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 
35 struct native_display;
36 struct ANativeWindowBuffer;
37 
38 enum native_buffer_type {
39    NATIVE_BUFFER_DRM,
40    NATIVE_BUFFER_ANDROID,
41 
42    NUM_NATIVE_BUFFERS
43 };
44 
45 struct 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 ANativeWindowBuffer *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  */
64 struct 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