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
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
#include "wayland-drm.h"
#include <wayland-server.h>
#include "wayland-drm-server-protocol.h"
#include "vigs.h"
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
struct wl_drm
{
struct wl_display *display;
char *device_name;
struct wayland_drm_callbacks *callbacks;
void *user_data;
};
struct wl_drm_buffer
{
struct wl_resource resource;
struct wl_drm *drm;
struct vigs_drm_surface *drm_sfc;
};
static void buffer_destroy(struct wl_resource *resource)
{
struct wl_drm_buffer *buffer = resource->data;
vigs_drm_gem_unref(&buffer->drm_sfc->gem);
free(buffer);
}
static void drm_buffer_destroy(struct wl_client *client,
struct wl_resource *resource)
{
wl_resource_destroy(resource);
}
static struct wl_buffer_interface drm_buffer_interface =
{
drm_buffer_destroy
};
static void drm_create_buffer(struct wl_client *client,
struct wl_resource *resource,
uint32_t id, uint32_t name,
int32_t width, int32_t height,
uint32_t stride, uint32_t format)
{
struct wl_drm *drm = resource->data;
struct wl_drm_buffer *buffer;
switch (format) {
case WL_DRM_FORMAT_ARGB8888:
case WL_DRM_FORMAT_XRGB8888:
break;
default:
wl_resource_post_error(resource,
WL_DRM_ERROR_INVALID_FORMAT,
"invalid format");
return;
}
buffer = malloc(sizeof(*buffer));
if (!buffer) {
wl_resource_post_no_memory(resource);
return;
}
memset(buffer, 0, sizeof(*buffer));
buffer->drm_sfc = drm->callbacks->acquire_buffer(drm->user_data, name);
if (!buffer->drm_sfc) {
wl_resource_post_error(resource,
WL_DRM_ERROR_INVALID_NAME,
"invalid name");
free(buffer);
return;
}
buffer->drm = drm;
buffer->resource.object.id = id;
buffer->resource.object.interface = &wl_buffer_interface;
buffer->resource.object.implementation = (void(**)(void))&drm_buffer_interface;
buffer->resource.data = buffer;
buffer->resource.destroy = buffer_destroy;
buffer->resource.client = resource->client;
wl_client_add_resource(resource->client, &buffer->resource);
}
static void drm_create_planar_buffer(struct wl_client *client,
struct wl_resource *resource,
uint32_t id, uint32_t name,
int32_t width, int32_t height,
uint32_t format,
int32_t offset0, int32_t stride0,
int32_t offset1, int32_t stride1,
int32_t offset2, int32_t stride2)
{
wl_resource_post_error(resource,
WL_DRM_ERROR_INVALID_FORMAT,
"invalid format");
}
static void drm_authenticate(struct wl_client *client,
struct wl_resource *resource,
uint32_t id)
{
struct wl_drm *drm = resource->data;
if (drm->callbacks->authenticate(drm->user_data, id) < 0) {
wl_resource_post_error(resource,
WL_DRM_ERROR_AUTHENTICATE_FAIL,
"authenicate failed");
} else {
wl_drm_send_authenticated(resource);
}
}
static struct wl_drm_interface drm_interface =
{
drm_authenticate,
drm_create_buffer,
drm_create_planar_buffer
};
static void bind_drm(struct wl_client *client,
void *data,
uint32_t version,
uint32_t id)
{
struct wl_drm *drm = data;
struct wl_resource *resource;
resource = wl_resource_create(client,
&wl_drm_interface,
1,
id);
if (!resource) {
wl_client_post_no_memory(client);
return;
}
wl_resource_set_implementation(resource, &drm_interface, data, NULL);
wl_drm_send_device(resource, drm->device_name);
wl_drm_send_format(resource, WL_DRM_FORMAT_ARGB8888);
wl_drm_send_format(resource, WL_DRM_FORMAT_XRGB8888);
}
struct wl_drm *wayland_drm_create(struct wl_display *display,
char *device_name,
struct wayland_drm_callbacks *callbacks,
void *user_data)
{
struct wl_drm *drm;
drm = malloc(sizeof(*drm));
if (!drm) {
fprintf(stderr, "wayland-drm: Critical error! Unable to allocate wl_drm!\n");
exit(1);
return NULL;
}
memset(drm, 0, sizeof(*drm));
drm->display = display;
drm->device_name = strdup(device_name);
drm->callbacks = callbacks;
drm->user_data = user_data;
wl_global_create(display, &wl_drm_interface, 1, drm, bind_drm);
return drm;
}
void wayland_drm_destroy(struct wl_drm *drm)
{
free(drm->device_name);
free(drm);
}
struct wl_drm_buffer *wayland_drm_get_buffer(struct wl_resource *resource)
{
if (!resource) {
return NULL;
}
if (wl_resource_instance_of(resource,
&wl_buffer_interface,
&drm_buffer_interface)) {
return wl_resource_get_user_data(resource);
} else {
return NULL;
}
}
struct vigs_drm_surface *wayland_drm_buffer_get_sfc(struct wl_drm_buffer *buffer)
{
return buffer->drm_sfc;
}
|
