forked from projectceladon/minigbm
-
Notifications
You must be signed in to change notification settings - Fork 0
/
drv.h
156 lines (113 loc) · 4.17 KB
/
drv.h
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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
/*
* Copyright 2016 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef DRV_H_
#define DRV_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <drm_fourcc.h>
#include <stdint.h>
#define DRV_MAX_PLANES 4
// clang-format off
/* Use flags */
#define BO_USE_NONE 0
#define BO_USE_SCANOUT (1ull << 0)
#define BO_USE_CURSOR (1ull << 1)
#define BO_USE_CURSOR_64X64 BO_USE_CURSOR
#define BO_USE_RENDERING (1ull << 2)
#define BO_USE_LINEAR (1ull << 3)
#define BO_USE_SW_READ_NEVER (1ull << 4)
#define BO_USE_SW_READ_RARELY (1ull << 5)
#define BO_USE_SW_READ_OFTEN (1ull << 6)
#define BO_USE_SW_WRITE_NEVER (1ull << 7)
#define BO_USE_SW_WRITE_RARELY (1ull << 8)
#define BO_USE_SW_WRITE_OFTEN (1ull << 9)
#define BO_USE_EXTERNAL_DISP (1ull << 10)
#define BO_USE_PROTECTED (1ull << 11)
#define BO_USE_HW_VIDEO_ENCODER (1ull << 12)
#define BO_USE_CAMERA_WRITE (1ull << 13)
#define BO_USE_CAMERA_READ (1ull << 14)
#define BO_USE_RENDERSCRIPT (1ull << 16)
#define BO_USE_TEXTURE (1ull << 17)
/* Map flags */
#define BO_MAP_NONE 0
#define BO_MAP_READ (1 << 0)
#define BO_MAP_WRITE (1 << 1)
#define BO_MAP_READ_WRITE (BO_MAP_READ | BO_MAP_WRITE)
/* This is our extension to <drm_fourcc.h>. We need to make sure we don't step
* on the namespace of already defined formats, which can be done by using invalid
* fourcc codes.
*/
#define DRM_FORMAT_NONE fourcc_code('0', '0', '0', '0')
#define DRM_FORMAT_YVU420_ANDROID fourcc_code('9', '9', '9', '7')
#define DRM_FORMAT_FLEX_IMPLEMENTATION_DEFINED fourcc_code('9', '9', '9', '8')
#define DRM_FORMAT_FLEX_YCbCr_420_888 fourcc_code('9', '9', '9', '9')
// clang-format on
struct driver;
struct bo;
struct combination;
union bo_handle {
void *ptr;
int32_t s32;
uint32_t u32;
int64_t s64;
uint64_t u64;
};
struct drv_import_fd_data {
int fds[DRV_MAX_PLANES];
uint32_t strides[DRV_MAX_PLANES];
uint32_t offsets[DRV_MAX_PLANES];
uint64_t format_modifiers[DRV_MAX_PLANES];
uint32_t width;
uint32_t height;
uint32_t format;
uint64_t use_flags;
};
struct map_info {
void *addr;
size_t length;
uint32_t handle;
uint32_t map_flags;
int32_t refcount;
void *priv;
};
struct driver *drv_create(int fd);
void drv_destroy(struct driver *drv);
int drv_get_fd(struct driver *drv);
const char *drv_get_name(struct driver *drv);
struct combination *drv_get_combination(struct driver *drv, uint32_t format, uint64_t use_flags);
struct bo *drv_bo_new(struct driver *drv, uint32_t width, uint32_t height, uint32_t format,
uint64_t use_flags);
struct bo *drv_bo_create(struct driver *drv, uint32_t width, uint32_t height, uint32_t format,
uint64_t use_flags);
struct bo *drv_bo_create_with_modifiers(struct driver *drv, uint32_t width, uint32_t height,
uint32_t format, const uint64_t *modifiers, uint32_t count);
void drv_bo_destroy(struct bo *bo);
struct bo *drv_bo_import(struct driver *drv, struct drv_import_fd_data *data);
void *drv_bo_map(struct bo *bo, uint32_t x, uint32_t y, uint32_t width, uint32_t height,
uint32_t map_flags, struct map_info **map_data, size_t plane);
int drv_bo_unmap(struct bo *bo, struct map_info *data);
int drv_bo_invalidate(struct bo *bo, struct map_info *data);
int drv_bo_flush(struct bo *bo, struct map_info *data);
uint32_t drv_bo_get_width(struct bo *bo);
uint32_t drv_bo_get_height(struct bo *bo);
uint32_t drv_bo_get_stride_or_tiling(struct bo *bo);
size_t drv_bo_get_num_planes(struct bo *bo);
union bo_handle drv_bo_get_plane_handle(struct bo *bo, size_t plane);
int drv_bo_get_plane_fd(struct bo *bo, size_t plane);
uint32_t drv_bo_get_plane_offset(struct bo *bo, size_t plane);
uint32_t drv_bo_get_plane_size(struct bo *bo, size_t plane);
uint32_t drv_bo_get_plane_stride(struct bo *bo, size_t plane);
uint64_t drv_bo_get_plane_format_modifier(struct bo *bo, size_t plane);
uint32_t drv_bo_get_format(struct bo *bo);
uint32_t drv_bo_get_stride_in_pixels(struct bo *bo);
uint32_t drv_resolve_format(struct driver *drv, uint32_t format, uint64_t use_flags);
size_t drv_num_planes_from_format(uint32_t format);
uint32_t drv_num_buffers_per_bo(struct bo *bo);
#ifdef __cplusplus
}
#endif
#endif