1 /*
2  * Copyright (C) 2018-2019 the xine project
3  * Copyright (C) 2018-2019 Petri Hintukainen <phintuka@users.sourceforge.net>
4  *
5  * This file is part of xine, a free video player.
6  *
7  * xine is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * xine is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
20  *
21  * xine_gl.c, Interface between OpenGL and native windowing system
22  *
23  */
24 
25 #ifdef HAVE_CONFIG_H
26 #include "config.h"
27 #endif
28 
29 #include "xine_gl.h"
30 #include "xine_gl_plugin.h"
31 
32 #include <stddef.h>
33 
34 #include <xine/xine_internal.h>
35 
36 #define PLUGIN(_gl) xine_container_of(_gl, xine_gl_plugin_t, gl)
37 
38 /* technically, we can't unload dynamic module from the module itself.
39  * it would work now (nothing is unloaded), but there may be problems in
40  * the future if plugin loader unloads the library in _x_free_module().
41  */
default_gl_dispose(xine_gl_t ** pgl)42 static void default_gl_dispose(xine_gl_t **pgl)
43 {
44   if (*pgl) {
45     xine_gl_plugin_t *plugin = PLUGIN(*pgl);
46     xine_module_t *module = &plugin->module;
47     *pgl = NULL;
48     _x_free_module(plugin->xine, &module);
49   }
50 }
51 
52 /*
53  * loader wrapper
54  */
55 
_x_load_gl(xine_t * xine,unsigned visual_type,const void * visual,unsigned flags)56 xine_gl_t *_x_load_gl(xine_t *xine, unsigned visual_type, const void *visual, unsigned flags)
57 {
58   const gl_plugin_params_t params = {
59     .xine        = xine,
60     .visual_type = visual_type,
61     .visual      = visual,
62     .flags       = flags,
63   };
64   xine_gl_plugin_t *p;
65 
66   p = (xine_gl_plugin_t*)_x_find_module(xine, GL_PLUGIN_TYPE, NULL, visual_type, &params);
67   if (p) {
68     p->gl.dispose = default_gl_dispose;
69     return &p->gl;
70   }
71   return NULL;
72 }
73 
74 
75