1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
/*
* Copyright © 2011 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Authors:
* Benjamin Franzke <benjaminfranzke@googlemail.com>
*/
#ifndef INTERNAL_H_
#define INTERNAL_H_
#include "gbm.h"
#include <sys/stat.h>
/* GCC visibility */
#if defined(__GNUC__) && __GNUC__ >= 4
#define GBM_EXPORT __attribute__ ((visibility("default")))
#else
#define GBM_EXPORT
#endif
/**
* \file gbmint.h
* \brief Internal implementation details of gbm
*/
/**
* The device used for the memory allocation.
*
* The members of this structure should be not accessed directly
*/
struct gbm_device {
/* Hack to make a gbm_device detectable by its first element. */
struct gbm_device *(*dummy)(int);
int fd;
const char *name;
unsigned int refcount;
struct stat stat;
void (*destroy)(struct gbm_device *gbm);
int (*is_format_supported)(struct gbm_device *gbm,
uint32_t format,
uint32_t usage);
struct gbm_bo *(*bo_create)(struct gbm_device *gbm,
uint32_t width, uint32_t height,
uint32_t format,
uint32_t usage);
struct gbm_bo *(*bo_import)(struct gbm_device *gbm, uint32_t type,
void *buffer, uint32_t usage);
int (*bo_write)(struct gbm_bo *bo, const void *buf, size_t data);
void (*bo_destroy)(struct gbm_bo *bo);
struct gbm_surface *(*surface_create)(struct gbm_device *gbm,
uint32_t width, uint32_t height,
uint32_t format, uint32_t flags);
struct gbm_bo *(*surface_lock_front_buffer)(struct gbm_surface *surface);
void (*surface_release_buffer)(struct gbm_surface *surface,
struct gbm_bo *bo);
int (*surface_has_free_buffers)(struct gbm_surface *surface);
void (*surface_destroy)(struct gbm_surface *surface);
};
/**
* The allocated buffer object.
*
* The members in this structure should not be accessed directly.
*/
struct gbm_bo {
struct gbm_device *gbm;
uint32_t width;
uint32_t height;
uint32_t stride;
uint32_t format;
union gbm_bo_handle handle;
void *user_data;
void (*destroy_user_data)(struct gbm_bo *, void *);
};
struct gbm_surface {
struct gbm_device *gbm;
uint32_t width;
uint32_t height;
uint32_t format;
uint32_t flags;
};
struct gbm_backend {
const char *backend_name;
struct gbm_device *(*create_device)(int fd);
};
GBM_EXPORT struct gbm_device *
_gbm_mesa_get_device(int fd);
#endif
|
