1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
/* GdkGLExt - OpenGL Extension to GDK
* Copyright (C) 2002-2004 Naofumi Yasufuku
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "gdkglprivate.h"
#include "gdkgldrawable.h"
#include "gdkglconfig.h"
#include "gdkglcontext.h"
gboolean _gdk_gl_context_force_indirect = FALSE;
static void gdk_gl_context_class_init (GdkGLContextClass *klass);
static void gdk_gl_context_finalize (GObject *object);
static gpointer parent_class = NULL;
GType
gdk_gl_context_get_type (void)
{
static GType type = 0;
if (!type)
{
static const GTypeInfo type_info = {
sizeof (GdkGLContextClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gdk_gl_context_class_init,
(GClassFinalizeFunc) NULL,
NULL, /* class_data */
sizeof (GdkGLContext),
0, /* n_preallocs */
(GInstanceInitFunc) NULL
};
type = g_type_register_static (G_TYPE_OBJECT,
"GdkGLContext",
&type_info, 0);
}
return type;
}
static void
gdk_gl_context_class_init (GdkGLContextClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GDK_GL_NOTE_FUNC_PRIVATE ();
parent_class = g_type_class_peek_parent (klass);
object_class->finalize = gdk_gl_context_finalize;
}
static void
gdk_gl_context_finalize (GObject *object)
{
GDK_GL_NOTE_FUNC_PRIVATE ();
G_OBJECT_CLASS (parent_class)->finalize (object);
}
/**
* gdk_gl_context_new:
* @gldrawable: a #GdkGLDrawable.
* @share_list: the #GdkGLContext with which to share display lists and texture
* objects. NULL indicates that no sharing is to take place.
* @direct: whether rendering is to be done with a direct connection to
* the graphics system.
* @render_type: GDK_GL_RGBA_TYPE or GDK_GL_COLOR_INDEX_TYPE (currently not
* used).
*
* Creates a new OpenGL rendering context.
*
* Return value: the new #GdkGLContext.
**/
GdkGLContext *
gdk_gl_context_new (GdkGLDrawable *gldrawable,
GdkGLContext *share_list,
gboolean direct,
int render_type)
{
g_return_val_if_fail (GDK_IS_GL_DRAWABLE (gldrawable), NULL);
return GDK_GL_DRAWABLE_GET_CLASS (gldrawable)->create_new_context (gldrawable,
share_list,
direct,
render_type);
}
/**
* gdk_gl_context_destroy:
* @glcontext: a #GdkGLContext.
*
* Destroys the OpenGL resources associated with @glcontext and
* decrements @glcontext's reference count.
**/
void
gdk_gl_context_destroy (GdkGLContext *glcontext)
{
g_return_if_fail (GDK_IS_GL_CONTEXT (glcontext));
_gdk_gl_context_destroy (glcontext);
g_object_unref (G_OBJECT (glcontext));
}
|
