1 /*
2  * glshader gstreamer plugin
3  * Copyright (C) 2008 Filippo Argiolas <filippo.argiolas@gmail.com>
4  * Copyright (C) 2009 Luc Deschenaux <luc.deschenaux@freesurf.ch>
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Library General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Library General Public License for more details.
15  *
16  * You should have received a copy of the GNU Library General Public
17  * License along with this library; if not, write to the
18  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
19  * Boston, MA 02110-1301, USA.
20  */
21 
22 #ifndef _GST_GL_FILTERSHADER_H_
23 #define _GST_GL_FILTERSHADER_H_
24 
25 #include <gst/gl/gstglfilter.h>
26 
27 #define GST_TYPE_GL_FILTERSHADER            (gst_gl_filtershader_get_type())
28 #define GST_GL_FILTERSHADER(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_FILTERSHADER,GstGLFilterShader))
29 #define GST_IS_GL_FILTERSHADER(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_FILTERSHADER))
30 #define GST_GL_FILTERSHADER_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_GL_FILTERSHADER,GstGLFilterShaderClass))
31 #define GST_IS_GL_FILTERSHADER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_GL_FILTERSHADER))
32 #define GST_GL_FILTERSHADER_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_GL_FILTERSHADER,GstGLFilterShaderClass))
33 
34 typedef struct _GstGLFilterShader GstGLFilterShader;
35 typedef struct _GstGLFilterShaderClass GstGLFilterShaderClass;
36 
37 struct _GstGLFilterShader
38 {
39   GstGLFilter filter;
40 
41   /* properties */
42   GstGLShader *shader;
43   gchar *vertex;
44   gchar *fragment;
45   gboolean update_shader; /* update the shader on the next draw */
46   GstStructure *uniforms;
47 
48   gboolean new_source;
49   gboolean new_uniforms;
50   gdouble time;
51 
52   gint attr_position_loc;
53   gint attr_texture_loc;
54 };
55 
56 struct _GstGLFilterShaderClass
57 {
58   GstGLFilterClass filter_class;
59 };
60 
61 GType gst_gl_filtershader_get_type (void);
62 
63 #endif /* _GST_GL_FILTERSHADER_H_ */
64