1/*
2 * GStreamer
3 * Copyright (C) 2012 Matthew Waters <ystreet00@gmail.com>
4 * Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
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_MEMORY_PBO_H_
23#define _GST_GL_MEMORY_PBO_H_
24
25#include <gst/gl/gstglmemory.h>
26
27G_BEGIN_DECLS
28
29#define GST_TYPE_GL_MEMORY_PBO_ALLOCATOR (gst_gl_memory_pbo_allocator_get_type())
30GST_GL_API
31GType gst_gl_memory_pbo_allocator_get_type(void);
32
33#define GST_IS_GL_MEMORY_PBO_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_GL_MEMORY_PBO_ALLOCATOR))
34#define GST_IS_GL_MEMORY_PBO_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_GL_MEMORY_PBO_ALLOCATOR))
35#define GST_GL_MEMORY_PBO_ALLOCATOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_GL_MEMORY_PBO_ALLOCATOR, GstGLMemoryPBOAllocatorClass))
36#define GST_GL_MEMORY_PBO_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_GL_MEMORY_PBO_ALLOCATOR, GstGLMemoryPBOAllocator))
37#define GST_GL_MEMORY_PBO_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_GL_MEMORY_PBO_ALLOCATOR, GstGLMemoryPBOAllocatorClass))
38#define GST_GL_MEMORY_PBO_ALLOCATOR_CAST(obj) ((GstGLMemoryPBOAllocator *)(obj))
39
40/**
41 * GstGLMemoryPBO:
42 *
43 * Private instance
44 */
45struct _GstGLMemoryPBO
46{
47 /* <private> */
48 GstGLMemory mem;
49
50 GstGLBuffer *pbo;
51
52 gpointer _padding[GST_PADDING];
53};
54
55/**
56 * GST_GL_MEMORY_PBO_ALLOCATOR_NAME:
57 *
58 * The name of the GL Memory PBO allocator
59 */
60#define GST_GL_MEMORY_PBO_ALLOCATOR_NAME "GLMemoryPBO"
61
62GST_GL_API
63void gst_gl_memory_pbo_init_once (void);
64GST_GL_API
65gboolean gst_is_gl_memory_pbo (GstMemory * mem);
66
67GST_GL_API
68void gst_gl_memory_pbo_download_transfer (GstGLMemoryPBO * gl_mem);
69GST_GL_API
70void gst_gl_memory_pbo_upload_transfer (GstGLMemoryPBO * gl_mem);
71
72GST_GL_API
73gboolean gst_gl_memory_pbo_copy_into_texture (GstGLMemoryPBO *gl_mem,
74 guint tex_id,
75 GstGLTextureTarget target,
76 GstGLFormat tex_format,
77 gint width,
78 gint height,
79 gint stride,
80 gboolean respecify);
81
82/**
83 * GstGLMemoryPBOAllocator:
84 *
85 * Opaque #GstGLMemoryPBOAllocator struct
86 */
87struct _GstGLMemoryPBOAllocator
88{
89 GstGLMemoryAllocator parent;
90
91 /* <private> */
92 gpointer _padding[GST_PADDING];
93};
94
95/**
96 * GstGLMemoryPBOAllocatorClass:
97 *
98 * Only contains private data
99 */
100struct _GstGLMemoryPBOAllocatorClass
101{
102 GstGLMemoryAllocatorClass parent_class;
103
104 /* <private> */
105 gpointer _padding[GST_PADDING];
106};
107
108G_END_DECLS
109
110#endif /* _GST_GL_MEMORY_PBO_H_ */
111