G_BEGIN_DECLS
25 
26 typedef enum
27 {
28   GDK_GL_OVERLAY_TRANSPARENT_NONE,
29   GDK_GL_OVERLAY_TRANSPARENT_PIXEL,
30   GDK_GL_OVERLAY_TRANSPARENT_MASK
31 } GdkGLOverlayTransparentType;
32 
33 typedef struct _GdkGLOverlayInfo GdkGLOverlayInfo;
34 
35 struct _GdkGLOverlayInfo
36 {
37   GdkVisual *visual;
38   GdkGLOverlayTransparentType transparent_type;
39   guint32 value;
40   gint32 layer;
41 };
42 
43 /* private at present... */
44 gboolean _gdk_x11_gl_overlay_get_info (GdkVisual        *visual,
45                                        GdkGLOverlayInfo *overlay_info);
46 
47 G_END_DECLS
48 
49 #endif /* __GDK_GL_OVERLAY_X11_H__ */
50