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
157
158
159
160
161
162
163
164
165
166
167
168
|
#ifndef BACKEND_DRM_DRM_H
#define BACKEND_DRM_DRM_H
#include <gbm.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <time.h>
#include <wayland-server-core.h>
#include <wayland-util.h>
#include <wlr/backend/drm.h>
#include <wlr/backend/session.h>
#include <wlr/render/drm_format_set.h>
#include <xf86drmMode.h>
#include "backend/drm/iface.h"
#include "backend/drm/properties.h"
#include "backend/drm/renderer.h"
struct wlr_drm_plane {
uint32_t type;
uint32_t id;
/* Local if this isn't a multi-GPU setup, on the parent otherwise. */
struct wlr_drm_surface surf;
/* Local, only initialized on multi-GPU setups. */
struct wlr_drm_surface mgpu_surf;
/* Buffer to be submitted to the kernel on the next page-flip */
struct wlr_drm_fb *pending_fb;
/* Buffer submitted to the kernel, will be presented on next vblank */
struct wlr_drm_fb *queued_fb;
/* Buffer currently displayed on screen */
struct wlr_drm_fb *current_fb;
struct wlr_drm_format_set formats;
// Only used by cursor
bool cursor_enabled;
int32_t cursor_hotspot_x, cursor_hotspot_y;
union wlr_drm_plane_props props;
};
struct wlr_drm_crtc_state {
bool active;
struct wlr_drm_mode *mode;
};
struct wlr_drm_crtc {
uint32_t id;
bool pending_modeset;
struct wlr_drm_crtc_state pending, current;
// Atomic modesetting only
uint32_t mode_id;
uint32_t gamma_lut;
// Legacy only
drmModeCrtc *legacy_crtc;
struct wlr_drm_plane *primary;
struct wlr_drm_plane *cursor;
union wlr_drm_crtc_props props;
};
struct wlr_drm_backend {
struct wlr_backend backend;
struct wlr_drm_backend *parent;
const struct wlr_drm_interface *iface;
clockid_t clock;
bool addfb2_modifiers;
int fd;
char *name;
struct wlr_device *dev;
size_t num_crtcs;
struct wlr_drm_crtc *crtcs;
struct wl_display *display;
struct wl_event_source *drm_event;
struct wl_listener display_destroy;
struct wl_listener session_destroy;
struct wl_listener session_active;
struct wl_listener parent_destroy;
struct wl_listener dev_change;
struct wl_listener dev_remove;
struct wl_list fbs; // wlr_drm_fb.link
struct wl_list outputs;
struct wlr_drm_renderer renderer;
struct wlr_session *session;
};
enum wlr_drm_connector_state {
// Connector is available but no output is plugged in
WLR_DRM_CONN_DISCONNECTED,
// An output just has been plugged in and is waiting for a modeset
WLR_DRM_CONN_NEEDS_MODESET,
WLR_DRM_CONN_CLEANUP,
WLR_DRM_CONN_CONNECTED,
};
struct wlr_drm_mode {
struct wlr_output_mode wlr_mode;
drmModeModeInfo drm_mode;
};
struct wlr_drm_connector {
struct wlr_output output; // only valid if state != DISCONNECTED
struct wlr_drm_backend *backend;
char name[24];
enum wlr_drm_connector_state state;
struct wlr_output_mode *desired_mode;
bool desired_enabled;
uint32_t id;
struct wlr_drm_crtc *crtc;
uint32_t possible_crtcs;
union wlr_drm_connector_props props;
int32_t cursor_x, cursor_y;
drmModeCrtc *old_crtc;
struct wl_list link;
/* CRTC ID if a page-flip is pending, zero otherwise.
*
* We've asked for a state change in the kernel, and yet to receive a
* notification for its completion. Currently, the kernel only has a
* queue length of 1, and no way to modify your submissions after
* they're sent.
*/
uint32_t pending_page_flip_crtc;
};
struct wlr_drm_backend *get_drm_backend_from_backend(
struct wlr_backend *wlr_backend);
bool check_drm_features(struct wlr_drm_backend *drm);
bool init_drm_resources(struct wlr_drm_backend *drm);
void finish_drm_resources(struct wlr_drm_backend *drm);
void restore_drm_outputs(struct wlr_drm_backend *drm);
void scan_drm_connectors(struct wlr_drm_backend *state);
int handle_drm_event(int fd, uint32_t mask, void *data);
void destroy_drm_connector(struct wlr_drm_connector *conn);
bool drm_connector_set_mode(struct wlr_drm_connector *conn,
struct wlr_output_mode *mode);
bool drm_connector_is_cursor_visible(struct wlr_drm_connector *conn);
bool drm_connector_supports_vrr(struct wlr_drm_connector *conn);
size_t drm_crtc_get_gamma_lut_size(struct wlr_drm_backend *drm,
struct wlr_drm_crtc *crtc);
struct wlr_drm_fb *plane_get_next_fb(struct wlr_drm_plane *plane);
#define wlr_drm_conn_log(conn, verb, fmt, ...) \
wlr_log(verb, "connector %s: " fmt, conn->name, ##__VA_ARGS__)
#define wlr_drm_conn_log_errno(conn, verb, fmt, ...) \
wlr_log_errno(verb, "connector %s: " fmt, conn->name, ##__VA_ARGS__)
#endif
|
