gbm/dri: Expose visuals table through gbm_dri_device
[mesa.git] / src / gbm / main / gbmint.h
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__)
36 #define GBM_EXPORT __attribute__ ((visibility("default")))
37 #else
38 #define GBM_EXPORT
39 #endif
40
41 /**
42 * \file gbmint.h
43 * \brief Internal implementation details of gbm
44 */
45
46 /**
47 * The device used for the memory allocation.
48 *
49 * The members of this structure should be not accessed directly
50 */
51 struct gbm_device {
52 /* Hack to make a gbm_device detectable by its first element. */
53 struct gbm_device *(*dummy)(int);
54
55 int fd;
56 const char *name;
57 unsigned int refcount;
58 struct stat stat;
59
60 void (*destroy)(struct gbm_device *gbm);
61 int (*is_format_supported)(struct gbm_device *gbm,
62 uint32_t format,
63 uint32_t usage);
64 int (*get_format_modifier_plane_count)(struct gbm_device *device,
65 uint32_t format,
66 uint64_t modifier);
67
68 struct gbm_bo *(*bo_create)(struct gbm_device *gbm,
69 uint32_t width, uint32_t height,
70 uint32_t format,
71 uint32_t usage,
72 const uint64_t *modifiers,
73 const unsigned int count);
74 struct gbm_bo *(*bo_import)(struct gbm_device *gbm, uint32_t type,
75 void *buffer, uint32_t usage);
76 void *(*bo_map)(struct gbm_bo *bo,
77 uint32_t x, uint32_t y,
78 uint32_t width, uint32_t height,
79 uint32_t flags, uint32_t *stride,
80 void **map_data);
81 void (*bo_unmap)(struct gbm_bo *bo, void *map_data);
82 int (*bo_write)(struct gbm_bo *bo, const void *buf, size_t data);
83 int (*bo_get_fd)(struct gbm_bo *bo);
84 int (*bo_get_planes)(struct gbm_bo *bo);
85 union gbm_bo_handle (*bo_get_handle)(struct gbm_bo *bo, int plane);
86 uint32_t (*bo_get_stride)(struct gbm_bo *bo, int plane);
87 uint32_t (*bo_get_offset)(struct gbm_bo *bo, int plane);
88 uint64_t (*bo_get_modifier)(struct gbm_bo *bo);
89 void (*bo_destroy)(struct gbm_bo *bo);
90
91 struct gbm_surface *(*surface_create)(struct gbm_device *gbm,
92 uint32_t width, uint32_t height,
93 uint32_t format, uint32_t flags,
94 const uint64_t *modifiers,
95 const unsigned count);
96 struct gbm_bo *(*surface_lock_front_buffer)(struct gbm_surface *surface);
97 void (*surface_release_buffer)(struct gbm_surface *surface,
98 struct gbm_bo *bo);
99 int (*surface_has_free_buffers)(struct gbm_surface *surface);
100 void (*surface_destroy)(struct gbm_surface *surface);
101 };
102
103 /**
104 * The allocated buffer object.
105 *
106 * The members in this structure should not be accessed directly.
107 */
108 struct gbm_bo {
109 struct gbm_device *gbm;
110 uint32_t width;
111 uint32_t height;
112 uint32_t stride;
113 uint32_t format;
114 union gbm_bo_handle handle;
115 void *user_data;
116 void (*destroy_user_data)(struct gbm_bo *, void *);
117 };
118
119 struct gbm_surface {
120 struct gbm_device *gbm;
121 uint32_t width;
122 uint32_t height;
123 uint32_t format;
124 uint32_t flags;
125 struct {
126 uint64_t *modifiers;
127 unsigned count;
128 };
129 };
130
131 struct gbm_backend {
132 const char *backend_name;
133 struct gbm_device *(*create_device)(int fd);
134 };
135
136 #endif