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
|
/*
* Copyright (c) 2020 - 2021 Andri Yngvason
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#pragma once
#include "sys/queue.h"
#include "config.h"
#include <unistd.h>
#include <stdbool.h>
#include <stdint.h>
#include <pixman.h>
#include <sys/types.h>
#include <stdatomic.h>
struct wl_buffer;
struct gbm_bo;
struct gbm_device;
struct nvnc_fb;
enum wv_buffer_type {
WV_BUFFER_UNSPEC = 0,
WV_BUFFER_SHM,
#ifdef ENABLE_SCREENCOPY_DMABUF
WV_BUFFER_DMABUF,
#endif
};
enum wv_buffer_domain {
WV_BUFFER_DOMAIN_UNSPEC = 0,
WV_BUFFER_DOMAIN_OUTPUT,
WV_BUFFER_DOMAIN_CURSOR,
};
#ifdef ENABLE_SCREENCOPY_DMABUF
struct wv_gbm_device {
atomic_int ref;
struct gbm_device* dev;
int fd;
};
#endif
struct wv_buffer {
enum wv_buffer_type type;
TAILQ_ENTRY(wv_buffer) link;
LIST_ENTRY(wv_buffer) registry_link;
struct nvnc_fb* nvnc_fb;
struct wl_buffer* wl_buffer;
void* pixels;
size_t size;
int width, height, stride;
uint32_t format;
bool y_inverted;
enum wv_buffer_domain domain;
struct pixman_region16 frame_damage;
struct pixman_region16 buffer_damage;
#ifdef ENABLE_SCREENCOPY_DMABUF
/* The following is only applicable to DMABUF */
struct gbm_bo* bo;
dev_t node;
int n_modifiers;
uint64_t* modifiers;
struct wv_gbm_device* gbm;
#endif
/* The following is only applicable to cursors */
uint16_t cursor_width;
uint16_t cursor_height;
uint16_t x_hotspot;
uint16_t y_hotspot;
};
TAILQ_HEAD(wv_buffer_queue, wv_buffer);
struct wv_buffer_config {
enum wv_buffer_type type;
int width, height, stride;
uint32_t format;
/* The following is only applicable to DMABUF */
dev_t node;
int n_modifiers;
uint64_t* modifiers;
};
struct wv_buffer_pool {
struct wv_buffer_queue queue;
struct wv_buffer_config config;
#ifdef ENABLE_SCREENCOPY_DMABUF
struct wv_gbm_device* gbm;
#endif
};
enum wv_buffer_type wv_buffer_get_available_types(void);
void wv_buffer_damage_rect(struct wv_buffer* self, int x, int y, int width,
int height);
void wv_buffer_damage_whole(struct wv_buffer* self);
void wv_buffer_damage_clear(struct wv_buffer* self);
struct wv_buffer_pool* wv_buffer_pool_create(
const struct wv_buffer_config* config);
void wv_buffer_pool_destroy(struct wv_buffer_pool* pool);
bool wv_buffer_pool_reconfig(struct wv_buffer_pool* pool,
const struct wv_buffer_config* config);
struct wv_buffer* wv_buffer_pool_acquire(struct wv_buffer_pool* pool);
void wv_buffer_pool_release(struct wv_buffer_pool* pool,
struct wv_buffer* buffer);
void wv_buffer_registry_damage_all(struct pixman_region16* region,
enum wv_buffer_domain domain);
|
