gbmint.h revision 3464ebd5 
1/*
2 * Copyright © 2011 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
19 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
20 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *
24 * Authors:
25 *    Benjamin Franzke <benjaminfranzke@googlemail.com>
26 */
27
28#ifndef INTERNAL_H_
29#define INTERNAL_H_
30
31#include "gbm.h"
32#include <sys/stat.h>
33
34/* GCC visibility */
35#if defined(__GNUC__) && __GNUC__ >= 4
36#define GBM_EXPORT __attribute__ ((visibility("default")))
37#else
38#define GBM_EXPORT
39#endif
40
41struct gbm_device {
42   /* Hack to make a gbm_device detectable by its first element. */
43   struct gbm_device *(*dummy)(int);
44
45   int fd;
46   const char *name;
47   unsigned int refcount;
48   struct stat stat;
49
50   void (*destroy)(struct gbm_device *gbm);
51   int (*is_format_supported)(struct gbm_device *gbm,
52                              enum gbm_bo_format format,
53                              uint32_t usage);
54
55   struct gbm_bo *(*bo_create)(struct gbm_device *gbm,
56                               uint32_t width, uint32_t height,
57                               enum gbm_bo_format format,
58                               uint32_t usage);
59   struct gbm_bo *(*bo_create_from_egl_image)(struct gbm_device *gbm,
60                                              void *egl_dpy, void *egl_img,
61                                              uint32_t width, uint32_t height,
62                                              uint32_t usage);
63   void (*bo_destroy)(struct gbm_bo *bo);
64};
65
66struct gbm_bo {
67   struct gbm_device *gbm;
68   uint32_t width;
69   uint32_t height;
70   uint32_t pitch;
71   union gbm_bo_handle  handle;
72};
73
74struct gbm_backend {
75   const char *backend_name;
76   struct gbm_device *(*create_device)(int fd);
77};
78
79GBM_EXPORT struct gbm_device *
80_gbm_mesa_get_device(int fd);
81
82#endif
83