native_buffer.h revision 15418a850575b2a33132165605293ed835b4be53 
1/*
2 * Mesa 3-D graphics library
3 * Version:  7.9
4 *
5 * Copyright (C) 2010 LunarG Inc.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
23 * DEALINGS IN THE SOFTWARE.
24 *
25 * Authors:
26 *    Chia-I Wu <olv@lunarg.com>
27 */
28
29#ifndef _NATIVE_BUFFER_H_
30#define _NATIVE_BUFFER_H_
31
32#include "pipe/p_compiler.h"
33#include "pipe/p_state.h"
34
35struct native_display;
36struct android_native_buffer_t;
37
38enum native_buffer_type {
39   NATIVE_BUFFER_DRM,
40   NATIVE_BUFFER_ANDROID,
41
42   NUM_NATIVE_BUFFERS
43};
44
45struct native_buffer {
46   enum native_buffer_type type;
47
48   union {
49      struct {
50         struct pipe_resource templ;
51         unsigned name;   /**< the name of the GEM object */
52         unsigned handle; /**< the handle of the GEM object */
53         unsigned stride;
54      } drm;
55
56      struct android_native_buffer_t *android; /**< opaque native buffer */
57   } u;
58};
59
60/**
61 * Buffer interface of the native display.  It allows native buffers to be
62 * imported and exported.
63 */
64struct native_display_buffer {
65   struct pipe_resource *(*import_buffer)(struct native_display *ndpy,
66                                          struct native_buffer *buf);
67
68   /**
69    * The resource must be creatred with PIPE_BIND_SHARED.
70    */
71   boolean (*export_buffer)(struct native_display *ndpy,
72                            struct pipe_resource *res,
73                            struct native_buffer *nbuf);
74};
75
76#endif /* _NATIVE_BUFFER_H_ */
77